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[wine] / dlls / dinput / joystick_linuxinput.c
1 /*              DirectInput Joystick device
2  *
3  * Copyright 1998,2000 Marcus Meissner
4  * Copyright 1998,1999 Lionel Ulmer
5  * Copyright 2000-2001 TransGaming Technologies Inc.
6  * Copyright 2005 Daniel Remenak
7  *
8  * This library is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * This library is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with this library; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21  */
22
23 #include "config.h"
24 #include "wine/port.h"
25
26 #include <assert.h>
27 #include <stdarg.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <time.h>
31 #ifdef HAVE_UNISTD_H
32 # include <unistd.h>
33 #endif
34 #ifdef HAVE_SYS_TIME_H
35 # include <sys/time.h>
36 #endif
37 #include <sys/fcntl.h>
38 #ifdef HAVE_SYS_IOCTL_H
39 # include <sys/ioctl.h>
40 #endif
41 #include <errno.h>
42 #ifdef HAVE_SYS_ERRNO_H
43 # include <sys/errno.h>
44 #endif
45 #ifdef HAVE_LINUX_INPUT_H
46 # include <linux/input.h>
47 # undef SW_MAX
48 # if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
49 #  define HAVE_CORRECT_LINUXINPUT_H
50 # endif
51 #endif
52 #ifdef HAVE_SYS_POLL_H
53 # include <sys/poll.h>
54 #endif
55
56 #include "wine/debug.h"
57 #include "wine/unicode.h"
58 #include "windef.h"
59 #include "winbase.h"
60 #include "winerror.h"
61 #include "dinput.h"
62
63 #include "dinput_private.h"
64 #include "device_private.h"
65
66 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
67
68
69 /*
70  * Maps POV x & y event values to a DX "clock" position:
71  *         0
72  *   31500    4500
73  * 27000  -1    9000
74  *   22500   13500
75  *       18000
76  */
77 DWORD joystick_map_pov(POINTL *p)
78 {
79     if (p->x > 0)
80         return p->y < 0 ?  4500 : !p->y ?  9000 : 13500;
81     else if (p->x < 0)
82         return p->y < 0 ? 31500 : !p->y ? 27000 : 22500;
83     else
84         return p->y < 0 ?     0 : !p->y ?    -1 : 18000;
85 }
86
87 /*
88  * This maps the read value (from the input event) to a value in the
89  * 'wanted' range.
90  */
91 LONG joystick_map_axis(ObjProps *props, int val)
92 {
93     LONG ret;
94     LONG center = (props->lMax - props->lMin) / 2;
95
96     /* map the value from the hmin-hmax range into the wmin-wmax range */
97     ret = MulDiv( val - props->lDevMin, props->lMax - props->lMin,
98                   props->lDevMax - props->lDevMin );
99
100     if (abs( ret - center ) <= props->lDeadZone / 2 )
101         ret = center;
102
103     ret += props->lMin;
104
105     TRACE( "(%d %d) -> (%d <%d> %d): val=%d ret=%d\n",
106            props->lDevMin, props->lDevMax,
107            props->lMin, props->lDeadZone, props->lMax,
108            val, ret );
109
110     return ret;
111 }
112
113 #ifdef HAVE_CORRECT_LINUXINPUT_H
114
115 #define EVDEVPREFIX     "/dev/input/event"
116
117 /* Wine joystick driver object instances */
118 #define WINE_JOYSTICK_MAX_AXES    8
119 #define WINE_JOYSTICK_MAX_POVS    4
120 #define WINE_JOYSTICK_MAX_BUTTONS 128
121
122 typedef struct EffectListItem EffectListItem;
123 struct EffectListItem
124 {
125         LPDIRECTINPUTEFFECT ref;
126         struct EffectListItem* next;
127 };
128
129 /* implemented in effect_linuxinput.c */
130 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, LPDIRECTINPUTEFFECT* peff);
131 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
132 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
133
134 typedef struct JoystickImpl JoystickImpl;
135 static const IDirectInputDevice8AVtbl JoystickAvt;
136 static const IDirectInputDevice8WVtbl JoystickWvt;
137
138 struct JoyDev {
139         char *device;
140         char *name;
141         GUID guid;
142
143         int has_ff;
144         int num_effects;
145
146         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
147         BYTE                            evbits[(EV_MAX+7)/8];
148         BYTE                            absbits[(ABS_MAX+7)/8];
149         BYTE                            keybits[(KEY_MAX+7)/8];
150         BYTE                            ffbits[(FF_MAX+7)/8];   
151
152 #define AXIS_ABS     0
153 #define AXIS_ABSMIN  1
154 #define AXIS_ABSMAX  2
155 #define AXIS_ABSFUZZ 3
156 #define AXIS_ABSFLAT 4
157
158         /* data returned by the EVIOCGABS() ioctl */
159         int                             axes[ABS_MAX][5];
160 };
161
162 struct ObjProps
163 {
164         /* what we have */
165         LONG                            havemax;
166         LONG                            havemin;
167         /* what range and deadzone the game wants */
168         LONG                            wantmin;
169         LONG                            wantmax;
170         LONG                            deadzone;
171 };
172
173 struct JoystickImpl
174 {
175         struct IDirectInputDevice2AImpl base;
176
177         struct JoyDev                  *joydev;
178
179         /* joystick private */
180         int                             joyfd;
181
182         DIJOYSTATE2                     js;
183
184         ObjProps                        props[ABS_MAX];
185
186         int                             axes[ABS_MAX];
187         POINTL                          povs[4];
188
189         /* LUT for KEY_ to offset in rgbButtons */
190         BYTE                            buttons[KEY_MAX];
191
192         DWORD                           numAxes;
193         DWORD                           numPOVs;
194         DWORD                           numButtons;
195
196         /* Force feedback variables */
197         EffectListItem*                 top_effect;
198         int                             ff_state;
199 };
200
201 static void fake_current_js_state(JoystickImpl *ji);
202 static void find_joydevs(void);
203
204 /* This GUID is slightly different from the linux joystick one. Take note. */
205 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
206   0x9e573eda,
207   0x7734,
208   0x11d2,
209   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
210 };
211
