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"
37 #include "user_private.h"
40 #include "wine/debug.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(win);
44 #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
45 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
47 /**********************************************************************/
49 /* helper for Get/SetWindowLong */
50 static inline LONG_PTR get_win_data( const void *ptr, UINT size )
52 if (size == sizeof(WORD))
55 memcpy( &ret, ptr, sizeof(ret) );
58 else if (size == sizeof(DWORD))
61 memcpy( &ret, ptr, sizeof(ret) );
67 memcpy( &ret, ptr, sizeof(ret) );
72 /* helper for Get/SetWindowLong */
73 static inline void set_win_data( void *ptr, LONG_PTR val, UINT size )
75 if (size == sizeof(WORD))
78 memcpy( ptr, &newval, sizeof(newval) );
80 else if (size == sizeof(DWORD))
83 memcpy( ptr, &newval, sizeof(newval) );
87 memcpy( ptr, &val, sizeof(val) );
92 static void *user_handles[NB_USER_HANDLES];
94 /***********************************************************************
95 * create_window_handle
97 * Create a window handle with the server.
99 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
100 HINSTANCE instance, BOOL unicode )
104 HWND full_parent = 0, full_owner = 0;
105 struct tagCLASS *class = NULL;
106 user_handle_t handle = 0;
109 /* if 16-bit instance, map to module handle */
110 if (instance && !HIWORD(instance))
111 instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
113 SERVER_START_REQ( create_window )
115 req->parent = parent;
118 req->instance = instance;
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(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
138 SERVER_START_REQ( destroy_window )
140 req->handle = handle;
141 wine_server_call( req );
144 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
148 if (!parent) /* if parent is 0 we don't have a desktop window yet */
150 struct user_thread_info *thread_info = get_user_thread_info();
152 assert( !thread_info->desktop );
153 thread_info->desktop = full_parent ? full_parent : handle;
154 if (full_parent && !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
155 ERR( "failed to create desktop window\n" );
160 index = USER_HANDLE_TO_INDEX(handle);
161 assert( index < NB_USER_HANDLES );
162 user_handles[index] = win;
163 win->hwndSelf = handle;
164 win->parent = full_parent;
165 win->owner = full_owner;
166 win->dwMagic = WND_MAGIC;
168 win->cbWndExtra = extra_bytes;
169 memset( win->wExtra, 0, extra_bytes );
170 CLASS_AddWindow( class, win, unicode );
175 /***********************************************************************
178 * Free a window handle.
180 static WND *free_window_handle( HWND hwnd )
183 WORD index = USER_HANDLE_TO_INDEX(hwnd);
185 if (index >= NB_USER_HANDLES) return NULL;
187 if ((ptr = user_handles[index]))
189 SERVER_START_REQ( destroy_window )
192 if (!wine_server_call_err( req ))
194 user_handles[index] = NULL;
203 HeapFree( GetProcessHeap(), 0, ptr );
208 /*******************************************************************
209 * list_window_children
211 * Build an array of the children of a given window. The array must be
212 * freed with HeapFree. Returns NULL when no windows are found.
214 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
223 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
225 SERVER_START_REQ( get_window_children )
230 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
231 if (!wine_server_call( req )) count = reply->count;
234 if (count && count < size)
239 HeapFree( GetProcessHeap(), 0, list );
241 size = count + 1; /* restart with a large enough buffer */
247 /*******************************************************************
248 * list_window_parents
250 * Build an array of all parents of a given window, starting with
251 * the immediate parent. The array must be freed with HeapFree.
253 static HWND *list_window_parents( HWND hwnd )
257 int pos = 0, size = 16, count = 0;
259 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
264 if (!(win = WIN_GetPtr( current ))) goto empty;
265 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
266 if (win == WND_DESKTOP)
268 if (!pos) goto empty;
272 list[pos] = current = win->parent;
273 WIN_ReleasePtr( win );
274 if (++pos == size - 1)
276 /* need to grow the list */
277 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
278 if (!new_list) goto empty;
284 /* at least one parent belongs to another process, have to query the server */
289 SERVER_START_REQ( get_window_parents )
292 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
293 if (!wine_server_call( req )) count = reply->count;
296 if (!count) goto empty;
302 HeapFree( GetProcessHeap(), 0, list );
304 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
308 HeapFree( GetProcessHeap(), 0, list );
313 /*******************************************************************
316 static void send_parent_notify( HWND hwnd, UINT msg )
318 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
319 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
321 HWND parent = GetParent(hwnd);
322 if (parent && parent != GetDesktopWindow())
323 SendMessageW( parent, WM_PARENTNOTIFY,
324 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
329 /*******************************************************************
330 * get_server_window_text
332 * Retrieve the window text from the server.
334 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
338 SERVER_START_REQ( get_window_text )
341 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
342 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
345 text[len / sizeof(WCHAR)] = 0;
349 /***********************************************************************
352 * Return a pointer to the WND structure if local to the process,
353 * or WND_OTHER_PROCESS if handle may be valid in other process.
354 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
356 WND *WIN_GetPtr( HWND hwnd )
359 WORD index = USER_HANDLE_TO_INDEX(hwnd);
361 if (index >= NB_USER_HANDLES) return NULL;
364 if ((ptr = user_handles[index]))
366 if (ptr->dwMagic == WND_MAGIC &&
367 (hwnd == ptr->hwndSelf || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff))
371 else if (index == USER_HANDLE_TO_INDEX(GetDesktopWindow()))
373 if (hwnd == GetDesktopWindow() || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff) ptr = WND_DESKTOP;
376 else ptr = WND_OTHER_PROCESS;
382 /***********************************************************************
383 * WIN_IsCurrentProcess
385 * Check whether a given window belongs to the current process (and return the full handle).
387 HWND WIN_IsCurrentProcess( HWND hwnd )
392 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
394 WIN_ReleasePtr( ptr );
399 /***********************************************************************
400 * WIN_IsCurrentThread
402 * Check whether a given window belongs to the current thread (and return the full handle).
404 HWND WIN_IsCurrentThread( HWND hwnd )
409 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
410 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
411 WIN_ReleasePtr( ptr );
416 /***********************************************************************
419 * Convert a 16-bit window handle to a full 32-bit handle.
421 HWND WIN_Handle32( HWND16 hwnd16 )
424 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
426 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
427 /* do sign extension for -2 and -3 */
428 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
430 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
432 if (ptr == WND_DESKTOP) return GetDesktopWindow();
434 if (ptr != WND_OTHER_PROCESS)
436 hwnd = ptr->hwndSelf;
437 WIN_ReleasePtr( ptr );
439 else /* may belong to another process */
441 SERVER_START_REQ( get_window_info )
444 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
452 /***********************************************************************
455 * Change the owner of a window.
457 HWND WIN_SetOwner( HWND hwnd, HWND owner )
459 WND *win = WIN_GetPtr( hwnd );
462 if (!win || win == WND_DESKTOP) return 0;
463 if (win == WND_OTHER_PROCESS)
465 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
468 SERVER_START_REQ( set_window_owner )
472 if (!wine_server_call( req ))
474 win->owner = reply->full_owner;
475 ret = reply->prev_owner;
479 WIN_ReleasePtr( win );
484 /***********************************************************************
487 * Change the style of a window.
