2 * Window related functions
4 * Copyright 1993, 1994 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
22 #include "wine/port.h"
30 #include "wine/winbase16.h"
31 #include "wine/winuser16.h"
33 #include "wine/server.h"
34 #include "wine/unicode.h"
36 #include "user_private.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(win);
43 #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
44 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
46 /**********************************************************************/
48 /* helper for Get/SetWindowLong */
49 static inline LONG_PTR get_win_data( const void *ptr, UINT size )
51 if (size == sizeof(WORD))
54 memcpy( &ret, ptr, sizeof(ret) );
57 else if (size == sizeof(DWORD))
60 memcpy( &ret, ptr, sizeof(ret) );
66 memcpy( &ret, ptr, sizeof(ret) );
71 /* helper for Get/SetWindowLong */
72 static inline void set_win_data( void *ptr, LONG_PTR val, UINT size )
74 if (size == sizeof(WORD))
77 memcpy( ptr, &newval, sizeof(newval) );
79 else if (size == sizeof(DWORD))
82 memcpy( ptr, &newval, sizeof(newval) );
86 memcpy( ptr, &val, sizeof(val) );
91 static void *user_handles[NB_USER_HANDLES];
93 /***********************************************************************
94 * create_window_handle
96 * Create a window handle with the server.
98 static WND *create_window_handle( HWND parent, HWND owner, LPCWSTR name,
99 HINSTANCE instance, BOOL unicode )
103 HWND full_parent = 0, full_owner = 0;
104 struct tagCLASS *class = NULL;
105 user_handle_t handle = 0;
108 /* if 16-bit instance, map to module handle */
109 if (instance && !HIWORD(instance))
110 instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
112 SERVER_START_REQ( create_window )
114 req->parent = parent;
116 req->instance = instance;
117 if (!(req->atom = get_int_atom_value( name )) && name)
118 wine_server_add_data( req, name, strlenW(name)*sizeof(WCHAR) );
119 if (!wine_server_call_err( req ))
121 handle = reply->handle;
122 full_parent = reply->parent;
123 full_owner = reply->owner;
124 extra_bytes = reply->extra;
125 class = reply->class_ptr;
132 WARN( "error %d creating window\n", GetLastError() );
136 if (!(win = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
137 sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
139 SERVER_START_REQ( destroy_window )
141 req->handle = handle;
142 wine_server_call( req );
145 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
149 if (!parent) /* if parent is 0 we don't have a desktop window yet */
151 struct user_thread_info *thread_info = get_user_thread_info();
153 if (!thread_info->desktop) thread_info->desktop = full_parent ? full_parent : handle;
154 else assert( full_parent == thread_info->desktop );
155 if (full_parent && !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
156 ERR( "failed to create desktop window\n" );
161 index = USER_HANDLE_TO_INDEX(handle);
162 assert( index < NB_USER_HANDLES );
163 user_handles[index] = win;
164 win->hwndSelf = handle;
165 win->parent = full_parent;
166 win->owner = full_owner;
168 win->winproc = get_class_winproc( class );
169 win->dwMagic = WND_MAGIC;
170 win->cbWndExtra = extra_bytes;
171 if (WINPROC_IsUnicode( win->winproc, unicode )) win->flags |= WIN_ISUNICODE;
176 /***********************************************************************
179 * Free a window handle.
181 static WND *free_window_handle( HWND hwnd )
184 WORD index = USER_HANDLE_TO_INDEX(hwnd);
186 if (index >= NB_USER_HANDLES) return NULL;
188 if ((ptr = user_handles[index]))
190 SERVER_START_REQ( destroy_window )
193 if (!wine_server_call_err( req ))
195 user_handles[index] = NULL;
204 HeapFree( GetProcessHeap(), 0, ptr );
209 /*******************************************************************
210 * list_window_children
212 * Build an array of the children of a given window. The array must be
213 * freed with HeapFree. Returns NULL when no windows are found.
215 static HWND *list_window_children( HDESK desktop, HWND hwnd, LPCWSTR class, DWORD tid )
224 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
226 SERVER_START_REQ( get_window_children )
228 req->desktop = desktop;
231 if (!(req->atom = get_int_atom_value( class )) && class)
232 wine_server_add_data( req, class, strlenW(class)*sizeof(WCHAR) );
233 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
234 if (!wine_server_call( req )) count = reply->count;
237 if (count && count < size)
242 HeapFree( GetProcessHeap(), 0, list );
244 size = count + 1; /* restart with a large enough buffer */
250 /*******************************************************************
251 * list_window_parents
253 * Build an array of all parents of a given window, starting with
254 * the immediate parent. The array must be freed with HeapFree.
256 static HWND *list_window_parents( HWND hwnd )
260 int pos = 0, size = 16, count = 0;
262 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
267 if (!(win = WIN_GetPtr( current ))) goto empty;
268 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
269 if (win == WND_DESKTOP)
271 if (!pos) goto empty;
275 list[pos] = current = win->parent;
276 WIN_ReleasePtr( win );
277 if (!current) return list;
278 if (++pos == size - 1)
280 /* need to grow the list */
281 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
282 if (!new_list) goto empty;
288 /* at least one parent belongs to another process, have to query the server */
293 SERVER_START_REQ( get_window_parents )
296 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
297 if (!wine_server_call( req )) count = reply->count;
300 if (!count) goto empty;
306 HeapFree( GetProcessHeap(), 0, list );
308 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
312 HeapFree( GetProcessHeap(), 0, list );
317 /*******************************************************************
320 static void send_parent_notify( HWND hwnd, UINT msg )
322 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
323 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
325 HWND parent = GetParent(hwnd);
326 if (parent && parent != GetDesktopWindow())
327 SendMessageW( parent, WM_PARENTNOTIFY,
328 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
333 /*******************************************************************
334 * get_server_window_text
336 * Retrieve the window text from the server.
338 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
342 SERVER_START_REQ( get_window_text )
345 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
346 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
349 text[len / sizeof(WCHAR)] = 0;
353 /***********************************************************************
356 * Return a pointer to the WND structure if local to the process,
357 * or WND_OTHER_PROCESS if handle may be valid in other process.
358 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
360 WND *WIN_GetPtr( HWND hwnd )
363 WORD index = USER_HANDLE_TO_INDEX(hwnd);
365 if (index >= NB_USER_HANDLES) return NULL;
368 if ((ptr = user_handles[index]))
370 if (ptr->dwMagic == WND_MAGIC &&
371 (hwnd == ptr->hwndSelf || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff))
375 else if (index == USER_HANDLE_TO_INDEX(GetDesktopWindow()))
377 if (hwnd == GetDesktopWindow() || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff) ptr = WND_DESKTOP;
380 else ptr = WND_OTHER_PROCESS;
386 /***********************************************************************
387 * WIN_IsCurrentProcess
389 * Check whether a given window belongs to the current process (and return the full handle).
391 HWND WIN_IsCurrentProcess( HWND hwnd )
396 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
398 WIN_ReleasePtr( ptr );
403 /***********************************************************************
404 * WIN_IsCurrentThread
406 * Check whether a given window belongs to the current thread (and return the full handle).
408 HWND WIN_IsCurrentThread( HWND hwnd )
413 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
414 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
415 WIN_ReleasePtr( ptr );
420 /***********************************************************************
423 * Convert a 16-bit window handle to a full 32-bit handle.
425 HWND WIN_Handle32( HWND16 hwnd16 )
428 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
430 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
431 /* do sign extension for -2 and -3 */
432 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
434 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
436 if (ptr == WND_DESKTOP) return GetDesktopWindow();
438 if (ptr != WND_OTHER_PROCESS)
440 hwnd = ptr->hwndSelf;
441 WIN_ReleasePtr( ptr );
443 else /* may belong to another process */
445 SERVER_START_REQ( get_window_info )
448 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
456 /***********************************************************************
459 * Change the owner of a window.
461 HWND WIN_SetOwner( HWND hwnd, HWND owner )
463 WND *win = WIN_GetPtr( hwnd );
466 if (!win || win == WND_DESKTOP) return 0;
467 if (win == WND_OTHER_PROCESS)
469 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
472 SERVER_START_REQ( set_window_owner )
476 if (!wine_server_call( req ))
478 win->owner = reply->full_owner;
479 ret = reply->prev_owner;
483 WIN_ReleasePtr( win );
488 /***********************************************************************
491 * Change the style of a window.
