Made window resize around center

This commit is contained in:
Hannah Crawford 2021-09-21 21:21:48 +01:00 committed by Andrew Alderwick
parent f38ba34310
commit 753c5836e6
1 changed files with 19 additions and 2 deletions

View File

@ -85,6 +85,23 @@ audio_callback(void *u, Uint8 *stream, int len)
(void)u; (void)u;
} }
static void
set_window_size(SDL_Window *window, int w, int h)
{
int win_x, win_y;
int win_cent_x, win_cent_y;
int old_win_sz_x, old_win_sz_y;
SDL_GetWindowPosition(window, &win_x, &win_y);
SDL_GetWindowSize(window, &old_win_sz_x, &old_win_sz_y);
win_cent_x = win_x + old_win_sz_x / 2;
win_cent_y = win_y + old_win_sz_y / 2;
SDL_SetWindowPosition(window, win_cent_x - w / 2, win_cent_y - h / 2);
SDL_SetWindowSize(window, w, h);
}
static void static void
inspect(Ppu *p, Uint8 *stack, Uint8 wptr, Uint8 rptr, Uint8 *memory) inspect(Ppu *p, Uint8 *stack, Uint8 wptr, Uint8 rptr, Uint8 *memory)
{ {
@ -154,7 +171,7 @@ static void
toggle_zoom(Uxn *u) toggle_zoom(Uxn *u)
{ {
zoom = zoom == 3 ? 1 : zoom + 1; zoom = zoom == 3 ? 1 : zoom + 1;
SDL_SetWindowSize(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom); set_window_size(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom);
redraw(u); redraw(u);
} }
@ -205,7 +222,7 @@ set_size(Uint16 width, Uint16 height, int is_resize)
if(gTexture == NULL || SDL_SetTextureBlendMode(gTexture, SDL_BLENDMODE_NONE)) if(gTexture == NULL || SDL_SetTextureBlendMode(gTexture, SDL_BLENDMODE_NONE))
return error("sdl_texture", SDL_GetError()); return error("sdl_texture", SDL_GetError());
SDL_UpdateTexture(gTexture, NULL, ppu_screen, sizeof(Uint32)); SDL_UpdateTexture(gTexture, NULL, ppu_screen, sizeof(Uint32));
if(is_resize) SDL_SetWindowSize(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom); if(is_resize) set_window_size(gWindow, (ppu.width + PAD * 2) * zoom, (ppu.height + PAD * 2) * zoom);
reqdraw = 1; reqdraw = 1;
return 1; return 1;
} }