You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
pcmanfm-qt-packaging/libfm-qt/appmenuview.cpp

160 lines
5.0 KiB

/*
* <one line to give the library's name and an idea of what it does.>
* Copyright (C) 2014 <copyright holder> <email>
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "appmenuview.h"
#include <QStandardItemModel>
#include "icontheme.h"
#include "appmenuview_p.h"
#include <gio/gdesktopappinfo.h>
namespace Fm {
AppMenuView::AppMenuView(QWidget* parent):
model_(new QStandardItemModel()),
menu_cache(NULL),
menu_cache_reload_notify(NULL),
QTreeView(parent) {
setHeaderHidden(true);
setSelectionMode(SingleSelection);
// initialize model
// TODO: share one model among all app menu view widgets
// ensure that we're using lxmenu-data (FIXME: should we do this?)
QByteArray oldenv = qgetenv("XDG_MENU_PREFIX");
qputenv("XDG_MENU_PREFIX", "lxde-");
menu_cache = menu_cache_lookup("applications.menu");
// if(!oldenv.isEmpty())
qputenv("XDG_MENU_PREFIX", oldenv); // restore the original value if needed
if(menu_cache) {
MenuCacheDir* dir = menu_cache_dup_root_dir(menu_cache);
menu_cache_reload_notify = menu_cache_add_reload_notify(menu_cache, _onMenuCacheReload, this);
if(dir) { /* content of menu is already loaded */
addMenuItems(NULL, dir);
menu_cache_item_unref(MENU_CACHE_ITEM(dir));
}
}
setModel(model_);
connect(selectionModel(), &QItemSelectionModel::selectionChanged, this, &AppMenuView::selectionChanged);
selectionModel()->select(model_->index(0, 0), QItemSelectionModel::SelectCurrent);
}
AppMenuView::~AppMenuView() {
delete model_;
if(menu_cache) {
if(menu_cache_reload_notify)
menu_cache_remove_reload_notify(menu_cache, menu_cache_reload_notify);
menu_cache_unref(menu_cache);
}
}
void AppMenuView::addMenuItems(QStandardItem* parentItem, MenuCacheDir* dir) {
GSList* l;
GSList* list;
/* Iterate over all menu items in this directory. */
for(l = list = menu_cache_dir_list_children(dir); l != NULL; l = l->next) {
/* Get the menu item. */
MenuCacheItem* menuItem = MENU_CACHE_ITEM(l->data);
switch(menu_cache_item_get_type(menuItem)) {
case MENU_CACHE_TYPE_NONE:
case MENU_CACHE_TYPE_SEP:
break;
case MENU_CACHE_TYPE_APP:
case MENU_CACHE_TYPE_DIR: {
AppMenuViewItem* newItem = new AppMenuViewItem(menuItem);
if(parentItem)
parentItem->insertRow(parentItem->rowCount(), newItem);
else
model_->insertRow(model_->rowCount(), newItem);
if(menu_cache_item_get_type(menuItem) == MENU_CACHE_TYPE_DIR)
addMenuItems(newItem, MENU_CACHE_DIR(menuItem));
break;
}
}
}
g_slist_free_full(list, (GDestroyNotify)menu_cache_item_unref);
}
void AppMenuView::onMenuCacheReload(MenuCache* mc) {
MenuCacheDir* dir = menu_cache_dup_root_dir(mc);
model_->clear();
/* FIXME: preserve original selection */
if(dir) {
addMenuItems(NULL, dir);
menu_cache_item_unref(MENU_CACHE_ITEM(dir));
selectionModel()->select(model_->index(0, 0), QItemSelectionModel::SelectCurrent);
}
}
bool AppMenuView::isAppSelected() {
AppMenuViewItem* item = selectedItem();
return (item && item->isApp());
}
AppMenuViewItem* AppMenuView::selectedItem() {
QModelIndexList selected = selectedIndexes();
if(!selected.isEmpty()) {
AppMenuViewItem* item = static_cast<AppMenuViewItem*>(model_->itemFromIndex(selected.first()
));
return item;
}
return NULL;
}
GAppInfo* AppMenuView::selectedApp() {
const char* id = selectedAppDesktopId();
return id ? G_APP_INFO(g_desktop_app_info_new(id)) : NULL;
}
QByteArray AppMenuView::selectedAppDesktopFilePath() {
AppMenuViewItem* item = selectedItem();
if(item && item->isApp()) {
char* path = menu_cache_item_get_file_path(item->item());
QByteArray ret(path);
g_free(path);
return ret;
}
return QByteArray();
}
const char* AppMenuView::selectedAppDesktopId() {
AppMenuViewItem* item = selectedItem();
if(item && item->isApp()) {
return menu_cache_item_get_id(item->item());
}
return NULL;
}
FmPath* AppMenuView::selectedAppDesktopPath() {
AppMenuViewItem* item = selectedItem();
if(item && item->isApp()) {
char* mpath = menu_cache_dir_make_path(MENU_CACHE_DIR(item));
FmPath* path = fm_path_new_relative(fm_path_get_apps_menu(),
mpath + 13 /* skip "/Applications" */);
g_free(mpath);
return path;
}
return NULL;
}
} // namespace Fm