rsaenh: Declare some functions static.
[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 <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 "wine/list.h"
59 #include "windef.h"
60 #include "winbase.h"
61 #include "winerror.h"
62 #include "winreg.h"
63 #include "dinput.h"
64
65 #include "dinput_private.h"
66 #include "device_private.h"
67
68 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
69
70
71 /*
72  * Maps POV x & y event values to a DX "clock" position:
73  *         0
74  *   31500    4500
75  * 27000  -1    9000
76  *   22500   13500
77  *       18000
78  */
79 DWORD joystick_map_pov(POINTL *p)
80 {
81     if (p->x > 0)
82         return p->y < 0 ?  4500 : !p->y ?  9000 : 13500;
83     else if (p->x < 0)
84         return p->y < 0 ? 31500 : !p->y ? 27000 : 22500;
85     else
86         return p->y < 0 ?     0 : !p->y ?    -1 : 18000;
87 }
88
89 /*
90  * This maps the read value (from the input event) to a value in the
91  * 'wanted' range.
92  * Notes:
93  *   Dead zone is in % multiplied by a 100 (range 0..10000)
94  */
95 LONG joystick_map_axis(ObjProps *props, int val)
96 {
97     LONG ret;
98     LONG dead_zone = MulDiv( props->lDeadZone, props->lDevMax - props->lDevMin, 10000 );
99     LONG dev_range = props->lDevMax - props->lDevMin - dead_zone;
100
101     /* Center input */
102     val -= (props->lDevMin + props->lDevMax) / 2;
103
104     /* Remove dead zone */
105     if (abs( val ) <= dead_zone / 2)
106         val = 0;
107     else
108         val = val < 0 ? val + dead_zone / 2 : val - dead_zone / 2;
109
110     /* Scale and map the value from the device range into the required range */
111     ret = MulDiv( val, props->lMax - props->lMin, dev_range ) +
112           (props->lMin + props->lMax) / 2;
113
114     /* Clamp in case or rounding errors */
115     if      (ret > props->lMax) ret = props->lMax;
116     else if (ret < props->lMin) ret = props->lMin;
117
118     TRACE( "(%d <%d> %d) -> (%d <%d> %d): val=%d ret=%d\n",
119            props->lDevMin, dead_zone, props->lDevMax,
120            props->lMin, props->lDeadZone, props->lMax,
121            val, ret );
122
123     return ret;
124 }
125
126 #ifdef HAVE_CORRECT_LINUXINPUT_H
127
128 #define EVDEVPREFIX     "/dev/input/event"
129
130 /* Wine joystick driver object instances */
131 #define WINE_JOYSTICK_MAX_AXES    8
132 #define WINE_JOYSTICK_MAX_POVS    4
133 #define WINE_JOYSTICK_MAX_BUTTONS 128
134
135 struct wine_input_absinfo {
136     LONG value;
137     LONG minimum;
138     LONG maximum;
139     LONG fuzz;
140     LONG flat;
141 };
142
143 /* implemented in effect_linuxinput.c */
144 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, struct list *parent_list_entry, LPDIRECTINPUTEFFECT* peff);
145 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
146 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
147
148 typedef struct JoystickImpl JoystickImpl;
149 static const IDirectInputDevice8AVtbl JoystickAvt;
150 static const IDirectInputDevice8WVtbl JoystickWvt;
151
152 struct JoyDev {
153         char *device;
154         char *name;
155         GUID guid;
156
157         int has_ff;
158         int num_effects;
159
160         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
161         BYTE                            evbits[(EV_MAX+7)/8];
162         BYTE                            absbits[(ABS_MAX+7)/8];
163         BYTE                            keybits[(KEY_MAX+7)/8];
164         BYTE                            ffbits[(FF_MAX+7)/8];   
165
166         /* data returned by the EVIOCGABS() ioctl */
167         struct wine_input_absinfo       axes[ABS_MAX];
168 };
169
170 struct JoystickImpl
171 {
172         struct IDirectInputDevice2AImpl base;
173
174         struct JoyDev                  *joydev;
175
176         /* joystick private */
177         int                             joyfd;
178
179         DIJOYSTATE2                     js;
180
181         ObjProps                        props[ABS_MAX];
182
183         int                             axes[ABS_MAX];
184         POINTL                          povs[4];
185
186         /* LUT for KEY_ to offset in rgbButtons */
187         BYTE                            buttons[KEY_MAX];
188
189         DWORD                           numAxes;
190         DWORD                           numPOVs;
191         DWORD                           numButtons;
192
193         /* Force feedback variables */
194         struct list                     ff_effects;
195         int                             ff_state;
196 };
197
198 static void fake_current_js_state(JoystickImpl *ji);
199 static void find_joydevs(void);
200
201 /* This GUID is slightly different from the linux joystick one. Take note. */
202 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
203   0x9e573eda,
204   0x7734,
205   0x11d2,
206   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
207 };
208
209 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
210
211 #define MAX_JOYDEV 64
212
213 static int have_joydevs = -1;
214 static struct JoyDev *joydevs = NULL;
215
216 static void find_joydevs(void)
217 {
218     int i;
219
220     if (InterlockedCompareExchange(&have_joydevs, 0, -1) != -1)
221         /* Someone beat us to it */
222         return;
223
224     for (i = 0; i < MAX_JOYDEV; i++)
225     {
226         char buf[MAX_PATH];
227         struct JoyDev joydev = {0};
228         int fd;
229         int no_ff_check = 0;
230         int j;
231         struct JoyDev *new_joydevs;
232
233         snprintf(buf, sizeof(buf), EVDEVPREFIX"%d", i);
234
235         if ((fd = open(buf, O_RDWR)) == -1)
236         {
237             fd = open(buf, O_RDONLY);
238             no_ff_check = 1;
239         }
240
241         if (fd == -1)
242         {
243             WARN("Failed to open \"%s\": %d %s\n", buf, errno, strerror(errno));
244             continue;
245         }
246
247         if (ioctl(fd, EVIOCGBIT(0, sizeof(joydev.evbits)), joydev.evbits) == -1)
248         {
249             WARN("ioct(EVIOCGBIT, 0) failed: %d %s\n", errno, strerror(errno));
250             close(fd);
251             continue;
252         }
253         if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(joydev.absbits)), joydev.absbits) == -1)
254         {
255             WARN("ioct(EVIOCGBIT, EV_ABS) failed: %d %s\n", errno, strerror(errno));
256             close(fd);
257             continue;
258         }
259         if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(joydev.keybits)), joydev.keybits) == -1)
260         {