212 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
213
214 #define MAX_JOYDEV 64
215
216 static int have_joydevs = -1;
217 static struct JoyDev *joydevs = NULL;
218
219 static void find_joydevs(void)
220 {
221   int i;
222
223   if (have_joydevs!=-1) {
224     return;
225   }
226
227   have_joydevs = 0;
228
229   for (i=0;i<MAX_JOYDEV;i++) {
230     char        buf[MAX_PATH];
231     struct JoyDev joydev = {0};
232     int fd;
233     int no_ff_check = 0;
234     int j;
235
236     snprintf(buf,MAX_PATH,EVDEVPREFIX"%d",i);
237     buf[MAX_PATH-1] = 0;
238
239     if ((fd=open(buf, O_RDWR))==-1) {
240       fd = open(buf, O_RDONLY);
241       no_ff_check = 1;
242     }
243
244     if (fd!=-1) {
245
246       if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(joydev.evbits)),joydev.evbits))) {
247         perror("EVIOCGBIT 0");
248         close(fd);
249         continue; 
250       }
251       if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(joydev.absbits)),joydev.absbits)) {
252         perror("EVIOCGBIT EV_ABS");
253         close(fd);
254         continue;
255       }
256       if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(joydev.keybits)),joydev.keybits)) {
257         perror("EVIOCGBIT EV_KEY");
258         close(fd);
259         continue;
260       }
261       /* A true joystick has at least axis X and Y, and at least 1
262        * button. copied from linux/drivers/input/joydev.c */
263       if (test_bit(joydev.absbits,ABS_X) && test_bit(joydev.absbits,ABS_Y) &&
264           (   test_bit(joydev.keybits,BTN_TRIGGER)      ||
265               test_bit(joydev.keybits,BTN_A)    ||
266               test_bit(joydev.keybits,BTN_1)
267           )
268          ) {
269
270         joydev.device = strdup(buf);
271
272         if (-1!=ioctl(fd, EVIOCGNAME(MAX_PATH-1), buf)) {
273           buf[MAX_PATH-1] = 0;
274           joydev.name = strdup(buf);
275         } else {
276           joydev.name = joydev.device;
277         }
278
279         joydev.guid = DInput_Wine_Joystick_Base_GUID;
280         joydev.guid.Data3 += have_joydevs;
281
282         TRACE("Found a joystick on %s: %s (%s)\n", 
283             joydev.device, joydev.name, 
284             debugstr_guid(&joydev.guid)
285             );
286
287 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
288         if (!no_ff_check &&
289             test_bit(joydev.evbits, EV_FF) &&
290             ioctl(fd, EVIOCGBIT(EV_FF, sizeof(joydev.ffbits)), joydev.ffbits) != -1 &&
291             ioctl(fd, EVIOCGEFFECTS, &joydev.num_effects) != -1 &&
292             joydev.num_effects > 0)
293         {
294             TRACE(" ... with force feedback\n");
295             joydev.has_ff = 1;
296         }
297 #endif
298
299         for (j=0;j<ABS_MAX;j++) {
300           if (test_bit(joydev.absbits,j)) {
301             if (-1!=ioctl(fd,EVIOCGABS(j),&(joydev.axes[j]))) {
302               TRACE(" ... with axis %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
303                   j,
304                   joydev.axes[j][AXIS_ABS],
305                   joydev.axes[j][AXIS_ABSMIN],
306                   joydev.axes[j][AXIS_ABSMAX],
307                   joydev.axes[j][AXIS_ABSFUZZ],
308                   joydev.axes[j][AXIS_ABSFLAT]
309                   );
310             }
311           }
312         }
313
314         if (have_joydevs==0) {
315           joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
316         } else {
317           HeapReAlloc(GetProcessHeap(), 0, joydevs, (1+have_joydevs) * sizeof(struct JoyDev));
318         }
319         memcpy(joydevs+have_joydevs, &joydev, sizeof(struct JoyDev));
320         have_joydevs++;
321       }
322
323       close(fd);
324     }
325   }
326 }
327
328 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
329 {
330   find_joydevs();
331
332   if (id >= have_joydevs) {
333     return FALSE;
334   }
335  
336   if (!((dwDevType == 0) ||
337         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
338         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
339     return FALSE;
340
341 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
342   if (dwFlags & DIEDFL_FORCEFEEDBACK)
343     return FALSE;
344 #endif
345
346   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
347     lpddi->guidInstance = joydevs[id].guid;
348     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
349
350     lpddi->guidFFDriver = GUID_NULL;
351     if (version >= 0x0800)
352       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
353     else
354       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
355
356     strcpy(lpddi->tszInstanceName, joydevs[id].name);
357     strcpy(lpddi->tszProductName, joydevs[id].device);
358     return TRUE;
359   }
360   return FALSE;
361 }
362
363 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
364 {
365   find_joydevs();
366
367   if (id >= have_joydevs) {
368     return FALSE;
369   }
370
371   if (!((dwDevType == 0) ||
372         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
373         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
374     return FALSE;
375
376 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
377   if (dwFlags & DIEDFL_FORCEFEEDBACK)
378     return FALSE;
379 #endif
380
381   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
382     lpddi->guidInstance = joydevs[id].guid;
383     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
384
385     lpddi->guidFFDriver = GUID_NULL;
386     if (version >= 0x0800)
387       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
388     else
389       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
390
391     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
392     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
393     return TRUE;
394   }
395   return FALSE;
396 }
397
398 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, unsigned short index)
399 {
400     JoystickImpl* newDevice;
401     LPDIDATAFORMAT df = NULL;
402     int i, idx = 0;
403
404     newDevice = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(JoystickImpl));
