4 * Copyright 2000, 2005 Alexandre Julliard
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.
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.
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
26 #include "wine/debug.h"
28 #include "user_private.h"
30 static USER_DRIVER null_driver, lazy_load_driver;
32 const USER_DRIVER *USER_Driver = &lazy_load_driver;
33 static DWORD driver_load_error;
35 /* load the graphics driver */
36 static const USER_DRIVER *load_driver(void)
38 char buffer[MAX_PATH], libname[32], *name, *next;
41 HMODULE graphics_driver;
42 USER_DRIVER *driver, *prev;
44 strcpy( buffer, "x11" ); /* default value */
45 /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
46 if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
48 DWORD type, count = sizeof(buffer);
49 RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
56 next = strchr( name, ',' );
57 if (next) *next++ = 0;
59 snprintf( libname, sizeof(libname), "wine%s.drv", name );
60 if ((graphics_driver = LoadLibraryA( libname )) != 0) break;
65 driver_load_error = GetLastError();
67 driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver) );
68 *driver = null_driver;
72 #define GET_USER_FUNC(name) \
73 do { if ((ptr = GetProcAddress( graphics_driver, #name ))) driver->p##name = ptr; } while(0)
75 GET_USER_FUNC(ActivateKeyboardLayout);
77 GET_USER_FUNC(GetAsyncKeyState);
78 GET_USER_FUNC(GetKeyNameText);
79 GET_USER_FUNC(GetKeyboardLayout);
80 GET_USER_FUNC(GetKeyboardLayoutList);
81 GET_USER_FUNC(GetKeyboardLayoutName);
82 GET_USER_FUNC(LoadKeyboardLayout);
83 GET_USER_FUNC(MapVirtualKeyEx);
84 GET_USER_FUNC(SendInput);
85 GET_USER_FUNC(ToUnicodeEx);
86 GET_USER_FUNC(UnloadKeyboardLayout);
87 GET_USER_FUNC(VkKeyScanEx);
88 GET_USER_FUNC(SetCursor);
89 GET_USER_FUNC(GetCursorPos);
90 GET_USER_FUNC(SetCursorPos);
91 GET_USER_FUNC(ClipCursor);
92 GET_USER_FUNC(GetScreenSaveActive);
93 GET_USER_FUNC(SetScreenSaveActive);
94 GET_USER_FUNC(AcquireClipboard);
95 GET_USER_FUNC(EmptyClipboard);
96 GET_USER_FUNC(SetClipboardData);
97 GET_USER_FUNC(GetClipboardData);
98 GET_USER_FUNC(CountClipboardFormats);
99 GET_USER_FUNC(EnumClipboardFormats);
100 GET_USER_FUNC(IsClipboardFormatAvailable);
101 GET_USER_FUNC(RegisterClipboardFormat);
102 GET_USER_FUNC(GetClipboardFormatName);
103 GET_USER_FUNC(EndClipboardUpdate);
104 GET_USER_FUNC(ChangeDisplaySettingsEx);
105 GET_USER_FUNC(EnumDisplayMonitors);
106 GET_USER_FUNC(EnumDisplaySettingsEx);
107 GET_USER_FUNC(GetMonitorInfo);
108 GET_USER_FUNC(CreateDesktopWindow);
109 GET_USER_FUNC(CreateWindow);
110 GET_USER_FUNC(DestroyWindow);
111 GET_USER_FUNC(GetDC);
112 GET_USER_FUNC(MsgWaitForMultipleObjectsEx);
113 GET_USER_FUNC(ReleaseDC);
114 GET_USER_FUNC(ScrollDC);
115 GET_USER_FUNC(SetCapture);
116 GET_USER_FUNC(SetFocus);
117 GET_USER_FUNC(SetParent);
118 GET_USER_FUNC(SetWindowRgn);
119 GET_USER_FUNC(SetWindowIcon);
120 GET_USER_FUNC(SetWindowStyle);
121 GET_USER_FUNC(SetWindowText);
122 GET_USER_FUNC(ShowWindow);
123 GET_USER_FUNC(SysCommand);
124 GET_USER_FUNC(WindowMessage);
125 GET_USER_FUNC(WindowPosChanging);
126 GET_USER_FUNC(WindowPosChanged);
130 prev = InterlockedCompareExchangePointer( (void **)&USER_Driver, driver, &lazy_load_driver );
131 if (prev != &lazy_load_driver)
133 /* another thread beat us to it */
134 HeapFree( GetProcessHeap(), 0, driver );
135 FreeLibrary( graphics_driver );
141 /* unload the graphics driver on process exit */
142 void USER_unload_driver(void)
144 /* make sure we don't try to call the driver after it has been detached */
145 USER_Driver = &null_driver;
149 /**********************************************************************
152 * These are fallbacks for entry points that are not implemented in the real driver.
