git.oblomov.eu Git - wine/blob - dlls/user32/driver.c

   1 /*
   2  * USER driver support
   3  *
   4  * Copyright 2000, 2005 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "wine/debug.h"
  27
  28 #include "user_private.h"
  29
  30 static USER_DRIVER null_driver, lazy_load_driver;
  31
  32 const USER_DRIVER *USER_Driver = &lazy_load_driver;
  33 static DWORD driver_load_error;
  34
  35 /* load the graphics driver */
  36 static const USER_DRIVER *load_driver(void)
  37 {
  38     char buffer[MAX_PATH], libname[32], *name, *next;
  39     HKEY hkey;
  40     void *ptr;
  41     HMODULE graphics_driver;
  42     USER_DRIVER *driver, *prev;
  43
  44     strcpy( buffer, "x11" );  /* default value */
  45     /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
  46     if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
  47     {
  48         DWORD type, count = sizeof(buffer);
  49         RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
  50         RegCloseKey( hkey );
  51     }
  52
  53     name = buffer;
  54     while (name)
  55     {
  56         next = strchr( name, ',' );
  57         if (next) *next++ = 0;
  58
  59         snprintf( libname, sizeof(libname), "wine%s.drv", name );
  60         if ((graphics_driver = LoadLibraryA( libname )) != 0) break;
  61         name = next;
  62     }
  63
  64     if (!graphics_driver)
  65         driver_load_error = GetLastError();
  66
  67     driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
  68     *driver = null_driver;
  69
  70     if (graphics_driver)
  71     {
  72 #define GET_USER_FUNC(name) \
  73     do { if ((ptr = GetProcAddress( graphics_driver, #name ))) driver->p##name = ptr; } while(0)
  74
  75         GET_USER_FUNC(ActivateKeyboardLayout);
  76         GET_USER_FUNC(Beep);
  77         GET_USER_FUNC(GetAsyncKeyState);
  78         GET_USER_FUNC(GetKeyNameText);
  79         GET_USER_FUNC(GetKeyboardLayout);
  80         GET_USER_FUNC(GetKeyboardLayoutName);
  81         GET_USER_FUNC(LoadKeyboardLayout);
  82         GET_USER_FUNC(MapVirtualKeyEx);
  83         GET_USER_FUNC(RegisterHotKey);
  84         GET_USER_FUNC(ToUnicodeEx);
  85         GET_USER_FUNC(UnloadKeyboardLayout);
  86         GET_USER_FUNC(UnregisterHotKey);
  87         GET_USER_FUNC(VkKeyScanEx);
  88         GET_USER_FUNC(CreateCursorIcon);
  89         GET_USER_FUNC(DestroyCursorIcon);
  90         GET_USER_FUNC(SetCursor);
  91         GET_USER_FUNC(GetCursorPos);
  92         GET_USER_FUNC(SetCursorPos);
  93         GET_USER_FUNC(ClipCursor);
  94         GET_USER_FUNC(GetScreenSaveActive);
  95         GET_USER_FUNC(SetScreenSaveActive);
  96         GET_USER_FUNC(AcquireClipboard);
  97         GET_USER_FUNC(EmptyClipboard);
  98         GET_USER_FUNC(SetClipboardData);
  99         GET_USER_FUNC(GetClipboardData);
 100         GET_USER_FUNC(CountClipboardFormats);
 101         GET_USER_FUNC(EnumClipboardFormats);
 102         GET_USER_FUNC(IsClipboardFormatAvailable);
 103         GET_USER_FUNC(EndClipboardUpdate);
 104         GET_USER_FUNC(ChangeDisplaySettingsEx);
 105         GET_USER_FUNC(EnumDisplayMonitors);
 106         GET_USER_FUNC(EnumDisplaySettingsEx);
 107         GET_USER_FUNC(GetMonitorInfo);
 108         GET_USER_FUNC(CreateDesktopWindow);
 109         GET_USER_FUNC(CreateWindow);
 110         GET_USER_FUNC(DestroyWindow);
 111         GET_USER_FUNC(GetDC);
 112         GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
 113         GET_USER_FUNC(ReleaseDC);
 114         GET_USER_FUNC(ScrollDC);
 115         GET_USER_FUNC(SetCapture);
