First Commit

2025-11-18 14:18:26 -07:00
parent 33eb6e3707
commit 27277ec342
6106 changed files with 3571167 additions and 0 deletions
--- a/3rdparty/kddockwidgets/tests/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/CMakeLists.txt
@@ -0,0 +1,168 @@
+# This file is part of KDDockWidgets.
+#
+# SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+# Author: Sergio Martins <sergio.martins@kdab.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+#
+# Contact KDAB at <info@kdab.com> for commercial licensing options.
+#
+
+if(POLICY CMP0043)
+    cmake_policy(SET CMP0043 NEW)
+endif()
+
+if(KDDW_FRONTEND_QT)
+    find_package(Qt${QT_VERSION_MAJOR}Test ${QT_MIN_VERSION} REQUIRED)
+endif()
+
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../src)
+include_directories(${CMAKE_CURRENT_BINARY_DIR})
+
+include_directories(..)
+include_directories(../src)
+include_directories(../src/private)
+add_definitions(-DQT_NO_KEYWORDS)
+
+set(TESTING_RESOURCES ${CMAKE_CURRENT_SOURCE_DIR}/test_resources.qrc)
+set(TESTING_SRCS utils.cpp)
+if(KDDockWidgets_HAS_SPDLOG)
+    set(TESTING_SRCS ${TESTING_SRCS} fatal_logger.cpp)
+endif()
+
+find_package(nlohmann_json QUIET)
+find_package(kdbindings QUIET)
+
+# Function to link to nlohmann
+function(kddw_add_nlohmann test)
+    if(nlohmann_json_FOUND)
+        target_link_libraries(${test} PRIVATE nlohmann_json::nlohmann_json)
+    else()
+        target_include_directories(${test} SYSTEM PRIVATE ${CMAKE_SOURCE_DIR}/src/3rdparty/nlohmann)
+    endif()
+endfunction()
+
+# Equivalent to CMake's add_test but can enable valgrind
+function(_add_test test)
+    if(KDDockWidgets_USE_VALGRIND)
+        add_test(NAME ${test} COMMAND valgrind --leak-check=no --error-exitcode=1 ${CMAKE_BINARY_DIR}/bin/${test})
+    else()
+        add_test(NAME ${test} COMMAND ${test})
+    endif()
+endfunction()
+
+# tst_qtwidgets
+if(KDDW_FRONTEND_QTWIDGETS)
+    set(CMAKE_AUTOUIC ON)
+    add_executable(
+        tst_qtwidgets qtwidgets/tst_qtwidgets.cpp qtwidgets/mainwindow.ui ${TESTING_SRCS} ${TESTING_RESOURCES}
+    )
+    target_link_libraries(tst_qtwidgets PRIVATE kddockwidgets Qt${QT_VERSION_MAJOR}::Test)
+    kddw_link_to_kdbindings(tst_qtwidgets)
+
+    if(KDDockWidgets_HAS_SPDLOG)
+        target_link_libraries(tst_qtwidgets PRIVATE spdlog::spdlog)
+    endif()
+    kddw_add_nlohmann(tst_qtwidgets)
+    set_compiler_flags(tst_qtwidgets)
+    _add_test(tst_qtwidgets)
+    add_subdirectory(manual/qtwidgets_leaks)
+    add_subdirectory(manual/qdockwidget)
+endif()
+
+# tst_qtquick
+if(KDDW_FRONTEND_QTQUICK)
+    add_executable(tst_qtquick qtquick/tst_qtquick.cpp ${TESTING_SRCS} ${TESTING_RESOURCES})
+    target_link_libraries(tst_qtquick PRIVATE kddockwidgets Qt${QT_VERSION_MAJOR}::Test)
+    kddw_link_to_kdbindings(tst_qtquick)
+    if(KDDockWidgets_HAS_SPDLOG)
+        target_link_libraries(tst_qtquick PRIVATE spdlog::spdlog)
+    endif()
+    kddw_add_nlohmann(tst_qtquick)
+    set_compiler_flags(tst_qtquick)
+    _add_test(tst_qtquick)
+endif()
+
+#-----------------------------------------------------------------------------
+# Add our tests:
+
+if(KDDW_FRONTEND_QT)
+    # Function to add a test
+    function(add_kddw_test test srcs)
+        add_executable(${test} ${srcs} ${TESTING_RESOURCES} ${TESTING_SRCS})
+        target_link_libraries(${test} PRIVATE kddockwidgets)
+        kddw_link_to_kdbindings(${test})
+        target_include_directories(${test} PRIVATE ${CMAKE_BINARY_DIR})
+        if(KDDockWidgets_HAS_SPDLOG)
+            target_link_libraries(${test} PRIVATE spdlog::spdlog)
+        endif()
+
+        kddw_add_nlohmann(${test})
+        set_compiler_flags(${test})
+        _add_test(${test})
+        target_compile_definitions(${test} PRIVATE KDDW_SRC_DIR="${CMAKE_SOURCE_DIR}")
+        if(KDDockWidgets_HAS_SPDLOG)
+            target_compile_definitions(${test} PRIVATE KDDW_HAS_SPDLOG)
+        endif()
+    endfunction()
+
+    add_kddw_test(tst_docks tst_docks.cpp)
+
+    add_kddw_test(tst_docks_slow1 tst_docks_slow1.cpp)
+    add_kddw_test(tst_docks_slow2 tst_docks_slow2.cpp)
+    add_kddw_test(tst_docks_slow3 tst_docks_slow3.cpp)
+    add_kddw_test(tst_docks_slow4 tst_docks_slow4.cpp)
+    add_kddw_test(tst_docks_slow5 tst_docks_slow5.cpp)
+    add_kddw_test(tst_docks_slow6 tst_docks_slow6.cpp)
+    add_kddw_test(tst_docks_slow7 tst_docks_slow7.cpp)
+
+    add_kddw_test(tst_multisplitter tst_multisplitter.cpp)
+    add_kddw_test(tst_viewguard tst_viewguard.cpp)
+    add_kddw_test(tst_view tst_view.cpp)
+    add_kddw_test(tst_window tst_window.cpp)
+    add_kddw_test(tst_droparea core/tst_droparea.cpp)
+    add_kddw_test(tst_platform tst_platform.cpp)
+    add_kddw_test(tst_group core/tst_group.cpp)
+    add_kddw_test(tst_titlebar core/tst_titlebar.cpp)
+    add_kddw_test(tst_stack core/tst_stack.cpp)
+    add_kddw_test(tst_tabbar core/tst_tabbar.cpp)
+    add_kddw_test(tst_separator core/tst_separator.cpp)
+    add_kddw_test(tst_floatingwindow core/tst_floatingwindow.cpp)
+    add_kddw_test(tst_dockwidget core/tst_dockwidget.cpp)
+
+    add_kddw_test(tst_docks_slow8 tst_docks_slow8.cpp)
+    add_kddw_test(tst_native_qpa tst_native_qpa.cpp)
+
+    # Check if includes are installed
+    add_subdirectory(includes_test)
+
+    if(KDDockWidgets_WAYLAND_TESTS)
+        add_subdirectory(wayland)
+    endif()
+
+endif()
+
+if(KDDW_FRONTEND_FLUTTER)
+    if(UNIX AND NOT APPLE)
+        set(FLUTTER_DEVICE linux)
+        set(TEST_RUNNER "xvfb-run")
+    elseif(WIN32)
+        set(FLUTTER_DEVICE windows)
+    elseif(APPLE)
+        set(FLUTTER_DEVICE macos)
+    endif()
+
+    add_test(
+        NAME tst_flutter_unittests
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/src/flutter/dart/
+        COMMAND flutter test
+    )
+
+    add_test(
+        NAME tst_flutter_integrationtests
+        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}/tests/flutter/
+        COMMAND ${TEST_RUNNER} flutter test integration_test -d ${FLUTTER_DEVICE}
+    )
+endif()
+
+#-----------------------------------------------------------------------------
--- a/3rdparty/kddockwidgets/tests/MyRectangle.qml
+++ b/3rdparty/kddockwidgets/tests/MyRectangle.qml
@@ -0,0 +1,21 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+import QtQuick 2.9
+
+Rectangle {
+    color: "green"
+    anchors.fill: parent
+    readonly property int someValue: _ctxProperty
+    Text {
+      text: someValue
+    }
+}
--- a/3rdparty/kddockwidgets/tests/MyRectangle2.qml
+++ b/3rdparty/kddockwidgets/tests/MyRectangle2.qml
@@ -0,0 +1,20 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+import QtQuick 2.9
+
+Rectangle {
+    color: "green"
+    anchors.fill: parent
+    Text {
+      text: "text"
+    }
+}
--- a/3rdparty/kddockwidgets/tests/anonymize_layout.dart
+++ b/3rdparty/kddockwidgets/tests/anonymize_layout.dart
@@ -0,0 +1,60 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+/// A script to anonymize KDDW layouts
+/// Renames dock widget names to generic names
+/// To be used for KDDW's development only.
+
+import 'dart:convert';
+import 'dart:io';
+
+List<String> dockNames(String filename) {
+  final contents = File(filename).readAsStringSync();
+  final json = jsonDecode(contents);
+  List<String> names = [];
+  for (var dw in json["allDockWidgets"]) names.add(dw["uniqueName"]);
+  return names;
+}
+
+main(List<String> args) {
+  if (args.length != 1) {
+    print("Expected layout filename");
+    return;
+  }
+
+  /// Sort them so we process longer names first
+  var dockWidgetNames = dockNames(args.first);
+  dockWidgetNames.sort((a, b) {
+    if (a == b) return 0;
+    if (a.length == b.length) return a.compareTo(b);
+    if (a.length > b.length) return -1;
+    return 1;
+  });
+
+  var contents = File(args.first).readAsStringSync();
+
+  int i = 0;
+  for (var name in dockWidgetNames) {
+    if (name.startsWith("dockwidget_tests_")) {
+      print("This file is already anonymized ? Has $name. Aborting.");
+      return;
+    }
+
+    /// Skip internals
+    if (["-persistentCentralDockWidget", "_kddw_internal_dummy", "_kddw_internal_dummy2"].contains(name))
+      continue;
+
+    contents = contents.replaceAll(name, "dockwidget_tests_$i");
+    i++;
+  }
+
+  print(contents);
+}
--- a/3rdparty/kddockwidgets/tests/clang_format18_workaround.h
+++ b/3rdparty/kddockwidgets/tests/clang_format18_workaround.h
@@ -0,0 +1,35 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2024 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#pragma once
+
+#include "core/Platform.h"
+
+/// These macros are workaround for clang-format-18 bug:
+///    -    KDDW_CO_AWAIT Platform::instance()->tests_wait(1);
+///    +    KDDW_CO_AWAIT Platform::instance() -> tests_wait(1);
+/// This is avoided when wrapped in a macro.
+
+#define EVENT_LOOP(millis) \
+    KDDW_CO_AWAIT          \
+    KDDockWidgets::Core::Platform::instance()->tests_wait(millis)
+
+#define WAIT_FOR_RESIZE(window) \
+    KDDW_CO_AWAIT               \
+    KDDockWidgets::Core::Platform::instance()->tests_waitForResize(window)
+
+#define WAIT_FOR_DELETED(window) \
+    KDDW_CO_AWAIT                \
+    KDDockWidgets::Core::Platform::instance()->tests_waitForDeleted(window)
+
+#define WAIT_FOR_EVENT(window, event) \
+    KDDW_CO_AWAIT                     \
+    KDDockWidgets::Core::Platform::instance()->tests_waitForEvent(window, event)
--- a/3rdparty/kddockwidgets/tests/core/tst_dockwidget.cpp
+++ b/3rdparty/kddockwidgets/tests/core/tst_dockwidget.cpp
@@ -0,0 +1,221 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "../simple_test_framework.h"
+#include "../utils.h"
+#include "core/DockWidget.h"
+#include "core/FloatingWindow.h"
+#include "core/DockWidget_p.h"
+#include "core/Group.h"
+#include "core/Platform.h"
+#include "core/TitleBar.h"
+#include "core/ViewFactory.h"
+#include "core/Window_p.h"
+#include "Config.h"
+
+using namespace KDDockWidgets;
+using namespace KDDockWidgets::Core;
+
+KDDW_QCORO_TASK tst_dockWidgetCtor()
+{
+    Tests::EnsureTopLevelsDeleted e;
+
+    auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+    CHECK(dw->view()->is(ViewType::DockWidget));
+    CHECK(dw->view()->asWrapper()->is(ViewType::DockWidget));
+    dw->view()->show();
+
+    delete dw;
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_setGuestView()
+{
+    Tests::EnsureTopLevelsDeleted e;
+
+    auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+    CHECK(Platform::instance());
+    auto childView = Platform::instance()->tests_createView({ true });
+    CHECK(childView);
+    auto guest = childView->asWrapper();
+    CHECK(guest);
+    dw->setGuestView(guest);
+    CHECK(dw->guestView());
+    CHECK(dw->view());
+    dw->view()->show();
+    EVENT_LOOP(500);
+
+    CHECK(guest->controller());
+    CHECK(dw->floatingWindow());
+    CHECK(dw->floatingWindow()->isVisible());
+    CHECK(dw->isVisible());
+    CHECK(guest->isVisible());
+    CHECK(guest->controller()->isVisible());
+    CHECK(dw->guestView()->equals(guest));
+    CHECK(dw->view()->window());
+    CHECK(guest->window());
+
+    CHECK(guest->parentView());
+    CHECK(guest->parentView()->equals(dw->view()));
+    CHECK(dw->view()->rootView()->equals(guest->rootView()));
+    CHECK(dw->view()->window()->equals(guest->window()));
+
+    delete dw;
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_toggleAction()
+{
+    Tests::EnsureTopLevelsDeleted e;
+
+    auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+
+    CHECK(!dw->toggleAction()->isChecked());
+    CHECK(dw->toggleAction()->isEnabled());
+
+    delete dw;
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_isOpen()
+{
+    Tests::EnsureTopLevelsDeleted e;
+
+    auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+
+    // Starts closed
+    CHECK(!dw->isOpen());
+
+    dw->open();
+    CHECK(dw->isOpen());
+    CHECK(dw->isFloating());
+
+    // close() closes
+    dw->close();
+    CHECK(!dw->isOpen());
+
+    // Dockwidget in a non-current tab is not visible, but still counts as open
+    dw->open();
+    CHECK(dw->d->group());
+    CHECK(dw->isOpen());
+    CHECK(dw->isFloating());
+    auto dw2 = Config::self().viewFactory()->createDockWidget("dw2")->asDockWidgetController();
+    CHECK(dw->isCurrentTab());
+    dw->addDockWidgetAsTab(dw2);
+    CHECK(dw2->isOpen());
+    dw2->setAsCurrentTab();
+    CHECK(!dw->isCurrentTab());
+    CHECK(dw2->isCurrentTab());
+    CHECK(dw->isOpen());
+    CHECK(dw2->isOpen());
+
+    delete dw;
+    delete dw2;
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_setAsCurrentTab()
+{
+    Tests::EnsureTopLevelsDeleted e;
+
+    auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+    auto dw2 = Config::self().viewFactory()->createDockWidget("dw2")->asDockWidgetController();
+    auto dw3 = Config::self().viewFactory()->createDockWidget("dw3")->asDockWidgetController();
+
+    CHECK(dw->view());
+    dw->view()->show();
+    CHECK(dw->d->group());
+    CHECK(dw->isOpen());
+
+    dw->addDockWidgetAsTab(dw2);
+    dw->addDockWidgetAsTab(dw3);
+    dw->setAsCurrentTab();
+
+    CHECK(dw->isCurrentTab());
+    CHECK(!dw2->isCurrentTab());
+    CHECK(!dw3->isCurrentTab());
+
+    Core::Group *group = dw->d->group();
+    CHECK_EQ(group->currentIndex(), 0);
+    CHECK_EQ(group->currentDockWidget(), dw);
+
+    delete dw;
+    delete dw2;
+    delete dw3;
+
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_dwCloseAndReopen()
+{
+    {
+        Tests::EnsureTopLevelsDeleted e;
+
+        // Tests that a floating window is deleted after being closed
+
+        auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+        dw->view()->show();
+        ObjectGuard<Core::FloatingWindow> fw = dw->floatingWindow();
+        CHECK(fw);
+
+        auto titleBar = fw->titleBar();
+        CHECK(titleBar);
+        CHECK(titleBar->isVisible());
+        titleBar->onCloseClicked();
+        CHECK(!dw->isOpen());
+        CHECK(KDDW_CO_AWAIT Platform::instance()->tests_waitForDeleted(fw));
+        CHECK(!fw);
+
+        CHECK(!dw->floatingWindow());
+        CHECK(!dw->view()->parentView());
+        dw->open();
+
+        delete dw;
+    }
+
+    // 1 event loop for DelayedDelete. Avoids LSAN warnings.
+    EVENT_LOOP(1);
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_setSize()
+{
+    {
+        Tests::EnsureTopLevelsDeleted e;
+        auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+        const Size size = Size(501, 502);
+        dw->view()->setSize(size);
+        CHECK_EQ(dw->view()->size(), size);
+    }
+
+    // 1 event loop for DelayedDelete. Avoids LSAN warnings.
+    EVENT_LOOP(1);
+
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> {
+    TEST(tst_dockWidgetCtor),
+    TEST(tst_toggleAction),
+    TEST(tst_setGuestView),
+    TEST(tst_isOpen),
+    TEST(tst_setAsCurrentTab),
+    TEST(tst_dwCloseAndReopen),
+    TEST(tst_setSize),
+};
+
+#include "../tests_main.h"
--- a/3rdparty/kddockwidgets/tests/core/tst_droparea.cpp
+++ b/3rdparty/kddockwidgets/tests/core/tst_droparea.cpp
@@ -0,0 +1,69 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "../simple_test_framework.h"
+#include "core/DropArea.h"
+#include "core/Group.h"
+#include "Config.h"
+#include "core/DockWidget.h"
+#include "core/ViewFactory.h"
+#include "core/Platform.h"
+#include "tests/utils.h"
+#include "../clang_format18_workaround.h"
+
+using namespace KDDockWidgets;
+
+KDDW_QCORO_TASK tst_dropAreaCtor()
+{
+    // Tests that ctor runs and doesn't leak
+    Core::DropArea da(nullptr, {});
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_addWidget()
+{
+    auto group = new Core::Group();
+    Core::DropArea da(nullptr, {});
+    da.addWidget(group->view(), KDDockWidgets::Location_OnLeft);
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_addWidgetHidden()
+{
+    // Test adding a widget that starts hidden
+
+    auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+    Core::DropArea da(nullptr, {});
+    da.addDockWidget(dw, KDDockWidgets::Location_OnLeft, nullptr,
+                     InitialVisibilityOption::StartHidden);
+
+    CHECK(!dw->isOpen());
+    CHECK(!dw->toggleAction()->isChecked());
+    dw->open();
+    CHECK(dw->isOpen());
+    CHECK(dw->toggleAction()->isChecked());
+
+    auto group = dw->dptr()->group();
+    delete dw;
+    WAIT_FOR_DELETED(group);
+
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> {
+    TEST(tst_dropAreaCtor),
+    TEST(tst_addWidget),
+    TEST(tst_addWidgetHidden)
+};
+
+#include "../tests_main.h"
--- a/3rdparty/kddockwidgets/tests/core/tst_floatingwindow.cpp
+++ b/3rdparty/kddockwidgets/tests/core/tst_floatingwindow.cpp
@@ -0,0 +1,86 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "../simple_test_framework.h"
+#include "core/FloatingWindow.h"
+#include "core/Group.h"
+#include "core/TitleBar.h"
+#include "core/DockWidget.h"
+#include "core/ViewFactory.h"
+#include "core/Platform.h"
+#include "core/ObjectGuard_p.h"
+#include "Config.h"
+#include "tests/utils.h"
+
+using namespace KDDockWidgets;
+using namespace KDDockWidgets::Core;
+
+KDDW_QCORO_TASK tst_floatingWindowCtor()
+{
+    Tests::EnsureTopLevelsDeleted ensure;
+
+    auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+    CHECK(dw->view()->rootView()->is(ViewType::DockWidget));
+    CHECK(!dw->view()->parentView());
+
+    dw->view()->show();
+    CHECK(dw->view()->parentView());
+    CHECK(dw->view()->rootView()->is(ViewType::FloatingWindow));
+
+    CHECK(dw->floatingWindow());
+
+    /// Wait for FloatingWindow to be created
+    EVENT_LOOP(100);
+
+    auto rootView = dw->view()->rootView();
+    CHECK(rootView);
+
+    CHECK(rootView->is(ViewType::FloatingWindow));
+    CHECK(rootView->controller());
+    CHECK(rootView->controller()->is(ViewType::FloatingWindow));
+    CHECK(rootView->controller()->isVisible());
+
+    Core::FloatingWindow *fw = dw->floatingWindow();
+    CHECK(fw);
+    CHECK(fw->view()->equals(rootView));
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_floatingWindowClose()
+{
+    // Tests that a floating window is deleted after being closed
+
+    auto dw = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+    dw->view()->show();
+    ObjectGuard<Core::FloatingWindow> fw = dw->floatingWindow();
+    CHECK(fw);
+
+    auto titleBar = fw->titleBar();
+    CHECK(titleBar);
+    CHECK(titleBar->isVisible());
+    CHECK_EQ(fw->groups().length(), 1);
+    CHECK(!fw->groups().first()->titleBar()->isVisible());
+    titleBar->onCloseClicked();
+    CHECK(!dw->isOpen());
+    CHECK(KDDW_CO_AWAIT Platform::instance()->tests_waitForDeleted(fw));
+    CHECK(!fw);
+
+    delete dw;
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> {
+    TEST(tst_floatingWindowClose),
+    TEST(tst_floatingWindowCtor)
+};
+
+#include "../tests_main.h"
--- a/3rdparty/kddockwidgets/tests/core/tst_group.cpp
+++ b/3rdparty/kddockwidgets/tests/core/tst_group.cpp
@@ -0,0 +1,41 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "../simple_test_framework.h"
+#include "core/Group.h"
+#include "core/Platform.h"
+#include "kddockwidgets/Config.h"
+
+using namespace KDDockWidgets;
+
+KDDW_QCORO_TASK tst_groupCtor()
+{
+    auto group = new Core::Group(nullptr, {});
+    CHECK(group->view()->is(Core::ViewType::Group));
+    CHECK(group->view()->asWrapper()->is(Core::ViewType::Group));
+    delete group;
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_dragRect()
+{
+    auto group = new Core::Group(nullptr, {});
+    // This used to crash. Test that it doesn't.
