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, const RECT *scroll, const RECT *clip,
 345                                     HRGN hrgn, LPRECT update )
 346 {
 347     return FALSE;
 348 }
 349
 350 static void CDECL nulldrv_SetCapture( HWND hwnd, UINT flags )
 351 {
 352 }
 353
 354 static void CDECL nulldrv_SetFocus( HWND hwnd )
 355 {
 356 }
 357
 358 static void CDECL nulldrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 359 {
 360 }
 361
 362 static void CDECL nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 363 {
 364 }
 365
 366 static int CDECL nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 367 {
 368     return 1;
 369 }
 370
 371 static void CDECL nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 372 {
 373 }
 374
 375 static void CDECL nulldrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 376 {
 377 }
 378
 379 static void CDECL nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
 380 {
 381 }
 382
 383 static UINT CDECL nulldrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 384 {
 385     return swp;
 386 }
 387
 388 static LRESULT CDECL nulldrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 389 {
 390     return -1;
 391 }
 392
 393 static BOOL CDECL nulldrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 394                                                const RECT *window_rect )
 395 {
 396     return TRUE;
 397 }
 398
 399 static LRESULT CDECL nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 400 {
 401     return 0;
 402 }
 403
 404 static void CDECL nulldrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 405                                              const RECT *window_rect, const RECT *client_rect,
 406                                              RECT *visible_rect, struct window_surface **surface )
 407 {
 408 }
 409
 410 static void CDECL nulldrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 411                                             const RECT *window_rect, const RECT *client_rect,
 412                                             const RECT *visible_rect, const RECT *valid_rects,
 413                                             struct window_surface *surface )
 414 {
 415 }
 416
 417 static BOOL CDECL nulldrv_SystemParametersInfo( UINT action, UINT int_param, void *ptr_param, UINT flags )
 418 {
 419     return FALSE;
 420 }
 421
 422 static USER_DRIVER null_driver =
 423 {
 424     /* keyboard functions */
 425     nulldrv_ActivateKeyboardLayout,
 426     nulldrv_Beep,
 427     nulldrv_GetAsyncKeyState,
 428     nulldrv_GetKeyNameText,
 429     nulldrv_GetKeyboardLayout,
 430     nulldrv_GetKeyboardLayoutName,
 431     nulldrv_LoadKeyboardLayout,
 432     nulldrv_MapVirtualKeyEx,
 433     nulldrv_RegisterHotKey,
 434     nulldrv_ToUnicodeEx,
 435     nulldrv_UnloadKeyboardLayout,
 436     nulldrv_UnregisterHotKey,
 437     nulldrv_VkKeyScanEx,
 438     /* cursor/icon functions */
 439     nulldrv_CreateCursorIcon,
 440     nulldrv_DestroyCursorIcon,
 441     nulldrv_SetCursor,
 442     nulldrv_GetCursorPos,
 443     nulldrv_SetCursorPos,
 444     nulldrv_ClipCursor,
 445     /* clipboard functions */
 446     nulldrv_AcquireClipboard,
 447     nulldrv_CountClipboardFormats,
 448     nulldrv_EmptyClipboard,
 449     nulldrv_EndClipboardUpdate,
 450     nulldrv_EnumClipboardFormats,
 451     nulldrv_GetClipboardData,
 452     nulldrv_IsClipboardFormatAvailable,
 453     nulldrv_SetClipboardData,
 454     /* display modes */
 455     nulldrv_ChangeDisplaySettingsEx,
 456     nulldrv_EnumDisplayMonitors,
 457     nulldrv_EnumDisplaySettingsEx,
 458     nulldrv_GetMonitorInfo,
 459     /* windowing functions */
 460     nulldrv_CreateDesktopWindow,
 461     nulldrv_CreateWindow,
 462     nulldrv_DestroyWindow,
 463     nulldrv_GetDC,
 464     nulldrv_MsgWaitForMultipleObjectsEx,
 465     nulldrv_ReleaseDC,
 466     nulldrv_ScrollDC,
 467     nulldrv_SetCapture,
 468     nulldrv_SetFocus,
 469     nulldrv_SetLayeredWindowAttributes,
 470     nulldrv_SetParent,
 471     nulldrv_SetWindowRgn,
 472     nulldrv_SetWindowIcon,
 473     nulldrv_SetWindowStyle,
 474     nulldrv_SetWindowText,
 475     nulldrv_ShowWindow,
 476     nulldrv_SysCommand,
 477     nulldrv_UpdateLayeredWindow,
 478     nulldrv_WindowMessage,
 479     nulldrv_WindowPosChanging,
 480     nulldrv_WindowPosChanged,
 481     /* system parameters */
 482     nulldrv_SystemParametersInfo
 483 };
 484
 485
 486 /**********************************************************************
 487  * Lazy loading user driver
 488  *
 489  * Initial driver used before another driver is loaded.