 116         GET_USER_FUNC(SetFocus);
 117         GET_USER_FUNC(SetLayeredWindowAttributes);
 118         GET_USER_FUNC(SetParent);
 119         GET_USER_FUNC(SetWindowRgn);
 120         GET_USER_FUNC(SetWindowIcon);
 121         GET_USER_FUNC(SetWindowStyle);
 122         GET_USER_FUNC(SetWindowText);
 123         GET_USER_FUNC(ShowWindow);
 124         GET_USER_FUNC(SysCommand);
 125         GET_USER_FUNC(WindowMessage);
 126         GET_USER_FUNC(WindowPosChanging);
 127         GET_USER_FUNC(WindowPosChanged);
 128 #undef GET_USER_FUNC
 129     }
 130
 131     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, &lazy_load_driver );
 132     if (prev != &lazy_load_driver)
 133     {
 134         /* another thread beat us to it */
 135         HeapFree( GetProcessHeap(), 0, driver );
 136         FreeLibrary( graphics_driver );
 137         driver = prev;
 138     }
 139     return driver;
 140 }
 141
 142 /* unload the graphics driver on process exit */
 143 void USER_unload_driver(void)
 144 {
 145     USER_DRIVER *prev;
 146     /* make sure we don't try to call the driver after it has been detached */
 147     prev = InterlockedExchangePointer( (void **)&USER_Driver, &null_driver );
 148     if (prev != &lazy_load_driver && prev != &null_driver)
 149         HeapFree( GetProcessHeap(), 0, prev );
 150 }
 151
 152
 153 /**********************************************************************
 154  * Null user driver
 155  *
 156  * These are fallbacks for entry points that are not implemented in the real driver.
 157  */
 158
 159 static HKL CDECL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 160 {
 161     return 0;
 162 }
 163
 164 static void CDECL nulldrv_Beep(void)
 165 {
 166 }
 167
 168 static SHORT CDECL nulldrv_GetAsyncKeyState( INT key )
 169 {
 170     return -1;
 171 }
 172
 173 static INT CDECL nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 174 {
 175     return 0;
 176 }
 177
 178 static HKL CDECL nulldrv_GetKeyboardLayout( DWORD thread_id )
 179 {
 180     return 0;
 181 }
 182
 183 static BOOL CDECL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 184 {
 185     return FALSE;
 186 }
 187
 188 static HKL CDECL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 189 {
 190     return 0;
 191 }
 192
 193 static UINT CDECL nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 194 {
 195     return 0;
 196 }
 197
 198 static BOOL CDECL nulldrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 199 {
 200     return TRUE;
 201 }
 202
 203 static INT CDECL nulldrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 204                                       int size, UINT flags, HKL layout )
 205 {
 206     return 0;
 207 }
 208
 209 static BOOL CDECL nulldrv_UnloadKeyboardLayout( HKL layout )
 210 {
 211     return 0;
 212 }
 213
 214 static void CDECL nulldrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 215 {
 216 }
 217
 218 static SHORT CDECL nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 219 {
 220     return -1;
 221 }
 222
 223 static void CDECL nulldrv_CreateCursorIcon( HCURSOR cursor )
 224 {
 225 }
 226
 227 static void CDECL nulldrv_DestroyCursorIcon( HCURSOR cursor )
 228 {
 229 }
 230
 231 static void CDECL nulldrv_SetCursor( HCURSOR cursor )
 232 {
 233 }
 234
 235 static BOOL CDECL nulldrv_GetCursorPos( LPPOINT pt )
 236 {
 237     return FALSE;
 238 }
 239
 240 static BOOL CDECL nulldrv_SetCursorPos( INT x, INT y )
 241 {
 242     return FALSE;
 243 }
 244
 245 static BOOL CDECL nulldrv_ClipCursor( LPCRECT clip )
 246 {
 247     return FALSE;
 248 }
 249
 250 static BOOL CDECL nulldrv_GetScreenSaveActive(void)
