From 6a79805b7c4116ee6ced87e78fb488f3274098ef Mon Sep 17 00:00:00 2001
From: Dana Jansens <danakj@orodu.net>
Date: Sun, 10 Jun 2007 18:48:58 +0000
Subject: [PATCH] cache pipe menus until the menus close

---
 openbox/menu.c      | 22 ++++++++++++++++++----
 openbox/menu.h      |  4 +++-
 openbox/menuframe.c |  4 ++++
 3 files changed, 25 insertions(+), 5 deletions(-)

diff --git a/openbox/menu.c b/openbox/menu.c
index 21c00a31..344e1a5a 100644
--- a/openbox/menu.c
+++ b/openbox/menu.c
@@ -134,7 +134,22 @@ void menu_shutdown(gboolean reconfig)
 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 @@ void menu_pipe_execute(ObMenu *self)
 
     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 @@ void menu_pipe_execute(ObMenu *self)
     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);
diff --git a/openbox/menu.h b/openbox/menu.h
index 591dfb65..6288d870 100644
--- a/openbox/menu.h
+++ b/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);
 
diff --git a/openbox/menuframe.c b/openbox/menuframe.c
index 654cf2ba..fa9e8e9d 100644
--- a/openbox/menuframe.c
+++ b/openbox/menuframe.c
@@ -1058,6 +1058,8 @@ void menu_frame_hide_all()
     }
     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 @@ void menu_frame_hide_all_client(ObClient *client)
         if (f->client == client)
             menu_frame_hide(f);
     }
+
+    menu_clear_pipe_caches();
 }
 
 
-- 
2.44.0