489 ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
492 ULONG new_style, old_style = 0;
493 WND *win = WIN_GetPtr( hwnd );
495 if (!win || win == WND_DESKTOP) return 0;
496 if (win == WND_OTHER_PROCESS)
499 ERR( "cannot set style %x/%x on other process window %p\n",
500 set_bits, clear_bits, hwnd );
503 new_style = (win->dwStyle | set_bits) & ~clear_bits;
504 if (new_style == win->dwStyle)
506 WIN_ReleasePtr( win );
509 SERVER_START_REQ( set_window_info )
512 req->flags = SET_WIN_STYLE;
513 req->style = new_style;
514 req->extra_offset = -1;
515 if ((ok = !wine_server_call( req )))
517 old_style = reply->old_style;
518 win->dwStyle = new_style;
522 WIN_ReleasePtr( win );
523 if (ok) USER_Driver->pSetWindowStyle( hwnd, old_style );
528 /***********************************************************************
531 * Get the window and client rectangles.
533 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
535 WND *win = WIN_GetPtr( hwnd );
538 if (!win) return FALSE;
539 if (win == WND_DESKTOP)
542 rect.left = rect.top = 0;
543 rect.right = GetSystemMetrics(SM_CXSCREEN);
544 rect.bottom = GetSystemMetrics(SM_CYSCREEN);
545 if (rectWindow) *rectWindow = rect;
546 if (rectClient) *rectClient = rect;
548 else if (win == WND_OTHER_PROCESS)
550 SERVER_START_REQ( get_window_rectangles )
553 if ((ret = !wine_server_call( req )))
557 rectWindow->left = reply->window.left;
558 rectWindow->top = reply->window.top;
559 rectWindow->right = reply->window.right;
560 rectWindow->bottom = reply->window.bottom;
564 rectClient->left = reply->client.left;
565 rectClient->top = reply->client.top;
566 rectClient->right = reply->client.right;
567 rectClient->bottom = reply->client.bottom;
575 if (rectWindow) *rectWindow = win->rectWindow;
576 if (rectClient) *rectClient = win->rectClient;
577 WIN_ReleasePtr( win );
583 /***********************************************************************
586 * Destroy storage associated to a window. "Internals" p.358
588 LRESULT WIN_DestroyWindow( HWND hwnd )
592 HMENU menu = 0, sys_menu;
594 TRACE("%p\n", hwnd );
596 /* free child windows */
597 if ((list = WIN_ListChildren( hwnd )))
600 for (i = 0; list[i]; i++)
602 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
603 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
605 HeapFree( GetProcessHeap(), 0, list );
608 /* Unlink now so we won't bother with the children later on */
609 SERVER_START_REQ( set_parent )
613 wine_server_call( req );
618 * Send the WM_NCDESTROY to the window being destroyed.
620 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
622 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
624 WINPOS_CheckInternalPos( hwnd );
626 /* free resources associated with the window */
628 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
629 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
630 menu = (HMENU)wndPtr->wIDmenu;
631 sys_menu = wndPtr->hSysMenu;
632 WIN_ReleasePtr( wndPtr );
634 if (menu) DestroyMenu( menu );
635 if (sys_menu) DestroyMenu( sys_menu );
637 USER_Driver->pDestroyWindow( hwnd );
639 free_window_handle( hwnd );
643 /***********************************************************************
644 * WIN_DestroyThreadWindows
646 * Destroy all children of 'wnd' owned by the current thread.
648 void WIN_DestroyThreadWindows( HWND hwnd )
653 if (!(list = WIN_ListChildren( hwnd ))) return;
654 for (i = 0; list[i]; i++)
656 if (WIN_IsCurrentThread( list[i] ))
657 DestroyWindow( list[i] );
659 WIN_DestroyThreadWindows( list[i] );
661 HeapFree( GetProcessHeap(), 0, list );
665 /***********************************************************************
668 * Fix the coordinates - Helper for WIN_CreateWindowEx.
669 * returns default show mode in sw.
671 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
673 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == CW_USEDEFAULT16)
676 if (cs->dwExStyle & WS_EX_MDICHILD)
680 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
681 if (!(cs->style & WS_POPUP)) cs->hMenu = (HMENU)id;
683 TRACE("MDI child id %04x\n", id);
686 if (cs->style & (WS_CHILD | WS_POPUP))
688 if (cs->dwExStyle & WS_EX_MDICHILD)
690 if (IS_DEFAULT(cs->x))
695 if (IS_DEFAULT(cs->cx) || !cs->cx) cs->cx = pos[1].x;
696 if (IS_DEFAULT(cs->cy) || !cs->cy) cs->cy = pos[1].y;
700 if (IS_DEFAULT(cs->x)) cs->x = cs->y = 0;
701 if (IS_DEFAULT(cs->cx)) cs->cx = cs->cy = 0;
704 else /* overlapped window */
707 MONITORINFO mon_info;
710 if (!IS_DEFAULT(cs->x) && !IS_DEFAULT(cs->cx) && !IS_DEFAULT(cs->cy)) return;
712 monitor = MonitorFromWindow( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY );
713 mon_info.cbSize = sizeof(mon_info);
714 GetMonitorInfoW( monitor, &mon_info );
715 GetStartupInfoW( &info );
717 if (IS_DEFAULT(cs->x))
719 if (!IS_DEFAULT(cs->y)) *sw = cs->y;
720 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : mon_info.rcWork.left;
721 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : mon_info.rcWork.top;
724 if (IS_DEFAULT(cs->cx))
726 if (info.dwFlags & STARTF_USESIZE)
728 cs->cx = info.dwXSize;
729 cs->cy = info.dwYSize;
733 cs->cx = (mon_info.rcWork.right - mon_info.rcWork.left) * 3 / 4 - cs->x;
734 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
737 /* neither x nor cx are default. Check the y values .
738 * In the trace we see Outlook and Outlook Express using
739 * cy set to CW_USEDEFAULT when opening the address book.
741 else if (IS_DEFAULT(cs->cy))
743 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
744 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
750 /***********************************************************************
753 static void dump_window_styles( DWORD style, DWORD exstyle )
756 if(style & WS_POPUP) TRACE(" WS_POPUP");
757 if(style & WS_CHILD) TRACE(" WS_CHILD");
758 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
759 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
760 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
761 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
762 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
763 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
764 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
767 if(style & WS_BORDER) TRACE(" WS_BORDER");
768 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
770 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
771 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
772 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
773 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
774 if (style & WS_CHILD)
776 if(style & WS_GROUP) TRACE(" WS_GROUP");
777 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
781 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
782 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
785 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
786 #define DUMPED_STYLES \
806 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
811 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
812 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
813 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
814 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
815 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
816 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
817 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
818 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
819 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
820 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
821 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
822 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
823 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
824 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
825 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
826 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
827 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
828 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
830 #define DUMPED_EX_STYLES \
831 (WS_EX_DLGMODALFRAME | \
833 WS_EX_NOPARENTNOTIFY | \
835 WS_EX_ACCEPTFILES | \
836 WS_EX_TRANSPARENT | \
841 WS_EX_CONTEXTHELP | \
844 WS_EX_LEFTSCROLLBAR | \
845 WS_EX_CONTROLPARENT | \
850 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
852 #undef DUMPED_EX_STYLES
856 /***********************************************************************
859 * Implementation of CreateWindowEx().
