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[wine] / dlls / dinput / device.c
1 /*              DirectInput Device
2  *
3  * Copyright 1998 Marcus Meissner
4  * Copyright 1998,1999 Lionel Ulmer
5  *
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20  */
21
22 /* This file contains all the Device specific functions that can be used as stubs
23    by real device implementations.
24
25    It also contains all the helper functions.
26 */
27 #include "config.h"
28
29 #include <stdarg.h>
30 #include <string.h>
31 #include "wine/debug.h"
32 #include "wine/unicode.h"
33 #include "windef.h"
34 #include "winbase.h"
35 #include "winreg.h"
36 #include "winuser.h"
37 #include "winerror.h"
38 #include "dinput.h"
39 #include "device_private.h"
40 #include "dinput_private.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
43
44 static inline IDirectInputDeviceImpl *impl_from_IDirectInputDevice8A(IDirectInputDevice8A *iface)
45 {
46     return CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8A_iface);
47 }
48 static inline IDirectInputDeviceImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
49 {
50     return CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface);
51 }
52
53 static inline IDirectInputDevice8A *IDirectInputDevice8A_from_impl(IDirectInputDeviceImpl *This)
54 {
55     return &This->IDirectInputDevice8A_iface;
56 }
57 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(IDirectInputDeviceImpl *This)
58 {
59     return &This->IDirectInputDevice8W_iface;
60 }
61
62 /******************************************************************************
63  *      Various debugging tools
64  */
65 static void _dump_cooperativelevel_DI(DWORD dwFlags) {
66     if (TRACE_ON(dinput)) {
67         unsigned int   i;
68         static const struct {
69             DWORD       mask;
70             const char  *name;
71         } flags[] = {
72 #define FE(x) { x, #x}
73             FE(DISCL_BACKGROUND),
74             FE(DISCL_EXCLUSIVE),
75             FE(DISCL_FOREGROUND),
76             FE(DISCL_NONEXCLUSIVE),
77             FE(DISCL_NOWINKEY)
78 #undef FE
79         };
80         TRACE(" cooperative level : ");
81         for (i = 0; i < (sizeof(flags) / sizeof(flags[0])); i++)
82             if (flags[i].mask & dwFlags)
83                 TRACE("%s ",flags[i].name);
84         TRACE("\n");
85     }
86 }
87
88 static void _dump_EnumObjects_flags(DWORD dwFlags) {
89     if (TRACE_ON(dinput)) {
90         unsigned int   i;
91         DWORD type, instance;
92         static const struct {
93             DWORD       mask;
94             const char  *name;
95         } flags[] = {
96 #define FE(x) { x, #x}
97             FE(DIDFT_RELAXIS),
98             FE(DIDFT_ABSAXIS),
99             FE(DIDFT_PSHBUTTON),
100             FE(DIDFT_TGLBUTTON),
101             FE(DIDFT_POV),
102             FE(DIDFT_COLLECTION),
103             FE(DIDFT_NODATA),       
104             FE(DIDFT_FFACTUATOR),
105             FE(DIDFT_FFEFFECTTRIGGER),
106             FE(DIDFT_OUTPUT),
107             FE(DIDFT_VENDORDEFINED),
108             FE(DIDFT_ALIAS),
109             FE(DIDFT_OPTIONAL)
110 #undef FE
111         };
112         type = (dwFlags & 0xFF0000FF);
113         instance = ((dwFlags >> 8) & 0xFFFF);
114         TRACE("Type:");
115         if (type == DIDFT_ALL) {
116             TRACE(" DIDFT_ALL");
117         } else {
118             for (i = 0; i < (sizeof(flags) / sizeof(flags[0])); i++) {
119                 if (flags[i].mask & type) {
120                     type &= ~flags[i].mask;
121                     TRACE(" %s",flags[i].name);
122                 }
123             }
124             if (type) {
125                 TRACE(" (unhandled: %08x)", type);
126             }
127         }
128         TRACE(" / Instance: ");
129         if (instance == ((DIDFT_ANYINSTANCE >> 8) & 0xFFFF)) {
130             TRACE("DIDFT_ANYINSTANCE");
131         } else {
132             TRACE("%3d", instance);
133         }
134     }
135 }
136
137 void _dump_DIPROPHEADER(LPCDIPROPHEADER diph) {
138     if (TRACE_ON(dinput)) {
139         TRACE("  - dwObj = 0x%08x\n", diph->dwObj);
140         TRACE("  - dwHow = %s\n",
141             ((diph->dwHow == DIPH_DEVICE) ? "DIPH_DEVICE" :
142             ((diph->dwHow == DIPH_BYOFFSET) ? "DIPH_BYOFFSET" :
143             ((diph->dwHow == DIPH_BYID)) ? "DIPH_BYID" : "unknown")));
144     }
145 }
146
147 void _dump_OBJECTINSTANCEA(const DIDEVICEOBJECTINSTANCEA *ddoi) {
148     TRACE("    - enumerating : %s ('%s') - %2d - 0x%08x - %s\n",
149         debugstr_guid(&ddoi->guidType), _dump_dinput_GUID(&ddoi->guidType), ddoi->dwOfs, ddoi->dwType, ddoi->tszName);
150 }
151
152 void _dump_OBJECTINSTANCEW(const DIDEVICEOBJECTINSTANCEW *ddoi) {
153     TRACE("    - enumerating : %s ('%s'), - %2d - 0x%08x - %s\n",
154         debugstr_guid(&ddoi->guidType), _dump_dinput_GUID(&ddoi->guidType), ddoi->dwOfs, ddoi->dwType, debugstr_w(ddoi->tszName));
155 }
156
157 /* This function is a helper to convert a GUID into any possible DInput GUID out there */
158 const char *_dump_dinput_GUID(const GUID *guid) {
159     unsigned int i;
160     static const struct {
161         const GUID *guid;
162         const char *name;
163     } guids[] = {
164 #define FE(x) { &x, #x}
165         FE(GUID_XAxis),
166         FE(GUID_YAxis),
167         FE(GUID_ZAxis),
168         FE(GUID_RxAxis),
169         FE(GUID_RyAxis),
170         FE(GUID_RzAxis),
171         FE(GUID_Slider),
172         FE(GUID_Button),
173         FE(GUID_Key),
174         FE(GUID_POV),
175         FE(GUID_Unknown),
176         FE(GUID_SysMouse),
177         FE(GUID_SysKeyboard),
178         FE(GUID_Joystick),
179         FE(GUID_ConstantForce),
180         FE(GUID_RampForce),
181         FE(GUID_Square),
182         FE(GUID_Sine),
183         FE(GUID_Triangle),
184         FE(GUID_SawtoothUp),
185         FE(GUID_SawtoothDown),
186         FE(GUID_Spring),
187         FE(GUID_Damper),
188         FE(GUID_Inertia),
189         FE(GUID_Friction),
190         FE(GUID_CustomForce)
191 #undef FE
192     };
193     if (guid == NULL)
194         return "null GUID";
195     for (i = 0; i < (sizeof(guids) / sizeof(guids[0])); i++) {
196         if (IsEqualGUID(guids[i].guid, guid)) {
197             return guids[i].name;
198         }
199     }
200     return debugstr_guid(guid);
201 }
202
203 void _dump_DIDATAFORMAT(const DIDATAFORMAT *df) {
204     unsigned int i;
205
206     TRACE("Dumping DIDATAFORMAT structure:\n");
207     TRACE("  - dwSize: %d\n", df->dwSize);
208     if (df->dwSize != sizeof(DIDATAFORMAT)) {
209         WARN("Non-standard DIDATAFORMAT structure size %d\n", df->dwSize);
210     }
211     TRACE("  - dwObjsize: %d\n", df->dwObjSize);
212     if (df->dwObjSize != sizeof(DIOBJECTDATAFORMAT)) {
213         WARN("Non-standard DIOBJECTDATAFORMAT structure size %d\n", df->dwObjSize);
214     }
215     TRACE("  - dwFlags: 0x%08x (", df->dwFlags);
216     switch (df->dwFlags) {
217         case DIDF_ABSAXIS: TRACE("DIDF_ABSAXIS"); break;
218         case DIDF_RELAXIS: TRACE("DIDF_RELAXIS"); break;
219         default: TRACE("unknown"); break;
220     }
221     TRACE(")\n");
222     TRACE("  - dwDataSize: %d\n", df->dwDataSize);
223     TRACE("  - dwNumObjs: %d\n", df->dwNumObjs);
224     
225     for (i = 0; i < df->dwNumObjs; i++) {
226         TRACE("  - Object %d:\n", i);
227         TRACE("      * GUID: %s ('%s')\n", debugstr_guid(df->rgodf[i].pguid), _dump_dinput_GUID(df->rgodf[i].pguid));
228         TRACE("      * dwOfs: %d\n", df->rgodf[i].dwOfs);
229         TRACE("      * dwType: 0x%08x\n", df->rgodf[i].dwType);
230         TRACE("        "); _dump_EnumObjects_flags(df->rgodf[i].dwType); TRACE("\n");
231         TRACE("      * dwFlags: 0x%08x\n", df->rgodf[i].dwFlags);
232     }
233 }
234
235 /******************************************************************************
236  * Get the default and the app-specific config keys.
