/**************************************************************************
* driver_close
*/
LRESULT driver_close(DWORD_PTR dwDevID)
{
WINE_JSTCK* jstck = JSTCK_drvGet(dwDevID);
if (jstck == NULL)
return 0;
jstck->in_use = FALSE;
if (jstck->dev > 0)
{
close(jstck->dev);
jstck->dev = 0;
}
return 1;
}
/**************************************************************************
* JSTCK_drvClose [internal]
*/
static LRESULT JSTCK_drvClose(DWORD_PTR dwDevID)
{
WINE_JSTCK* jstck = JSTCK_drvGet(dwDevID);
if (jstck == NULL)
return 0;
jstck->in_use = 0;
if (jstck->dev > 0)
{
close(jstck->dev);
jstck->dev = 0;
}
return 1;
}
/**************************************************************************
* driver_joyGetPos
*/
LRESULT driver_joyGetPosEx(DWORD_PTR dwDevID, LPJOYINFOEX lpInfo)
{
WINE_JSTCK* jstck;
int dev;
#ifdef HAVE_LINUX_22_JOYSTICK_API
struct js_event ev;
#else
struct js_status js;
int dev_stat;
#endif
if ((jstck = JSTCK_drvGet(dwDevID)) == NULL)
return MMSYSERR_NODRIVER;
if ((dev = JSTCK_OpenDevice(jstck)) < 0) return JOYERR_PARMS;
#ifdef HAVE_LINUX_22_JOYSTICK_API
while ((read(dev, &ev, sizeof(struct js_event))) > 0) {
if (ev.type == (JS_EVENT_AXIS)) {
switch (jstck->axesMap[ev.number]) {
case 0: /* X */
jstck->x = ev.value;
break;
case 1: /* Y */
jstck->y = ev.value;
break;
case 2: /* Z */
case 6: /* Throttle */
jstck->z = ev.value;
break;
case 5: /* Rz */
case 7: /* Rudder */
jstck->r = ev.value;
break;
case 3: /* Rx */
jstck->u = ev.value;
break;
case 4: /* Ry */
jstck->v = ev.value;
break;
case 16: /* Hat 0 X */
jstck->pov_x = ev.value;
break;
case 17: /* Hat 0 Y */
jstck->pov_y = ev.value;
break;
default:
FIXME("Unknown joystick event '%d'\n", ev.number);
}
} else if (ev.type == (JS_EVENT_BUTTON)) {
if (ev.value) {
jstck->buttons |= (1 << ev.number);
/* FIXME: what to do for this field when
* multiple buttons are depressed ?
*/
if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
lpInfo->dwButtonNumber = ev.number + 1;
}
else
jstck->buttons &= ~(1 << ev.number);
}
}
/* EAGAIN is returned when the queue is empty */
if (errno != EAGAIN) {
/* FIXME: error should not be ignored */
ERR("Error while reading joystick state (%s)\n", strerror(errno));
}
/* Now, copy the cached values into Window's structure... */
if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
lpInfo->dwButtons = jstck->buttons;
if (lpInfo->dwFlags & JOY_RETURNX)
lpInfo->dwXpos = jstck->x + 32767;
if (lpInfo->dwFlags & JOY_RETURNY)
lpInfo->dwYpos = jstck->y + 32767;
if (lpInfo->dwFlags & JOY_RETURNZ)
lpInfo->dwZpos = jstck->z + 32767;
if (lpInfo->dwFlags & JOY_RETURNR)
lpInfo->dwRpos = jstck->r + 32767;
# ifdef BODGE_THE_HAT
else if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
{
if (jstck->r > 0)
lpInfo->dwButtons |= 1<<7;
else if (jstck->r < 0)
lpInfo->dwButtons |= 1<<8;
}
# endif
if (lpInfo->dwFlags & JOY_RETURNU)
lpInfo->dwUpos = jstck->u + 32767;
# ifdef BODGE_THE_HAT
else if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
{
if (jstck->u > 0)
lpInfo->dwButtons |= 1<<9;
else if (jstck->u < 0)
lpInfo->dwButtons |= 1<<10;
}
