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 HMODULE load_desktop_driver( HWND hwnd )
  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     HMODULE ret = 0;
  57     HKEY hkey;
  58     DWORD size;
  59     WCHAR path[MAX_PATH];
  60     WCHAR key[ARRAY_SIZE(key_pathW) + ARRAY_SIZE(displayW) + 40];
  61     UINT guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
  62
  63     USER_CheckNotLock();
  64
  65     strcpy( driver_load_error, "The explorer process failed to start." );  /* default error */
  66
  67     if (!guid_atom)
  68     {
  69         SendMessageW( hwnd, WM_NULL, 0, 0 );  /* wait for the desktop process to be ready */
  70         guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
  71     }
  72     memcpy( key, key_pathW, sizeof(key_pathW) );
  73     if (!GlobalGetAtomNameW( guid_atom, key + strlenW(key), 40 )) return 0;
  74     strcatW( key, displayW );
  75     if (RegOpenKeyW( HKEY_LOCAL_MACHINE, key, &hkey )) return 0;
  76     size = sizeof(path);
  77     if (!RegQueryValueExW( hkey, driverW, NULL, NULL, (BYTE *)path, &size ))
  78     {
  79         if (!(ret = LoadLibraryW( path ))) ERR( "failed to load %s\n", debugstr_w(path) );
  80         TRACE( "%s %p\n", debugstr_w(path), ret );
  81     }
  82     else
  83     {
  84         size = sizeof(driver_load_error);
  85         RegQueryValueExA( hkey, "DriverError", NULL, NULL, (BYTE *)driver_load_error, &size );
  86     }
  87     RegCloseKey( hkey );
  88     return ret;
  89 }
  90
  91 /* load the graphics driver */
  92 static const USER_DRIVER *load_driver(void)
  93 {
  94     void *ptr;
  95     HMODULE graphics_driver;
  96     USER_DRIVER *driver, *prev;
  97
  98     driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
  99     *driver = null_driver;
 100
 101     graphics_driver = load_desktop_driver( GetDesktopWindow() );
 102     if (graphics_driver)
 103     {
 104 #define GET_USER_FUNC(name) \
 105     do { if ((ptr = GetProcAddress( graphics_driver, #name ))) driver->p##name = ptr; } while(0)
 106
 107         GET_USER_FUNC(ActivateKeyboardLayout);
 108         GET_USER_FUNC(Beep);
 109         GET_USER_FUNC(GetAsyncKeyState);
 110         GET_USER_FUNC(GetKeyNameText);
 111         GET_USER_FUNC(GetKeyboardLayout);
 112         GET_USER_FUNC(GetKeyboardLayoutList);
 113         GET_USER_FUNC(GetKeyboardLayoutName);
 114         GET_USER_FUNC(LoadKeyboardLayout);
 115         GET_USER_FUNC(MapVirtualKeyEx);
 116         GET_USER_FUNC(RegisterHotKey);
 117         GET_USER_FUNC(ToUnicodeEx);
 118         GET_USER_FUNC(UnloadKeyboardLayout);
 119         GET_USER_FUNC(UnregisterHotKey);
 120         GET_USER_FUNC(VkKeyScanEx);
 121         GET_USER_FUNC(DestroyCursorIcon);
 122         GET_USER_FUNC(SetCursor);
 123         GET_USER_FUNC(GetCursorPos);
 124         GET_USER_FUNC(SetCursorPos);
 125         GET_USER_FUNC(ClipCursor);
 126         GET_USER_FUNC(UpdateClipboard);
 127         GET_USER_FUNC(ChangeDisplaySettingsEx);
 128         GET_USER_FUNC(EnumDisplayMonitors);
 129         GET_USER_FUNC(EnumDisplaySettingsEx);
 130         GET_USER_FUNC(GetMonitorInfo);
 131         GET_USER_FUNC(CreateDesktopWindow);
 132         GET_USER_FUNC(CreateWindow);
 133         GET_USER_FUNC(DestroyWindow);
 134         GET_USER_FUNC(FlashWindowEx);
 135         GET_USER_FUNC(GetDC);
 136         GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 137         GET_USER_FUNC(ReleaseDC);
 138         GET_USER_FUNC(ScrollDC);
 139         GET_USER_FUNC(SetCapture);
 140         GET_USER_FUNC(SetFocus);
 141         GET_USER_FUNC(SetLayeredWindowAttributes);
 142         GET_USER_FUNC(SetParent);
 143         GET_USER_FUNC(SetWindowRgn);
 144         GET_USER_FUNC(SetWindowIcon);
 145         GET_USER_FUNC(SetWindowStyle);
 146         GET_USER_FUNC(SetWindowText);
 147         GET_USER_FUNC(ShowWindow);
 148         GET_USER_FUNC(SysCommand);
 149         GET_USER_FUNC(UpdateLayeredWindow);
