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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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"
38 #include "cursoricon.h"
41 #include "wine/debug.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(win);
44 WINE_DECLARE_DEBUG_CHANNEL(msg);
46 #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
47 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
49 /**********************************************************************/
52 static HWND hwndDesktop;
54 static WORD wDragWidth = 4;
55 static WORD wDragHeight= 3;
57 static void *user_handles[NB_USER_HANDLES];
59 /***********************************************************************
60 * create_window_handle
62 * Create a window handle with the server.
64 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
65 HINSTANCE instance, WINDOWPROCTYPE type )
69 struct tagCLASS *class = NULL;
70 user_handle_t handle = 0;
73 /* if 16-bit instance, map to module handle */
74 if (instance && !HIWORD(instance))
75 instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
77 SERVER_START_REQ( create_window )
82 req->instance = instance;
83 if (!wine_server_call_err( req ))
85 handle = reply->handle;
86 extra_bytes = reply->extra;
87 class = reply->class_ptr;
94 WARN( "error %ld creating window\n", GetLastError() );
98 if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
100 SERVER_START_REQ( destroy_window )
102 req->handle = handle;
103 wine_server_call( req );
106 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
112 index = USER_HANDLE_TO_INDEX(handle);
113 assert( index < NB_USER_HANDLES );
114 user_handles[index] = win;
115 win->hwndSelf = handle;
116 win->dwMagic = WND_MAGIC;
117 win->cbWndExtra = extra_bytes;
118 memset( win->wExtra, 0, extra_bytes );
119 CLASS_AddWindow( class, win, type );
124 /***********************************************************************
127 * Free a window handle.
129 static WND *free_window_handle( HWND hwnd )
132 WORD index = USER_HANDLE_TO_INDEX(hwnd);
134 if (index >= NB_USER_HANDLES) return NULL;
136 if ((ptr = user_handles[index]))
138 SERVER_START_REQ( destroy_window )
141 if (!wine_server_call_err( req ))
142 user_handles[index] = NULL;
150 HeapFree( GetProcessHeap(), 0, ptr );
155 /*******************************************************************
156 * list_window_children
158 * Build an array of the children of a given window. The array must be
159 * freed with HeapFree. Returns NULL when no windows are found.
161 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
170 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
172 SERVER_START_REQ( get_window_children )
177 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
178 if (!wine_server_call( req )) count = reply->count;
181 if (count && count < size)
186 HeapFree( GetProcessHeap(), 0, list );
188 size = count + 1; /* restart with a large enough buffer */
194 /*******************************************************************
195 * list_window_parents
197 * Build an array of all parents of a given window, starting with
198 * the immediate parent. The array must be freed with HeapFree.
199 * Returns NULL if window is a top-level window.
201 static HWND *list_window_parents( HWND hwnd )
205 int pos = 0, size = 16, count = 0;
207 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
212 if (!(win = WIN_GetPtr( current ))) goto empty;
213 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
214 if (win == WND_DESKTOP)
216 if (!pos) goto empty;
220 list[pos] = current = win->parent;
221 WIN_ReleasePtr( win );
222 if (++pos == size - 1)
224 /* need to grow the list */
225 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
226 if (!new_list) goto empty;
232 /* at least one parent belongs to another process, have to query the server */
237 SERVER_START_REQ( get_window_parents )
240 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
241 if (!wine_server_call( req )) count = reply->count;
244 if (!count) goto empty;
250 HeapFree( GetProcessHeap(), 0, list );
252 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
256 HeapFree( GetProcessHeap(), 0, list );
261 /*******************************************************************
264 static void send_parent_notify( HWND hwnd, UINT msg )
266 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
267 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
268 SendMessageW( GetParent(hwnd), WM_PARENTNOTIFY,
269 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
273 /*******************************************************************
274 * get_server_window_text
276 * Retrieve the window text from the server.
278 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
282 SERVER_START_REQ( get_window_text )
285 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
286 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
289 text[len / sizeof(WCHAR)] = 0;
293 /***********************************************************************
296 * Return a pointer to the WND structure if local to the process,
297 * or WND_OTHER_PROCESS if handle may be valid in other process.
298 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
300 WND *WIN_GetPtr( HWND hwnd )
303 WORD index = USER_HANDLE_TO_INDEX(hwnd);
305 if (index >= NB_USER_HANDLES) return NULL;
308 if ((ptr = user_handles[index]))
310 if (ptr->dwMagic == WND_MAGIC &&
311 (hwnd == ptr->hwndSelf || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff))
315 else if (index == USER_HANDLE_TO_INDEX(hwndDesktop))
317 if (hwnd == GetDesktopWindow() || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff) ptr = WND_DESKTOP;
320 else ptr = WND_OTHER_PROCESS;
326 /***********************************************************************
327 * WIN_IsCurrentProcess
329 * Check whether a given window belongs to the current process (and return the full handle).
331 HWND WIN_IsCurrentProcess( HWND hwnd )
336 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
338 WIN_ReleasePtr( ptr );
343 /***********************************************************************
344 * WIN_IsCurrentThread
346 * Check whether a given window belongs to the current thread (and return the full handle).
348 HWND WIN_IsCurrentThread( HWND hwnd )
353 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
354 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
355 WIN_ReleasePtr( ptr );
360 /***********************************************************************
363 * Convert a 16-bit window handle to a full 32-bit handle.
365 HWND WIN_Handle32( HWND16 hwnd16 )
368 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
370 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
371 /* do sign extension for -2 and -3 */
372 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
374 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
376 if (ptr == WND_DESKTOP) return GetDesktopWindow();
378 if (ptr != WND_OTHER_PROCESS)
380 hwnd = ptr->hwndSelf;
381 WIN_ReleasePtr( ptr );
383 else /* may belong to another process */
385 SERVER_START_REQ( get_window_info )
388 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
396 /***********************************************************************
399 * Change the owner of a window.
401 HWND WIN_SetOwner( HWND hwnd, HWND owner )
403 WND *win = WIN_GetPtr( hwnd );
406 if (!win || win == WND_DESKTOP) return 0;
407 if (win == WND_OTHER_PROCESS)
409 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
412 SERVER_START_REQ( set_window_owner )
416 if (!wine_server_call( req ))
418 win->owner = reply->full_owner;
419 ret = reply->prev_owner;
423 WIN_ReleasePtr( win );
428 /***********************************************************************
431 * Change the style of a window.
433 ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
436 ULONG new_style, old_style = 0;
437 WND *win = WIN_GetPtr( hwnd );
439 if (!win || win == WND_DESKTOP) return 0;
440 if (win == WND_OTHER_PROCESS)
443 ERR( "cannot set style %lx/%lx on other process window %p\n",
444 set_bits, clear_bits, hwnd );
447 new_style = (win->dwStyle | set_bits) & ~clear_bits;
448 if (new_style == win->dwStyle)
450 WIN_ReleasePtr( win );
453 SERVER_START_REQ( set_window_info )
456 req->flags = SET_WIN_STYLE;
457 req->style = new_style;
458 req->extra_offset = -1;
459 if ((ok = !wine_server_call( req )))
461 old_style = reply->old_style;
462 win->dwStyle = new_style;
466 WIN_ReleasePtr( win );
467 if (ok && USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, old_style );
472 /***********************************************************************
475 * Get the window and client rectangles.
