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"
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) >> 1)
49 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
51 /**********************************************************************/
54 static WND *pWndDesktop = NULL;
56 static WORD wDragWidth = 4;
57 static WORD wDragHeight= 3;
59 static void *user_handles[NB_USER_HANDLES];
61 /***********************************************************************
62 * create_window_handle
64 * Create a window handle with the server.
66 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
67 HINSTANCE instance, WINDOWPROCTYPE type )
71 struct tagCLASS *class = NULL;
72 user_handle_t handle = 0;
75 /* if 16-bit instance, map to module handle */
76 if (instance && !HIWORD(instance))
77 instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
79 SERVER_START_REQ( create_window )
84 req->instance = instance;
85 if (!wine_server_call_err( req ))
87 handle = reply->handle;
88 extra_bytes = reply->extra;
89 class = reply->class_ptr;
96 WARN( "error %ld creating window\n", GetLastError() );
100 if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
102 SERVER_START_REQ( destroy_window )
104 req->handle = handle;
105 wine_server_call( req );
108 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
114 index = USER_HANDLE_TO_INDEX(handle);
115 assert( index < NB_USER_HANDLES );
116 user_handles[index] = win;
117 win->hwndSelf = handle;
118 win->dwMagic = WND_MAGIC;
120 win->cbWndExtra = extra_bytes;
121 memset( win->wExtra, 0, extra_bytes );
122 CLASS_AddWindow( class, win, type );
127 /***********************************************************************
130 * Free a window handle.
132 static WND *free_window_handle( HWND hwnd )
135 WORD index = USER_HANDLE_TO_INDEX(hwnd);
137 if (index >= NB_USER_HANDLES) return NULL;
139 if ((ptr = user_handles[index]))
141 SERVER_START_REQ( destroy_window )
144 if (!wine_server_call_err( req ))
145 user_handles[index] = NULL;
152 HeapFree( GetProcessHeap(), 0, ptr );
157 /*******************************************************************
158 * list_window_children
160 * Build an array of the children of a given window. The array must be
161 * freed with HeapFree. Returns NULL when no windows are found.
163 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
172 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
174 SERVER_START_REQ( get_window_children )
179 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
180 if (!wine_server_call( req )) count = reply->count;
183 if (count && count < size)
188 HeapFree( GetProcessHeap(), 0, list );
190 size = count + 1; /* restart with a large enough buffer */
196 /*******************************************************************
199 static void send_parent_notify( HWND hwnd, UINT msg )
201 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
202 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
203 SendMessageW( GetParent(hwnd), WM_PARENTNOTIFY,
204 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
208 /*******************************************************************
209 * get_server_window_text
211 * Retrieve the window text from the server.
213 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
217 SERVER_START_REQ( get_window_text )
220 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
221 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
224 text[len / sizeof(WCHAR)] = 0;
228 /***********************************************************************
231 * Return a pointer to the WND structure if local to the process,
232 * or WND_OTHER_PROCESS if handle may be valid in other process.
233 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
235 WND *WIN_GetPtr( HWND hwnd )
238 WORD index = USER_HANDLE_TO_INDEX(hwnd);
240 if (index >= NB_USER_HANDLES) return NULL;
243 if ((ptr = user_handles[index]))
245 if (ptr->dwMagic == WND_MAGIC && (!HIWORD(hwnd) || hwnd == ptr->hwndSelf))
249 else ptr = WND_OTHER_PROCESS;
255 /***********************************************************************
256 * WIN_IsCurrentProcess
258 * Check whether a given window belongs to the current process (and return the full handle).
260 HWND WIN_IsCurrentProcess( HWND hwnd )
265 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS) return 0;
267 WIN_ReleasePtr( ptr );
272 /***********************************************************************
273 * WIN_IsCurrentThread
275 * Check whether a given window belongs to the current thread (and return the full handle).
277 HWND WIN_IsCurrentThread( HWND hwnd )
282 if ((ptr = WIN_GetPtr( hwnd )) && ptr != WND_OTHER_PROCESS)
284 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
285 WIN_ReleasePtr( ptr );
291 /***********************************************************************
294 * Convert a 16-bit window handle to a full 32-bit handle.
296 HWND WIN_Handle32( HWND16 hwnd16 )
299 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
301 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
302 /* do sign extension for -2 and -3 */
303 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
305 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
307 if (ptr != WND_OTHER_PROCESS)
309 hwnd = ptr->hwndSelf;
310 WIN_ReleasePtr( ptr );
312 else /* may belong to another process */
314 SERVER_START_REQ( get_window_info )
317 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
325 /***********************************************************************
328 * Return a pointer to the WND structure corresponding to a HWND.
330 WND * WIN_FindWndPtr( HWND hwnd )
334 if (!hwnd) return NULL;
336 if ((ptr = WIN_GetPtr( hwnd )))
338 if (ptr != WND_OTHER_PROCESS)
340 /* increment destruction monitoring */
344 if (IsWindow( hwnd )) /* check other processes */
346 ERR( "window %p belongs to other process\n", hwnd );
347 /* DbgBreakPoint(); */
350 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
355 /***********************************************************************
358 * Release the pointer to the WND structure.
360 void WIN_ReleaseWndPtr(WND *wndPtr)
364 /* Decrement destruction monitoring value */
366 /* Check if it's time to release the memory */
367 if(wndPtr->irefCount == 0 && !wndPtr->dwMagic)
370 free_window_handle( wndPtr->hwndSelf );
372 else if(wndPtr->irefCount < 0)
374 /* This else if is useful to monitor the WIN_ReleaseWndPtr function */
375 ERR("forgot a Lock on %p somewhere\n",wndPtr);
377 /* unlock all WND structures for thread safeness */
382 /***********************************************************************
385 * Remove a window from the siblings linked list.
387 void WIN_UnlinkWindow( HWND hwnd )
389 WIN_LinkWindow( hwnd, 0, 0 );
393 /***********************************************************************
396 * Insert a window into the siblings linked list.
397 * The window is inserted after the specified window, which can also
398 * be specified as HWND_TOP or HWND_BOTTOM.
399 * If parent is 0, window is unlinked from the tree.
401 void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter )
403 WND *wndPtr = WIN_GetPtr( hwnd );
406 if (wndPtr == WND_OTHER_PROCESS)
408 if (IsWindow(hwnd)) ERR(" cannot link other process window %p\n", hwnd );
412 SERVER_START_REQ( link_window )
415 req->parent = parent;
416 req->previous = hwndInsertAfter;
417 if (!wine_server_call( req ))
419 if (reply->full_parent) wndPtr->parent = reply->full_parent;
424 WIN_ReleasePtr( wndPtr );
428 /***********************************************************************
431 * Change the owner of a window.
433 HWND WIN_SetOwner( HWND hwnd, HWND owner )
435 WND *win = WIN_GetPtr( hwnd );
439 if (win == WND_OTHER_PROCESS)
441 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
444 SERVER_START_REQ( set_window_owner )
448 if (!wine_server_call( req ))
450 win->owner = reply->full_owner;
451 ret = reply->prev_owner;
455 WIN_ReleasePtr( win );
460 /***********************************************************************
463 * Change the style of a window.
465 LONG WIN_SetStyle( HWND hwnd, LONG style )
469 WND *win = WIN_GetPtr( hwnd );
472 if (win == WND_OTHER_PROCESS)
475 ERR( "cannot set style %lx on other process window %p\n", style, hwnd );
478 if (style == win->dwStyle)
480 WIN_ReleasePtr( win );
483 SERVER_START_REQ( set_window_info )
486 req->flags = SET_WIN_STYLE;
488 req->extra_offset = -1;
489 if ((ok = !wine_server_call( req )))
491 ret = reply->old_style;
492 win->dwStyle = style;
496 WIN_ReleasePtr( win );
497 if (ok && USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, ret );
502 /***********************************************************************
505 * Change the extended style of a window.