+    group->dragRect();
+    delete group;
+
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> { TEST(tst_groupCtor), TEST(tst_dragRect) };
+
+#include "../tests_main.h"
--- a/3rdparty/kddockwidgets/tests/core/tst_separator.cpp
+++ b/3rdparty/kddockwidgets/tests/core/tst_separator.cpp
@@ -0,0 +1,31 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "../simple_test_framework.h"
+#include "core/Separator.h"
+#include "core/Platform.h"
+#include "core/DropArea.h"
+
+using namespace KDDockWidgets;
+
+KDDW_QCORO_TASK tst_separatorCtor()
+{
+    Core::DropArea dropArea(nullptr, MainWindowOption_None);
+    Core::Separator separator(dropArea.asLayoutingHost(), Qt::Vertical, nullptr);
+    CHECK(separator.view()->is(Core::ViewType::Separator));
+    CHECK(separator.view()->asWrapper()->is(Core::ViewType::Separator));
+
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> { TEST(tst_separatorCtor) };
+
+#include "../tests_main.h"
--- a/3rdparty/kddockwidgets/tests/core/tst_stack.cpp
+++ b/3rdparty/kddockwidgets/tests/core/tst_stack.cpp
@@ -0,0 +1,32 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "../simple_test_framework.h"
+#include "core/Platform.h"
+#include "core/Group.h"
+#include "core/Stack.h"
+
+
+using namespace KDDockWidgets;
+
+KDDW_QCORO_TASK tst_stackCtor()
+{
+    Core::Group group(nullptr, {});
+    Core::Stack stack(&group, {});
+    CHECK(stack.view()->is(Core::ViewType::Stack));
+    CHECK(stack.view()->asWrapper()->is(Core::ViewType::Stack));
+
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> { TEST(tst_stackCtor) };
+
+#include "../tests_main.h"
--- a/3rdparty/kddockwidgets/tests/core/tst_tabbar.cpp
+++ b/3rdparty/kddockwidgets/tests/core/tst_tabbar.cpp
@@ -0,0 +1,222 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "../simple_test_framework.h"
+#include "core/Group.h"
+#include "core/Stack.h"
+#include "core/TabBar.h"
+#include "core/Platform.h"
+#include "kddockwidgets/Config.h"
+#include "core/ViewFactory.h"
+
+#include "../clang_format18_workaround.h"
+
+using namespace KDDockWidgets;
+using namespace KDDockWidgets::Core;
+
+KDDW_QCORO_TASK tst_tabBarCtor()
+{
+    Core::Group group(nullptr, {});
+    Core::Stack stack(&group, {});
+    Core::TabBar tabBar(&stack);
+    CHECK(tabBar.view()->is(ViewType::TabBar));
+    CHECK(tabBar.view()->asWrapper()->is(ViewType::TabBar));
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_tabBarIndexes()
+{
+    Core::Group group(nullptr, {});
+    Core::TabBar *tabBar = group.tabBar();
+
+    // Starts empty:
+    CHECK_EQ(tabBar->numDockWidgets(), 0);
+    CHECK_EQ(tabBar->currentIndex(), -1);
+    CHECK_EQ(tabBar->currentDockWidget(), nullptr);
+    CHECK_EQ(tabBar->indexOfDockWidget(nullptr), -1);
+
+    // Add 3: [dw0, dw1, dw2]
+    auto dw0 = Config::self().viewFactory()->createDockWidget("dw0")->asDockWidgetController();
+    auto dw1 = Config::self().viewFactory()->createDockWidget("dw1")->asDockWidgetController();
+    auto dw2 = Config::self().viewFactory()->createDockWidget("dw2")->asDockWidgetController();
+    tabBar->insertDockWidget(0, dw0, {}, {});
+    tabBar->insertDockWidget(1, dw1, {}, {});
+    tabBar->insertDockWidget(2, dw2, {}, {});
+
+    CHECK_EQ(tabBar->indexOfDockWidget(dw0), 0);
+    CHECK_EQ(tabBar->indexOfDockWidget(dw2), 2);
+    CHECK_EQ(tabBar->numDockWidgets(), 3);
+    CHECK_EQ(tabBar->currentIndex(), 0);
+    CHECK_EQ(tabBar->currentDockWidget(), dw0);
+
+    // Prepend: [dw3, dw0, dw1, dw2]
+    // Doesn't change the current dockwidget, but the index did shift
+    auto dw3 = Config::self().viewFactory()->createDockWidget("dw3")->asDockWidgetController();
+    tabBar->insertDockWidget(0, dw3, {}, {});
+    CHECK_EQ(tabBar->numDockWidgets(), 4);
+    CHECK_EQ(tabBar->currentIndex(), 1);
+    CHECK_EQ(tabBar->currentDockWidget(), dw0);
+    CHECK_EQ(tabBar->indexOfDockWidget(dw3), 0);
+    CHECK_EQ(tabBar->indexOfDockWidget(dw0), 1);
+
+    // Set index=2 as current
+    tabBar->setCurrentIndex(2);
+    CHECK_EQ(tabBar->currentIndex(), 2);
+    CHECK_EQ(tabBar->currentDockWidget(), dw1);
+
+    // Append: [dw3, dw0, dw1, dw2, dw4]
+    // Doesn't change the current dock widget
+    auto dw4 = Config::self().viewFactory()->createDockWidget("dw4")->asDockWidgetController();
+    tabBar->insertDockWidget(4, dw4, {}, {});
+    CHECK_EQ(tabBar->numDockWidgets(), 5);
+    CHECK_EQ(tabBar->currentIndex(), 2);
+    CHECK_EQ(tabBar->currentDockWidget(), dw1);
+
+    // Remove the current: [dw3, dw0, dw2, dw4]
+    // Index is maintained, the next dockwidget is current now
+    tabBar->removeDockWidget(dw1);
+    CHECK_EQ(tabBar->indexOfDockWidget(dw2), 2);
+    CHECK_EQ(tabBar->indexOfDockWidget(dw1), -1);
+    CHECK_EQ(tabBar->numDockWidgets(), 4);
+    CHECK_EQ(tabBar->currentIndex(), 2);
+    CHECK_EQ(tabBar->currentDockWidget(), dw2);
+
+    // Set last as current and remove it: [dw3, dw0, dw2]
+    tabBar->setCurrentIndex(3);
+    CHECK_EQ(tabBar->numDockWidgets(), 4);
+    CHECK_EQ(tabBar->currentIndex(), 3);
+    CHECK_EQ(tabBar->currentDockWidget(), dw4);
+    tabBar->removeDockWidget(dw4);
+    CHECK_EQ(tabBar->numDockWidgets(), 3);
+    CHECK_EQ(tabBar->currentIndex(), 2);
+    CHECK_EQ(tabBar->currentDockWidget(), dw2);
+
+    // Remove the 1st, index will shift, but current won't change: [dw0, dw2]
+    tabBar->removeDockWidget(dw3);
+    CHECK_EQ(tabBar->numDockWidgets(), 2);
+    CHECK_EQ(tabBar->currentIndex(), 1);
+    CHECK_EQ(tabBar->currentDockWidget(), dw2);
+
+    // Remove the rest
+    tabBar->removeDockWidget(dw0);
+    tabBar->removeDockWidget(dw2);
+    CHECK_EQ(tabBar->numDockWidgets(), 0);
+    CHECK_EQ(tabBar->currentIndex(), -1);
+    CHECK_EQ(tabBar->currentDockWidget(), nullptr);
+
+    delete dw0;
+    delete dw1;
+    delete dw2;
+    delete dw3;
+    delete dw4;
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_tabBarDWDestroyed()
+{
+    /// Tests if indexes are correct if dock widget destroyed itself
+    Core::Group group(nullptr, {});
+    Core::TabBar *tabBar = group.tabBar();
+
+    // Add 3: [dw0, dw1, dw2]
+    auto dw0 = Config::self().viewFactory()->createDockWidget("dock0")->asDockWidgetController();
+    auto dw1 = Config::self().viewFactory()->createDockWidget("dock1")->asDockWidgetController();
+    auto dw2 = Config::self().viewFactory()->createDockWidget("dock2")->asDockWidgetController();
+    tabBar->insertDockWidget(0, dw0, {}, {});
+    tabBar->insertDockWidget(1, dw1, {}, {});
+    tabBar->insertDockWidget(2, dw2, {}, {});
+
+    CHECK_EQ(tabBar->numDockWidgets(), 3);
+    CHECK_EQ(tabBar->currentIndex(), 0);
+    CHECK_EQ(tabBar->currentDockWidget(), dw0);
+
+    // Delete dw1: [dw0, dw2]
+
+    delete dw1;
+    CHECK_EQ(tabBar->numDockWidgets(), 2);
+    CHECK_EQ(tabBar->currentIndex(), 0);
+    CHECK_EQ(tabBar->currentDockWidget(), dw0);
+
+    // Delete the current
+    delete dw0;
+    CHECK_EQ(tabBar->numDockWidgets(), 1);
+    CHECK_EQ(tabBar->currentIndex(), 0);
+    CHECK_EQ(tabBar->currentDockWidget(), dw2);
+
+    delete dw2;
+    CHECK_EQ(tabBar->numDockWidgets(), 0);
+    CHECK_EQ(tabBar->currentIndex(), -1);
+    CHECK_EQ(tabBar->currentDockWidget(), nullptr);
+
+    KDDW_TEST_RETURN(true);
+}
+
+KDDW_QCORO_TASK tst_tabBarDWClosed()
+{
+    {
+        /// Tests if indexes are correct if dock widget are closed (but not destroyed)
+        /// Tests if indexes are correct if dock widget destroyed itself
+        Core::Group group(nullptr, {});
+        Core::TabBar *tabBar = group.tabBar();
+
+        // Add 3: [dw0, dw1, dw2]
+        auto dw0 = Config::self().viewFactory()->createDockWidget("dock0")->asDockWidgetController();
+        auto dw1 = Config::self().viewFactory()->createDockWidget("dock1")->asDockWidgetController();
+        auto dw2 = Config::self().viewFactory()->createDockWidget("dock2")->asDockWidgetController();
+        tabBar->insertDockWidget(0, dw0, {}, {});
+        tabBar->insertDockWidget(1, dw1, {}, {});
+        tabBar->insertDockWidget(2, dw2, {}, {});
+
+        CHECK_EQ(tabBar->numDockWidgets(), 3);
+        CHECK_EQ(tabBar->currentIndex(), 0);
+        CHECK_EQ(tabBar->currentDockWidget(), dw0);
+
+        if (Platform::instance()->isQtQuick()) {
+            // Workaround for QtQuick, which works fine with adding dock widgets through
+            // DropArea::addDockWidget(). But not when using TabBar isolated.
+            dw0->view()->setParent(group.view());
+            dw1->view()->setParent(group.view());
+            dw2->view()->setParent(group.view());
+        }
+
+        // Close middle one: [dw0, dw2]
+        dw1->close();
+        CHECK_EQ(tabBar->numDockWidgets(), 2);
+        CHECK_EQ(tabBar->currentIndex(), 0);
+        CHECK_EQ(tabBar->currentDockWidget(), dw0);
+
+        // Close current
+        dw0->close();
+        CHECK_EQ(tabBar->numDockWidgets(), 1);
+        CHECK_EQ(tabBar->currentIndex(), 0);
+        CHECK_EQ(tabBar->currentDockWidget(), dw2);
+
+        delete dw0;
+        delete dw1;
+        delete dw2;
+    }
+
+    // 1 event loop for DelayedDelete. Avoids LSAN warnings.
+    EVENT_LOOP(1);
+
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> {
+    TEST(tst_tabBarCtor),
+    TEST(tst_tabBarIndexes),
+    TEST(tst_tabBarDWDestroyed),
+    TEST(tst_tabBarDWClosed)
+};
+
+#include "../tests_main.h"
--- a/3rdparty/kddockwidgets/tests/core/tst_titlebar.cpp
+++ b/3rdparty/kddockwidgets/tests/core/tst_titlebar.cpp
@@ -0,0 +1,33 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "../simple_test_framework.h"
+#include "core/Platform.h"
+#include "core/TitleBar.h"
+#include "core/Group.h"
+
+using namespace KDDockWidgets;
+
+KDDW_QCORO_TASK tst_titleBarCtor()
+{
+    auto group = new Core::Group(nullptr, {});
+    auto tb = new Core::TitleBar(group);
+    CHECK(tb->view()->is(Core::ViewType::TitleBar));
+    CHECK(tb->view()->asWrapper()->is(Core::ViewType::TitleBar));
+    delete tb;
+    delete group;
+
+    KDDW_TEST_RETURN(true);
+}
+
+static const auto s_tests = std::vector<KDDWTest> { TEST(tst_titleBarCtor) };
+
+#include "../tests_main.h"
--- a/3rdparty/kddockwidgets/tests/fatal_logger.cpp
+++ b/3rdparty/kddockwidgets/tests/fatal_logger.cpp
@@ -0,0 +1,57 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include "fatal_logger.h"
+#include "core/Logging_p.h"
+#include "core/Platform.h"
+#include "core/Utils_p.h"
+
+using namespace KDDockWidgets;
+
+FatalLogger::~FatalLogger() = default;
+
+void FatalLogger::log(const spdlog::details::log_msg &msg)
+{
+    if (msg.level < spdlog::level::err) {
+        // Nothing to do if less than err
+        spdlog::sinks::stdout_color_sink_mt::log(msg);
+        return;
+    }
+
+    const std::string expectedWarning = Core::Platform::instance()->m_expectedWarning;
+    if (!expectedWarning.empty() && stringContains(std::string_view(msg.payload.data()), expectedWarning)) {
+        // It's whitelisted, downgrade to warning level
+        spdlog::details::log_msg copy = msg;
+        copy.level = spdlog::level::warn;
+        spdlog::sinks::stdout_color_sink_mt::log(copy);
+        return;
+    }
+
+
+    spdlog::sinks::stdout_color_sink_mt::log(msg);
+
+    spdlog::critical("KDDockWidgets should be error free. Aborting tests.");
+    std::terminate();
+}
+
+std::shared_ptr<spdlog::logger> FatalLogger::create()
+{
+    if (spdlog::get(KDDockWidgets::spdlogLoggerName())) {
+        // doesn't happen
+        spdlog::critical("Tests bug, install the FatalLogger earlier.");
+        std::terminate();
+    }
+
+    auto logger = std::make_shared<spdlog::logger>(KDDockWidgets::spdlogLoggerName(), std::make_shared<FatalLogger>());
+    spdlog::register_logger(logger);
+
+    return logger;
+}
--- a/3rdparty/kddockwidgets/tests/fatal_logger.h
+++ b/3rdparty/kddockwidgets/tests/fatal_logger.h
@@ -0,0 +1,32 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#pragma once
+
+#include "docks_export.h"
+
+#include <spdlog/spdlog.h>
+#include <spdlog/sinks/stdout_color_sinks.h>
+
+/// An spdlog logger that terminates the application if an error is printed
+/// This is only used by the tests. KDDW should be error free.
+
+namespace KDDockWidgets {
+
+class DOCKS_EXPORT FatalLogger : public spdlog::sinks::stdout_color_sink_mt
+{
+public:
+    ~FatalLogger() override;
+    static std::shared_ptr<spdlog::logger> create();
+    void log(const spdlog::details::log_msg &msg) override;
+};
+
+}
--- a/3rdparty/kddockwidgets/tests/flutter/analysis_options.yaml
+++ b/3rdparty/kddockwidgets/tests/flutter/analysis_options.yaml
@@ -0,0 +1,13 @@
+# SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  rules:
+    library_prefixes: false
+analyzer:
+  errors:
+    unused_import: false
+    file_names: false
--- a/3rdparty/kddockwidgets/tests/flutter/assets/KDAB_bubble_blue.png
+++ b/3rdparty/kddockwidgets/tests/flutter/assets/KDAB_bubble_blue.png
--- a/3rdparty/kddockwidgets/tests/flutter/assets/KDAB_bubble_fulcolor.png
+++ b/3rdparty/kddockwidgets/tests/flutter/assets/KDAB_bubble_fulcolor.png
--- a/3rdparty/kddockwidgets/tests/flutter/integration_test/ui_test.dart
+++ b/3rdparty/kddockwidgets/tests/flutter/integration_test/ui_test.dart
@@ -0,0 +1,98 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2024 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+import 'dart:io';
+import 'dart:ui';
+
+import 'package:KDDockWidgets/KDDockWidgets.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:KDDockWidgets/widgets/DropAreaWidget.dart';
+import 'package:integration_test/integration_test.dart';
+import 'package:kddockwidgets_integration_tests/MyWidget.dart';
+
+import 'package:kddockwidgets_integration_tests/utils.dart';
+
+Future<Finder?> waitForWidget(WidgetTester tester, Key key,
+    {int maxTries = 10}) async {
+  for (int i = 0; i < maxTries; ++i) {
+    final finder = find.byKey(key);
+    if (finder.evaluate().isNotEmpty) return finder;
+    await tester.pump(const Duration(seconds: 1));
+  }
+
+  return null;
+}
+
+// Returns true when the widget can't be seen anymore
+Future<bool> waitForWidgetToHide(WidgetTester tester, Key key,
+    {int maxTries = 10}) async {
+  for (int i = 0; i < maxTries; ++i) {
+    await tester.pump(const Duration(seconds: 1));
+    final finder = find.byKey(key);
+    if (finder.evaluate().isEmpty) return true;
+  }
+
+  return false;
+}
+
+Future<void> pumps(WidgetTester tester, int numPumps) async {
+  for (int i = 0; i < numPumps; ++i) {
+    await tester.pump(const Duration(seconds: 1));
+  }
+}
+
+class MyApp extends StatelessWidget {
+  final Widget child;
+  const MyApp({super.key, required this.child});
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+        home: RepaintBoundary(
+      key: const Key('boundary'),
+      child: Scaffold(
+        body: child,
+      ),
+    ));
+  }
+}
+
+void main() async {
+  testWidgets('Basic test', (WidgetTester tester) async {
+    final dock1 = DockItem(uniqueName: "dw1", guestWidget: MyWidget());
+    final dock2 = DockItem(uniqueName: "dw2", guestWidget: MyWidget());
+    final dock3 = DockItem(uniqueName: "dw3", guestWidget: MyWidget());
+
+    final dock11 = DockItem(uniqueName: "dw11", guestWidget: MyWidget());
+    final dock12 = DockItem(uniqueName: "dw12", guestWidget: MyWidget());
+
+    final dropArea = DropArea();
+    dropArea.addDockItem(dock1, Location.LocationOnTop);
+    dropArea.addDockItem(dock2, Location.LocationOnBottom);
+    final group = dropArea.groups.first;
+    group.addDockWidget(dock3);
+    group.addDockWidget(dock11);
+    group.addDockWidget(dock12);
+
+    dropArea.setLayoutSize(700, 700);
+    final dropAreaWidget = DropAreaWidget(dropArea);
+
+    // Build the widget tree
+    await tester.pumpWidget(MyApp(
+      child: dropAreaWidget,
+    ));
+
+    await tester.pump();
+    await saveScreenShot(tester, prefix: "basic");
+  });
+}
--- a/3rdparty/kddockwidgets/tests/flutter/lib/MyWidget.dart
+++ b/3rdparty/kddockwidgets/tests/flutter/lib/MyWidget.dart
@@ -0,0 +1,45 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+
+// ignore: must_be_immutable
+class MyWidget extends StatelessWidget {
+  static int nextImageId = 0;
+  final int imageId;
+  MyWidget({super.key}) : imageId = nextImageId {
+    MyWidget.nextImageId++;
+  }
+
+  String imageName() {
+    switch (imageId % 2) {
+      case 0:
+        return 'assets/KDAB_bubble_fulcolor.png';
+      case 1:
+        return 'assets/KDAB_bubble_blue.png';
+    }
+
+    return 'assets/KDAB_bubble_fulcolor.png';
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      color: Colors.white,
+      padding: const EdgeInsets.all(40.0),
+      child: Image.file(
+        File(imageName()),
+        fit: BoxFit.contain,
+      ),
+    );
+  }
+}
--- a/3rdparty/kddockwidgets/tests/flutter/lib/utils.dart
+++ b/3rdparty/kddockwidgets/tests/flutter/lib/utils.dart
@@ -0,0 +1,40 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2024 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+import 'dart:io';
+import 'dart:ui';
+
+import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+Map<String, int> _s_count = {};
+
+String _screenshotDirectory() {
+  return '${Directory(Platform.script.toFilePath()).parent.path}/../reference-images/images/flutter';
+}
+
+Future<void> saveScreenShot(WidgetTester tester,
+    {required String prefix}) async {
+  final renderObject = tester.firstRenderObject(find.byType(RepaintBoundary));
+  final image =
+      await (renderObject as RenderRepaintBoundary).toImage(pixelRatio: 2);
+
+  final byteDataFuture = image.toByteData(format: ImageByteFormat.png);
+  final byteData = await byteDataFuture;
+  final buffer = byteData!.buffer.asUint8List();
+
+  _s_count[prefix] = (_s_count[prefix] ?? 0) + 1;
+
+  final file =
+      File('${_screenshotDirectory()}/${prefix}_${_s_count[prefix]}.png');
+  file.writeAsBytesSync(buffer);
+}
--- a/3rdparty/kddockwidgets/tests/flutter/linux/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/flutter/linux/CMakeLists.txt
@@ -0,0 +1,162 @@
+# This file was auto-generated by the Flutter SDK
+#
+# SPDX-FileCopyrightText: 2014 The Flutter Authors.
+# SPDX-License-Identifier: BSD-3-Clause
+
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.15)
+project(runner LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "kddockwidgets_flutter_example")
+# The unique GTK application identifier for this application. See:
+# https://wiki.gnome.org/HowDoI/ChooseApplicationID
+set(APPLICATION_ID "com.example.kddockwidgets_flutter_example")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Load bundled libraries from the lib/ directory relative to the binary.
+set(CMAKE_INSTALL_RPATH "$ORIGIN/lib")
+
+if(DEFINED ENV{KDDW_EXAMPLE_USES_ASAN})
+    # For development purposes, support ASAN and UBSAN.
+    # gcc only, as it needs to match the ASAN used to build KDDW
+    set(CMAKE_CXX_COMPILER g++)
+    add_compile_options(-fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer)
+    add_link_options(-fsanitize=address -fsanitize=undefined)
+endif()
+
+# Root filesystem for cross-building.
+if(FLUTTER_TARGET_PLATFORM_SYSROOT)
+    set(CMAKE_SYSROOT ${FLUTTER_TARGET_PLATFORM_SYSROOT})
+    set(CMAKE_FIND_ROOT_PATH ${CMAKE_SYSROOT})
+    set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+    set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
+    set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+    set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+endif()
+
+# Define build configuration options.
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE
+        "Debug"
+        CACHE STRING "Flutter build mode" FORCE
+    )
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Profile" "Release")
+endif()
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS target)
+    target_compile_features(${target} PUBLIC cxx_std_14)
+    target_compile_options(${target} PRIVATE -Wall -Werror)
+    target_compile_options(${target} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:-O3>")
+    target_compile_definitions(${target} PRIVATE "$<$<NOT:$<CONFIG:Debug>>:NDEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+
+add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}")
+
+# Define the application target. To change its name, change BINARY_NAME above,
+# not the value here, or `flutter run` will no longer work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME} "main.cc" "my_application.cc" "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc")
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add dependency libraries. Add any application-specific dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter)
+target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK)
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
+
+# Only the install-generated bundle's copy of the executable will launch
+# correctly, since the resources must in the right relative locations. To avoid
+# people trying to run the unbundled copy, put it in a subdirectory instead of
+# the default top-level location.
+set_target_properties(${BINARY_NAME} PROPERTIES RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run")
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+# === Installation ===
+# By default, "installing" just makes a relocatable bundle in the build
+# directory.
+set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle")
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+    set(CMAKE_INSTALL_PREFIX
+        "${BUILD_BUNDLE_DIR}"
+        CACHE PATH "..." FORCE
+    )
+endif()
+
+# Start with a clean build bundle directory every time.
+install(CODE "
+  file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\")
+  " COMPONENT Runtime
+)
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" COMPONENT Runtime)
+
+install(
+    FILES "${FLUTTER_ICU_DATA_FILE}"
+    DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+    COMPONENT Runtime
+)
+
+install(
+    FILES "${FLUTTER_LIBRARY}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime
+)
+
+foreach(bundled_library ${PLUGIN_BUNDLED_LIBRARIES})
+    install(
+        FILES "${bundled_library}"
+        DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+        COMPONENT Runtime
+    )
+endforeach(bundled_library)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime
+)
+install(
+    DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+    DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+    COMPONENT Runtime
+)
+
+# Install the AOT library on non-Debug builds only.
+if(NOT CMAKE_BUILD_TYPE MATCHES "Debug")
+    install(
+        FILES "${AOT_LIBRARY}"
+        DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+        COMPONENT Runtime
+    )
+endif()
--- a/3rdparty/kddockwidgets/tests/flutter/linux/flutter/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/flutter/linux/flutter/CMakeLists.txt
@@ -0,0 +1,100 @@
+# This file was auto-generated by the Flutter SDK
+#
+# SPDX-FileCopyrightText: 2014 The Flutter Authors.
+# SPDX-License-Identifier: BSD-3-Clause
+
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.15)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# Serves the same purpose as list(TRANSFORM ... PREPEND ...),
+# which isn't available in 3.10.
+function(list_prepend LIST_NAME PREFIX)
+    set(NEW_LIST "")
+    foreach(element ${${LIST_NAME}})
+        list(APPEND NEW_LIST "${PREFIX}${element}")
+    endforeach(element)
+    set(${LIST_NAME}
+        "${NEW_LIST}"
+        PARENT_SCOPE
+    )
+endfunction()
+
+# === Flutter Library ===
+# System-level dependencies.
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0)
+pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0)
+pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0)
+
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY
+    ${FLUTTER_LIBRARY}
+    PARENT_SCOPE
+)
+set(FLUTTER_ICU_DATA_FILE
+    "${EPHEMERAL_DIR}/icudtl.dat"
+    PARENT_SCOPE
+)
+set(PROJECT_BUILD_DIR
+    "${PROJECT_DIR}/build/"
+    PARENT_SCOPE
+)
+set(AOT_LIBRARY
+    "${PROJECT_DIR}/build/lib/libapp.so"
+    PARENT_SCOPE
+)
+
+list(
+    APPEND
+    FLUTTER_LIBRARY_HEADERS
+    "fl_basic_message_channel.h"
+    "fl_binary_codec.h"
+    "fl_binary_messenger.h"
+    "fl_dart_project.h"
+    "fl_engine.h"
+    "fl_json_message_codec.h"
+    "fl_json_method_codec.h"
+    "fl_message_codec.h"
+    "fl_method_call.h"
+    "fl_method_channel.h"
+    "fl_method_codec.h"
+    "fl_method_response.h"
+    "fl_plugin_registrar.h"
+    "fl_plugin_registry.h"
+    "fl_standard_message_codec.h"
+    "fl_standard_method_codec.h"
+    "fl_string_codec.h"
+    "fl_value.h"
+    "fl_view.h"
+    "flutter_linux.h"
+)
+list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE "${EPHEMERAL_DIR}")
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}")
+target_link_libraries(flutter INTERFACE PkgConfig::GTK PkgConfig::GLIB PkgConfig::GIO)
+add_dependencies(flutter flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+
+if(NOT FLUTTER_TARGET_PLATFORM)
+    set(FLUTTER_TARGET_PLATFORM linux-x64)
+endif()
+
+add_custom_command(
+    OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} ${CMAKE_CURRENT_BINARY_DIR}/_phony_
+    COMMAND ${CMAKE_COMMAND} -E env ${FLUTTER_TOOL_ENVIRONMENT}
+            "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh" ${FLUTTER_TARGET_PLATFORM} ${CMAKE_BUILD_TYPE}
+    VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS "${FLUTTER_LIBRARY}" ${FLUTTER_LIBRARY_HEADERS})
--- a/3rdparty/kddockwidgets/tests/flutter/linux/main.cc
+++ b/3rdparty/kddockwidgets/tests/flutter/linux/main.cc
@@ -0,0 +1,14 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#include "my_application.h"
+
+int main(int argc, char **argv)
+{
+    g_autoptr(MyApplication) app = my_application_new();
+    return g_application_run(G_APPLICATION(app), argc, argv);
+}
--- a/3rdparty/kddockwidgets/tests/flutter/linux/my_application.cc
+++ b/3rdparty/kddockwidgets/tests/flutter/linux/my_application.cc
@@ -0,0 +1,119 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#include "my_application.h"
+
+#include <flutter_linux/flutter_linux.h>
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#endif
+
+#include "flutter/generated_plugin_registrant.h"
+
+struct _MyApplication
+{
+    GtkApplication parent_instance;
+    char **dart_entrypoint_arguments;
+};
+
+G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION)
+
+// Implements GApplication::activate.
