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