video/out/w32_common: cast wid to uint32_t

olhovpav · olhovpav · commit 983ce1482078 · 2022-06-28T16:43:39.000+03:00
Sometimes negative wids can cause unexpected behavior, so we can zero out all 32 high bits of wid before passing it to WinAPI. Fixes: mpv-player#10189.
diff --git a/video/out/w32_common.c b/video/out/w32_common.c
@@ -1512,7 +1512,7 @@ static void *gui_thread(void *ptr)
     if (w32->api.pImmDisableIME)
         w32->api.pImmDisableIME(0);
 
-    w32->parent = (HWND)(intptr_t)(w32->opts->WinID);
+    w32->parent = (HWND)(intptr_t)(uint32_t)(w32->opts->WinID);
 
     ATOM cls = get_window_class();
     if (w32->parent) {