405     if (!newDevice) return NULL;
406
407   newDevice->base.lpVtbl = jvt;
408   newDevice->base.ref = 1;
409   memcpy(&newDevice->base.guid, rguid, sizeof(*rguid));
410   InitializeCriticalSection(&newDevice->base.crit);
411   newDevice->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->base.crit");
412   newDevice->joyfd = -1;
413   newDevice->base.dinput = dinput;
414   newDevice->joydev = &joydevs[index];
415 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
416   newDevice->ff_state = FF_STATUS_STOPPED;
417 #endif
418
419     /* Create copy of default data format */
420     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto failed;
421     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
422     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
423
424     /* Supported Axis & POVs should map 1-to-1 */
425     for (i = 0; i < WINE_JOYSTICK_MAX_AXES; i++)
426     {
427         if (!test_bit(newDevice->joydev->absbits, i)) {
428             newDevice->axes[i] = -1;
429             continue;
430         }
431
432         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i], df->dwObjSize);
433         newDevice->axes[i] = idx;
434         newDevice->props[idx].lDevMin = newDevice->joydev->axes[i][AXIS_ABSMIN];
435         newDevice->props[idx].lDevMax = newDevice->joydev->axes[i][AXIS_ABSMAX];
436         newDevice->props[idx].lMin    = 0;
437         newDevice->props[idx].lMax    = 0xffff;
438         newDevice->props[idx].lSaturation = 0;
439         newDevice->props[idx].lDeadZone = MulDiv(newDevice->joydev->axes[i][AXIS_ABSFLAT], 0xffff,
440              newDevice->props[idx].lDevMax - newDevice->props[idx].lDevMin);
441
442         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numAxes++) | DIDFT_ABSAXIS;
443     }
444
445     for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
446     {
447         if (!test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) ||
448             !test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2)) {
449             newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = -1;
450             continue;
451         }
452
453         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + WINE_JOYSTICK_MAX_AXES], df->dwObjSize);
454         newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = i;
455         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numPOVs++) | DIDFT_POV;
456     }
457
458     /* Buttons can be anywhere, so check all */
459     for (i = 0; i < KEY_MAX && newDevice->numButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
460     {
461         if (!test_bit(newDevice->joydev->keybits, i)) continue;
462
463         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
464         newDevice->buttons[i] = 0x80 | newDevice->numButtons;
465         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
466     }
467     df->dwNumObjs = idx;
468
469     fake_current_js_state(newDevice);
470
471     newDevice->base.data_format.wine_df = df;
472     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->base.dinput);
473     return newDevice;
474
475 failed:
476     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
477     HeapFree(GetProcessHeap(), 0, df);
478     HeapFree(GetProcessHeap(), 0, newDevice);
479     return NULL;
480 }
481
482 /******************************************************************************
483   *     get_joystick_index : Get the joystick index from a given GUID
484   */
485 static unsigned short get_joystick_index(REFGUID guid)
486 {
487     GUID wine_joystick = DInput_Wine_Joystick_Base_GUID;
488     GUID dev_guid = *guid;
489
490     wine_joystick.Data3 = 0;
491     dev_guid.Data3 = 0;
492
493     /* for the standard joystick GUID use index 0 */
494     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
495
496     /* for the wine joystick GUIDs use the index stored in Data3 */
497     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3 - DInput_Wine_Joystick_Base_GUID.Data3;
498
499     return MAX_JOYDEV;
500 }
501
502 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
503 {
504     unsigned short index;
505
506     find_joydevs();
507
508     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV) {
509       if ((riid == NULL) ||
510       IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
511       IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
512       IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
513       IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
514         *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, index);
515         TRACE("Creating a Joystick device (%p)\n", *pdev);
516         if (*pdev==0) {
517           ERR("out of memory\n");
518           return DIERR_OUTOFMEMORY;
519         }
520         return DI_OK;
521       } else {
522         return DIERR_NOINTERFACE;
523       }
524     }
525
526     return DIERR_DEVICENOTREG;
527 }
528
529
530 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
531 {
532     unsigned short index;
533
534     find_joydevs();
535
536     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV) {
537       if ((riid == NULL) ||
538       IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
539       IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
540       IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
541       IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
542         *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, index);
543         TRACE("Creating a Joystick device (%p)\n", *pdev);
544         if (*pdev==0) {
545           ERR("out of memory\n");
546           return DIERR_OUTOFMEMORY;
547         }
548         return DI_OK;
549       } else {
550         return DIERR_NOINTERFACE;
551       }
552     }
553
554     return DIERR_DEVICENOTREG;
555 }
556
557 const struct dinput_device joystick_linuxinput_device = {
558   "Wine Linux-input joystick driver",
559   joydev_enum_deviceA,
560   joydev_enum_deviceW,
561   joydev_create_deviceA,
562   joydev_create_deviceW
