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
  36 static USER_DRIVER null_driver, lazy_load_driver;
  37
  38 const USER_DRIVER *USER_Driver = &lazy_load_driver;
  39 static char driver_load_error[80];
  40
  41 static HMODULE load_desktop_driver( HWND hwnd )
  42 {
  43     static const WCHAR display_device_guid_propW[] = {
  44         '_','_','w','i','n','e','_','d','i','s','p','l','a','y','_',
  45         'd','e','v','i','c','e','_','g','u','i','d',0 };
  46     static const WCHAR key_pathW[] = {
  47         'S','y','s','t','e','m','\\',
  48         'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
  49         'C','o','n','t','r','o','l','\\',
  50         'V','i','d','e','o','\\','{',0};
  51     static const WCHAR displayW[] = {'}','\\','0','0','0','0',0};
  52     static const WCHAR driverW[] = {'G','r','a','p','h','i','c','s','D','r','i','v','e','r',0};
  53     HMODULE ret = 0;
  54     HKEY hkey;
  55     DWORD size;
  56     WCHAR path[MAX_PATH];
  57     WCHAR key[(sizeof(key_pathW) + sizeof(displayW)) / sizeof(WCHAR) + 40];
  58     UINT guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
  59
  60     USER_CheckNotLock();
  61
  62     strcpy( driver_load_error, "The explorer process failed to start." );  /* default error */
  63
  64     if (!guid_atom)
  65     {
  66         SendMessageW( hwnd, WM_NULL, 0, 0 );  /* wait for the desktop process to be ready */
  67         guid_atom = HandleToULong( GetPropW( hwnd, display_device_guid_propW ));
  68     }
  69     memcpy( key, key_pathW, sizeof(key_pathW) );
  70     if (!GlobalGetAtomNameW( guid_atom, key + strlenW(key), 40 )) return 0;
  71     strcatW( key, displayW );
  72     if (RegOpenKeyW( HKEY_LOCAL_MACHINE, key, &hkey )) return 0;
  73     size = sizeof(path);
  74     if (!RegQueryValueExW( hkey, driverW, NULL, NULL, (BYTE *)path, &size ))
  75     {
  76         if (!(ret = LoadLibraryW( path ))) ERR( "failed to load %s\n", debugstr_w(path) );
  77         TRACE( "%s %p\n", debugstr_w(path), ret );
  78     }
  79     else
  80     {
  81         size = sizeof(driver_load_error);
  82         RegQueryValueExA( hkey, "DriverError", NULL, NULL, (BYTE *)driver_load_error, &size );
  83     }
  84     RegCloseKey( hkey );
  85     return ret;
  86 }
  87
  88 /* load the graphics driver */
  89 static const USER_DRIVER *load_driver(void)
  90 {
  91     void *ptr;
  92     HMODULE graphics_driver;
  93     USER_DRIVER *driver, *prev;
  94
  95     driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
  96     *driver = null_driver;
  97
  98     graphics_driver = load_desktop_driver( GetDesktopWindow() );
  99     if (graphics_driver)
 100     {
 101 #define GET_USER_FUNC(name) \
 102     do { if ((ptr = GetProcAddress( graphics_driver, #name ))) driver->p##name = ptr; } while(0)
 103
 104         GET_USER_FUNC(ActivateKeyboardLayout);
 105         GET_USER_FUNC(Beep);
 106         GET_USER_FUNC(GetAsyncKeyState);
 107         GET_USER_FUNC(GetKeyNameText);
 108         GET_USER_FUNC(GetKeyboardLayout);
 109         GET_USER_FUNC(GetKeyboardLayoutList);
 110         GET_USER_FUNC(GetKeyboardLayoutName);
 111         GET_USER_FUNC(LoadKeyboardLayout);
