First Commit

3rdparty/kddockwidgets/examples/dockwidgets/CMakeLists.txt

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+# 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.
+#
+
+cmake_minimum_required(VERSION 3.15)
+project(qtwidgets_dockwidgets)
+
+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)
+
+if(NOT TARGET kddockwidgets)
+    # For the purpose of our example, we're looking for Qt5 or Qt6 KDDW.
+    # For your own purposes, just chose the one you need.
+    find_package(KDDockWidgets QUIET)
+    if(NOT KDDockWidgets_FOUND)
+        find_package(KDDockWidgets-qt6 REQUIRED)
+    endif()
+endif()
+
+set(RESOURCES_EXAMPLE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/resources_example.qrc)
+
+add_executable(qtwidgets_dockwidgets main.cpp MyViewFactory.cpp MyMainWindow.cpp MyWidget.cpp ${RESOURCES_EXAMPLE_SRC})
+
+target_link_libraries(qtwidgets_dockwidgets PRIVATE KDAB::kddockwidgets)

3rdparty/kddockwidgets/examples/dockwidgets/CtrlKeyEventFilter.h

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+/*
+  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 <kddockwidgets/Config.h>
+
+#include <QObject>
+#include <QKeyEvent>
+
+// This event filter is just for examplify how to use the KDDW API to show/hide
+// the drag indicators when ctrl is pressed
+class CtrlKeyEventFilter : public QObject
+{
+public:
+    using QObject::QObject;
+
+    ~CtrlKeyEventFilter() override;
+
+    bool eventFilter(QObject *, QEvent *ev) override
+    {
+        if (ev->type() != QEvent::KeyPress && ev->type() != QEvent::KeyRelease)
+            return false;
+
+        auto me = static_cast<QKeyEvent *>(ev);
+        if (me->key() != Qt::Key_Control)
+            return false;
+
+        KDDockWidgets::Config::self().setDropIndicatorsInhibited(ev->type() == QEvent::KeyRelease);
+
+        return false;
+    }
+};

3rdparty/kddockwidgets/examples/dockwidgets/MyMainWindow.cpp

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+/*
+  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 "MyMainWindow.h"
+#include "MyWidget.h"
+#include "CtrlKeyEventFilter.h"
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/LayoutSaver.h>
+
+#include <kddockwidgets/core/DockWidget.h>
+#include <kddockwidgets/core/MainWindow.h>
+#include <kddockwidgets/core/Layout.h>
+
+#include <QMenu>
+#include <QMenuBar>
+#include <QEvent>
+#include <QDebug>
+#include <QString>
+#include <QTextEdit>
+#include <QWindow>
+#include <QPushButton>
+#include <QVBoxLayout>
+#include <QRandomGenerator>
+
+#include <QApplication>
+
+#include <utility>
+
+// clazy:excludeall=qstring-allocations,ctor-missing-parent-argument,detaching-member
+
+static MyWidget *newMyWidget()
+{
+    const int randomNumber = QRandomGenerator::global()->bounded(0, 100) + 1;
+    if (randomNumber < 50) {
+        if (randomNumber < 33) {
+            return new MyWidget1();
+        } else {
+            return new MyWidget3();
+        }
+    } else {
+        return new MyWidget2();
+    }
+}
+
+MyMainWindow::MyMainWindow(const QString &uniqueName, KDDockWidgets::MainWindowOptions options,
+                           ExampleOptions exampleOptions,
+                           const QString &affinityName, QWidget *parent)
+    : KDDockWidgets::QtWidgets::MainWindow(uniqueName, options, parent)
+    , m_exampleOptions(exampleOptions)
+{
+    auto menubar = menuBar();
+    auto fileMenu = new QMenu(QStringLiteral("File"), this);
+    m_toggleMenu = new QMenu(QStringLiteral("Toggle"), this);
+    auto miscMenu = new QMenu(QStringLiteral("Misc"), this);
+
+    menubar->addMenu(fileMenu);
+    menubar->addMenu(m_toggleMenu);
+    menubar->addMenu(miscMenu);
+
+    QAction *newAction = fileMenu->addAction(QStringLiteral("New DockWidget"));
+
+    connect(newAction, &QAction::triggered, this, [] {
+        static int count = 0;
+        count++;
+        auto w = newMyWidget();
+        w->setGeometry(100, 100, 400, 400);
+        auto dock = new KDDockWidgets::QtWidgets::DockWidget(
+            QStringLiteral("new dock %1").arg(count));
+        dock->setWidget(w);
+        dock->resize(QSize(600, 600));
+        dock->open();
+    });
+
+    auto saveLayoutAction = fileMenu->addAction(QStringLiteral("Save Layout"));
+    connect(saveLayoutAction, &QAction::triggered, this, [] {
+        KDDockWidgets::LayoutSaver saver;
+        const bool result = saver.saveToFile(QStringLiteral("mylayout.json"));
+        qDebug() << "Saving layout to disk. Result=" << result;
+    });
+
+    auto restoreLayoutAction = fileMenu->addAction(QStringLiteral("Restore Layout"));
+    connect(restoreLayoutAction, &QAction::triggered, this, [this] {
+        KDDockWidgets::RestoreOptions options = KDDockWidgets::RestoreOption_None;
+        if (m_exampleOptions & ExampleOption::RestoreIsRelative)
+            options |= KDDockWidgets::RestoreOption_RelativeToMainWindow;
+
+        KDDockWidgets::LayoutSaver saver(options);
+        saver.restoreFromFile(QStringLiteral("mylayout.json"));
+    });
+
+    auto closeAllAction = fileMenu->addAction(QStringLiteral("Close All"));
+    connect(closeAllAction, &QAction::triggered, this, [this] {
+        for (auto dw : std::as_const(m_dockwidgets))
+            dw->close();
+    });
+
+    auto layoutEqually = fileMenu->addAction(QStringLiteral("Layout Equally"));
+    connect(layoutEqually, &QAction::triggered, this, [this] { this->layoutEqually(); });
+
+    auto quitAction = fileMenu->addAction(QStringLiteral("Quit"));
+    connect(quitAction, &QAction::triggered, qApp, &QApplication::quit);
+
+    QAction *toggleDropIndicatorSupport =
+        miscMenu->addAction(QStringLiteral("Toggle Drop Indicator Support"));
+    toggleDropIndicatorSupport->setCheckable(true);
+    toggleDropIndicatorSupport->setChecked(true);
+    connect(toggleDropIndicatorSupport, &QAction::toggled, this, [](bool checked) {
+        KDDockWidgets::Config::self().setDropIndicatorsInhibited(!checked);
+    });
+
+    // for debug purposes only:
+    QAction *dumpLayout =
+        miscMenu->addAction(QStringLiteral("Dump layout to terminal"));
+    connect(dumpLayout, &QAction::triggered, this, [this] {
+        mainWindow()->layout()->dumpLayout();
+    });
+
+    setAffinities({ affinityName });
+    createDockWidgets();
+
+    if (options & KDDockWidgets::MainWindowOption_HasCentralWidget) {
+        setPersistentCentralWidget(new MyWidget1());
+    }
+
+    if (m_exampleOptions & ExampleOption::CtrlKeyFiltersDropIndicators) {
+        /// Drop indicators will only be visible when ctrl is pressed
+        KDDockWidgets::Config::self().setDropIndicatorsInhibited(true);
+        qGuiApp->installEventFilter(new CtrlKeyEventFilter(this));
+    }
+}
+
+MyMainWindow::~MyMainWindow()
+{
+    qDeleteAll(m_dockwidgets);
+}
+
+void MyMainWindow::createDockWidgets()
+{
+    Q_ASSERT(m_dockwidgets.isEmpty());
+
+    const int numDockWidgets = (m_exampleOptions & ExampleOption::NonDockableDockWidget9) ? 10 : 9;
+
+    // Create 9 KDDockWidget::DockWidget and the respective widgets they're hosting (MyWidget
+    // instances)
+    for (int i = 0; i < numDockWidgets; i++)
+        m_dockwidgets << newDockWidget();
+
+    // MainWindow::addDockWidget() attaches a dock widget to the main window:
+    addDockWidget(m_dockwidgets.at(0), KDDockWidgets::Location_OnTop);
+
+    // Here, for finer granularity we specify right of dockwidgets[0]:
+    addDockWidget(m_dockwidgets.at(1), KDDockWidgets::Location_OnRight, m_dockwidgets.at(0));
+
+    addDockWidget(m_dockwidgets.at(2), KDDockWidgets::Location_OnLeft);
+    addDockWidget(m_dockwidgets.at(3), KDDockWidgets::Location_OnBottom);
+    addDockWidget(m_dockwidgets.at(4), KDDockWidgets::Location_OnBottom);
+
+    // Tab two dock widgets together
+    m_dockwidgets[3]->addDockWidgetAsTab(m_dockwidgets.at(5));
+
+    // 6 is floating, as it wasn't added to the main window via MainWindow::addDockWidget().
+    // and we tab 7 with it.
+    m_dockwidgets[6]->addDockWidgetAsTab(m_dockwidgets.at(7));
+
+    // Floating windows also support nesting, here we add 8 to the bottom of the group
+    m_dockwidgets[6]->addDockWidgetToContainingWindow(m_dockwidgets.at(8),
+                                                      KDDockWidgets::Location_OnBottom);
+
+    auto floatingWindow = m_dockwidgets.at(6)->rootView();
+    floatingWindow->move(100, 100);
+}
+
+KDDockWidgets::QtWidgets::DockWidget *MyMainWindow::newDockWidget()
+{
+    static int count = 0;
+
+    // Passing options is optional, we just want to illustrate Option_NotClosable here
+    KDDockWidgets::DockWidgetOptions options = KDDockWidgets::DockWidgetOption_None;
+    KDDockWidgets::LayoutSaverOptions layoutSaverOptions = KDDockWidgets::LayoutSaverOption::None;
+
+    if (count == 0 && (m_exampleOptions & ExampleOption::DockWidget0IsNonClosable))
+        options |= KDDockWidgets::DockWidgetOption_NotClosable;
+
+    if (count == 9 && (m_exampleOptions & ExampleOption::NonDockableDockWidget9))
+        options |= KDDockWidgets::DockWidgetOption_NotDockable;
+
+    if ((count == 6 || count == 7 || count == 8) && (m_exampleOptions & ExampleOption::DockWidgets678DontCloseBeforeRestore))
+        layoutSaverOptions |= KDDockWidgets::LayoutSaverOption::Skip;
+
+    auto dock = new KDDockWidgets::QtWidgets::DockWidget(
+        QStringLiteral("DockWidget #%1").arg(count), options, layoutSaverOptions);
+    dock->setAffinities(affinities()); // optional, just to show the feature. Pass -mi to the
+                                       // example to see incompatible dock widgets
+
+    if (count == 1)
+        dock->setIcon(QIcon::fromTheme(QStringLiteral("mail-message")));
+
+    auto myWidget = newMyWidget();
+    if (count == 8) {
+        if (m_exampleOptions & ExampleOption::MaxSizeForDockWidget8) {
+            // Set a maximum size on dock #8
+            myWidget->setMaximumSize(200, 200);
+            auto button = new QPushButton("dump debug info", myWidget);
+            connect(button, &QPushButton::clicked, this, [myWidget] {
+                KDDockWidgets::Config::self().printDebug();
+
+                qDebug() << "Widget: " << myWidget->geometry() << myWidget->minimumSize() << myWidget->minimumSizeHint() << myWidget->maximumSize() << myWidget->sizeHint() << myWidget->window();
+
+                auto tlw = myWidget->window();
+                qDebug() << "TLW   : " << tlw << tlw->geometry() << tlw->minimumSize() << tlw->minimumSizeHint() << tlw->maximumSize() << tlw->sizeHint();
+
+                auto window = tlw->windowHandle();
+                qDebug() << "Window   : " << window << window->frameGeometry() << window->geometry() << window->minimumSize() << window->maximumSize() << window->frameGeometry() << window->flags();
+            });
+        }
+    }
+
+    if (count == 5 && (m_exampleOptions & ExampleOption::ProgrammaticDragEvent)) {
+        qDeleteAll(myWidget->children());
+
+        auto button = new QPushButton("Start Drag (by tab)", myWidget);
+        connect(button, &QPushButton::pressed, this, [dock] {
+            dock->asDockWidgetController()->startDragging(true);
+        });
+
+        auto button2 = new QPushButton("Start Drag (by titlebar)", myWidget);
+        connect(button2, &QPushButton::pressed, this, [dock] {
+            dock->asDockWidgetController()->startDragging(false);
+        });
+
+        auto vbox = new QVBoxLayout(myWidget);
+        vbox->addWidget(button);
+        vbox->addWidget(button2);
+        vbox->addStretch();
+    }
+
+    if (count == 0 && (m_exampleOptions & ExampleOption::Dock0BlocksCloseEvent))
+        myWidget->blockCloseEvent();
+
+    dock->setWidget(myWidget);
+
+    if (dock->options() & KDDockWidgets::DockWidgetOption_NotDockable) {
+        dock->setTitle(QStringLiteral("DockWidget #%1 (%2)").arg(count).arg("non dockable"));
+    } else {
+        dock->setTitle(QStringLiteral("DockWidget #%1").arg(count));
+    }
+
+    dock->resize(QSize(600, 600));
+    m_toggleMenu->addAction(dock->toggleAction());
+    dock->toggleAction()->setShortcut(QStringLiteral("ctrl+%1").arg(count));
+
+    count++;
+    return dock;
+}
+
+CtrlKeyEventFilter::~CtrlKeyEventFilter() = default;

