SDL3/sdl_window.hpp

 
#pragma once
 
#include <string>
#include <vector>
 
#include <SDL3/SDL.h>
 
#include <freerdp/settings_types.h>
 
class SdlWindow
{
  public:
  [[nodiscard]] static SdlWindow create(SDL_DisplayID id, const std::string& title, Uint32 flags,
                                        Uint32 width = 0, Uint32 height = 0);
  /* Create at an explicit position+size (RAIL windows: server-driven geometry). */
  [[nodiscard]] static SdlWindow create(SDL_DisplayID id, const std::string& title, Uint32 flags,
                                        const SDL_Rect& rect);
  /* Popup: no taskbar entry, no keyboard focus, Wayland-positionable (xdg_popup). */
  [[nodiscard]] static SdlWindow createPopup(SDL_Window* parent, const SDL_Rect& rect,
                                             bool transparent, bool tooltip = false);
  [[nodiscard]] static rdpMonitor query(SDL_DisplayID id, bool forceAsPrimary = false);
 
  SdlWindow(SdlWindow&& other) noexcept;
  SdlWindow(const SdlWindow& other) = delete;
  virtual ~SdlWindow();
 
  SdlWindow& operator=(const SdlWindow& other) = delete;
  SdlWindow& operator=(SdlWindow&& other) = delete;
 
  [[nodiscard]] SDL_WindowID id() const;
  [[nodiscard]] SDL_DisplayID displayIndex() const;
  [[nodiscard]] SDL_Rect rect() const;
  [[nodiscard]] SDL_Rect bounds() const;
  [[nodiscard]] SDL_Window* window() const;
  [[nodiscard]] SDL_Renderer* renderer() const;
 
  [[nodiscard]] Sint32 offsetX() const;
  void setOffsetX(Sint32 x);
 
  void setOffsetY(Sint32 y);
  [[nodiscard]] Sint32 offsetY() const;
 
  [[nodiscard]] rdpMonitor monitor(bool isPrimary) const;
  void setMonitor(rdpMonitor monitor);
 
  [[nodiscard]] float scale() const;
  [[nodiscard]] SDL_DisplayOrientation orientation() const;
 
  [[nodiscard]] bool grabKeyboard(bool enable);
  [[nodiscard]] bool grabMouse(bool enable);
  void setBordered(bool bordered);
  void raise();
  void resizeable(bool use);
  void fullscreen(bool enter, bool forceOriginalDisplay);
  void minimize();
 
  [[nodiscard]] bool resizeToScale();
  [[nodiscard]] bool resize(const SDL_Point& size);
 
  [[nodiscard]] bool drawRect(SDL_Surface* surface, SDL_Point offset, const SDL_Rect& srcRect);
  [[nodiscard]] bool drawRects(SDL_Surface* surface, SDL_Point offset,
                               const std::vector<SDL_Rect>& rects = {});
  [[nodiscard]] bool drawScaledRect(SDL_Surface* surface, const SDL_FPoint& scale,
                                    const SDL_Rect& srcRect);
 
  [[nodiscard]] bool drawScaledRects(SDL_Surface* surface, const SDL_FPoint& scale,
                                     const std::vector<SDL_Rect>& rects = {});
 
  [[nodiscard]] bool fill(Uint8 r = 0x00, Uint8 g = 0x00, Uint8 b = 0x00, Uint8 a = 0xff);
 
  [[nodiscard]] bool blit(SDL_Surface* surface, const SDL_Rect& src, SDL_Rect& dst);
  /* Render interactive resize feedback overlay. */
  bool paintResizeFrame(SDL_Surface* surface, SDL_Point off, bool contentChanged,
                        const SDL_Rect& inset = { 0, 0, 0, 0 }, bool fillRevealed = true,
                        bool dashedBorder = true);
  void updateSurface();
 
  protected:
  SdlWindow(SDL_DisplayID id, const std::string& title, const SDL_Rect& rect, Uint32 flags);
  SdlWindow(SDL_Window* parent, const SDL_Rect& rect, bool transparent, bool tooltip);
 
  [[nodiscard]] static bool fill(SDL_Window* window, Uint8 r = 0x00, Uint8 g = 0x00,
                                 Uint8 b = 0x00, Uint8 a = 0xff);
  [[nodiscard]] static rdpMonitor query(SDL_Window* window, SDL_DisplayID id,
                                        bool forceAsPrimary = false);
  [[nodiscard]] static SDL_Rect rect(SDL_Window* window, bool forceAsPrimary = false);
  [[nodiscard]] static SDL_Rect rect(SDL_DisplayID id, bool forceAsPrimary = false);
 
  [[nodiscard]] static bool tryFallback(bool isFullscreen);
 
  enum HighDPIMode
  {
    MODE_INVALID,
    MODE_NONE,
    MODE_WINDOWS,
    MODE_MACOS
  };
 
  [[nodiscard]] static enum HighDPIMode isHighDPIWindowsMode(SDL_Window* window);
 
  private:
  void ensureRenderTarget();
  bool ensureGdiTexture(SDL_Surface* surface);
 
  SDL_Window* _window = nullptr;
  SDL_Renderer* _renderer = nullptr;
  SDL_Texture* _renderTarget = nullptr;
  SDL_Texture* _gdiTexture = nullptr;
  int _gdiTextureW = 0;
  int _gdiTextureH = 0;
  int _initialW = 0;
  int _initialH = 0;
  SDL_DisplayID _displayID = 0;
  Sint32 _offset_x = 0;
  Sint32 _offset_y = 0;
  rdpMonitor _monitor{};
};