diff --git a/src/events/SDL_touch.c b/src/events/SDL_touch.c index 2c5375fd8..a5278d4e7 100644 --- a/src/events/SDL_touch.c +++ b/src/events/SDL_touch.c @@ -257,12 +257,18 @@ SDL_SendTouch(SDL_TouchID id, SDL_FingerID fingerid, if (finger_touching == SDL_FALSE) { int pos_x = (int)(x * (float)window->w); int pos_y = (int)(y * (float)window->h); - SDL_SendMouseMotion(window, SDL_TOUCH_MOUSEID, 0, pos_x, pos_y); - SDL_SendMouseButton(window, SDL_TOUCH_MOUSEID, SDL_PRESSED, SDL_BUTTON_LEFT); + if (pos_x >= 0 && pos_y >= 0 && pos_x < window->w && pos_y < window->h) { + SDL_SendMouseMotion(window, SDL_TOUCH_MOUSEID, 0, pos_x, pos_y); + SDL_SendMouseButton(window, SDL_TOUCH_MOUSEID, SDL_PRESSED, SDL_BUTTON_LEFT); + } } } else { if (finger_touching == SDL_TRUE && track_touchid == id && track_fingerid == fingerid) { - SDL_SendMouseButton(window, SDL_TOUCH_MOUSEID, SDL_RELEASED, SDL_BUTTON_LEFT); + int pos_x = (int)(x * (float)window->w); + int pos_y = (int)(y * (float)window->h); + if (pos_x >= 0 && pos_y >= 0 && pos_x < window->w && pos_y < window->h) { + SDL_SendMouseButton(window, SDL_TOUCH_MOUSEID, SDL_RELEASED, SDL_BUTTON_LEFT); + } } } } @@ -355,7 +361,9 @@ SDL_SendTouchMotion(SDL_TouchID id, SDL_FingerID fingerid, if (finger_touching == SDL_TRUE && track_touchid == id && track_fingerid == fingerid) { int pos_x = (int)(x * (float)window->w); int pos_y = (int)(y * (float)window->h); - SDL_SendMouseMotion(window, SDL_TOUCH_MOUSEID, 0, pos_x, pos_y); + if (pos_x >= 0 && pos_y >= 0 && pos_x < window->w && pos_y < window->h) { + SDL_SendMouseMotion(window, SDL_TOUCH_MOUSEID, 0, pos_x, pos_y); + } } } }