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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "wine/debug.h"
  27
  28 #include "user_private.h"
  29
  30 static const USER_DRIVER null_driver, lazy_load_driver;
  31
  32 const USER_DRIVER *USER_Driver = &lazy_load_driver;
  33 static DWORD driver_load_error;
  34
  35 /* load the graphics driver */
  36 static const USER_DRIVER *load_driver(void)
  37 {
  38     char buffer[MAX_PATH], libname[32], *name, *next;
  39     HKEY hkey;
  40     void *ptr;
  41     HMODULE graphics_driver;
  42     USER_DRIVER *driver, *prev;
  43
  44     strcpy( buffer, "x11" );  /* default value */
  45     /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
  46     if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
  47     {
  48         DWORD type, count = sizeof(buffer);
  49         RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
  50         RegCloseKey( hkey );
  51     }
  52
  53     name = buffer;
  54     while (name)
  55     {
  56         next = strchr( name, ',' );
  57         if (next) *next++ = 0;
  58
  59         snprintf( libname, sizeof(libname), "wine%s.drv", name );
  60         if ((graphics_driver = LoadLibraryA( libname )) != 0) break;
  61         name = next;
  62     }
  63
  64     if (!graphics_driver)
  65         driver_load_error = GetLastError();
  66
  67     driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
  68     memcpy( driver, &null_driver, sizeof(*driver) );
  69
  70     if (graphics_driver)
  71     {
  72 #define GET_USER_FUNC(name) \
  73     do { if ((ptr = GetProcAddress( graphics_driver, #name ))) driver->p##name = ptr; } while(0)
  74
  75         GET_USER_FUNC(ActivateKeyboardLayout);
  76         GET_USER_FUNC(Beep);
  77         GET_USER_FUNC(GetAsyncKeyState);
  78         GET_USER_FUNC(GetKeyNameText);
  79         GET_USER_FUNC(GetKeyboardLayout);
  80         GET_USER_FUNC(GetKeyboardLayoutList);
  81         GET_USER_FUNC(GetKeyboardLayoutName);
  82         GET_USER_FUNC(LoadKeyboardLayout);
  83         GET_USER_FUNC(MapVirtualKeyEx);
  84         GET_USER_FUNC(SendInput);
  85         GET_USER_FUNC(ToUnicodeEx);
  86         GET_USER_FUNC(UnloadKeyboardLayout);
  87         GET_USER_FUNC(VkKeyScanEx);
  88         GET_USER_FUNC(SetCursor);
  89         GET_USER_FUNC(GetCursorPos);
  90         GET_USER_FUNC(SetCursorPos);
  91         GET_USER_FUNC(GetScreenSaveActive);
  92         GET_USER_FUNC(SetScreenSaveActive);
  93         GET_USER_FUNC(AcquireClipboard);
  94         GET_USER_FUNC(EmptyClipboard);
  95         GET_USER_FUNC(SetClipboardData);
  96         GET_USER_FUNC(GetClipboardData);
  97         GET_USER_FUNC(CountClipboardFormats);
  98         GET_USER_FUNC(EnumClipboardFormats);
  99         GET_USER_FUNC(IsClipboardFormatAvailable);
 100         GET_USER_FUNC(RegisterClipboardFormat);
 101         GET_USER_FUNC(GetClipboardFormatName);
 102         GET_USER_FUNC(EndClipboardUpdate);
 103         GET_USER_FUNC(ChangeDisplaySettingsEx);
 104         GET_USER_FUNC(EnumDisplayMonitors);
 105         GET_USER_FUNC(EnumDisplaySettingsEx);
 106         GET_USER_FUNC(GetMonitorInfo);
 107         GET_USER_FUNC(CreateDesktopWindow);
 108         GET_USER_FUNC(CreateWindow);
 109         GET_USER_FUNC(DestroyWindow);
 110         GET_USER_FUNC(GetDCEx);
 111         GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 112         GET_USER_FUNC(ReleaseDC);
 113         GET_USER_FUNC(ScrollDC);
 114         GET_USER_FUNC(SetFocus);
 115         GET_USER_FUNC(SetParent);
 116         GET_USER_FUNC(SetWindowPos);
 117         GET_USER_FUNC(SetWindowRgn);