 490  * Each entry point simply loads the real driver and chains to it.
 491  */
 492
 493 static HKL CDECL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
 494 {
 495     return load_driver()->pActivateKeyboardLayout( layout, flags );
 496 }
 497
 498 static void CDECL loaderdrv_Beep(void)
 499 {
 500     load_driver()->pBeep();
 501 }
 502
 503 static SHORT CDECL loaderdrv_GetAsyncKeyState( INT key )
 504 {
 505     return load_driver()->pGetAsyncKeyState( key );
 506 }
 507
 508 static INT CDECL loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
 509 {
 510     return load_driver()->pGetKeyNameText( lparam, buffer, size );
 511 }
 512
 513 static HKL CDECL loaderdrv_GetKeyboardLayout( DWORD thread_id )
 514 {
 515     return load_driver()->pGetKeyboardLayout( thread_id );
 516 }
 517
 518 static BOOL CDECL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
 519 {
 520     return load_driver()->pGetKeyboardLayoutName( name );
 521 }
 522
 523 static HKL CDECL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
 524 {
 525     return load_driver()->pLoadKeyboardLayout( name, flags );
 526 }
 527
 528 static UINT CDECL loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
 529 {
 530     return load_driver()->pMapVirtualKeyEx( code, type, layout );
 531 }
 532
 533 static BOOL CDECL loaderdrv_RegisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 534 {
 535     return load_driver()->pRegisterHotKey( hwnd, modifiers, vk );
 536 }
 537
 538 static INT CDECL loaderdrv_ToUnicodeEx( UINT virt, UINT scan, const BYTE *state, LPWSTR str,
 539                                   int size, UINT flags, HKL layout )
 540 {
 541     return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
 542 }
 543
 544 static BOOL CDECL loaderdrv_UnloadKeyboardLayout( HKL layout )
 545 {
 546     return load_driver()->pUnloadKeyboardLayout( layout );
 547 }
 548
 549 static void CDECL loaderdrv_UnregisterHotKey( HWND hwnd, UINT modifiers, UINT vk )
 550 {
 551     load_driver()->pUnregisterHotKey( hwnd, modifiers, vk );
 552 }
 553
 554 static SHORT CDECL loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
 555 {
 556     return load_driver()->pVkKeyScanEx( ch, layout );
 557 }
 558
 559 static void CDECL loaderdrv_CreateCursorIcon( HCURSOR cursor )
 560 {
 561     load_driver()->pCreateCursorIcon( cursor );
 562 }
 563
 564 static void CDECL loaderdrv_DestroyCursorIcon( HCURSOR cursor )
 565 {
 566     load_driver()->pDestroyCursorIcon( cursor );
 567 }
 568
 569 static void CDECL loaderdrv_SetCursor( HCURSOR cursor )
 570 {
 571     load_driver()->pSetCursor( cursor );
 572 }
 573
 574 static BOOL CDECL loaderdrv_GetCursorPos( LPPOINT pt )
 575 {
 576     return load_driver()->pGetCursorPos( pt );
 577 }
 578
 579 static BOOL CDECL loaderdrv_SetCursorPos( INT x, INT y )
 580 {
 581     return load_driver()->pSetCursorPos( x, y );
 582 }
 583
 584 static BOOL CDECL loaderdrv_ClipCursor( LPCRECT clip )
 585 {
 586     return load_driver()->pClipCursor( clip );
 587 }
 588
 589 static INT CDECL loaderdrv_AcquireClipboard( HWND hwnd )
 590 {
 591     return load_driver()->pAcquireClipboard( hwnd );
 592 }
 593
 594 static BOOL CDECL loaderdrv_CountClipboardFormats(void)
 595 {
 596     return load_driver()->pCountClipboardFormats();
 597 }
 598
 599 static void CDECL loaderdrv_EmptyClipboard( BOOL keepunowned )
 600 {
 601     load_driver()->pEmptyClipboard( keepunowned );
 602 }
 603
 604 static void CDECL loaderdrv_EndClipboardUpdate(void)
 605 {
 606     load_driver()->pEndClipboardUpdate();
 607 }
 608
 609 static UINT CDECL loaderdrv_EnumClipboardFormats( UINT format )
 610 {
 611     return load_driver()->pEnumClipboardFormats( format );
 612 }
 613
 614 static HANDLE CDECL loaderdrv_GetClipboardData( UINT format )
 615 {
 616     return load_driver()->pGetClipboardData( format );
 617 }
 618