3rdparty/kddockwidgets/examples/dockwidgets/MyMainWindow.h

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+/*
+  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.
+*/
+
+#pragma once
+
+#include <kddockwidgets/DockWidget.h>
+#include <kddockwidgets/MainWindow.h>
+
+class MyMainWindow : public KDDockWidgets::QtWidgets::MainWindow
+{
+    Q_OBJECT
+public:
+    enum class ExampleOption {
+        DockWidget0IsNonClosable = 1,
+        NonDockableDockWidget9 = 2,
+        RestoreIsRelative = 4,
+        MaxSizeForDockWidget8 = 8,
+        DockWidgets678DontCloseBeforeRestore = 16,
+        Dock0BlocksCloseEvent = 32,
+        ProgrammaticDragEvent = 64,
+        CtrlKeyFiltersDropIndicators = 128,
+    };
+    Q_DECLARE_FLAGS(ExampleOptions, ExampleOption)
+
+    explicit MyMainWindow(const QString &uniqueName, KDDockWidgets::MainWindowOptions options,
+                          ExampleOptions exampleOptions,
+                          const QString &affinityName = {}, // Usually not needed. Just here to show
+                                                            // the feature.
+                          QWidget *parent = nullptr);
+    ~MyMainWindow() override;
+
+private:
+    void createDockWidgets();
+    KDDockWidgets::QtWidgets::DockWidget *newDockWidget();
+    QMenu *m_toggleMenu = nullptr;
+    const ExampleOptions m_exampleOptions;
+
+    QVector<KDDockWidgets::QtWidgets::DockWidget *> m_dockwidgets;
+};

3rdparty/kddockwidgets/examples/dockwidgets/MyTitleBar_CSS.h

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+/*
+  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.
+*/
+
+#ifndef EXAMPLETITLEBAR_CSS_H
+#define EXAMPLETITLEBAR_CSS_H
+
+#pragma once
+
+#include <kddockwidgets/qtwidgets/views/TitleBar.h>
+#include <kddockwidgets/core/TitleBar.h>
+
+/**
+ * @brief Shows how to implement a custom titlebar which uses "Qt StyleSheets".
+ *
+ * Derive from KDDockWidgets::QtWidgets::ViewFactory and override the createTitleBar() method.
+ *
+ * To try it out, modify examples/dockwidgets/MyViewFactory.cpp to return a MyTitleBar_CSS instance.
+ * Run the example with: ./bin/qtwidgets_dockwidgets -p
+ *
+ * WARNINGS:
+ *   - Qt StyleSheets are not recommended for new applications. Often you are able to style 90% of
+ *   the application but then hit a road block. QStyle is much more powerful and flexible.
+ *   - The Qt maintainers have manifested intention to deprecated stylesheets.
+ *   - Stylesheets are supported for built-in QWidgets (QPushButton, QComboBox, etc.), any widget
+ *   that's not in Qt needs to be crafted by the user, that includes, for example, having to paint
+ *   your background manually. KDDockWidget::QtWidgets::TitleBar does this for your
+ * convenience though.
+ *   - Qt stylesheets don't react to property changes (known old bug in Qt), for example:
+ *     QLineEdit[readOnly="true"] { color: gray }
+ *     this won't trigger when readOnly changes to false, you need to set/unset. This is QTBUG-51236
+ *   - KDDockWidget::QtWidgets::TitleBar::isFocused is a property, there for needs to
+ * workaround the above bug by unsetting the sheet and setting it again.
+ */
+class MyTitleBar_CSS : public KDDockWidgets::QtWidgets::TitleBar
+{
+public:
+    explicit MyTitleBar_CSS(KDDockWidgets::Core::TitleBar *controller,
+                            KDDockWidgets::Core::View *parent = nullptr)
+        : KDDockWidgets::QtWidgets::TitleBar(controller, parent)
+    {
+        initStyleSheet();
+        connect(this, &KDDockWidgets::QtWidgets::TitleBar::isFocusedChanged, this, [this] {
+            // Workaround QTBUG-51236, this makes the [isFocused=true] syntax useful
+            setStyleSheet(QString());
+            initStyleSheet();
+        });
+    }
+
+    ~MyTitleBar_CSS() override;
+
+    void initStyleSheet()
+    {
+        // Or use qApp->setStyleSheet(), as you prefer
+        setStyleSheet(QStringLiteral("KDDockWidgets--TitleBarWidget {"
+                                     "background: blue"
+                                     "}"
+                                     "KDDockWidgets--TitleBarWidget:hover {"
+                                     "background: red"
+                                     "}"
+                                     "KDDockWidgets--TitleBarWidget[isFocused=true] {"
+                                     "background: green"
+                                     "}"));
+    }
+};
+
+MyTitleBar_CSS::~MyTitleBar_CSS()
+{
+}
+
+#endif

3rdparty/kddockwidgets/examples/dockwidgets/MyViewFactory.cpp

@@ -0,0 +1,113 @@
+/*
+  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 "MyViewFactory.h"
+#include "MyTitleBar_CSS.h"
+
+#include <kddockwidgets/qtwidgets/views/TitleBar.h>
+#include <kddockwidgets/qtwidgets/views/Separator.h>
+#include <kddockwidgets/qtwidgets/views/Group.h>
+#include <kddockwidgets/qtcommon/View.h>
+
+#include <QApplication>
+#include <QPainter>
+
+// clazy:excludeall=missing-qobject-macro,ctor-missing-parent-argument
+
+class MyTitleBar : public KDDockWidgets::QtWidgets::TitleBar
+{
+public:
+    explicit MyTitleBar(KDDockWidgets::Core::TitleBar *controller, KDDockWidgets::Core::View *parent = nullptr)
+        : KDDockWidgets::QtWidgets::TitleBar(controller, parent)
+        , m_controller(controller)
+    {
+        setFixedHeight(60);
+    }
+
+    ~MyTitleBar() override;
+
+    void paintEvent(QPaintEvent *) override
+    {
+        QPainter p(this);
+        QPen pen(Qt::black);
+        const QColor focusedBackgroundColor = Qt::yellow;
+        const QColor backgroundColor = focusedBackgroundColor.darker(115);
+        QBrush brush(m_controller->isFocused() ? focusedBackgroundColor : backgroundColor);
+        pen.setWidth(4);
+        p.setPen(pen);
+        p.setBrush(brush);
+        p.drawRect(rect().adjusted(4, 4, -4, -4));
+        QFont f = qGuiApp->font();
+        f.setPixelSize(30);
+        f.setBold(true);
+        p.setFont(f);
+        p.drawText(QPoint(10, 40), m_controller->title());
+    }
+
+    // Not needed to override. Just here to illustrate setHideDisabledButtons()
+    void init() override
+    {
+        // For demo purposes, we're hiding the close button if it's disabled (non-closable dock widget)
+        // Affects dock #0 when running: ./bin/qtwidgets_dockwidgets -n -p
+        m_controller->setHideDisabledButtons(KDDockWidgets::TitleBarButtonType::Close);
+
+        // But if you do override init(), never forget to call the base method:
+        KDDockWidgets::QtWidgets::TitleBar::init();
+    }
+
+private:
+    KDDockWidgets::Core::TitleBar *const m_controller;
+};
+
+MyTitleBar::~MyTitleBar() = default;
+
+// Inheriting from SeparatorWidget instead of Separator as it handles moving and mouse cursor
+// changing
+class MySeparator : public KDDockWidgets::QtWidgets::Separator
+{
+public:
+    explicit MySeparator(KDDockWidgets::Core::Separator *controller, KDDockWidgets::Core::View *parent)
+        : KDDockWidgets::QtWidgets::Separator(controller, parent)
+    {
+    }
+
+    ~MySeparator() override;
+
+    void paintEvent(QPaintEvent *) override
+    {
+        QPainter p(this);
+        p.fillRect(QWidget::rect(), Qt::cyan);
+    }
+};
+
+MySeparator::~MySeparator() = default;
+
+KDDockWidgets::Core::View *
+CustomWidgetFactory::createTitleBar(KDDockWidgets::Core::TitleBar *controller,
+                                    KDDockWidgets::Core::View *parent) const
+{
+    // Feel free to return MyTitleBar_CSS here instead, but just for education purposes!
+    return new MyTitleBar(controller, parent);
+}
+
+KDDockWidgets::Core::View *
+CustomWidgetFactory::createSeparator(KDDockWidgets::Core::Separator *controller,
+                                     KDDockWidgets::Core::View *parent) const
+{
+    return new MySeparator(controller, parent);
+}
+
+
+KDDockWidgets::Core::View *CustomWidgetFactory::createGroup(KDDockWidgets::Core::Group *controller, KDDockWidgets::Core::View *parent) const
+{
+    // If you want a different styling, just inherit from QtWidgets::Group() and return it here
+    return new KDDockWidgets::QtWidgets::Group(controller, KDDockWidgets::QtCommon::View_qt::asQWidget(parent));
+}

3rdparty/kddockwidgets/examples/dockwidgets/MyViewFactory.h

@@ -0,0 +1,27 @@
+/*
+  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.
+*/
+
+#pragma once
+
+#include <kddockwidgets/qtwidgets/ViewFactory.h>
+
+// clazy:excludeall=ctor-missing-parent-argument
+
+class CustomWidgetFactory : public KDDockWidgets::QtWidgets::ViewFactory
+{
+    Q_OBJECT
+public:
+    KDDockWidgets::Core::View *createTitleBar(KDDockWidgets::Core::TitleBar *,
+                                              KDDockWidgets::Core::View *parent) const override;
+    KDDockWidgets::Core::View *createSeparator(KDDockWidgets::Core::Separator *,
+                                               KDDockWidgets::Core::View *parent = nullptr) const override;
+    KDDockWidgets::Core::View *createGroup(KDDockWidgets::Core::Group *, KDDockWidgets::Core::View *parent) const override;
+};

