SDL/src/video/windows/SDL_windowswindow.h

/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"

#ifndef SDL_windowswindow_h_
#define SDL_windowswindow_h_

#if SDL_VIDEO_OPENGL_EGL   
#include "../SDL_egl_c.h"
#else
#include "../SDL_sysvideo.h"
#endif

/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif

typedef struct
{
    SDL_Window *window;
    HWND hwnd;
    HWND parent;
    HDC hdc;
    HDC mdc;
    HINSTANCE hinstance;
    HBITMAP hbm;
    WNDPROC wndproc;
    HHOOK keyboard_hook;
    SDL_bool created;
    WPARAM mouse_button_flags;
    LPARAM last_pointer_update;
    WCHAR high_surrogate;
    SDL_bool initializing;
    SDL_bool expected_resize;
    SDL_bool in_border_change;
    SDL_bool in_title_click;
    Uint8 focus_click_pending;
    SDL_bool skip_update_clipcursor;
    Uint32 last_updated_clipcursor;
    SDL_bool mouse_relative_mode_center;
    SDL_bool windowed_mode_was_maximized;
    SDL_bool in_window_deactivation;
    RECT cursor_clipped_rect;
    SDL_Point last_raw_mouse_position;
    SDL_bool mouse_tracked;
    struct SDL_VideoData *videodata;
#if SDL_VIDEO_OPENGL_EGL  
    EGLSurface egl_surface;
#endif
    /**
     * Cached value of GetDpiForWindow, for use for scaling points in the client area
     * between dpi-scaled points and pixels. Only used if videodata->dpi_scaling_enabled.
     */
    int scaling_dpi;
} SDL_WindowData;

extern int WIN_CreateWindow(_THIS, SDL_Window * window);
extern int WIN_CreateWindowFrom(_THIS, SDL_Window * window, const void *data);
extern void WIN_SetWindowTitle(_THIS, SDL_Window * window);
extern void WIN_SetWindowIcon(_THIS, SDL_Window * window, SDL_Surface * icon);
extern void WIN_SetWindowPosition(_THIS, SDL_Window * window);
extern void WIN_SetWindowSize(_THIS, SDL_Window * window);
extern int WIN_GetWindowBordersSize(_THIS, SDL_Window * window, int *top, int *left, int *bottom, int *right);
extern int WIN_SetWindowOpacity(_THIS, SDL_Window * window, float opacity);
extern void WIN_ShowWindow(_THIS, SDL_Window * window);
extern void WIN_HideWindow(_THIS, SDL_Window * window);
extern void WIN_RaiseWindow(_THIS, SDL_Window * window);
extern void WIN_MaximizeWindow(_THIS, SDL_Window * window);
extern void WIN_MinimizeWindow(_THIS, SDL_Window * window);
extern void WIN_RestoreWindow(_THIS, SDL_Window * window);
extern void WIN_SetWindowBordered(_THIS, SDL_Window * window, SDL_bool bordered);
extern void WIN_SetWindowResizable(_THIS, SDL_Window * window, SDL_bool resizable);
extern void WIN_SetWindowAlwaysOnTop(_THIS, SDL_Window * window, SDL_bool on_top);
extern void WIN_SetWindowFullscreen(_THIS, SDL_Window * window, SDL_VideoDisplay * display, SDL_bool fullscreen);
extern int WIN_SetWindowGammaRamp(_THIS, SDL_Window * window, const Uint16 * ramp);
extern void* WIN_GetWindowICCProfile(_THIS, SDL_Window * window, size_t * size);
extern int WIN_GetWindowGammaRamp(_THIS, SDL_Window * window, Uint16 * ramp);
extern void WIN_SetWindowMouseRect(_THIS, SDL_Window * window);
extern void WIN_SetWindowMouseGrab(_THIS, SDL_Window * window, SDL_bool grabbed);
extern void WIN_SetWindowKeyboardGrab(_THIS, SDL_Window * window, SDL_bool grabbed);
extern void WIN_DestroyWindow(_THIS, SDL_Window * window);
extern SDL_bool WIN_GetWindowWMInfo(_THIS, SDL_Window * window,
                                    struct SDL_SysWMinfo *info);
extern void WIN_OnWindowEnter(_THIS, SDL_Window * window);
extern void WIN_UpdateClipCursor(SDL_Window *window);
extern int WIN_SetWindowHitTest(SDL_Window *window, SDL_bool enabled);
extern void WIN_GetDrawableSize(const SDL_Window *window, int *w, int *h);
extern void WIN_ClientPointToSDL(const SDL_Window *window, int *w, int *h);
extern void WIN_ClientPointFromSDL(const SDL_Window *window, int *w, int *h);
extern void WIN_AcceptDragAndDrop(SDL_Window * window, SDL_bool accept);
extern int WIN_FlashWindow(_THIS, SDL_Window * window, SDL_FlashOperation operation);

/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif

#endif /* SDL_windowswindow_h_ */

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