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   1 /*              DirectInput
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998,1999 Lionel Ulmer
   5  * Copyright 2000-2002 TransGaming Technologies Inc.
   6  * Copyright 2007 Vitaliy Margolen
   7  *
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23 /* Status:
  24  *
  25  * - Tomb Raider 2 Demo:
  26  *   Playable using keyboard only.
  27  * - WingCommander Prophecy Demo:
  28  *   Doesn't get Input Focus.
  29  *
  30  * - Fallout : works great in X and DGA mode
  31  */
  32
  33 #include "config.h"
  34 #include <assert.h>
  35 #include <stdarg.h>
  36 #include <string.h>
  37
  38 #define COBJMACROS
  39
  40 #include "wine/debug.h"
  41 #include "wine/unicode.h"
  42 #include "windef.h"
  43 #include "winbase.h"
  44 #include "winuser.h"
  45 #include "winerror.h"
  46 #include "dinput_private.h"
  47 #include "device_private.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  50
  51 static const IDirectInput7AVtbl ddi7avt;
  52 static const IDirectInput7WVtbl ddi7wvt;
  53 static const IDirectInput8AVtbl ddi8avt;
  54 static const IDirectInput8WVtbl ddi8wvt;
  55
  56 static inline IDirectInputImpl *impl_from_IDirectInput7W( IDirectInput7W *iface )
  57 {
  58     return CONTAINING_RECORD( iface, IDirectInputImpl, lpVtbl7w );
  59 }
  60
  61 static inline IDirectInputImpl *impl_from_IDirectInput8A( IDirectInput8A *iface )
  62 {
  63     return CONTAINING_RECORD( iface, IDirectInputImpl, lpVtbl8a );
  64 }
  65
  66 static inline IDirectInputImpl *impl_from_IDirectInput8W( IDirectInput8W *iface )
  67 {
  68     return CONTAINING_RECORD( iface, IDirectInputImpl, lpVtbl8w );
  69 }
  70
  71 static inline IDirectInput7W *IDirectInput7W_from_impl( IDirectInputImpl *iface )
  72 {
  73     return (IDirectInput7W *)(&iface->lpVtbl7w);
  74 }
  75
  76 static const struct dinput_device *dinput_devices[] =
  77 {
  78     &mouse_device,
  79     &keyboard_device,
  80     &joystick_linuxinput_device,
  81     &joystick_linux_device
  82 };
  83 #define NB_DINPUT_DEVICES (sizeof(dinput_devices)/sizeof(dinput_devices[0]))
  84
  85 HINSTANCE DINPUT_instance = NULL;
  86
  87 BOOL WINAPI DllMain( HINSTANCE inst, DWORD reason, LPVOID reserv)
  88 {
  89     switch(reason)
  90     {
  91       case DLL_PROCESS_ATTACH:
  92         DisableThreadLibraryCalls(inst);
  93         DINPUT_instance = inst;
  94         break;
  95       case DLL_PROCESS_DETACH:
  96         break;
  97     }
  98     return TRUE;
  99 }
 100
 101 static BOOL check_hook_thread(void);
 102 static CRITICAL_SECTION dinput_hook_crit;
 103 static struct list direct_input_list = LIST_INIT( direct_input_list );
 104
 105 /******************************************************************************
 106  *      DirectInputCreateEx (DINPUT.@)
 107  */
 108 HRESULT WINAPI DirectInputCreateEx(
 109         HINSTANCE hinst, DWORD dwVersion, REFIID riid, LPVOID *ppDI,
 110         LPUNKNOWN punkOuter)
 111 {
 112     IDirectInputImpl* This;
 113
 114     TRACE("(%p,%04x,%s,%p,%p)\n", hinst, dwVersion, debugstr_guid(riid), ppDI, punkOuter);
 115
 116     if (IsEqualGUID( &IID_IDirectInputA,  riid ) ||
 117         IsEqualGUID( &IID_IDirectInput2A, riid ) ||
 118         IsEqualGUID( &IID_IDirectInput7A, riid ) ||
 119         IsEqualGUID( &IID_IDirectInputW,  riid ) ||
 120         IsEqualGUID( &IID_IDirectInput2W, riid ) ||
 121         IsEqualGUID( &IID_IDirectInput7W, riid ) ||
 122         IsEqualGUID( &IID_IDirectInput8A, riid ) ||
 123         IsEqualGUID( &IID_IDirectInput8W, riid ))
 124     {
 125         if (!(This = HeapAlloc( GetProcessHeap(), 0, sizeof(IDirectInputImpl) )))
 126             return DIERR_OUTOFMEMORY;
 127     }
 128     else
 129         return DIERR_OLDDIRECTINPUTVERSION;
 130
 131     This->lpVtbl      = &ddi7avt;
 132     This->lpVtbl7w    = &ddi7wvt;
 133     This->lpVtbl8a    = &ddi8avt;
 134     This->lpVtbl8w    = &ddi8wvt;
 135     This->ref         = 0;
 136     This->dwVersion   = dwVersion;
 137     This->evsequence  = 1;
 138
 139     InitializeCriticalSection(&This->crit);
 140     This->crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": IDirectInputImpl*->crit");
 141
 142     list_init( &This->devices_list );
 143
 144     /* Add self to the list of the IDirectInputs */
 145     EnterCriticalSection( &dinput_hook_crit );
 146     list_add_head( &direct_input_list, &This->entry );
 147     LeaveCriticalSection( &dinput_hook_crit );
 148
 149     if (!check_hook_thread())
 150     {
 151         IUnknown_Release( (LPDIRECTINPUT7A)This );
 152         return DIERR_GENERIC;
 153     }
 154
 155     IDirectInput_QueryInterface( (IDirectInput7A *)This, riid, ppDI );
 156     return DI_OK;
 157 }
 158
 159 /******************************************************************************
 160  *      DirectInputCreateA (DINPUT.@)
 161  */
 162 HRESULT WINAPI DirectInputCreateA(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUTA *ppDI, LPUNKNOWN punkOuter)
