Do not check for non NULL pointer before HeapFree'ing it. It's
[wine] / dlls / dinput / keyboard.c
1 /*              DirectInput Keyboard device
2  *
3  * Copyright 1998 Marcus Meissner
4  * Copyright 1998,1999 Lionel Ulmer
5  * Copyright 2000-2001 TransGaming Technologies Inc.
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
20  */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <string.h>
27 #include "windef.h"
28 #include "winbase.h"
29 #include "winuser.h"
30 #include "winerror.h"
31 #include "dinput.h"
32
33 #include "dinput_private.h"
34 #include "device_private.h"
35 #include "wine/debug.h"
36 #include "wine/unicode.h"
37
38 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
39
40 static IDirectInputDevice8AVtbl SysKeyboardAvt;
41 static IDirectInputDevice8WVtbl SysKeyboardWvt;
42
43 typedef struct SysKeyboardImpl SysKeyboardImpl;
44 struct SysKeyboardImpl
45 {
46         LPVOID                          lpVtbl;
47         DWORD                           ref;
48         GUID                            guid;
49
50         IDirectInputImpl*               dinput;
51
52         HANDLE  hEvent;
53         /* SysKeyboardAImpl */
54         int                             acquired;
55         int                             buffersize;  /* set in 'SetProperty'         */
56         LPDIDEVICEOBJECTDATA            buffer;      /* buffer for 'GetDeviceData'.
57                                                         Alloc at 'Acquire', Free at
58                                                         'Unacquire'                  */
59         int                             count;       /* number of objects in use in
60                                                         'buffer'                     */
61         int                             start;       /* 'buffer' rotates. This is the
62                                                         first in use (if count > 0)  */
63         BOOL                            overflow;    /* return DI_BUFFEROVERFLOW in
64                                                         'GetDeviceData'              */
65         CRITICAL_SECTION                crit;
66 };
67
68 SysKeyboardImpl *current; /* Today's acquired device
69 FIXME: currently this can be only one.
70 Maybe this should be a linked list or st.
71 I don't know what the rules are for multiple acquired keyboards,
72 but 'DI_LOSTFOCUS' and 'DI_UNACQUIRED' exist for a reason.
73 */
74
75 static BYTE DInputKeyState[256]; /* array for 'GetDeviceState' */
76
77 static CRITICAL_SECTION keyboard_crit;
78 static CRITICAL_SECTION_DEBUG critsect_debug =
79 {
80     0, 0, &keyboard_crit,
81     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
82       0, 0, { 0, (DWORD)(__FILE__ ": keyboard_crit") }
83 };
84 static CRITICAL_SECTION keyboard_crit = { &critsect_debug, -1, 0, 0, 0, 0 };
85
86 static DWORD keyboard_users;
87 static HHOOK keyboard_hook;
88
89 LRESULT CALLBACK KeyboardCallback( int code, WPARAM wparam, LPARAM lparam )
90 {
91   TRACE("(%d,%d,%ld)\n", code, wparam, lparam);
92
93   if (code == HC_ACTION)
94     {
95       BYTE dik_code;
96       BOOL down;
97       DWORD timestamp;
98       
99       {
100         KBDLLHOOKSTRUCT *hook = (KBDLLHOOKSTRUCT *)lparam;
101         dik_code = hook->scanCode;
102         if (hook->flags & LLKHF_EXTENDED) dik_code |= 0x80;
103         down = !(hook->flags & LLKHF_UP);
104         timestamp = hook->time;
105       }
106
107       DInputKeyState[dik_code] = (down ? 0x80 : 0);
108       TRACE(" setting %02X to %02X\n", dik_code, DInputKeyState[dik_code]);
109       
110       if (current != NULL)
111         {
112           if (current->hEvent)
113             SetEvent(current->hEvent);
114
115           if (current->buffer != NULL)
116             {
117               int n;
118
119               EnterCriticalSection(&(current->crit));
120
121               n = (current->start + current->count) % current->buffersize;
122
123               current->buffer[n].dwOfs = dik_code;
124               current->buffer[n].dwData = down ? 0x80 : 0;
