Function ddio_MouseQueueFlush

ddio/lnxmouse.cpp:532–535

resets mouse queue and button info only.

// resets mouse queue and button info only.
void ddio_MouseQueueFlush() {
  memset(&DIM_buttons, 0, sizeof(DIM_buttons));
  MB_queue.flush();
}

// gets a mouse button event, returns false if none.
bool ddio_MouseGetEvent(int *btn, bool *state) {