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gdk: Ignore crossings generated by passive grabs when resetting scroll axes

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Passive grabs may take pointer focus out of the application, even though
the pointer didn't leave the window, but those events still trigger resetting
of the scroll axes. This is most visible with compiz, and possibly other
reparenting WMs, where passive grabs happen on the WM-managed window that
is a parent of the application toplevel.

As it is not possible to have scrolling happening on the timespan a passive
grab takes action, it is entirely safe for GTK+ to assume none happened if
it gets a crossing event of that nature.

https://bugzilla.gnome.org/show_bug.cgi?id=699574#c33
This commit is contained in:
Carlos Garnacho 2013-11-18 22:12:18 +01:00
parent 9127087e1c
commit fee754e0d2
1 changed files with 2 additions and 1 deletions
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3
gdk/x11/gdkdevicemanager-xi2.c
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@ -1585,7 +1585,8 @@ gdk_x11_device_manager_xi2_translate_event (GdkEventTranslator *translator,
GUINT_TO_POINTER (xev->sourceid));
gdk_event_set_source_device (event, source_device);
if (ev->evtype == XI_Enter && xev->detail != XINotifyInferior &&
if (ev->evtype == XI_Enter &&
xev->detail != XINotifyInferior && xev->mode != XINotifyPassiveUngrab &&
gdk_window_get_window_type (window) == GDK_WINDOW_TOPLEVEL)
{
if (gdk_device_get_device_type (source_device) != GDK_DEVICE_TYPE_MASTER)