 251 {
 252     return FALSE;
 253 }
 254
 255 static void CDECL nulldrv_SetScreenSaveActive( BOOL on )
 256 {
 257 }
 258
 259 static INT CDECL nulldrv_AcquireClipboard( HWND hwnd )
 260 {
 261     return 0;
 262 }
 263
 264 static BOOL CDECL nulldrv_CountClipboardFormats(void)
 265 {
 266     return 0;
 267 }
 268
 269 static void CDECL nulldrv_EmptyClipboard( BOOL keepunowned )
 270 {
 271 }
 272
 273 static void CDECL nulldrv_EndClipboardUpdate(void)
 274 {
 275 }
 276
 277 static UINT CDECL nulldrv_EnumClipboardFormats( UINT format )
 278 {
 279     return 0;
 280 }
 281
 282 static HANDLE CDECL nulldrv_GetClipboardData( UINT format )
 283 {
 284     return 0;
 285 }
 286
 287 static BOOL CDECL nulldrv_IsClipboardFormatAvailable( UINT format )
 288 {
 289     return FALSE;
 290 }
 291
 292 static BOOL CDECL nulldrv_SetClipboardData( UINT format, HANDLE handle, BOOL owner )
 293 {
 294     return FALSE;
 295 }
 296
 297 static LONG CDECL nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 298                                              DWORD flags, LPVOID lparam )
 299 {
 300     return DISP_CHANGE_FAILED;
 301 }
 302
 303 static BOOL CDECL nulldrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 304 {
 305     return FALSE;
 306 }
 307
 308 static BOOL CDECL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 309 {
 310     return FALSE;
 311 }
 312
 313 static BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 314 {
 315     return FALSE;
 316 }
 317
 318 static BOOL CDECL nulldrv_CreateDesktopWindow( HWND hwnd )
 319 {
 320     return TRUE;
 321 }
 322
 323 static BOOL CDECL nulldrv_CreateWindow( HWND hwnd )
 324 {
 325     static int warned;
 326
 327     /* HWND_MESSAGE windows don't need a graphics driver */
 328     if (GetAncestor( hwnd, GA_PARENT ) == get_user_thread_info()->msg_window) return TRUE;
 329     if (warned++) return FALSE;
 330
 331     MESSAGE( "Application tried to create a window, but no driver could be loaded.\n");
 332     switch (driver_load_error)
 333     {
 334     case ERROR_MOD_NOT_FOUND:
 335         MESSAGE( "The X11 driver is missing.  Check your build!\n" );
 336         break;
 337     case ERROR_DLL_INIT_FAILED:
 338         MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
 339         break;
 340     default:
 341         MESSAGE( "Unknown error (%d).\n", driver_load_error );
 342     }
 343
 344     return FALSE;
 345 }
 346
 347 static void CDECL nulldrv_DestroyWindow( HWND hwnd )
 348 {
 349 }
 350
 351 static void CDECL nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 352                                  const RECT *top_rect, DWORD flags )
 353 {
 354 }
 355
 356 static DWORD CDECL nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 357                                                         DWORD mask, DWORD flags )
 358 {
 359     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 360                                      timeout, flags & MWMO_ALERTABLE );
 361 }
 362
 363 static void CDECL nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
 364 {
 365 }
 366
 367 static BOOL CDECL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 368                                     HRGN hrgn, LPRECT update )
 369 {
 370     return FALSE;
 371 }
 372
 373 static void CDECL nulldrv_SetCapture( HWND hwnd, UINT flags )
 374 {
 375 }
 376
 377 static void CDECL nulldrv_SetFocus( HWND hwnd )
 378 {
 379 }
 380
 381 static void CDECL nulldrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 382 {
 383 }
 384
 385 static void CDECL nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 386 {