237  */
238 BOOL get_app_key(HKEY *defkey, HKEY *appkey)
239 {
240     char buffer[MAX_PATH+16];
241     DWORD len;
242
243     *appkey = 0;
244
245     /* @@ Wine registry key: HKCU\Software\Wine\DirectInput */
246     if (RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\DirectInput", defkey))
247         *defkey = 0;
248
249     len = GetModuleFileNameA(0, buffer, MAX_PATH);
250     if (len && len < MAX_PATH)
251     {
252         HKEY tmpkey;
253
254         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe\DirectInput */
255         if (!RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\AppDefaults", &tmpkey))
256         {
257             char *p, *appname = buffer;
258             if ((p = strrchr(appname, '/'))) appname = p + 1;
259             if ((p = strrchr(appname, '\\'))) appname = p + 1;
260             strcat(appname, "\\DirectInput");
261
262             if (RegOpenKeyA(tmpkey, appname, appkey)) *appkey = 0;
263             RegCloseKey(tmpkey);
264         }
265     }
266
267     return *defkey || *appkey;
268 }
269
270 /******************************************************************************
271  * Get a config key from either the app-specific or the default config
272  */
273 DWORD get_config_key( HKEY defkey, HKEY appkey, const char *name,
274                              char *buffer, DWORD size )
275 {
276     if (appkey && !RegQueryValueExA( appkey, name, 0, NULL, (LPBYTE)buffer, &size ))
277         return 0;
278
279     if (defkey && !RegQueryValueExA( defkey, name, 0, NULL, (LPBYTE)buffer, &size ))
280         return 0;
281
282     return ERROR_FILE_NOT_FOUND;
283 }
284
285 /* Conversion between internal data buffer and external data buffer */
286 void fill_DataFormat(void *out, DWORD size, const void *in, const DataFormat *df)
287 {
288     int i;
289     const char *in_c = in;
290     char *out_c = out;
291
292     memset(out, 0, size);
293     if (df->dt == NULL) {
294         /* This means that the app uses Wine's internal data format */
295         memcpy(out, in, min(size, df->internal_format_size));
296     } else {
297         for (i = 0; i < df->size; i++) {
298             if (df->dt[i].offset_in >= 0) {
299                 switch (df->dt[i].size) {
300                     case 1:
301                         TRACE("Copying (c) to %d from %d (value %d)\n",
302                               df->dt[i].offset_out, df->dt[i].offset_in, *(in_c + df->dt[i].offset_in));
303                         *(out_c + df->dt[i].offset_out) = *(in_c + df->dt[i].offset_in);
304                         break;
305
306                     case 2:
307                         TRACE("Copying (s) to %d from %d (value %d)\n",
308                               df->dt[i].offset_out, df->dt[i].offset_in, *((const short *)(in_c + df->dt[i].offset_in)));
309                         *((short *)(out_c + df->dt[i].offset_out)) = *((const short *)(in_c + df->dt[i].offset_in));
310                         break;
311
312                     case 4:
313                         TRACE("Copying (i) to %d from %d (value %d)\n",
314                               df->dt[i].offset_out, df->dt[i].offset_in, *((const int *)(in_c + df->dt[i].offset_in)));
315                         *((int *)(out_c + df->dt[i].offset_out)) = *((const int *)(in_c + df->dt[i].offset_in));
316                         break;
317
318                     default:
319                         memcpy((out_c + df->dt[i].offset_out), (in_c + df->dt[i].offset_in), df->dt[i].size);
320                         break;
321                 }
322             } else {
323                 switch (df->dt[i].size) {
324                     case 1:
325                         TRACE("Copying (c) to %d default value %d\n",
326                               df->dt[i].offset_out, df->dt[i].value);
327                         *(out_c + df->dt[i].offset_out) = (char) df->dt[i].value;
328                         break;
329                         
330                     case 2:
331                         TRACE("Copying (s) to %d default value %d\n",
332                               df->dt[i].offset_out, df->dt[i].value);
333                         *((short *) (out_c + df->dt[i].offset_out)) = (short) df->dt[i].value;
334                         break;
335                         
336                     case 4:
337                         TRACE("Copying (i) to %d default value %d\n",
338                               df->dt[i].offset_out, df->dt[i].value);
339                         *((int *) (out_c + df->dt[i].offset_out)) = df->dt[i].value;
340                         break;
341                         
342                     default:
343                         memset((out_c + df->dt[i].offset_out), 0, df->dt[i].size);
344                         break;
345                 }
346             }
347         }
348     }
349 }
350
351 void release_DataFormat(DataFormat * format)
352 {
353     TRACE("Deleting DataFormat: %p\n", format);
354
355     HeapFree(GetProcessHeap(), 0, format->dt);
356     format->dt = NULL;
357     HeapFree(GetProcessHeap(), 0, format->offsets);
358     format->offsets = NULL;
359     HeapFree(GetProcessHeap(), 0, format->user_df);
360     format->user_df = NULL;
361 }
362
363 static inline LPDIOBJECTDATAFORMAT dataformat_to_odf(LPCDIDATAFORMAT df, int idx)
364 {
365     if (idx < 0 || idx >= df->dwNumObjs) return NULL;
366     return (LPDIOBJECTDATAFORMAT)((LPBYTE)df->rgodf + idx * df->dwObjSize);
367 }
368
369 static HRESULT create_DataFormat(LPCDIDATAFORMAT asked_format, DataFormat *format)
370 {
371     DataTransform *dt;
372     unsigned int i, j;
373     int same = 1;
374     int *done;
375     int index = 0;
376     DWORD next = 0;
377
378     if (!format->wine_df) return DIERR_INVALIDPARAM;
379     done = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, asked_format->dwNumObjs * sizeof(int));
380     dt = HeapAlloc(GetProcessHeap(), 0, asked_format->dwNumObjs * sizeof(DataTransform));
381     if (!dt || !done) goto failed;
382
383     if (!(format->offsets = HeapAlloc(GetProcessHeap(), 0, format->wine_df->dwNumObjs * sizeof(int))))
384         goto failed;
385
386     if (!(format->user_df = HeapAlloc(GetProcessHeap(), 0, asked_format->dwSize)))
387         goto failed;
388     memcpy(format->user_df, asked_format, asked_format->dwSize);
389
390     TRACE("Creating DataTransform :\n");
391     
392     for (i = 0; i < format->wine_df->dwNumObjs; i++)
393     {
394         format->offsets[i] = -1;
395
396         for (j = 0; j < asked_format->dwNumObjs; j++) {
397             if (done[j] == 1)
398                 continue;
399             
400             if (/* Check if the application either requests any GUID and if not, it if matches
401                  * the GUID of the Wine object.
