dlls/user32/driver.c

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