563 };
564
565 /******************************************************************************
566   *     Acquire : gets exclusive control of the joystick
567   */
568 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
569 {
570     JoystickImpl *This = (JoystickImpl *)iface;
571     HRESULT res;
572
573     TRACE("(this=%p)\n",This);
574
575     res = IDirectInputDevice2AImpl_Acquire(iface);
576     if (res==DI_OK) {
577       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
578         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
579           /* Couldn't open the device at all */
580           perror(This->joydev->device);
581           IDirectInputDevice2AImpl_Unacquire(iface);
582           return DIERR_NOTFOUND;
583         } else {
584           /* Couldn't open in r/w but opened in read-only. */
585           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
586         }
587       }
588     }
589
590     return res;
591 }
592
593 /******************************************************************************
594   *     Unacquire : frees the joystick
595   */
596 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
597 {
598     JoystickImpl *This = (JoystickImpl *)iface;
599     HRESULT res;
600
601     TRACE("(this=%p)\n",This);
602     res = IDirectInputDevice2AImpl_Unacquire(iface);
603     if (res==DI_OK && This->joyfd!=-1) {
604       close(This->joyfd);
605       This->joyfd = -1;
606     }
607     return res;
608 }
609
610 /* 
611  * set the current state of the js device as it would be with the middle
612  * values on the axes
613  */
614 #define CENTER_AXIS(a) \
615     (ji->axes[a] == -1 ? 0 : joystick_map_axis( &ji->props[ji->axes[a]], \
616                                                 ji->joydev->axes[a][AXIS_ABS] ))
617 static void fake_current_js_state(JoystickImpl *ji)
618 {
619     int i;
620
621     /* center the axes */
622     ji->js.lX           = CENTER_AXIS(ABS_X);
623     ji->js.lY           = CENTER_AXIS(ABS_Y);
624     ji->js.lZ           = CENTER_AXIS(ABS_Z);
625     ji->js.lRx          = CENTER_AXIS(ABS_RX);
626     ji->js.lRy          = CENTER_AXIS(ABS_RY);
627     ji->js.lRz          = CENTER_AXIS(ABS_RZ);
628     ji->js.rglSlider[0] = CENTER_AXIS(ABS_THROTTLE);
629     ji->js.rglSlider[1] = CENTER_AXIS(ABS_RUDDER);
630
631     /* POV center is -1 */
632     for (i = 0; i < 4; i++)
633         ji->js.rgdwPOV[i] = -1;
634 }
635 #undef CENTER_AXIS
636
637 /* convert wine format offset to user format object index */
638 static void joy_polldev(JoystickImpl *This)
639 {
640     struct pollfd plfd;
641     struct input_event ie;
642
643     if (This->joyfd==-1)
644         return;
645
646     while (1)
647     {
648         LONG value = 0;
649         int inst_id = -1;
650
651         plfd.fd = This->joyfd;
652         plfd.events = POLLIN;
653
654         if (poll(&plfd,1,0) != 1)
655             return;
656
657         /* we have one event, so we can read */
658         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
659             return;
660
661         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
662         switch (ie.type) {
663         case EV_KEY:    /* button */
664         {
665             int btn = This->buttons[ie.code];
666
667             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
668             if (btn & 0x80)
669             {
670                 btn &= 0x7F;
671                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
672                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
673             }
674             break;
675         }
676         case EV_ABS:
677         {
678             int axis = This->axes[ie.code];
679             if (axis==-1) {
680                 break;
681             }
682             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
683             value = joystick_map_axis(&This->props[id_to_object(This->base.data_format.wine_df, inst_id)], ie.value);
684
685             switch (ie.code) {
686             case ABS_X:         This->js.lX  = value; break;
687             case ABS_Y:         This->js.lY  = value; break;
688             case ABS_Z:         This->js.lZ  = value; break;
689             case ABS_RX:        This->js.lRx = value; break;
690             case ABS_RY:        This->js.lRy = value; break;
691             case ABS_RZ:        This->js.lRz = value; break;
692             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
693             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
694             case ABS_HAT0X: case ABS_HAT0Y: case ABS_HAT1X: case ABS_HAT1Y:
695             case ABS_HAT2X: case ABS_HAT2Y: case ABS_HAT3X: case ABS_HAT3Y:
696             {
697                 int idx = (ie.code - ABS_HAT0X) / 2;
698
699                 if (ie.code % 2)
700                     This->povs[idx].y = ie.value;
701                 else
702                     This->povs[idx].x = ie.value;
703
704                 This->js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
705                 break;
706             }
707             default:
708                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
709             }
710             break;
711         }
712 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
713         case EV_FF_STATUS:
714             This->ff_state = ie.value;
715             break;
716 #endif
717 #ifdef EV_SYN
718         case EV_SYN:
719             /* there is nothing to do */
720             break;
721 #endif
722         default:
723             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
724             break;
725         }
726         if (inst_id >= 0)
727             queue_event((LPDIRECTINPUTDEVICE8A)This,
728                         id_to_offset(&This->base.data_format, inst_id),
729                         value, ie.time.tv_usec, This->base.dinput->evsequence++);
730     }
731 }
732
733 /******************************************************************************
734   *     GetDeviceState : returns the "state" of the joystick.