3rdparty/kddockwidgets/examples/dockwidgets/MyWidget.cpp

@@ -0,0 +1,133 @@
+/*
+  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 "MyWidget.h"
+
+#include <QPainter>
+#include <QDebug>
+#include <QFile>
+#include <QLineEdit>
+#include <QCloseEvent>
+
+static QHash<QString, QImage> s_images; /// clazy:exclude=non-pod-global-static
+
+MyWidget::MyWidget(const QString &backgroundFile, const QString &logoFile, QWidget *parent)
+    : QWidget(parent)
+{
+    if (!backgroundFile.isEmpty()) {
+        auto it = s_images.find(backgroundFile);
+        if (it == s_images.end())
+            it = s_images.insert(backgroundFile, QImage(backgroundFile));
+        m_background = it.value();
+    }
+
+    if (!logoFile.isEmpty()) {
+        auto it = s_images.find(logoFile);
+        if (it == s_images.end())
+            it = s_images.insert(logoFile, QImage(logoFile));
+        m_logo = it.value();
+    }
+
+    setFocusPolicy(Qt::StrongFocus);
+    if (qEnvironmentVariableIsSet("KDDW_DEBUG_FOCUS")) {
+        // Uncomment to show focus propagation working
+        new QLineEdit(this);
+        auto l2 = new QLineEdit(this);
+        l2->move(0, 100);
+        setFocusProxy(l2);
+    }
+}
+
+MyWidget::~MyWidget()
+{
+}
+
+void MyWidget::drawLogo(QPainter &p)
+{
+    if (m_logo.isNull())
+        return;
+
+    const qreal ratio = m_logo.height() / (m_logo.width() * 1.0);
+
+    const int maxWidth = int(0.80 * size().width());
+    const int maxHeight = int(0.80 * size().height());
+
+    const int proposedHeight = int(maxWidth * ratio);
+
+    const int width = proposedHeight <= maxHeight ? maxWidth : int(maxHeight / ratio);
+
+    const int height = int(width * ratio);
+    QRect targetLogoRect(0, 0, width, height);
+    targetLogoRect.moveCenter(rect().center() + QPoint(0, -int(size().height() * 0.00)));
+    p.drawImage(targetLogoRect, m_logo, m_logo.rect());
+}
+
+void MyWidget::blockCloseEvent()
+{
+    m_blocksCloseEvent = true;
+}
+
+void MyWidget::closeEvent(QCloseEvent *ev)
+{
+    if (m_blocksCloseEvent) {
+        ev->ignore();
+    } else {
+        QWidget::closeEvent(ev);
+    }
+}
+
+MyWidget1::MyWidget1(MyWidget::QWidget *parent)
+    : MyWidget(QStringLiteral(":/assets/triangles.png"),
+               QStringLiteral(":/assets/KDAB_bubble_white.png"), parent)
+{
+}
+
+void MyWidget1::paintEvent(QPaintEvent *)
+{
+    QPainter p(this);
+    p.fillRect(rect(), QColor(0xCC, 0xCC, 0xCC));
+    p.drawImage(m_background.rect(), m_background, m_background.rect());
+
+    drawLogo(p);
+}
+
+MyWidget2::MyWidget2(MyWidget::QWidget *parent)
+    : MyWidget(QString(), QStringLiteral(":/assets/KDAB_bubble_blue.png"), parent)
+{
+}
+
+void MyWidget2::paintEvent(QPaintEvent *)
+{
+    QPainter p(this);
+    p.fillRect(rect(), Qt::white);
+    drawLogo(p);
+}
+
+MyWidget3::MyWidget3(MyWidget::QWidget *parent)
+    : MyWidget(QStringLiteral(":/assets/base.png"),
+               QStringLiteral(":/assets/KDAB_bubble_fulcolor.png"), parent)
+    , m_triangle(QImage(QStringLiteral(":/assets/tri.png")))
+{
+}
+
+void MyWidget3::paintEvent(QPaintEvent *)
+{
+    QPainter p(this);
+    p.fillRect(rect(), QColor(0xD5, 0xD5, 0xD5));
+
+    p.drawImage(m_background.rect(), m_background, m_background.rect());
+
+    const QRect targetRect =
+        QRect({ width() - m_triangle.width(), height() - m_triangle.height() }, m_triangle.size());
+
+    p.drawImage(targetRect, m_triangle, m_triangle.rect());
+    drawLogo(p);
+}

3rdparty/kddockwidgets/examples/dockwidgets/MyWidget.h

@@ -0,0 +1,74 @@
+/*
+  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.
+*/
+
+#ifndef EXAMPLEDOCKABLEWIDGET_H
+#define EXAMPLEDOCKABLEWIDGET_H
+
+#pragma once
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QPainter;
+QT_END_NAMESPACE
+
+class MyWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit MyWidget(const QString &backgroundFile, const QString &logoFile,
+                      QWidget *parent = nullptr);
+    ~MyWidget();
+
+    // These two are just for demonstrating how to block the close event, if desired
+    void blockCloseEvent();
+    void closeEvent(QCloseEvent *) override;
+
+protected:
+    void drawLogo(QPainter &);
+    QImage m_background;
+    QImage m_logo;
+    bool m_blocksCloseEvent = false;
+};
+
+class MyWidget1 : public MyWidget
+{
+    Q_OBJECT
+public:
+    explicit MyWidget1(QWidget *parent = nullptr);
+
+protected:
+    void paintEvent(QPaintEvent *) override;
+};
+
+class MyWidget2 : public MyWidget
+{
+    Q_OBJECT
+public:
+    explicit MyWidget2(QWidget *parent = nullptr);
+
+protected:
+    void paintEvent(QPaintEvent *) override;
+};
+
+class MyWidget3 : public MyWidget
+{
+    Q_OBJECT
+public:
+    explicit MyWidget3(QWidget *parent = nullptr);
+
+protected:
+    void paintEvent(QPaintEvent *) override;
+    QImage m_triangle;
+};
+
+
+#endif