 112         GET_USER_FUNC(MapVirtualKeyEx);
 113         GET_USER_FUNC(RegisterHotKey);
 114         GET_USER_FUNC(ToUnicodeEx);
 115         GET_USER_FUNC(UnloadKeyboardLayout);
 116         GET_USER_FUNC(UnregisterHotKey);
 117         GET_USER_FUNC(VkKeyScanEx);
 118         GET_USER_FUNC(DestroyCursorIcon);
 119         GET_USER_FUNC(SetCursor);
 120         GET_USER_FUNC(GetCursorPos);
 121         GET_USER_FUNC(SetCursorPos);
 122         GET_USER_FUNC(ClipCursor);
 123         GET_USER_FUNC(AcquireClipboard);
 124         GET_USER_FUNC(EmptyClipboard);
 125         GET_USER_FUNC(SetClipboardData);
 126         GET_USER_FUNC(GetClipboardData);
 127         GET_USER_FUNC(CountClipboardFormats);
 128         GET_USER_FUNC(EnumClipboardFormats);
 129         GET_USER_FUNC(IsClipboardFormatAvailable);
 130         GET_USER_FUNC(EndClipboardUpdate);
 131         GET_USER_FUNC(ChangeDisplaySettingsEx);
 132         GET_USER_FUNC(EnumDisplayMonitors);
 133         GET_USER_FUNC(EnumDisplaySettingsEx);
 134         GET_USER_FUNC(GetMonitorInfo);
 135         GET_USER_FUNC(CreateDesktopWindow);
 136         GET_USER_FUNC(CreateWindow);
 137         GET_USER_FUNC(DestroyWindow);
 138         GET_USER_FUNC(GetDC);
 139         GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 140         GET_USER_FUNC(ReleaseDC);
 141         GET_USER_FUNC(ScrollDC);
 142         GET_USER_FUNC(SetCapture);
 143         GET_USER_FUNC(SetFocus);
 144         GET_USER_FUNC(SetLayeredWindowAttributes);
 145         GET_USER_FUNC(SetParent);
 146         GET_USER_FUNC(SetWindowRgn);
 147         GET_USER_FUNC(SetWindowIcon);
 148         GET_USER_FUNC(SetWindowStyle);
 149         GET_USER_FUNC(SetWindowText);
 150         GET_USER_FUNC(ShowWindow);
 151         GET_USER_FUNC(SysCommand);
 152         GET_USER_FUNC(UpdateLayeredWindow);
 153         GET_USER_FUNC(WindowMessage);
 154         GET_USER_FUNC(WindowPosChanging);
 155         GET_USER_FUNC(WindowPosChanged);
 156         GET_USER_FUNC(SystemParametersInfo);
 157 #undef GET_USER_FUNC
 158     }
 159
 160     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, &lazy_load_driver );
 161     if (prev != &lazy_load_driver)
 162     {
 163         /* another thread beat us to it */
 164         HeapFree( GetProcessHeap(), 0, driver );
 165         driver = prev;
 166     }
 167     else LdrAddRefDll( 0, graphics_driver );
 168
 169     __wine_set_display_driver( graphics_driver );
 170     register_builtin_classes();
 171
 172     return driver;
 173 }
 174
 175 /* unload the graphics driver on process exit */
 176 void USER_unload_driver(void)
 177 {
 178     USER_DRIVER *prev;
 179     /* make sure we don't try to call the driver after it has been detached */
 180     prev = InterlockedExchangePointer( (void **)&USER_Driver, &null_driver );
 181     if (prev != &lazy_load_driver && prev != &null_driver)
 182         HeapFree( GetProcessHeap(), 0, prev );
 183 }
 184
 185
 186 /**********************************************************************
 187  * Null user driver
 188  *
 189  * These are fallbacks for entry points that are not implemented in the real driver.