493 ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
496 ULONG new_style, old_style = 0;
497 WND *win = WIN_GetPtr( hwnd );
499 if (!win || win == WND_DESKTOP) return 0;
500 if (win == WND_OTHER_PROCESS)
503 ERR( "cannot set style %x/%x on other process window %p\n",
504 set_bits, clear_bits, hwnd );
507 new_style = (win->dwStyle | set_bits) & ~clear_bits;
508 if (new_style == win->dwStyle)
510 WIN_ReleasePtr( win );
513 SERVER_START_REQ( set_window_info )
516 req->flags = SET_WIN_STYLE;
517 req->style = new_style;
518 req->extra_offset = -1;
519 if ((ok = !wine_server_call( req )))
521 old_style = reply->old_style;
522 win->dwStyle = new_style;
526 WIN_ReleasePtr( win );
529 USER_Driver->pSetWindowStyle( hwnd, old_style );
530 if ((old_style ^ new_style) & WS_VISIBLE) invalidate_dce( hwnd, NULL );
536 /***********************************************************************
539 * Get the window and client rectangles.
541 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
543 WND *win = WIN_GetPtr( hwnd );
546 if (!win) return FALSE;
547 if (win == WND_DESKTOP)
550 rect.left = rect.top = 0;
551 rect.right = GetSystemMetrics(SM_CXSCREEN);
552 rect.bottom = GetSystemMetrics(SM_CYSCREEN);
553 if (rectWindow) *rectWindow = rect;
554 if (rectClient) *rectClient = rect;
556 else if (win == WND_OTHER_PROCESS)
558 SERVER_START_REQ( get_window_rectangles )
561 if ((ret = !wine_server_call( req )))
565 rectWindow->left = reply->window.left;
566 rectWindow->top = reply->window.top;
567 rectWindow->right = reply->window.right;
568 rectWindow->bottom = reply->window.bottom;
572 rectClient->left = reply->client.left;
573 rectClient->top = reply->client.top;
574 rectClient->right = reply->client.right;
575 rectClient->bottom = reply->client.bottom;
583 if (rectWindow) *rectWindow = win->rectWindow;
584 if (rectClient) *rectClient = win->rectClient;
585 WIN_ReleasePtr( win );
591 /***********************************************************************
594 * Destroy storage associated to a window. "Internals" p.358
596 LRESULT WIN_DestroyWindow( HWND hwnd )
600 HMENU menu = 0, sys_menu;
603 TRACE("%p\n", hwnd );
605 /* free child windows */
606 if ((list = WIN_ListChildren( hwnd )))
609 for (i = 0; list[i]; i++)
611 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
612 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
614 HeapFree( GetProcessHeap(), 0, list );
617 /* Unlink now so we won't bother with the children later on */
618 SERVER_START_REQ( set_parent )
622 wine_server_call( req );
627 * Send the WM_NCDESTROY to the window being destroyed.
629 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
631 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
633 /* free resources associated with the window */
635 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
636 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
637 menu = (HMENU)wndPtr->wIDmenu;
638 sys_menu = wndPtr->hSysMenu;
639 free_dce( wndPtr->dce, hwnd );
641 icon_title = wndPtr->icon_title;
642 WIN_ReleasePtr( wndPtr );
644 if (icon_title) DestroyWindow( icon_title );
645 if (menu) DestroyMenu( menu );
646 if (sys_menu) DestroyMenu( sys_menu );
648 USER_Driver->pDestroyWindow( hwnd );
650 free_window_handle( hwnd );
654 /***********************************************************************
655 * WIN_DestroyThreadWindows
657 * Destroy all children of 'wnd' owned by the current thread.
659 void WIN_DestroyThreadWindows( HWND hwnd )
664 if (!(list = WIN_ListChildren( hwnd ))) return;
665 for (i = 0; list[i]; i++)
667 if (WIN_IsCurrentThread( list[i] ))
668 DestroyWindow( list[i] );
670 WIN_DestroyThreadWindows( list[i] );
672 HeapFree( GetProcessHeap(), 0, list );
676 /***********************************************************************
679 * Fix the coordinates - Helper for WIN_CreateWindowEx.
680 * returns default show mode in sw.
682 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
684 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == CW_USEDEFAULT16)
687 if (cs->dwExStyle & WS_EX_MDICHILD)
691 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
692 if (!(cs->style & WS_POPUP)) cs->hMenu = ULongToHandle(id);
694 TRACE("MDI child id %04x\n", id);
697 if (cs->style & (WS_CHILD | WS_POPUP))
699 if (cs->dwExStyle & WS_EX_MDICHILD)
701 if (IS_DEFAULT(cs->x))
706 if (IS_DEFAULT(cs->cx) || !cs->cx) cs->cx = pos[1].x;
707 if (IS_DEFAULT(cs->cy) || !cs->cy) cs->cy = pos[1].y;
711 if (IS_DEFAULT(cs->x)) cs->x = cs->y = 0;
712 if (IS_DEFAULT(cs->cx)) cs->cx = cs->cy = 0;
715 else /* overlapped window */
718 MONITORINFO mon_info;
721 if (!IS_DEFAULT(cs->x) && !IS_DEFAULT(cs->cx) && !IS_DEFAULT(cs->cy)) return;
723 monitor = MonitorFromWindow( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY );
724 mon_info.cbSize = sizeof(mon_info);
725 GetMonitorInfoW( monitor, &mon_info );
726 GetStartupInfoW( &info );
728 if (IS_DEFAULT(cs->x))
730 if (!IS_DEFAULT(cs->y)) *sw = cs->y;
731 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : mon_info.rcWork.left;
732 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : mon_info.rcWork.top;
735 if (IS_DEFAULT(cs->cx))
737 if (info.dwFlags & STARTF_USESIZE)
739 cs->cx = info.dwXSize;
740 cs->cy = info.dwYSize;
744 cs->cx = (mon_info.rcWork.right - mon_info.rcWork.left) * 3 / 4 - cs->x;
745 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
748 /* neither x nor cx are default. Check the y values .
749 * In the trace we see Outlook and Outlook Express using
750 * cy set to CW_USEDEFAULT when opening the address book.
752 else if (IS_DEFAULT(cs->cy))
754 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
755 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
761 /***********************************************************************
764 static void dump_window_styles( DWORD style, DWORD exstyle )
767 if(style & WS_POPUP) TRACE(" WS_POPUP");
768 if(style & WS_CHILD) TRACE(" WS_CHILD");
769 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
770 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
771 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
772 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
773 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
774 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
775 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
778 if(style & WS_BORDER) TRACE(" WS_BORDER");
779 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
781 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
782 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
783 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
784 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
785 if (style & WS_CHILD)
787 if(style & WS_GROUP) TRACE(" WS_GROUP");
788 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
792 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
793 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
796 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
797 #define DUMPED_STYLES \
817 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
822 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
823 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
824 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
825 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
826 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
827 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
828 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
829 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
830 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
831 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
832 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
833 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
834 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
835 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
836 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
837 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
838 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
839 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
841 #define DUMPED_EX_STYLES \
842 (WS_EX_DLGMODALFRAME | \
844 WS_EX_NOPARENTNOTIFY | \
846 WS_EX_ACCEPTFILES | \
847 WS_EX_TRANSPARENT | \
852 WS_EX_CONTEXTHELP | \
855 WS_EX_LEFTSCROLLBAR | \
856 WS_EX_CONTROLPARENT | \
861 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
863 #undef DUMPED_EX_STYLES
867 /***********************************************************************
870 * Implementation of CreateWindowEx().
872 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, LPCWSTR className, UINT flags )
874 INT cx, cy, style, sw = SW_SHOW;
878 HWND hwnd, parent, owner, top_child = 0;
879 BOOL unicode = (flags & WIN_ISUNICODE) != 0;
880 MDICREATESTRUCTA mdi_cs;
884 TRACE("%s %s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
885 unicode ? debugstr_w((LPCWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
886 debugstr_w(className),
887 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
888 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
889 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
891 /* Fix the styles for MDI children */
892 if (cs->dwExStyle & WS_EX_MDICHILD)
896 wndPtr = WIN_GetPtr(cs->hwndParent);
897 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
899 flags = wndPtr->flags;
900 WIN_ReleasePtr(wndPtr);
903 if (!(flags & WIN_ISMDICLIENT))
905 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
909 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
910 * MDICREATESTRUCT members have the originally passed values.