735   *
736   */
737 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
738         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
739 ) {
740     JoystickImpl *This = (JoystickImpl *)iface;
741
742     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
743
744     if (This->joyfd==-1) {
745         WARN("not acquired\n");
746         return DIERR_NOTACQUIRED;
747     }
748
749     joy_polldev(This);
750
751     /* convert and copy data to user supplied buffer */
752     fill_DataFormat(ptr, &This->js, &This->base.data_format);
753
754     return DI_OK;
755 }
756
757 /******************************************************************************
758   *     SetProperty : change input device properties
759   */
760 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
761                                             REFGUID rguid,
762                                             LPCDIPROPHEADER ph)
763 {
764   JoystickImpl *This = (JoystickImpl *)iface;
765
766   if (!ph) {
767     WARN("invalid argument\n");
768     return DIERR_INVALIDPARAM;
769   }
770
771   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
772   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
773         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
774
775   if (!HIWORD(rguid)) {
776     switch (LOWORD(rguid)) {
777     case (DWORD)DIPROP_RANGE: {
778       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
779
780       if (ph->dwHow == DIPH_DEVICE) {
781         int i;
782         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
783         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
784           /* Scale dead-zone */
785           This->props[i].lDeadZone = MulDiv(This->props[i].lDeadZone, pr->lMax - pr->lMin,
786                                             This->props[i].lMax - This->props[i].lMin);
787           This->props[i].lMin = pr->lMin;
788           This->props[i].lMax = pr->lMax;
789         }
790       } else {
791         int obj = find_property(&This->base.data_format, ph);
792
793         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
794         if (obj >= 0) {
795           /* Scale dead-zone */
796           This->props[obj].lDeadZone = MulDiv(This->props[obj].lDeadZone, pr->lMax - pr->lMin,
797                                               This->props[obj].lMax - This->props[obj].lMin);
798           This->props[obj].lMin = pr->lMin;
799           This->props[obj].lMax = pr->lMax;
800         }
801       }
802       fake_current_js_state(This);
803       break;
804     }
805     case (DWORD)DIPROP_DEADZONE: {
806       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
807       if (ph->dwHow == DIPH_DEVICE) {
808         int i;
809         TRACE("deadzone(%d) all\n", pd->dwData);
810         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
811           This->props[i].lDeadZone = pd->dwData;
812         }
813       } else {
814         int obj = find_property(&This->base.data_format, ph);
815
816         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
817         if (obj >= 0) {
818           This->props[obj].lDeadZone = pd->dwData;
819         }
820       }
821       fake_current_js_state(This);
822       break;
823     }
824     case (DWORD)DIPROP_CALIBRATIONMODE: {
825       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
826       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
827       break;
828     }
829     default:
830       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
831     }
832   }
833   return DI_OK;
834 }
835
836 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
837         LPDIRECTINPUTDEVICE8A iface,
838         LPDIDEVCAPS lpDIDevCaps)
839 {
840     JoystickImpl *This = (JoystickImpl *)iface;
841
842     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
843
844     if (!lpDIDevCaps) {
845         WARN("invalid pointer\n");
846         return E_POINTER;
847     }
848
849     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
850         WARN("invalid argument\n");
851         return DIERR_INVALIDPARAM;
852     }
853
854     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
855     if (This->base.dinput->dwVersion >= 0x0800)
856         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
857     else
858         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
859
860     if (This->joydev->has_ff) 
861          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
862
863     lpDIDevCaps->dwAxes = This->numAxes;
864     lpDIDevCaps->dwButtons = This->numButtons;
865     lpDIDevCaps->dwPOVs = This->numPOVs;
866
867     return DI_OK;
868 }
869
870 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
871     JoystickImpl *This = (JoystickImpl *)iface;
872     TRACE("(%p)\n",This);
873
874     if (This->joyfd==-1) {
875       return DIERR_NOTACQUIRED;
876     }
877
878     joy_polldev(This);
879     return DI_OK;
880 }
881
882 /******************************************************************************
883   *     GetProperty : get input device properties
884   */
885 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
886                                                 REFGUID rguid,
887                                                 LPDIPROPHEADER pdiph)
888 {
889     JoystickImpl *This = (JoystickImpl *)iface;
890
891     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
892     _dump_DIPROPHEADER(pdiph);
893
894     if (HIWORD(rguid)) return DI_OK;
895
896     switch (LOWORD(rguid)) {
897     case (DWORD) DIPROP_RANGE:
898     {
899         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
900         int obj = find_property(&This->base.data_format, pdiph);
901
902         if (obj < 0) return DIERR_OBJECTNOTFOUND;
903
904         pr->lMin = This->props[obj].lMin;
905         pr->lMax = This->props[obj].lMax;
906         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
907         break;
908     }
909     case (DWORD) DIPROP_DEADZONE:
910     {
911         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
912         int obj = find_property(&This->base.data_format, pdiph);
913
914         if (obj < 0) return DIERR_OBJECTNOTFOUND;
915
916         pd->dwData = This->props[obj].lDeadZone;
917         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
918         break;
919     }
920
921     default:
922         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
923     }
924
925     return DI_OK;
926 }
927
928 /******************************************************************************
929   *     GetObjectInfo : get information about a device object such as a button
930   *                     or axis
931   */
932 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
933         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
934 {
935     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
