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wine/dlls/winmm/joystick.c

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/*
* joystick functions
*
* Copyright 1997 Andreas Mohr
*
* nearly all joystick functions can be regarded as obsolete,
* as Linux (2.1.x) now supports extended joysticks
* with a completely new joystick driver interface
* new driver's docu says:
* "For backward compatibility the old interface is still included,
* but will be dropped in the future."
* Thus we should implement the new interface and at most keep the old
* routines for backward compatibility.
*/
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#ifdef HAVE_SYS_ERRNO_H
#include <sys/errno.h>
#endif
#include "winuser.h"
#include "winbase.h"
#include "mmsystem.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(mmsys)
#define MAXJOYDRIVERS 4
static int count_use[MAXJOYDRIVERS] = {0, 0, 0, 0};
static int dev_stat;
static int joy_nr_open = 0;
static BOOL16 joyCaptured = FALSE;
static HWND16 CaptureWnd[MAXJOYDRIVERS] = {0, 0};
static int joy_dev[MAXJOYDRIVERS] = {-1, -1,-1,-1};
static JOYINFO16 joyCapData[MAXJOYDRIVERS];
static unsigned int joy_threshold[MAXJOYDRIVERS] = {0, 0, 0, 0};
struct js_status
{
int buttons;
int x;
int y;
};
/**************************************************************************
* joyOpenDriver [internal]
*/
BOOL16 joyOpenDriver(WORD wID)
{
char dev_name[] = "/dev/js%d";
char buf[20];
if (wID>3) return FALSE;
if (joy_dev[wID] >= 0) return TRUE;
sprintf(buf,dev_name,wID);
if ((joy_dev[wID] = open(buf, O_RDONLY)) >= 0) {
joy_nr_open++;
return TRUE;
} else
return FALSE;
}
/**************************************************************************
* joyCloseDriver [internal]
*/
void joyCloseDriver(WORD wID)
{
if (joy_dev[wID] >= 0) {
close(joy_dev[wID]);
joy_dev[wID] = -1;
joy_nr_open--;
}
}
/**************************************************************************
* joySendMessages [internal]
*/
void joySendMessages(void)
{
int joy;
struct js_status js;
if (joy_nr_open)
{
for (joy=0; joy < MAXJOYDRIVERS; joy++)
if (joy_dev[joy] >= 0) {
if (count_use[joy] > 250) {
joyCloseDriver(joy);
count_use[joy] = 0;
}
count_use[joy]++;
} else
return;
}
if (joyCaptured == FALSE) return;
TRACE(" --\n");
for (joy=0; joy < MAXJOYDRIVERS; joy++) {
if (joyOpenDriver(joy) == FALSE) continue;
dev_stat = read(joy_dev[joy], &js, sizeof(js));
if (dev_stat == sizeof(js)) {
js.x = js.x*37;
js.y = js.y*37;
if ((joyCapData[joy].wXpos != js.x) || (joyCapData[joy].wYpos != js.y)) {
SendMessageA(CaptureWnd[joy], MM_JOY1MOVE + joy, js.buttons, MAKELONG(js.x, js.y));
joyCapData[joy].wXpos = js.x;
joyCapData[joy].wYpos = js.y;
}
if (joyCapData[joy].wButtons != js.buttons) {
unsigned int ButtonChanged = (WORD)(joyCapData[joy].wButtons ^ js.buttons)<<8;
