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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/>.
*/
#ifndef _H_MENU
#define _H_MENU
class CommandTarget {
public:
virtual void do_command(int command) = 0;
virtual ~CommandTarget() {}
};
class Menu {
public:
Menu(CommandTarget& target, const std::string& name);
enum ItemType {
MENU_ITEM_TYPE_INVALID,
MENU_ITEM_TYPE_COMMAND,
MENU_ITEM_TYPE_MENU,
MENU_ITEM_TYPE_SEPARATOR,
};
enum ItemState {
MENU_ITEM_STATE_CHECKED = 1 << 0,
MENU_ITEM_STATE_DIM = 1 << 1,
};
Menu* ref() { _refs++; return this;}
void unref() { if (!--_refs) delete this;}
void set_name(const std::string& name) { _name = name;}
const std::string& get_name() { return _name;}
CommandTarget& get_target() { return _target;}
void add_command(const std::string& name, int cmd_id, int state = 0);
void add_separator();
void add_sub(Menu* sub);
void remove_command(int cmd_id);
void remove_sub(Menu* menu);
ItemType item_type_at(int pos);
void command_at(int pos, std::string& name, int& cmd_id, int& state);
Menu* sub_at(int pos);
void clear();
private:
virtual ~Menu();
class MenuCommand {
public:
MenuCommand(const std::string& name, int cmd_id, int state)
: _name (name)
, _cmd_id (cmd_id)
, _state (state)
{
}
const std::string& get_name() { return _name;}
int get_cmd_id() { return _cmd_id;}
int get_state() { return _state;}
private:
std::string _name;
int _cmd_id;
int _state;
};
struct MenuItem {
ItemType type;
void *obj;
};
void add_item(MenuItem& item);
private:
int _refs;
CommandTarget& _target;
std::string _name;
std::vector<MenuItem> _items;
};
#endif
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