3rdparty/kddockwidgets/examples/dockwidgets/main.cpp

@@ -0,0 +1,510 @@
+/*
+  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 "MyWidget.h"
+#include "MyMainWindow.h"
+#include "MyViewFactory.h"
+#include "CtrlKeyEventFilter.h"
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/qtwidgets/ViewFactory.h>
+#include <kddockwidgets/core/DockWidget.h>
+#include <kddockwidgets/core/Draggable_p.h>
+
+#include <QStyleFactory>
+#include <QApplication>
+#include <QDebug>
+#include <QCommandLineParser>
+
+#include <algorithm>
+
+// clazy:excludeall=qstring-allocations
+
+using namespace KDDockWidgets;
+
+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);
+    app.setOrganizationName(QStringLiteral("KDAB"));
+    app.setApplicationName(QStringLiteral("Test app"));
+
+    KDDockWidgets::initFrontend(KDDockWidgets::FrontendType::QtWidgets);
+
+    QCommandLineParser parser;
+    parser.setApplicationDescription("KDDockWidgets example application");
+    parser.addHelpOption();
+
+    // Fusion looks better in general, but feel free to change
+    qApp->setStyle(QStyleFactory::create(QStringLiteral("Fusion")));
+
+    QCommandLineOption customStyle(
+        "p",
+        QCoreApplication::translate("main",
+                                    "Shows how to style framework internals via ViewFactory"));
+    parser.addOption(customStyle);
+
+    QCommandLineOption reorderTabsOption(
+        "r", QCoreApplication::translate("main", "Support re-ordering tabs with mouse"));
+    parser.addOption(reorderTabsOption);
+
+    QCommandLineOption noTitleBars(
+        "t", QCoreApplication::translate("main", "Hide titlebars when tabs are visible"));
+    parser.addOption(noTitleBars);
+
+    QCommandLineOption alwaysTitleBarWhenFloating(
+        "q",
+        QCoreApplication::translate("main",
+                                    "Don't hide title bars if floating, even if "
+                                    "Flag_HideTitleBarWhenTabsVisible is specified."));
+    parser.addOption(alwaysTitleBarWhenFloating);
+
+    QCommandLineOption alwaysTabs(
+        "z", QCoreApplication::translate("main", "Show tabs even if there's only one"));
+    parser.addOption(alwaysTabs);
+
+    QCommandLineOption lazyResizeOption("l",
+                                        QCoreApplication::translate("main", "Use lazy resize"));
+    parser.addOption(lazyResizeOption);
+
+    QCommandLineOption multipleMainWindows(
+        "m", QCoreApplication::translate("main", "Shows two multiple main windows"));
+    parser.addOption(multipleMainWindows);
+
+    QCommandLineOption incompatibleMainWindows(
+        "i",
+        QCoreApplication::translate(
+            "main",
+            "Only usable with -m. Make the two main windows incompatible with each other. "
+            "(Illustrates (MainWindowBase::setAffinityName))"));
+    parser.addOption(incompatibleMainWindows);
+
+    QCommandLineOption tabsHaveCloseButton(
+        "c", QCoreApplication::translate("main", "Tabs have a close button"));
+    parser.addOption(tabsHaveCloseButton);
+
+    QCommandLineOption nonClosableDockWidget(
+        "n", QCoreApplication::translate("main", "DockWidget #0 will be non-closable"));
+    parser.addOption(nonClosableDockWidget);
+
+    QCommandLineOption relativeRestore(
+        "s",
+        QCoreApplication::translate(
+            "main", "Don't restore main window geometry, restore dock widgets in relative sizes"));
+    parser.addOption(relativeRestore);
+
+    QCommandLineOption doubleClickMaximize(
+        "x",
+        QCoreApplication::translate("main",
+                                    "Double clicking a title bar will maximize a floating window"));
+    parser.addOption(doubleClickMaximize);
+
+    QCommandLineOption nonDockable(
+        "d", QCoreApplication::translate("main", "DockWidget #9 will be non-dockable"));
+    parser.addOption(nonDockable);
+
+    QCommandLineOption maximizeButtonOption(
+        "b",
+        QCoreApplication::translate(
+            "main",
+            "Floating dockWidgets have maximize/restore buttons instead of float/dock button"));
+    parser.addOption(maximizeButtonOption);
+
+    QCommandLineOption minimizeButtonOption(
+        "k",
+        QCoreApplication::translate("main",
+                                    "Floating dockWidgets have a minimize button. Implies not "
+                                    "being an utility window (~Qt::Tool)"));
+    parser.addOption(minimizeButtonOption);
+
+    QCommandLineOption segmentedIndicators(
+        "y", QCoreApplication::translate("main", "Use segmented indicators instead of classical"));
+    parser.addOption(segmentedIndicators);
+
+    QCommandLineOption noUtilityWindows(
+        "u",
+        QCoreApplication::translate(
+            "main", "FloatingWindows will be normal windows instead of utility windows"));
+    parser.addOption(noUtilityWindows);
+
+    QCommandLineOption keepAbove(
+        "o",
+        QCoreApplication::translate("main",
+                                    "FloatingWindows will have Qt::WindowStaysOnTopHint. Implies "
+                                    "not being an utility window (try it with -u too)"));
+    parser.addOption(keepAbove);
+
+    parser.addPositionalArgument(
+        "savedlayout",
+        QCoreApplication::translate("main", "loads the specified json file at startup"));
+
+    QCommandLineOption dockableMainWindows(
+        "j",
+        QCoreApplication::translate("main",
+                                    "Allow main windows to be docked inside other main windows"));
+    parser.addOption(dockableMainWindows);
+
+    QCommandLineOption maxSizeOption(
+        "g", QCoreApplication::translate("main", "Make dock #8 have a max-size of 200x200."));
+    parser.addOption(maxSizeOption);
+
+    QCommandLineOption centralFrame(
+        "f", QCoreApplication::translate("main", "Persistent central group"));
+
+    QCommandLineOption autoHideSupport(
+        "w",
+        QCoreApplication::translate("main", "Enables auto-hide/minimization to side-bar support"));
+    parser.addOption(autoHideSupport);
+
+    QCommandLineOption closeOnlyCurrentTab(
+        "close-only-current-tab",
+        QCoreApplication::translate(
+            "main",
+            "The title bar's close button will only close the current tab instead of all. "
+            "Illustrates using Config::Flag_CloseOnlyCurrentTab"));
+    parser.addOption(closeOnlyCurrentTab);
+
+    QCommandLineOption dontCloseBeforeRestore(
+        "dont-close-widget-before-restore", // krazy:exclude=spelling
+        QCoreApplication::translate("main",
+                                    "DockWidgets 6, 7 and 8 won't be closed before a restore. Illustrates "
+                                    "LayoutSaverOption::Skip"));
+    parser.addOption(dontCloseBeforeRestore);
+
+    QCommandLineOption blockCloseEvent(
+        "block-close-event",
+        QCoreApplication::translate("main", "DockWidget #0 will block close events"));
+    parser.addOption(blockCloseEvent);
+
+    QCommandLineOption programmaticDragEvent(
+        "programmatic-drag",
+        QCoreApplication::translate("main", "Shows how to start a drag programmatically (advanced usage)"));
+    parser.addOption(programmaticDragEvent);
+
+    QCommandLineOption showButtonsInTabBarIfTitleBarHidden(
+        "show-buttons-in-tabbar-if-titlebar-hidden",
+        QCoreApplication::translate("main",
+                                    "If we're not using title bars we'll still show the close and "
+                                    "float button in the tab bar"));
+    parser.addOption(showButtonsInTabBarIfTitleBarHidden);
+
+    QCommandLineOption centralWidget(
+        "central-widget",
+        QCoreApplication::translate("main",
+                                    "The main window will have a non-detachable central widget"));
+    parser.addOption(centralWidget);
+
+    QCommandLineOption tabsAtBottom("tabs-at-bottom", QCoreApplication::translate("main", "Shows tabs at bottom"));
+    parser.addOption(tabsAtBottom);
+
+    QCommandLineOption ctxtMenuOnTabs(
+        "allow-switch-tabs-via-menu",
+        QCoreApplication::translate("main", "Allow switching tabs via context menu in tabs area"));
+    parser.addOption(ctxtMenuOnTabs);
+
+    QCommandLineOption hideCertainDockingIndicators(
+        "hide-certain-docking-indicators",
+        QCoreApplication::translate("main",
+                                    "Illustrates usage of Config::setDropIndicatorAllowedFunc()"));
+    parser.addOption(hideCertainDockingIndicators);
+
+    QCommandLineOption ctrlTogglesDropIndicators(
+        "ctrl-toggles-drop-indicators",
+        QCoreApplication::translate("main", "Ctrl key toggles drop indicators"));
+    parser.addOption(ctrlTogglesDropIndicators);
+
+#if defined(DOCKS_DEVELOPER_MODE)
+    parser.addOption(centralFrame);
+
+    QCommandLineOption noQtTool(
+        "no-qttool", QCoreApplication::translate("main", "(internal) Don't use Qt::Tool"));
+    QCommandLineOption noParentForFloating(
+        "no-parent-for-floating",
+        QCoreApplication::translate("main", "(internal) FloatingWindows won't have a parent"));
+    QCommandLineOption nativeTitleBar(
+        "native-title-bar",
+        QCoreApplication::translate("main", "(internal) FloatingWindows a native title bar"));
+    QCommandLineOption noDropIndicators(
+        "no-drop-indicators",
+        QCoreApplication::translate("main", "(internal) Don't use any drop indicators"));
+
+    parser.addOption(noQtTool);
+    parser.addOption(noParentForFloating);
+    parser.addOption(nativeTitleBar);
+    parser.addOption(noDropIndicators);
+
+#if defined(Q_OS_WIN)
+    QCommandLineOption noAeroSnap(
+        "no-aero-snap", QCoreApplication::translate("main", "(internal) Disable AeroSnap"));
+    parser.addOption(noAeroSnap);
+#endif
+#else
+    KDDW_UNUSED(centralFrame)
+#endif
+
+    parser.process(app);
+
+    if (parser.isSet(customStyle)) {
+        Config::self().setViewFactory(new CustomWidgetFactory()); // Sets our custom factory
+
+        // Increase the separator size, just for demo
+        Config::self().setSeparatorThickness(10);
+    }
+
+    if (parser.isSet(segmentedIndicators))
+        KDDockWidgets::Core::ViewFactory::s_dropIndicatorType =
+            KDDockWidgets::DropIndicatorType::Segmented;
+
+    MainWindowOptions options = MainWindowOption_None;
+    auto flags = KDDockWidgets::Config::self().flags();
+#if defined(DOCKS_DEVELOPER_MODE)
+    auto internalFlags = KDDockWidgets::Config::self().internalFlags();
+
+    options = parser.isSet(centralFrame) ? MainWindowOption_HasCentralGroup : MainWindowOption_None;
+
+    if (parser.isSet(centralWidget))
+        options |= MainWindowOption_HasCentralWidget;
+
+    if (parser.isSet(noQtTool))
+        internalFlags |= KDDockWidgets::Config::InternalFlag_DontUseQtToolWindowsForFloatingWindows;
+
+    if (parser.isSet(keepAbove))
+        flags |= KDDockWidgets::Config::Flag_KeepAboveIfNotUtilityWindow;
+
+    if (parser.isSet(noParentForFloating))
+        internalFlags |= KDDockWidgets::Config::InternalFlag_DontUseParentForFloatingWindows;
+
+    if (parser.isSet(nativeTitleBar))
+        flags |= KDDockWidgets::Config::Flag_NativeTitleBar;
+
+    if (parser.isSet(noDropIndicators))
+        KDDockWidgets::Core::ViewFactory::s_dropIndicatorType = KDDockWidgets::DropIndicatorType::None;
+
+#if defined(Q_OS_WIN)
+    if (parser.isSet(noAeroSnap))
+        internalFlags |= KDDockWidgets::Config::InternalFlag_NoAeroSnap;
+#endif
+    Config::self().setInternalFlags(internalFlags);
+#endif
+
+    if (parser.isSet(autoHideSupport))
+        flags |= Config::Flag_AutoHideSupport;
+
+    if (parser.isSet(closeOnlyCurrentTab))
+        flags |= Config::Flag_CloseOnlyCurrentTab;
+
+    if (parser.isSet(showButtonsInTabBarIfTitleBarHidden))
+        flags |= Config::Flag_ShowButtonsOnTabBarIfTitleBarHidden;
+
+    if (parser.isSet(noTitleBars))
+        flags |= KDDockWidgets::Config::Flag_HideTitleBarWhenTabsVisible;
+
+    if (parser.isSet(noUtilityWindows))
+        flags |= KDDockWidgets::Config::Flag_DontUseUtilityFloatingWindows;
+
+    if (parser.isSet(alwaysTabs))
+        flags |= KDDockWidgets::Config::Flag_AlwaysShowTabs;
+
+    if (parser.isSet(alwaysTitleBarWhenFloating)) {
+        flags |= KDDockWidgets::Config::Flag_AlwaysTitleBarWhenFloating;
+        if (!(flags & KDDockWidgets::Config::Flag_HideTitleBarWhenTabsVisible)) {
+            qWarning() << "Flag_AlwaysTitleBarWhenFloating is unneeded if "
+                          "Flag_HideTitleBarWhenTabsVisible isn't used."
+                       << "As floating windows already have title bars by default.";
+        }
+    }
+
+    if (parser.isSet(customStyle) || qEnvironmentVariableIsSet("KDDW_DEBUG_FOCUS"))
+        flags |= KDDockWidgets::Config::Flag_TitleBarIsFocusable; // also showing title bar focus
+                                                                  // with -p, just to not introduce
+                                                                  // another switch
+
+    if (parser.isSet(reorderTabsOption))
+        flags |= KDDockWidgets::Config::Flag_AllowReorderTabs;
+
+    if (parser.isSet(maximizeButtonOption))
+        flags |= KDDockWidgets::Config::Flag_TitleBarHasMaximizeButton;
+
+    if (parser.isSet(minimizeButtonOption))
+        flags |= KDDockWidgets::Config::Flag_TitleBarHasMinimizeButton;
+
+    if (parser.isSet(lazyResizeOption))
+        flags |= KDDockWidgets::Config::Flag_LazyResize;
+
+    if (parser.isSet(tabsHaveCloseButton))
+        flags |= KDDockWidgets::Config::Flag_TabsHaveCloseButton;
+
+    if (parser.isSet(ctxtMenuOnTabs))
+        flags |= KDDockWidgets::Config::Flag_AllowSwitchingTabsViaMenu;
+
+
+    if (parser.isSet(doubleClickMaximize))
+        flags |= KDDockWidgets::Config::Flag_DoubleClickMaximizes;
+
+    if (parser.isSet(incompatibleMainWindows) && !parser.isSet(multipleMainWindows)) {
+        qWarning() << "Error: Argument -i requires -m";
+        return 1;
+    }
+
+    if (parser.isSet(programmaticDragEvent) && parser.isSet(ctrlTogglesDropIndicators)) {
+        qWarning() << "Error: Arguments --programmatic-drag and --ctrl-toggles-drop-indicators are "
+                      "mutually exclusive. The latter is already included in the former.";
+        return 1;
+    }
+
+    if (parser.isSet(hideCertainDockingIndicators)) {
+        // Here we exemplify adding a restriction to "Dock Widget 8"
+        // Dock widget 8 will only be allowed to dock to the outer areas
+        auto func = [](KDDockWidgets::DropLocation location,
+                       const KDDockWidgets::Core::DockWidget::List &source,
+                       const KDDockWidgets::Core::DockWidget::List &target,
+                       Core::DropArea *) {
+            KDDW_UNUSED(target); // When dragging into a tab, 'target' would have the list of already
+                                 // tabbed dock widgets
+
+            const bool isDraggingDW8 =
+                std::find_if(source.cbegin(), source.cend(),
+                             [](KDDockWidgets::Core::DockWidget *dw) {
+                                 return dw->uniqueName() == QLatin1String("DockWidget #8");
+                             })
+                != source.cend();
+
+            return (location & KDDockWidgets::DropLocation_Outter) || !isDraggingDW8;
+        };
+
+        KDDockWidgets::Config::self().setDropIndicatorAllowedFunc(func);
+    }
+
+    KDDockWidgets::Config::self().setTabsAtBottom(parser.isSet(tabsAtBottom));
+    KDDockWidgets::Config::self().setFlags(flags);
+
+
+    MyMainWindow::ExampleOptions exampleOptions = {};
+
+    if (parser.isSet(ctrlTogglesDropIndicators))
+        exampleOptions |= MyMainWindow::ExampleOption::CtrlKeyFiltersDropIndicators;
+    if (parser.isSet(nonClosableDockWidget))
+        exampleOptions |= MyMainWindow::ExampleOption::DockWidget0IsNonClosable;
+    if (parser.isSet(relativeRestore))
+        exampleOptions |= MyMainWindow::ExampleOption::RestoreIsRelative;
+    if (parser.isSet(nonDockable))
+        exampleOptions |= MyMainWindow::ExampleOption::NonDockableDockWidget9;
+    if (parser.isSet(maxSizeOption))
+        exampleOptions |= MyMainWindow::ExampleOption::MaxSizeForDockWidget8;
+    if (parser.isSet(dontCloseBeforeRestore))
+        exampleOptions |= MyMainWindow::ExampleOption::DockWidgets678DontCloseBeforeRestore;
+    if (parser.isSet(blockCloseEvent))
+        exampleOptions |= MyMainWindow::ExampleOption::Dock0BlocksCloseEvent;
+    if (parser.isSet(programmaticDragEvent)) {
+        exampleOptions |= MyMainWindow::ExampleOption::ProgrammaticDragEvent;
+
+        static auto s_ctrlKeyEventFilter = new CtrlKeyEventFilter(qApp);
+
+        /// Here we demonstrate how to use setDragAboutToStartFunc()/setDragEndedFunc() to prevent a drag from happening
+        /// In this made up example:
+        /// 1. If ctrl is pressed, we always allow the drag
+        /// 2. If the drag is programmatic (DockWidget::startDrag()), we always allow the drag as well
+        /// 3. If the dragged widget is already a window, we allow a drag to move it, but not dock it
+        ///   3.1. We also install an event filter to show the drop indicators when ctrl is pressed
+
+        KDDockWidgets::Config::self().setDragAboutToStartFunc([](Core::Draggable *draggable) -> bool {
+            const bool ctrlIsPressed = qGuiApp->keyboardModifiers() & Qt::ControlModifier;
+
+            if (ctrlIsPressed || draggable->isInProgrammaticDrag()) {
+                KDDockWidgets::Config::self().setDropIndicatorsInhibited(false);
+                return true;
+            }
+
+            if (draggable->isWindow()) {
+                qGuiApp->installEventFilter(s_ctrlKeyEventFilter);
+
+                // Ctrl might already be pressed before the DnD even starts, so honour that as well
+                KDDockWidgets::Config::self().setDropIndicatorsInhibited(!ctrlIsPressed);
+
+                return true;
+            }
+
+            return false;
+        });
+
+        KDDockWidgets::Config::self().setDragEndedFunc([]() {
+            // cleanup
+            qGuiApp->removeEventFilter(s_ctrlKeyEventFilter);
+        });
+    }
+
+    const bool usesMainWindowsWithAffinity = parser.isSet(multipleMainWindows);
+    const bool usesDockableMainWindows = parser.isSet(dockableMainWindows);
+
+    MyMainWindow mainWindow(QStringLiteral("MyMainWindow"), options, exampleOptions);
+    mainWindow.setWindowTitle("Main Window 1");
+    mainWindow.resize(1200, 1200);
+    mainWindow.show();
+
+    if (usesMainWindowsWithAffinity) {
+        if (usesDockableMainWindows) {
+            qWarning() << "MainWindows with affinity option is incompatible with Dockable Main "
+                          "Windows option";
+            return 1;
+        }
+
+        // By default a dock widget can dock into any main window.
+        // By setting an affinity name we can prevent that. Dock widgets of different affinities are
+        // incompatible.
+        const QString affinity =
+            parser.isSet(incompatibleMainWindows) ? QStringLiteral("affinity1") : QString();
+
+        auto mainWindow2 =
+            new MyMainWindow(QStringLiteral("MyMainWindow-2"), options, exampleOptions, affinity);
+        if (affinity.isEmpty())
+            mainWindow2->setWindowTitle("Main Window 2");
+        else
+            mainWindow2->setWindowTitle("Main Window 2 (different affinity)");
+
+        mainWindow2->resize(1200, 1200);
+        mainWindow2->show();
+    } else if (usesDockableMainWindows) {
+        auto mainWindowDockWidget =
+            new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyMainWindow-2-DW"));
+
+        const QString affinity = QStringLiteral("Inner-DockWidgets-2");
+        MyMainWindow::ExampleOptions exampleOptions2 = {};
+        if (parser.isSet(relativeRestore))
+            exampleOptions2 |= MyMainWindow::ExampleOption::RestoreIsRelative;
+        auto dockableMainWindow =
+            new MyMainWindow(QStringLiteral("MyMainWindow-2"), options, exampleOptions2, affinity);
+
+        dockableMainWindow->setAffinities({ affinity });
+        dockableMainWindow->setStyleSheet(QStringLiteral("background: yellow"));
+
+        dockableMainWindow->setWindowTitle("Dockable Main Window");
+        dockableMainWindow->show();
+        mainWindowDockWidget->setWidget(dockableMainWindow);
+        mainWindowDockWidget->open();
+        mainWindowDockWidget->resize(QSize(800, 800));
+    }
+
+    const QStringList args = parser.positionalArguments();
+    if (!args.isEmpty()) {
+        const QString sourceJsonFileName = args[0];
+        KDDockWidgets::LayoutSaver loader;
+        if (!loader.restoreFromFile(sourceJsonFileName)) {
+            qWarning() << Q_FUNC_INFO << "Failed to restore from" << sourceJsonFileName;
+            return 1;
+        }
+    }
+
+
+    return app.exec();
+}