507 LONG WIN_SetExStyle( HWND hwnd, LONG style )
510 WND *win = WIN_GetPtr( hwnd );
513 if (win == WND_OTHER_PROCESS)
516 ERR( "cannot set exstyle %lx on other process window %p\n", style, hwnd );
519 if (style == win->dwExStyle)
521 WIN_ReleasePtr( win );
524 SERVER_START_REQ( set_window_info )
527 req->flags = SET_WIN_EXSTYLE;
528 req->ex_style = style;
529 req->extra_offset = -1;
530 if (!wine_server_call( req ))
532 ret = reply->old_ex_style;
533 win->dwExStyle = style;
537 WIN_ReleasePtr( win );
542 /***********************************************************************
545 * Get the window and client rectangles.
547 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
549 WND *win = WIN_GetPtr( hwnd );
552 if (!win) return FALSE;
553 if (win == WND_OTHER_PROCESS)
555 SERVER_START_REQ( get_window_rectangles )
558 if ((ret = !wine_server_call( req )))
562 rectWindow->left = reply->window.left;
563 rectWindow->top = reply->window.top;
564 rectWindow->right = reply->window.right;
565 rectWindow->bottom = reply->window.bottom;
569 rectClient->left = reply->client.left;
570 rectClient->top = reply->client.top;
571 rectClient->right = reply->client.right;
572 rectClient->bottom = reply->client.bottom;
580 if (rectWindow) *rectWindow = win->rectWindow;
581 if (rectClient) *rectClient = win->rectClient;
582 WIN_ReleasePtr( win );
588 /***********************************************************************
591 * Destroy storage associated to a window. "Internals" p.358
593 LRESULT WIN_DestroyWindow( HWND hwnd )
598 TRACE("%p\n", hwnd );
600 if (!(hwnd = WIN_IsCurrentThread( hwnd )))
602 ERR( "window doesn't belong to current thread\n" );
606 /* free child windows */
607 if ((list = WIN_ListChildren( hwnd )))
610 for (i = 0; list[i]; i++)
612 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
613 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
615 HeapFree( GetProcessHeap(), 0, list );
619 * Clear the update region to make sure no WM_PAINT messages will be
620 * generated for this window while processing the WM_NCDESTROY.
622 RedrawWindow( hwnd, NULL, 0,
623 RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN);
626 * Send the WM_NCDESTROY to the window being destroyed.
628 SendMessageA( hwnd, WM_NCDESTROY, 0, 0);
630 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
632 WINPOS_CheckInternalPos( hwnd );
633 if( hwnd == GetCapture()) ReleaseCapture();
635 /* free resources associated with the window */
637 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0;
639 if (!(wndPtr->dwStyle & WS_CHILD))
641 HMENU menu = (HMENU)SetWindowLongPtrW( hwnd, GWLP_ID, 0 );
642 if (menu) DestroyMenu( menu );
644 if (wndPtr->hSysMenu)
646 DestroyMenu( wndPtr->hSysMenu );
647 wndPtr->hSysMenu = 0;
649 DCE_FreeWindowDCE( hwnd ); /* Always do this to catch orphaned DCs */
650 if (USER_Driver.pDestroyWindow) USER_Driver.pDestroyWindow( hwnd );
651 wndPtr->class = NULL;
652 wndPtr->dwMagic = 0; /* Mark it as invalid */
653 WIN_ReleaseWndPtr( wndPtr );
657 /***********************************************************************
658 * WIN_DestroyThreadWindows
660 * Destroy all children of 'wnd' owned by the current thread.
661 * Return TRUE if something was done.
663 void WIN_DestroyThreadWindows( HWND hwnd )
668 if (!(list = WIN_ListChildren( hwnd ))) return;
669 for (i = 0; list[i]; i++)
671 if (WIN_IsCurrentThread( list[i] ))
672 DestroyWindow( list[i] );
674 WIN_DestroyThreadWindows( list[i] );
676 HeapFree( GetProcessHeap(), 0, list );
679 /***********************************************************************
680 * WIN_CreateDesktopWindow
682 * Create the desktop window.
684 BOOL WIN_CreateDesktopWindow(void)
689 TRACE("Creating desktop window\n");
691 if (!WINPOS_CreateInternalPosAtom()) return FALSE;
693 pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W );
694 if (!pWndDesktop) return FALSE;
695 hwndDesktop = pWndDesktop->hwndSelf;
697 pWndDesktop->tid = 0; /* nobody owns the desktop */
698 pWndDesktop->parent = 0;
699 pWndDesktop->owner = 0;
700 pWndDesktop->text = NULL;
701 pWndDesktop->pVScroll = NULL;
702 pWndDesktop->pHScroll = NULL;
703 pWndDesktop->helpContext = 0;
704 pWndDesktop->flags = 0;
705 pWndDesktop->hSysMenu = 0;
707 cs.lpCreateParams = NULL;
713 cs.cx = GetSystemMetrics( SM_CXSCREEN );
714 cs.cy = GetSystemMetrics( SM_CYSCREEN );
715 cs.style = pWndDesktop->dwStyle;
716 cs.dwExStyle = pWndDesktop->dwExStyle;
718 cs.lpszClass = DESKTOP_CLASS_ATOM;
720 SERVER_START_REQ( set_window_info )
722 req->handle = hwndDesktop;
723 req->flags = 0; /* don't set anything, just retrieve */
724 req->extra_offset = -1;
725 wine_server_call( req );
726 pWndDesktop->dwStyle = reply->old_style;
727 pWndDesktop->dwExStyle = reply->old_ex_style;
728 pWndDesktop->hInstance = (HINSTANCE)reply->old_instance;
729 pWndDesktop->userdata = (ULONG_PTR)reply->old_user_data;
730 pWndDesktop->wIDmenu = reply->old_id;
734 if (!USER_Driver.pCreateWindow || !USER_Driver.pCreateWindow( hwndDesktop, &cs, FALSE ))
736 WIN_ReleaseWndPtr( pWndDesktop );
740 WIN_ReleaseWndPtr( pWndDesktop );
745 /***********************************************************************
748 * Fix the coordinates - Helper for WIN_CreateWindowEx.
749 * returns default show mode in sw.
750 * Note: the feature presented as undocumented *is* in the MSDN since 1993.
752 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
754 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16 ||
755 cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
757 if (cs->style & (WS_CHILD | WS_POPUP))
759 if (cs->dwExStyle & WS_EX_MDICHILD)
763 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0);
765 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
770 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16 || !cs->cx)
772 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16 || !cs->cy)
777 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
779 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
783 else /* overlapped window */
787 GetStartupInfoA( &info );
789 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
791 /* Never believe Microsoft's documentation... CreateWindowEx doc says
792 * that if an overlapped window is created with WS_VISIBLE style bit
793 * set and the x parameter is set to CW_USEDEFAULT, the system ignores
794 * the y parameter. However, disassembling NT implementation (WIN32K.SYS)
797 * 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
798 * 2) it does not ignore the y parameter as the docs claim; instead, it
799 * uses it as second parameter to ShowWindow() unless y is either
800 * CW_USEDEFAULT or CW_USEDEFAULT16.
802 * The fact that we didn't do 2) caused bogus windows pop up when wine
803 * was running apps that were using this obscure feature. Example -
804 * calc.exe that comes with Win98 (only Win98, it's different from
805 * the one that comes with Win95 and NT)
807 if (cs->y != CW_USEDEFAULT && cs->y != CW_USEDEFAULT16) *sw = cs->y;
808 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : 0;
809 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : 0;
812 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
814 if (info.dwFlags & STARTF_USESIZE)
816 cs->cx = info.dwXSize;
817 cs->cy = info.dwYSize;
819 else /* if no other hint from the app, pick 3/4 of the screen real estate */
822 SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0);
823 cs->cx = (((r.right - r.left) * 3) / 4) - cs->x;
824 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
831 /* neither x nor cx are default. Check the y values .
832 * In the trace we see Outlook and Outlook Express using
833 * cy set to CW_USEDEFAULT when opening the address book.