 190  */
 191
 192 static HKL CDECL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 193 {
 194     return 0;
 195 }
 196
 197 static void CDECL nulldrv_Beep(void)
 198 {
 199 }
 200
 201 static SHORT CDECL nulldrv_GetAsyncKeyState( INT key )
 202 {
 203     return -1;
 204 }
 205
 206 static UINT CDECL nulldrv_GetKeyboardLayoutList( INT size, HKL *layouts )
 207 {
 208     HKEY hKeyKeyboard;
 209     DWORD rc;
 210     INT count = 0;
 211     ULONG_PTR baselayout;
 212     LANGID langid;
 213     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};
 214
 215     baselayout = GetUserDefaultLCID();
 216     langid = PRIMARYLANGID(LANGIDFROMLCID(baselayout));
 217     if (langid == LANG_CHINESE || langid == LANG_JAPANESE || langid == LANG_KOREAN)
 218         baselayout |= 0xe001 << 16; /* IME */
 219     else
 220         baselayout |= baselayout << 16;
 221
 222     /* Enumerate the Registry */
 223     rc = RegOpenKeyW(HKEY_LOCAL_MACHINE,szKeyboardReg,&hKeyKeyboard);
 224     if (rc == ERROR_SUCCESS)
 225     {
 226         do {
 227             WCHAR szKeyName[9];
 228             HKL layout;
 229             rc = RegEnumKeyW(hKeyKeyboard, count, szKeyName, 9);
 230             if (rc == ERROR_SUCCESS)
 231             {
 232                 layout = (HKL)(ULONG_PTR)strtoulW(szKeyName,NULL,16);
 233                 if (baselayout != 0 && layout == (HKL)baselayout)
 234                     baselayout = 0; /* found in the registry do not add again */
 235                 if (size && layouts)
 236                 {
 237                     if (count >= size ) break;
 238                     layouts[count] = layout;
 239                 }
 240                 count ++;
 241             }
 242         } while (rc == ERROR_SUCCESS);
 243         RegCloseKey(hKeyKeyboard);
 244     }
 245
 246     /* make sure our base layout is on the list */
 247     if (baselayout != 0)
 248     {
 249         if (size && layouts)
 250         {
 251             if (count < size)
 252             {
 253                 layouts[count] = (HKL)baselayout;
 254                 count++;
 255             }
 256         }
 257         else
 258             count++;
 259     }
 260
 261     return count;
 262 }
 263
 264 static INT CDECL nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 265 {
 266     return 0;
 267 }
 268
 269 static HKL CDECL nulldrv_GetKeyboardLayout( DWORD thread_id )
 270 {
 271     return 0;
 272 }
 273
 274 static BOOL CDECL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 275 {
 276     return FALSE;
 277 }
 278
 279 static HKL CDECL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 280 {
 281     return 0;
 282 }
 283
 284 static UINT CDECL nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 285 {
 286     return 0;
 287 }
 288
 289 static BOOL CDECL nulldrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 290 {
 291     return TRUE;
 292 }
 293
 294 static INT CDECL nulldrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 295                                       int size, UINT flags, HKL layout )
 296 {
 297     return 0;
 298 }
 299
 300 static BOOL CDECL nulldrv_UnloadKeyboardLayout( HKL layout )
 301 {
 302     return 0;
 303 }
 304
 305 static void CDECL nulldrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 306 {
 307 }
 308
 309 static SHORT CDECL nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 310 {
 311     return -1;
 312 }
 313
 314 static void CDECL nulldrv_DestroyCursorIcon( HCURSOR cursor )
 315 {
 316 }
 317
 318 static void CDECL nulldrv_SetCursor( HCURSOR cursor )
 319 {
 320 }
 321
 322 static BOOL CDECL nulldrv_GetCursorPos( LPPOINT pt )
 323 {
 324     return FALSE;
 325 }
 326
 327 static BOOL CDECL nulldrv_SetCursorPos( INT x, INT y )
 328 {
 329     return FALSE;
 330 }
 331
