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"
39 #include "cursoricon.h"
43 #include "wine/debug.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(win);
46 WINE_DECLARE_DEBUG_CHANNEL(msg);
48 #define NB_USER_HANDLES (LAST_USER_HANDLE - FIRST_USER_HANDLE + 1)
50 /**********************************************************************/
53 static WND *pWndDesktop = NULL;
55 static WORD wDragWidth = 4;
56 static WORD wDragHeight= 3;
58 static void *user_handles[NB_USER_HANDLES];
60 /***********************************************************************
61 * create_window_handle
63 * Create a window handle with the server.
65 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom, INT size )
68 user_handle_t handle = 0;
70 WND *win = HeapAlloc( GetProcessHeap(), 0, size );
72 if (!win) return NULL;
76 SERVER_START_REQ( create_window )
81 if ((res = !wine_server_call_err( req ))) handle = reply->handle;
88 HeapFree( GetProcessHeap(), 0, win );
91 index = LOWORD(handle) - FIRST_USER_HANDLE;
92 assert( index < NB_USER_HANDLES );
93 user_handles[index] = win;
94 win->hwndSelf = handle;
95 win->dwMagic = WND_MAGIC;
101 /***********************************************************************
104 * Free a window handle.
106 static WND *free_window_handle( HWND hwnd )
109 WORD index = LOWORD(hwnd) - FIRST_USER_HANDLE;
111 if (index >= NB_USER_HANDLES) return NULL;
113 if ((ptr = user_handles[index]))
115 SERVER_START_REQ( destroy_window )
118 if (!wine_server_call_err( req ))
119 user_handles[index] = NULL;
126 if (ptr) HeapFree( GetProcessHeap(), 0, ptr );
131 /*******************************************************************
132 * list_window_children
134 * Build an array of the children of a given window. The array must be
135 * freed with HeapFree. Returns NULL when no windows are found.
137 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
146 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
148 SERVER_START_REQ( get_window_children )
153 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
154 if (!wine_server_call( req )) count = reply->count;
157 if (count && count < size)
162 HeapFree( GetProcessHeap(), 0, list );
164 size = count + 1; /* restart with a large enough buffer */
170 /*******************************************************************
173 static void send_parent_notify( HWND hwnd, UINT msg )
175 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) return;
176 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) return;
177 SendMessageW( GetParent(hwnd), WM_PARENTNOTIFY,
178 MAKEWPARAM( msg, GetWindowLongW( hwnd, GWL_ID )), (LPARAM)hwnd );
182 /*******************************************************************
183 * get_server_window_text
185 * Retrieve the window text from the server.
187 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
191 SERVER_START_REQ( get_window_text )
194 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
195 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
198 text[len / sizeof(WCHAR)] = 0;
202 /***********************************************************************
205 * Return a pointer to the WND structure if local to the process,
206 * or WND_OTHER_PROCESS if handle may be valid in other process.
207 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
209 WND *WIN_GetPtr( HWND hwnd )
212 WORD index = LOWORD(hwnd) - FIRST_USER_HANDLE;
214 if (index >= NB_USER_HANDLES) return NULL;
217 if ((ptr = user_handles[index]))
219 if (ptr->dwMagic == WND_MAGIC && (!HIWORD(hwnd) || hwnd == ptr->hwndSelf))
223 else ptr = WND_OTHER_PROCESS;
229 /***********************************************************************
230 * WIN_IsCurrentProcess
232 * Check whether a given window belongs to the current process (and return the full handle).
234 HWND WIN_IsCurrentProcess( HWND hwnd )
239 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS) return 0;
241 WIN_ReleasePtr( ptr );
246 /***********************************************************************
247 * WIN_IsCurrentThread
249 * Check whether a given window belongs to the current thread (and return the full handle).
251 HWND WIN_IsCurrentThread( HWND hwnd )
256 if ((ptr = WIN_GetPtr( hwnd )) && ptr != WND_OTHER_PROCESS)
258 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
259 WIN_ReleasePtr( ptr );
265 /***********************************************************************
268 * Convert a 16-bit window handle to a full 32-bit handle.
270 HWND WIN_Handle32( HWND16 hwnd16 )
273 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
275 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
276 /* do sign extension for -2 and -3 */
277 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
279 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
281 if (ptr != WND_OTHER_PROCESS)
283 hwnd = ptr->hwndSelf;
284 WIN_ReleasePtr( ptr );
286 else /* may belong to another process */
288 SERVER_START_REQ( get_window_info )
291 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
299 /***********************************************************************
302 * Return a pointer to the WND structure corresponding to a HWND.
304 WND * WIN_FindWndPtr( HWND hwnd )
308 if (!hwnd) return NULL;
310 if ((ptr = WIN_GetPtr( hwnd )))
312 if (ptr != WND_OTHER_PROCESS)
314 /* increment destruction monitoring */
318 if (IsWindow( hwnd )) /* check other processes */
320 ERR( "window %p belongs to other process\n", hwnd );
321 /* DbgBreakPoint(); */
324 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
329 /***********************************************************************
332 * Release the pointer to the WND structure.
334 void WIN_ReleaseWndPtr(WND *wndPtr)
338 /* Decrement destruction monitoring value */
340 /* Check if it's time to release the memory */
341 if(wndPtr->irefCount == 0 && !wndPtr->dwMagic)
344 free_window_handle( wndPtr->hwndSelf );
346 else if(wndPtr->irefCount < 0)
348 /* This else if is useful to monitor the WIN_ReleaseWndPtr function */
349 ERR("forgot a Lock on %p somewhere\n",wndPtr);
351 /* unlock all WND structures for thread safeness */
356 /***********************************************************************
359 * Remove a window from the siblings linked list.
361 void WIN_UnlinkWindow( HWND hwnd )
363 WIN_LinkWindow( hwnd, 0, 0 );
367 /***********************************************************************
370 * Insert a window into the siblings linked list.
371 * The window is inserted after the specified window, which can also
372 * be specified as HWND_TOP or HWND_BOTTOM.
373 * If parent is 0, window is unlinked from the tree.
375 void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter )
377 WND *wndPtr = WIN_GetPtr( hwnd );
380 if (wndPtr == WND_OTHER_PROCESS)
382 if (IsWindow(hwnd)) ERR(" cannot link other process window %p\n", hwnd );
386 SERVER_START_REQ( link_window )
389 req->parent = parent;
390 req->previous = hwndInsertAfter;
391 if (!wine_server_call( req ))
393 if (reply->full_parent) wndPtr->parent = reply->full_parent;
398 WIN_ReleasePtr( wndPtr );
402 /***********************************************************************
405 * Change the owner of a window.
407 HWND WIN_SetOwner( HWND hwnd, HWND owner )
409 WND *win = WIN_GetPtr( hwnd );
413 if (win == WND_OTHER_PROCESS)
415 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
418 SERVER_START_REQ( set_window_owner )
422 if (!wine_server_call( req ))
424 win->owner = reply->full_owner;
425 ret = reply->prev_owner;
429 WIN_ReleasePtr( win );
434 /***********************************************************************
437 * Change the style of a window.
439 LONG WIN_SetStyle( HWND hwnd, LONG style )
443 WND *win = WIN_GetPtr( hwnd );
446 if (win == WND_OTHER_PROCESS)
449 ERR( "cannot set style %lx on other process window %p\n", style, hwnd );
452 if (style == win->dwStyle)
454 WIN_ReleasePtr( win );
457 SERVER_START_REQ( set_window_info )
460 req->flags = SET_WIN_STYLE;
462 if ((ok = !wine_server_call( req )))
464 ret = reply->old_style;
465 win->dwStyle = style;
469 WIN_ReleasePtr( win );
470 if (ok && USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, ret );
475 /***********************************************************************
478 * Change the extended style of a window.
480 LONG WIN_SetExStyle( HWND hwnd, LONG style )
483 WND *win = WIN_GetPtr( hwnd );
486 if (win == WND_OTHER_PROCESS)
489 ERR( "cannot set exstyle %lx on other process window %p\n", style, hwnd );
492 if (style == win->dwExStyle)
494 WIN_ReleasePtr( win );
497 SERVER_START_REQ( set_window_info )
500 req->flags = SET_WIN_EXSTYLE;
501 req->ex_style = style;
502 if (!wine_server_call( req ))
504 ret = reply->old_ex_style;
505 win->dwExStyle = style;
509 WIN_ReleasePtr( win );
514 /***********************************************************************
517 * Set the window and client rectangles.