936     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
937     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
938     HRESULT res;
939
940     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
941     if (res != DI_OK) return res;
942
943     if      (pdidoi->dwType & DIDFT_AXIS)
944         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
945     else if (pdidoi->dwType & DIDFT_POV)
946         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
947     else if (pdidoi->dwType & DIDFT_BUTTON)
948         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
949
950     _dump_OBJECTINSTANCEW(pdidoi);
951     return res;
952 }
953
954 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
955         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
956 {
957     HRESULT res;
958     DIDEVICEOBJECTINSTANCEW didoiW;
959     DWORD dwSize = pdidoi->dwSize;
960
961     didoiW.dwSize = sizeof(didoiW);
962     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
963     if (res != DI_OK) return res;
964
965     memset(pdidoi, 0, pdidoi->dwSize);
966     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
967     pdidoi->dwSize = dwSize;
968     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
969                         sizeof(pdidoi->tszName), NULL, NULL);
970
971     return res;
972 }
973
974 /****************************************************************************** 
975   *     CreateEffect - Create a new FF effect with the specified params
976   */
977 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
978                                                  REFGUID rguid,
979                                                  LPCDIEFFECT lpeff,
980                                                  LPDIRECTINPUTEFFECT *ppdef,
981                                                  LPUNKNOWN pUnkOuter)
982 {
983 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
984     EffectListItem* new = NULL;
985     HRESULT retval = DI_OK;
986 #endif
987
988     JoystickImpl* This = (JoystickImpl*)iface;
989     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
990
991 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
992     TRACE("not available (compiled w/o ff support)\n");
993     *ppdef = NULL;
994     return DI_OK;
995 #else
996
997     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
998     new->next = This->top_effect;
999     This->top_effect = new;
1000
1001     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1002     if (retval != DI_OK)
1003         return retval;
1004
1005     if (lpeff != NULL)
1006         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1007     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1008         return retval;
1009
1010     *ppdef = new->ref;
1011
1012     if (pUnkOuter != NULL)
1013         FIXME("Interface aggregation not implemented.\n");
1014
1015     return DI_OK;
1016
1017 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1018
1019
1020 /*******************************************************************************
1021  *      EnumEffects - Enumerate available FF effects
1022  */
1023 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1024                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1025                                                 LPVOID pvRef,
1026                                                 DWORD dwEffType)
1027 {
1028 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1029     DIEFFECTINFOA dei; /* feif */
1030     DWORD type = DIEFT_GETTYPE(dwEffType);
1031     JoystickImpl* This = (JoystickImpl*)iface;
1032
1033     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1034
1035     dei.dwSize = sizeof(DIEFFECTINFOA);          
1036
1037     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1038         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1039         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1040         (*lpCallback)(&dei, pvRef);
1041     }
1042
1043     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1044         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1045         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1046             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1047             (*lpCallback)(&dei, pvRef);
1048         }
1049         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1050             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1051             (*lpCallback)(&dei, pvRef);
1052         }
1053         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1054             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1055             (*lpCallback)(&dei, pvRef);
1056         }
1057         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1058             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1059             (*lpCallback)(&dei, pvRef);
1060         }
1061         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1062             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1063             (*lpCallback)(&dei, pvRef);
1064         }
1065     } 
1066
1067     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1068         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1069         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1070         (*lpCallback)(&dei, pvRef);
1071     }
1072
1073     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1074         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1075             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1076             (*lpCallback)(&dei, pvRef);
1077         }
1078         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1079             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1080             (*lpCallback)(&dei, pvRef);
1081         }
1082         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1083             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1084             (*lpCallback)(&dei, pvRef);
1085         }
1086         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1087             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1088             (*lpCallback)(&dei, pvRef);
1089         }
1090     }
1091
1092 #endif
1093
1094     return DI_OK;
1095 }
1096
1097 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1098                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1099                                                 LPVOID pvRef,
1100                                                 DWORD dwEffType)
1101 {
1102 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1103     /* seems silly to duplicate all this code but all the structures and functions
1104      * are actually different (A/W) */
1105     DIEFFECTINFOW dei; /* feif */
1106     DWORD type = DIEFT_GETTYPE(dwEffType);
