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(GetDCEx);
 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(ShowWindow);
 123         GET_USER_FUNC(SysCommandSizeMove);
 124         GET_USER_FUNC(WindowFromDC);
 125         GET_USER_FUNC(WindowMessage);
 126 #undef GET_USER_FUNC
 127     }
 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_ClipCursor( LPCRECT clip )
 234 {
 235     return FALSE;
 236 }
 237
 238 static BOOL nulldrv_GetScreenSaveActive(void)
 239 {
 240     return FALSE;
 241 }
 242
 243 static void nulldrv_SetScreenSaveActive( BOOL on )
 244 {
 245 }
 246
 247 static INT nulldrv_AcquireClipboard( HWND hwnd )
 248 {
 249     return 0;
 250 }
 251
 252 static BOOL nulldrv_CountClipboardFormats(void)
 253 {
 254     return 0;
 255 }
 256
 257 static void nulldrv_EmptyClipboard( BOOL keepunowned )
 258 {
 259 }
 260
 261 static void nulldrv_EndClipboardUpdate(void)
 262 {
 263 }
 264
 265 static UINT nulldrv_EnumClipboardFormats( UINT format )
 266 {
 267     return 0;
 268 }
 269
 270 static BOOL nulldrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 271 {
 272     return FALSE;
 273 }
 274
 275 static INT nulldrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 276 {
 277     return FALSE;
 278 }
 279
 280 static BOOL nulldrv_IsClipboardFormatAvailable( UINT format )
 281 {
 282     return FALSE;
 283 }
 284
 285 static UINT nulldrv_RegisterClipboardFormat( LPCWSTR name )
 286 {
 287     return 0;
 288 }
 289
 290 static BOOL nulldrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 291 {
 292     return FALSE;
 293 }
 294
 295 static LONG nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 296                                              DWORD flags, LPVOID lparam )
 297 {
 298     return DISP_CHANGE_FAILED;
 299 }
 300
 301 static BOOL nulldrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 302 {
 303     return FALSE;
 304 }
 305
 306 static BOOL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 307 {
 308     return FALSE;
 309 }
 310
 311 static BOOL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 312 {
 313     return FALSE;
 314 }
 315
 316 static BOOL nulldrv_CreateDesktopWindow( HWND hwnd )
 317 {
 318     return TRUE;
 319 }
 320
 321 static BOOL nulldrv_CreateWindow( HWND hwnd )
 322 {
 323     static int warned;
 324     if (warned++)
 325         return FALSE;
 326
 327     MESSAGE( "Application tried to create a window, but no driver could be loaded.\n");
 328     switch (driver_load_error)
 329     {
 330     case ERROR_MOD_NOT_FOUND:
 331         MESSAGE( "The X11 driver is missing.  Check your build!\n" );
 332         break;
 333     case ERROR_DLL_INIT_FAILED:
 334         MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
 335         break;
 336     default:
 337         MESSAGE( "Unknown error (%d).\n", driver_load_error );
 338     }
 339
 340     return FALSE;
 341 }
 342
 343 static void nulldrv_DestroyWindow( HWND hwnd )
 344 {
 345 }
 346
 347 static HDC nulldrv_GetDCEx( HWND hwnd, HRGN hrgn, DWORD flags )
 348 {
 349     return 0;
 350 }
 351
 352 static DWORD nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 353                                                   DWORD mask, DWORD flags )
 354 {
 355     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 356                                      timeout, flags & MWMO_ALERTABLE );
 357 }
 358
 359 static INT nulldrv_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
 360 {
 361     return 0;
 362 }
 363
 364 static BOOL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 365                               HRGN hrgn, LPRECT update )
 366 {
 367     return FALSE;
 368 }
 369
 370 static void nulldrv_SetFocus( HWND hwnd )
 371 {
 372 }
 373
 374 static void nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 375 {
 376 }
 377
 378 static void nulldrv_SetWindowPos( HWND hwnd, HWND insert_after, UINT swp_flags,
 379                                   const RECT *window_rect, const RECT *client_rect,
 380                                   const RECT *visible_rect, const RECT *valid_rects )
 381 {
 382 }
 383
 384 static int nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 385 {
 386     return 1;
 387 }
 388
 389 static void nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 390 {
 391 }
 392