 150         GET_USER_FUNC(WindowMessage);
 151         GET_USER_FUNC(WindowPosChanging);
 152         GET_USER_FUNC(WindowPosChanged);
 153         GET_USER_FUNC(SystemParametersInfo);
 154         GET_USER_FUNC(ThreadDetach);
 155 #undef GET_USER_FUNC
 156     }
 157     else
 158     {
 159         USEROBJECTFLAGS flags;
 160         HWINSTA winstation;
 161
 162         winstation = GetProcessWindowStation();
 163         if (!GetUserObjectInformationA(winstation, UOI_FLAGS, &flags, sizeof(flags), NULL)
 164             || (flags.dwFlags & WSF_VISIBLE))
 165             driver->pCreateWindow = nodrv_CreateWindow;
 166     }
 167
 168     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, &lazy_load_driver );
 169     if (prev != &lazy_load_driver)
 170     {
 171         /* another thread beat us to it */
 172         HeapFree( GetProcessHeap(), 0, driver );
 173         driver = prev;
 174     }
 175     else LdrAddRefDll( 0, graphics_driver );
 176
 177     __wine_set_display_driver( graphics_driver );
 178     register_builtin_classes();
 179
 180     return driver;
 181 }
 182
 183 /* unload the graphics driver on process exit */
 184 void USER_unload_driver(void)
 185 {
 186     USER_DRIVER *prev;
 187     /* make sure we don't try to call the driver after it has been detached */
 188     prev = InterlockedExchangePointer( (void **)&USER_Driver, &null_driver );
 189     if (prev != &lazy_load_driver && prev != &null_driver)
 190         HeapFree( GetProcessHeap(), 0, prev );
 191 }
 192
 193
 194 /**********************************************************************
 195  * Null user driver
 196  *
 197  * These are fallbacks for entry points that are not implemented in the real driver.
 198  */
 199
 200 #define NULLDRV_DEFAULT_HMONITOR ((HMONITOR)(UINT_PTR)(0x10000 + 1))
 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 SHORT CDECL nulldrv_GetAsyncKeyState( INT key )
 212 {
 213     return -1;
 214 }
 215
 216 static UINT CDECL nulldrv_GetKeyboardLayoutList( INT size, HKL *layouts )
 217 {
 218     HKEY hKeyKeyboard;
 219     DWORD rc;
 220     INT count = 0;
 221     ULONG_PTR baselayout;
 222     LANGID langid;
 223     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};
 224
 225     baselayout = GetUserDefaultLCID();
 226     langid = PRIMARYLANGID(LANGIDFROMLCID(baselayout));
 227     if (langid == LANG_CHINESE || langid == LANG_JAPANESE || langid == LANG_KOREAN)
 228         baselayout = MAKELONG( baselayout, 0xe001 ); /* IME */
 229     else
 230         baselayout |= baselayout << 16;
 231
 232     /* Enumerate the Registry */
 233     rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,szKeyboardReg,&hKeyKeyboard);
 234     if (rc == ERROR_SUCCESS)
 235     {
 236         do {
 237             WCHAR szKeyName[9];
 238             HKL layout;
 239             rc = RegEnumKeyW(hKeyKeyboard, count, szKeyName, 9);
 240             if (rc == ERROR_SUCCESS)
 241             {
 242                 layout = (HKL)(ULONG_PTR)strtoulW(szKeyName,NULL,16);
 243                 if (baselayout != 0 && layout == (HKL)baselayout)
 244                     baselayout = 0; /* found in the registry do not add again */
 245                 if (size && layouts)
 246                 {
 247                     if (count >= size ) break;
 248                     layouts[count] = layout;
 249                 }
 250                 count ++;
 251             }
 252         } while (rc == ERROR_SUCCESS);
 253         RegCloseKey(hKeyKeyboard);
 254     }
 255
 256     /* make sure our base layout is on the list */
 257     if (baselayout != 0)
 258     {
 259         if (size && layouts)
 260         {
 261             if (count < size)
 262             {
 263                 layouts[count] = (HKL)baselayout;
 264                 count++;
 265             }
 266         }
 267         else
 268             count++;
 269     }
 270
 271     return count;
 272 }
 273
 274 static INT CDECL nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 275 {