519 void WIN_SetRectangles( HWND hwnd, const RECT *rectWindow, const RECT *rectClient )
521 WND *win = WIN_GetPtr( hwnd );
525 if (win == WND_OTHER_PROCESS)
527 if (IsWindow( hwnd )) ERR( "cannot set rectangles of other process window %p\n", hwnd );
530 SERVER_START_REQ( set_window_rectangles )
533 req->window.left = rectWindow->left;
534 req->window.top = rectWindow->top;
535 req->window.right = rectWindow->right;
536 req->window.bottom = rectWindow->bottom;
537 req->client.left = rectClient->left;
538 req->client.top = rectClient->top;
539 req->client.right = rectClient->right;
540 req->client.bottom = rectClient->bottom;
541 ret = !wine_server_call( req );
546 win->rectWindow = *rectWindow;
547 win->rectClient = *rectClient;
549 TRACE( "win %p window (%ld,%ld)-(%ld,%ld) client (%ld,%ld)-(%ld,%ld)\n", hwnd,
550 rectWindow->left, rectWindow->top, rectWindow->right, rectWindow->bottom,
551 rectClient->left, rectClient->top, rectClient->right, rectClient->bottom );
553 WIN_ReleasePtr( win );
557 /***********************************************************************
560 * Get the window and client rectangles.
562 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
564 WND *win = WIN_GetPtr( hwnd );
567 if (!win) return FALSE;
568 if (win == WND_OTHER_PROCESS)
570 SERVER_START_REQ( get_window_rectangles )
573 if ((ret = !wine_server_call( req )))
577 rectWindow->left = reply->window.left;
578 rectWindow->top = reply->window.top;
579 rectWindow->right = reply->window.right;
580 rectWindow->bottom = reply->window.bottom;
584 rectClient->left = reply->client.left;
585 rectClient->top = reply->client.top;
586 rectClient->right = reply->client.right;
587 rectClient->bottom = reply->client.bottom;
595 if (rectWindow) *rectWindow = win->rectWindow;
596 if (rectClient) *rectClient = win->rectClient;
597 WIN_ReleasePtr( win );
603 /***********************************************************************
606 * Destroy storage associated to a window. "Internals" p.358
608 LRESULT WIN_DestroyWindow( HWND hwnd )
613 TRACE("%p\n", hwnd );
615 if (!(hwnd = WIN_IsCurrentThread( hwnd )))
617 ERR( "window doesn't belong to current thread\n" );
621 /* free child windows */
622 if ((list = WIN_ListChildren( hwnd )))
625 for (i = 0; list[i]; i++)
627 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
628 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
630 HeapFree( GetProcessHeap(), 0, list );
634 * Clear the update region to make sure no WM_PAINT messages will be
635 * generated for this window while processing the WM_NCDESTROY.
637 RedrawWindow( hwnd, NULL, 0,
638 RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN);
641 * Send the WM_NCDESTROY to the window being destroyed.
643 SendMessageA( hwnd, WM_NCDESTROY, 0, 0);
645 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
647 WINPOS_CheckInternalPos( hwnd );
648 if( hwnd == GetCapture()) ReleaseCapture();
650 /* free resources associated with the window */
652 TIMER_RemoveWindowTimers( hwnd );
654 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0;
656 if (!(wndPtr->dwStyle & WS_CHILD))
658 HMENU menu = (HMENU)SetWindowLongW( hwnd, GWL_ID, 0 );
659 if (menu) DestroyMenu( menu );
661 if (wndPtr->hSysMenu)
663 DestroyMenu( wndPtr->hSysMenu );
664 wndPtr->hSysMenu = 0;
666 DCE_FreeWindowDCE( hwnd ); /* Always do this to catch orphaned DCs */
667 USER_Driver.pDestroyWindow( hwnd );
668 WINPROC_FreeProc( wndPtr->winproc, WIN_PROC_WINDOW );
669 CLASS_RemoveWindow( wndPtr->class );
670 wndPtr->class = NULL;
671 wndPtr->dwMagic = 0; /* Mark it as invalid */
672 WIN_ReleaseWndPtr( wndPtr );
676 /***********************************************************************
677 * WIN_DestroyThreadWindows
679 * Destroy all children of 'wnd' owned by the current thread.
680 * Return TRUE if something was done.
682 void WIN_DestroyThreadWindows( HWND hwnd )
687 if (!(list = WIN_ListChildren( hwnd ))) return;
688 for (i = 0; list[i]; i++)
690 if (WIN_IsCurrentThread( list[i] ))
691 DestroyWindow( list[i] );
693 WIN_DestroyThreadWindows( list[i] );
695 HeapFree( GetProcessHeap(), 0, list );
698 /***********************************************************************
699 * WIN_CreateDesktopWindow
701 * Create the desktop window.
703 BOOL WIN_CreateDesktopWindow(void)
705 struct tagCLASS *class;
714 TRACE("Creating desktop window\n");
716 if (!WINPOS_CreateInternalPosAtom() ||
717 !(class = CLASS_AddWindow( (ATOM)LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W,
718 &wndExtra, &winproc, &clsStyle, &dce )))
721 pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM),
722 sizeof(WND) + wndExtra - sizeof(pWndDesktop->wExtra) );
723 if (!pWndDesktop) return FALSE;
724 hwndDesktop = pWndDesktop->hwndSelf;
726 pWndDesktop->tid = 0; /* nobody owns the desktop */
727 pWndDesktop->parent = 0;
728 pWndDesktop->owner = 0;
729 pWndDesktop->class = class;
730 pWndDesktop->text = NULL;
731 pWndDesktop->hrgnUpdate = 0;
732 pWndDesktop->clsStyle = clsStyle;
733 pWndDesktop->dce = NULL;
734 pWndDesktop->pVScroll = NULL;
735 pWndDesktop->pHScroll = NULL;
736 pWndDesktop->helpContext = 0;
737 pWndDesktop->flags = 0;
738 pWndDesktop->hSysMenu = 0;
739 pWndDesktop->winproc = winproc;
740 pWndDesktop->cbWndExtra = wndExtra;
742 cs.lpCreateParams = NULL;
748 cs.cx = GetSystemMetrics( SM_CXSCREEN );
749 cs.cy = GetSystemMetrics( SM_CYSCREEN );
750 cs.style = pWndDesktop->dwStyle;
751 cs.dwExStyle = pWndDesktop->dwExStyle;
753 cs.lpszClass = DESKTOP_CLASS_ATOM;
755 SetRect( &rect, 0, 0, cs.cx, cs.cy );
756 WIN_SetRectangles( hwndDesktop, &rect, &rect );
758 SERVER_START_REQ( set_window_info )
760 req->handle = hwndDesktop;
761 req->flags = 0; /* don't set anything, just retrieve */
762 wine_server_call( req );
763 pWndDesktop->dwStyle = reply->old_style;
764 pWndDesktop->dwExStyle = reply->old_ex_style;
765 pWndDesktop->hInstance = (HINSTANCE)reply->old_instance;
766 pWndDesktop->userdata = (ULONG_PTR)reply->old_user_data;
767 pWndDesktop->wIDmenu = reply->old_id;
771 if (!USER_Driver.pCreateWindow( hwndDesktop, &cs, FALSE ))
773 WIN_ReleaseWndPtr( pWndDesktop );
777 pWndDesktop->flags |= WIN_NEEDS_ERASEBKGND;
778 WIN_ReleaseWndPtr( pWndDesktop );
783 /***********************************************************************
786 * Fix the coordinates - Helper for WIN_CreateWindowEx.
787 * returns default show mode in sw.
788 * Note: the feature presented as undocumented *is* in the MSDN since 1993.
790 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
792 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16 ||
793 cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
795 if (cs->style & (WS_CHILD | WS_POPUP))
797 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16) cs->x = cs->y = 0;
798 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16) cs->cx = cs->cy = 0;
800 else /* overlapped window */
804 GetStartupInfoA( &info );
806 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
808 /* Never believe Microsoft's documentation... CreateWindowEx doc says
809 * that if an overlapped window is created with WS_VISIBLE style bit
810 * set and the x parameter is set to CW_USEDEFAULT, the system ignores
811 * the y parameter. However, disassembling NT implementation (WIN32K.SYS)
814 * 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
815 * 2) it does not ignore the y parameter as the docs claim; instead, it
816 * uses it as second parameter to ShowWindow() unless y is either
817 * CW_USEDEFAULT or CW_USEDEFAULT16.
