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Sweden-Number/dlls/dinput/joystick/linux.c

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/* DirectInput Joystick device
*
* Copyright 1998 Marcus Meissner
* Copyright 1998,1999 Lionel Ulmer
* Copyright 2000-2001 TransGaming Technologies Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#ifdef HAVE_LINUX_22_JOYSTICK_API
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/fcntl.h>
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#include <errno.h>
#ifdef HAVE_SYS_ERRNO_H
# include <sys/errno.h>
#endif
#ifdef HAVE_LINUX_JOYSTICK_H
# include <linux/joystick.h>
#endif
#define JOYDEV "/dev/js0"
#include "wine/debug.h"
#include "winbase.h"
#include "winerror.h"
#include "windef.h"
#include "dinput.h"
#include "dinput_private.h"
#include "device_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dinput);
/* Wine joystick driver object instances */
#define WINE_JOYSTICK_AXIS_BASE 0
#define WINE_JOYSTICK_BUTTON_BASE 8
typedef struct JoystickAImpl JoystickAImpl;
static ICOM_VTABLE(IDirectInputDevice8A) JoystickAvt;
struct JoystickAImpl
{
LPVOID lpVtbl;
DWORD ref;
GUID guid;
/* The 'parent' DInput */
IDirectInputAImpl *dinput;
/* joystick private */
int joyfd;
LPDIDATAFORMAT df;
HANDLE hEvent;
LONG lMin,lMax,deadzone;
LPDIDEVICEOBJECTDATA data_queue;
int queue_head, queue_tail, queue_len;
DIJOYSTATE js;
};
static GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
0x9e573ed9,
0x7734,
0x11d2,
{0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
};
static BOOL joydev_enum_device(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi)
{
int fd = -1;
if (dwFlags & DIEDFL_FORCEFEEDBACK)
return FALSE;
if ((dwDevType==0) || (GET_DIDEVICE_TYPE(dwDevType)==DIDEVTYPE_JOYSTICK)) {
/* check whether we have a joystick */
if ((fd = open(JOYDEV,O_RDONLY) != -1) || (errno!=ENODEV && errno!=ENOENT)) {
TRACE("Enumerating the linux Joystick device\n");
/* Return joystick */
lpddi->guidInstance = GUID_Joystick;
lpddi->guidProduct = DInput_Wine_Joystick_GUID;
/* we only support traditional joysticks for now */
lpddi->dwDevType = DIDEVTYPE_JOYSTICK |
(DIDEVTYPEJOYSTICK_TRADITIONAL<<8);
strcpy(lpddi->tszInstanceName, "Joystick");
/* ioctl JSIOCGNAME(len) */
strcpy(lpddi->tszProductName, "Wine Joystick");
lpddi->guidFFDriver = GUID_NULL;
if (fd != -1)
close(fd);
return TRUE;
}
}
return FALSE;
}
static JoystickAImpl *alloc_device(REFGUID rguid, LPVOID jvt, IDirectInputAImpl *dinput)
{
JoystickAImpl* newDevice;
newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickAImpl));
newDevice->lpVtbl = jvt;
newDevice->ref = 1;
newDevice->joyfd = -1;
newDevice->lMin = -32768;
newDevice->lMax = +32767;
newDevice->dinput = dinput;
memcpy(&(newDevice->guid),rguid,sizeof(*rguid));
return newDevice;
}
static HRESULT joydev_create_device(IDirectInputAImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
{
if ((IsEqualGUID(&GUID_Joystick,rguid)) ||
(IsEqualGUID(&DInput_Wine_Joystick_GUID,rguid))) {
if ((riid == NULL) ||
IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
*pdev=(IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput);
TRACE("Creating a Joystick device (%p)\n", *pdev);
return DI_OK;
} else
return DIERR_NOINTERFACE;
}
return DIERR_DEVICENOTREG;
}
static dinput_device joydev = {
10,
joydev_enum_device,
joydev_create_device
};
DECL_GLOBAL_CONSTRUCTOR(joydev_register) { dinput_register_device(&joydev); }
/******************************************************************************
* Joystick
*/
static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
{
ICOM_THIS(JoystickAImpl,iface);
This->ref--;
if (This->ref)
return This->ref;
/* Free the data queue */
if (This->data_queue != NULL)
HeapFree(GetProcessHeap(),0,This->data_queue);
/* Free the DataFormat */
HeapFree(GetProcessHeap(), 0, This->df);
HeapFree(GetProcessHeap(),0,This);
return 0;
}
/******************************************************************************
* SetDataFormat : the application can choose the format of the data
* the device driver sends back with GetDeviceState.
