/* * Window related functions * * Copyright 1993, 1994 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include "wine/port.h" #include #include #include #include #include "windef.h" #include "winbase.h" #include "wine/winbase16.h" #include "wine/winuser16.h" #include "wownt32.h" #include "wine/server.h" #include "wine/unicode.h" #include "win.h" #include "user.h" #include "dce.h" #include "controls.h" #include "cursoricon.h" #include "message.h" #include "winpos.h" #include "winerror.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(win); WINE_DECLARE_DEBUG_CHANNEL(msg); #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1) #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1) /**********************************************************************/ /* Desktop window */ static WND *pWndDesktop = NULL; static WORD wDragWidth = 4; static WORD wDragHeight= 3; static void *user_handles[NB_USER_HANDLES]; /*********************************************************************** * create_window_handle * * Create a window handle with the server. */ static WND *create_window_handle( HWND parent, HWND owner, ATOM atom, HINSTANCE instance, WINDOWPROCTYPE type ) { WORD index; WND *win; struct tagCLASS *class = NULL; user_handle_t handle = 0; int extra_bytes = 0; /* if 16-bit instance, map to module handle */ if (instance && !HIWORD(instance)) instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance))); SERVER_START_REQ( create_window ) { req->parent = parent; req->owner = owner; req->atom = atom; req->instance = instance; if (!wine_server_call_err( req )) { handle = reply->handle; extra_bytes = reply->extra; class = reply->class_ptr; } } SERVER_END_REQ; if (!handle) { WARN( "error %ld creating window\n", GetLastError() ); return NULL; } if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) ))) { SERVER_START_REQ( destroy_window ) { req->handle = handle; wine_server_call( req ); } SERVER_END_REQ; SetLastError( ERROR_NOT_ENOUGH_MEMORY ); return NULL; } USER_Lock(); index = USER_HANDLE_TO_INDEX(handle); assert( index < NB_USER_HANDLES ); user_handles[index] = win; win->hwndSelf = handle; win->dwMagic = WND_MAGIC; win->irefCount = 1; win->cbWndExtra = extra_bytes; memset( win->wExtra, 0, extra_bytes ); CLASS_AddWindow( class, win, type ); return win; } /*********************************************************************** * free_window_handle * * Free a window handle. */ static WND *free_window_handle( HWND hwnd ) { WND *ptr; WORD index = USER_HANDLE_TO_INDEX(hwnd); if (index >= NB_USER_HANDLES) return NULL; USER_Lock(); if ((ptr = user_handles[index])) { SERVER_START_REQ( destroy_window ) { req->handle = hwnd; if (!wine_server_call_err( req )) user_handles[index] = NULL; else ptr = NULL; } SERVER_END_REQ; } USER_Unlock(); if (ptr) HeapFree( GetProcessHeap(), 0, ptr ); return ptr; } /******************************************************************* * list_window_children * * Build an array of the children of a given window. The array must be * freed with HeapFree. Returns NULL when no windows are found. */ static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid ) { HWND *list; int size = 32; for (;;) { int count = 0; if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break; SERVER_START_REQ( get_window_children ) { req->parent = hwnd; req->atom = atom; req->tid = tid; wine_server_set_reply( req, list, (size-1) * sizeof(HWND) ); if (!wine_server_call( req )) count = reply->count; } SERVER_END_REQ; if (count && count < size) { list[count] = 0; return list; } HeapFree( GetProcessHeap(), 0, list ); if (!count) break; size = count + 1; /* restart with a large enough buffer */ } return NULL; } /******************************************************************* * send_parent_notify */ static void send_parent_notify( HWND hwnd, UINT msg ) { if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD && !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY)) SendMessageW( GetParent(hwnd), WM_PARENTNOTIFY, MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd ); } /******************************************************************* * get_server_window_text * * Retrieve the window text from the server. */ static void get_server_window_text( HWND hwnd, LPWSTR text, INT count ) { size_t len = 0; SERVER_START_REQ( get_window_text ) { req->handle = hwnd; wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) ); if (!wine_server_call_err( req )) len = wine_server_reply_size(reply); } SERVER_END_REQ; text[len / sizeof(WCHAR)] = 0; } /*********************************************************************** * WIN_GetPtr * * Return a pointer to the WND structure if local to the process, * or WND_OTHER_PROCESS if handle may be valid in other process. * If ret value is a valid pointer, it must be released with WIN_ReleasePtr. */ WND *WIN_GetPtr( HWND hwnd ) { WND * ptr; WORD index = USER_HANDLE_TO_INDEX(hwnd); if (index >= NB_USER_HANDLES) return NULL; USER_Lock(); if ((ptr = user_handles[index])) { if (ptr->dwMagic == WND_MAGIC && (!HIWORD(hwnd) || hwnd == ptr->hwndSelf)) return ptr; ptr = NULL; } else ptr = WND_OTHER_PROCESS; USER_Unlock(); return