 163 {
 164     return DirectInputCreateEx(hinst, dwVersion, &IID_IDirectInput7A, (LPVOID *)ppDI, punkOuter);
 165 }
 166
 167 /******************************************************************************
 168  *      DirectInputCreateW (DINPUT.@)
 169  */
 170 HRESULT WINAPI DirectInputCreateW(HINSTANCE hinst, DWORD dwVersion, LPDIRECTINPUTW *ppDI, LPUNKNOWN punkOuter)
 171 {
 172     return DirectInputCreateEx(hinst, dwVersion, &IID_IDirectInput7W, (LPVOID *)ppDI, punkOuter);
 173 }
 174
 175 static const char *_dump_DIDEVTYPE_value(DWORD dwDevType) {
 176     switch (dwDevType) {
 177         case 0: return "All devices";
 178         case DIDEVTYPE_MOUSE: return "DIDEVTYPE_MOUSE";
 179         case DIDEVTYPE_KEYBOARD: return "DIDEVTYPE_KEYBOARD";
 180         case DIDEVTYPE_JOYSTICK: return "DIDEVTYPE_JOYSTICK";
 181         case DIDEVTYPE_DEVICE: return "DIDEVTYPE_DEVICE";
 182         default: return "Unknown";
 183     }
 184 }
 185
 186 static void _dump_EnumDevices_dwFlags(DWORD dwFlags) {
 187     if (TRACE_ON(dinput)) {
 188         unsigned int   i;
 189         static const struct {
 190             DWORD       mask;
 191             const char  *name;
 192         } flags[] = {
 193 #define FE(x) { x, #x}
 194             FE(DIEDFL_ALLDEVICES),
 195             FE(DIEDFL_ATTACHEDONLY),
 196             FE(DIEDFL_FORCEFEEDBACK),
 197             FE(DIEDFL_INCLUDEALIASES),
 198             FE(DIEDFL_INCLUDEPHANTOMS)
 199 #undef FE
 200         };
 201         TRACE(" flags: ");
 202         if (dwFlags == 0) {
 203             TRACE("DIEDFL_ALLDEVICES");
 204             return;
 205         }
 206         for (i = 0; i < (sizeof(flags) / sizeof(flags[0])); i++)
 207             if (flags[i].mask & dwFlags)
 208                 TRACE("%s ",flags[i].name);
 209     }
 210     TRACE("\n");
 211 }
 212
 213 /******************************************************************************
 214  *      IDirectInputA_EnumDevices
 215  */
 216 static HRESULT WINAPI IDirectInputAImpl_EnumDevices(
 217         LPDIRECTINPUT7A iface, DWORD dwDevType, LPDIENUMDEVICESCALLBACKA lpCallback,
 218         LPVOID pvRef, DWORD dwFlags)
 219 {
 220     IDirectInputImpl *This = (IDirectInputImpl *)iface;
 221     DIDEVICEINSTANCEA devInstance;
 222     int i, j, r;
 223
 224     TRACE("(this=%p,0x%04x '%s',%p,%p,%04x)\n",
 225           This, dwDevType, _dump_DIDEVTYPE_value(dwDevType),
 226           lpCallback, pvRef, dwFlags);
 227     _dump_EnumDevices_dwFlags(dwFlags);
 228
 229     for (i = 0; i < NB_DINPUT_DEVICES; i++) {
 230         if (!dinput_devices[i]->enum_deviceA) continue;
 231         for (j = 0, r = -1; r != 0; j++) {
 232             devInstance.dwSize = sizeof(devInstance);
 233             TRACE("  - checking device %d ('%s')\n", i, dinput_devices[i]->name);
 234             if ((r = dinput_devices[i]->enum_deviceA(dwDevType, dwFlags, &devInstance, This->dwVersion, j))) {
 235                 if (lpCallback(&devInstance,pvRef) == DIENUM_STOP)
 236                     return 0;
 237             }
 238         }
 239     }
 240
 241     return 0;
 242 }
 243 /******************************************************************************
 244  *      IDirectInputW_EnumDevices
 245  */
 246 static HRESULT WINAPI IDirectInputWImpl_EnumDevices(
 247         LPDIRECTINPUT7W iface, DWORD dwDevType, LPDIENUMDEVICESCALLBACKW lpCallback,
 248         LPVOID pvRef, DWORD dwFlags)
 249 {
 250     IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 251     DIDEVICEINSTANCEW devInstance;
 252     int i, j, r;
 253
 254     TRACE("(this=%p,0x%04x '%s',%p,%p,%04x)\n",
 255           This, dwDevType, _dump_DIDEVTYPE_value(dwDevType),
 256           lpCallback, pvRef, dwFlags);
 257     _dump_EnumDevices_dwFlags(dwFlags);
 258
 259     for (i = 0; i < NB_DINPUT_DEVICES; i++) {
 260         if (!dinput_devices[i]->enum_deviceW) continue;
 261         for (j = 0, r = -1; r != 0; j++) {
 262             devInstance.dwSize = sizeof(devInstance);
 263             TRACE("  - checking device %d ('%s')\n", i, dinput_devices[i]->name);
 264             if ((r = dinput_devices[i]->enum_deviceW(dwDevType, dwFlags, &devInstance, This->dwVersion, j))) {
 265                 if (lpCallback(&devInstance,pvRef) == DIENUM_STOP)
 266                     return 0;
 267             }
 268         }
 269     }
 270
 271     return 0;
 272 }
 273
 274 static ULONG WINAPI IDirectInputAImpl_AddRef(LPDIRECTINPUT7A iface)
 275 {
 276     IDirectInputImpl *This = (IDirectInputImpl *)iface;
 277     ULONG ref = InterlockedIncrement(&This->ref);
 278
 279     TRACE( "(%p) incrementing from %d\n", This, ref - 1);
 280     return ref;
 281 }
 282
 283 static ULONG WINAPI IDirectInputWImpl_AddRef(LPDIRECTINPUT7W iface)
 284 {
 285     IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 286     return IDirectInputAImpl_AddRef( (IDirectInput7A *)This );
 287 }
 288
