dlls/user/driver.c

   1 /*
   2  * USER driver support
   3  *
   4  * Copyright 2000, 2005 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26
  27 #include "user_private.h"
  28 #include "wine/debug.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(user);
  31
  32 static const USER_DRIVER null_driver, lazy_load_driver;
  33
  34 const USER_DRIVER *USER_Driver = &lazy_load_driver;
  35
  36 /* load the graphics driver */
  37 static const USER_DRIVER *load_driver(void)
  38 {
  39     char buffer[MAX_PATH], libname[32], *name, *next;
  40     HKEY hkey;
  41     void *ptr;
  42     HMODULE graphics_driver;
  43     USER_DRIVER *driver, *prev;
  44
  45     strcpy( buffer, "x11,tty" );  /* default value */
  46     /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
  47     if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
  48     {
  49         DWORD type, count = sizeof(buffer);
  50         RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
  51         RegCloseKey( hkey );
  52     }
  53
  54     name = buffer;
  55     while (name)
  56     {
  57         next = strchr( name, ',' );
  58         if (next) *next++ = 0;
  59
  60         snprintf( libname, sizeof(libname), "wine%s.drv", name );
  61         if ((graphics_driver = LoadLibraryA( libname )) != 0) break;
  62         name = next;
  63     }
  64     if (!graphics_driver)
  65     {
  66         MESSAGE( "wine: Could not load graphics driver '%s'.\n", buffer );
  67         if (!strcasecmp( buffer, "x11" ))
  68             MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
  69         ExitProcess(1);
  70     }
  71
  72     driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
  73     memcpy( driver, &null_driver, sizeof(*driver) );
  74
  75 #define GET_USER_FUNC(name) \
  76     do { if ((ptr = GetProcAddress( graphics_driver, #name ))) driver->p##name = ptr; } while(0)
  77
  78     GET_USER_FUNC(ActivateKeyboardLayout);
  79     GET_USER_FUNC(Beep);
  80     GET_USER_FUNC(GetAsyncKeyState);
  81     GET_USER_FUNC(GetKeyNameText);
  82     GET_USER_FUNC(GetKeyboardLayout);
  83     GET_USER_FUNC(GetKeyboardLayoutList);
  84     GET_USER_FUNC(GetKeyboardLayoutName);
  85     GET_USER_FUNC(LoadKeyboardLayout);
  86     GET_USER_FUNC(MapVirtualKeyEx);
  87     GET_USER_FUNC(SendInput);
  88     GET_USER_FUNC(ToUnicodeEx);
  89     GET_USER_FUNC(UnloadKeyboardLayout);
  90     GET_USER_FUNC(VkKeyScanEx);
  91     GET_USER_FUNC(SetCursor);
  92     GET_USER_FUNC(GetCursorPos);
  93     GET_USER_FUNC(SetCursorPos);
  94     GET_USER_FUNC(GetScreenSaveActive);
  95     GET_USER_FUNC(SetScreenSaveActive);
  96     GET_USER_FUNC(AcquireClipboard);
  97     GET_USER_FUNC(EmptyClipboard);
  98     GET_USER_FUNC(SetClipboardData);
  99     GET_USER_FUNC(GetClipboardData);
 100     GET_USER_FUNC(CountClipboardFormats);
 101     GET_USER_FUNC(EnumClipboardFormats);
 102     GET_USER_FUNC(IsClipboardFormatAvailable);
 103     GET_USER_FUNC(RegisterClipboardFormat);
 104     GET_USER_FUNC(GetClipboardFormatName);
 105     GET_USER_FUNC(EndClipboardUpdate);
 106     GET_USER_FUNC(ResetSelectionOwner);
 107     GET_USER_FUNC(ChangeDisplaySettingsEx);
 108     GET_USER_FUNC(EnumDisplaySettingsEx);
 109     GET_USER_FUNC(CreateDesktopWindow);
 110     GET_USER_FUNC(CreateWindow);
 111     GET_USER_FUNC(DestroyWindow);
 112     GET_USER_FUNC(GetDCEx);
 113     GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 114     GET_USER_FUNC(ReleaseDC);
 115     GET_USER_FUNC(ScrollDC);
 116     GET_USER_FUNC(SetFocus);
 117     GET_USER_FUNC(SetParent);
 118     GET_USER_FUNC(SetWindowPos);
