isa/mutter
1
0
Fork 0
mirror of https://github.com/brl/mutter.git synced 2024-12-24 12:02:04 +00:00
Code Issues Packages Projects Releases Wiki Activity

drag-action: Remove the drag handle on destruction

Browse Source 
When the drag handle actor is destroyed we should unset the field inside
the DragAction, to avoid having stale pointers lying around.

https://bugzilla.gnome.org/show_bug.cgi?id=652842
This commit is contained in:
Emmanuele Bassi 2011-06-17 16:53:22 +01:00
parent 0dea846096
commit a6a57d7967
1 changed files with 22 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
clutter/clutter-drag-action.c
View File

@ -516,6 +516,8 @@ clutter_drag_action_dispose (GObject *gobject)
priv->button_press_id = 0;
}
clutter_drag_action_set_drag_handle (CLUTTER_DRAG_ACTION (gobject), NULL);
G_OBJECT_CLASS (clutter_drag_action_parent_class)->dispose (gobject);
}
@ -837,12 +839,19 @@ clutter_drag_action_get_drag_threshold (ClutterDragAction *action,
*y_threshold = y_res;
}
static void
on_drag_handle_destroy (ClutterActor *actor,
ClutterDragAction *action)
{
action->priv->drag_handle = NULL;
}
/**
* clutter_drag_action_set_drag_handle:
* @action: a #ClutterDragAction
* @handle: a #ClutterActor
* @handle: (allow-none): a #ClutterActor, or %NULL to unset
*
* Sets the actor to be used as the drag handle
* Sets the actor to be used as the drag handle.
*
* Since: 1.4
*/
@ -853,15 +862,25 @@ clutter_drag_action_set_drag_handle (ClutterDragAction *action,
ClutterDragActionPrivate *priv;
g_return_if_fail (CLUTTER_IS_DRAG_ACTION (action));
g_return_if_fail (CLUTTER_IS_ACTOR (handle));
g_return_if_fail (handle == NULL || CLUTTER_IS_ACTOR (handle));
priv = action->priv;
if (priv->drag_handle == handle)
return;
if (priv->drag_handle != NULL)
g_signal_handlers_disconnect_by_func (priv->drag_handle,
G_CALLBACK (on_drag_handle_destroy),
action);
priv->drag_handle = handle;
if (priv->drag_handle != NULL)
g_signal_connect (priv->drag_handle, "destroy",
G_CALLBACK (on_drag_handle_destroy),
action);
g_object_notify_by_pspec (G_OBJECT (action), drag_props[PROP_DRAG_HANDLE]);
}