 393 static void nulldrv_SetWindowStyle( HWND hwnd, DWORD old_style )
 394 {
 395 }
 396
 397 static void nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 398 {
 399 }
 400
 401 static BOOL nulldrv_ShowWindow( HWND hwnd, INT cmd )
 402 {
 403     return FALSE;
 404 }
 405
 406 static void nulldrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
 407 {
 408 }
 409
 410 static HWND nulldrv_WindowFromDC( HDC hdc )
 411 {
 412     return 0;
 413 }
 414
 415 static LRESULT nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 416 {
 417     return 0;
 418 }
 419
 420 static const USER_DRIVER null_driver =
 421 {
 422     /* keyboard functions */
 423     nulldrv_ActivateKeyboardLayout,
 424     nulldrv_Beep,
 425     nulldrv_GetAsyncKeyState,
 426     nulldrv_GetKeyNameText,
 427     nulldrv_GetKeyboardLayout,
 428     nulldrv_GetKeyboardLayoutList,
 429     nulldrv_GetKeyboardLayoutName,
 430     nulldrv_LoadKeyboardLayout,
 431     nulldrv_MapVirtualKeyEx,
 432     nulldrv_SendInput,
 433     nulldrv_ToUnicodeEx,
 434     nulldrv_UnloadKeyboardLayout,
 435     nulldrv_VkKeyScanEx,
 436     /* mouse functions */
 437     nulldrv_SetCursor,
 438     nulldrv_GetCursorPos,
 439     nulldrv_SetCursorPos,
 440     nulldrv_ClipCursor,
 441     /* screen saver functions */
 442     nulldrv_GetScreenSaveActive,
 443     nulldrv_SetScreenSaveActive,
 444     /* clipboard functions */
 445     nulldrv_AcquireClipboard,
 446     nulldrv_CountClipboardFormats,
 447     nulldrv_EmptyClipboard,
 448     nulldrv_EndClipboardUpdate,
 449     nulldrv_EnumClipboardFormats,
 450     nulldrv_GetClipboardData,
 451     nulldrv_GetClipboardFormatName,
 452     nulldrv_IsClipboardFormatAvailable,
 453     nulldrv_RegisterClipboardFormat,
 454     nulldrv_SetClipboardData,
 455     /* display modes */
 456     nulldrv_ChangeDisplaySettingsEx,
 457     nulldrv_EnumDisplayMonitors,
 458     nulldrv_EnumDisplaySettingsEx,
 459     nulldrv_GetMonitorInfo,
 460     /* windowing functions */
 461     nulldrv_CreateDesktopWindow,
 462     nulldrv_CreateWindow,
 463     nulldrv_DestroyWindow,
 464     nulldrv_GetDCEx,
 465     nulldrv_MsgWaitForMultipleObjectsEx,
 466     nulldrv_ReleaseDC,
 467     nulldrv_ScrollDC,
 468     nulldrv_SetFocus,
 469     nulldrv_SetParent,
 470     nulldrv_SetWindowPos,
 471     nulldrv_SetWindowRgn,
 472     nulldrv_SetWindowIcon,
 473     nulldrv_SetWindowStyle,
 474     nulldrv_SetWindowText,
 475     nulldrv_ShowWindow,
 476     nulldrv_SysCommandSizeMove,
 477     nulldrv_WindowFromDC,
 478     nulldrv_WindowMessage
 479 };
 480
 481
 482 /**********************************************************************
 483  * Lazy loading user driver
 484  *
 485  * Initial driver used before another driver is loaded.
 486  * Each entry point simply loads the real driver and chains to it.
 487  */
 488
 489 static HKL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 490 {
 491     return load_driver()->pActivateKeyboardLayout( layout, flags );
 492 }
 493
 494 static void loaderdrv_Beep(void)
 495 {
 496     load_driver()->pBeep();
 497 }
 498
 499 static SHORT loaderdrv_GetAsyncKeyState( INT key )
 500 {
 501     return load_driver()->pGetAsyncKeyState( key );
 502 }
 503
 504 static INT loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 505 {
 506     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 507 }
 508
 509 static HKL loaderdrv_GetKeyboardLayout( DWORD layout )
 510 {
 511     return load_driver()->pGetKeyboardLayout( layout );
 512 }
 513
 514 static UINT loaderdrv_GetKeyboardLayoutList( INT count, HKL *layouts )
 515 {
 516     return load_driver()->pGetKeyboardLayoutList( count, layouts );
 517 }
 518
 519 static BOOL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 520 {
 521     return load_driver()->pGetKeyboardLayoutName( name );
 522 }
 523
 524 static HKL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 525 {
 526     return load_driver()->pLoadKeyboardLayout( name, flags );
 527 }
 528
 529 static UINT loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 530 {
 531     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 532 }
 533
 534 static UINT loaderdrv_SendInput( UINT count, LPINPUT inputs, int size )
 535 {
 536     return load_driver()->pSendInput( count, inputs, size );
 537 }
 538
 539 static INT loaderdrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
 540                                   int size, UINT flags, HKL layout )
 541 {
 542     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 543 }
 544
 545 static BOOL loaderdrv_UnloadKeyboardLayout( HKL layout )
 546 {
 547     return load_driver()->pUnloadKeyboardLayout( layout );
 548 }
 549
 550 static SHORT loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 551 {
 552     return load_driver()->pVkKeyScanEx( ch, layout );
 553 }
 554
 555 static void loaderdrv_SetCursor( struct tagCURSORICONINFO *info )
 556 {
 557     load_driver()->pSetCursor( info );
 558 }
 559
 560 static BOOL loaderdrv_GetCursorPos( LPPOINT pt )
 561 {
 562     return load_driver()->pGetCursorPos( pt );
 563 }
 564
 565 static BOOL loaderdrv_SetCursorPos( INT x, INT y )
 566 {
 567     return load_driver()->pSetCursorPos( x, y );
 568 }
 569
 570 static BOOL loaderdrv_ClipCursor( LPCRECT clip )
 571 {
 572     return load_driver()->pClipCursor( clip );
 573 }
 574
 575 static BOOL loaderdrv_GetScreenSaveActive(void)
 576 {
 577     return load_driver()->pGetScreenSaveActive();
 578 }
 579
 580 static void loaderdrv_SetScreenSaveActive( BOOL on )
 581 {
 582     load_driver()->pSetScreenSaveActive( on );
 583 }
 584
 585 static INT loaderdrv_AcquireClipboard( HWND hwnd )
 586 {
 587     return load_driver()->pAcquireClipboard( hwnd );
 588 }
 589
 590 static BOOL loaderdrv_CountClipboardFormats(void)
 591 {
 592     return load_driver()->pCountClipboardFormats();
 593 }
 594
 595 static void loaderdrv_EmptyClipboard( BOOL keepunowned )
 596 {
 597     load_driver()->pEmptyClipboard( keepunowned );
 598 }
 599
 600 static void loaderdrv_EndClipboardUpdate(void)
 601 {
 602     load_driver()->pEndClipboardUpdate();
 603 }
 604
 605 static UINT loaderdrv_EnumClipboardFormats( UINT format )
 606 {
 607     return load_driver()->pEnumClipboardFormats( format );
 608 }
 609
 610 static BOOL loaderdrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 611 {
 612     return load_driver()->pGetClipboardData( format, h16, h32 );
 613 }
 614
 615 static INT loaderdrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 616 {
 617     return load_driver()->pGetClipboardFormatName( format, buffer, len );
 618 }
 619
 620 static BOOL loaderdrv_IsClipboardFormatAvailable( UINT format )
 621 {
 622     return load_driver()->pIsClipboardFormatAvailable( format );
 623 }
 624
 625 static UINT loaderdrv_RegisterClipboardFormat( LPCWSTR name )
 626 {
 627     return load_driver()->pRegisterClipboardFormat( name );
 628 }
 629
 630 static BOOL loaderdrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 631 {
 632     return load_driver()->pSetClipboardData( format, h16, h32, owner );
 633 }
 634
 635 static LONG loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 636                                                DWORD flags, LPVOID lparam )
 637 {
 638     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 639 }
 640
 641 static BOOL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 642 {
 643     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 644 }
 645
 646 static BOOL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 647 {
 648     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 649 }
 650
 651 static BOOL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 652 {
 653     return load_driver()->pGetMonitorInfo( handle, info );
 654 }
 655
 656 static BOOL loaderdrv_CreateDesktopWindow( HWND hwnd )
 657 {
 658     return load_driver()->pCreateDesktopWindow( hwnd );
 659 }
 660
 661 static BOOL loaderdrv_CreateWindow( HWND hwnd )
 662 {
 663     return load_driver()->pCreateWindow( hwnd );
 664 }
 665
 666 static void loaderdrv_DestroyWindow( HWND hwnd )
 667 {
 668     load_driver()->pDestroyWindow( hwnd );
 669 }
 670
 671 static HDC loaderdrv_GetDCEx( HWND hwnd, HRGN hrgn, DWORD flags )
 672 {
 673     return load_driver()->pGetDCEx( hwnd, hrgn, flags );
 674 }
 675
 676 static DWORD loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 677                                                     DWORD mask, DWORD flags )
 678 {
 679     return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
 680 }
 681
 682 static INT loaderdrv_ReleaseDC( HWND hwnd, HDC hdc, BOOL end_paint )
 683 {
 684     return load_driver()->pReleaseDC( hwnd, hdc, end_paint );
 685 }
 686
 687 static BOOL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 688                                 HRGN hrgn, LPRECT update )
 689 {
 690     return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
 691 }
 692
 693 static void loaderdrv_SetFocus( HWND hwnd )
 694 {
 695     load_driver()->pSetFocus( hwnd );
 696 }
 697
 698 static void loaderdrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 699 {
 700     load_driver()->pSetParent( hwnd, parent, old_parent );
 701 }
 702
 703 static void loaderdrv_SetWindowPos( HWND hwnd, HWND insert_after, UINT swp_flags,
 704                                     const RECT *window_rect, const RECT *client_rect,
 705                                     const RECT *visible_rect, const RECT *valid_rects )
 706 {
 707     return load_driver()->pSetWindowPos( hwnd, insert_after, swp_flags, window_rect,
 708                                          client_rect, visible_rect, valid_rects );
 709 }
 710
 711 static int loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 712 {
 713     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 714 }
 715
 716 static void loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 717 {
 718     load_driver()->pSetWindowIcon( hwnd, type, icon );
 719 }
 720
 721 static void loaderdrv_SetWindowStyle( HWND hwnd, DWORD old_style )
 722 {
 723     load_driver()->pSetWindowStyle( hwnd, old_style );
 724 }
 725
 726 static void loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
 727 {
 728     load_driver()->pSetWindowText( hwnd, text );
 729 }
 730
 731 static BOOL loaderdrv_ShowWindow( HWND hwnd, INT cmd )
 732 {
 733     return load_driver()->pShowWindow( hwnd, cmd );
 734 }
 735
 736 static void loaderdrv_SysCommandSizeMove( HWND hwnd, WPARAM wparam )
 737 {
 738     load_driver()->pSysCommandSizeMove( hwnd, wparam );
 739 }
 740
 741 static HWND loaderdrv_WindowFromDC( HDC hdc )
 742 {
 743     return load_driver()->pWindowFromDC( hdc );
 744 }
 745
 746 static LRESULT loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 747 {
 748     return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
 749 }
 750
 751 static const USER_DRIVER lazy_load_driver =
 752 {
 753     /* keyboard functions */
 754     loaderdrv_ActivateKeyboardLayout,
 755     loaderdrv_Beep,
 756     loaderdrv_GetAsyncKeyState,
 757     loaderdrv_GetKeyNameText,
 758     loaderdrv_GetKeyboardLayout,
 759     loaderdrv_GetKeyboardLayoutList,
 760     loaderdrv_GetKeyboardLayoutName,
 761     loaderdrv_LoadKeyboardLayout,
 762     loaderdrv_MapVirtualKeyEx,
 763     loaderdrv_SendInput,
 764     loaderdrv_ToUnicodeEx,
 765     loaderdrv_UnloadKeyboardLayout,
 766     loaderdrv_VkKeyScanEx,
 767     /* mouse functions */
 768     loaderdrv_SetCursor,
 769     loaderdrv_GetCursorPos,
 770     loaderdrv_SetCursorPos,
 771     loaderdrv_ClipCursor,
 772     /* screen saver functions */
 773     loaderdrv_GetScreenSaveActive,
 774     loaderdrv_SetScreenSaveActive,
 775     /* clipboard functions */
 776     loaderdrv_AcquireClipboard,
 777     loaderdrv_CountClipboardFormats,
 778     loaderdrv_EmptyClipboard,
 779     loaderdrv_EndClipboardUpdate,
 780     loaderdrv_EnumClipboardFormats,
 781     loaderdrv_GetClipboardData,
 782     loaderdrv_GetClipboardFormatName,
 783     loaderdrv_IsClipboardFormatAvailable,
 784     loaderdrv_RegisterClipboardFormat,
 785     loaderdrv_SetClipboardData,
 786     /* display modes */
 787     loaderdrv_ChangeDisplaySettingsEx,
 788     loaderdrv_EnumDisplayMonitors,
 789     loaderdrv_EnumDisplaySettingsEx,
 790     loaderdrv_GetMonitorInfo,
 791     /* windowing functions */
 792     loaderdrv_CreateDesktopWindow,
 793     loaderdrv_CreateWindow,
 794     loaderdrv_DestroyWindow,
 795     loaderdrv_GetDCEx,
 796     loaderdrv_MsgWaitForMultipleObjectsEx,
 797     loaderdrv_ReleaseDC,
 798     loaderdrv_ScrollDC,
 799     loaderdrv_SetFocus,
 800     loaderdrv_SetParent,
 801     loaderdrv_SetWindowPos,
 802     loaderdrv_SetWindowRgn,
 803     loaderdrv_SetWindowIcon,
 804     loaderdrv_SetWindowStyle,
 805     loaderdrv_SetWindowText,
 806     loaderdrv_ShowWindow,
 807     loaderdrv_SysCommandSizeMove,
 808     loaderdrv_WindowFromDC,
 809     loaderdrv_WindowMessage
 810 };