# endif
if (lpInfo->dwFlags & JOY_RETURNV)
lpInfo->dwVpos = jstck->v + 32767;
if (lpInfo->dwFlags & JOY_RETURNPOV) {
if (jstck->pov_y > 0) {
if (jstck->pov_x < 0)
lpInfo->dwPOV = 22500; /* SW */
else if (jstck->pov_x > 0)
lpInfo->dwPOV = 13500; /* SE */
else
lpInfo->dwPOV = 18000; /* S, JOY_POVBACKWARD */
} else if (jstck->pov_y < 0) {
if (jstck->pov_x < 0)
lpInfo->dwPOV = 31500; /* NW */
else if (jstck->pov_x > 0)
lpInfo->dwPOV = 4500; /* NE */
else
lpInfo->dwPOV = 0; /* N, JOY_POVFORWARD */
} else if (jstck->pov_x < 0)
lpInfo->dwPOV = 27000; /* W, JOY_POVLEFT */
else if (jstck->pov_x > 0)
lpInfo->dwPOV = 9000; /* E, JOY_POVRIGHT */
else
lpInfo->dwPOV = JOY_POVCENTERED; /* Center */
}
#else
dev_stat = read(dev, &js, sizeof(js));
if (dev_stat != sizeof(js)) {
return JOYERR_UNPLUGGED; /* FIXME: perhaps wrong, but what should I return else ? */
}
js.x = js.x<<8;
js.y = js.y<<8;
if (lpInfo->dwFlags & JOY_RETURNX)
lpInfo->dwXpos = js.x; /* FIXME: perhaps multiply it somehow ? */
if (lpInfo->dwFlags & JOY_RETURNY)
lpInfo->dwYpos = js.y;
if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
lpInfo->dwButtons = js.buttons;
#endif
TRACE("x: %d, y: %d, z: %d, r: %d, u: %d, v: %d, buttons: 0x%04x, flags: 0x%04x (fd %d)\n",
lpInfo->dwXpos, lpInfo->dwYpos, lpInfo->dwZpos,
lpInfo->dwRpos, lpInfo->dwUpos, lpInfo->dwVpos,
lpInfo->dwButtons, lpInfo->dwFlags, dev
);
return JOYERR_NOERROR;
}
/**************************************************************************
* JoyGetDevCaps [MMSYSTEM.102]
*/
LRESULT driver_joyGetDevCaps(DWORD_PTR dwDevID, LPJOYCAPSW lpCaps, DWORD dwSize)
{
WINE_JSTCK* jstck;
#ifdef HAVE_LINUX_22_JOYSTICK_API
int dev;
char nrOfAxes;
char nrOfButtons;
char identString[MAXPNAMELEN];
int i;
int driverVersion;
#else
static const WCHAR ini[] = {'W','i','n','e',' ','J','o','y','s','t','i','c','k',' ','D','r','i','v','e','r',0};
#endif
if ((jstck = JSTCK_drvGet(dwDevID)) == NULL)
return MMSYSERR_NODRIVER;
#ifdef HAVE_LINUX_22_JOYSTICK_API
if ((dev = JSTCK_OpenDevice(jstck)) < 0) return JOYERR_PARMS;
ioctl(dev, JSIOCGAXES, &nrOfAxes);
ioctl(dev, JSIOCGBUTTONS, &nrOfButtons);
ioctl(dev, JSIOCGVERSION, &driverVersion);
ioctl(dev, JSIOCGNAME(sizeof(identString)), identString);
TRACE("Driver: 0x%06x, Name: %s, #Axes: %d, #Buttons: %d\n",
driverVersion, identString, nrOfAxes, nrOfButtons);
lpCaps->wMid = MM_MICROSOFT;
lpCaps->wPid = MM_PC_JOYSTICK;
MultiByteToWideChar(CP_UNIXCP, 0, identString, -1, lpCaps->szPname, MAXPNAMELEN);
lpCaps->szPname[MAXPNAMELEN-1] = '\0';
lpCaps->wXmin = 0;
lpCaps->wXmax = 0xFFFF;
lpCaps->wYmin = 0;
lpCaps->wYmax = 0xFFFF;
lpCaps->wZmin = 0;
lpCaps->wZmax = (nrOfAxes >= 3) ? 0xFFFF : 0;
#ifdef BODGE_THE_HAT
/* Half-Life won't allow you to map an axis event to things like
"next weapon" and "use". Linux reports the hat on my stick as
axis U and V. So, IFF BODGE_THE_HAT is defined, lie through our
teeth and say we have 32 buttons, and we will map the axes to
the high buttons. Really, perhaps this should be a registry entry,
or even a parameter to the Linux joystick driver (which would completely
remove the need for this.)