 119     GET_USER_FUNC(SetWindowRgn);
 120     GET_USER_FUNC(SetWindowIcon);
 121     GET_USER_FUNC(SetWindowStyle);
 122     GET_USER_FUNC(SetWindowText);
 123     GET_USER_FUNC(ShowWindow);
 124     GET_USER_FUNC(SysCommandSizeMove);
 125     GET_USER_FUNC(WindowFromDC);
 126     GET_USER_FUNC(WindowMessage);
 127 #undef GET_USER_FUNC
 128
 129     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, (void *)&lazy_load_driver );
 130     if (prev != &lazy_load_driver)
 131     {
 132         /* another thread beat us to it */
 133         HeapFree( GetProcessHeap(), 0, driver );
 134         FreeLibrary( graphics_driver );
 135         driver = prev;
 136     }
 137     return driver;
 138 }
 139
 140 /* unload the graphics driver on process exit */
 141 void USER_unload_driver(void)
 142 {
 143     /* make sure we don't try to call the driver after it has been detached */
 144     USER_Driver = &null_driver;
 145 }
 146
 147
 148 /**********************************************************************
 149  * Null user driver
 150  *
 151  * These are fallbacks for entry points that are not implemented in the real driver.
 152  */
 153
 154 static HKL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 155 {
 156     return 0;
 157 }
 158
 159 static void nulldrv_Beep(void)
 160 {
 161 }
 162
 163 static SHORT nulldrv_GetAsyncKeyState( INT key )
 164 {
 165     return 0;
 166 }
 167
 168 static INT nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 169 {
 170     return 0;
 171 }
 172
 173 static HKL nulldrv_GetKeyboardLayout( DWORD layout )
 174 {
 175     return 0;
 176 }
 177
 178 static UINT nulldrv_GetKeyboardLayoutList( INT count, HKL *layouts )
 179 {
 180     return 0;
 181 }
 182
 183 static BOOL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 184 {
 185     return FALSE;
 186 }
 187
 188 static HKL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 189 {
 190     return 0;
 191 }
 192
 193 static UINT nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 194 {
 195     return 0;
 196 }
 197
 198 static UINT nulldrv_SendInput( UINT count, LPINPUT inputs, int size )
 199 {
 200     return 0;
 201 }
 202
 203 static INT nulldrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
 204                                 int size, UINT flags, HKL layout )
 205 {
 206     return 0;
 207 }
 208
 209 static BOOL nulldrv_UnloadKeyboardLayout( HKL layout )
 210 {
 211     return 0;
 212 }
 213
 214 static SHORT nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 215 {
 216     return -1;
 217 }
 218
 219 static void nulldrv_SetCursor( struct tagCURSORICONINFO *info )
 220 {
 221 }
 222
 223 static BOOL nulldrv_GetCursorPos( LPPOINT pt )
 224 {
 225     return FALSE;
 226 }
 227
 228 static BOOL nulldrv_SetCursorPos( INT x, INT y )
 229 {
 230     return FALSE;
 231 }
 232
 233 static BOOL nulldrv_GetScreenSaveActive(void)
 234 {
 235     return FALSE;
 236 }
 237
 238 static void nulldrv_SetScreenSaveActive( BOOL on )
 239 {
 240 }
 241
 242 static void nulldrv_AcquireClipboard( HWND hwnd )
 243 {
 244 }
 245
 246 static BOOL nulldrv_CountClipboardFormats(void)
 247 {
 248     return 0;
 249 }
 250
 251 static void nulldrv_EmptyClipboard( BOOL keepunowned )
 252 {
 253 }
 254
 255 static void nulldrv_EndClipboardUpdate(void)
 256 {
 257 }
 258
 259 static UINT nulldrv_EnumClipboardFormats( UINT format )
 260 {
 261     return 0;
 262 }
 263
 264 static BOOL nulldrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 265 {
 266     return FALSE;
 267 }
 268
 269 static INT nulldrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 270 {