477 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
479 WND *win = WIN_GetPtr( hwnd );
482 if (!win) return FALSE;
483 if (win == WND_DESKTOP)
486 rect.left = rect.top = 0;
487 rect.right = GetSystemMetrics(SM_CXSCREEN);
488 rect.bottom = GetSystemMetrics(SM_CYSCREEN);
489 if (rectWindow) *rectWindow = rect;
490 if (rectClient) *rectClient = rect;
492 else if (win == WND_OTHER_PROCESS)
494 SERVER_START_REQ( get_window_rectangles )
497 if ((ret = !wine_server_call( req )))
501 rectWindow->left = reply->window.left;
502 rectWindow->top = reply->window.top;
503 rectWindow->right = reply->window.right;
504 rectWindow->bottom = reply->window.bottom;
508 rectClient->left = reply->client.left;
509 rectClient->top = reply->client.top;
510 rectClient->right = reply->client.right;
511 rectClient->bottom = reply->client.bottom;
519 if (rectWindow) *rectWindow = win->rectWindow;
520 if (rectClient) *rectClient = win->rectClient;
521 WIN_ReleasePtr( win );
527 /***********************************************************************
530 * Destroy storage associated to a window. "Internals" p.358
532 LRESULT WIN_DestroyWindow( HWND hwnd )
536 HMENU menu = 0, sys_menu;
538 TRACE("%p\n", hwnd );
540 /* free child windows */
541 if ((list = WIN_ListChildren( hwnd )))
544 for (i = 0; list[i]; i++)
546 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
547 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
549 HeapFree( GetProcessHeap(), 0, list );
552 /* Unlink now so we won't bother with the children later on */
553 SERVER_START_REQ( set_parent )
557 wine_server_call( req );
562 * Send the WM_NCDESTROY to the window being destroyed.
564 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
566 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
568 WINPOS_CheckInternalPos( hwnd );
570 /* free resources associated with the window */
572 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
573 if (!(wndPtr->dwStyle & WS_CHILD)) menu = (HMENU)wndPtr->wIDmenu;
574 sys_menu = wndPtr->hSysMenu;
575 WIN_ReleasePtr( wndPtr );
577 if (menu) DestroyMenu( menu );
578 if (sys_menu) DestroyMenu( sys_menu );
580 if (USER_Driver.pDestroyWindow) USER_Driver.pDestroyWindow( hwnd );
582 free_window_handle( hwnd );
586 /***********************************************************************
587 * WIN_DestroyThreadWindows
589 * Destroy all children of 'wnd' owned by the current thread.
590 * Return TRUE if something was done.
592 void WIN_DestroyThreadWindows( HWND hwnd )
597 if (!(list = WIN_ListChildren( hwnd ))) return;
598 for (i = 0; list[i]; i++)
600 if (WIN_IsCurrentThread( list[i] ))
601 DestroyWindow( list[i] );
603 WIN_DestroyThreadWindows( list[i] );
605 HeapFree( GetProcessHeap(), 0, list );
608 /***********************************************************************
609 * WIN_CreateDesktopWindow
611 * Create the desktop window.
613 BOOL WIN_CreateDesktopWindow(void)
617 TRACE("Creating desktop window\n");
619 if (!WINPOS_CreateInternalPosAtom()) return FALSE;
621 SERVER_START_REQ( create_window )
625 req->atom = LOWORD(DESKTOP_CLASS_ATOM);
627 if (!wine_server_call_err( req )) hwndDesktop = reply->handle;
633 ERR( "error %ld creating desktop window\n", GetLastError() );
637 cs.lpCreateParams = NULL;
643 cs.cx = GetSystemMetrics( SM_CXSCREEN );
644 cs.cy = GetSystemMetrics( SM_CYSCREEN );
645 cs.style = WS_POPUP | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
648 cs.lpszClass = DESKTOP_CLASS_ATOM;
650 return USER_Driver.pCreateWindow( hwndDesktop, &cs, TRUE );
654 /***********************************************************************
657 * Fix the coordinates - Helper for WIN_CreateWindowEx.
658 * returns default show mode in sw.
659 * Note: the feature presented as undocumented *is* in the MSDN since 1993.
661 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
665 if (cs->dwExStyle & WS_EX_MDICHILD)
669 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
670 if (!(cs->style & WS_POPUP)) cs->hMenu = (HMENU)id;
672 TRACE("MDI child id %04x\n", id);
675 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16 ||
676 cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
678 if (cs->style & (WS_CHILD | WS_POPUP))
680 if (cs->dwExStyle & WS_EX_MDICHILD)
682 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
687 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16 || !cs->cx)
689 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16 || !cs->cy)
694 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
696 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
700 else /* overlapped window */
704 GetStartupInfoW( &info );
706 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
708 /* Never believe Microsoft's documentation... CreateWindowEx doc says
709 * that if an overlapped window is created with WS_VISIBLE style bit
710 * set and the x parameter is set to CW_USEDEFAULT, the system ignores
711 * the y parameter. However, disassembling NT implementation (WIN32K.SYS)
714 * 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
715 * 2) it does not ignore the y parameter as the docs claim; instead, it
716 * uses it as second parameter to ShowWindow() unless y is either
717 * CW_USEDEFAULT or CW_USEDEFAULT16.
719 * The fact that we didn't do 2) caused bogus windows pop up when wine
720 * was running apps that were using this obscure feature. Example -
721 * calc.exe that comes with Win98 (only Win98, it's different from
722 * the one that comes with Win95 and NT)
724 if (cs->y != CW_USEDEFAULT && cs->y != CW_USEDEFAULT16) *sw = cs->y;
725 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : 0;
726 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : 0;
729 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
731 if (info.dwFlags & STARTF_USESIZE)
733 cs->cx = info.dwXSize;
734 cs->cy = info.dwYSize;
736 else /* if no other hint from the app, pick 3/4 of the screen real estate */
739 SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
740 cs->cx = (((r.right - r.left) * 3) / 4) - cs->x;
741 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
744 /* Handle case where only the cy values is set to default */
745 else if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16)
748 SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
749 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
755 /* neither x nor cx are default. Check the y values .
756 * In the trace we see Outlook and Outlook Express using
757 * cy set to CW_USEDEFAULT when opening the address book.
759 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16) {
761 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
762 SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
763 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
768 /***********************************************************************
771 static void dump_window_styles( DWORD style, DWORD exstyle )
774 if(style & WS_POPUP) TRACE(" WS_POPUP");
775 if(style & WS_CHILD) TRACE(" WS_CHILD");
776 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
777 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
778 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
779 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
780 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
781 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
782 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
785 if(style & WS_BORDER) TRACE(" WS_BORDER");
786 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
788 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
789 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
790 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
791 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
792 if(style & WS_GROUP) TRACE(" WS_GROUP");
793 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
794 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
795 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
797 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
798 #define DUMPED_STYLES \
818 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
823 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
824 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
825 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
826 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
827 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
828 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
829 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
830 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
831 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
832 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
833 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
834 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
835 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
836 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
837 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
838 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
839 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
840 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
842 #define DUMPED_EX_STYLES \
843 (WS_EX_DLGMODALFRAME | \
845 WS_EX_NOPARENTNOTIFY | \
847 WS_EX_ACCEPTFILES | \
848 WS_EX_TRANSPARENT | \
853 WS_EX_CONTEXTHELP | \
856 WS_EX_LEFTSCROLLBAR | \
857 WS_EX_CONTROLPARENT | \
862 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
864 #undef DUMPED_EX_STYLES
868 /***********************************************************************
871 * Implementation of CreateWindowEx().