 118         GET_USER_FUNC(SetWindowIcon);
 119         GET_USER_FUNC(SetWindowStyle);
 120         GET_USER_FUNC(SetWindowText);
 121         GET_USER_FUNC(ShowWindow);
 122         GET_USER_FUNC(SysCommandSizeMove);
 123         GET_USER_FUNC(WindowFromDC);
 124         GET_USER_FUNC(WindowMessage);
 125 #undef GET_USER_FUNC
 126     }
 127
 128     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, (void *)&lazy_load_driver );
 129     if (prev != &lazy_load_driver)
 130     {
 131         /* another thread beat us to it */
 132         HeapFree( GetProcessHeap(), 0, driver );
 133         FreeLibrary( graphics_driver );
 134         driver = prev;
 135     }
 136     return driver;
 137 }
 138
 139 /* unload the graphics driver on process exit */
 140 void USER_unload_driver(void)
 141 {
 142     /* make sure we don't try to call the driver after it has been detached */
 143     USER_Driver = &null_driver;
 144 }
 145
 146
 147 /**********************************************************************
 148  * Null user driver
 149  *
 150  * These are fallbacks for entry points that are not implemented in the real driver.
 151  */
 152
 153 static HKL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 154 {
 155     return 0;
 156 }
 157
 158 static void nulldrv_Beep(void)
 159 {
 160 }
 161
 162 static SHORT nulldrv_GetAsyncKeyState( INT key )
 163 {
 164     return 0;
 165 }
 166
 167 static INT nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 168 {
 169     return 0;
 170 }
 171
 172 static HKL nulldrv_GetKeyboardLayout( DWORD layout )
 173 {
 174     return 0;
 175 }
 176
 177 static UINT nulldrv_GetKeyboardLayoutList( INT count, HKL *layouts )
 178 {
 179     return 0;
 180 }
 181
 182 static BOOL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 183 {
 184     return FALSE;
 185 }
 186
 187 static HKL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 188 {
 189     return 0;
 190 }
 191
 192 static UINT nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 193 {
 194     return 0;
 195 }
 196
 197 static UINT nulldrv_SendInput( UINT count, LPINPUT inputs, int size )
 198 {
 199     return 0;
 200 }
 201
 202 static INT nulldrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
 203                                 int size, UINT flags, HKL layout )
 204 {
 205     return 0;
 206 }
 207
 208 static BOOL nulldrv_UnloadKeyboardLayout( HKL layout )
 209 {
 210     return 0;
 211 }
 212
 213 static SHORT nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 214 {
 215     return -1;
 216 }
 217
 218 static void nulldrv_SetCursor( struct tagCURSORICONINFO *info )
 219 {
 220 }
 221
 222 static BOOL nulldrv_GetCursorPos( LPPOINT pt )
 223 {
 224     return FALSE;
 225 }
 226
 227 static BOOL nulldrv_SetCursorPos( INT x, INT y )
 228 {
 229     return FALSE;
 230 }
 231
 232 static BOOL nulldrv_GetScreenSaveActive(void)
 233 {
 234     return FALSE;
 235 }
 236
 237 static void nulldrv_SetScreenSaveActive( BOOL on )
 238 {
 239 }
 240
 241 static INT nulldrv_AcquireClipboard( HWND hwnd )
 242 {
 243     return 0;
 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 BOOL nulldrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 285 {
 286     return FALSE;
 287 }
 288
 289 static LONG nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 290                                              DWORD flags, LPVOID lparam )
 291 {
 292     return DISP_CHANGE_FAILED;
 293 }
 294
 295 static BOOL nulldrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 296 {
 297     return FALSE;
 298 }
 299
 300 static BOOL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 301 {
 302     return FALSE;
 303 }
