1 /* GemRB - Infinity Engine Emulator
2 * Copyright (C) 2003 The GemRB Project
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 */
18
19 #ifndef CALLBACK_H
20 #define CALLBACK_H
21
22 #include <functional>
23
24 #define METHOD_CALLBACK(func_ptr, obj_ptr) std::bind(func_ptr, obj_ptr, std::placeholders::_1)
25
26 namespace GemRB {
27
28 template <typename R, typename... ARGS>
29 using Callback = std::function<R(ARGS...)>;
30
31 using EventHandler = std::function<void()>;
32
33 // std::function has an exlicitly deleted operator== so we nee to write our own comparitor
34 // that makes sense for our purposes
35 template <typename R, typename... ARGS>
FunctionTargetsEqual(const std::function<R (ARGS...)> & lhs,const std::function<R (ARGS...)> & rhs)36 bool FunctionTargetsEqual(const std::function<R(ARGS...)>& lhs, const std::function<R(ARGS...)>& rhs)
37 {
38 typedef R(fnType)(ARGS...);
39 return lhs.template target<fnType*>() == rhs.template target<fnType*>();
40 }
41
42 }
43
44 #endif
45