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Send crossing event due to geometry change in idle

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Doing this directly had some issues with picking going recursive in
clutter-gtk. Furthermore, doing it in an idle means we can coalesce
multiple calls (which is common due to widget changes) in the same
toplevel to just one call.
This commit is contained in:
Alexander Larsson 2009-06-11 21:49:17 +02:00
parent 4987ca9235
commit 278e5bd170
2 changed files with 36 additions and 4 deletions
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1
gdk/gdkinternals.h
View File

@ -256,6 +256,7 @@ struct _GdkWindowObject
GdkRegion *clip_region_with_children; /* Clip region in window coords */
GdkCursor *cursor;
gint8 toplevel_window_type;
guint synthesize_crossing_event_queued : 1;
guint effective_visibility : 2;
guint visibility : 2; /* The visibility wrt the toplevel (i.e. based on clip_region) */
guint native_visibility : 2; /* the native visibility of a impl windows */

39
gdk/gdkwindow.c
View File

@ -8691,18 +8691,22 @@ gdk_window_offscreen_children_changed (GdkWindow *window)
_gdk_syntesize_crossing_events_for_geometry_change (window);
}
void
_gdk_syntesize_crossing_events_for_geometry_change (GdkWindow *changed_window)
static gboolean
do_synthesize_crossing_event (gpointer data)
{
GdkDisplay *display;
GdkWindow *changed_toplevel;
GdkWindowObject *changed_toplevel_priv;
GdkWindow *new_window_under_pointer;
gulong serial;
display = gdk_drawable_get_display (changed_window);
changed_toplevel = data;
changed_toplevel_priv = (GdkWindowObject *)changed_toplevel;
display = gdk_drawable_get_display (changed_toplevel);
serial = _gdk_windowing_window_get_next_serial (display);
changed_toplevel = get_event_toplevel (changed_window);
changed_toplevel_priv->synthesize_crossing_event_queued = FALSE;
if (changed_toplevel == display->pointer_info.toplevel_under_pointer)
{
@ -8727,6 +8731,33 @@ _gdk_syntesize_crossing_events_for_geometry_change (GdkWindow *changed_window)
_gdk_display_set_window_under_pointer (display, new_window_under_pointer);
}
}
return FALSE;
}
void
_gdk_syntesize_crossing_events_for_geometry_change (GdkWindow *changed_window)
{
GdkDisplay *display;
GdkWindow *toplevel;
GdkWindowObject *toplevel_priv;
GdkWindow *new_window_under_pointer;
gulong serial;
display = gdk_drawable_get_display (changed_window);
toplevel = get_event_toplevel (changed_window);
toplevel_priv = (GdkWindowObject *)toplevel;
if (toplevel == display->pointer_info.toplevel_under_pointer &&
!toplevel_priv->synthesize_crossing_event_queued)
{
toplevel_priv->synthesize_crossing_event_queued = TRUE;
g_idle_add_full (GDK_PRIORITY_EVENTS - 1,
do_synthesize_crossing_event,
g_object_ref (toplevel),
g_object_unref);
}
}
/* Don't use for crossing events */