comparison include/SDL_joystick.h @ 3407:d3baf5ac4e37

Partial fix for bug #859 Header file update from Ken for improved doxygen output
author Sam Lantinga <slouken@libsdl.org>
date Mon, 19 Oct 2009 13:31:58 +0000
parents 99210400e8b9
children f7b03b6838cb
comparison
equal deleted inserted replaced
3406:8ae607392409 3407:d3baf5ac4e37
19 Sam Lantinga 19 Sam Lantinga
20 slouken@libsdl.org 20 slouken@libsdl.org
21 */ 21 */
22 22
23 /** 23 /**
24 * \file SDL_joystick.h 24 * \file SDL_joystick.h
25 * 25 *
26 * Include file for SDL joystick event handling 26 * Include file for SDL joystick event handling
27 */ 27 */
28 28
29 #ifndef _SDL_joystick_h 29 #ifndef _SDL_joystick_h
30 #define _SDL_joystick_h 30 #define _SDL_joystick_h
31 31
38 /* *INDENT-OFF* */ 38 /* *INDENT-OFF* */
39 extern "C" { 39 extern "C" {
40 /* *INDENT-ON* */ 40 /* *INDENT-ON* */
41 #endif 41 #endif
42 42
43 /* In order to use these functions, SDL_Init() must have been called 43 /**
44 with the SDL_INIT_JOYSTICK flag. This causes SDL to scan the system 44 * \file SDL_joystick.h
45 for joysticks, and load appropriate drivers. 45 *
46 */ 46 * In order to use these functions, SDL_Init() must have been called
47 * with the ::SDL_INIT_JOYSTICK flag. This causes SDL to scan the system
48 * for joysticks, and load appropriate drivers.
49 */
47 50
48 /* The joystick structure used to identify an SDL joystick */ 51 /* The joystick structure used to identify an SDL joystick */
49 struct _SDL_Joystick; 52 struct _SDL_Joystick;
50 typedef struct _SDL_Joystick SDL_Joystick; 53 typedef struct _SDL_Joystick SDL_Joystick;
51 54
52 55
53 /* Function prototypes */ 56 /* Function prototypes */
54 /* 57 /**
55 * Count the number of joysticks attached to the system 58 * Count the number of joysticks attached to the system
56 */ 59 */
57 extern DECLSPEC int SDLCALL SDL_NumJoysticks(void); 60 extern DECLSPEC int SDLCALL SDL_NumJoysticks(void);
58 61
59 /* 62 /**
60 * Get the implementation dependent name of a joystick. 63 * Get the implementation dependent name of a joystick.
61 * This can be called before any joysticks are opened. 64 * This can be called before any joysticks are opened.
62 * If no name can be found, this function returns NULL. 65 * If no name can be found, this function returns NULL.
63 */ 66 */
64 extern DECLSPEC const char *SDLCALL SDL_JoystickName(int device_index); 67 extern DECLSPEC const char *SDLCALL SDL_JoystickName(int device_index);
65 68
66 /* 69 /**
67 * Open a joystick for use - the index passed as an argument refers to 70 * Open a joystick for use.
68 * the N'th joystick on the system. This index is the value which will 71 * The index passed as an argument refers tothe N'th joystick on the system.
69 * identify this joystick in future joystick events. 72 * This index is the value which will identify this joystick in future joystick
70 * 73 * events.
71 * This function returns a joystick identifier, or NULL if an error occurred. 74 *
75 * \return A joystick identifier, or NULL if an error occurred.
72 */ 76 */
73 extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickOpen(int device_index); 77 extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickOpen(int device_index);
74 78
75 /* 79 /**
76 * Returns 1 if the joystick has been opened, or 0 if it has not. 80 * Returns 1 if the joystick has been opened, or 0 if it has not.
77 */ 81 */
78 extern DECLSPEC int SDLCALL SDL_JoystickOpened(int device_index); 82 extern DECLSPEC int SDLCALL SDL_JoystickOpened(int device_index);
79 83
80 /* 84 /**
81 * Get the device index of an opened joystick. 85 * Get the device index of an opened joystick.
