M openbox/menu.c → openbox/menu.c

@@ -134,7 +134,22 @@ 
 static gboolean menu_pipe_submenu(gpointer key, gpointer val, gpointer data)
 {
     ObMenu *menu = val;
-    return menu->pipe_creator == data;
+    return menu->pipe_creator != NULL;
+}
+
+static void clear_cache(gpointer key, gpointer val, gpointer data)
+{
+    ObMenu *menu = val;
+    if (menu->execute)
+        menu_clear_entries(menu);
+}
+
+void menu_clear_pipe_caches()
+{
+    /* delete any pipe menus' submenus */
+    g_hash_table_foreach_remove(menu_hash, menu_pipe_submenu, NULL);
+    /* empty the top level pipe menus */
+    g_hash_table_foreach(menu_hash, clear_cache, NULL);
 }
 
 void menu_pipe_execute(ObMenu *self)
@@ -146,6 +161,8 @@ GError *err = NULL;
 
     if (!self->execute)
         return;
+    if (self->entries) /* the entries are already created and cached */
+        return;
 
     if (!g_spawn_command_line_sync(self->execute, &output, NULL, NULL, &err)) {
         g_message(_("Failed to execute command for pipe-menu '%s': %s"),
@@ -157,9 +174,6 @@ 
     if (parse_load_mem(output, strlen(output),
                        "openbox_pipe_menu", &doc, &node))
     {
-        g_hash_table_foreach_remove(menu_hash, menu_pipe_submenu, self);
-        menu_clear_entries(self);
-
         menu_parse_state.pipe_creator = self;
         menu_parse_state.parent = self;
         parse_tree(menu_parse_inst, doc, node->children);

M openbox/menu.h → openbox/menu.h

@@ -165,8 +165,10 @@ ObMenu* menu_new(const gchar *name, const gchar *title,
                  gboolean allow_shortcut_selection, gpointer data);
 void menu_free(ObMenu *menu);
 
-/* Repopulate a pipe-menu by running its command */
+/*! Repopulate a pipe-menu by running its command */
 void menu_pipe_execute(ObMenu *self);
+/*! Clear a pipe-menu's entries */
+void menu_clear_pipe_caches();
 
 void menu_show_all_shortcuts(ObMenu *self, gboolean show);
 

M openbox/menuframe.c → openbox/menuframe.c

@@ -1058,6 +1058,8 @@ menu_entry_frame_submenu_timeout);
     }
     if ((it = g_list_last(menu_frame_visible)))
         menu_frame_hide(it->data);
+
+    menu_clear_pipe_caches();
 }
 
 void menu_frame_hide_all_client(ObClient *client)
@@ -1068,6 +1070,8 @@ ObMenuFrame *f = it->data;
         if (f->client == client)
             menu_frame_hide(f);
     }
+
+    menu_clear_pipe_caches();
 }