ptr; } /*********************************************************************** * WIN_IsCurrentProcess * * Check whether a given window belongs to the current process (and return the full handle). */ HWND WIN_IsCurrentProcess( HWND hwnd ) { WND *ptr; HWND ret; if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS) return 0; ret = ptr->hwndSelf; WIN_ReleasePtr( ptr ); return ret; } /*********************************************************************** * WIN_IsCurrentThread * * Check whether a given window belongs to the current thread (and return the full handle). */ HWND WIN_IsCurrentThread( HWND hwnd ) { WND *ptr; HWND ret = 0; if ((ptr = WIN_GetPtr( hwnd )) && ptr != WND_OTHER_PROCESS) { if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf; WIN_ReleasePtr( ptr ); } return ret; } /*********************************************************************** * WIN_Handle32 * * Convert a 16-bit window handle to a full 32-bit handle. */ HWND WIN_Handle32( HWND16 hwnd16 ) { WND *ptr; HWND hwnd = (HWND)(ULONG_PTR)hwnd16; if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd; /* do sign extension for -2 and -3 */ if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16; if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd; if (ptr != WND_OTHER_PROCESS) { hwnd = ptr->hwndSelf; WIN_ReleasePtr( ptr ); } else /* may belong to another process */ { SERVER_START_REQ( get_window_info ) { req->handle = hwnd; if (!wine_server_call_err( req )) hwnd = reply->full_handle; } SERVER_END_REQ; } return hwnd; } /*********************************************************************** * WIN_FindWndPtr * * Return a pointer to the WND structure corresponding to a HWND. */ WND * WIN_FindWndPtr( HWND hwnd ) { WND * ptr; if (!hwnd) return NULL; if ((ptr = WIN_GetPtr( hwnd ))) { if (ptr != WND_OTHER_PROCESS) { /* increment destruction monitoring */ ptr->irefCount++; return ptr; } if (IsWindow( hwnd )) /* check other processes */ { ERR( "window %p belongs to other process\n", hwnd ); /* DbgBreakPoint(); */ } } SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return NULL; } /*********************************************************************** * WIN_ReleaseWndPtr * * Release the pointer to the WND structure. */ void WIN_ReleaseWndPtr(WND *wndPtr) { if(!wndPtr) return; /* Decrement destruction monitoring value */ wndPtr->irefCount--; /* Check if it's time to release the memory */ if(wndPtr->irefCount == 0 && !wndPtr->dwMagic) { /* Release memory */ free_window_handle( wndPtr->hwndSelf ); } else if(wndPtr->irefCount < 0) { /* This else if is useful to monitor the WIN_ReleaseWndPtr function */ ERR("forgot a Lock on %p somewhere\n",wndPtr); } /* unlock all WND structures for thread safeness */ USER_Unlock(); } /*********************************************************************** * WIN_UnlinkWindow * * Remove a window from the siblings linked list. */ void WIN_UnlinkWindow( HWND hwnd ) { WIN_LinkWindow( hwnd, 0, 0 ); } /*********************************************************************** * WIN_LinkWindow * * Insert a window into the siblings linked list. * The window is inserted after the specified window, which can also * be specified as HWND_TOP or HWND_BOTTOM. * If parent is 0, window is unlinked from the tree. */ void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter ) { WND *wndPtr = WIN_GetPtr( hwnd ); if (!wndPtr) return; if (wndPtr == WND_OTHER_PROCESS) { if (IsWindow(hwnd)) ERR(" cannot link other process window %p\n", hwnd ); return; } SERVER_START_REQ( link_window ) { req->handle = hwnd; req->parent = parent; req->previous = hwndInsertAfter; if (!wine_server_call( req )) { if (reply->full_parent) wndPtr->parent = reply->full_parent; } } SERVER_END_REQ; WIN_ReleasePtr( wndPtr ); } /*********************************************************************** * WIN_SetOwner * * Change the owner of a window. */ HWND WIN_SetOwner( HWND hwnd, HWND owner ) { WND *win = WIN_GetPtr( hwnd ); HWND ret = 0; if (!win) return 0; if (win == WND_OTHER_PROCESS) { if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd ); return 0; } SERVER_START_REQ( set_window_owner ) { req->handle = hwnd; req->owner = owner; if (!wine_server_call( req )) { win->owner = reply->full_owner; ret = reply->prev_owner; } } SERVER_END_REQ; WIN_ReleasePtr( win ); return ret; } /*********************************************************************** * WIN_SetStyle * * Change the style of a window. */ LONG WIN_SetStyle( HWND hwnd, LONG style ) { BOOL ok; LONG ret = 0; WND *win = WIN_GetPtr( hwnd ); if (!win) return 0; if (win == WND_OTHER_PROCESS) { if (IsWindow(hwnd)) ERR( "cannot set style %lx on other process window %p\n", style, hwnd ); return 0; } if (style == win->dwStyle) { WIN_ReleasePtr( win ); return style; } SERVER_START_REQ( set_window_info ) { req->handle = hwnd; req->flags = SET_WIN_STYLE; req->style = style; req->extra_offset = -1; if ((ok = !wine_server_call( req ))) { ret = reply->old_style; win->dwStyle = style; } } SERVER_END_REQ; WIN_ReleasePtr( win ); if (ok && USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, ret ); return ret; } /*********************************************************************** * WIN_SetExStyle * * Change the extended style of a window. */ LONG WIN_SetExStyle( HWND hwnd, LONG style ) { LONG ret = 0; WND *win = WIN_GetPtr( hwnd ); if (!win) return 0; if (win == WND_OTHER_PROCESS) { if (IsWindow(hwnd)) ERR( "cannot set exstyle %lx on other process window %p\n", style, hwnd ); return 0; } if (style == win->dwExStyle) { WIN_ReleasePtr( win ); return style; } SERVER_START_REQ( set_window_info ) { req->handle = hwnd; req->flags = SET_WIN_EXSTYLE; req->ex_style = style; req->extra_offset = -1; if (!wine_server_call( req )) { ret = reply->old_ex_style; win->dwExStyle = style; } } SERVER_END_REQ; WIN_ReleasePtr( win ); return ret; } /*********************************************************************** * WIN_GetRectangles * * Get the window and client rectangles. */ BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient ) { WND *win = WIN_GetPtr( hwnd ); BOOL ret = TRUE; if (!win) return FALSE; if (win == WND_OTHER_PROCESS) { SERVER_START_REQ( get_window_rectangles ) { req->handle = hwnd; if ((ret = !wine_server_call( req ))) { if (rectWindow) { rectWindow->left = reply->window.left; rectWindow->top = reply->window.top; rectWindow->right = reply->window.right; rectWindow->bottom = reply->window.bottom; } if (rectClient) { rectClient->left = reply->client.left; rectClient->top = reply->client.top; rectClient->right = reply->client.right; rectClient->bottom = reply->client.bottom; } } } SERVER_END_REQ; } else { if (rectWindow) *rectWindow = win->rectWindow; if (rectClient) *rectClient = win->rectClient; WIN_ReleasePtr( win ); } return ret; } /*********************************************************************** * WIN_DestroyWindow * * Destroy storage associated to a window. "Internals" p.358 */ LRESULT WIN_DestroyWindow( HWND hwnd ) { WND *wndPtr; HWND *list; TRACE("%p\n", hwnd ); if (!(hwnd = WIN_IsCurrentThread( hwnd ))) { ERR( "window doesn't belong to current thread\n" ); return 0; } /* free child windows */ if ((list = WIN_ListChildren( hwnd ))) { int i; for (i = 0; list[i]; i++) { if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] ); else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 ); } HeapFree( GetProcessHeap(), 0, list ); } /* * Clear the update region to make sure no WM_PAINT messages will be * generated for this window while processing the WM_NCDESTROY. */ RedrawWindow( hwnd, NULL, 0, RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN); /* * Send the WM_NCDESTROY to the window being destroyed. */ SendMessageA( hwnd, WM_NCDESTROY, 0, 0); /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */ WINPOS_CheckInternalPos( hwnd ); if( hwnd == GetCapture()) ReleaseCapture(); /* free resources associated with the window */ TIMER_RemoveWindowTimers( hwnd ); if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; if (!(wndPtr->dwStyle & WS_CHILD)) { HMENU menu = (HMENU)SetWindowLongPtrW( hwnd, GWLP_ID, 0 ); if (menu) DestroyMenu( menu ); } if (wndPtr->hSysMenu) { DestroyMenu( wndPtr->hSysMenu ); wndPtr->hSysMenu = 0; } DCE_FreeWindowDCE( hwnd ); /* Always do this to catch orphaned DCs */ if (USER_Driver.pDestroyWindow) USER_Driver.pDestroyWindow( hwnd ); wndPtr->class = NULL; wndPtr->dwMagic = 0; /* Mark it as invalid */ WIN_ReleaseWndPtr( wndPtr ); return 0; } /*********************************************************************** * WIN_DestroyThreadWindows * * Destroy all children of 'wnd' owned by the current thread. * Return TRUE if something was done. */ void WIN_DestroyThreadWindows( HWND hwnd ) { HWND *list; int i; if (!(list = WIN_ListChildren( hwnd ))) return; for (i = 0; list[i]; i++) { if (WIN_IsCurrentThread( list[i] )) DestroyWindow( list[i] ); else WIN_DestroyThreadWindows( list[i] ); } HeapFree( GetProcessHeap(), 0, list ); } /*********************************************************************** * WIN_CreateDesktopWindow * * Create the desktop window. */ BOOL WIN_CreateDesktopWindow(void) { HWND hwndDesktop; CREATESTRUCTA cs; TRACE("Creating desktop window\n"); if (!WINPOS_CreateInternalPosAtom()) return FALSE; pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W ); if (!pWndDesktop) return FALSE; hwndDesktop = pWndDesktop->hwndSelf; pWndDesktop->tid = 0; /* nobody owns the desktop */ pWndDesktop->parent = 0; pWndDesktop->owner = 0; pWndDesktop->text = NULL; pWndDesktop->hrgnUpdate = 0; pWndDesktop->pVScroll = NULL; pWndDesktop->pHScroll = NULL; pWndDesktop->helpContext = 0; pWndDesktop->flags = 0; pWndDesktop->hSysMenu = 0; cs.lpCreateParams = NULL; cs.hInstance = 0; cs.hMenu = 0; cs.hwndParent = 0; cs.x = 0; cs.y = 0; cs.cx = GetSystemMetrics( SM_CXSCREEN ); cs.cy = GetSystemMetrics( SM_CYSCREEN ); cs.style = pWndDesktop->dwStyle; cs.dwExStyle = pWndDesktop->dwExStyle; cs.lpszName = NULL; cs.lpszClass = DESKTOP_CLASS_ATOM; SERVER_START_REQ( set_window_info ) { req->handle = hwndDesktop; req->flags = 0; /* don't set anything, just retrieve */ req->extra_offset = -1; wine_server_call( req ); pWndDesktop->dwStyle = reply->old_style; pWndDesktop->dwExStyle = reply->old_ex_style; pWndDesktop->hInstance = (HINSTANCE)reply->old_instance; pWndDesktop->userdata = (ULONG_PTR)reply->old_user_data; pWndDesktop->wIDmenu = reply->old_id; } SERVER_END_REQ; if (!USER_Driver.pCreateWindow || !USER_Driver.pCreateWindow( hwndDesktop, &cs, FALSE )) { WIN_ReleaseWndPtr( pWndDesktop ); return FALSE; } pWndDesktop->flags |= WIN_NEEDS_ERASEBKGND; WIN_ReleaseWndPtr( pWndDesktop ); return TRUE; } /*********************************************************************** * WIN_FixCoordinates * * Fix the coordinates - Helper for WIN_CreateWindowEx. * returns default show mode in sw. * Note: the feature presented as undocumented *is* in the MSDN since 1993. */ static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw) { if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16 || cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16) { if (cs->style & (WS_CHILD | WS_POPUP)) { if (cs->dwExStyle & WS_EX_MDICHILD) { POINT pos[2]; MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0); if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16) { cs->x = pos[0].x; cs->y = pos[0].y; } if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16 || !cs->cx) cs->cx = pos[1].x; if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16 || !cs->cy) cs->cy = pos[1].y; } else { if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16) cs->x = cs->y = 0; if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16) cs->cx = cs->cy = 0; } } else /* overlapped window */ { STARTUPINFOA info; GetStartupInfoA( &info ); if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16) { /* Never believe Microsoft's documentation... CreateWindowEx doc says * that if an overlapped window is created with WS_VISIBLE style bit * set and the x parameter is set to CW_USEDEFAULT, the system ignores * the y parameter. However, disassembling NT implementation (WIN32K.SYS) * reveals that * * 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16 * 2) it does not ignore the y parameter as the docs claim; instead, it * uses it as second parameter to ShowWindow() unless y is either * CW_USEDEFAULT or CW_USEDEFAULT16. * * The fact that we didn't do 2) caused bogus windows pop up when wine * was running apps that were using this obscure feature. Example - * calc.exe that comes with Win98 (only Win98, it's different from * the one that comes with Win95 and NT) */ if (cs->y != CW_USEDEFAULT && cs->y != CW_USEDEFAULT16) *sw = cs->y; cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : 0; cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : 0; } if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16) { if (info.dwFlags & STARTF_USESIZE) { cs->cx = info.dwXSize; cs->cy = info.dwYSize; } else /* if no other hint from the app, pick 3/4 of the screen real estate */ { RECT r; SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0); cs->cx = (((r.right - r.left) * 3) / 4) - cs->x; cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y; } } } } else { /* neither x nor cx are default. Check the y values . * In the trace we see Outlook and Outlook Express using * cy set to CW_USEDEFAULT when opening the address book. */ if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16) { RECT r; FIXME("Strange use of CW_USEDEFAULT in nHeight\n"); SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0); cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y; } } } /*********************************************************************** * dump_window_styles */ static void dump_window_styles( DWORD style, DWORD exstyle ) { TRACE( "style:" ); if(style & WS_POPUP) TRACE(" WS_POPUP"); if(style & WS_CHILD) TRACE(" WS_CHILD"); if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE"); if(style & WS_VISIBLE) TRACE(" WS_VISIBLE"); if(style & WS_DISABLED) TRACE(" WS_DISABLED"); if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS"); if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN"); if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE"); if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION"); else { if(style & WS_BORDER) TRACE(" WS_BORDER"); if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME"); } if(style & WS_VSCROLL) TRACE(" WS_VSCROLL"); if(style & WS_HSCROLL) TRACE(" WS_HSCROLL"); if(style & WS_SYSMENU) TRACE(" WS_SYSMENU"); if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME"); if(style & WS_GROUP) TRACE(" WS_GROUP"); if(style & WS_TABSTOP) TRACE(" WS_TABSTOP"); if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX"); if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX"); /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */ #define DUMPED_STYLES \ (WS_POPUP | \ WS_CHILD | \ WS_MINIMIZE | \ WS_VISIBLE | \ WS_DISABLED | \ WS_CLIPSIBLINGS | \ WS_CLIPCHILDREN | \ WS_MAXIMIZE | \ WS_BORDER | \ WS_DLGFRAME | \ WS_VSCROLL | \ WS_HSCROLL | \ WS_SYSMENU | \ WS_THICKFRAME | \ WS_GROUP | \ WS_TABSTOP | \ WS_MINIMIZEBOX | \ WS_MAXIMIZEBOX) if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES); TRACE("\n"); #undef DUMPED_STYLES