261             WARN("ioct(EVIOCGBIT, EV_KEY) failed: %d %s\n", errno, strerror(errno));
262             close(fd);
263             continue;
264         }
265
266         /* A true joystick has at least axis X and Y, and at least 1
267          * button. copied from linux/drivers/input/joydev.c */
268         if (!test_bit(joydev.absbits, ABS_X) || !test_bit(joydev.absbits, ABS_Y) ||
269             !(test_bit(joydev.keybits, BTN_TRIGGER) ||
270               test_bit(joydev.keybits, BTN_A) ||
271               test_bit(joydev.keybits, BTN_1)))
272         {
273             close(fd);
274             continue;
275         }
276
277         if (!(joydev.device = HeapAlloc(GetProcessHeap(), 0, strlen(buf) + 1)))
278         {
279             close(fd);
280             continue;
281         }
282         strcpy(joydev.device, buf);
283
284         buf[MAX_PATH - 1] = 0;
285         if (ioctl(fd, EVIOCGNAME(MAX_PATH - 1), buf) != -1 &&
286             (joydev.name = HeapAlloc(GetProcessHeap(), 0, strlen(buf) + 1)))
287             strcpy(joydev.name, buf);
288         else
289             joydev.name = joydev.device;
290
291         joydev.guid = DInput_Wine_Joystick_Base_GUID;
292         joydev.guid.Data3 += have_joydevs;
293
294         TRACE("Found a joystick on %s: %s (%s)\n", 
295             joydev.device, joydev.name, 
296             debugstr_guid(&joydev.guid)
297             );
298
299 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
300         if (!no_ff_check &&
301             test_bit(joydev.evbits, EV_FF) &&
302             ioctl(fd, EVIOCGBIT(EV_FF, sizeof(joydev.ffbits)), joydev.ffbits) != -1 &&
303             ioctl(fd, EVIOCGEFFECTS, &joydev.num_effects) != -1 &&
304             joydev.num_effects > 0)
305         {
306             TRACE(" ... with force feedback\n");
307             joydev.has_ff = 1;
308         }
309 #endif
310
311         for (j = 0; j < ABS_MAX;j ++)
312         {
313             if (!test_bit(joydev.absbits, j)) continue;
314             if (ioctl(fd, EVIOCGABS(j), &(joydev.axes[j])) != -1)
315             {
316               TRACE(" ... with axis %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
317                   j,
318                   joydev.axes[j].value,
319                   joydev.axes[j].minimum,
320                   joydev.axes[j].maximum,
321                   joydev.axes[j].fuzz,
322                   joydev.axes[j].flat
323                   );
324             }
325         }
326
327         if (!have_joydevs)
328             new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
329         else
330             new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joydevs, (1 + have_joydevs) * sizeof(struct JoyDev));
331
332         if (!new_joydevs)
333         {
334             close(fd);
335             continue;
336         }
337         joydevs = new_joydevs;
338         memcpy(joydevs + have_joydevs, &joydev, sizeof(joydev));
339         have_joydevs++;
340
341         close(fd);
342     }
343 }
344
345 static void fill_joystick_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
346 {
347     DWORD dwSize = lpddi->dwSize;
348
349     TRACE("%d %p\n", dwSize, lpddi);
350     memset(lpddi, 0, dwSize);
351
352     lpddi->dwSize       = dwSize;
353     lpddi->guidInstance = joydevs[id].guid;
354     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
355     lpddi->guidFFDriver = GUID_NULL;
356
357     if (version >= 0x0800)
358         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
359     else
360         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
361
362     strcpy(lpddi->tszInstanceName, joydevs[id].name);
363     strcpy(lpddi->tszProductName, joydevs[id].device);
364 }
365
366 static void fill_joystick_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
367 {
368     DWORD dwSize = lpddi->dwSize;
369
370     TRACE("%d %p\n", dwSize, lpddi);
371     memset(lpddi, 0, dwSize);
372
373     lpddi->dwSize       = dwSize;
374     lpddi->guidInstance = joydevs[id].guid;
375     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
376     lpddi->guidFFDriver = GUID_NULL;
377
378     if (version >= 0x0800)
379         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
380     else
381         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
382
383     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
384     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
385 }
386
387 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
388 {
389   find_joydevs();
390
391   if (id >= have_joydevs) {
392     return FALSE;
393   }
394
395   if (!((dwDevType == 0) ||
396         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
397         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
398     return FALSE;
399
400 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
401   if (dwFlags & DIEDFL_FORCEFEEDBACK)
402     return FALSE;
403 #endif
404
405   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
406     fill_joystick_dideviceinstanceA(lpddi, version, id);
407     return TRUE;
408   }
409   return FALSE;
410 }
411
412 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
413 {
414   find_joydevs();
415
416   if (id >= have_joydevs) {
417     return FALSE;
418   }
419
420   if (!((dwDevType == 0) ||
421         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
422         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
423     return FALSE;
424
425 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
426   if (dwFlags & DIEDFL_FORCEFEEDBACK)
427     return FALSE;
428 #endif
429
430   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
431     fill_joystick_dideviceinstanceW(lpddi, version, id);
432     return TRUE;
433   }
434   return FALSE;
435 }
436
437 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, unsigned short index)
438 {
439     JoystickImpl* newDevice;
440     LPDIDATAFORMAT df = NULL;
441     int i, idx = 0;
442     char buffer[MAX_PATH+16];
443     HKEY hkey, appkey;
444     LONG def_deadzone = 0;
445
446     newDevice = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(JoystickImpl));
447     if (!newDevice) return NULL;
448
449     newDevice->base.lpVtbl = jvt;
450     newDevice->base.ref    = 1;
451     newDevice->base.guid   = *rguid;
452     newDevice->base.dinput = dinput;
453     newDevice->joyfd       = -1;
454     newDevice->joydev      = &joydevs[index];
455     list_init(&newDevice->ff_effects);
456 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
457     newDevice->ff_state    = FF_STATUS_STOPPED;
458 #endif