 276     return 0;
 277 }
 278
 279 static HKL CDECL nulldrv_GetKeyboardLayout( DWORD thread_id )
 280 {
 281     return 0;
 282 }
 283
 284 static BOOL CDECL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 285 {
 286     return FALSE;
 287 }
 288
 289 static HKL CDECL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 290 {
 291     return 0;
 292 }
 293
 294 static UINT CDECL nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 295 {
 296     return 0;
 297 }
 298
 299 static BOOL CDECL nulldrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 300 {
 301     return TRUE;
 302 }
 303
 304 static INT CDECL nulldrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 305                                       int size, UINT flags, HKL layout )
 306 {
 307     return 0;
 308 }
 309
 310 static BOOL CDECL nulldrv_UnloadKeyboardLayout( HKL layout )
 311 {
 312     return 0;
 313 }
 314
 315 static void CDECL nulldrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 316 {
 317 }
 318
 319 static SHORT CDECL nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 320 {
 321     return -1;
 322 }
 323
 324 static void CDECL nulldrv_DestroyCursorIcon( HCURSOR cursor )
 325 {
 326 }
 327
 328 static void CDECL nulldrv_SetCursor( HCURSOR cursor )
 329 {
 330 }
 331
 332 static BOOL CDECL nulldrv_GetCursorPos( LPPOINT pt )
 333 {
 334     return FALSE;
 335 }
 336
 337 static BOOL CDECL nulldrv_SetCursorPos( INT x, INT y )
 338 {
 339     return FALSE;
 340 }
 341
 342 static BOOL CDECL nulldrv_ClipCursor( LPCRECT clip )
 343 {
 344     return FALSE;
 345 }
 346
 347 static void CDECL nulldrv_UpdateClipboard(void)
 348 {
 349 }
 350
 351 static LONG CDECL nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 352                                              DWORD flags, LPVOID lparam )
 353 {
 354     return DISP_CHANGE_FAILED;
 355 }
 356
 357 static BOOL CDECL nulldrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 358 {
 359     RECT r = {0, 0, 640, 480};
 360
 361     TRACE("(%p, %p, %p, 0x%lx)\n", hdc, rect, proc, lp);
 362
 363     proc(NULLDRV_DEFAULT_HMONITOR, hdc, &r, lp);
 364     return TRUE;
 365 }
 366
 367 static BOOL CDECL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 368 {
 369     return FALSE;
 370 }
 371
 372 static BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 373 {
 374     RECT r = {0, 0, 640, 480};
 375     static const WCHAR device[] = {'W','i','n','D','i','s','c',0};
 376
 377     TRACE("(%p, %p)\n", handle, info);
 378
 379     if (handle != NULLDRV_DEFAULT_HMONITOR)
 380     {
 381         SetLastError(ERROR_INVALID_MONITOR_HANDLE);
 382         return FALSE;
 383     }
 384
 385     info->rcMonitor = r;
 386     info->rcWork = r;
 387     info->dwFlags = MONITORINFOF_PRIMARY;
 388     if (info->cbSize >= sizeof(MONITORINFOEXW))
 389         lstrcpyW( ((MONITORINFOEXW *)info)->szDevice, device );
 390     return TRUE;
 391 }
 392
 393 static BOOL CDECL nulldrv_CreateDesktopWindow( HWND hwnd )
 394 {
 395     return TRUE;
 396 }
 397
 398 static BOOL CDECL nodrv_CreateWindow( HWND hwnd )
 399 {
 400     static int warned;
 401     HWND parent = GetAncestor( hwnd, GA_PARENT );
 402
 403     /* HWND_MESSAGE windows don't need a graphics driver */
 404     if (!parent || parent == get_user_thread_info()->msg_window) return TRUE;
 405     if (warned++) return FALSE;
 406
 407     ERR_(winediag)( "Application tried to create a window, but no driver could be loaded.\n" );
 408     if (driver_load_error[0]) ERR_(winediag)( "%s\n", driver_load_error );
 409     return FALSE;
 410 }
 411
 412 static BOOL CDECL nulldrv_CreateWindow( HWND hwnd )
 413 {
 414     return TRUE;
 415 }
 416
 417 static void CDECL nulldrv_DestroyWindow( HWND hwnd )
 418 {
 419 }
 420
 421 static void CDECL nulldrv_FlashWindowEx( FLASHWINFO *info )
 422 {
 423 }
 424
 425 static void CDECL nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 426                                  const RECT *top_rect, DWORD flags )
