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Filter out all native grab/ungrab events with detail INFERIOR

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These are generated when we get an implicit grab on a native
child window, and we can't filter them with _has_grab() because
they are sent before the button press event where we detect
the implicit grab.

This makes clicks work in the flash plugin again
This commit is contained in:
Alexander Larsson 2009-02-03 22:51:27 +01:00 committed by Alexander Larsson
parent f51a3f5e33
commit fe3c410048
1 changed files with 17 additions and 4 deletions
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21
gdk/gdkwindow.c
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@ -8651,12 +8651,25 @@ _gdk_windowing_got_event (GdkDisplay *display,
event->type == GDK_LEAVE_NOTIFY) &&
(event->crossing.mode == GDK_CROSSING_GRAB ||
event->crossing.mode == GDK_CROSSING_UNGRAB) &&
_gdk_display_has_pointer_grab (display, serial))
(_gdk_display_has_pointer_grab (display, serial) ||
event->crossing.detail == GDK_NOTIFY_INFERIOR))
{
/* We synthesize all crossing events due to grabs outselves,
* so we ignore the native ones when we already have a grab.
* Otherwise we would send multiple events when this app grabs
* We want to handle grabs from other clients though. */
* so we ignore the native ones caused by our native pointer_grab
* calls. Otherwise we would proxy these crossing event and cause
* multiple copies of crossing events for grabs.
*
* We do want to handle grabs from other clients though, as for
* instance alt-tab in metacity causes grabs like these and
* we want to handle those. Thus the has_pointer_grab check.
*
* Implicit grabs on child windows create some grabbing events
* that are sent before the button press. This means we can't
* detect these with the has_pointer_grab check (as the implicit
* grab is only noticed when we get button press event), so we
* detect these events by checking for INFERIOR enter or leave
* events. These should never be a problem to filter out.
*/
/* We ended up in this window after some (perhaps other clients)
grab, so update the toplevel_under_window state */