 271     return FALSE;
 272 }
 273
 274 static BOOL nulldrv_IsClipboardFormatAvailable( UINT format )
 275 {
 276     return FALSE;
 277 }
 278
 279 static UINT nulldrv_RegisterClipboardFormat( LPCWSTR name )
 280 {
 281     return 0;
 282 }
 283
 284 static void nulldrv_ResetSelectionOwner( HWND hwnd, BOOL flag )
 285 {
 286 }
 287
 288 static BOOL nulldrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 289 {
 290     return FALSE;
 291 }
 292
 293 static LONG nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 294                                              DWORD flags, LPVOID lparam )
 295 {
 296     return DISP_CHANGE_FAILED;
 297 }
 298
 299 static BOOL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 300 {
 301     return FALSE;
 302 }
 303
 304 static BOOL nulldrv_CreateDesktopWindow( HWND hwnd )
 305 {
 306     return TRUE;
 307 }
 308
 309 static BOOL nulldrv_CreateWindow( HWND hwnd, CREATESTRUCTA *cs, BOOL unicode )
 310 {
 311     return TRUE;
 312 }
 313
 314 static void nulldrv_DestroyWindow( HWND hwnd )
 315 {
 316 }
 317
 318 static HDC nulldrv_GetDCEx( HWND hwnd, HRGN hrgn, DWORD flags )
 319 {
 320     return 0;
 321 }
 322
 323 static DWORD nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 324                                                   DWORD mask, DWORD flags )
 325 {
 326     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 327                                      timeout, flags & MWMO_ALERTABLE );
 328 }
 329
 330 static INT nulldrv_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
 331 {
 332     return 0;
 333 }
 334
 335 static BOOL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 336                               HRGN hrgn, LPRECT update )
 337 {
 338     return FALSE;
 339 }
 340
 341 static void nulldrv_SetFocus( HWND hwnd )
 342 {
 343 }
 344
 345 static HWND nulldrv_SetParent( HWND hwnd, HWND parent )
 346 {
 347     return 0;
 348 }
 349
 350 static BOOL nulldrv_SetWindowPos( WINDOWPOS *pos )
 351 {
 352     return FALSE;
 353 }
 354
 355 static int nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 356 {
 357     return 1;
 358 }
 359
 360 static void nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 361 {
 362 }
 363
 364 static void nulldrv_SetWindowStyle( HWND hwnd, DWORD old_style )
 365 {
 366 }
 367
 368 static void nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 369 {
 370 }
 371
 372 static BOOL nulldrv_ShowWindow( HWND hwnd, INT cmd )
 373 {
 374     return FALSE;
 375 }
 376
 377 static void nulldrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
 378 {
 379 }
 380
 381 static HWND nulldrv_WindowFromDC( HDC hdc )
 382 {
 383     return 0;
 384 }
 385
 386 static LRESULT nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 387 {
 388     return 0;
 389 }
 390
 391 static const USER_DRIVER null_driver =
 392 {
 393     /* keyboard functions */
 394     nulldrv_ActivateKeyboardLayout,
 395     nulldrv_Beep,
 396     nulldrv_GetAsyncKeyState,
 397     nulldrv_GetKeyNameText,
 398     nulldrv_GetKeyboardLayout,
 399     nulldrv_GetKeyboardLayoutList,
 400     nulldrv_GetKeyboardLayoutName,
 401     nulldrv_LoadKeyboardLayout,
 402     nulldrv_MapVirtualKeyEx,
 403     nulldrv_SendInput,
 404     nulldrv_ToUnicodeEx,
 405     nulldrv_UnloadKeyboardLayout,
 406     nulldrv_VkKeyScanEx,
 407     /* mouse functions */
 408     nulldrv_SetCursor,
 409     nulldrv_GetCursorPos,
 410     nulldrv_SetCursorPos,
 411     /* screen saver functions */
 412     nulldrv_GetScreenSaveActive,
 413     nulldrv_SetScreenSaveActive,
 414     /* clipboard functions */
 415     nulldrv_AcquireClipboard,