912 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
913 * have the same layout.
915 mdi_cs.szClass = cs->lpszClass;
916 mdi_cs.szTitle = cs->lpszName;
917 mdi_cs.hOwner = cs->hInstance;
922 mdi_cs.style = cs->style;
923 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
925 cs->lpCreateParams = (LPVOID)&mdi_cs;
927 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
929 if (cs->style & WS_POPUP)
931 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
934 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
938 cs->style &= ~WS_POPUP;
939 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
940 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
943 top_child = GetWindow(cs->hwndParent, GW_CHILD);
947 /* Restore current maximized child */
948 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
950 TRACE("Restoring current maximized child %p\n", top_child);
951 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
952 ShowWindow( top_child, SW_SHOWNORMAL );
953 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
958 /* Find the parent window */
960 parent = cs->hwndParent;
963 if (cs->hwndParent == HWND_MESSAGE)
965 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
966 * message window (style: WS_POPUP|WS_DISABLED)
968 FIXME("Parent is HWND_MESSAGE\n");
969 parent = GetDesktopWindow();
971 else if (cs->hwndParent)
973 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
975 parent = GetDesktopWindow();
976 owner = cs->hwndParent;
981 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
983 WARN("No parent for child window\n" );
984 SetLastError(ERROR_TLW_WITH_WSCHILD);
985 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
987 if (className != (LPCWSTR)DESKTOP_CLASS_ATOM) /* are we creating the desktop itself? */
988 parent = GetDesktopWindow();
991 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
993 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
994 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
995 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
996 cs->dwExStyle |= WS_EX_WINDOWEDGE;
998 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1000 /* Create the window structure */
1002 if (!(wndPtr = create_window_handle( parent, owner, className, cs->hInstance, unicode )))
1004 hwnd = wndPtr->hwndSelf;
1006 /* Fill the window structure */
1008 wndPtr->tid = GetCurrentThreadId();
1009 wndPtr->hInstance = cs->hInstance;
1010 wndPtr->text = NULL;
1011 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1012 wndPtr->dwExStyle = cs->dwExStyle;
1013 wndPtr->wIDmenu = 0;
1014 wndPtr->helpContext = 0;
1015 wndPtr->pVScroll = NULL;
1016 wndPtr->pHScroll = NULL;
1017 wndPtr->userdata = 0;
1019 wndPtr->hIconSmall = 0;
1020 wndPtr->hSysMenu = 0;
1021 wndPtr->flags |= (flags & WIN_ISWIN32);
1023 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1026 * Correct the window styles.
1028 * It affects only the style loaded into the WIN structure.
1031 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1033 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1034 if (!(wndPtr->dwStyle & WS_POPUP))
1035 wndPtr->dwStyle |= WS_CAPTION;
1039 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1040 * why does the user get to set it?
1043 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1044 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1045 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1047 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1049 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1050 wndPtr->flags |= WIN_NEED_SIZE;
1052 SERVER_START_REQ( set_window_info )
1055 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
1056 req->style = wndPtr->dwStyle;
1057 req->ex_style = wndPtr->dwExStyle;
1058 req->instance = (void *)wndPtr->hInstance;
1059 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1060 req->extra_offset = -1;
1061 wine_server_call( req );
1065 /* Set the window menu */
1067 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1071 if (!MENU_SetMenu(hwnd, cs->hMenu))
1073 WIN_ReleasePtr( wndPtr );
1074 free_window_handle( hwnd );
1080 LPCSTR menuName = (LPCSTR)GetClassLongPtrA( hwnd, GCLP_MENUNAME );
1083 if (!cs->hInstance || HIWORD(cs->hInstance))
1084 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1086 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1088 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1092 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1094 /* call the WH_CBT hook */
1096 /* the window style passed to the hook must be the real window style,
1097 * rather than just the window style that the caller to CreateWindowEx
1098 * passed in, so we have to copy the original CREATESTRUCT and get the
1099 * the real style. */
1101 cbcs.style = wndPtr->dwStyle;
1103 cbtc.hwndInsertAfter = HWND_TOP;
1104 WIN_ReleasePtr( wndPtr );
1105 if (HOOK_CallHooks( WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)&cbtc, unicode )) goto failed;
1107 /* send the WM_GETMINMAXINFO message and fix the size if needed */
1111 if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD)))
1113 POINT maxSize, maxPos, minTrack, maxTrack;
1114 WINPOS_GetMinMaxInfo( hwnd, &maxSize, &maxPos, &minTrack, &maxTrack);
1115 if (maxTrack.x < cx) cx = maxTrack.x;
1116 if (maxTrack.y < cy) cy = maxTrack.y;
1121 SetRect( &rect, cs->x, cs->y, cs->x + cx, cs->y + cy );
1122 /* check for wraparound */
1123 if (cs->x + cx < cs->x) rect.right = 0x7fffffff;
1124 if (cs->y + cy < cs->y) rect.bottom = 0x7fffffff;
1125 if (!set_window_pos( hwnd, 0, SWP_NOZORDER | SWP_NOACTIVATE, &rect, &rect, NULL )) goto failed;
1127 /* send WM_NCCREATE */
1129 TRACE( "hwnd %p cs %d,%d %dx%d\n", hwnd, cs->x, cs->y, cx, cy );
1131 result = SendMessageW( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1133 result = SendMessageA( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1136 WARN( "%p: aborted by WM_NCCREATE\n", hwnd );
1140 /* send WM_NCCALCSIZE */
1142 if ((wndPtr = WIN_GetPtr(hwnd)))
1144 /* yes, even if the CBT hook was called with HWND_TOP */
1146 HWND insert_after = (wndPtr->dwStyle & WS_CHILD) ? HWND_BOTTOM : HWND_TOP;
1147 RECT window_rect = wndPtr->rectWindow;
1148 RECT client_rect = window_rect;
1149 WIN_ReleasePtr( wndPtr );
1151 /* the rectangle is in screen coords for WM_NCCALCSIZE when wparam is FALSE */
1153 MapWindowPoints( parent, 0, &pt, 1 );
1154 OffsetRect( &client_rect, pt.x, pt.y );
1155 SendMessageW( hwnd, WM_NCCALCSIZE, FALSE, (LPARAM)&client_rect );
1156 OffsetRect( &client_rect, -pt.x, -pt.y );
1157 set_window_pos( hwnd, insert_after, SWP_NOACTIVATE, &window_rect, &client_rect, NULL );
1161 /* send WM_CREATE */
1164 result = SendMessageW( hwnd, WM_CREATE, 0, (LPARAM)cs );
1166 result = SendMessageA( hwnd, WM_CREATE, 0, (LPARAM)cs );
1167 if (result == -1) goto failed;
1169 /* call the driver */
1171 if (!USER_Driver->pCreateWindow( hwnd )) goto failed;
1173 NotifyWinEvent(EVENT_OBJECT_CREATE, hwnd, OBJID_WINDOW, 0);
1175 /* send the size messages */
1177 if (!(wndPtr = WIN_GetPtr(hwnd))) return 0;
1178 if (!(wndPtr->flags & WIN_NEED_SIZE))
1180 rect = wndPtr->rectClient;
1181 WIN_ReleasePtr( wndPtr );
1182 SendMessageW( hwnd, WM_SIZE, SIZE_RESTORED,
1183 MAKELONG(rect.right-rect.left, rect.bottom-rect.top));
1184 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( rect.left, rect.top ) );
1186 else WIN_ReleasePtr( wndPtr );
1188 /* Show the window, maximizing or minimizing if needed */
1190 style = WIN_SetStyle( hwnd, 0, WS_MAXIMIZE | WS_MINIMIZE );
1191 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1194 UINT swFlag = (style & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE;
1196 swFlag = WINPOS_MinMaximize( hwnd, swFlag, &newPos );
1197 swFlag |= SWP_FRAMECHANGED; /* Frame always gets changed */
1198 if (!(style & WS_VISIBLE) || (style & WS_CHILD) || GetActiveWindow()) swFlag |= SWP_NOACTIVATE;
1199 SetWindowPos( hwnd, 0, newPos.left, newPos.top, newPos.right, newPos.bottom, swFlag );
1202 /* Notify the parent window only */
1204 send_parent_notify( hwnd, WM_CREATE );
1205 if (!IsWindow( hwnd )) return 0;
1207 if (cs->style & WS_VISIBLE)
1209 if (cs->style & WS_MAXIMIZE)
1211 else if (cs->style & WS_MINIMIZE)
1212 sw = SW_SHOWMINIMIZED;
1214 ShowWindow( hwnd, sw );
1215 if (cs->dwExStyle & WS_EX_MDICHILD)
1217 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1218 /* ShowWindow won't activate child windows */
1219 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1223 /* Call WH_SHELL hook */
1225 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1226 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1228 TRACE("created window %p\n", hwnd);
1232 WIN_DestroyWindow( hwnd );
1237 /***********************************************************************
1238 * CreateWindow (USER.41)
1240 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1241 DWORD style, INT16 x, INT16 y, INT16 width,
1242 INT16 height, HWND16 parent, HMENU16 menu,
1243 HINSTANCE16 instance, LPVOID data )
1245 return CreateWindowEx16( 0, className, windowName, style,
1246 x, y, width, height, parent, menu, instance, data );
1250 /***********************************************************************
1251 * CreateWindowEx (USER.452)
1253 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1254 LPCSTR windowName, DWORD style, INT16 x,