 387 }
 388
 389 static int CDECL nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 390 {
 391     return 1;
 392 }
 393
 394 static void CDECL nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 395 {
 396 }
 397
 398 static void CDECL nulldrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 399 {
 400 }
 401
 402 static void CDECL nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 403 {
 404 }
 405
 406 static UINT CDECL nulldrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 407 {
 408     return swp;
 409 }
 410
 411 static LRESULT CDECL nulldrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 412 {
 413     return -1;
 414 }
 415
 416 static LRESULT CDECL nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 417 {
 418     return 0;
 419 }
 420
 421 static void CDECL nulldrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 422                                              const RECT *window_rect, const RECT *client_rect,
 423                                              RECT *visible_rect )
 424 {
 425 }
 426
 427 static void CDECL nulldrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 428                                             const RECT *window_rect, const RECT *client_rect,
 429                                             const RECT *visible_rect, const RECT *valid_rects )
 430 {
 431 }
 432
 433 static USER_DRIVER null_driver =
 434 {
 435     /* keyboard functions */
 436     nulldrv_ActivateKeyboardLayout,
 437     nulldrv_Beep,
 438     nulldrv_GetAsyncKeyState,
 439     nulldrv_GetKeyNameText,
 440     nulldrv_GetKeyboardLayout,
 441     nulldrv_GetKeyboardLayoutName,
 442     nulldrv_LoadKeyboardLayout,
 443     nulldrv_MapVirtualKeyEx,
 444     nulldrv_RegisterHotKey,
 445     nulldrv_ToUnicodeEx,
 446     nulldrv_UnloadKeyboardLayout,
 447     nulldrv_UnregisterHotKey,
 448     nulldrv_VkKeyScanEx,
 449     /* cursor/icon functions */
 450     nulldrv_CreateCursorIcon,
 451     nulldrv_DestroyCursorIcon,
 452     nulldrv_SetCursor,
 453     nulldrv_GetCursorPos,
 454     nulldrv_SetCursorPos,
 455     nulldrv_ClipCursor,
 456     /* screen saver functions */
 457     nulldrv_GetScreenSaveActive,
 458     nulldrv_SetScreenSaveActive,
 459     /* clipboard functions */
 460     nulldrv_AcquireClipboard,
 461     nulldrv_CountClipboardFormats,
 462     nulldrv_EmptyClipboard,
 463     nulldrv_EndClipboardUpdate,
 464     nulldrv_EnumClipboardFormats,
 465     nulldrv_GetClipboardData,
 466     nulldrv_IsClipboardFormatAvailable,
 467     nulldrv_SetClipboardData,
 468     /* display modes */
 469     nulldrv_ChangeDisplaySettingsEx,
 470     nulldrv_EnumDisplayMonitors,
 471     nulldrv_EnumDisplaySettingsEx,
 472     nulldrv_GetMonitorInfo,
 473     /* windowing functions */
 474     nulldrv_CreateDesktopWindow,
 475     nulldrv_CreateWindow,
 476     nulldrv_DestroyWindow,
 477     nulldrv_GetDC,
 478     nulldrv_MsgWaitForMultipleObjectsEx,
 479     nulldrv_ReleaseDC,
 480     nulldrv_ScrollDC,
 481     nulldrv_SetCapture,
 482     nulldrv_SetFocus,
 483     nulldrv_SetLayeredWindowAttributes,
 484     nulldrv_SetParent,
 485     nulldrv_SetWindowRgn,
 486     nulldrv_SetWindowIcon,
 487     nulldrv_SetWindowStyle,
 488     nulldrv_SetWindowText,
 489     nulldrv_ShowWindow,
 490     nulldrv_SysCommand,
 491     nulldrv_WindowMessage,
 492     nulldrv_WindowPosChanging,
 493     nulldrv_WindowPosChanged
 494 };
 495
 496
 497 /**********************************************************************
 498  * Lazy loading user driver
 499  *
 500  * Initial driver used before another driver is loaded.