873 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
874 WINDOWPROCTYPE type )
878 HWND hwnd, parent, owner, top_child = 0;
879 BOOL unicode = (type == WIN_PROC_32W);
881 TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
882 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
883 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
884 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
885 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
887 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
889 TRACE("winproc type is %d (%s)\n", type, (type == WIN_PROC_16) ? "WIN_PROC_16" :
890 ((type == WIN_PROC_32A) ? "WIN_PROC_32A" : "WIN_PROC_32W") );
892 /* Fix the styles for MDI children */
893 if (cs->dwExStyle & WS_EX_MDICHILD)
895 MDICREATESTRUCTA mdi_cs;
898 wndPtr = WIN_GetPtr(cs->hwndParent);
899 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
901 flags = wndPtr->flags;
902 WIN_ReleasePtr(wndPtr);
905 if (!(flags & WIN_ISMDICLIENT))
907 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
911 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
912 * MDICREATESTRUCT members have the originally passed values.
914 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
915 * have the same layout.
917 mdi_cs.szClass = cs->lpszClass;
918 mdi_cs.szTitle = cs->lpszName;
919 mdi_cs.hOwner = cs->hInstance;
924 mdi_cs.style = cs->style;
925 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
927 cs->lpCreateParams = (LPVOID)&mdi_cs;
929 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
931 if (cs->style & WS_POPUP)
933 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
936 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
940 cs->style &= ~WS_POPUP;
941 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
942 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
945 top_child = GetWindow(cs->hwndParent, GW_CHILD);
949 /* Restore current maximized child */
950 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
952 TRACE("Restoring current maximized child %p\n", top_child);
953 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
954 ShowWindow(top_child, SW_RESTORE);
955 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
960 /* Find the parent window */
962 parent = GetDesktopWindow();
965 if (cs->hwndParent == HWND_MESSAGE)
967 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
968 * message window (style: WS_POPUP|WS_DISABLED)
970 FIXME("Parent is HWND_MESSAGE\n");
972 else if (cs->hwndParent)
974 /* Make sure parent is valid */
975 if (!IsWindow( cs->hwndParent ))
977 WARN("Bad parent %p\n", cs->hwndParent );
980 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
981 parent = WIN_GetFullHandle(cs->hwndParent);
983 owner = GetAncestor( cs->hwndParent, GA_ROOT );
985 else if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
987 WARN("No parent for child window\n" );
988 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
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, classAtom, cs->hInstance, type )))
1004 TRACE("out of memory\n" );
1007 hwnd = wndPtr->hwndSelf;
1009 /* Fill the window structure */
1011 wndPtr->tid = GetCurrentThreadId();
1012 wndPtr->owner = owner;
1013 wndPtr->parent = parent;
1014 wndPtr->hInstance = cs->hInstance;
1015 wndPtr->text = NULL;
1016 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1017 wndPtr->dwExStyle = cs->dwExStyle;
1018 wndPtr->wIDmenu = 0;
1019 wndPtr->helpContext = 0;
1020 wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32;
1021 wndPtr->pVScroll = NULL;
1022 wndPtr->pHScroll = NULL;
1023 wndPtr->userdata = 0;
1025 wndPtr->hIconSmall = 0;
1026 wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, (HMENU)-1 ) : 0;
1029 * Correct the window styles.
1031 * It affects only the style loaded into the WIN structure.
1034 if (!(wndPtr->dwStyle & WS_CHILD))
1036 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1037 if (!(wndPtr->dwStyle & WS_POPUP))
1038 wndPtr->dwStyle |= WS_CAPTION;
1042 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1043 * why does the user get to set it?
1046 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1047 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1048 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1050 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1052 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1053 wndPtr->flags |= WIN_NEED_SIZE;
1055 SERVER_START_REQ( set_window_info )
1058 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE;
1059 req->style = wndPtr->dwStyle;
1060 req->ex_style = wndPtr->dwExStyle;
1061 req->instance = (void *)wndPtr->hInstance;
1062 req->extra_offset = -1;
1063 wine_server_call( req );
1067 /* Set the window menu */
1069 if (((wndPtr->dwStyle & (WS_CAPTION|WS_CHILD)) == WS_CAPTION) ||
1070 (wndPtr->dwExStyle & WS_EX_APPWINDOW))
1072 if (cs->hMenu) MENU_SetMenu(hwnd, cs->hMenu);
1075 LPCSTR menuName = (LPCSTR)GetClassLongPtrA( hwnd, GCLP_MENUNAME );
1078 if (HIWORD(cs->hInstance))
1079 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1081 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1083 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1087 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1088 WIN_ReleasePtr( wndPtr );
1090 if (!USER_Driver.pCreateWindow || !USER_Driver.pCreateWindow( hwnd, cs, unicode))
1092 WIN_DestroyWindow( hwnd );
1096 /* Notify the parent window only */
1098 send_parent_notify( hwnd, WM_CREATE );
1099 if (!IsWindow( hwnd )) return 0;
1101 if (cs->style & WS_VISIBLE)
1103 if (cs->style & WS_MAXIMIZE)
1104 sw = SW_SHOWMAXIMIZED;
1105 else if (cs->style & WS_MINIMIZE)
1106 sw = SW_SHOWMINIMIZED;
1108 ShowWindow( hwnd, sw );
1109 if (cs->dwExStyle & WS_EX_MDICHILD)
1111 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1112 /* ShowWindow won't activate child windows */
1113 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1117 /* Call WH_SHELL hook */
1119 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1120 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1122 TRACE("created window %p\n", hwnd);
1127 /***********************************************************************
1128 * CreateWindow (USER.41)
1130 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1131 DWORD style, INT16 x, INT16 y, INT16 width,
1132 INT16 height, HWND16 parent, HMENU16 menu,
1133 HINSTANCE16 instance, LPVOID data )
1135 return CreateWindowEx16( 0, className, windowName, style,
1136 x, y, width, height, parent, menu, instance, data );
