From f169c4d8d9bd4dbe89006554c03d188081f1f98f Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Sat, 14 Jun 2008 22:38:40 +0200
Subject: [PATCH] widget: add support for destructor

Signed-off-by: Julien Danjou <julien@danjou.info>
---
 structs.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/structs.h b/structs.h
index e495abd83..ea508064e 100644
--- a/structs.h
+++ b/structs.h
@@ -65,6 +65,7 @@ typedef struct _tag_t tag_t;
 typedef struct tag_client_node_t tag_client_node_t;
 typedef area_t (FloatingPlacement)(client_t *);
 typedef widget_t *(widget_constructor_t)(alignment_t);
+typedef void (widget_destructor_t)(widget_t *);
 typedef struct awesome_t awesome_t;
 
 /** Widget tell status code */
@@ -106,6 +107,8 @@ struct widget_t
     char *name;
     /** Widget type is constructor */
     widget_constructor_t *type;
+    /** Widget destructor */
+    widget_destructor_t *destructor;
     /** Draw function */
     int (*draw)(draw_context_t *, int, widget_node_t *, int, int, void *);
     /** Update function */
@@ -130,6 +133,8 @@ struct widget_t
 static inline void
 widget_delete(widget_t **widget)
 {
+    if((*widget)->destructor)
+        (*widget)->destructor(*widget);
     button_list_wipe(&(*widget)->buttons);
     p_delete(&(*widget)->data);
     p_delete(&(*widget)->name);