Work at SourceForge, help us to make it a better place! We have an immediate need for a Support Technician in our San Francisco or Denver office.

Close

[b2ef1e]: MSVC8 / GemRB / includes / sdl / SDL_joystick.h Maximize Restore History

Download this file

SDL_joystick.h    172 lines (140 with data), 5.3 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
slouken@libsdl.org
*/
#ifdef SAVE_RCSID
static char rcsid =
"@(#) $Id: SDL_joystick.h,v 1.1 2003/10/14 22:31:03 balrog994 Exp $";
#endif
/* Include file for SDL joystick event handling */
#ifndef _SDL_joystick_h
#define _SDL_joystick_h
#include "SDL_types.h"
#include "begin_code.h"
/* Set up for C function definitions, even when using C++ */
#ifdef __cplusplus
extern "C" {
#endif
/* In order to use these functions, SDL_Init() must have been called
with the SDL_INIT_JOYSTICK flag. This causes SDL to scan the system
for joysticks, and load appropriate drivers.
*/
/* The joystick structure used to identify an SDL joystick */
struct _SDL_Joystick;
typedef struct _SDL_Joystick SDL_Joystick;
/* Function prototypes */
/*
* Count the number of joysticks attached to the system
*/
extern DECLSPEC int SDLCALL SDL_NumJoysticks(void);
/*
* Get the implementation dependent name of a joystick.
* This can be called before any joysticks are opened.
* If no name can be found, this function returns NULL.
*/
extern DECLSPEC const char * SDLCALL SDL_JoystickName(int device_index);
/*
* Open a joystick for use - the index passed as an argument refers to
* the N'th joystick on the system. This index is the value which will
* identify this joystick in future joystick events.
*
* This function returns a joystick identifier, or NULL if an error occurred.
*/
extern DECLSPEC SDL_Joystick * SDLCALL SDLCALL SDL_JoystickOpen(int device_index);
/*
* Returns 1 if the joystick has been opened, or 0 if it has not.
*/
extern DECLSPEC int SDLCALL SDL_JoystickOpened(int device_index);
/*
* Get the device index of an opened joystick.
*/
extern DECLSPEC int SDLCALL SDL_JoystickIndex(SDL_Joystick *joystick);
/*
* Get the number of general axis controls on a joystick
*/
extern DECLSPEC int SDLCALL SDL_JoystickNumAxes(SDL_Joystick *joystick);
/*
* Get the number of trackballs on a joystick
* Joystick trackballs have only relative motion events associated
* with them and their state cannot be polled.
*/
extern DECLSPEC int SDLCALL SDL_JoystickNumBalls(SDL_Joystick *joystick);
/*
* Get the number of POV hats on a joystick
*/
extern DECLSPEC int SDLCALL SDL_JoystickNumHats(SDL_Joystick *joystick);
/*
* Get the number of buttons on a joystick
*/
extern DECLSPEC int SDLCALL SDL_JoystickNumButtons(SDL_Joystick *joystick);
/*
* Update the current state of the open joysticks.
* This is called automatically by the event loop if any joystick
* events are enabled.
*/
extern DECLSPEC void SDLCALL SDL_JoystickUpdate(void);
/*
* Enable/disable joystick event polling.
* If joystick events are disabled, you must call SDL_JoystickUpdate()
* yourself and check the state of the joystick when you want joystick
* information.
* The state can be one of SDL_QUERY, SDL_ENABLE or SDL_IGNORE.
*/
extern DECLSPEC int SDLCALL SDL_JoystickEventState(int state);
/*
* Get the current state of an axis control on a joystick
* The state is a value ranging from -32768 to 32767.
* The axis indices start at index 0.
*/
extern DECLSPEC Sint16 SDLCALL SDL_JoystickGetAxis(SDL_Joystick *joystick, int axis);
/*
* Get the current state of a POV hat on a joystick
* The return value is one of the following positions:
*/
#define SDL_HAT_CENTERED 0x00
#define SDL_HAT_UP 0x01
#define SDL_HAT_RIGHT 0x02
#define SDL_HAT_DOWN 0x04
#define SDL_HAT_LEFT 0x08
#define SDL_HAT_RIGHTUP (SDL_HAT_RIGHT|SDL_HAT_UP)
#define SDL_HAT_RIGHTDOWN (SDL_HAT_RIGHT|SDL_HAT_DOWN)
#define SDL_HAT_LEFTUP (SDL_HAT_LEFT|SDL_HAT_UP)
#define SDL_HAT_LEFTDOWN (SDL_HAT_LEFT|SDL_HAT_DOWN)
/*
* The hat indices start at index 0.
*/
extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetHat(SDL_Joystick *joystick, int hat);
/*
* Get the ball axis change since the last poll
* This returns 0, or -1 if you passed it invalid parameters.
* The ball indices start at index 0.
*/
extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick *joystick, int ball, int *dx, int *dy);
/*
* Get the current state of a button on a joystick
* The button indices start at index 0.
*/
extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick *joystick, int button);
/*
* Close a joystick previously opened with SDL_JoystickOpen()
*/
extern DECLSPEC void SDLCALL SDL_JoystickClose(SDL_Joystick *joystick);
/* Ends C function definitions when using C++ */
#ifdef __cplusplus
}
#endif
#include "close_code.h"
#endif /* _SDL_joystick_h */