459     InitializeCriticalSection(&newDevice->base.crit);
460     newDevice->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->base.crit");
461
462     /* get options */
463     get_app_key(&hkey, &appkey);
464
465     if (!get_config_key(hkey, appkey, "DefaultDeadZone", buffer, MAX_PATH))
466     {
467         def_deadzone = atoi(buffer);
468         TRACE("setting default deadzone to: %d\n", def_deadzone);
469     }
470     if (appkey) RegCloseKey(appkey);
471     if (hkey) RegCloseKey(hkey);
472
473     /* Create copy of default data format */
474     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto failed;
475     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
476     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
477
478     /* Supported Axis & POVs should map 1-to-1 */
479     for (i = 0; i < WINE_JOYSTICK_MAX_AXES; i++)
480     {
481         if (!test_bit(newDevice->joydev->absbits, i)) {
482             newDevice->axes[i] = -1;
483             continue;
484         }
485
486         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i], df->dwObjSize);
487         newDevice->axes[i] = idx;
488         newDevice->props[idx].lDevMin = newDevice->joydev->axes[i].minimum;
489         newDevice->props[idx].lDevMax = newDevice->joydev->axes[i].maximum;
490         newDevice->props[idx].lMin    = 0;
491         newDevice->props[idx].lMax    = 0xffff;
492         newDevice->props[idx].lSaturation = 0;
493         newDevice->props[idx].lDeadZone = def_deadzone;
494
495         /* Linux supports force-feedback on X & Y axes only */
496         if (newDevice->joydev->has_ff && (i == 0 || i == 1))
497             df->rgodf[idx].dwFlags |= DIDOI_FFACTUATOR;
498
499         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numAxes++) | DIDFT_ABSAXIS;
500     }
501
502     for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
503     {
504         if (!test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) ||
505             !test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2)) {
506             newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = -1;
507             continue;
508         }
509
510         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + WINE_JOYSTICK_MAX_AXES], df->dwObjSize);
511         newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = i;
512         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numPOVs++) | DIDFT_POV;
513     }
514
515     /* Buttons can be anywhere, so check all */
516     for (i = 0; i < KEY_MAX && newDevice->numButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
517     {
518         if (!test_bit(newDevice->joydev->keybits, i)) continue;
519
520         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
521         newDevice->buttons[i] = 0x80 | newDevice->numButtons;
522         df->rgodf[idx  ].pguid = &GUID_Button;
523         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
524     }
525     df->dwNumObjs = idx;
526
527     fake_current_js_state(newDevice);
528
529     newDevice->base.data_format.wine_df = df;
530     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->base.dinput);
531     return newDevice;
532
533 failed:
534     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
535     HeapFree(GetProcessHeap(), 0, df);
536     HeapFree(GetProcessHeap(), 0, newDevice);
537     return NULL;
538 }
539
540 /******************************************************************************
541   *     get_joystick_index : Get the joystick index from a given GUID
542   */
543 static unsigned short get_joystick_index(REFGUID guid)
544 {
545     GUID wine_joystick = DInput_Wine_Joystick_Base_GUID;
546     GUID dev_guid = *guid;
547
548     wine_joystick.Data3 = 0;
549     dev_guid.Data3 = 0;
550
551     /* for the standard joystick GUID use index 0 */
552     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
553
554     /* for the wine joystick GUIDs use the index stored in Data3 */
555     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3 - DInput_Wine_Joystick_Base_GUID.Data3;
556
557     return MAX_JOYDEV;
558 }
559
560 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
561 {
562     unsigned short index;
563
564     find_joydevs();
565
566     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV &&
567         have_joydevs && index < have_joydevs)
568     {
569         if ((riid == NULL) ||
570             IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
571             IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
572             IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
573             IsEqualGUID(&IID_IDirectInputDevice8A, riid))
574         {
575             *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, index);
576             TRACE("Created a Joystick device (%p)\n", *pdev);
577
578             if (*pdev == NULL)
579             {
580                 ERR("out of memory\n");
581                 return DIERR_OUTOFMEMORY;
582             }
583             return DI_OK;
584         }
585
586         WARN("no interface\n");
587         return DIERR_NOINTERFACE;
588     }
589
590     return DIERR_DEVICENOTREG;
591 }
592
593
594 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
595 {
596     unsigned short index;
597
598     find_joydevs();
599
600     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV &&
601         have_joydevs && index < have_joydevs)
602     {
603         if ((riid == NULL) ||
604             IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
605             IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
606             IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
607             IsEqualGUID(&IID_IDirectInputDevice8W, riid))
608         {
609             *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, index);
610             TRACE("Created a Joystick device (%p)\n", *pdev);
611
612             if (*pdev == NULL)
613             {
614                 ERR("out of memory\n");
615                 return DIERR_OUTOFMEMORY;
616             }
617             return DI_OK;
618         }
619         WARN("no interface\n");
620         return DIERR_NOINTERFACE;
621     }
622
623     WARN("invalid device GUID\n");
624     return DIERR_DEVICENOTREG;
625 }
626
627 const struct dinput_device joystick_linuxinput_device = {
628   "Wine Linux-input joystick driver",
629   joydev_enum_deviceA,
630   joydev_enum_deviceW,
631   joydev_create_deviceA,
632   joydev_create_deviceW
633 };
634
635 /******************************************************************************