3rdparty/kddockwidgets/examples/dockwidgets/resources_example.qrc

@@ -0,0 +1,10 @@
+<RCC>
+    <qresource prefix="/">
+        <file>assets/base.png</file>
+        <file>assets/KDAB_bubble_blue.png</file>
+        <file>assets/KDAB_bubble_fulcolor.png</file>
+        <file>assets/KDAB_bubble_white.png</file>
+        <file>assets/triangles.png</file>
+        <file>assets/tri.png</file>
+    </qresource>
+</RCC>

3rdparty/kddockwidgets/examples/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

3rdparty/kddockwidgets/examples/flutter/lib/MyMenuBar.dart

@@ -0,0 +1,96 @@
+/*
+  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 'package:flutter/material.dart';
+
+class MyMenuBar extends StatelessWidget {
+  const MyMenuBar({super.key});
+
+  List<Widget> dockWidgetsToToggle() {
+    List<Widget> widgets = [];
+    for (int i = 1; i <= 6; ++i) {
+      final String name = "dw$i";
+      widgets.add(MenuItemButton(
+        onPressed: () {
+          // final dw = DockRegistry.self().dockByName(name);
+          // if (dw.isOpen()) {
+          //   dw.close();
+          // } else {
+          //   dw.open();
+          // }
+        },
+        child: Text(name),
+      ));
+    }
+
+    return widgets;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: <Widget>[
+        Row(
+          mainAxisSize: MainAxisSize.min,
+          children: <Widget>[
+            Expanded(
+              child: MenuBar(
+                children: <Widget>[
+                  SubmenuButton(
+                    menuChildren: <Widget>[
+                      MenuItemButton(
+                        onPressed: () {},
+                        child: const MenuAcceleratorLabel('&New DockWidget'),
+                      ),
+                      MenuItemButton(
+                        onPressed: () {
+                          // final saver = LayoutSaver();
+                          // saver.saveToFile("savedLayout.json");
+                        },
+                        child: const MenuAcceleratorLabel('&Save Layout'),
+                      ),
+                      MenuItemButton(
+                        onPressed: () {
+                          // final saver = LayoutSaver();
+                          // saver.restoreFromFile("savedLayout.json");
+                        },
+                        child: const MenuAcceleratorLabel('&Restore Layout'),
+                      ),
+                      MenuItemButton(
+                        onPressed: () {
+                          // DockRegistry.self().clear();
+                        },
+                        child: const MenuAcceleratorLabel('&Close All'),
+                      ),
+                      MenuItemButton(
+                        onPressed: () {},
+                        child: const MenuAcceleratorLabel('&Layout Equally'),
+                      ),
+                      MenuItemButton(
+                        onPressed: () {},
+                        child: const MenuAcceleratorLabel('&Quit'),
+                      ),
+                    ],
+                    child: const MenuAcceleratorLabel('&File'),
+                  ),
+                  SubmenuButton(
+                    menuChildren: dockWidgetsToToggle(),
+                    child: const MenuAcceleratorLabel('&Toggle'),
+                  )
+                ],
+              ),
+            ),
+          ],
+        ),
+      ],
+    );
+  }
+}

3rdparty/kddockwidgets/examples/flutter/lib/MyWidget.dart

@@ -0,0 +1,43 @@
+/*
+  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 '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.asset(
+        imageName(),
+        fit: BoxFit.contain,
+      ),
+    );
+  }
+}

3rdparty/kddockwidgets/examples/flutter/lib/main.dart

@@ -0,0 +1,107 @@
+/*
+  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:developer';
+import 'package:KDDockWidgets/KDDockWidgets.dart';
+
+import 'package:KDDockWidgets/widgets/DockWidget.dart';
+import 'package:KDDockWidgets/widgets/GroupWidget.dart';
+import 'package:KDDockWidgets/widgets/DropAreaWidget.dart';
+
+import 'package:flutter/material.dart';
+// import 'package:KDDockWidgets/WindowOverlayWidget.dart' as KDDW;
+// import 'package:KDDockWidgets/Platform.dart' as KDDW;
+// import 'package:KDDockWidgets/LibraryLoader.dart' as KDDW;
+import 'package:kddockwidgets_flutter_example/MyMenuBar.dart';
+import 'package:kddockwidgets_flutter_example/MyWidget.dart';
+
+void main(List<String> args) {
+  // Just for debug
+  if (args.contains("--wait")) debugger();
+
+  // Needs to be called before using, so it loads the C++ library
+  // KDDW.initLibraryLoader();
+
+  runApp(const MyApp());
+}
+
+class MyApp extends StatelessWidget {
+  const MyApp({Key? key}) : super(key: key);
+
+  // This widget is the root of your application.
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'KDDockWidgets minimal example',
+      theme: ThemeData(
+        primarySwatch: Colors.blue,
+      ),
+      home: const MyHomePage(title: 'Flutter Demo Home Page'),
+    );
+  }
+}
+
+class MyHomePage extends StatefulWidget {
+  final String title;
+
+  const MyHomePage({required this.title, Key? key}) : super(key: key);
+
+  @override
+  State<MyHomePage> createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  // late KDDWBindingsCore.DropArea dropArea;
+  // late MainWindow mainWindow;
+
+  final DropArea dropArea = DropArea();
+
+  _MyHomePageState() {
+    // final windowOverlay = KDDW.WindowOverlayWidget();
+    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 dock13 = DockItem(uniqueName: "dw13", guestWidget: MyWidget());
+
+    dropArea.addDockItem(dock1, Location.LocationOnTop);
+    dropArea.addDockItem(dock2, Location.LocationOnBottom);
+
+    dropArea.groups.first.addDockWidget(dock3);
+    dropArea.groups.first.addDockWidget(dock11);
+    dropArea.groups.first.addDockWidget(dock12);
+    dropArea.groups.first.addDockWidget(dock13);
+  }
+
+  void _incrementCounter() {}
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      // body: Column(children: [
+      //   const MyMenuBar(),
+      //   Expanded(
+      //       child: Stack(children: [mainWindow.flutterWidget, windowOverlay]))
+      // ]),
+      body: DropAreaWidget(dropArea),
+      floatingActionButton: FloatingActionButton(
+        onPressed: _incrementCounter,
+        tooltip: 'Increment',
+        child: const Icon(Icons.add),
+      ),
+    );
+  }
+}

3rdparty/kddockwidgets/examples/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()

3rdparty/kddockwidgets/examples/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})

3rdparty/kddockwidgets/examples/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);
+}

3rdparty/kddockwidgets/examples/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));
+}

3rdparty/kddockwidgets/examples/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_

3rdparty/kddockwidgets/examples/flutter/macos/.gitignore

@@ -0,0 +1,7 @@
+# Flutter-related
+**/Flutter/ephemeral/
+**/Pods/
+
+# Xcode-related
+**/dgph
+**/xcuserdata/

3rdparty/kddockwidgets/examples/flutter/macos/Flutter/Flutter-Debug.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

3rdparty/kddockwidgets/examples/flutter/macos/Flutter/Flutter-Release.xcconfig

@@ -0,0 +1 @@
+#include "ephemeral/Flutter-Generated.xcconfig"

3rdparty/kddockwidgets/examples/flutter/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -0,0 +1,10 @@
+//
+//  Generated file. Do not edit.
+//
+
+import FlutterMacOS
+import Foundation
+
+
+func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+}

3rdparty/kddockwidgets/examples/flutter/macos/Runner.xcodeproj/project.pbxproj

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+/* Begin XCBuildConfiguration section */
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+		};
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+			buildSettings = {
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+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = macosx;
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+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
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+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 9740EEB21CF90195004384FC /* Debug.xcconfig */;
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+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
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+				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
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+				CLANG_WARN_SUSPICIOUS_MOVE = YES;
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+				GCC_C_LANGUAGE_STANDARD = gnu11;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MTL_ENABLE_DEBUG_INFO = YES;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
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+		};
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+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 7AFA3C8E1D35360C0083082E /* Release.xcconfig */;
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+				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
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+				CLANG_CXX_LIBRARY = "libc++";
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+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_DEPRECATED_OBJC_IMPLEMENTATIONS = YES;
+				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
+				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INFINITE_RECURSION = YES;
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+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
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+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
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+				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.14;
+				MTL_ENABLE_DEBUG_INFO = NO;
+				SDKROOT = macosx;
+				SWIFT_COMPILATION_MODE = wholemodule;
+				SWIFT_OPTIMIZATION_LEVEL = "-O";
+			};
+			name = Release;
+		};
+		33CC10FC2044A3C60003C045 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 33E5194F232828860026EE4D /* AppInfo.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/DebugProfile.entitlements;
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "-";
+				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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+				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
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+			name = Debug;
+		};
+		33CC10FD2044A3C60003C045 /* Release */ = {
+			isa = XCBuildConfiguration;
+			baseConfigurationReference = 33E5194F232828860026EE4D /* AppInfo.xcconfig */;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				CLANG_ENABLE_MODULES = YES;
+				CODE_SIGN_ENTITLEMENTS = Runner/Release.entitlements;
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "-";
+				CODE_SIGN_STYLE = Automatic;
+				COMBINE_HIDPI_IMAGES = YES;
+				INFOPLIST_FILE = Runner/Info.plist;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/../Frameworks",
+				);
+				PROVISIONING_PROFILE_SPECIFIER = "";
+				SWIFT_VERSION = 5.0;
+			};
+			name = Release;
+		};
+		33CC111C2044C6BA0003C045 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_STYLE = Manual;
+				PRODUCT_NAME = "$(TARGET_NAME)";
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+			name = Debug;
+		};
+		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 */,
+				331C80DD294CF71000263BE5 /* Profile */,
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+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC10E82044A3C60003C045 /* Build configuration list for PBXProject "Runner" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC10F92044A3C60003C045 /* Debug */,
+				33CC10FA2044A3C60003C045 /* Release */,
+				338D0CE9231458BD00FA5F75 /* Profile */,
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+			defaultConfigurationName = Release;
+		};
+		33CC10FB2044A3C60003C045 /* Build configuration list for PBXNativeTarget "Runner" */ = {
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+			buildConfigurations = (
+				33CC10FC2044A3C60003C045 /* Debug */,
+				33CC10FD2044A3C60003C045 /* Release */,
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+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		33CC111B2044C6BA0003C045 /* Build configuration list for PBXAggregateTarget "Flutter Assemble" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				33CC111C2044C6BA0003C045 /* Debug */,
+				33CC111D2044C6BA0003C045 /* Release */,
+				338D0CEB231458BD00FA5F75 /* Profile */,
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+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 33CC10E52044A3C60003C045 /* Project object */;
+}

3rdparty/kddockwidgets/examples/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>

3rdparty/kddockwidgets/examples/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>

3rdparty/kddockwidgets/examples/flutter/macos/Runner.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "group:Runner.xcodeproj">
+   </FileRef>
+</Workspace>

3rdparty/kddockwidgets/examples/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>

3rdparty/kddockwidgets/examples/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
+  }
+}

3rdparty/kddockwidgets/examples/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"
+  }
+}

3rdparty/kddockwidgets/examples/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>

3rdparty/kddockwidgets/examples/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.

