[gtk+/touch-for-3.4-2: 37/44] gdk: Let implicit touch grabs coexist with an implicit pointer grab

[Matthias Clasen <matthiasc src gnome org>]

commit 688a97457024efe2a3cb7e50d5bdf5d92638b992
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Feb 21 03:27:51 2012 +0100

    gdk: Let implicit touch grabs coexist with an implicit pointer grab
    
    Create the backing GdkTouchGrabInfo for touches even if the pointer
    emulating touch sequence is already holding an implicit grab on a
    window that didn't select for touch events.

 gdk/gdkwindow.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 5db6c57..a27fae9 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -9481,6 +9481,7 @@ proxy_button_event (GdkEvent *source_event,
   GdkWindow *parent;
   GdkEvent *event;
   GdkPointerWindowInfo *pointer_info;
+  GdkDeviceGrabInfo *pointer_grab;
   guint state;
   guint32 time_;
   GdkEventType type;
@@ -9506,11 +9507,14 @@ proxy_button_event (GdkEvent *source_event,
   sequence = gdk_event_get_event_sequence (source_event);
 
   pointer_info = _gdk_display_get_pointer_info (display, device);
+  pointer_grab = _gdk_display_has_device_grab (display, device, serial);
 
   if ((type == GDK_BUTTON_PRESS ||
        type == GDK_TOUCH_BEGIN) &&
       !source_event->any.send_event &&
-      _gdk_display_has_device_grab (display, device, serial) == NULL)
+      (!pointer_grab ||
+       (type == GDK_TOUCH_BEGIN && pointer_grab->implicit &&
+        !_gdk_event_get_pointer_emulated (source_event))))
     {
       pointer_window =
 	_gdk_window_find_descendant_at (toplevel_window,