+static void my_application_activate(GApplication *application)
+{
+    MyApplication *self = MY_APPLICATION(application);
+    GtkWindow *window =
+        GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application)));
+
+    // Use a header bar when running in GNOME as this is the common style used
+    // by applications and is the setup most users will be using (e.g. Ubuntu
+    // desktop).
+    // If running on X and not using GNOME then just use a traditional title bar
+    // in case the window manager does more exotic layout, e.g. tiling.
+    // If running on Wayland assume the header bar will work (may need changing
+    // if future cases occur).
+    gboolean use_header_bar = TRUE;
+#ifdef GDK_WINDOWING_X11
+    GdkScreen *screen = gtk_window_get_screen(window);
+    if (GDK_IS_X11_SCREEN(screen)) {
+        const gchar *wm_name = gdk_x11_screen_get_window_manager_name(screen);
+        if (g_strcmp0(wm_name, "GNOME Shell") != 0) {
+            use_header_bar = FALSE;
+        }
+    }
+#endif
+    if (use_header_bar) {
+        GtkHeaderBar *header_bar = GTK_HEADER_BAR(gtk_header_bar_new());
+        gtk_widget_show(GTK_WIDGET(header_bar));
+        gtk_header_bar_set_title(header_bar, "kddockwidgets_flutter_example");
+        gtk_header_bar_set_show_close_button(header_bar, TRUE);
+        gtk_window_set_titlebar(window, GTK_WIDGET(header_bar));
+    } else {
+        gtk_window_set_title(window, "kddockwidgets_flutter_example");
+    }
+
+    gtk_window_set_default_size(window, 1280, 720);
+    gtk_widget_show(GTK_WIDGET(window));
+
+    g_autoptr(FlDartProject) project = fl_dart_project_new();
+    fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments);
+
+    FlView *view = fl_view_new(project);
+    gtk_widget_show(GTK_WIDGET(view));
+    gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view));
+
+    fl_register_plugins(FL_PLUGIN_REGISTRY(view));
+
+    gtk_widget_grab_focus(GTK_WIDGET(view));
+}
+
+// Implements GApplication::local_command_line.
+static gboolean my_application_local_command_line(GApplication *application, gchar ***arguments, int *exit_status)
+{
+    MyApplication *self = MY_APPLICATION(application);
+    // Strip out the first argument as it is the binary name.
+    self->dart_entrypoint_arguments = g_strdupv(*arguments + 1);
+
+    g_autoptr(GError) error = nullptr;
+    if (!g_application_register(application, nullptr, &error)) {
+        g_warning("Failed to register: %s", error->message);
+        *exit_status = 1;
+        return TRUE;
+    }
+
+    g_application_activate(application);
+    *exit_status = 0;
+
+    return TRUE;
+}
+
+// Implements GObject::dispose.
+static void my_application_dispose(GObject *object)
+{
+    MyApplication *self = MY_APPLICATION(object);
+    g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev);
+    G_OBJECT_CLASS(my_application_parent_class)->dispose(object);
+}
+
+static void my_application_class_init(MyApplicationClass *klass)
+{
+    G_APPLICATION_CLASS(klass)->activate = my_application_activate;
+    G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line;
+    G_OBJECT_CLASS(klass)->dispose = my_application_dispose;
+}
+
+static void my_application_init(MyApplication *self)
+{
+}
+
+MyApplication *my_application_new()
+{
+    return MY_APPLICATION(g_object_new(my_application_get_type(),
+                                       "application-id", APPLICATION_ID,
+                                       "flags", G_APPLICATION_NON_UNIQUE,
+                                       nullptr));
+}
--- a/3rdparty/kddockwidgets/tests/flutter/linux/my_application.h
+++ b/3rdparty/kddockwidgets/tests/flutter/linux/my_application.h
@@ -0,0 +1,25 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#ifndef FLUTTER_MY_APPLICATION_H_
+#define FLUTTER_MY_APPLICATION_H_
+
+#include <gtk/gtk.h>
+
+G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION,
+                     GtkApplication)
+
+/**
+ * my_application_new:
+ *
+ * Creates a new Flutter-based application.
+ *
+ * Returns: a new #MyApplication.
+ */
+MyApplication *my_application_new();
+
+#endif // FLUTTER_MY_APPLICATION_H_
--- a/3rdparty/kddockwidgets/tests/flutter/macos/.gitignore
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/.gitignore
@@ -0,0 +1,7 @@
+# Flutter-related
+**/Flutter/ephemeral/
+**/Pods/
+
+# Xcode-related
+**/dgph
+**/xcuserdata/
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Flutter/Flutter-Debug.xcconfig
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Flutter/Flutter-Debug.xcconfig
@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Flutter/Flutter-Release.xcconfig
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Flutter/Flutter-Release.xcconfig
@@ -0,0 +1,2 @@
+#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig"
+#include "ephemeral/Flutter-Generated.xcconfig"
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Flutter/GeneratedPluginRegistrant.swift
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Flutter/GeneratedPluginRegistrant.swift
@@ -0,0 +1,10 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+}
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcodeproj/project.pbxproj
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcodeproj/project.pbxproj
@@ -0,0 +1,776 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 54;
+	objects = {
+
+/* Begin PBXAggregateTarget section */
+		33CC111A2044C6BA0003C045 /* Flutter Assemble */ = {
+			isa = PBXAggregateTarget;
+			buildConfigurationList = 33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */;
+			buildPhases = (
+				33CC111E2044C6BF0003C045 /* ShellScript */,
+			);
+			dependencies = (
+			);
+			name = "Flutter Assemble";
+			productName = FLX;
+		};
+/* End PBXAggregateTarget section */
+
+/* Begin PBXBuildFile section */
+		0D03C4E2091FB77C7F734122 /* Pods_Runner.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 1C612B606DF762ED44F0BA35 /* Pods_Runner.framework */; };
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+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/Release.entitlements;
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+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
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+			buildSettings = {
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+		};
+		33CC111D2044C6BA0003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Automatic;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		331C80DE294CF71000263BE5 /* Build configuration list for PBXNativeTarget "RunnerTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				331C80DB294CF71000263BE5 /* Debug */,
+				331C80DC294CF71000263BE5 /* Release */,
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+			defaultConfigurationName = Release;
+		};
+		33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC10F92044A3C60003C045 /* Debug */,
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+				338D0CE9231458BD00FA5F75 /* Profile */,
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+			defaultConfigurationName = Release;
+		};
+		33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
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+				33CC10FD2044A3C60003C045 /* Release */,
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+			defaultConfigurationName = Release;
+		};
+		33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
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+				33CC111D2044C6BA0003C045 /* Release */,
+				338D0CEB231458BD00FA5F75 /* Profile */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 33CC10E52044A3C60003C045 /* Project object */;
+}
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -0,0 +1,98 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1510"
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+               BuildableName = "kddockwidgets_example.app"
+               BlueprintName = "Runner"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES">
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "kddockwidgets_example.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+      <Testables>
+         <TestableReference
+            skipped = "NO"
+            parallelizable = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "331C80D4294CF70F00263BE5"
+               BuildableName = "RunnerTests.xctest"
+               BlueprintName = "RunnerTests"
+               ReferencedContainer = "container:Runner.xcodeproj">
+            </BuildableReference>
+         </TestableReference>
+      </Testables>
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "kddockwidgets_example.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Profile"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "33CC10EC2044A3C60003C045"
+            BuildableName = "kddockwidgets_example.app"
+            BlueprintName = "Runner"
+            ReferencedContainer = "container:Runner.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcworkspace/contents.xcworkspacedata
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Pods/Pods.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/AppDelegate.swift
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/AppDelegate.swift
@@ -0,0 +1,16 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+import Cocoa
+import FlutterMacOS
+
+@main
+class AppDelegate: FlutterAppDelegate {
+  override func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
+    return true
+  }
+}
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json
@@ -0,0 +1,68 @@
+{
+  "images" : [
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_16.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "16x16",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_32.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "32x32",
+      "idiom" : "mac",
+      "filename" : "app_icon_64.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_128.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "128x128",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_256.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "256x256",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "2x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_512.png",
+      "scale" : "1x"
+    },
+    {
+      "size" : "512x512",
+      "idiom" : "mac",
+      "filename" : "app_icon_1024.png",
+      "scale" : "2x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_1024.png
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_128.png
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_16.png
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_256.png
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_32.png
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_512.png
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Assets.xcassets/AppIcon.appiconset/app_icon_64.png
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Base.lproj/MainMenu.xib
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Base.lproj/MainMenu.xib
@@ -0,0 +1,343 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="14490.70" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES" customObjectInstantitationMethod="direct">
+    <dependencies>
+        <deployment identifier="macosx"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="14490.70"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
+            <connections>
+                <outlet property="delegate" destination="Voe-Tx-rLC" id="GzC-gU-4Uq"/>
+            </connections>
+        </customObject>
+        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
+        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
+        <customObject id="Voe-Tx-rLC" customClass="AppDelegate" customModule="Runner" customModuleProvider="target">
+            <connections>
+                <outlet property="applicationMenu" destination="uQy-DD-JDr" id="XBo-yE-nKs"/>
+                <outlet property="mainFlutterWindow" destination="QvC-M9-y7g" id="gIp-Ho-8D9"/>
+            </connections>
+        </customObject>
+        <customObject id="YLy-65-1bz" customClass="NSFontManager"/>
+        <menu title="Main Menu" systemMenu="main" id="AYu-sK-qS6">
+            <items>
+                <menuItem title="APP_NAME" id="1Xt-HY-uBw">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="APP_NAME" systemMenu="apple" id="uQy-DD-JDr">
+                        <items>
+                            <menuItem title="About APP_NAME" id="5kV-Vb-QxS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="orderFrontStandardAboutPanel:" target="-1" id="Exp-CZ-Vem"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="VOq-y0-SEH"/>
+                            <menuItem title="Preferences…" keyEquivalent="," id="BOF-NM-1cW"/>
+                            <menuItem isSeparatorItem="YES" id="wFC-TO-SCJ"/>
+                            <menuItem title="Services" id="NMo-om-nkz">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Services" systemMenu="services" id="hz9-B4-Xy5"/>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="4je-JR-u6R"/>
+                            <menuItem title="Hide APP_NAME" keyEquivalent="h" id="Olw-nP-bQN">
+                                <connections>
+                                    <action selector="hide:" target="-1" id="PnN-Uc-m68"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Hide Others" keyEquivalent="h" id="Vdr-fp-XzO">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="hideOtherApplications:" target="-1" id="VT4-aY-XCT"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Show All" id="Kd2-mp-pUS">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="unhideAllApplications:" target="-1" id="Dhg-Le-xox"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="kCx-OE-vgT"/>
+                            <menuItem title="Quit APP_NAME" keyEquivalent="q" id="4sb-4s-VLi">
+                                <connections>
+                                    <action selector="terminate:" target="-1" id="Te7-pn-YzF"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Edit" id="5QF-Oa-p0T">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Edit" id="W48-6f-4Dl">
+                        <items>
+                            <menuItem title="Undo" keyEquivalent="z" id="dRJ-4n-Yzg">
+                                <connections>
+                                    <action selector="undo:" target="-1" id="M6e-cu-g7V"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Redo" keyEquivalent="Z" id="6dh-zS-Vam">
+                                <connections>
+                                    <action selector="redo:" target="-1" id="oIA-Rs-6OD"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="WRV-NI-Exz"/>
+                            <menuItem title="Cut" keyEquivalent="x" id="uRl-iY-unG">
+                                <connections>
+                                    <action selector="cut:" target="-1" id="YJe-68-I9s"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Copy" keyEquivalent="c" id="x3v-GG-iWU">
+                                <connections>
+                                    <action selector="copy:" target="-1" id="G1f-GL-Joy"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste" keyEquivalent="v" id="gVA-U4-sdL">
+                                <connections>
+                                    <action selector="paste:" target="-1" id="UvS-8e-Qdg"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Paste and Match Style" keyEquivalent="V" id="WeT-3V-zwk">
+                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                <connections>
+                                    <action selector="pasteAsPlainText:" target="-1" id="cEh-KX-wJQ"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Delete" id="pa3-QI-u2k">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="delete:" target="-1" id="0Mk-Ml-PaM"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Select All" keyEquivalent="a" id="Ruw-6m-B2m">
+                                <connections>
+                                    <action selector="selectAll:" target="-1" id="VNm-Mi-diN"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="uyl-h8-XO2"/>
+                            <menuItem title="Find" id="4EN-yA-p0u">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Find" id="1b7-l0-nxx">
+                                    <items>
+                                        <menuItem title="Find…" tag="1" keyEquivalent="f" id="Xz5-n4-O0W">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="cD7-Qs-BN4"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find and Replace…" tag="12" keyEquivalent="f" id="YEy-JH-Tfz">
+                                            <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="WD3-Gg-5AJ"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Next" tag="2" keyEquivalent="g" id="q09-fT-Sye">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="NDo-RZ-v9R"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Find Previous" tag="3" keyEquivalent="G" id="OwM-mh-QMV">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="HOh-sY-3ay"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Use Selection for Find" tag="7" keyEquivalent="e" id="buJ-ug-pKt">
+                                            <connections>
+                                                <action selector="performFindPanelAction:" target="-1" id="U76-nv-p5D"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Jump to Selection" keyEquivalent="j" id="S0p-oC-mLd">
+                                            <connections>
+                                                <action selector="centerSelectionInVisibleArea:" target="-1" id="IOG-6D-g5B"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Spelling and Grammar" id="Dv1-io-Yv7">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Spelling" id="3IN-sU-3Bg">
+                                    <items>
+                                        <menuItem title="Show Spelling and Grammar" keyEquivalent=":" id="HFo-cy-zxI">
+                                            <connections>
+                                                <action selector="showGuessPanel:" target="-1" id="vFj-Ks-hy3"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Document Now" keyEquivalent=";" id="hz2-CU-CR7">
+                                            <connections>
+                                                <action selector="checkSpelling:" target="-1" id="fz7-VC-reM"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="bNw-od-mp5"/>
+                                        <menuItem title="Check Spelling While Typing" id="rbD-Rh-wIN">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleContinuousSpellChecking:" target="-1" id="7w6-Qz-0kB"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Check Grammar With Spelling" id="mK6-2p-4JG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleGrammarChecking:" target="-1" id="muD-Qn-j4w"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Correct Spelling Automatically" id="78Y-hA-62v">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticSpellingCorrection:" target="-1" id="2lM-Qi-WAP"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Substitutions" id="9ic-FL-obx">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Substitutions" id="FeM-D8-WVr">
+                                    <items>
+                                        <menuItem title="Show Substitutions" id="z6F-FW-3nz">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="orderFrontSubstitutionsPanel:" target="-1" id="oku-mr-iSq"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem isSeparatorItem="YES" id="gPx-C9-uUO"/>
+                                        <menuItem title="Smart Copy/Paste" id="9yt-4B-nSM">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleSmartInsertDelete:" target="-1" id="3IJ-Se-DZD"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Quotes" id="hQb-2v-fYv">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticQuoteSubstitution:" target="-1" id="ptq-xd-QOA"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Dashes" id="rgM-f4-ycn">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDashSubstitution:" target="-1" id="oCt-pO-9gS"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Smart Links" id="cwL-P1-jid">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticLinkDetection:" target="-1" id="Gip-E3-Fov"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Data Detectors" id="tRr-pd-1PS">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticDataDetection:" target="-1" id="R1I-Nq-Kbl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Text Replacement" id="HFQ-gK-NFA">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="toggleAutomaticTextReplacement:" target="-1" id="DvP-Fe-Py6"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Transformations" id="2oI-Rn-ZJC">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Transformations" id="c8a-y6-VQd">
+                                    <items>
+                                        <menuItem title="Make Upper Case" id="vmV-6d-7jI">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="uppercaseWord:" target="-1" id="sPh-Tk-edu"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Make Lower Case" id="d9M-CD-aMd">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="lowercaseWord:" target="-1" id="iUZ-b5-hil"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Capitalize" id="UEZ-Bs-lqG">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="capitalizeWord:" target="-1" id="26H-TL-nsh"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                            <menuItem title="Speech" id="xrE-MZ-jX0">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <menu key="submenu" title="Speech" id="3rS-ZA-NoH">
+                                    <items>
+                                        <menuItem title="Start Speaking" id="Ynk-f8-cLZ">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="startSpeaking:" target="-1" id="654-Ng-kyl"/>
+                                            </connections>
+                                        </menuItem>
+                                        <menuItem title="Stop Speaking" id="Oyz-dy-DGm">
+                                            <modifierMask key="keyEquivalentModifierMask"/>
+                                            <connections>
+                                                <action selector="stopSpeaking:" target="-1" id="dX8-6p-jy9"/>
+                                            </connections>
+                                        </menuItem>
+                                    </items>
+                                </menu>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="View" id="H8h-7b-M4v">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="View" id="HyV-fh-RgO">
+                        <items>
+                            <menuItem title="Enter Full Screen" keyEquivalent="f" id="4J7-dP-txa">
+                                <modifierMask key="keyEquivalentModifierMask" control="YES" command="YES"/>
+                                <connections>
+                                    <action selector="toggleFullScreen:" target="-1" id="dU3-MA-1Rq"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Window" id="aUF-d1-5bR">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Window" systemMenu="window" id="Td7-aD-5lo">
+                        <items>
+                            <menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
+                                <connections>
+                                    <action selector="performMiniaturize:" target="-1" id="VwT-WD-YPe"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem title="Zoom" id="R4o-n2-Eq4">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="performZoom:" target="-1" id="DIl-cC-cCs"/>
+                                </connections>
+                            </menuItem>
+                            <menuItem isSeparatorItem="YES" id="eu3-7i-yIM"/>
+                            <menuItem title="Bring All to Front" id="LE2-aR-0XJ">
+                                <modifierMask key="keyEquivalentModifierMask"/>
+                                <connections>
+                                    <action selector="arrangeInFront:" target="-1" id="DRN-fu-gQh"/>
+                                </connections>
+                            </menuItem>
+                        </items>
+                    </menu>
+                </menuItem>
+                <menuItem title="Help" id="EPT-qC-fAb">
+                    <modifierMask key="keyEquivalentModifierMask"/>
+                    <menu key="submenu" title="Help" systemMenu="help" id="rJ0-wn-3NY"/>
+                </menuItem>
+            </items>
+            <point key="canvasLocation" x="142" y="-258"/>
+        </menu>
+        <window title="APP_NAME" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" animationBehavior="default" id="QvC-M9-y7g" customClass="MainFlutterWindow" customModule="Runner" customModuleProvider="target">
+            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
+            <rect key="contentRect" x="335" y="390" width="800" height="600"/>
+            <rect key="screenRect" x="0.0" y="0.0" width="2560" height="1577"/>
+            <view key="contentView" wantsLayer="YES" id="EiT-Mj-1SZ">
+                <rect key="frame" x="0.0" y="0.0" width="800" height="600"/>
+                <autoresizingMask key="autoresizingMask"/>
+            </view>
+        </window>
+    </objects>
+</document>
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Configs/AppInfo.xcconfig
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Configs/AppInfo.xcconfig
@@ -0,0 +1,14 @@
+// Application-level settings for the Runner target.
+//
+// This may be replaced with something auto-generated from metadata (e.g., pubspec.yaml) in the
+// future. If not, the values below would default to using the project name when this becomes a
+// 'flutter create' template.
+
+// The application's name. By default this is also the title of the Flutter window.
+PRODUCT_NAME = kddockwidgets_example
+
+// The application's bundle identifier
+PRODUCT_BUNDLE_IDENTIFIER = com.example.kddockwidgetsExample
+
+// The copyright displayed in application information
+PRODUCT_COPYRIGHT = Copyright © 2023 com.example. All rights reserved.
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Configs/Debug.xcconfig
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Configs/Debug.xcconfig
@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Debug.xcconfig"
+#include "Warnings.xcconfig"
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Configs/Release.xcconfig
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Configs/Release.xcconfig
@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Release.xcconfig"
+#include "Warnings.xcconfig"
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Configs/Warnings.xcconfig
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Configs/Warnings.xcconfig
@@ -0,0 +1,13 @@
+WARNING_CFLAGS = -Wall -Wconditional-uninitialized -Wnullable-to-nonnull-conversion -Wmissing-method-return-type -Woverlength-strings
+GCC_WARN_UNDECLARED_SELECTOR = YES
+CLANG_UNDEFINED_BEHAVIOR_SANITIZER_NULLABILITY = YES
+CLANG_WARN_UNGUARDED_AVAILABILITY = YES_AGGRESSIVE
+CLANG_WARN__DUPLICATE_METHOD_MATCH = YES
+CLANG_WARN_PRAGMA_PACK = YES
+CLANG_WARN_STRICT_PROTOTYPES = YES
+CLANG_WARN_COMMA = YES
+GCC_WARN_STRICT_SELECTOR_MATCH = YES
+CLANG_WARN_OBJC_REPEATED_USE_OF_WEAK = YES
+CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES
+GCC_WARN_SHADOW = YES
+CLANG_WARN_UNREACHABLE_CODE = YES
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/DebugProfile.entitlements
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/DebugProfile.entitlements
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.cs.allow-jit</key>
+	<true/>
+</dict>
+</plist>
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Info.plist
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Info.plist
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIconFile</key>
+	<string></string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>APPL</string>
+	<key>CFBundleShortVersionString</key>
+	<string>$(FLUTTER_BUILD_NAME)</string>
+	<key>CFBundleVersion</key>
+	<string>$(FLUTTER_BUILD_NUMBER)</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>$(PRODUCT_COPYRIGHT)</string>
+	<key>NSMainNibFile</key>
+	<string>MainMenu</string>
+	<key>NSPrincipalClass</key>
+	<string>NSApplication</string>
+</dict>
+</plist>
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/MainFlutterWindow.swift
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/MainFlutterWindow.swift
@@ -0,0 +1,22 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+import Cocoa
+import FlutterMacOS
+
+class MainFlutterWindow: NSWindow {
+  override func awakeFromNib() {
+    let flutterViewController = FlutterViewController()
+    let windowFrame = self.frame
+    self.contentViewController = flutterViewController
+    self.setFrame(windowFrame, display: true)
+
+    RegisterGeneratedPlugins(registry: flutterViewController)
+
+    super.awakeFromNib()
+  }
+}
--- a/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Release.entitlements
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/Runner/Release.entitlements
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict/>
+</plist>
--- a/3rdparty/kddockwidgets/tests/flutter/macos/RunnerTests/RunnerTests.swift
+++ b/3rdparty/kddockwidgets/tests/flutter/macos/RunnerTests/RunnerTests.swift
@@ -0,0 +1,19 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+import FlutterMacOS
+import Cocoa
+import XCTest
+
+class RunnerTests: XCTestCase {
+
+  func testExample() {
+    // If you add code to the Runner application, consider adding tests here.
+    // See https://developer.apple.com/documentation/xctest for more information about using XCTest.
+  }
+
+}
--- a/3rdparty/kddockwidgets/tests/flutter/pubspec.yaml
+++ b/3rdparty/kddockwidgets/tests/flutter/pubspec.yaml
@@ -0,0 +1,29 @@
+name: kddockwidgets_integration_tests
+description: KDDockWidgets integration tests
+
+publish_to: "none"
+version: 1.0.0+1
+
+environment:
+  sdk: ">=3.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  KDDockWidgets:
+    path: "../../src/flutter/dart/"
+  cupertino_icons: ^1.0.2
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  integration_test:
+    sdk: flutter
+
+  flutter_lints: ^4.0.0
+
+flutter:
+  uses-material-design: true
+  assets:
+    - assets/KDAB_bubble_fulcolor.png
+    - assets/KDAB_bubble_blue.png
--- a/3rdparty/kddockwidgets/tests/flutter/windows/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/CMakeLists.txt
@@ -0,0 +1,125 @@
+#  This file was auto-generated by the Flutter SDK
+#
+#  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+#  SPDX-License-Identifier: BSD-3-Clause
+
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.15)
+project(kddockwidgets_example LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "kddockwidgets_example")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(SET CMP0063 NEW)
+
+# Define build configuration option.
+get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(IS_MULTICONFIG)
+    set(CMAKE_CONFIGURATION_TYPES
+        "Debug;Profile;Release"
+        CACHE STRING "" FORCE
+    )
+else()
+    if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+        set(CMAKE_BUILD_TYPE
+            "Debug"
+            CACHE STRING "Flutter build mode" FORCE
+        )
+        set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Profile" "Release")
+    endif()
+endif()
+# Define settings for the Profile build mode.
+set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
+
+# Use Unicode for all projects.
+add_definitions(-DUNICODE -D_UNICODE)
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS target)
+    target_compile_features(${target} PUBLIC cxx_std_17)
+    target_compile_options(${target} PRIVATE /W4 /WX /wd"4100")
+    target_compile_options(${target} PRIVATE /EHsc)
+    target_compile_definitions(${target} PRIVATE "_HAS_EXCEPTIONS=0")
+    target_compile_definitions(${target} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+# === Installation ===
+# Support files are copied into place next to the executable, so that it can
+# run in place. This is done instead of making a separate bundle (as on Linux)
+# so that building and running from within Visual Studio will work.
+set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
+# Make the "install" step default, as it's required to run.
+set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+    set(CMAKE_INSTALL_PREFIX
+        "${BUILD_BUNDLE_DIR}"
+        CACHE PATH "..." FORCE
+    )
+endif()
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" COMPONENT Runtime)
+
+install(
+    FILES "${FLUTTER_ICU_DATA_FILE}"
+    DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+    COMPONENT Runtime
+)
+
+install(
+    FILES "${FLUTTER_LIBRARY}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime
+)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+    install(
+        FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+        DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+        COMPONENT Runtime
+    )
+endif()
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime
+)
+install(
+    DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+    DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+    COMPONENT Runtime
+)
+
+# Install the AOT library on non-Debug builds only.
