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/*
Copyright (C) 2009 Red Hat, Inc.
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, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
#include "menu.h"
#include "utils.h"
#include "debug.h"
Menu::Menu(CommandTarget& target, const std::string& name)
: _refs (1)
, _target (target)
, _name (name)
{
}
Menu::~Menu()
{
clear();
}
void Menu::add_item(MenuItem& item)
{
int pos = _items.size();
_items.resize(pos + 1);
_items[pos] = item;
}
void Menu::add_command(const std::string& name, int cmd_id, int state)
{
MenuCommand* cmd = new MenuCommand(name, cmd_id, state);
MenuItem item;
item.type = MENU_ITEM_TYPE_COMMAND;
item.obj = cmd;
add_item(item);
}
void Menu::add_separator()
{
MenuItem item;
item.type = MENU_ITEM_TYPE_SEPARATOR;
item.obj = NULL;
add_item(item);
}
void Menu::add_sub(Menu* menu)
{
ASSERT(menu);
MenuItem item;
item.type = MENU_ITEM_TYPE_MENU;
item.obj = menu->ref();
add_item(item);
}
void Menu::remove_command(int cmd_id)
{
for (unsigned int i = 0; i < _items.size(); i++) {
if (_items[i].type == MENU_ITEM_TYPE_COMMAND &&
((MenuCommand*)_items[i].obj)->get_cmd_id() == cmd_id) {
delete (MenuCommand*)_items[i].obj;
_items.erase(_items.begin() + i);
return;
}
}
}
void Menu::remove_sub(Menu* menu)
{
for (unsigned int i = 0; i < _items.size(); i++) {
if (_items[i].type == MENU_ITEM_TYPE_MENU && (Menu*)_items[i].obj == menu) {
((Menu*)_items[i].obj)->unref();
_items.erase(_items.begin() + i);
return;
}
}
}
Menu::ItemType Menu::item_type_at(int pos)
{
if (pos >= (int)_items.size()) {
return MENU_ITEM_TYPE_INVALID;
}
return _items[pos].type;
}
void Menu::command_at(int pos, std::string& name, int& cmd_id, int& state)
{
if (_items[pos].type != MENU_ITEM_TYPE_COMMAND) {
THROW("incorrect item type");
}
MenuCommand* cmd = (MenuCommand*)_items[pos].obj;
name = cmd->get_name();
cmd_id = cmd->get_cmd_id();
state = cmd->get_state();
}
Menu* Menu::sub_at(int pos)
{
if (_items[pos].type != MENU_ITEM_TYPE_MENU) {
THROW("incorrect item type");
}
return ((Menu*)_items[pos].obj)->ref();
}
void Menu::clear()
{
for (unsigned int i = 0; i < _items.size(); i++) {
if (_items[i].type == MENU_ITEM_TYPE_COMMAND) {
delete (MenuCommand*)_items[i].obj;
} else if (_items[i].type == MENU_ITEM_TYPE_MENU) {
((Menu*)_items[i].obj)->unref();
}
}
_items.clear();
}
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