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 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     *driver = null_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(GetKeyboardLayoutName);
  81         GET_USER_FUNC(LoadKeyboardLayout);
  82         GET_USER_FUNC(MapVirtualKeyEx);
  83         GET_USER_FUNC(SendInput);
  84         GET_USER_FUNC(ToUnicodeEx);
  85         GET_USER_FUNC(UnloadKeyboardLayout);
  86         GET_USER_FUNC(VkKeyScanEx);
  87         GET_USER_FUNC(SetCursor);
  88         GET_USER_FUNC(GetCursorPos);
  89         GET_USER_FUNC(SetCursorPos);
  90         GET_USER_FUNC(ClipCursor);
  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(GetDC);
 111         GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 112         GET_USER_FUNC(ReleaseDC);
 113         GET_USER_FUNC(ScrollDC);
 114         GET_USER_FUNC(SetCapture);
 115         GET_USER_FUNC(SetFocus);
 116         GET_USER_FUNC(SetLayeredWindowAttributes);
 117         GET_USER_FUNC(SetParent);
 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(SysCommand);
 124         GET_USER_FUNC(WindowMessage);
 125         GET_USER_FUNC(WindowPosChanging);
 126         GET_USER_FUNC(WindowPosChanged);
 127 #undef GET_USER_FUNC
 128     }
 129
 130     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, &lazy_load_driver );
 131     if (prev != &lazy_load_driver)
 132     {
 133         /* another thread beat us to it */
 134         HeapFree( GetProcessHeap(), 0, driver );
 135         FreeLibrary( graphics_driver );
 136         driver = prev;
 137     }
 138     return driver;
 139 }
 140
 141 /* unload the graphics driver on process exit */
 142 void USER_unload_driver(void)
 143 {
 144     /* make sure we don't try to call the driver after it has been detached */
 145     USER_Driver = &null_driver;
 146 }
 147
 148
 149 /**********************************************************************
 150  * Null user driver
 151  *
 152  * These are fallbacks for entry points that are not implemented in the real driver.
 153  */
 154
 155 static HKL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 156 {
 157     return 0;
 158 }
 159
 160 static void nulldrv_Beep(void)
 161 {
 162 }
 163
 164 static SHORT nulldrv_GetAsyncKeyState( INT key )
 165 {
 166     return 0;
 167 }
 168
 169 static INT nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 170 {
 171     return 0;
 172 }
 173
 174 static HKL nulldrv_GetKeyboardLayout( DWORD layout )
 175 {
 176     return 0;
 177 }
 178
 179 static BOOL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 180 {
 181     return FALSE;
 182 }
 183
 184 static HKL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 185 {
 186     return 0;
 187 }
 188
 189 static UINT nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 190 {
 191     return 0;
 192 }
 193
 194 static UINT nulldrv_SendInput( UINT count, LPINPUT inputs, int size )
 195 {
 196     return 0;
 197 }
 198
 199 static INT nulldrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 200                                 int size, UINT flags, HKL layout )
 201 {
 202     return 0;
 203 }
 204
 205 static BOOL nulldrv_UnloadKeyboardLayout( HKL layout )
 206 {
 207     return 0;
 208 }
 209
 210 static SHORT nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 211 {
 212     return -1;
 213 }
 214
 215 static void nulldrv_SetCursor( struct tagCURSORICONINFO *info )
 216 {
 217 }
 218
 219 static BOOL nulldrv_GetCursorPos( LPPOINT pt )
 220 {
 221     return FALSE;
 222 }
 223
 224 static BOOL nulldrv_SetCursorPos( INT x, INT y )
 225 {
 226     return FALSE;
 227 }
 228
 229 static BOOL nulldrv_ClipCursor( LPCRECT clip )
 230 {
 231     return FALSE;
 232 }
 233
 234 static BOOL nulldrv_GetScreenSaveActive(void)
 235 {
 236     return FALSE;
 237 }
 238
 239 static void nulldrv_SetScreenSaveActive( BOOL on )
 240 {
 241 }
 242
 243 static INT nulldrv_AcquireClipboard( HWND hwnd )
 244 {
 245     return 0;
 246 }
 247
 248 static BOOL nulldrv_CountClipboardFormats(void)
 249 {
 250     return 0;
 251 }
 252
 253 static void nulldrv_EmptyClipboard( BOOL keepunowned )
 254 {
 255 }
 256
 257 static void nulldrv_EndClipboardUpdate(void)
 258 {
 259 }
 260
 261 static UINT nulldrv_EnumClipboardFormats( UINT format )
 262 {
 263     return 0;
 264 }
 265
 266 static BOOL nulldrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 267 {
 268     return FALSE;
 269 }
 270
 271 static INT nulldrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 272 {
 273     return FALSE;
 274 }
 275
 276 static BOOL nulldrv_IsClipboardFormatAvailable( UINT format )
 277 {
 278     return FALSE;
 279 }
 280
 281 static UINT nulldrv_RegisterClipboardFormat( LPCWSTR name )
 282 {
 283     return 0;
 284 }
 285
 286 static BOOL nulldrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 287 {
 288     return FALSE;
 289 }
 290
 291 static LONG nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 292                                              DWORD flags, LPVOID lparam )
 293 {
 294     return DISP_CHANGE_FAILED;
 295 }
 296
 297 static BOOL nulldrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 298 {
 299     return FALSE;
 300 }
 301
 302 static BOOL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 303 {
 304     return FALSE;
 305 }
 306
 307 static BOOL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 308 {
 309     return FALSE;
 310 }
 311
 312 static BOOL nulldrv_CreateDesktopWindow( HWND hwnd )
 313 {
 314     return TRUE;
 315 }
 316
 317 static BOOL nulldrv_CreateWindow( HWND hwnd )
 318 {
 319     static int warned;
 320     if (warned++)
 321         return FALSE;
 322
 323     MESSAGE( "Application tried to create a window, but no driver could be loaded.\n");
 324     switch (driver_load_error)
 325     {
 326     case ERROR_MOD_NOT_FOUND:
 327         MESSAGE( "The X11 driver is missing.  Check your build!\n" );
 328         break;
 329     case ERROR_DLL_INIT_FAILED:
 330         MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
 331         break;
 332     default:
 333         MESSAGE( "Unknown error (%d).\n", driver_load_error );
 334     }
 335
 336     return FALSE;
 337 }
 338
 339 static void nulldrv_DestroyWindow( HWND hwnd )
 340 {
 341 }
 342
 343 static void nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 344                            const RECT *top_rect, DWORD flags )
 345 {
 346 }
 347
 348 static DWORD nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 349                                                   DWORD mask, DWORD flags )
 350 {
 351     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 352                                      timeout, flags & MWMO_ALERTABLE );
 353 }
 354
 355 static void nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
 356 {
 357 }
 358
 359 static BOOL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 360                               HRGN hrgn, LPRECT update )
 361 {
 362     return FALSE;
 363 }
 364
 365 static void nulldrv_SetCapture( HWND hwnd, UINT flags )
 366 {
 367 }
 368
 369 static void nulldrv_SetFocus( HWND hwnd )
 370 {
 371 }
 372
 373 static void nulldrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 374 {
 375 }
 376
 377 static void nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 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, INT offset, STYLESTRUCT *style )
 391 {
 392 }
 393
 394 static void nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 395 {
 396 }
 397
 398 static UINT nulldrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 399 {
 400     return swp;
 401 }
 402
 403 static LRESULT nulldrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 404 {
 405     return -1;
 406 }
 407
 408 static LRESULT nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 409 {
 410     return 0;
 411 }
 412
 413 static void nulldrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 414                                        const RECT *window_rect, const RECT *client_rect,
 415                                        RECT *visible_rect )
 416 {
 417 }
 418
 419 static void nulldrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 420                                       const RECT *window_rect, const RECT *client_rect,
 421                                       const RECT *visible_rect, const RECT *valid_rects )
 422 {
 423 }
 424
 425 static USER_DRIVER null_driver =
 426 {
 427     /* keyboard functions */
 428     nulldrv_ActivateKeyboardLayout,
 429     nulldrv_Beep,
 430     nulldrv_GetAsyncKeyState,
 431     nulldrv_GetKeyNameText,
 432     nulldrv_GetKeyboardLayout,
 433     nulldrv_GetKeyboardLayoutName,
 434     nulldrv_LoadKeyboardLayout,
 435     nulldrv_MapVirtualKeyEx,
 436     nulldrv_SendInput,
 437     nulldrv_ToUnicodeEx,
 438     nulldrv_UnloadKeyboardLayout,
 439     nulldrv_VkKeyScanEx,
 440     /* mouse functions */
 441     nulldrv_SetCursor,
 442     nulldrv_GetCursorPos,
 443     nulldrv_SetCursorPos,
 444     nulldrv_ClipCursor,
 445     /* screen saver functions */
 446     nulldrv_GetScreenSaveActive,
 447     nulldrv_SetScreenSaveActive,
 448     /* clipboard functions */
 449     nulldrv_AcquireClipboard,
 450     nulldrv_CountClipboardFormats,
 451     nulldrv_EmptyClipboard,
 452     nulldrv_EndClipboardUpdate,
 453     nulldrv_EnumClipboardFormats,
 454     nulldrv_GetClipboardData,
 455     nulldrv_GetClipboardFormatName,
 456     nulldrv_IsClipboardFormatAvailable,
 457     nulldrv_RegisterClipboardFormat,
 458     nulldrv_SetClipboardData,
 459     /* display modes */
 460     nulldrv_ChangeDisplaySettingsEx,
 461     nulldrv_EnumDisplayMonitors,
 462     nulldrv_EnumDisplaySettingsEx,
 463     nulldrv_GetMonitorInfo,
 464     /* windowing functions */
 465     nulldrv_CreateDesktopWindow,
 466     nulldrv_CreateWindow,
 467     nulldrv_DestroyWindow,
 468     nulldrv_GetDC,
 469     nulldrv_MsgWaitForMultipleObjectsEx,
 470     nulldrv_ReleaseDC,
 471     nulldrv_ScrollDC,
 472     nulldrv_SetCapture,
 473     nulldrv_SetFocus,
 474     nulldrv_SetLayeredWindowAttributes,
 475     nulldrv_SetParent,
 476     nulldrv_SetWindowRgn,
 477     nulldrv_SetWindowIcon,
 478     nulldrv_SetWindowStyle,
 479     nulldrv_SetWindowText,
 480     nulldrv_ShowWindow,
 481     nulldrv_SysCommand,
 482     nulldrv_WindowMessage,
 483     nulldrv_WindowPosChanging,
 484     nulldrv_WindowPosChanged
 485 };
 486
 487
 488 /**********************************************************************
 489  * Lazy loading user driver
 490  *
 491  * Initial driver used before another driver is loaded.
 492  * Each entry point simply loads the real driver and chains to it.
 493  */
 494
 495 static HKL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 496 {
 497     return load_driver()->pActivateKeyboardLayout( layout, flags );
 498 }
 499
 500 static void loaderdrv_Beep(void)
 501 {
 502     load_driver()->pBeep();
 503 }
 504
 505 static SHORT loaderdrv_GetAsyncKeyState( INT key )
 506 {
 507     return load_driver()->pGetAsyncKeyState( key );
 508 }
 509
 510 static INT loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 511 {
 512     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 513 }
 514
 515 static HKL loaderdrv_GetKeyboardLayout( DWORD layout )
 516 {
 517     return load_driver()->pGetKeyboardLayout( layout );
 518 }
 519
 520 static BOOL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 521 {
 522     return load_driver()->pGetKeyboardLayoutName( name );
 523 }
 524
 525 static HKL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 526 {
 527     return load_driver()->pLoadKeyboardLayout( name, flags );
 528 }
 529
 530 static UINT loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 531 {
 532     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 533 }
 534
 535 static UINT loaderdrv_SendInput( UINT count, LPINPUT inputs, int size )
 536 {
 537     return load_driver()->pSendInput( count, inputs, size );
 538 }
 539
 540 static INT loaderdrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 541                                   int size, UINT flags, HKL layout )
 542 {
 543     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 544 }
 545
 546 static BOOL loaderdrv_UnloadKeyboardLayout( HKL layout )
 547 {
 548     return load_driver()->pUnloadKeyboardLayout( layout );
 549 }
 550
 551 static SHORT loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 552 {
 553     return load_driver()->pVkKeyScanEx( ch, layout );
 554 }
 555
 556 static void loaderdrv_SetCursor( struct tagCURSORICONINFO *info )
 557 {
 558     load_driver()->pSetCursor( info );
 559 }
 560
 561 static BOOL loaderdrv_GetCursorPos( LPPOINT pt )
 562 {
 563     return load_driver()->pGetCursorPos( pt );
 564 }
 565
 566 static BOOL loaderdrv_SetCursorPos( INT x, INT y )
 567 {
 568     return load_driver()->pSetCursorPos( x, y );
 569 }
 570
 571 static BOOL loaderdrv_ClipCursor( LPCRECT clip )
 572 {
 573     return load_driver()->pClipCursor( clip );
 574 }
 575
 576 static BOOL loaderdrv_GetScreenSaveActive(void)
 577 {
 578     return load_driver()->pGetScreenSaveActive();
 579 }
 580
 581 static void loaderdrv_SetScreenSaveActive( BOOL on )
 582 {
 583     load_driver()->pSetScreenSaveActive( on );
 584 }
 585
 586 static INT loaderdrv_AcquireClipboard( HWND hwnd )
 587 {
 588     return load_driver()->pAcquireClipboard( hwnd );
 589 }
 590
 591 static BOOL loaderdrv_CountClipboardFormats(void)
 592 {
 593     return load_driver()->pCountClipboardFormats();
 594 }
 595
 596 static void loaderdrv_EmptyClipboard( BOOL keepunowned )
 597 {
 598     load_driver()->pEmptyClipboard( keepunowned );
 599 }
 600
 601 static void loaderdrv_EndClipboardUpdate(void)
 602 {
 603     load_driver()->pEndClipboardUpdate();
 604 }
 605
 606 static UINT loaderdrv_EnumClipboardFormats( UINT format )
 607 {
 608     return load_driver()->pEnumClipboardFormats( format );
 609 }
 610
 611 static BOOL loaderdrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
 612 {
 613     return load_driver()->pGetClipboardData( format, h16, h32 );
 614 }
 615
 616 static INT loaderdrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
 617 {
 618     return load_driver()->pGetClipboardFormatName( format, buffer, len );
 619 }
 620
 621 static BOOL loaderdrv_IsClipboardFormatAvailable( UINT format )
 622 {
 623     return load_driver()->pIsClipboardFormatAvailable( format );
 624 }
 625
 626 static UINT loaderdrv_RegisterClipboardFormat( LPCWSTR name )
 627 {
 628     return load_driver()->pRegisterClipboardFormat( name );
 629 }
 630
 631 static BOOL loaderdrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
 632 {
 633     return load_driver()->pSetClipboardData( format, h16, h32, owner );
 634 }
 635
 636 static LONG loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 637                                                DWORD flags, LPVOID lparam )
 638 {
 639     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 640 }
 641
 642 static BOOL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 643 {
 644     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 645 }
 646
 647 static BOOL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 648 {
 649     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 650 }
 651
 652 static BOOL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 653 {
 654     return load_driver()->pGetMonitorInfo( handle, info );
 655 }
 656
 657 static BOOL loaderdrv_CreateDesktopWindow( HWND hwnd )
 658 {
 659     return load_driver()->pCreateDesktopWindow( hwnd );
 660 }
 661
 662 static BOOL loaderdrv_CreateWindow( HWND hwnd )
 663 {
 664     return load_driver()->pCreateWindow( hwnd );
 665 }
 666
 667 static void loaderdrv_DestroyWindow( HWND hwnd )
 668 {
 669     load_driver()->pDestroyWindow( hwnd );
 670 }
 671
 672 static void loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 673                              const RECT *top_rect, DWORD flags )
 674 {
 675     load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
 676 }
 677
 678 static DWORD loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 679                                                     DWORD mask, DWORD flags )
 680 {
 681     return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
 682 }
 683
 684 static void loaderdrv_ReleaseDC( HWND hwnd, HDC hdc )
 685 {
 686     load_driver()->pReleaseDC( hwnd, hdc );
 687 }
 688
 689 static BOOL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 690                                 HRGN hrgn, LPRECT update )
 691 {
 692     return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
 693 }
 694
 695 static void loaderdrv_SetCapture( HWND hwnd, UINT flags )
 696 {
 697     load_driver()->pSetCapture( hwnd, flags );
 698 }
 699
 700 static void loaderdrv_SetFocus( HWND hwnd )
 701 {
 702     load_driver()->pSetFocus( hwnd );
 703 }
 704
 705 static void loaderdrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 706 {
 707     load_driver()->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
 708 }
 709
 710 static void loaderdrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 711 {
 712     load_driver()->pSetParent( hwnd, parent, old_parent );
 713 }
 714
 715 static int loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 716 {
 717     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 718 }
 719
 720 static void loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 721 {
 722     load_driver()->pSetWindowIcon( hwnd, type, icon );
 723 }
 724
 725 static void loaderdrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 726 {
 727     load_driver()->pSetWindowStyle( hwnd, offset, style );
 728 }
 729
 730 static void loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
 731 {
 732     load_driver()->pSetWindowText( hwnd, text );
 733 }
 734
 735 static UINT loaderdrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 736 {
 737     return load_driver()->pShowWindow( hwnd, cmd, rect, swp );
 738 }
 739
 740 static LRESULT loaderdrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 741 {
 742     return load_driver()->pSysCommand( hwnd, wparam, lparam );
 743 }
 744
 745 static LRESULT loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 746 {
 747     return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
 748 }
 749
 750 static void loaderdrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 751                                          const RECT *window_rect, const RECT *client_rect,
 752                                          RECT *visible_rect )
 753 {
 754     load_driver()->pWindowPosChanging( hwnd, insert_after, swp_flags,
 755                                        window_rect, client_rect, visible_rect );
 756 }
 757
 758 static void loaderdrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 759                                         const RECT *window_rect, const RECT *client_rect,
 760                                         const RECT *visible_rect, const RECT *valid_rects )
 761 {
 762     load_driver()->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
 763                                       client_rect, visible_rect, valid_rects );
 764 }
 765
 766 static USER_DRIVER lazy_load_driver =
 767 {
 768     /* keyboard functions */
 769     loaderdrv_ActivateKeyboardLayout,
 770     loaderdrv_Beep,
 771     loaderdrv_GetAsyncKeyState,
 772     loaderdrv_GetKeyNameText,
 773     loaderdrv_GetKeyboardLayout,
 774     loaderdrv_GetKeyboardLayoutName,
 775     loaderdrv_LoadKeyboardLayout,
 776     loaderdrv_MapVirtualKeyEx,
 777     loaderdrv_SendInput,
 778     loaderdrv_ToUnicodeEx,
 779     loaderdrv_UnloadKeyboardLayout,
 780     loaderdrv_VkKeyScanEx,
 781     /* mouse functions */
 782     loaderdrv_SetCursor,
 783     loaderdrv_GetCursorPos,
 784     loaderdrv_SetCursorPos,
 785     loaderdrv_ClipCursor,
 786     /* screen saver functions */
 787     loaderdrv_GetScreenSaveActive,
 788     loaderdrv_SetScreenSaveActive,
 789     /* clipboard functions */
 790     loaderdrv_AcquireClipboard,
 791     loaderdrv_CountClipboardFormats,
 792     loaderdrv_EmptyClipboard,
 793     loaderdrv_EndClipboardUpdate,
 794     loaderdrv_EnumClipboardFormats,
 795     loaderdrv_GetClipboardData,
 796     loaderdrv_GetClipboardFormatName,
 797     loaderdrv_IsClipboardFormatAvailable,
 798     loaderdrv_RegisterClipboardFormat,
 799     loaderdrv_SetClipboardData,
 800     /* display modes */
 801     loaderdrv_ChangeDisplaySettingsEx,
 802     loaderdrv_EnumDisplayMonitors,
 803     loaderdrv_EnumDisplaySettingsEx,
 804     loaderdrv_GetMonitorInfo,
 805     /* windowing functions */
 806     loaderdrv_CreateDesktopWindow,
 807     loaderdrv_CreateWindow,
 808     loaderdrv_DestroyWindow,
 809     loaderdrv_GetDC,
 810     loaderdrv_MsgWaitForMultipleObjectsEx,
 811     loaderdrv_ReleaseDC,
 812     loaderdrv_ScrollDC,
 813     loaderdrv_SetCapture,
 814     loaderdrv_SetFocus,
 815     loaderdrv_SetLayeredWindowAttributes,
 816     loaderdrv_SetParent,
 817     loaderdrv_SetWindowRgn,
 818     loaderdrv_SetWindowIcon,
 819     loaderdrv_SetWindowStyle,
 820     loaderdrv_SetWindowText,
 821     loaderdrv_ShowWindow,
 822     loaderdrv_SysCommand,
 823     loaderdrv_WindowMessage,
 824     loaderdrv_WindowPosChanging,
 825     loaderdrv_WindowPosChanged
 826 };