 289 static ULONG WINAPI IDirectInputAImpl_Release(LPDIRECTINPUT7A iface)
 290 {
 291     IDirectInputImpl *This = (IDirectInputImpl *)iface;
 292     ULONG ref = InterlockedDecrement( &This->ref );
 293
 294     TRACE( "(%p) releasing from %d\n", This, ref + 1 );
 295
 296     if (ref) return ref;
 297
 298     /* Remove self from the list of the IDirectInputs */
 299     EnterCriticalSection( &dinput_hook_crit );
 300     list_remove( &This->entry );
 301     LeaveCriticalSection( &dinput_hook_crit );
 302
 303     check_hook_thread();
 304
 305     This->crit.DebugInfo->Spare[0] = 0;
 306     DeleteCriticalSection( &This->crit );
 307     HeapFree( GetProcessHeap(), 0, This );
 308
 309     return 0;
 310 }
 311
 312 static ULONG WINAPI IDirectInputWImpl_Release(LPDIRECTINPUT7W iface)
 313 {
 314     IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 315     return IDirectInputAImpl_Release( (IDirectInput7A *)This );
 316 }
 317
 318 static HRESULT WINAPI IDirectInputAImpl_QueryInterface(LPDIRECTINPUT7A iface, REFIID riid, LPVOID *ppobj)
 319 {
 320     IDirectInputImpl *This = (IDirectInputImpl *)iface;
 321
 322     TRACE( "(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppobj );
 323
 324     if (IsEqualGUID( &IID_IUnknown, riid ) ||
 325         IsEqualGUID( &IID_IDirectInputA,  riid ) ||
 326         IsEqualGUID( &IID_IDirectInput2A, riid ) ||
 327         IsEqualGUID( &IID_IDirectInput7A, riid ))
 328     {
 329         *ppobj = &This->lpVtbl;
 330         IUnknown_AddRef( (IUnknown*)*ppobj );
 331
 332         return DI_OK;
 333     }
 334
 335     if (IsEqualGUID( &IID_IDirectInputW,  riid ) ||
 336         IsEqualGUID( &IID_IDirectInput2W, riid ) ||
 337         IsEqualGUID( &IID_IDirectInput7W, riid ))
 338     {
 339         *ppobj = &This->lpVtbl7w;
 340         IUnknown_AddRef( (IUnknown*)*ppobj );
 341
 342         return DI_OK;
 343     }
 344
 345     if (IsEqualGUID( &IID_IDirectInput8A, riid ))
 346     {
 347         *ppobj = &This->lpVtbl8a;
 348         IUnknown_AddRef( (IUnknown*)*ppobj );
 349
 350         return DI_OK;
 351     }
 352
 353     if (IsEqualGUID( &IID_IDirectInput8W, riid ))
 354     {
 355         *ppobj = &This->lpVtbl8w;
 356         IUnknown_AddRef( (IUnknown*)*ppobj );
 357
 358         return DI_OK;
 359     }
 360
 361     FIXME( "Unsupported interface !\n" );
 362     return E_FAIL;
 363 }
 364
 365 static HRESULT WINAPI IDirectInputWImpl_QueryInterface(LPDIRECTINPUT7W iface, REFIID riid, LPVOID *ppobj)
 366 {
 367     IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 368     return IDirectInputAImpl_QueryInterface( (IDirectInput7A *)This, riid, ppobj );
 369 }
 370
 371 static HRESULT WINAPI IDirectInputAImpl_Initialize(LPDIRECTINPUT7A iface, HINSTANCE hinst, DWORD x) {
 372         TRACE("(this=%p,%p,%x)\n",iface, hinst, x);
 373
 374         /* Initialize can return: DIERR_BETADIRECTINPUTVERSION, DIERR_OLDDIRECTINPUTVERSION and DI_OK.
 375          * Since we already initialized the device, return DI_OK. In the past we returned DIERR_ALREADYINITIALIZED
 376          * which broke applications like Tomb Raider Legend because it isn't a legal return value.
 377          */
 378         return DI_OK;
 379 }
 380
 381 static HRESULT WINAPI IDirectInputWImpl_Initialize(LPDIRECTINPUT7W iface, HINSTANCE hinst, DWORD x)
 382 {
 383     IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 384     return IDirectInputAImpl_Initialize( (IDirectInput7A *)This, hinst, x );
 385 }
 386
 387 static HRESULT WINAPI IDirectInputAImpl_GetDeviceStatus(LPDIRECTINPUT7A iface, REFGUID rguid)
 388 {
 389     IDirectInputImpl *This = (IDirectInputImpl *)iface;
 390
 391     FIXME( "(%p)->(%s): stub\n", This, debugstr_guid(rguid) );
 392
 393     return DI_OK;
 394 }
 395
 396 static HRESULT WINAPI IDirectInputWImpl_GetDeviceStatus(LPDIRECTINPUT7W iface, REFGUID rguid)
 397 {
 398     IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 399     return IDirectInputAImpl_GetDeviceStatus( (IDirectInput7A *)This, rguid );
 400 }
 401
 402 static HRESULT WINAPI IDirectInputAImpl_RunControlPanel(LPDIRECTINPUT7A iface,
 403                                                         HWND hwndOwner,
 404                                                         DWORD dwFlags)
 405 {
 406     IDirectInputImpl *This = (IDirectInputImpl *)iface;
 407
 408     FIXME( "(%p)->(%p,%08x): stub\n", This, hwndOwner, dwFlags );
 409
 410     return DI_OK;
 411 }
 412
 413 static HRESULT WINAPI IDirectInputWImpl_RunControlPanel(LPDIRECTINPUT7W iface, HWND hwndOwner, DWORD dwFlags)
 414 {
 415     IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 416     return IDirectInputAImpl_RunControlPanel( (IDirectInput7A *)This, hwndOwner, dwFlags );
 417 }
 418
 419 static HRESULT WINAPI IDirectInput2AImpl_FindDevice(LPDIRECTINPUT7A iface, REFGUID rguid,
 420                                                     LPCSTR pszName, LPGUID pguidInstance)
 421 {
 422     IDirectInputImpl *This = (IDirectInputImpl *)iface;
 423
