First Commit

pcsx2-qt/Debugger/Docking/DockMenuBar.h

@@ -0,0 +1,93 @@
+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+
+#include "Debugger/Docking/DockLayout.h"
+
+#include <QtWidgets/QMenuBar>
+#include <QtWidgets/QProxyStyle>
+#include <QtWidgets/QPushButton>
+#include <QtWidgets/QTabBar>
+#include <QtWidgets/QWidget>
+
+class DockMenuBarStyle;
+
+// The widget that replaces the normal menu bar. This contains the original menu
+// bar, the layout switcher and the layout locked/unlocked toggle button.
+class DockMenuBar : public QWidget
+{
+	Q_OBJECT
+
+public:
+	DockMenuBar(QWidget* original_menu_bar, QWidget* parent = nullptr);
+
+	void updateLayoutSwitcher(DockLayout::Index current_index, const std::vector<DockLayout>& layouts);
+
+	void updateTheme();
+
+	// Notify the menu bar that a new layout has been selected.
+	void onCurrentLayoutChanged(DockLayout::Index current_index);
+
+	// Notify the menu bar that the layout has been locked/unlocked.
+	void onLockStateChanged(bool layout_locked);
+
+	void startBlink(DockLayout::Index layout_index);
+	void updateBlink();
+	void stopBlink();
+
+	int innerHeight() const;
+
+Q_SIGNALS:
+	void currentLayoutChanged(DockLayout::Index layout_index);
+	void newButtonClicked();
+	void layoutMoved(DockLayout::Index from_index, DockLayout::Index to_index);
+	void lockButtonToggled(bool locked);
+
+	void layoutSwitcherContextMenuRequested(const QPoint& pos, QTabBar* layout_switcher);
+
+protected:
+	void paintEvent(QPaintEvent* event) override;
+
+private:
+	void tabChanged(int index);
+
+	QWidget* m_original_menu_bar;
+
+	QTabBar* m_layout_switcher;
+	QMetaObject::Connection m_tab_connection;
+	int m_plus_tab_index = -1;
+	int m_current_tab_index = -1;
+	bool m_ignore_current_tab_changed = false;
+
+	QTimer* m_blink_timer = nullptr;
+	int m_blink_tab = 0;
+	int m_blink_stage = 0;
+
+	QPushButton* m_layout_locked_toggle;
+	bool m_ignore_lock_state_changed = false;
+
+	DockMenuBarStyle* m_style = nullptr;
+};
+
+// Fixes some theming issues relating to the menu bar, the layout switcher and
+// the layout locked/unlocked toggle button.
+class DockMenuBarStyle : public QProxyStyle
+{
+	Q_OBJECT
+
+public:
+	DockMenuBarStyle(QObject* parent = nullptr);
+
+	void drawControl(
+		ControlElement element,
+		const QStyleOption* option,
+		QPainter* painter,
+		const QWidget* widget = nullptr) const override;
+
+	QSize sizeFromContents(
+		QStyle::ContentsType type,
+		const QStyleOption* option,
+		const QSize& contents_size,
+		const QWidget* widget = nullptr) const override;
+};