 332 static BOOL CDECL nulldrv_ClipCursor( LPCRECT clip )
 333 {
 334     return FALSE;
 335 }
 336
 337 static INT CDECL nulldrv_AcquireClipboard( HWND hwnd )
 338 {
 339     return 0;
 340 }
 341
 342 static BOOL CDECL nulldrv_CountClipboardFormats(void)
 343 {
 344     return 0;
 345 }
 346
 347 static void CDECL nulldrv_EmptyClipboard( BOOL keepunowned )
 348 {
 349 }
 350
 351 static void CDECL nulldrv_EndClipboardUpdate(void)
 352 {
 353 }
 354
 355 static UINT CDECL nulldrv_EnumClipboardFormats( UINT format )
 356 {
 357     return 0;
 358 }
 359
 360 static HANDLE CDECL nulldrv_GetClipboardData( UINT format )
 361 {
 362     return 0;
 363 }
 364
 365 static BOOL CDECL nulldrv_IsClipboardFormatAvailable( UINT format )
 366 {
 367     return FALSE;
 368 }
 369
 370 static BOOL CDECL nulldrv_SetClipboardData( UINT format, HANDLE handle, BOOL owner )
 371 {
 372     return FALSE;
 373 }
 374
 375 static LONG CDECL nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 376                                              DWORD flags, LPVOID lparam )
 377 {
 378     return DISP_CHANGE_FAILED;
 379 }
 380
 381 static BOOL CDECL nulldrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 382 {
 383     return FALSE;
 384 }
 385
 386 static BOOL CDECL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 387 {
 388     return FALSE;
 389 }
 390
 391 static BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 392 {
 393     return FALSE;
 394 }
 395
 396 static BOOL CDECL nulldrv_CreateDesktopWindow( HWND hwnd )
 397 {
 398     return TRUE;
 399 }
 400
 401 static BOOL CDECL nulldrv_CreateWindow( HWND hwnd )
 402 {
 403     static int warned;
 404     HWND parent = GetAncestor( hwnd, GA_PARENT );
 405
 406     /* HWND_MESSAGE windows don't need a graphics driver */
 407     if (!parent || parent == get_user_thread_info()->msg_window) return TRUE;
 408     if (warned++) return FALSE;
 409
 410     MESSAGE( "Application tried to create a window, but no driver could be loaded.\n");
 411     if (driver_load_error[0]) MESSAGE( "%s\n", driver_load_error );
 412     return FALSE;
 413 }
 414
 415 static void CDECL nulldrv_DestroyWindow( HWND hwnd )
 416 {
 417 }
 418
 419 static void CDECL nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 420                                  const RECT *top_rect, DWORD flags )
 421 {
 422 }
 423
 424 static DWORD CDECL nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 425                                                         DWORD mask, DWORD flags )
 426 {
 427     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 428                                      timeout, flags & MWMO_ALERTABLE );
 429 }
 430
 431 static void CDECL nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
 432 {
 433 }
 434
 435 static BOOL CDECL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, HRGN update )
 436 {
 437     RECT rect;
 438
 439     GetClipBox( hdc, &rect );
 440     return BitBlt( hdc, rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top,
 441                    hdc, rect.left - dx, rect.top - dy, SRCCOPY );
 442 }
 443
 444 static void CDECL nulldrv_SetCapture( HWND hwnd, UINT flags )
 445 {
 446 }
 447
 448 static void CDECL nulldrv_SetFocus( HWND hwnd )
 449 {
 450 }
 451
 452 static void CDECL nulldrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 453 {
 454 }
 455
 456 static void CDECL nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 457 {
 458 }
 459
 460 static int CDECL nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 461 {
 462     return 1;
 463 }
 464
 465 static void CDECL nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 466 {
 467 }
 468
 469 static void CDECL nulldrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 470 {
 471 }
 472