 501  * Each entry point simply loads the real driver and chains to it.
 502  */
 503
 504 static HKL CDECL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 505 {
 506     return load_driver()->pActivateKeyboardLayout( layout, flags );
 507 }
 508
 509 static void CDECL loaderdrv_Beep(void)
 510 {
 511     load_driver()->pBeep();
 512 }
 513
 514 static SHORT CDECL loaderdrv_GetAsyncKeyState( INT key )
 515 {
 516     return load_driver()->pGetAsyncKeyState( key );
 517 }
 518
 519 static INT CDECL loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 520 {
 521     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 522 }
 523
 524 static HKL CDECL loaderdrv_GetKeyboardLayout( DWORD thread_id )
 525 {
 526     return load_driver()->pGetKeyboardLayout( thread_id );
 527 }
 528
 529 static BOOL CDECL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 530 {
 531     return load_driver()->pGetKeyboardLayoutName( name );
 532 }
 533
 534 static HKL CDECL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 535 {
 536     return load_driver()->pLoadKeyboardLayout( name, flags );
 537 }
 538
 539 static UINT CDECL loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 540 {
 541     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 542 }
 543
 544 static BOOL CDECL loaderdrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 545 {
 546     return load_driver()->pRegisterHotKey( hwnd, modifiers, vk );
 547 }
 548
 549 static INT CDECL loaderdrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 550                                   int size, UINT flags, HKL layout )
 551 {
 552     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 553 }
 554
 555 static BOOL CDECL loaderdrv_UnloadKeyboardLayout( HKL layout )
 556 {
 557     return load_driver()->pUnloadKeyboardLayout( layout );
 558 }
 559
 560 static void CDECL loaderdrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 561 {
 562     load_driver()->pUnregisterHotKey( hwnd, modifiers, vk );
 563 }
 564
 565 static SHORT CDECL loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 566 {
 567     return load_driver()->pVkKeyScanEx( ch, layout );
 568 }
 569
 570 static void CDECL loaderdrv_CreateCursorIcon( HCURSOR cursor )
 571 {
 572     load_driver()->pCreateCursorIcon( cursor );
 573 }
 574
 575 static void CDECL loaderdrv_DestroyCursorIcon( HCURSOR cursor )
 576 {
 577     load_driver()->pDestroyCursorIcon( cursor );
 578 }
 579
 580 static void CDECL loaderdrv_SetCursor( HCURSOR cursor )
 581 {
 582     load_driver()->pSetCursor( cursor );
 583 }
 584
 585 static BOOL CDECL loaderdrv_GetCursorPos( LPPOINT pt )
 586 {
 587     return load_driver()->pGetCursorPos( pt );
 588 }
 589
 590 static BOOL CDECL loaderdrv_SetCursorPos( INT x, INT y )
 591 {
 592     return load_driver()->pSetCursorPos( x, y );
 593 }
 594
 595 static BOOL CDECL loaderdrv_ClipCursor( LPCRECT clip )
 596 {
 597     return load_driver()->pClipCursor( clip );
 598 }
 599
 600 static BOOL CDECL loaderdrv_GetScreenSaveActive(void)
 601 {
 602     return load_driver()->pGetScreenSaveActive();
 603 }
 604
 605 static void CDECL loaderdrv_SetScreenSaveActive( BOOL on )
 606 {
 607     load_driver()->pSetScreenSaveActive( on );
 608 }
 609
 610 static INT CDECL loaderdrv_AcquireClipboard( HWND hwnd )
 611 {
 612     return load_driver()->pAcquireClipboard( hwnd );
 613 }
 614
 615 static BOOL CDECL loaderdrv_CountClipboardFormats(void)
 616 {
 617     return load_driver()->pCountClipboardFormats();
 618 }
 619
 620 static void CDECL loaderdrv_EmptyClipboard( BOOL keepunowned )
 621 {
 622     load_driver()->pEmptyClipboard( keepunowned );
 623 }
 624
 625 static void CDECL loaderdrv_EndClipboardUpdate(void)
 626 {
 627     load_driver()->pEndClipboardUpdate();
