Using HAVE_MENU_CACHE_DIR_LIST_CHILDREN requires #include <config.h>
[lxde/lxpanel.git] / src / menu-policy.c
... / ...
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1/**
2 * Copyright (c) 2009 LxDE Developers, see the file AUTHORS for details.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software Foundation,
16 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19#ifdef HAVE_CONFIG_H
20#include <config.h>
21#endif
22
23#include <glib.h>
24
25#include "menu-policy.h"
26#include "private.h"
27
28/* support for libmenu-cache 0.4.x */
29#ifndef MENU_CACHE_CHECK_VERSION
30# ifdef HAVE_MENU_CACHE_DIR_LIST_CHILDREN
31# define MENU_CACHE_CHECK_VERSION(_a,_b,_c) (_a == 0 && _b < 5) /* < 0.5.0 */
32# else
33# define MENU_CACHE_CHECK_VERSION(_a,_b,_c) 0 /* not even 0.4.0 */
34# endif
35#endif
36
37guint32 visibility_flags = 0;
38
39/* Allocate a menu cache. */
40MenuCache * panel_menu_cache_new(guint32* visibility_flags)
41{
42 MenuCache* cache;
43 if (g_getenv("XDG_MENU_PREFIX") == NULL)
44 g_setenv("XDG_MENU_PREFIX", "lxde-", TRUE);
45#if MENU_CACHE_CHECK_VERSION(0, 5, 0)
46 /* do it the same way menu:// VFS plugin in libfm does */
47 cache = menu_cache_lookup("applications.menu+hidden");
48#else
49 cache = menu_cache_lookup("applications.menu");
50#endif
51 if(visibility_flags)
52 {
53 if(is_in_lxde)
54 *visibility_flags = SHOW_IN_LXDE;
55 else
56 {
57 const char* de_name = g_getenv("XDG_CURRENT_DESKTOP");
58 if(de_name)
59 *visibility_flags = menu_cache_get_desktop_env_flag(cache, de_name);
60 else
61 *visibility_flags = SHOW_IN_LXDE|SHOW_IN_GNOME|SHOW_IN_KDE|SHOW_IN_XFCE;
62 }
63 }
64 return cache;
65}
66
67/* Evaluate the visibility of a menu item. */
68gboolean panel_menu_item_evaluate_visibility(MenuCacheItem * item, guint32 visibility_flags)
69{
70 return menu_cache_app_get_is_visible(MENU_CACHE_APP(item), visibility_flags);
71}