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/*
* Copyright 2014 Javier S. Pedro <maemo@javispedro.com>
*
* This file is part of TopMenu.
*
* TopMenu is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* TopMenu is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with TopMenu. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string.h>
#include "appmenu.h"
#include "data.h"
#include "menuitem-proxy.h"
typedef enum _AppMenuRole {
APP_MENU_ROLE_NONE = 0,
APP_MENU_ROLE_ABOUT,
APP_MENU_ROLE_PREFERENCES,
APP_MENU_ROLE_QUIT,
APP_MENU_ROLE_MAX
} AppMenuRole;
static AppMenuRole detect_role_by_stock(const gchar *stock_id)
{
if (g_strcmp0(stock_id, GTK_STOCK_PREFERENCES) == 0) {
return APP_MENU_ROLE_PREFERENCES;
} else if (g_strcmp0(stock_id, GTK_STOCK_QUIT) == 0) {
return APP_MENU_ROLE_QUIT;
} else if (g_strcmp0(stock_id, GTK_STOCK_ABOUT) == 0) {
return APP_MENU_ROLE_ABOUT;
} else {
return APP_MENU_ROLE_NONE;
}
}
static AppMenuRole detect_item_role(GtkMenuItem *item)
{
if (GTK_IS_IMAGE_MENU_ITEM(item)) {
GtkImageMenuItem *iitem = GTK_IMAGE_MENU_ITEM(item);
if (gtk_image_menu_item_get_use_stock(iitem)) {
return detect_role_by_stock(gtk_menu_item_get_label(item));
} else {
GtkWidget *iwidget = gtk_image_menu_item_get_image(iitem);
if (GTK_IS_IMAGE(iwidget)) {
GtkImage *image = GTK_IMAGE(iwidget);
if (gtk_image_get_storage_type(image) == GTK_IMAGE_STOCK) {
gchar *stock_id;
GtkIconSize icon_size;
gtk_image_get_stock(image, &stock_id, &icon_size);
return detect_role_by_stock(stock_id);
}
}
}
}
return APP_MENU_ROLE_NONE;
}
static void handle_default_quit(GtkMenuItem *item, gpointer user_data)
{
gtk_main_quit();
}
static GtkMenuItem *create_separator()
{
GtkWidget *sep = gtk_separator_menu_item_new();
gtk_widget_show(sep);
return GTK_MENU_ITEM(sep);
}
static GtkMenuItem *create_default_exit()
{
GtkMenuItem *item = GTK_MENU_ITEM(gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, NULL));
g_signal_connect(item, "activate", G_CALLBACK(handle_default_quit), NULL);
gtk_widget_show_all(GTK_WIDGET(item));
return item;
}
static gint get_role_position(AppMenu *self, AppMenuRole role)
{
gint position = 0;
switch (role) {
case APP_MENU_ROLE_MAX:
if (self->quit_item) position++;
if (self->sep1_item) position++;
case APP_MENU_ROLE_QUIT:
if (self->prefs_item) position++;
case APP_MENU_ROLE_PREFERENCES:
if (self->about_item) position++;
case APP_MENU_ROLE_ABOUT:
break;
default:
g_warn_if_reached();
break;
}
return position;
}
static void set_item_for_role(AppMenu *self, GtkMenuItem *item, AppMenuRole role)
{
g_return_if_fail(role != APP_MENU_ROLE_NONE);
switch (role) {
case APP_MENU_ROLE_ABOUT:
if (self->about_item) {
gtk_widget_destroy(GTK_WIDGET(self->about_item));
self->about_item = NULL;
}
if (item) {
if (self->quit_item && !self->sep1_item) {
self->sep1_item = create_separator();
gtk_menu_shell_insert(GTK_MENU_SHELL(self->menu),
GTK_WIDGET(self->sep1_item),
