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wayland: don't attempt to unqueue events when events are paused

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When events are paused, we should not return TRUE from prepare() or check().
GTK+ handles this for events that are already in the GTK+ queue, but
we also need suppress checks for events that are in the system queue - if we
return TRUE indicating that there are events in the system queue, then we'll
call dispatch(), and do nothing. The event source will spin, and will never
run the other phases of the paint clock.

https://bugzilla.gnome.org/show_bug.cgi?id=694274
This commit is contained in:
Thomas Wood 2013-02-20 13:53:59 +00:00 committed by Owen W. Taylor
parent 919a5e3e24
commit 00a107cc4c
1 changed files with 6 additions and 0 deletions
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6
gdk/wayland/gdkeventsource.c
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@ -37,6 +37,9 @@ gdk_event_source_prepare(GSource *base, gint *timeout)
*timeout = -1;
if (source->display->event_pause_count > 0)
return FALSE;
/* We have to add/remove the GPollFD if we want to update our
* poll event mask dynamically. Instead, let's just flush all
* write on idle instead, which is what this amounts to. */
@ -57,6 +60,9 @@ gdk_event_source_check(GSource *base)
if (source->pfd.revents & (G_IO_ERR | G_IO_HUP))
g_error ("Lost connection to wayland compositor");
if (source->display->event_pause_count > 0)
return FALSE;
return _gdk_event_queue_find_first (source->display) != NULL ||
source->pfd.revents;
}