1255 INT16 y, INT16 width, INT16 height,
1256 HWND16 parent, HMENU16 menu,
1257 HINSTANCE16 instance, LPVOID data )
1262 /* Fix the coordinates */
1264 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1265 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1266 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1267 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1269 /* Create the window */
1271 cs.lpCreateParams = data;
1272 cs.hInstance = HINSTANCE_32(instance);
1273 cs.hMenu = HMENU_32(menu);
1274 cs.hwndParent = WIN_Handle32( parent );
1276 cs.lpszName = windowName;
1277 cs.lpszClass = className;
1278 cs.dwExStyle = exStyle;
1280 if (!IS_INTRESOURCE(className))
1284 if (!MultiByteToWideChar( CP_ACP, 0, className, -1, bufferW, sizeof(bufferW)/sizeof(WCHAR) ))
1286 return HWND_16( WIN_CreateWindowEx( &cs, bufferW, 0 ));
1290 if (!GlobalGetAtomNameA( LOWORD(className), buffer, sizeof(buffer) ))
1292 ERR( "bad atom %x\n", LOWORD(className));
1295 cs.lpszClass = buffer;
1296 return HWND_16( WIN_CreateWindowEx( &cs, (LPCWSTR)className, 0 ));
1301 /***********************************************************************
1302 * CreateWindowExA (USER32.@)
1304 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1305 LPCSTR windowName, DWORD style, INT x,
1306 INT y, INT width, INT height,
1307 HWND parent, HMENU menu,
1308 HINSTANCE instance, LPVOID data )
1312 cs.lpCreateParams = data;
1313 cs.hInstance = instance;
1315 cs.hwndParent = parent;
1321 cs.lpszName = windowName;
1322 cs.lpszClass = className;
1323 cs.dwExStyle = exStyle;
1325 if (!IS_INTRESOURCE(className))
1328 if (!MultiByteToWideChar( CP_ACP, 0, className, -1, bufferW, sizeof(bufferW)/sizeof(WCHAR) ))
1330 return WIN_CreateWindowEx( &cs, bufferW, WIN_ISWIN32 );
1332 return WIN_CreateWindowEx( &cs, (LPCWSTR)className, WIN_ISWIN32 );
1336 /***********************************************************************
1337 * CreateWindowExW (USER32.@)
1339 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1340 LPCWSTR windowName, DWORD style, INT x,
1341 INT y, INT width, INT height,
1342 HWND parent, HMENU menu,
1343 HINSTANCE instance, LPVOID data )
1347 cs.lpCreateParams = data;
1348 cs.hInstance = instance;
1350 cs.hwndParent = parent;
1356 cs.lpszName = windowName;
1357 cs.lpszClass = className;
1358 cs.dwExStyle = exStyle;
1360 /* Note: we rely on the fact that CREATESTRUCTA and */
1361 /* CREATESTRUCTW have the same layout. */
1362 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, className, WIN_ISWIN32 | WIN_ISUNICODE );
1366 /***********************************************************************
1367 * WIN_SendDestroyMsg
1369 static void WIN_SendDestroyMsg( HWND hwnd )
1373 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1375 if (hwnd == info.hwndCaret) DestroyCaret();
1376 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1380 * Send the WM_DESTROY to the window.
1382 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1385 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1386 * make sure that the window still exists when we come back.
1393 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1395 for (i = 0; pWndArray[i]; i++)
1397 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1399 HeapFree( GetProcessHeap(), 0, pWndArray );
1402 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1406 /***********************************************************************
1407 * DestroyWindow (USER32.@)
1409 BOOL WINAPI DestroyWindow( HWND hwnd )
1413 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1415 SetLastError( ERROR_ACCESS_DENIED );
1419 TRACE("(%p)\n", hwnd);
1423 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1425 if (MENU_IsMenuActive() == hwnd)
1428 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1432 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1433 send_parent_notify( hwnd, WM_DESTROY );
1435 else if (!GetWindow( hwnd, GW_OWNER ))
1437 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1438 /* FIXME: clean up palette - see "Internals" p.352 */
1441 if (!IsWindow(hwnd)) return TRUE;
1443 /* Hide the window */
1444 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1446 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1448 ShowWindow( hwnd, SW_HIDE );
1450 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1451 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1454 if (!IsWindow(hwnd)) return TRUE;
1456 /* Recursively destroy owned windows */
1463 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1466 for (i = 0; list[i]; i++)
1468 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1469 if (WIN_IsCurrentThread( list[i] ))
1471 DestroyWindow( list[i] );
1475 WIN_SetOwner( list[i], 0 );
1477 HeapFree( GetProcessHeap(), 0, list );
1479 if (!got_one) break;
1483 /* Send destroy messages */
1485 WIN_SendDestroyMsg( hwnd );
1486 if (!IsWindow( hwnd )) return TRUE;
1488 if (GetClipboardOwner() == hwnd)
1489 CLIPBOARD_ReleaseOwner();
1491 /* Destroy the window storage */
1493 WIN_DestroyWindow( hwnd );
1498 /***********************************************************************
1499 * CloseWindow (USER32.@)
1501 BOOL WINAPI CloseWindow( HWND hwnd )
1503 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1504 ShowWindow( hwnd, SW_MINIMIZE );
1509 /***********************************************************************
1510 * OpenIcon (USER32.@)
1512 BOOL WINAPI OpenIcon( HWND hwnd )
1514 if (!IsIconic( hwnd )) return FALSE;
1515 ShowWindow( hwnd, SW_SHOWNORMAL );
1520 /***********************************************************************
1521 * FindWindowExW (USER32.@)
1523 HWND WINAPI FindWindowExW( HWND parent, HWND child, LPCWSTR className, LPCWSTR title )
1528 WCHAR *buffer = NULL;
1530 if (!parent) parent = GetDesktopWindow();
1533 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1534 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1537 if (!(list = list_window_children( 0, parent, className, 0 ))) goto done;
1541 child = WIN_GetFullHandle( child );
1542 while (list[i] && list[i] != child) i++;
1543 if (!list[i]) goto done;
1544 i++; /* start from next window */
1551 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1558 HeapFree( GetProcessHeap(), 0, list );
1559 HeapFree( GetProcessHeap(), 0, buffer );
1565 /***********************************************************************
1566 * FindWindowA (USER32.@)
1568 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1570 HWND ret = FindWindowExA( 0, 0, className, title );
1571 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1576 /***********************************************************************
1577 * FindWindowExA (USER32.@)
1579 HWND WINAPI FindWindowExA( HWND parent, HWND child, LPCSTR className, LPCSTR title )
1581 LPWSTR titleW = NULL;
1586 DWORD len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1587 if (!(titleW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1588 MultiByteToWideChar( CP_ACP, 0, title, -1, titleW, len );
1591 if (!IS_INTRESOURCE(className))
1594 if (MultiByteToWideChar( CP_ACP, 0, className, -1, classW, sizeof(classW)/sizeof(WCHAR) ))
1595 hwnd = FindWindowExW( parent, child, classW, titleW );
1599 hwnd = FindWindowExW( parent, child, (LPCWSTR)className, titleW );
1602 HeapFree( GetProcessHeap(), 0, titleW );
1607 /***********************************************************************
1608 * FindWindowW (USER32.@)
1610 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1612 return FindWindowExW( 0, 0, className, title );
1616 /**********************************************************************
1617 * GetDesktopWindow (USER32.@)
1619 HWND WINAPI GetDesktopWindow(void)
1621 struct user_thread_info *thread_info = get_user_thread_info();
1623 if (thread_info->desktop) return thread_info->desktop;
1625 SERVER_START_REQ( get_desktop_window )
1628 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1632 if (!thread_info->desktop)
1634 USEROBJECTFLAGS flags;
1635 if (!GetUserObjectInformationW( GetProcessWindowStation(), UOI_FLAGS, &flags,
1636 sizeof(flags), NULL ) || (flags.dwFlags & WSF_VISIBLE))
1638 static const WCHAR command_line[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',' ','/','d','e','s','k','t','o','p',0};
1640 PROCESS_INFORMATION pi;
1641 WCHAR cmdline[MAX_PATH + sizeof(command_line)/sizeof(WCHAR)];
1643 memset( &si, 0, sizeof(si) );
1645 si.dwFlags = STARTF_USESTDHANDLES;
1648 si.hStdError = GetStdHandle( STD_ERROR_HANDLE );
1650 GetSystemDirectoryW( cmdline, MAX_PATH );
1651 lstrcatW( cmdline, command_line );
1652 if (CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS,
1653 NULL, NULL, &si, &pi ))
1655 TRACE( "started explorer pid %04x tid %04x\n", pi.dwProcessId, pi.dwThreadId );
1656 WaitForInputIdle( pi.hProcess, 10000 );
1657 CloseHandle( pi.hThread );
1658 CloseHandle( pi.hProcess );
1660 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1662 else TRACE( "not starting explorer since winstation is not visible\n" );
1664 SERVER_START_REQ( get_desktop_window )
1667 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1672 if (!thread_info->desktop || !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
1673 ERR( "failed to create desktop window\n" );
1675 return thread_info->desktop;
1679 /*******************************************************************
