xwayland: Handle race between multi-pointer motion and clicks
Make sure we're looking at the right location. The frame could have
received a motion event from a pointer from a different wl_seat, but
under X it looks like our core pointer moved. Move the frame pointer
to the button press location before deciding what to do.
diff --git a/xwayland/window-manager.c b/xwayland/window-manager.c
index dd0118e..a7afd84 100644
--- a/xwayland/window-manager.c
+++ b/xwayland/window-manager.c
@@ -1629,6 +1629,13 @@
FRAME_BUTTON_PRESSED : FRAME_BUTTON_RELEASED;
button_id = button->detail == 1 ? BTN_LEFT : BTN_RIGHT;
+ /* Make sure we're looking at the right location. The frame
+ * could have received a motion event from a pointer from a
+ * different wl_seat, but under X it looks like our core
+ * pointer moved. Move the frame pointer to the button press
+ * location before deciding what to do. */
+ location = frame_pointer_motion(window->frame, NULL,
+ button->event_x, button->event_y);
location = frame_pointer_button(window->frame, NULL,
button_id, button_state);
if (frame_status(window->frame) & FRAME_STATUS_REPAINT)