 416     nulldrv_CountClipboardFormats,
 417     nulldrv_EmptyClipboard,
 418     nulldrv_EndClipboardUpdate,
 419     nulldrv_EnumClipboardFormats,
 420     nulldrv_GetClipboardData,
 421     nulldrv_GetClipboardFormatName,
 422     nulldrv_IsClipboardFormatAvailable,
 423     nulldrv_RegisterClipboardFormat,
 424     nulldrv_ResetSelectionOwner,
 425     nulldrv_SetClipboardData,
 426     /* display modes */
 427     nulldrv_ChangeDisplaySettingsEx,
 428     nulldrv_EnumDisplaySettingsEx,
 429     /* windowing functions */
 430     nulldrv_CreateDesktopWindow,
 431     nulldrv_CreateWindow,
 432     nulldrv_DestroyWindow,
 433     nulldrv_GetDCEx,
 434     nulldrv_MsgWaitForMultipleObjectsEx,
 435     nulldrv_ReleaseDC,
 436     nulldrv_ScrollDC,
 437     nulldrv_SetFocus,
 438     nulldrv_SetParent,
 439     nulldrv_SetWindowPos,
 440     nulldrv_SetWindowRgn,
 441     nulldrv_SetWindowIcon,
 442     nulldrv_SetWindowStyle,
 443     nulldrv_SetWindowText,
 444     nulldrv_ShowWindow,
 445     nulldrv_SysCommandSizeMove,
 446     nulldrv_WindowFromDC,
 447     nulldrv_WindowMessage
 448 };
 449
 450
 451 /**********************************************************************
 452  * Lazy loading user driver
 453  *
 454  * Initial driver used before another driver is loaded.
 455  * Each entry point simply loads the real driver and chains to it.
 456  */
 457
 458 static HKL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 459 {
 460     return load_driver()->pActivateKeyboardLayout( layout, flags );
 461 }
 462
 463 static void loaderdrv_Beep(void)
 464 {
 465     load_driver()->pBeep();
 466 }
 467
 468 static SHORT loaderdrv_GetAsyncKeyState( INT key )
 469 {
 470     return load_driver()->pGetAsyncKeyState( key );
 471 }
 472
 473 static INT loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 474 {
 475     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 476 }
 477
 478 static HKL loaderdrv_GetKeyboardLayout( DWORD layout )
 479 {
 480     return load_driver()->pGetKeyboardLayout( layout );
 481 }
 482
 483 static UINT loaderdrv_GetKeyboardLayoutList( INT count, HKL *layouts )
 484 {
 485     return load_driver()->pGetKeyboardLayoutList( count, layouts );
 486 }
 487
 488 static BOOL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 489 {
 490     return load_driver()->pGetKeyboardLayoutName( name );
 491 }
 492
 493 static HKL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 494 {
 495     return load_driver()->pLoadKeyboardLayout( name, flags );
 496 }
 497
 498 static UINT loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 499 {
 500     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 501 }
 502
 503 static UINT loaderdrv_SendInput( UINT count, LPINPUT inputs, int size )
 504 {
 505     return load_driver()->pSendInput( count, inputs, size );
 506 }
 507
 508 static INT loaderdrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
 509                                   int size, UINT flags, HKL layout )
 510 {
 511     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 512 }
 513
 514 static BOOL loaderdrv_UnloadKeyboardLayout( HKL layout )
 515 {
 516     return load_driver()->pUnloadKeyboardLayout( layout );
 517 }
 518
 519 static SHORT loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 520 {
 521     return load_driver()->pVkKeyScanEx( ch, layout );
 522 }
 523
 524 static void loaderdrv_SetCursor( struct tagCURSORICONINFO *info )
 525 {
 526     load_driver()->pSetCursor( info );
 527 }
 528
 529 static BOOL loaderdrv_GetCursorPos( LPPOINT pt )
 530 {
 531     return load_driver()->pGetCursorPos( pt );
