ClanLib  2.3.7
event_provider.h
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1 /*
2 ** ClanLib SDK
3 ** Copyright (c) 1997-2011 The ClanLib Team
4 **
5 ** This software is provided 'as-is', without any express or implied
6 ** warranty. In no event will the authors be held liable for any damages
7 ** arising from the use of this software.
8 **
9 ** Permission is granted to anyone to use this software for any purpose,
10 ** including commercial applications, and to alter it and redistribute it
11 ** freely, subject to the following restrictions:
12 **
13 ** 1. The origin of this software must not be misrepresented; you must not
14 ** claim that you wrote the original software. If you use this software
15 ** in a product, an acknowledgment in the product documentation would be
16 ** appreciated but is not required.
17 ** 2. Altered source versions must be plainly marked as such, and must not be
18 ** misrepresented as being the original software.
19 ** 3. This notice may not be removed or altered from any source distribution.
20 **
21 ** Note: Some of the libraries ClanLib may link to may have additional
22 ** requirements or restrictions.
23 **
24 ** File Author(s):
25 **
26 ** Magnus Norddahl
27 */
28 
31 
32 
33 #pragma once
34 
35 
36 #include "../api_core.h"
37 
42 {
45 
46 public:
47  virtual ~CL_EventProvider() { return; }
48 
49 
53 
54 public:
55 #ifdef WIN32
56  enum EventType
57  {
58  type_native
59  };
60 #else
61  enum EventType
62  {
65  type_fd_exception
66  };
67 #endif
68 
70  virtual EventType get_event_type(int index) = 0;
71 
72 #ifdef WIN32
73  virtual HANDLE get_event_handle(int index) = 0;
75 #else
76  virtual int get_event_handle(int index) = 0;
78 #endif
79 
81  virtual int get_num_event_handles() = 0;
82 
83 
87 
88 public:
90  virtual bool check_before_wait() { return false; }
91 
93  virtual bool check_after_wait(int index) { return true; }
94 
96  virtual bool set() { return false; }
97 
99  virtual bool reset() { return false; }
100 
101 
105 
106 private:
108 };
109 
110