*/
lpCaps->wNumButtons = 32;
#else
lpCaps->wNumButtons = nrOfButtons;
#endif
if (dwSize == sizeof(JOYCAPSW)) {
/* complete 95 structure */
lpCaps->wRmin = 0;
lpCaps->wRmax = 0xFFFF;
lpCaps->wUmin = 0;
lpCaps->wUmax = 0xFFFF;
lpCaps->wVmin = 0;
lpCaps->wVmax = 0xFFFF;
lpCaps->wMaxAxes = 6; /* same as MS Joystick Driver */
lpCaps->wNumAxes = 0; /* nr of axes in use */
lpCaps->wMaxButtons = 32; /* same as MS Joystick Driver */
lpCaps->szRegKey[0] = 0;
lpCaps->szOEMVxD[0] = 0;
lpCaps->wCaps = 0;
for (i = 0; i < nrOfAxes; i++) {
switch (jstck->axesMap[i]) {
case 0: /* X */
case 1: /* Y */
lpCaps->wNumAxes++;
break;
case 2: /* Z */
case 6: /* Throttle */
lpCaps->wNumAxes++;
lpCaps->wCaps |= JOYCAPS_HASZ;
break;
case 5: /* Rz */
case 7: /* Rudder */
lpCaps->wNumAxes++;
lpCaps->wCaps |= JOYCAPS_HASR;
break;
case 3: /* Rx */
lpCaps->wNumAxes++;
lpCaps->wCaps |= JOYCAPS_HASU;
break;
case 4: /* Ry */
lpCaps->wNumAxes++;
lpCaps->wCaps |= JOYCAPS_HASV;
break;
case 16: /* Hat 0 X */
case 17: /* Hat 0 Y */
lpCaps->wCaps |= JOYCAPS_HASPOV | JOYCAPS_POV4DIR;
/* TODO: JOYCAPS_POVCTS handling */
break;
default:
WARN("Unknown axis %hhu(%u). Skipped.\n", jstck->axesMap[i], i);
}
}
}
#else
lpCaps->wMid = MM_MICROSOFT;
lpCaps->wPid = MM_PC_JOYSTICK;
strcpyW(lpCaps->szPname, ini); /* joystick product name */
lpCaps->wXmin = 0;
lpCaps->wXmax = 0xFFFF;
lpCaps->wYmin = 0;
lpCaps->wYmax = 0xFFFF;
lpCaps->wZmin = 0;
lpCaps->wZmax = 0;
lpCaps->wNumButtons = 2;
if (dwSize == sizeof(JOYCAPSW)) {
/* complete 95 structure */
lpCaps->wRmin = 0;
lpCaps->wRmax = 0;
lpCaps->wUmin = 0;
lpCaps->wUmax = 0;
lpCaps->wVmin = 0;
lpCaps->wVmax = 0;
lpCaps->wCaps = 0;
lpCaps->wMaxAxes = 2;
lpCaps->wNumAxes = 2;
lpCaps->wMaxButtons = 4;
lpCaps->szRegKey[0] = 0;
lpCaps->szOEMVxD[0] = 0;
}
#endif
return JOYERR_NOERROR;
}