155 static HKL nulldrv_ActivateKeyboardLayout( HKL layout, UINT flags )
160 static void nulldrv_Beep(void)
164 static SHORT nulldrv_GetAsyncKeyState( INT key )
169 static INT nulldrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
174 static HKL nulldrv_GetKeyboardLayout( DWORD layout )
179 static UINT nulldrv_GetKeyboardLayoutList( INT count, HKL *layouts )
184 static BOOL nulldrv_GetKeyboardLayoutName( LPWSTR name )
189 static HKL nulldrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
194 static UINT nulldrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
199 static UINT nulldrv_SendInput( UINT count, LPINPUT inputs, int size )
204 static INT nulldrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
205 int size, UINT flags, HKL layout )
210 static BOOL nulldrv_UnloadKeyboardLayout( HKL layout )
215 static SHORT nulldrv_VkKeyScanEx( WCHAR ch, HKL layout )
220 static void nulldrv_SetCursor( struct tagCURSORICONINFO *info )
224 static BOOL nulldrv_GetCursorPos( LPPOINT pt )
229 static BOOL nulldrv_SetCursorPos( INT x, INT y )
234 static BOOL nulldrv_ClipCursor( LPCRECT clip )
239 static BOOL nulldrv_GetScreenSaveActive(void)
244 static void nulldrv_SetScreenSaveActive( BOOL on )
248 static INT nulldrv_AcquireClipboard( HWND hwnd )
253 static BOOL nulldrv_CountClipboardFormats(void)
258 static void nulldrv_EmptyClipboard( BOOL keepunowned )
262 static void nulldrv_EndClipboardUpdate(void)
266 static UINT nulldrv_EnumClipboardFormats( UINT format )
271 static BOOL nulldrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
276 static INT nulldrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
281 static BOOL nulldrv_IsClipboardFormatAvailable( UINT format )
286 static UINT nulldrv_RegisterClipboardFormat( LPCWSTR name )
291 static BOOL nulldrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
296 static LONG nulldrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
297 DWORD flags, LPVOID lparam )
299 return DISP_CHANGE_FAILED;
302 static BOOL nulldrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
307 static BOOL nulldrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
312 static BOOL nulldrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
317 static BOOL nulldrv_CreateDesktopWindow( HWND hwnd )
322 static BOOL nulldrv_CreateWindow( HWND hwnd )
328 MESSAGE( "Application tried to create a window, but no driver could be loaded.\n");
329 switch (driver_load_error)
331 case ERROR_MOD_NOT_FOUND:
332 MESSAGE( "The X11 driver is missing. Check your build!\n" );
334 case ERROR_DLL_INIT_FAILED:
335 MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
338 MESSAGE( "Unknown error (%d).\n", driver_load_error );
344 static void nulldrv_DestroyWindow( HWND hwnd )
348 static void nulldrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
349 const RECT *top_rect, DWORD flags )
353 static DWORD nulldrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
354 DWORD mask, DWORD flags )
356 return WaitForMultipleObjectsEx( count, handles, flags & MWMO_WAITALL,
357 timeout, flags & MWMO_ALERTABLE );
360 static void nulldrv_ReleaseDC( HWND hwnd, HDC hdc )
364 static BOOL nulldrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
365 HRGN hrgn, LPRECT update )
370 static void nulldrv_SetCapture( HWND hwnd, UINT flags )
374 static void nulldrv_SetFocus( HWND hwnd )
378 static void nulldrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
382 static int nulldrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
387 static void nulldrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
391 static void nulldrv_SetWindowStyle( HWND hwnd, DWORD old_style )