835 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16) {
837 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
838 SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0);
839 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
844 /***********************************************************************
847 static void dump_window_styles( DWORD style, DWORD exstyle )
850 if(style & WS_POPUP) TRACE(" WS_POPUP");
851 if(style & WS_CHILD) TRACE(" WS_CHILD");
852 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
853 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
854 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
855 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
856 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
857 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
858 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
861 if(style & WS_BORDER) TRACE(" WS_BORDER");
862 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
864 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
865 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
866 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
867 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
868 if(style & WS_GROUP) TRACE(" WS_GROUP");
869 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
870 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
871 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
873 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
874 #define DUMPED_STYLES \
894 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
899 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
900 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
901 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
902 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
903 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
904 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
905 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
906 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
907 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
908 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
909 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
910 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
911 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
912 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
913 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
914 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
915 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
916 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
918 #define DUMPED_EX_STYLES \
919 (WS_EX_DLGMODALFRAME | \
921 WS_EX_NOPARENTNOTIFY | \
923 WS_EX_ACCEPTFILES | \
924 WS_EX_TRANSPARENT | \
929 WS_EX_CONTEXTHELP | \
932 WS_EX_LEFTSCROLLBAR | \
933 WS_EX_CONTROLPARENT | \
938 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
940 #undef DUMPED_EX_STYLES
944 /***********************************************************************
947 * Implementation of CreateWindowEx().
949 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
950 WINDOWPROCTYPE type )
954 HWND hwnd, parent, owner, top_child = 0;
955 BOOL unicode = (type == WIN_PROC_32W);
957 TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
958 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
959 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
960 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
961 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
963 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
965 TRACE("winproc type is %d (%s)\n", type, (type == WIN_PROC_16) ? "WIN_PROC_16" :
966 ((type == WIN_PROC_32A) ? "WIN_PROC_32A" : "WIN_PROC_32W") );
968 /* Fix the styles for MDI children */
969 if (cs->dwExStyle & WS_EX_MDICHILD)
971 MDICREATESTRUCTA mdi_cs;
974 wndPtr = WIN_GetPtr(cs->hwndParent);
975 if (wndPtr && wndPtr != WND_OTHER_PROCESS)
977 flags = wndPtr->flags;
978 WIN_ReleasePtr(wndPtr);
981 if (!(flags & WIN_ISMDICLIENT))
983 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
987 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
988 * MDICREATESTRUCT members have the originally passed values.
990 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
991 * have the same layout.
993 mdi_cs.szClass = cs->lpszClass;
994 mdi_cs.szTitle = cs->lpszName;
995 mdi_cs.hOwner = cs->hInstance;
1000 mdi_cs.style = cs->style;
1001 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
1003 cs->lpCreateParams = (LPVOID)&mdi_cs;
1005 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
1007 if (cs->style & WS_POPUP)
1009 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
1012 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
1016 cs->style &= ~WS_POPUP;
1017 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
1018 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
1021 top_child = GetWindow(cs->hwndParent, GW_CHILD);
1025 /* Restore current maximized child */
1026 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
1028 TRACE("Restoring current maximized child %p\n", top_child);
1029 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
1030 ShowWindow(top_child, SW_RESTORE);
1031 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
1036 /* Find the parent window */
1038 parent = GetDesktopWindow();
1041 if (cs->hwndParent == HWND_MESSAGE)
1043 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
1044 * message window (style: WS_POPUP|WS_DISABLED)
1046 FIXME("Parent is HWND_MESSAGE\n");
1048 else if (cs->hwndParent)
1050 /* Make sure parent is valid */
1051 if (!IsWindow( cs->hwndParent ))
1053 WARN("Bad parent %p\n", cs->hwndParent );
1056 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1057 parent = WIN_GetFullHandle(cs->hwndParent);
1059 owner = GetAncestor( cs->hwndParent, GA_ROOT );
1061 else if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1063 WARN("No parent for child window\n" );
1064 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1067 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1069 /* Correct the window styles.
1071 * It affects both the style loaded into the WIN structure and
1072 * passed in the CREATESTRUCT to the WM_[NC]CREATE.
1074 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1075 * why does the user get to set it?
1078 /* This has been tested for WS_CHILD | WS_VISIBLE. It has not been
1079 * tested for WS_POPUP
1081 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1082 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1083 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1084 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1086 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1088 if (!(cs->style & WS_CHILD))
1090 cs->style |= WS_CLIPSIBLINGS;
1091 if (!(cs->style & WS_POPUP))
1092 cs->style |= WS_CAPTION;
1095 /* Create the window structure */
1097 if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, type )))
1099 TRACE("out of memory\n" );
1102 hwnd = wndPtr->hwndSelf;
1104 /* Fill the window structure */
1106 wndPtr->tid = GetCurrentThreadId();
1107 wndPtr->owner = owner;
1108 wndPtr->parent = parent;
1109 wndPtr->hInstance = cs->hInstance;
1110 wndPtr->text = NULL;
1111 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1112 wndPtr->dwExStyle = cs->dwExStyle;
1113 wndPtr->wIDmenu = 0;
1114 wndPtr->helpContext = 0;
1115 wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32;
1116 wndPtr->pVScroll = NULL;
1117 wndPtr->pHScroll = NULL;
1118 wndPtr->userdata = 0;
1120 wndPtr->hIconSmall = 0;
1121 wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0;
1123 if (!(cs->style & (WS_CHILD | WS_POPUP)))
1124 wndPtr->flags |= WIN_NEED_SIZE;
1126 SERVER_START_REQ( set_window_info )
1129 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE;
1130 req->style = wndPtr->dwStyle;
1131 req->ex_style = wndPtr->dwExStyle;
1132 req->instance = (void *)wndPtr->hInstance;
1133 req->extra_offset = -1;
1134 wine_server_call( req );
1138 /* Get class or window DC if needed */
1140 if (wndPtr->clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC);
1142 /* Set the window menu */
1144 if (((wndPtr->dwStyle & (WS_CAPTION|WS_CHILD)) == WS_CAPTION) ||
1145 (wndPtr->dwExStyle & WS_EX_APPWINDOW))
1147 if (cs->hMenu) MENU_SetMenu(hwnd, cs->hMenu);
1150 LPCSTR menuName = (LPCSTR)GetClassLongA( hwnd, GCL_MENUNAME );
1153 if (HIWORD(cs->hInstance))
1154 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1156 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1158 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1162 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1163 WIN_ReleaseWndPtr( wndPtr );