get_role_position(self, APP_MENU_ROLE_QUIT));
}
self->about_item = item;
gtk_menu_shell_insert(GTK_MENU_SHELL(self->menu),
GTK_WIDGET(self->about_item),
get_role_position(self, APP_MENU_ROLE_ABOUT));
}
break;
case APP_MENU_ROLE_PREFERENCES:
if (self->prefs_item) {
gtk_widget_destroy(GTK_WIDGET(self->prefs_item));
self->prefs_item = NULL;
}
if (item) {
if (self->quit_item && !self->sep1_item) {
self->sep1_item = create_separator();
gtk_menu_shell_insert(GTK_MENU_SHELL(self->menu),
GTK_WIDGET(self->sep1_item),
get_role_position(self, APP_MENU_ROLE_QUIT));
}
self->prefs_item = item;
gtk_menu_shell_insert(GTK_MENU_SHELL(self->menu),
GTK_WIDGET(self->prefs_item),
get_role_position(self, APP_MENU_ROLE_PREFERENCES));
}
break;
case APP_MENU_ROLE_QUIT:
if (self->quit_item) {
gtk_widget_destroy(GTK_WIDGET(self->quit_item));
self->quit_item = NULL;
}
if (item) {
if ((self->about_item || self->prefs_item) && !self->sep1_item) {
self->sep1_item = create_separator();
gtk_menu_shell_insert(GTK_MENU_SHELL(self->menu),
GTK_WIDGET(self->sep1_item),
get_role_position(self, APP_MENU_ROLE_QUIT));
}
self->quit_item = item;
gtk_menu_shell_insert(GTK_MENU_SHELL(self->menu),
GTK_WIDGET(self->quit_item),
get_role_position(self, APP_MENU_ROLE_QUIT) + 1);
}
break;
default:
g_warn_if_reached();
}
}
GtkWidget * topmenu_appmenu_build(AppMenu *self)
{
self->menu = GTK_MENU(gtk_menu_new());
return GTK_WIDGET(self->menu);
}
typedef struct _MenuScanData
{
AppMenu *appmenu;
gint depth;
} MenuScanData;
static void appmenu_scan_cb(GtkWidget *widget, gpointer user_data)
{
MenuScanData *data = user_data;
g_return_if_fail(GTK_IS_MENU_ITEM(widget));
GtkMenuItem *item = GTK_MENU_ITEM(widget);
GtkWidget *submenu = gtk_menu_item_get_submenu(item);
if (!submenu) {
MenuItemData *item_data = topmenu_get_menu_item_data(item);
if (item_data && item_data->proxy) {
submenu = gtk_menu_item_get_submenu(item_data->proxy);
}
}
if (submenu) {
data->depth--;
if (data->depth >= 0) {
g_warn_if_fail(GTK_IS_CONTAINER(submenu));
gtk_container_foreach(GTK_CONTAINER(submenu), appmenu_scan_cb, data);
}
data->depth++;
} else {
AppMenuRole role = detect_item_role(item);
if (role != APP_MENU_ROLE_NONE) {
GtkMenuItem *proxy = topmenu_create_proxy_menu_item(item);
set_item_for_role(data->appmenu, proxy, role);
}
}
}
void topmenu_appmenu_scan_for_items(AppMenu *self, GtkMenuShell *menu_shell)
{
g_return_if_fail(GTK_IS_MENU(self->menu));
MenuScanData data;
data.appmenu = self;
data.depth = 1;
gtk_container_foreach(GTK_CONTAINER(menu_shell), appmenu_scan_cb, &data);
// Create default items
if (!self->quit_item) {
GtkMenuItem *item = create_default_exit();
set_item_for_role(self, item, APP_MENU_ROLE_QUIT);
}
}
void topmenu_appmenu_destroy(AppMenu *self)
{
if (self->menu) {
gtk_widget_destroy(GTK_WIDGET(self->menu));
self->menu = NULL;
}
memset(self, 0, sizeof(AppMenu));
}
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