3rdparty/kddockwidgets/examples/flutter/macos/Runner/Configs/Debug.xcconfig

@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Debug.xcconfig"
+#include "Warnings.xcconfig"

3rdparty/kddockwidgets/examples/flutter/macos/Runner/Configs/Release.xcconfig

@@ -0,0 +1,2 @@
+#include "../../Flutter/Flutter-Release.xcconfig"
+#include "Warnings.xcconfig"

3rdparty/kddockwidgets/examples/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

3rdparty/kddockwidgets/examples/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>

3rdparty/kddockwidgets/examples/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>

3rdparty/kddockwidgets/examples/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()
+  }
+}

3rdparty/kddockwidgets/examples/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>

3rdparty/kddockwidgets/examples/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.
+  }
+
+}

3rdparty/kddockwidgets/examples/flutter/pubspec.yaml

@@ -0,0 +1,27 @@
+name: kddockwidgets_flutter_example
+description: KDDockWidgets flutter example
+
+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
+
+  flutter_lints: ^4.0.0
+
+flutter:
+  uses-material-design: true
+  assets:
+    - assets/KDAB_bubble_fulcolor.png
+    - assets/KDAB_bubble_blue.png

3rdparty/kddockwidgets/examples/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
+)

3rdparty/kddockwidgets/examples/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}
+)

3rdparty/kddockwidgets/examples/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)

3rdparty/kddockwidgets/examples/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

3rdparty/kddockwidgets/examples/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);
+}

3rdparty/kddockwidgets/examples/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_

3rdparty/kddockwidgets/examples/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;
+}

3rdparty/kddockwidgets/examples/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

3rdparty/kddockwidgets/examples/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>

3rdparty/kddockwidgets/examples/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;
+}

3rdparty/kddockwidgets/examples/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_

3rdparty/kddockwidgets/examples/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));
+    }
+}

3rdparty/kddockwidgets/examples/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_

3rdparty/kddockwidgets/examples/mdi/CMakeLists.txt

@@ -0,0 +1,36 @@
+# 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.
+#
+
+cmake_minimum_required(VERSION 3.15)
+project(qtwidgets_mdi)
+
+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)
+
+if(NOT TARGET kddockwidgets)
+    # For the purpose of our example, we're looking for Qt5 or Qt6 KDDW.
+    # For your own purposes, just chose the one you need.
+    find_package(KDDockWidgets QUIET)
+    if(NOT KDDockWidgets_FOUND)
+        find_package(KDDockWidgets-qt6 REQUIRED)
+    endif()
+endif()
+
+set(RESOURCES_EXAMPLE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/../dockwidgets/resources_example.qrc)
+
+# Just to reuse MyWidget.h
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../dockwidgets/)
+
+add_executable(qtwidgets_mdi main.cpp ../dockwidgets/MyWidget.cpp ${RESOURCES_EXAMPLE_SRC})
+
+target_link_libraries(qtwidgets_mdi PRIVATE KDAB::kddockwidgets)

3rdparty/kddockwidgets/examples/mdi/main.cpp

@@ -0,0 +1,67 @@
+/*
+  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 "MyWidget.h"
+
+#include <kddockwidgets/qtwidgets/views/MainWindowMDI.h>
+#include <kddockwidgets/DockWidget.h>
+
+#include <QStyleFactory>
+#include <QApplication>
+
+// clazy:excludeall=qstring-allocations
+
+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);
+
+    app.setOrganizationName(QStringLiteral("KDAB"));
+    app.setApplicationName(QStringLiteral("Test app"));
+
+    KDDockWidgets::initFrontend(KDDockWidgets::FrontendType::QtWidgets);
+
+    // Fusion looks better in general, but feel free to change
+    qApp->setStyle(QStyleFactory::create(QStringLiteral("Fusion")));
+
+    // # 1. Create our main window
+
+    KDDockWidgets::QtWidgets::MainWindowMDI mainWindow(QStringLiteral("MyMainWindow"));
+    mainWindow.setWindowTitle("Main Window");
+    mainWindow.resize(1200, 1200);
+    mainWindow.show();
+
+    // # 2. Create a dock widget, it needs a unique name
+    auto dock1 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock1"));
+    auto widget1 = new MyWidget1();
+    dock1->setWidget(widget1);
+
+    auto dock2 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock2"));
+    auto widget2 = new MyWidget2();
+    dock2->setWidget(widget2);
+
+    auto dock3 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock3"));
+    auto widget3 = new MyWidget3();
+    dock3->setWidget(widget3);
+
+    // Just for my personal testing: Overkill to add an option
+    // widget3->blockCloseEvent();
+
+    // # 3. Dock them
+    mainWindow.addDockWidget(dock1, QPoint(10, 10));
+    mainWindow.addDockWidget(dock2, QPoint(50, 50));
+    mainWindow.addDockWidget(dock3, QPoint(90, 90));
+
+    return app.exec();
+}

3rdparty/kddockwidgets/examples/mdi_with_docking/CMakeLists.txt

@@ -0,0 +1,36 @@
+# 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.
+#
+
+cmake_minimum_required(VERSION 3.15)
+project(qtwidgets_mdi_with_docking)
+
+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)
+
+if(NOT TARGET kddockwidgets)
+    # For the purpose of our example, we're looking for Qt5 or Qt6 KDDW.
+    # For your own purposes, just chose the one you need.
+    find_package(KDDockWidgets QUIET)
+    if(NOT KDDockWidgets_FOUND)
+        find_package(KDDockWidgets-qt6 REQUIRED)
+    endif()
+endif()
+
+set(RESOURCES_EXAMPLE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/../dockwidgets/resources_example.qrc)
+
+# Just to reuse MyWidget.h
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../dockwidgets/)
+
+add_executable(qtwidgets_mdi_with_docking main.cpp ../dockwidgets/MyWidget.cpp ${RESOURCES_EXAMPLE_SRC})
+
+target_link_libraries(qtwidgets_mdi_with_docking PRIVATE KDAB::kddockwidgets)

3rdparty/kddockwidgets/examples/mdi_with_docking/main.cpp

@@ -0,0 +1,101 @@
+/*
+  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 "MyWidget.h"
+
+#include <kddockwidgets/MainWindow.h>
+#include <kddockwidgets/DockWidget.h>
+#include <kddockwidgets/qtwidgets/views/MDIArea.h>
+
+#include <QStyleFactory>
+#include <QApplication>
+#include <QCommandLineParser>
+
+// clazy:excludeall=qstring-allocations
+
+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);
+
+    app.setOrganizationName(QStringLiteral("KDAB"));
+    app.setApplicationName(QStringLiteral("App supporting both docking and a MDI area"));
+
+    KDDockWidgets::initFrontend(KDDockWidgets::FrontendType::QtWidgets);
+
+    QCommandLineParser parser;
+    parser.setApplicationDescription("KDDockWidgets MDI mixed with normal docking");
+    parser.addHelpOption();
+
+    QCommandLineOption nestedDocking(
+        "n",
+        QCoreApplication::translate(
+            "main", "The MDI dock widgets will serve as drop areas, allowing for further nesting"));
+    parser.addOption(nestedDocking);
+
+    parser.process(app);
+
+    // Fusion looks better in general, but feel free to change
+    qApp->setStyle(QStyleFactory::create(QStringLiteral("Fusion")));
+
+    // # 1. Create our main window
+
+    KDDockWidgets::QtWidgets::MainWindow mainWindow(
+        QStringLiteral("MyMainWindow"), KDDockWidgets::MainWindowOption_HasCentralWidget);
+    mainWindow.setWindowTitle("Main Window");
+    mainWindow.resize(1600, 1200);
+    mainWindow.show();
+
+    // # 2. Create a dock widget, it needs a unique name
+    auto dock1 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock1"));
+    auto widget1 = new MyWidget1();
+    dock1->setWidget(widget1);
+
+    auto dock2 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock2"));
+    auto widget2 = new MyWidget2();
+    dock2->setWidget(widget2);
+
+    // # 3. Dock them
+    mainWindow.addDockWidget(dock1, KDDockWidgets::Location_OnLeft, nullptr,
+                             KDDockWidgets::InitialOption(QSize(300, 0)));
+    mainWindow.addDockWidget(dock2, KDDockWidgets::Location_OnBottom, nullptr,
+                             KDDockWidgets::InitialOption(QSize(0, 300)));
+
+    KDDockWidgets::DockWidgetOptions options = {};
+    if (parser.isSet(nestedDocking)) {
+        options |= KDDockWidgets::DockWidgetOption_MDINestable;
+    }
+
+    // 4. Create our MDI widgets, which will go into the MDI area
+    auto mdiWidget1 =
+        new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MDI widget1"), options);
+    mdiWidget1->setWidget(new MyWidget1());
+
+    auto mdiWidget2 =
+        new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MDI widget2"), options);
+    mdiWidget2->setWidget(new MyWidget2());
+
+    auto mdiWidget3 =
+        new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MDI widget3"), options);
+    mdiWidget3->setWidget(new MyWidget3());
+
+    auto mdiArea = new KDDockWidgets::QtWidgets::MDIArea();
+    mainWindow.setPersistentCentralWidget(mdiArea);
+
+    mdiArea->addDockWidget(mdiWidget1, QPoint(10, 10));
+    mdiArea->addDockWidget(mdiWidget2, QPoint(50, 50));
+    mdiArea->addDockWidget(mdiWidget3, QPoint(110, 110));
+
+    return app.exec();
+}

3rdparty/kddockwidgets/examples/minimal/CMakeLists.txt

@@ -0,0 +1,33 @@
+# 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.
+#
+
+cmake_minimum_required(VERSION 3.15)
+project(qtwidgets_minimal)
+
+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)
+
+if(NOT TARGET kddockwidgets)
+    # For the purpose of our example, we're looking for Qt5 or Qt6 KDDW.
+    # For your own purposes, just chose the one you need.
+    find_package(KDDockWidgets QUIET)
+    if(NOT KDDockWidgets_FOUND)
+        find_package(KDDockWidgets-qt6 REQUIRED)
+    endif()
+endif()
+
+set(RESOURCES_EXAMPLE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/../dockwidgets/resources_example.qrc)
+
+add_executable(qtwidgets_minimal main.cpp MyWidget.cpp ${RESOURCES_EXAMPLE_SRC})
+
+target_link_libraries(qtwidgets_minimal PRIVATE KDAB::kddockwidgets)

