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On pointer grab request native events needed for event emulation

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When we grab the pointer we need to request more events than what is
specified, otherwise our event emulation stop working and you won't
e.g. get crossing event unless you specified motion event mask.
This commit is contained in:
Alexander Larsson 2009-09-25 11:28:26 +02:00
parent f8aba14714
commit 3bcf8b39fb
1 changed files with 18 additions and 1 deletions
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19
gdk/gdkwindow.c
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@ -1184,6 +1184,23 @@ get_native_event_mask (GdkWindowObject *private)
}
}
static GdkEventMask
get_native_grab_event_mask (GdkEventMask grab_mask)
{
/* Similar to the above but for pointer events only */
return
GDK_POINTER_MOTION_MASK |
GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK |
GDK_ENTER_NOTIFY_MASK | GDK_LEAVE_NOTIFY_MASK |
GDK_SCROLL_MASK |
(grab_mask &
~(GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON_MOTION_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON2_MOTION_MASK |
GDK_BUTTON3_MOTION_MASK));
}
/* Puts the native window in the right order wrt the other native windows
* in the hierarchy, given the position it has in the client side data.
* This is useful if some operation changed the stacking order.
@ -9564,7 +9581,7 @@ gdk_pointer_grab (GdkWindow * window,
res = _gdk_windowing_pointer_grab (window,
native,
owner_events,
event_mask,
get_native_grab_event_mask (event_mask),
confine_to,
cursor,
time);