1680 * EnableWindow (USER32.@)
1682 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1687 if (is_broadcast(hwnd))
1689 SetLastError( ERROR_INVALID_PARAMETER );
1693 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1694 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1698 TRACE("( %p, %d )\n", hwnd, enable);
1700 retvalue = !IsWindowEnabled( hwnd );
1702 if (enable && retvalue)
1704 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1705 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1707 else if (!enable && !retvalue)
1711 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1713 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1715 if (hwnd == GetFocus())
1716 SetFocus( 0 ); /* A disabled window can't have the focus */
1718 capture_wnd = GetCapture();
1719 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1720 ReleaseCapture(); /* A disabled window can't capture the mouse */
1722 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1728 /***********************************************************************
1729 * IsWindowEnabled (USER32.@)
1731 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1733 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1737 /***********************************************************************
1738 * IsWindowUnicode (USER32.@)
1740 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1743 BOOL retvalue = FALSE;
1745 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1747 if (wndPtr == WND_DESKTOP) return TRUE;
1749 if (wndPtr != WND_OTHER_PROCESS)
1751 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
1752 WIN_ReleasePtr( wndPtr );
1756 SERVER_START_REQ( get_window_info )
1759 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
1767 /**********************************************************************
1770 * Helper function for GetWindowLong().
1772 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
1774 LONG_PTR retvalue = 0;
1777 if (offset == GWLP_HWNDPARENT)
1779 HWND parent = GetAncestor( hwnd, GA_PARENT );
1780 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1781 return (ULONG_PTR)parent;
1784 if (!(wndPtr = WIN_GetPtr( hwnd )))
1786 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1790 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1792 if (offset == GWLP_WNDPROC)
1794 SetLastError( ERROR_ACCESS_DENIED );
1797 SERVER_START_REQ( set_window_info )
1800 req->flags = 0; /* don't set anything, just retrieve */
1801 req->extra_offset = (offset >= 0) ? offset : -1;
1802 req->extra_size = (offset >= 0) ? size : 0;
1803 if (!wine_server_call_err( req ))
1807 case GWL_STYLE: retvalue = reply->old_style; break;
1808 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1809 case GWLP_ID: retvalue = reply->old_id; break;
1810 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1811 case GWLP_USERDATA: retvalue = reply->old_user_data; break;
1813 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
1814 else SetLastError( ERROR_INVALID_INDEX );
1823 /* now we have a valid wndPtr */
1827 if (offset > (int)(wndPtr->cbWndExtra - size))
1829 WARN("Invalid offset %d\n", offset );
1830 WIN_ReleasePtr( wndPtr );
1831 SetLastError( ERROR_INVALID_INDEX );
1834 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
1836 /* Special case for dialog window procedure */
1837 if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1838 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, unicode );
1839 WIN_ReleasePtr( wndPtr );
1845 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
1846 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
1847 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
1848 case GWLP_ID: retvalue = wndPtr->wIDmenu; break;
1849 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
1851 /* This looks like a hack only for the edit control (see tests). This makes these controls
1852 * more tolerant to A/W mismatches. The lack of W->A->W conversion for such a mismatch suggests
1853 * that the hack is in GetWindowLongPtr[AW], not in winprocs.
1855 if (wndPtr->winproc == EDIT_winproc_handle && (!unicode != !(wndPtr->flags & WIN_ISUNICODE)))
1856 retvalue = (ULONG_PTR)wndPtr->winproc;
1858 retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
1861 WARN("Unknown offset %d\n", offset );
1862 SetLastError( ERROR_INVALID_INDEX );
1865 WIN_ReleasePtr(wndPtr);
1870 /**********************************************************************
1873 * Helper function for SetWindowLong().
1875 * 0 is the failure code. However, in the case of failure SetLastError
1876 * must be set to distinguish between a 0 return value and a failure.
1878 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
1882 LONG_PTR retval = 0;
1885 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
1887 if (is_broadcast(hwnd))
1889 SetLastError( ERROR_INVALID_PARAMETER );
1893 if (!(wndPtr = WIN_GetPtr( hwnd )))
1895 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1898 if (wndPtr == WND_DESKTOP)
1900 /* can't change anything on the desktop window */
1901 SetLastError( ERROR_ACCESS_DENIED );
1904 if (wndPtr == WND_OTHER_PROCESS)
1906 if (offset == GWLP_WNDPROC)
1908 SetLastError( ERROR_ACCESS_DENIED );
1911 if (offset > 32767 || offset < -32767)
1913 SetLastError( ERROR_INVALID_INDEX );
1916 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
1919 /* first some special cases */
1925 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
1926 style.styleNew = newval;
1927 WIN_ReleasePtr( wndPtr );
1928 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
1929 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1930 newval = style.styleNew;
1932 case GWLP_HWNDPARENT:
1933 if (wndPtr->parent == GetDesktopWindow())
1935 WIN_ReleasePtr( wndPtr );
1936 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
1940 WIN_ReleasePtr( wndPtr );
1941 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
1946 UINT old_flags = wndPtr->flags;
1947 retval = WIN_GetWindowLong( hwnd, offset, size, unicode );
1948 if (unicode) proc = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1949 else proc = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1950 if (proc) wndPtr->winproc = proc;
1951 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
1952 else wndPtr->flags &= ~WIN_ISUNICODE;
1953 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
1955 WIN_ReleasePtr( wndPtr );
1958 /* update is_unicode flag on the server side */
1962 case GWLP_HINSTANCE:
1966 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
1967 (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1969 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
1970 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
1971 if (unicode) *ptr = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1972 else *ptr = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1973 WIN_ReleasePtr( wndPtr );
1978 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
1980 WARN("Invalid offset %d\n", offset );
1981 WIN_ReleasePtr( wndPtr );
1982 SetLastError( ERROR_INVALID_INDEX );
1985 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
1987 /* already set to the same value */
1988 WIN_ReleasePtr( wndPtr );
1994 SERVER_START_REQ( set_window_info )
1997 req->extra_offset = -1;
2001 req->flags = SET_WIN_STYLE;
2002 req->style = newval;
2005 req->flags = SET_WIN_EXSTYLE;
2006 /* WS_EX_TOPMOST can only be changed through SetWindowPos */
2007 newval = (newval & ~WS_EX_TOPMOST) | (wndPtr->dwExStyle & WS_EX_TOPMOST);
2008 req->ex_style = newval;
2011 req->flags = SET_WIN_ID;
2014 case GWLP_HINSTANCE:
2015 req->flags = SET_WIN_INSTANCE;
2016 req->instance = (void *)newval;
2019 req->flags = SET_WIN_UNICODE;
2020 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
2023 req->flags = SET_WIN_USERDATA;
2024 req->user_data = newval;
2027 req->flags = SET_WIN_EXTRA;
2028 req->extra_offset = offset;
2029 req->extra_size = size;
2030 set_win_data( &req->extra_value, newval, size );
2032 if ((ok = !wine_server_call_err( req )))
2037 wndPtr->dwStyle = newval;
2038 retval = reply->old_style;
2041 wndPtr->dwExStyle = newval;
2042 retval = reply->old_ex_style;
2045 wndPtr->wIDmenu = newval;
2046 retval = reply->old_id;
2048 case GWLP_HINSTANCE:
2049 wndPtr->hInstance = (HINSTANCE)newval;
2050 retval = (ULONG_PTR)reply->old_instance;
2055 wndPtr->userdata = newval;
2056 retval = reply->old_user_data;
2059 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2060 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2066 WIN_ReleasePtr( wndPtr );
2070 if (offset == GWL_STYLE) USER_Driver->pSetWindowStyle( hwnd, retval );
2072 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2073 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2079 /**********************************************************************
2080 * GetWindowLong (USER.135)
2082 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2086 BOOL is_winproc = (offset == GWLP_WNDPROC);
2090 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2092 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2095 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2097 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2100 * Some programs try to access last element from 16 bit
2101 * code using illegal offset value. Hopefully this is
2102 * what those programs really expect.
