dlls/user32/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(ClipCursor);
  92         GET_USER_FUNC(GetScreenSaveActive);
  93         GET_USER_FUNC(SetScreenSaveActive);
  94         GET_USER_FUNC(AcquireClipboard);
  95         GET_USER_FUNC(EmptyClipboard);
  96         GET_USER_FUNC(SetClipboardData);
  97         GET_USER_FUNC(GetClipboardData);
  98         GET_USER_FUNC(CountClipboardFormats);
  99         GET_USER_FUNC(EnumClipboardFormats);
 100         GET_USER_FUNC(IsClipboardFormatAvailable);
 101         GET_USER_FUNC(RegisterClipboardFormat);
 102         GET_USER_FUNC(GetClipboardFormatName);
 103         GET_USER_FUNC(EndClipboardUpdate);
 104         GET_USER_FUNC(ChangeDisplaySettingsEx);
 105         GET_USER_FUNC(EnumDisplayMonitors);
 106         GET_USER_FUNC(EnumDisplaySettingsEx);
 107         GET_USER_FUNC(GetMonitorInfo);
 108         GET_USER_FUNC(CreateDesktopWindow);
 109         GET_USER_FUNC(CreateWindow);
 110         GET_USER_FUNC(DestroyWindow);
 111         GET_USER_FUNC(GetDC);
 112         GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 113         GET_USER_FUNC(ReleaseDC);
 114         GET_USER_FUNC(ScrollDC);
 115         GET_USER_FUNC(SetFocus);
 116         GET_USER_FUNC(SetParent);
 117         GET_USER_FUNC(SetWindowPos);
 118         GET_USER_FUNC(SetWindowRgn);
 119         GET_USER_FUNC(SetWindowIcon);
 120         GET_USER_FUNC(SetWindowStyle);
 121         GET_USER_FUNC(SetWindowText);
 122         GET_USER_FUNC(SysCommandSizeMove);
 123         GET_USER_FUNC(WindowMessage);
 124 #undef GET_USER_FUNC
 125     }
 126
 127     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, (void *)&lazy_load_driver );
 128     if (prev != &lazy_load_driver)
 129     {
 130         /* another thread beat us to it */
 131         HeapFree( GetProcessHeap(), 0, driver );
 132         FreeLibrary( graphics_driver );
 133         driver = prev;
 134     }
 135     return driver;
 136 }
 137
 138 /* unload the graphics driver on process exit */
 139 void USER_unload_driver(void)
 140 {
 141     /* make sure we don't try to call the driver after it has been detached */
 142     USER_Driver = &null_driver;
 143 }
 144
 145
 146 /**********************************************************************
 147  * Null user driver
 148  *
 149  * These are fallbacks for entry points that are not implemented in the real driver.
 150  */
 151
 152 static HKL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 153 {
 154     return 0;
 155 }
 156
 157 static void nulldrv_Beep(void)
 158 {
 159 }
 160
 161 static SHORT nulldrv_GetAsyncKeyState( INT key )
 162 {
 163     return 0;
 164 }
 165
 166 static INT nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 167 {
 168     return 0;
 169 }
 170
 171 static HKL nulldrv_GetKeyboardLayout( DWORD layout )
 172 {
 173     return 0;
 174 }
 175
 176 static UINT nulldrv_GetKeyboardLayoutList( INT count, HKL *layouts )
 177 {
 178     return 0;
 179 }
 180
 181 static BOOL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 182 {
 183     return FALSE;
 184 }
 185
 186 static HKL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 187 {
 188     return 0;
 189 }
 190
 191 static UINT nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 192 {
 193     return 0;
 194 }
 195
 196 static UINT nulldrv_SendInput( UINT count, LPINPUT inputs, int size )
 197 {
 198     return 0;
 199 }
 200
 201 static INT nulldrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
 202                                 int size, UINT flags, HKL layout )
 203 {
 204     return 0;
 205 }
 206
 207 static BOOL nulldrv_UnloadKeyboardLayout( HKL layout )
 208 {
 209     return 0;
 210 }
 211
 212 static SHORT nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 213 {
 214     return -1;
 215 }
 216
 217 static void nulldrv_SetCursor( const struct cursor_t *cursor )
 218 {
 219 }
 220
 221 static BOOL nulldrv_GetCursorPos( LPPOINT pt )
 222 {
 223     return FALSE;
 224 }
 225
 226 static BOOL nulldrv_SetCursorPos( INT x, INT y )