*/
static HRESULT WINAPI JoystickAImpl_SetDataFormat(
LPDIRECTINPUTDEVICE8A iface,LPCDIDATAFORMAT df
)
{
ICOM_THIS(JoystickAImpl,iface);
int i;
TRACE("(this=%p,%p)\n",This,df);
TRACE("(df.dwSize=%ld)\n",df->dwSize);
TRACE("(df.dwObjsize=%ld)\n",df->dwObjSize);
TRACE("(df.dwFlags=0x%08lx)\n",df->dwFlags);
TRACE("(df.dwDataSize=%ld)\n",df->dwDataSize);
TRACE("(df.dwNumObjs=%ld)\n",df->dwNumObjs);
for (i=0;i<df->dwNumObjs;i++) {
TRACE("df.rgodf[%d].guid %s (%p)\n",i,debugstr_guid(df->rgodf[i].pguid), df->rgodf[i].pguid);
TRACE("df.rgodf[%d].dwOfs %ld\n",i,df->rgodf[i].dwOfs);
TRACE("dwType 0x%02x,dwInstance %d\n",DIDFT_GETTYPE(df->rgodf[i].dwType),DIDFT_GETINSTANCE(df->rgodf[i].dwType));
TRACE("df.rgodf[%d].dwFlags 0x%08lx\n",i,df->rgodf[i].dwFlags);
}
/* Store the new data format */
This->df = HeapAlloc(GetProcessHeap(),0,df->dwSize);
memcpy(This->df, df, df->dwSize);
This->df->rgodf = HeapAlloc(GetProcessHeap(),0,df->dwNumObjs*df->dwObjSize);
memcpy(This->df->rgodf,df->rgodf,df->dwNumObjs*df->dwObjSize);
return 0;
}
/******************************************************************************
* Acquire : gets exclusive control of the joystick
*/
static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
{
ICOM_THIS(JoystickAImpl,iface);
TRACE("(this=%p)\n",This);
if (This->joyfd!=-1)
return 0;
This->joyfd=open(JOYDEV,O_RDONLY);
if (This->joyfd==-1)
return DIERR_NOTFOUND;
return 0;
}
/******************************************************************************
* Unacquire : frees the joystick
*/
static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
{
ICOM_THIS(JoystickAImpl,iface);
TRACE("(this=%p)\n",This);
if (This->joyfd!=-1) {
close(This->joyfd);
This->joyfd = -1;
}
return DI_OK;
}
#define map_axis(val) ((val+32768)*(This->lMax-This->lMin)/65536+This->lMin)
static void joy_polldev(JoystickAImpl *This) {
struct timeval tv;
fd_set readfds;
struct js_event jse;
if (This->joyfd==-1)
return;
while (1) {
memset(&tv,0,sizeof(tv));
FD_ZERO(&readfds);FD_SET(This->joyfd,&readfds);
if (1>select(This->joyfd+1,&readfds,NULL,NULL,&tv))
return;
/* we have one event, so we can read */
if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
return;
}
TRACE("js_event: type 0x%x, number %d, value %d\n",jse.type,jse.number,jse.value);
if (jse.type & JS_EVENT_BUTTON) {
GEN_EVENT(DIJOFS_BUTTON(jse.number),jse.value?0x80:0x00,jse.time,(This->dinput->evsequence)++);
This->js.rgbButtons[jse.number] = jse.value?0x80:0x00;
}
if (jse.type & JS_EVENT_AXIS) {
switch (jse.number) {
case 0:
GEN_EVENT(jse.number*4,jse.value,jse.time,(This->dinput->evsequence)++);
This->js.lX = map_axis(jse.value);
break;
case 1:
GEN_EVENT(jse.number*4,jse.value,jse.time,(This->dinput->evsequence)++);
This->js.lY = map_axis(jse.value);
break;
case 2:
GEN_EVENT(jse.number*4,jse.value,jse.time,(This->dinput->evsequence)++);
This->js.lZ = map_axis(jse.value);
break;
default:
FIXME("more than 3 axes (%d) not handled!\n",jse.number);
break;
}
}
}
}
/******************************************************************************
* GetDeviceState : returns the "state" of the joystick.
*
*/
static HRESULT WINAPI JoystickAImpl_GetDeviceState(
LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
) {
ICOM_THIS(JoystickAImpl,iface);
joy_polldev(This);
TRACE("(this=%p,0x%08lx,%p)\n",This,len,ptr);
if (len != sizeof(DIJOYSTATE)) {
FIXME("len %ld is not sizeof(DIJOYSTATE), unsupported format.\n",len);
}
memcpy(ptr,&(This->js),len);
This->queue_head = 0;
This->queue_tail = 0;
return 0;
}
/******************************************************************************
* GetDeviceData : gets buffered input data.