636   *     Acquire : gets exclusive control of the joystick
637   */
638 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
639 {
640     JoystickImpl *This = (JoystickImpl *)iface;
641     HRESULT res;
642
643     TRACE("(this=%p)\n",This);
644
645     if ((res = IDirectInputDevice2AImpl_Acquire(iface)) != DI_OK)
646     {
647         WARN("Failed to acquire: %x\n", res);
648         return res;
649     }
650
651     if ((This->joyfd = open(This->joydev->device, O_RDWR)) == -1)
652     {
653         if ((This->joyfd = open(This->joydev->device, O_RDONLY)) == -1)
654         {
655             /* Couldn't open the device at all */
656             ERR("Failed to open device %s: %d %s\n", This->joydev->device, errno, strerror(errno));
657             IDirectInputDevice2AImpl_Unacquire(iface);
658             return DIERR_NOTFOUND;
659         }
660         else
661         {
662             /* Couldn't open in r/w but opened in read-only. */
663             WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
664         }
665     }
666
667     return DI_OK;
668 }
669
670 /******************************************************************************
671   *     Unacquire : frees the joystick
672   */
673 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
674 {
675     JoystickImpl *This = (JoystickImpl *)iface;
676     HRESULT res;
677
678     TRACE("(this=%p)\n",This);
679     res = IDirectInputDevice2AImpl_Unacquire(iface);
680     if (res==DI_OK && This->joyfd!=-1) {
681       effect_list_item *itr;
682
683       /* For each known effect:
684        * - stop it
685        * - unload it
686        * But, unlike DISFFC_RESET, do not release the effect.
687        */
688       LIST_FOR_EACH_ENTRY(itr, &This->ff_effects, effect_list_item, entry) {
689           IDirectInputEffect_Stop(itr->ref);
690           IDirectInputEffect_Unload(itr->ref);
691       }
692
693       close(This->joyfd);
694       This->joyfd = -1;
695     }
696     return res;
697 }
698
699 /* 
700  * set the current state of the js device as it would be with the middle
701  * values on the axes
702  */
703 #define CENTER_AXIS(a) \
704     (ji->axes[a] == -1 ? 0 : joystick_map_axis( &ji->props[ji->axes[a]], \
705                                                 ji->joydev->axes[a].value ))
706 static void fake_current_js_state(JoystickImpl *ji)
707 {
708     int i;
709
710     /* center the axes */
711     ji->js.lX           = CENTER_AXIS(ABS_X);
712     ji->js.lY           = CENTER_AXIS(ABS_Y);
713     ji->js.lZ           = CENTER_AXIS(ABS_Z);
714     ji->js.lRx          = CENTER_AXIS(ABS_RX);
715     ji->js.lRy          = CENTER_AXIS(ABS_RY);
716     ji->js.lRz          = CENTER_AXIS(ABS_RZ);
717     ji->js.rglSlider[0] = CENTER_AXIS(ABS_THROTTLE);
718     ji->js.rglSlider[1] = CENTER_AXIS(ABS_RUDDER);
719
720     /* POV center is -1 */
721     for (i = 0; i < 4; i++)
722         ji->js.rgdwPOV[i] = -1;
723 }
724 #undef CENTER_AXIS
725
726 /* convert wine format offset to user format object index */
727 static void joy_polldev(JoystickImpl *This)
728 {
729     struct pollfd plfd;
730     struct input_event ie;
731
732     if (This->joyfd==-1)
733         return;
734
735     while (1)
736     {
737         LONG value = 0;
738         int inst_id = -1;
739
740         plfd.fd = This->joyfd;
741         plfd.events = POLLIN;
742
743         if (poll(&plfd,1,0) != 1)
744             return;
745
746         /* we have one event, so we can read */
747         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
748             return;
749
750         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
751         switch (ie.type) {
752         case EV_KEY:    /* button */
753         {
754             int btn = This->buttons[ie.code];
755
756             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
757             if (btn & 0x80)
758             {
759                 btn &= 0x7F;
760                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
761                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
762             }
763             break;
764         }
765         case EV_ABS:
766         {
767             int axis = This->axes[ie.code];
768             if (axis==-1) {
769                 break;
770             }
771             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
772             value = joystick_map_axis(&This->props[id_to_object(This->base.data_format.wine_df, inst_id)], ie.value);
773
774             switch (ie.code) {
775             case ABS_X:         This->js.lX  = value; break;
776             case ABS_Y:         This->js.lY  = value; break;
777             case ABS_Z:         This->js.lZ  = value; break;
778             case ABS_RX:        This->js.lRx = value; break;
779             case ABS_RY:        This->js.lRy = value; break;
780             case ABS_RZ:        This->js.lRz = value; break;
781             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
782             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
783             case ABS_HAT0X: case ABS_HAT0Y: case ABS_HAT1X: case ABS_HAT1Y:
784             case ABS_HAT2X: case ABS_HAT2Y: case ABS_HAT3X: case ABS_HAT3Y:
785             {
786                 int idx = (ie.code - ABS_HAT0X) / 2;
787
788                 if (ie.code % 2)
789                     This->povs[idx].y = ie.value;
790                 else
791                     This->povs[idx].x = ie.value;
792
793                 This->js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
794                 break;
795             }
796             default:
797                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
798             }
799             break;
800         }
801 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
802         case EV_FF_STATUS:
803             This->ff_state = ie.value;
804             break;
805 #endif
806 #ifdef EV_SYN
807         case EV_SYN:
808             /* there is nothing to do */
809             break;
810 #endif
811         default:
812             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
813             break;
814         }
815         if (inst_id >= 0)
816             queue_event((LPDIRECTINPUTDEVICE8A)This,
817                         id_to_offset(&This->base.data_format, inst_id),
818                         value, ie.time.tv_usec, This->base.dinput->evsequence++);
819     }
820 }
821
822 /******************************************************************************
823   *     GetDeviceState : returns the "state" of the joystick.