861 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom, UINT flags )
865 HWND hwnd, parent, owner, top_child = 0;
866 BOOL unicode = (flags & WIN_ISUNICODE) != 0;
867 MDICREATESTRUCTA mdi_cs;
869 TRACE("%s %s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
870 unicode ? debugstr_w((LPCWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
871 unicode ? debugstr_w((LPCWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
872 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
873 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
874 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
876 /* Fix the styles for MDI children */
877 if (cs->dwExStyle & WS_EX_MDICHILD)
881 wndPtr = WIN_GetPtr(cs->hwndParent);
882 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
884 flags = wndPtr->flags;
885 WIN_ReleasePtr(wndPtr);
888 if (!(flags & WIN_ISMDICLIENT))
890 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
894 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
895 * MDICREATESTRUCT members have the originally passed values.
897 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
898 * have the same layout.
900 mdi_cs.szClass = cs->lpszClass;
901 mdi_cs.szTitle = cs->lpszName;
902 mdi_cs.hOwner = cs->hInstance;
907 mdi_cs.style = cs->style;
908 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
910 cs->lpCreateParams = (LPVOID)&mdi_cs;
912 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
914 if (cs->style & WS_POPUP)
916 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
919 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
923 cs->style &= ~WS_POPUP;
924 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
925 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
928 top_child = GetWindow(cs->hwndParent, GW_CHILD);
932 /* Restore current maximized child */
933 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
935 TRACE("Restoring current maximized child %p\n", top_child);
936 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
937 ShowWindow(top_child, SW_RESTORE);
938 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
943 /* Find the parent window */
945 parent = cs->hwndParent;
948 if (cs->hwndParent == HWND_MESSAGE)
950 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
951 * message window (style: WS_POPUP|WS_DISABLED)
953 FIXME("Parent is HWND_MESSAGE\n");
954 parent = GetDesktopWindow();
956 else if (cs->hwndParent)
958 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
960 parent = GetDesktopWindow();
961 owner = cs->hwndParent;
966 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
968 WARN("No parent for child window\n" );
969 SetLastError(ERROR_TLW_WITH_WSCHILD);
970 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
972 if (classAtom != LOWORD(DESKTOP_CLASS_ATOM)) /* are we creating the desktop itself? */
973 parent = GetDesktopWindow();
976 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
978 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
979 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
980 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
981 cs->dwExStyle |= WS_EX_WINDOWEDGE;
983 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
985 /* Create the window structure */
987 if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, unicode )))
989 hwnd = wndPtr->hwndSelf;
991 /* Fill the window structure */
993 wndPtr->tid = GetCurrentThreadId();
994 wndPtr->hInstance = cs->hInstance;
996 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
997 wndPtr->dwExStyle = cs->dwExStyle;
999 wndPtr->helpContext = 0;
1000 wndPtr->pVScroll = NULL;
1001 wndPtr->pHScroll = NULL;
1002 wndPtr->userdata = 0;
1004 wndPtr->hIconSmall = 0;
1005 wndPtr->hSysMenu = 0;
1006 wndPtr->flags |= (flags & WIN_ISWIN32);
1008 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1011 * Correct the window styles.
1013 * It affects only the style loaded into the WIN structure.
1016 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1018 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1019 if (!(wndPtr->dwStyle & WS_POPUP))
1020 wndPtr->dwStyle |= WS_CAPTION;
1024 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1025 * why does the user get to set it?
1028 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1029 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1030 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1032 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1034 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1035 wndPtr->flags |= WIN_NEED_SIZE;
1037 SERVER_START_REQ( set_window_info )
1040 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
1041 req->style = wndPtr->dwStyle;
1042 req->ex_style = wndPtr->dwExStyle;
1043 req->instance = (void *)wndPtr->hInstance;
1044 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1045 req->extra_offset = -1;
1046 wine_server_call( req );
1050 /* Set the window menu */
1052 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1056 if (!MENU_SetMenu(hwnd, cs->hMenu))
1058 WIN_ReleasePtr( wndPtr );
1059 free_window_handle( hwnd );
1065 LPCSTR menuName = (LPCSTR)GetClassLongPtrA( hwnd, GCLP_MENUNAME );
1068 if (!cs->hInstance || HIWORD(cs->hInstance))
1069 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1071 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1073 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1077 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1078 WIN_ReleasePtr( wndPtr );
1080 if (!USER_Driver->pCreateWindow( hwnd, cs, unicode))
1082 WIN_DestroyWindow( hwnd );
1086 /* Notify the parent window only */
1088 send_parent_notify( hwnd, WM_CREATE );
1089 if (!IsWindow( hwnd )) return 0;
1091 if (cs->style & WS_VISIBLE)
1093 if (cs->style & WS_MAXIMIZE)
1095 else if (cs->style & WS_MINIMIZE)
1096 sw = SW_SHOWMINIMIZED;
1098 ShowWindow( hwnd, sw );
1099 if (cs->dwExStyle & WS_EX_MDICHILD)
1101 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1102 /* ShowWindow won't activate child windows */
1103 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1107 /* Call WH_SHELL hook */
1109 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1110 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1112 TRACE("created window %p\n", hwnd);
1117 /***********************************************************************
1118 * CreateWindow (USER.41)
1120 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1121 DWORD style, INT16 x, INT16 y, INT16 width,
1122 INT16 height, HWND16 parent, HMENU16 menu,
1123 HINSTANCE16 instance, LPVOID data )
1125 return CreateWindowEx16( 0, className, windowName, style,
1126 x, y, width, height, parent, menu, instance, data );
1130 /***********************************************************************
1131 * CreateWindowEx (USER.452)
1133 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1134 LPCSTR windowName, DWORD style, INT16 x,
1135 INT16 y, INT16 width, INT16 height,
1136 HWND16 parent, HMENU16 menu,
1137 HINSTANCE16 instance, LPVOID data )
1143 /* Find the class atom */
1145 if (HIWORD(className))
1147 if (!(classAtom = GlobalFindAtomA( className )))
1149 ERR( "bad class name %s\n", debugstr_a(className) );
1155 classAtom = LOWORD(className);
1156 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1158 ERR( "bad atom %x\n", classAtom);
1164 /* Fix the coordinates */
1166 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1167 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1168 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1169 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1171 /* Create the window */
1173 cs.lpCreateParams = data;
1174 cs.hInstance = HINSTANCE_32(instance);
1175 cs.hMenu = HMENU_32(menu);
1176 cs.hwndParent = WIN_Handle32( parent );
1178 cs.lpszName = windowName;
1179 cs.lpszClass = className;
1180 cs.dwExStyle = exStyle;
1182 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, 0 ));
1186 /***********************************************************************
1187 * CreateWindowExA (USER32.@)
1189 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1190 LPCSTR windowName, DWORD style, INT x,
1191 INT y, INT width, INT height,
1192 HWND parent, HMENU menu,
1193 HINSTANCE instance, LPVOID data )
1199 /* Find the class atom */
1201 if (HIWORD(className))
1203 if (!(classAtom = GlobalFindAtomA( className )))
1205 ERR( "bad class name %s\n", debugstr_a(className) );
1211 classAtom = LOWORD(className);
1212 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1214 ERR( "bad atom %x\n", classAtom);
1220 /* Create the window */
1222 cs.lpCreateParams = data;
1223 cs.hInstance = instance;
1225 cs.hwndParent = parent;
1231 cs.lpszName = windowName;
1232 cs.lpszClass = className;
1233 cs.dwExStyle = exStyle;
1235 return WIN_CreateWindowEx( &cs, classAtom, WIN_ISWIN32 );
1239 /***********************************************************************
1240 * CreateWindowExW (USER32.@)
1242 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1243 LPCWSTR windowName, DWORD style, INT x,
1244 INT y, INT width, INT height,
1245 HWND parent, HMENU menu,
1246 HINSTANCE instance, LPVOID data )
1252 /* Find the class atom */
1254 if (HIWORD(className))
1256 if (!(classAtom = GlobalFindAtomW( className )))
1258 ERR( "bad class name %s\n", debugstr_w(className) );
1264 classAtom = LOWORD(className);
1265 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1267 ERR( "bad atom %x\n", classAtom);
1273 /* Create the window */
1275 cs.lpCreateParams = data;
1276 cs.hInstance = instance;
1278 cs.hwndParent = parent;
1284 cs.lpszName = windowName;
1285 cs.lpszClass = className;
1286 cs.dwExStyle = exStyle;
1288 /* Note: we rely on the fact that CREATESTRUCTA and */
1289 /* CREATESTRUCTW have the same layout. */
1290 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_ISWIN32 | WIN_ISUNICODE );
1294 /***********************************************************************
1295 * WIN_SendDestroyMsg
1297 static void WIN_SendDestroyMsg( HWND hwnd )
1301 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1303 if (hwnd == info.hwndCaret) DestroyCaret();
1304 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1308 * Send the WM_DESTROY to the window.