125               current->buffer[n].dwTimeStamp = timestamp;
126               current->buffer[n].dwSequence = current->dinput->evsequence++;
127
128               TRACE("Adding event at offset %d : %ld - %ld - %ld - %ld\n", n,
129                     current->buffer[n].dwOfs, current->buffer[n].dwData, current->buffer[n].dwTimeStamp, current->buffer[n].dwSequence);
130
131               if (current->count == current->buffersize)
132                 {
133                   current->start = ++current->start % current->buffersize;
134                   current->overflow = TRUE;
135                 }
136               else
137                 current->count++;
138
139               LeaveCriticalSection(&(current->crit));
140             }
141         }
142     }
143
144   return CallNextHookEx(keyboard_hook, code, wparam, lparam);
145 }
146
147 static GUID DInput_Wine_Keyboard_GUID = { /* 0ab8648a-7735-11d2-8c73-71df54a96441 */
148   0x0ab8648a,
149   0x7735,
150   0x11d2,
151   {0x8c, 0x73, 0x71, 0xdf, 0x54, 0xa9, 0x64, 0x41}
152 };
153
154 static void fill_keyboard_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, int version) {
155     DWORD dwSize;
156     DIDEVICEINSTANCEA ddi;
157     
158     dwSize = lpddi->dwSize;
159
160     TRACE("%ld %p\n", dwSize, lpddi);
161     
162     memset(lpddi, 0, dwSize);
163     memset(&ddi, 0, sizeof(ddi));
164
165     ddi.dwSize = dwSize;
166     ddi.guidInstance = GUID_SysKeyboard;/* DInput's GUID */
167     ddi.guidProduct = DInput_Wine_Keyboard_GUID; /* Vendor's GUID */
168     if (version >= 8)
169         ddi.dwDevType = DI8DEVTYPE_KEYBOARD | (DI8DEVTYPEKEYBOARD_UNKNOWN << 8);
170     else
171         ddi.dwDevType = DIDEVTYPE_KEYBOARD | (DIDEVTYPEKEYBOARD_UNKNOWN << 8);
172     strcpy(ddi.tszInstanceName, "Keyboard");
173     strcpy(ddi.tszProductName, "Wine Keyboard");
174
175     memcpy(lpddi, &ddi, (dwSize < sizeof(ddi) ? dwSize : sizeof(ddi)));
176 }
177
178 static void fill_keyboard_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, int version) {
179     DWORD dwSize;
180     DIDEVICEINSTANCEW ddi;
181     
182     dwSize = lpddi->dwSize;
183
184     TRACE("%ld %p\n", dwSize, lpddi);
185     
186     memset(lpddi, 0, dwSize);
187     memset(&ddi, 0, sizeof(ddi));
188  
189     ddi.dwSize = dwSize;
190     ddi.guidInstance = GUID_SysKeyboard;/* DInput's GUID */
191     ddi.guidProduct = DInput_Wine_Keyboard_GUID; /* Vendor's GUID */
192     if (version >= 8)
193         ddi.dwDevType = DI8DEVTYPE_KEYBOARD | (DI8DEVTYPEKEYBOARD_UNKNOWN << 8);
194     else
195         ddi.dwDevType = DIDEVTYPE_KEYBOARD | (DIDEVTYPEKEYBOARD_UNKNOWN << 8);
196     MultiByteToWideChar(CP_ACP, 0, "Keyboard", -1, ddi.tszInstanceName, MAX_PATH);
197     MultiByteToWideChar(CP_ACP, 0, "Wine Keyboard", -1, ddi.tszProductName, MAX_PATH);
198
199     memcpy(lpddi, &ddi, (dwSize < sizeof(ddi) ? dwSize : sizeof(ddi)));
200 }
201  
202 static BOOL keyboarddev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, int version, int id)
203 {
204   if (id != 0)
205     return FALSE;
206
207   if ((dwDevType == 0) ||
208       ((dwDevType == DIDEVTYPE_KEYBOARD) && (version < 8)) ||
209       (((dwDevType == DI8DEVCLASS_KEYBOARD) || (dwDevType == DI8DEVTYPE_KEYBOARD)) && (version >= 8))) {
210     TRACE("Enumerating the Keyboard device\n");
211  
212     fill_keyboard_dideviceinstanceA(lpddi, version);
213     
214     return TRUE;
215   }
216
217   return FALSE;
218 }
219
220 static BOOL keyboarddev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, int version, int id)
221 {
222   if (id != 0)
223     return FALSE;
224
225   if ((dwDevType == 0) ||
226       ((dwDevType == DIDEVTYPE_KEYBOARD) && (version < 8)) ||
227       (((dwDevType == DI8DEVCLASS_KEYBOARD) || (dwDevType == DI8DEVTYPE_KEYBOARD)) && (version >= 8))) {
228     TRACE("Enumerating the Keyboard device\n");
229
230     fill_keyboard_dideviceinstanceW(lpddi, version);
231     
232     return TRUE;
233   }
234
235   return FALSE;
236 }
237
238 static SysKeyboardImpl *alloc_device(REFGUID rguid, LPVOID kvt, IDirectInputImpl *dinput)
239 {