 619 static BOOL CDECL loaderdrv_IsClipboardFormatAvailable( UINT format )
 620 {
 621     return load_driver()->pIsClipboardFormatAvailable( format );
 622 }
 623
 624 static BOOL CDECL loaderdrv_SetClipboardData( UINT format, HANDLE handle, BOOL owner )
 625 {
 626     return load_driver()->pSetClipboardData( format, handle, owner );
 627 }
 628
 629 static LONG CDECL loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
 630                                                      DWORD flags, LPVOID lparam )
 631 {
 632     return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
 633 }
 634
 635 static BOOL CDECL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
 636 {
 637     return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
 638 }
 639
 640 static BOOL CDECL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
 641 {
 642     return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
 643 }
 644
 645 static BOOL CDECL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
 646 {
 647     return load_driver()->pGetMonitorInfo( handle, info );
 648 }
 649
 650 static BOOL CDECL loaderdrv_CreateDesktopWindow( HWND hwnd )
 651 {
 652     return load_driver()->pCreateDesktopWindow( hwnd );
 653 }
 654
 655 static BOOL CDECL loaderdrv_CreateWindow( HWND hwnd )
 656 {
 657     return load_driver()->pCreateWindow( hwnd );
 658 }
 659
 660 static void CDECL loaderdrv_DestroyWindow( HWND hwnd )
 661 {
 662     load_driver()->pDestroyWindow( hwnd );
 663 }
 664
 665 static void CDECL loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
 666                                    const RECT *top_rect, DWORD flags )
 667 {
 668     load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
 669 }
 670
 671 static DWORD CDECL loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
 672                                                           DWORD mask, DWORD flags )
 673 {
 674     return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
 675 }
 676
 677 static void CDECL loaderdrv_ReleaseDC( HWND hwnd, HDC hdc )
 678 {
 679     load_driver()->pReleaseDC( hwnd, hdc );
 680 }
 681
 682 static BOOL CDECL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
 683                                       HRGN hrgn, LPRECT update )
 684 {
 685     return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
 686 }
 687
 688 static void CDECL loaderdrv_SetCapture( HWND hwnd, UINT flags )
 689 {
 690     load_driver()->pSetCapture( hwnd, flags );
 691 }
 692
 693 static void CDECL loaderdrv_SetFocus( HWND hwnd )
 694 {
 695     load_driver()->pSetFocus( hwnd );
 696 }
 697
 698 static void CDECL loaderdrv_SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
 699 {
 700     load_driver()->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
 701 }
 702
 703 static void CDECL loaderdrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
 704 {
 705     load_driver()->pSetParent( hwnd, parent, old_parent );
 706 }
 707
 708 static int CDECL loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
 709 {
 710     return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
 711 }
 712
 713 static void CDECL loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
 714 {
 715     load_driver()->pSetWindowIcon( hwnd, type, icon );
 716 }
 717
 718 static void CDECL loaderdrv_SetWindowStyle( HWND hwnd, INT offset, STYLESTRUCT *style )
 719 {
 720     load_driver()->pSetWindowStyle( hwnd, offset, style );
 721 }
 722
 723 static void CDECL loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
 724 {
 725     load_driver()->pSetWindowText( hwnd, text );
 726 }
 727
 728 static UINT CDECL loaderdrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
 729 {
 730     return load_driver()->pShowWindow( hwnd, cmd, rect, swp );
 731 }
 732
 733 static LRESULT CDECL loaderdrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
 734 {
 735     return load_driver()->pSysCommand( hwnd, wparam, lparam );