1310 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1313 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1314 * make sure that the window still exists when we come back.
1321 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1323 for (i = 0; pWndArray[i]; i++)
1325 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1327 HeapFree( GetProcessHeap(), 0, pWndArray );
1330 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1334 /***********************************************************************
1335 * DestroyWindow (USER32.@)
1337 BOOL WINAPI DestroyWindow( HWND hwnd )
1341 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1343 SetLastError( ERROR_ACCESS_DENIED );
1347 TRACE("(%p)\n", hwnd);
1351 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1353 if (MENU_IsMenuActive() == hwnd)
1356 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1360 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1361 send_parent_notify( hwnd, WM_DESTROY );
1363 else if (!GetWindow( hwnd, GW_OWNER ))
1365 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1366 /* FIXME: clean up palette - see "Internals" p.352 */
1369 if (!IsWindow(hwnd)) return TRUE;
1371 /* Hide the window */
1372 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1374 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1376 ShowWindow( hwnd, SW_HIDE );
1378 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1379 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1382 if (!IsWindow(hwnd)) return TRUE;
1384 /* Recursively destroy owned windows */
1391 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1394 for (i = 0; list[i]; i++)
1396 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1397 if (WIN_IsCurrentThread( list[i] ))
1399 DestroyWindow( list[i] );
1403 WIN_SetOwner( list[i], 0 );
1405 HeapFree( GetProcessHeap(), 0, list );
1407 if (!got_one) break;
1411 /* Send destroy messages */
1413 WIN_SendDestroyMsg( hwnd );
1414 if (!IsWindow( hwnd )) return TRUE;
1416 if (GetClipboardOwner() == hwnd)
1417 CLIPBOARD_ReleaseOwner();
1419 /* Destroy the window storage */
1421 WIN_DestroyWindow( hwnd );
1426 /***********************************************************************
1427 * CloseWindow (USER32.@)
1429 BOOL WINAPI CloseWindow( HWND hwnd )
1431 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1432 ShowWindow( hwnd, SW_MINIMIZE );
1437 /***********************************************************************
1438 * OpenIcon (USER32.@)
1440 BOOL WINAPI OpenIcon( HWND hwnd )
1442 if (!IsIconic( hwnd )) return FALSE;
1443 ShowWindow( hwnd, SW_SHOWNORMAL );
1448 /***********************************************************************
1451 * Implementation of FindWindow() and FindWindowEx().
1453 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1458 WCHAR *buffer = NULL;
1460 if (!parent) parent = GetDesktopWindow();
1463 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1464 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1467 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1471 child = WIN_GetFullHandle( child );
1472 while (list[i] && list[i] != child) i++;
1473 if (!list[i]) goto done;
1474 i++; /* start from next window */
1481 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1488 HeapFree( GetProcessHeap(), 0, list );
1489 HeapFree( GetProcessHeap(), 0, buffer );
1495 /***********************************************************************
1496 * FindWindowA (USER32.@)
1498 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1500 HWND ret = FindWindowExA( 0, 0, className, title );
1501 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1506 /***********************************************************************
1507 * FindWindowExA (USER32.@)
1509 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1510 LPCSTR className, LPCSTR title )
1519 /* If the atom doesn't exist, then no class */
1520 /* with this name exists either. */
1521 if (!(atom = GlobalFindAtomA( className )))
1523 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1527 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1529 len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1530 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1531 MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
1532 hwnd = WIN_FindWindow( parent, child, atom, buffer );
1533 HeapFree( GetProcessHeap(), 0, buffer );
1538 /***********************************************************************
1539 * FindWindowExW (USER32.@)
1541 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1542 LPCWSTR className, LPCWSTR title )
1548 /* If the atom doesn't exist, then no class */
1549 /* with this name exists either. */
1550 if (!(atom = GlobalFindAtomW( className )))
1552 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1556 return WIN_FindWindow( parent, child, atom, title );
1560 /***********************************************************************
1561 * FindWindowW (USER32.@)
1563 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1565 return FindWindowExW( 0, 0, className, title );
1569 /**********************************************************************
1570 * GetDesktopWindow (USER32.@)
1572 HWND WINAPI GetDesktopWindow(void)
1574 struct user_thread_info *thread_info = get_user_thread_info();
1576 if (thread_info->desktop) return thread_info->desktop;
1578 SERVER_START_REQ( get_desktop_window )
1581 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1585 if (!thread_info->desktop)
1587 static const WCHAR command_line[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',' ','/','d','e','s','k','t','o','p',0};
1589 PROCESS_INFORMATION pi;
1590 WCHAR cmdline[MAX_PATH + sizeof(command_line)/sizeof(WCHAR)];
1592 memset( &si, 0, sizeof(si) );
1594 GetSystemDirectoryW( cmdline, MAX_PATH );
1595 lstrcatW( cmdline, command_line );
1596 if (CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS,
1597 NULL, NULL, &si, &pi ))
1599 TRACE( "started explorer pid %04x tid %04x\n", pi.dwProcessId, pi.dwThreadId );
1600 WaitForInputIdle( pi.hProcess, 10000 );
1601 CloseHandle( pi.hThread );
1602 CloseHandle( pi.hProcess );
1605 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1607 SERVER_START_REQ( get_desktop_window )
1610 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1615 if (!thread_info->desktop || !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
1616 ERR( "failed to create desktop window\n" );
1618 return thread_info->desktop;
1622 /*******************************************************************
1623 * EnableWindow (USER32.@)
1625 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1630 if (is_broadcast(hwnd))
1632 SetLastError( ERROR_INVALID_PARAMETER );
1636 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1637 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1641 TRACE("( %p, %d )\n", hwnd, enable);
1643 retvalue = !IsWindowEnabled( hwnd );
1645 if (enable && retvalue)
1647 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1648 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1650 else if (!enable && !retvalue)
1654 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1656 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1658 if (hwnd == GetFocus())
1659 SetFocus( 0 ); /* A disabled window can't have the focus */
1661 capture_wnd = GetCapture();
1662 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1663 ReleaseCapture(); /* A disabled window can't capture the mouse */
1665 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1671 /***********************************************************************
1672 * IsWindowEnabled (USER32.@)
1674 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1676 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1680 /***********************************************************************
1681 * IsWindowUnicode (USER32.@)
1683 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1686 BOOL retvalue = FALSE;
1688 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1690 if (wndPtr == WND_DESKTOP) return TRUE;
1692 if (wndPtr != WND_OTHER_PROCESS)
1694 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
1695 WIN_ReleasePtr( wndPtr );
1699 SERVER_START_REQ( get_window_info )
1702 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
1710 /**********************************************************************
1713 * Helper function for GetWindowLong().