240     SysKeyboardImpl* newDevice;
241     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(SysKeyboardImpl));
242     newDevice->lpVtbl = kvt;
243     newDevice->ref = 1;
244     memcpy(&(newDevice->guid),rguid,sizeof(*rguid));
245     newDevice->dinput = dinput;
246
247     EnterCriticalSection(&keyboard_crit);
248     if (!keyboard_users++)
249         keyboard_hook = SetWindowsHookExW( WH_KEYBOARD_LL, KeyboardCallback, DINPUT_instance, 0 );
250     LeaveCriticalSection(&keyboard_crit);
251
252     return newDevice;
253 }
254
255
256 static HRESULT keyboarddev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
257 {
258   if ((IsEqualGUID(&GUID_SysKeyboard,rguid)) ||          /* Generic Keyboard */
259       (IsEqualGUID(&DInput_Wine_Keyboard_GUID,rguid))) { /* Wine Keyboard */
260     if ((riid == NULL) ||
261         IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
262         IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
263         IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
264         IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
265       *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &SysKeyboardAvt, dinput);
266       TRACE("Creating a Keyboard device (%p)\n", *pdev);
267       return DI_OK;
268     } else
269       return DIERR_NOINTERFACE;
270   }
271   return DIERR_DEVICENOTREG;
272 }
273
274 static HRESULT keyboarddev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
275 {
276   if ((IsEqualGUID(&GUID_SysKeyboard,rguid)) ||          /* Generic Keyboard */
277       (IsEqualGUID(&DInput_Wine_Keyboard_GUID,rguid))) { /* Wine Keyboard */
278     if ((riid == NULL) ||
279         IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
280         IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
281         IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
282         IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
283       *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &SysKeyboardWvt, dinput);
284       TRACE("Creating a Keyboard device (%p)\n", *pdev);
285       return DI_OK;
286     } else
287       return DIERR_NOINTERFACE;
288   }
289   return DIERR_DEVICENOTREG;
290 }
291
292 static dinput_device keyboarddev = {
293   100,
294   "Wine keyboard driver",
295   keyboarddev_enum_deviceA,
296   keyboarddev_enum_deviceW,
297   keyboarddev_create_deviceA,
298   keyboarddev_create_deviceW
299 };
300
301 DECL_GLOBAL_CONSTRUCTOR(keyboarddev_register) { dinput_register_device(&keyboarddev); }
302
303 static ULONG WINAPI SysKeyboardAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
304 {
305         SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
306         ULONG ref;
307
308         ref = InterlockedDecrement(&(This->ref));
309         if (ref)
310                 return ref;
311
312         EnterCriticalSection(&keyboard_crit);
313         if (!--keyboard_users) {
314             UnhookWindowsHookEx( keyboard_hook );
315             keyboard_hook = 0;
316         }
317         LeaveCriticalSection(&keyboard_crit);
318
319         /* Free the data queue */
320         HeapFree(GetProcessHeap(),0,This->buffer);
321
322         DeleteCriticalSection(&(This->crit));
323
324         HeapFree(GetProcessHeap(),0,This);
325         return DI_OK;
326 }
327
328 static HRESULT WINAPI SysKeyboardAImpl_SetProperty(
329         LPDIRECTINPUTDEVICE8A iface,REFGUID rguid,LPCDIPROPHEADER ph
330 )
331 {
332         SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
333
334         TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
335         TRACE("(size=%ld,headersize=%ld,obj=%ld,how=%ld\n",
336             ph->dwSize,ph->dwHeaderSize,ph->dwObj,ph->dwHow);
337         if (!HIWORD(rguid)) {
338                 switch ((DWORD)rguid) {
339                 case (DWORD) DIPROP_BUFFERSIZE: {
340                         LPCDIPROPDWORD  pd = (LPCDIPROPDWORD)ph;
341
342                         TRACE("(buffersize=%ld)\n",pd->dwData);
343
344                         if (This->acquired)
345                            return DIERR_INVALIDPARAM;
