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* Copyright (C) 2002-2003 Jasper Huijsmans (huysmans@users.sourceforge.net)
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* 2003 Biju Chacko (botsie@users.sourceforge.net)
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* 2004 Danny Milosavljevic <danny.milo@gmx.net>
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* 2004-2008 Brian Tarricone <bjt23@cornell.edu>
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* 2009-2010 Jannis Pohlmann <jannis@xfce.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#ifdef HAVE_SYS_STAT_H
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#include <garcon/garcon.h>
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#include <libxfce4util/libxfce4util.h>
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#include <libxfce4ui/libxfce4ui.h>
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#include "xfce-desktop-menu.h"
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#include "xfdesktop-app-menu-item.h"
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struct _XfceDesktopMenu
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GarconMenu *garcon_menu;
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gchar *filename; /* file the menu is currently using */
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gboolean use_menu_icons; /* show menu icons? */
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gint idle_id; /* source id for idled generation */
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static void _xfce_desktop_menu_free_menudata(XfceDesktopMenu *desktop_menu);
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static GtkIconTheme *_deskmenu_icon_theme = NULL;
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static gboolean _generate_menu_idled(gpointer data);
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static gboolean _generate_menu(XfceDesktopMenu *desktop_menu);
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static void desktop_menu_add_items(XfceDesktopMenu *desktop_menu,
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GarconMenu *garcon_menu,
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xfce_desktop_menu_reload(XfceDesktopMenu *desktop_menu)
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/* this fixes bugs 3615 and 4342. if both the .desktop files
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* and icon theme change very quickly after each other, we'll
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* get a crash when the icon theme gets regenerated when calling
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* gtk_icon_theme_lookup_icon(), which triggers a recursive regen.
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* so we'll idle the regen, and make sure we don't enter it
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* recursively. same deal for _something_changed(). */
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DBG("Schedule menu reload");
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if(!desktop_menu->idle_id)
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desktop_menu->idle_id = g_idle_add(_generate_menu_idled, desktop_menu);
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* this is a bit of a kludge. in order to support the cache and be a bit
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* faster, we either want to build a GtkMenu, or we want to just build
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* the GtkMenuItems and store them in a GList for later. only one
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* of |menu| or |menu_items_return| should be non-NULL
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desktop_menu_add_items(XfceDesktopMenu *desktop_menu,
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GarconMenu *garcon_menu,
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GtkWidget *submenu, *mi, *img;
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GarconMenu *garcon_submenu;
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GarconMenuDirectory *garcon_directory;
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GarconMenuItem *garcon_item;
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const gchar *name, *icon_name;
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g_return_if_fail(GTK_IS_MENU(menu));
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g_return_if_fail(GARCON_IS_MENU(garcon_menu));
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items = garcon_menu_get_elements(garcon_menu);
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for(l = items; l; l = l->next) {
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if(!garcon_menu_element_get_visible(l->data))
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if(GARCON_IS_MENU(l->data)) {
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garcon_submenu = l->data;
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garcon_directory = garcon_menu_get_directory(garcon_submenu);
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submenu = gtk_menu_new();
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if(garcon_directory) {
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if(desktop_menu->use_menu_icons)
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icon_name = garcon_menu_directory_get_icon_name(garcon_directory);
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name = garcon_menu_element_get_name(GARCON_MENU_ELEMENT(garcon_submenu));
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mi = gtk_image_menu_item_new_with_label(name);
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img = gtk_image_new_from_icon_name(icon_name,
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gtk_widget_show(img);
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gtk_image_menu_item_set_image(GTK_IMAGE_MENU_ITEM(mi), img);
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gtk_menu_item_set_submenu(GTK_MENU_ITEM(mi), submenu);
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gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
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desktop_menu_add_items(desktop_menu, garcon_submenu,
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/* we have to check emptiness down here instead of at the top of the
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* loop because there may be further submenus that are empty */
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if(!(tmpl = gtk_container_get_children(GTK_CONTAINER(submenu))))
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gtk_widget_destroy(mi);
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} else if(GARCON_IS_MENU_SEPARATOR(l->data)) {
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mi = gtk_separator_menu_item_new();
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gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
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} else if(GARCON_IS_MENU_ITEM(l->data)) {
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garcon_item = l->data;
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mi = xfdesktop_app_menu_item_new (GARCON_MENU_ITEM (garcon_item));
