/src/ois/includes/mac/MacHelpers.h

 1/*
 2 The zlib/libpng License
 3 
 4 Copyright (c) 2006 Chris Snyder 
 5 
 6 This software is provided 'as-is', without any express or implied warranty. In no event will
 7 the authors be held liable for any damages arising from the use of this software.
 8 
 9 Permission is granted to anyone to use this software for any purpose, including commercial 
10 applications, and to alter it and redistribute it freely, subject to the following
11 restrictions:
12 
13 1. The origin of this software must not be misrepresented; you must not claim that 
14 you wrote the original software. If you use this software in a product, 
15 an acknowledgment in the product documentation would be appreciated but is 
16 not required.
17 
18 2. Altered source versions must be plainly marked as such, and must not be 
19 misrepresented as being the original software.
20 
21 3. This notice may not be removed or altered from any source distribution.
22*/
23#ifndef OIS_MacHelpers_H
24#define OIS_MacHelpers_H
25
26#include "mac/MacPrereqs.h"
27#include "OISEvents.h"
28#include "OISKeyboard.h"
29#include "OISMouse.h"
30
31#include <Carbon/Carbon.h>
32
33// This is a hack needed to get the event handler working. 
34// The carbon lib expects a "OSStatus (*)(EventHandlerCallRef, EventRef, void*)",
35// so I cannot give it a class member function (unless it is static which is pointless)
36// Instead, I just pass the class* through the last paramter that gets passed to the
37// callback every time an event occurs. Then I dereference it and call the member function.
38OSStatus KeyDownWrapper( EventHandlerCallRef nextHandler, EventRef theEvent, void* callClass );
39
40OSStatus KeyUpWrapper( EventHandlerCallRef nextHandler, EventRef theEvent, void* callClass );
41
42OSStatus KeyModWrapper( EventHandlerCallRef nextHandler, EventRef theEvent, void* callClass );
43
44OSStatus MouseWrapper( EventHandlerCallRef nextHandler, EventRef theEvent, void* callClass );
45
46
47// This is needed for keeping an event stack for keyboard and mouse
48namespace OIS
49{
50    
51    // used in the eventStack to store the type
52    enum Mac_EventType { MAC_KEYUP = 0,
53                         MAC_KEYDOWN = 1,
54                         MAC_KEYREPEAT,
55                         MAC_MOUSEDOWN,
56                         MAC_MOUSEUP,
57                         MAC_MOUSEMOVED,
58                         MAC_MOUSESCROLL};
59    typedef enum Mac_EventType MacEventType;
60
61    // only used by MacKeyboard
62    typedef class Mac_KeyStackEvent
63    {
64        friend class MacKeyboard;
65
66    private:
67        Mac_KeyStackEvent( KeyEvent event, MacEventType type ) : Type(type), Event(event) {}
68        
69        MacEventType Type;
70        KeyEvent Event;
71    } MacKeyStackEvent;
72}
73
74
75#endif