824   *
825   */
826 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
827         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
828 ) {
829     JoystickImpl *This = (JoystickImpl *)iface;
830
831     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
832
833     if (!This->base.acquired)
834     {
835         WARN("not acquired\n");
836         return DIERR_NOTACQUIRED;
837     }
838
839     joy_polldev(This);
840
841     /* convert and copy data to user supplied buffer */
842     fill_DataFormat(ptr, len, &This->js, &This->base.data_format);
843
844     return DI_OK;
845 }
846
847 /******************************************************************************
848   *     SetProperty : change input device properties
849   */
850 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
851                                             REFGUID rguid,
852                                             LPCDIPROPHEADER ph)
853 {
854   JoystickImpl *This = (JoystickImpl *)iface;
855
856   if (!ph) {
857     WARN("invalid argument\n");
858     return DIERR_INVALIDPARAM;
859   }
860
861   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
862   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
863         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
864
865   if (!HIWORD(rguid)) {
866     switch (LOWORD(rguid)) {
867     case (DWORD_PTR)DIPROP_RANGE: {
868       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
869
870       if (ph->dwHow == DIPH_DEVICE) {
871         DWORD i;
872         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
873         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
874           /* Scale dead-zone */
875           This->props[i].lDeadZone = MulDiv(This->props[i].lDeadZone, pr->lMax - pr->lMin,
876                                             This->props[i].lMax - This->props[i].lMin);
877           This->props[i].lMin = pr->lMin;
878           This->props[i].lMax = pr->lMax;
879         }
880       } else {
881         int obj = find_property(&This->base.data_format, ph);
882
883         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
884         if (obj >= 0) {
885           /* Scale dead-zone */
886           This->props[obj].lDeadZone = MulDiv(This->props[obj].lDeadZone, pr->lMax - pr->lMin,
887                                               This->props[obj].lMax - This->props[obj].lMin);
888           This->props[obj].lMin = pr->lMin;
889           This->props[obj].lMax = pr->lMax;
890         }
891       }
892       fake_current_js_state(This);
893       break;
894     }
895     case (DWORD_PTR)DIPROP_DEADZONE: {
896       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
897       if (ph->dwHow == DIPH_DEVICE) {
898         DWORD i;
899         TRACE("deadzone(%d) all\n", pd->dwData);
900         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
901           This->props[i].lDeadZone = pd->dwData;
902         }
903       } else {
904         int obj = find_property(&This->base.data_format, ph);
905
906         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
907         if (obj >= 0) {
908           This->props[obj].lDeadZone = pd->dwData;
909         }
910       }
911       fake_current_js_state(This);
912       break;
913     }
914     case (DWORD_PTR)DIPROP_CALIBRATIONMODE: {
915       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
916       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
917       break;
918     }
919     case (DWORD_PTR)DIPROP_AUTOCENTER: {
920       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
921
922       FIXME("DIPROP_AUTOCENTER(%d)\n", pd->dwData);
923       break;
924     }
925     case (DWORD_PTR)DIPROP_SATURATION: {
926       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
927
928       if (ph->dwHow == DIPH_DEVICE) {
929         DWORD i;
930
931         TRACE("saturation(%d) all\n", pd->dwData);
932         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++)
933           This->props[i].lSaturation = pd->dwData;
934       } else {
935           int obj = find_property(&This->base.data_format, ph);
936
937           if (obj < 0) return DIERR_OBJECTNOTFOUND;
938
939           TRACE("saturation(%d) obj=%d\n", pd->dwData, obj);
940           This->props[obj].lSaturation = pd->dwData;
941       }
942       fake_current_js_state(This);
943       break;
944     }
945     default:
946       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
947     }
948   }
949   return DI_OK;
950 }
951
952 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
953         LPDIRECTINPUTDEVICE8A iface,
954         LPDIDEVCAPS lpDIDevCaps)
955 {
956     JoystickImpl *This = (JoystickImpl *)iface;
957
958     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
959
960     if (!lpDIDevCaps) {
961         WARN("invalid pointer\n");
962         return E_POINTER;
963     }
964
965     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
966         WARN("invalid argument\n");
967         return DIERR_INVALIDPARAM;
968     }
969
970     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
971     if (This->base.dinput->dwVersion >= 0x0800)
972         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
973     else
974         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
975
976     if (This->joydev->has_ff) 
977          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
978
979     lpDIDevCaps->dwAxes = This->numAxes;
980     lpDIDevCaps->dwButtons = This->numButtons;
981     lpDIDevCaps->dwPOVs = This->numPOVs;
982
983     return DI_OK;
984 }
985
986 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface)
987 {
988     JoystickImpl *This = (JoystickImpl *)iface;
989
990     TRACE("(%p)\n",This);
991
992     if (!This->base.acquired)
993         return DIERR_NOTACQUIRED;
994
995     joy_polldev(This);
996     return DI_OK;
997 }
998
999 /******************************************************************************
1000   *     GetProperty : get input device properties
1001   */
1002 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
1003                                                 REFGUID rguid,
1004                                                 LPDIPROPHEADER pdiph)
1005 {
1006     JoystickImpl *This = (JoystickImpl *)iface;
1007
1008     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
1009     _dump_DIPROPHEADER(pdiph);
1010
1011     if (HIWORD(rguid)) return DI_OK;
1012
1013     switch (LOWORD(rguid)) {
1014     case (DWORD_PTR) DIPROP_RANGE:
1015     {
1016         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
1017         int obj = find_property(&This->base.data_format, pdiph);
1018
1019         if (obj < 0) return DIERR_OBJECTNOTFOUND;
1020
1021         pr->lMin = This->props[obj].lMin;
1022         pr->lMax = This->props[obj].lMax;
1023         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
1024         break;
1025     }
1026     case (DWORD_PTR) DIPROP_DEADZONE:
1027     {
1028         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
1029         int obj = find_property(&This->base.data_format, pdiph);
1030
1031         if (obj < 0) return DIERR_OBJECTNOTFOUND;
1032
1033         pd->dwData = This->props[obj].lDeadZone;
1034         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
1035         break;
1036     }
1037     case (DWORD_PTR) DIPROP_SATURATION:
1038     {
1039         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