 424     FIXME( "(%p)->(%s, %s, %p): stub\n", This, debugstr_guid(rguid), pszName, pguidInstance );
 425
 426     return DI_OK;
 427 }
 428
 429 static HRESULT WINAPI IDirectInput2WImpl_FindDevice(LPDIRECTINPUT7W iface, REFGUID rguid,
 430                                                     LPCWSTR pszName, LPGUID pguidInstance)
 431 {
 432     IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 433
 434     FIXME( "(%p)->(%s, %s, %p): stub\n", This, debugstr_guid(rguid), debugstr_w(pszName), pguidInstance );
 435
 436     return DI_OK;
 437 }
 438
 439 static HRESULT WINAPI IDirectInput7AImpl_CreateDeviceEx(LPDIRECTINPUT7A iface, REFGUID rguid,
 440                                                         REFIID riid, LPVOID* pvOut, LPUNKNOWN lpUnknownOuter)
 441 {
 442   IDirectInputImpl *This = (IDirectInputImpl *)iface;
 443   HRESULT ret_value = DIERR_DEVICENOTREG;
 444   int i;
 445
 446   TRACE("(%p)->(%s, %s, %p, %p)\n", This, debugstr_guid(rguid), debugstr_guid(riid), pvOut, lpUnknownOuter);
 447
 448   if (!rguid || !pvOut) return E_POINTER;
 449
 450   /* Loop on all the devices to see if anyone matches the given GUID */
 451   for (i = 0; i < NB_DINPUT_DEVICES; i++) {
 452     HRESULT ret;
 453
 454     if (!dinput_devices[i]->create_deviceA) continue;
 455     if ((ret = dinput_devices[i]->create_deviceA(This, rguid, riid, (LPDIRECTINPUTDEVICEA*) pvOut)) == DI_OK)
 456     {
 457       EnterCriticalSection( &This->crit );
 458       list_add_tail( &This->devices_list, &(*(IDirectInputDevice2AImpl**)pvOut)->entry );
 459       LeaveCriticalSection( &This->crit );
 460       return DI_OK;
 461     }
 462
 463     if (ret == DIERR_NOINTERFACE)
 464       ret_value = DIERR_NOINTERFACE;
 465   }
 466
 467   if (ret_value == DIERR_NOINTERFACE)
 468   {
 469     WARN("invalid device GUID %s\n", debugstr_guid(rguid));
 470   }
 471
 472   return ret_value;
 473 }
 474
 475 static HRESULT WINAPI IDirectInput7WImpl_CreateDeviceEx(LPDIRECTINPUT7W iface, REFGUID rguid,
 476                                                         REFIID riid, LPVOID* pvOut, LPUNKNOWN lpUnknownOuter)
 477 {
 478   IDirectInputImpl *This = impl_from_IDirectInput7W( iface );
 479   HRESULT ret_value = DIERR_DEVICENOTREG;
 480   int i;
 481
 482   TRACE("(%p)->(%s, %s, %p, %p)\n", This, debugstr_guid(rguid), debugstr_guid(riid), pvOut, lpUnknownOuter);
 483
 484   if (!rguid || !pvOut) return E_POINTER;
 485
 486   /* Loop on all the devices to see if anyone matches the given GUID */
 487   for (i = 0; i < NB_DINPUT_DEVICES; i++) {
 488     HRESULT ret;
 489
 490     if (!dinput_devices[i]->create_deviceW) continue;
 491     if ((ret = dinput_devices[i]->create_deviceW(This, rguid, riid, (LPDIRECTINPUTDEVICEW*) pvOut)) == DI_OK)
 492     {
 493       EnterCriticalSection( &This->crit );
 494       list_add_tail( &This->devices_list, &(*(IDirectInputDevice2AImpl**)pvOut)->entry );
 495       LeaveCriticalSection( &This->crit );
 496       return DI_OK;
 497     }
 498
 499     if (ret == DIERR_NOINTERFACE)
 500       ret_value = DIERR_NOINTERFACE;
 501   }
 502
 503   return ret_value;
 504 }
 505
 506 static HRESULT WINAPI IDirectInputAImpl_CreateDevice(LPDIRECTINPUT7A iface, REFGUID rguid,
 507                                                      LPDIRECTINPUTDEVICEA* pdev, LPUNKNOWN punk)
 508 {
 509     return IDirectInput7AImpl_CreateDeviceEx(iface, rguid, NULL, (LPVOID*)pdev, punk);
 510 }
 511
 512 static HRESULT WINAPI IDirectInputWImpl_CreateDevice(LPDIRECTINPUT7W iface, REFGUID rguid,
 513                                                      LPDIRECTINPUTDEVICEW* pdev, LPUNKNOWN punk)
 514 {
 515     return IDirectInput7WImpl_CreateDeviceEx(iface, rguid, NULL, (LPVOID*)pdev, punk);
 516 }
 517
 518 /*******************************************************************************
 519  *      DirectInput8
 520  */
 521
 522 static ULONG WINAPI IDirectInput8AImpl_AddRef(LPDIRECTINPUT8A iface)
 523 {
 524     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 525     return IDirectInputAImpl_AddRef( (IDirectInput7A *)This );
 526 }
 527
 528 static ULONG WINAPI IDirectInput8WImpl_AddRef(LPDIRECTINPUT8W iface)
 529 {
 530     IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 531     return IDirectInputAImpl_AddRef( (IDirectInput7A *)This );
 532 }
 533
 534 static HRESULT WINAPI IDirectInput8AImpl_QueryInterface(LPDIRECTINPUT8A iface, REFIID riid, LPVOID *ppobj)
 535 {
 536     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 537     return IDirectInputAImpl_QueryInterface( (IDirectInput7A *)This, riid, ppobj );
 538 }
 539
 540 static HRESULT WINAPI IDirectInput8WImpl_QueryInterface(LPDIRECTINPUT8W iface, REFIID riid, LPVOID *ppobj)
 541 {
 542     IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 543     return IDirectInputAImpl_QueryInterface( (IDirectInput7A *)This, riid, ppobj );
 544 }
 545
 546 static ULONG WINAPI IDirectInput8AImpl_Release(LPDIRECTINPUT8A iface)
 547 {