*/
static HRESULT WINAPI JoystickAImpl_GetDeviceData(LPDIRECTINPUTDEVICE8A iface,
DWORD dodsize,
LPDIDEVICEOBJECTDATA dod,
LPDWORD entries,
DWORD flags
) {
ICOM_THIS(JoystickAImpl,iface);
FIXME("(%p)->(dods=%ld,entries=%ld,fl=0x%08lx),STUB!\n",This,dodsize,*entries,flags);
joy_polldev(This);
if (flags & DIGDD_PEEK)
FIXME("DIGDD_PEEK\n");
if (dod == NULL) {
} else {
}
return 0;
}
/******************************************************************************
* SetProperty : change input device properties
*/
static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
REFGUID rguid,
LPCDIPROPHEADER ph)
{
ICOM_THIS(JoystickAImpl,iface);
FIXME("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
FIXME("ph.dwSize = %ld, ph.dwHeaderSize =%ld, ph.dwObj = %ld, ph.dwHow= %ld\n",ph->dwSize, ph->dwHeaderSize,ph->dwObj,ph->dwHow);
if (!HIWORD(rguid)) {
switch ((DWORD)rguid) {
case (DWORD) DIPROP_BUFFERSIZE: {
LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
FIXME("buffersize = %ld\n",pd->dwData);
break;
}
case (DWORD)DIPROP_RANGE: {
LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
FIXME("proprange(%ld,%ld)\n",pr->lMin,pr->lMax);
This->lMin = pr->lMin;
This->lMax = pr->lMax;
break;
}
case (DWORD)DIPROP_DEADZONE: {
LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
FIXME("deadzone(%ld)\n",pd->dwData);
This->deadzone = pd->dwData;
break;
}
default:
FIXME("Unknown type %ld (%s)\n",(DWORD)rguid,debugstr_guid(rguid));
break;
}
}
return 0;
}
/******************************************************************************
* SetEventNotification : specifies event to be sent on state change
*/
static HRESULT WINAPI JoystickAImpl_SetEventNotification(
LPDIRECTINPUTDEVICE8A iface, HANDLE hnd
) {
ICOM_THIS(JoystickAImpl,iface);
TRACE("(this=%p,0x%08lx)\n",This,(DWORD)hnd);
This->hEvent = hnd;
return DI_OK;
}
static HRESULT WINAPI JoystickAImpl_GetCapabilities(
LPDIRECTINPUTDEVICE8A iface,
LPDIDEVCAPS lpDIDevCaps)
{
ICOM_THIS(JoystickAImpl,iface);
BYTE axes,buttons;
int xfd = This->joyfd;
TRACE("%p->(%p)\n",iface,lpDIDevCaps);
if (xfd==-1)
xfd = open(JOYDEV,O_RDONLY);
lpDIDevCaps->dwFlags = DIDC_ATTACHED;
lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK;
#ifdef JSIOCGAXES
if (-1==ioctl(xfd,JSIOCGAXES,&axes))
axes = 2;
lpDIDevCaps->dwAxes = axes;
#endif
#ifdef JSIOCGBUTTONS
if (-1==ioctl(xfd,JSIOCGAXES,&buttons))
buttons = 2;
lpDIDevCaps->dwButtons = buttons;
#endif
if (xfd!=This->joyfd)
close(xfd);
return DI_OK;
}
static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
ICOM_THIS(JoystickAImpl,iface);
TRACE("(),stub!\n");
joy_polldev(This);
return DI_OK;
}
/******************************************************************************
* EnumObjects : enumerate the different buttons and axis...