1165 if (!USER_Driver.pCreateWindow || !USER_Driver.pCreateWindow( hwnd, cs, unicode))
1167 WIN_DestroyWindow( hwnd );
1171 /* Notify the parent window only */
1173 send_parent_notify( hwnd, WM_CREATE );
1174 if (!IsWindow( hwnd )) return 0;
1176 if (cs->style & WS_VISIBLE)
1178 if (cs->style & WS_MAXIMIZE)
1179 sw = SW_SHOWMAXIMIZED;
1180 else if (cs->style & WS_MINIMIZE)
1181 sw = SW_SHOWMINIMIZED;
1183 ShowWindow( hwnd, sw );
1184 if (cs->dwExStyle & WS_EX_MDICHILD)
1186 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1187 /* ShowWindow won't activate child windows */
1188 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1192 /* Call WH_SHELL hook */
1194 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1195 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1197 TRACE("created window %p\n", hwnd);
1202 /***********************************************************************
1203 * CreateWindow (USER.41)
1205 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1206 DWORD style, INT16 x, INT16 y, INT16 width,
1207 INT16 height, HWND16 parent, HMENU16 menu,
1208 HINSTANCE16 instance, LPVOID data )
1210 return CreateWindowEx16( 0, className, windowName, style,
1211 x, y, width, height, parent, menu, instance, data );
1215 /***********************************************************************
1216 * CreateWindowEx (USER.452)
1218 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1219 LPCSTR windowName, DWORD style, INT16 x,
1220 INT16 y, INT16 width, INT16 height,
1221 HWND16 parent, HMENU16 menu,
1222 HINSTANCE16 instance, LPVOID data )
1228 /* Find the class atom */
1230 if (HIWORD(className))
1232 if (!(classAtom = GlobalFindAtomA( className )))
1234 ERR( "bad class name %s\n", debugstr_a(className) );
1240 classAtom = LOWORD(className);
1241 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1243 ERR( "bad atom %x\n", classAtom);
1249 /* Fix the coordinates */
1251 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1252 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1253 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1254 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1256 /* Create the window */
1258 cs.lpCreateParams = data;
1259 cs.hInstance = HINSTANCE_32(instance);
1260 cs.hMenu = HMENU_32(menu);
1261 cs.hwndParent = WIN_Handle32( parent );
1263 cs.lpszName = windowName;
1264 cs.lpszClass = className;
1265 cs.dwExStyle = exStyle;
1267 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_16 ));
1271 /***********************************************************************
1272 * CreateWindowExA (USER32.@)
1274 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1275 LPCSTR windowName, DWORD style, INT x,
1276 INT y, INT width, INT height,
1277 HWND parent, HMENU menu,
1278 HINSTANCE instance, LPVOID data )
1284 /* Find the class atom */
1286 if (HIWORD(className))
1288 if (!(classAtom = GlobalFindAtomA( className )))
1290 ERR( "bad class name %s\n", debugstr_a(className) );
1296 classAtom = LOWORD(className);
1297 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1299 ERR( "bad atom %x\n", classAtom);
1305 /* Create the window */
1307 cs.lpCreateParams = data;
1308 cs.hInstance = instance;
1310 cs.hwndParent = parent;
1316 cs.lpszName = windowName;
1317 cs.lpszClass = className;
1318 cs.dwExStyle = exStyle;
1320 return WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_32A );
1324 /***********************************************************************
1325 * CreateWindowExW (USER32.@)
1327 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1328 LPCWSTR windowName, DWORD style, INT x,
1329 INT y, INT width, INT height,
1330 HWND parent, HMENU menu,
1331 HINSTANCE instance, LPVOID data )
1337 /* Find the class atom */
1339 if (HIWORD(className))
1341 if (!(classAtom = GlobalFindAtomW( className )))
1343 ERR( "bad class name %s\n", debugstr_w(className) );
1349 classAtom = LOWORD(className);
1350 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1352 ERR( "bad atom %x\n", classAtom);
1358 /* Create the window */
1360 cs.lpCreateParams = data;
1361 cs.hInstance = instance;
1363 cs.hwndParent = parent;
1369 cs.lpszName = windowName;
1370 cs.lpszClass = className;
1371 cs.dwExStyle = exStyle;
1373 /* Note: we rely on the fact that CREATESTRUCTA and */
1374 /* CREATESTRUCTW have the same layout. */
1375 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_PROC_32W );
1379 /***********************************************************************
1380 * WIN_SendDestroyMsg
1382 static void WIN_SendDestroyMsg( HWND hwnd )
1386 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1388 if (hwnd == info.hwndCaret) DestroyCaret();
1389 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1391 if (USER_Driver.pResetSelectionOwner)
1392 USER_Driver.pResetSelectionOwner( hwnd, TRUE );
1395 * Send the WM_DESTROY to the window.
1397 SendMessageA( hwnd, WM_DESTROY, 0, 0);
1400 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1401 * make sure that the window still exists when we come back.
1408 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1410 /* start from the end (FIXME: is this needed?) */
1411 for (i = 0; pWndArray[i]; i++) ;
1415 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1417 HeapFree( GetProcessHeap(), 0, pWndArray );
1420 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1424 /***********************************************************************
1425 * DestroyWindow (USER32.@)
1427 BOOL WINAPI DestroyWindow( HWND hwnd )
1431 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1433 SetLastError( ERROR_ACCESS_DENIED );
1437 TRACE("(%p)\n", hwnd);
1441 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1443 if (MENU_IsMenuActive() == hwnd)
1446 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1450 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1451 send_parent_notify( hwnd, WM_DESTROY );
1453 else if (!GetWindow( hwnd, GW_OWNER ))
1455 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1456 /* FIXME: clean up palette - see "Internals" p.352 */
1459 if (!IsWindow(hwnd)) return TRUE;
1461 if (USER_Driver.pResetSelectionOwner)
1462 USER_Driver.pResetSelectionOwner( hwnd, FALSE ); /* before the window is unmapped */
1464 /* Hide the window */
1466 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1468 ShowWindow( hwnd, SW_HIDE );
1470 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1471 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1473 if (!IsWindow(hwnd)) return TRUE;
1475 /* Recursively destroy owned windows */
1482 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1485 for (i = 0; list[i]; i++)
1487 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1488 if (WIN_IsCurrentThread( list[i] ))
1490 DestroyWindow( list[i] );
1494 WIN_SetOwner( list[i], 0 );
1496 HeapFree( GetProcessHeap(), 0, list );
1498 if (!got_one) break;
1502 /* Send destroy messages */
1504 WIN_SendDestroyMsg( hwnd );
1505 if (!IsWindow( hwnd )) return TRUE;
1507 if (GetClipboardOwner() == hwnd)
1508 CLIPBOARD_ReleaseOwner();
1510 /* Unlink now so we won't bother with the children later on */
1512 WIN_UnlinkWindow( hwnd );
1514 /* Destroy the window storage */
1516 WIN_DestroyWindow( hwnd );
1521 /***********************************************************************
1522 * CloseWindow (USER32.@)
1524 BOOL WINAPI CloseWindow( HWND hwnd )
1526 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1527 ShowWindow( hwnd, SW_MINIMIZE );
1532 /***********************************************************************
1533 * OpenIcon (USER32.@)
1535 BOOL WINAPI OpenIcon( HWND hwnd )
1537 if (!IsIconic( hwnd )) return FALSE;
1538 ShowWindow( hwnd, SW_SHOWNORMAL );
1543 /***********************************************************************
1546 * Implementation of FindWindow() and FindWindowEx().
1548 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1553 WCHAR *buffer = NULL;
1555 if (!parent) parent = GetDesktopWindow();
1558 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1559 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1562 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1566 child = WIN_GetFullHandle( child );
1567 while (list[i] && list[i] != child) i++;
1568 if (!list[i]) goto done;
1569 i++; /* start from next window */
1576 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1583 HeapFree( GetProcessHeap(), 0, list );
1584 HeapFree( GetProcessHeap(), 0, buffer );
1590 /***********************************************************************
1591 * FindWindowA (USER32.@)
1593 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1595 HWND ret = FindWindowExA( 0, 0, className, title );
1596 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1601 /***********************************************************************
