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
  30 #include "user_private.h"
  31
  32 static USER_DRIVER null_driver, lazy_load_driver;
  33
  34 const USER_DRIVER *USER_Driver = &lazy_load_driver;
  35 static DWORD driver_load_error;
  36
  37 /* load the graphics driver */
  38 static const USER_DRIVER *load_driver(void)
  39 {
  40     static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
  41     HDC hdc;
  42     void *ptr;
  43     HMODULE graphics_driver;
  44     USER_DRIVER *driver, *prev;
  45
  46     driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
  47     *driver = null_driver;
  48
  49     hdc = CreateDCW( displayW, NULL, NULL, NULL );
  50
  51     graphics_driver = __wine_get_driver_module( hdc );
  52     if (graphics_driver)
  53     {
  54 #define GET_USER_FUNC(name) \
  55     do { if ((ptr = GetProcAddress( graphics_driver, #name ))) driver->p##name = ptr; } while(0)
  56
  57         GET_USER_FUNC(ActivateKeyboardLayout);
  58         GET_USER_FUNC(Beep);
  59         GET_USER_FUNC(GetAsyncKeyState);
  60         GET_USER_FUNC(GetKeyNameText);
  61         GET_USER_FUNC(GetKeyboardLayout);
  62         GET_USER_FUNC(GetKeyboardLayoutName);
  63         GET_USER_FUNC(LoadKeyboardLayout);
  64         GET_USER_FUNC(MapVirtualKeyEx);
  65         GET_USER_FUNC(RegisterHotKey);
  66         GET_USER_FUNC(ToUnicodeEx);
  67         GET_USER_FUNC(UnloadKeyboardLayout);
  68         GET_USER_FUNC(UnregisterHotKey);
  69         GET_USER_FUNC(VkKeyScanEx);
  70         GET_USER_FUNC(CreateCursorIcon);
  71         GET_USER_FUNC(DestroyCursorIcon);
  72         GET_USER_FUNC(SetCursor);
  73         GET_USER_FUNC(GetCursorPos);
  74         GET_USER_FUNC(SetCursorPos);
  75         GET_USER_FUNC(ClipCursor);
  76         GET_USER_FUNC(GetScreenSaveActive);
  77         GET_USER_FUNC(SetScreenSaveActive);
  78         GET_USER_FUNC(AcquireClipboard);
  79         GET_USER_FUNC(EmptyClipboard);
  80         GET_USER_FUNC(SetClipboardData);
  81         GET_USER_FUNC(GetClipboardData);
  82         GET_USER_FUNC(CountClipboardFormats);
  83         GET_USER_FUNC(EnumClipboardFormats);
  84         GET_USER_FUNC(IsClipboardFormatAvailable);
  85         GET_USER_FUNC(EndClipboardUpdate);
  86         GET_USER_FUNC(ChangeDisplaySettingsEx);
  87         GET_USER_FUNC(EnumDisplayMonitors);
  88         GET_USER_FUNC(EnumDisplaySettingsEx);
  89         GET_USER_FUNC(GetMonitorInfo);
  90         GET_USER_FUNC(CreateDesktopWindow);
  91         GET_USER_FUNC(CreateWindow);
  92         GET_USER_FUNC(DestroyWindow);
  93         GET_USER_FUNC(GetDC);
  94         GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
  95         GET_USER_FUNC(ReleaseDC);
  96         GET_USER_FUNC(ScrollDC);
  97         GET_USER_FUNC(SetCapture);
  98         GET_USER_FUNC(SetFocus);
  99         GET_USER_FUNC(SetLayeredWindowAttributes);
 100         GET_USER_FUNC(SetParent);
 101         GET_USER_FUNC(SetWindowRgn);
 102         GET_USER_FUNC(SetWindowIcon);
 103         GET_USER_FUNC(SetWindowStyle);
 104         GET_USER_FUNC(SetWindowText);
 105         GET_USER_FUNC(ShowWindow);
 106         GET_USER_FUNC(SysCommand);
 107         GET_USER_FUNC(UpdateLayeredWindow);
 108         GET_USER_FUNC(WindowMessage);
 109         GET_USER_FUNC(WindowPosChanging);
 110         GET_USER_FUNC(WindowPosChanged);
 111 #undef GET_USER_FUNC
 112     }
 113     else driver_load_error = GetLastError();
 114
 115     prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, &lazy_load_driver );