TRACE( "exstyle:" ); if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME"); if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT"); if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY"); if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST"); if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES"); if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT"); if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD"); if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW"); if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE"); if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE"); if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP"); if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT"); if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING"); if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR"); if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT"); if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE"); if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW"); if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED"); #define DUMPED_EX_STYLES \ (WS_EX_DLGMODALFRAME | \ WS_EX_DRAGDETECT | \ WS_EX_NOPARENTNOTIFY | \ WS_EX_TOPMOST | \ WS_EX_ACCEPTFILES | \ WS_EX_TRANSPARENT | \ WS_EX_MDICHILD | \ WS_EX_TOOLWINDOW | \ WS_EX_WINDOWEDGE | \ WS_EX_CLIENTEDGE | \ WS_EX_CONTEXTHELP | \ WS_EX_RIGHT | \ WS_EX_RTLREADING | \ WS_EX_LEFTSCROLLBAR | \ WS_EX_CONTROLPARENT | \ WS_EX_STATICEDGE | \ WS_EX_APPWINDOW | \ WS_EX_LAYERED) if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES); TRACE("\n"); #undef DUMPED_EX_STYLES } /*********************************************************************** * WIN_CreateWindowEx * * Implementation of CreateWindowEx(). */ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom, WINDOWPROCTYPE type ) { INT sw = SW_SHOW; WND *wndPtr; HWND hwnd, parent, owner, top_child = 0; BOOL unicode = (type == WIN_PROC_32W); TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n", (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszName) : debugstr_a(cs->lpszName), (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass), cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy, cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams ); if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle ); TRACE("winproc type is %d (%s)\n", type, (type == WIN_PROC_16) ? "WIN_PROC_16" : ((type == WIN_PROC_32A) ? "WIN_PROC_32A" : "WIN_PROC_32W") ); /* Fix the styles for MDI children */ if (cs->dwExStyle & WS_EX_MDICHILD) { MDICREATESTRUCTA mdi_cs; UINT flags = 0; wndPtr = WIN_GetPtr(cs->hwndParent); if (wndPtr && wndPtr != WND_OTHER_PROCESS) { flags = wndPtr->flags; WIN_ReleasePtr(wndPtr); } if (!(flags & WIN_ISMDICLIENT)) { WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent); return 0; } /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children. * MDICREATESTRUCT members have the originally passed values. * * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW * have the same layout. */ mdi_cs.szClass = cs->lpszClass; mdi_cs.szTitle = cs->lpszName; mdi_cs.hOwner = cs->hInstance; mdi_cs.x = cs->x; mdi_cs.y = cs->y; mdi_cs.cx = cs->cx; mdi_cs.cy = cs->cy; mdi_cs.style = cs->style; mdi_cs.lParam = (LPARAM)cs->lpCreateParams; cs->lpCreateParams = (LPVOID)&mdi_cs; if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES) { if (cs->style & WS_POPUP) { TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n"); return 0; } cs->style |= WS_CHILD | WS_CLIPSIBLINGS; } else { cs->style &= ~WS_POPUP; cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX; } top_child = GetWindow(cs->hwndParent, GW_CHILD); if (top_child) { /* Restore current maximized child */ if((cs->style & WS_VISIBLE) && IsZoomed(top_child)) { TRACE("Restoring current maximized child %p\n", top_child); SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 ); ShowWindow(top_child, SW_RESTORE); SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 ); } } } /* Find the parent window */ parent = GetDesktopWindow(); owner = 0; if (cs->hwndParent == HWND_MESSAGE) { /* native ole32.OleInitialize uses HWND_MESSAGE to create the * message window (style: WS_POPUP|WS_DISABLED) */ FIXME("Parent is HWND_MESSAGE\n"); } else if (cs->hwndParent) { /* Make sure parent is valid */ if (!IsWindow( cs->hwndParent )) { WARN("Bad parent %p\n", cs->hwndParent ); return 0; } if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD) parent = WIN_GetFullHandle(cs->hwndParent); else owner = GetAncestor( cs->hwndParent, GA_ROOT ); } else if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD) { WARN("No parent for child window\n" ); return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */ } WIN_FixCoordinates(cs, &sw); /* fix default coordinates */ /* Correct the window styles. * * It affects both the style loaded into the WIN structure and * passed in the CREATESTRUCT to the WM_[NC]CREATE. * * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so * why does the user get to set it? */ /* This has been tested for WS_CHILD | WS_VISIBLE. It has not been * tested for WS_POPUP */ if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) || ((!(cs->dwExStyle & WS_EX_STATICEDGE)) && (cs->style & (WS_DLGFRAME | WS_THICKFRAME)))) cs->dwExStyle |= WS_EX_WINDOWEDGE; else cs->dwExStyle &= ~WS_EX_WINDOWEDGE; if (!(cs->style & WS_CHILD)) { cs->style |= WS_CLIPSIBLINGS; if (!