1040         int obj = find_property(&This->base.data_format, pdiph);
1041
1042         if (obj < 0) return DIERR_OBJECTNOTFOUND;
1043
1044         pd->dwData = This->props[obj].lSaturation;
1045         TRACE("saturation(%d) obj=%d\n", pd->dwData, obj);
1046         break;
1047     }
1048
1049     default:
1050         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
1051     }
1052
1053     return DI_OK;
1054 }
1055
1056 /******************************************************************************
1057   *     GetObjectInfo : get information about a device object such as a button
1058   *                     or axis
1059   */
1060 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
1061         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
1062 {
1063     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
1064     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
1065     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
1066     HRESULT res;
1067
1068     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
1069     if (res != DI_OK) return res;
1070
1071     if      (pdidoi->dwType & DIDFT_AXIS)
1072         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
1073     else if (pdidoi->dwType & DIDFT_POV)
1074         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
1075     else if (pdidoi->dwType & DIDFT_BUTTON)
1076         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
1077
1078     _dump_OBJECTINSTANCEW(pdidoi);
1079     return res;
1080 }
1081
1082 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
1083         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
1084 {
1085     HRESULT res;
1086     DIDEVICEOBJECTINSTANCEW didoiW;
1087     DWORD dwSize = pdidoi->dwSize;
1088
1089     didoiW.dwSize = sizeof(didoiW);
1090     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
1091     if (res != DI_OK) return res;
1092
1093     memset(pdidoi, 0, pdidoi->dwSize);
1094     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
1095     pdidoi->dwSize = dwSize;
1096     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
1097                         sizeof(pdidoi->tszName), NULL, NULL);
1098
1099     return res;
1100 }
1101
1102 /****************************************************************************** 
1103   *     CreateEffect - Create a new FF effect with the specified params
1104   */
1105 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1106                                                  REFGUID rguid,
1107                                                  LPCDIEFFECT lpeff,
1108                                                  LPDIRECTINPUTEFFECT *ppdef,
1109                                                  LPUNKNOWN pUnkOuter)
1110 {
1111 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1112     effect_list_item* new_effect = NULL;
1113     HRESULT retval = DI_OK;
1114 #endif
1115
1116     JoystickImpl* This = (JoystickImpl*)iface;
1117     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1118
1119 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1120     TRACE("not available (compiled w/o ff support)\n");
1121     *ppdef = NULL;
1122     return DI_OK;
1123 #else
1124
1125     if (!(new_effect = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_effect))))
1126         return DIERR_OUTOFMEMORY;
1127
1128     retval = linuxinput_create_effect(&This->joyfd, rguid, &new_effect->entry, &new_effect->ref);
1129     if (retval != DI_OK)
1130     {
1131         HeapFree(GetProcessHeap(), 0, new_effect);
1132         return retval;
1133     }
1134
1135     if (lpeff != NULL)
1136     {
1137         retval = IDirectInputEffect_SetParameters(new_effect->ref, lpeff, 0);
1138
1139         if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1140         {
1141             HeapFree(GetProcessHeap(), 0, new_effect);
1142             return retval;
1143         }
1144     }
1145
1146     list_add_tail(&This->ff_effects, &new_effect->entry);
1147     *ppdef = new_effect->ref;
1148
1149     if (pUnkOuter != NULL)
1150         FIXME("Interface aggregation not implemented.\n");
1151
1152     return DI_OK;
1153
1154 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1155
1156
1157 /*******************************************************************************
1158  *      EnumEffects - Enumerate available FF effects
1159  */
1160 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1161                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1162                                                 LPVOID pvRef,
1163                                                 DWORD dwEffType)
1164 {
1165 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1166     DIEFFECTINFOA dei; /* feif */
1167     DWORD type = DIEFT_GETTYPE(dwEffType);
1168     JoystickImpl* This = (JoystickImpl*)iface;
1169
1170     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1171
1172     dei.dwSize = sizeof(DIEFFECTINFOA);          
1173
1174     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1175         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1176         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1177         (*lpCallback)(&dei, pvRef);
1178     }
1179
1180     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1181         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1182         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1183             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1184             (*lpCallback)(&dei, pvRef);
1185         }
1186         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1187             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1188             (*lpCallback)(&dei, pvRef);
1189         }
1190         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1191             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1192             (*lpCallback)(&dei, pvRef);
1193         }
1194         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1195             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1196             (*lpCallback)(&dei, pvRef);
1197         }
1198         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1199             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1200             (*lpCallback)(&dei, pvRef);
1201         }
1202     } 
1203
1204     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1205         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1206         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1207         (*lpCallback)(&dei, pvRef);
1208     }
1209
1210     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1211         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1212             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1213             (*lpCallback)(&dei, pvRef);
1214         }
1215         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1216             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1217             (*lpCallback)(&dei, pvRef);
1218         }
1219         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1220             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1221             (*lpCallback)(&dei, pvRef);
1222         }
1223         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1224             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1225             (*lpCallback)(&dei, pvRef);