 532 }
 533
 534 static BOOL loaderdrv_SetCursorPos( INT x, INT y )
 535 {
 536     return load_driver()->pSetCursorPos( x, y );
 537 }
 538
 539 static BOOL loaderdrv_GetScreenSaveActive(void)
 540 {
 541     return load_driver()->pGetScreenSaveActive();
 542 }
 543
 544 static void loaderdrv_SetScreenSaveActive( BOOL on )
 545 {
 546     load_driver()->pSetScreenSaveActive( on );
 547 }
 548
 549 static void loaderdrv_AcquireClipboard( HWND hwnd )
 550 {
 551     load_driver()->pAcquireClipboard( hwnd );
 552 }
 553
 554 static BOOL loaderdrv_CountClipboardFormats(void)
 555 {
 556     return load_driver()->pCountClipboardFormats();
 557 }
 558
 559 static void loaderdrv_EmptyClipboard( BOOL keepunowned )
 560 {
 561     load_driver()->pEmptyClipboard( keepunowned );
 562 }
 563
 564 static void loaderdrv_EndClipboardUpdate(void)
 565 {
 566     load_driver()->pEndClipboardUpdate();
 567 }
 568
 569 static UINT loaderdrv_EnumClipboardFormats( UINT format )
 570 {
 571     return load_driver()->pEnumClipboardFormats( format );
 572 }
 573
 574 static BOOL loaderdrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 575 {
 576     return load_driver()->pGetClipboardData( format, h16, h32 );
 577 }
 578
 579 static INT loaderdrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 580 {
 581     return load_driver()->pGetClipboardFormatName( format, buffer, len );
 582 }
 583
 584 static BOOL loaderdrv_IsClipboardFormatAvailable( UINT format )
 585 {
 586     return load_driver()->pIsClipboardFormatAvailable( format );
 587 }
 588
 589 static UINT loaderdrv_RegisterClipboardFormat( LPCWSTR name )
 590 {
 591     return load_driver()->pRegisterClipboardFormat( name );
 592 }
 593
 594 static void loaderdrv_ResetSelectionOwner( HWND hwnd, BOOL flag )
 595 {
 596     load_driver()->pResetSelectionOwner( hwnd, flag );
 597 }
 598
 599 static BOOL loaderdrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 600 {
 601     return load_driver()->pSetClipboardData( format, h16, h32, owner );
 602 }
 603
 604 static LONG loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 605                                                DWORD flags, LPVOID lparam )
 606 {
 607     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 608 }
 609
 610 static BOOL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 611 {
 612     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 613 }
 614
 615 static BOOL loaderdrv_CreateDesktopWindow( HWND hwnd )
 616 {
 617     return load_driver()->pCreateDesktopWindow( hwnd );
 618 }
 619
 620 static BOOL loaderdrv_CreateWindow( HWND hwnd, CREATESTRUCTA *cs, BOOL unicode )
 621 {
 622     return load_driver()->pCreateWindow( hwnd, cs, unicode );
 623 }
 624
 625 static void loaderdrv_DestroyWindow( HWND hwnd )
 626 {
 627     load_driver()->pDestroyWindow( hwnd );
 628 }
 629
 630 static HDC loaderdrv_GetDCEx( HWND hwnd, HRGN hrgn, DWORD flags )
 631 {
 632     return load_driver()->pGetDCEx( hwnd, hrgn, flags );
 633 }
 634
 635 static DWORD loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 636                                                     DWORD mask, DWORD flags )
 637 {
 638     return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
 639 }
 640
 641 static INT loaderdrv_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
 642 {
 643     return load_driver()->pReleaseDC( hwnd, hdc, end_paint );
 644 }
 645
 646 static BOOL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 647                                 HRGN hrgn, LPRECT update )
 648 {
 649     return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