 628 }
 629
 630 static UINT CDECL loaderdrv_EnumClipboardFormats( UINT format )
 631 {
 632     return load_driver()->pEnumClipboardFormats( format );
 633 }
 634
 635 static HANDLE CDECL loaderdrv_GetClipboardData( UINT format )
 636 {
 637     return load_driver()->pGetClipboardData( format );
 638 }
 639
 640 static BOOL CDECL loaderdrv_IsClipboardFormatAvailable( UINT format )
 641 {
 642     return load_driver()->pIsClipboardFormatAvailable( format );
 643 }
 644
 645 static BOOL CDECL loaderdrv_SetClipboardData( UINT format, HANDLE handle, BOOL owner )
 646 {
 647     return load_driver()->pSetClipboardData( format, handle, owner );
 648 }
 649
 650 static LONG CDECL loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 651                                                      DWORD flags, LPVOID lparam )
 652 {
 653     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 654 }
 655
 656 static BOOL CDECL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 657 {
 658     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 659 }
 660
 661 static BOOL CDECL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 662 {
 663     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 664 }
 665
 666 static BOOL CDECL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 667 {
 668     return load_driver()->pGetMonitorInfo( handle, info );
 669 }
 670
 671 static BOOL CDECL loaderdrv_CreateDesktopWindow( HWND hwnd )
 672 {
 673     return load_driver()->pCreateDesktopWindow( hwnd );
 674 }
 675
 676 static BOOL CDECL loaderdrv_CreateWindow( HWND hwnd )
 677 {
 678     return load_driver()->pCreateWindow( hwnd );
 679 }
 680
 681 static void CDECL loaderdrv_DestroyWindow( HWND hwnd )
 682 {
 683     load_driver()->pDestroyWindow( hwnd );
 684 }
 685
 686 static void CDECL loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 687                                    const RECT *top_rect, DWORD flags )
 688 {
 689     load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
 690 }
 691
 692 static DWORD CDECL loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 693                                                           DWORD mask, DWORD flags )
 694 {
 695     return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
 696 }
 697
 698 static void CDECL loaderdrv_ReleaseDC( HWND hwnd, HDC hdc )
 699 {
 700     load_driver()->pReleaseDC( hwnd, hdc );
 701 }
 702
 703 static BOOL CDECL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 704                                       HRGN hrgn, LPRECT update )
 705 {
 706     return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
 707 }
 708
 709 static void CDECL loaderdrv_SetCapture( HWND hwnd, UINT flags )
 710 {
 711     load_driver()->pSetCapture( hwnd, flags );
 712 }
 713
 714 static void CDECL loaderdrv_SetFocus( HWND hwnd )
 715 {
 716     load_driver()->pSetFocus( hwnd );
 717 }
 718
 719 static void CDECL loaderdrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 720 {
 721     load_driver()->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
 722 }
 723
 724 static void CDECL loaderdrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 725 {
 726     load_driver()->pSetParent( hwnd, parent, old_parent );
 727 }
 728
 729 static int CDECL loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 730 {
 731     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 732 }
 733
 734 static void CDECL loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 735 {
 736     load_driver()->pSetWindowIcon( hwnd, type, icon );
 737 }
 738
 739 static void CDECL loaderdrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 740 {
 741     load_driver()->pSetWindowStyle( hwnd, offset, style );
 742 }
 743