+install(
+    FILES "${AOT_LIBRARY}"
+    DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+    CONFIGURATIONS Profile;Release
+    COMPONENT Runtime
+)
--- a/3rdparty/kddockwidgets/tests/flutter/windows/flutter/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/flutter/CMakeLists.txt
@@ -0,0 +1,92 @@
+#  This file was auto-generated by the Flutter SDK
+#
+#  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+#  SPDX-License-Identifier: BSD-3-Clause
+
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.15)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
+
+# === Flutter Library ===
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY
+    ${FLUTTER_LIBRARY}
+    PARENT_SCOPE
+)
+set(FLUTTER_ICU_DATA_FILE
+    "${EPHEMERAL_DIR}/icudtl.dat"
+    PARENT_SCOPE
+)
+set(PROJECT_BUILD_DIR
+    "${PROJECT_DIR}/build/"
+    PARENT_SCOPE
+)
+set(AOT_LIBRARY
+    "${PROJECT_DIR}/build/windows/app.so"
+    PARENT_SCOPE
+)
+
+list(
+    APPEND
+    FLUTTER_LIBRARY_HEADERS
+    "flutter_export.h"
+    "flutter_windows.h"
+    "flutter_messenger.h"
+    "flutter_plugin_registrar.h"
+    "flutter_texture_registrar.h"
+)
+list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE "${EPHEMERAL_DIR}")
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
+add_dependencies(flutter flutter_assemble)
+
+# === Wrapper ===
+list(APPEND CPP_WRAPPER_SOURCES_CORE "core_implementations.cc" "standard_codec.cc")
+list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_PLUGIN "plugin_registrar.cc")
+list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_APP "flutter_engine.cc" "flutter_view_controller.cc")
+list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
+
+# Wrapper sources needed for a plugin.
+add_library(flutter_wrapper_plugin STATIC ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN})
+apply_standard_settings(flutter_wrapper_plugin)
+set_target_properties(flutter_wrapper_plugin PROPERTIES POSITION_INDEPENDENT_CODE ON)
+set_target_properties(flutter_wrapper_plugin PROPERTIES CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
+target_include_directories(flutter_wrapper_plugin PUBLIC "${WRAPPER_ROOT}/include")
+add_dependencies(flutter_wrapper_plugin flutter_assemble)
+
+# Wrapper sources needed for the runner.
+add_library(flutter_wrapper_app STATIC ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_APP})
+apply_standard_settings(flutter_wrapper_app)
+target_link_libraries(flutter_wrapper_app PUBLIC flutter)
+target_include_directories(flutter_wrapper_app PUBLIC "${WRAPPER_ROOT}/include")
+add_dependencies(flutter_wrapper_app flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
+set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
+add_custom_command(
+    OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
+           ${CPP_WRAPPER_SOURCES_APP} ${PHONY_OUTPUT}
+    COMMAND ${CMAKE_COMMAND} -E env ${FLUTTER_TOOL_ENVIRONMENT}
+            "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat" windows-x64 $<CONFIG>
+    VERBATIM
+)
+add_custom_target(
+    flutter_assemble DEPENDS "${FLUTTER_LIBRARY}" ${FLUTTER_LIBRARY_HEADERS} ${CPP_WRAPPER_SOURCES_CORE}
+                             ${CPP_WRAPPER_SOURCES_PLUGIN} ${CPP_WRAPPER_SOURCES_APP}
+)
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/CMakeLists.txt
@@ -0,0 +1,46 @@
+#  This file was auto-generated by the Flutter SDK
+#
+#  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+#  SPDX-License-Identifier: BSD-3-Clause
+
+cmake_minimum_required(VERSION 3.15)
+project(runner LANGUAGES CXX)
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(
+    ${BINARY_NAME} WIN32
+    "flutter_window.cpp"
+    "main.cpp"
+    "utils.cpp"
+    "win32_window.cpp"
+    "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+    "Runner.rc"
+    "runner.exe.manifest"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add preprocessor definitions for the build version.
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}")
+
+# Disable Windows macros that collide with C++ standard library functions.
+target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+
+# Add dependency libraries and include directories. Add any application-specific
+# dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
+target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib")
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/Runner.rc
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/Runner.rc
@@ -0,0 +1,129 @@
+//
+//  This file was auto-generated by the Flutter SDK
+//
+//  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+//  SPDX-License-Identifier: BSD-3-Clause
+//
+
+
+// Microsoft Visual C++ generated resource script.
+//
+#pragma code_page(65001)
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (United States) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD)
+#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD
+#else
+#define VERSION_AS_NUMBER 1,0,0,0
+#endif
+
+#if defined(FLUTTER_VERSION)
+#define VERSION_AS_STRING FLUTTER_VERSION
+#else
+#define VERSION_AS_STRING "1.0.0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION VERSION_AS_NUMBER
+ PRODUCTVERSION VERSION_AS_NUMBER
+ FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+ FILEFLAGS VS_FF_DEBUG
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS VOS__WINDOWS32
+ FILETYPE VFT_APP
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904e4"
+        BEGIN
+            VALUE "CompanyName", "com.example" "\0"
+            VALUE "FileDescription", "kddockwidgets_example" "\0"
+            VALUE "FileVersion", VERSION_AS_STRING "\0"
+            VALUE "InternalName", "kddockwidgets_example" "\0"
+            VALUE "LegalCopyright", "Copyright (C) 2023 com.example. All rights reserved." "\0"
+            VALUE "OriginalFilename", "kddockwidgets_example.exe" "\0"
+            VALUE "ProductName", "kddockwidgets_example" "\0"
+            VALUE "ProductVersion", VERSION_AS_STRING "\0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END
+
+#endif    // English (United States) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/flutter_window.cpp
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/flutter_window.cpp
@@ -0,0 +1,80 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#include "flutter_window.h"
+
+#include <optional>
+
+#include "flutter/generated_plugin_registrant.h"
+
+FlutterWindow::FlutterWindow(const flutter::DartProject &project)
+    : project_(project)
+{
+}
+
+FlutterWindow::~FlutterWindow()
+{
+}
+
+bool FlutterWindow::OnCreate()
+{
+    if (!Win32Window::OnCreate()) {
+        return false;
+    }
+
+    RECT frame = GetClientArea();
+
+    // The size here must match the window dimensions to avoid unnecessary surface
+    // creation / destruction in the startup path.
+    flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
+        frame.right - frame.left, frame.bottom - frame.top, project_);
+    // Ensure that basic setup of the controller was successful.
+    if (!flutter_controller_->engine() || !flutter_controller_->view()) {
+        return false;
+    }
+    RegisterPlugins(flutter_controller_->engine());
+    SetChildContent(flutter_controller_->view()->GetNativeWindow());
+
+    flutter_controller_->engine()->SetNextFrameCallback([&]() {
+        this->Show();
+    });
+
+    return true;
+}
+
+void FlutterWindow::OnDestroy()
+{
+    if (flutter_controller_) {
+        flutter_controller_ = nullptr;
+    }
+
+    Win32Window::OnDestroy();
+}
+
+LRESULT
+FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
+                              WPARAM const wparam,
+                              LPARAM const lparam) noexcept
+{
+    // Give Flutter, including plugins, an opportunity to handle window messages.
+    if (flutter_controller_) {
+        std::optional<LRESULT> result =
+            flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
+                                                          lparam);
+        if (result) {
+            return *result;
+        }
+    }
+
+    switch (message) {
+    case WM_FONTCHANGE:
+        flutter_controller_->engine()->ReloadSystemFonts();
+        break;
+    }
+
+    return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
+}
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/flutter_window.h
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/flutter_window.h
@@ -0,0 +1,42 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+
+#ifndef RUNNER_FLUTTER_WINDOW_H_
+#define RUNNER_FLUTTER_WINDOW_H_
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+
+#include <memory>
+
+#include "win32_window.h"
+
+// A window that does nothing but host a Flutter view.
+class FlutterWindow : public Win32Window
+{
+public:
+    // Creates a new FlutterWindow hosting a Flutter view running |project|.
+    explicit FlutterWindow(const flutter::DartProject &project);
+    virtual ~FlutterWindow();
+
+protected:
+    // Win32Window:
+    bool OnCreate() override;
+    void OnDestroy() override;
+    LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
+                           LPARAM const lparam) noexcept override;
+
+private:
+    // The project to run.
+    flutter::DartProject project_;
+
+    // The Flutter instance hosted by this window.
+    std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
+};
+
+#endif // RUNNER_FLUTTER_WINDOW_H_
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/main.cpp
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/main.cpp
@@ -0,0 +1,51 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+#include <windows.h>
+
+#include "flutter_window.h"
+#include "utils.h"
+
+int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
+                      _In_ wchar_t *command_line, _In_ int show_command)
+{
+    // Attach to console when present (e.g., 'flutter run') or create a
+    // new console when running with a debugger.
+    if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
+        CreateAndAttachConsole();
+    }
+
+    // Initialize COM, so that it is available for use in the library and/or
+    // plugins.
+    ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
+    flutter::DartProject project(L"data");
+
+    std::vector<std::string> command_line_arguments =
+        GetCommandLineArguments();
+
+    project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
+
+    FlutterWindow window(project);
+    Win32Window::Point origin(10, 10);
+    Win32Window::Size size(1280, 720);
+    if (!window.Create(L"kddockwidgets_example", origin, size)) {
+        return EXIT_FAILURE;
+    }
+    window.SetQuitOnClose(true);
+
+    ::MSG msg;
+    while (::GetMessage(&msg, nullptr, 0, 0)) {
+        ::TranslateMessage(&msg);
+        ::DispatchMessage(&msg);
+    }
+
+    ::CoUninitialize();
+    return EXIT_SUCCESS;
+}
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/resource.h
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/resource.h
@@ -0,0 +1,24 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by Runner.rc
+//
+#define IDI_APP_ICON 101
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE 102
+#define _APS_NEXT_COMMAND_VALUE 40001
+#define _APS_NEXT_CONTROL_VALUE 1001
+#define _APS_NEXT_SYMED_VALUE 101
+#endif
+#endif
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/resources/app_icon.ico
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/resources/app_icon.ico
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/runner.exe.manifest
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/runner.exe.manifest
@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 and Windows 11 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+      <!-- Windows 8.1 -->
+      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>
+      <!-- Windows 8 -->
+      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/>
+      <!-- Windows 7 -->
+      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/>
+    </application>
+  </compatibility>
+</assembly>
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/utils.cpp
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/utils.cpp
@@ -0,0 +1,74 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#include "utils.h"
+
+#include <flutter_windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <windows.h>
+
+#include <iostream>
+
+void CreateAndAttachConsole()
+{
+    if (::AllocConsole()) {
+        FILE *unused;
+        if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
+            _dup2(_fileno(stdout), 1);
+        }
+        if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
+            _dup2(_fileno(stdout), 2);
+        }
+        std::ios::sync_with_stdio();
+        FlutterDesktopResyncOutputStreams();
+    }
+}
+
+std::vector<std::string> GetCommandLineArguments()
+{
+    // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
+    int argc;
+    wchar_t **argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
+    if (argv == nullptr) {
+        return std::vector<std::string>();
+    }
+
+    std::vector<std::string> command_line_arguments;
+
+    // Skip the first argument as it's the binary name.
+    for (int i = 1; i < argc; i++) {
+        command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
+    }
+
+    ::LocalFree(argv);
+
+    return command_line_arguments;
+}
+
+std::string Utf8FromUtf16(const wchar_t *utf16_string)
+{
+    if (utf16_string == nullptr) {
+        return std::string();
+    }
+    int target_length = ::WideCharToMultiByte(
+        CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+        -1, nullptr, 0, nullptr, nullptr);
+    std::string utf8_string;
+    if (target_length == 0 || target_length > utf8_string.max_size()) {
+        return utf8_string;
+    }
+    utf8_string.resize(target_length);
+    int converted_length = ::WideCharToMultiByte(
+        CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+        -1, utf8_string.data(),
+        target_length, nullptr, nullptr);
+    if (converted_length == 0) {
+        return std::string();
+    }
+    return utf8_string;
+}
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/utils.h
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/utils.h
@@ -0,0 +1,26 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#ifndef RUNNER_UTILS_H_
+#define RUNNER_UTILS_H_
+
+#include <string>
+#include <vector>
+
+// Creates a console for the process, and redirects stdout and stderr to
+// it for both the runner and the Flutter library.
+void CreateAndAttachConsole();
+
+// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
+// encoded in UTF-8. Returns an empty std::string on failure.
+std::string Utf8FromUtf16(const wchar_t *utf16_string);
+
+// Gets the command line arguments passed in as a std::vector<std::string>,
+// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
+std::vector<std::string> GetCommandLineArguments();
+
+#endif // RUNNER_UTILS_H_
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/win32_window.cpp
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/win32_window.cpp
@@ -0,0 +1,317 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+
+#include "win32_window.h"
+
+#include <dwmapi.h>
+#include <flutter_windows.h>
+
+#include "resource.h"
+
+namespace {
+
+/// Window attribute that enables dark mode window decorations.
+///
+/// Redefined in case the developer's machine has a Windows SDK older than
+/// version 10.0.22000.0.
+/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+
+constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
+
+/// Registry key for app theme preference.
+///
+/// A value of 0 indicates apps should use dark mode. A non-zero or missing
+/// value indicates apps should use light mode.
+constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
+    L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";
+
+// The number of Win32Window objects that currently exist.
+static int g_active_window_count = 0;
+
+using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
+
+// Scale helper to convert logical scaler values to physical using passed in
+// scale factor
+int Scale(int source, double scale_factor)
+{
+    return static_cast<int>(source * scale_factor);
+}
+
+// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
+// This API is only needed for PerMonitor V1 awareness mode.
+void EnableFullDpiSupportIfAvailable(HWND hwnd)
+{
+    HMODULE user32_module = LoadLibraryA("User32.dll");
+    if (!user32_module) {
+        return;
+    }
+    auto enable_non_client_dpi_scaling =
+        reinterpret_cast<EnableNonClientDpiScaling *>(
+            GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
+    if (enable_non_client_dpi_scaling != nullptr) {
+        enable_non_client_dpi_scaling(hwnd);
+    }
+    FreeLibrary(user32_module);
+}
+
+} // namespace
+
+// Manages the Win32Window's window class registration.
+class WindowClassRegistrar
+{
+public:
+    ~WindowClassRegistrar() = default;
+
+    // Returns the singleton registar instance.
+    static WindowClassRegistrar *GetInstance()
+    {
+        if (!instance_) {
+            instance_ = new WindowClassRegistrar();
+        }
+        return instance_;
+    }
+
+    // Returns the name of the window class, registering the class if it hasn't
+    // previously been registered.
+    const wchar_t *GetWindowClass();
+
+    // Unregisters the window class. Should only be called if there are no
+    // instances of the window.
+    void UnregisterWindowClass();
+
+private:
+    WindowClassRegistrar() = default;
+
+    static WindowClassRegistrar *instance_;
+
+    bool class_registered_ = false;
+};
+
+WindowClassRegistrar *WindowClassRegistrar::instance_ = nullptr;
+
+const wchar_t *WindowClassRegistrar::GetWindowClass()
+{
+    if (!class_registered_) {
+        WNDCLASS window_class {};
+        window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+        window_class.lpszClassName = kWindowClassName;
+        window_class.style = CS_HREDRAW | CS_VREDRAW;
+        window_class.cbClsExtra = 0;
+        window_class.cbWndExtra = 0;
+        window_class.hInstance = GetModuleHandle(nullptr);
+        window_class.hIcon =
+            LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
+        window_class.hbrBackground = 0;
+        window_class.lpszMenuName = nullptr;
+        window_class.lpfnWndProc = Win32Window::WndProc;
+        RegisterClass(&window_class);
+        class_registered_ = true;
+    }
+    return kWindowClassName;
+}
+
+void WindowClassRegistrar::UnregisterWindowClass()
+{
+    UnregisterClass(kWindowClassName, nullptr);
+    class_registered_ = false;
+}
+
+Win32Window::Win32Window()
+{
+    ++g_active_window_count;
+}
+
+Win32Window::~Win32Window()
+{
+    --g_active_window_count;
+    Destroy();
+}
+
+bool Win32Window::Create(const std::wstring &title,
+                         const Point &origin,
+                         const Size &size)
+{
+    Destroy();
+
+    const wchar_t *window_class =
+        WindowClassRegistrar::GetInstance()->GetWindowClass();
+
+    const POINT target_point = { static_cast<LONG>(origin.x),
+                                 static_cast<LONG>(origin.y) };
+    HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
+    UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
+    double scale_factor = dpi / 96.0;
+
+    HWND window = CreateWindow(
+        window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
+        Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
+        Scale(size.width, scale_factor), Scale(size.height, scale_factor),
+        nullptr, nullptr, GetModuleHandle(nullptr), this);
+
+    if (!window) {
+        return false;
+    }
+
+    UpdateTheme(window);
+
+    return OnCreate();
+}
+
+bool Win32Window::Show()
+{
+    return ShowWindow(window_handle_, SW_SHOWNORMAL);
+}
+
+// static
+LRESULT CALLBACK Win32Window::WndProc(HWND const window,
+                                      UINT const message,
+                                      WPARAM const wparam,
+                                      LPARAM const lparam) noexcept
+{
+    if (message == WM_NCCREATE) {
+        auto window_struct = reinterpret_cast<CREATESTRUCT *>(lparam);
+        SetWindowLongPtr(window, GWLP_USERDATA,
+                         reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
+
+        auto that = static_cast<Win32Window *>(window_struct->lpCreateParams);
+        EnableFullDpiSupportIfAvailable(window);
+        that->window_handle_ = window;
+    } else if (Win32Window *that = GetThisFromHandle(window)) {
+        return that->MessageHandler(window, message, wparam, lparam);
+    }
+
+    return DefWindowProc(window, message, wparam, lparam);
+}
+
+LRESULT
+Win32Window::MessageHandler(HWND hwnd,
+                            UINT const message,
+                            WPARAM const wparam,
+                            LPARAM const lparam) noexcept
+{
+    switch (message) {
+    case WM_DESTROY:
+        window_handle_ = nullptr;
+        Destroy();
+        if (quit_on_close_) {
+            PostQuitMessage(0);
+        }
+        return 0;
+
+    case WM_DPICHANGED: {
+        auto newRectSize = reinterpret_cast<RECT *>(lparam);
+        LONG newWidth = newRectSize->right - newRectSize->left;
+        LONG newHeight = newRectSize->bottom - newRectSize->top;
+
+        SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
+                     newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
+
+        return 0;
+    }
+    case WM_SIZE: {
+        RECT rect = GetClientArea();
+        if (child_content_ != nullptr) {
+            // Size and position the child window.
+            MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
+                       rect.bottom - rect.top, TRUE);
+        }
+        return 0;
+    }
+
+    case WM_ACTIVATE:
+        if (child_content_ != nullptr) {
+            SetFocus(child_content_);
+        }
+        return 0;
+
+    case WM_DWMCOLORIZATIONCOLORCHANGED:
+        UpdateTheme(hwnd);
+        return 0;
+    }
+
+    return DefWindowProc(window_handle_, message, wparam, lparam);
+}
+
+void Win32Window::Destroy()
+{
+    OnDestroy();
+
+    if (window_handle_) {
+        DestroyWindow(window_handle_);
+        window_handle_ = nullptr;
+    }
+    if (g_active_window_count == 0) {
+        WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
+    }
+}
+
+Win32Window *Win32Window::GetThisFromHandle(HWND const window) noexcept
+{
+    return reinterpret_cast<Win32Window *>(
+        GetWindowLongPtr(window, GWLP_USERDATA));
+}
+
+void Win32Window::SetChildContent(HWND content)
+{
+    child_content_ = content;
+    SetParent(content, window_handle_);
+    RECT frame = GetClientArea();
+
+    MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
+               frame.bottom - frame.top, true);
+
+    SetFocus(child_content_);
+}
+
+RECT Win32Window::GetClientArea()
+{
+    RECT frame;
+    GetClientRect(window_handle_, &frame);
+    return frame;
+}
+
+HWND Win32Window::GetHandle()
+{
+    return window_handle_;
+}
+
+void Win32Window::SetQuitOnClose(bool quit_on_close)
+{
+    quit_on_close_ = quit_on_close;
+}
+
+bool Win32Window::OnCreate()
+{
+    // No-op; provided for subclasses.
+    return true;
+}
+
+void Win32Window::OnDestroy()
+{
+    // No-op; provided for subclasses.
+}
+
+void Win32Window::UpdateTheme(HWND const window)
+{
+    DWORD light_mode;
+    DWORD light_mode_size = sizeof(light_mode);
+    LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
+                                 kGetPreferredBrightnessRegValue,
+                                 RRF_RT_REG_DWORD, nullptr, &light_mode,
+                                 &light_mode_size);
+
+    if (result == ERROR_SUCCESS) {
+        BOOL enable_dark_mode = light_mode == 0;
+        DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
+                              &enable_dark_mode, sizeof(enable_dark_mode));
+    }
+}
--- a/3rdparty/kddockwidgets/tests/flutter/windows/runner/win32_window.h
+++ b/3rdparty/kddockwidgets/tests/flutter/windows/runner/win32_window.h
@@ -0,0 +1,119 @@
+/**
+  This file was auto-generated by the Flutter SDK
+
+  SPDX-FileCopyrightText: 2014 The Flutter Authors.
+  SPDX-License-Identifier: BSD-3-Clause
+*/
+
+#ifndef RUNNER_WIN32_WINDOW_H_
+#define RUNNER_WIN32_WINDOW_H_
+
+#include <windows.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+// A class abstraction for a high DPI-aware Win32 Window. Intended to be
+// inherited from by classes that wish to specialize with custom
+// rendering and input handling
+class Win32Window
+{
+public:
+    struct Point
+    {
+        unsigned int x;
+        unsigned int y;
+        Point(unsigned int x, unsigned int y)
+            : x(x)
+            , y(y)
+        {
+        }
+    };
+
+    struct Size
+    {
+        unsigned int width;
+        unsigned int height;
+        Size(unsigned int width, unsigned int height)
+            : width(width)
+            , height(height)
+        {
+        }
+    };
+
+    Win32Window();
+    virtual ~Win32Window();
+
+    // Creates a win32 window with |title| that is positioned and sized using
+    // |origin| and |size|. New windows are created on the default monitor. Window
+    // sizes are specified to the OS in physical pixels, hence to ensure a
+    // consistent size this function will scale the inputted width and height as
+    // as appropriate for the default monitor. The window is invisible until
+    // |Show| is called. Returns true if the window was created successfully.
+    bool Create(const std::wstring &title, const Point &origin, const Size &size);
+
+    // Show the current window. Returns true if the window was successfully shown.
+    bool Show();
+
+    // Release OS resources associated with window.
+    void Destroy();
+
+    // Inserts |content| into the window tree.
+    void SetChildContent(HWND content);
+
+    // Returns the backing Window handle to enable clients to set icon and other
+    // window properties. Returns nullptr if the window has been destroyed.
+    HWND GetHandle();
+
+    // If true, closing this window will quit the application.
+    void SetQuitOnClose(bool quit_on_close);
+
+    // Return a RECT representing the bounds of the current client area.
+    RECT GetClientArea();
+
+protected:
+    // Processes and route salient window messages for mouse handling,
+    // size change and DPI. Delegates handling of these to member overloads that
+    // inheriting classes can handle.
+    virtual LRESULT MessageHandler(HWND window,
+                                   UINT const message,
+                                   WPARAM const wparam,
+                                   LPARAM const lparam) noexcept;
+
+    // Called when CreateAndShow is called, allowing subclass window-related
+    // setup. Subclasses should return false if setup fails.
+    virtual bool OnCreate();
+
+    // Called when Destroy is called.
+    virtual void OnDestroy();
+
+private:
+    friend class WindowClassRegistrar;
+
+    // OS callback called by message pump. Handles the WM_NCCREATE message which
+    // is passed when the non-client area is being created and enables automatic
+    // non-client DPI scaling so that the non-client area automatically
+    // responsponds to changes in DPI. All other messages are handled by
+    // MessageHandler.
+    static LRESULT CALLBACK WndProc(HWND const window,
+                                    UINT const message,
+                                    WPARAM const wparam,
+                                    LPARAM const lparam) noexcept;
+
+    // Retrieves a class instance pointer for |window|
+    static Win32Window *GetThisFromHandle(HWND const window) noexcept;
+
+    // Update the window frame's theme to match the system theme.
+    static void UpdateTheme(HWND const window);
+
+    bool quit_on_close_ = false;
+
+    // window handle for top level window.
+    HWND window_handle_ = nullptr;
+
+    // window handle for hosted content.
+    HWND child_content_ = nullptr;
+};
+
+#endif // RUNNER_WIN32_WINDOW_H_
--- a/3rdparty/kddockwidgets/tests/includes_test/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/includes_test/CMakeLists.txt
@@ -0,0 +1,22 @@
+# This file is part of KDDockWidgets.
+#
+# SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+# Author: Sergio Martins <sergio.martins@kdab.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+#
+# Contact KDAB at <info@kdab.com> for commercial licensing options.