1715 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
1717 LONG_PTR retvalue = 0;
1720 if (offset == GWLP_HWNDPARENT)
1722 HWND parent = GetAncestor( hwnd, GA_PARENT );
1723 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1724 return (ULONG_PTR)parent;
1727 if (!(wndPtr = WIN_GetPtr( hwnd )))
1729 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1733 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1735 if (offset == GWLP_WNDPROC)
1737 SetLastError( ERROR_ACCESS_DENIED );
1740 SERVER_START_REQ( set_window_info )
1743 req->flags = 0; /* don't set anything, just retrieve */
1744 req->extra_offset = (offset >= 0) ? offset : -1;
1745 req->extra_size = (offset >= 0) ? size : 0;
1746 if (!wine_server_call_err( req ))
1750 case GWL_STYLE: retvalue = reply->old_style; break;
1751 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1752 case GWLP_ID: retvalue = reply->old_id; break;
1753 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1754 case GWLP_USERDATA: retvalue = reply->old_user_data; break;
1756 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
1757 else SetLastError( ERROR_INVALID_INDEX );
1766 /* now we have a valid wndPtr */
1770 if (offset > (int)(wndPtr->cbWndExtra - size))
1772 WARN("Invalid offset %d\n", offset );
1773 WIN_ReleasePtr( wndPtr );
1774 SetLastError( ERROR_INVALID_INDEX );
1777 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
1779 /* Special case for dialog window procedure */
1780 if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1781 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, unicode );
1782 WIN_ReleasePtr( wndPtr );
1788 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
1789 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
1790 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
1791 case GWLP_ID: retvalue = (ULONG_PTR)wndPtr->wIDmenu; break;
1792 case GWLP_WNDPROC: retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode ); break;
1793 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
1795 WARN("Unknown offset %d\n", offset );
1796 SetLastError( ERROR_INVALID_INDEX );
1799 WIN_ReleasePtr(wndPtr);
1804 /**********************************************************************
1807 * Helper function for SetWindowLong().
1809 * 0 is the failure code. However, in the case of failure SetLastError
1810 * must be set to distinguish between a 0 return value and a failure.
1812 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
1816 LONG_PTR retval = 0;
1819 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
1821 if (is_broadcast(hwnd))
1823 SetLastError( ERROR_INVALID_PARAMETER );
1827 if (!(wndPtr = WIN_GetPtr( hwnd )))
1829 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1832 if (wndPtr == WND_DESKTOP)
1834 /* can't change anything on the desktop window */
1835 SetLastError( ERROR_ACCESS_DENIED );
1838 if (wndPtr == WND_OTHER_PROCESS)
1840 if (offset == GWLP_WNDPROC)
1842 SetLastError( ERROR_ACCESS_DENIED );
1845 if (offset > 32767 || offset < -32767)
1847 SetLastError( ERROR_INVALID_INDEX );
1850 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
1853 /* first some special cases */
1859 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
1860 style.styleNew = newval;
1861 WIN_ReleasePtr( wndPtr );
1862 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
1863 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1864 newval = style.styleNew;
1866 case GWLP_HWNDPARENT:
1867 if (wndPtr->parent == GetDesktopWindow())
1869 WIN_ReleasePtr( wndPtr );
1870 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
1874 WIN_ReleasePtr( wndPtr );
1875 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
1880 UINT old_flags = wndPtr->flags;
1881 retval = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
1882 if (unicode) proc = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1883 else proc = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1884 if (proc) wndPtr->winproc = proc;
1885 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
1886 else wndPtr->flags &= ~WIN_ISUNICODE;
1887 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
1889 WIN_ReleasePtr( wndPtr );
1892 /* update is_unicode flag on the server side */
1896 case GWLP_HINSTANCE:
1900 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
1901 (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1903 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
1904 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
1905 if (unicode) *ptr = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1906 else *ptr = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1907 WIN_ReleasePtr( wndPtr );
1912 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
1914 WARN("Invalid offset %d\n", offset );
1915 WIN_ReleasePtr( wndPtr );
1916 SetLastError( ERROR_INVALID_INDEX );
1919 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
1921 /* already set to the same value */
1922 WIN_ReleasePtr( wndPtr );
1928 SERVER_START_REQ( set_window_info )
1931 req->extra_offset = -1;
1935 req->flags = SET_WIN_STYLE;
1936 req->style = newval;
1939 req->flags = SET_WIN_EXSTYLE;
1940 req->ex_style = newval;
1943 req->flags = SET_WIN_ID;
1946 case GWLP_HINSTANCE:
1947 req->flags = SET_WIN_INSTANCE;
1948 req->instance = (void *)newval;
1951 req->flags = SET_WIN_UNICODE;
1952 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1955 req->flags = SET_WIN_USERDATA;
1956 req->user_data = newval;
1959 req->flags = SET_WIN_EXTRA;
1960 req->extra_offset = offset;
1961 req->extra_size = size;
1962 set_win_data( &req->extra_value, newval, size );
1964 if ((ok = !wine_server_call_err( req )))
1969 wndPtr->dwStyle = newval;
1970 retval = reply->old_style;
1973 wndPtr->dwExStyle = newval;
1974 retval = reply->old_ex_style;
1977 wndPtr->wIDmenu = newval;
1978 retval = reply->old_id;
1980 case GWLP_HINSTANCE:
1981 wndPtr->hInstance = (HINSTANCE)newval;
1982 retval = (ULONG_PTR)reply->old_instance;
1987 wndPtr->userdata = newval;
1988 retval = reply->old_user_data;
1991 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
1992 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
1998 WIN_ReleasePtr( wndPtr );
2002 if (offset == GWL_STYLE) USER_Driver->pSetWindowStyle( hwnd, retval );
2004 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2005 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2011 /**********************************************************************
2012 * GetWindowLong (USER.135)
2014 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2018 BOOL is_winproc = (offset == GWLP_WNDPROC);
2022 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2024 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2027 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2029 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2032 * Some programs try to access last element from 16 bit
2033 * code using illegal offset value. Hopefully this is
2034 * what those programs really expect.