1602 * FindWindowExA (USER32.@)
1604 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1605 LPCSTR className, LPCSTR title )
1614 /* If the atom doesn't exist, then no class */
1615 /* with this name exists either. */
1616 if (!(atom = GlobalFindAtomA( className )))
1618 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1622 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1624 len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1625 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1626 MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
1627 hwnd = WIN_FindWindow( parent, child, atom, buffer );
1628 HeapFree( GetProcessHeap(), 0, buffer );
1633 /***********************************************************************
1634 * FindWindowExW (USER32.@)
1636 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1637 LPCWSTR className, LPCWSTR title )
1643 /* If the atom doesn't exist, then no class */
1644 /* with this name exists either. */
1645 if (!(atom = GlobalFindAtomW( className )))
1647 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1651 return WIN_FindWindow( parent, child, atom, title );
1655 /***********************************************************************
1656 * FindWindowW (USER32.@)
1658 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1660 return FindWindowExW( 0, 0, className, title );
1664 /**********************************************************************
1665 * GetDesktopWindow (USER32.@)
1667 HWND WINAPI GetDesktopWindow(void)
1669 if (pWndDesktop) return pWndDesktop->hwndSelf;
1670 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" );
1676 /*******************************************************************
1677 * EnableWindow (USER32.@)
1679 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1686 if (is_broadcast(hwnd))
1688 SetLastError( ERROR_INVALID_PARAMETER );
1692 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1693 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1697 TRACE("( %p, %d )\n", hwnd, enable);
1699 if (!(wndPtr = WIN_GetPtr( hwnd ))) return FALSE;
1700 style = wndPtr->dwStyle;
1701 retvalue = ((style & WS_DISABLED) != 0);
1702 WIN_ReleasePtr( wndPtr );
1704 if (enable && retvalue)
1706 WIN_SetStyle( hwnd, style & ~WS_DISABLED );
1707 SendMessageA( hwnd, WM_ENABLE, TRUE, 0 );
1709 else if (!enable && !retvalue)
1713 SendMessageA( hwnd, WM_CANCELMODE, 0, 0);
1715 WIN_SetStyle( hwnd, style | WS_DISABLED );
1717 if (hwnd == GetFocus())
1718 SetFocus( 0 ); /* A disabled window can't have the focus */
1720 capture_wnd = GetCapture();
1721 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1722 ReleaseCapture(); /* A disabled window can't capture the mouse */
1724 SendMessageA( hwnd, WM_ENABLE, FALSE, 0 );
1730 /***********************************************************************
1731 * IsWindowEnabled (USER32.@)
1733 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1735 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1739 /***********************************************************************
1740 * IsWindowUnicode (USER32.@)
1742 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1747 if (!(wndPtr = WIN_FindWndPtr(hwnd))) return FALSE;
1748 retvalue = (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W);
1749 WIN_ReleaseWndPtr(wndPtr);
1754 /**********************************************************************
1755 * GetWindowWord (USER32.@)
1757 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
1762 WND *wndPtr = WIN_GetPtr( hwnd );
1765 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1768 if (wndPtr == WND_OTHER_PROCESS)
1770 SERVER_START_REQ( set_window_info )
1773 req->flags = 0; /* don't set anything, just retrieve */
1774 req->extra_offset = offset;
1775 req->extra_size = sizeof(retvalue);
1776 if (!wine_server_call_err( req ))
1777 memcpy( &retvalue, &reply->old_extra_value, sizeof(retvalue) );
1782 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1784 WARN("Invalid offset %d\n", offset );
1785 SetLastError( ERROR_INVALID_INDEX );
1787 else memcpy( &retvalue, (char *)wndPtr->wExtra + offset, sizeof(retvalue) );
1788 WIN_ReleasePtr( wndPtr );
1794 case GWLP_HWNDPARENT:
1795 return GetWindowLongPtrW( hwnd, offset );
1797 case GWLP_HINSTANCE:
1799 LONG_PTR ret = GetWindowLongPtrW( hwnd, offset );
1801 WARN("%d: discards high bits of 0x%08lx!\n", offset, ret );
1805 WARN("Invalid offset %d\n", offset );
1811 /**********************************************************************
1812 * SetWindowWord (USER32.@)
1814 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
1822 case GWLP_HINSTANCE:
1823 case GWLP_HWNDPARENT:
1824 return SetWindowLongPtrW( hwnd, offset, (ULONG_PTR)newval );
1828 WARN("Invalid offset %d\n", offset );
1829 SetLastError( ERROR_INVALID_INDEX );
1834 wndPtr = WIN_GetPtr( hwnd );
1835 if (wndPtr == WND_OTHER_PROCESS)
1838 FIXME( "set %d <- %x not supported yet on other process window %p\n",
1839 offset, newval, hwnd );
1844 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1848 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1850 WARN("Invalid offset %d\n", offset );
1851 WIN_ReleasePtr(wndPtr);
1852 SetLastError( ERROR_INVALID_INDEX );
1856 SERVER_START_REQ( set_window_info )
1859 req->flags = SET_WIN_EXTRA;
1860 req->extra_offset = offset;
1861 req->extra_size = sizeof(newval);
1862 memcpy( &req->extra_value, &newval, sizeof(newval) );
1863 if (!wine_server_call_err( req ))
1865 void *ptr = (char *)wndPtr->wExtra + offset;
1866 memcpy( &retval, ptr, sizeof(retval) );
1867 memcpy( ptr, &newval, sizeof(newval) );
1871 WIN_ReleasePtr( wndPtr );
1876 /**********************************************************************
1879 * Helper function for GetWindowLong().
1881 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type )
1883 LONG_PTR retvalue = 0;
1886 if (offset == GWLP_HWNDPARENT)
1888 HWND parent = GetAncestor( hwnd, GA_PARENT );
1889 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1890 return (ULONG_PTR)parent;
1893 if (!(wndPtr = WIN_GetPtr( hwnd )))
1895 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1899 if (wndPtr == WND_OTHER_PROCESS)
1901 if (offset == GWLP_WNDPROC)
1903 SetLastError( ERROR_ACCESS_DENIED );
1906 SERVER_START_REQ( set_window_info )
1909 req->flags = 0; /* don't set anything, just retrieve */
1910 req->extra_offset = (offset >= 0) ? offset : -1;
1911 req->extra_size = (offset >= 0) ? sizeof(retvalue) : 0;
1912 if (!wine_server_call_err( req ))
1916 case GWL_STYLE: retvalue = reply->old_style; break;
1917 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1918 case GWLP_ID: retvalue = reply->old_id; break;
1919 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1920 case GWLP_USERDATA: retvalue = (ULONG_PTR)reply->old_user_data; break;
1922 if (offset >= 0) retvalue = reply->old_extra_value;
1923 else SetLastError( ERROR_INVALID_INDEX );
1932 /* now we have a valid wndPtr */
1936 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
1939 * Some programs try to access last element from 16 bit
1940 * code using illegal offset value. Hopefully this is
1941 * what those programs really expect.
1943 if (type == WIN_PROC_16 &&
1944 wndPtr->cbWndExtra >= 4 &&
1945 offset == wndPtr->cbWndExtra - sizeof(WORD))
1947 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
1949 ERR( "- replaced invalid offset %d with %d\n",
1952 retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset2);
1953 WIN_ReleasePtr( wndPtr );
1956 WARN("Invalid offset %d\n", offset );
1957 WIN_ReleasePtr( wndPtr );
1958 SetLastError( ERROR_INVALID_INDEX );
1961 retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset);
1962 /* Special case for dialog window procedure */
1963 if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
1964 retvalue = (LONG)WINPROC_GetProc( (WNDPROC)retvalue, type );
1965 WIN_ReleasePtr( wndPtr );
1971 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
1972 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
1973 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
1974 case GWLP_ID: retvalue = (ULONG_PTR)wndPtr->wIDmenu; break;
1975 case GWLP_WNDPROC: retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, type ); break;
1976 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
1978 WARN("Unknown offset %d\n", offset );
1979 SetLastError( ERROR_INVALID_INDEX );
1982 WIN_ReleasePtr(wndPtr);
1987 /**********************************************************************
1990 * Helper function for SetWindowLong().
1992 * 0 is the failure code. However, in the case of failure SetLastError
1993 * must be set to distinguish between a 0 return value and a failure.