*/
static HRESULT WINAPI JoystickAImpl_EnumObjects(
LPDIRECTINPUTDEVICE8A iface,
LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
LPVOID lpvRef,
DWORD dwFlags)
{
ICOM_THIS(JoystickAImpl,iface);
DIDEVICEOBJECTINSTANCEA ddoi;
int xfd = This->joyfd;
TRACE("(this=%p,%p,%p,%08lx)\n", This, lpCallback, lpvRef, dwFlags);
if (TRACE_ON(dinput)) {
DPRINTF(" - flags = ");
_dump_EnumObjects_flags(dwFlags);
DPRINTF("\n");
}
/* Only the fields till dwFFMaxForce are relevant */
ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
/* For the joystick, do as is done in the GetCapabilities function */
if ((dwFlags == DIDFT_ALL) ||
(dwFlags & DIDFT_AXIS)) {
BYTE axes, i;
#ifdef JSIOCGAXES
if (-1==ioctl(xfd,JSIOCGAXES,&axes))
axes = 2;
#endif
for (i = 0; i < axes; i++) {
switch (i) {
case 0:
ddoi.guidType = GUID_XAxis;
ddoi.dwOfs = DIJOFS_X;
break;
case 1:
ddoi.guidType = GUID_YAxis;
ddoi.dwOfs = DIJOFS_Y;
break;
case 2:
ddoi.guidType = GUID_ZAxis;
ddoi.dwOfs = DIJOFS_Z;
break;
default:
ddoi.guidType = GUID_Unknown;
ddoi.dwOfs = DIJOFS_Z + (i - 2) * sizeof(LONG);
}
ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << i) << WINE_JOYSTICK_AXIS_BASE) | DIDFT_ABSAXIS;
sprintf(ddoi.tszName, "%d-Axis", i);
_dump_OBJECTINSTANCEA(&ddoi);
if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) return DI_OK;
}
}
if ((dwFlags == DIDFT_ALL) ||
(dwFlags & DIDFT_BUTTON)) {
BYTE buttons, i;
#ifdef JSIOCGBUTTONS
if (-1==ioctl(xfd,JSIOCGAXES,&buttons))
buttons = 2;
#endif
/* The DInput SDK says that GUID_Button is only for mouse buttons but well... */
ddoi.guidType = GUID_Button;
for (i = 0; i < buttons; i++) {
ddoi.dwOfs = DIJOFS_BUTTON(i);
ddoi.dwType = DIDFT_MAKEINSTANCE((0x0001 << i) << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
sprintf(ddoi.tszName, "%d-Button", i);
_dump_OBJECTINSTANCEA(&ddoi);
if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) return DI_OK;
}
}
if (xfd!=This->joyfd)
close(xfd);
return DI_OK;
}
/******************************************************************************
* GetProperty : get input device properties
*/
static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
REFGUID rguid,
LPDIPROPHEADER pdiph)
{
ICOM_THIS(JoystickAImpl,iface);
TRACE("(this=%p,%s,%p): stub!\n",
iface, debugstr_guid(rguid), pdiph);
if (TRACE_ON(dinput))
_dump_DIPROPHEADER(pdiph);
if (!HIWORD(rguid)) {
switch ((DWORD)rguid) {
case (DWORD) DIPROP_BUFFERSIZE: {
LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
TRACE(" return buffersize = %d\n",This->queue_len);
pd->dwData = This->queue_len;
break;
}
case (DWORD) DIPROP_RANGE: {
LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
if ((pdiph->dwHow == DIPH_BYID) &&
(pdiph->dwObj & DIDFT_ABSAXIS)) {
/* The app is querying the current range of the axis : return the lMin and lMax values */
pr->lMin = This->lMin;
pr->lMax = This->lMax;
}
break;
}
default:
FIXME("Unknown type %ld (%s)\n",(DWORD)rguid,debugstr_guid(rguid));
break;
}
}
return DI_OK;
}
static ICOM_VTABLE(IDirectInputDevice8A) JoystickAvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDirectInputDevice2AImpl_QueryInterface,
IDirectInputDevice2AImpl_AddRef,
JoystickAImpl_Release,
JoystickAImpl_GetCapabilities,
JoystickAImpl_EnumObjects,
JoystickAImpl_GetProperty,
JoystickAImpl_SetProperty,
JoystickAImpl_Acquire,
JoystickAImpl_Unacquire,
JoystickAImpl_GetDeviceState,
JoystickAImpl_GetDeviceData,
JoystickAImpl_SetDataFormat,
JoystickAImpl_SetEventNotification,
IDirectInputDevice2AImpl_SetCooperativeLevel,
IDirectInputDevice2AImpl_GetObjectInfo,
IDirectInputDevice2AImpl_GetDeviceInfo,
IDirectInputDevice2AImpl_RunControlPanel,
IDirectInputDevice2AImpl_Initialize,
IDirectInputDevice2AImpl_CreateEffect,
IDirectInputDevice2AImpl_EnumEffects,
IDirectInputDevice2AImpl_GetEffectInfo,
IDirectInputDevice2AImpl_GetForceFeedbackState,
IDirectInputDevice2AImpl_SendForceFeedbackCommand,
IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
IDirectInputDevice2AImpl_Escape,
JoystickAImpl_Poll,
IDirectInputDevice2AImpl_SendDeviceData,
IDirectInputDevice7AImpl_EnumEffectsInFile,
IDirectInputDevice7AImpl_WriteEffectToFile,
IDirectInputDevice8AImpl_BuildActionMap,
IDirectInputDevice8AImpl_SetActionMap,
IDirectInputDevice8AImpl_GetImageInfo
};
#endif /* HAVE_LINUX_22_JOYSTICK_API */
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