(cs->style & WS_POPUP)) cs->style |= WS_CAPTION; } /* Create the window structure */ if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, type ))) { TRACE("out of memory\n" ); return 0; } hwnd = wndPtr->hwndSelf; /* Fill the window structure */ wndPtr->tid = GetCurrentThreadId(); wndPtr->owner = owner; wndPtr->parent = parent; wndPtr->hInstance = cs->hInstance; wndPtr->text = NULL; wndPtr->hrgnUpdate = 0; wndPtr->dwStyle = cs->style & ~WS_VISIBLE; wndPtr->dwExStyle = cs->dwExStyle; wndPtr->wIDmenu = 0; wndPtr->helpContext = 0; wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32; wndPtr->pVScroll = NULL; wndPtr->pHScroll = NULL; wndPtr->userdata = 0; wndPtr->hIcon = 0; wndPtr->hIconSmall = 0; wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0; if (!(cs->style & (WS_CHILD | WS_POPUP))) wndPtr->flags |= WIN_NEED_SIZE; SERVER_START_REQ( set_window_info ) { req->handle = hwnd; req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE; req->style = wndPtr->dwStyle; req->ex_style = wndPtr->dwExStyle; req->instance = (void *)wndPtr->hInstance; req->extra_offset = -1; wine_server_call( req ); } SERVER_END_REQ; /* Get class or window DC if needed */ if (wndPtr->clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC); /* Set the window menu */ if (((wndPtr->dwStyle & (WS_CAPTION|WS_CHILD)) == WS_CAPTION) || (wndPtr->dwExStyle & WS_EX_APPWINDOW)) { if (cs->hMenu) MENU_SetMenu(hwnd, cs->hMenu); else { LPCSTR menuName = (LPCSTR)GetClassLongA( hwnd, GCL_MENUNAME ); if (menuName) { if (HIWORD(cs->hInstance)) cs->hMenu = LoadMenuA(cs->hInstance,menuName); else cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName)); if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu ); } } } else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu ); WIN_ReleaseWndPtr( wndPtr ); if (!USER_Driver.pCreateWindow || !USER_Driver.pCreateWindow( hwnd, cs, unicode)) { WIN_DestroyWindow( hwnd ); return 0; } /* Notify the parent window only */ send_parent_notify( hwnd, WM_CREATE ); if (!IsWindow( hwnd )) return 0; if (cs->style & WS_VISIBLE) { if (cs->style & WS_MAXIMIZE) sw = SW_SHOWMAXIMIZED; else if (cs->style & WS_MINIMIZE) sw = SW_SHOWMINIMIZED; ShowWindow( hwnd, sw ); if (cs->dwExStyle & WS_EX_MDICHILD) { SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0); /* ShowWindow won't activate child windows */ SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE ); } } /* Call WH_SHELL hook */ if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER )) HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE ); TRACE("created window %p\n", hwnd); return hwnd; } /*********************************************************************** * CreateWindow (USER.41) */ HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName, DWORD style, INT16 x, INT16 y, INT16 width, INT16 height, HWND16 parent, HMENU16 menu, HINSTANCE16 instance, LPVOID data ) { return CreateWindowEx16( 0, className, windowName, style, x, y, width, height, parent, menu, instance, data ); } /*********************************************************************** * CreateWindowEx (USER.452) */ HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className, LPCSTR windowName, DWORD style, INT16 x, INT16 y, INT16 width, INT16 height, HWND16 parent, HMENU16 menu, HINSTANCE16 instance, LPVOID data ) { ATOM classAtom; CREATESTRUCTA cs; char buffer[256]; /* Find the class atom */ if (HIWORD(className)) { if (!(classAtom = GlobalFindAtomA( className ))) { ERR( "bad class name %s\n", debugstr_a(className) ); return 0; } } else { classAtom = LOWORD(className); if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) )) { ERR( "bad atom %x\n", classAtom); return 0; } className = buffer; } /* Fix the coordinates */ cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x; cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y; cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width; cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height; /* Create the window */ cs.lpCreateParams = data; cs.hInstance = HINSTANCE_32(instance); cs.hMenu = HMENU_32(menu); cs.hwndParent = WIN_Handle32( parent ); cs.style = style; cs.lpszName = windowName; cs.lpszClass = className; cs.dwExStyle = exStyle; return HWND_16( WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_16 )); } /*********************************************************************** * CreateWindowExA (USER32.@) */ HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className, LPCSTR windowName, DWORD style, INT x, INT y, INT width, INT height, HWND parent, HMENU menu, HINSTANCE instance, LPVOID data ) { ATOM classAtom; CREATESTRUCTA cs; char buffer[256]; /* Find the class atom */ if (HIWORD(className)) { if (!(classAtom = GlobalFindAtomA( className ))) { ERR( "bad class name %s\n", debugstr_a(className) ); return 0; } } else { classAtom = LOWORD(className); if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) )) { ERR( "bad atom %x\n", classAtom); return 0; } className = buffer; } /* Create the window */ cs.lpCreateParams = data; cs.hInstance = instance; cs.hMenu = menu; cs.hwndParent = parent; cs.x = x; cs.y = y; cs.cx = width; cs.cy = height; cs.style = style; cs.lpszName = windowName; cs.lpszClass = className; cs.dwExStyle = exStyle; return WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_32A ); } /*********************************************************************** * CreateWindowExW (USER32.