 116     if (prev != &lazy_load_driver)
 117     {
 118         /* another thread beat us to it */
 119         HeapFree( GetProcessHeap(), 0, driver );
 120         driver = prev;
 121     }
 122     else LdrAddRefDll( 0, graphics_driver );
 123
 124     DeleteDC( hdc );
 125     return driver;
 126 }
 127
 128 /* unload the graphics driver on process exit */
 129 void USER_unload_driver(void)
 130 {
 131     USER_DRIVER *prev;
 132     /* make sure we don't try to call the driver after it has been detached */
 133     prev = InterlockedExchangePointer( (void **)&USER_Driver, &null_driver );
 134     if (prev != &lazy_load_driver && prev != &null_driver)
 135         HeapFree( GetProcessHeap(), 0, prev );
 136 }
 137
 138
 139 /**********************************************************************
 140  * Null user driver
 141  *
 142  * These are fallbacks for entry points that are not implemented in the real driver.
 143  */
 144
 145 static HKL CDECL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 146 {
 147     return 0;
 148 }
 149
 150 static void CDECL nulldrv_Beep(void)
 151 {
 152 }
 153
 154 static SHORT CDECL nulldrv_GetAsyncKeyState( INT key )
 155 {
 156     return -1;
 157 }
 158
 159 static INT CDECL nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 160 {
 161     return 0;
 162 }
 163
 164 static HKL CDECL nulldrv_GetKeyboardLayout( DWORD thread_id )
 165 {
 166     return 0;
 167 }
 168
 169 static BOOL CDECL nulldrv_GetKeyboardLayoutName( LPWSTR name )
 170 {
 171     return FALSE;
 172 }
 173
 174 static HKL CDECL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 175 {
 176     return 0;
 177 }
 178
 179 static UINT CDECL nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 180 {
 181     return 0;
 182 }
 183
 184 static BOOL CDECL nulldrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 185 {
 186     return TRUE;
 187 }
 188
 189 static INT CDECL nulldrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 190                                       int size, UINT flags, HKL layout )
 191 {
 192     return 0;
 193 }
 194
 195 static BOOL CDECL nulldrv_UnloadKeyboardLayout( HKL layout )
 196 {
 197     return 0;
 198 }
 199
 200 static void CDECL nulldrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 201 {
 202 }
 203
 204 static SHORT CDECL nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
 205 {
 206     return -1;
 207 }
 208
 209 static void CDECL nulldrv_CreateCursorIcon( HCURSOR cursor )
 210 {
 211 }
 212
 213 static void CDECL nulldrv_DestroyCursorIcon( HCURSOR cursor )
 214 {
 215 }
 216
 217 static void CDECL nulldrv_SetCursor( HCURSOR cursor )
 218 {
 219 }
 220
 221 static BOOL CDECL nulldrv_GetCursorPos( LPPOINT pt )
 222 {
 223     return FALSE;
 224 }
 225
 226 static BOOL CDECL nulldrv_SetCursorPos( INT x, INT y )
 227 {
 228     return FALSE;
 229 }
 230
 231 static BOOL CDECL nulldrv_ClipCursor( LPCRECT clip )
 232 {
 233     return FALSE;
 234 }
 235
 236 static BOOL CDECL nulldrv_GetScreenSaveActive(void)
 237 {
 238     return FALSE;
 239 }
 240
 241 static void CDECL nulldrv_SetScreenSaveActive( BOOL on )
 242 {
 243 }
 244
 245 static INT CDECL nulldrv_AcquireClipboard( HWND hwnd )
 246 {
 247     return 0;
 248 }
 249
 250 static BOOL CDECL nulldrv_CountClipboardFormats(void)
 251 {
 252     return 0;
 253 }
 254
 255 static void CDECL nulldrv_EmptyClipboard( BOOL keepunowned )
 256 {
 257 }
 258
 259 static void CDECL nulldrv_EndClipboardUpdate(void)
 260 {
 261 }
 262
 263 static UINT CDECL nulldrv_EnumClipboardFormats( UINT format )