82 */ 86 */
83 extern DECLSPEC int SDLCALL SDL_JoystickIndex(SDL_Joystick * joystick); 87 extern DECLSPEC int SDLCALL SDL_JoystickIndex(SDL_Joystick * joystick);
84 88
85 /* 89 /**
86 * Get the number of general axis controls on a joystick 90 * Get the number of general axis controls on a joystick.
87 */ 91 */
88 extern DECLSPEC int SDLCALL SDL_JoystickNumAxes(SDL_Joystick * joystick); 92 extern DECLSPEC int SDLCALL SDL_JoystickNumAxes(SDL_Joystick * joystick);
89 93
90 /* 94 /**
91 * Get the number of trackballs on a joystick 95 * Get the number of trackballs on a joystick.
92 * Joystick trackballs have only relative motion events associated 96 *
93 * with them and their state cannot be polled. 97 * Joystick trackballs have only relative motion events associated
98 * with them and their state cannot be polled.
94 */ 99 */
95 extern DECLSPEC int SDLCALL SDL_JoystickNumBalls(SDL_Joystick * joystick); 100 extern DECLSPEC int SDLCALL SDL_JoystickNumBalls(SDL_Joystick * joystick);
96 101
97 /* 102 /**
98 * Get the number of POV hats on a joystick 103 * Get the number of POV hats on a joystick.
99 */ 104 */
100 extern DECLSPEC int SDLCALL SDL_JoystickNumHats(SDL_Joystick * joystick); 105 extern DECLSPEC int SDLCALL SDL_JoystickNumHats(SDL_Joystick * joystick);
101 106
102 /* 107 /**
103 * Get the number of buttons on a joystick 108 * Get the number of buttons on a joystick.
104 */ 109 */
105 extern DECLSPEC int SDLCALL SDL_JoystickNumButtons(SDL_Joystick * joystick); 110 extern DECLSPEC int SDLCALL SDL_JoystickNumButtons(SDL_Joystick * joystick);
106 111
107 /* 112 /**
108 * Update the current state of the open joysticks. 113 * Update the current state of the open joysticks.
109 * This is called automatically by the event loop if any joystick 114 *
110 * events are enabled. 115 * This is called automatically by the event loop if any joystick
116 * events are enabled.
111 */ 117 */
112 extern DECLSPEC void SDLCALL SDL_JoystickUpdate(void); 118 extern DECLSPEC void SDLCALL SDL_JoystickUpdate(void);
113 119
114 /* 120 /**
115 * Enable/disable joystick event polling. 121 * Enable/disable joystick event polling.
116 * If joystick events are disabled, you must call SDL_JoystickUpdate() 122 *
117 * yourself and check the state of the joystick when you want joystick 123 * If joystick events are disabled, you must call SDL_JoystickUpdate()
118 * information. 124 * yourself and check the state of the joystick when you want joystick
119 * The state can be one of SDL_QUERY, SDL_ENABLE or SDL_IGNORE. 125 * information.
126 *
127 * The state can be one of ::SDL_QUERY, ::SDL_ENABLE or ::SDL_IGNORE.
120 */ 128 */
121 extern DECLSPEC int SDLCALL SDL_JoystickEventState(int state); 129 extern DECLSPEC int SDLCALL SDL_JoystickEventState(int state);
122 130
123 /* 131 /**
124 * Get the current state of an axis control on a joystick 132 * Get the current state of an axis control on a joystick.
125 * The state is a value ranging from -32768 to 32767. 133 *
126 * The axis indices start at index 0. 134 * The state is a value ranging from -32768 to 32767.
135 *
136 * The axis indices start at index 0.