1995 static LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, LONG_PTR newval,
1996 WINDOWPROCTYPE type )
2003 TRACE( "%p %d %lx %x\n", hwnd, offset, newval, type );
2005 if (is_broadcast(hwnd))
2007 SetLastError( ERROR_INVALID_PARAMETER );
2010 if (!WIN_IsCurrentProcess( hwnd ))
2012 if (offset == GWLP_WNDPROC)
2014 SetLastError( ERROR_ACCESS_DENIED );
2017 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, offset, newval );
2020 wndPtr = WIN_GetPtr( hwnd );
2021 if (wndPtr->hwndSelf == GetDesktopWindow())
2023 /* can't change anything on the desktop window */
2024 WIN_ReleasePtr( wndPtr );
2025 SetLastError( ERROR_ACCESS_DENIED );
2029 /* first some special cases */
2035 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
2036 style.styleNew = newval;
2037 WIN_ReleasePtr( wndPtr );
2038 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
2039 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2040 newval = style.styleNew;
2042 case GWLP_HWNDPARENT:
2043 if (wndPtr->parent == GetDesktopWindow())
2045 WIN_ReleasePtr( wndPtr );
2046 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
2050 WIN_ReleasePtr( wndPtr );
2051 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
2054 retval = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, type );
2055 wndPtr->winproc = WINPROC_AllocProc( (WNDPROC)newval, type );
2056 WIN_ReleasePtr( wndPtr );
2059 case GWLP_HINSTANCE:
2063 if ((wndPtr->cbWndExtra + sizeof(LONG) >= DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
2065 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
2066 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, type );
2067 *ptr = WINPROC_AllocProc( (WNDPROC)newval, type );
2068 WIN_ReleasePtr( wndPtr );
2073 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2075 WARN("Invalid offset %d\n", offset );
2076 WIN_ReleasePtr( wndPtr );
2077 SetLastError( ERROR_INVALID_INDEX );
2082 LONG_PTR *ptr = (LONG_PTR *)((char *)wndPtr->wExtra + offset);
2083 if (*ptr == newval) /* already set to the same value */
2085 WIN_ReleasePtr( wndPtr );
2092 SERVER_START_REQ( set_window_info )
2095 req->extra_offset = -1;
2099 req->flags = SET_WIN_STYLE;
2100 req->style = newval;
2103 req->flags = SET_WIN_EXSTYLE;
2104 req->ex_style = newval;
2107 req->flags = SET_WIN_ID;
2110 case GWLP_HINSTANCE:
2111 req->flags = SET_WIN_INSTANCE;
2112 req->instance = (void *)newval;
2115 req->flags = SET_WIN_USERDATA;
2116 req->user_data = (void *)newval;
2119 req->flags = SET_WIN_EXTRA;
2120 req->extra_offset = offset;
2121 req->extra_size = sizeof(newval);
2122 memcpy( &req->extra_value, &newval, sizeof(newval) );
2124 if ((ok = !wine_server_call_err( req )))
2129 wndPtr->dwStyle = newval;
2130 retval = reply->old_style;
2133 wndPtr->dwExStyle = newval;
2134 retval = reply->old_ex_style;
2137 wndPtr->wIDmenu = newval;
2138 retval = reply->old_id;
2140 case GWLP_HINSTANCE:
2141 wndPtr->hInstance = (HINSTANCE)newval;
2142 retval = (ULONG_PTR)reply->old_instance;
2145 wndPtr->userdata = newval;
2146 retval = (ULONG_PTR)reply->old_user_data;
2150 void *ptr = (char *)wndPtr->wExtra + offset;
2151 memcpy( &retval, ptr, sizeof(retval) );
2152 memcpy( ptr, &newval, sizeof(newval) );
2159 WIN_ReleasePtr( wndPtr );
2163 if (offset == GWL_STYLE && USER_Driver.pSetWindowStyle)
2164 USER_Driver.pSetWindowStyle( hwnd, retval );
2166 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2167 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2173 /**********************************************************************
2174 * GetWindowLong (USER.135)
2176 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2178 return WIN_GetWindowLong( WIN_Handle32(hwnd), offset, WIN_PROC_16 );
2182 /**********************************************************************
2183 * GetWindowLongA (USER32.@)
2185 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2187 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A );
2191 /**********************************************************************
2192 * GetWindowLongW (USER32.@)
2194 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2196 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W );
2200 /**********************************************************************
2201 * SetWindowLong (USER.136)
2203 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2205 return WIN_SetWindowLong( WIN_Handle32(hwnd), offset, newval, WIN_PROC_16 );
2209 /**********************************************************************
2210 * SetWindowLongA (USER32.@)
2212 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2214 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A );
2218 /**********************************************************************
2219 * SetWindowLongW (USER32.@) Set window attribute
2221 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2222 * value in a window's extra memory.
2224 * The _hwnd_ parameter specifies the window. is the handle to a
2225 * window that has extra memory. The _newval_ parameter contains the
2226 * new attribute or extra memory value. If positive, the _offset_
2227 * parameter is the byte-addressed location in the window's extra
2228 * memory to set. If negative, _offset_ specifies the window
2229 * attribute to set, and should be one of the following values:
2231 * GWL_EXSTYLE The window's extended window style
2233 * GWL_STYLE The window's window style.
2235 * GWLP_WNDPROC Pointer to the window's window procedure.
2237 * GWLP_HINSTANCE The window's pplication instance handle.
2239 * GWLP_ID The window's identifier.
2241 * GWLP_USERDATA The window's user-specified data.
2243 * If the window is a dialog box, the _offset_ parameter can be one of
2244 * the following values:
2246 * DWLP_DLGPROC The address of the window's dialog box procedure.
2248 * DWLP_MSGRESULT The return value of a message
2249 * that the dialog box procedure processed.
2251 * DWLP_USER Application specific information.
2255 * If successful, returns the previous value located at _offset_. Otherwise,
2260 * Extra memory for a window class is specified by a nonzero cbWndExtra
2261 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2262 * time of class creation.
2264 * Using GWL_WNDPROC to set a new window procedure effectively creates
2265 * a window subclass. Use CallWindowProc() in the new windows procedure
2266 * to pass messages to the superclass's window procedure.
2268 * The user data is reserved for use by the application which created
2271 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2272 * instead, call the EnableWindow() function to change the window's
2275 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2276 * SetParent() instead.
2279 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2280 * it sends WM_STYLECHANGING before changing the settings
2281 * and WM_STYLECHANGED afterwards.
2282 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2284 LONG WINAPI SetWindowLongW(
2285 HWND hwnd, /* [in] window to alter */
2286 INT offset, /* [in] offset, in bytes, of location to alter */
2287 LONG newval /* [in] new value of location */
2289 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W );
2293 /*******************************************************************
2294 * GetWindowTextA (USER32.@)
2296 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2300 if (WIN_IsCurrentProcess( hwnd ))
2301 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2303 /* when window belongs to other process, don't send a message */
2304 if (nMaxCount <= 0) return 0;
2305 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2306 get_server_window_text( hwnd, buffer, nMaxCount );
2307 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2308 lpString[nMaxCount-1] = 0;
2309 HeapFree( GetProcessHeap(), 0, buffer );
2310 return strlen(lpString);
2314 /*******************************************************************
2315 * InternalGetWindowText (USER32.@)
2317 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2321 if (nMaxCount <= 0) return 0;
2322 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2323 if (win != WND_OTHER_PROCESS)
2325 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2326 else lpString[0] = 0;
2327 WIN_ReleasePtr( win );
2331 get_server_window_text( hwnd, lpString, nMaxCount );
2333 return strlenW(lpString);
2337 /*******************************************************************
2338 * GetWindowTextW (USER32.@)
2340 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2342 if (WIN_IsCurrentProcess( hwnd ))
2343 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2345 /* when window belongs to other process, don't send a message */
2346 if (nMaxCount <= 0) return 0;
2347 get_server_window_text( hwnd, lpString, nMaxCount );
2348 return strlenW(lpString);
2352 /*******************************************************************
2353 * SetWindowText (USER32.@)
2354 * SetWindowTextA (USER32.@)
2356 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2358 if (is_broadcast(hwnd))
2360 SetLastError( ERROR_INVALID_PARAMETER );
2363 if (!WIN_IsCurrentProcess( hwnd ))
2365 FIXME( "cannot set text %s of other process window %p\n", debugstr_a(lpString), hwnd );
2366 SetLastError( ERROR_ACCESS_DENIED );
2369 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2373 /*******************************************************************
2374 * SetWindowTextW (USER32.@)
2376 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2378 if (is_broadcast(hwnd))
2380 SetLastError( ERROR_INVALID_PARAMETER );
2383 if (!WIN_IsCurrentProcess( hwnd ))
2385 FIXME( "cannot set text %s of other process window %p\n", debugstr_w(lpString), hwnd );
2386 SetLastError( ERROR_ACCESS_DENIED );
2389 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2393 /*******************************************************************
2394 * GetWindowTextLengthA (USER32.@)
2396 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2398 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2401 /*******************************************************************
2402 * GetWindowTextLengthW (USER32.@)
2404 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2406 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2410 /*******************************************************************