819 * The fact that we didn't do 2) caused bogus windows pop up when wine
820 * was running apps that were using this obscure feature. Example -
821 * calc.exe that comes with Win98 (only Win98, it's different from
822 * the one that comes with Win95 and NT)
824 if (cs->y != CW_USEDEFAULT && cs->y != CW_USEDEFAULT16) *sw = cs->y;
825 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : 0;
826 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : 0;
829 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
831 if (info.dwFlags & STARTF_USESIZE)
833 cs->cx = info.dwXSize;
834 cs->cy = info.dwYSize;
836 else /* if no other hint from the app, pick 3/4 of the screen real estate */
839 SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0);
840 cs->cx = (((r.right - r.left) * 3) / 4) - cs->x;
841 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
848 /* neither x nor cx are default. Check the y values .
849 * In the trace we see Outlook and Outlook Express using
850 * cy set to CW_USEDEFAULT when opening the address book.
852 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16) {
854 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
855 SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0);
856 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
861 /***********************************************************************
864 static void dump_window_styles( DWORD style, DWORD exstyle )
867 if(style & WS_POPUP) TRACE(" WS_POPUP");
868 if(style & WS_CHILD) TRACE(" WS_CHILD");
869 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
870 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
871 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
872 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
873 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
874 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
875 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
878 if(style & WS_BORDER) TRACE(" WS_BORDER");
879 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
881 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
882 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
883 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
884 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
885 if(style & WS_GROUP) TRACE(" WS_GROUP");
886 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
887 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
888 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
890 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
891 #define DUMPED_STYLES \
911 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
916 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
917 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
918 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
919 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
920 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
921 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
922 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
923 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
924 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
925 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
926 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
927 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
928 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
929 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
930 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
931 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
932 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
933 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
935 #define DUMPED_EX_STYLES \
936 (WS_EX_DLGMODALFRAME | \
938 WS_EX_NOPARENTNOTIFY | \
940 WS_EX_ACCEPTFILES | \
941 WS_EX_TRANSPARENT | \
946 WS_EX_CONTEXTHELP | \
949 WS_EX_LEFTSCROLLBAR | \
950 WS_EX_CONTROLPARENT | \
955 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
957 #undef DUMPED_EX_STYLES
961 /***********************************************************************
964 * Implementation of CreateWindowEx().
966 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
967 WINDOWPROCTYPE type )
970 struct tagCLASS *classPtr;
972 HWND hwnd, parent, owner;
977 BOOL unicode = (type == WIN_PROC_32W);
979 TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
980 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
981 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
982 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
983 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
985 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
987 TRACE("winproc type is %d (%s)\n", type, (type == WIN_PROC_16) ? "WIN_PROC_16" :
988 ((type == WIN_PROC_32A) ? "WIN_PROC_32A" : "WIN_PROC_32W") );
990 /* Find the parent window */
992 parent = GetDesktopWindow();
995 if (cs->hwndParent == HWND_MESSAGE)
997 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
998 * message window (style: WS_POPUP|WS_DISABLED)
1000 FIXME("Parent is HWND_MESSAGE\n");
1002 else if (cs->hwndParent)
1004 /* Make sure parent is valid */
1005 if (!IsWindow( cs->hwndParent ))
1007 WARN("Bad parent %p\n", cs->hwndParent );
1010 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1011 parent = WIN_GetFullHandle(cs->hwndParent);
1013 owner = GetAncestor( cs->hwndParent, GA_ROOT );
1015 else if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1017 WARN("No parent for child window\n" );
1018 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1021 /* Find the window class */
1022 if (!(classPtr = CLASS_AddWindow( classAtom, cs->hInstance, type,
1023 &wndExtra, &winproc, &clsStyle, &dce )))
1025 WARN("Bad class '%s'\n", cs->lpszClass );
1029 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1031 /* Correct the window style - stage 1
1033 * These are patches that appear to affect both the style loaded into the
1034 * WIN structure and passed in the CreateStruct to the WM_CREATE etc.
1036 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1037 * why does the user get to set it?
1040 /* This has been tested for WS_CHILD | WS_VISIBLE. It has not been
1041 * tested for WS_POPUP
1043 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1044 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1045 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1046 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1048 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1050 /* Create the window structure */
1052 if (!(wndPtr = create_window_handle( parent, owner, classAtom,
1053 sizeof(*wndPtr) + wndExtra - sizeof(wndPtr->wExtra) )))
1055 TRACE("out of memory\n" );
1058 hwnd = wndPtr->hwndSelf;
1060 /* Fill the window structure */
1062 wndPtr->tid = GetCurrentThreadId();
1063 wndPtr->owner = owner;
1064 wndPtr->parent = parent;
1065 wndPtr->class = classPtr;
1066 wndPtr->winproc = winproc;
1067 wndPtr->hInstance = cs->hInstance;
1068 wndPtr->text = NULL;
1069 wndPtr->hrgnUpdate = 0;
1070 wndPtr->hrgnWnd = 0;
1071 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1072 wndPtr->dwExStyle = cs->dwExStyle;
1073 wndPtr->clsStyle = clsStyle;
1074 wndPtr->wIDmenu = 0;
1075 wndPtr->helpContext = 0;
1076 wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32;
1077 wndPtr->pVScroll = NULL;
1078 wndPtr->pHScroll = NULL;
1079 wndPtr->userdata = 0;
1080 wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0;
1081 wndPtr->cbWndExtra = wndExtra;
1083 if (wndExtra) memset( wndPtr->wExtra, 0, wndExtra);
1085 /* Correct the window style - stage 2 */
1087 if (!(cs->style & WS_CHILD))
1089 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1090 if (!(cs->style & WS_POPUP))
1092 wndPtr->dwStyle |= WS_CAPTION;
1093 wndPtr->flags |= WIN_NEED_SIZE;
1096 SERVER_START_REQ( set_window_info )
1099 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE;
1100 req->style = wndPtr->dwStyle;
1101 req->ex_style = wndPtr->dwExStyle;
1102 req->instance = (void *)wndPtr->hInstance;
1103 wine_server_call( req );
1107 /* Get class or window DC if needed */
1109 if (clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC);
1110 else if (clsStyle & CS_CLASSDC) wndPtr->dce = dce;
1111 else wndPtr->dce = NULL;
1113 /* Set the window menu */
1115 if (((wndPtr->dwStyle & (WS_CAPTION|WS_CHILD)) == WS_CAPTION) ||
1116 (wndPtr->dwExStyle & WS_EX_APPWINDOW))
1118 if (cs->hMenu) SetMenu(hwnd, cs->hMenu);
