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