M openbox/client.c → openbox/client.c

@@ -167,6 +167,21 @@ }
     }
 }
 
+void client_remove_destroy_notify_data(ObClientCallback func, gpointer data)
+{
+    GSList *it;
+
+    for (it = client_destroy_notifies; it; it = g_slist_next(it)) {
+        ClientCallback *d = it->data;
+        if (d->func == func && d->data == data) {
+            g_slice_free(ClientCallback, d);
+            client_destroy_notifies =
+                g_slist_delete_link(client_destroy_notifies, it);
+            break;
+        }
+    }
+}
+
 void client_set_list(void)
 {
     Window *windows, *win_it;

M openbox/client.h → openbox/client.h

@@ -326,6 +326,7 @@ 
 /*! Get notified when the client is unmanaged */
 void client_add_destroy_notify(ObClientCallback func, gpointer data);
 void client_remove_destroy_notify(ObClientCallback func);
+void client_remove_destroy_notify_data(ObClientCallback func, gpointer data);
 
 /*! Manages a given window
   @param prompt This specifies an ObPrompt which is being managed.  It is