 304
 305 static BOOL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 306 {
 307     return FALSE;
 308 }
 309
 310 static BOOL nulldrv_CreateDesktopWindow( HWND hwnd )
 311 {
 312     return TRUE;
 313 }
 314
 315 static BOOL nulldrv_CreateWindow( HWND hwnd, CREATESTRUCTA *cs, BOOL unicode )
 316 {
 317     static int warned;
 318     if (warned++)
 319         return FALSE;
 320
 321     MESSAGE( "Application tried to create a window, but no driver could be loaded.\n");
 322     switch (driver_load_error)
 323     {
 324     case ERROR_MOD_NOT_FOUND:
 325         MESSAGE( "The X11 driver is missing.  Check your build!\n" );
 326         break;
 327     case ERROR_DLL_INIT_FAILED:
 328         MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
 329         break;
 330     default:
 331         MESSAGE( "Unknown error (%d).\n", driver_load_error );
 332     }
 333
 334     return FALSE;
 335 }
 336
 337 static void nulldrv_DestroyWindow( HWND hwnd )
 338 {
 339 }
 340
 341 static HDC nulldrv_GetDCEx( HWND hwnd, HRGN hrgn, DWORD flags )
 342 {
 343     return 0;
 344 }
 345
 346 static DWORD nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 347                                                   DWORD mask, DWORD flags )
 348 {
 349     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 350                                      timeout, flags & MWMO_ALERTABLE );
 351 }
 352
 353 static INT nulldrv_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
 354 {
 355     return 0;
 356 }
 357
 358 static BOOL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 359                               HRGN hrgn, LPRECT update )
 360 {
 361     return FALSE;
 362 }
 363
 364 static void nulldrv_SetFocus( HWND hwnd )
 365 {
 366 }
 367
 368 static HWND nulldrv_SetParent( HWND hwnd, HWND parent )
 369 {
 370     return 0;
 371 }
 372
 373 static BOOL nulldrv_SetWindowPos( WINDOWPOS *pos )
 374 {
 375     return FALSE;
 376 }
 377
 378 static int nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 379 {
 380     return 1;
 381 }
 382
 383 static void nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 384 {
 385 }
 386
 387 static void nulldrv_SetWindowStyle( HWND hwnd, DWORD old_style )
 388 {
 389 }
 390
 391 static void nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 392 {
 393 }
 394
 395 static BOOL nulldrv_ShowWindow( HWND hwnd, INT cmd )
 396 {
 397     return FALSE;
 398 }
 399
 400 static void nulldrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
 401 {
 402 }
 403
 404 static HWND nulldrv_WindowFromDC( HDC hdc )
 405 {
 406     return 0;
 407 }
 408
 409 static LRESULT nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 410 {
 411     return 0;
 412 }
 413
 414 static const USER_DRIVER null_driver =
 415 {
 416     /* keyboard functions */
 417     nulldrv_ActivateKeyboardLayout,
 418     nulldrv_Beep,
 419     nulldrv_GetAsyncKeyState,
 420     nulldrv_GetKeyNameText,
 421     nulldrv_GetKeyboardLayout,
 422     nulldrv_GetKeyboardLayoutList,
 423     nulldrv_GetKeyboardLayoutName,
 424     nulldrv_LoadKeyboardLayout,
 425     nulldrv_MapVirtualKeyEx,
 426     nulldrv_SendInput,
 427     nulldrv_ToUnicodeEx,
 428     nulldrv_UnloadKeyboardLayout,
 429     nulldrv_VkKeyScanEx,
 430     /* mouse functions */
 431     nulldrv_SetCursor,
 432     nulldrv_GetCursorPos,
 433     nulldrv_SetCursorPos,
 434     /* screen saver functions */
 435     nulldrv_GetScreenSaveActive,
 436     nulldrv_SetScreenSaveActive,
 437     /* clipboard functions */
 438     nulldrv_AcquireClipboard,
 439     nulldrv_CountClipboardFormats,
 440     nulldrv_EmptyClipboard,
 441     nulldrv_EndClipboardUpdate,