2411 * IsWindow (USER32.@)
2413 BOOL WINAPI IsWindow( HWND hwnd )
2418 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2420 if (ptr != WND_OTHER_PROCESS)
2422 WIN_ReleasePtr( ptr );
2426 /* check other processes */
2427 SERVER_START_REQ( get_window_info )
2430 ret = !wine_server_call_err( req );
2437 /***********************************************************************
2438 * GetWindowThreadProcessId (USER32.@)
2440 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2445 if (!(ptr = WIN_GetPtr( hwnd )))
2447 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2451 if (ptr != WND_OTHER_PROCESS)
2453 /* got a valid window */
2455 if (process) *process = GetCurrentProcessId();
2456 WIN_ReleasePtr( ptr );
2460 /* check other processes */
2461 SERVER_START_REQ( get_window_info )
2464 if (!wine_server_call_err( req ))
2466 tid = (DWORD)reply->tid;
2467 if (process) *process = (DWORD)reply->pid;
2475 /*****************************************************************
2476 * GetParent (USER32.@)
2478 HWND WINAPI GetParent( HWND hwnd )
2483 if (!(wndPtr = WIN_GetPtr( hwnd )))
2485 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2488 if (wndPtr == WND_OTHER_PROCESS)
2490 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2491 if (style & (WS_POPUP | WS_CHILD))
2493 SERVER_START_REQ( get_window_tree )
2496 if (!wine_server_call_err( req ))
2498 if (style & WS_POPUP) retvalue = reply->owner;
2499 else if (style & WS_CHILD) retvalue = reply->parent;
2507 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2508 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2509 WIN_ReleasePtr( wndPtr );
2515 /*****************************************************************
2516 * GetAncestor (USER32.@)
2518 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2521 HWND *list, ret = 0;
2526 if (!(win = WIN_GetPtr( hwnd )))
2528 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2531 if (win != WND_OTHER_PROCESS)
2534 WIN_ReleasePtr( win );
2536 else /* need to query the server */
2538 SERVER_START_REQ( get_window_tree )
2541 if (!wine_server_call_err( req )) ret = reply->parent;
2548 if (!(list = WIN_ListParents( hwnd ))) return 0;
2550 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2554 while (list[count]) count++;
2555 ret = list[count - 2]; /* get the one before the desktop */
2557 HeapFree( GetProcessHeap(), 0, list );
2561 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2564 HWND parent = GetParent( ret );
2574 /*****************************************************************
2575 * SetParent (USER32.@)
2577 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2580 HWND retvalue, full_handle;
2583 if (is_broadcast(hwnd) || is_broadcast(parent))
2585 SetLastError(ERROR_INVALID_PARAMETER);
2589 if (!parent) parent = GetDesktopWindow();
2590 else parent = WIN_GetFullHandle( parent );
2592 if (!IsWindow( parent ))
2594 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2598 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2599 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2603 if (USER_Driver.pSetParent)
2604 return USER_Driver.pSetParent( hwnd, parent );
2606 /* Windows hides the window first, then shows it again
2607 * including the WM_SHOWWINDOW messages and all */
2608 was_visible = ShowWindow( hwnd, SW_HIDE );
2610 if (!IsWindow( parent )) return 0;
2611 if (!(wndPtr = WIN_GetPtr(hwnd)) || wndPtr == WND_OTHER_PROCESS) return 0;
2613 retvalue = wndPtr->parent; /* old parent */
2614 if (parent != retvalue)
2616 WIN_LinkWindow( hwnd, parent, HWND_TOP );
2618 if (parent != GetDesktopWindow()) /* a child window */
2620 if (!(wndPtr->dwStyle & WS_CHILD))
2622 HMENU menu = (HMENU)SetWindowLongPtrW( hwnd, GWLP_ID, 0 );
2623 if (menu) DestroyMenu( menu );
2627 WIN_ReleasePtr( wndPtr );
2629 /* SetParent additionally needs to make hwnd the topmost window
2630 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2631 WM_WINDOWPOSCHANGED notification messages.
2633 SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
2634 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2635 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2636 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2641 /*******************************************************************
2642 * IsChild (USER32.@)
2644 BOOL WINAPI IsChild( HWND parent, HWND child )
2646 HWND *list = WIN_ListParents( child );
2650 if (!list) return FALSE;
2651 parent = WIN_GetFullHandle( parent );
2652 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2653 ret = (list[i] != 0);
2654 HeapFree( GetProcessHeap(), 0, list );
2659 /***********************************************************************
2660 * IsWindowVisible (USER32.@)
2662 BOOL WINAPI IsWindowVisible( HWND hwnd )
2668 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2669 if (!(list = WIN_ListParents( hwnd ))) return TRUE;
2670 for (i = 0; list[i]; i++)
2671 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2673 HeapFree( GetProcessHeap(), 0, list );
2678 /***********************************************************************
2679 * WIN_IsWindowDrawable
2681 * hwnd is drawable when it is visible, all parents are not
2682 * minimized, and it is itself not minimized unless we are
2683 * trying to draw its default class icon.
2685 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2690 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2692 if (!(style & WS_VISIBLE)) return FALSE;
2693 if ((style & WS_MINIMIZE) && icon && GetClassLongA( hwnd, GCL_HICON )) return FALSE;
2695 if (!(list = WIN_ListParents( hwnd ))) return TRUE;
2696 for (i = 0; list[i]; i++)
2697 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2700 HeapFree( GetProcessHeap(), 0, list );
2705 /*******************************************************************
2706 * GetTopWindow (USER32.@)
2708 HWND WINAPI GetTopWindow( HWND hwnd )
2710 if (!hwnd) hwnd = GetDesktopWindow();
2711 return GetWindow( hwnd, GW_CHILD );
2715 /*******************************************************************
2716 * GetWindow (USER32.@)
2718 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2722 if (rel == GW_OWNER) /* this one may be available locally */
2724 WND *wndPtr = WIN_GetPtr( hwnd );
2727 SetLastError( ERROR_INVALID_HANDLE );
2730 if (wndPtr != WND_OTHER_PROCESS)
2732 retval = wndPtr->owner;
2733 WIN_ReleasePtr( wndPtr );
2736 /* else fall through to server call */
2739 SERVER_START_REQ( get_window_tree )
2742 if (!wine_server_call_err( req ))
2747 retval = reply->first_sibling;
2750 retval = reply->last_sibling;
2753 retval = reply->next_sibling;
2756 retval = reply->prev_sibling;
2759 retval = reply->owner;
2762 retval = reply->first_child;
2772 /***********************************************************************
2773 * WIN_InternalShowOwnedPopups
2775 * Internal version of ShowOwnedPopups; Wine functions should use this
2776 * to avoid interfering with application calls to ShowOwnedPopups
2777 * and to make sure the application can't prevent showing/hiding.
2779 * Set unmanagedOnly to TRUE to show/hide unmanaged windows only.
2783 BOOL WIN_InternalShowOwnedPopups( HWND owner, BOOL fShow, BOOL unmanagedOnly )
2787 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2789 if (!win_array) return TRUE;
2792 * Show windows Lowest first, Highest last to preserve Z-Order
2794 while (win_array[count]) count++;
2795 while (--count >= 0)
2797 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2798 if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue;
2800 if (pWnd->dwStyle & WS_POPUP)
2804 /* check in window was flagged for showing in previous WIN_InternalShowOwnedPopups call */
2805 if (pWnd->flags & WIN_NEEDS_INTERNALSOP)
2808 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2810 ShowWindow(pWnd->hwndSelf,SW_SHOW);
2811 pWnd->flags &= ~WIN_NEEDS_INTERNALSOP; /* remove the flag */
2816 if ( IsWindowVisible(pWnd->hwndSelf) && /* hide only if window is visible */
2817 !( pWnd->flags & WIN_NEEDS_INTERNALSOP ) && /* don't hide if previous call already did it */
2818 !( unmanagedOnly && (pWnd->dwExStyle & WS_EX_MANAGED) ) ) /* don't hide managed windows if unmanagedOnly is TRUE */
2821 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2823 ShowWindow(pWnd->hwndSelf,SW_HIDE);
2824 /* flag the window for showing on next WIN_InternalShowOwnedPopups call */
2825 pWnd->flags |= WIN_NEEDS_INTERNALSOP;
2829 WIN_ReleaseWndPtr( pWnd );
2831 HeapFree( GetProcessHeap(), 0, win_array );
2836 /*******************************************************************
2837 * ShowOwnedPopups (USER32.@)
2839 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2843 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2845 if (!win_array) return TRUE;
2847 while (win_array[count]) count++;
2848 while (--count >= 0)
2850 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2851 if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue;
2853 if (pWnd->dwStyle & WS_POPUP)
2857 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2859 /* In Windows, ShowOwnedPopups(TRUE) generates
2860 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2861 * regardless of the state of the owner
2863 SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_SHOW, SW_PARENTOPENING);
2864 pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
2869 if (IsWindowVisible(pWnd->hwndSelf))
2871 /* In Windows, ShowOwnedPopups(FALSE) generates
2872 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2873 * regardless of the state of the owner
2875 SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2876 pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
2880 WIN_ReleaseWndPtr( pWnd );
2882 HeapFree( GetProcessHeap(), 0, win_array );
2887 /*******************************************************************
2888 * GetLastActivePopup (USER32.@)
2890 HWND WINAPI GetLastActivePopup( HWND hwnd )
2894 SERVER_START_REQ( get_window_info )
2897 if (!wine_server_call_err( req )) retval = reply->last_active;
2904 /*******************************************************************
2907 * Build an array of all parents of a given window, starting with
2908 * the immediate parent. The array must be freed with HeapFree.