 227 {
 228     return FALSE;
 229 }
 230
 231 static BOOL nulldrv_ClipCursor( LPCRECT clip )
 232 {
 233     return FALSE;
 234 }
 235
 236 static BOOL nulldrv_GetScreenSaveActive(void)
 237 {
 238     return FALSE;
 239 }
 240
 241 static void nulldrv_SetScreenSaveActive( BOOL on )
 242 {
 243 }
 244
 245 static INT nulldrv_AcquireClipboard( HWND hwnd )
 246 {
 247     return 0;
 248 }
 249
 250 static BOOL nulldrv_CountClipboardFormats(void)
 251 {
 252     return 0;
 253 }
 254
 255 static void nulldrv_EmptyClipboard( BOOL keepunowned )
 256 {
 257 }
 258
 259 static void nulldrv_EndClipboardUpdate(void)
 260 {
 261 }
 262
 263 static UINT nulldrv_EnumClipboardFormats( UINT format )
 264 {
 265     return 0;
 266 }
 267
 268 static BOOL nulldrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 269 {
 270     return FALSE;
 271 }
 272
 273 static INT nulldrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 274 {
 275     return FALSE;
 276 }
 277
 278 static BOOL nulldrv_IsClipboardFormatAvailable( UINT format )
 279 {
 280     return FALSE;
 281 }
 282
 283 static UINT nulldrv_RegisterClipboardFormat( LPCWSTR name )
 284 {
 285     return 0;
 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_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 300 {
 301     return FALSE;
 302 }
 303
 304 static BOOL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 305 {
 306     return FALSE;
 307 }
 308
 309 static BOOL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 310 {
 311     return FALSE;
 312 }
 313
 314 static BOOL nulldrv_CreateDesktopWindow( HWND hwnd )
 315 {
 316     return TRUE;
 317 }
 318
 319 static BOOL nulldrv_CreateWindow( HWND hwnd )
 320 {
 321     static int warned;
 322     if (warned++)
 323         return FALSE;
 324
 325     MESSAGE( "Application tried to create a window, but no driver could be loaded.\n");
 326     switch (driver_load_error)
 327     {
 328     case ERROR_MOD_NOT_FOUND:
 329         MESSAGE( "The X11 driver is missing.  Check your build!\n" );
 330         break;
 331     case ERROR_DLL_INIT_FAILED:
 332         MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
 333         break;
 334     default:
 335         MESSAGE( "Unknown error (%d).\n", driver_load_error );
 336     }
 337
 338     return FALSE;
 339 }
 340
 341 static void nulldrv_DestroyWindow( HWND hwnd )
 342 {
 343 }
 344
 345 static void nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 346                            const RECT *top_rect, DWORD flags )
 347 {
 348 }
 349
 350 static DWORD nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 351                                                   DWORD mask, DWORD flags )
 352 {
 353     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 354                                      timeout, flags & MWMO_ALERTABLE );
 355 }
 356
 357 static void nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
 358 {
 359 }
 360
 361 static BOOL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 362                               HRGN hrgn, LPRECT update )
 363 {
 364     return FALSE;
 365 }
 366
 367 static void nulldrv_SetFocus( HWND hwnd )
 368 {
 369 }
 370
 371 static void nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 372 {
 373 }
 374
 375 static void nulldrv_SetWindowPos( HWND hwnd, HWND insert_after, UINT swp_flags,
 376                                   const RECT *window_rect, const RECT *client_rect,
 377                                   const RECT *visible_rect, const RECT *valid_rects )
 378 {
 379 }
 380
 381 static int nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 382 {
 383     return 1;
 384 }
 385
 386 static void nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 387 {
 388 }
 389
 390 static void nulldrv_SetWindowStyle( HWND hwnd, DWORD old_style )
 391 {
 392 }
 393
 394 static void nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 395 {
 396 }
 397
 398 static void nulldrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
 399 {
 400 }
 401
 402 static LRESULT nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 403 {
 404     return 0;
 405 }
 406
 407 static const USER_DRIVER null_driver =
 408 {
 409     /* keyboard functions */
 410     nulldrv_ActivateKeyboardLayout,
 411     nulldrv_Beep,
 412     nulldrv_GetAsyncKeyState,
 413     nulldrv_GetKeyNameText,
 414     nulldrv_GetKeyboardLayout,
 415     nulldrv_GetKeyboardLayoutList,
 416     nulldrv_GetKeyboardLayoutName,
 417     nulldrv_LoadKeyboardLayout,
 418     nulldrv_MapVirtualKeyEx,
 419     nulldrv_SendInput,
 420     nulldrv_ToUnicodeEx,
 421     nulldrv_UnloadKeyboardLayout,
 422     nulldrv_VkKeyScanEx,
 423     /* mouse functions */
 424     nulldrv_SetCursor,
 425     nulldrv_GetCursorPos,
 426     nulldrv_SetCursorPos,
 427     nulldrv_ClipCursor,
 428     /* screen saver functions */
 429     nulldrv_GetScreenSaveActive,
 430     nulldrv_SetScreenSaveActive,
 431     /* clipboard functions */
 432     nulldrv_AcquireClipboard,
 433     nulldrv_CountClipboardFormats,
 434     nulldrv_EmptyClipboard,
 435     nulldrv_EndClipboardUpdate,
 436     nulldrv_EnumClipboardFormats,
 437     nulldrv_GetClipboardData,
 438     nulldrv_GetClipboardFormatName,
 439     nulldrv_IsClipboardFormatAvailable,
 440     nulldrv_RegisterClipboardFormat,
 441     nulldrv_SetClipboardData,
 442     /* display modes */
 443     nulldrv_ChangeDisplaySettingsEx,
 444     nulldrv_EnumDisplayMonitors,
 445     nulldrv_EnumDisplaySettingsEx,
 446     nulldrv_GetMonitorInfo,
 447     /* windowing functions */
 448     nulldrv_CreateDesktopWindow,
 449     nulldrv_CreateWindow,
 450     nulldrv_DestroyWindow,
 451     nulldrv_GetDC,
 452     nulldrv_MsgWaitForMultipleObjectsEx,
 453     nulldrv_ReleaseDC,
 454     nulldrv_ScrollDC,
 455     nulldrv_SetFocus,
 456     nulldrv_SetParent,
 457     nulldrv_SetWindowPos,
 458     nulldrv_SetWindowRgn,
 459     nulldrv_SetWindowIcon,
 460     nulldrv_SetWindowStyle,
 461     nulldrv_SetWindowText,
 462     nulldrv_SysCommandSizeMove,
 463     nulldrv_WindowMessage
 464 };
 465
 466
 467 /**********************************************************************
 468  * Lazy loading user driver
 469  *
 470  * Initial driver used before another driver is loaded.
 471  * Each entry point simply loads the real driver and chains to it.
 472  */
 473
 474 static HKL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 475 {
 476     return load_driver()->pActivateKeyboardLayout( layout, flags );
 477 }
 478
 479 static void loaderdrv_Beep(void)
 480 {
 481     load_driver()->pBeep();
 482 }
 483
 484 static SHORT loaderdrv_GetAsyncKeyState( INT key )
 485 {
 486     return load_driver()->pGetAsyncKeyState( key );
 487 }
 488
 489 static INT loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 490 {
 491     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 492 }
 493
 494 static HKL loaderdrv_GetKeyboardLayout( DWORD layout )
 495 {
 496     return load_driver()->pGetKeyboardLayout( layout );
 497 }
 498
 499 static UINT loaderdrv_GetKeyboardLayoutList( INT count, HKL *layouts )
 500 {
 501     return load_driver()->pGetKeyboardLayoutList( count, layouts );
 502 }
 503
 504 static BOOL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 505 {
 506     return load_driver()->pGetKeyboardLayoutName( name );
 507 }
 508
 509 static HKL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 510 {
 511     return load_driver()->pLoadKeyboardLayout( name, flags );
 512 }
 513
 514 static UINT loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 515 {
 516     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 517 }
 518
 519 static UINT loaderdrv_SendInput( UINT count, LPINPUT inputs, int size )
 520 {
 521     return load_driver()->pSendInput( count, inputs, size );
 522 }
 523
 524 static INT loaderdrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
 525                                   int size, UINT flags, HKL layout )
 526 {
 527     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 528 }
 529
 530 static BOOL loaderdrv_UnloadKeyboardLayout( HKL layout )