 442     nulldrv_EnumClipboardFormats,
 443     nulldrv_GetClipboardData,
 444     nulldrv_GetClipboardFormatName,
 445     nulldrv_IsClipboardFormatAvailable,
 446     nulldrv_RegisterClipboardFormat,
 447     nulldrv_SetClipboardData,
 448     /* display modes */
 449     nulldrv_ChangeDisplaySettingsEx,
 450     nulldrv_EnumDisplayMonitors,
 451     nulldrv_EnumDisplaySettingsEx,
 452     nulldrv_GetMonitorInfo,
 453     /* windowing functions */
 454     nulldrv_CreateDesktopWindow,
 455     nulldrv_CreateWindow,
 456     nulldrv_DestroyWindow,
 457     nulldrv_GetDCEx,
 458     nulldrv_MsgWaitForMultipleObjectsEx,
 459     nulldrv_ReleaseDC,
 460     nulldrv_ScrollDC,
 461     nulldrv_SetFocus,
 462     nulldrv_SetParent,
 463     nulldrv_SetWindowPos,
 464     nulldrv_SetWindowRgn,
 465     nulldrv_SetWindowIcon,
 466     nulldrv_SetWindowStyle,
 467     nulldrv_SetWindowText,
 468     nulldrv_ShowWindow,
 469     nulldrv_SysCommandSizeMove,
 470     nulldrv_WindowFromDC,
 471     nulldrv_WindowMessage
 472 };
 473
 474
 475 /**********************************************************************
 476  * Lazy loading user driver
 477  *
 478  * Initial driver used before another driver is loaded.
 479  * Each entry point simply loads the real driver and chains to it.
 480  */
 481
 482 static HKL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 483 {
 484     return load_driver()->pActivateKeyboardLayout( layout, flags );
 485 }
 486
 487 static void loaderdrv_Beep(void)
 488 {
 489     load_driver()->pBeep();
 490 }
 491
 492 static SHORT loaderdrv_GetAsyncKeyState( INT key )
 493 {
 494     return load_driver()->pGetAsyncKeyState( key );
 495 }
 496
 497 static INT loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 498 {
 499     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 500 }
 501
 502 static HKL loaderdrv_GetKeyboardLayout( DWORD layout )
 503 {
 504     return load_driver()->pGetKeyboardLayout( layout );
 505 }
 506
 507 static UINT loaderdrv_GetKeyboardLayoutList( INT count, HKL *layouts )
 508 {
 509     return load_driver()->pGetKeyboardLayoutList( count, layouts );
 510 }
 511
 512 static BOOL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 513 {
 514     return load_driver()->pGetKeyboardLayoutName( name );
 515 }
 516
 517 static HKL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 518 {
 519     return load_driver()->pLoadKeyboardLayout( name, flags );
 520 }
 521
 522 static UINT loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 523 {
 524     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 525 }
 526
 527 static UINT loaderdrv_SendInput( UINT count, LPINPUT inputs, int size )
 528 {
 529     return load_driver()->pSendInput( count, inputs, size );
 530 }
 531
 532 static INT loaderdrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
 533                                   int size, UINT flags, HKL layout )
 534 {
 535     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 536 }
 537
 538 static BOOL loaderdrv_UnloadKeyboardLayout( HKL layout )
 539 {
 540     return load_driver()->pUnloadKeyboardLayout( layout );
 541 }
 542
 543 static SHORT loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 544 {
 545     return load_driver()->pVkKeyScanEx( ch, layout );
 546 }
 547
 548 static void loaderdrv_SetCursor( struct tagCURSORICONINFO *info )
 549 {
 550     load_driver()->pSetCursor( info );
 551 }
 552
 553 static BOOL loaderdrv_GetCursorPos( LPPOINT pt )
 554 {
 555     return load_driver()->pGetCursorPos( pt );
 556 }
 557
 558 static BOOL loaderdrv_SetCursorPos( INT x, INT y )
 559 {
 560     return load_driver()->pSetCursorPos( x, y );
 561 }
 562
 563 static BOOL loaderdrv_GetScreenSaveActive(void)
 564 {
 565     return load_driver()->pGetScreenSaveActive();
 566 }
 567
 568 static void loaderdrv_SetScreenSaveActive( BOOL on )
 569 {
 570     load_driver()->pSetScreenSaveActive( on );
 571 }
 572
 573 static INT loaderdrv_AcquireClipboard( HWND hwnd )
 574 {
 575     return load_driver()->pAcquireClipboard( hwnd );
 576 }
 577
 578 static BOOL loaderdrv_CountClipboardFormats(void)
 579 {
 580     return load_driver()->pCountClipboardFormats();
 581 }
 582
 583 static void loaderdrv_EmptyClipboard( BOOL keepunowned )
 584 {
 585     load_driver()->pEmptyClipboard( keepunowned );
 586 }
 587
 588 static void loaderdrv_EndClipboardUpdate(void)
 589 {
 590     load_driver()->pEndClipboardUpdate();
 591 }
 592
 593 static UINT loaderdrv_EnumClipboardFormats( UINT format )
 594 {
 595     return load_driver()->pEnumClipboardFormats( format );
 596 }
 597
 598 static BOOL loaderdrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 599 {
 600     return load_driver()->pGetClipboardData( format, h16, h32 );
 601 }
 602
 603 static INT loaderdrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 604 {
 605     return load_driver()->pGetClipboardFormatName( format, buffer, len );
 606 }
 607
 608 static BOOL loaderdrv_IsClipboardFormatAvailable( UINT format )
 609 {
 610     return load_driver()->pIsClipboardFormatAvailable( format );
 611 }
 612
 613 static UINT loaderdrv_RegisterClipboardFormat( LPCWSTR name )
 614 {
 615     return load_driver()->pRegisterClipboardFormat( name );
 616 }
 617
 618 static BOOL loaderdrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 619 {
 620     return load_driver()->pSetClipboardData( format, h16, h32, owner );
 621 }
 622
 623 static LONG loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 624                                                DWORD flags, LPVOID lparam )
 625 {
 626     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 627 }
 628
 629 static BOOL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 630 {
 631     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 632 }
 633
 634 static BOOL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 635 {
 636     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 637 }
 638
 639 static BOOL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 640 {
 641     return load_driver()->pGetMonitorInfo( handle, info );
 642 }
 643
 644 static BOOL loaderdrv_CreateDesktopWindow( HWND hwnd )
 645 {
 646     return load_driver()->pCreateDesktopWindow( hwnd );
 647 }
 648
 649 static BOOL loaderdrv_CreateWindow( HWND hwnd, CREATESTRUCTA *cs, BOOL unicode )
 650 {
 651     return load_driver()->pCreateWindow( hwnd, cs, unicode );
 652 }
 653
 654 static void loaderdrv_DestroyWindow( HWND hwnd )
 655 {
 656     load_driver()->pDestroyWindow( hwnd );
 657 }
 658
 659 static HDC loaderdrv_GetDCEx( HWND hwnd, HRGN hrgn, DWORD flags )
 660 {
 661     return load_driver()->pGetDCEx( hwnd, hrgn, flags );
 662 }
 663
 664 static DWORD loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 665                                                     DWORD mask, DWORD flags )
 666 {
 667     return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
 668 }
 669
 670 static INT loaderdrv_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
 671 {
 672     return load_driver()->pReleaseDC( hwnd, hdc, end_paint );
 673 }
 674
 675 static BOOL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 676                                 HRGN hrgn, LPRECT update )
 677 {
 678     return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