 473 static void CDECL nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 474 {
 475 }
 476
 477 static UINT CDECL nulldrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 478 {
 479     return swp;
 480 }
 481
 482 static LRESULT CDECL nulldrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 483 {
 484     return -1;
 485 }
 486
 487 static BOOL CDECL nulldrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 488                                                const RECT *window_rect )
 489 {
 490     return TRUE;
 491 }
 492
 493 static LRESULT CDECL nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 494 {
 495     return 0;
 496 }
 497
 498 static void CDECL nulldrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 499                                              const RECT *window_rect, const RECT *client_rect,
 500                                              RECT *visible_rect, struct window_surface **surface )
 501 {
 502 }
 503
 504 static void CDECL nulldrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 505                                             const RECT *window_rect, const RECT *client_rect,
 506                                             const RECT *visible_rect, const RECT *valid_rects,
 507                                             struct window_surface *surface )
 508 {
 509 }
 510
 511 static BOOL CDECL nulldrv_SystemParametersInfo( UINT action, UINT int_param, void *ptr_param, UINT flags )
 512 {
 513     return FALSE;
 514 }
 515
 516 static USER_DRIVER null_driver =
 517 {
 518     /* keyboard functions */
 519     nulldrv_ActivateKeyboardLayout,
 520     nulldrv_Beep,
 521     nulldrv_GetAsyncKeyState,
 522     nulldrv_GetKeyNameText,
 523     nulldrv_GetKeyboardLayout,
 524     nulldrv_GetKeyboardLayoutList,
 525     nulldrv_GetKeyboardLayoutName,
 526     nulldrv_LoadKeyboardLayout,
 527     nulldrv_MapVirtualKeyEx,
 528     nulldrv_RegisterHotKey,
 529     nulldrv_ToUnicodeEx,
 530     nulldrv_UnloadKeyboardLayout,
 531     nulldrv_UnregisterHotKey,
 532     nulldrv_VkKeyScanEx,
 533     /* cursor/icon functions */
 534     nulldrv_DestroyCursorIcon,
 535     nulldrv_SetCursor,
 536     nulldrv_GetCursorPos,
 537     nulldrv_SetCursorPos,
 538     nulldrv_ClipCursor,
 539     /* clipboard functions */
 540     nulldrv_AcquireClipboard,
 541     nulldrv_CountClipboardFormats,
 542     nulldrv_EmptyClipboard,
 543     nulldrv_EndClipboardUpdate,
 544     nulldrv_EnumClipboardFormats,
 545     nulldrv_GetClipboardData,
 546     nulldrv_IsClipboardFormatAvailable,
 547     nulldrv_SetClipboardData,
 548     /* display modes */
 549     nulldrv_ChangeDisplaySettingsEx,
 550     nulldrv_EnumDisplayMonitors,
 551     nulldrv_EnumDisplaySettingsEx,
 552     nulldrv_GetMonitorInfo,
 553     /* windowing functions */
 554     nulldrv_CreateDesktopWindow,
 555     nulldrv_CreateWindow,
 556     nulldrv_DestroyWindow,
 557     nulldrv_GetDC,
 558     nulldrv_MsgWaitForMultipleObjectsEx,
 559     nulldrv_ReleaseDC,
 560     nulldrv_ScrollDC,
 561     nulldrv_SetCapture,
 562     nulldrv_SetFocus,
 563     nulldrv_SetLayeredWindowAttributes,
 564     nulldrv_SetParent,
 565     nulldrv_SetWindowRgn,
 566     nulldrv_SetWindowIcon,
 567     nulldrv_SetWindowStyle,
 568     nulldrv_SetWindowText,
 569     nulldrv_ShowWindow,
 570     nulldrv_SysCommand,
 571     nulldrv_UpdateLayeredWindow,
 572     nulldrv_WindowMessage,
 573     nulldrv_WindowPosChanging,
 574     nulldrv_WindowPosChanged,
 575     /* system parameters */
 576     nulldrv_SystemParametersInfo
 577 };
 578
 579
 580 /**********************************************************************
 581  * Lazy loading user driver
 582  *
 583  * Initial driver used before another driver is loaded.
 584  * Each entry point simply loads the real driver and chains to it.