395 static void nulldrv_SetWindowText( HWND hwnd, LPCWSTR text )
399 static UINT nulldrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
404 static LRESULT nulldrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
409 static LRESULT nulldrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
414 static void nulldrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
415 const RECT *window_rect, const RECT *client_rect,
420 static void nulldrv_WindowPosChanged( HWND hwnd, HWND insert_after, UINT swp_flags,
421 const RECT *window_rect, const RECT *client_rect,
422 const RECT *visible_rect, const RECT *valid_rects )
426 static USER_DRIVER null_driver =
428 /* keyboard functions */
429 nulldrv_ActivateKeyboardLayout,
431 nulldrv_GetAsyncKeyState,
432 nulldrv_GetKeyNameText,
433 nulldrv_GetKeyboardLayout,
434 nulldrv_GetKeyboardLayoutList,
435 nulldrv_GetKeyboardLayoutName,
436 nulldrv_LoadKeyboardLayout,
437 nulldrv_MapVirtualKeyEx,
440 nulldrv_UnloadKeyboardLayout,
442 /* mouse functions */
444 nulldrv_GetCursorPos,
445 nulldrv_SetCursorPos,
447 /* screen saver functions */
448 nulldrv_GetScreenSaveActive,
449 nulldrv_SetScreenSaveActive,
450 /* clipboard functions */
451 nulldrv_AcquireClipboard,
452 nulldrv_CountClipboardFormats,
453 nulldrv_EmptyClipboard,
454 nulldrv_EndClipboardUpdate,
455 nulldrv_EnumClipboardFormats,
456 nulldrv_GetClipboardData,
457 nulldrv_GetClipboardFormatName,
458 nulldrv_IsClipboardFormatAvailable,
459 nulldrv_RegisterClipboardFormat,
460 nulldrv_SetClipboardData,
462 nulldrv_ChangeDisplaySettingsEx,
463 nulldrv_EnumDisplayMonitors,
464 nulldrv_EnumDisplaySettingsEx,
465 nulldrv_GetMonitorInfo,
466 /* windowing functions */
467 nulldrv_CreateDesktopWindow,
468 nulldrv_CreateWindow,
469 nulldrv_DestroyWindow,
471 nulldrv_MsgWaitForMultipleObjectsEx,
477 nulldrv_SetWindowRgn,
478 nulldrv_SetWindowIcon,
479 nulldrv_SetWindowStyle,
480 nulldrv_SetWindowText,
483 nulldrv_WindowMessage,
484 nulldrv_WindowPosChanging,
485 nulldrv_WindowPosChanged
489 /**********************************************************************
490 * Lazy loading user driver
492 * Initial driver used before another driver is loaded.
493 * Each entry point simply loads the real driver and chains to it.
496 static HKL loaderdrv_ActivateKeyboardLayout( HKL layout, UINT flags )
498 return load_driver()->pActivateKeyboardLayout( layout, flags );
501 static void loaderdrv_Beep(void)
503 load_driver()->pBeep();
506 static SHORT loaderdrv_GetAsyncKeyState( INT key )
508 return load_driver()->pGetAsyncKeyState( key );
511 static INT loaderdrv_GetKeyNameText( LONG lparam, LPWSTR buffer, INT size )
513 return load_driver()->pGetKeyNameText( lparam, buffer, size );
516 static HKL loaderdrv_GetKeyboardLayout( DWORD layout )
518 return load_driver()->pGetKeyboardLayout( layout );
521 static UINT loaderdrv_GetKeyboardLayoutList( INT count, HKL *layouts )
523 return load_driver()->pGetKeyboardLayoutList( count, layouts );
526 static BOOL loaderdrv_GetKeyboardLayoutName( LPWSTR name )
528 return load_driver()->pGetKeyboardLayoutName( name );
531 static HKL loaderdrv_LoadKeyboardLayout( LPCWSTR name, UINT flags )
533 return load_driver()->pLoadKeyboardLayout( name, flags );
536 static UINT loaderdrv_MapVirtualKeyEx( UINT code, UINT type, HKL layout )
538 return load_driver()->pMapVirtualKeyEx( code, type, layout );
541 static UINT loaderdrv_SendInput( UINT count, LPINPUT inputs, int size )
543 return load_driver()->pSendInput( count, inputs, size );
546 static INT loaderdrv_ToUnicodeEx( UINT virt, UINT scan, LPBYTE state, LPWSTR str,
547 int size, UINT flags, HKL layout )
549 return load_driver()->pToUnicodeEx( virt, scan, state, str, size, flags, layout );