 650 }
 651
 652 static void loaderdrv_SetFocus( HWND hwnd )
 653 {
 654     load_driver()->pSetFocus( hwnd );
 655 }
 656
 657 static HWND loaderdrv_SetParent( HWND hwnd, HWND parent )
 658 {
 659     return load_driver()->pSetParent( hwnd, parent );
 660 }
 661
 662 static BOOL loaderdrv_SetWindowPos( WINDOWPOS *pos )
 663 {
 664     return load_driver()->pSetWindowPos( pos );
 665 }
 666
 667 static int loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 668 {
 669     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 670 }
 671
 672 static void loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 673 {
 674     load_driver()->pSetWindowIcon( hwnd, type, icon );
 675 }
 676
 677 static void loaderdrv_SetWindowStyle( HWND hwnd, DWORD old_style )
 678 {
 679     load_driver()->pSetWindowStyle( hwnd, old_style );
 680 }
 681
 682 static void loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
 683 {
 684     load_driver()->pSetWindowText( hwnd, text );
 685 }
 686
 687 static BOOL loaderdrv_ShowWindow( HWND hwnd, INT cmd )
 688 {
 689     return load_driver()->pShowWindow( hwnd, cmd );
 690 }
 691
 692 static void loaderdrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
 693 {
 694     load_driver()->pSysCommandSizeMove( hwnd, wparam );
 695 }
 696
 697 static HWND loaderdrv_WindowFromDC( HDC hdc )
 698 {
 699     return load_driver()->pWindowFromDC( hdc );
 700 }
 701
 702 static LRESULT loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 703 {
 704     return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
 705 }
 706
 707 static const USER_DRIVER lazy_load_driver =
 708 {
 709     /* keyboard functions */
 710     loaderdrv_ActivateKeyboardLayout,
 711     loaderdrv_Beep,
 712     loaderdrv_GetAsyncKeyState,
 713     loaderdrv_GetKeyNameText,
 714     loaderdrv_GetKeyboardLayout,
 715     loaderdrv_GetKeyboardLayoutList,
 716     loaderdrv_GetKeyboardLayoutName,
 717     loaderdrv_LoadKeyboardLayout,
 718     loaderdrv_MapVirtualKeyEx,
 719     loaderdrv_SendInput,
 720     loaderdrv_ToUnicodeEx,
 721     loaderdrv_UnloadKeyboardLayout,
 722     loaderdrv_VkKeyScanEx,
 723     /* mouse functions */
 724     loaderdrv_SetCursor,
 725     loaderdrv_GetCursorPos,
 726     loaderdrv_SetCursorPos,
 727     /* screen saver functions */
 728     loaderdrv_GetScreenSaveActive,
 729     loaderdrv_SetScreenSaveActive,
 730     /* clipboard functions */
 731     loaderdrv_AcquireClipboard,
 732     loaderdrv_CountClipboardFormats,
 733     loaderdrv_EmptyClipboard,
 734     loaderdrv_EndClipboardUpdate,
 735     loaderdrv_EnumClipboardFormats,
 736     loaderdrv_GetClipboardData,
 737     loaderdrv_GetClipboardFormatName,
 738     loaderdrv_IsClipboardFormatAvailable,
 739     loaderdrv_RegisterClipboardFormat,
 740     loaderdrv_ResetSelectionOwner,
 741     loaderdrv_SetClipboardData,
 742     /* display modes */
 743     loaderdrv_ChangeDisplaySettingsEx,
 744     loaderdrv_EnumDisplaySettingsEx,
 745     /* windowing functions */
 746     loaderdrv_CreateDesktopWindow,
 747     loaderdrv_CreateWindow,
 748     loaderdrv_DestroyWindow,
 749     loaderdrv_GetDCEx,
 750     loaderdrv_MsgWaitForMultipleObjectsEx,
 751     loaderdrv_ReleaseDC,
 752     loaderdrv_ScrollDC,
 753     loaderdrv_SetFocus,
 754     loaderdrv_SetParent,
 755     loaderdrv_SetWindowPos,
 756     loaderdrv_SetWindowRgn,
 757     loaderdrv_SetWindowIcon,
 758     loaderdrv_SetWindowStyle,
 759     loaderdrv_SetWindowText,
 760     loaderdrv_ShowWindow,
 761     loaderdrv_SysCommandSizeMove,
 762     loaderdrv_WindowFromDC,
 763     loaderdrv_WindowMessage
 764 };