 427 {
 428 }
 429
 430 static DWORD CDECL nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 431                                                         DWORD mask, DWORD flags )
 432 {
 433     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 434                                      timeout, flags & MWMO_ALERTABLE );
 435 }
 436
 437 static void CDECL nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
 438 {
 439 }
 440
 441 static BOOL CDECL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, HRGN update )
 442 {
 443     RECT rect;
 444
 445     GetClipBox( hdc, &rect );
 446     return BitBlt( hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
 447                    hdc, rect.left - dx, rect.top - dy, SRCCOPY );
 448 }
 449
 450 static void CDECL nulldrv_SetCapture( HWND hwnd, UINT flags )
 451 {
 452 }
 453
 454 static void CDECL nulldrv_SetFocus( HWND hwnd )
 455 {
 456 }
 457
 458 static void CDECL nulldrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 459 {
 460 }
 461
 462 static void CDECL nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 463 {
 464 }
 465
 466 static void CDECL nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 467 {
 468 }
 469
 470 static void CDECL nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 471 {
 472 }
 473
 474 static void CDECL nulldrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 475 {
 476 }
 477
 478 static void CDECL nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 479 {
 480 }
 481
 482 static UINT CDECL nulldrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 483 {
 484     return swp;
 485 }
 486
 487 static LRESULT CDECL nulldrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 488 {
 489     return -1;
 490 }
 491
 492 static BOOL CDECL nulldrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 493                                                const RECT *window_rect )
 494 {
 495     return TRUE;
 496 }
 497
 498 static LRESULT CDECL nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 499 {
 500     return 0;
 501 }
 502
 503 static void CDECL nulldrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 504                                              const RECT *window_rect, const RECT *client_rect,
 505                                              RECT *visible_rect, struct window_surface **surface )
 506 {
 507 }
 508
 509 static void CDECL nulldrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 510                                             const RECT *window_rect, const RECT *client_rect,
 511                                             const RECT *visible_rect, const RECT *valid_rects,
 512                                             struct window_surface *surface )
 513 {
 514 }
 515
 516 static BOOL CDECL nulldrv_SystemParametersInfo( UINT action, UINT int_param, void *ptr_param, UINT flags )
 517 {
 518     return FALSE;
 519 }
 520
 521 static void CDECL nulldrv_ThreadDetach( void )
 522 {
 523 }
 524
 525 static USER_DRIVER null_driver =
 526 {
 527     /* keyboard functions */
 528     nulldrv_ActivateKeyboardLayout,
 529     nulldrv_Beep,
 530     nulldrv_GetAsyncKeyState,
 531     nulldrv_GetKeyNameText,
 532     nulldrv_GetKeyboardLayout,
 533     nulldrv_GetKeyboardLayoutList,
 534     nulldrv_GetKeyboardLayoutName,
 535     nulldrv_LoadKeyboardLayout,
 536     nulldrv_MapVirtualKeyEx,
 537     nulldrv_RegisterHotKey,
 538     nulldrv_ToUnicodeEx,
 539     nulldrv_UnloadKeyboardLayout,
 540     nulldrv_UnregisterHotKey,
 541     nulldrv_VkKeyScanEx,
 542     /* cursor/icon functions */
 543     nulldrv_DestroyCursorIcon,
 544     nulldrv_SetCursor,
 545     nulldrv_GetCursorPos,
 546     nulldrv_SetCursorPos,
 547     nulldrv_ClipCursor,
 548     /* clipboard functions */
 549     nulldrv_UpdateClipboard,
 550     /* display modes */
 551     nulldrv_ChangeDisplaySettingsEx,
 552     nulldrv_EnumDisplayMonitors,
 553     nulldrv_EnumDisplaySettingsEx,
 554     nulldrv_GetMonitorInfo,