1107     JoystickImpl* This = (JoystickImpl*)iface;
1108     int xfd = This->joyfd;
1109
1110     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1111
1112     dei.dwSize = sizeof(DIEFFECTINFOW);          
1113
1114     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1115         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1116         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1117         (*lpCallback)(&dei, pvRef);
1118     }
1119
1120     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1121         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1122         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1123             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1124             (*lpCallback)(&dei, pvRef);
1125         }
1126         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1127             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1128             (*lpCallback)(&dei, pvRef);
1129         }
1130         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1131             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1132             (*lpCallback)(&dei, pvRef);
1133         }
1134         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1135             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1136             (*lpCallback)(&dei, pvRef);
1137         }
1138         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1139             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1140             (*lpCallback)(&dei, pvRef);
1141         }
1142     } 
1143
1144     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1145         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1146         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1147         (*lpCallback)(&dei, pvRef);
1148     }
1149
1150     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1151         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1152             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1153             (*lpCallback)(&dei, pvRef);
1154         }
1155         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1156             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1157             (*lpCallback)(&dei, pvRef);
1158         }
1159         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1160             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1161             (*lpCallback)(&dei, pvRef);
1162         }
1163         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1164             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1165             (*lpCallback)(&dei, pvRef);
1166         }
1167     }
1168
1169     /* return to unacquired state if that's where it was */
1170     if (xfd == -1)
1171         IDirectInputDevice8_Unacquire(iface);
1172 #endif
1173
1174     return DI_OK;
1175 }
1176
1177 /*******************************************************************************
1178  *      GetEffectInfo - Get information about a particular effect 
1179  */
1180 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1181                                                   LPDIEFFECTINFOA pdei,
1182                                                   REFGUID guid)
1183 {
1184     JoystickImpl* This = (JoystickImpl*)iface;
1185
1186     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1187
1188 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1189     return linuxinput_get_info_A(This->joyfd, guid, pdei); 
1190 #else
1191     return DI_OK;
1192 #endif
1193 }
1194
1195 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1196                                                   LPDIEFFECTINFOW pdei,
1197                                                   REFGUID guid)
1198 {
1199     JoystickImpl* This = (JoystickImpl*)iface;
1200             
1201     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1202         
1203 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1204     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1205 #else
1206     return DI_OK;
1207 #endif
1208 }
1209
1210 /*******************************************************************************
1211  *      GetForceFeedbackState - Get information about the device's FF state 
1212  */
1213 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1214         LPDIRECTINPUTDEVICE8A iface,
1215         LPDWORD pdwOut)
1216 {
1217     JoystickImpl* This = (JoystickImpl*)iface;
1218
1219     TRACE("(this=%p,%p)\n", This, pdwOut);
1220
1221     (*pdwOut) = 0;
1222
1223 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1224     /* DIGFFS_STOPPED is the only mandatory flag to report */
1225     if (This->ff_state == FF_STATUS_STOPPED)
1226         (*pdwOut) |= DIGFFS_STOPPED;
1227 #endif
1228
1229     return DI_OK;
1230 }
1231
1232 /*******************************************************************************
1233  *      SendForceFeedbackCommand - Send a command to the device's FF system
1234  */
1235 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1236         LPDIRECTINPUTDEVICE8A iface,
1237         DWORD dwFlags)
1238 {
1239     JoystickImpl* This = (JoystickImpl*)iface;
1240     TRACE("(this=%p,%d)\n", This, dwFlags);
1241
1242 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1243     if (dwFlags == DISFFC_STOPALL) {
1244         /* Stop all effects */
1245         EffectListItem* itr = This->top_effect;
1246         while (itr) {
1247             IDirectInputEffect_Stop(itr->ref);
1248             itr = itr->next;
1249         }
1250     } else if (dwFlags == DISFFC_RESET) {
1251         /* Stop, unload, release and free all effects */
1252         /* This returns the device to its "bare" state */
1253         while (This->top_effect) {
1254             EffectListItem* temp = This->top_effect;
1255             IDirectInputEffect_Stop(temp->ref);
1256             IDirectInputEffect_Unload(temp->ref);
1257             IDirectInputEffect_Release(temp->ref);
1258             This->top_effect = temp->next;
1259             HeapFree(GetProcessHeap(), 0, temp);
1260         }
1261     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1262         FIXME("No support for Pause or Continue in linux\n");
1263     } else if (dwFlags == DISFFC_SETACTUATORSOFF 
1264                 || dwFlags == DISFFC_SETACTUATORSON) {
1265         FIXME("No direct actuator control in linux\n");
1266     } else {
1267         FIXME("Unknown Force Feedback Command!\n");
1268         return DIERR_INVALIDPARAM;
1269     }
1270     return DI_OK;
1271 #else
1272     return DIERR_UNSUPPORTED;
1273 #endif
1274 }
1275
1276 /*******************************************************************************
1277  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1278  *              created for this device.
