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Ignore mouse motion events when the window does not have keyboard focus

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This commit is contained in:
Nick Briggs
2024-08-15 20:36:26 -07:00
parent cec93e6ae5
commit fd90bbf9b9
1 changed files with 20 additions and 1 deletions
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21
src/sdl.c
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@@ -46,7 +46,7 @@ static Uint32 sdl_foreground;
static Uint32 sdl_background;
static int sdl_bytesperpixel;
static SDL_PixelFormat *sdl_pixelformat;
static int sdl_window_focusp = 0;
extern void kb_trans(u_short keycode, u_short upflg);
extern int error(const char *s);
@@ -625,6 +625,22 @@ void process_SDLevents() {
sdl_windowheight = event.window.data2;
sdl_update_viewport(sdl_windowwidth, sdl_windowheight);
break;
case SDL_WINDOWEVENT_ENTER:
break;
case SDL_WINDOWEVENT_LEAVE:
break;
case SDL_WINDOWEVENT_SHOWN:
break;
case SDL_WINDOWEVENT_HIDDEN:
break;
case SDL_WINDOWEVENT_EXPOSED:
break;
case SDL_WINDOWEVENT_FOCUS_GAINED:
sdl_window_focusp = 1;
break;
case SDL_WINDOWEVENT_FOCUS_LOST:
sdl_window_focusp = 0;
break;
}
break;
#else
@@ -673,6 +689,7 @@ void process_SDLevents() {
int ix, iy;
float x, y;
#endif
if (!sdl_window_focusp) break;
SDL_GetMouseState(&x, &y);
x /= sdl_pixelscale;
y /= sdl_pixelscale;
@@ -727,6 +744,8 @@ void process_SDLevents() {
printf("mousewheel mouse %d x %d y %d direction %s\n", event.wheel.which, event.wheel.x,
event.wheel.y,
event.wheel.direction == SDL_MOUSEWHEEL_NORMAL ? "normal" : "flipped");
*/
/*
these are the 4 key bits for mouse wheel/trackpad scrolling - which unlike X11 are
*not* presented as mouse button down/up events for each scroll action