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Fixed handling of enter and leave events in clutter_x11_handle_event()

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When processing a motion event, we need to spin the event loop two extra
  times to ensure that any enter/leave events that might have been synthesized
  are pumped through (otherwise they end up being pushed down the queue and
  never processed).
This commit is contained in:
Tomas Frydrych 2009-01-27 16:37:55 +00:00 committed by Tomas Frydrych
parent 7233ca48a8
commit c1de33fafe
1 changed files with 11 additions and 2 deletions
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13
clutter/x11/clutter-event-x11.c
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@ -864,6 +864,7 @@ clutter_x11_handle_event (XEvent *xevent)
ClutterEvent *event;
ClutterMainContext *clutter_context;
ClutterX11FilterReturn result;
gint spin = 1;
/* The return values here are someone approximate; we return
* CLUTTER_X11_FILTER_REMOVE if and only if a clutter event is
@ -895,13 +896,21 @@ clutter_x11_handle_event (XEvent *xevent)
goto out;
}
event = clutter_event_get ();
/*
* Motion events can generate synthetic enter and leave events, so if we
* are processing a motion event, we need to spin the event loop at least
* two extra times to pump the enter/leave events through (otherwise they
* just get pushed down the queue and never processed).
*/
if (event->type == CLUTTER_MOTION)
spin += 2;
if (event)
while (spin > 0 && (event = clutter_event_get ()))
{
/* forward the event into clutter for emission etc. */
clutter_do_event (event);
clutter_event_free (event);
--spin;
}
out: