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 "wingdi.h"
  26 #include "winuser.h"
  27 #include "wine/debug.h"
  28 #include "wine/gdi_driver.h"
  29 #include "wine/unicode.h"
  30
  31 #include "user_private.h"
  32 #include "controls.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(user);
  35 WINE_DECLARE_DEBUG_CHANNEL(winediag);
  36
  37 static USER_DRIVER null_driver, lazy_load_driver;
  38
  39 const USER_DRIVER *USER_Driver = &lazy_load_driver;
  40 static char driver_load_error[80];
  41
  42 static BOOL CDECL nodrv_CreateWindow( HWND hwnd );
  43
  44 static BOOL load_desktop_driver( HWND hwnd, HMODULE *module )
  45 {
  46     static const WCHAR display_device_guid_propW[] = {
  47         '_','_','w','i','n','e','_','d','i','s','p','l','a','y','_',
  48         'd','e','v','i','c','e','_','g','u','i','d',0 };
  49     static const WCHAR key_pathW[] = {
  50         'S','y','s','t','e','m','\\',
  51         'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
  52         'C','o','n','t','r','o','l','\\',
  53         'V','i','d','e','o','\\','{',0};
  54     static const WCHAR displayW[] = {'}','\\','0','0','0','0',0};
  55     static const WCHAR driverW[] = {'G','r','a','p','h','i','c','s','D','r','i','v','e','r',0};
  56     static const WCHAR nullW[] = {'n','u','l','l',0};
  57     BOOL ret = FALSE;
  58     HKEY hkey;
  59     DWORD size;
  60     WCHAR path[MAX_PATH];
  61     WCHAR key[ARRAY_SIZE(key_pathW) + ARRAY_SIZE(displayW) + 40];
  62     UINT guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
  63
  64     USER_CheckNotLock();
  65
  66     strcpy( driver_load_error, "The explorer process failed to start." );  /* default error */
  67
  68     if (!guid_atom)
  69     {
  70         SendMessageW( hwnd, WM_NULL, 0, 0 );  /* wait for the desktop process to be ready */
  71         guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
  72     }
  73     memcpy( key, key_pathW, sizeof(key_pathW) );
  74     if (!GlobalGetAtomNameW( guid_atom, key + strlenW(key), 40 )) return 0;
  75     strcatW( key, displayW );
  76     if (RegOpenKeyW( HKEY_LOCAL_MACHINE, key, &hkey )) return 0;
  77     size = sizeof(path);
  78     if (!RegQueryValueExW( hkey, driverW, NULL, NULL, (BYTE *)path, &size ))
  79     {
  80         if ((ret = !strcmpW( path, nullW ))) *module = NULL;
  81         else ret = (*module = LoadLibraryW( path )) != NULL;
  82         if (!ret) ERR( "failed to load %s\n", debugstr_w(path) );
  83         TRACE( "%s %p\n", debugstr_w(path), *module );
  84     }
  85     else
  86     {
  87         size = sizeof(driver_load_error);
  88         *module = NULL;
  89         RegQueryValueExA( hkey, "DriverError", NULL, NULL, (BYTE *)driver_load_error, &size );
  90     }
  91     RegCloseKey( hkey );
  92     return ret;
  93 }
  94
  95 /* load the graphics driver */
  96 static const USER_DRIVER *load_driver(void)
  97 {
  98     void *ptr;
  99     HMODULE graphics_driver;
 100     USER_DRIVER *driver, *prev;
 101
 102     driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
 103     *driver = null_driver;
 104
 105     if (!load_desktop_driver( GetDesktopWindow(), &graphics_driver ))
 106     {
 107         USEROBJECTFLAGS flags;
 108         HWINSTA winstation;
 109
 110         winstation = GetProcessWindowStation();
 111         if (!GetUserObjectInformationA(winstation, UOI_FLAGS, &flags, sizeof(flags), NULL)
 112             || (flags.dwFlags & WSF_VISIBLE))
 113             driver->pCreateWindow = nodrv_CreateWindow;
 114     }
 115     else if (graphics_driver)
 116     {
 117 #define GET_USER_FUNC(name) \
 118     do { if ((ptr = GetProcAddress( graphics_driver, #name ))) driver->p##name = ptr; } while(0)
 119
 120         GET_USER_FUNC(ActivateKeyboardLayout);
 121         GET_USER_FUNC(Beep);
 122         GET_USER_FUNC(GetKeyNameText);
 123         GET_USER_FUNC(GetKeyboardLayout);
 124         GET_USER_FUNC(GetKeyboardLayoutList);
 125         GET_USER_FUNC(GetKeyboardLayoutName);
 126         GET_USER_FUNC(LoadKeyboardLayout);
 127         GET_USER_FUNC(MapVirtualKeyEx);
 128         GET_USER_FUNC(RegisterHotKey);
 129         GET_USER_FUNC(ToUnicodeEx);
 130         GET_USER_FUNC(UnloadKeyboardLayout);
 131         GET_USER_FUNC(UnregisterHotKey);
 132         GET_USER_FUNC(VkKeyScanEx);
 133         GET_USER_FUNC(DestroyCursorIcon);
 134         GET_USER_FUNC(SetCursor);
 135         GET_USER_FUNC(GetCursorPos);
 136         GET_USER_FUNC(SetCursorPos);
 137         GET_USER_FUNC(ClipCursor);
 138         GET_USER_FUNC(UpdateClipboard);
 139         GET_USER_FUNC(ChangeDisplaySettingsEx);
 140         GET_USER_FUNC(EnumDisplayMonitors);
 141         GET_USER_FUNC(EnumDisplaySettingsEx);
 142         GET_USER_FUNC(GetMonitorInfo);
 143         GET_USER_FUNC(CreateDesktopWindow);
 144         GET_USER_FUNC(CreateWindow);
 145         GET_USER_FUNC(DestroyWindow);
 146         GET_USER_FUNC(FlashWindowEx);
 147         GET_USER_FUNC(GetDC);
 148         GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 149         GET_USER_FUNC(ReleaseDC);
 150         GET_USER_FUNC(ScrollDC);
 151         GET_USER_FUNC(SetCapture);
 152         GET_USER_FUNC(SetFocus);
 153         GET_USER_FUNC(SetLayeredWindowAttributes);
 154         GET_USER_FUNC(SetParent);
 155         GET_USER_FUNC(SetWindowRgn);
 156         GET_USER_FUNC(SetWindowIcon);
 157         GET_USER_FUNC(SetWindowStyle);
 158         GET_USER_FUNC(SetWindowText);
 159         GET_USER_FUNC(ShowWindow);
 160         GET_USER_FUNC(SysCommand);
 161         GET_USER_FUNC(UpdateLayeredWindow);
 162         GET_USER_FUNC(WindowMessage);
 163         GET_USER_FUNC(WindowPosChanging);
 164         GET_USER_FUNC(WindowPosChanged);
 165         GET_USER_FUNC(SystemParametersInfo);
 166         GET_USER_FUNC(ThreadDetach);
 167 #undef GET_USER_FUNC
 168     }
 169
 170     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, &lazy_load_driver );
 171     if (prev != &lazy_load_driver)
 172     {
 173         /* another thread beat us to it */
 174         HeapFree( GetProcessHeap(), 0, driver );
 175         driver = prev;
 176     }
 177     else LdrAddRefDll( 0, graphics_driver );
 178
 179     __wine_set_display_driver( graphics_driver );
 180     register_builtin_classes();
 181
 182     return driver;
 183 }
 184
 185 /* unload the graphics driver on process exit */
 186 void USER_unload_driver(void)
 187 {
 188     USER_DRIVER *prev;
 189     /* make sure we don't try to call the driver after it has been detached */
 190     prev = InterlockedExchangePointer( (void **)&USER_Driver, &null_driver );
 191     if (prev != &lazy_load_driver && prev != &null_driver)
 192         HeapFree( GetProcessHeap(), 0, prev );
 193 }
 194
 195
 196 /**********************************************************************
 197  * Null user driver
 198  *
 199  * These are fallbacks for entry points that are not implemented in the real driver.
 200  */
 201
 202 static HKL CDECL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 203 {
 204     return 0;
 205 }
 206
 207 static void CDECL nulldrv_Beep(void)
 208 {
 209 }
 210
 211 static UINT CDECL nulldrv_GetKeyboardLayoutList( INT size, HKL *layouts )
 212 {
 213     HKEY hKeyKeyboard;
 214     DWORD rc;
 215     INT count = 0;
 216     ULONG_PTR baselayout;
 217     LANGID langid;
 218     static const WCHAR szKeyboardReg[] = {'S','y','s','t','e','m','\\','C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\','C','o','n','t','r','o','l','\\','K','e','y','b','o','a','r','d',' ','L','a','y','o','u','t','s',0};
 219
 220     baselayout = GetUserDefaultLCID();
 221     langid = PRIMARYLANGID(LANGIDFROMLCID(baselayout));
 222     if (langid == LANG_CHINESE || langid == LANG_JAPANESE || langid == LANG_KOREAN)
 223         baselayout = MAKELONG( baselayout, 0xe001 ); /* IME */
 224     else
 225         baselayout |= baselayout << 16;
 226
 227     /* Enumerate the Registry */
 228     rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,szKeyboardReg,&hKeyKeyboard);
 229     if (rc == ERROR_SUCCESS)
 230     {
 231         do {
 232             WCHAR szKeyName[9];
 233             HKL layout;
 234             rc = RegEnumKeyW(hKeyKeyboard, count, szKeyName, 9);
 235             if (rc == ERROR_SUCCESS)
 236             {
 237                 layout = (HKL)(ULONG_PTR)strtoulW(szKeyName,NULL,16);
 238                 if (baselayout != 0 && layout == (HKL)baselayout)
 239                     baselayout = 0; /* found in the registry do not add again */
 240                 if (size && layouts)
 241                 {
 242                     if (count >= size ) break;
 243                     layouts[count] = layout;
 244                 }
 245                 count ++;
 246             }
 247         } while (rc == ERROR_SUCCESS);
 248         RegCloseKey(hKeyKeyboard);
 249     }
 250
 251     /* make sure our base layout is on the list */
 252     if (baselayout != 0)
 253     {
 254         if (size && layouts)
 255         {
 256             if (count < size)
 257             {
 258                 layouts[count] = (HKL)baselayout;
 259                 count++;
 260             }
 261         }
 262         else
 263             count++;
 264     }
 265
 266     return count;
 267 }
 268
 269 static INT CDECL nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 270 {
 271     return 0;
 272 }
 273
 274 static HKL CDECL nulldrv_GetKeyboardLayout( DWORD thread_id )
 275 {
 276     return 0;
 277 }
 278
 279 static BOOL CDECL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 280 {
 281     return FALSE;
 282 }
 283
 284 static HKL CDECL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 285 {
 286     return 0;
 287 }
 288
 289 static UINT CDECL nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 290 {
 291     return 0;
 292 }
 293
 294 static BOOL CDECL nulldrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 295 {
 296     return TRUE;
 297 }
 298
 299 static INT CDECL nulldrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 300                                       int size, UINT flags, HKL layout )
 301 {
 302     return 0;
 303 }
 304
 305 static BOOL CDECL nulldrv_UnloadKeyboardLayout( HKL layout )
 306 {
 307     return 0;
 308 }
 309
 310 static void CDECL nulldrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 311 {
 312 }
 313
 314 static SHORT CDECL nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 315 {
 316     return -1;
 317 }
 318
 319 static void CDECL nulldrv_DestroyCursorIcon( HCURSOR cursor )
 320 {
 321 }
 322
 323 static void CDECL nulldrv_SetCursor( HCURSOR cursor )
 324 {
 325 }
 326
 327 static BOOL CDECL nulldrv_GetCursorPos( LPPOINT pt )
 328 {
 329     return FALSE;
 330 }
 331
 332 static BOOL CDECL nulldrv_SetCursorPos( INT x, INT y )
 333 {
 334     return FALSE;
 335 }
 336
 337 static BOOL CDECL nulldrv_ClipCursor( LPCRECT clip )
 338 {
 339     return FALSE;
 340 }
 341
 342 static void CDECL nulldrv_UpdateClipboard(void)
 343 {
 344 }
 345
 346 static LONG CDECL nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 347                                              DWORD flags, LPVOID lparam )
 348 {
 349     return DISP_CHANGE_FAILED;
 350 }
 351
 352 static BOOL CDECL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 353 {
 354     return FALSE;
 355 }
 356
 357 static BOOL CDECL nulldrv_CreateDesktopWindow( HWND hwnd )
 358 {
 359     return TRUE;
 360 }
 361
 362 static BOOL CDECL nodrv_CreateWindow( HWND hwnd )
 363 {
 364     static int warned;
 365     HWND parent = GetAncestor( hwnd, GA_PARENT );
 366
 367     /* HWND_MESSAGE windows don't need a graphics driver */
 368     if (!parent || parent == get_user_thread_info()->msg_window) return TRUE;
 369     if (warned++) return FALSE;
 370
 371     ERR_(winediag)( "Application tried to create a window, but no driver could be loaded.\n" );
 372     if (driver_load_error[0]) ERR_(winediag)( "%s\n", driver_load_error );
 373     return FALSE;
 374 }
 375
 376 static BOOL CDECL nulldrv_CreateWindow( HWND hwnd )
 377 {
 378     return TRUE;
 379 }
 380
 381 static void CDECL nulldrv_DestroyWindow( HWND hwnd )
 382 {
 383 }
 384
 385 static void CDECL nulldrv_FlashWindowEx( FLASHWINFO *info )
 386 {
 387 }
 388
 389 static void CDECL nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 390                                  const RECT *top_rect, DWORD flags )
 391 {
 392 }
 393
 394 static DWORD CDECL nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 395                                                         DWORD mask, DWORD flags )
 396 {
 397     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 398                                      timeout, flags & MWMO_ALERTABLE );
 399 }
 400
 401 static void CDECL nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
 402 {
 403 }
 404
 405 static BOOL CDECL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, HRGN update )
 406 {
 407     RECT rect;
 408
 409     GetClipBox( hdc, &rect );
 410     return BitBlt( hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
 411                    hdc, rect.left - dx, rect.top - dy, SRCCOPY );
 412 }
 413
 414 static void CDECL nulldrv_SetCapture( HWND hwnd, UINT flags )
 415 {
 416 }
 417
 418 static void CDECL nulldrv_SetFocus( HWND hwnd )
 419 {
 420 }
 421
 422 static void CDECL nulldrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 423 {
 424 }
 425
 426 static void CDECL nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 427 {
 428 }
 429
 430 static void CDECL nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 431 {
 432 }
 433
 434 static void CDECL nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 435 {
 436 }
 437
 438 static void CDECL nulldrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 439 {
 440 }
 441
 442 static void CDECL nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 443 {
 444 }
 445
 446 static UINT CDECL nulldrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 447 {
 448     return swp;
 449 }
 450
 451 static LRESULT CDECL nulldrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 452 {
 453     return -1;
 454 }
 455
 456 static BOOL CDECL nulldrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 457                                                const RECT *window_rect )
 458 {
 459     return TRUE;
 460 }
 461
 462 static LRESULT CDECL nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 463 {
 464     return 0;
 465 }
 466
 467 static void CDECL nulldrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 468                                              const RECT *window_rect, const RECT *client_rect,
 469                                              RECT *visible_rect, struct window_surface **surface )
 470 {
 471 }
 472
 473 static void CDECL nulldrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 474                                             const RECT *window_rect, const RECT *client_rect,
 475                                             const RECT *visible_rect, const RECT *valid_rects,
 476                                             struct window_surface *surface )
 477 {
 478 }
 479
 480 static BOOL CDECL nulldrv_SystemParametersInfo( UINT action, UINT int_param, void *ptr_param, UINT flags )
 481 {
 482     return FALSE;
 483 }
 484
 485 static void CDECL nulldrv_ThreadDetach( void )
 486 {
 487 }
 488
 489 static USER_DRIVER null_driver =
 490 {
 491     /* keyboard functions */
 492     nulldrv_ActivateKeyboardLayout,
 493     nulldrv_Beep,
 494     nulldrv_GetKeyNameText,
 495     nulldrv_GetKeyboardLayout,
 496     nulldrv_GetKeyboardLayoutList,
 497     nulldrv_GetKeyboardLayoutName,
 498     nulldrv_LoadKeyboardLayout,
 499     nulldrv_MapVirtualKeyEx,
 500     nulldrv_RegisterHotKey,
 501     nulldrv_ToUnicodeEx,
 502     nulldrv_UnloadKeyboardLayout,
 503     nulldrv_UnregisterHotKey,
 504     nulldrv_VkKeyScanEx,
 505     /* cursor/icon functions */
 506     nulldrv_DestroyCursorIcon,
 507     nulldrv_SetCursor,
 508     nulldrv_GetCursorPos,
 509     nulldrv_SetCursorPos,
 510     nulldrv_ClipCursor,
 511     /* clipboard functions */
 512     nulldrv_UpdateClipboard,
 513     /* display modes */
 514     nulldrv_ChangeDisplaySettingsEx,
 515     nulldrv_EnumDisplayMonitors,
 516     nulldrv_EnumDisplaySettingsEx,
 517     nulldrv_GetMonitorInfo,
 518     /* windowing functions */
 519     nulldrv_CreateDesktopWindow,
 520     nulldrv_CreateWindow,
 521     nulldrv_DestroyWindow,
 522     nulldrv_FlashWindowEx,
 523     nulldrv_GetDC,
 524     nulldrv_MsgWaitForMultipleObjectsEx,
 525     nulldrv_ReleaseDC,
 526     nulldrv_ScrollDC,
 527     nulldrv_SetCapture,
 528     nulldrv_SetFocus,
 529     nulldrv_SetLayeredWindowAttributes,
 530     nulldrv_SetParent,
 531     nulldrv_SetWindowRgn,
 532     nulldrv_SetWindowIcon,
 533     nulldrv_SetWindowStyle,
 534     nulldrv_SetWindowText,
 535     nulldrv_ShowWindow,
 536     nulldrv_SysCommand,
 537     nulldrv_UpdateLayeredWindow,
 538     nulldrv_WindowMessage,
 539     nulldrv_WindowPosChanging,
 540     nulldrv_WindowPosChanged,
 541     /* system parameters */
 542     nulldrv_SystemParametersInfo,
 543     /* thread management */
 544     nulldrv_ThreadDetach
 545 };
 546
 547
 548 /**********************************************************************
 549  * Lazy loading user driver
 550  *
 551  * Initial driver used before another driver is loaded.
 552  * Each entry point simply loads the real driver and chains to it.
 553  */
 554
 555 static HKL CDECL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 556 {
 557     return load_driver()->pActivateKeyboardLayout( layout, flags );
 558 }
 559
 560 static void CDECL loaderdrv_Beep(void)
 561 {
 562     load_driver()->pBeep();
 563 }
 564
 565 static INT CDECL loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 566 {
 567     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 568 }
 569
 570 static HKL CDECL loaderdrv_GetKeyboardLayout( DWORD thread_id )
 571 {
 572     return load_driver()->pGetKeyboardLayout( thread_id );
 573 }
 574
 575 static UINT CDECL loaderdrv_GetKeyboardLayoutList( INT size, HKL *layouts )
 576 {
 577     return load_driver()->pGetKeyboardLayoutList( size, layouts );
 578 }
 579
 580 static BOOL CDECL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 581 {
 582     return load_driver()->pGetKeyboardLayoutName( name );
 583 }
 584
 585 static HKL CDECL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 586 {
 587     return load_driver()->pLoadKeyboardLayout( name, flags );
 588 }
 589
 590 static UINT CDECL loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 591 {
 592     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 593 }
 594
 595 static BOOL CDECL loaderdrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 596 {
 597     return load_driver()->pRegisterHotKey( hwnd, modifiers, vk );
 598 }
 599
 600 static INT CDECL loaderdrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 601                                   int size, UINT flags, HKL layout )
 602 {
 603     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 604 }
 605
 606 static BOOL CDECL loaderdrv_UnloadKeyboardLayout( HKL layout )
 607 {
 608     return load_driver()->pUnloadKeyboardLayout( layout );
 609 }
 610
 611 static void CDECL loaderdrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 612 {
 613     load_driver()->pUnregisterHotKey( hwnd, modifiers, vk );
 614 }
 615
 616 static SHORT CDECL loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 617 {
 618     return load_driver()->pVkKeyScanEx( ch, layout );
 619 }
 620
 621 static void CDECL loaderdrv_SetCursor( HCURSOR cursor )
 622 {
 623     load_driver()->pSetCursor( cursor );
 624 }
 625
 626 static BOOL CDECL loaderdrv_GetCursorPos( LPPOINT pt )
 627 {
 628     return load_driver()->pGetCursorPos( pt );