402                  */
403                 ((asked_format->rgodf[j].pguid == NULL) ||
404                  (format->wine_df->rgodf[i].pguid == NULL) ||
405                  (IsEqualGUID(format->wine_df->rgodf[i].pguid, asked_format->rgodf[j].pguid)))
406                 &&
407                 (/* Then check if it accepts any instance id, and if not, if it matches Wine's
408                   * instance id.
409                   */
410                  ((asked_format->rgodf[j].dwType & DIDFT_INSTANCEMASK) == DIDFT_ANYINSTANCE) ||
411                  (DIDFT_GETINSTANCE(asked_format->rgodf[j].dwType) == 0x00FF) || /* This is mentionned in no DX docs, but it works fine - tested on WinXP */
412                  (DIDFT_GETINSTANCE(asked_format->rgodf[j].dwType) == DIDFT_GETINSTANCE(format->wine_df->rgodf[i].dwType)))
413                 &&
414                 ( /* Then if the asked type matches the one Wine provides */
415                  DIDFT_GETTYPE(asked_format->rgodf[j].dwType) & format->wine_df->rgodf[i].dwType))
416             {
417                 done[j] = 1;
418                 
419                 TRACE("Matching :\n");
420                 TRACE("   - Asked (%d) :\n", j);
421                 TRACE("       * GUID: %s ('%s')\n",
422                       debugstr_guid(asked_format->rgodf[j].pguid),
423                       _dump_dinput_GUID(asked_format->rgodf[j].pguid));
424                 TRACE("       * Offset: %3d\n", asked_format->rgodf[j].dwOfs);
425                 TRACE("       * dwType: %08x\n", asked_format->rgodf[j].dwType);
426                 TRACE("         "); _dump_EnumObjects_flags(asked_format->rgodf[j].dwType); TRACE("\n");
427                 
428                 TRACE("   - Wine  (%d) :\n", i);
429                 TRACE("       * GUID: %s ('%s')\n",
430                       debugstr_guid(format->wine_df->rgodf[i].pguid),
431                       _dump_dinput_GUID(format->wine_df->rgodf[i].pguid));
432                 TRACE("       * Offset: %3d\n", format->wine_df->rgodf[i].dwOfs);
433                 TRACE("       * dwType: %08x\n", format->wine_df->rgodf[i].dwType);
434                 TRACE("         "); _dump_EnumObjects_flags(format->wine_df->rgodf[i].dwType); TRACE("\n");
435                 
436                 if (format->wine_df->rgodf[i].dwType & DIDFT_BUTTON)
437                     dt[index].size = sizeof(BYTE);
438                 else
439                     dt[index].size = sizeof(DWORD);
440                 dt[index].offset_in = format->wine_df->rgodf[i].dwOfs;
441                 dt[index].offset_out = asked_format->rgodf[j].dwOfs;
442                 format->offsets[i]   = asked_format->rgodf[j].dwOfs;
443                 dt[index].value = 0;
444                 next = next + dt[index].size;
445                 
446                 if (format->wine_df->rgodf[i].dwOfs != dt[index].offset_out)
447                     same = 0;
448                 
449                 index++;
450                 break;
451             }
452         }
453     }
454
455     TRACE("Setting to default value :\n");
456     for (j = 0; j < asked_format->dwNumObjs; j++) {
457         if (done[j] == 0) {
458             TRACE("   - Asked (%d) :\n", j);
459             TRACE("       * GUID: %s ('%s')\n",
460                   debugstr_guid(asked_format->rgodf[j].pguid),
461                   _dump_dinput_GUID(asked_format->rgodf[j].pguid));
462             TRACE("       * Offset: %3d\n", asked_format->rgodf[j].dwOfs);
463             TRACE("       * dwType: %08x\n", asked_format->rgodf[j].dwType);
464             TRACE("         "); _dump_EnumObjects_flags(asked_format->rgodf[j].dwType); TRACE("\n");
465             
466             if (asked_format->rgodf[j].dwType & DIDFT_BUTTON)
467                 dt[index].size = sizeof(BYTE);
468             else
469                 dt[index].size = sizeof(DWORD);
470             dt[index].offset_in  = -1;
471             dt[index].offset_out = asked_format->rgodf[j].dwOfs;
472             if (asked_format->rgodf[j].dwType & DIDFT_POV)
473                 dt[index].value = -1;
474             else
475                 dt[index].value = 0;
476             index++;
477
478             same = 0;
479         }
480     }
481     
482     format->internal_format_size = format->wine_df->dwDataSize;
483     format->size = index;
484     if (same) {
485         HeapFree(GetProcessHeap(), 0, dt);
486         dt = NULL;
487     }
488     format->dt = dt;
489
490     HeapFree(GetProcessHeap(), 0, done);
491
492     return DI_OK;
493
494 failed:
495     HeapFree(GetProcessHeap(), 0, done);
496     HeapFree(GetProcessHeap(), 0, dt);
497     format->dt = NULL;
498     HeapFree(GetProcessHeap(), 0, format->offsets);
499     format->offsets = NULL;
500     HeapFree(GetProcessHeap(), 0, format->user_df);
501     format->user_df = NULL;
502
503     return DIERR_OUTOFMEMORY;
504 }
505
506 /* find an object by it's offset in a data format */
507 static int offset_to_object(const DataFormat *df, int offset)
508 {
509     int i;
510
511     if (!df->offsets) return -1;
512
513     for (i = 0; i < df->wine_df->dwNumObjs; i++)
514         if (df->offsets[i] == offset) return i;
515
516     return -1;
517 }
518
519 int id_to_object(LPCDIDATAFORMAT df, int id)
520 {
521     int i;
522
523     id &= 0x00ffffff;
524     for (i = 0; i < df->dwNumObjs; i++)
525         if ((dataformat_to_odf(df, i)->dwType & 0x00ffffff) == id)
526             return i;
527
528     return -1;
529 }
530
531 static int id_to_offset(const DataFormat *df, int id)
532 {
533     int obj = id_to_object(df->wine_df, id);
534
535     return obj >= 0 && df->offsets ? df->offsets[obj] : -1;
536 }
537
538 int find_property(const DataFormat *df, LPCDIPROPHEADER ph)
539 {
540     switch (ph->dwHow)
541     {
542         case DIPH_BYID:     return id_to_object(df->wine_df, ph->dwObj);
543         case DIPH_BYOFFSET: return offset_to_object(df, ph->dwObj);
544     }
545     FIXME("Unhandled ph->dwHow=='%04X'\n", (unsigned int)ph->dwHow);
546
547     return -1;
548 }
549
550 /******************************************************************************
551  *      queue_event - add new event to the ring queue
552  */
553
554 void queue_event(LPDIRECTINPUTDEVICE8A iface, int inst_id, DWORD data, DWORD time, DWORD seq)
555 {
556     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
557     int next_pos, ofs = id_to_offset(&This->data_format, inst_id);
558
559     /* Event is being set regardless of the queue state */
560     if (This->hEvent) SetEvent(This->hEvent);
561
562     if (!This->queue_len || This->overflow || ofs < 0) return;
563
564     next_pos = (This->queue_head + 1) % This->queue_len;
565     if (next_pos == This->queue_tail)
566     {
567         TRACE(" queue overflowed\n");
568         This->overflow = TRUE;
569         return;
570     }
571
572     TRACE(" queueing %d at offset %d (queue head %d / size %d)\n",
573           data, ofs, This->queue_head, This->queue_len);
574
575     This->data_queue[This->queue_head].dwOfs       = ofs;
576     This->data_queue[This->queue_head].dwData      = data;