 555     /* windowing functions */
 556     nulldrv_CreateDesktopWindow,
 557     nulldrv_CreateWindow,
 558     nulldrv_DestroyWindow,
 559     nulldrv_FlashWindowEx,
 560     nulldrv_GetDC,
 561     nulldrv_MsgWaitForMultipleObjectsEx,
 562     nulldrv_ReleaseDC,
 563     nulldrv_ScrollDC,
 564     nulldrv_SetCapture,
 565     nulldrv_SetFocus,
 566     nulldrv_SetLayeredWindowAttributes,
 567     nulldrv_SetParent,
 568     nulldrv_SetWindowRgn,
 569     nulldrv_SetWindowIcon,
 570     nulldrv_SetWindowStyle,
 571     nulldrv_SetWindowText,
 572     nulldrv_ShowWindow,
 573     nulldrv_SysCommand,
 574     nulldrv_UpdateLayeredWindow,
 575     nulldrv_WindowMessage,
 576     nulldrv_WindowPosChanging,
 577     nulldrv_WindowPosChanged,
 578     /* system parameters */
 579     nulldrv_SystemParametersInfo,
 580     /* thread management */
 581     nulldrv_ThreadDetach
 582 };
 583
 584
 585 /**********************************************************************
 586  * Lazy loading user driver
 587  *
 588  * Initial driver used before another driver is loaded.
 589  * Each entry point simply loads the real driver and chains to it.
 590  */
 591
 592 static HKL CDECL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 593 {
 594     return load_driver()->pActivateKeyboardLayout( layout, flags );
 595 }
 596
 597 static void CDECL loaderdrv_Beep(void)
 598 {
 599     load_driver()->pBeep();
 600 }
 601
 602 static SHORT CDECL loaderdrv_GetAsyncKeyState( INT key )
 603 {
 604     return load_driver()->pGetAsyncKeyState( key );
 605 }
 606
 607 static INT CDECL loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 608 {
 609     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 610 }
 611
 612 static HKL CDECL loaderdrv_GetKeyboardLayout( DWORD thread_id )
 613 {
 614     return load_driver()->pGetKeyboardLayout( thread_id );
 615 }
 616
 617 static UINT CDECL loaderdrv_GetKeyboardLayoutList( INT size, HKL *layouts )
 618 {
 619     return load_driver()->pGetKeyboardLayoutList( size, layouts );
 620 }
 621
 622 static BOOL CDECL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 623 {
 624     return load_driver()->pGetKeyboardLayoutName( name );
 625 }
 626
 627 static HKL CDECL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 628 {
 629     return load_driver()->pLoadKeyboardLayout( name, flags );
 630 }
 631
 632 static UINT CDECL loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 633 {
 634     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 635 }
 636
 637 static BOOL CDECL loaderdrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 638 {
 639     return load_driver()->pRegisterHotKey( hwnd, modifiers, vk );
 640 }
 641
 642 static INT CDECL loaderdrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 643                                   int size, UINT flags, HKL layout )
 644 {
 645     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 646 }
 647
 648 static BOOL CDECL loaderdrv_UnloadKeyboardLayout( HKL layout )
 649 {
 650     return load_driver()->pUnloadKeyboardLayout( layout );
 651 }
 652
 653 static void CDECL loaderdrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 654 {
 655     load_driver()->pUnregisterHotKey( hwnd, modifiers, vk );
 656 }
 657
 658 static SHORT CDECL loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 659 {
 660     return load_driver()->pVkKeyScanEx( ch, layout );
 661 }
 662
 663 static void CDECL loaderdrv_SetCursor( HCURSOR cursor )
 664 {
 665     load_driver()->pSetCursor( cursor );
 666 }
 667
 668 static BOOL CDECL loaderdrv_GetCursorPos( LPPOINT pt )
 669 {
 670     return load_driver()->pGetCursorPos( pt );
 671 }
 672
 673 static BOOL CDECL loaderdrv_SetCursorPos( INT x, INT y )
 674 {
 675     return load_driver()->pSetCursorPos( x, y );
 676 }
 677
 678 static BOOL CDECL loaderdrv_ClipCursor( LPCRECT clip )
 679 {
 680     return load_driver()->pClipCursor( clip );
 681 }
 682
 683 static void CDECL loaderdrv_UpdateClipboard(void)