@) */ HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className, LPCWSTR windowName, DWORD style, INT x, INT y, INT width, INT height, HWND parent, HMENU menu, HINSTANCE instance, LPVOID data ) { ATOM classAtom; CREATESTRUCTW cs; WCHAR buffer[256]; /* Find the class atom */ if (HIWORD(className)) { if (!(classAtom = GlobalFindAtomW( className ))) { ERR( "bad class name %s\n", debugstr_w(className) ); return 0; } } else { classAtom = LOWORD(className); if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) )) { ERR( "bad atom %x\n", classAtom); return 0; } className = buffer; } /* Create the window */ cs.lpCreateParams = data; cs.hInstance = instance; cs.hMenu = menu; cs.hwndParent = parent; cs.x = x; cs.y = y; cs.cx = width; cs.cy = height; cs.style = style; cs.lpszName = windowName; cs.lpszClass = className; cs.dwExStyle = exStyle; /* Note: we rely on the fact that CREATESTRUCTA and */ /* CREATESTRUCTW have the same layout. */ return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_PROC_32W ); } /*********************************************************************** * WIN_SendDestroyMsg */ static void WIN_SendDestroyMsg( HWND hwnd ) { GUITHREADINFO info; if (GetGUIThreadInfo( GetCurrentThreadId(), &info )) { if (hwnd == info.hwndCaret) DestroyCaret(); if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd ); } if (USER_Driver.pResetSelectionOwner) USER_Driver.pResetSelectionOwner( hwnd, TRUE ); /* * Send the WM_DESTROY to the window. */ SendMessageA( hwnd, WM_DESTROY, 0, 0); /* * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow * make sure that the window still exists when we come back. */ if (IsWindow(hwnd)) { HWND* pWndArray; int i; if (!(pWndArray = WIN_ListChildren( hwnd ))) return; /* start from the end (FIXME: is this needed?) */ for (i = 0; pWndArray[i]; i++) ; while (--i >= 0) { if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] ); } HeapFree( GetProcessHeap(), 0, pWndArray ); } else WARN("\tdestroyed itself while in WM_DESTROY!\n"); } /*********************************************************************** * DestroyWindow (USER32.@) */ BOOL WINAPI DestroyWindow( HWND hwnd ) { BOOL is_child; if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow())) { SetLastError( ERROR_ACCESS_DENIED ); return FALSE; } TRACE("(%p)\n", hwnd); /* Call hooks */ if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE; if (MENU_IsMenuActive() == hwnd) EndMenu(); is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0; if (is_child) { if (!USER_IsExitingThread( GetCurrentThreadId() )) send_parent_notify( hwnd, WM_DESTROY ); } else if (!GetWindow( hwnd, GW_OWNER )) { HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE ); /* FIXME: clean up palette - see "Internals" p.352 */ } if (!IsWindow(hwnd)) return TRUE; if (USER_Driver.pResetSelectionOwner) USER_Driver.pResetSelectionOwner( hwnd, FALSE ); /* before the window is unmapped */ /* Hide the window */ /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */ if (is_child) ShowWindow( hwnd, SW_HIDE ); else SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW ); if (!IsWindow(hwnd)) return TRUE; /* Recursively destroy owned windows */ if (!is_child) { for (;;) { int i, got_one = 0; HWND *list = WIN_ListChildren( GetDesktopWindow() ); if (list) { for (i = 0; list[i]; i++) { if (GetWindow( list[i], GW_OWNER ) != hwnd) continue; if (WIN_IsCurrentThread( list[i] )) { DestroyWindow( list[i] ); got_one = 1; continue; } WIN_SetOwner( list[i], 0 ); } HeapFree( GetProcessHeap(), 0, list ); } if (!got_one) break; } } /* Send destroy messages */ WIN_SendDestroyMsg( hwnd ); if (!IsWindow( hwnd )) return TRUE; if (GetClipboardOwner() == hwnd) CLIPBOARD_ReleaseOwner(); /* Unlink now so we won't bother with the children later on */ WIN_UnlinkWindow( hwnd ); /* Destroy the window storage */ WIN_DestroyWindow( hwnd ); return TRUE; } /*********************************************************************** * CloseWindow (USER32.@) */ BOOL WINAPI CloseWindow( HWND hwnd ) { if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE; ShowWindow( hwnd, SW_MINIMIZE ); return TRUE; } /*********************************************************************** * OpenIcon (USER32.@) */ BOOL WINAPI OpenIcon( HWND hwnd ) { if (!IsIconic( hwnd )) return FALSE; ShowWindow( hwnd, SW_SHOWNORMAL ); return TRUE; } /*********************************************************************** * WIN_FindWindow * * Implementation of FindWindow() and FindWindowEx(). */ static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title ) { HWND *list = NULL; HWND retvalue = 0; int i = 0, len = 0; WCHAR *buffer = NULL; if (!parent) parent = GetDesktopWindow(); if (title) { len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */ if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0; } if (!(list = list_window_children( parent, className, 0 ))) goto done; if (child) { child = WIN_GetFullHandle( child ); while (list[i] && list[i] != child) i++; if (!list[i]) goto done; i++; /* start from next window */ } if (title) { while (list[i]) { if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break; i++; } } retvalue = list[i]; done: if (list) HeapFree( GetProcessHeap(), 0, list ); if (buffer) HeapFree( GetProcessHeap(), 0, buffer ); return retvalue; } /*********************************************************************** * FindWindowA (USER32.