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Allow SDL2 window to be resized

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This commit is contained in:
Thomas Bernard 2018-06-26 12:29:37 +02:00
parent 13883b7928
commit 53aa22263f
2 changed files with 36 additions and 3 deletions
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23
src/input.c
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@ -933,6 +933,29 @@ int Get_input(int sleep_time)
break;
#endif
#if defined(USE_SDL2)
case SDL_WINDOWEVENT:
switch(event.window.event)
{
case SDL_WINDOWEVENT_RESIZED: // change by external event (user or window manager)
Resize_width = event.window.data1;
Resize_height = event.window.data2;
// forbid window size < 320x200
if (Resize_width < 320)
Resize_width = 320;
if (Resize_height < 200)
Resize_height = 200;
if (Resize_width != event.window.data1 || Resize_height != event.window.data2)
SDL_SetWindowSize(SDL_GetWindowFromID(event.window.windowID), Resize_width, Resize_height);
break;
case SDL_WINDOWEVENT_CLOSE:
Quit_is_required = 1;
user_feedback_required = 1;
break;
}
break;
#endif
case SDL_QUIT:
Handle_window_exit(event.quit);
user_feedback_required = 1;

16
src/sdlscreen.c
View File

@ -142,10 +142,20 @@ void GFX2_Set_mode(int *width, int *height, int fullscreen)
}
#else
// SDL2
Window_SDL = SDL_CreateWindow("GrafX2", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
*width, *height, (fullscreen?SDL_WINDOW_FULLSCREEN:SDL_WINDOW_RESIZABLE));
Renderer_SDL = SDL_CreateRenderer(Window_SDL, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
if (Window_SDL == NULL)
{
Window_SDL = SDL_CreateWindow("GrafX2", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
*width, *height, (fullscreen?SDL_WINDOW_FULLSCREEN:SDL_WINDOW_RESIZABLE));
Renderer_SDL = SDL_CreateRenderer(Window_SDL, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
}
//else
// SDL_SetWindowSize(Window_SDL, *width, *height);
//SDL_GetWindowSize(Window_SDL, width, height);
if (Texture_SDL != NULL)
SDL_DestroyTexture(Texture_SDL);
Texture_SDL = SDL_CreateTexture(Renderer_SDL, SDL_PIXELFORMAT_ARGB8888, SDL_TEXTUREACCESS_STREAMING, *width, *height);
if (Screen_SDL != NULL)
SDL_FreeSurface(Screen_SDL);
Screen_SDL = SDL_CreateRGBSurface(0, *width, *height, 8, 0, 0, 0, 0);
#endif