2036 if (wndPtr->cbWndExtra >= 4 && offset == wndPtr->cbWndExtra - sizeof(WORD))
2038 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
2039 ERR( "- replaced invalid offset %d with %d\n", offset, offset2 );
2044 WARN("Invalid offset %d\n", offset );
2045 WIN_ReleasePtr( wndPtr );
2046 SetLastError( ERROR_INVALID_INDEX );
2050 is_winproc = ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG));
2051 WIN_ReleasePtr( wndPtr );
2054 retvalue = GetWindowLongA( WIN_Handle32(hwnd), offset );
2055 if (is_winproc) retvalue = (LONG_PTR)WINPROC_GetProc16( (WNDPROC)retvalue, FALSE );
2060 /**********************************************************************
2061 * GetWindowWord (USER32.@)
2063 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2068 case GWLP_HINSTANCE:
2069 case GWLP_HWNDPARENT:
2074 WARN("Invalid offset %d\n", offset );
2075 SetLastError( ERROR_INVALID_INDEX );
2080 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2084 /**********************************************************************
2085 * GetWindowLongA (USER32.@)
2087 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2089 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2093 /**********************************************************************
2094 * GetWindowLongW (USER32.@)
2096 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2098 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2102 /**********************************************************************
2103 * SetWindowLong (USER.136)
2105 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2108 BOOL is_winproc = (offset == GWLP_WNDPROC);
2110 if (offset == DWLP_DLGPROC)
2112 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2114 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2117 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2119 is_winproc = ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2120 (wndPtr->flags & WIN_ISDIALOG));
2121 WIN_ReleasePtr( wndPtr );
2127 WNDPROC new_proc = WINPROC_AllocProc16( (WNDPROC16)newval );
2128 WNDPROC old_proc = (WNDPROC)SetWindowLongA( WIN_Handle32(hwnd), offset, (LONG_PTR)new_proc );
2129 return (LONG)WINPROC_GetProc16( (WNDPROC)old_proc, FALSE );
2131 else return SetWindowLongA( WIN_Handle32(hwnd), offset, newval );
2135 /**********************************************************************
2136 * SetWindowWord (USER32.@)
2138 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2143 case GWLP_HINSTANCE:
2144 case GWLP_HWNDPARENT:
2149 WARN("Invalid offset %d\n", offset );
2150 SetLastError( ERROR_INVALID_INDEX );
2155 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2159 /**********************************************************************
2160 * SetWindowLongA (USER32.@)
2162 * See SetWindowLongW.
2164 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2166 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2170 /**********************************************************************
2171 * SetWindowLongW (USER32.@) Set window attribute
2173 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2174 * value in a window's extra memory.
2176 * The _hwnd_ parameter specifies the window. is the handle to a
2177 * window that has extra memory. The _newval_ parameter contains the
2178 * new attribute or extra memory value. If positive, the _offset_
2179 * parameter is the byte-addressed location in the window's extra
2180 * memory to set. If negative, _offset_ specifies the window
2181 * attribute to set, and should be one of the following values:
2183 * GWL_EXSTYLE The window's extended window style
2185 * GWL_STYLE The window's window style.
2187 * GWLP_WNDPROC Pointer to the window's window procedure.
2189 * GWLP_HINSTANCE The window's pplication instance handle.
2191 * GWLP_ID The window's identifier.
2193 * GWLP_USERDATA The window's user-specified data.
2195 * If the window is a dialog box, the _offset_ parameter can be one of
2196 * the following values:
2198 * DWLP_DLGPROC The address of the window's dialog box procedure.
2200 * DWLP_MSGRESULT The return value of a message
2201 * that the dialog box procedure processed.
2203 * DWLP_USER Application specific information.
2207 * If successful, returns the previous value located at _offset_. Otherwise,
2212 * Extra memory for a window class is specified by a nonzero cbWndExtra
2213 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2214 * time of class creation.
2216 * Using GWL_WNDPROC to set a new window procedure effectively creates
2217 * a window subclass. Use CallWindowProc() in the new windows procedure
2218 * to pass messages to the superclass's window procedure.
2220 * The user data is reserved for use by the application which created
2223 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2224 * instead, call the EnableWindow() function to change the window's
2227 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2228 * SetParent() instead.
2231 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2232 * it sends WM_STYLECHANGING before changing the settings
2233 * and WM_STYLECHANGED afterwards.
2234 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2236 LONG WINAPI SetWindowLongW(
2237 HWND hwnd, /* [in] window to alter */
2238 INT offset, /* [in] offset, in bytes, of location to alter */
2239 LONG newval /* [in] new value of location */
2241 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2245 /*******************************************************************
2246 * GetWindowTextA (USER32.@)
2248 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2252 if (!lpString) return 0;
2254 if (WIN_IsCurrentProcess( hwnd ))
2255 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2257 /* when window belongs to other process, don't send a message */
2258 if (nMaxCount <= 0) return 0;
2259 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2260 get_server_window_text( hwnd, buffer, nMaxCount );
2261 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2262 lpString[nMaxCount-1] = 0;
2263 HeapFree( GetProcessHeap(), 0, buffer );
2264 return strlen(lpString);
2268 /*******************************************************************
2269 * InternalGetWindowText (USER32.@)
2271 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2275 if (nMaxCount <= 0) return 0;
2276 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2277 if (win == WND_DESKTOP) lpString[0] = 0;
2278 else if (win != WND_OTHER_PROCESS)
2280 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2281 else lpString[0] = 0;
2282 WIN_ReleasePtr( win );
2286 get_server_window_text( hwnd, lpString, nMaxCount );
2288 return strlenW(lpString);
2292 /*******************************************************************
2293 * GetWindowTextW (USER32.@)
2295 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2297 if (!lpString) return 0;
2299 if (WIN_IsCurrentProcess( hwnd ))
2300 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2302 /* when window belongs to other process, don't send a message */
2303 if (nMaxCount <= 0) return 0;
2304 get_server_window_text( hwnd, lpString, nMaxCount );
2305 return strlenW(lpString);
2309 /*******************************************************************
2310 * SetWindowTextA (USER32.@)
2311 * SetWindowText (USER32.@)
2313 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2315 if (is_broadcast(hwnd))
2317 SetLastError( ERROR_INVALID_PARAMETER );
2320 if (!WIN_IsCurrentProcess( hwnd ))
2321 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2322 debugstr_a(lpString), hwnd );
2323 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2327 /*******************************************************************
2328 * SetWindowTextW (USER32.@)
2330 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2332 if (is_broadcast(hwnd))
2334 SetLastError( ERROR_INVALID_PARAMETER );
2337 if (!WIN_IsCurrentProcess( hwnd ))
2338 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2339 debugstr_w(lpString), hwnd );
2340 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2344 /*******************************************************************
2345 * GetWindowTextLengthA (USER32.@)