552 static BOOL loaderdrv_UnloadKeyboardLayout( HKL layout )
554 return load_driver()->pUnloadKeyboardLayout( layout );
557 static SHORT loaderdrv_VkKeyScanEx( WCHAR ch, HKL layout )
559 return load_driver()->pVkKeyScanEx( ch, layout );
562 static void loaderdrv_SetCursor( struct tagCURSORICONINFO *info )
564 load_driver()->pSetCursor( info );
567 static BOOL loaderdrv_GetCursorPos( LPPOINT pt )
569 return load_driver()->pGetCursorPos( pt );
572 static BOOL loaderdrv_SetCursorPos( INT x, INT y )
574 return load_driver()->pSetCursorPos( x, y );
577 static BOOL loaderdrv_ClipCursor( LPCRECT clip )
579 return load_driver()->pClipCursor( clip );
582 static BOOL loaderdrv_GetScreenSaveActive(void)
584 return load_driver()->pGetScreenSaveActive();
587 static void loaderdrv_SetScreenSaveActive( BOOL on )
589 load_driver()->pSetScreenSaveActive( on );
592 static INT loaderdrv_AcquireClipboard( HWND hwnd )
594 return load_driver()->pAcquireClipboard( hwnd );
597 static BOOL loaderdrv_CountClipboardFormats(void)
599 return load_driver()->pCountClipboardFormats();
602 static void loaderdrv_EmptyClipboard( BOOL keepunowned )
604 load_driver()->pEmptyClipboard( keepunowned );
607 static void loaderdrv_EndClipboardUpdate(void)
609 load_driver()->pEndClipboardUpdate();
612 static UINT loaderdrv_EnumClipboardFormats( UINT format )
614 return load_driver()->pEnumClipboardFormats( format );
617 static BOOL loaderdrv_GetClipboardData( UINT format, HANDLE16 *h16, HANDLE *h32 )
619 return load_driver()->pGetClipboardData( format, h16, h32 );
622 static INT loaderdrv_GetClipboardFormatName( UINT format, LPWSTR buffer, UINT len )
624 return load_driver()->pGetClipboardFormatName( format, buffer, len );
627 static BOOL loaderdrv_IsClipboardFormatAvailable( UINT format )
629 return load_driver()->pIsClipboardFormatAvailable( format );
632 static UINT loaderdrv_RegisterClipboardFormat( LPCWSTR name )
634 return load_driver()->pRegisterClipboardFormat( name );
637 static BOOL loaderdrv_SetClipboardData( UINT format, HANDLE16 h16, HANDLE h32, BOOL owner )
639 return load_driver()->pSetClipboardData( format, h16, h32, owner );
642 static LONG loaderdrv_ChangeDisplaySettingsEx( LPCWSTR name, LPDEVMODEW mode, HWND hwnd,
643 DWORD flags, LPVOID lparam )
645 return load_driver()->pChangeDisplaySettingsEx( name, mode, hwnd, flags, lparam );
648 static BOOL loaderdrv_EnumDisplayMonitors( HDC hdc, LPRECT rect, MONITORENUMPROC proc, LPARAM lp )
650 return load_driver()->pEnumDisplayMonitors( hdc, rect, proc, lp );
653 static BOOL loaderdrv_EnumDisplaySettingsEx( LPCWSTR name, DWORD num, LPDEVMODEW mode, DWORD flags )
655 return load_driver()->pEnumDisplaySettingsEx( name, num, mode, flags );
658 static BOOL loaderdrv_GetMonitorInfo( HMONITOR handle, LPMONITORINFO info )
660 return load_driver()->pGetMonitorInfo( handle, info );
663 static BOOL loaderdrv_CreateDesktopWindow( HWND hwnd )
665 return load_driver()->pCreateDesktopWindow( hwnd );
668 static BOOL loaderdrv_CreateWindow( HWND hwnd )
670 return load_driver()->pCreateWindow( hwnd );
673 static void loaderdrv_DestroyWindow( HWND hwnd )
675 load_driver()->pDestroyWindow( hwnd );
678 static void loaderdrv_GetDC( HDC hdc, HWND hwnd, HWND top_win, const RECT *win_rect,
679 const RECT *top_rect, DWORD flags )
681 load_driver()->pGetDC( hdc, hwnd, top_win, win_rect, top_rect, flags );
684 static DWORD loaderdrv_MsgWaitForMultipleObjectsEx( DWORD count, const HANDLE *handles, DWORD timeout,
685 DWORD mask, DWORD flags )
687 return load_driver()->pMsgWaitForMultipleObjectsEx( count, handles, timeout, mask, flags );
690 static void loaderdrv_ReleaseDC( HWND hwnd, HDC hdc )