+#
+
+cmake_minimum_required(VERSION 3.15)
+project(includes_test)
+
+if(NOT TARGET kddockwidgets)
+    find_package(KDDockWidgets QUIET)
+    if(NOT KDDockWidgets_FOUND)
+        find_package(KDDockWidgets-qt6 REQUIRED)
+    endif()
+endif()
+
+add_executable(includes_test main.cpp)
+target_link_libraries(includes_test PRIVATE KDAB::kddockwidgets)
--- a/3rdparty/kddockwidgets/tests/includes_test/main.cpp
+++ b/3rdparty/kddockwidgets/tests/includes_test/main.cpp
@@ -0,0 +1,92 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sergio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+// Tests that the includes are installed
+
+#if KDDW_FRONTEND_QTWIDGETS
+#include <kddockwidgets/qtwidgets/Platform.h>
+#include <kddockwidgets/qtwidgets/ViewFactory.h>
+#include <kddockwidgets/qtwidgets/views/ClassicIndicatorsWindow.h>
+#include <kddockwidgets/qtwidgets/views/DockWidget.h>
+#include <kddockwidgets/qtwidgets/views/DropArea.h>
+#include <kddockwidgets/qtwidgets/views/FloatingWindow.h>
+#include <kddockwidgets/qtwidgets/views/Group.h>
+#include <kddockwidgets/qtwidgets/views/MainWindow.h>
+#include <kddockwidgets/qtwidgets/views/MainWindowMDI.h>
+#include <kddockwidgets/qtwidgets/views/MDILayout.h>
+#include <kddockwidgets/qtwidgets/views/RubberBand.h>
+#include <kddockwidgets/qtwidgets/views/Separator.h>
+#include <kddockwidgets/qtwidgets/views/Stack.h>
+#include <kddockwidgets/qtwidgets/views/TabBar.h>
+#include <kddockwidgets/qtwidgets/views/TitleBar.h>
+#include <kddockwidgets/qtwidgets/views/View.h>
+#endif
+
+#if KDDW_FRONTEND_QTQUICK
+#include <kddockwidgets/qtquick/Action.h>
+#include <kddockwidgets/qtquick/Platform.h>
+#include <kddockwidgets/qtquick/ViewFactory.h>
+#include <kddockwidgets/qtquick/views/ClassicIndicatorsWindow.h>
+#include <kddockwidgets/qtquick/views/DockWidget.h>
+#include <kddockwidgets/qtquick/views/DropArea.h>
+#include <kddockwidgets/qtquick/views/FloatingWindow.h>
+#include <kddockwidgets/qtquick/views/Group.h>
+#include <kddockwidgets/qtquick/views/MainWindow.h>
+#include <kddockwidgets/qtquick/views/MainWindowMDI.h>
+#include <kddockwidgets/qtquick/views/MDILayout.h>
+#include <kddockwidgets/qtquick/views/RubberBand.h>
+#include <kddockwidgets/qtquick/views/Separator.h>
+#include <kddockwidgets/qtquick/views/Stack.h>
+#include <kddockwidgets/qtquick/views/TabBar.h>
+#include <kddockwidgets/qtquick/views/TitleBar.h>
+#include <kddockwidgets/qtquick/views/View.h>
+#endif
+
+#include <kddockwidgets/qtcommon/View.h>
+#include <kddockwidgets/qtcommon/Platform.h>
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/docks_export.h>
+#include <kddockwidgets/KDDockWidgets.h>
+#include <kddockwidgets/LayoutSaver.h>
+#include <kddockwidgets/Qt5Qt6Compat_p.h>
+#include <kddockwidgets/QtCompat_p.h>
+
+#include <kddockwidgets/core/Action.h>
+#include <kddockwidgets/core/DockRegistry.h>
+#include <kddockwidgets/core/Draggable_p.h>
+#include <kddockwidgets/core/EventFilterInterface.h>
+#include <kddockwidgets/core/Group.h>
+#include <kddockwidgets/core/MDILayout.h>
+#include <kddockwidgets/core/SideBar.h>
+#include <kddockwidgets/core/TabBar.h>
+#include <kddockwidgets/core/View.h>
+#include <kddockwidgets/core/Controller.h>
+#include <kddockwidgets/core/DockWidget.h>
+#include <kddockwidgets/core/DropArea.h>
+#include <kddockwidgets/core/DropIndicatorOverlay.h>
+#include <kddockwidgets/core/FloatingWindow.h>
+#include <kddockwidgets/core/FocusScope.h>
+#include <kddockwidgets/core/Layout.h>
+#include <kddockwidgets/core/MainWindow.h>
+#include <kddockwidgets/core/Platform.h>
+#include <kddockwidgets/core/Separator.h>
+#include <kddockwidgets/core/Stack.h>
+#include <kddockwidgets/core/TitleBar.h>
+#include <kddockwidgets/core/ViewFactory.h>
+
+// Will only be available upon request
+// #include <kddockwidgets/core/WidgetResizeHandler_p.h>
+
+int main()
+{
+    return 0;
+}
--- a/3rdparty/kddockwidgets/tests/layout_fuzzer.dart
+++ b/3rdparty/kddockwidgets/tests/layout_fuzzer.dart
@@ -0,0 +1,331 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+/// A script to generate a random layout
+/// $ dart tests/layout_fuzzer.dart layout_schema.json
+
+import 'dart:convert';
+import 'dart:io';
+import 'dart:math';
+
+final _random = Random();
+const int _min_children_recursion_depth = 2;
+const int _max_children_recursion_depth = 5;
+int _current_children_recursion_depth = 0;
+int _current_children_max_recursion_depth = 0;
+int _current_string_count = 0;
+
+// Returns between min and max, inclusive.
+int generateNumber(int min, int max) {
+  final int n = max - min + 1;
+  return _random.nextInt(n) + min;
+}
+
+randomArrayElement(var array) {
+  final index = generateNumber(0, array.length - 1);
+  return array[index];
+}
+
+class Schema {
+  final jsonSchema;
+  final String propertyName;
+  late final String type;
+
+  Schema(this.jsonSchema, this.propertyName) {
+    type = jsonSchema["type"];
+  }
+
+  static Schema fromJson(var jsonSchema, var propertyName) {
+    if (jsonSchema["\$ref"] != null) {
+      return Fuzzer.self.schemaForDefinition(jsonSchema["\$ref"], propertyName);
+    }
+
+    final type = jsonSchema["type"];
+
+    if (type == "integer") {
+      return IntegerSchema(jsonSchema, propertyName);
+    } else if (type == "number") {
+      return NumberSchema(jsonSchema, propertyName);
+    } else if (type == "boolean") {
+      return BooleanSchema(jsonSchema, propertyName);
+    } else if (type == "array") {
+      return ArraySchema(jsonSchema, propertyName);
+    } else if (type == "object") {
+      return ObjectSchema(jsonSchema, propertyName);
+    } else if (type == "string") {
+      return StringSchema(jsonSchema, propertyName);
+    } else if (["lastOverlayedGeometries", "affinities"]
+        .contains(propertyName)) {
+      // lastOverlayedGeometries actually has "types" = [null, "array"],
+      // but we can just use an empty array instead of honouring that null
+      jsonSchema["type"] = "array";
+      return ArraySchema(jsonSchema, propertyName);
+    }
+
+    throw "fromJson: Unsupported type=${type}; propName=$propertyName; json=${jsonSchema}";
+  }
+
+  bool isObject() {
+    return type == "object";
+  }
+
+  bool isArray() {
+    return type == "array";
+  }
+
+  bool isInteger() {
+    return type == "integer";
+  }
+
+  bool isBoolean() {
+    return type == "boolean";
+  }
+
+  bool isNumber() {
+    return type == "number";
+  }
+
+  /// generates a sample matching this schema
+  dynamic generate() {
+    throw "Reimplement me!";
+  }
+}
+
+class IntegerSchema extends Schema {
+  List<int>? _possibleValues;
+  IntegerSchema(var jsonSchema, String propertyName)
+      : super(jsonSchema, propertyName) {
+    if (jsonSchema["enum"] != null)
+      _possibleValues = List<int>.from(jsonSchema["enum"]);
+  }
+
+  @override
+  dynamic generate() {
+    return _possibleValues == null
+        ? generateNumber(0, 1000)
+        : randomArrayElement(_possibleValues!);
+  }
+}
+
+class NumberSchema extends Schema {
+  NumberSchema(var jsonSchema, String propertyName)
+      : super(jsonSchema, propertyName);
+
+  @override
+  dynamic generate() {
+    // This is specific for KDDW
+    final dpiValues = [1, 1.5, 2, 3];
+    return randomArrayElement(dpiValues);
+  }
+}
+
+class BooleanSchema extends Schema {
+  BooleanSchema(var jsonSchema, String propertyName)
+      : super(jsonSchema, propertyName);
+
+  @override
+  dynamic generate() {
+    return generateNumber(0, 1) == 1;
+  }
+}
+
+class StringSchema extends Schema {
+  StringSchema(var jsonSchema, String propertyName)
+      : super(jsonSchema, propertyName);
+
+  @override
+  dynamic generate() {
+    _current_string_count++;
+    return "somestring$_current_string_count";
+  }
+}
+
+class ObjectSchema extends Schema {
+  late final List<String> required;
+  ObjectSchema(var jsonSchema, String propertyName)
+      : super(jsonSchema, propertyName) {
+    required = jsonSchema["required"] == null
+        ? []
+        : List.unmodifiable(jsonSchema["required"]);
+  }
+
+  List<Schema> properties() {
+    List<Schema> props = [];
+
+    Map<String, dynamic> propsJson = jsonSchema["properties"] ?? {};
+    for (var e in propsJson.entries) {
+      props.add(Schema.fromJson(e.value, e.key));
+    }
+
+    return props;
+  }
+
+  Schema? patternProperties() {
+    Map<String, dynamic> props = jsonSchema["patternProperties"] ?? {};
+    if (props.isNotEmpty) {
+      final String definition = props.entries.first.value["\$ref"];
+      return Fuzzer.self.schemaForDefinition(definition, propertyName);
+    }
+
+    return null;
+  }
+
+  @override
+  dynamic generate() {
+    var json = {};
+
+    for (final propSchema in properties()) {
+      if (propSchema.propertyName == "children") {
+        if (_current_children_recursion_depth ==
+            _current_children_max_recursion_depth) {
+          // "children" property can have children inside, we limit
+          // recursion here. Usually a layout has like max 3 or so of nesting
+          continue;
+        }
+
+        _current_children_recursion_depth++;
+      }
+
+      json[propSchema.propertyName] = propSchema.generate();
+    }
+
+    final Schema? _patternProps = patternProperties();
+    if (_patternProps != null) {
+      // TODO
+    }
+
+    return json;
+  }
+}
+
+class ArraySchema extends Schema {
+  Schema? _elementSchema;
+  List<Schema>? _elementsSchemas;
+  int? minItems;
+  int? maxItems;
+  ArraySchema(var jsonSchema, String propertyName)
+      : super(jsonSchema, propertyName) {
+    if (jsonSchema["items"] != null) {
+      _elementSchema =
+          Fuzzer.self.schemaForArray(jsonSchema["items"], propertyName);
+    } else if (jsonSchema["prefixItems"] != null) {
+      _elementsSchemas =
+          Fuzzer.self.schemasForArray(jsonSchema["prefixItems"], propertyName);
+    } else {
+      throw "Expected items/prefixItems specification in array. name=$propertyName , json=${jsonSchema}";
+    }
+
+    minItems = jsonSchema["minItems"];
+    maxItems = jsonSchema["maxItems"];
+  }
+
+  @override
+  dynamic generate() {
+    final int min = minItems ?? 0;
+    final int max = maxItems ?? (min + 10);
+
+    final int numElements = generateNumber(min, max);
+
+    var result = [];
+
+    for (int i = 0; i < numElements; ++i) {
+      result.add(elementSchema(i).generate());
+    }
+
+    return result;
+  }
+
+  Schema elementSchema(int indexHint) {
+    if (_elementSchema != null) return _elementSchema!;
+    if (indexHint < _elementsSchemas!.length)
+      return _elementsSchemas![indexHint];
+    throw "Invalid index=$indexHint for ${_elementsSchemas}";
+  }
+}
+
+class Fuzzer {
+  final ObjectSchema schema;
+  late final definitions;
+  static late Fuzzer self;
+
+  Fuzzer(this.schema) {
+    self = this;
+    definitions = schema.jsonSchema["definitions"];
+    assert(schema.isObject());
+  }
+
+  dynamic run() {
+    dynamic json = {};
+
+    _current_children_recursion_depth = 0;
+    _current_children_max_recursion_depth = generateNumber(
+        _min_children_recursion_depth, _max_children_recursion_depth);
+
+    generate(schema, json);
+    return json;
+  }
+
+  Schema schemaForArray(var json, String propertyName) {
+    if (json["\$ref"] != null) {
+      return schemaForDefinition(json["\$ref"], propertyName);
+    } else if (json["type"] != null) {
+      return Schema.fromJson(json, propertyName);
+    } else {
+      throw "schemaForArray: Unknown schema for array";
+    }
+  }
+
+  List<Schema> schemasForArray(var json, String propertyName) {
+    List<Schema> schemas = [];
+    for (var element in json) {
+      final definition = element["\$ref"];
+      schemas.add(schemaForDefinition(definition, propertyName));
+    }
+
+    return schemas;
+  }
+
+  /// Receives a string like "#/definitions/lastOverlayedGeometry"
+  Schema schemaForDefinition(String definitionRef, String propertyName) {
+    final prefix = "#/definitions/";
+    if (!definitionRef.startsWith(prefix))
+      throw "Invalid definition ref $definitionRef";
+    definitionRef = definitionRef.replaceAll(prefix, "");
+    final json = definitions[definitionRef];
+    return Schema.fromJson(json, propertyName);
+  }
+
+  void generate(ObjectSchema currentSchema, dynamic generatedJson) {
+    for (var p in currentSchema.properties()) {
+      if (p.propertyName.isEmpty) {
+        throw "Empty prop name";
+      } else {
+        generatedJson[p.propertyName] = p.generate();
+      }
+    }
+  }
+}
+
+main(List<String> args) {
+  if (args.length != 1) {
+    print("Expected layout schema filename");
+    return;
+  }
+
+  final schemaStr = File(args.first).readAsStringSync();
+  final jsonSchema = jsonDecode(schemaStr);
+  final fuzzer = Fuzzer(ObjectSchema(jsonSchema, ""));
+  final result = fuzzer.run();
+
+  JsonEncoder encoder = new JsonEncoder.withIndent('  ');
+  String prettyprint = encoder.convert(result);
+  print(prettyprint);
+}
--- a/3rdparty/kddockwidgets/tests/layouts/1.6layoutWithoutFloatingWindowFlags.json
+++ b/3rdparty/kddockwidgets/tests/layouts/1.6layoutWithoutFloatingWindowFlags.json
@@ -0,0 +1,133 @@
+{
+    "allDockWidgets": [
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "indexOfFloatingWindow": 0,
+                        "isFloatingWindow": true,
+                        "itemIndex": 0
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "1"
+        }
+    ],
+    "closedDockWidgets": [
+    ],
+    "floatingWindows": [
+        {
+            "geometry": {
+                "height": 129,
+                "width": 400,
+                "x": 0,
+                "y": 0
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "1": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "1"
+                        ],
+                        "geometry": {
+                            "height": 90,
+                            "width": 392,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "1",
+                        "isNull": false,
+                        "mainWindowUniqueName": "",
+                        "objectName": "1",
+                        "options": 0
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "guestId": "1",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "objectName": "1",
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 90,
+                                    "width": 392,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSize": {
+                                    "height": 90,
+                                    "width": 524291
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 84
+                                }
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "objectName": "",
+                    "orientation": 2,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 90,
+                            "width": 392,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSize": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        }
+                    }
+                }
+            },
+            "normalGeometry": {
+                "height": 129,
+                "width": 400,
+                "x": 0,
+                "y": 0
+            },
+            "parentIndex": -1,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 600,
+                "width": 800
+            },
+            "windowState": 0
+        }
+    ],
+    "mainWindows": [
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1,
+            "geometry": {
+                "height": 600,
+                "width": 800,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": ""
+        }
+    ],
+    "serializationVersion": 3
+}
--- a/3rdparty/kddockwidgets/tests/layouts/invalid.json
+++ b/3rdparty/kddockwidgets/tests/layouts/invalid.json
@@ -0,0 +1,695 @@
+{
+    "allDockWidgets": [
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-27"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-26"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-25"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-24"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 1,
+                        "mainWindowUniqueName": "MyMainWindow1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-0"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-23"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-22"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-21"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-20"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-19"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 0,
+                        "mainWindowUniqueName": "MyMainWindow1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-1"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-18"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-17"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 524,
+                    "width": 660,
+                    "x": 960,
+                    "y": 505
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-16"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-15"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-14"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-13"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-12"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-11"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-10"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-9"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-8"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-7"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-6"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-5"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-4"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-3"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-2"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                ],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "dock-28"
+        }
+    ],
+    "closedDockWidgets": [
+        "dock-27",
+        "dock-26",
+        "dock-25",
+        "dock-24",
+        "dock-23",
+        "dock-22",
+        "dock-21",
+        "dock-20",
+        "dock-19",
+        "dock-18",
+        "dock-17",
+        "dock-16",
+        "dock-15",
+        "dock-14",
+        "dock-13",
+        "dock-12",
+        "dock-11",
+        "dock-10",
+        "dock-9",
+        "dock-8",
+        "dock-7",
+        "dock-6",
+        "dock-5",
+        "dock-4",
+        "dock-3",
+        "dock-2",
+        "dock-28"
+    ],
+    "floatingWindows": [
+    ],
+    "mainWindows": [
+        {
+            "geometry": {
+                "height": 1360,
+                "width": 2560,
+                "x": 0,
+                "y": 27
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "anchors": [
+                    {
+                        "geometry": {
+                            "height": 0,
+                            "width": 2558,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "indexOfFollowee": -1,
+                        "indexOfFrom": 2,
+                        "indexOfTo": 3,
+                        "objectName": "top",
+                        "orientation": 1,
+                        "positionPercentage": 0,
+                        "side1Items": [
+                        ],
+                        "side2Items": [
+                            0,
+                            1
+                        ],
+                        "type": 4
+                    },
+                    {
+                        "geometry": {
+                            "height": 0,
+                            "width": 2558,
+                            "x": 0,
+                            "y": 1224
+                        },
+                        "indexOfFollowee": -1,
+                        "indexOfFrom": 2,
+                        "indexOfTo": 3,
+                        "objectName": "bottom",
+                        "orientation": 1,
+                        "positionPercentage": 0,
+                        "side1Items": [
+                            0,
+                            1
+                        ],
+                        "side2Items": [
+                        ],
+                        "type": 8
+                    },
+                    {
+                        "geometry": {
+                            "height": 1224,
+                            "width": 0,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "indexOfFollowee": -1,
+                        "indexOfFrom": 0,
+                        "indexOfTo": 1,
+                        "objectName": "left",
+                        "orientation": 2,
+                        "positionPercentage": 0,
+                        "side1Items": [
+                        ],
+                        "side2Items": [
+                            0
+                        ],
+                        "type": 1
+                    },
+                    {
+                        "geometry": {
+                            "height": 1224,
+                            "width": 0,
+                            "x": 2558,
+                            "y": 0
+                        },
+                        "indexOfFollowee": -1,
+                        "indexOfFrom": 0,
+                        "indexOfTo": 1,
+                        "objectName": "right",
+                        "orientation": 2,
+                        "positionPercentage": 0,
+                        "side1Items": [
+                            1
+                        ],
+                        "side2Items": [
+                        ],
+                        "type": 2
+                    },
+                    {
+                        "geometry": {
+                            "height": 1224,
+                            "width": 5,
+                            "x": 1530,
+                            "y": 0
+                        },
+                        "indexOfFollowee": -1,
+                        "indexOfFrom": 0,
+                        "indexOfTo": 1,
+                        "objectName": "",
+                        "orientation": 2,
+                        "positionPercentage": 0.5981235340109461,
+                        "side1Items": [
+                            0
+                        ],
+                        "side2Items": [
+                            1
+                        ],
+                        "type": 0
+                    }
+                ],
+                "items": [
+                    {
+                        "frame": {
+                            "currentTabIndex": 0,
+                            "dockWidgets": [
+                                "dock-1"
+                            ],
+                            "geometry": {
+                                "height": 1224,
+                                "width": 1530,
+                                "x": 0,
+                                "y": 0
+                            },
+                            "isNull": false,
+                            "objectName": "dock-1",
+                            "options": 1
+                        },
+                        "geometry": {
+                            "height": 1224,
+                            "width": 1530,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "indexOfBottomAnchor": 1,
+                        "indexOfLeftAnchor": 2,
+                        "indexOfRightAnchor": 4,
+                        "indexOfTopAnchor": 0,
+                        "isPlaceholder": false,
+                        "minSize": {
+                            "height": 255,
+                            "width": 491
+                        },
+                        "objectName": "dock-1"
+                    },
+                    {
+                        "frame": {
+                            "currentTabIndex": 0,
+                            "dockWidgets": [
+                                "dock-0"
+                            ],
+                            "geometry": {
+                                "height": 1224,
+                                "width": 1023,
+                                "x": 1535,
+                                "y": 0
+                            },
+                            "isNull": false,
+                            "objectName": "dock-0",
+                            "options": 1
+                        },
+                        "geometry": {
+                            "height": 1224,
+                            "width": 1023,
+                            "x": 1535,
+                            "y": 0
+                        },
+                        "indexOfBottomAnchor": 1,
+                        "indexOfLeftAnchor": 4,
+                        "indexOfRightAnchor": 3,
+                        "indexOfTopAnchor": 0,
+                        "isPlaceholder": false,
+                        "minSize": {
+                            "height": 255,
+                            "width": 504
+                        },
+                        "objectName": "dock-0"
+                    }
+                ],
+                "minSize": {
+                    "height": 255,
+                    "width": 1000
+                },
+                "size": {
+                    "height": 1224,
+                    "width": 2558
+                }
+            },
+            "options": 0,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 1440,
+                "width": 2560
+            },
+            "uniqueName": "MyMainWindow1"
+        }
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1.5,
+            "geometry": {
+                "height": 1440,
+                "width": 2560,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": "DP-2"
+        }
+    ],
+    "serializationVersion": 3
+}
--- a/3rdparty/kddockwidgets/tests/layouts/invalidCurrentTab.json
+++ b/3rdparty/kddockwidgets/tests/layouts/invalidCurrentTab.json
--- a/3rdparty/kddockwidgets/tests/layouts/invalidPercentages.json
+++ b/3rdparty/kddockwidgets/tests/layouts/invalidPercentages.json
@@ -0,0 +1,733 @@
+{
+    "allDockWidgets": [
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 4,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "-persistentCentralDockWidget"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 5,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "_kddw_internal_dummy"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 0,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "_kddw_internal_dummy2"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 1,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_6"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 2,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_3"
+        },
+        {
+            "lastCloseReason": 1,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 10,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_4"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 6,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_7"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 7,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_2"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 3,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_0"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 11,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_8"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 8,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_5"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 9,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_1"
+        }
+    ],
+    "closedDockWidgets": [
+        "_kddw_internal_dummy",
+        "_kddw_internal_dummy2",
+        "dockwidget_tests_6",
+        "dockwidget_tests_3",
+        "dockwidget_tests_4",
+        "dockwidget_tests_7",
+        "dockwidget_tests_2",
+        "dockwidget_tests_8",
+        "dockwidget_tests_5",
+        "dockwidget_tests_1"
+    ],
+    "floatingWindows": [],
+    "mainWindows": [
+        {
+            "affinities": null,
+            "geometry": {
+                "height": 1001,
+                "width": 1920,
+                "x": 0,
+                "y": 29
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "4758": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dockwidget_tests_0"
+                        ],
+                        "geometry": {
+                            "height": 908,
+                            "width": 403,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "4758",
+                        "isNull": false,
+                        "mainWindowUniqueName": "mainWindowId1",
+                        "objectName": "dockwidget_tests_0",
+                        "options": 0
+                    },
+                    "9": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "-persistentCentralDockWidget"
+                        ],
+                        "geometry": {
+                            "height": 908,
+                            "width": 1510,
+                            "x": 408,
+                            "y": 0
+                        },
+                        "id": "9",
+                        "isNull": false,
+                        "mainWindowUniqueName": "mainWindowId1",
+                        "objectName": "-persistentCentralDockWidget",
+                        "options": 10
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "children": [
+                                {
+                                    "children": [
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 480,
+                                                    "width": 317,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 90,
+                                                    "width": 200,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 90,
+                                                    "width": 200,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "guestId": "4758",
+                                            "isContainer": false,
+                                            "isVisible": true,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 908,
+                                                    "width": 403,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524330,
+                                                    "width": 524293
+                                                },
+                                                "minSize": {
+                                                    "height": 143,
+                                                    "width": 106
+                                                },
+                                                "percentageWithinParent": 1.0
+                                            }
+                                        }
+                                    ],
+                                    "isContainer": true,
+                                    "isVisible": false,
+                                    "orientation": 2,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 908,
+                                            "width": 403,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 524330,
+                                            "width": 524293
+                                        },
+                                        "minSize": {
+                                            "height": 143,
+                                            "width": 106
+                                        },
+                                        "percentageWithinParent": 0.22066387872451647
+                                    }
+                                },
+                                {
+                                    "guestId": "9",
+                                    "isContainer": false,
+                                    "isVisible": true,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 908,
+                                            "width": 1510,
+                                            "x": 408,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 524287,
+                                            "width": 524293
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 166
+                                        },
+                                        "percentageWithinParent": 0.7893361212754836
+                                    }
+                                },
+                                {
+                                    "children": [
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 480,
+                                                    "width": 317,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 90,
+                                                    "width": 200,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 90,
+                                                    "width": 200,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 90,
+                                                    "width": 200,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 90,
+                                                    "width": 200,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        }
+                                    ],
+                                    "isContainer": true,
+                                    "isVisible": false,
+                                    "orientation": 2,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 0,
+                                            "width": 0,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 16777215,
+                                            "width": 16777215
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        },
+                                        "percentageWithinParent": 0.0
+                                    }
+                                }
+                            ],
+                            "isContainer": true,
+                            "isVisible": false,
+                            "orientation": 1,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 908,
+                                    "width": 1918,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 524287,
+                                    "width": 1048591
+                                },
+                                "minSize": {
+                                    "height": 143,
+                                    "width": 277
+                                },
+                                "percentageWithinParent": 1.0
+                            }
+                        },
+                        {
+                            "children": [
+                                {
+                                    "isContainer": false,
+                                    "isVisible": false,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 200,
+                                            "width": 1918,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 524227,
+                                            "width": 524236
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        },
+                                        "percentageWithinParent": 1.0
+                                    }
+                                },
+                                {
+                                    "isContainer": false,
+                                    "isVisible": false,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 200,
+                                            "width": 80,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 16777215,
+                                            "width": 16777215
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        },
+                                        "percentageWithinParent": 0.0
+                                    }
+                                }
+                            ],
+                            "isContainer": true,
+                            "isVisible": false,
+                            "orientation": 1,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 0,
+                                    "width": 0,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 80
+                                },
+                                "percentageWithinParent": 0.0
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "orientation": 2,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 908,
+                            "width": 1918,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSizeHint": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        },
+                        "percentageWithinParent": 0.0
+                    }
+                }
+            },
+            "normalGeometry": {
+                "height": 668,
+                "width": 956,
+                "x": 640,
+                "y": 275
+            },
+            "options": 5,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 1080,
+                "width": 1920
+            },
+            "uniqueName": "mainWindowId1",
+            "windowState": 2
+        }
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1.0,
+            "geometry": {
+                "height": 1080,
+                "width": 1920,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": "\\\\.\\DISPLAY1"
+        }
+    ],
+    "serializationVersion": 3
+}
--- a/3rdparty/kddockwidgets/tests/layouts/layoutEquallyCrash.json
+++ b/3rdparty/kddockwidgets/tests/layouts/layoutEquallyCrash.json
@@ -0,0 +1,279 @@
+{
+    "allDockWidgets": [
+        {
+            "affinities": [
+                "{7829427d-88e3-402e-9120-50c628dfd0bc}"
+            ],
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 2,
+                        "mainWindowUniqueName": "{7829427d-88e3-402e-9120-50c628dfd0bc}"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "Favorite-481"
+        },
+        {
+            "affinities": [
+                "{7829427d-88e3-402e-9120-50c628dfd0bc}"
+            ],
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 0,
+                        "mainWindowUniqueName": "{7829427d-88e3-402e-9120-50c628dfd0bc}"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "Favorite-482"
+        },
+        {
+            "affinities": [
+                "{7829427d-88e3-402e-9120-50c628dfd0bc}"
+            ],
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 1,
+                        "mainWindowUniqueName": "{7829427d-88e3-402e-9120-50c628dfd0bc}"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "Favorite-483"
+        }
+    ],