 264 {
 265     return 0;
 266 }
 267
 268 static HANDLE CDECL nulldrv_GetClipboardData( UINT format )
 269 {
 270     return 0;
 271 }
 272
 273 static BOOL CDECL nulldrv_IsClipboardFormatAvailable( UINT format )
 274 {
 275     return FALSE;
 276 }
 277
 278 static BOOL CDECL nulldrv_SetClipboardData( UINT format, HANDLE handle, BOOL owner )
 279 {
 280     return FALSE;
 281 }
 282
 283 static LONG CDECL nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 284                                              DWORD flags, LPVOID lparam )
 285 {
 286     return DISP_CHANGE_FAILED;
 287 }
 288
 289 static BOOL CDECL nulldrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 290 {
 291     return FALSE;
 292 }
 293
 294 static BOOL CDECL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 295 {
 296     return FALSE;
 297 }
 298
 299 static BOOL CDECL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 300 {
 301     return FALSE;
 302 }
 303
 304 static BOOL CDECL nulldrv_CreateDesktopWindow( HWND hwnd )
 305 {
 306     return TRUE;
 307 }
 308
 309 static BOOL CDECL nulldrv_CreateWindow( HWND hwnd )
 310 {
 311     static int warned;
 312
 313     /* HWND_MESSAGE windows don't need a graphics driver */
 314     if (GetAncestor( hwnd, GA_PARENT ) == get_user_thread_info()->msg_window) return TRUE;
 315     if (warned++) return FALSE;
 316
 317     MESSAGE( "Application tried to create a window, but no driver could be loaded.\n");
 318     switch (driver_load_error)
 319     {
 320     case ERROR_MOD_NOT_FOUND:
 321         MESSAGE( "The graphics driver is missing. Check your build!\n" );
 322         break;
 323     case ERROR_DLL_INIT_FAILED:
 324         MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
 325         break;
 326     default:
 327         MESSAGE( "Unknown error (%d).\n", driver_load_error );
 328     }
 329
 330     return FALSE;
 331 }
 332
 333 static void CDECL nulldrv_DestroyWindow( HWND hwnd )
 334 {
 335 }
 336
 337 static void CDECL nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 338                                  const RECT *top_rect, DWORD flags )
 339 {
 340 }
 341
 342 static DWORD CDECL nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 343                                                         DWORD mask, DWORD flags )
 344 {
 345     return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
 346                                      timeout, flags & MWMO_ALERTABLE );
 347 }
 348
 349 static void CDECL nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
 350 {
 351 }
 352
 353 static BOOL CDECL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 354                                     HRGN hrgn, LPRECT update )
 355 {
 356     return FALSE;
 357 }
 358
 359 static void CDECL nulldrv_SetCapture( HWND hwnd, UINT flags )
 360 {
 361 }
 362
 363 static void CDECL nulldrv_SetFocus( HWND hwnd )
 364 {
 365 }
 366
 367 static void CDECL nulldrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 368 {
 369 }
 370
 371 static void CDECL nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 372 {
 373 }
 374
 375 static int CDECL nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 376 {
 377     return 1;
 378 }
 379
 380 static void CDECL nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 381 {
 382 }
 383
 384 static void CDECL nulldrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 385 {
 386 }
 387
 388 static void CDECL nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 389 {
 390 }
