First Commit

pcsx2-qt/DisplayWidget.h

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+// SPDX-FileCopyrightText: 2002-2025 PCSX2 Dev Team
+// SPDX-License-Identifier: GPL-3.0+
+
+#pragma once
+#include "common/WindowInfo.h"
+#include <QtWidgets/QStackedWidget>
+#include <QtWidgets/QWidget>
+#include <optional>
+#include <vector>
+
+class QCloseEvent;
+
+class DisplayWidget final : public QWidget
+{
+	Q_OBJECT
+
+public:
+	explicit DisplayWidget(QWidget* parent);
+	~DisplayWidget();
+
+	QPaintEngine* paintEngine() const override;
+
+	int scaledWindowWidth() const;
+	int scaledWindowHeight() const;
+
+	std::optional<WindowInfo> getWindowInfo();
+
+	void updateRelativeMode(bool enabled);
+	void updateCursor(bool hidden);
+
+	void handleCloseEvent(QCloseEvent* event);
+	void destroy();
+
+Q_SIGNALS:
+	void windowResizedEvent(int width, int height, float scale);
+	void windowRestoredEvent();
+
+protected:
+	bool event(QEvent* event) override;
+
+private:
+	bool isActuallyFullscreen() const;
+	void updateCenterPos();
+
+	QPoint m_relative_mouse_start_pos{};
+	QPoint m_relative_mouse_center_pos{};
+	bool m_relative_mouse_enabled = false;
+#ifdef _WIN32
+	bool m_clip_mouse_enabled = false;
+#endif
+	bool m_cursor_hidden = false;
+	bool m_destroying = false;
+
+	std::vector<int> m_keys_pressed_with_modifiers;
+
+	u32 m_last_window_width = 0;
+	u32 m_last_window_height = 0;
+	float m_last_window_scale = 1.0f;
+};
+
+class DisplayContainer final : public QStackedWidget
+{
+	Q_OBJECT
+
+public:
+	DisplayContainer();
+	~DisplayContainer();
+
+	// Wayland is broken in lots of ways, so we need to check for it.
+	static bool isRunningOnWayland();
+
+	static bool isNeeded(bool fullscreen, bool render_to_main);
+
+	void setDisplayWidget(DisplayWidget* widget);
+	DisplayWidget* removeDisplayWidget();
+
+protected:
+	bool event(QEvent* event) override;
+
+private:
+	DisplayWidget* m_display_widget = nullptr;
+};