3rdparty/kddockwidgets/examples/minimal/MyWidget.cpp

@@ -0,0 +1,118 @@
+/*
+  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 "MyWidget.h"
+
+#include <QPainter>
+#include <QDebug>
+#include <QFile>
+#include <QLineEdit>
+
+static QHash<QString, QImage> s_images; /// clazy:exclude=non-pod-global-static
+
+MyWidget::MyWidget(const QString &backgroundFile, const QString &logoFile, QWidget *parent)
+    : QWidget(parent)
+{
+    if (!backgroundFile.isEmpty()) {
+        auto it = s_images.find(backgroundFile);
+        if (it == s_images.end())
+            it = s_images.insert(backgroundFile, QImage(backgroundFile));
+        m_background = it.value();
+    }
+
+    if (!logoFile.isEmpty()) {
+        auto it = s_images.find(logoFile);
+        if (it == s_images.end())
+            it = s_images.insert(logoFile, QImage(logoFile));
+        m_logo = it.value();
+    }
+
+    setFocusPolicy(Qt::StrongFocus);
+#if 0
+    // Uncomment to show focus propagation working
+    new QLineEdit(this);
+    auto l2 = new QLineEdit(this);
+    l2->move(0, 100);
+    setFocusProxy(l2);
+#endif
+}
+
+MyWidget::~MyWidget()
+{
+}
+
+void MyWidget::drawLogo(QPainter &p)
+{
+    if (m_logo.isNull())
+        return;
+
+    const qreal ratio = m_logo.height() / (m_logo.width() * 1.0);
+
+    const int maxWidth = int(0.80 * size().width());
+    const int maxHeight = int(0.80 * size().height());
+
+    const int proposedHeight = int(maxWidth * ratio);
+
+    const int width = proposedHeight <= maxHeight ? maxWidth : int(maxHeight / ratio);
+
+    const int height = int(width * ratio);
+    QRect targetLogoRect(0, 0, width, height);
+    targetLogoRect.moveCenter(rect().center() + QPoint(0, -int(size().height() * 0.00)));
+    p.drawImage(targetLogoRect, m_logo, m_logo.rect());
+}
+
+MyWidget1::MyWidget1(MyWidget::QWidget *parent)
+    : MyWidget(QStringLiteral(":/assets/triangles.png"),
+               QStringLiteral(":/assets/KDAB_bubble_white.png"), parent)
+{
+}
+
+void MyWidget1::paintEvent(QPaintEvent *)
+{
+    QPainter p(this);
+    p.fillRect(rect(), QColor(0xCC, 0xCC, 0xCC));
+    p.drawImage(m_background.rect(), m_background, m_background.rect());
+
+    drawLogo(p);
+}
+
+MyWidget2::MyWidget2(MyWidget::QWidget *parent)
+    : MyWidget(QString(), QStringLiteral(":/assets/KDAB_bubble_blue.png"), parent)
+{
+}
+
+void MyWidget2::paintEvent(QPaintEvent *)
+{
+    QPainter p(this);
+    p.fillRect(rect(), Qt::white);
+    drawLogo(p);
+}
+
+MyWidget3::MyWidget3(MyWidget::QWidget *parent)
+    : MyWidget(QStringLiteral(":/assets/base.png"),
+               QStringLiteral(":/assets/KDAB_bubble_fulcolor.png"), parent)
+    , m_triangle(QImage(QStringLiteral(":/assets/tri.png")))
+{
+}
+
+void MyWidget3::paintEvent(QPaintEvent *)
+{
+    QPainter p(this);
+    p.fillRect(rect(), QColor(0xD5, 0xD5, 0xD5));
+
+    p.drawImage(m_background.rect(), m_background, m_background.rect());
+
+    const QRect targetRect =
+        QRect({ width() - m_triangle.width(), height() - m_triangle.height() }, m_triangle.size());
+
+    p.drawImage(targetRect, m_triangle, m_triangle.rect());
+    drawLogo(p);
+}

3rdparty/kddockwidgets/examples/minimal/MyWidget.h

@@ -0,0 +1,70 @@
+/*
+  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.
+*/
+
+#ifndef EXAMPLEDOCKABLEWIDGET_H
+#define EXAMPLEDOCKABLEWIDGET_H
+
+#pragma once
+
+#include <QWidget>
+
+QT_BEGIN_NAMESPACE
+class QPainter;
+QT_END_NAMESPACE
+
+class MyWidget : public QWidget
+{
+    Q_OBJECT
+public:
+    MyWidget() = default;
+    explicit MyWidget(const QString &backgroundFile, const QString &logoFile,
+                      QWidget *parent = nullptr);
+    ~MyWidget();
+
+protected:
+    void drawLogo(QPainter &);
+    QImage m_background;
+    QImage m_logo;
+};
+
+class MyWidget1 : public MyWidget
+{
+    Q_OBJECT
+public:
+    explicit MyWidget1(QWidget *parent = nullptr);
+
+protected:
+    void paintEvent(QPaintEvent *) override;
+};
+
+class MyWidget2 : public MyWidget
+{
+    Q_OBJECT
+public:
+    explicit MyWidget2(QWidget *parent = nullptr);
+
+protected:
+    void paintEvent(QPaintEvent *) override;
+};
+
+class MyWidget3 : public MyWidget
+{
+    Q_OBJECT
+public:
+    explicit MyWidget3(QWidget *parent = nullptr);
+
+protected:
+    void paintEvent(QPaintEvent *) override;
+    QImage m_triangle;
+};
+
+
+#endif

3rdparty/kddockwidgets/examples/minimal/main.cpp

@@ -0,0 +1,87 @@
+/*
+  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 "MyWidget.h"
+
+#include <kddockwidgets/MainWindow.h>
+#include <kddockwidgets/DockWidget.h>
+
+#include <QStyleFactory>
+#include <QApplication>
+
+// clazy:excludeall=qstring-allocations
+
+using namespace KDDockWidgets;
+
+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);
+    app.setOrganizationName(QStringLiteral("KDAB"));
+    app.setApplicationName(QStringLiteral("Test app"));
+
+    KDDockWidgets::initFrontend(KDDockWidgets::FrontendType::QtWidgets);
+
+    // Fusion looks better in general, but feel free to change
+    qApp->setStyle(QStyleFactory::create(QStringLiteral("Fusion")));
+
+    // # 1. Create our main window
+
+    KDDockWidgets::QtWidgets::MainWindow mainWindow(QStringLiteral("MyMainWindow"));
+    mainWindow.setWindowTitle("Main Window");
+    mainWindow.resize(1200, 1200);
+    mainWindow.show();
+
+    // # 2. Create a dock widget, it needs a unique name
+    auto dock1 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock1"));
+    auto widget1 = new MyWidget();
+    dock1->setWidget(widget1);
+
+    auto dock2 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock2"));
+    auto widget2 = new MyWidget(QStringLiteral(":/assets/base.png"),
+                                QStringLiteral(":/assets/KDAB_bubble_fulcolor.png"));
+    dock2->setWidget(widget2);
+
+    auto dock3 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock3"));
+    auto widget3 = new MyWidget(QStringLiteral(":/assets/base.png"),
+                                QStringLiteral(":/assets/KDAB_bubble_fulcolor.png"));
+    dock3->setWidget(widget3);
+
+    auto dock4 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock4"));
+    auto widget4 = new MyWidget(QStringLiteral(":/assets/base.png"),
+                                QStringLiteral(":/assets/KDAB_bubble_fulcolor.png"));
+    dock4->setWidget(widget4);
+
+    auto dock5 = new KDDockWidgets::QtWidgets::DockWidget(QStringLiteral("MyDock5"));
+    auto widget5 = new MyWidget(QStringLiteral(":/assets/base.png"),
+                                QStringLiteral(":/assets/KDAB_bubble_fulcolor.png"));
+    dock5->setWidget(widget5);
+
+    // 3. Add them to the main window
+    mainWindow.addDockWidget(dock1, KDDockWidgets::Location_OnLeft);
+    mainWindow.addDockWidget(dock2, KDDockWidgets::Location_OnTop);
+
+    // 4. Add dock3 to the right of dock2
+    mainWindow.addDockWidget(dock3, KDDockWidgets::Location_OnRight, dock2);
+
+    // 5. dock4 is docked at the bottom, with 200px height
+    const QSize preferredSize(QSize(/*ignored*/ 0, 200));
+    mainWindow.addDockWidget(dock4, KDDockWidgets::Location_OnBottom, nullptr, preferredSize);
+
+
+    // 5. dock5 will be its own top level (floating window)
+    dock5->open();
+
+    return app.exec();
+}

3rdparty/kddockwidgets/examples/qtquick/CMakeLists.txt

@@ -0,0 +1,18 @@
+# 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.
+#
+
+add_subdirectory(dockwidgets)
+add_subdirectory(mdi)
+add_subdirectory(customtitlebar)
+add_subdirectory(customtabbar)
+add_subdirectory(customseparator)
+add_subdirectory(customplayground)
+add_subdirectory(fixed_central_widget)
+add_subdirectory(mdi_with_docking)

3rdparty/kddockwidgets/examples/qtquick/customplayground/CMakeLists.txt

@@ -0,0 +1,35 @@
+# 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.
+#
+
+cmake_minimum_required(VERSION 3.15)
+project(qtquick_customplayground)
+
+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)
+
+if(NOT TARGET kddockwidgets)
+    # For the purpose of our example, we're looking for Qt5 or Qt6 KDDW.
+    # For your own purposes, just chose the one you need.
+    find_package(KDDockWidgets QUIET)
+    if(NOT KDDockWidgets_FOUND)
+        find_package(KDDockWidgets-qt6 REQUIRED)
+    endif()
+endif()
+
+set(RESOURCES_EXAMPLE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/resources_qtquick_example.qrc
+                          ${CMAKE_CURRENT_SOURCE_DIR}/../../dockwidgets/resources_example.qrc
+)
+
+add_executable(qtquick_customplayground main.cpp ${RESOURCES_EXAMPLE_SRC})
+
+target_link_libraries(qtquick_customplayground PRIVATE KDAB::kddockwidgets)

3rdparty/kddockwidgets/examples/qtquick/customplayground/Guest.qml

@@ -0,0 +1,47 @@
+/*
+  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 2.9
+import QtQuick.Controls 2.15
+
+Item {
+    anchors.fill: parent
+
+    property alias background: background.source
+    property alias logo: logo.source
+
+
+    Image {
+        id: background
+        anchors.fill: parent
+        fillMode: Image.PreserveAspectCrop
+
+        Image {
+            id: logo
+
+            fillMode: Image.PreserveAspectFit
+            anchors {
+                fill: parent
+                margins: 50
+            }
+        }
+    }
+
+    TextField {
+        placeholderText: "TextField just to test focus"
+        anchors {
+            bottom: parent.bottom
+            left: parent.left
+            right: parent.right
+            margins: 5
+        }
+    }
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/Guest1.qml

@@ -0,0 +1,18 @@
+/*
+  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 2.9
+
+Guest {
+    anchors.fill: parent
+    background: "qrc:/assets/triangles.png"
+    logo: "qrc:/assets/KDAB_bubble_white.png"
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/Guest2.qml

@@ -0,0 +1,17 @@
+/*
+  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 2.9
+
+Guest {
+    anchors.fill: parent
+    logo: "qrc:/assets/KDAB_bubble_blue.png"
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/Guest3.qml

@@ -0,0 +1,18 @@
+/*
+  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 2.9
+
+Guest {
+    anchors.fill: parent
+    background: "qrc:/assets/base.png"
+    logo: "qrc:/assets/KDAB_bubble_fulcolor.png"
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/Guest4.qml

@@ -0,0 +1,18 @@
+/*
+  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 2.9
+
+Guest {
+    anchors.fill: parent
+    background: "qrc:/assets/triangles.png"
+    logo: "qrc:/assets/KDAB_bubble_white.png"
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/MyDockWidget.qml

@@ -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.
+*/
+
+import QtQuick 2.6
+
+// Will be moved to a plugin in the future, if there's enough demand
+import "qrc:/kddockwidgets/qtquick/views/qml/" as KDDW
+
+KDDW.DockWidget {
+    id: root
+    color:  "black"
+    border.color: (dockWidgetCpp && dockWidgetCpp.isFocused) ? "orange" : "black"
+    border.width: (dockWidgetCpp && dockWidgetCpp.isFocused) ? 2 : 1
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/MySeparator.qml

@@ -0,0 +1,41 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2020 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 2.6
+
+Rectangle {
+    id: root
+    anchors.fill: parent
+    color: "orange"
+
+    readonly property QtObject kddwSeparator: parent
+
+    MouseArea {
+        cursorShape: kddwSeparator ? (kddwSeparator.isVertical ? Qt.SizeVerCursor : Qt.SizeHorCursor)
+                                   : Qt.SizeHorCursor
+        anchors.fill: parent
+        onPressed: {
+            kddwSeparator.onMousePressed();
+        }
+
+        onReleased: {
+            kddwSeparator.onMouseReleased();
+        }
+
+        onPositionChanged: (mouse) => {
+            kddwSeparator.onMouseMoved(Qt.point(mouse.x, mouse.y));
+        }
+
+        onDoubleClicked: {
+            kddwSeparator.onMouseDoubleClicked();
+        }
+    }
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/MyTitleBar.qml