 585  */
 586
 587 static HKL CDECL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 588 {
 589     return load_driver()->pActivateKeyboardLayout( layout, flags );
 590 }
 591
 592 static void CDECL loaderdrv_Beep(void)
 593 {
 594     load_driver()->pBeep();
 595 }
 596
 597 static SHORT CDECL loaderdrv_GetAsyncKeyState( INT key )
 598 {
 599     return load_driver()->pGetAsyncKeyState( key );
 600 }
 601
 602 static INT CDECL loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 603 {
 604     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 605 }
 606
 607 static HKL CDECL loaderdrv_GetKeyboardLayout( DWORD thread_id )
 608 {
 609     return load_driver()->pGetKeyboardLayout( thread_id );
 610 }
 611
 612 static UINT CDECL loaderdrv_GetKeyboardLayoutList( INT size, HKL *layouts )
 613 {
 614     return load_driver()->pGetKeyboardLayoutList( size, layouts );
 615 }
 616
 617 static BOOL CDECL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 618 {
 619     return load_driver()->pGetKeyboardLayoutName( name );
 620 }
 621
 622 static HKL CDECL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 623 {
 624     return load_driver()->pLoadKeyboardLayout( name, flags );
 625 }
 626
 627 static UINT CDECL loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 628 {
 629     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 630 }
 631
 632 static BOOL CDECL loaderdrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 633 {
 634     return load_driver()->pRegisterHotKey( hwnd, modifiers, vk );
 635 }
 636
 637 static INT CDECL loaderdrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 638                                   int size, UINT flags, HKL layout )
 639 {
 640     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 641 }
 642
 643 static BOOL CDECL loaderdrv_UnloadKeyboardLayout( HKL layout )
 644 {
 645     return load_driver()->pUnloadKeyboardLayout( layout );
 646 }
 647
 648 static void CDECL loaderdrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 649 {
 650     load_driver()->pUnregisterHotKey( hwnd, modifiers, vk );
 651 }
 652
 653 static SHORT CDECL loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 654 {
 655     return load_driver()->pVkKeyScanEx( ch, layout );
 656 }
 657
 658 static void CDECL loaderdrv_SetCursor( HCURSOR cursor )
 659 {
 660     load_driver()->pSetCursor( cursor );
 661 }
 662
 663 static BOOL CDECL loaderdrv_GetCursorPos( LPPOINT pt )
 664 {
 665     return load_driver()->pGetCursorPos( pt );
 666 }
 667
 668 static BOOL CDECL loaderdrv_SetCursorPos( INT x, INT y )
 669 {
 670     return load_driver()->pSetCursorPos( x, y );
 671 }
 672
 673 static BOOL CDECL loaderdrv_ClipCursor( LPCRECT clip )
 674 {
 675     return load_driver()->pClipCursor( clip );
 676 }
 677
 678 static INT CDECL loaderdrv_AcquireClipboard( HWND hwnd )
 679 {
 680     return load_driver()->pAcquireClipboard( hwnd );
 681 }
 682
 683 static BOOL CDECL loaderdrv_CountClipboardFormats(void)
 684 {
 685     return load_driver()->pCountClipboardFormats();
 686 }
 687
 688 static void CDECL loaderdrv_EmptyClipboard( BOOL keepunowned )
 689 {
 690     load_driver()->pEmptyClipboard( keepunowned );
 691 }
 692
 693 static void CDECL loaderdrv_EndClipboardUpdate(void)
 694 {
 695     load_driver()->pEndClipboardUpdate();
 696 }
 697
 698 static UINT CDECL loaderdrv_EnumClipboardFormats( UINT format )
 699 {
 700     return load_driver()->pEnumClipboardFormats( format );
 701 }
 702
 703 static HANDLE CDECL loaderdrv_GetClipboardData( UINT format )
 704 {
 705     return load_driver()->pGetClipboardData( format );
 706 }
 707
 708 static BOOL CDECL loaderdrv_IsClipboardFormatAvailable( UINT format )
 709 {
 710     return load_driver()->pIsClipboardFormatAvailable( format );
 711 }
 712
 713 static BOOL CDECL loaderdrv_SetClipboardData( UINT format, HANDLE handle, BOOL owner )
 714 {
 715     return load_driver()->pSetClipboardData( format, handle, owner );
 716 }
 717