1140 /***********************************************************************
1141 * CreateWindowEx (USER.452)
1143 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1144 LPCSTR windowName, DWORD style, INT16 x,
1145 INT16 y, INT16 width, INT16 height,
1146 HWND16 parent, HMENU16 menu,
1147 HINSTANCE16 instance, LPVOID data )
1153 /* Find the class atom */
1155 if (HIWORD(className))
1157 if (!(classAtom = GlobalFindAtomA( className )))
1159 ERR( "bad class name %s\n", debugstr_a(className) );
1165 classAtom = LOWORD(className);
1166 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1168 ERR( "bad atom %x\n", classAtom);
1174 /* Fix the coordinates */
1176 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1177 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1178 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1179 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1181 /* Create the window */
1183 cs.lpCreateParams = data;
1184 cs.hInstance = HINSTANCE_32(instance);
1185 cs.hMenu = HMENU_32(menu);
1186 cs.hwndParent = WIN_Handle32( parent );
1188 cs.lpszName = windowName;
1189 cs.lpszClass = className;
1190 cs.dwExStyle = exStyle;
1192 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_16 ));
1196 /***********************************************************************
1197 * CreateWindowExA (USER32.@)
1199 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1200 LPCSTR windowName, DWORD style, INT x,
1201 INT y, INT width, INT height,
1202 HWND parent, HMENU menu,
1203 HINSTANCE instance, LPVOID data )
1209 /* Find the class atom */
1211 if (HIWORD(className))
1213 if (!(classAtom = GlobalFindAtomA( className )))
1215 ERR( "bad class name %s\n", debugstr_a(className) );
1221 classAtom = LOWORD(className);
1222 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1224 ERR( "bad atom %x\n", classAtom);
1230 /* Create the window */
1232 cs.lpCreateParams = data;
1233 cs.hInstance = instance;
1235 cs.hwndParent = parent;
1241 cs.lpszName = windowName;
1242 cs.lpszClass = className;
1243 cs.dwExStyle = exStyle;
1245 return WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_32A );
1249 /***********************************************************************
1250 * CreateWindowExW (USER32.@)
1252 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1253 LPCWSTR windowName, DWORD style, INT x,
1254 INT y, INT width, INT height,
1255 HWND parent, HMENU menu,
1256 HINSTANCE instance, LPVOID data )
1262 /* Find the class atom */
1264 if (HIWORD(className))
1266 if (!(classAtom = GlobalFindAtomW( className )))
1268 ERR( "bad class name %s\n", debugstr_w(className) );
1274 classAtom = LOWORD(className);
1275 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1277 ERR( "bad atom %x\n", classAtom);
1283 /* Create the window */
1285 cs.lpCreateParams = data;
1286 cs.hInstance = instance;
1288 cs.hwndParent = parent;
1294 cs.lpszName = windowName;
1295 cs.lpszClass = className;
1296 cs.dwExStyle = exStyle;
1298 /* Note: we rely on the fact that CREATESTRUCTA and */
1299 /* CREATESTRUCTW have the same layout. */
1300 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_PROC_32W );
1304 /***********************************************************************
1305 * WIN_SendDestroyMsg
1307 static void WIN_SendDestroyMsg( HWND hwnd )
1311 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1313 if (hwnd == info.hwndCaret) DestroyCaret();
1314 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1316 if (USER_Driver.pResetSelectionOwner)
1317 USER_Driver.pResetSelectionOwner( hwnd, TRUE );
1320 * Send the WM_DESTROY to the window.
1322 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1325 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1326 * make sure that the window still exists when we come back.
1333 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1335 for (i = 0; pWndArray[i]; i++)
1337 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1339 HeapFree( GetProcessHeap(), 0, pWndArray );
1342 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1346 /***********************************************************************
1347 * DestroyWindow (USER32.@)
1349 BOOL WINAPI DestroyWindow( HWND hwnd )
1353 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1355 SetLastError( ERROR_ACCESS_DENIED );
1359 TRACE("(%p)\n", hwnd);
1363 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1365 if (MENU_IsMenuActive() == hwnd)
1368 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1372 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1373 send_parent_notify( hwnd, WM_DESTROY );
1375 else if (!GetWindow( hwnd, GW_OWNER ))
1377 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1378 /* FIXME: clean up palette - see "Internals" p.352 */
1381 if (!IsWindow(hwnd)) return TRUE;
1383 if (USER_Driver.pResetSelectionOwner)
1384 USER_Driver.pResetSelectionOwner( hwnd, FALSE ); /* before the window is unmapped */
1386 /* Hide the window */
1387 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1389 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1391 ShowWindow( hwnd, SW_HIDE );
1393 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1394 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1397 if (!IsWindow(hwnd)) return TRUE;
1399 /* Recursively destroy owned windows */
1406 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1409 for (i = 0; list[i]; i++)
1411 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1412 if (WIN_IsCurrentThread( list[i] ))
1414 DestroyWindow( list[i] );
1418 WIN_SetOwner( list[i], 0 );
1420 HeapFree( GetProcessHeap(), 0, list );
1422 if (!got_one) break;
1426 /* Send destroy messages */
1428 WIN_SendDestroyMsg( hwnd );
1429 if (!IsWindow( hwnd )) return TRUE;
1431 if (GetClipboardOwner() == hwnd)
1432 CLIPBOARD_ReleaseOwner();
1434 /* Destroy the window storage */
1436 WIN_DestroyWindow( hwnd );
1441 /***********************************************************************
1442 * CloseWindow (USER32.@)
1444 BOOL WINAPI CloseWindow( HWND hwnd )
1446 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1447 ShowWindow( hwnd, SW_MINIMIZE );
1452 /***********************************************************************
1453 * OpenIcon (USER32.@)
1455 BOOL WINAPI OpenIcon( HWND hwnd )
1457 if (!IsIconic( hwnd )) return FALSE;
1458 ShowWindow( hwnd, SW_SHOWNORMAL );
1463 /***********************************************************************
1466 * Implementation of FindWindow() and FindWindowEx().