 391
 392 static UINT CDECL nulldrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 393 {
 394     return swp;
 395 }
 396
 397 static LRESULT CDECL nulldrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 398 {
 399     return -1;
 400 }
 401
 402 static BOOL CDECL nulldrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 403                                                const RECT *window_rect )
 404 {
 405     return TRUE;
 406 }
 407
 408 static LRESULT CDECL nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 409 {
 410     return 0;
 411 }
 412
 413 static void CDECL nulldrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 414                                              const RECT *window_rect, const RECT *client_rect,
 415                                              RECT *visible_rect, struct window_surface **surface )
 416 {
 417 }
 418
 419 static void CDECL nulldrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 420                                             const RECT *window_rect, const RECT *client_rect,
 421                                             const RECT *visible_rect, const RECT *valid_rects,
 422                                             struct window_surface *surface )
 423 {
 424 }
 425
 426 static USER_DRIVER null_driver =
 427 {
 428     /* keyboard functions */
 429     nulldrv_ActivateKeyboardLayout,
 430     nulldrv_Beep,
 431     nulldrv_GetAsyncKeyState,
 432     nulldrv_GetKeyNameText,
 433     nulldrv_GetKeyboardLayout,
 434     nulldrv_GetKeyboardLayoutName,
 435     nulldrv_LoadKeyboardLayout,
 436     nulldrv_MapVirtualKeyEx,
 437     nulldrv_RegisterHotKey,
 438     nulldrv_ToUnicodeEx,
 439     nulldrv_UnloadKeyboardLayout,
 440     nulldrv_UnregisterHotKey,
 441     nulldrv_VkKeyScanEx,
 442     /* cursor/icon functions */
 443     nulldrv_CreateCursorIcon,
 444     nulldrv_DestroyCursorIcon,
 445     nulldrv_SetCursor,
 446     nulldrv_GetCursorPos,
 447     nulldrv_SetCursorPos,
 448     nulldrv_ClipCursor,
 449     /* screen saver functions */
 450     nulldrv_GetScreenSaveActive,
 451     nulldrv_SetScreenSaveActive,
 452     /* clipboard functions */
 453     nulldrv_AcquireClipboard,
 454     nulldrv_CountClipboardFormats,
 455     nulldrv_EmptyClipboard,
 456     nulldrv_EndClipboardUpdate,
 457     nulldrv_EnumClipboardFormats,
 458     nulldrv_GetClipboardData,
 459     nulldrv_IsClipboardFormatAvailable,
 460     nulldrv_SetClipboardData,
 461     /* display modes */
 462     nulldrv_ChangeDisplaySettingsEx,
 463     nulldrv_EnumDisplayMonitors,
 464     nulldrv_EnumDisplaySettingsEx,
 465     nulldrv_GetMonitorInfo,
 466     /* windowing functions */
 467     nulldrv_CreateDesktopWindow,
 468     nulldrv_CreateWindow,
 469     nulldrv_DestroyWindow,
 470     nulldrv_GetDC,
 471     nulldrv_MsgWaitForMultipleObjectsEx,
 472     nulldrv_ReleaseDC,
 473     nulldrv_ScrollDC,
 474     nulldrv_SetCapture,
 475     nulldrv_SetFocus,
 476     nulldrv_SetLayeredWindowAttributes,
 477     nulldrv_SetParent,
 478     nulldrv_SetWindowRgn,
 479     nulldrv_SetWindowIcon,
 480     nulldrv_SetWindowStyle,
 481     nulldrv_SetWindowText,
 482     nulldrv_ShowWindow,
 483     nulldrv_SysCommand,
 484     nulldrv_UpdateLayeredWindow,
 485     nulldrv_WindowMessage,
 486     nulldrv_WindowPosChanging,
 487     nulldrv_WindowPosChanged
 488 };
 489
 490
 491 /**********************************************************************
 492  * Lazy loading user driver
 493  *
 494  * Initial driver used before another driver is loaded.