 744 static void CDECL loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
 745 {
 746     load_driver()->pSetWindowText( hwnd, text );
 747 }
 748
 749 static UINT CDECL loaderdrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 750 {
 751     return load_driver()->pShowWindow( hwnd, cmd, rect, swp );
 752 }
 753
 754 static LRESULT CDECL loaderdrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 755 {
 756     return load_driver()->pSysCommand( hwnd, wparam, lparam );
 757 }
 758
 759 static LRESULT CDECL loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 760 {
 761     return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
 762 }
 763
 764 static void CDECL loaderdrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 765                                                const RECT *window_rect, const RECT *client_rect,
 766                                                RECT *visible_rect )
 767 {
 768     load_driver()->pWindowPosChanging( hwnd, insert_after, swp_flags,
 769                                        window_rect, client_rect, visible_rect );
 770 }
 771
 772 static void CDECL loaderdrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 773                                               const RECT *window_rect, const RECT *client_rect,
 774                                               const RECT *visible_rect, const RECT *valid_rects )
 775 {
 776     load_driver()->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
 777                                       client_rect, visible_rect, valid_rects );
 778 }
 779
 780 static USER_DRIVER lazy_load_driver =
 781 {
 782     /* keyboard functions */
 783     loaderdrv_ActivateKeyboardLayout,
 784     loaderdrv_Beep,
 785     loaderdrv_GetAsyncKeyState,
 786     loaderdrv_GetKeyNameText,
 787     loaderdrv_GetKeyboardLayout,
 788     loaderdrv_GetKeyboardLayoutName,
 789     loaderdrv_LoadKeyboardLayout,
 790     loaderdrv_MapVirtualKeyEx,
 791     loaderdrv_RegisterHotKey,
 792     loaderdrv_ToUnicodeEx,
 793     loaderdrv_UnloadKeyboardLayout,
 794     loaderdrv_UnregisterHotKey,
 795     loaderdrv_VkKeyScanEx,
 796     /* cursor/icon functions */
 797     loaderdrv_CreateCursorIcon,
 798     loaderdrv_DestroyCursorIcon,
 799     loaderdrv_SetCursor,
 800     loaderdrv_GetCursorPos,
 801     loaderdrv_SetCursorPos,
 802     loaderdrv_ClipCursor,
 803     /* screen saver functions */
 804     loaderdrv_GetScreenSaveActive,
 805     loaderdrv_SetScreenSaveActive,
 806     /* clipboard functions */
 807     loaderdrv_AcquireClipboard,
 808     loaderdrv_CountClipboardFormats,
 809     loaderdrv_EmptyClipboard,
 810     loaderdrv_EndClipboardUpdate,
 811     loaderdrv_EnumClipboardFormats,
 812     loaderdrv_GetClipboardData,
 813     loaderdrv_IsClipboardFormatAvailable,
 814     loaderdrv_SetClipboardData,
 815     /* display modes */
 816     loaderdrv_ChangeDisplaySettingsEx,
 817     loaderdrv_EnumDisplayMonitors,
 818     loaderdrv_EnumDisplaySettingsEx,
 819     loaderdrv_GetMonitorInfo,
 820     /* windowing functions */
 821     loaderdrv_CreateDesktopWindow,
 822     loaderdrv_CreateWindow,
 823     loaderdrv_DestroyWindow,
 824     loaderdrv_GetDC,
 825     loaderdrv_MsgWaitForMultipleObjectsEx,
 826     loaderdrv_ReleaseDC,
 827     loaderdrv_ScrollDC,
 828     loaderdrv_SetCapture,
 829     loaderdrv_SetFocus,
 830     loaderdrv_SetLayeredWindowAttributes,
 831     loaderdrv_SetParent,
 832     loaderdrv_SetWindowRgn,
 833     loaderdrv_SetWindowIcon,
 834     loaderdrv_SetWindowStyle,
 835     loaderdrv_SetWindowText,
 836     loaderdrv_ShowWindow,
 837     loaderdrv_SysCommand,
 838     loaderdrv_WindowMessage,
 839     loaderdrv_WindowPosChanging,
 840     loaderdrv_WindowPosChanged
 841 };