346
347                         This->buffersize = pd->dwData;
348
349                         break;
350                 }
351                 default:
352                         WARN("Unknown type %ld\n",(DWORD)rguid);
353                         break;
354                 }
355         }
356         return DI_OK;
357 }
358
359 static HRESULT WINAPI SysKeyboardAImpl_GetDeviceState(
360         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
361 )
362 {
363     TRACE("(%p)->(%ld,%p)\n", iface, len, ptr);
364
365     /* Note: device does not need to be acquired */
366     if (len != 256)
367       return DIERR_INVALIDPARAM;
368
369     MsgWaitForMultipleObjectsEx(0, NULL, 0, 0, 0);
370
371     if (TRACE_ON(dinput)) {
372         int i;
373         for (i = 0; i < 256; i++) {
374             if (DInputKeyState[i] != 0x00) {
375                 TRACE(" - %02X: %02x\n", i, DInputKeyState[i]);
376             }
377         }
378     }
379     
380     memcpy(ptr, DInputKeyState, 256);
381     return DI_OK;
382 }
383
384 static HRESULT WINAPI SysKeyboardAImpl_GetDeviceData(
385         LPDIRECTINPUTDEVICE8A iface,DWORD dodsize,LPDIDEVICEOBJECTDATA dod,
386         LPDWORD entries,DWORD flags
387 )
388 {
389         SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
390         int ret = DI_OK, i = 0;
391
392         TRACE("(this=%p,%ld,%p,%p(%ld)),0x%08lx)\n",
393               This,dodsize,dod,entries,entries?*entries:0,flags);
394
395         if (This->acquired == 0)
396           return DIERR_NOTACQUIRED;
397
398         if (This->buffer == NULL)
399           return DIERR_NOTBUFFERED;
400
401         if (dodsize < sizeof(DIDEVICEOBJECTDATA_DX3))
402           return DIERR_INVALIDPARAM;
403
404         MsgWaitForMultipleObjectsEx(0, NULL, 0, 0, 0);
405
406         EnterCriticalSection(&(This->crit));
407
408         /* Copy item at a time for the case dodsize > sizeof(buffer[n]) */
409         while ((i < *entries || *entries == INFINITE) && i < This->count)
410           {
411             if (dod != NULL)
412               {
413                 int n = (This->start + i) % This->buffersize;
414                 LPDIDEVICEOBJECTDATA pd
415                    = (LPDIDEVICEOBJECTDATA)((BYTE *)dod + dodsize * i);
416                 pd->dwOfs       = This->buffer[n].dwOfs;
417                 pd->dwData      = This->buffer[n].dwData;
418                 pd->dwTimeStamp = This->buffer[n].dwTimeStamp;
419                 pd->dwSequence  = This->buffer[n].dwSequence;
420               }
421             i++;
422           }
423
424         *entries = i;
425
426         if (This->overflow)
427           ret = DI_BUFFEROVERFLOW;
428
429         if (!(flags & DIGDD_PEEK))
430           {
431             /* Empty buffer */
432             This->count -= i;
433             This->start = (This->start + i) % This->buffersize;
434             This->overflow = FALSE;
435           }
436
437         LeaveCriticalSection(&(This->crit));
438
439         TRACE("Returning %ld events queued\n", *entries);
440
441         return ret;
442 }
443
444 static HRESULT WINAPI SysKeyboardAImpl_EnumObjects(
445         LPDIRECTINPUTDEVICE8A iface,
446         LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
447         LPVOID lpvRef,
448         DWORD dwFlags)
449 {
450     SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
451     DIDEVICEOBJECTINSTANCEA ddoi;
452     int i;
453     
454     TRACE("(this=%p,%p,%p,%08lx)\n", This, lpCallback, lpvRef, dwFlags);
455     if (TRACE_ON(dinput)) {
456         TRACE("  - flags = ");
457         _dump_EnumObjects_flags(dwFlags);
458         TRACE("\n");
459     }
460
461     /* Only the fields till dwFFMaxForce are relevant */
462     memset(&ddoi, 0, sizeof(ddoi));
463     ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
464
465     for (i = 0; i < 256; i++) {
466         /* Report 255 keys :-) */
467         ddoi.guidType = GUID_Key;
468         ddoi.dwOfs = i;
469         ddoi.dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_BUTTON;