 718 static LONG CDECL loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 719                                                      DWORD flags, LPVOID lparam )
 720 {
 721     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 722 }
 723
 724 static BOOL CDECL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 725 {
 726     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 727 }
 728
 729 static BOOL CDECL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 730 {
 731     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 732 }
 733
 734 static BOOL CDECL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 735 {
 736     return load_driver()->pGetMonitorInfo( handle, info );
 737 }
 738
 739 static BOOL CDECL loaderdrv_CreateDesktopWindow( HWND hwnd )
 740 {
 741     return load_driver()->pCreateDesktopWindow( hwnd );
 742 }
 743
 744 static BOOL CDECL loaderdrv_CreateWindow( HWND hwnd )
 745 {
 746     return load_driver()->pCreateWindow( hwnd );
 747 }
 748
 749 static void CDECL loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 750                                    const RECT *top_rect, DWORD flags )
 751 {
 752     load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
 753 }
 754
 755 static void CDECL loaderdrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 756 {
 757     load_driver()->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
 758 }
 759
 760 static int CDECL loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 761 {
 762     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 763 }
 764
 765 static BOOL CDECL loaderdrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 766                                                  const RECT *window_rect )
 767 {
 768     return load_driver()->pUpdateLayeredWindow( hwnd, info, window_rect );
 769 }
 770
 771 static USER_DRIVER lazy_load_driver =
 772 {
 773     /* keyboard functions */
 774     loaderdrv_ActivateKeyboardLayout,
 775     loaderdrv_Beep,
 776     loaderdrv_GetAsyncKeyState,
 777     loaderdrv_GetKeyNameText,
 778     loaderdrv_GetKeyboardLayout,
 779     loaderdrv_GetKeyboardLayoutList,
 780     loaderdrv_GetKeyboardLayoutName,
 781     loaderdrv_LoadKeyboardLayout,
 782     loaderdrv_MapVirtualKeyEx,
 783     loaderdrv_RegisterHotKey,
 784     loaderdrv_ToUnicodeEx,
 785     loaderdrv_UnloadKeyboardLayout,
 786     loaderdrv_UnregisterHotKey,
 787     loaderdrv_VkKeyScanEx,
 788     /* cursor/icon functions */
 789     nulldrv_DestroyCursorIcon,
 790     loaderdrv_SetCursor,
 791     loaderdrv_GetCursorPos,
 792     loaderdrv_SetCursorPos,
 793     loaderdrv_ClipCursor,
 794     /* clipboard functions */
 795     loaderdrv_AcquireClipboard,
 796     loaderdrv_CountClipboardFormats,
 797     loaderdrv_EmptyClipboard,
 798     loaderdrv_EndClipboardUpdate,
 799     loaderdrv_EnumClipboardFormats,
 800     loaderdrv_GetClipboardData,
 801     loaderdrv_IsClipboardFormatAvailable,
 802     loaderdrv_SetClipboardData,
 803     /* display modes */
 804     loaderdrv_ChangeDisplaySettingsEx,
 805     loaderdrv_EnumDisplayMonitors,
 806     loaderdrv_EnumDisplaySettingsEx,
 807     loaderdrv_GetMonitorInfo,
 808     /* windowing functions */
 809     loaderdrv_CreateDesktopWindow,
 810     loaderdrv_CreateWindow,
 811     nulldrv_DestroyWindow,
 812     loaderdrv_GetDC,
 813     nulldrv_MsgWaitForMultipleObjectsEx,
 814     nulldrv_ReleaseDC,
 815     nulldrv_ScrollDC,
 816     nulldrv_SetCapture,
 817     nulldrv_SetFocus,
 818     loaderdrv_SetLayeredWindowAttributes,
 819     nulldrv_SetParent,
 820     loaderdrv_SetWindowRgn,
 821     nulldrv_SetWindowIcon,
 822     nulldrv_SetWindowStyle,
 823     nulldrv_SetWindowText,
 824     nulldrv_ShowWindow,
 825     nulldrv_SysCommand,
 826     loaderdrv_UpdateLayeredWindow,
 827     nulldrv_WindowMessage,
 828     nulldrv_WindowPosChanging,
 829     nulldrv_WindowPosChanged,
 830     /* system parameters */
 831     nulldrv_SystemParametersInfo
 832 };