 736 }
 737
 738 static BOOL CDECL loaderdrv_UpdateLayeredWindow( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info,
 739                                                  const RECT *window_rect )
 740 {
 741     return load_driver()->pUpdateLayeredWindow( hwnd, info, window_rect );
 742 }
 743
 744 static LRESULT CDECL loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
 745 {
 746     return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
 747 }
 748
 749 static void CDECL loaderdrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
 750                                                const RECT *window_rect, const RECT *client_rect,
 751                                                RECT *visible_rect, struct window_surface **surface )
 752 {
 753     load_driver()->pWindowPosChanging( hwnd, insert_after, swp_flags,
 754                                        window_rect, client_rect, visible_rect, surface );
 755 }
 756
 757 static void CDECL loaderdrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
 758                                               const RECT *window_rect, const RECT *client_rect,
 759                                               const RECT *visible_rect, const RECT *valid_rects,
 760                                               struct window_surface *surface )
 761 {
 762     load_driver()->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
 763                                       client_rect, visible_rect, valid_rects, surface );
 764 }
 765
 766 static BOOL CDECL loaderdrv_SystemParametersInfo( UINT action, UINT int_param, void *ptr_param, UINT flags )
 767 {
 768     return FALSE;  /* don't trigger a driver load */
 769 }
 770
 771 static USER_DRIVER lazy_load_driver =
 772 {
 773     /* keyboard functions */
 774     loaderdrv_ActivateKeyboardLayout,
 775     loaderdrv_Beep,
 776     loaderdrv_GetAsyncKeyState,
 777     loaderdrv_GetKeyNameText,
 778     loaderdrv_GetKeyboardLayout,
 779     loaderdrv_GetKeyboardLayoutName,
 780     loaderdrv_LoadKeyboardLayout,
 781     loaderdrv_MapVirtualKeyEx,
 782     loaderdrv_RegisterHotKey,
 783     loaderdrv_ToUnicodeEx,
 784     loaderdrv_UnloadKeyboardLayout,
 785     loaderdrv_UnregisterHotKey,
 786     loaderdrv_VkKeyScanEx,
 787     /* cursor/icon functions */
 788     loaderdrv_CreateCursorIcon,
 789     loaderdrv_DestroyCursorIcon,
 790     loaderdrv_SetCursor,
 791     loaderdrv_GetCursorPos,
 792     loaderdrv_SetCursorPos,
 793     loaderdrv_ClipCursor,
 794     /* clipboard functions */
 795     loaderdrv_AcquireClipboard,
 796     loaderdrv_CountClipboardFormats,
 797     loaderdrv_EmptyClipboard,
 798     loaderdrv_EndClipboardUpdate,
 799     loaderdrv_EnumClipboardFormats,
 800     loaderdrv_GetClipboardData,
 801     loaderdrv_IsClipboardFormatAvailable,
 802     loaderdrv_SetClipboardData,
 803     /* display modes */
 804     loaderdrv_ChangeDisplaySettingsEx,
 805     loaderdrv_EnumDisplayMonitors,
 806     loaderdrv_EnumDisplaySettingsEx,
 807     loaderdrv_GetMonitorInfo,
 808     /* windowing functions */
 809     loaderdrv_CreateDesktopWindow,
 810     loaderdrv_CreateWindow,
 811     loaderdrv_DestroyWindow,
 812     loaderdrv_GetDC,
 813     loaderdrv_MsgWaitForMultipleObjectsEx,
 814     loaderdrv_ReleaseDC,
 815     loaderdrv_ScrollDC,
 816     loaderdrv_SetCapture,
 817     loaderdrv_SetFocus,
 818     loaderdrv_SetLayeredWindowAttributes,
 819     loaderdrv_SetParent,
 820     loaderdrv_SetWindowRgn,
 821     loaderdrv_SetWindowIcon,
 822     loaderdrv_SetWindowStyle,
 823     loaderdrv_SetWindowText,
 824     loaderdrv_ShowWindow,
 825     loaderdrv_SysCommand,
 826     loaderdrv_UpdateLayeredWindow,
 827     loaderdrv_WindowMessage,
 828     loaderdrv_WindowPosChanging,
 829     loaderdrv_WindowPosChanged,
 830     /* system parameters */
 831     loaderdrv_SystemParametersInfo
 832 };