1279  */
1280 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1281         LPDIRECTINPUTDEVICE8A iface,
1282         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1283         LPVOID pvRef,
1284         DWORD dwFlags)
1285 {
1286     /* this function is safe to call on non-ff-enabled builds */
1287
1288     JoystickImpl* This = (JoystickImpl*)iface;
1289     EffectListItem* itr = This->top_effect;
1290     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1291
1292     if (!lpCallback)
1293         return DIERR_INVALIDPARAM;
1294
1295     if (dwFlags != 0)
1296         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1297
1298     while (itr) {
1299         (*lpCallback)(itr->ref, pvRef);
1300         itr = itr->next;
1301     }
1302
1303     return DI_OK;
1304 }
1305
1306 static const IDirectInputDevice8AVtbl JoystickAvt =
1307 {
1308         IDirectInputDevice2AImpl_QueryInterface,
1309         IDirectInputDevice2AImpl_AddRef,
1310         IDirectInputDevice2AImpl_Release,
1311         JoystickAImpl_GetCapabilities,
1312         IDirectInputDevice2AImpl_EnumObjects,
1313         JoystickAImpl_GetProperty,
1314         JoystickAImpl_SetProperty,
1315         JoystickAImpl_Acquire,
1316         JoystickAImpl_Unacquire,
1317         JoystickAImpl_GetDeviceState,
1318         IDirectInputDevice2AImpl_GetDeviceData,
1319         IDirectInputDevice2AImpl_SetDataFormat,
1320         IDirectInputDevice2AImpl_SetEventNotification,
1321         IDirectInputDevice2AImpl_SetCooperativeLevel,
1322         JoystickAImpl_GetObjectInfo,
1323         IDirectInputDevice2AImpl_GetDeviceInfo,
1324         IDirectInputDevice2AImpl_RunControlPanel,
1325         IDirectInputDevice2AImpl_Initialize,
1326         JoystickAImpl_CreateEffect,
1327         JoystickAImpl_EnumEffects,
1328         JoystickAImpl_GetEffectInfo,
1329         JoystickAImpl_GetForceFeedbackState,
1330         JoystickAImpl_SendForceFeedbackCommand,
1331         JoystickAImpl_EnumCreatedEffectObjects,
1332         IDirectInputDevice2AImpl_Escape,
1333         JoystickAImpl_Poll,
1334         IDirectInputDevice2AImpl_SendDeviceData,
1335         IDirectInputDevice7AImpl_EnumEffectsInFile,
1336         IDirectInputDevice7AImpl_WriteEffectToFile,
1337         IDirectInputDevice8AImpl_BuildActionMap,
1338         IDirectInputDevice8AImpl_SetActionMap,
1339         IDirectInputDevice8AImpl_GetImageInfo
1340 };
1341
1342 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1343 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1344 #else
1345 # define XCAST(fun)     (void*)
1346 #endif
1347
1348 static const IDirectInputDevice8WVtbl JoystickWvt =
1349 {
1350         IDirectInputDevice2WImpl_QueryInterface,
1351         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1352         XCAST(Release)IDirectInputDevice2AImpl_Release,
1353         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1354         IDirectInputDevice2WImpl_EnumObjects,
1355         XCAST(GetProperty)JoystickAImpl_GetProperty,
1356         XCAST(SetProperty)JoystickAImpl_SetProperty,
1357         XCAST(Acquire)JoystickAImpl_Acquire,
1358         XCAST(Unacquire)JoystickAImpl_Unacquire,
1359         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1360         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1361         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1362         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1363         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1364         JoystickWImpl_GetObjectInfo,
1365         IDirectInputDevice2WImpl_GetDeviceInfo,
1366         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1367         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1368         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1369         JoystickWImpl_EnumEffects,
1370         JoystickWImpl_GetEffectInfo,
1371         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1372         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1373         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1374         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1375         XCAST(Poll)JoystickAImpl_Poll,
1376         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1377         IDirectInputDevice7WImpl_EnumEffectsInFile,
1378         IDirectInputDevice7WImpl_WriteEffectToFile,
1379         IDirectInputDevice8WImpl_BuildActionMap,
1380         IDirectInputDevice8WImpl_SetActionMap,
1381         IDirectInputDevice8WImpl_GetImageInfo
1382 };
1383 #undef XCAST
1384
1385 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1386
1387 const struct dinput_device joystick_linuxinput_device = {
1388   "Wine Linux-input joystick driver",
1389   NULL,
1390   NULL,
1391   NULL,
1392   NULL
1393 };
1394
1395 #endif  /* HAVE_CORRECT_LINUXINPUT_H */