470         GetKeyNameTextA(((i & 0x7f) << 16) | ((i & 0x80) << 17), ddoi.tszName, sizeof(ddoi.tszName));
471         _dump_OBJECTINSTANCEA(&ddoi);
472         if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) return DI_OK;
473     }
474     
475     return DI_OK;
476 }
477
478 static HRESULT WINAPI SysKeyboardWImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
479                                                    LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback,
480                                                    LPVOID lpvRef,
481                                                    DWORD dwFlags)
482 {
483   SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
484
485   device_enumobjects_AtoWcb_data data;
486
487   data.lpCallBack = lpCallback;
488   data.lpvRef = lpvRef;
489
490   return SysKeyboardAImpl_EnumObjects((LPDIRECTINPUTDEVICE8A) This, (LPDIENUMDEVICEOBJECTSCALLBACKA) DIEnumDevicesCallbackAtoW, (LPVOID) &data, dwFlags);
491 }
492
493 static HRESULT WINAPI SysKeyboardAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface);
494
495 static HRESULT WINAPI SysKeyboardAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
496 {
497         SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
498
499         TRACE("(this=%p)\n",This);
500
501         if (This->acquired)
502           return S_FALSE;
503
504         This->acquired = 1;
505
506         if (current != NULL)
507           {
508             FIXME("Not more than one keyboard can be acquired at the same time.\n");
509             SysKeyboardAImpl_Unacquire(iface);
510           }
511
512         current = This;
513
514         if (This->buffersize > 0)
515           {
516             This->buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
517                                      This->buffersize * sizeof(*(This->buffer)));
518             This->start = 0;
519             This->count = 0;
520             This->overflow = FALSE;
521             InitializeCriticalSection(&(This->crit));
522           }
523         else
524           This->buffer = NULL;
525
526         return DI_OK;
527 }
528
529 static HRESULT WINAPI SysKeyboardAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
530 {
531         SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
532         TRACE("(this=%p)\n",This);
533
534         if (This->acquired == 0)
535           return DI_NOEFFECT;
536
537         if (current == This)
538           current = NULL;
539         else
540           ERR("this != current\n");
541
542         This->acquired = 0;
543
544         if (This->buffersize >= 0)
545           {
546             HeapFree(GetProcessHeap(), 0, This->buffer);
547             This->buffer = NULL;
548             DeleteCriticalSection(&(This->crit));
549           }
550
551         return DI_OK;
552 }
553
554 static HRESULT WINAPI SysKeyboardAImpl_SetEventNotification(LPDIRECTINPUTDEVICE8A iface,
555                                                             HANDLE hnd) {
556   SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
557
558   TRACE("(this=%p,0x%08lx)\n",This,(DWORD)hnd);
559
560   This->hEvent = hnd;
561   return DI_OK;
562 }
563
564 /******************************************************************************
565   *     GetCapabilities : get the device capablitites
566   */
567 static HRESULT WINAPI SysKeyboardAImpl_GetCapabilities(
568         LPDIRECTINPUTDEVICE8A iface,
569         LPDIDEVCAPS lpDIDevCaps)
570 {
571     SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
572     DIDEVCAPS devcaps;
573
574     TRACE("(this=%p,%p)\n",This,lpDIDevCaps);
575
576     if ((lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) && (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS_DX3))) {
577         WARN("invalid parameter\n");
578         return DIERR_INVALIDPARAM;
579     }
580     
581     devcaps.dwSize = lpDIDevCaps->dwSize;
582     devcaps.dwFlags = DIDC_ATTACHED;
583     if (This->dinput->version >= 8)
584         devcaps.dwDevType = DI8DEVTYPE_KEYBOARD | (DI8DEVTYPEKEYBOARD_UNKNOWN << 8);
585     else