1226         }
1227     }
1228
1229 #endif
1230
1231     return DI_OK;
1232 }
1233
1234 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1235                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1236                                                 LPVOID pvRef,
1237                                                 DWORD dwEffType)
1238 {
1239 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1240     /* seems silly to duplicate all this code but all the structures and functions
1241      * are actually different (A/W) */
1242     DIEFFECTINFOW dei; /* feif */
1243     DWORD type = DIEFT_GETTYPE(dwEffType);
1244     JoystickImpl* This = (JoystickImpl*)iface;
1245     int xfd = This->joyfd;
1246
1247     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1248
1249     dei.dwSize = sizeof(DIEFFECTINFOW);          
1250
1251     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1252         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1253         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1254         (*lpCallback)(&dei, pvRef);
1255     }
1256
1257     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1258         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1259         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1260             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1261             (*lpCallback)(&dei, pvRef);
1262         }
1263         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1264             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1265             (*lpCallback)(&dei, pvRef);
1266         }
1267         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1268             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1269             (*lpCallback)(&dei, pvRef);
1270         }
1271         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1272             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1273             (*lpCallback)(&dei, pvRef);
1274         }
1275         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1276             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1277             (*lpCallback)(&dei, pvRef);
1278         }
1279     } 
1280
1281     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1282         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1283         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1284         (*lpCallback)(&dei, pvRef);
1285     }
1286
1287     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1288         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1289             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1290             (*lpCallback)(&dei, pvRef);
1291         }
1292         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1293             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1294             (*lpCallback)(&dei, pvRef);
1295         }
1296         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1297             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1298             (*lpCallback)(&dei, pvRef);
1299         }
1300         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1301             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1302             (*lpCallback)(&dei, pvRef);
1303         }
1304     }
1305
1306     /* return to unacquired state if that's where it was */
1307     if (xfd == -1)
1308         IDirectInputDevice8_Unacquire(iface);
1309 #endif
1310
1311     return DI_OK;
1312 }
1313
1314 /*******************************************************************************
1315  *      GetEffectInfo - Get information about a particular effect 
1316  */
1317 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1318                                                   LPDIEFFECTINFOA pdei,
1319                                                   REFGUID guid)
1320 {
1321     JoystickImpl* This = (JoystickImpl*)iface;
1322
1323     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1324
1325 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1326     return linuxinput_get_info_A(This->joyfd, guid, pdei); 
1327 #else
1328     return DI_OK;
1329 #endif
1330 }
1331
1332 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1333                                                   LPDIEFFECTINFOW pdei,
1334                                                   REFGUID guid)
1335 {
1336     JoystickImpl* This = (JoystickImpl*)iface;
1337             
1338     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1339         
1340 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1341     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1342 #else
1343     return DI_OK;
1344 #endif
1345 }
1346
1347 /*******************************************************************************
1348  *      GetForceFeedbackState - Get information about the device's FF state 
1349  */
1350 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1351         LPDIRECTINPUTDEVICE8A iface,
1352         LPDWORD pdwOut)
1353 {
1354     JoystickImpl* This = (JoystickImpl*)iface;
1355
1356     TRACE("(this=%p,%p)\n", This, pdwOut);
1357
1358     (*pdwOut) = 0;
1359
1360 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1361     /* DIGFFS_STOPPED is the only mandatory flag to report */
1362     if (This->ff_state == FF_STATUS_STOPPED)
1363         (*pdwOut) |= DIGFFS_STOPPED;
1364 #endif
1365
1366     return DI_OK;
1367 }
1368
1369 /*******************************************************************************
1370  *      SendForceFeedbackCommand - Send a command to the device's FF system
1371  */
1372 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1373         LPDIRECTINPUTDEVICE8A iface,
1374         DWORD dwFlags)
1375 {
1376     JoystickImpl* This = (JoystickImpl*)iface;
1377     TRACE("(this=%p,%d)\n", This, dwFlags);
1378
1379 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1380     switch (dwFlags)
1381     {
1382     case DISFFC_STOPALL:
1383     {
1384         /* Stop all effects */
1385         effect_list_item *itr;
1386
1387         LIST_FOR_EACH_ENTRY(itr, &This->ff_effects, effect_list_item, entry)
1388             IDirectInputEffect_Stop(itr->ref);
1389         break;
1390     }
1391
1392     case DISFFC_RESET:
1393     {
1394         effect_list_item *itr, *ptr;
1395
1396         /* Stop, unload, release and free all effects */
1397         /* This returns the device to its "bare" state */
1398         LIST_FOR_EACH_ENTRY_SAFE(itr, ptr, &This->ff_effects, effect_list_item, entry)
1399             IDirectInputEffect_Release(itr->ref);
1400         break;
1401     }
1402     case DISFFC_PAUSE:
1403     case DISFFC_CONTINUE:
1404         FIXME("No support for Pause or Continue in linux\n");
1405         break;
1406
1407     case DISFFC_SETACTUATORSOFF:
1408     case DISFFC_SETACTUATORSON:
1409         FIXME("No direct actuator control in linux\n");
1410         break;
1411
1412     default:
1413         FIXME("Unknown Force Feedback Command!\n");
1414         return DIERR_INVALIDPARAM;
1415     }
1416     return DI_OK;
1417 #else
1418     return DIERR_UNSUPPORTED;
1419 #endif
1420 }
1421
1422 /*******************************************************************************
1423  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1424  *              created for this device.