 495  * Each entry point simply loads the real driver and chains to it.
 496  */
 497
 498 static HKL CDECL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 499 {
 500     return load_driver()->pActivateKeyboardLayout( layout, flags );
 501 }
 502
 503 static void CDECL loaderdrv_Beep(void)
 504 {
 505     load_driver()->pBeep();
 506 }
 507
 508 static SHORT CDECL loaderdrv_GetAsyncKeyState( INT key )
 509 {
 510     return load_driver()->pGetAsyncKeyState( key );
 511 }
 512
 513 static INT CDECL loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 514 {
 515     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 516 }
 517
 518 static HKL CDECL loaderdrv_GetKeyboardLayout( DWORD thread_id )
 519 {
 520     return load_driver()->pGetKeyboardLayout( thread_id );
 521 }
 522
 523 static BOOL CDECL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 524 {
 525     return load_driver()->pGetKeyboardLayoutName( name );
 526 }
 527
 528 static HKL CDECL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 529 {
 530     return load_driver()->pLoadKeyboardLayout( name, flags );
 531 }
 532
 533 static UINT CDECL loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 534 {
 535     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 536 }
 537
 538 static BOOL CDECL loaderdrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 539 {
 540     return load_driver()->pRegisterHotKey( hwnd, modifiers, vk );
 541 }
 542
 543 static INT CDECL loaderdrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 544                                   int size, UINT flags, HKL layout )
 545 {
 546     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 547 }
 548
 549 static BOOL CDECL loaderdrv_UnloadKeyboardLayout( HKL layout )
 550 {
 551     return load_driver()->pUnloadKeyboardLayout( layout );
 552 }
 553
 554 static void CDECL loaderdrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 555 {
 556     load_driver()->pUnregisterHotKey( hwnd, modifiers, vk );
 557 }
 558
 559 static SHORT CDECL loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 560 {
 561     return load_driver()->pVkKeyScanEx( ch, layout );
 562 }
 563
 564 static void CDECL loaderdrv_CreateCursorIcon( HCURSOR cursor )
 565 {
 566     load_driver()->pCreateCursorIcon( cursor );
 567 }
 568
 569 static void CDECL loaderdrv_DestroyCursorIcon( HCURSOR cursor )
 570 {
 571     load_driver()->pDestroyCursorIcon( cursor );
 572 }
 573
 574 static void CDECL loaderdrv_SetCursor( HCURSOR cursor )
 575 {
 576     load_driver()->pSetCursor( cursor );
 577 }
 578
 579 static BOOL CDECL loaderdrv_GetCursorPos( LPPOINT pt )
 580 {
 581     return load_driver()->pGetCursorPos( pt );
 582 }
 583
 584 static BOOL CDECL loaderdrv_SetCursorPos( INT x, INT y )
 585 {
 586     return load_driver()->pSetCursorPos( x, y );
 587 }
 588
 589 static BOOL CDECL loaderdrv_ClipCursor( LPCRECT clip )
 590 {
 591     return load_driver()->pClipCursor( clip );
 592 }
 593
 594 static BOOL CDECL loaderdrv_GetScreenSaveActive(void)
 595 {
 596     return load_driver()->pGetScreenSaveActive();
 597 }
 598
 599 static void CDECL loaderdrv_SetScreenSaveActive( BOOL on )
 600 {
 601     load_driver()->pSetScreenSaveActive( on );
 602 }
 603
 604 static INT CDECL loaderdrv_AcquireClipboard( HWND hwnd )
 605 {
 606     return load_driver()->pAcquireClipboard( hwnd );
 607 }
 608
 609 static BOOL CDECL loaderdrv_CountClipboardFormats(void)
 610 {
 611     return load_driver()->pCountClipboardFormats();
 612 }
 613
 614 static void CDECL loaderdrv_EmptyClipboard( BOOL keepunowned )
 615 {
 616     load_driver()->pEmptyClipboard( keepunowned );
 617 }
 618
 619 static void CDECL loaderdrv_EndClipboardUpdate(void)