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gtk_menu_shell_append(GTK_MENU_SHELL(menu), mi);
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_generate_menu(XfceDesktopMenu *desktop_menu)
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GError *error = NULL;
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_xfce_desktop_menu_free_menudata(desktop_menu);
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/* allocate a menu for the ${XDG_MENU_PREFIX}applications.menu file */
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desktop_menu->garcon_menu = garcon_menu_new_applications();
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/* make sure the member variable is set to NULL when the object is destroyed */
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g_object_add_weak_pointer (G_OBJECT (desktop_menu->garcon_menu),
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(gpointer) &desktop_menu->garcon_menu);
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if(!garcon_menu_load (desktop_menu->garcon_menu, NULL, &error)) {
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g_warning("Unable to load menu: %s", error->message);
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_xfce_desktop_menu_free_menudata(desktop_menu);
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g_signal_connect_swapped(desktop_menu->garcon_menu, "reload-required",
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G_CALLBACK(xfce_desktop_menu_reload), desktop_menu);
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_xfce_desktop_menu_free_menudata(XfceDesktopMenu *desktop_menu)
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if(desktop_menu->garcon_menu) {
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g_object_unref(G_OBJECT(desktop_menu->garcon_menu));
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_generate_menu_idled(gpointer data)
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XfceDesktopMenu *desktop_menu = data;
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g_return_val_if_fail(data != NULL, FALSE);
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_generate_menu(desktop_menu);
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desktop_menu->idle_id = 0;
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xfce_desktop_menu_new(gboolean deferred)
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XfceDesktopMenu *desktop_menu = g_new0(XfceDesktopMenu, 1);
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desktop_menu->use_menu_icons = TRUE;
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garcon_set_environment("XFCE");
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desktop_menu->idle_id = g_idle_add(_generate_menu_idled, desktop_menu);
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if(!_generate_menu(desktop_menu)) {
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g_free(desktop_menu);
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_deskmenu_icon_theme = gtk_icon_theme_get_default();
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g_signal_connect_swapped(G_OBJECT(_deskmenu_icon_theme), "changed",
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G_CALLBACK(xfce_desktop_menu_reload), desktop_menu);
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xfce_desktop_menu_populate_menu(XfceDesktopMenu *desktop_menu,
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g_return_if_fail(desktop_menu && menu);
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if(!desktop_menu->garcon_menu) {
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if(desktop_menu->idle_id) {
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g_source_remove(desktop_menu->idle_id);
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desktop_menu->idle_id = 0;
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_generate_menu(desktop_menu);
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if(!desktop_menu->garcon_menu)
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desktop_menu_add_items(desktop_menu, desktop_menu->garcon_menu,
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xfce_desktop_menu_get_widget(XfceDesktopMenu *desktop_menu)
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g_return_val_if_fail(desktop_menu != NULL, NULL);
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menu = gtk_menu_new();
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xfce_desktop_menu_populate_menu(desktop_menu, menu);
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if(!desktop_menu->garcon_menu) {
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gtk_widget_destroy(menu);
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xfce_desktop_menu_force_regen(XfceDesktopMenu *desktop_menu)
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g_return_if_fail(desktop_menu != NULL);
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if(desktop_menu->idle_id) {
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g_source_remove(desktop_menu->idle_id);
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desktop_menu->idle_id = 0;
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_generate_menu(desktop_menu);
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xfce_desktop_menu_set_show_icons(XfceDesktopMenu *desktop_menu,
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g_return_if_fail(desktop_menu != NULL);
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if(desktop_menu->use_menu_icons != show_icons) {
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desktop_menu->use_menu_icons = show_icons;
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xfdesktop_app_menu_item_set_show_icon(show_icons);
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if(desktop_menu->idle_id) {
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g_source_remove(desktop_menu->idle_id);
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desktop_menu->idle_id = 0;
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_generate_menu(desktop_menu);
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xfce_desktop_menu_destroy(XfceDesktopMenu *desktop_menu)
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g_return_if_fail(desktop_menu != NULL);
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TRACE("menu destroyed");
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if(desktop_menu->idle_id) {
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g_source_remove(desktop_menu->idle_id);
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desktop_menu->idle_id = 0;
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g_signal_handlers_disconnect_by_func(_deskmenu_icon_theme,
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G_CALLBACK(xfce_desktop_menu_reload),
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_xfce_desktop_menu_free_menudata(desktop_menu);
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if(desktop_menu->garcon_menu) {
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g_signal_handlers_disconnect_by_func(desktop_menu->garcon_menu,
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G_CALLBACK(xfce_desktop_menu_reload), desktop_menu);
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g_object_unref(G_OBJECT(desktop_menu->garcon_menu));
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g_free(desktop_menu);