 679 }
 680
 681 static void loaderdrv_SetFocus( HWND hwnd )
 682 {
 683     load_driver()->pSetFocus( hwnd );
 684 }
 685
 686 static HWND loaderdrv_SetParent( HWND hwnd, HWND parent )
 687 {
 688     return load_driver()->pSetParent( hwnd, parent );
 689 }
 690
 691 static BOOL loaderdrv_SetWindowPos( WINDOWPOS *pos )
 692 {
 693     return load_driver()->pSetWindowPos( pos );
 694 }
 695
 696 static int loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 697 {
 698     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 699 }
 700
 701 static void loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 702 {
 703     load_driver()->pSetWindowIcon( hwnd, type, icon );
 704 }
 705
 706 static void loaderdrv_SetWindowStyle( HWND hwnd, DWORD old_style )
 707 {
 708     load_driver()->pSetWindowStyle( hwnd, old_style );
 709 }
 710
 711 static void loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
 712 {
 713     load_driver()->pSetWindowText( hwnd, text );
 714 }
 715
 716 static BOOL loaderdrv_ShowWindow( HWND hwnd, INT cmd )
 717 {
 718     return load_driver()->pShowWindow( hwnd, cmd );
 719 }
 720
 721 static void loaderdrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
 722 {
 723     load_driver()->pSysCommandSizeMove( hwnd, wparam );
 724 }
 725
 726 static HWND loaderdrv_WindowFromDC( HDC hdc )
 727 {
 728     return load_driver()->pWindowFromDC( hdc );
 729 }
 730
 731 static LRESULT loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 732 {
 733     return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
 734 }
 735
 736 static const USER_DRIVER lazy_load_driver =
 737 {
 738     /* keyboard functions */
 739     loaderdrv_ActivateKeyboardLayout,
 740     loaderdrv_Beep,
 741     loaderdrv_GetAsyncKeyState,
 742     loaderdrv_GetKeyNameText,
 743     loaderdrv_GetKeyboardLayout,
 744     loaderdrv_GetKeyboardLayoutList,
 745     loaderdrv_GetKeyboardLayoutName,
 746     loaderdrv_LoadKeyboardLayout,
 747     loaderdrv_MapVirtualKeyEx,
 748     loaderdrv_SendInput,
 749     loaderdrv_ToUnicodeEx,
 750     loaderdrv_UnloadKeyboardLayout,
 751     loaderdrv_VkKeyScanEx,
 752     /* mouse functions */
 753     loaderdrv_SetCursor,
 754     loaderdrv_GetCursorPos,
 755     loaderdrv_SetCursorPos,
 756     /* screen saver functions */
 757     loaderdrv_GetScreenSaveActive,
 758     loaderdrv_SetScreenSaveActive,
 759     /* clipboard functions */
 760     loaderdrv_AcquireClipboard,
 761     loaderdrv_CountClipboardFormats,
 762     loaderdrv_EmptyClipboard,
 763     loaderdrv_EndClipboardUpdate,
 764     loaderdrv_EnumClipboardFormats,
 765     loaderdrv_GetClipboardData,
 766     loaderdrv_GetClipboardFormatName,
 767     loaderdrv_IsClipboardFormatAvailable,
 768     loaderdrv_RegisterClipboardFormat,
 769     loaderdrv_SetClipboardData,
 770     /* display modes */
 771     loaderdrv_ChangeDisplaySettingsEx,
 772     loaderdrv_EnumDisplayMonitors,
 773     loaderdrv_EnumDisplaySettingsEx,
 774     loaderdrv_GetMonitorInfo,
 775     /* windowing functions */
 776     loaderdrv_CreateDesktopWindow,
 777     loaderdrv_CreateWindow,
 778     loaderdrv_DestroyWindow,
 779     loaderdrv_GetDCEx,
 780     loaderdrv_MsgWaitForMultipleObjectsEx,
 781     loaderdrv_ReleaseDC,
 782     loaderdrv_ScrollDC,
 783     loaderdrv_SetFocus,
 784     loaderdrv_SetParent,
 785     loaderdrv_SetWindowPos,
 786     loaderdrv_SetWindowRgn,
 787     loaderdrv_SetWindowIcon,
 788     loaderdrv_SetWindowStyle,
 789     loaderdrv_SetWindowText,
 790     loaderdrv_ShowWindow,
 791     loaderdrv_SysCommandSizeMove,
 792     loaderdrv_WindowFromDC,
 793     loaderdrv_WindowMessage
 794 };