586         devcaps.dwDevType = DIDEVTYPE_KEYBOARD | (DIDEVTYPEKEYBOARD_UNKNOWN << 8);
587     devcaps.dwAxes = 0;
588     devcaps.dwButtons = 256;
589     devcaps.dwPOVs = 0;
590     devcaps.dwFFSamplePeriod = 0;
591     devcaps.dwFFMinTimeResolution = 0;
592     devcaps.dwFirmwareRevision = 100;
593     devcaps.dwHardwareRevision = 100;
594     devcaps.dwFFDriverVersion = 0;
595
596     memcpy(lpDIDevCaps, &devcaps, lpDIDevCaps->dwSize);
597     
598     return DI_OK;
599 }
600
601 /******************************************************************************
602   *     GetObjectInfo : get information about a device object such as a button
603   *                     or axis
604   */
605 static HRESULT WINAPI
606 SysKeyboardAImpl_GetObjectInfo(
607         LPDIRECTINPUTDEVICE8A iface,
608         LPDIDEVICEOBJECTINSTANCEA pdidoi,
609         DWORD dwObj,
610         DWORD dwHow)
611 {
612     SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
613     DIDEVICEOBJECTINSTANCEA ddoi;
614     DWORD dwSize = pdidoi->dwSize;
615     
616     TRACE("(this=%p,%p,%ld,0x%08lx)\n", This, pdidoi, dwObj, dwHow);
617
618     if (dwHow == DIPH_BYID) {
619         WARN(" querying by id not supported yet...\n");
620         return DI_OK;
621     }
622
623     memset(pdidoi, 0, dwSize);
624     memset(&ddoi, 0, sizeof(ddoi));
625
626     ddoi.dwSize = dwSize;
627     ddoi.guidType = GUID_Key;
628     ddoi.dwOfs = dwObj;
629     ddoi.dwType = DIDFT_MAKEINSTANCE(dwObj) | DIDFT_BUTTON;
630     GetKeyNameTextA(((dwObj & 0x7f) << 16) | ((dwObj & 0x80) << 17), ddoi.tszName, sizeof(ddoi.tszName));
631
632     /* And return our just filled device object instance structure */
633     memcpy(pdidoi, &ddoi, (dwSize < sizeof(ddoi) ? dwSize : sizeof(ddoi)));
634     
635     _dump_OBJECTINSTANCEA(pdidoi);
636
637     return DI_OK;
638 }
639
640 static HRESULT WINAPI SysKeyboardWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
641                                                      LPDIDEVICEOBJECTINSTANCEW pdidoi,
642                                                      DWORD dwObj,
643                                                      DWORD dwHow)
644 {
645     SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
646     DIDEVICEOBJECTINSTANCEW ddoi;
647     DWORD dwSize = pdidoi->dwSize;
648     
649     TRACE("(this=%p,%p,%ld,0x%08lx)\n", This, pdidoi, dwObj, dwHow);
650
651     if (dwHow == DIPH_BYID) {
652         WARN(" querying by id not supported yet...\n");
653         return DI_OK;
654     }
655
656     memset(pdidoi, 0, dwSize);
657     memset(&ddoi, 0, sizeof(ddoi));
658
659     ddoi.dwSize = dwSize;
660     ddoi.guidType = GUID_Key;
661     ddoi.dwOfs = dwObj;
662     ddoi.dwType = DIDFT_MAKEINSTANCE(dwObj) | DIDFT_BUTTON;
663     GetKeyNameTextW(((dwObj & 0x7f) << 16) | ((dwObj & 0x80) << 17), ddoi.tszName, sizeof(ddoi.tszName));
664
665     /* And return our just filled device object instance structure */
666     memcpy(pdidoi, &ddoi, (dwSize < sizeof(ddoi) ? dwSize : sizeof(ddoi)));
667     
668     _dump_OBJECTINSTANCEW(pdidoi);
669
670     return DI_OK;
671 }
672
673 /******************************************************************************
674   *     GetDeviceInfo : get information about a device's identity
675   */
676 static HRESULT WINAPI SysKeyboardAImpl_GetDeviceInfo(
677         LPDIRECTINPUTDEVICE8A iface,
678         LPDIDEVICEINSTANCEA pdidi)
679 {
680     SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
681     TRACE("(this=%p,%p)\n", This, pdidi);
682
683     if (pdidi->dwSize != sizeof(DIDEVICEINSTANCEA)) {
684         WARN(" dinput3 not supporte yet...\n");
685         return DI_OK;
686     }
687
688     fill_keyboard_dideviceinstanceA(pdidi, This->dinput->version);
689     
690     return DI_OK;
691 }
692
693 static HRESULT WINAPI SysKeyboardWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface, LPDIDEVICEINSTANCEW pdidi) 
694 {
695     SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
696     TRACE("(this=%p,%p)\n", This, pdidi);
697
698     if (pdidi->dwSize != sizeof(DIDEVICEINSTANCEW)) {