@@ -0,0 +1,83 @@
+/*
+  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
+
+// Will be moved to a plugin in the future, if there's enough demand
+import "qrc:/kddockwidgets/qtquick/views/qml/" as KDDW
+
+KDDW.TitleBarBase {
+    id: root
+    color:  "black"
+    border.color: "orange"
+    border.width: 2
+    heightWhenVisible: 50
+
+    Text {
+        color: isFocused ? "cyan" : "orange"
+        font.bold: isFocused
+        text: root.title
+        anchors {
+            left: parent.left
+            leftMargin: 10
+            verticalCenter: root.verticalCenter
+        }
+    }
+
+    Row {
+        id: buttonRow
+        spacing: 10
+
+        height: root.height - 20
+        anchors {
+            right: root.right
+            rightMargin: 10
+            verticalCenter: root.verticalCenter
+        }
+
+        Rectangle {
+            id: floatButton
+            visible: root.floatButtonVisible
+            radius: 5
+            color: isFocused ? "red" : "white"
+            height: parent.height
+            width: height
+
+            MouseArea {
+                anchors.fill: parent
+                onClicked: {
+                    root.floatButtonClicked();
+                }
+            }
+        }
+
+        Rectangle {
+            id: closeButton
+            enabled: root.closeButtonEnabled
+            radius: 5
+            color: isFocused ? "cyan" : "green"
+            height: parent.height
+            width: height
+
+            Text {
+                anchors.centerIn: parent
+                text: "X"
+            }
+
+            MouseArea {
+                anchors.fill: parent
+                onClicked: {
+                    root.closeButtonClicked();
+                }
+            }
+        }
+    }
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/main.cpp

@@ -0,0 +1,98 @@
+/*
+  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.
+*/
+
+
+#include <kddockwidgets/Config.h>
+#include <kddockwidgets/core/DockRegistry.h>
+#include <kddockwidgets/qtquick/views/DockWidget.h>
+#include <kddockwidgets/qtquick/Platform.h>
+#include <kddockwidgets/qtquick/ViewFactory.h>
+#include <kddockwidgets/qtquick/views/MainWindow.h>
+
+#include <QQuickView>
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+
+/// A playground for playing with styling
+
+class CustomViewFactory : public KDDockWidgets::QtQuick::ViewFactory
+{
+public:
+    ~CustomViewFactory() override;
+
+    QUrl dockwidgetFilename() const override
+    {
+        return QUrl("qrc:/MyDockWidget.qml");
+    }
+
+    QUrl titleBarFilename() const override
+    {
+        return KDDockWidgets::QtQuick::ViewFactory::titleBarFilename();
+    }
+
+    QUrl separatorFilename() const override
+    {
+        return KDDockWidgets::QtQuick::ViewFactory::separatorFilename();
+    }
+
+    QUrl groupFilename() const override
+    {
+        return KDDockWidgets::QtQuick::ViewFactory::groupFilename();
+    }
+
+    QUrl floatingWindowFilename() const override
+    {
+        return KDDockWidgets::QtQuick::ViewFactory::floatingWindowFilename();
+    }
+};
+
+CustomViewFactory::~CustomViewFactory() = default;
+
+int main(int argc, char *argv[])
+{
+#ifdef Q_OS_WIN
+    QGuiApplication::setAttribute(Qt::AA_UseOpenGLES);
+#endif
+    QGuiApplication app(argc, argv);
+    KDDockWidgets::initFrontend(KDDockWidgets::FrontendType::QtQuick);
+
+    auto &config = KDDockWidgets::Config::self();
+    auto flags = config.flags() | KDDockWidgets::Config::Flag_TitleBarIsFocusable;
+
+    config.setFlags(flags);
+    config.setViewFactory(new CustomViewFactory());
+
+    QQmlApplicationEngine appEngine;
+    KDDockWidgets::QtQuick::Platform::instance()->setQmlEngine(&appEngine);
+    appEngine.load((QUrl("qrc:/main.qml")));
+
+    auto dw1 = new KDDockWidgets::QtQuick::DockWidget("Dock #1");
+
+    dw1->setGuestItem(QStringLiteral("qrc:/Guest1.qml"));
+    dw1->resize(QSize(800, 800));
+    dw1->open();
+
+    auto dw2 = new KDDockWidgets::QtQuick::DockWidget("Dock #2");
+    dw2->setGuestItem(QStringLiteral("qrc:/Guest2.qml"));
+    dw2->resize(QSize(800, 800));
+    dw2->open();
+
+    auto dw3 = new KDDockWidgets::QtQuick::DockWidget("Dock #3");
+    dw3->setGuestItem(QStringLiteral("qrc:/Guest3.qml"));
+
+    dw1->addDockWidgetToContainingWindow(dw3, KDDockWidgets::Location_OnRight);
+
+    // Access the main area we created in QML with DockingArea {}
+    auto mainArea = KDDockWidgets::DockRegistry::self()->mainDockingAreas().constFirst();
+    mainArea->addDockWidget(dw2, KDDockWidgets::Location_OnTop);
+
+    return app.exec();
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/main.qml

@@ -0,0 +1,42 @@
+/*
+  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
+
+    KDDW.DockingArea {
+        id: dockWidgetArea
+        anchors.fill: parent
+
+        uniqueName: "MyMainLayout"
+
+        KDDW.DockWidget {
+            id: dock4
+            uniqueName: "dock4"
+            source: "qrc:/Guest4.qml"
+            onIsFocusedChanged: {
+              console.log("Dock4 focus changed to: " + isFocused);
+            }
+        }
+
+        Component.onCompleted: {
+            // The other 3 dock widgets are created via C++ in main.cpp
+            // For illustration purposes, here's a .qml version. Maybe its the preferred form even.
+            addDockWidget(dock4, KDDW.KDDockWidgets.Location_OnBottom);
+        }
+    }
+}

3rdparty/kddockwidgets/examples/qtquick/customplayground/resources_qtquick_example.qrc

@@ -0,0 +1,13 @@
+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+        <file>Guest1.qml</file>
+        <file>Guest2.qml</file>
+        <file>Guest3.qml</file>
+        <file>Guest4.qml</file>
+        <file>Guest.qml</file>
+        <file>MyTitleBar.qml</file>
+        <file>MySeparator.qml</file>
+        <file>MyDockWidget.qml</file>
+    </qresource>
+</RCC>

3rdparty/kddockwidgets/examples/qtquick/customseparator/CMakeLists.txt

@@ -0,0 +1,35 @@
+# 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(qtquick_customseparator)
+
+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)
+
+if(NOT TARGET kddockwidgets)
+    # For the purpose of our example, we're looking for Qt5 or Qt6 KDDW.
+    # For your own purposes, just chose the one you need.
+    find_package(KDDockWidgets QUIET)
+    if(NOT KDDockWidgets_FOUND)
+        find_package(KDDockWidgets-qt6 REQUIRED)
+    endif()
+endif()
+
+set(RESOURCES_EXAMPLE_SRC ${CMAKE_CURRENT_SOURCE_DIR}/resources_qtquick_example.qrc
+                          ${CMAKE_CURRENT_SOURCE_DIR}/../../dockwidgets/resources_example.qrc
+)
+
+add_executable(qtquick_customseparator main.cpp ${RESOURCES_EXAMPLE_SRC})
+
+target_link_libraries(qtquick_customseparator PRIVATE KDAB::kddockwidgets)

3rdparty/kddockwidgets/examples/qtquick/customseparator/Guest.qml

@@ -0,0 +1,36 @@
+/*
+  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 2.9
+
+Item {
+    anchors.fill: parent
+
+    property alias background: background.source
+    property alias logo: logo.source
+
+
+    Image {
+        id: background
+        anchors.fill: parent
+        fillMode: Image.PreserveAspectCrop
+
+        Image {
+            id: logo
+
+            fillMode: Image.PreserveAspectFit
+            anchors {
+                fill: parent
+                margins: 50
+            }
+        }
+    }
+}

3rdparty/kddockwidgets/examples/qtquick/customseparator/Guest1.qml

@@ -0,0 +1,18 @@
+/*
+  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 2.9
+
+Guest {
+    anchors.fill: parent
+    background: "qrc:/assets/triangles.png"
+    logo: "qrc:/assets/KDAB_bubble_white.png"
+}

3rdparty/kddockwidgets/examples/qtquick/customseparator/Guest2.qml

@@ -0,0 +1,17 @@
+/*
+  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 2.9
+
+Guest {
+    anchors.fill: parent
+    logo: "qrc:/assets/KDAB_bubble_blue.png"
+}

3rdparty/kddockwidgets/examples/qtquick/customseparator/Guest3.qml

@@ -0,0 +1,18 @@
+/*
+  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 2.9
+
+Guest {
+    anchors.fill: parent
+    background: "qrc:/assets/base.png"
+    logo: "qrc:/assets/KDAB_bubble_fulcolor.png"
+}

3rdparty/kddockwidgets/examples/qtquick/customseparator/Guest4.qml

@@ -0,0 +1,18 @@
+/*
+  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 2.9
+
+Guest {
+    anchors.fill: parent
+    background: "qrc:/assets/triangles.png"
+    logo: "qrc:/assets/KDAB_bubble_white.png"
+}

3rdparty/kddockwidgets/examples/qtquick/customseparator/MySeparator.qml

@@ -0,0 +1,65 @@
+/*
+  This file is part of KDDockWidgets.
+
+  SPDX-FileCopyrightText: 2020 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 2.6
+
+Rectangle {
+    id: root
+    anchors.fill: parent
+    color: "orange"
+
+    // Might be needed as MouseArea overlaps with the dock widgets, since it's bigger than
+    // its parent.
+    z: 2
+
+    readonly property QtObject kddwSeparator: parent
+
+    MouseArea {
+        cursorShape: kddwSeparator ? (kddwSeparator.isVertical ? Qt.SizeVerCursor : Qt.SizeHorCursor)
+                                   : Qt.SizeHorCursor
+
+        // Make the MouseArea bigger than its parent, so it can detect mouse easier
+        // Since we're using only 2px of thickness.
+        readonly property int hoverThreshold: 2
+        anchors {
+            left: parent.left
+            right: parent.right
+            top: parent.top
+            bottom: parent.bottom
+            leftMargin: (kddwSeparator && !kddwSeparator.isVertical) ? -hoverThreshold : 0
+            rightMargin: (kddwSeparator && !kddwSeparator.isVertical) ? -hoverThreshold : 0
+            topMargin: (kddwSeparator && kddwSeparator.isVertical) ? -hoverThreshold : 0
+            bottomMargin: (kddwSeparator && kddwSeparator.isVertical) ? -hoverThreshold : 0
+        }
+
+        // uncomment for debugging your mouse area
+        // Rectangle {
+        //     color: "red"
+        //     anchors.fill: parent
+        // }
+
+        onPressed: {
+            kddwSeparator.onMousePressed();
+        }
+
+        onReleased: {
+            kddwSeparator.onMouseReleased();
+        }
+
+        onPositionChanged: (mouse) => {
+            kddwSeparator.onMouseMoved(Qt.point(mouse.x, mouse.y));
+        }
+
+        onDoubleClicked: {
+            kddwSeparator.onMouseDoubleClicked();
+        }
+    }
+}

3rdparty/kddockwidgets/examples/qtquick/customseparator/MyTitleBar.qml

@@ -0,0 +1,54 @@
+/*
+  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
+
+// Will be moved to a plugin in the future, if there's enough demand
+import "qrc:/kddockwidgets/qtquick/views/qml/" as KDDW
+
+KDDW.TitleBarBase {
+    id: root
+    color:  "black"
+    border.color: "orange"
+    border.width: 2
+    heightWhenVisible: 50
+
+    Text {
+        color: isFocused ? "cyan" : "orange"
+        font.bold: isFocused
+        text: root.title
+        anchors {
+            left: parent.left
+            leftMargin: 10
+            verticalCenter: root.verticalCenter
+        }
+    }
+
+    Rectangle {
+        id: closeButton
+        enabled: root.closeButtonEnabled
+        radius: 5
+        color: isFocused ? "cyan" : "green"
+        height: root.height - 20
+        width: height
+        anchors {
+            right: root.right
+            rightMargin: 10
+            verticalCenter: root.verticalCenter
+        }
+        MouseArea {
+            anchors.fill: parent
+            onClicked: {
+                root.closeButtonClicked();
+            }
+        }
+    }
+}