+    "closedDockWidgets": [
+    ],
+    "floatingWindows": [
+    ],
+    "mainWindows": [
+        {
+            "affinities": [
+                "{7829427d-88e3-402e-9120-50c628dfd0bc}"
+            ],
+            "geometry": {
+                "height": 1228,
+                "width": 1644,
+                "x": 501,
+                "y": 110
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "10": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "Favorite-483"
+                        ],
+                        "geometry": {
+                            "height": 1206,
+                            "width": 536,
+                            "x": 541,
+                            "y": 0
+                        },
+                        "id": "10",
+                        "isNull": false,
+                        "objectName": "Favorite-483",
+                        "options": 0
+                    },
+                    "12": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "Favorite-481"
+                        ],
+                        "geometry": {
+                            "height": 1206,
+                            "width": 540,
+                            "x": 1082,
+                            "y": 0
+                        },
+                        "id": "12",
+                        "isNull": false,
+                        "objectName": "Favorite-481",
+                        "options": 0
+                    },
+                    "9": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "Favorite-482"
+                        ],
+                        "geometry": {
+                            "height": 1206,
+                            "width": 536,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "9",
+                        "isNull": false,
+                        "objectName": "Favorite-482",
+                        "options": 0
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "children": [
+                                {
+                                    "guestId": "9",
+                                    "isContainer": false,
+                                    "isVisible": true,
+                                    "objectName": "Favorite-482",
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 1206,
+                                            "width": 536,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSize": {
+                                            "height": 524315,
+                                            "width": 524432
+                                        },
+                                        "minSize": {
+                                            "height": 118,
+                                            "width": 233
+                                        }
+                                    }
+                                },
+                                {
+                                    "guestId": "10",
+                                    "isContainer": false,
+                                    "isVisible": true,
+                                    "objectName": "Favorite-483",
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 1206,
+                                            "width": 536,
+                                            "x": 541,
+                                            "y": 0
+                                        },
+                                        "maxSize": {
+                                            "height": 524287,
+                                            "width": 524291
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 360
+                                        }
+                                    }
+                                },
+                                {
+                                    "guestId": "12",
+                                    "isContainer": false,
+                                    "isVisible": true,
+                                    "objectName": "Favorite-481",
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 1206,
+                                            "width": 540,
+                                            "x": 1082,
+                                            "y": 0
+                                        },
+                                        "maxSize": {
+                                            "height": 524317,
+                                            "width": 524291
+                                        },
+                                        "minSize": {
+                                            "height": 438,
+                                            "width": 540
+                                        }
+                                    }
+                                }
+                            ],
+                            "isContainer": true,
+                            "isVisible": false,
+                            "objectName": "",
+                            "orientation": 1,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 1206,
+                                    "width": 1622,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSize": {
+                                    "height": 524287,
+                                    "width": 1048728
+                                },
+                                "minSize": {
+                                    "height": 118,
+                                    "width": 598
+                                }
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "objectName": "",
+                    "orientation": 2,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 1206,
+                            "width": 1622,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSize": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        }
+                    }
+                }
+            },
+            "options": 0,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 1440,
+                "width": 2560
+            },
+            "uniqueName": "{7829427d-88e3-402e-9120-50c628dfd0bc}",
+            "windowState": 0
+        }
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1.5,
+            "geometry": {
+                "height": 1440,
+                "width": 2560,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": "DP-2"
+        }
+    ],
+    "serializationVersion": 3
+}
--- a/3rdparty/kddockwidgets/tests/layouts/minSizeChanges.json
+++ b/3rdparty/kddockwidgets/tests/layouts/minSizeChanges.json
@@ -0,0 +1,831 @@
+{
+    "allDockWidgets": [
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 4,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "-persistentCentralDockWidget"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 5,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "_kddw_internal_dummy"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 0,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "_kddw_internal_dummy2"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 2,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_6"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 1,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_3"
+        },
+        {
+            "lastCloseReason": 1,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 128,
+                    "width": 852,
+                    "x": 655,
+                    "y": 806
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 11,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_4"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [
+                    [
+                        2,
+                        {
+                            "height": 1130,
+                            "width": 300,
+                            "x": 1452,
+                            "y": 104
+                        }
+                    ]
+                ],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 9,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_7"
+        },
+        {
+            "lastCloseReason": 1,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [
+                    [
+                        2,
+                        {
+                            "height": 1158,
+                            "width": 300,
+                            "x": 1452,
+                            "y": 80
+                        }
+                    ]
+                ],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 8,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_2"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [
+                    [
+                        3,
+                        {
+                            "height": 655,
+                            "width": 300,
+                            "x": 32,
+                            "y": 57
+                        }
+                    ]
+                ],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 3,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_0"
+        },
+        {
+            "lastCloseReason": 1,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 10,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_8"
+        },
+        {
+            "lastCloseReason": 1,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 6,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_5"
+        },
+        {
+            "lastCloseReason": 1,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 7,
+                        "mainWindowUniqueName": "mainWindowId1"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "dockwidget_tests_1"
+        }
+    ],
+    "closedDockWidgets": [
+        "_kddw_internal_dummy",
+        "_kddw_internal_dummy2",
+        "dockwidget_tests_3",
+        "dockwidget_tests_8",
+        "dockwidget_tests_5",
+        "dockwidget_tests_1"
+    ],
+    "floatingWindows": [],
+    "mainWindows": [
+        {
+            "affinities": null,
+            "geometry": {
+                "height": 600,
+                "width": 875,
+                "x": 350,
+                "y": 226
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "1869": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dockwidget_tests_4"
+                        ],
+                        "geometry": {
+                            "height": 161,
+                            "width": 873,
+                            "x": 0,
+                            "y": 362
+                        },
+                        "id": "1869",
+                        "isNull": false,
+                        "mainWindowUniqueName": "mainWindowId1",
+                        "objectName": "dockwidget_tests_4",
+                        "options": 1
+                    },
+                    "1921": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dockwidget_tests_0"
+                        ],
+                        "geometry": {
+                            "height": 362,
+                            "width": 142,
+                            "x": 289,
+                            "y": 0
+                        },
+                        "id": "1921",
+                        "isNull": false,
+                        "mainWindowUniqueName": "mainWindowId1",
+                        "objectName": "dockwidget_tests_0",
+                        "options": 1
+                    },
+                    "1973": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dockwidget_tests_2"
+                        ],
+                        "geometry": {
+                            "height": 178,
+                            "width": 276,
+                            "x": 597,
+                            "y": 0
+                        },
+                        "id": "1973",
+                        "isNull": false,
+                        "mainWindowUniqueName": "mainWindowId1",
+                        "objectName": "dockwidget_tests_2",
+                        "options": 1
+                    },
+                    "2025": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dockwidget_tests_7"
+                        ],
+                        "geometry": {
+                            "height": 184,
+                            "width": 276,
+                            "x": 597,
+                            "y": 178
+                        },
+                        "id": "2025",
+                        "isNull": false,
+                        "mainWindowUniqueName": "mainWindowId1",
+                        "objectName": "dockwidget_tests_7",
+                        "options": 1
+                    },
+                    "2077": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dockwidget_tests_6"
+                        ],
+                        "geometry": {
+                            "height": 362,
+                            "width": 289,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "2077",
+                        "isNull": false,
+                        "mainWindowUniqueName": "mainWindowId1",
+                        "objectName": "dockwidget_tests_6",
+                        "options": 1
+                    },
+                    "9": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "-persistentCentralDockWidget"
+                        ],
+                        "geometry": {
+                            "height": 362,
+                            "width": 166,
+                            "x": 431,
+                            "y": 0
+                        },
+                        "id": "9",
+                        "isNull": false,
+                        "mainWindowUniqueName": "mainWindowId1",
+                        "objectName": "-persistentCentralDockWidget",
+                        "options": 10
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "children": [
+                                {
+                                    "children": [
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 480,
+                                                    "width": 317,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 344,
+                                                    "width": 412,
+                                                    "x": 0,
+                                                    "y": 214
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524078,
+                                                    "width": 524115
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "children": [
+                                                {
+                                                    "guestId": "2077",
+                                                    "isContainer": false,
+                                                    "isVisible": true,
+                                                    "sizingInfo": {
+                                                        "geometry": {
+                                                            "height": 362,
+                                                            "width": 289,
+                                                            "x": 0,
+                                                            "y": 0
+                                                        },
+                                                        "maxSizeHint": {
+                                                            "height": 524350,
+                                                            "width": 524329
+                                                        },
+                                                        "minSize": {
+                                                            "height": 362,
+                                                            "width": 289
+                                                        },
+                                                        "percentageWithinParent": 0.23746918652423993
+                                                    }
+                                                },
+                                                {
+                                                    "guestId": "1921",
+                                                    "isContainer": false,
+                                                    "isVisible": true,
+                                                    "sizingInfo": {
+                                                        "geometry": {
+                                                            "height": 362,
+                                                            "width": 142,
+                                                            "x": 289,
+                                                            "y": 0
+                                                        },
+                                                        "maxSizeHint": {
+                                                            "height": 524350,
+                                                            "width": 524329
+                                                        },
+                                                        "minSize": {
+                                                            "height": 163,
+                                                            "width": 142
+                                                        },
+                                                        "percentageWithinParent": 0.76253081347576
+                                                    }
+                                                }
+                                            ],
+                                            "isContainer": true,
+                                            "isVisible": false,
+                                            "orientation": 1,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 362,
+                                                    "width": 431,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524350,
+                                                    "width": 1048658
+                                                },
+                                                "minSize": {
+                                                    "height": 362,
+                                                    "width": 431
+                                                },
+                                                "percentageWithinParent": 1.0
+                                            }
+                                        }
+                                    ],
+                                    "isContainer": true,
+                                    "isVisible": false,
+                                    "orientation": 2,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 362,
+                                            "width": 431,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 524350,
+                                            "width": 1048658
+                                        },
+                                        "minSize": {
+                                            "height": 362,
+                                            "width": 431
+                                        },
+                                        "percentageWithinParent": 0.733574442435202
+                                    }
+                                },
+                                {
+                                    "guestId": "9",
+                                    "isContainer": false,
+                                    "isVisible": true,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 362,
+                                            "width": 166,
+                                            "x": 431,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 524287,
+                                            "width": 524293
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 166
+                                        },
+                                        "percentageWithinParent": 0.10006027727546715
+                                    }
+                                },
+                                {
+                                    "children": [
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 480,
+                                                    "width": 317,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 16777215,
+                                                    "width": 16777215
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 305,
+                                                    "width": 643,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524123,
+                                                    "width": 524272
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 615,
+                                                    "width": 643,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524123,
+                                                    "width": 524272
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        },
+                                        {
+                                            "guestId": "1973",
+                                            "isContainer": false,
+                                            "isVisible": true,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 178,
+                                                    "width": 276,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524322,
+                                                    "width": 524329
+                                                },
+                                                "minSize": {
+                                                    "height": 125,
+                                                    "width": 274
+                                                },
+                                                "percentageWithinParent": 0.4926739926739927
+                                            }
+                                        },
+                                        {
+                                            "guestId": "2025",
+                                            "isContainer": false,
+                                            "isVisible": true,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 184,
+                                                    "width": 276,
+                                                    "x": 0,
+                                                    "y": 178
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524322,
+                                                    "width": 524329
+                                                },
+                                                "minSize": {
+                                                    "height": 125,
+                                                    "width": 276
+                                                },
+                                                "percentageWithinParent": 0.5073260073260073
+                                            }
+                                        }
+                                    ],
+                                    "isContainer": true,
+                                    "isVisible": false,
+                                    "orientation": 2,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 362,
+                                            "width": 276,
+                                            "x": 597,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 1048644,
+                                            "width": 524329
+                                        },
+                                        "minSize": {
+                                            "height": 250,
+                                            "width": 276
+                                        },
+                                        "percentageWithinParent": 0.16636528028933092
+                                    }
+                                }
+                            ],
+                            "isContainer": true,
+                            "isVisible": false,
+                            "orientation": 1,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 362,
+                                    "width": 873,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 524287,
+                                    "width": 2097280
+                                },
+                                "minSize": {
+                                    "height": 362,
+                                    "width": 873
+                                },
+                                "percentageWithinParent": 0.7722772277227723
+                            }
+                        },
+                        {
+                            "isContainer": false,
+                            "isVisible": false,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 210,
+                                    "width": 1750,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 16777215,
+                                    "width": 524287
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 80
+                                },
+                                "percentageWithinParent": 0.0
+                            }
+                        },
+                        {
+                            "guestId": "1869",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 161,
+                                    "width": 873,
+                                    "x": 0,
+                                    "y": 362
+                                },
+                                "maxSizeHint": {
+                                    "height": 524350,
+                                    "width": 524329
+                                },
+                                "minSize": {
+                                    "height": 161,
+                                    "width": 165
+                                },
+                                "percentageWithinParent": 0.22772277227722773
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "orientation": 2,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 523,
+                            "width": 873,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSizeHint": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        },
+                        "percentageWithinParent": 0.0
+                    }
+                }
+            },
+            "normalGeometry": {
+                "height": 600,
+                "width": 875,
+                "x": 350,
+                "y": 226
+            },
+            "options": 5,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 900,
+                "width": 1440
+            },
+            "uniqueName": "mainWindowId1",
+            "windowState": 0
+        }
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1.0,
+            "geometry": {
+                "height": 900,
+                "width": 1440,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": "\\\\.\\DISPLAY273"
+        }
+    ],
+    "serializationVersion": 3
+}
--- a/3rdparty/kddockwidgets/tests/layouts/minimizeBug.json
+++ b/3rdparty/kddockwidgets/tests/layouts/minimizeBug.json
@@ -0,0 +1,370 @@
+{
+    "allDockWidgets": [
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 1,
+                        "mainWindowUniqueName": "MyMainLayout"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock4"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "indexOfFloatingWindow": 0,
+                        "isFloatingWindow": true,
+                        "itemIndex": 0
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "Dock #1"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 800,
+                    "width": 800,
+                    "x": 100,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 0,
+                        "mainWindowUniqueName": "MyMainLayout"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "Dock #2"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "indexOfFloatingWindow": 0,
+                        "isFloatingWindow": true,
+                        "itemIndex": 1
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "Dock #3"
+        }
+    ],
+    "closedDockWidgets": null,
+    "floatingWindows": [
+        {
+            "flags": 1410,
+            "geometry": {
+                "height": 800,
+                "width": 800,
+                "x": 337,
+                "y": 242
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "1163": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "Dock #3"
+                        ],
+                        "geometry": {
+                            "height": 742,
+                            "width": 394,
+                            "x": 398,
+                            "y": 0
+                        },
+                        "id": "1163",
+                        "isNull": false,
+                        "mainWindowUniqueName": "",
+                        "objectName": "Dock #3",
+                        "options": 0
+                    },
+                    "1198": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "Dock #1"
+                        ],
+                        "geometry": {
+                            "height": 742,
+                            "width": 393,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "1198",
+                        "isNull": false,
+                        "mainWindowUniqueName": "",
+                        "objectName": "Dock #1",
+                        "options": 0
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "guestId": "1198",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 742,
+                                    "width": 393,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 143,
+                                    "width": 80
+                                },
+                                "percentageWithinParent": 0.4993646759847522
+                            }
+                        },
+                        {
+                            "guestId": "1163",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 742,
+                                    "width": 394,
+                                    "x": 398,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 143,
+                                    "width": 80
+                                },
+                                "percentageWithinParent": 0.5006353240152478
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "orientation": 1,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 742,
+                            "width": 792,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSizeHint": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        },
+                        "percentageWithinParent": 0.0
+                    }
+                }
+            },
+            "normalGeometry": {
+                "height": 800,
+                "width": 800,
+                "x": 337,
+                "y": 242
+            },
+            "parentIndex": -1,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 1600,
+                "width": 2560
+            },
+            "windowState": 0
+        }
+    ],
+    "mainWindows": [
+        {
+            "affinities": null,
+            "geometry": {
+                "height": 800,
+                "width": 1000,
+                "x": 1244,
+                "y": 271
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "1025": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "Dock #2"
+                        ],
+                        "geometry": {
+                            "height": 397,
+                            "width": 1000,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "1025",
+                        "isNull": false,
+                        "mainWindowUniqueName": "MyMainLayout",
+                        "objectName": "Dock #2",
+                        "options": 0
+                    },
+                    "1049": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dock4"
+                        ],
+                        "geometry": {
+                            "height": 398,
+                            "width": 1000,
+                            "x": 0,
+                            "y": 402
+                        },
+                        "id": "1049",
+                        "isNull": false,
+                        "mainWindowUniqueName": "MyMainLayout",
+                        "objectName": "dock4",
+                        "options": 0
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "guestId": "1025",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 397,
+                                    "width": 1000,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 143,
+                                    "width": 80
+                                },
+                                "percentageWithinParent": 0.49937106918238994
+                            }
+                        },
+                        {
+                            "guestId": "1049",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 398,
+                                    "width": 1000,
+                                    "x": 0,
+                                    "y": 402
+                                },
+                                "maxSizeHint": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 143,
+                                    "width": 80
+                                },
+                                "percentageWithinParent": 0.5006289308176101
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "orientation": 2,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 800,
+                            "width": 1000,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSizeHint": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        },
+                        "percentageWithinParent": 0.0
+                    }
+                }
+            },
+            "normalGeometry": {
+                "height": 0,
+                "width": 0,
+                "x": 0,
+                "y": 0
+            },
+            "options": 0,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 1600,
+                "width": 2560
+            },
+            "uniqueName": "MyMainLayout",
+            "windowState": 0
+        }
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1.0,
+            "geometry": {
+                "height": 1600,
+                "width": 2560,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": "\\\\.\\DISPLAY1"
+        }
+    ],
+    "serializationVersion": 3
+}
--- a/3rdparty/kddockwidgets/tests/layouts/nlohman_exception.json
+++ b/3rdparty/kddockwidgets/tests/layouts/nlohman_exception.json
--- a/3rdparty/kddockwidgets/tests/layouts/overlapping-item.json
+++ b/3rdparty/kddockwidgets/tests/layouts/overlapping-item.json
@@ -0,0 +1,184 @@
+{
+    "allDockWidgets": [
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 1,
+                        "mainWindowUniqueName": "MyMainWindow1"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-0"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 0,
+                        "mainWindowUniqueName": "MyMainWindow1"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-1"
+        }
+    ],
+    "closedDockWidgets": [
+    ],
+    "floatingWindows": [
+    ],
+    "mainWindows": [
+        {
+            "geometry": {
+                "height": 500,
+                "width": 800,
+                "x": 2,
+                "y": 2
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "106377750317632": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dock-0"
+                        ],
+                        "geometry": {
+                            "height": 494,
+                            "width": 397,
+                            "x": 401,
+                            "y": 0
+                        },
+                        "id": "106377750317632",
+                        "isNull": false,
+                        "objectName": "dock-0",
+                        "options": 0
+                    },
+                    "106377750324352": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dock-1"
+                        ],
+                        "geometry": {
+                            "height": 494,
+                            "width": 396,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "106377750324352",
+                        "isNull": false,
+                        "objectName": "dock-1",
+                        "options": 0
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "guestId": "106377750324352",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "objectName": "dock-1",
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 494,
+                                    "width": 396,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSize": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 84
+                                }
+                            }
+                        },
+                        {
+                            "guestId": "106377750317632",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "objectName": "dock-0",
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 494,
+                                    "width": 397,
+                                    "x": 400,
+                                    "y": 0
+                                },
+                                "maxSize": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 84
+                                }
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "objectName": "",
+                    "orientation": 1,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 494,
+                            "width": 798,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSize": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        }
+                    }
+                }
+            },
+            "options": 0,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 600,
+                "width": 800
+            },
+            "uniqueName": "MyMainWindow1"
+        }
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1,
+            "geometry": {
+                "height": 600,
+                "width": 800,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": ""
+        }
+    ],