1121 LPCSTR menuName = (LPCSTR)GetClassLongA( hwnd, GCL_MENUNAME );
1124 if (HIWORD(cs->hInstance))
1125 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1127 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1129 if (cs->hMenu) SetMenu( hwnd, cs->hMenu );
1133 else SetWindowLongW( hwnd, GWL_ID, (UINT)cs->hMenu );
1134 WIN_ReleaseWndPtr( wndPtr );
1136 if (!USER_Driver.pCreateWindow( hwnd, cs, unicode))
1138 WIN_DestroyWindow( hwnd );
1142 /* Notify the parent window only */
1144 send_parent_notify( hwnd, WM_CREATE );
1145 if (!IsWindow( hwnd )) return 0;
1147 if (cs->style & WS_VISIBLE)
1149 /* in case WS_VISIBLE got set in the meantime */
1150 if (!(wndPtr = WIN_GetPtr( hwnd ))) return 0;
1151 WIN_SetStyle( hwnd, wndPtr->dwStyle & ~WS_VISIBLE );
1152 WIN_ReleasePtr( wndPtr );
1153 ShowWindow( hwnd, sw );
1156 /* Call WH_SHELL hook */
1158 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1159 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1161 TRACE("created window %p\n", hwnd);
1166 /***********************************************************************
1167 * CreateWindow (USER.41)
1169 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1170 DWORD style, INT16 x, INT16 y, INT16 width,
1171 INT16 height, HWND16 parent, HMENU16 menu,
1172 HINSTANCE16 instance, LPVOID data )
1174 return CreateWindowEx16( 0, className, windowName, style,
1175 x, y, width, height, parent, menu, instance, data );
1179 /***********************************************************************
1180 * CreateWindowEx (USER.452)
1182 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1183 LPCSTR windowName, DWORD style, INT16 x,
1184 INT16 y, INT16 width, INT16 height,
1185 HWND16 parent, HMENU16 menu,
1186 HINSTANCE16 instance, LPVOID data )
1192 /* Find the class atom */
1194 if (HIWORD(className))
1196 if (!(classAtom = GlobalFindAtomA( className )))
1198 ERR( "bad class name %s\n", debugstr_a(className) );
1204 classAtom = LOWORD(className);
1205 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1207 ERR( "bad atom %x\n", classAtom);
1213 /* Fix the coordinates */
1215 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1216 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1217 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1218 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1220 /* Create the window */
1222 cs.lpCreateParams = data;
1223 cs.hInstance = HINSTANCE_32(instance);
1224 cs.hMenu = HMENU_32(menu);
1225 cs.hwndParent = WIN_Handle32( parent );
1227 cs.lpszName = windowName;
1228 cs.lpszClass = className;
1229 cs.dwExStyle = exStyle;
1231 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_16 ));
1235 /***********************************************************************
1236 * CreateWindowExA (USER32.@)
1238 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1239 LPCSTR windowName, DWORD style, INT x,
1240 INT y, INT width, INT height,
1241 HWND parent, HMENU menu,
1242 HINSTANCE instance, LPVOID data )
1249 instance=GetModuleHandleA(NULL);
1251 if(exStyle & WS_EX_MDICHILD)
1252 return CreateMDIWindowA(className, windowName, style, x, y, width, height, parent, instance, (LPARAM)data);
1254 /* Find the class atom */
1256 if (HIWORD(className))
1258 if (!(classAtom = GlobalFindAtomA( className )))
1260 ERR( "bad class name %s\n", debugstr_a(className) );
1266 classAtom = LOWORD(className);
1267 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1269 ERR( "bad atom %x\n", classAtom);
1275 /* Create the window */
1277 cs.lpCreateParams = data;
1278 cs.hInstance = instance;
1280 cs.hwndParent = parent;
1286 cs.lpszName = windowName;
1287 cs.lpszClass = className;
1288 cs.dwExStyle = exStyle;
1290 return WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_32A );
1294 /***********************************************************************
1295 * CreateWindowExW (USER32.@)
1297 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1298 LPCWSTR windowName, DWORD style, INT x,
1299 INT y, INT width, INT height,
1300 HWND parent, HMENU menu,
1301 HINSTANCE instance, LPVOID data )
1308 instance=GetModuleHandleW(NULL);
1310 if(exStyle & WS_EX_MDICHILD)
1311 return CreateMDIWindowW(className, windowName, style, x, y, width, height, parent, instance, (LPARAM)data);
1313 /* Find the class atom */
1315 if (HIWORD(className))
1317 if (!(classAtom = GlobalFindAtomW( className )))
1319 ERR( "bad class name %s\n", debugstr_w(className) );
1325 classAtom = LOWORD(className);
1326 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1328 ERR( "bad atom %x\n", classAtom);
1334 /* Create the window */
1336 cs.lpCreateParams = data;
1337 cs.hInstance = instance;
1339 cs.hwndParent = parent;
1345 cs.lpszName = windowName;
1346 cs.lpszClass = className;
1347 cs.dwExStyle = exStyle;
1349 /* Note: we rely on the fact that CREATESTRUCTA and */
1350 /* CREATESTRUCTW have the same layout. */
1351 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_PROC_32W );
1355 /***********************************************************************
1356 * WIN_SendDestroyMsg
1358 static void WIN_SendDestroyMsg( HWND hwnd )
1362 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1364 if (hwnd == info.hwndCaret) DestroyCaret();
1366 if (USER_Driver.pResetSelectionOwner)
1367 USER_Driver.pResetSelectionOwner( hwnd, TRUE );
1370 * Send the WM_DESTROY to the window.
1372 SendMessageA( hwnd, WM_DESTROY, 0, 0);
1375 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1376 * make sure that the window still exists when we come back.
1383 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1385 /* start from the end (FIXME: is this needed?) */
1386 for (i = 0; pWndArray[i]; i++) ;
1390 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1392 HeapFree( GetProcessHeap(), 0, pWndArray );
1395 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1399 /***********************************************************************
1400 * DestroyWindow (USER32.@)
1402 BOOL WINAPI DestroyWindow( HWND hwnd )
1407 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1409 SetLastError( ERROR_ACCESS_DENIED );
1413 TRACE("(%p)\n", hwnd);
1415 /* Look whether the focus is within the tree of windows we will
1419 if (h == hwnd || IsChild( hwnd, h ))
1421 HWND parent = GetAncestor( hwnd, GA_PARENT );
1422 if (parent == GetDesktopWindow()) parent = 0;
1428 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1430 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1434 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1435 send_parent_notify( hwnd, WM_DESTROY );
1437 else if (!GetWindow( hwnd, GW_OWNER ))
1439 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1440 /* FIXME: clean up palette - see "Internals" p.352 */
1443 if (!IsWindow(hwnd)) return TRUE;
1445 if (USER_Driver.pResetSelectionOwner)
1446 USER_Driver.pResetSelectionOwner( hwnd, FALSE ); /* before the window is unmapped */
1448 /* Hide the window */
1450 if (!ShowWindow( hwnd, SW_HIDE ))
1452 if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
1454 if (!IsWindow(hwnd)) return TRUE;
1456 /* Recursively destroy owned windows */
1463 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1466 for (i = 0; list[i]; i++)
1468 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1469 if (WIN_IsCurrentThread( list[i] ))
1471 DestroyWindow( list[i] );
1475 WIN_SetOwner( list[i], 0 );
1477 HeapFree( GetProcessHeap(), 0, list );
1479 if (!got_one) break;
1483 /* Send destroy messages */
1485 WIN_SendDestroyMsg( hwnd );
1486 if (!IsWindow( hwnd )) return TRUE;
1488 if (GetClipboardOwner() == hwnd)
1489 CLIPBOARD_ReleaseOwner();
1491 /* Unlink now so we won't bother with the children later on */
1493 WIN_UnlinkWindow( hwnd );
1495 /* Destroy the window storage */
1497 WIN_DestroyWindow( hwnd );
1502 /***********************************************************************
1503 * CloseWindow (USER32.@)
1505 BOOL WINAPI CloseWindow( HWND hwnd )
1507 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1508 ShowWindow( hwnd, SW_MINIMIZE );
1513 /***********************************************************************
1514 * OpenIcon (USER32.@)
1516 BOOL WINAPI OpenIcon( HWND hwnd )
1518 if (!IsIconic( hwnd )) return FALSE;
1519 ShowWindow( hwnd, SW_SHOWNORMAL );
1524 /***********************************************************************
1527 * Implementation of FindWindow() and FindWindowEx().
