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/*
* Copyright 2007-2008 by Sascha Hlusiak. <saschahlusiak@freedesktop.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Sascha Hlusiak not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Sascha Hlusiak makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* SASCHA HLUSIAK DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL SASCHA HLUSIAK BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
*/
#ifndef __JSTK_H_INCLUDED__
#define __JSTK_H_INCLUDED__
#define MAXBUTTONS 32
#define MAXAXES 32
#define MAXKEYSPERBUTTON 4
#define MIN_KEYCODE 8
/******************************************************************************
* debugging macro
*****************************************************************************/
#ifdef DBG
#undef DBG
#endif
#if DEBUG
extern char debug_level;
#define DBG(lvl, f) {if ((lvl) <= debug_level) f;}
#else
#define DBG(lvl, f)
#endif
typedef enum _JOYSTICKEVENT {
EVENT_NONE=0,
EVENT_BUTTON,
EVENT_AXIS
} JOYSTICKEVENT;
typedef struct _JoystickDevRec *JoystickDevPtr;
typedef void(*jstkCloseDeviceProc)(JoystickDevPtr joystick);
typedef int(*jstkReadDataProc)(JoystickDevPtr joystick,
JOYSTICKEVENT *event, int *number);
typedef enum _JOYSTICKTYPE{
TYPE_NONE=0, /* Axis value is not relevant */
TYPE_BYVALUE, /* Speed of cursor is relative to amplitude */
TYPE_ACCELERATED, /* Speed is accelerated */
TYPE_ABSOLUTE /* The amplitude defines the cursor position */
} JOYSTICKTYPE;
typedef enum _JOYSTICKMAPPING{
MAPPING_NONE=0, /* Nothing */
MAPPING_X, /* X-Axis */
MAPPING_Y, /* Y-Axis */
MAPPING_ZX, /* Horizontal scrolling */
MAPPING_ZY, /* Vertical scrolling */
MAPPING_BUTTON, /* Mouse button */
MAPPING_KEY, /* Keyboard event */
MAPPING_SPEED_MULTIPLY, /* Will amplify all axis movement */
MAPPING_DISABLE, /* Disable mouse and key events */
MAPPING_DISABLE_MOUSE, /* Disable only mouse events */
MAPPING_DISABLE_KEYS /* Disable only key events */
} JOYSTICKMAPPING;
typedef unsigned int KEYSCANCODES [MAXKEYSPERBUTTON];
typedef struct _AXIS {
JOYSTICKTYPE type;
JOYSTICKMAPPING mapping;
int value, oldvalue;
int valuator;
int deadzone;
float currentspeed; /* TYPE_ACCELERATED */
float previousposition; /* TYPE_ABSOLUTE */
float amplify;
float subpixel; /* Pending subpixel movement */
KEYSCANCODES keys_low, keys_high; /* MAPPING_KEY */
} AXIS;
typedef struct _BUTTON {
JOYSTICKMAPPING mapping;
char pressed;
int buttonnumber; /* MAPPING_BUTTON */
float amplify; /* MAPPING_X/Y/ZX/ZY,
MAPPING_SPEED_MULTIPLY */
float currentspeed; /* MAPPING_X/Y/ZX/ZY */
float subpixel; /* Pending subpixel movement */
KEYSCANCODES keys; /* MAPPING_KEY */
} BUTTON;
typedef struct _JoystickDevRec {
int fd; /* Actual file descriptor */
jstkCloseDeviceProc close_proc; /* Callback for closing the backend */
jstkReadDataProc read_proc; /* Callback for reading data from the backend */
void *devicedata; /* Extra platform device dependend data */
char *device; /* Name of the device */
OsTimerPtr timer; /* Timer for axis movement */
Bool timerrunning;
Bool mouse_enabled, keys_enabled;
float amplify; /* Global amplifier of axis movement */
int repeat_delay, repeat_interval; /* Key autorepeat */
struct _BUTTONMAP {
int size;
CARD8 scrollbutton[4]; /* Logical button numbers for scrollwheel */
CARD8 map[MAXBUTTONS+1];
} buttonmap;
struct _KEYMAP {
int size;
KeySym map[256-MIN_KEYCODE];
} keymap;
AXIS axis[MAXAXES]; /* Configuration per axis */
BUTTON button[MAXBUTTONS]; /* Configuration per button */
} JoystickDevRec;
#endif
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