 548     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 549     return IDirectInputAImpl_Release( (IDirectInput7A *)This );
 550 }
 551
 552 static ULONG WINAPI IDirectInput8WImpl_Release(LPDIRECTINPUT8W iface)
 553 {
 554     IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 555     return IDirectInputAImpl_Release( (IDirectInput7A *)This );
 556 }
 557
 558 static HRESULT WINAPI IDirectInput8AImpl_CreateDevice(LPDIRECTINPUT8A iface, REFGUID rguid,
 559                                                       LPDIRECTINPUTDEVICE8A* pdev, LPUNKNOWN punk)
 560 {
 561     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 562     return IDirectInput7AImpl_CreateDeviceEx( (IDirectInput7A *)This, rguid, NULL, (LPVOID*)pdev, punk );
 563 }
 564
 565 static HRESULT WINAPI IDirectInput8WImpl_CreateDevice(LPDIRECTINPUT8W iface, REFGUID rguid,
 566                                                       LPDIRECTINPUTDEVICE8W* pdev, LPUNKNOWN punk)
 567 {
 568     IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 569     return IDirectInput7WImpl_CreateDeviceEx( IDirectInput7W_from_impl( This ), rguid, NULL, (LPVOID*)pdev, punk );
 570 }
 571
 572 static HRESULT WINAPI IDirectInput8AImpl_EnumDevices(LPDIRECTINPUT8A iface, DWORD dwDevType, LPDIENUMDEVICESCALLBACKA lpCallback,
 573                                                      LPVOID pvRef, DWORD dwFlags)
 574 {
 575     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 576     return IDirectInputAImpl_EnumDevices( (IDirectInput7A *)This, dwDevType, lpCallback, pvRef, dwFlags );
 577 }
 578
 579 static HRESULT WINAPI IDirectInput8WImpl_EnumDevices(LPDIRECTINPUT8W iface, DWORD dwDevType, LPDIENUMDEVICESCALLBACKW lpCallback,
 580                                                      LPVOID pvRef, DWORD dwFlags)
 581 {
 582     IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 583     return IDirectInputWImpl_EnumDevices( IDirectInput7W_from_impl( This ), dwDevType, lpCallback, pvRef, dwFlags );
 584 }
 585
 586 static HRESULT WINAPI IDirectInput8AImpl_GetDeviceStatus(LPDIRECTINPUT8A iface, REFGUID rguid)
 587 {
 588     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 589     return IDirectInputAImpl_GetDeviceStatus( (IDirectInput7A *)This, rguid );
 590 }
 591
 592 static HRESULT WINAPI IDirectInput8WImpl_GetDeviceStatus(LPDIRECTINPUT8W iface, REFGUID rguid)
 593 {
 594     IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 595     return IDirectInputAImpl_GetDeviceStatus( (IDirectInput7A *)This, rguid );
 596 }
 597
 598 static HRESULT WINAPI IDirectInput8AImpl_RunControlPanel(LPDIRECTINPUT8A iface, HWND hwndOwner, DWORD dwFlags)
 599 {
 600     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 601     return IDirectInputAImpl_RunControlPanel( (IDirectInput7A *)This, hwndOwner, dwFlags );
 602 }
 603
 604 static HRESULT WINAPI IDirectInput8WImpl_RunControlPanel(LPDIRECTINPUT8W iface, HWND hwndOwner, DWORD dwFlags)
 605 {
 606     IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 607     return IDirectInputAImpl_RunControlPanel( (IDirectInput7A *)This, hwndOwner, dwFlags );
 608 }
 609
 610 static HRESULT WINAPI IDirectInput8AImpl_Initialize(LPDIRECTINPUT8A iface, HINSTANCE hinst, DWORD x)
 611 {
 612     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 613     return IDirectInputAImpl_Initialize( (IDirectInput7A *)This, hinst, x );
 614 }
 615
 616 static HRESULT WINAPI IDirectInput8WImpl_Initialize(LPDIRECTINPUT8W iface, HINSTANCE hinst, DWORD x)
 617 {
 618     IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 619     return IDirectInputAImpl_Initialize( (IDirectInput7A *)This, hinst, x );
 620 }
 621
 622 static HRESULT WINAPI IDirectInput8AImpl_FindDevice(LPDIRECTINPUT8A iface, REFGUID rguid, LPCSTR pszName, LPGUID pguidInstance)
 623 {
 624     IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 625     return IDirectInput2AImpl_FindDevice( (IDirectInput7A *)This, rguid, pszName, pguidInstance );
 626 }
 627
 628 static HRESULT WINAPI IDirectInput8WImpl_FindDevice(LPDIRECTINPUT8W iface, REFGUID rguid, LPCWSTR pszName, LPGUID pguidInstance)
 629 {
 630     IDirectInput7W *This = IDirectInput7W_from_impl( impl_from_IDirectInput8W( iface ) );
 631     return IDirectInput2WImpl_FindDevice( This, rguid, pszName, pguidInstance );
 632 }
 633
 634 static HRESULT WINAPI IDirectInput8AImpl_EnumDevicesBySemantics(
 635       LPDIRECTINPUT8A iface, LPCSTR ptszUserName, LPDIACTIONFORMATA lpdiActionFormat,
 636       LPDIENUMDEVICESBYSEMANTICSCBA lpCallback,
 637       LPVOID pvRef, DWORD dwFlags
 638 )
 639 {
 640       IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 641
 642       FIXME("(this=%p,%s,%p,%p,%p,%04x): stub\n", This, ptszUserName, lpdiActionFormat,
 643             lpCallback, pvRef, dwFlags);
 644       return 0;
 645 }
 646
 647 static HRESULT WINAPI IDirectInput8WImpl_EnumDevicesBySemantics(
 648       LPDIRECTINPUT8W iface, LPCWSTR ptszUserName, LPDIACTIONFORMATW lpdiActionFormat,