 620 {
 621     load_driver()->pEndClipboardUpdate();
 622 }
 623
 624 static UINT CDECL loaderdrv_EnumClipboardFormats( UINT format )
 625 {
 626     return load_driver()->pEnumClipboardFormats( format );
 627 }
 628
 629 static HANDLE CDECL loaderdrv_GetClipboardData( UINT format )
 630 {
 631     return load_driver()->pGetClipboardData( format );
 632 }
 633
 634 static BOOL CDECL loaderdrv_IsClipboardFormatAvailable( UINT format )
 635 {
 636     return load_driver()->pIsClipboardFormatAvailable( format );
 637 }
 638
 639 static BOOL CDECL loaderdrv_SetClipboardData( UINT format, HANDLE handle, BOOL owner )
 640 {
 641     return load_driver()->pSetClipboardData( format, handle, owner );
 642 }
 643
 644 static LONG CDECL loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 645                                                      DWORD flags, LPVOID lparam )
 646 {
 647     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 648 }
 649
 650 static BOOL CDECL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 651 {
 652     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 653 }
 654
 655 static BOOL CDECL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 656 {
 657     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 658 }
 659
 660 static BOOL CDECL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 661 {
 662     return load_driver()->pGetMonitorInfo( handle, info );
 663 }
 664
 665 static BOOL CDECL loaderdrv_CreateDesktopWindow( HWND hwnd )
 666 {
 667     return load_driver()->pCreateDesktopWindow( hwnd );
 668 }
 669
 670 static BOOL CDECL loaderdrv_CreateWindow( HWND hwnd )
 671 {
 672     return load_driver()->pCreateWindow( hwnd );
 673 }
 674
 675 static void CDECL loaderdrv_DestroyWindow( HWND hwnd )
 676 {
 677     load_driver()->pDestroyWindow( hwnd );
 678 }
 679
 680 static void CDECL loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 681                                    const RECT *top_rect, DWORD flags )
 682 {
 683     load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
 684 }
 685
 686 static DWORD CDECL loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 687                                                           DWORD mask, DWORD flags )
 688 {
 689     return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
 690 }
 691
 692 static void CDECL loaderdrv_ReleaseDC( HWND hwnd, HDC hdc )
 693 {
 694     load_driver()->pReleaseDC( hwnd, hdc );
 695 }
 696
 697 static BOOL CDECL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 698                                       HRGN hrgn, LPRECT update )
 699 {
 700     return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
 701 }
 702
 703 static void CDECL loaderdrv_SetCapture( HWND hwnd, UINT flags )
 704 {
 705     load_driver()->pSetCapture( hwnd, flags );
 706 }
 707
 708 static void CDECL loaderdrv_SetFocus( HWND hwnd )
 709 {
 710     load_driver()->pSetFocus( hwnd );
 711 }
 712
 713 static void CDECL loaderdrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 714 {
 715     load_driver()->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
 716 }
 717
 718 static void CDECL loaderdrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 719 {
 720     load_driver()->pSetParent( hwnd, parent, old_parent );
 721 }
 722
 723 static int CDECL loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 724 {
 725     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 726 }
 727
 728 static void CDECL loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 729 {
 730     load_driver()->pSetWindowIcon( hwnd, type, icon );
 731 }
 732
