1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*
Copyright (C) 2009 Red Hat, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. 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,
};
Menu* ref() { _refs++; return this;}
void unref() { if (!--_refs) delete this;}
const std::string& get_name() { return _name;}
CommandTarget& get_target() { return _target;}
void add_command(const std::string& name, int cmd_id);
void add_separator();
void add_sub(Menu* sub);
ItemType item_type_at(int pos);
void command_at(int pos, std::string& name, int& cmd_id);
Menu* sub_at(int pos);
private:
virtual ~Menu();
class MenuCommand {
public:
MenuCommand(const std::string& name, int cmd_id)
: _name (name)
, _cmd_id (cmd_id)
{
}
const std::string& get_name() { return _name;}
int get_cmd_id() { return _cmd_id;}
private:
std::string _name;
int _cmd_id;
};
struct MenuItem {
ItemType type;
void *obj;
};
void add_item(MenuItem& item);
private:
int _refs;
CommandTarget& _target;
std::string _name;
std::vector<MenuItem> _items;
};
#endif
|