 629 }
 630
 631 static BOOL CDECL loaderdrv_SetCursorPos( INT x, INT y )
 632 {
 633     return load_driver()->pSetCursorPos( x, y );
 634 }
 635
 636 static BOOL CDECL loaderdrv_ClipCursor( LPCRECT clip )
 637 {
 638     return load_driver()->pClipCursor( clip );
 639 }
 640
 641 static void CDECL loaderdrv_UpdateClipboard(void)
 642 {
 643     load_driver()->pUpdateClipboard();
 644 }
 645
 646 static LONG CDECL loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 647                                                      DWORD flags, LPVOID lparam )
 648 {
 649     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 650 }
 651
 652 static BOOL CDECL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 653 {
 654     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 655 }
 656
 657 static BOOL CDECL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 658 {
 659     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 660 }
 661
 662 static BOOL CDECL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 663 {
 664     return load_driver()->pGetMonitorInfo( handle, info );
 665 }
 666
 667 static BOOL CDECL loaderdrv_CreateDesktopWindow( HWND hwnd )
 668 {
 669     return load_driver()->pCreateDesktopWindow( hwnd );
 670 }
 671
 672 static BOOL CDECL loaderdrv_CreateWindow( HWND hwnd )
 673 {
 674     return load_driver()->pCreateWindow( hwnd );
 675 }
 676
 677 static void CDECL loaderdrv_FlashWindowEx( FLASHWINFO *info )
 678 {
 679     load_driver()->pFlashWindowEx( info );
 680 }
 681
 682 static void CDECL loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 683                                    const RECT *top_rect, DWORD flags )
 684 {
 685     load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
 686 }
 687
 688 static void CDECL loaderdrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 689 {
 690     load_driver()->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
 691 }
 692
 693 static void CDECL loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 694 {
 695     load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 696 }
 697
 698 static BOOL CDECL loaderdrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 699                                                  const RECT *window_rect )
 700 {
 701     return load_driver()->pUpdateLayeredWindow( hwnd, info, window_rect );
 702 }
 703
 704 static USER_DRIVER lazy_load_driver =
 705 {
 706     /* keyboard functions */
 707     loaderdrv_ActivateKeyboardLayout,
 708     loaderdrv_Beep,
 709     loaderdrv_GetKeyNameText,
 710     loaderdrv_GetKeyboardLayout,
 711     loaderdrv_GetKeyboardLayoutList,
 712     loaderdrv_GetKeyboardLayoutName,
 713     loaderdrv_LoadKeyboardLayout,
 714     loaderdrv_MapVirtualKeyEx,
 715     loaderdrv_RegisterHotKey,
 716     loaderdrv_ToUnicodeEx,
 717     loaderdrv_UnloadKeyboardLayout,
 718     loaderdrv_UnregisterHotKey,
 719     loaderdrv_VkKeyScanEx,
 720     /* cursor/icon functions */
 721     nulldrv_DestroyCursorIcon,
 722     loaderdrv_SetCursor,
 723     loaderdrv_GetCursorPos,
 724     loaderdrv_SetCursorPos,
 725     loaderdrv_ClipCursor,
 726     /* clipboard functions */
 727     loaderdrv_UpdateClipboard,
 728     /* display modes */
 729     loaderdrv_ChangeDisplaySettingsEx,
 730     loaderdrv_EnumDisplayMonitors,
 731     loaderdrv_EnumDisplaySettingsEx,
 732     loaderdrv_GetMonitorInfo,
 733     /* windowing functions */
 734     loaderdrv_CreateDesktopWindow,
 735     loaderdrv_CreateWindow,
 736     nulldrv_DestroyWindow,
 737     loaderdrv_FlashWindowEx,
 738     loaderdrv_GetDC,
 739     nulldrv_MsgWaitForMultipleObjectsEx,
 740     nulldrv_ReleaseDC,
 741     nulldrv_ScrollDC,
 742     nulldrv_SetCapture,
 743     nulldrv_SetFocus,
 744     loaderdrv_SetLayeredWindowAttributes,
 745     nulldrv_SetParent,
 746     loaderdrv_SetWindowRgn,
 747     nulldrv_SetWindowIcon,
 748     nulldrv_SetWindowStyle,
 749     nulldrv_SetWindowText,
 750     nulldrv_ShowWindow,
 751     nulldrv_SysCommand,
 752     loaderdrv_UpdateLayeredWindow,
 753     nulldrv_WindowMessage,
 754     nulldrv_WindowPosChanging,
 755     nulldrv_WindowPosChanged,
 756     /* system parameters */
 757     nulldrv_SystemParametersInfo,
 758     /* thread management */
 759     nulldrv_ThreadDetach
 760 };