2909 * Returns NULL if window is a top-level window.
2911 HWND *WIN_ListParents( HWND hwnd )
2914 HWND current, *list;
2915 int pos = 0, size = 16, count = 0;
2917 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
2922 if (!(win = WIN_GetPtr( current ))) goto empty;
2923 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
2924 list[pos] = win->parent;
2925 WIN_ReleasePtr( win );
2926 if (!(current = list[pos]))
2928 if (!pos) goto empty;
2931 if (++pos == size - 1)
2933 /* need to grow the list */
2934 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
2935 if (!new_list) goto empty;
2941 /* at least one parent belongs to another process, have to query the server */
2946 SERVER_START_REQ( get_window_parents )
2949 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
2950 if (!wine_server_call( req )) count = reply->count;
2953 if (!count) goto empty;
2959 HeapFree( GetProcessHeap(), 0, list );
2961 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
2965 HeapFree( GetProcessHeap(), 0, list );
2970 /*******************************************************************
2973 * Build an array of the children of a given window. The array must be
2974 * freed with HeapFree. Returns NULL when no windows are found.
2976 HWND *WIN_ListChildren( HWND hwnd )
2978 return list_window_children( hwnd, 0, 0 );
2982 /*******************************************************************
2983 * EnumWindows (USER32.@)
2985 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2991 /* We have to build a list of all windows first, to avoid */
2992 /* unpleasant side-effects, for instance if the callback */
2993 /* function changes the Z-order of the windows. */
2995 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2997 /* Now call the callback function for every window */
2999 iWndsLocks = WIN_SuspendWndsLock();
3000 for (i = 0; list[i]; i++)
3002 /* Make sure that the window still exists */
3003 if (!IsWindow( list[i] )) continue;
3004 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
3006 WIN_RestoreWndsLock(iWndsLocks);
3007 HeapFree( GetProcessHeap(), 0, list );
3012 /**********************************************************************
3013 * EnumThreadWindows (USER32.@)
3015 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
3020 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
3022 /* Now call the callback function for every window */
3024 iWndsLocks = WIN_SuspendWndsLock();
3025 for (i = 0; list[i]; i++)
3026 if (!func( list[i], lParam )) break;
3027 WIN_RestoreWndsLock(iWndsLocks);
3028 HeapFree( GetProcessHeap(), 0, list );
3033 /**********************************************************************
3034 * WIN_EnumChildWindows
3036 * Helper function for EnumChildWindows().
3038 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
3043 for ( ; *list; list++)
3045 /* Make sure that the window still exists */
3046 if (!IsWindow( *list )) continue;
3047 /* skip owned windows */
3048 if (GetWindow( *list, GW_OWNER )) continue;
3049 /* Build children list first */
3050 childList = WIN_ListChildren( *list );
3052 ret = func( *list, lParam );
3056 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
3057 HeapFree( GetProcessHeap(), 0, childList );
3059 if (!ret) return FALSE;
3065 /**********************************************************************
3066 * EnumChildWindows (USER32.@)
3068 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
3073 if (!(list = WIN_ListChildren( parent ))) return FALSE;
3074 iWndsLocks = WIN_SuspendWndsLock();
3075 WIN_EnumChildWindows( list, func, lParam );
3076 WIN_RestoreWndsLock(iWndsLocks);
3077 HeapFree( GetProcessHeap(), 0, list );
3082 /*******************************************************************
3083 * AnyPopup (USER.52)
3085 BOOL16 WINAPI AnyPopup16(void)
3091 /*******************************************************************
3092 * AnyPopup (USER32.@)
3094 BOOL WINAPI AnyPopup(void)
3098 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3100 if (!list) return FALSE;
3101 for (i = 0; list[i]; i++)
3103 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3105 retvalue = (list[i] != 0);
3106 HeapFree( GetProcessHeap(), 0, list );
3111 /*******************************************************************
3112 * FlashWindow (USER32.@)
3114 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3116 WND *wndPtr = WIN_FindWndPtr(hWnd);
3118 TRACE("%p\n", hWnd);
3120 if (!wndPtr) return FALSE;
3121 hWnd = wndPtr->hwndSelf; /* make it a full handle */
3123 if (wndPtr->dwStyle & WS_MINIMIZE)
3125 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3126 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3128 wndPtr->flags |= WIN_NCACTIVATED;
3132 wndPtr->flags &= ~WIN_NCACTIVATED;
3134 WIN_ReleaseWndPtr(wndPtr);
3140 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3141 else wparam = (hWnd == GetForegroundWindow());
3143 WIN_ReleaseWndPtr(wndPtr);
3144 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
3149 /*******************************************************************
3150 * FlashWindowEx (USER32.@)
3152 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3154 FIXME("%p\n", pfwi);
3158 /*******************************************************************
3159 * GetWindowContextHelpId (USER32.@)
3161 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3164 WND *wnd = WIN_FindWndPtr( hwnd );
3166 retval = wnd->helpContext;
3167 WIN_ReleaseWndPtr(wnd);
3172 /*******************************************************************
3173 * SetWindowContextHelpId (USER32.@)
3175 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3177 WND *wnd = WIN_FindWndPtr( hwnd );
3178 if (!wnd) return FALSE;
3179 wnd->helpContext = id;
3180 WIN_ReleaseWndPtr(wnd);
3185 /*******************************************************************
3186 * DragDetect (USER32.@)
3188 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3193 rect.left = pt.x - wDragWidth;
3194 rect.right = pt.x + wDragWidth;
3196 rect.top = pt.y - wDragHeight;
3197 rect.bottom = pt.y + wDragHeight;
3203 while(PeekMessageA(&msg ,0 ,WM_MOUSEFIRST ,WM_MOUSELAST ,PM_REMOVE))
3205 if( msg.message == WM_LBUTTONUP )
3210 if( msg.message == WM_MOUSEMOVE )
3213 tmp.x = LOWORD(msg.lParam);
3214 tmp.y = HIWORD(msg.lParam);
3215 if( !PtInRect( &rect, tmp ))
3227 /******************************************************************************
3228 * GetWindowModuleFileNameA (USER32.@)
3230 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3232 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3233 hwnd, lpszFileName, cchFileNameMax);
3237 /******************************************************************************
3238 * GetWindowModuleFileNameW (USER32.@)
3240 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3242 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3243 hwnd, lpszFileName, cchFileNameMax);
3247 /******************************************************************************
3248 * GetWindowInfo (USER32.@)
3250 * Note: tests show that Windows doesn't check cbSize of the structure.
3252 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3254 if (!pwi) return FALSE;
3255 if (!IsWindow(hwnd)) return FALSE;
3257 GetWindowRect(hwnd, &pwi->rcWindow);
3258 GetClientRect(hwnd, &pwi->rcClient);
3259 /* translate to screen coordinates */
3260 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3262 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3263 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3264 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3266 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3267 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3269 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3270 pwi->wCreatorVersion = 0x0400;
3275 /******************************************************************************
3276 * SwitchDesktop (USER32.@)
3278 * NOTES: Sets the current input or interactive desktop.
3280 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3282 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);