2104 if (wndPtr->cbWndExtra >= 4 && offset == wndPtr->cbWndExtra - sizeof(WORD))
2106 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
2107 ERR( "- replaced invalid offset %d with %d\n", offset, offset2 );
2112 WARN("Invalid offset %d\n", offset );
2113 WIN_ReleasePtr( wndPtr );
2114 SetLastError( ERROR_INVALID_INDEX );
2118 is_winproc = ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG));
2119 WIN_ReleasePtr( wndPtr );
2122 retvalue = GetWindowLongA( WIN_Handle32(hwnd), offset );
2123 if (is_winproc) retvalue = (LONG_PTR)WINPROC_GetProc16( (WNDPROC)retvalue, FALSE );
2128 /**********************************************************************
2129 * GetWindowWord (USER32.@)
2131 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2136 case GWLP_HINSTANCE:
2137 case GWLP_HWNDPARENT:
2142 WARN("Invalid offset %d\n", offset );
2143 SetLastError( ERROR_INVALID_INDEX );
2148 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2152 /**********************************************************************
2153 * GetWindowLongA (USER32.@)
2155 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2157 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2161 /**********************************************************************
2162 * GetWindowLongW (USER32.@)
2164 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2166 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2170 /**********************************************************************
2171 * SetWindowLong (USER.136)
2173 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2176 BOOL is_winproc = (offset == GWLP_WNDPROC);
2178 if (offset == DWLP_DLGPROC)
2180 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2182 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2185 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2187 is_winproc = ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2188 (wndPtr->flags & WIN_ISDIALOG));
2189 WIN_ReleasePtr( wndPtr );
2195 WNDPROC new_proc = WINPROC_AllocProc16( (WNDPROC16)newval );
2196 WNDPROC old_proc = (WNDPROC)SetWindowLongPtrA( WIN_Handle32(hwnd), offset, (LONG_PTR)new_proc );
2197 return (LONG)WINPROC_GetProc16( old_proc, FALSE );
2199 else return SetWindowLongA( WIN_Handle32(hwnd), offset, newval );
2203 /**********************************************************************
2204 * SetWindowWord (USER32.@)
2206 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2211 case GWLP_HINSTANCE:
2212 case GWLP_HWNDPARENT:
2217 WARN("Invalid offset %d\n", offset );
2218 SetLastError( ERROR_INVALID_INDEX );
2223 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2227 /**********************************************************************
2228 * SetWindowLongA (USER32.@)
2230 * See SetWindowLongW.
2232 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2234 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2238 /**********************************************************************
2239 * SetWindowLongW (USER32.@) Set window attribute
2241 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2242 * value in a window's extra memory.
2244 * The _hwnd_ parameter specifies the window. is the handle to a
2245 * window that has extra memory. The _newval_ parameter contains the
2246 * new attribute or extra memory value. If positive, the _offset_
2247 * parameter is the byte-addressed location in the window's extra
2248 * memory to set. If negative, _offset_ specifies the window
2249 * attribute to set, and should be one of the following values:
2251 * GWL_EXSTYLE The window's extended window style
2253 * GWL_STYLE The window's window style.
2255 * GWLP_WNDPROC Pointer to the window's window procedure.
2257 * GWLP_HINSTANCE The window's pplication instance handle.
2259 * GWLP_ID The window's identifier.
2261 * GWLP_USERDATA The window's user-specified data.
2263 * If the window is a dialog box, the _offset_ parameter can be one of
2264 * the following values:
2266 * DWLP_DLGPROC The address of the window's dialog box procedure.
2268 * DWLP_MSGRESULT The return value of a message
2269 * that the dialog box procedure processed.
2271 * DWLP_USER Application specific information.
2275 * If successful, returns the previous value located at _offset_. Otherwise,
2280 * Extra memory for a window class is specified by a nonzero cbWndExtra
2281 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2282 * time of class creation.
2284 * Using GWL_WNDPROC to set a new window procedure effectively creates
2285 * a window subclass. Use CallWindowProc() in the new windows procedure
2286 * to pass messages to the superclass's window procedure.
2288 * The user data is reserved for use by the application which created
2291 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2292 * instead, call the EnableWindow() function to change the window's
2295 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2296 * SetParent() instead.
2299 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2300 * it sends WM_STYLECHANGING before changing the settings
2301 * and WM_STYLECHANGED afterwards.
2302 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2304 LONG WINAPI SetWindowLongW(
2305 HWND hwnd, /* [in] window to alter */
2306 INT offset, /* [in] offset, in bytes, of location to alter */
2307 LONG newval /* [in] new value of location */
2309 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2313 /*******************************************************************
2314 * GetWindowTextA (USER32.@)
2316 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2320 if (!lpString) return 0;
2322 if (WIN_IsCurrentProcess( hwnd ))
2323 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2325 /* when window belongs to other process, don't send a message */
2326 if (nMaxCount <= 0) return 0;
2327 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2328 get_server_window_text( hwnd, buffer, nMaxCount );
2329 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2330 lpString[nMaxCount-1] = 0;
2331 HeapFree( GetProcessHeap(), 0, buffer );
2332 return strlen(lpString);
2336 /*******************************************************************
2337 * InternalGetWindowText (USER32.@)
2339 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2343 if (nMaxCount <= 0) return 0;
2344 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2345 if (win == WND_DESKTOP) lpString[0] = 0;
2346 else if (win != WND_OTHER_PROCESS)
2348 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2349 else lpString[0] = 0;
2350 WIN_ReleasePtr( win );
2354 get_server_window_text( hwnd, lpString, nMaxCount );
2356 return strlenW(lpString);
2360 /*******************************************************************
2361 * GetWindowTextW (USER32.@)
2363 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2365 if (!lpString) return 0;
2367 if (WIN_IsCurrentProcess( hwnd ))
2368 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2370 /* when window belongs to other process, don't send a message */
2371 if (nMaxCount <= 0) return 0;
2372 get_server_window_text( hwnd, lpString, nMaxCount );
2373 return strlenW(lpString);
2377 /*******************************************************************
2378 * SetWindowTextA (USER32.@)
2379 * SetWindowText (USER32.@)
2381 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2383 if (is_broadcast(hwnd))
2385 SetLastError( ERROR_INVALID_PARAMETER );
2388 if (!WIN_IsCurrentProcess( hwnd ))
2389 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2390 debugstr_a(lpString), hwnd );
2391 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2395 /*******************************************************************
2396 * SetWindowTextW (USER32.@)
2398 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2400 if (is_broadcast(hwnd))
2402 SetLastError( ERROR_INVALID_PARAMETER );
2405 if (!WIN_IsCurrentProcess( hwnd ))
2406 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2407 debugstr_w(lpString), hwnd );
2408 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2412 /*******************************************************************
2413 * GetWindowTextLengthA (USER32.@)
2415 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2417 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2420 /*******************************************************************
2421 * GetWindowTextLengthW (USER32.@)
2423 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2425 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2429 /*******************************************************************
2430 * IsWindow (USER32.@)
2432 BOOL WINAPI IsWindow( HWND hwnd )
2437 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2438 if (ptr == WND_DESKTOP) return TRUE;
2440 if (ptr != WND_OTHER_PROCESS)
2442 WIN_ReleasePtr( ptr );
2446 /* check other processes */
2447 SERVER_START_REQ( get_window_info )
2450 ret = !wine_server_call_err( req );
2457 /***********************************************************************
2458 * GetWindowThreadProcessId (USER32.@)
2460 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2465 if (!(ptr = WIN_GetPtr( hwnd )))
2467 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2471 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2473 /* got a valid window */
2475 if (process) *process = GetCurrentProcessId();
2476 WIN_ReleasePtr( ptr );
2480 /* check other processes */
2481 SERVER_START_REQ( get_window_info )
2484 if (!wine_server_call_err( req ))
2486 tid = (DWORD)reply->tid;
2487 if (process) *process = (DWORD)reply->pid;
2495 /*****************************************************************
2496 * GetParent (USER32.@)
2498 HWND WINAPI GetParent( HWND hwnd )
2503 if (!(wndPtr = WIN_GetPtr( hwnd )))
2505 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2508 if (wndPtr == WND_DESKTOP) return 0;
2509 if (wndPtr == WND_OTHER_PROCESS)
2511 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2512 if (style & (WS_POPUP | WS_CHILD))
2514 SERVER_START_REQ( get_window_tree )
2517 if (!wine_server_call_err( req ))
2519 if (style & WS_POPUP) retvalue = reply->owner;
2520 else if (style & WS_CHILD) retvalue = reply->parent;
2528 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2529 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2530 WIN_ReleasePtr( wndPtr );
2536 /*****************************************************************
2537 * GetAncestor (USER32.@)
2539 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2542 HWND *list, ret = 0;
2547 if (!(win = WIN_GetPtr( hwnd )))
2549 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2552 if (win == WND_DESKTOP) return 0;
2553 if (win != WND_OTHER_PROCESS)
2556 WIN_ReleasePtr( win );
2558 else /* need to query the server */
2560 SERVER_START_REQ( get_window_tree )
2563 if (!wine_server_call_err( req )) ret = reply->parent;
2570 if (!(list = list_window_parents( hwnd ))) return 0;
2572 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2576 while (list[count]) count++;
2577 ret = list[count - 2]; /* get the one before the desktop */
2579 HeapFree( GetProcessHeap(), 0, list );
2583 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2586 HWND parent = GetParent( ret );
2596 /*****************************************************************
2597 * SetParent (USER32.@)
2599 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2602 HWND old_parent = 0;
2607 if (is_broadcast(hwnd) || is_broadcast(parent))
2609 SetLastError(ERROR_INVALID_PARAMETER);
2613 if (!parent) parent = GetDesktopWindow();
2614 else parent = WIN_GetFullHandle( parent );
2616 if (!IsWindow( parent ))
2618 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2622 /* Some applications try to set a child as a parent */
2623 if (IsChild(hwnd, parent))
2625 SetLastError( ERROR_INVALID_PARAMETER );
2629 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2630 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2632 /* Windows hides the window first, then shows it again
2633 * including the WM_SHOWWINDOW messages and all */
2634 was_visible = ShowWindow( hwnd, SW_HIDE );
2636 wndPtr = WIN_GetPtr( hwnd );
2637 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2639 SERVER_START_REQ( set_parent )
2642 req->parent = parent;
2643 if ((ret = !wine_server_call( req )))
2645 old_parent = reply->old_parent;
2646 wndPtr->parent = parent = reply->full_parent;
2651 WIN_ReleasePtr( wndPtr );
2654 USER_Driver->pSetParent( full_handle, parent, old_parent );
2656 /* SetParent additionally needs to make hwnd the topmost window
2657 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2658 WM_WINDOWPOSCHANGED notification messages.
2660 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0,
2661 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2662 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2663 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2669 /*******************************************************************
2670 * IsChild (USER32.@)
2672 BOOL WINAPI IsChild( HWND parent, HWND child )
2674 HWND *list = list_window_parents( child );
2678 if (!list) return FALSE;
2679 parent = WIN_GetFullHandle( parent );
2680 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2681 ret = list[i] && list[i+1];
2682 HeapFree( GetProcessHeap(), 0, list );
2687 /***********************************************************************
2688 * IsWindowVisible (USER32.@)
2690 BOOL WINAPI IsWindowVisible( HWND hwnd )
2696 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2697 if (!(list = list_window_parents( hwnd ))) return TRUE;
2698 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2700 for (i = 0; list[i+1]; i++)
2701 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2702 retval = !list[i+1];
2704 HeapFree( GetProcessHeap(), 0, list );
2709 /***********************************************************************
2710 * WIN_IsWindowDrawable
2712 * hwnd is drawable when it is visible, all parents are not
2713 * minimized, and it is itself not minimized unless we are
2714 * trying to draw its default class icon.
2716 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2721 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2723 if (!(style & WS_VISIBLE)) return FALSE;
2724 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2726 if (!(list = list_window_parents( hwnd ))) return TRUE;
2727 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2729 for (i = 0; list[i+1]; i++)
2730 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2732 retval = !list[i+1];
2734 HeapFree( GetProcessHeap(), 0, list );
2739 /*******************************************************************
2740 * GetTopWindow (USER32.@)
2742 HWND WINAPI GetTopWindow( HWND hwnd )
2744 if (!hwnd) hwnd = GetDesktopWindow();
2745 return GetWindow( hwnd, GW_CHILD );
2749 /*******************************************************************
2750 * GetWindow (USER32.@)
2752 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2756 if (rel == GW_OWNER) /* this one may be available locally */
2758 WND *wndPtr = WIN_GetPtr( hwnd );
2761 SetLastError( ERROR_INVALID_HANDLE );
2764 if (wndPtr == WND_DESKTOP) return 0;
2765 if (wndPtr != WND_OTHER_PROCESS)
2767 retval = wndPtr->owner;
2768 WIN_ReleasePtr( wndPtr );
2771 /* else fall through to server call */
2774 SERVER_START_REQ( get_window_tree )
2777 if (!wine_server_call_err( req ))
2782 retval = reply->first_sibling;
2785 retval = reply->last_sibling;
2788 retval = reply->next_sibling;
2791 retval = reply->prev_sibling;
2794 retval = reply->owner;
2797 retval = reply->first_child;
2807 /*******************************************************************
2808 * ShowOwnedPopups (USER32.@)
2810 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2814 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2816 if (!win_array) return TRUE;
2818 while (win_array[count]) count++;
2819 while (--count >= 0)
2821 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2822 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2823 if (pWnd == WND_OTHER_PROCESS) continue;
2826 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2828 WIN_ReleasePtr( pWnd );
2829 /* In Windows, ShowOwnedPopups(TRUE) generates
2830 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2831 * regardless of the state of the owner
2833 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2839 if (pWnd->dwStyle & WS_VISIBLE)
2841 WIN_ReleasePtr( pWnd );
2842 /* In Windows, ShowOwnedPopups(FALSE) generates
2843 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2844 * regardless of the state of the owner
2846 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2850 WIN_ReleasePtr( pWnd );
2852 HeapFree( GetProcessHeap(), 0, win_array );
2857 /*******************************************************************
2858 * GetLastActivePopup (USER32.@)
2860 HWND WINAPI GetLastActivePopup( HWND hwnd )
2864 SERVER_START_REQ( get_window_info )
2867 if (!wine_server_call_err( req )) retval = reply->last_active;
2874 /*******************************************************************
2877 * Build an array of the children of a given window. The array must be
2878 * freed with HeapFree. Returns NULL when no windows are found.