699         WARN(" dinput3 not supporte yet...\n");
700         return DI_OK;
701     }
702
703     fill_keyboard_dideviceinstanceW(pdidi, This->dinput->version);
704     
705     return DI_OK;
706 }
707
708 static IDirectInputDevice8AVtbl SysKeyboardAvt =
709 {
710         IDirectInputDevice2AImpl_QueryInterface,
711         IDirectInputDevice2AImpl_AddRef,
712         SysKeyboardAImpl_Release,
713         SysKeyboardAImpl_GetCapabilities,
714         SysKeyboardAImpl_EnumObjects,
715         IDirectInputDevice2AImpl_GetProperty,
716         SysKeyboardAImpl_SetProperty,
717         SysKeyboardAImpl_Acquire,
718         SysKeyboardAImpl_Unacquire,
719         SysKeyboardAImpl_GetDeviceState,
720         SysKeyboardAImpl_GetDeviceData,
721         IDirectInputDevice2AImpl_SetDataFormat,
722         SysKeyboardAImpl_SetEventNotification,
723         IDirectInputDevice2AImpl_SetCooperativeLevel,
724         SysKeyboardAImpl_GetObjectInfo,
725         SysKeyboardAImpl_GetDeviceInfo,
726         IDirectInputDevice2AImpl_RunControlPanel,
727         IDirectInputDevice2AImpl_Initialize,
728         IDirectInputDevice2AImpl_CreateEffect,
729         IDirectInputDevice2AImpl_EnumEffects,
730         IDirectInputDevice2AImpl_GetEffectInfo,
731         IDirectInputDevice2AImpl_GetForceFeedbackState,
732         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
733         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
734         IDirectInputDevice2AImpl_Escape,
735         IDirectInputDevice2AImpl_Poll,
736         IDirectInputDevice2AImpl_SendDeviceData,
737         IDirectInputDevice7AImpl_EnumEffectsInFile,
738         IDirectInputDevice7AImpl_WriteEffectToFile,
739         IDirectInputDevice8AImpl_BuildActionMap,
740         IDirectInputDevice8AImpl_SetActionMap,
741         IDirectInputDevice8AImpl_GetImageInfo
742 };
743
744 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
745 # define XCAST(fun)     (typeof(SysKeyboardWvt.fun))
746 #else
747 # define XCAST(fun)     (void*)
748 #endif
749
750 static IDirectInputDevice8WVtbl SysKeyboardWvt =
751 {
752         IDirectInputDevice2WImpl_QueryInterface,
753         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
754         XCAST(Release)SysKeyboardAImpl_Release,
755         XCAST(GetCapabilities)SysKeyboardAImpl_GetCapabilities,
756         SysKeyboardWImpl_EnumObjects,
757         XCAST(GetProperty)IDirectInputDevice2AImpl_GetProperty,
758         XCAST(SetProperty)SysKeyboardAImpl_SetProperty,
759         XCAST(Acquire)SysKeyboardAImpl_Acquire,
760         XCAST(Unacquire)SysKeyboardAImpl_Unacquire,
761         XCAST(GetDeviceState)SysKeyboardAImpl_GetDeviceState,
762         XCAST(GetDeviceData)SysKeyboardAImpl_GetDeviceData,
763         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
764         XCAST(SetEventNotification)SysKeyboardAImpl_SetEventNotification,
765         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
766         SysKeyboardWImpl_GetObjectInfo,
767         SysKeyboardWImpl_GetDeviceInfo,
768         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
769         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
770         XCAST(CreateEffect)IDirectInputDevice2AImpl_CreateEffect,
771         IDirectInputDevice2WImpl_EnumEffects,
772         IDirectInputDevice2WImpl_GetEffectInfo,
773         XCAST(GetForceFeedbackState)IDirectInputDevice2AImpl_GetForceFeedbackState,
774         XCAST(SendForceFeedbackCommand)IDirectInputDevice2AImpl_SendForceFeedbackCommand,
775         XCAST(EnumCreatedEffectObjects)IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
776         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
777         XCAST(Poll)IDirectInputDevice2AImpl_Poll,
778         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
779         IDirectInputDevice7WImpl_EnumEffectsInFile,
780         IDirectInputDevice7WImpl_WriteEffectToFile,
781         IDirectInputDevice8WImpl_BuildActionMap,
782         IDirectInputDevice8WImpl_SetActionMap,
783         IDirectInputDevice8WImpl_GetImageInfo
784 };
785 #undef XCAST