+    "serializationVersion": 3
+}
--- a/3rdparty/kddockwidgets/tests/layouts/restoreWithIncompleteFactory.json
+++ b/3rdparty/kddockwidgets/tests/layouts/restoreWithIncompleteFactory.json
--- a/3rdparty/kddockwidgets/tests/layouts/sidebar_restore.json
+++ b/3rdparty/kddockwidgets/tests/layouts/sidebar_restore.json
@@ -0,0 +1,447 @@
+{
+    "allDockWidgets": [
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 1,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "DockWidget #0"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 2,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "DockWidget #1"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [
+                    [
+                        3,
+                        {
+                            "height": 1171,
+                            "width": 300,
+                            "x": 32,
+                            "y": 26
+                        }
+                    ]
+                ],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 0,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "DockWidget #2"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 3,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "DockWidget #3"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 4,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "DockWidget #4"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 3,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "DockWidget #5"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "DockWidget #6"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [],
+                "tabIndex": 0,
+                "wasFloating": false
+            },
+            "uniqueName": "DockWidget #7"
+        },
+        {
+            "lastCloseReason": 0,
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 599,
+                    "width": 598,
+                    "x": 100,
+                    "y": 100
+                },
+                "lastOverlayedGeometries": [],
+                "placeholders": [],
+                "tabIndex": 0,
+                "wasFloating": true
+            },
+            "uniqueName": "DockWidget #8"
+        }
+    ],
+    "closedDockWidgets": [
+        "DockWidget #1",
+        "DockWidget #2",
+        "DockWidget #3",
+        "DockWidget #4",
+        "DockWidget #5",
+        "DockWidget #6",
+        "DockWidget #7",
+        "DockWidget #8"
+    ],
+    "floatingWindows": [],
+    "mainWindows": [
+        {
+            "affinities": null,
+            "geometry": {
+                "height": 1197,
+                "width": 1197,
+                "x": 700,
+                "y": 93
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "13505": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "DockWidget #0"
+                        ],
+                        "geometry": {
+                            "height": 1169,
+                            "width": 1165,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "13505",
+                        "isNull": false,
+                        "mainWindowUniqueName": "MyMainWindow",
+                        "objectName": "DockWidget #0",
+                        "options": 0
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "isContainer": false,
+                            "isVisible": false,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 1170,
+                                    "width": 618,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 524287,
+                                    "width": 524287
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 80
+                                },
+                                "percentageWithinParent": 0.0
+                            }
+                        },
+                        {
+                            "children": [
+                                {
+                                    "children": [
+                                        {
+                                            "guestId": "13505",
+                                            "isContainer": false,
+                                            "isVisible": true,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 1169,
+                                                    "width": 1165,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524287,
+                                                    "width": 524287
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 1.0
+                                            }
+                                        },
+                                        {
+                                            "isContainer": false,
+                                            "isVisible": false,
+                                            "sizingInfo": {
+                                                "geometry": {
+                                                    "height": 387,
+                                                    "width": 1167,
+                                                    "x": 0,
+                                                    "y": 0
+                                                },
+                                                "maxSizeHint": {
+                                                    "height": 524287,
+                                                    "width": 524287
+                                                },
+                                                "minSize": {
+                                                    "height": 90,
+                                                    "width": 80
+                                                },
+                                                "percentageWithinParent": 0.0
+                                            }
+                                        }
+                                    ],
+                                    "isContainer": true,
+                                    "isVisible": false,
+                                    "orientation": 1,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 1169,
+                                            "width": 1165,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 524287,
+                                            "width": 524287
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        },
+                                        "percentageWithinParent": 1.0
+                                    }
+                                },
+                                {
+                                    "isContainer": false,
+                                    "isVisible": false,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 1171,
+                                            "width": 1167,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 524287,
+                                            "width": 524287
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        },
+                                        "percentageWithinParent": 0.0
+                                    }
+                                },
+                                {
+                                    "isContainer": false,
+                                    "isVisible": false,
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 387,
+                                            "width": 1167,
+                                            "x": 0,
+                                            "y": 784
+                                        },
+                                        "maxSizeHint": {
+                                            "height": 524287,
+                                            "width": 524287
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        },
+                                        "percentageWithinParent": 0.0
+                                    }
+                                }
+                            ],
+                            "isContainer": true,
+                            "isVisible": false,
+                            "orientation": 2,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 1169,
+                                    "width": 1165,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSizeHint": {
+                                    "height": 524287,
+                                    "width": 524287
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 80
+                                },
+                                "percentageWithinParent": 1.0
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "orientation": 1,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 1169,
+                            "width": 1165,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSizeHint": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        },
+                        "percentageWithinParent": 0.0
+                    }
+                }
+            },
+            "normalGeometry": {
+                "height": 1197,
+                "width": 1197,
+                "x": 700,
+                "y": 93
+            },
+            "options": 0,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 1440,
+                "width": 2560
+            },
+            "sidebar-3": [
+                "DockWidget #2"
+            ],
+            "uniqueName": "MyMainWindow",
+            "windowState": 0
+        }
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1.5,
+            "geometry": {
+                "height": 1440,
+                "width": 2560,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": "HDMI-A-0"
+        }
+    ],
+    "serializationVersion": 3
+}
--- a/3rdparty/kddockwidgets/tests/layouts/stuck-separator.json
+++ b/3rdparty/kddockwidgets/tests/layouts/stuck-separator.json
--- a/3rdparty/kddockwidgets/tests/layouts/unsupported-serialization-version.json
+++ b/3rdparty/kddockwidgets/tests/layouts/unsupported-serialization-version.json
@@ -0,0 +1,583 @@
+{
+    "allDockWidgets": [
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 1,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-0"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 2,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-1"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 0,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-2"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 3,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-3"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 4,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-4"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "isFloatingWindow": false,
+                        "itemIndex": 3,
+                        "mainWindowUniqueName": "MyMainWindow"
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-5"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "indexOfFloatingWindow": 0,
+                        "isFloatingWindow": true,
+                        "itemIndex": 0
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-6"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "indexOfFloatingWindow": 0,
+                        "isFloatingWindow": true,
+                        "itemIndex": 0
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-7"
+        },
+        {
+            "lastPosition": {
+                "lastFloatingGeometry": {
+                    "height": 0,
+                    "width": 0,
+                    "x": 0,
+                    "y": 0
+                },
+                "placeholders": [
+                    {
+                        "indexOfFloatingWindow": 0,
+                        "isFloatingWindow": true,
+                        "itemIndex": 1
+                    }
+                ],
+                "tabIndex": -1,
+                "wasFloating": false
+            },
+            "uniqueName": "dock-8"
+        }
+    ],
+    "closedDockWidgets": [
+    ],
+    "floatingWindows": [
+        {
+            "geometry": {
+                "height": 600,
+                "width": 600,
+                "x": 100,
+                "y": 100
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "94168333621328": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dock-8"
+                        ],
+                        "geometry": {
+                            "height": 467,
+                            "width": 592,
+                            "x": 0,
+                            "y": 95
+                        },
+                        "id": "94168333621328",
+                        "isNull": false,
+                        "objectName": "dock-8",
+                        "options": 0
+                    },
+                    "94168334653184": {
+                        "currentTabIndex": 1,
+                        "dockWidgets": [
+                            "dock-6",
+                            "dock-7"
+                        ],
+                        "geometry": {
+                            "height": 90,
+                            "width": 592,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "94168334653184",
+                        "isNull": false,
+                        "objectName": "dock-7",
+                        "options": 0
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "guestId": "94168334653184",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "objectName": "dock-7",
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 90,
+                                    "width": 592,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSize": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 143
+                                }
+                            }
+                        },
+                        {
+                            "guestId": "94168333621328",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "objectName": "dock-8",
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 467,
+                                    "width": 592,
+                                    "x": 0,
+                                    "y": 95
+                                },
+                                "maxSize": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 80
+                                }
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "objectName": "",
+                    "orientation": 2,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 562,
+                            "width": 592,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSize": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        }
+                    }
+                }
+            },
+            "parentIndex": 0,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 2160,
+                "width": 3840
+            }
+        }
+    ],
+    "mainWindows": [
+        {
+            "geometry": {
+                "height": 1200,
+                "width": 1200,
+                "x": 0,
+                "y": 878
+            },
+            "isVisible": true,
+            "multiSplitterLayout": {
+                "frames": {
+                    "94168332311760": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dock-2"
+                        ],
+                        "geometry": {
+                            "height": 383,
+                            "width": 396,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "id": "94168332311760",
+                        "isNull": false,
+                        "objectName": "dock-2",
+                        "options": 0
+                    },
+                    "94168332636896": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dock-1"
+                        ],
+                        "geometry": {
+                            "height": 383,
+                            "width": 396,
+                            "x": 802,
+                            "y": 0
+                        },
+                        "id": "94168332636896",
+                        "isNull": false,
+                        "objectName": "dock-1",
+                        "options": 0
+                    },
+                    "94168333324544": {
+                        "currentTabIndex": 1,
+                        "dockWidgets": [
+                            "dock-3",
+                            "dock-5"
+                        ],
+                        "geometry": {
+                            "height": 383,
+                            "width": 1198,
+                            "x": 0,
+                            "y": 388
+                        },
+                        "id": "94168333324544",
+                        "isNull": false,
+                        "objectName": "dock-5",
+                        "options": 0
+                    },
+                    "94168333701568": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dock-4"
+                        ],
+                        "geometry": {
+                            "height": 385,
+                            "width": 1198,
+                            "x": 0,
+                            "y": 776
+                        },
+                        "id": "94168333701568",
+                        "isNull": false,
+                        "objectName": "dock-4",
+                        "options": 0
+                    },
+                    "94168334171936": {
+                        "currentTabIndex": 0,
+                        "dockWidgets": [
+                            "dock-0"
+                        ],
+                        "geometry": {
+                            "height": 383,
+                            "width": 396,
+                            "x": 401,
+                            "y": 0
+                        },
+                        "id": "94168334171936",
+                        "isNull": false,
+                        "objectName": "dock-0",
+                        "options": 0
+                    }
+                },
+                "layout": {
+                    "children": [
+                        {
+                            "children": [
+                                {
+                                    "guestId": "94168332311760",
+                                    "isContainer": false,
+                                    "isVisible": true,
+                                    "objectName": "dock-2",
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 383,
+                                            "width": 396,
+                                            "x": 0,
+                                            "y": 0
+                                        },
+                                        "maxSize": {
+                                            "height": 16777215,
+                                            "width": 16777215
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        }
+                                    }
+                                },
+                                {
+                                    "guestId": "94168334171936",
+                                    "isContainer": false,
+                                    "isVisible": true,
+                                    "objectName": "dock-0",
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 383,
+                                            "width": 396,
+                                            "x": 401,
+                                            "y": 0
+                                        },
+                                        "maxSize": {
+                                            "height": 16777215,
+                                            "width": 16777215
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        }
+                                    }
+                                },
+                                {
+                                    "guestId": "94168332636896",
+                                    "isContainer": false,
+                                    "isVisible": true,
+                                    "objectName": "dock-1",
+                                    "sizingInfo": {
+                                        "geometry": {
+                                            "height": 383,
+                                            "width": 396,
+                                            "x": 802,
+                                            "y": 0
+                                        },
+                                        "maxSize": {
+                                            "height": 16777215,
+                                            "width": 16777215
+                                        },
+                                        "minSize": {
+                                            "height": 90,
+                                            "width": 80
+                                        }
+                                    }
+                                }
+                            ],
+                            "isContainer": true,
+                            "isVisible": false,
+                            "objectName": "",
+                            "orientation": 1,
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 383,
+                                    "width": 1198,
+                                    "x": 0,
+                                    "y": 0
+                                },
+                                "maxSize": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 250
+                                }
+                            }
+                        },
+                        {
+                            "guestId": "94168333324544",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "objectName": "dock-5",
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 383,
+                                    "width": 1198,
+                                    "x": 0,
+                                    "y": 388
+                                },
+                                "maxSize": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 143
+                                }
+                            }
+                        },
+                        {
+                            "guestId": "94168333701568",
+                            "isContainer": false,
+                            "isVisible": true,
+                            "objectName": "dock-4",
+                            "sizingInfo": {
+                                "geometry": {
+                                    "height": 385,
+                                    "width": 1198,
+                                    "x": 0,
+                                    "y": 776
+                                },
+                                "maxSize": {
+                                    "height": 16777215,
+                                    "width": 16777215
+                                },
+                                "minSize": {
+                                    "height": 90,
+                                    "width": 80
+                                }
+                            }
+                        }
+                    ],
+                    "isContainer": true,
+                    "isVisible": false,
+                    "objectName": "",
+                    "orientation": 2,
+                    "sizingInfo": {
+                        "geometry": {
+                            "height": 1161,
+                            "width": 1198,
+                            "x": 0,
+                            "y": 0
+                        },
+                        "maxSize": {
+                            "height": 16777215,
+                            "width": 16777215
+                        },
+                        "minSize": {
+                            "height": 90,
+                            "width": 80
+                        }
+                    }
+                }
+            },
+            "options": 0,
+            "screenIndex": 0,
+            "screenSize": {
+                "height": 2160,
+                "width": 3840
+            },
+            "uniqueName": "MyMainWindow1"
+        }
+    ],
+    "screenInfo": [
+        {
+            "devicePixelRatio": 1,
+            "geometry": {
+                "height": 2160,
+                "width": 3840,
+                "x": 0,
+                "y": 0
+            },
+            "index": 0,
+            "name": "DP-2"
+        }
+    ],
+    "serializationVersion": 1
+}
--- a/3rdparty/kddockwidgets/tests/linter.json
+++ b/3rdparty/kddockwidgets/tests/linter.json
@@ -0,0 +1,13 @@
+{
+    "files": [
+        "layouts/overlapping-item.json"
+    ],
+    "mainWindows": [
+        {
+            "name": "MainWindow1",
+            "options": 0,
+            "maximize": true
+        }
+    ],
+    "restoreOptions": 0
+}
--- a/3rdparty/kddockwidgets/tests/main.qml
+++ b/3rdparty/kddockwidgets/tests/main.qml
@@ -0,0 +1,18 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+import QtQuick 2.9
+
+Item {
+    id: root
+    anchors.fill: parent
+    objectName: "main.qml"
+}
--- a/3rdparty/kddockwidgets/tests/main2.qml
+++ b/3rdparty/kddockwidgets/tests/main2.qml
@@ -0,0 +1,30 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sergio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+/// @brief A more involved QtQuick example for the tests
+/// Copied from examples, but fine for tests too
+
+import QtQuick 2.6
+import QtQuick.Controls 2.12
+import com.kdab.dockwidgets 2.0 as KDDW
+
+ApplicationWindow {
+    visible: true
+    width: 1000
+    height: 800
+
+    KDDW.DockingArea {
+        anchors.fill: parent
+
+        // Each main layout needs a unique id
+        uniqueName: "MyWindowName-1"
+    }
+}
--- a/3rdparty/kddockwidgets/tests/main343.qml
+++ b/3rdparty/kddockwidgets/tests/main343.qml
@@ -0,0 +1,32 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sergio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+
+import QtQuick 2.6
+import QtQuick.Controls 2.12
+import com.kdab.dockwidgets 2.0 as KDDW
+
+ApplicationWindow {
+    visible: true
+    width: 1000
+    height: 800
+
+    Item {
+        id: someParent
+        visible: false
+
+        KDDW.DockingArea {
+            visible: true
+            anchors.fill: parent
+            uniqueName: "MyWindowName-1"
+        }
+    }
+}
--- a/3rdparty/kddockwidgets/tests/main343_2.qml
+++ b/3rdparty/kddockwidgets/tests/main343_2.qml
@@ -0,0 +1,32 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sergio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+
+import QtQuick 2.6
+import QtQuick.Controls 2.12
+import com.kdab.dockwidgets 2.0 as KDDW
+
+ApplicationWindow {
+    visible: true
+    width: 1000
+    height: 800
+
+    Item {
+        id: someParent
+        visible: true
+
+        KDDW.DockingArea {
+            visible: true
+            anchors.fill: parent
+            uniqueName: "MyWindowName-1"
+        }
+    }
+}
--- a/3rdparty/kddockwidgets/tests/main350.qml
+++ b/3rdparty/kddockwidgets/tests/main350.qml
@@ -0,0 +1,55 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sergio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+
+import QtQuick 2.6
+import QtQuick.Controls 2.12
+import com.kdab.dockwidgets 2.0 as KDDW
+
+ApplicationWindow {
+    visible: true
+    width: 1000
+    height: 800
+
+    footer: Label {
+        text: "dock 4 is floating: " + dock4.isFloating
+    }
+
+    KDDW.DockingArea {
+        anchors.fill: parent
+
+        // Each main layout needs a unique id
+        uniqueName: "MyWindowName-1"
+
+        KDDW.DockWidget {
+            id: dock4
+            uniqueName: "dock4"
+            Rectangle {
+                anchors.fill: parent
+                color: "blue"
+                visible: true
+            }
+        }
+
+        KDDW.DockWidget {
+            id: dock5
+            uniqueName: "dock5"
+            Item {}
+        }
+
+        Component.onCompleted: {
+            // Add dock4 to the Bottom location
+            addDockWidget(dock4, KDDW.KDDockWidgets.Location_OnBottom);
+            dock5.show();
+        }
+
+    }
+}
--- a/3rdparty/kddockwidgets/tests/main465.qml
+++ b/3rdparty/kddockwidgets/tests/main465.qml
@@ -0,0 +1,54 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sergio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+
+import QtQuick 2.6
+import QtQuick.Controls 2.12
+import com.kdab.dockwidgets 2.0 as KDDW
+
+ApplicationWindow {
+    visible: true
+    width: 1000
+    height: 800
+
+    KDDW.DockingArea {
+        visible: true
+        anchors.fill: parent
+        uniqueName: "MyWindowName-1"
+        affinities: ["affinity_one", "affinity_two"]
+
+        Component.onCompleted: {
+            dock1.show();
+            dock2.show();
+        }
+    }
+
+    KDDW.DockWidget {
+        id: dock1
+        uniqueName: "dock1"
+        affinities: ["affinity_one", "affinity_two"]
+        Rectangle {
+            anchors.fill: parent
+            color: "#373F51"
+            visible: true
+        }
+    }
+
+    KDDW.DockWidget {
+        id: dock2
+        uniqueName: "dock2"
+        Rectangle {
+            anchors.fill: parent
+            color: "#0D5D56"
+            visible: true
+        }
+    }
+}
--- a/3rdparty/kddockwidgets/tests/main_persistentCentralWidget.qml
+++ b/3rdparty/kddockwidgets/tests/main_persistentCentralWidget.qml
@@ -0,0 +1,31 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sergio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+/// @brief A more involved QtQuick example for the tests
+/// Copied from examples, but fine for tests too
+
+import QtQuick 2.6
+import QtQuick.Controls 2.12
+import com.kdab.dockwidgets 2.0 as KDDW
+
+ApplicationWindow {
+    visible: true
+    width: 1000
+    height: 800
+
+    KDDW.DockingArea {
+        anchors.fill: parent
+        options: KDDW.KDDockWidgets.MainWindowOption_HasCentralWidget
+
+        // Each main layout needs a unique id
+        uniqueName: "MyWindowName-1"
+    }
+}
--- a/3rdparty/kddockwidgets/tests/main_tst_focusBetweenTabs.qml
+++ b/3rdparty/kddockwidgets/tests/main_tst_focusBetweenTabs.qml
@@ -0,0 +1,116 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2020 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sergio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+/// @brief Tests that focus is restored to the line edits when changing tab
+
+import QtQuick 2.6
+import QtQuick.Controls 2.12
+import com.kdab.dockwidgets 2.0 as KDDW
+
+ApplicationWindow {
+    visible: true
+    width: 1000
+    height: 800
+
+    KDDW.DockingArea {
+        anchors.fill: parent
+        uniqueName: "MyWindowName-1"
+
+        KDDW.DockWidget {
+            id: dock1
+            uniqueName: "dock1"
+            Rectangle {
+                anchors.fill: parent
+                color: "#475B63"
+                TextInput {
+                    objectName: "field1"
+                    text: "dock1 focus=" + focus + "; activeFocus=" + activeFocus
+                    focus: true
+                    anchors.margins: 10
+                    anchors.left: parent.left
+                }
+            }
+        }
+
+        KDDW.DockWidget {
+            id: dock2
+            uniqueName: "dock2"
+            Rectangle {
+                anchors.fill: parent
+                color: "#729B79"
+                TextInput {
+                    id: field2
+                    objectName: "field2"
+                    text: "dock2 focus=" + focus + "; activeFocus=" + activeFocus
+                    focus: true
+                    anchors.margins: 10
+                    anchors.left: parent.left
+                }
+                Button {
+                    text: "focus"
+                    anchors.right: parent.right
+                    onClicked: {
+                        field2.focus = true;
+                    }
+                }
+            }
+        }
+
+        KDDW.DockWidget {
+            id: dock3
+            uniqueName: "dock3"
+            Rectangle {
+                anchors.fill: parent
+                color: "#BACDB0"
+                TextInput {
+                    id: field3
+                    objectName: "field3"
+                    text: "dock3 focus=" + focus + "; activeFocus=" + activeFocus
+                    focus: true
+                    anchors.margins: 10
+                    anchors.left: parent.left
+                }
+                Button {
+                    text: "focus"
+                    anchors.right: parent.right
+                    onClicked: {
+                        field3.focus = true;
+                    }
+                }
+            }
+        }
+
+        KDDW.DockWidget {
+            id: floatingDock
+            uniqueName: "floatingDock"
+            Rectangle {
+                anchors.fill: parent
+                color: "#475B63"
+                TextInput {
+                    objectName: "floatingDockField"
+                    text: "focus=" + focus + "; activeFocus=" + activeFocus
+                    focus: true
+                    anchors.margins: 10
+                    anchors.left: parent.left
+                }
+            }
+        }
+
+        Component.onCompleted: {
+            // Add dock4 to the Bottom location
+            addDockWidget(dock1, KDDW.KDDockWidgets.Location_OnLeft);
+            addDockWidget(dock2, KDDW.KDDockWidgets.Location_OnRight);
+            dock2.addDockWidgetAsTab(dock3);
+
+            floatingDock.show();
+        }
+    }
+}
--- a/3rdparty/kddockwidgets/tests/manual/qdockwidget/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/manual/qdockwidget/CMakeLists.txt
@@ -0,0 +1,21 @@
+# This file is part of KDDockWidgets.
+#
+# SPDX-FileCopyrightText: 2024 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+# Author: Sergio Martins <sergio.martins@kdab.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+#
+# Contact KDAB at <info@kdab.com> for commercial licensing options.
+#
+
+cmake_minimum_required(VERSION 3.15)
+project(old_qdockwidgets)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_INCLUDE_CURRENT_DIRS ON)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+add_executable(old_qdockwidgets main.cpp)
+target_link_libraries(old_qdockwidgets PRIVATE KDAB::kddockwidgets)
--- a/3rdparty/kddockwidgets/tests/manual/qdockwidget/main.cpp
+++ b/3rdparty/kddockwidgets/tests/manual/qdockwidget/main.cpp
@@ -0,0 +1,120 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2024 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include <kddockwidgets/MainWindow.h>
+
+#include <QDockWidget>
+#include <QApplication>
+#include <QMainWindow>
+#include <QStyleFactory>
+#include <QPainter>
+#include <QMenuBar>
+#include <QMenu>
+#include <QDebug>
+#include <QPushButton>
+#include <QVBoxLayout>
+
+class Widget : public QWidget
+{
+public:
+    explicit Widget(QColor c, bool showButtons = false)
+        : color(c)
+    {
+        setMinimumSize(300, 300);
+        if (showButtons) {
+            auto lay = new QVBoxLayout(this);
+            auto button1 = new QPushButton("close()");
+            auto button2 = new QPushButton("setVisible(false)");
+            auto button3 = new QPushButton("hide()");
+            lay->addStretch();
+            lay->addWidget(button1);
+            lay->addWidget(button2);
+            lay->addWidget(button3);
+
+            connect(button1, &QPushButton::clicked, this, [this] {
+                dockWidget()->close();
+            });
+
+            connect(button2, &QPushButton::clicked, this, [this] {
+                dockWidget()->setVisible(false);
+            });
+
+            connect(button3, &QPushButton::clicked, this, [this] {
+                dockWidget()->hide();
+            });
+        }
+    }
+
+    QDockWidget *dockWidget() const
+    {
+        return qobject_cast<QDockWidget *>(parentWidget());
+    }
+
+    void paintEvent(QPaintEvent *) override
+    {
+        QPainter p(this);
+        p.fillRect(rect(), color);
+    }
+
+    QColor color;
+};
+
+class CustomDockWidget : public QDockWidget
+{
+public:
+    using QDockWidget::QDockWidget;
+    void closeEvent(QCloseEvent *ev) override
+    {
+        QDockWidget::closeEvent(ev);
+        qDebug() << "CustomDockWidget::closeEvent";
+    }
+};
+
+int main(int argc, char **argv)
+{
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+    QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+    QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+#endif
+    QApplication app(argc, argv);
+    qApp->setStyle(QStyleFactory::create(QStringLiteral("Fusion")));
+    KDDockWidgets::initFrontend(KDDockWidgets::FrontendType::QtWidgets);
+
+    KDDockWidgets::QtWidgets::MainWindow mainWindow("mainwindow1", KDDockWidgets::MainWindowOption_QDockWidgets);
+    mainWindow.resize(1000, 1000);
+
+    auto dock1 = new CustomDockWidget("d1", &mainWindow);
+    auto dock2 = new QDockWidget("d2", &mainWindow);
+    auto dock3 = new QDockWidget("d3", &mainWindow);
+    auto hiddenDock = new QDockWidget("hiddenDock", &mainWindow);
+    hiddenDock->setVisible(false);
+
+    dock1->setWidget(new Widget(QColor("#9CAFB7"), true));
+    dock2->setWidget(new Widget(QColor("#F6CA83")));
+    dock3->setWidget(new Widget(QColor("#ADB993")));
+
+    mainWindow.addDockWidget_legacy(Qt::LeftDockWidgetArea, dock1);
+    mainWindow.addDockWidget_legacy(Qt::RightDockWidgetArea, dock2);
+    mainWindow.addDockWidget_legacy(Qt::BottomDockWidgetArea, dock3);
+    mainWindow.addDockWidget_legacy(Qt::BottomDockWidgetArea, hiddenDock);
+    mainWindow.setCentralWidget_legacy(new Widget(Qt::black));
+
+    QMenuBar *menuBar = mainWindow.menuBar();
+    QMenu *toggleMenu = menuBar->addMenu("Toggle");
+    toggleMenu->addAction(dock1->toggleViewAction());
+    toggleMenu->addAction(dock2->toggleViewAction());
+    toggleMenu->addAction(dock3->toggleViewAction());
+    toggleMenu->addAction(hiddenDock->toggleViewAction());
+
+    mainWindow.show();
+
+    return app.exec();
+}
--- a/3rdparty/kddockwidgets/tests/manual/qtwidgets_leaks/CMakeLists.txt
+++ b/3rdparty/kddockwidgets/tests/manual/qtwidgets_leaks/CMakeLists.txt
@@ -0,0 +1,22 @@
+# This file is part of KDDockWidgets.
+#
+# SPDX-FileCopyrightText: 2024 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+# Author: Sergio Martins <sergio.martins@kdab.com>
+#
+# SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+#
+# Contact KDAB at <info@kdab.com> for commercial licensing options.