577     This->data_queue[This->queue_head].dwTimeStamp = time;
578     This->data_queue[This->queue_head].dwSequence  = seq;
579     This->queue_head = next_pos;
580     /* Send event if asked */
581 }
582
583 /******************************************************************************
584  *      Acquire
585  */
586
587 HRESULT WINAPI IDirectInputDevice2WImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
588 {
589     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
590     HRESULT res;
591
592     if (!This->data_format.user_df) return DIERR_INVALIDPARAM;
593     if (This->dwCoopLevel & DISCL_FOREGROUND && This->win != GetForegroundWindow())
594         return DIERR_OTHERAPPHASPRIO;
595
596     EnterCriticalSection(&This->crit);
597     res = This->acquired ? S_FALSE : DI_OK;
598     This->acquired = 1;
599     if (res == DI_OK)
600     {
601         This->queue_head = This->queue_tail = This->overflow = 0;
602         check_dinput_hooks(iface);
603     }
604     LeaveCriticalSection(&This->crit);
605
606     return res;
607 }
608
609 HRESULT WINAPI IDirectInputDevice2AImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
610 {
611     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
612     return IDirectInputDevice2WImpl_Acquire(IDirectInputDevice8W_from_impl(This));
613 }
614
615
616 /******************************************************************************
617  *      Unacquire
618  */
619
620 HRESULT WINAPI IDirectInputDevice2WImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
621 {
622     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
623     HRESULT res;
624
625     EnterCriticalSection(&This->crit);
626     res = !This->acquired ? DI_NOEFFECT : DI_OK;
627     This->acquired = 0;
628     if (res == DI_OK)
629         check_dinput_hooks(iface);
630     LeaveCriticalSection(&This->crit);
631
632     return res;
633 }
634
635 HRESULT WINAPI IDirectInputDevice2AImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
636 {
637     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
638     return IDirectInputDevice2WImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
639 }
640
641 /******************************************************************************
642  *      IDirectInputDeviceA
643  */
644
645 HRESULT WINAPI IDirectInputDevice2WImpl_SetDataFormat(LPDIRECTINPUTDEVICE8W iface, LPCDIDATAFORMAT df)
646 {
647     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
648     HRESULT res = DI_OK;
649
650     if (!df) return E_POINTER;
651     TRACE("(%p) %p\n", This, df);
652     _dump_DIDATAFORMAT(df);
653
654     if (df->dwSize != sizeof(DIDATAFORMAT)) return DIERR_INVALIDPARAM;
655     if (This->acquired) return DIERR_ACQUIRED;
656
657     EnterCriticalSection(&This->crit);
658
659     release_DataFormat(&This->data_format);
660     res = create_DataFormat(df, &This->data_format);
661
662     LeaveCriticalSection(&This->crit);
663     return res;
664 }
665
666 HRESULT WINAPI IDirectInputDevice2AImpl_SetDataFormat(LPDIRECTINPUTDEVICE8A iface, LPCDIDATAFORMAT df)
667 {
668     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
669     return IDirectInputDevice2WImpl_SetDataFormat(IDirectInputDevice8W_from_impl(This), df);
670 }
671
672 /******************************************************************************
673   *     SetCooperativeLevel
674   *
675   *  Set cooperative level and the source window for the events.
676   */
677 HRESULT WINAPI IDirectInputDevice2WImpl_SetCooperativeLevel(LPDIRECTINPUTDEVICE8W iface, HWND hwnd, DWORD dwflags)
678 {
679     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
680
681     TRACE("(%p) %p,0x%08x\n", This, hwnd, dwflags);
682     _dump_cooperativelevel_DI(dwflags);
683
684     if ((dwflags & (DISCL_EXCLUSIVE | DISCL_NONEXCLUSIVE)) == 0 ||
685         (dwflags & (DISCL_EXCLUSIVE | DISCL_NONEXCLUSIVE)) == (DISCL_EXCLUSIVE | DISCL_NONEXCLUSIVE) ||
686         (dwflags & (DISCL_FOREGROUND | DISCL_BACKGROUND)) == 0 ||
687         (dwflags & (DISCL_FOREGROUND | DISCL_BACKGROUND)) == (DISCL_FOREGROUND | DISCL_BACKGROUND))
688         return DIERR_INVALIDPARAM;
689
690     if (dwflags == (DISCL_NONEXCLUSIVE | DISCL_BACKGROUND))
691         hwnd = GetDesktopWindow();
692
693     if (!hwnd) return E_HANDLE;
694
695     /* For security reasons native does not allow exclusive background level
696        for mouse and keyboard only */
697     if (dwflags & DISCL_EXCLUSIVE && dwflags & DISCL_BACKGROUND &&
698         (IsEqualGUID(&This->guid, &GUID_SysMouse) ||
699          IsEqualGUID(&This->guid, &GUID_SysKeyboard)))
700         return DIERR_UNSUPPORTED;
701
702     /* Store the window which asks for the mouse */
703     EnterCriticalSection(&This->crit);
704     This->win = hwnd;
705     This->dwCoopLevel = dwflags;
706     LeaveCriticalSection(&This->crit);
707
708     return DI_OK;
709 }
710
711 HRESULT WINAPI IDirectInputDevice2AImpl_SetCooperativeLevel(LPDIRECTINPUTDEVICE8A iface, HWND hwnd, DWORD dwflags)
712 {
713     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
714     return IDirectInputDevice2WImpl_SetCooperativeLevel(IDirectInputDevice8W_from_impl(This), hwnd, dwflags);
715 }
716
717 /******************************************************************************
718   *     SetEventNotification : specifies event to be sent on state change
719   */
720 HRESULT WINAPI IDirectInputDevice2WImpl_SetEventNotification(LPDIRECTINPUTDEVICE8W iface, HANDLE event)
721 {
722     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
723
724     TRACE("(%p) %p\n", This, event);
725
726     EnterCriticalSection(&This->crit);
727     This->hEvent = event;
728     LeaveCriticalSection(&This->crit);
729     return DI_OK;
730 }
731
732 HRESULT WINAPI IDirectInputDevice2AImpl_SetEventNotification(LPDIRECTINPUTDEVICE8A iface, HANDLE event)
733 {
734     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
735     return IDirectInputDevice2WImpl_SetEventNotification(IDirectInputDevice8W_from_impl(This), event);
736 }
737
738
739 ULONG WINAPI IDirectInputDevice2WImpl_Release(LPDIRECTINPUTDEVICE8W iface)
740 {
741     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
742     ULONG ref;
743
744     ref = InterlockedDecrement(&(This->ref));
745     if (ref) return ref;
746
747     IDirectInputDevice_Unacquire(iface);
748     /* Reset the FF state, free all effects, etc */
749     IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
750
751     HeapFree(GetProcessHeap(), 0, This->data_queue);
752
753     /* Free data format */
754     HeapFree(GetProcessHeap(), 0, This->data_format.wine_df->rgodf);
755     HeapFree(GetProcessHeap(), 0, This->data_format.wine_df);
756     release_DataFormat(&This->data_format);
757
758     EnterCriticalSection( &This->dinput->crit );
759     list_remove( &This->entry );
760     LeaveCriticalSection( &This->dinput->crit );
761
762     IDirectInput_Release(&This->dinput->IDirectInput7A_iface);
763     This->crit.DebugInfo->Spare[0] = 0;
764     DeleteCriticalSection(&This->crit);
765
766     HeapFree(GetProcessHeap(), 0, This);
767
768     return DI_OK;
769 }
770
771 ULONG WINAPI IDirectInputDevice2AImpl_Release(LPDIRECTINPUTDEVICE8A iface)
772 {
773     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
774     return IDirectInputDevice2WImpl_Release(IDirectInputDevice8W_from_impl(This));
775 }
776
777 HRESULT WINAPI IDirectInputDevice2WImpl_QueryInterface(LPDIRECTINPUTDEVICE8W iface, REFIID riid, LPVOID *ppobj)
778 {
779     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
780
781     TRACE("(%p this=%p,%s,%p)\n", iface, This, debugstr_guid(riid), ppobj);
782     if (IsEqualGUID(&IID_IUnknown, riid) ||
783         IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
784         IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
785         IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
786         IsEqualGUID(&IID_IDirectInputDevice8A, riid))
787     {
788         IDirectInputDevice2_AddRef(iface);
789         *ppobj = IDirectInputDevice8A_from_impl(This);
790         return DI_OK;
791     }
792     if (IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
793         IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
794         IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
795         IsEqualGUID(&IID_IDirectInputDevice8W, riid))
796     {
797         IDirectInputDevice2_AddRef(iface);
798         *ppobj = IDirectInputDevice8W_from_impl(This);
799         return DI_OK;
800     }
801
802     WARN("Unsupported interface!\n");
803     return E_FAIL;
804 }
805
806 HRESULT WINAPI IDirectInputDevice2AImpl_QueryInterface(LPDIRECTINPUTDEVICE8A iface, REFIID riid, LPVOID *ppobj)
807 {
808     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
809     return IDirectInputDevice2WImpl_QueryInterface(IDirectInputDevice8W_from_impl(This), riid, ppobj);
810 }
811
812 ULONG WINAPI IDirectInputDevice2WImpl_AddRef(LPDIRECTINPUTDEVICE8W iface)
813 {
814     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
815     return InterlockedIncrement(&This->ref);
816 }
817
818 ULONG WINAPI IDirectInputDevice2AImpl_AddRef(LPDIRECTINPUTDEVICE8A iface)
819 {
820     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
821     return IDirectInputDevice2WImpl_AddRef(IDirectInputDevice8W_from_impl(This));
822 }
823
824 HRESULT WINAPI IDirectInputDevice2AImpl_EnumObjects(LPDIRECTINPUTDEVICE8A iface,
825         LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback, LPVOID lpvRef, DWORD dwFlags)
826 {
827     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
828     DIDEVICEOBJECTINSTANCEA ddoi;
829     int i;
830
831     TRACE("(%p) %p,%p flags:%08x)\n", iface, lpCallback, lpvRef, dwFlags);
832     TRACE("  - flags = ");
833     _dump_EnumObjects_flags(dwFlags);
834     TRACE("\n");
835
836     /* Only the fields till dwFFMaxForce are relevant */
837     memset(&ddoi, 0, sizeof(ddoi));
838     ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
839
840     for (i = 0; i < This->data_format.wine_df->dwNumObjs; i++)
841     {
842         LPDIOBJECTDATAFORMAT odf = dataformat_to_odf(This->data_format.wine_df, i);
843
844         if (dwFlags != DIDFT_ALL && !(dwFlags & DIEFT_GETTYPE(odf->dwType))) continue;
845         if (IDirectInputDevice_GetObjectInfo(iface, &ddoi, odf->dwType, DIPH_BYID) != DI_OK)
846             continue;
847
848         if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) break;
849     }
850
851     return DI_OK;
852 }
853
854 HRESULT WINAPI IDirectInputDevice2WImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
855         LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback, LPVOID lpvRef, DWORD dwFlags)
856 {
857     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
858     DIDEVICEOBJECTINSTANCEW ddoi;
859     int i;
860
861     TRACE("(%p) %p,%p flags:%08x)\n", iface, lpCallback, lpvRef, dwFlags);
862     TRACE("  - flags = ");
863     _dump_EnumObjects_flags(dwFlags);
864     TRACE("\n");
865
866     /* Only the fields till dwFFMaxForce are relevant */
867     memset(&ddoi, 0, sizeof(ddoi));
868     ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, dwFFMaxForce);
869
870     for (i = 0; i < This->data_format.wine_df->dwNumObjs; i++)
871     {
872         LPDIOBJECTDATAFORMAT odf = dataformat_to_odf(This->data_format.wine_df, i);
873
874         if (dwFlags != DIDFT_ALL && !(dwFlags & DIEFT_GETTYPE(odf->dwType))) continue;
875         if (IDirectInputDevice_GetObjectInfo(iface, &ddoi, odf->dwType, DIPH_BYID) != DI_OK)
876             continue;
877
878         if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) break;
879     }
880
881     return DI_OK;
882 }
883
884 /******************************************************************************
885  *      GetProperty
886  */
887
888 HRESULT WINAPI IDirectInputDevice2WImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPDIPROPHEADER pdiph)
889 {
890     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
891
892     TRACE("(%p) %s,%p\n", iface, debugstr_guid(rguid), pdiph);
893     _dump_DIPROPHEADER(pdiph);
894
895     if (!IS_DIPROP(rguid)) return DI_OK;
896
897     switch (LOWORD(rguid))
898     {
899         case (DWORD_PTR) DIPROP_BUFFERSIZE:
900         {
901             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
902
903             if (pdiph->dwSize != sizeof(DIPROPDWORD)) return DIERR_INVALIDPARAM;
904
905             pd->dwData = This->queue_len;
906             TRACE("buffersize = %d\n", pd->dwData);
907             break;
908         }
909         case (DWORD_PTR) DIPROP_VIDPID:
910             FIXME("DIPROP_VIDPID not implemented\n");
911             return DIERR_UNSUPPORTED;
912         default:
913             FIXME("Unknown property %s\n", debugstr_guid(rguid));
914             return DIERR_INVALIDPARAM;
915     }
916
917     return DI_OK;
918 }
919
920 HRESULT WINAPI IDirectInputDevice2AImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPDIPROPHEADER pdiph)
921 {
922     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
923     return IDirectInputDevice2WImpl_GetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
924 }
925
926 /******************************************************************************
927  *      SetProperty
928  */
929
930 HRESULT WINAPI IDirectInputDevice2WImpl_SetProperty(
931         LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPCDIPROPHEADER pdiph)
932 {
933     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
934
935     TRACE("(%p) %s,%p\n", iface, debugstr_guid(rguid), pdiph);
936     _dump_DIPROPHEADER(pdiph);
937
938     if (!IS_DIPROP(rguid)) return DI_OK;
939
940     switch (LOWORD(rguid))
941     {
942         case (DWORD_PTR) DIPROP_AXISMODE:
943         {
944             LPCDIPROPDWORD pd = (LPCDIPROPDWORD)pdiph;
945
946             if (pdiph->dwSize != sizeof(DIPROPDWORD)) return DIERR_INVALIDPARAM;
947             if (pdiph->dwHow == DIPH_DEVICE && pdiph->dwObj) return DIERR_INVALIDPARAM;
948             if (This->acquired) return DIERR_ACQUIRED;
949             if (pdiph->dwHow != DIPH_DEVICE) return DIERR_UNSUPPORTED;
950             if (!This->data_format.user_df) return DI_OK;
951
952             TRACE("Axis mode: %s\n", pd->dwData == DIPROPAXISMODE_ABS ? "absolute" :
953                                                                         "relative");
954
955             EnterCriticalSection(&This->crit);
956             This->data_format.user_df->dwFlags &= ~DIDFT_AXIS;
957             This->data_format.user_df->dwFlags |= pd->dwData == DIPROPAXISMODE_ABS ?
958                                                   DIDF_ABSAXIS : DIDF_RELAXIS;
959             LeaveCriticalSection(&This->crit);
960             break;
961         }
962         case (DWORD_PTR) DIPROP_BUFFERSIZE:
963         {
964             LPCDIPROPDWORD pd = (LPCDIPROPDWORD)pdiph;
965
966             if (pdiph->dwSize != sizeof(DIPROPDWORD)) return DIERR_INVALIDPARAM;
967             if (This->acquired) return DIERR_ACQUIRED;
968
969             TRACE("buffersize = %d\n", pd->dwData);
970
971             EnterCriticalSection(&This->crit);
972             HeapFree(GetProcessHeap(), 0, This->data_queue);
973
974             This->data_queue = !pd->dwData ? NULL : HeapAlloc(GetProcessHeap(), 0,
975                                 pd->dwData * sizeof(DIDEVICEOBJECTDATA));
976             This->queue_head = This->queue_tail = This->overflow = 0;
977             This->queue_len  = pd->dwData;
978
979             LeaveCriticalSection(&This->crit);
980             break;
981         }
982         default:
983             WARN("Unknown property %s\n", debugstr_guid(rguid));
984             return DIERR_UNSUPPORTED;
985     }
986
987     return DI_OK;
988 }
989
990 HRESULT WINAPI IDirectInputDevice2AImpl_SetProperty(
991         LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPCDIPROPHEADER pdiph)
992 {
993     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
994     return IDirectInputDevice2WImpl_SetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
995 }
996
997 HRESULT WINAPI IDirectInputDevice2AImpl_GetObjectInfo(
998         LPDIRECTINPUTDEVICE8A iface,
999         LPDIDEVICEOBJECTINSTANCEA pdidoi,
1000         DWORD dwObj,
1001         DWORD dwHow)
1002 {
1003     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1004     DIDEVICEOBJECTINSTANCEW didoiW;
1005     HRESULT res;
1006
1007     if (!pdidoi ||
1008         (pdidoi->dwSize != sizeof(DIDEVICEOBJECTINSTANCEA) &&
1009          pdidoi->dwSize != sizeof(DIDEVICEOBJECTINSTANCE_DX3A)))
1010         return DIERR_INVALIDPARAM;
1011
1012     didoiW.dwSize = sizeof(didoiW);
1013     res = IDirectInputDevice2WImpl_GetObjectInfo(IDirectInputDevice8W_from_impl(This), &didoiW, dwObj, dwHow);
1014     if (res == DI_OK)
1015     {
1016         DWORD dwSize = pdidoi->dwSize;
1017
1018         memset(pdidoi, 0, pdidoi->dwSize);
1019         pdidoi->dwSize   = dwSize;
1020         pdidoi->guidType = didoiW.guidType;
1021         pdidoi->dwOfs    = didoiW.dwOfs;
1022         pdidoi->dwType   = didoiW.dwType;
1023         pdidoi->dwFlags  = didoiW.dwFlags;
1024     }
1025
1026     return res;
1027 }
1028
1029 HRESULT WINAPI IDirectInputDevice2WImpl_GetObjectInfo(
1030         LPDIRECTINPUTDEVICE8W iface,
1031         LPDIDEVICEOBJECTINSTANCEW pdidoi,
1032         DWORD dwObj,
1033         DWORD dwHow)
1034 {
1035     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
1036     DWORD dwSize;
1037     LPDIOBJECTDATAFORMAT odf;
1038     int idx = -1;
1039
1040     TRACE("(%p) %d(0x%08x) -> %p\n", This, dwHow, dwObj, pdidoi);
1041
1042     if (!pdidoi ||
1043         (pdidoi->dwSize != sizeof(DIDEVICEOBJECTINSTANCEW) &&
1044          pdidoi->dwSize != sizeof(DIDEVICEOBJECTINSTANCE_DX3W)))
1045         return DIERR_INVALIDPARAM;
1046
1047     switch (dwHow)
1048     {
1049     case DIPH_BYOFFSET:
1050         if (!This->data_format.offsets) break;
1051         for (idx = This->data_format.wine_df->dwNumObjs - 1; idx >= 0; idx--)
1052             if (This->data_format.offsets[idx] == dwObj) break;
1053         break;
1054     case DIPH_BYID:
1055         dwObj &= 0x00ffffff;
1056         for (idx = This->data_format.wine_df->dwNumObjs - 1; idx >= 0; idx--)
1057             if ((dataformat_to_odf(This->data_format.wine_df, idx)->dwType & 0x00ffffff) == dwObj)
1058                 break;
1059         break;
1060
1061     case DIPH_BYUSAGE:
1062         FIXME("dwHow = DIPH_BYUSAGE not implemented\n");
1063         break;
1064     default:
1065         WARN("invalid parameter: dwHow = %08x\n", dwHow);
1066         return DIERR_INVALIDPARAM;
1067     }
1068     if (idx < 0) return DIERR_OBJECTNOTFOUND;
1069
1070     odf = dataformat_to_odf(This->data_format.wine_df, idx);
1071     dwSize = pdidoi->dwSize; /* save due to memset below */
1072     memset(pdidoi, 0, pdidoi->dwSize);
1073     pdidoi->dwSize   = dwSize;
1074     if (odf->pguid) pdidoi->guidType = *odf->pguid;
1075     pdidoi->dwOfs    = This->data_format.offsets ? This->data_format.offsets[idx] : odf->dwOfs;
1076     pdidoi->dwType   = odf->dwType;
1077     pdidoi->dwFlags  = odf->dwFlags;
1078
1079     return DI_OK;
1080 }
1081
1082 HRESULT WINAPI IDirectInputDevice2WImpl_GetDeviceData(LPDIRECTINPUTDEVICE8W iface, DWORD dodsize,
1083                                                       LPDIDEVICEOBJECTDATA dod, LPDWORD entries, DWORD flags)
1084 {
1085     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
1086     HRESULT ret = DI_OK;
1087     int len;
1088
1089     TRACE("(%p) %p -> %p(%d) x%d, 0x%08x\n",
1090           This, dod, entries, entries ? *entries : 0, dodsize, flags);
1091
1092     if (!This->acquired)
1093         return DIERR_NOTACQUIRED;
1094     if (!This->queue_len)
1095         return DIERR_NOTBUFFERED;
1096     if (dodsize < sizeof(DIDEVICEOBJECTDATA_DX3))
1097         return DIERR_INVALIDPARAM;
1098
1099     IDirectInputDevice2_Poll(iface);
1100     EnterCriticalSection(&This->crit);
1101
1102     len = This->queue_head - This->queue_tail;
1103     if (len < 0) len += This->queue_len;
1104
1105     if ((*entries != INFINITE) && (len > *entries)) len = *entries;
1106
1107     if (dod)
1108     {
1109         int i;
1110         for (i = 0; i < len; i++)
1111         {
1112             int n = (This->queue_tail + i) % This->queue_len;
1113             memcpy((char *)dod + dodsize * i, This->data_queue + n, dodsize);
1114         }
1115     }
1116     *entries = len;
1117
1118     if (This->overflow)
1119         ret = DI_BUFFEROVERFLOW;
1120
1121     if (!(flags & DIGDD_PEEK))
1122     {
1123         /* Advance reading position */
1124         This->queue_tail = (This->queue_tail + len) % This->queue_len;
1125         This->overflow = FALSE;
1126     }
1127
1128     LeaveCriticalSection(&This->crit);
1129
1130     TRACE("Returning %d events queued\n", *entries);
1131     return ret;
1132 }
1133
1134 HRESULT WINAPI IDirectInputDevice2AImpl_GetDeviceData(LPDIRECTINPUTDEVICE8A iface, DWORD dodsize,
1135                                                       LPDIDEVICEOBJECTDATA dod, LPDWORD entries, DWORD flags)
1136 {
1137     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1138     return IDirectInputDevice2WImpl_GetDeviceData(IDirectInputDevice8W_from_impl(This), dodsize, dod, entries, flags);
1139 }
1140
1141 HRESULT WINAPI IDirectInputDevice2WImpl_RunControlPanel(LPDIRECTINPUTDEVICE8W iface, HWND hwndOwner, DWORD dwFlags)
1142 {
1143     FIXME("(this=%p,%p,0x%08x): stub!\n", iface, hwndOwner, dwFlags);
1144
1145     return DI_OK;
1146 }
1147
1148 HRESULT WINAPI IDirectInputDevice2AImpl_RunControlPanel(LPDIRECTINPUTDEVICE8A iface, HWND hwndOwner, DWORD dwFlags)
1149 {
1150     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1151     return IDirectInputDevice2WImpl_RunControlPanel(IDirectInputDevice8W_from_impl(This), hwndOwner, dwFlags);
1152 }
1153
1154 HRESULT WINAPI IDirectInputDevice2WImpl_Initialize(LPDIRECTINPUTDEVICE8W iface, HINSTANCE hinst, DWORD dwVersion,
1155                                                    REFGUID rguid)
1156 {
1157     FIXME("(this=%p,%p,%d,%s): stub!\n", iface, hinst, dwVersion, debugstr_guid(rguid));
1158     return DI_OK;
1159 }
1160
1161 HRESULT WINAPI IDirectInputDevice2AImpl_Initialize(LPDIRECTINPUTDEVICE8A iface, HINSTANCE hinst, DWORD dwVersion,
1162                                                    REFGUID rguid)
1163 {
1164     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1165     return IDirectInputDevice2WImpl_Initialize(IDirectInputDevice8W_from_impl(This), hinst, dwVersion, rguid);
1166 }
1167
1168 /******************************************************************************
1169  *      IDirectInputDevice2A
1170  */
1171
1172 HRESULT WINAPI IDirectInputDevice2WImpl_CreateEffect(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPCDIEFFECT lpeff,
1173                                                      LPDIRECTINPUTEFFECT *ppdef, LPUNKNOWN pUnkOuter)
1174 {
1175     FIXME("(this=%p,%s,%p,%p,%p): stub!\n", iface, debugstr_guid(rguid), lpeff, ppdef, pUnkOuter);
1176     return DI_OK;
1177 }
1178
1179 HRESULT WINAPI IDirectInputDevice2AImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPCDIEFFECT lpeff,
1180                                                      LPDIRECTINPUTEFFECT *ppdef, LPUNKNOWN pUnkOuter)
1181 {
1182     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1183     return IDirectInputDevice2WImpl_CreateEffect(IDirectInputDevice8W_from_impl(This), rguid, lpeff, ppdef, pUnkOuter);
1184 }
1185
1186 HRESULT WINAPI IDirectInputDevice2AImpl_EnumEffects(
1187         LPDIRECTINPUTDEVICE8A iface,
1188         LPDIENUMEFFECTSCALLBACKA lpCallback,
1189         LPVOID lpvRef,
1190         DWORD dwFlags)
1191 {
1192     FIXME("(this=%p,%p,%p,0x%08x): stub!\n",
1193           iface, lpCallback, lpvRef, dwFlags);
1194     
1195     return DI_OK;
1196 }
1197
1198 HRESULT WINAPI IDirectInputDevice2WImpl_EnumEffects(
1199         LPDIRECTINPUTDEVICE8W iface,
1200         LPDIENUMEFFECTSCALLBACKW lpCallback,
1201         LPVOID lpvRef,
1202         DWORD dwFlags)
1203 {
1204     FIXME("(this=%p,%p,%p,0x%08x): stub!\n",
1205           iface, lpCallback, lpvRef, dwFlags);
1206     
1207     return DI_OK;
1208 }
1209
1210 HRESULT WINAPI IDirectInputDevice2AImpl_GetEffectInfo(
1211         LPDIRECTINPUTDEVICE8A iface,
1212         LPDIEFFECTINFOA lpdei,
1213         REFGUID rguid)
1214 {
1215     FIXME("(this=%p,%p,%s): stub!\n",
1216           iface, lpdei, debugstr_guid(rguid));
1217     return DI_OK;
1218 }
1219
1220 HRESULT WINAPI IDirectInputDevice2WImpl_GetEffectInfo(
1221         LPDIRECTINPUTDEVICE8W iface,
1222         LPDIEFFECTINFOW lpdei,
1223         REFGUID rguid)
1224 {
1225     FIXME("(this=%p,%p,%s): stub!\n",
1226           iface, lpdei, debugstr_guid(rguid));
1227     return DI_OK;
1228 }
1229
1230 HRESULT WINAPI IDirectInputDevice2WImpl_GetForceFeedbackState(LPDIRECTINPUTDEVICE8W iface, LPDWORD pdwOut)
1231 {
1232     FIXME("(this=%p,%p): stub!\n", iface, pdwOut);
1233     return DI_OK;
1234 }
1235
1236 HRESULT WINAPI IDirectInputDevice2AImpl_GetForceFeedbackState(LPDIRECTINPUTDEVICE8A iface, LPDWORD pdwOut)
1237 {
1238     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1239     return IDirectInputDevice2WImpl_GetForceFeedbackState(IDirectInputDevice8W_from_impl(This), pdwOut);
1240 }
1241
1242 HRESULT WINAPI IDirectInputDevice2WImpl_SendForceFeedbackCommand(LPDIRECTINPUTDEVICE8W iface, DWORD dwFlags)
1243 {
1244     TRACE("(%p) 0x%08x:\n", iface, dwFlags);
1245     return DI_NOEFFECT;
1246 }
1247
1248 HRESULT WINAPI IDirectInputDevice2AImpl_SendForceFeedbackCommand(LPDIRECTINPUTDEVICE8A iface, DWORD dwFlags)
1249 {
1250     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1251     return IDirectInputDevice2WImpl_SendForceFeedbackCommand(IDirectInputDevice8W_from_impl(This), dwFlags);
1252 }
1253
1254 HRESULT WINAPI IDirectInputDevice2WImpl_EnumCreatedEffectObjects(LPDIRECTINPUTDEVICE8W iface,
1255         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback, LPVOID lpvRef, DWORD dwFlags)
1256 {
1257     FIXME("(this=%p,%p,%p,0x%08x): stub!\n", iface, lpCallback, lpvRef, dwFlags);
1258     return DI_OK;
1259 }
1260
1261 HRESULT WINAPI IDirectInputDevice2AImpl_EnumCreatedEffectObjects(LPDIRECTINPUTDEVICE8A iface,
1262         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback, LPVOID lpvRef, DWORD dwFlags)
1263 {
1264     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1265     return IDirectInputDevice2WImpl_EnumCreatedEffectObjects(IDirectInputDevice8W_from_impl(This), lpCallback, lpvRef, dwFlags);
1266 }
1267
1268 HRESULT WINAPI IDirectInputDevice2WImpl_Escape(LPDIRECTINPUTDEVICE8W iface, LPDIEFFESCAPE lpDIEEsc)
1269 {
1270     FIXME("(this=%p,%p): stub!\n", iface, lpDIEEsc);
1271     return DI_OK;
1272 }
1273
1274 HRESULT WINAPI IDirectInputDevice2AImpl_Escape(LPDIRECTINPUTDEVICE8A iface, LPDIEFFESCAPE lpDIEEsc)
1275 {
1276     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1277     return IDirectInputDevice2WImpl_Escape(IDirectInputDevice8W_from_impl(This), lpDIEEsc);
1278 }
1279
1280 HRESULT WINAPI IDirectInputDevice2WImpl_Poll(LPDIRECTINPUTDEVICE8W iface)
1281 {
1282     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8W(iface);
1283
1284     if (!This->acquired) return DIERR_NOTACQUIRED;
1285     /* Because wine devices do not need to be polled, just return DI_NOEFFECT */
1286     return DI_NOEFFECT;
1287 }
1288
1289 HRESULT WINAPI IDirectInputDevice2AImpl_Poll(LPDIRECTINPUTDEVICE8A iface)
1290 {
1291     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1292     return IDirectInputDevice2WImpl_Poll(IDirectInputDevice8W_from_impl(This));
1293 }
1294
1295 HRESULT WINAPI IDirectInputDevice2WImpl_SendDeviceData(LPDIRECTINPUTDEVICE8W iface, DWORD cbObjectData,
1296                                                        LPCDIDEVICEOBJECTDATA rgdod, LPDWORD pdwInOut,
1297                                                        DWORD dwFlags)
1298 {
1299     FIXME("(this=%p,0x%08x,%p,%p,0x%08x): stub!\n", iface, cbObjectData, rgdod, pdwInOut, dwFlags);
1300
1301     return DI_OK;
1302 }
1303
1304 HRESULT WINAPI IDirectInputDevice2AImpl_SendDeviceData(LPDIRECTINPUTDEVICE8A iface, DWORD cbObjectData,
1305                                                        LPCDIDEVICEOBJECTDATA rgdod, LPDWORD pdwInOut,
1306                                                        DWORD dwFlags)
1307 {
1308     IDirectInputDeviceImpl *This = impl_from_IDirectInputDevice8A(iface);
1309     return IDirectInputDevice2WImpl_SendDeviceData(IDirectInputDevice8W_from_impl(This), cbObjectData, rgdod,
1310                                                    pdwInOut, dwFlags);
1311 }
1312
1313 HRESULT WINAPI IDirectInputDevice7AImpl_EnumEffectsInFile(LPDIRECTINPUTDEVICE8A iface,
1314                                                           LPCSTR lpszFileName,
1315                                                           LPDIENUMEFFECTSINFILECALLBACK pec,
1316                                                           LPVOID pvRef,
1317                                                           DWORD dwFlags)
1318 {
1319     FIXME("(%p)->(%s,%p,%p,%08x): stub !\n", iface, lpszFileName, pec, pvRef, dwFlags);
1320     
1321     return DI_OK;
1322 }
1323
1324 HRESULT WINAPI IDirectInputDevice7WImpl_EnumEffectsInFile(LPDIRECTINPUTDEVICE8W iface,
1325                                                           LPCWSTR lpszFileName,
1326                                                           LPDIENUMEFFECTSINFILECALLBACK pec,
1327                                                           LPVOID pvRef,
1328                                                           DWORD dwFlags)
1329 {
1330     FIXME("(%p)->(%s,%p,%p,%08x): stub !\n", iface, debugstr_w(lpszFileName), pec, pvRef, dwFlags);
1331     
1332     return DI_OK;
1333 }
1334
1335 HRESULT WINAPI IDirectInputDevice7AImpl_WriteEffectToFile(LPDIRECTINPUTDEVICE8A iface,
1336                                                           LPCSTR lpszFileName,
1337                                                           DWORD dwEntries,
1338                                                           LPDIFILEEFFECT rgDiFileEft,
1339                                                           DWORD dwFlags)
1340 {
1341     FIXME("(%p)->(%s,%08x,%p,%08x): stub !\n", iface, lpszFileName, dwEntries, rgDiFileEft, dwFlags);
1342     
1343     return DI_OK;
1344 }
1345
1346 HRESULT WINAPI IDirectInputDevice7WImpl_WriteEffectToFile(LPDIRECTINPUTDEVICE8W iface,
1347                                                           LPCWSTR lpszFileName,
1348                                                           DWORD dwEntries,
1349                                                           LPDIFILEEFFECT rgDiFileEft,
1350                                                           DWORD dwFlags)
1351 {
1352     FIXME("(%p)->(%s,%08x,%p,%08x): stub !\n", iface, debugstr_w(lpszFileName), dwEntries, rgDiFileEft, dwFlags);
1353     
1354     return DI_OK;
1355 }
1356
1357 HRESULT WINAPI IDirectInputDevice8AImpl_BuildActionMap(LPDIRECTINPUTDEVICE8A iface,
1358                                                        LPDIACTIONFORMATA lpdiaf,
1359                                                        LPCSTR lpszUserName,
1360                                                        DWORD dwFlags)
1361 {
1362     FIXME("(%p)->(%p,%s,%08x): stub !\n", iface, lpdiaf, lpszUserName, dwFlags);
1363 #define X(x) if (dwFlags & x) FIXME("\tdwFlags =|"#x"\n");
1364         X(DIDBAM_DEFAULT)
1365         X(DIDBAM_PRESERVE)
1366         X(DIDBAM_INITIALIZE)
1367         X(DIDBAM_HWDEFAULTS)
1368 #undef X
1369     _dump_diactionformatA(lpdiaf);
1370     return DI_OK;
1371 }
1372
1373 HRESULT WINAPI IDirectInputDevice8WImpl_BuildActionMap(LPDIRECTINPUTDEVICE8W iface,
1374                                                        LPDIACTIONFORMATW lpdiaf,
1375                                                        LPCWSTR lpszUserName,
1376                                                        DWORD dwFlags)
1377 {
1378     FIXME("(%p)->(%p,%s,%08x): stub !\n", iface, lpdiaf, debugstr_w(lpszUserName), dwFlags);
1379 #define X(x) if (dwFlags & x) FIXME("\tdwFlags =|"#x"\n");
1380         X(DIDBAM_DEFAULT)
1381         X(DIDBAM_PRESERVE)
1382         X(DIDBAM_INITIALIZE)
1383         X(DIDBAM_HWDEFAULTS)
1384 #undef X
1385   
1386     return DI_OK;
1387 }
1388
1389 HRESULT WINAPI IDirectInputDevice8AImpl_SetActionMap(LPDIRECTINPUTDEVICE8A iface,
1390                                                      LPDIACTIONFORMATA lpdiaf,
1391                                                      LPCSTR lpszUserName,
1392                                                      DWORD dwFlags)
1393 {
1394     FIXME("(%p)->(%p,%s,%08x): stub !\n", iface, lpdiaf, lpszUserName, dwFlags);
1395     
1396     return DI_OK;
1397 }
1398
1399 HRESULT WINAPI IDirectInputDevice8WImpl_SetActionMap(LPDIRECTINPUTDEVICE8W iface,
1400                                                      LPDIACTIONFORMATW lpdiaf,
1401                                                      LPCWSTR lpszUserName,
1402                                                      DWORD dwFlags)
1403 {
1404     FIXME("(%p)->(%p,%s,%08x): stub !\n", iface, lpdiaf, debugstr_w(lpszUserName), dwFlags);
1405     
1406     return DI_OK;
1407 }
1408
1409 HRESULT WINAPI IDirectInputDevice8AImpl_GetImageInfo(LPDIRECTINPUTDEVICE8A iface,
1410                                                      LPDIDEVICEIMAGEINFOHEADERA lpdiDevImageInfoHeader)
1411 {
1412     FIXME("(%p)->(%p): stub !\n", iface, lpdiDevImageInfoHeader);
1413     
1414     return DI_OK;
1415 }
1416
1417 HRESULT WINAPI IDirectInputDevice8WImpl_GetImageInfo(LPDIRECTINPUTDEVICE8W iface,
1418                                                      LPDIDEVICEIMAGEINFOHEADERW lpdiDevImageInfoHeader)
1419 {
1420     FIXME("(%p)->(%p): stub !\n", iface, lpdiDevImageInfoHeader);
1421     
1422     return DI_OK;
1423 }