 531 {
 532     return load_driver()->pUnloadKeyboardLayout( layout );
 533 }
 534
 535 static SHORT loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 536 {
 537     return load_driver()->pVkKeyScanEx( ch, layout );
 538 }
 539
 540 static void loaderdrv_SetCursor( const struct cursor_t *cursor )
 541 {
 542     load_driver()->pSetCursor( cursor );
 543 }
 544
 545 static BOOL loaderdrv_GetCursorPos( LPPOINT pt )
 546 {
 547     return load_driver()->pGetCursorPos( pt );
 548 }
 549
 550 static BOOL loaderdrv_SetCursorPos( INT x, INT y )
 551 {
 552     return load_driver()->pSetCursorPos( x, y );
 553 }
 554
 555 static BOOL loaderdrv_ClipCursor( LPCRECT clip )
 556 {
 557     return load_driver()->pClipCursor( clip );
 558 }
 559
 560 static BOOL loaderdrv_GetScreenSaveActive(void)
 561 {
 562     return load_driver()->pGetScreenSaveActive();
 563 }
 564
 565 static void loaderdrv_SetScreenSaveActive( BOOL on )
 566 {
 567     load_driver()->pSetScreenSaveActive( on );
 568 }
 569
 570 static INT loaderdrv_AcquireClipboard( HWND hwnd )
 571 {
 572     return load_driver()->pAcquireClipboard( hwnd );
 573 }
 574
 575 static BOOL loaderdrv_CountClipboardFormats(void)
 576 {
 577     return load_driver()->pCountClipboardFormats();
 578 }
 579
 580 static void loaderdrv_EmptyClipboard( BOOL keepunowned )
 581 {
 582     load_driver()->pEmptyClipboard( keepunowned );
 583 }
 584
 585 static void loaderdrv_EndClipboardUpdate(void)
 586 {
 587     load_driver()->pEndClipboardUpdate();
 588 }
 589
 590 static UINT loaderdrv_EnumClipboardFormats( UINT format )
 591 {
 592     return load_driver()->pEnumClipboardFormats( format );
 593 }
 594
 595 static BOOL loaderdrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 596 {
 597     return load_driver()->pGetClipboardData( format, h16, h32 );
 598 }
 599
 600 static INT loaderdrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 601 {
 602     return load_driver()->pGetClipboardFormatName( format, buffer, len );
 603 }
 604
 605 static BOOL loaderdrv_IsClipboardFormatAvailable( UINT format )
 606 {
 607     return load_driver()->pIsClipboardFormatAvailable( format );
 608 }
 609
 610 static UINT loaderdrv_RegisterClipboardFormat( LPCWSTR name )
 611 {
 612     return load_driver()->pRegisterClipboardFormat( name );
 613 }
 614
 615 static BOOL loaderdrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 616 {
 617     return load_driver()->pSetClipboardData( format, h16, h32, owner );
 618 }
 619
 620 static LONG loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 621                                                DWORD flags, LPVOID lparam )
 622 {
 623     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 624 }
 625
 626 static BOOL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 627 {
 628     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 629 }
 630
 631 static BOOL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 632 {
 633     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 634 }
 635
 636 static BOOL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 637 {
 638     return load_driver()->pGetMonitorInfo( handle, info );
 639 }
 640
 641 static BOOL loaderdrv_CreateDesktopWindow( HWND hwnd )
 642 {
 643     return load_driver()->pCreateDesktopWindow( hwnd );
 644 }
 645
 646 static BOOL loaderdrv_CreateWindow( HWND hwnd )
 647 {
 648     return load_driver()->pCreateWindow( hwnd );
 649 }
 650
 651 static void loaderdrv_DestroyWindow( HWND hwnd )
 652 {
 653     load_driver()->pDestroyWindow( hwnd );
 654 }
 655
 656 static void loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 657                              const RECT *top_rect, DWORD flags )
 658 {
 659     load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
 660 }
 661
 662 static DWORD loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 663                                                     DWORD mask, DWORD flags )
 664 {
 665     return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
 666 }
 667
 668 static void loaderdrv_ReleaseDC( HWND hwnd, HDC hdc )
 669 {
 670     load_driver()->pReleaseDC( hwnd, hdc );
 671 }
 672
 673 static BOOL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 674                                 HRGN hrgn, LPRECT update )
 675 {
 676     return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
 677 }
 678
 679 static void loaderdrv_SetFocus( HWND hwnd )
 680 {
 681     load_driver()->pSetFocus( hwnd );
 682 }
 683
 684 static void loaderdrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 685 {
 686     load_driver()->pSetParent( hwnd, parent, old_parent );
 687 }
 688
 689 static void loaderdrv_SetWindowPos( HWND hwnd, HWND insert_after, UINT swp_flags,
 690                                     const RECT *window_rect, const RECT *client_rect,
 691                                     const RECT *visible_rect, const RECT *valid_rects )
 692 {
 693     return load_driver()->pSetWindowPos( hwnd, insert_after, swp_flags, window_rect,
 694                                          client_rect, visible_rect, valid_rects );
 695 }
 696
 697 static int loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 698 {
 699     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 700 }
 701
 702 static void loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 703 {
 704     load_driver()->pSetWindowIcon( hwnd, type, icon );
 705 }
 706
 707 static void loaderdrv_SetWindowStyle( HWND hwnd, DWORD old_style )
 708 {
 709     load_driver()->pSetWindowStyle( hwnd, old_style );
 710 }
 711
 712 static void loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
 713 {
 714     load_driver()->pSetWindowText( hwnd, text );
 715 }
 716
 717 static void loaderdrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
 718 {
 719     load_driver()->pSysCommandSizeMove( hwnd, wparam );
 720 }
 721
 722 static LRESULT loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 723 {
 724     return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
 725 }
 726
 727 static const USER_DRIVER lazy_load_driver =
 728 {
 729     /* keyboard functions */
 730     loaderdrv_ActivateKeyboardLayout,
 731     loaderdrv_Beep,
 732     loaderdrv_GetAsyncKeyState,
 733     loaderdrv_GetKeyNameText,
 734     loaderdrv_GetKeyboardLayout,
 735     loaderdrv_GetKeyboardLayoutList,
 736     loaderdrv_GetKeyboardLayoutName,
 737     loaderdrv_LoadKeyboardLayout,
 738     loaderdrv_MapVirtualKeyEx,
 739     loaderdrv_SendInput,
 740     loaderdrv_ToUnicodeEx,
 741     loaderdrv_UnloadKeyboardLayout,
 742     loaderdrv_VkKeyScanEx,
 743     /* mouse functions */
 744     loaderdrv_SetCursor,
 745     loaderdrv_GetCursorPos,
 746     loaderdrv_SetCursorPos,
 747     loaderdrv_ClipCursor,
 748     /* screen saver functions */
 749     loaderdrv_GetScreenSaveActive,
 750     loaderdrv_SetScreenSaveActive,
 751     /* clipboard functions */
 752     loaderdrv_AcquireClipboard,
 753     loaderdrv_CountClipboardFormats,
 754     loaderdrv_EmptyClipboard,
 755     loaderdrv_EndClipboardUpdate,
 756     loaderdrv_EnumClipboardFormats,
 757     loaderdrv_GetClipboardData,
 758     loaderdrv_GetClipboardFormatName,
 759     loaderdrv_IsClipboardFormatAvailable,
 760     loaderdrv_RegisterClipboardFormat,
 761     loaderdrv_SetClipboardData,
 762     /* display modes */
 763     loaderdrv_ChangeDisplaySettingsEx,
 764     loaderdrv_EnumDisplayMonitors,
 765     loaderdrv_EnumDisplaySettingsEx,
 766     loaderdrv_GetMonitorInfo,
 767     /* windowing functions */
 768     loaderdrv_CreateDesktopWindow,
 769     loaderdrv_CreateWindow,
 770     loaderdrv_DestroyWindow,
 771     loaderdrv_GetDC,
 772     loaderdrv_MsgWaitForMultipleObjectsEx,
 773     loaderdrv_ReleaseDC,
 774     loaderdrv_ScrollDC,
 775     loaderdrv_SetFocus,
 776     loaderdrv_SetParent,
 777     loaderdrv_SetWindowPos,
 778     loaderdrv_SetWindowRgn,
 779     loaderdrv_SetWindowIcon,
 780     loaderdrv_SetWindowStyle,
 781     loaderdrv_SetWindowText,
 782     loaderdrv_SysCommandSizeMove,
 783     loaderdrv_WindowMessage
 784 };