127 */ 137 */
128 extern DECLSPEC Sint16 SDLCALL SDL_JoystickGetAxis(SDL_Joystick * joystick, 138 extern DECLSPEC Sint16 SDLCALL SDL_JoystickGetAxis(SDL_Joystick * joystick,
129 int axis); 139 int axis);
130 140
131 /* 141 /**
132 * Get the current state of a POV hat on a joystick 142 * \name Hat positions
133 * The return value is one of the following positions: 143 */
134 */ 144 /*@{*/
135 #define SDL_HAT_CENTERED 0x00 145 #define SDL_HAT_CENTERED 0x00
136 #define SDL_HAT_UP 0x01 146 #define SDL_HAT_UP 0x01
137 #define SDL_HAT_RIGHT 0x02 147 #define SDL_HAT_RIGHT 0x02
138 #define SDL_HAT_DOWN 0x04 148 #define SDL_HAT_DOWN 0x04
139 #define SDL_HAT_LEFT 0x08 149 #define SDL_HAT_LEFT 0x08
140 #define SDL_HAT_RIGHTUP (SDL_HAT_RIGHT|SDL_HAT_UP) 150 #define SDL_HAT_RIGHTUP (SDL_HAT_RIGHT|SDL_HAT_UP)
141 #define SDL_HAT_RIGHTDOWN (SDL_HAT_RIGHT|SDL_HAT_DOWN) 151 #define SDL_HAT_RIGHTDOWN (SDL_HAT_RIGHT|SDL_HAT_DOWN)
142 #define SDL_HAT_LEFTUP (SDL_HAT_LEFT|SDL_HAT_UP) 152 #define SDL_HAT_LEFTUP (SDL_HAT_LEFT|SDL_HAT_UP)
143 #define SDL_HAT_LEFTDOWN (SDL_HAT_LEFT|SDL_HAT_DOWN) 153 #define SDL_HAT_LEFTDOWN (SDL_HAT_LEFT|SDL_HAT_DOWN)
144 /* 154 /*@}*/
145 * The hat indices start at index 0. 155
156 /**
157 * Get the current state of a POV hat on a joystick.
158 *
159 * The hat indices start at index 0.
160 *
161 * \return The return value is one of the following positions:
162 * - ::SDL_HAT_CENTERED
163 * - ::SDL_HAT_UP
164 * - ::SDL_HAT_RIGHT
165 * - ::SDL_HAT_DOWN
166 * - ::SDL_HAT_LEFT
167 * - ::SDL_HAT_RIGHTUP
168 * - ::SDL_HAT_RIGHTDOWN
169 * - ::SDL_HAT_LEFTUP
170 * - ::SDL_HAT_LEFTDOWN
146 */ 171 */
147 extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetHat(SDL_Joystick * joystick, 172 extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetHat(SDL_Joystick * joystick,
148 int hat); 173 int hat);
149 174
150 /* 175 /**
151 * Get the ball axis change since the last poll 176 * Get the ball axis change since the last poll.
152 * This returns 0, or -1 if you passed it invalid parameters. 177 *
153 * The ball indices start at index 0. 178 * \return 0, or -1 if you passed it invalid parameters.
179 *
180 * The ball indices start at index 0.
154 */ 181 */
155 extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick * joystick, 182 extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick * joystick,
156 int ball, int *dx, int *dy); 183 int ball, int *dx, int *dy);
157 184
158 /* 185 /**
159 * Get the current state of a button on a joystick 186 * Get the current state of a button on a joystick.
160 * The button indices start at index 0. 187 *
188 * The button indices start at index 0.
161 */ 189 */
162 extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick * joystick, 190 extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick * joystick,
163 int button); 191 int button);
164 192
165 /* 193 /**
166 * Close a joystick previously opened with SDL_JoystickOpen() 194 * Close a joystick previously opened with SDL_JoystickOpen().
167 */ 195 */
168 extern DECLSPEC void SDLCALL SDL_JoystickClose(SDL_Joystick * joystick); 196 extern DECLSPEC void SDLCALL SDL_JoystickClose(SDL_Joystick * joystick);
169 197
170 198
171 /* Ends C function definitions when using C++ */ 199 /* Ends C function definitions when using C++ */