 649       LPDIENUMDEVICESBYSEMANTICSCBW lpCallback,
 650       LPVOID pvRef, DWORD dwFlags
 651 )
 652 {
 653       IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 654
 655       FIXME("(this=%p,%s,%p,%p,%p,%04x): stub\n", This, debugstr_w(ptszUserName), lpdiActionFormat,
 656             lpCallback, pvRef, dwFlags);
 657       return 0;
 658 }
 659
 660 static HRESULT WINAPI IDirectInput8AImpl_ConfigureDevices(
 661       LPDIRECTINPUT8A iface, LPDICONFIGUREDEVICESCALLBACK lpdiCallback,
 662       LPDICONFIGUREDEVICESPARAMSA lpdiCDParams, DWORD dwFlags, LPVOID pvRefData
 663 )
 664 {
 665       IDirectInputImpl *This = impl_from_IDirectInput8A( iface );
 666
 667       FIXME("(this=%p,%p,%p,%04x,%p): stub\n", This, lpdiCallback, lpdiCDParams,
 668             dwFlags, pvRefData);
 669       return 0;
 670 }
 671
 672 static HRESULT WINAPI IDirectInput8WImpl_ConfigureDevices(
 673       LPDIRECTINPUT8W iface, LPDICONFIGUREDEVICESCALLBACK lpdiCallback,
 674       LPDICONFIGUREDEVICESPARAMSW lpdiCDParams, DWORD dwFlags, LPVOID pvRefData
 675 )
 676 {
 677       IDirectInputImpl *This = impl_from_IDirectInput8W( iface );
 678
 679       FIXME("(this=%p,%p,%p,%04x,%p): stub\n", This, lpdiCallback, lpdiCDParams,
 680             dwFlags, pvRefData);
 681       return 0;
 682 }
 683
 684 static const IDirectInput7AVtbl ddi7avt = {
 685     IDirectInputAImpl_QueryInterface,
 686     IDirectInputAImpl_AddRef,
 687     IDirectInputAImpl_Release,
 688     IDirectInputAImpl_CreateDevice,
 689     IDirectInputAImpl_EnumDevices,
 690     IDirectInputAImpl_GetDeviceStatus,
 691     IDirectInputAImpl_RunControlPanel,
 692     IDirectInputAImpl_Initialize,
 693     IDirectInput2AImpl_FindDevice,
 694     IDirectInput7AImpl_CreateDeviceEx
 695 };
 696
 697 static const IDirectInput7WVtbl ddi7wvt = {
 698     IDirectInputWImpl_QueryInterface,
 699     IDirectInputWImpl_AddRef,
 700     IDirectInputWImpl_Release,
 701     IDirectInputWImpl_CreateDevice,
 702     IDirectInputWImpl_EnumDevices,
 703     IDirectInputWImpl_GetDeviceStatus,
 704     IDirectInputWImpl_RunControlPanel,
 705     IDirectInputWImpl_Initialize,
 706     IDirectInput2WImpl_FindDevice,
 707     IDirectInput7WImpl_CreateDeviceEx
 708 };
 709
 710 static const IDirectInput8AVtbl ddi8avt = {
 711     IDirectInput8AImpl_QueryInterface,
 712     IDirectInput8AImpl_AddRef,
 713     IDirectInput8AImpl_Release,
 714     IDirectInput8AImpl_CreateDevice,
 715     IDirectInput8AImpl_EnumDevices,
 716     IDirectInput8AImpl_GetDeviceStatus,
 717     IDirectInput8AImpl_RunControlPanel,
 718     IDirectInput8AImpl_Initialize,
 719     IDirectInput8AImpl_FindDevice,
 720     IDirectInput8AImpl_EnumDevicesBySemantics,
 721     IDirectInput8AImpl_ConfigureDevices
 722 };
 723
 724 static const IDirectInput8WVtbl ddi8wvt = {
 725     IDirectInput8WImpl_QueryInterface,
 726     IDirectInput8WImpl_AddRef,
 727     IDirectInput8WImpl_Release,
 728     IDirectInput8WImpl_CreateDevice,
 729     IDirectInput8WImpl_EnumDevices,
 730     IDirectInput8WImpl_GetDeviceStatus,
 731     IDirectInput8WImpl_RunControlPanel,
 732     IDirectInput8WImpl_Initialize,
 733     IDirectInput8WImpl_FindDevice,
 734     IDirectInput8WImpl_EnumDevicesBySemantics,
 735     IDirectInput8WImpl_ConfigureDevices
 736 };
 737
 738 /*******************************************************************************
 739  * DirectInput ClassFactory
 740  */
 741 typedef struct
 742 {
 743     /* IUnknown fields */
 744     const IClassFactoryVtbl    *lpVtbl;
 745     LONG                        ref;
 746 } IClassFactoryImpl;
 747
 748 static HRESULT WINAPI DICF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj) {
 749         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 750
 751         FIXME("(%p)->(%s,%p),stub!\n",This,debugstr_guid(riid),ppobj);
 752         return E_NOINTERFACE;
 753 }
 754
 755 static ULONG WINAPI DICF_AddRef(LPCLASSFACTORY iface) {
 756         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 757         return InterlockedIncrement(&(This->ref));
 758 }
 759
 760 static ULONG WINAPI DICF_Release(LPCLASSFACTORY iface) {
 761         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 762         /* static class, won't be  freed */
 763         return InterlockedDecrement(&(This->ref));
 764 }
 765
 766 static HRESULT WINAPI DICF_CreateInstance(
 767         LPCLASSFACTORY iface,LPUNKNOWN pOuter,REFIID riid,LPVOID *ppobj
 768 ) {
 769         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 770
 771         TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 772         if ( IsEqualGUID( &IID_IDirectInputA, riid ) ||
 773              IsEqualGUID( &IID_IDirectInputW, riid ) ||
 774              IsEqualGUID( &IID_IDirectInput2A, riid ) ||
 775              IsEqualGUID( &IID_IDirectInput2W, riid ) ||
 776              IsEqualGUID( &IID_IDirectInput7A, riid ) ||
 777              IsEqualGUID( &IID_IDirectInput7W, riid ) ||
 778              IsEqualGUID( &IID_IDirectInput8A, riid ) ||
