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x11/dnd: Ignore grab broken events from other devices than our DnD device.

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The GdkDragContext should only listen to GDK_GRAB_BROKEN events sent to
its own pointer device. It turns out that the passive key grabs mistake
GDK into sending a GdkEventGrabBroken on the master keyboard, which the
DnD machinery mistakes as a signal to cancel the operation.

https://bugzilla.gnome.org/show_bug.cgi?id=766442
This commit is contained in:
Carlos Garnacho 2016-05-17 19:27:00 +02:00
parent 783c302198
commit 1d04bdf845
1 changed files with 4 additions and 0 deletions
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4
gdk/x11/gdkdnd-x11.c
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@ -3042,6 +3042,10 @@ gdk_dnd_handle_grab_broken_event (GdkDragContext *context,
event->grab_window == x11_context->ipc_window)
return FALSE;
if (gdk_event_get_device ((GdkEvent *) event) !=
gdk_drag_context_get_device (context))
return FALSE;
gdk_drag_context_cancel (context, GDK_DRAG_CANCEL_ERROR);
return TRUE;
}