2347 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2349 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2352 /*******************************************************************
2353 * GetWindowTextLengthW (USER32.@)
2355 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2357 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2361 /*******************************************************************
2362 * IsWindow (USER32.@)
2364 BOOL WINAPI IsWindow( HWND hwnd )
2369 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2370 if (ptr == WND_DESKTOP) return TRUE;
2372 if (ptr != WND_OTHER_PROCESS)
2374 WIN_ReleasePtr( ptr );
2378 /* check other processes */
2379 SERVER_START_REQ( get_window_info )
2382 ret = !wine_server_call_err( req );
2389 /***********************************************************************
2390 * GetWindowThreadProcessId (USER32.@)
2392 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2397 if (!(ptr = WIN_GetPtr( hwnd )))
2399 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2403 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2405 /* got a valid window */
2407 if (process) *process = GetCurrentProcessId();
2408 WIN_ReleasePtr( ptr );
2412 /* check other processes */
2413 SERVER_START_REQ( get_window_info )
2416 if (!wine_server_call_err( req ))
2418 tid = (DWORD)reply->tid;
2419 if (process) *process = (DWORD)reply->pid;
2427 /*****************************************************************
2428 * GetParent (USER32.@)
2430 HWND WINAPI GetParent( HWND hwnd )
2435 if (!(wndPtr = WIN_GetPtr( hwnd )))
2437 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2440 if (wndPtr == WND_DESKTOP) return 0;
2441 if (wndPtr == WND_OTHER_PROCESS)
2443 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2444 if (style & (WS_POPUP | WS_CHILD))
2446 SERVER_START_REQ( get_window_tree )
2449 if (!wine_server_call_err( req ))
2451 if (style & WS_POPUP) retvalue = reply->owner;
2452 else if (style & WS_CHILD) retvalue = reply->parent;
2460 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2461 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2462 WIN_ReleasePtr( wndPtr );
2468 /*****************************************************************
2469 * GetAncestor (USER32.@)
2471 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2474 HWND *list, ret = 0;
2479 if (!(win = WIN_GetPtr( hwnd )))
2481 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2484 if (win == WND_DESKTOP) return 0;
2485 if (win != WND_OTHER_PROCESS)
2488 WIN_ReleasePtr( win );
2490 else /* need to query the server */
2492 SERVER_START_REQ( get_window_tree )
2495 if (!wine_server_call_err( req )) ret = reply->parent;
2502 if (!(list = list_window_parents( hwnd ))) return 0;
2504 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2508 while (list[count]) count++;
2509 ret = list[count - 2]; /* get the one before the desktop */
2511 HeapFree( GetProcessHeap(), 0, list );
2515 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2518 HWND parent = GetParent( ret );
2528 /*****************************************************************
2529 * SetParent (USER32.@)
2531 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2535 if (is_broadcast(hwnd) || is_broadcast(parent))
2537 SetLastError(ERROR_INVALID_PARAMETER);
2541 if (!parent) parent = GetDesktopWindow();
2542 else parent = WIN_GetFullHandle( parent );
2544 if (!IsWindow( parent ))
2546 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2550 /* Some applications try to set a child as a parent */
2551 if (IsChild(hwnd, parent))
2553 SetLastError( ERROR_INVALID_PARAMETER );
2557 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2558 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2560 return USER_Driver->pSetParent( full_handle, parent );
2564 /*******************************************************************
2565 * IsChild (USER32.@)
2567 BOOL WINAPI IsChild( HWND parent, HWND child )
2569 HWND *list = list_window_parents( child );
2573 if (!list) return FALSE;
2574 parent = WIN_GetFullHandle( parent );
2575 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2576 ret = (list[i] != 0);
2577 HeapFree( GetProcessHeap(), 0, list );
2582 /***********************************************************************
2583 * IsWindowVisible (USER32.@)
2585 BOOL WINAPI IsWindowVisible( HWND hwnd )
2591 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2592 if (!(list = list_window_parents( hwnd ))) return TRUE;
2593 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2595 for (i = 0; list[i+1]; i++)
2596 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2597 retval = !list[i+1];
2599 HeapFree( GetProcessHeap(), 0, list );
2604 /***********************************************************************
2605 * WIN_IsWindowDrawable
2607 * hwnd is drawable when it is visible, all parents are not
2608 * minimized, and it is itself not minimized unless we are
2609 * trying to draw its default class icon.
2611 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2616 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2618 if (!(style & WS_VISIBLE)) return FALSE;
2619 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2621 if (!(list = list_window_parents( hwnd ))) return TRUE;
2622 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2624 for (i = 0; list[i+1]; i++)
2625 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2627 retval = !list[i+1];
2629 HeapFree( GetProcessHeap(), 0, list );
2634 /*******************************************************************
2635 * GetTopWindow (USER32.@)
2637 HWND WINAPI GetTopWindow( HWND hwnd )
2639 if (!hwnd) hwnd = GetDesktopWindow();
2640 return GetWindow( hwnd, GW_CHILD );
2644 /*******************************************************************
2645 * GetWindow (USER32.@)
2647 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2651 if (rel == GW_OWNER) /* this one may be available locally */
2653 WND *wndPtr = WIN_GetPtr( hwnd );
2656 SetLastError( ERROR_INVALID_HANDLE );
2659 if (wndPtr == WND_DESKTOP) return 0;
2660 if (wndPtr != WND_OTHER_PROCESS)
2662 retval = wndPtr->owner;
2663 WIN_ReleasePtr( wndPtr );
2666 /* else fall through to server call */
2669 SERVER_START_REQ( get_window_tree )
2672 if (!wine_server_call_err( req ))
2677 retval = reply->first_sibling;
2680 retval = reply->last_sibling;
2683 retval = reply->next_sibling;
2686 retval = reply->prev_sibling;
2689 retval = reply->owner;
2692 retval = reply->first_child;
2702 /*******************************************************************
2703 * ShowOwnedPopups (USER32.@)
2705 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2709 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2711 if (!win_array) return TRUE;
2713 while (win_array[count]) count++;
2714 while (--count >= 0)
2716 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2717 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2718 if (pWnd == WND_OTHER_PROCESS) continue;
2721 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2723 WIN_ReleasePtr( pWnd );
2724 /* In Windows, ShowOwnedPopups(TRUE) generates
2725 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2726 * regardless of the state of the owner
2728 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2734 if (pWnd->dwStyle & WS_VISIBLE)
2736 WIN_ReleasePtr( pWnd );
2737 /* In Windows, ShowOwnedPopups(FALSE) generates
2738 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2739 * regardless of the state of the owner
2741 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2745 WIN_ReleasePtr( pWnd );
2747 HeapFree( GetProcessHeap(), 0, win_array );
2752 /*******************************************************************
2753 * GetLastActivePopup (USER32.@)
2755 HWND WINAPI GetLastActivePopup( HWND hwnd )
2759 SERVER_START_REQ( get_window_info )
2762 if (!wine_server_call_err( req )) retval = reply->last_active;
2769 /*******************************************************************
2772 * Build an array of the children of a given window. The array must be
2773 * freed with HeapFree. Returns NULL when no windows are found.