1468 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1473 WCHAR *buffer = NULL;
1475 if (!parent) parent = GetDesktopWindow();
1478 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1479 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1482 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1486 child = WIN_GetFullHandle( child );
1487 while (list[i] && list[i] != child) i++;
1488 if (!list[i]) goto done;
1489 i++; /* start from next window */
1496 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1503 HeapFree( GetProcessHeap(), 0, list );
1504 HeapFree( GetProcessHeap(), 0, buffer );
1510 /***********************************************************************
1511 * FindWindowA (USER32.@)
1513 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1515 HWND ret = FindWindowExA( 0, 0, className, title );
1516 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1521 /***********************************************************************
1522 * FindWindowExA (USER32.@)
1524 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1525 LPCSTR className, LPCSTR title )
1534 /* If the atom doesn't exist, then no class */
1535 /* with this name exists either. */
1536 if (!(atom = GlobalFindAtomA( className )))
1538 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1542 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1544 len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1545 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1546 MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
1547 hwnd = WIN_FindWindow( parent, child, atom, buffer );
1548 HeapFree( GetProcessHeap(), 0, buffer );
1553 /***********************************************************************
1554 * FindWindowExW (USER32.@)
1556 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1557 LPCWSTR className, LPCWSTR title )
1563 /* If the atom doesn't exist, then no class */
1564 /* with this name exists either. */
1565 if (!(atom = GlobalFindAtomW( className )))
1567 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1571 return WIN_FindWindow( parent, child, atom, title );
1575 /***********************************************************************
1576 * FindWindowW (USER32.@)
1578 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1580 return FindWindowExW( 0, 0, className, title );
1584 /**********************************************************************
1585 * GetDesktopWindow (USER32.@)
1587 HWND WINAPI GetDesktopWindow(void)
1589 if (hwndDesktop) return hwndDesktop;
1590 ERR( "Wine init error: either you're trying to use an invalid native USER.EXE config, or some graphics/GUI libraries or DLLs didn't initialize properly. Aborting.\n" );
1596 /*******************************************************************
1597 * EnableWindow (USER32.@)
1599 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1604 if (is_broadcast(hwnd))
1606 SetLastError( ERROR_INVALID_PARAMETER );
1610 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1611 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1615 TRACE("( %p, %d )\n", hwnd, enable);
1617 retvalue = !IsWindowEnabled( hwnd );
1619 if (enable && retvalue)
1621 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1622 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1624 else if (!enable && !retvalue)
1628 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1630 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1632 if (hwnd == GetFocus())
1633 SetFocus( 0 ); /* A disabled window can't have the focus */
1635 capture_wnd = GetCapture();
1636 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1637 ReleaseCapture(); /* A disabled window can't capture the mouse */
1639 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1645 /***********************************************************************
1646 * IsWindowEnabled (USER32.@)
1648 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1650 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1654 /***********************************************************************
1655 * IsWindowUnicode (USER32.@)
1657 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1662 if (!(wndPtr = WIN_GetPtr(hwnd)) || wndPtr == WND_OTHER_PROCESS) return FALSE;
1663 if (wndPtr == WND_DESKTOP) return TRUE;
1664 retvalue = (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W);
1665 WIN_ReleasePtr( wndPtr );
1670 /**********************************************************************
1671 * GetWindowWord (USER32.@)
1673 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
1678 WND *wndPtr = WIN_GetPtr( hwnd );
1681 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1684 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1686 SERVER_START_REQ( set_window_info )
1689 req->flags = 0; /* don't set anything, just retrieve */
1690 req->extra_offset = offset;
1691 req->extra_size = sizeof(retvalue);
1692 if (!wine_server_call_err( req ))
1693 memcpy( &retvalue, &reply->old_extra_value, sizeof(retvalue) );
1698 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1700 WARN("Invalid offset %d\n", offset );
1701 SetLastError( ERROR_INVALID_INDEX );
1703 else memcpy( &retvalue, (char *)wndPtr->wExtra + offset, sizeof(retvalue) );
1704 WIN_ReleasePtr( wndPtr );
1710 case GWLP_HWNDPARENT:
1711 return GetWindowLongPtrW( hwnd, offset );
1713 case GWLP_HINSTANCE:
1715 LONG_PTR ret = GetWindowLongPtrW( hwnd, offset );
1717 WARN("%d: discards high bits of 0x%08lx!\n", offset, ret );
1721 WARN("Invalid offset %d\n", offset );
1727 /**********************************************************************
1728 * SetWindowWord (USER32.@)
1730 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
1738 case GWLP_HINSTANCE:
1739 case GWLP_HWNDPARENT:
1740 return SetWindowLongPtrW( hwnd, offset, (ULONG_PTR)newval );
1744 WARN("Invalid offset %d\n", offset );
1745 SetLastError( ERROR_INVALID_INDEX );
1750 wndPtr = WIN_GetPtr( hwnd );
1751 if (wndPtr == WND_DESKTOP)
1753 SetLastError( ERROR_ACCESS_DENIED );
1756 if (wndPtr == WND_OTHER_PROCESS)
1759 FIXME( "set %d <- %x not supported yet on other process window %p\n",
1760 offset, newval, hwnd );
1765 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1769 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1771 WARN("Invalid offset %d\n", offset );
1772 WIN_ReleasePtr(wndPtr);
1773 SetLastError( ERROR_INVALID_INDEX );
1777 SERVER_START_REQ( set_window_info )
1780 req->flags = SET_WIN_EXTRA;
1781 req->extra_offset = offset;
1782 req->extra_size = sizeof(newval);
1783 memcpy( &req->extra_value, &newval, sizeof(newval) );
1784 if (!wine_server_call_err( req ))
1786 void *ptr = (char *)wndPtr->wExtra + offset;
1787 memcpy( &retval, ptr, sizeof(retval) );
1788 memcpy( ptr, &newval, sizeof(newval) );
1792 WIN_ReleasePtr( wndPtr );
1797 /**********************************************************************
1800 * Helper function for GetWindowLong().
1802 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type )
1804 LONG_PTR retvalue = 0;
1807 if (offset == GWLP_HWNDPARENT)
1809 HWND parent = GetAncestor( hwnd, GA_PARENT );
1810 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1811 return (ULONG_PTR)parent;
1814 if (!(wndPtr = WIN_GetPtr( hwnd )))
1816 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1820 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1822 if (offset == GWLP_WNDPROC)
1824 SetLastError( ERROR_ACCESS_DENIED );
1827 SERVER_START_REQ( set_window_info )
1830 req->flags = 0; /* don't set anything, just retrieve */
1831 req->extra_offset = (offset >= 0) ? offset : -1;
1832 req->extra_size = (offset >= 0) ? sizeof(retvalue) : 0;
1833 if (!wine_server_call_err( req ))
1837 case GWL_STYLE: retvalue = reply->old_style; break;
1838 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1839 case GWLP_ID: retvalue = reply->old_id; break;
1840 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1841 case GWLP_USERDATA: retvalue = (ULONG_PTR)reply->old_user_data; break;
1843 if (offset >= 0) retvalue = reply->old_extra_value;
1844 else SetLastError( ERROR_INVALID_INDEX );
1853 /* now we have a valid wndPtr */
1857 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
1860 * Some programs try to access last element from 16 bit
1861 * code using illegal offset value. Hopefully this is
1862 * what those programs really expect.
1864 if (type == WIN_PROC_16 &&
1865 wndPtr->cbWndExtra >= 4 &&
1866 offset == wndPtr->cbWndExtra - sizeof(WORD))
1868 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
1870 ERR( "- replaced invalid offset %d with %d\n",
1873 retvalue = *(LONG_PTR *)(((char *)wndPtr->wExtra) + offset2);
1874 WIN_ReleasePtr( wndPtr );
1877 WARN("Invalid offset %d\n", offset );
1878 WIN_ReleasePtr( wndPtr );
1879 SetLastError( ERROR_INVALID_INDEX );
1882 retvalue = *(LONG_PTR *)(((char *)wndPtr->wExtra) + offset);
1883 /* Special case for dialog window procedure */
1884 if ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
1885 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, type );
1886 WIN_ReleasePtr( wndPtr );
1892 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
1893 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
1894 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
1895 case GWLP_ID: retvalue = (ULONG_PTR)wndPtr->wIDmenu; break;
1896 case GWLP_WNDPROC: retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, type ); break;
1897 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
1899 WARN("Unknown offset %d\n", offset );
1900 SetLastError( ERROR_INVALID_INDEX );
1903 WIN_ReleasePtr(wndPtr);
1908 /**********************************************************************
1911 * Helper function for SetWindowLong().
1913 * 0 is the failure code. However, in the case of failure SetLastError
1914 * must be set to distinguish between a 0 return value and a failure.
1916 static LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, LONG_PTR newval,
1917 WINDOWPROCTYPE type )
1921 LONG_PTR retval = 0;
1924 TRACE( "%p %d %lx %x\n", hwnd, offset, newval, type );
1926 if (is_broadcast(hwnd))
1928 SetLastError( ERROR_INVALID_PARAMETER );
1932 if (!(wndPtr = WIN_GetPtr( hwnd )))
1934 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1937 if (wndPtr == WND_DESKTOP)
1939 /* can't change anything on the desktop window */
1940 SetLastError( ERROR_ACCESS_DENIED );
1943 if (wndPtr == WND_OTHER_PROCESS)
1945 if (offset == GWLP_WNDPROC)
1947 SetLastError( ERROR_ACCESS_DENIED );
1950 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, offset, newval );
1953 /* first some special cases */
1959 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
1960 style.styleNew = newval;
1961 WIN_ReleasePtr( wndPtr );
1962 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
1963 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1964 newval = style.styleNew;
1966 case GWLP_HWNDPARENT:
1967 if (wndPtr->parent == GetDesktopWindow())
1969 WIN_ReleasePtr( wndPtr );
1970 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
1974 WIN_ReleasePtr( wndPtr );
1975 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
1978 retval = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, type );
1979 wndPtr->winproc = WINPROC_AllocProc( (WNDPROC)newval, type );
1980 WIN_ReleasePtr( wndPtr );
1983 case GWLP_HINSTANCE:
1987 if ((wndPtr->cbWndExtra + sizeof(LONG_PTR) >= DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
1989 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
1990 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, type );
1991 *ptr = WINPROC_AllocProc( (WNDPROC)newval, type );
1992 WIN_ReleasePtr( wndPtr );
1997 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - sizeof(LONG_PTR)))
1999 WARN("Invalid offset %d\n", offset );
2000 WIN_ReleasePtr( wndPtr );
2001 SetLastError( ERROR_INVALID_INDEX );
2006 LONG_PTR *ptr = (LONG_PTR *)((char *)wndPtr->wExtra + offset);
2007 if (*ptr == newval) /* already set to the same value */
2009 WIN_ReleasePtr( wndPtr );
2016 SERVER_START_REQ( set_window_info )
2019 req->extra_offset = -1;
2023 req->flags = SET_WIN_STYLE;
2024 req->style = newval;
2027 req->flags = SET_WIN_EXSTYLE;
2028 req->ex_style = newval;
2031 req->flags = SET_WIN_ID;
2034 case GWLP_HINSTANCE:
2035 req->flags = SET_WIN_INSTANCE;
2036 req->instance = (void *)newval;
2039 req->flags = SET_WIN_USERDATA;
2040 req->user_data = (void *)newval;
2043 req->flags = SET_WIN_EXTRA;
2044 req->extra_offset = offset;
2045 req->extra_size = sizeof(newval);
2046 memcpy( &req->extra_value, &newval, sizeof(newval) );
2048 if ((ok = !wine_server_call_err( req )))
2053 wndPtr->dwStyle = newval;
2054 retval = reply->old_style;
2057 wndPtr->dwExStyle = newval;
2058 retval = reply->old_ex_style;
2061 wndPtr->wIDmenu = newval;
2062 retval = reply->old_id;
2064 case GWLP_HINSTANCE:
2065 wndPtr->hInstance = (HINSTANCE)newval;
2066 retval = (ULONG_PTR)reply->old_instance;
2069 wndPtr->userdata = newval;
2070 retval = (ULONG_PTR)reply->old_user_data;
2074 void *ptr = (char *)wndPtr->wExtra + offset;
2075 memcpy( &retval, ptr, sizeof(retval) );
2076 memcpy( ptr, &newval, sizeof(newval) );
2083 WIN_ReleasePtr( wndPtr );
2087 if (offset == GWL_STYLE && USER_Driver.pSetWindowStyle)
2088 USER_Driver.pSetWindowStyle( hwnd, retval );
2090 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2091 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2097 /**********************************************************************
2098 * GetWindowLong (USER.135)
2100 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2102 return WIN_GetWindowLong( WIN_Handle32(hwnd), offset, WIN_PROC_16 );
2106 /**********************************************************************
2107 * GetWindowLongA (USER32.@)
2109 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2111 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A );
2115 /**********************************************************************
2116 * GetWindowLongW (USER32.@)
2118 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2120 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W );
2124 /**********************************************************************
2125 * SetWindowLong (USER.136)
2127 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2129 return WIN_SetWindowLong( WIN_Handle32(hwnd), offset, newval, WIN_PROC_16 );
2133 /**********************************************************************
2134 * SetWindowLongA (USER32.@)
2136 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2138 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A );
2142 /**********************************************************************
2143 * SetWindowLongW (USER32.@) Set window attribute
2145 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2146 * value in a window's extra memory.
2148 * The _hwnd_ parameter specifies the window. is the handle to a
2149 * window that has extra memory. The _newval_ parameter contains the
2150 * new attribute or extra memory value. If positive, the _offset_
2151 * parameter is the byte-addressed location in the window's extra
2152 * memory to set. If negative, _offset_ specifies the window
2153 * attribute to set, and should be one of the following values:
2155 * GWL_EXSTYLE The window's extended window style
2157 * GWL_STYLE The window's window style.
2159 * GWLP_WNDPROC Pointer to the window's window procedure.
2161 * GWLP_HINSTANCE The window's pplication instance handle.
2163 * GWLP_ID The window's identifier.
2165 * GWLP_USERDATA The window's user-specified data.
2167 * If the window is a dialog box, the _offset_ parameter can be one of
2168 * the following values:
2170 * DWLP_DLGPROC The address of the window's dialog box procedure.
2172 * DWLP_MSGRESULT The return value of a message
2173 * that the dialog box procedure processed.
2175 * DWLP_USER Application specific information.
2179 * If successful, returns the previous value located at _offset_. Otherwise,
2184 * Extra memory for a window class is specified by a nonzero cbWndExtra
2185 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2186 * time of class creation.
2188 * Using GWL_WNDPROC to set a new window procedure effectively creates
2189 * a window subclass. Use CallWindowProc() in the new windows procedure
2190 * to pass messages to the superclass's window procedure.
2192 * The user data is reserved for use by the application which created
2195 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2196 * instead, call the EnableWindow() function to change the window's
2199 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2200 * SetParent() instead.
2203 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2204 * it sends WM_STYLECHANGING before changing the settings
2205 * and WM_STYLECHANGED afterwards.
2206 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2208 LONG WINAPI SetWindowLongW(
2209 HWND hwnd, /* [in] window to alter */
2210 INT offset, /* [in] offset, in bytes, of location to alter */
2211 LONG newval /* [in] new value of location */
2213 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W );
2217 /*******************************************************************
2218 * GetWindowTextA (USER32.@)
2220 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2224 if (WIN_IsCurrentProcess( hwnd ))
2225 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2227 /* when window belongs to other process, don't send a message */
2228 if (nMaxCount <= 0) return 0;
2229 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2230 get_server_window_text( hwnd, buffer, nMaxCount );
2231 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2232 lpString[nMaxCount-1] = 0;
2233 HeapFree( GetProcessHeap(), 0, buffer );
2234 return strlen(lpString);
2238 /*******************************************************************
2239 * InternalGetWindowText (USER32.@)
2241 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2245 if (nMaxCount <= 0) return 0;
2246 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2247 if (win == WND_DESKTOP) lpString[0] = 0;
2248 else if (win != WND_OTHER_PROCESS)
2250 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2251 else lpString[0] = 0;
2252 WIN_ReleasePtr( win );
2256 get_server_window_text( hwnd, lpString, nMaxCount );
2258 return strlenW(lpString);
2262 /*******************************************************************
2263 * GetWindowTextW (USER32.@)
2265 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2267 if (WIN_IsCurrentProcess( hwnd ))
2268 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2270 /* when window belongs to other process, don't send a message */
2271 if (nMaxCount <= 0) return 0;
2272 get_server_window_text( hwnd, lpString, nMaxCount );
2273 return strlenW(lpString);
2277 /*******************************************************************
2278 * SetWindowText (USER32.@)
2279 * SetWindowTextA (USER32.@)
2281 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2283 if (is_broadcast(hwnd))
2285 SetLastError( ERROR_INVALID_PARAMETER );
2288 if (!WIN_IsCurrentProcess( hwnd ))
2290 FIXME( "cannot set text %s of other process window %p\n", debugstr_a(lpString), hwnd );
2291 SetLastError( ERROR_ACCESS_DENIED );
2294 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2298 /*******************************************************************
2299 * SetWindowTextW (USER32.@)
2301 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2303 if (is_broadcast(hwnd))
2305 SetLastError( ERROR_INVALID_PARAMETER );
2308 if (!WIN_IsCurrentProcess( hwnd ))
2310 FIXME( "cannot set text %s of other process window %p\n", debugstr_w(lpString), hwnd );
2311 SetLastError( ERROR_ACCESS_DENIED );
2314 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2318 /*******************************************************************
2319 * GetWindowTextLengthA (USER32.@)
2321 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2323 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2326 /*******************************************************************
2327 * GetWindowTextLengthW (USER32.@)
2329 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2331 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2335 /*******************************************************************
2336 * IsWindow (USER32.@)
2338 BOOL WINAPI IsWindow( HWND hwnd )
2343 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2344 if (ptr == WND_DESKTOP) return TRUE;
2346 if (ptr != WND_OTHER_PROCESS)
2348 WIN_ReleasePtr( ptr );
2352 /* check other processes */
2353 SERVER_START_REQ( get_window_info )
2356 ret = !wine_server_call_err( req );
2363 /***********************************************************************
2364 * GetWindowThreadProcessId (USER32.@)
2366 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2371 if (!(ptr = WIN_GetPtr( hwnd )))
2373 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2377 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2379 /* got a valid window */
2381 if (process) *process = GetCurrentProcessId();
2382 WIN_ReleasePtr( ptr );
2386 /* check other processes */
2387 SERVER_START_REQ( get_window_info )
2390 if (!wine_server_call_err( req ))
2392 tid = (DWORD)reply->tid;
2393 if (process) *process = (DWORD)reply->pid;
2401 /*****************************************************************
2402 * GetParent (USER32.@)
2404 HWND WINAPI GetParent( HWND hwnd )
2409 if (!(wndPtr = WIN_GetPtr( hwnd )))
2411 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2414 if (wndPtr == WND_DESKTOP) return 0;
2415 if (wndPtr == WND_OTHER_PROCESS)
2417 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2418 if (style & (WS_POPUP | WS_CHILD))
2420 SERVER_START_REQ( get_window_tree )
2423 if (!wine_server_call_err( req ))
2425 if (style & WS_POPUP) retvalue = reply->owner;
2426 else if (style & WS_CHILD) retvalue = reply->parent;
2434 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2435 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2436 WIN_ReleasePtr( wndPtr );
2442 /*****************************************************************
2443 * GetAncestor (USER32.@)
2445 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2448 HWND *list, ret = 0;
2453 if (!(win = WIN_GetPtr( hwnd )))
2455 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2458 if (win == WND_DESKTOP) return 0;
2459 if (win != WND_OTHER_PROCESS)
2462 WIN_ReleasePtr( win );
2464 else /* need to query the server */
2466 SERVER_START_REQ( get_window_tree )
2469 if (!wine_server_call_err( req )) ret = reply->parent;
2476 if (!(list = list_window_parents( hwnd ))) return 0;
2478 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2482 while (list[count]) count++;
2483 ret = list[count - 2]; /* get the one before the desktop */
2485 HeapFree( GetProcessHeap(), 0, list );
2489 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2492 HWND parent = GetParent( ret );
2502 /*****************************************************************
2503 * SetParent (USER32.@)
2505 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2509 if (is_broadcast(hwnd) || is_broadcast(parent))
2511 SetLastError(ERROR_INVALID_PARAMETER);
2515 if (!parent) parent = GetDesktopWindow();
2516 else parent = WIN_GetFullHandle( parent );
2518 if (!IsWindow( parent ))
2520 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2524 /* Some applications try to set a child as a parent */
2525 if (IsChild(hwnd, parent))
2527 SetLastError( ERROR_INVALID_PARAMETER );
2531 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2532 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2534 if (USER_Driver.pSetParent)
2535 return USER_Driver.pSetParent( full_handle, parent );
2541 /*******************************************************************
2542 * IsChild (USER32.@)
2544 BOOL WINAPI IsChild( HWND parent, HWND child )
2546 HWND *list = list_window_parents( child );
2550 if (!list) return FALSE;
2551 parent = WIN_GetFullHandle( parent );
2552 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2553 ret = (list[i] != 0);
2554 HeapFree( GetProcessHeap(), 0, list );
2559 /***********************************************************************
2560 * IsWindowVisible (USER32.@)
2562 BOOL WINAPI IsWindowVisible( HWND hwnd )
2568 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2569 if (!(list = list_window_parents( hwnd ))) return TRUE;
2570 for (i = 0; list[i]; i++)
2571 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2573 HeapFree( GetProcessHeap(), 0, list );
2578 /***********************************************************************
2579 * WIN_IsWindowDrawable
2581 * hwnd is drawable when it is visible, all parents are not
2582 * minimized, and it is itself not minimized unless we are
2583 * trying to draw its default class icon.
2585 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2590 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2592 if (!(style & WS_VISIBLE)) return FALSE;
2593 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2595 if (!(list = list_window_parents( hwnd ))) return TRUE;
2596 for (i = 0; list[i]; i++)
2597 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2600 HeapFree( GetProcessHeap(), 0, list );
2605 /*******************************************************************
2606 * GetTopWindow (USER32.@)
2608 HWND WINAPI GetTopWindow( HWND hwnd )
2610 if (!hwnd) hwnd = GetDesktopWindow();
2611 return GetWindow( hwnd, GW_CHILD );
2615 /*******************************************************************
2616 * GetWindow (USER32.@)
2618 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2622 if (rel == GW_OWNER) /* this one may be available locally */
2624 WND *wndPtr = WIN_GetPtr( hwnd );
2627 SetLastError( ERROR_INVALID_HANDLE );
2630 if (wndPtr == WND_DESKTOP) return 0;
2631 if (wndPtr != WND_OTHER_PROCESS)
2633 retval = wndPtr->owner;
2634 WIN_ReleasePtr( wndPtr );
2637 /* else fall through to server call */
2640 SERVER_START_REQ( get_window_tree )
2643 if (!wine_server_call_err( req ))
2648 retval = reply->first_sibling;
2651 retval = reply->last_sibling;
2654 retval = reply->next_sibling;
2657 retval = reply->prev_sibling;
2660 retval = reply->owner;
2663 retval = reply->first_child;
2673 /*******************************************************************
2674 * ShowOwnedPopups (USER32.@)
2676 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2680 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2682 if (!win_array) return TRUE;
2684 while (win_array[count]) count++;
2685 while (--count >= 0)
2687 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2688 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2689 if (pWnd == WND_OTHER_PROCESS) continue;
2691 if (pWnd->dwStyle & WS_POPUP)
2695 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2697 pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
2698 WIN_ReleasePtr( pWnd );
2699 /* In Windows, ShowOwnedPopups(TRUE) generates
2700 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2701 * regardless of the state of the owner
2703 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOW, SW_PARENTOPENING);
2709 if (pWnd->dwStyle & WS_VISIBLE)
2711 pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
2712 WIN_ReleasePtr( pWnd );
2713 /* In Windows, ShowOwnedPopups(FALSE) generates
2714 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2715 * regardless of the state of the owner
2717 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2722 WIN_ReleasePtr( pWnd );
2724 HeapFree( GetProcessHeap(), 0, win_array );
2729 /*******************************************************************
2730 * GetLastActivePopup (USER32.@)
2732 HWND WINAPI GetLastActivePopup( HWND hwnd )
2736 SERVER_START_REQ( get_window_info )
2739 if (!wine_server_call_err( req )) retval = reply->last_active;
2746 /*******************************************************************
2749 * Build an array of the children of a given window. The array must be
2750 * freed with HeapFree. Returns NULL when no windows are found.
2752 HWND *WIN_ListChildren( HWND hwnd )
2754 return list_window_children( hwnd, 0, 0 );
2758 /*******************************************************************
2759 * EnumWindows (USER32.@)
2761 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2767 USER_CheckNotLock();
2769 /* We have to build a list of all windows first, to avoid */
2770 /* unpleasant side-effects, for instance if the callback */
2771 /* function changes the Z-order of the windows. */
2773 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2775 /* Now call the callback function for every window */
2777 for (i = 0; list[i]; i++)
2779 /* Make sure that the window still exists */
2780 if (!IsWindow( list[i] )) continue;
2781 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2783 HeapFree( GetProcessHeap(), 0, list );
2788 /**********************************************************************
2789 * EnumThreadWindows (USER32.@)
2791 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2796 USER_CheckNotLock();
2798 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2800 /* Now call the callback function for every window */
2802 for (i = 0; list[i]; i++)
2803 if (!func( list[i], lParam )) break;
2804 HeapFree( GetProcessHeap(), 0, list );
2809 /**********************************************************************
2810 * WIN_EnumChildWindows
2812 * Helper function for EnumChildWindows().
2814 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2819 for ( ; *list; list++)
2821 /* Make sure that the window still exists */
2822 if (!IsWindow( *list )) continue;
2823 /* skip owned windows */
2824 if (GetWindow( *list, GW_OWNER )) continue;
2825 /* Build children list first */
2826 childList = WIN_ListChildren( *list );
2828 ret = func( *list, lParam );
2832 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
2833 HeapFree( GetProcessHeap(), 0, childList );
2835 if (!ret) return FALSE;
2841 /**********************************************************************
2842 * EnumChildWindows (USER32.@)
2844 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
2848 USER_CheckNotLock();
2850 if (!(list = WIN_ListChildren( parent ))) return FALSE;
2851 WIN_EnumChildWindows( list, func, lParam );
2852 HeapFree( GetProcessHeap(), 0, list );
2857 /*******************************************************************
2858 * AnyPopup (USER.52)
2860 BOOL16 WINAPI AnyPopup16(void)
2866 /*******************************************************************
2867 * AnyPopup (USER32.@)
2869 BOOL WINAPI AnyPopup(void)
2873 HWND *list = WIN_ListChildren( GetDesktopWindow() );
2875 if (!list) return FALSE;
2876 for (i = 0; list[i]; i++)
2878 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
2880 retvalue = (list[i] != 0);
2881 HeapFree( GetProcessHeap(), 0, list );
2886 /*******************************************************************
2887 * FlashWindow (USER32.@)
2889 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
2893 TRACE("%p\n", hWnd);
2895 if (IsIconic( hWnd ))
2897 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
2899 wndPtr = WIN_GetPtr(hWnd);
2900 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2901 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
2903 wndPtr->flags |= WIN_NCACTIVATED;
2907 wndPtr->flags &= ~WIN_NCACTIVATED;
2909 WIN_ReleasePtr( wndPtr );
2916 wndPtr = WIN_GetPtr(hWnd);
2917 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2918 hWnd = wndPtr->hwndSelf; /* make it a full handle */
2920 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
2921 else wparam = (hWnd == GetForegroundWindow());
2923 WIN_ReleasePtr( wndPtr );
2924 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
2929 /*******************************************************************
2930 * FlashWindowEx (USER32.@)
2932 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
2934 FIXME("%p\n", pfwi);
2938 /*******************************************************************
2939 * GetWindowContextHelpId (USER32.@)
2941 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
2944 WND *wnd = WIN_GetPtr( hwnd );
2945 if (!wnd || wnd == WND_DESKTOP) return 0;
2946 if (wnd == WND_OTHER_PROCESS)
2948 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
2951 retval = wnd->helpContext;
2952 WIN_ReleasePtr( wnd );
2957 /*******************************************************************
2958 * SetWindowContextHelpId (USER32.@)
2960 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
2962 WND *wnd = WIN_GetPtr( hwnd );
2963 if (!wnd || wnd == WND_DESKTOP) return FALSE;
2964 if (wnd == WND_OTHER_PROCESS)
2966 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
2969 wnd->helpContext = id;
2970 WIN_ReleasePtr( wnd );
2975 /*******************************************************************
2976 * DragDetect (USER32.@)
2978 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
2983 rect.left = pt.x - wDragWidth;
2984 rect.right = pt.x + wDragWidth;
2986 rect.top = pt.y - wDragHeight;
2987 rect.bottom = pt.y + wDragHeight;
2993 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
2995 if( msg.message == WM_LBUTTONUP )
3000 if( msg.message == WM_MOUSEMOVE )
3003 tmp.x = LOWORD(msg.lParam);
3004 tmp.y = HIWORD(msg.lParam);
3005 if( !PtInRect( &rect, tmp ))
3017 /******************************************************************************
3018 * GetWindowModuleFileNameA (USER32.@)
3020 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3022 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3023 hwnd, lpszFileName, cchFileNameMax);
3027 /******************************************************************************
3028 * GetWindowModuleFileNameW (USER32.@)
3030 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3032 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3033 hwnd, lpszFileName, cchFileNameMax);
3037 /******************************************************************************
3038 * GetWindowInfo (USER32.@)
3040 * Note: tests show that Windows doesn't check cbSize of the structure.
3042 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3044 if (!pwi) return FALSE;
3045 if (!IsWindow(hwnd)) return FALSE;
3047 GetWindowRect(hwnd, &pwi->rcWindow);
3048 GetClientRect(hwnd, &pwi->rcClient);
3049 /* translate to screen coordinates */
3050 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3052 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3053 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3054 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3056 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3057 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3059 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3060 pwi->wCreatorVersion = 0x0400;
3065 /******************************************************************************
3066 * SwitchDesktop (USER32.@)
3068 * NOTES: Sets the current input or interactive desktop.
3070 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3072 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);