1529 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1534 WCHAR *buffer = NULL;
1536 if (!parent) parent = GetDesktopWindow();
1539 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1540 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1543 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1547 child = WIN_GetFullHandle( child );
1548 while (list[i] && list[i] != child) i++;
1549 if (!list[i]) goto done;
1550 i++; /* start from next window */
1557 if (GetWindowTextW( list[i], buffer, len ) && !strcmpiW( buffer, title )) break;
1564 if (list) HeapFree( GetProcessHeap(), 0, list );
1565 if (buffer) HeapFree( GetProcessHeap(), 0, buffer );
1571 /***********************************************************************
1572 * FindWindowA (USER32.@)
1574 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1576 HWND ret = FindWindowExA( 0, 0, className, title );
1577 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1582 /***********************************************************************
1583 * FindWindowExA (USER32.@)
1585 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1586 LPCSTR className, LPCSTR title )
1595 /* If the atom doesn't exist, then no class */
1596 /* with this name exists either. */
1597 if (!(atom = GlobalFindAtomA( className )))
1599 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1603 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1605 len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1606 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1607 MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
1608 hwnd = WIN_FindWindow( parent, child, atom, buffer );
1609 HeapFree( GetProcessHeap(), 0, buffer );
1614 /***********************************************************************
1615 * FindWindowExW (USER32.@)
1617 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1618 LPCWSTR className, LPCWSTR title )
1624 /* If the atom doesn't exist, then no class */
1625 /* with this name exists either. */
1626 if (!(atom = GlobalFindAtomW( className )))
1628 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1632 return WIN_FindWindow( parent, child, atom, title );
1636 /***********************************************************************
1637 * FindWindowW (USER32.@)
1639 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1641 return FindWindowExW( 0, 0, className, title );
1645 /**********************************************************************
1646 * GetDesktopWindow (USER32.@)
1648 HWND WINAPI GetDesktopWindow(void)
1650 if (pWndDesktop) return pWndDesktop->hwndSelf;
1651 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" );
1657 /*******************************************************************
1658 * EnableWindow (USER32.@)
1660 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1667 if (is_broadcast(hwnd))
1669 SetLastError( ERROR_INVALID_PARAMETER );
1673 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1674 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1678 TRACE("( %p, %d )\n", hwnd, enable);
1680 if (!(wndPtr = WIN_GetPtr( hwnd ))) return FALSE;
1681 style = wndPtr->dwStyle;
1682 retvalue = ((style & WS_DISABLED) != 0);
1683 WIN_ReleasePtr( wndPtr );
1685 if (enable && retvalue)
1687 WIN_SetStyle( hwnd, style & ~WS_DISABLED );
1688 SendMessageA( hwnd, WM_ENABLE, TRUE, 0 );
1690 else if (!enable && !retvalue)
1692 HWND focus_wnd, capture_wnd;
1694 SendMessageA( hwnd, WM_CANCELMODE, 0, 0);
1696 WIN_SetStyle( hwnd, style | WS_DISABLED );
1698 focus_wnd = GetFocus();
1699 if (hwnd == focus_wnd || IsChild(hwnd, focus_wnd))
1700 SetFocus( 0 ); /* A disabled window can't have the focus */
1702 capture_wnd = GetCapture();
1703 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1704 ReleaseCapture(); /* A disabled window can't capture the mouse */
1706 SendMessageA( hwnd, WM_ENABLE, FALSE, 0 );
1712 /***********************************************************************
1713 * IsWindowEnabled (USER32.@)
1715 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1717 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1721 /***********************************************************************
1722 * IsWindowUnicode (USER32.@)
1724 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1729 if (!(wndPtr = WIN_FindWndPtr(hwnd))) return FALSE;
1730 retvalue = (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W);
1731 WIN_ReleaseWndPtr(wndPtr);
1736 /**********************************************************************
1737 * GetWindowWord (USER32.@)
1739 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
1744 WND *wndPtr = WIN_GetPtr( hwnd );
1747 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1750 if (wndPtr == WND_OTHER_PROCESS)
1752 if (IsWindow( hwnd ))
1753 FIXME( "(%d) not supported yet on other process window %p\n", offset, hwnd );
1754 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1757 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1759 WARN("Invalid offset %d\n", offset );
1760 SetLastError( ERROR_INVALID_INDEX );
1762 else retvalue = *(WORD *)(((char *)wndPtr->wExtra) + offset);
1763 WIN_ReleasePtr( wndPtr );
1769 case GWL_HWNDPARENT:
1770 return GetWindowLongW( hwnd, offset );
1774 LONG ret = GetWindowLongW( hwnd, offset );
1776 WARN("%d: discards high bits of 0x%08lx!\n", offset, ret );
1780 WARN("Invalid offset %d\n", offset );
1786 /**********************************************************************
1787 * SetWindowWord (USER32.@)
1789 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
1798 case GWL_HWNDPARENT:
1799 return SetWindowLongW( hwnd, offset, (UINT)newval );
1803 WARN("Invalid offset %d\n", offset );
1804 SetLastError( ERROR_INVALID_INDEX );
1809 wndPtr = WIN_GetPtr( hwnd );
1810 if (wndPtr == WND_OTHER_PROCESS)
1813 FIXME( "set %d <- %x not supported yet on other process window %p\n",
1814 offset, newval, hwnd );
1819 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1823 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1825 WARN("Invalid offset %d\n", offset );
1826 WIN_ReleasePtr(wndPtr);
1827 SetLastError( ERROR_INVALID_INDEX );
1830 ptr = (WORD *)(((char *)wndPtr->wExtra) + offset);
1833 WIN_ReleasePtr(wndPtr);
1838 /**********************************************************************
1841 * Helper function for GetWindowLong().
1843 static LONG WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type )
1848 if (offset == GWL_HWNDPARENT)
1850 HWND parent = GetAncestor( hwnd, GA_PARENT );
1851 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1852 return (LONG)parent;
1855 if (!(wndPtr = WIN_GetPtr( hwnd )))
1857 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1861 if (wndPtr == WND_OTHER_PROCESS)
1866 FIXME( "(%d) not supported on other process window %p\n", offset, hwnd );
1867 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1870 if (offset == GWL_WNDPROC)
1872 SetLastError( ERROR_ACCESS_DENIED );
1875 SERVER_START_REQ( set_window_info )
1878 req->flags = 0; /* don't set anything, just retrieve */
1879 if (!wine_server_call_err( req ))
1883 case GWL_STYLE: retvalue = reply->old_style; break;
1884 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1885 case GWL_ID: retvalue = reply->old_id; break;
1886 case GWL_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1887 case GWL_USERDATA: retvalue = (ULONG_PTR)reply->old_user_data; break;
1889 SetLastError( ERROR_INVALID_INDEX );
1898 /* now we have a valid wndPtr */
1902 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
1905 * Some programs try to access last element from 16 bit
1906 * code using illegal offset value. Hopefully this is
1907 * what those programs really expect.
1909 if (type == WIN_PROC_16 &&
1910 wndPtr->cbWndExtra >= 4 &&
1911 offset == wndPtr->cbWndExtra - sizeof(WORD))
1913 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
1915 ERR( "- replaced invalid offset %d with %d\n",
1918 retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset2);
1919 WIN_ReleasePtr( wndPtr );
1922 WARN("Invalid offset %d\n", offset );
1923 WIN_ReleasePtr( wndPtr );
1924 SetLastError( ERROR_INVALID_INDEX );
1927 retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset);
1928 /* Special case for dialog window procedure */
1929 if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
1930 retvalue = (LONG)WINPROC_GetProc( (WNDPROC)retvalue, type );
1931 WIN_ReleasePtr( wndPtr );
1937 case GWL_USERDATA: retvalue = wndPtr->userdata; break;
1938 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
1939 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
1940 case GWL_ID: retvalue = (LONG)wndPtr->wIDmenu; break;
1941 case GWL_WNDPROC: retvalue = (LONG)WINPROC_GetProc( wndPtr->winproc, type ); break;
1942 case GWL_HINSTANCE: retvalue = (LONG)wndPtr->hInstance; break;
1944 WARN("Unknown offset %d\n", offset );
1945 SetLastError( ERROR_INVALID_INDEX );
1948 WIN_ReleasePtr(wndPtr);
1953 /**********************************************************************
1956 * Helper function for SetWindowLong().
1958 * 0 is the failure code. However, in the case of failure SetLastError
1959 * must be set to distinguish between a 0 return value and a failure.
1961 static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
1962 WINDOWPROCTYPE type )
1967 TRACE( "%p %d %lx %x\n", hwnd, offset, newval, type );
1969 if (is_broadcast(hwnd))
1971 SetLastError( ERROR_INVALID_PARAMETER );
1974 if (!WIN_IsCurrentProcess( hwnd ))
1976 if (offset == GWL_WNDPROC)
1978 SetLastError( ERROR_ACCESS_DENIED );
1981 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, offset, newval );
1984 wndPtr = WIN_GetPtr( hwnd );
1985 if (wndPtr->hwndSelf == GetDesktopWindow())
1987 /* can't change anything on the desktop window */
1988 WIN_ReleasePtr( wndPtr );
1989 SetLastError( ERROR_ACCESS_DENIED );
1995 LONG *ptr = (LONG *)(((char *)wndPtr->wExtra) + offset);
1996 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
1998 WARN("Invalid offset %d\n", offset );
1999 WIN_ReleasePtr( wndPtr );
2000 SetLastError( ERROR_INVALID_INDEX );
2003 /* Special case for dialog window procedure */
2004 if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
2006 retval = (LONG)WINPROC_GetProc( (WNDPROC)*ptr, type );
2007 WINPROC_SetProc( (WNDPROC *)ptr, (WNDPROC)newval, type, WIN_PROC_WINDOW );
2008 WIN_ReleasePtr( wndPtr );
2013 WIN_ReleasePtr( wndPtr );
2020 /* first some special cases */
2026 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
2027 style.styleNew = newval;
2028 WIN_ReleasePtr( wndPtr );
2029 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
2030 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2031 newval = style.styleNew;
2033 case GWL_HWNDPARENT:
2034 if (wndPtr->parent == GetDesktopWindow())
2036 WIN_ReleasePtr( wndPtr );
2037 return (LONG)WIN_SetOwner( hwnd, (HWND)newval );
2041 WIN_ReleasePtr( wndPtr );
2042 return (LONG)SetParent( hwnd, (HWND)newval );
2045 retval = (LONG)WINPROC_GetProc( wndPtr->winproc, type );
2046 WINPROC_SetProc( &wndPtr->winproc, (WNDPROC)newval, type, WIN_PROC_WINDOW );
2047 WIN_ReleasePtr( wndPtr );
2054 WIN_ReleasePtr( wndPtr );
2055 WARN("Invalid offset %d\n", offset );
2056 SetLastError( ERROR_INVALID_INDEX );
2060 SERVER_START_REQ( set_window_info )
2066 req->flags = SET_WIN_STYLE;
2067 req->style = newval;
2070 req->flags = SET_WIN_EXSTYLE;
2071 req->ex_style = newval;
2074 req->flags = SET_WIN_ID;
2078 req->flags = SET_WIN_INSTANCE;
2079 req->instance = (void *)newval;
2082 req->flags = SET_WIN_USERDATA;
2083 req->user_data = (void *)newval;
2086 if ((ok = !wine_server_call_err( req )))
2091 wndPtr->dwStyle = newval;
2092 retval = reply->old_style;
2095 wndPtr->dwExStyle = newval;
2096 retval = reply->old_ex_style;
2099 wndPtr->wIDmenu = newval;
2100 retval = reply->old_id;
2103 wndPtr->hInstance = (HINSTANCE)newval;
2104 retval = (ULONG_PTR)reply->old_instance;
2107 wndPtr->userdata = newval;
2108 retval = (ULONG_PTR)reply->old_user_data;
2114 WIN_ReleasePtr( wndPtr );
2118 if (offset == GWL_STYLE && USER_Driver.pSetWindowStyle)
2119 USER_Driver.pSetWindowStyle( hwnd, retval );
2121 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2122 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2129 /**********************************************************************
2130 * GetWindowLong (USER.135)
2132 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2134 return WIN_GetWindowLong( WIN_Handle32(hwnd), offset, WIN_PROC_16 );
2138 /**********************************************************************
2139 * GetWindowLongA (USER32.@)
2141 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2143 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A );
2147 /**********************************************************************
2148 * GetWindowLongW (USER32.@)
2150 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2152 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W );
2156 /**********************************************************************
2157 * SetWindowLong (USER.136)
2159 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2161 return WIN_SetWindowLong( WIN_Handle32(hwnd), offset, newval, WIN_PROC_16 );
2165 /**********************************************************************
2166 * SetWindowLongA (USER32.@)
2168 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2170 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A );
2174 /**********************************************************************
2175 * SetWindowLongW (USER32.@) Set window attribute
2177 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2178 * value in a window's extra memory.
2180 * The _hwnd_ parameter specifies the window. is the handle to a
2181 * window that has extra memory. The _newval_ parameter contains the
2182 * new attribute or extra memory value. If positive, the _offset_
2183 * parameter is the byte-addressed location in the window's extra
2184 * memory to set. If negative, _offset_ specifies the window
2185 * attribute to set, and should be one of the following values:
2187 * GWL_EXSTYLE The window's extended window style
2189 * GWL_STYLE The window's window style.
2191 * GWL_WNDPROC Pointer to the window's window procedure.
2193 * GWL_HINSTANCE The window's pplication instance handle.
2195 * GWL_ID The window's identifier.
2197 * GWL_USERDATA The window's user-specified data.
2199 * If the window is a dialog box, the _offset_ parameter can be one of
2200 * the following values:
2202 * DWL_DLGPROC The address of the window's dialog box procedure.
2204 * DWL_MSGRESULT The return value of a message
2205 * that the dialog box procedure processed.
2207 * DWL_USER Application specific information.
2211 * If successful, returns the previous value located at _offset_. Otherwise,
2216 * Extra memory for a window class is specified by a nonzero cbWndExtra
2217 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2218 * time of class creation.
2220 * Using GWL_WNDPROC to set a new window procedure effectively creates
2221 * a window subclass. Use CallWindowProc() in the new windows procedure
2222 * to pass messages to the superclass's window procedure.
2224 * The user data is reserved for use by the application which created
2227 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2228 * instead, call the EnableWindow() function to change the window's
2231 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2232 * SetParent() instead.
2235 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2236 * it sends WM_STYLECHANGING before changing the settings
2237 * and WM_STYLECHANGED afterwards.
2238 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2240 LONG WINAPI SetWindowLongW(
2241 HWND hwnd, /* [in] window to alter */
2242 INT offset, /* [in] offset, in bytes, of location to alter */
2243 LONG newval /* [in] new value of location */
2245 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W );
2249 /*******************************************************************
2250 * GetWindowTextA (USER32.@)
2252 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2256 if (WIN_IsCurrentProcess( hwnd ))
2257 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2259 /* when window belongs to other process, don't send a message */
2260 if (nMaxCount <= 0) return 0;
2261 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2262 get_server_window_text( hwnd, buffer, nMaxCount );
2263 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2264 lpString[nMaxCount-1] = 0;
2265 HeapFree( GetProcessHeap(), 0, buffer );
2266 return strlen(lpString);
2270 /*******************************************************************
2271 * InternalGetWindowText (USER32.@)
2273 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2277 if (nMaxCount <= 0) return 0;
2278 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2279 if (win != WND_OTHER_PROCESS)
2281 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2282 else lpString[0] = 0;
2283 WIN_ReleasePtr( win );
2287 get_server_window_text( hwnd, lpString, nMaxCount );
2289 return strlenW(lpString);
2293 /*******************************************************************
2294 * GetWindowTextW (USER32.@)
2296 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2298 if (WIN_IsCurrentProcess( hwnd ))
2299 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2301 /* when window belongs to other process, don't send a message */
2302 if (nMaxCount <= 0) return 0;
2303 get_server_window_text( hwnd, lpString, nMaxCount );
2304 return strlenW(lpString);
2308 /*******************************************************************
2309 * SetWindowText (USER32.@)
2310 * SetWindowTextA (USER32.@)
2312 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2314 if (is_broadcast(hwnd))
2316 SetLastError( ERROR_INVALID_PARAMETER );
2319 if (!WIN_IsCurrentProcess( hwnd ))
2321 FIXME( "cannot set text %s of other process window %p\n", debugstr_a(lpString), hwnd );
2322 SetLastError( ERROR_ACCESS_DENIED );
2325 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2329 /*******************************************************************
2330 * SetWindowTextW (USER32.@)
2332 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2334 if (is_broadcast(hwnd))
2336 SetLastError( ERROR_INVALID_PARAMETER );
2339 if (!WIN_IsCurrentProcess( hwnd ))
2341 FIXME( "cannot set text %s of other process window %p\n", debugstr_w(lpString), hwnd );
2342 SetLastError( ERROR_ACCESS_DENIED );
2345 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2349 /*******************************************************************
2350 * GetWindowTextLengthA (USER32.@)
2352 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2354 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2357 /*******************************************************************
2358 * GetWindowTextLengthW (USER32.@)
2360 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2362 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2366 /*******************************************************************
2367 * IsWindow (USER32.@)
2369 BOOL WINAPI IsWindow( HWND hwnd )
2374 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2376 if (ptr != WND_OTHER_PROCESS)
2378 WIN_ReleasePtr( ptr );
2382 /* check other processes */
2383 SERVER_START_REQ( get_window_info )
2386 ret = !wine_server_call_err( req );
2393 /***********************************************************************
2394 * GetWindowThreadProcessId (USER32.@)
2396 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2401 if (!(ptr = WIN_GetPtr( hwnd )))
2403 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2407 if (ptr != WND_OTHER_PROCESS)
2409 /* got a valid window */
2411 if (process) *process = GetCurrentProcessId();
2412 WIN_ReleasePtr( ptr );
2416 /* check other processes */
2417 SERVER_START_REQ( get_window_info )
2420 if (!wine_server_call_err( req ))
2422 tid = (DWORD)reply->tid;
2423 if (process) *process = (DWORD)reply->pid;
2431 /*****************************************************************
2432 * GetParent (USER32.@)
2434 HWND WINAPI GetParent( HWND hwnd )
2439 if (!(wndPtr = WIN_GetPtr( hwnd )))
2441 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2444 if (wndPtr == WND_OTHER_PROCESS)
2446 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2447 if (style & (WS_POPUP | WS_CHILD))
2449 SERVER_START_REQ( get_window_tree )
2452 if (!wine_server_call_err( req ))
2454 if (style & WS_POPUP) retvalue = reply->owner;
2455 else if (style & WS_CHILD) retvalue = reply->parent;
2463 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2464 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2465 WIN_ReleasePtr( wndPtr );
2471 /*****************************************************************
2472 * GetAncestor (USER32.@)
2474 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2477 HWND *list, ret = 0;
2482 if (!(win = WIN_GetPtr( hwnd )))
2484 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2487 if (win != WND_OTHER_PROCESS)
2490 WIN_ReleasePtr( win );
2492 else /* need to query the server */
2494 SERVER_START_REQ( get_window_tree )
2497 if (!wine_server_call_err( req )) ret = reply->parent;
2504 if (!(list = WIN_ListParents( hwnd ))) return 0;
2506 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2510 while (list[count]) count++;
2511 ret = list[count - 2]; /* get the one before the desktop */
2513 HeapFree( GetProcessHeap(), 0, list );
2517 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2520 HWND parent = GetParent( ret );
2530 /*****************************************************************
2531 * SetParent (USER32.@)
2533 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2536 HWND retvalue, full_handle;
2539 if (is_broadcast(hwnd) || is_broadcast(parent))
2541 SetLastError(ERROR_INVALID_PARAMETER);
2545 if (!parent) parent = GetDesktopWindow();
2546 else parent = WIN_GetFullHandle( parent );
2548 if (!IsWindow( parent ))
2550 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2554 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2555 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2559 if (USER_Driver.pSetParent)
2560 return USER_Driver.pSetParent( hwnd, parent );
2562 /* Windows hides the window first, then shows it again
2563 * including the WM_SHOWWINDOW messages and all */
2564 was_visible = ShowWindow( hwnd, SW_HIDE );
2566 if (!IsWindow( parent )) return 0;
2567 if (!(wndPtr = WIN_GetPtr(hwnd)) || wndPtr == WND_OTHER_PROCESS) return 0;
2569 retvalue = wndPtr->parent; /* old parent */
2570 if (parent != retvalue)
2572 WIN_LinkWindow( hwnd, parent, HWND_TOP );
2574 if (parent != GetDesktopWindow()) /* a child window */
2576 if (!(wndPtr->dwStyle & WS_CHILD))
2578 HMENU menu = (HMENU)SetWindowLongW( hwnd, GWL_ID, 0 );
2579 if (menu) DestroyMenu( menu );
2583 WIN_ReleasePtr( wndPtr );
2585 /* SetParent additionally needs to make hwnd the topmost window
2586 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2587 WM_WINDOWPOSCHANGED notification messages.
2589 SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
2590 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2591 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2592 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2597 /*******************************************************************
2598 * IsChild (USER32.@)
2600 BOOL WINAPI IsChild( HWND parent, HWND child )
2602 HWND *list = WIN_ListParents( child );
2606 if (!list) return FALSE;
2607 parent = WIN_GetFullHandle( parent );
2608 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2609 ret = (list[i] != 0);
2610 HeapFree( GetProcessHeap(), 0, list );
2615 /***********************************************************************
2616 * IsWindowVisible (USER32.@)
2618 BOOL WINAPI IsWindowVisible( HWND hwnd )
2624 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2625 if (!(list = WIN_ListParents( hwnd ))) return TRUE;
2626 for (i = 0; list[i]; i++)
2627 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2629 HeapFree( GetProcessHeap(), 0, list );
2634 /***********************************************************************
2635 * WIN_IsWindowDrawable
2637 * hwnd is drawable when it is visible, all parents are not
2638 * minimized, and it is itself not minimized unless we are
2639 * trying to draw its default class icon.
2641 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2646 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2648 if (!(style & WS_VISIBLE)) return FALSE;
2649 if ((style & WS_MINIMIZE) && icon && GetClassLongA( hwnd, GCL_HICON )) return FALSE;
2651 if (!(list = WIN_ListParents( hwnd ))) return TRUE;
2652 for (i = 0; list[i]; i++)
2653 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2656 HeapFree( GetProcessHeap(), 0, list );
2661 /*******************************************************************
2662 * GetTopWindow (USER32.@)
2664 HWND WINAPI GetTopWindow( HWND hwnd )
2666 if (!hwnd) hwnd = GetDesktopWindow();
2667 return GetWindow( hwnd, GW_CHILD );
2671 /*******************************************************************
2672 * GetWindow (USER32.@)
2674 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2678 if (rel == GW_OWNER) /* this one may be available locally */
2680 WND *wndPtr = WIN_GetPtr( hwnd );
2683 SetLastError( ERROR_INVALID_HANDLE );
2686 if (wndPtr != WND_OTHER_PROCESS)
2688 retval = wndPtr->owner;
2689 WIN_ReleasePtr( wndPtr );
2692 /* else fall through to server call */
2695 SERVER_START_REQ( get_window_tree )
2698 if (!wine_server_call_err( req ))
2703 retval = reply->first_sibling;
2706 retval = reply->last_sibling;
2709 retval = reply->next_sibling;
2712 retval = reply->prev_sibling;
2715 retval = reply->owner;
2718 retval = reply->first_child;
2728 /***********************************************************************
2729 * WIN_InternalShowOwnedPopups
2731 * Internal version of ShowOwnedPopups; Wine functions should use this
2732 * to avoid interfering with application calls to ShowOwnedPopups
2733 * and to make sure the application can't prevent showing/hiding.
2735 * Set unmanagedOnly to TRUE to show/hide unmanaged windows only.
2739 BOOL WIN_InternalShowOwnedPopups( HWND owner, BOOL fShow, BOOL unmanagedOnly )
2743 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2745 if (!win_array) return TRUE;
2748 * Show windows Lowest first, Highest last to preserve Z-Order
2750 while (win_array[count]) count++;
2751 while (--count >= 0)
2753 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2754 if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue;
2756 if (pWnd->dwStyle & WS_POPUP)
2760 /* check in window was flagged for showing in previous WIN_InternalShowOwnedPopups call */
2761 if (pWnd->flags & WIN_NEEDS_INTERNALSOP)
2764 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2766 ShowWindow(pWnd->hwndSelf,SW_SHOW);
2767 pWnd->flags &= ~WIN_NEEDS_INTERNALSOP; /* remove the flag */
2772 if ( IsWindowVisible(pWnd->hwndSelf) && /* hide only if window is visible */
2773 !( pWnd->flags & WIN_NEEDS_INTERNALSOP ) && /* don't hide if previous call already did it */
2774 !( unmanagedOnly && (pWnd->dwExStyle & WS_EX_MANAGED) ) ) /* don't hide managed windows if unmanagedOnly is TRUE */
2777 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2779 ShowWindow(pWnd->hwndSelf,SW_HIDE);
2780 /* flag the window for showing on next WIN_InternalShowOwnedPopups call */
2781 pWnd->flags |= WIN_NEEDS_INTERNALSOP;
2785 WIN_ReleaseWndPtr( pWnd );
2787 HeapFree( GetProcessHeap(), 0, win_array );
2792 /*******************************************************************
2793 * ShowOwnedPopups (USER32.@)
2795 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2799 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2801 if (!win_array) return TRUE;
2803 while (win_array[count]) count++;
2804 while (--count >= 0)
2806 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2807 if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue;
2809 if (pWnd->dwStyle & WS_POPUP)
2813 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2815 /* In Windows, ShowOwnedPopups(TRUE) generates
2816 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2817 * regardless of the state of the owner
2819 SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_SHOW, SW_PARENTOPENING);
2820 pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
2825 if (IsWindowVisible(pWnd->hwndSelf))
2827 /* In Windows, ShowOwnedPopups(FALSE) generates
2828 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2829 * regardless of the state of the owner
2831 SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2832 pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
2836 WIN_ReleaseWndPtr( pWnd );
2838 HeapFree( GetProcessHeap(), 0, win_array );
2843 /*******************************************************************
2844 * GetLastActivePopup (USER32.@)
2846 HWND WINAPI GetLastActivePopup( HWND hwnd )
2850 SERVER_START_REQ( get_window_info )
2853 if (!wine_server_call_err( req )) retval = reply->last_active;
2860 /*******************************************************************
2863 * Build an array of all parents of a given window, starting with
2864 * the immediate parent. The array must be freed with HeapFree.
2865 * Returns NULL if window is a top-level window.
2867 HWND *WIN_ListParents( HWND hwnd )
2870 HWND current, *list;
2871 int pos = 0, size = 16, count = 0;
2873 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
2878 if (!(win = WIN_GetPtr( current ))) goto empty;
2879 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
2880 list[pos] = win->parent;
2881 WIN_ReleasePtr( win );
2882 if (!(current = list[pos]))
2884 if (!pos) goto empty;
2887 if (++pos == size - 1)
2889 /* need to grow the list */
2890 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
2891 if (!new_list) goto empty;
2897 /* at least one parent belongs to another process, have to query the server */
2902 SERVER_START_REQ( get_window_parents )
2905 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
2906 if (!wine_server_call( req )) count = reply->count;
2909 if (!count) goto empty;
2915 HeapFree( GetProcessHeap(), 0, list );
2917 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
2921 HeapFree( GetProcessHeap(), 0, list );
2926 /*******************************************************************
2929 * Build an array of the children of a given window. The array must be
2930 * freed with HeapFree. Returns NULL when no windows are found.
2932 HWND *WIN_ListChildren( HWND hwnd )
2934 return list_window_children( hwnd, 0, 0 );
2938 /*******************************************************************
2939 * EnumWindows (USER32.@)
2941 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2947 /* We have to build a list of all windows first, to avoid */
2948 /* unpleasant side-effects, for instance if the callback */
2949 /* function changes the Z-order of the windows. */
2951 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2953 /* Now call the callback function for every window */
2955 iWndsLocks = WIN_SuspendWndsLock();
2956 for (i = 0; list[i]; i++)
2958 /* Make sure that the window still exists */
2959 if (!IsWindow( list[i] )) continue;
2960 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2962 WIN_RestoreWndsLock(iWndsLocks);
2963 HeapFree( GetProcessHeap(), 0, list );
2968 /**********************************************************************
2969 * EnumThreadWindows (USER32.@)
2971 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2976 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2978 /* Now call the callback function for every window */
2980 iWndsLocks = WIN_SuspendWndsLock();
2981 for (i = 0; list[i]; i++)
2982 if (!func( list[i], lParam )) break;
2983 WIN_RestoreWndsLock(iWndsLocks);
2984 HeapFree( GetProcessHeap(), 0, list );
2989 /**********************************************************************
2990 * WIN_EnumChildWindows
2992 * Helper function for EnumChildWindows().
2994 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2999 for ( ; *list; list++)
3001 /* Make sure that the window still exists */
3002 if (!IsWindow( *list )) continue;
3003 /* skip owned windows */
3004 if (GetWindow( *list, GW_OWNER )) continue;
3005 /* Build children list first */
3006 childList = WIN_ListChildren( *list );
3008 ret = func( *list, lParam );
3012 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
3013 HeapFree( GetProcessHeap(), 0, childList );
3015 if (!ret) return FALSE;
3021 /**********************************************************************
3022 * EnumChildWindows (USER32.@)
3024 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
3029 if (!(list = WIN_ListChildren( parent ))) return FALSE;
3030 iWndsLocks = WIN_SuspendWndsLock();
3031 WIN_EnumChildWindows( list, func, lParam );
3032 WIN_RestoreWndsLock(iWndsLocks);
3033 HeapFree( GetProcessHeap(), 0, list );
3038 /*******************************************************************
3039 * AnyPopup (USER.52)
3041 BOOL16 WINAPI AnyPopup16(void)
3047 /*******************************************************************
3048 * AnyPopup (USER32.@)
3050 BOOL WINAPI AnyPopup(void)
3054 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3056 if (!list) return FALSE;
3057 for (i = 0; list[i]; i++)
3059 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3061 retvalue = (list[i] != 0);
3062 HeapFree( GetProcessHeap(), 0, list );
3067 /*******************************************************************
3068 * FlashWindow (USER32.@)
3070 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3072 WND *wndPtr = WIN_FindWndPtr(hWnd);
3074 TRACE("%p\n", hWnd);
3076 if (!wndPtr) return FALSE;
3077 hWnd = wndPtr->hwndSelf; /* make it a full handle */
3079 if (wndPtr->dwStyle & WS_MINIMIZE)
3081 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3083 HDC hDC = GetDC(hWnd);
3085 if (!SendMessageW( hWnd, WM_ERASEBKGND, (WPARAM)hDC, 0 ))
3086 wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
3088 ReleaseDC( hWnd, hDC );
3089 wndPtr->flags |= WIN_NCACTIVATED;
3093 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3094 wndPtr->flags &= ~WIN_NCACTIVATED;
3096 WIN_ReleaseWndPtr(wndPtr);
3102 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3103 else wparam = (hWnd == GetForegroundWindow());
3105 WIN_ReleaseWndPtr(wndPtr);
3106 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
3111 /*******************************************************************
3112 * FlashWindowEx (USER32.@)
3114 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3116 FIXME("%p\n", pfwi);
3120 /*******************************************************************
3121 * GetWindowContextHelpId (USER32.@)
3123 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3126 WND *wnd = WIN_FindWndPtr( hwnd );
3128 retval = wnd->helpContext;
3129 WIN_ReleaseWndPtr(wnd);
3134 /*******************************************************************
3135 * SetWindowContextHelpId (USER32.@)
3137 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3139 WND *wnd = WIN_FindWndPtr( hwnd );
3140 if (!wnd) return FALSE;
3141 wnd->helpContext = id;
3142 WIN_ReleaseWndPtr(wnd);
3147 /*******************************************************************
3148 * DragDetect (USER32.@)
3150 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3155 rect.left = pt.x - wDragWidth;
3156 rect.right = pt.x + wDragWidth;
3158 rect.top = pt.y - wDragHeight;
3159 rect.bottom = pt.y + wDragHeight;
3165 while(PeekMessageA(&msg ,0 ,WM_MOUSEFIRST ,WM_MOUSELAST ,PM_REMOVE))
3167 if( msg.message == WM_LBUTTONUP )
3172 if( msg.message == WM_MOUSEMOVE )
3175 tmp.x = LOWORD(msg.lParam);
3176 tmp.y = HIWORD(msg.lParam);
3177 if( !PtInRect( &rect, tmp ))
3189 /******************************************************************************
3190 * GetWindowModuleFileNameA (USER32.@)
3192 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3194 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3195 hwnd, lpszFileName, cchFileNameMax);
3199 /******************************************************************************
3200 * GetWindowModuleFileNameW (USER32.@)
3202 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3204 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3205 hwnd, lpszFileName, cchFileNameMax);
3209 /******************************************************************************
3210 * GetWindowInfo (USER32.@)
3213 * MS Documentation mentions that pwi->cbSize must be set to SIZEOF(WINDOWINFO)
3214 * this may be because this structure changed over time. If this is the
3215 * the case, then please: FIXME.
3216 * Using the structure described in MSDN for 98/ME/NT(4.0 SP3)/2000/XP.
3218 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3220 if (!pwi) return FALSE;
3221 if (pwi->cbSize != sizeof(WINDOWINFO))
3223 FIXME("windowinfo->cbSize != sizeof(WINDOWINFO). Please report\n");
3226 if (!IsWindow(hwnd)) return FALSE;
3228 GetWindowRect(hwnd, &pwi->rcWindow);
3229 GetClientRect(hwnd, &pwi->rcClient);
3230 /* translate to screen coordinates */
3231 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3233 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3234 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3235 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3237 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3238 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3240 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3241 pwi->wCreatorVersion = 0x0400;