 779              IsEqualGUID( &IID_IDirectInput8W, riid ) ) {
 780                 /* FIXME: reuse already created dinput if present? */
 781                 return DirectInputCreateEx(0,0,riid,ppobj,pOuter);
 782         }
 783
 784         FIXME("(%p,%p,%s,%p) Interface not found!\n",This,pOuter,debugstr_guid(riid),ppobj);
 785         return E_NOINTERFACE;
 786 }
 787
 788 static HRESULT WINAPI DICF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 789         IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 790         FIXME("(%p)->(%d),stub!\n",This,dolock);
 791         return S_OK;
 792 }
 793
 794 static const IClassFactoryVtbl DICF_Vtbl = {
 795         DICF_QueryInterface,
 796         DICF_AddRef,
 797         DICF_Release,
 798         DICF_CreateInstance,
 799         DICF_LockServer
 800 };
 801 static IClassFactoryImpl DINPUT_CF = {&DICF_Vtbl, 1 };
 802
 803 /***********************************************************************
 804  *              DllCanUnloadNow (DINPUT.@)
 805  */
 806 HRESULT WINAPI DllCanUnloadNow(void)
 807 {
 808     FIXME("(void): stub\n");
 809
 810     return S_FALSE;
 811 }
 812
 813 /***********************************************************************
 814  *              DllGetClassObject (DINPUT.@)
 815  */
 816 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 817 {
 818     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 819     if ( IsEqualCLSID( &IID_IClassFactory, riid ) ) {
 820         *ppv = (LPVOID)&DINPUT_CF;
 821         IClassFactory_AddRef((IClassFactory*)*ppv);
 822     return S_OK;
 823     }
 824
 825     FIXME("(%s,%s,%p): no interface found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 826     return CLASS_E_CLASSNOTAVAILABLE;
 827 }
 828
 829 /******************************************************************************
 830  *      DInput hook thread
 831  */
 832
 833 static LRESULT CALLBACK LL_hook_proc( int code, WPARAM wparam, LPARAM lparam )
 834 {
 835     IDirectInputImpl *dinput;
 836
 837     if (code != HC_ACTION) return CallNextHookEx( 0, code, wparam, lparam );
 838
 839     EnterCriticalSection( &dinput_hook_crit );
 840     LIST_FOR_EACH_ENTRY( dinput, &direct_input_list, IDirectInputImpl, entry )
 841     {
 842         IDirectInputDevice2AImpl *dev;
 843
 844         EnterCriticalSection( &dinput->crit );
 845         LIST_FOR_EACH_ENTRY( dev, &dinput->devices_list, IDirectInputDevice2AImpl, entry )
 846             if (dev->acquired && dev->event_proc)
 847             {
 848                 TRACE("calling %p->%p (%lx %lx)\n", dev, dev->event_proc, wparam, lparam);
 849                 dev->event_proc( (LPDIRECTINPUTDEVICE8A)dev, wparam, lparam );
 850             }
 851         LeaveCriticalSection( &dinput->crit );
 852     }
 853     LeaveCriticalSection( &dinput_hook_crit );
 854
 855     return CallNextHookEx( 0, code, wparam, lparam );
 856 }
 857
 858 static LRESULT CALLBACK callwndproc_proc( int code, WPARAM wparam, LPARAM lparam )
 859 {
 860     CWPSTRUCT *msg = (CWPSTRUCT *)lparam;
 861     IDirectInputImpl *dinput;
 862     HWND foreground;
 863
 864     if (code != HC_ACTION || (msg->message != WM_KILLFOCUS &&
 865         msg->message != WM_ACTIVATEAPP && msg->message != WM_ACTIVATE))
 866         return CallNextHookEx( 0, code, wparam, lparam );
 867
 868     foreground = GetForegroundWindow();
 869
 870     EnterCriticalSection( &dinput_hook_crit );
 871
 872     LIST_FOR_EACH_ENTRY( dinput, &direct_input_list, IDirectInputImpl, entry )
 873     {
 874         IDirectInputDevice2AImpl *dev;
 875
 876         EnterCriticalSection( &dinput->crit );
 877         LIST_FOR_EACH_ENTRY( dev, &dinput->devices_list, IDirectInputDevice2AImpl, entry )
 878         {
 879             if (!dev->acquired) continue;
 880
 881             if (msg->hwnd == dev->win && msg->hwnd != foreground)
 882             {
 883                 TRACE( "%p window is not foreground - unacquiring %p\n", dev->win, dev );
 884                 IDirectInputDevice_Unacquire( (LPDIRECTINPUTDEVICE8A)dev );
 885             }
 886         }
 887         LeaveCriticalSection( &dinput->crit );
 888     }
 889     LeaveCriticalSection( &dinput_hook_crit );
 890
 891     return CallNextHookEx( 0, code, wparam, lparam );
 892 }
 893
 894 static DWORD WINAPI hook_thread_proc(void *param)
 895 {
 896     static HHOOK kbd_hook, mouse_hook;
 897     MSG msg;
 898
 899     /* Force creation of the message queue */
 900     PeekMessageW( &msg, 0, 0, 0, PM_NOREMOVE );
 901     SetEvent(*(LPHANDLE)param);
 902
 903     while (GetMessageW( &msg, 0, 0, 0 ))
 904     {
 905         UINT kbd_cnt = 0, mice_cnt = 0;
 906
 907         if (msg.message == WM_USER+0x10)
 908         {
 909             IDirectInputImpl *dinput;
 910
 911             TRACE( "Processing hook change notification lp:%ld\n", msg.lParam );
 912
 913             if (!msg.wParam && !msg.lParam)
 914             {
 915                 if (kbd_hook) UnhookWindowsHookEx( kbd_hook );
 916                 if (mouse_hook) UnhookWindowsHookEx( mouse_hook );
 917                 kbd_hook = mouse_hook = NULL;
 918                 break;
 919             }
 920
 921             EnterCriticalSection( &dinput_hook_crit );
 922
 923             /* Count acquired keyboards and mice*/
 924             LIST_FOR_EACH_ENTRY( dinput, &direct_input_list, IDirectInputImpl, entry )
 925             {
 926                 IDirectInputDevice2AImpl *dev;
 927
 928                 EnterCriticalSection( &dinput->crit );
 929                 LIST_FOR_EACH_ENTRY( dev, &dinput->devices_list, IDirectInputDevice2AImpl, entry )
 930                 {
 931                     if (!dev->acquired || !dev->event_proc) continue;
 932
 933                     if (IsEqualGUID( &dev->guid, &GUID_SysKeyboard ) ||
 934                         IsEqualGUID( &dev->guid, &DInput_Wine_Keyboard_GUID ))
 935                         kbd_cnt++;
 936                     else
 937                         if (IsEqualGUID( &dev->guid, &GUID_SysMouse ) ||
 938                             IsEqualGUID( &dev->guid, &DInput_Wine_Mouse_GUID ))
 939                             mice_cnt++;
 940                 }
 941                 LeaveCriticalSection( &dinput->crit );
 942             }
 943             LeaveCriticalSection( &dinput_hook_crit );
 944
 945             if (kbd_cnt && !kbd_hook)
 946                 kbd_hook = SetWindowsHookExW( WH_KEYBOARD_LL, LL_hook_proc, DINPUT_instance, 0 );
 947             else if (!kbd_cnt && kbd_hook)
 948             {
 949                 UnhookWindowsHookEx( kbd_hook );
 950                 kbd_hook = NULL;
 951             }
 952
 953             if (mice_cnt && !mouse_hook)
 954                 mouse_hook = SetWindowsHookExW( WH_MOUSE_LL, LL_hook_proc, DINPUT_instance, 0 );
 955             else if (!mice_cnt && mouse_hook)
 956             {
 957                 UnhookWindowsHookEx( mouse_hook );
 958                 mouse_hook = NULL;
 959             }
 960         }
 961         TranslateMessage(&msg);
 962         DispatchMessageW(&msg);
 963     }
 964
 965     return 0;
 966 }
 967
 968 static DWORD hook_thread_id;
 969
 970 static CRITICAL_SECTION_DEBUG dinput_critsect_debug =
 971 {
 972     0, 0, &dinput_hook_crit,
 973     { &dinput_critsect_debug.ProcessLocksList, &dinput_critsect_debug.ProcessLocksList },
 974       0, 0, { (DWORD_PTR)(__FILE__ ": dinput_hook_crit") }
 975 };
 976 static CRITICAL_SECTION dinput_hook_crit = { &dinput_critsect_debug, -1, 0, 0, 0, 0 };
 977
 978 static BOOL check_hook_thread(void)
 979 {
 980     static HANDLE hook_thread;
 981
 982     EnterCriticalSection(&dinput_hook_crit);
 983
 984     TRACE("IDirectInputs left: %d\n", list_count(&direct_input_list));
 985     if (!list_empty(&direct_input_list) && !hook_thread)
 986     {
 987         HANDLE event;
 988
 989         event = CreateEventW(NULL, FALSE, FALSE, NULL);
 990         hook_thread = CreateThread(NULL, 0, hook_thread_proc, &event, 0, &hook_thread_id);
 991         if (event && hook_thread)
 992         {
 993             HANDLE handles[2];
 994             handles[0] = event;
 995             handles[1] = hook_thread;
 996             WaitForMultipleObjects(2, handles, FALSE, INFINITE);
 997         }
 998         LeaveCriticalSection(&dinput_hook_crit);
 999         CloseHandle(event);
1000     }
1001     else if (list_empty(&direct_input_list) && hook_thread)
1002     {
1003         DWORD tid = hook_thread_id;
1004
1005         hook_thread_id = 0;
1006         PostThreadMessageW(tid, WM_USER+0x10, 0, 0);
1007         LeaveCriticalSection(&dinput_hook_crit);
1008
1009         /* wait for hook thread to exit */
1010         WaitForSingleObject(hook_thread, INFINITE);
1011         CloseHandle(hook_thread);
1012         hook_thread = NULL;
1013     }
1014     else
1015         LeaveCriticalSection(&dinput_hook_crit);
1016
1017     return hook_thread_id != 0;
1018 }
1019
1020 void check_dinput_hooks(LPDIRECTINPUTDEVICE8A iface)
1021 {
1022     static HHOOK callwndproc_hook;
1023     static ULONG foreground_cnt;
1024     IDirectInputDevice2AImpl *dev = (IDirectInputDevice2AImpl *)iface;
1025
1026     EnterCriticalSection(&dinput_hook_crit);
1027
1028     if (dev->dwCoopLevel & DISCL_FOREGROUND)
1029     {
1030         if (dev->acquired)
1031             foreground_cnt++;
1032         else
1033             foreground_cnt--;
1034     }
1035
1036     if (foreground_cnt && !callwndproc_hook)
1037         callwndproc_hook = SetWindowsHookExW( WH_CALLWNDPROC, callwndproc_proc,
1038                                               DINPUT_instance, GetCurrentThreadId() );
1039     else if (!foreground_cnt && callwndproc_hook)
1040     {
1041         UnhookWindowsHookEx( callwndproc_hook );
1042         callwndproc_hook = NULL;
1043     }
1044
1045     PostThreadMessageW( hook_thread_id, WM_USER+0x10, 1, 0 );
1046
1047     LeaveCriticalSection(&dinput_hook_crit);
1048 }