692 load_driver()->pReleaseDC( hwnd, hdc );
695 static BOOL loaderdrv_ScrollDC( HDC hdc, INT dx, INT dy, const RECT *scroll, const RECT *clip,
696 HRGN hrgn, LPRECT update )
698 return load_driver()->pScrollDC( hdc, dx, dy, scroll, clip, hrgn, update );
701 static void loaderdrv_SetCapture( HWND hwnd, UINT flags )
703 load_driver()->pSetCapture( hwnd, flags );
706 static void loaderdrv_SetFocus( HWND hwnd )
708 load_driver()->pSetFocus( hwnd );
711 static void loaderdrv_SetParent( HWND hwnd, HWND parent, HWND old_parent )
713 load_driver()->pSetParent( hwnd, parent, old_parent );
716 static int loaderdrv_SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL redraw )
718 return load_driver()->pSetWindowRgn( hwnd, hrgn, redraw );
721 static void loaderdrv_SetWindowIcon( HWND hwnd, UINT type, HICON icon )
723 load_driver()->pSetWindowIcon( hwnd, type, icon );
726 static void loaderdrv_SetWindowStyle( HWND hwnd, DWORD old_style )
728 load_driver()->pSetWindowStyle( hwnd, old_style );
731 static void loaderdrv_SetWindowText( HWND hwnd, LPCWSTR text )
733 load_driver()->pSetWindowText( hwnd, text );
736 static UINT loaderdrv_ShowWindow( HWND hwnd, INT cmd, RECT *rect, UINT swp )
738 return load_driver()->pShowWindow( hwnd, cmd, rect, swp );
741 static LRESULT loaderdrv_SysCommand( HWND hwnd, WPARAM wparam, LPARAM lparam )
743 return load_driver()->pSysCommand( hwnd, wparam, lparam );
746 static LRESULT loaderdrv_WindowMessage( HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam )
748 return load_driver()->pWindowMessage( hwnd, msg, wparam, lparam );
751 static void loaderdrv_WindowPosChanging( HWND hwnd, HWND insert_after, UINT swp_flags,
752 const RECT *window_rect, const RECT *client_rect,
755 load_driver()->pWindowPosChanging( hwnd, insert_after, swp_flags,
756 window_rect, client_rect, visible_rect );
759 static void 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 )
763 load_driver()->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
764 client_rect, visible_rect, valid_rects );
767 static USER_DRIVER lazy_load_driver =
769 /* keyboard functions */
770 loaderdrv_ActivateKeyboardLayout,
772 loaderdrv_GetAsyncKeyState,
773 loaderdrv_GetKeyNameText,
774 loaderdrv_GetKeyboardLayout,
775 loaderdrv_GetKeyboardLayoutList,
776 loaderdrv_GetKeyboardLayoutName,
777 loaderdrv_LoadKeyboardLayout,
778 loaderdrv_MapVirtualKeyEx,
780 loaderdrv_ToUnicodeEx,
781 loaderdrv_UnloadKeyboardLayout,
782 loaderdrv_VkKeyScanEx,
783 /* mouse functions */
785 loaderdrv_GetCursorPos,
786 loaderdrv_SetCursorPos,
787 loaderdrv_ClipCursor,
788 /* screen saver functions */
789 loaderdrv_GetScreenSaveActive,
790 loaderdrv_SetScreenSaveActive,
791 /* clipboard functions */
792 loaderdrv_AcquireClipboard,
793 loaderdrv_CountClipboardFormats,
794 loaderdrv_EmptyClipboard,
795 loaderdrv_EndClipboardUpdate,
796 loaderdrv_EnumClipboardFormats,
797 loaderdrv_GetClipboardData,
798 loaderdrv_GetClipboardFormatName,
799 loaderdrv_IsClipboardFormatAvailable,
800 loaderdrv_RegisterClipboardFormat,
801 loaderdrv_SetClipboardData,
803 loaderdrv_ChangeDisplaySettingsEx,
804 loaderdrv_EnumDisplayMonitors,
805 loaderdrv_EnumDisplaySettingsEx,
806 loaderdrv_GetMonitorInfo,
807 /* windowing functions */
808 loaderdrv_CreateDesktopWindow,
809 loaderdrv_CreateWindow,
810 loaderdrv_DestroyWindow,
812 loaderdrv_MsgWaitForMultipleObjectsEx,
815 loaderdrv_SetCapture,
818 loaderdrv_SetWindowRgn,
819 loaderdrv_SetWindowIcon,
820 loaderdrv_SetWindowStyle,
821 loaderdrv_SetWindowText,
822 loaderdrv_ShowWindow,
823 loaderdrv_SysCommand,
824 loaderdrv_WindowMessage,
825 loaderdrv_WindowPosChanging,
826 loaderdrv_WindowPosChanged