 684 {
 685     load_driver()->pUpdateClipboard();
 686 }
 687
 688 static LONG CDECL loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 689                                                      DWORD flags, LPVOID lparam )
 690 {
 691     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 692 }
 693
 694 static BOOL CDECL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 695 {
 696     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 697 }
 698
 699 static BOOL CDECL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 700 {
 701     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 702 }
 703
 704 static BOOL CDECL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 705 {
 706     return load_driver()->pGetMonitorInfo( handle, info );
 707 }
 708
 709 static BOOL CDECL loaderdrv_CreateDesktopWindow( HWND hwnd )
 710 {
 711     return load_driver()->pCreateDesktopWindow( hwnd );
 712 }
 713
 714 static BOOL CDECL loaderdrv_CreateWindow( HWND hwnd )
 715 {
 716     return load_driver()->pCreateWindow( hwnd );
 717 }
 718
 719 static void CDECL loaderdrv_FlashWindowEx( FLASHWINFO *info )
 720 {
 721     load_driver()->pFlashWindowEx( info );
 722 }
 723
 724 static void CDECL loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 725                                    const RECT *top_rect, DWORD flags )
 726 {
 727     load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
 728 }
 729
 730 static void CDECL loaderdrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 731 {
 732     load_driver()->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
 733 }
 734
 735 static void CDECL loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 736 {
 737     load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 738 }
 739
 740 static BOOL CDECL loaderdrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 741                                                  const RECT *window_rect )
 742 {
 743     return load_driver()->pUpdateLayeredWindow( hwnd, info, window_rect );
 744 }
 745
 746 static USER_DRIVER lazy_load_driver =
 747 {
 748     /* keyboard functions */
 749     loaderdrv_ActivateKeyboardLayout,
 750     loaderdrv_Beep,
 751     loaderdrv_GetAsyncKeyState,
 752     loaderdrv_GetKeyNameText,
 753     loaderdrv_GetKeyboardLayout,
 754     loaderdrv_GetKeyboardLayoutList,
 755     loaderdrv_GetKeyboardLayoutName,
 756     loaderdrv_LoadKeyboardLayout,
 757     loaderdrv_MapVirtualKeyEx,
 758     loaderdrv_RegisterHotKey,
 759     loaderdrv_ToUnicodeEx,
 760     loaderdrv_UnloadKeyboardLayout,
 761     loaderdrv_UnregisterHotKey,
 762     loaderdrv_VkKeyScanEx,
 763     /* cursor/icon functions */
 764     nulldrv_DestroyCursorIcon,
 765     loaderdrv_SetCursor,
 766     loaderdrv_GetCursorPos,
 767     loaderdrv_SetCursorPos,
 768     loaderdrv_ClipCursor,
 769     /* clipboard functions */
 770     loaderdrv_UpdateClipboard,
 771     /* display modes */
 772     loaderdrv_ChangeDisplaySettingsEx,
 773     loaderdrv_EnumDisplayMonitors,
 774     loaderdrv_EnumDisplaySettingsEx,
 775     loaderdrv_GetMonitorInfo,
 776     /* windowing functions */
 777     loaderdrv_CreateDesktopWindow,
 778     loaderdrv_CreateWindow,
 779     nulldrv_DestroyWindow,
 780     loaderdrv_FlashWindowEx,
 781     loaderdrv_GetDC,
 782     nulldrv_MsgWaitForMultipleObjectsEx,
 783     nulldrv_ReleaseDC,
 784     nulldrv_ScrollDC,
 785     nulldrv_SetCapture,
 786     nulldrv_SetFocus,
 787     loaderdrv_SetLayeredWindowAttributes,
 788     nulldrv_SetParent,
 789     loaderdrv_SetWindowRgn,
 790     nulldrv_SetWindowIcon,
 791     nulldrv_SetWindowStyle,
 792     nulldrv_SetWindowText,
 793     nulldrv_ShowWindow,
 794     nulldrv_SysCommand,
 795     loaderdrv_UpdateLayeredWindow,
 796     nulldrv_WindowMessage,
 797     nulldrv_WindowPosChanging,
 798     nulldrv_WindowPosChanged,
 799     /* system parameters */
 800     nulldrv_SystemParametersInfo,
 801     /* thread management */
 802     nulldrv_ThreadDetach
 803 };