if (joyCapData[joy].wButtons < js.buttons)
SendMessageA(CaptureWnd[joy], MM_JOY1BUTTONDOWN + joy, ButtonChanged, MAKELONG(js.x, js.y));
else
if (joyCapData[joy].wButtons > js.buttons)
SendMessageA(CaptureWnd[joy], MM_JOY1BUTTONUP
+ joy, ButtonChanged, MAKELONG(js.x, js.y));
joyCapData[joy].wButtons = js.buttons;
}
}
}
}
/**************************************************************************
* JoyGetNumDevs [MMSYSTEM.101]
*/
UINT WINAPI joyGetNumDevs(void)
{
return joyGetNumDevs16();
}
/**************************************************************************
* JoyGetNumDevs [MMSYSTEM.101]
*/
UINT16 WINAPI joyGetNumDevs16(void)
{
int joy;
UINT16 joy_cnt = 0;
for (joy=0; joy<MAXJOYDRIVERS; joy++)
if (joyOpenDriver(joy) == TRUE) {
joyCloseDriver(joy);
joy_cnt++;
}
TRACE("returning %d\n", joy_cnt);
if (!joy_cnt) ERR("No joystick found - "
"perhaps get joystick-0.8.0.tar.gz and load"
"it as module or use Linux >= 2.1.45 to be "
"able to use joysticks.\n");
return joy_cnt;
}
/**************************************************************************
* JoyGetDevCaps [WINMM.27]
*/
MMRESULT WINAPI joyGetDevCapsA(UINT wID, LPJOYCAPSA lpCaps,UINT wSize)
{
JOYCAPS16 jc16;
MMRESULT16 ret = joyGetDevCaps16(wID,&jc16,sizeof(jc16));
lpCaps->wMid = jc16.wMid;
lpCaps->wPid = jc16.wPid;
strcpy(lpCaps->szPname,jc16.szPname);
lpCaps->wXmin = jc16.wXmin;
lpCaps->wXmax = jc16.wXmax;
lpCaps->wYmin = jc16.wYmin;
lpCaps->wYmax = jc16.wYmax;
lpCaps->wZmin = jc16.wZmin;
lpCaps->wZmax = jc16.wZmax;
lpCaps->wNumButtons = jc16.wNumButtons;
lpCaps->wPeriodMin = jc16.wPeriodMin;
lpCaps->wPeriodMax = jc16.wPeriodMax;
lpCaps->wRmin = jc16.wRmin;
lpCaps->wRmax = jc16.wRmax;
lpCaps->wUmin = jc16.wUmin;
lpCaps->wUmax = jc16.wUmax;
lpCaps->wVmin = jc16.wVmin;
lpCaps->wVmax = jc16.wVmax;
lpCaps->wCaps = jc16.wCaps;
lpCaps->wMaxAxes = jc16.wMaxAxes;
lpCaps->wNumAxes = jc16.wNumAxes;
lpCaps->wMaxButtons = jc16.wMaxButtons;
strcpy(lpCaps->szRegKey,jc16.szRegKey);
strcpy(lpCaps->szOEMVxD,jc16.szOEMVxD);
return ret;
}
/**************************************************************************
* JoyGetDevCaps [WINMM.28]
*/
MMRESULT WINAPI joyGetDevCapsW(UINT wID, LPJOYCAPSW lpCaps,UINT wSize)
{
JOYCAPS16 jc16;
MMRESULT16 ret = joyGetDevCaps16(wID,&jc16,sizeof(jc16));
lpCaps->wMid = jc16.wMid;
lpCaps->wPid = jc16.wPid;
lstrcpyAtoW(lpCaps->szPname,jc16.szPname);
lpCaps->wXmin = jc16.wXmin;
lpCaps->wXmax = jc16.wXmax;
lpCaps->wYmin = jc16.wYmin;
lpCaps->wYmax = jc16.wYmax;
lpCaps->wZmin = jc16.wZmin;
lpCaps->wZmax = jc16.wZmax;
lpCaps->wNumButtons = jc16.wNumButtons;
lpCaps->wPeriodMin = jc16.wPeriodMin;
lpCaps->wPeriodMax = jc16.wPeriodMax;
lpCaps->wRmin = jc16.wRmin;
lpCaps->wRmax = jc16.wRmax;
lpCaps->wUmin = jc16.wUmin;
lpCaps->wUmax = jc16.wUmax;
lpCaps->wVmin = jc16.wVmin;
lpCaps->wVmax = jc16.wVmax;
lpCaps->wCaps = jc16.wCaps;
lpCaps->wMaxAxes = jc16.wMaxAxes;
lpCaps->wNumAxes = jc16.wNumAxes;
lpCaps->wMaxButtons = jc16.wMaxButtons;
lstrcpyAtoW(lpCaps->szRegKey,jc16.szRegKey);
lstrcpyAtoW(lpCaps->szOEMVxD,jc16.szOEMVxD);
return ret;
}
/**************************************************************************
* JoyGetDevCaps [MMSYSTEM.102]
*/
MMRESULT16 WINAPI joyGetDevCaps16(UINT16 wID, LPJOYCAPS16 lpCaps, UINT16 wSize)
{
TRACE("(%04X, %p, %d);\n",
wID, lpCaps, wSize);
if (joyOpenDriver(wID) == TRUE) {
lpCaps->wMid = MM_MICROSOFT;
lpCaps->wPid = MM_PC_JOYSTICK;
strcpy(lpCaps->szPname, "WineJoy"); /* joystick product name */
lpCaps->wXmin = 0; /* FIXME */
lpCaps->wXmax = 0xffff;
lpCaps->wYmin = 0;
lpCaps->wYmax = 0xffff;
lpCaps->wZmin = 0;
lpCaps->wZmax = 0xffff;
lpCaps->wNumButtons = 2;
lpCaps->wPeriodMin = 0;
lpCaps->wPeriodMax = 50; /* FIXME end */
if (wSize == sizeof(JOYCAPS16)) {
/* complete 95 structure */
lpCaps->wRmin = 0;
lpCaps->wRmax = 0xffff;
lpCaps->wUmin = 0;
lpCaps->wUmax = 0xffff;
lpCaps->wVmin = 0;
lpCaps->wVmax = 0xffff;
lpCaps->wCaps = 0;
lpCaps->wMaxAxes = 6;
lpCaps->wNumAxes = 2;
lpCaps->wMaxButtons = 3;
strcpy(lpCaps->szRegKey,"");
strcpy(lpCaps->szOEMVxD,"");
}
joyCloseDriver(wID);
return JOYERR_NOERROR;
}
else
return MMSYSERR_NODRIVER;
}
/**************************************************************************
* JoyGetPosEx [WINMM.31]
*/
MMRESULT WINAPI joyGetPosEx(UINT wID, LPJOYINFOEX lpInfo)
{
/* FIXME: implement it */
return MMSYSERR_NODRIVER;
}
/**************************************************************************
* JoyGetPosEx [WINMM.31]
*/
MMRESULT16 WINAPI joyGetPosEx16(UINT16 wID, LPJOYINFOEX lpInfo)
{
return joyGetPosEx(wID, lpInfo);
}
/**************************************************************************
* JoyGetPos [WINMM.30]
*/
MMRESULT WINAPI joyGetPos(UINT wID, LPJOYINFO lpInfo)
{
JOYINFO16 ji;
MMRESULT16 ret = joyGetPos16(wID,&ji);
lpInfo->wXpos = ji.wXpos;
lpInfo->wYpos = ji.wYpos;
lpInfo->wZpos = ji.wZpos;
lpInfo->wButtons = ji.wButtons;
return ret;
}
/**************************************************************************
* JoyGetPos [MMSYSTEM.103]
*/
MMRESULT16 WINAPI joyGetPos16(UINT16 wID, LPJOYINFO16 lpInfo)
{
struct js_status js;
TRACE("(%04X, %p)\n", wID, lpInfo);
if (joyOpenDriver(wID) == FALSE) return MMSYSERR_NODRIVER;
dev_stat = read(joy_dev[wID], &js, sizeof(js));
if (dev_stat != sizeof(js)) {
joyCloseDriver(wID);
return JOYERR_UNPLUGGED; /* FIXME: perhaps wrong, but what should I return else ? */
}
count_use[wID] = 0;
js.x = js.x*37;
js.y = js.y*37;
lpInfo->wXpos = js.x; /* FIXME: perhaps multiply it somehow ? */
lpInfo->wYpos = js.y;
lpInfo->wZpos = 0; /* FIXME: Don't know what to do with this value as joystick driver doesn't provide a Z value */
lpInfo->wButtons = js.buttons;
TRACE("x: %d, y: %d, buttons: %d\n", js.x, js.y, js.buttons);
return JOYERR_NOERROR;
}
/**************************************************************************
* JoyGetThreshold [WINMM.32]
*/
MMRESULT WINAPI joyGetThreshold(UINT wID, LPUINT lpThreshold)
{
UINT16 thresh;
MMRESULT16 ret = joyGetThreshold16(wID,&thresh);
*lpThreshold = thresh;
return ret;
}
/**************************************************************************
* JoyGetThreshold [MMSYSTEM.104]
*/
MMRESULT16 WINAPI joyGetThreshold16(UINT16 wID, LPUINT16 lpThreshold)
{
TRACE("(%04X, %p);\n", wID, lpThreshold);
if (wID >= MAXJOYDRIVERS) return JOYERR_PARMS;
*lpThreshold = joy_threshold[wID];
return JOYERR_NOERROR;
}
/**************************************************************************
* JoyReleaseCapture [WINMM.33]
*/
MMRESULT WINAPI joyReleaseCapture(UINT wID)
{
return joyReleaseCapture16(wID);
}
/**************************************************************************
* JoyReleaseCapture [MMSYSTEM.105]
*/
MMRESULT16 WINAPI joyReleaseCapture16(UINT16 wID)
{
TRACE("(%04X);\n", wID);
joyCaptured = FALSE;
joyCloseDriver(wID);
joy_dev[wID] = -1;
CaptureWnd[wID] = 0;
return JOYERR_NOERROR;
}
/**************************************************************************
* JoySetCapture [MMSYSTEM.106]
*/
MMRESULT WINAPI joySetCapture(HWND hWnd,UINT wID,UINT wPeriod,BOOL bChanged)
{
return joySetCapture16(hWnd,wID,wPeriod,bChanged);
}
/**************************************************************************
* JoySetCapture [MMSYSTEM.106]
*/
MMRESULT16 WINAPI joySetCapture16(HWND16 hWnd,UINT16 wID,UINT16 wPeriod,BOOL16 bChanged)
{
TRACE("(%04X, %04X, %d, %d);\n",
hWnd, wID, wPeriod, bChanged);
if (!CaptureWnd[wID]) {
if (joyOpenDriver(wID) == FALSE) return MMSYSERR_NODRIVER;
joyCaptured = TRUE;
CaptureWnd[wID] = hWnd;
return JOYERR_NOERROR;
}
else
return JOYERR_NOCANDO; /* FIXME: what should be returned ? */
}
/**************************************************************************
* JoySetThreshold [WINMM.35]
*/
MMRESULT WINAPI joySetThreshold(UINT wID, UINT wThreshold)
{
return joySetThreshold16(wID,wThreshold);
}
/**************************************************************************
* JoySetThreshold [MMSYSTEM.107]
*/
MMRESULT16 WINAPI joySetThreshold16(UINT16 wID, UINT16 wThreshold)
{
TRACE("(%04X, %d);\n", wID, wThreshold);
if (wID > 3) return JOYERR_PARMS;
joy_threshold[wID] = wThreshold;
return JOYERR_NOERROR;
}
/**************************************************************************
* JoySetCalibration [MMSYSTEM.109]
*/
MMRESULT16 WINAPI joySetCalibration16(UINT16 wID)
{
FIXME("(%04X): stub.\n", wID);
return JOYERR_NOCANDO;
}
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