+#
+
+cmake_minimum_required(VERSION 3.15)
+project(qtwidgets_leak_test)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_INCLUDE_CURRENT_DIRS ON)
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+
+add_executable(qtwidgets_leak_test main.cpp)
+
+target_link_libraries(qtwidgets_leak_test PRIVATE KDAB::kddockwidgets)
--- a/3rdparty/kddockwidgets/tests/manual/qtwidgets_leaks/main.cpp
+++ b/3rdparty/kddockwidgets/tests/manual/qtwidgets_leaks/main.cpp
@@ -0,0 +1,82 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+#include <kddockwidgets/MainWindow.h>
+#include <kddockwidgets/DockWidget.h>
+#include <kddockwidgets/core/DockRegistry.h>
+#include <kddockwidgets/core/DockWidget.h>
+
+#include <QStyleFactory>
+#include <QApplication>
+#include <QPointer>
+#include <QTimer>
+
+// Simple app to test leaks under valgrind
+// $ valgrind --leak-check=full --show-leak-kinds=all --suppressions=../valgrind.sup ./bin/qtwidgets_leak_test
+
+using namespace KDDockWidgets;
+
+int main(int argc, char **argv)
+{
+    int result = 0;
+    QPointer<DockRegistry> dr;
+
+    {
+#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
+        QApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
+        QApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
+#endif
+        QApplication app(argc, argv);
+        app.setOrganizationName(QStringLiteral("KDAB"));
+        app.setApplicationName(QStringLiteral("Test app"));
+        qApp->setStyle(QStyleFactory::create(QStringLiteral("Fusion")));
+
+        KDDockWidgets::initFrontend(KDDockWidgets::FrontendType::QtWidgets);
+
+        // Create our main window. Dock 1 dock widget, let the other float and let a 3rd be hidden
+        KDDockWidgets::QtWidgets::MainWindow mainWindow(QStringLiteral("MyMainWindow"));
+        mainWindow.setWindowTitle("Main Window");
+        mainWindow.resize(1200, 1200);
+        mainWindow.show();
+
+        auto dock1 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock1"));
+        auto dock2 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock2"));
+        auto dock3 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock3"));
+
+        mainWindow.addDockWidget(dock1, KDDockWidgets::Location_OnLeft);
+        dock2->open();
+        dr = DockRegistry::self();
+
+        QTimer::singleShot(1000, &app, [&] {
+            // On Windows this is not needed, since they are parented it seems
+            delete dock1;
+            delete dock2;
+            delete dock3;
+            QTimer::singleShot(0, &app, &QCoreApplication::quit);
+        });
+
+        result = app.exec();
+    }
+
+    if (dr) {
+        qDebug() << "Dock registry not empty yet docks= " << dr->dockwidgets().size() << "; mainWindows=" << dr->mainwindows().size();
+    } else {
+        qDebug() << "Dock registry is empty.";
+    }
+
+    if (!QApplication::allWidgets().isEmpty() || !QApplication::allWindows().isEmpty()) {
+        qDebug() << "There's still widgets/windows:" << QApplication::allWidgets() << QApplication::allWindows();
+    }
+
+
+    qDebug() << "exiting main";
+    return result;
+}
--- a/3rdparty/kddockwidgets/tests/qtquick/tst_qtquick.cpp
+++ b/3rdparty/kddockwidgets/tests/qtquick/tst_qtquick.cpp
@@ -0,0 +1,581 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2019 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
+  Author: Sérgio Martins <sergio.martins@kdab.com>
+
+  SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only
+
+  Contact KDAB at <info@kdab.com> for commercial licensing options.
+*/
+
+/// @file
+/// @brief Here lives the tests that only apply to QtQuick
+
+#define NOMINMAX
+
+#include "kddockwidgets/KDDockWidgets.h"
+#include "qtquick/Platform.h"
+#include "qtquick/views/TitleBar.h"
+#include "qtquick/views/DockWidget.h"
+#include "qtquick/views/MainWindow.h"
+#include "qtquick/views/FloatingWindow.h"
+#include "core/MDILayout.h"
+#include "core/views/MainWindowViewInterface.h"
+#include "core/MainWindow.h"
+#include "core/Window_p.h"
+#include "core/Platform.h"
+
+#include "../utils.h"
+
+#ifdef KDDW_HAS_SPDLOG
+#include "../fatal_logger.h"
+#endif
+
+#include <QtTest/QTest>
+#include <QQmlApplicationEngine>
+#include <QQmlContext>
+
+using namespace KDDockWidgets;
+using namespace KDDockWidgets::Tests;
+using namespace KDDockWidgets::Core;
+
+class TestQtQuick : public QObject
+{
+    Q_OBJECT
+
+public Q_SLOTS:
+    void initTestCase();
+    void cleanupTestCase();
+
+private Q_SLOTS:
+    void tst_restoreRestoresMainWindowPosition();
+    void tst_hoverShowsDropIndicators();
+    void tst_titlebarNumDockWidgetsChanged();
+    void tst_effectiveVisibilityBug();
+
+    /// Tests a situation where DockWidgetInstantiator::isFloatingChanged wasn't being emitted (#350)
+    void tst_isFloatingIsEmitted();
+
+    void tst_shutdownCrash();
+    void tst_childQmlContext();
+
+    void tst_focusBetweenTabs();
+    void tst_setPersistentCentralView();
+
+    void tst_mdiFixedSize();
+    void tst_affinities();
+
+    void tst_deleteDockWidget();
+    void tst_setViewFactory();
+    void tst_quickWindowCreationCallback();
+};
+
+
+void TestQtQuick::initTestCase()
+{
+    KDDockWidgets::Core::Platform::instance()->installMessageHandler();
+}
+
+void TestQtQuick::cleanupTestCase()
+{
+    KDDockWidgets::Core::Platform::instance()->uninstallMessageHandler();
+}
+
+void TestQtQuick::tst_restoreRestoresMainWindowPosition()
+{
+    // Tests the ApplicationWindow {} case
+
+    QQmlApplicationEngine engine(":/main2.qml");
+
+    const auto mainWindows = DockRegistry::self()->mainwindows();
+    QCOMPARE(mainWindows.size(), 1);
+    MainWindow *mainWindow = mainWindows.first();
+    QVERIFY(mainWindow->isVisible());
+
+    QCOMPARE(mainWindow->pos(), QPoint(0, 0));
+
+    Window::Ptr window = mainWindow->view()->window();
+
+    LayoutSaver saver;
+    const QByteArray saved = saver.serializeLayout();
+
+    const QPoint originalPos = window->framePosition();
+
+    const QPoint newPos = originalPos + QPoint(200, 200);
+    window->setFramePosition(newPos);
+    QCOMPARE(window->framePosition(), newPos);
+
+    QVERIFY(saver.restoreLayout(saved));
+
+    QCOMPARE(window->framePosition(), originalPos);
+
+    delete mainWindow;
+}
+
+void TestQtQuick::tst_hoverShowsDropIndicators()
+{
+    // For QtQuick on Windows, there was a bug where drop indicators wouldn't be shown if
+    // MainWindowBase wasn't the root item.
+
+    EnsureTopLevelsDeleted e;
+    QQmlApplicationEngine engine(":/main2.qml");
+
+    const auto mainWindows = DockRegistry::self()->mainwindows();
+    QCOMPARE(mainWindows.size(), 1);
+    MainWindow *m = mainWindows.first();
+
+    m->window()->window()->setFramePosition(QPoint(500, 800));
+
+    auto dock0 = createDockWidget(
+        "dock0", Platform::instance()->tests_createView({ true, {}, QSize(400, 400) }));
+
+    auto floatingDockWidget =
+        createDockWidget("floatingDockWidget",
+                         Platform::instance()->tests_createView({ true, {}, QSize(400, 400) }));
+
+    m->addDockWidget(dock0, Location_OnLeft);
+
+    const QPoint mainWindowCenterPos = m->mapToGlobal(m->geometry().center());
+
+    QTest::qWait(100);
+
+    auto fw = floatingDockWidget->floatingWindow();
+    dragFloatingWindowTo(fw, mainWindowCenterPos);
+
+    QCOMPARE(dock0->dptr()->group()->dockWidgetCount(), 2);
+}
+
+void TestQtQuick::tst_titlebarNumDockWidgetsChanged()
+{
+    EnsureTopLevelsDeleted e;
+    QQmlApplicationEngine engine(":/main2.qml");
+
+    auto dock0 = createDockWidget(
+        "dock0", Platform::instance()->tests_createView({ true, {}, QSize(400, 400) }));
+    const auto mainWindows = DockRegistry::self()->mainwindows();
+    MainWindow *m = mainWindows.first();
+    m->window()->window()->setFramePosition(QPoint(500, 800));
+    m->addDockWidget(dock0, Location_OnLeft);
+
+    auto tb = dock0->titleBar();
+    auto tbView = static_cast<QtQuick::TitleBar *>(tb->view());
+
+    int numSignalEmittions = 0;
+    connect(tbView, &QtQuick::TitleBar::numDockWidgetsChanged,
+            [&numSignalEmittions] { numSignalEmittions++; });
+
+    auto dock1 = createDockWidget(
+        "dock1", Platform::instance()->tests_createView({ true, {}, QSize(400, 400) }));
+
+    dock0->addDockWidgetAsTab(dock1);
+
+    QVERIFY(numSignalEmittions > 0);
+}
+
+void TestQtQuick::tst_isFloatingIsEmitted()
+{
+    {
+        EnsureTopLevelsDeleted e;
+        QQmlApplicationEngine engine(":/main350.qml");
+
+        auto dw4 = DockRegistry::self()->dockByName("dock4");
+        auto dw5 = DockRegistry::self()->dockByName("dock5");
+        QVERIFY(dw4);
+        QVERIFY(dw5);
+
+        dw4->setFloating(true);
+        dw5->addDockWidgetToContainingWindow(dw4, KDDockWidgets::Location_OnLeft);
+        dw4->titleBar()->onFloatClicked();
+
+        QVERIFY(dw4->isFloating());
+        auto mw = DockRegistry::self()->mainWindowByName("MyWindowName-1");
+        QVERIFY(mw);
+
+        auto floatingDropArea = dw4->floatingWindow()->multiSplitter();
+        QVERIFY(floatingDropArea);
+
+        // Add to main window again and make sure signal was emitted
+
+        bool signalReceived = false;
+        dw4->d->isFloatingChanged.connect([&signalReceived] {
+            signalReceived = true;
+        });
+
+        QVERIFY(dw4->isFloating());
+        QVERIFY(dw4->floatAction()->isChecked());
+        mw->dropArea()->addMultiSplitter(floatingDropArea, KDDockWidgets::Location_OnLeft);
+        QVERIFY(!dw4->isFloating());
+        QVERIFY(!dw4->floatAction()->isChecked());
+
+        QVERIFY(signalReceived);
+    }
+
+    // 1 event loop for DelayedDelete. Avoids LSAN warnings.
+    EVENT_LOOP(1);
+}
+
+void TestQtQuick::tst_shutdownCrash()
+{
+    // Currently failing only on Windows.
+
+    // Tests a crash where Core::DockWidget would be referenced while being destroyed
+
+    // EnsureTopLevelsDeleted e;
+    // QQmlApplicationEngine engine(":/main2.qml");
+    // auto guestView = Platform::instance()->tests_createView({ true, {}, QSize(400, 400) });
+    // auto dock1 = createDockWidget("dock1", guestView);
+
+    // QQuickItem *dockWidgeItem = QtCommon::View_qt::asQQuickItem(dock1->view());
+    // QVERIFY(dockWidgeItem);
+    // Core::Group *group = dock1->dptr()->group();
+    // delete dockWidgeItem;
+    // delete group;
+
+    // // 1 event loop for DelayedDelete. Avoids LSAN warnings.
+    // KDDW_CO_AWAIT Platform::instance()->tests_wait(1);
+}
+
+void TestQtQuick::tst_childQmlContext()
+{
+    // Tests that guest items can have a separate QML context
+    EnsureTopLevelsDeleted e;
+
+    {
+        QQmlApplicationEngine engine(":/main2.qml");
+        auto dock1 = new QtQuick::DockWidget("dock1");
+        auto dock2 = new QtQuick::DockWidget("dock2");
+        auto dock3 = new QtQuick::DockWidget("dock3");
+        auto dock4 = new QtQuick::DockWidget("dock4");
+
+        const auto defaultPropertyValue = QVariant(0);
+        const auto overriddenPropertyValue = QVariant(1);
+
+        QQmlContext *rootContext = plat()->qmlEngine()->rootContext();
+        rootContext->setContextProperty("_ctxProperty", defaultPropertyValue);
+
+        auto mw = DockRegistry::self()->mainWindowByName("MyWindowName-1");
+        QVERIFY(mw);
+        mw->addDockWidget(dock1->asDockWidgetController(), KDDockWidgets::Location_OnRight);
+        mw->addDockWidget(dock2->asDockWidgetController(), KDDockWidgets::Location_OnRight);
+        mw->addDockWidget(dock3->asDockWidgetController(), KDDockWidgets::Location_OnRight);
+        mw->addDockWidget(dock4->asDockWidgetController(), KDDockWidgets::Location_OnRight);
+
+        auto guestItem1 = new QQuickItem(dock1);
+        dock1->setGuestItem(guestItem1);
+        dock2->setGuestItem(":/MyRectangle.qml");
+        dock3->setGuestItem(":/MyRectangle.qml");
+
+        QQmlContext subContext(rootContext);
+        subContext.setContextProperty("_ctxProperty", overriddenPropertyValue);
+        dock4->setGuestItem(":/MyRectangle.qml", &subContext);
+
+        QVERIFY(dock2->dockWidget()->guestView().get());
+        auto guestItem2 = dock2->guestItem();
+        QVERIFY(guestItem2);
+        auto guestItem3 = dock3->guestItem();
+        QVERIFY(guestItem3);
+        auto guestItem4 = dock4->guestItem();
+        QVERIFY(guestItem4);
+
+        QQmlContext *guestContext1 = QtQuick::qmlContextFor(guestItem1);
+        QQmlContext *guestContext2 = QtQuick::qmlContextFor(guestItem2);
+        QQmlContext *guestContext3 = QtQuick::qmlContextFor(guestItem3);
+        QQmlContext *guestContext4 = QtQuick::qmlContextFor(guestItem4);
+
+        QVERIFY(guestContext1);
+        QVERIFY(guestContext2);
+        QVERIFY(guestContext3);
+        QVERIFY(guestContext4);
+        QVERIFY(guestContext1 != guestContext2);
+        QVERIFY(guestContext1 != guestContext3);
+        QVERIFY(guestContext2 != guestContext3);
+        QCOMPARE(guestContext4->parentContext(), &subContext);
+        QVERIFY(rootContext != guestContext1);
+        QVERIFY(rootContext != guestContext2);
+        QVERIFY(guestContext1->parentContext() == rootContext);
+        QVERIFY(guestContext2->parentContext() == rootContext);
+        QVERIFY(guestContext3->parentContext() == rootContext);
+
+        QCOMPARE(guestItem3->property("someValue"), defaultPropertyValue);
+        QCOMPARE(guestItem4->property("someValue"), overriddenPropertyValue);
+
+        delete dock1->dockWidget()->dptr()->group();
+        delete dock2->dockWidget()->dptr()->group();
+        delete dock3->dockWidget()->dptr()->group();
+        delete dock4->dockWidget()->dptr()->group();
+    }
+
+    // 1 event loop for DelayedDelete. Avoids LSAN warnings.
+    EVENT_LOOP(1);
+}
+
+void TestQtQuick::tst_focusBetweenTabs()
+{
+    EnsureTopLevelsDeleted e;
+    KDDockWidgets::Config::self().setFlags(KDDockWidgets::Config::Flag_TitleBarIsFocusable);
+    QQmlApplicationEngine engine;
+    engine.rootContext()->setContextProperty("_kddwDockRegistry", DockRegistry::self());
+    engine.load(":/main_tst_focusBetweenTabs.qml");
+
+    auto dock1 = DockRegistry::self()->dockByName("dock1");
+    auto dock2 = DockRegistry::self()->dockByName("dock2");
+    auto dock3 = DockRegistry::self()->dockByName("dock3");
+    auto floatingDock = DockRegistry::self()->dockByName("floatingDock");
+
+    dock1->view()->rootView()->activateWindow();
+    EVENT_LOOP(2000);
+    dock1->dptr()->group()->focus();
+
+    QVERIFY(dock1->isFocused());
+    QVERIFY(!dock2->isFocused());
+    QVERIFY(!dock3->isFocused());
+    QVERIFY(!floatingDock->isFocused());
+
+    auto view1 = QtCommon::View_qt::asQQuickItem(dock1->view());
+    auto view2 = QtCommon::View_qt::asQQuickItem(dock2->view());
+    auto view3 = QtCommon::View_qt::asQQuickItem(dock3->view());
+    auto floatingDockView = QtCommon::View_qt::asQQuickItem(floatingDock->view());
+
+    // Refocus these, as they were unfocused due to reparenting:
+    auto field1 = view1->findChild<QQuickItem *>("field1");
+    auto field2 = view2->findChild<QQuickItem *>("field2");
+    auto field3 = view3->findChild<QQuickItem *>("field3");
+    auto floatingDockField = floatingDockView->findChild<QQuickItem *>("floatingDockField");
+    field2->setFocus(true);
+    field3->setFocus(true);
+    floatingDockField->setFocus(true);
+
+    QVERIFY(dock1->isFocused());
+    QVERIFY(!dock2->isFocused());
+    QVERIFY(!dock3->isFocused());
+
+    // All 4 have focus, but only #1 has active focus
+    QVERIFY(field1->hasActiveFocus());
+    QVERIFY(!field2->hasActiveFocus());
+    QVERIFY(!field3->hasActiveFocus());
+    QVERIFY(!floatingDockField->hasActiveFocus());
+    QVERIFY(field1->hasFocus());
+    QVERIFY(field2->hasFocus());
+    QVERIFY(field3->hasFocus());
+    QVERIFY(floatingDockField->hasFocus());
+
+    dock2->dptr()->group()->focus();
+
+    // Dock3, the current tab, has focus now
+    QVERIFY(!field1->hasActiveFocus());
+    QVERIFY(!field2->hasActiveFocus());
+    QVERIFY(field3->hasActiveFocus());
+    QVERIFY(field1->hasFocus());
+    QVERIFY(field2->hasFocus());
+    QVERIFY(field3->hasFocus());
+
+    // A mouse event instead of these 2 lines would do as well
+    dock2->setAsCurrentTab();
+    dock2->dptr()->group()->focus();
+
+    QVERIFY(field1->hasFocus());
+    QVERIFY(field2->hasFocus());
+    QVERIFY(field3->hasFocus());
+    QVERIFY(!field1->hasActiveFocus());
+    QVERIFY(field2->hasActiveFocus());
+    QVERIFY(!field3->hasActiveFocus());
+
+    // Now test if clicking on the dock1 titlebar also forwards focus
+    auto tb = dock1->titleBar()->view();
+    Tests::clickOn(tb->mapToGlobal({ 10, 10 }), tb);
+    QVERIFY(field1->hasFocus());
+    QVERIFY(field2->hasFocus());
+    QVERIFY(field3->hasFocus());
+    QVERIFY(field1->hasActiveFocus());
+    QVERIFY(!field2->hasActiveFocus());
+    QVERIFY(!field3->hasActiveFocus());
+
+    // Now test titlebar of a floating window
+    floatingDock->view()->rootView()->activateWindow();
+    QVERIFY(Platform::instance()->tests_waitForWindowActive(floatingDock->view()->window(), 1000));
+    auto floatingTb = floatingDock->titleBar()->view();
+    Tests::clickOn(floatingTb->mapToGlobal({ 10, 10 }), floatingTb);
+
+    Platform::instance()->tests_wait(1000);
+
+    QVERIFY(field1->hasFocus());
+    QVERIFY(field2->hasFocus());
+    QVERIFY(field3->hasFocus());
+    QVERIFY(floatingDockField->hasFocus());
+
+    QVERIFY(floatingDockField->hasActiveFocus());
+
+    // 1 event loop for DelayedDelete. Avoids LSAN warnings.
+    KDDW_CO_AWAIT
+    Platform::instance()
+        ->tests_wait(1);
+}
+
+void TestQtQuick::tst_setPersistentCentralView()
+{
+    EnsureTopLevelsDeleted e;
+    QQmlApplicationEngine engine(":/main_persistentCentralWidget.qml");
+    const auto mainWindows = DockRegistry::self()->mainwindows();
+    QCOMPARE(mainWindows.size(), 1);
+    auto mainWindow = mainWindows.first();
+    static_cast<QtQuick::MainWindow *>(mainWindow->view())->setPersistentCentralView(":/MyRectangle2.qml");
+
+    Core::Layout *layout = mainWindow->layout();
+    auto rootItem = layout->rootItem();
+    QCOMPARE(rootItem->count_recursive(), 1);
+    QCOMPARE(mainWindow->size(), rootItem->size());
+}
+
+void TestQtQuick::tst_mdiFixedSize()
+{
+    // Tests that the mdi group is fixed size if the dock widget is fixed size
+
+    EnsureTopLevelsDeleted e;
+
+    auto m = createMainWindow(Size(800, 500), MainWindowOption_MDI);
+    const int fixedWidth = 201;
+    auto dock0 = createDockWidget(
+        "dock0", Platform::instance()->tests_createView({ true, {}, Size(fixedWidth, 400) }));
+    dock0->view()->setFixedWidth(fixedWidth);
+    m->layout()->asMDILayout()->addDockWidget(dock0, Point(0, 0), {});
+    m->view()->resize(1000, 1000);
+
+    QCOMPARE(dock0->view()->minimumWidth(), fixedWidth);
+    QCOMPARE(dock0->view()->maxSizeHint().width(), fixedWidth);
+    QVERIFY(dock0->isFixedWidth());
+    Group *group = dock0->dptr()->group();
+    QVERIFY(group->isMDI());
+    QVERIFY(group->isFixedWidth());
+
+    // 1 event loop for DelayedDelete. Avoids LSAN warnings.
+    Platform::instance()
+        ->tests_wait(1);
+}
+
+void TestQtQuick::tst_affinities()
+{
+    // Tests that the QML API for affinites works
+    EnsureTopLevelsDeleted e;
+    QQmlApplicationEngine engine(":/main465.qml");
+
+    const auto dockingAreas = DockRegistry::self()->mainDockingAreas();
+    QCOMPARE(dockingAreas.size(), 1);
+
+    auto dockingArea = dockingAreas.first();
+    QCOMPARE(dockingArea->affinities(), QVector<QString>({ "affinity_one", "affinity_two" }));
+
+    auto dock1 = DockRegistry::self()->dockByName("dock1");
+    auto dock2 = DockRegistry::self()->dockByName("dock2");
+    QVERIFY(dock1);
+    QVERIFY(dock2);
+
+    QCOMPARE(dock1->affinities(), QVector<QString>({ "affinity_one", "affinity_two" }));
+    QVERIFY(dock2->affinities().isEmpty());
+}
+
+void TestQtQuick::tst_deleteDockWidget()
+{
+    // Tests that we can delete a dock widget directly
+    EnsureTopLevelsDeleted e;
+    QQmlApplicationEngine engine(":/main465.qml"); // or any other main.qml
+
+    auto dock0 = createDockWidget(
+        "dock0", Platform::instance()->tests_createView({}));
+
+    dock0->show();
+    delete dock0->view();
+
+    // 1 event loop iteration so we don't have memory leaks
+    QTest::qWait(1);
+}
+
+void TestQtQuick::tst_effectiveVisibilityBug()
+{
+    // When saving layout state, we should not store QQuickItem::isVisible(), as that is not the real
+    // "isVisible", as it might depend on the parent being visible or not.
+    // The correct property to store is QQuickItemPrivate::explicitVisible, and not
+    // QQuickItemPrivate::effectiveVisible;
+    //
+    // See issue #343
+
+    QByteArray serialized;
+
+    {
+        EnsureTopLevelsDeleted e;
+        // This main .qml has the DropArea wrapped into an Item with visible: false
+        QQmlApplicationEngine engine(":/main343.qml");
+        LayoutSaver saver;
+        serialized = saver.serializeLayout();
+        QVERIFY(!serialized.isEmpty());
+    }
+
+    EnsureTopLevelsDeleted e;
+    // This main .qml has the DropArea wrapped into an Item with visible: true
+    // restoring should restore the DropArea with visible true
+    QQmlApplicationEngine engine(":/main343_2.qml");
+    LayoutSaver restorer;
+    QVERIFY(restorer.restoreLayout(serialized));
+
+    const auto mainWindows = DockRegistry::self()->mainwindows();
+    QCOMPARE(mainWindows.size(), 1);
+    QVERIFY(mainWindows.first()->isVisible());
+}
+
+void TestQtQuick::tst_setViewFactory()
+{
+    // Tests that setting a view factory will refresh the context property
+    EnsureTopLevelsDeleted e;
+    QQmlApplicationEngine engine(":/main2.qml");
+    QQmlContext *rootContext = plat()->qmlEngine()->rootContext();
+
+    QCOMPARE(rootContext->contextProperty("_kddw_widgetFactory").value<QObject *>(), Config::self().viewFactory());
+
+    // now change view factory:
+    auto newFactory = Platform::instance()->createDefaultViewFactory();
+    Config::self().setViewFactory(newFactory);
+    QCOMPARE(rootContext->contextProperty("_kddw_widgetFactory").value<QObject *>(), newFactory);
+}
+
+void TestQtQuick::tst_quickWindowCreationCallback()
+{
+    EnsureTopLevelsDeleted e;
+    QQmlApplicationEngine engine(":/main2.qml");
+
+    int callCount = 0;
+    auto onWindowCreated = [&](QQuickView *window, QtQuick::MainWindow *parent) -> void {
+        Q_UNUSED(window);
+        Q_UNUSED(parent);
+        callCount++;
+    };
+    QtQuick::FloatingWindow::setQuickWindowCreationCallback(onWindowCreated);
+
+    auto dock0 = createDockWidget(
+        "dock0", Platform::instance()->tests_createView({ true, {}, QSize(400, 400) }));
+    dock0->setFloating(true);
+
+    QCOMPARE(callCount, 1);
+    QtQuick::FloatingWindow::setQuickWindowCreationCallback(nullptr);
+}
+
+int main(int argc, char *argv[])
+{
+#ifdef KDDW_HAS_SPDLOG
+    FatalLogger::create();
+#endif
+
+    // Might be disabled by env var
+    const auto frontends = Platform::frontendTypes();
+    if (std::find(frontends.cbegin(), frontends.cend(), FrontendType::QtQuick) == frontends.cend())
+        return 0;
+
+    Core::Platform::tests_initPlatform(argc, argv, KDDockWidgets::FrontendType::QtQuick);
+
+    TestQtQuick test;
+    const int exitCode = QTest::qExec(&test, argc, argv);
+    Core::Platform::tests_deinitPlatform();
+
+    return exitCode;
+}
+
+#include "tst_qtquick.moc"
--- a/3rdparty/kddockwidgets/tests/qtwidgets/mainwindow.ui
+++ b/3rdparty/kddockwidgets/tests/qtwidgets/mainwindow.ui
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>800</width>
+    <height>600</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralwidget"/>
+  <widget class="QMenuBar" name="menubar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>800</width>
+     <height>22</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QStatusBar" name="statusbar"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
--- a/Show More
+++ b/Show More