2880 HWND *WIN_ListChildren( HWND hwnd )
2882 return list_window_children( 0, hwnd, NULL, 0 );
2886 /*******************************************************************
2887 * EnumWindows (USER32.@)
2889 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2895 USER_CheckNotLock();
2897 /* We have to build a list of all windows first, to avoid */
2898 /* unpleasant side-effects, for instance if the callback */
2899 /* function changes the Z-order of the windows. */
2901 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2903 /* Now call the callback function for every window */
2905 for (i = 0; list[i]; i++)
2907 /* Make sure that the window still exists */
2908 if (!IsWindow( list[i] )) continue;
2909 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2911 HeapFree( GetProcessHeap(), 0, list );
2916 /**********************************************************************
2917 * EnumThreadWindows (USER32.@)
2919 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2924 USER_CheckNotLock();
2926 if (!(list = list_window_children( 0, GetDesktopWindow(), NULL, id ))) return TRUE;
2928 /* Now call the callback function for every window */
2930 for (i = 0; list[i]; i++)
2931 if (!func( list[i], lParam )) break;
2932 HeapFree( GetProcessHeap(), 0, list );
2937 /***********************************************************************
2938 * EnumDesktopWindows (USER32.@)
2940 BOOL WINAPI EnumDesktopWindows( HDESK desktop, WNDENUMPROC func, LPARAM lparam )
2945 USER_CheckNotLock();
2947 if (!(list = list_window_children( desktop, 0, NULL, 0 ))) return TRUE;
2949 for (i = 0; list[i]; i++)
2950 if (!func( list[i], lparam )) break;
2951 HeapFree( GetProcessHeap(), 0, list );
2956 /**********************************************************************
2957 * WIN_EnumChildWindows
2959 * Helper function for EnumChildWindows().
2961 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2966 for ( ; *list; list++)
2968 /* Make sure that the window still exists */
2969 if (!IsWindow( *list )) continue;
2970 /* Build children list first */
2971 childList = WIN_ListChildren( *list );
2973 ret = func( *list, lParam );
2977 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
2978 HeapFree( GetProcessHeap(), 0, childList );
2980 if (!ret) return FALSE;
2986 /**********************************************************************
2987 * EnumChildWindows (USER32.@)
2989 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
2994 USER_CheckNotLock();
2996 if (!(list = WIN_ListChildren( parent ))) return FALSE;
2997 ret = WIN_EnumChildWindows( list, func, lParam );
2998 HeapFree( GetProcessHeap(), 0, list );
3003 /*******************************************************************
3004 * AnyPopup (USER.52)
3006 BOOL16 WINAPI AnyPopup16(void)
3012 /*******************************************************************
3013 * AnyPopup (USER32.@)
3015 BOOL WINAPI AnyPopup(void)
3019 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3021 if (!list) return FALSE;
3022 for (i = 0; list[i]; i++)
3024 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3026 retvalue = (list[i] != 0);
3027 HeapFree( GetProcessHeap(), 0, list );
3032 /*******************************************************************
3033 * FlashWindow (USER32.@)
3035 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3039 TRACE("%p\n", hWnd);
3041 if (IsIconic( hWnd ))
3043 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3045 wndPtr = WIN_GetPtr(hWnd);
3046 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3047 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3049 wndPtr->flags |= WIN_NCACTIVATED;
3053 wndPtr->flags &= ~WIN_NCACTIVATED;
3055 WIN_ReleasePtr( wndPtr );
3062 wndPtr = WIN_GetPtr(hWnd);
3063 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3064 hWnd = wndPtr->hwndSelf; /* make it a full handle */
3066 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3067 else wparam = (hWnd == GetForegroundWindow());
3069 WIN_ReleasePtr( wndPtr );
3070 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
3075 /*******************************************************************
3076 * FlashWindowEx (USER32.@)
3078 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3080 FIXME("%p\n", pfwi);
3084 /*******************************************************************
3085 * GetWindowContextHelpId (USER32.@)
3087 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3090 WND *wnd = WIN_GetPtr( hwnd );
3091 if (!wnd || wnd == WND_DESKTOP) return 0;
3092 if (wnd == WND_OTHER_PROCESS)
3094 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3097 retval = wnd->helpContext;
3098 WIN_ReleasePtr( wnd );
3103 /*******************************************************************
3104 * SetWindowContextHelpId (USER32.@)
3106 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3108 WND *wnd = WIN_GetPtr( hwnd );
3109 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3110 if (wnd == WND_OTHER_PROCESS)
3112 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3115 wnd->helpContext = id;
3116 WIN_ReleasePtr( wnd );
3121 /*******************************************************************
3122 * DragDetect (USER32.@)
3124 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3128 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3129 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3131 rect.left = pt.x - wDragWidth;
3132 rect.right = pt.x + wDragWidth;
3134 rect.top = pt.y - wDragHeight;
3135 rect.bottom = pt.y + wDragHeight;
3141 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3143 if( msg.message == WM_LBUTTONUP )
3148 if( msg.message == WM_MOUSEMOVE )
3151 tmp.x = (short)LOWORD(msg.lParam);
3152 tmp.y = (short)HIWORD(msg.lParam);
3153 if( !PtInRect( &rect, tmp ))
3165 /******************************************************************************
3166 * GetWindowModuleFileNameA (USER32.@)
3168 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR module, UINT size )
3173 TRACE( "%p, %p, %u\n", hwnd, module, size );
3175 win = WIN_GetPtr( hwnd );
3176 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3178 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3181 hinst = win->hInstance;
3182 WIN_ReleasePtr( win );
3184 return GetModuleFileNameA( hinst, module, size );
3187 /******************************************************************************
3188 * GetWindowModuleFileNameW (USER32.@)
3190 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR module, UINT size )
3195 TRACE( "%p, %p, %u\n", hwnd, module, size );
3197 win = WIN_GetPtr( hwnd );
3198 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3200 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3203 hinst = win->hInstance;
3204 WIN_ReleasePtr( win );
3206 return GetModuleFileNameW( hinst, module, size );
3209 /******************************************************************************
3210 * GetWindowInfo (USER32.@)
3212 * Note: tests show that Windows doesn't check cbSize of the structure.
3214 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3216 if (!pwi) return FALSE;
3217 if (!IsWindow(hwnd)) return FALSE;
3219 GetWindowRect(hwnd, &pwi->rcWindow);
3220 GetClientRect(hwnd, &pwi->rcClient);
3221 /* translate to screen coordinates */
3222 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3224 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3225 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3226 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3228 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3229 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3231 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3232 pwi->wCreatorVersion = 0x0400;
3237 /******************************************************************************
3238 * SwitchDesktop (USER32.@)
3240 * NOTES: Sets the current input or interactive desktop.
3242 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3244 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);
3248 /*****************************************************************************
3249 * SetLayeredWindowAttributes (USER32.@)
3251 BOOL WINAPI SetLayeredWindowAttributes( HWND hWnd, COLORREF rgbKey,
3252 BYTE bAlpha, DWORD dwFlags )
3254 FIXME("(%p,0x%.8x,%d,%d): stub!\n", hWnd, rgbKey, bAlpha, dwFlags);
3258 /*****************************************************************************
3259 * GetLayeredWindowAttributes (USER32.@)
3261 BOOL WINAPI GetLayeredWindowAttributes( HWND hWnd, COLORREF *prgbKey,
3262 BYTE *pbAlpha, DWORD *pdwFlags )
3264 FIXME("(%p,%p,%p,%p): stub!\n", hWnd, prgbKey, pbAlpha, pdwFlags);
3268 /*****************************************************************************
3269 * UpdateLayeredWindow (USER32.@)
3271 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3272 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3279 FIXME("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%d): stub!\n",
3280 hwnd, hdcDst, pptDst, psize, hdcSrc, pptSrc, crKey, pblend, dwFlags);
3285 /* 64bit versions */
3287 #ifdef GetWindowLongPtrW
3288 #undef GetWindowLongPtrW
3291 #ifdef GetWindowLongPtrA
3292 #undef GetWindowLongPtrA
3295 #ifdef SetWindowLongPtrW
3296 #undef SetWindowLongPtrW
3299 #ifdef SetWindowLongPtrA
3300 #undef SetWindowLongPtrA
3303 /*****************************************************************************
3304 * GetWindowLongPtrW (USER32.@)
3306 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3308 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3311 /*****************************************************************************
3312 * GetWindowLongPtrA (USER32.@)
3314 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3316 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3319 /*****************************************************************************
3320 * SetWindowLongPtrW (USER32.@)
3322 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3324 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3327 /*****************************************************************************
3328 * SetWindowLongPtrA (USER32.@)
3330 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3332 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );