duckstation

duckstation, but archived from the revision just before upstream changed it to a proprietary software project, this version is the libre one
git clone https://git.neptards.moe/u3shit/duckstation.git
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displaywidget.h (2060B)

      1 // SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com>
      2 // SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
      3 
      4 #pragma once
      5 
      6 #include "util/window_info.h"
      7 
      8 #include "common/types.h"
      9 
     10 #include <QtWidgets/QStackedWidget>
     11 #include <QtWidgets/QWidget>
     12 #include <optional>
     13 
     14 class QCloseEvent;
     15 
     16 class DisplayWidget final : public QWidget
     17 {
     18   Q_OBJECT
     19 
     20 public:
     21   explicit DisplayWidget(QWidget* parent);
     22   ~DisplayWidget();
     23 
     24   QPaintEngine* paintEngine() const override;
     25 
     26   int scaledWindowWidth() const;
     27   int scaledWindowHeight() const;
     28 
     29   std::optional<WindowInfo> getWindowInfo();
     30 
     31   void updateRelativeMode(bool enabled);
     32   void updateCursor(bool hidden);
     33 
     34   void handleCloseEvent(QCloseEvent* event);
     35   void destroy();
     36 
     37 Q_SIGNALS:
     38   void windowResizedEvent(int width, int height, float scale);
     39   void windowRestoredEvent();
     40   void windowKeyEvent(int key_code, bool pressed);
     41   void windowTextEntered(const QString& text);
     42   void windowMouseButtonEvent(int button, bool pressed);
     43   void windowMouseWheelEvent(const QPoint& angle_delta);
     44 
     45 protected:
     46   bool event(QEvent* event) override;
     47 
     48 private:
     49   bool isActuallyFullscreen() const;
     50   void updateCenterPos();
     51 
     52   QPoint m_relative_mouse_start_pos{};
     53   QPoint m_relative_mouse_center_pos{};
     54   bool m_relative_mouse_enabled = false;
     55 #ifdef _WIN32
     56   bool m_clip_mouse_enabled = false;
     57 #endif
     58   bool m_cursor_hidden = false;
     59   bool m_destroying = false;
     60 
     61   std::vector<u32> m_keys_pressed_with_modifiers;
     62 
     63   u32 m_last_window_width = 0;
     64   u32 m_last_window_height = 0;
     65   float m_last_window_scale = 1.0f;
     66 };
     67 
     68 class DisplayContainer final : public QStackedWidget
     69 {
     70   Q_OBJECT
     71 
     72 public:
     73   DisplayContainer();
     74   ~DisplayContainer();
     75 
     76   // Wayland is broken in lots of ways, so we need to check for it.
     77   static bool isRunningOnWayland();
     78 
     79   static bool isNeeded(bool fullscreen, bool render_to_main);
     80 
     81   void setDisplayWidget(DisplayWidget* widget);
     82   DisplayWidget* removeDisplayWidget();
     83 
     84 protected:
     85   bool event(QEvent* event) override;
     86 
     87 private:
     88   DisplayWidget* m_display_widget = nullptr;
     89 };