 733 static void CDECL loaderdrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 734 {
 735     load_driver()->pSetWindowStyle( hwnd, offset, style );
 736 }
 737
 738 static void CDECL loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
 739 {
 740     load_driver()->pSetWindowText( hwnd, text );
 741 }
 742
 743 static UINT CDECL loaderdrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 744 {
 745     return load_driver()->pShowWindow( hwnd, cmd, rect, swp );
 746 }
 747
 748 static LRESULT CDECL loaderdrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 749 {
 750     return load_driver()->pSysCommand( hwnd, wparam, lparam );
 751 }
 752
 753 static BOOL CDECL loaderdrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 754                                                  const RECT *window_rect )
 755 {
 756     return load_driver()->pUpdateLayeredWindow( hwnd, info, window_rect );
 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, struct window_surface **surface )
 767 {
 768     load_driver()->pWindowPosChanging( hwnd, insert_after, swp_flags,
 769                                        window_rect, client_rect, visible_rect, surface );
 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                                               struct window_surface *surface )
 776 {
 777     load_driver()->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
 778                                       client_rect, visible_rect, valid_rects, surface );
 779 }
 780
 781 static USER_DRIVER lazy_load_driver =
 782 {
 783     /* keyboard functions */
 784     loaderdrv_ActivateKeyboardLayout,
 785     loaderdrv_Beep,
 786     loaderdrv_GetAsyncKeyState,
 787     loaderdrv_GetKeyNameText,
 788     loaderdrv_GetKeyboardLayout,
 789     loaderdrv_GetKeyboardLayoutName,
 790     loaderdrv_LoadKeyboardLayout,
 791     loaderdrv_MapVirtualKeyEx,
 792     loaderdrv_RegisterHotKey,
 793     loaderdrv_ToUnicodeEx,
 794     loaderdrv_UnloadKeyboardLayout,
 795     loaderdrv_UnregisterHotKey,
 796     loaderdrv_VkKeyScanEx,
 797     /* cursor/icon functions */
 798     loaderdrv_CreateCursorIcon,
 799     loaderdrv_DestroyCursorIcon,
 800     loaderdrv_SetCursor,
 801     loaderdrv_GetCursorPos,
 802     loaderdrv_SetCursorPos,
 803     loaderdrv_ClipCursor,
 804     /* screen saver functions */
 805     loaderdrv_GetScreenSaveActive,
 806     loaderdrv_SetScreenSaveActive,
 807     /* clipboard functions */
 808     loaderdrv_AcquireClipboard,
 809     loaderdrv_CountClipboardFormats,
 810     loaderdrv_EmptyClipboard,
 811     loaderdrv_EndClipboardUpdate,
 812     loaderdrv_EnumClipboardFormats,
 813     loaderdrv_GetClipboardData,
 814     loaderdrv_IsClipboardFormatAvailable,
 815     loaderdrv_SetClipboardData,
 816     /* display modes */
 817     loaderdrv_ChangeDisplaySettingsEx,
 818     loaderdrv_EnumDisplayMonitors,
 819     loaderdrv_EnumDisplaySettingsEx,
 820     loaderdrv_GetMonitorInfo,
 821     /* windowing functions */
 822     loaderdrv_CreateDesktopWindow,
 823     loaderdrv_CreateWindow,
 824     loaderdrv_DestroyWindow,
 825     loaderdrv_GetDC,
 826     loaderdrv_MsgWaitForMultipleObjectsEx,
 827     loaderdrv_ReleaseDC,
 828     loaderdrv_ScrollDC,
 829     loaderdrv_SetCapture,
 830     loaderdrv_SetFocus,
 831     loaderdrv_SetLayeredWindowAttributes,
 832     loaderdrv_SetParent,
 833     loaderdrv_SetWindowRgn,
 834     loaderdrv_SetWindowIcon,
 835     loaderdrv_SetWindowStyle,
 836     loaderdrv_SetWindowText,
 837     loaderdrv_ShowWindow,
 838     loaderdrv_SysCommand,
 839     loaderdrv_UpdateLayeredWindow,
 840     loaderdrv_WindowMessage,
 841     loaderdrv_WindowPosChanging,
 842     loaderdrv_WindowPosChanged
 843 };