Fix synthetically generated mouse events getting lost forever after the device orientation changes (or the window is otherwise resized) while a finger is touching the screen.
diff --git a/src/events/SDL_touch.c b/src/events/SDL_touch.c
index e70214d..ff2d706 100644
--- a/src/events/SDL_touch.c
+++ b/src/events/SDL_touch.c
@@ -262,6 +262,15 @@
/* FIXME: maybe we should only restrict to a few SDL_TouchDeviceType */
if (id != SDL_MOUSE_TOUCHID) {
SDL_Window *window = SDL_GetMouseFocus();
+ if (window == NULL) {
+ /* Mouse focus may have been lost by e.g. the window resizing
+ * due to device orientation change while the mouse state is
+ * pressed (because its position is now out of the window).
+ * SendMouse* will update mouse focus again after that, but
+ * if those are never called then SDL might think the
+ * 'mouse' has no focus at all. */
+ window = SDL_GetKeyboardFocus();
+ }
if (window) {
if (down) {
if (finger_touching == SDL_FALSE) {