2775 HWND *WIN_ListChildren( HWND hwnd )
2777 return list_window_children( hwnd, 0, 0 );
2781 /*******************************************************************
2782 * EnumWindows (USER32.@)
2784 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2790 USER_CheckNotLock();
2792 /* We have to build a list of all windows first, to avoid */
2793 /* unpleasant side-effects, for instance if the callback */
2794 /* function changes the Z-order of the windows. */
2796 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2798 /* Now call the callback function for every window */
2800 for (i = 0; list[i]; i++)
2802 /* Make sure that the window still exists */
2803 if (!IsWindow( list[i] )) continue;
2804 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2806 HeapFree( GetProcessHeap(), 0, list );
2811 /**********************************************************************
2812 * EnumThreadWindows (USER32.@)
2814 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2819 USER_CheckNotLock();
2821 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2823 /* Now call the callback function for every window */
2825 for (i = 0; list[i]; i++)
2826 if (!func( list[i], lParam )) break;
2827 HeapFree( GetProcessHeap(), 0, list );
2832 /**********************************************************************
2833 * WIN_EnumChildWindows
2835 * Helper function for EnumChildWindows().
2837 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2842 for ( ; *list; list++)
2844 /* Make sure that the window still exists */
2845 if (!IsWindow( *list )) continue;
2846 /* Build children list first */
2847 childList = WIN_ListChildren( *list );
2849 ret = func( *list, lParam );
2853 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
2854 HeapFree( GetProcessHeap(), 0, childList );
2856 if (!ret) return FALSE;
2862 /**********************************************************************
2863 * EnumChildWindows (USER32.@)
2865 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
2870 USER_CheckNotLock();
2872 if (!(list = WIN_ListChildren( parent ))) return FALSE;
2873 ret = WIN_EnumChildWindows( list, func, lParam );
2874 HeapFree( GetProcessHeap(), 0, list );
2879 /*******************************************************************
2880 * AnyPopup (USER.52)
2882 BOOL16 WINAPI AnyPopup16(void)
2888 /*******************************************************************
2889 * AnyPopup (USER32.@)
2891 BOOL WINAPI AnyPopup(void)
2895 HWND *list = WIN_ListChildren( GetDesktopWindow() );
2897 if (!list) return FALSE;
2898 for (i = 0; list[i]; i++)
2900 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
2902 retvalue = (list[i] != 0);
2903 HeapFree( GetProcessHeap(), 0, list );
2908 /*******************************************************************
2909 * FlashWindow (USER32.@)
2911 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
2915 TRACE("%p\n", hWnd);
2917 if (IsIconic( hWnd ))
2919 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
2921 wndPtr = WIN_GetPtr(hWnd);
2922 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2923 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
2925 wndPtr->flags |= WIN_NCACTIVATED;
2929 wndPtr->flags &= ~WIN_NCACTIVATED;
2931 WIN_ReleasePtr( wndPtr );
2938 wndPtr = WIN_GetPtr(hWnd);
2939 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2940 hWnd = wndPtr->hwndSelf; /* make it a full handle */
2942 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
2943 else wparam = (hWnd == GetForegroundWindow());
2945 WIN_ReleasePtr( wndPtr );
2946 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
2951 /*******************************************************************
2952 * FlashWindowEx (USER32.@)
2954 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
2956 FIXME("%p\n", pfwi);
2960 /*******************************************************************
2961 * GetWindowContextHelpId (USER32.@)
2963 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
2966 WND *wnd = WIN_GetPtr( hwnd );
2967 if (!wnd || wnd == WND_DESKTOP) return 0;
2968 if (wnd == WND_OTHER_PROCESS)
2970 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
2973 retval = wnd->helpContext;
2974 WIN_ReleasePtr( wnd );
2979 /*******************************************************************
2980 * SetWindowContextHelpId (USER32.@)
2982 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
2984 WND *wnd = WIN_GetPtr( hwnd );
2985 if (!wnd || wnd == WND_DESKTOP) return FALSE;
2986 if (wnd == WND_OTHER_PROCESS)
2988 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
2991 wnd->helpContext = id;
2992 WIN_ReleasePtr( wnd );
2997 /*******************************************************************
2998 * DragDetect (USER32.@)
3000 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3004 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3005 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3007 rect.left = pt.x - wDragWidth;
3008 rect.right = pt.x + wDragWidth;
3010 rect.top = pt.y - wDragHeight;
3011 rect.bottom = pt.y + wDragHeight;
3017 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3019 if( msg.message == WM_LBUTTONUP )
3024 if( msg.message == WM_MOUSEMOVE )
3027 tmp.x = (short)LOWORD(msg.lParam);
3028 tmp.y = (short)HIWORD(msg.lParam);
3029 if( !PtInRect( &rect, tmp ))
3041 /******************************************************************************
3042 * GetWindowModuleFileNameA (USER32.@)
3044 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3046 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3047 hwnd, lpszFileName, cchFileNameMax);
3051 /******************************************************************************
3052 * GetWindowModuleFileNameW (USER32.@)
3054 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3056 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3057 hwnd, lpszFileName, cchFileNameMax);
3061 /******************************************************************************
3062 * GetWindowInfo (USER32.@)
3064 * Note: tests show that Windows doesn't check cbSize of the structure.
3066 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3068 if (!pwi) return FALSE;
3069 if (!IsWindow(hwnd)) return FALSE;
3071 GetWindowRect(hwnd, &pwi->rcWindow);
3072 GetClientRect(hwnd, &pwi->rcClient);
3073 /* translate to screen coordinates */
3074 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3076 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3077 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3078 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3080 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3081 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3083 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3084 pwi->wCreatorVersion = 0x0400;
3089 /******************************************************************************
3090 * SwitchDesktop (USER32.@)
3092 * NOTES: Sets the current input or interactive desktop.
3094 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3096 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);
3100 /*****************************************************************************
3101 * SetLayeredWindowAttributes (USER32.@)
3103 BOOL WINAPI SetLayeredWindowAttributes( HWND hWnd, COLORREF rgbKey,
3104 BYTE bAlpha, DWORD dwFlags )
3106 FIXME("(%p,0x%.8x,%d,%d): stub!\n", hWnd, rgbKey, bAlpha, dwFlags);
3110 /*****************************************************************************
3111 * UpdateLayeredWindow (USER32.@)
3113 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3114 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3121 FIXME("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%d): stub!\n",
3122 hwnd, hdcDst, pptDst, psize, hdcSrc, pptSrc, crKey, pblend, dwFlags);
3127 /* 64bit versions */
3129 #ifdef GetWindowLongPtrW
3130 #undef GetWindowLongPtrW
3133 #ifdef GetWindowLongPtrA
3134 #undef GetWindowLongPtrA
3137 #ifdef SetWindowLongPtrW
3138 #undef SetWindowLongPtrW
3141 #ifdef SetWindowLongPtrA
3142 #undef SetWindowLongPtrA
3145 /*****************************************************************************
3146 * GetWindowLongPtrW (USER32.@)
3148 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3150 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3153 /*****************************************************************************
3154 * GetWindowLongPtrA (USER32.@)
3156 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3158 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3161 /*****************************************************************************
3162 * SetWindowLongPtrW (USER32.@)
3164 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3166 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3169 /*****************************************************************************
3170 * SetWindowLongPtrA (USER32.@)
3172 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3174 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );