1 //========================================================================
2 // GLFW 3.1 IOKit - www.glfw.org
3 //------------------------------------------------------------------------
4 // Copyright (c) 2006-2014 Camilla Berglund <elmindreda@elmindreda.org>
5 //
6 // This software is provided 'as-is', without any express or implied
7 // warranty. In no event will the authors be held liable for any damages
8 // arising from the use of this software.
9 //
10 // Permission is granted to anyone to use this software for any purpose,
11 // including commercial applications, and to alter it and redistribute it
12 // freely, subject to the following restrictions:
13 //
14 // 1. The origin of this software must not be misrepresented; you must not
15 //    claim that you wrote the original software. If you use this software
16 //    in a product, an acknowledgment in the product documentation would
17 //    be appreciated but is not required.
18 //
19 // 2. Altered source versions must be plainly marked as such, and must not
20 //    be misrepresented as being the original software.
21 //
22 // 3. This notice may not be removed or altered from any source
23 //    distribution.
24 //
25 //========================================================================
26 
27 #ifndef _glfw3_iokit_joystick_h_
28 #define _glfw3_iokit_joystick_h_
29 
30 #include <IOKit/IOKitLib.h>
31 #include <IOKit/IOCFPlugIn.h>
32 #include <IOKit/hid/IOHIDLib.h>
33 #include <IOKit/hid/IOHIDKeys.h>
34 
35 #define _GLFW_PLATFORM_LIBRARY_JOYSTICK_STATE \
36     _GLFWjoystickIOKit iokit_js
37 
38 
39 // IOKit-specific per-joystick data
40 //
41 typedef struct _GLFWjoydevice
42 {
43     int             present;
44     char            name[256];
45 
46     IOHIDDeviceRef deviceRef;
47 
48     CFMutableArrayRef axisElements;
49     CFMutableArrayRef buttonElements;
50     CFMutableArrayRef hatElements;
51 
52     float*          axes;
53     unsigned char*  buttons;
54 } _GLFWjoydevice;
55 
56 // IOKit-specific joystick API data
57 //
58 typedef struct _GLFWjoystickIOKit
59 {
60     _GLFWjoydevice devices[GLFW_JOYSTICK_LAST + 1];
61 
62     IOHIDManagerRef managerRef;
63 } _GLFWjoystickIOKit;
64 
65 void _glfwInitJoysticks(void);
66 void _glfwTerminateJoysticks(void);
67 
68 #endif // _glfw3_iokit_joystick_h_
69