1425  */
1426 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1427         LPDIRECTINPUTDEVICE8A iface,
1428         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1429         LPVOID pvRef,
1430         DWORD dwFlags)
1431 {
1432     /* this function is safe to call on non-ff-enabled builds */
1433     JoystickImpl* This = (JoystickImpl*)iface;
1434     effect_list_item *itr, *ptr;
1435
1436     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1437
1438     if (!lpCallback)
1439         return DIERR_INVALIDPARAM;
1440
1441     if (dwFlags != 0)
1442         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1443
1444     LIST_FOR_EACH_ENTRY_SAFE(itr, ptr, &This->ff_effects, effect_list_item, entry)
1445         (*lpCallback)(itr->ref, pvRef);
1446
1447     return DI_OK;
1448 }
1449
1450 /******************************************************************************
1451   *     GetDeviceInfo : get information about a device's identity
1452   */
1453 static HRESULT WINAPI JoystickAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface,
1454                                                   LPDIDEVICEINSTANCEA pdidi)
1455 {
1456     JoystickImpl *This = (JoystickImpl *)iface;
1457
1458     TRACE("(%p) %p\n", This, pdidi);
1459
1460     if (pdidi == NULL) return E_POINTER;
1461     if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
1462         (pdidi->dwSize != sizeof(DIDEVICEINSTANCEA)))
1463         return DIERR_INVALIDPARAM;
1464
1465     fill_joystick_dideviceinstanceA(pdidi, This->base.dinput->dwVersion,
1466                                     get_joystick_index(&This->base.guid));
1467     return DI_OK;
1468 }
1469
1470 static HRESULT WINAPI JoystickWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface,
1471                                                   LPDIDEVICEINSTANCEW pdidi)
1472 {
1473     JoystickImpl *This = (JoystickImpl *)iface;
1474
1475     TRACE("(%p) %p\n", This, pdidi);
1476
1477     if (pdidi == NULL) return E_POINTER;
1478     if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
1479         (pdidi->dwSize != sizeof(DIDEVICEINSTANCEW)))
1480         return DIERR_INVALIDPARAM;
1481
1482     fill_joystick_dideviceinstanceW(pdidi, This->base.dinput->dwVersion,
1483                                     get_joystick_index(&This->base.guid));
1484     return DI_OK;
1485 }
1486
1487 static const IDirectInputDevice8AVtbl JoystickAvt =
1488 {
1489         IDirectInputDevice2AImpl_QueryInterface,
1490         IDirectInputDevice2AImpl_AddRef,
1491         IDirectInputDevice2AImpl_Release,
1492         JoystickAImpl_GetCapabilities,
1493         IDirectInputDevice2AImpl_EnumObjects,
1494         JoystickAImpl_GetProperty,
1495         JoystickAImpl_SetProperty,
1496         JoystickAImpl_Acquire,
1497         JoystickAImpl_Unacquire,
1498         JoystickAImpl_GetDeviceState,
1499         IDirectInputDevice2AImpl_GetDeviceData,
1500         IDirectInputDevice2AImpl_SetDataFormat,
1501         IDirectInputDevice2AImpl_SetEventNotification,
1502         IDirectInputDevice2AImpl_SetCooperativeLevel,
1503         JoystickAImpl_GetObjectInfo,
1504         JoystickAImpl_GetDeviceInfo,
1505         IDirectInputDevice2AImpl_RunControlPanel,
1506         IDirectInputDevice2AImpl_Initialize,
1507         JoystickAImpl_CreateEffect,
1508         JoystickAImpl_EnumEffects,
1509         JoystickAImpl_GetEffectInfo,
1510         JoystickAImpl_GetForceFeedbackState,
1511         JoystickAImpl_SendForceFeedbackCommand,
1512         JoystickAImpl_EnumCreatedEffectObjects,
1513         IDirectInputDevice2AImpl_Escape,
1514         JoystickAImpl_Poll,
1515         IDirectInputDevice2AImpl_SendDeviceData,
1516         IDirectInputDevice7AImpl_EnumEffectsInFile,
1517         IDirectInputDevice7AImpl_WriteEffectToFile,
1518         IDirectInputDevice8AImpl_BuildActionMap,
1519         IDirectInputDevice8AImpl_SetActionMap,
1520         IDirectInputDevice8AImpl_GetImageInfo
1521 };
1522
1523 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1524 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1525 #else
1526 # define XCAST(fun)     (void*)
1527 #endif
1528
1529 static const IDirectInputDevice8WVtbl JoystickWvt =
1530 {
1531         IDirectInputDevice2WImpl_QueryInterface,
1532         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1533         XCAST(Release)IDirectInputDevice2AImpl_Release,
1534         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1535         IDirectInputDevice2WImpl_EnumObjects,
1536         XCAST(GetProperty)JoystickAImpl_GetProperty,
1537         XCAST(SetProperty)JoystickAImpl_SetProperty,
1538         XCAST(Acquire)JoystickAImpl_Acquire,
1539         XCAST(Unacquire)JoystickAImpl_Unacquire,
1540         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1541         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1542         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1543         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1544         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1545         JoystickWImpl_GetObjectInfo,
1546         JoystickWImpl_GetDeviceInfo,
1547         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1548         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1549         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1550         JoystickWImpl_EnumEffects,
1551         JoystickWImpl_GetEffectInfo,
1552         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1553         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1554         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1555         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1556         XCAST(Poll)JoystickAImpl_Poll,
1557         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1558         IDirectInputDevice7WImpl_EnumEffectsInFile,
1559         IDirectInputDevice7WImpl_WriteEffectToFile,
1560         IDirectInputDevice8WImpl_BuildActionMap,
1561         IDirectInputDevice8WImpl_SetActionMap,
1562         IDirectInputDevice8WImpl_GetImageInfo
1563 };
1564 #undef XCAST
1565
1566 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1567
1568 const struct dinput_device joystick_linuxinput_device = {
1569   "Wine Linux-input joystick driver",
1570   NULL,
1571   NULL,
1572   NULL,
1573   NULL
1574 };
1575
1576 #endif  /* HAVE_CORRECT_LINUXINPUT_H */