@) */ HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title ) { HWND ret = FindWindowExA( 0, 0, className, title ); if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS); return ret; } /*********************************************************************** * FindWindowExA (USER32.@) */ HWND WINAPI FindWindowExA( HWND parent, HWND child, LPCSTR className, LPCSTR title ) { ATOM atom = 0; LPWSTR buffer; HWND hwnd; INT len; if (className) { /* If the atom doesn't exist, then no class */ /* with this name exists either. */ if (!(atom = GlobalFindAtomA( className ))) { SetLastError (ERROR_CANNOT_FIND_WND_CLASS); return 0; } } if (!title) return WIN_FindWindow( parent, child, atom, NULL ); len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 ); if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0; MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len ); hwnd = WIN_FindWindow( parent, child, atom, buffer ); HeapFree( GetProcessHeap(), 0, buffer ); return hwnd; } /*********************************************************************** * FindWindowExW (USER32.@) */ HWND WINAPI FindWindowExW( HWND parent, HWND child, LPCWSTR className, LPCWSTR title ) { ATOM atom = 0; if (className) { /* If the atom doesn't exist, then no class */ /* with this name exists either. */ if (!(atom = GlobalFindAtomW( className ))) { SetLastError (ERROR_CANNOT_FIND_WND_CLASS); return 0; } } return WIN_FindWindow( parent, child, atom, title ); } /*********************************************************************** * FindWindowW (USER32.@) */ HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title ) { return FindWindowExW( 0, 0, className, title ); } /********************************************************************** * GetDesktopWindow (USER32.@) */ HWND WINAPI GetDesktopWindow(void) { if (pWndDesktop) return pWndDesktop->hwndSelf; 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" ); ExitProcess(1); return 0; } /******************************************************************* * EnableWindow (USER32.@) */ BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable ) { WND *wndPtr; BOOL retvalue; LONG style; HWND full_handle; if (is_broadcast(hwnd)) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (!(full_handle = WIN_IsCurrentThread( hwnd ))) return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 ); hwnd = full_handle; TRACE("( %p, %d )\n", hwnd, enable); if (!(wndPtr = WIN_GetPtr( hwnd ))) return FALSE; style = wndPtr->dwStyle; retvalue = ((style & WS_DISABLED) != 0); WIN_ReleasePtr( wndPtr ); if (enable && retvalue) { WIN_SetStyle( hwnd, style & ~WS_DISABLED ); SendMessageA( hwnd, WM_ENABLE, TRUE, 0 ); } else if (!enable && !retvalue) { HWND capture_wnd; SendMessageA( hwnd, WM_CANCELMODE, 0, 0); WIN_SetStyle( hwnd, style | WS_DISABLED ); if (hwnd == GetFocus()) SetFocus( 0 ); /* A disabled window can't have the focus */ capture_wnd = GetCapture(); if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd)) ReleaseCapture(); /* A disabled window can't capture the mouse */ SendMessageA( hwnd, WM_ENABLE, FALSE, 0 ); } return retvalue; } /*********************************************************************** * IsWindowEnabled (USER32.@) */ BOOL WINAPI IsWindowEnabled(HWND hWnd) { return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED); } /*********************************************************************** * IsWindowUnicode (USER32.@) */ BOOL WINAPI IsWindowUnicode( HWND hwnd ) { WND * wndPtr; BOOL retvalue; if (!(wndPtr = WIN_FindWndPtr(hwnd))) return FALSE; retvalue = (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W); WIN_ReleaseWndPtr(wndPtr); return retvalue; } /********************************************************************** * GetWindowWord (USER32.@) */ WORD WINAPI GetWindowWord( HWND hwnd, INT offset ) { if (offset >= 0) { WORD retvalue = 0; WND *wndPtr = WIN_GetPtr( hwnd ); if (!wndPtr) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return 0; } if (wndPtr == WND_OTHER_PROCESS) { SERVER_START_REQ( set_window_info ) { req->handle = hwnd; req->flags = 0; /* don't set anything, just retrieve */ req->extra_offset = offset; req->extra_size = sizeof(retvalue); if (!wine_server_call_err( req )) memcpy( &retvalue, &reply->old_extra_value, sizeof(retvalue) ); } SERVER_END_REQ; return retvalue; } if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD))) { WARN("Invalid offset %d\n", offset ); SetLastError( ERROR_INVALID_INDEX ); } else memcpy( &retvalue, (char *)wndPtr->wExtra + offset, sizeof(retvalue) ); WIN_ReleasePtr( wndPtr ); return retvalue; } switch(offset) { case GWLP_HWNDPARENT: return GetWindowLongPtrW( hwnd, offset ); case GWLP_ID: case GWLP_HINSTANCE: { LONG_PTR ret = GetWindowLongPtrW( hwnd, offset ); if (HIWORD(ret)) WARN("%d: discards high bits of 0x%08lx!\n", offset, ret ); return LOWORD(ret); } default: WARN("Invalid offset %d\n", offset ); return 0; } } /********************************************************************** * SetWindowWord (USER32.@) */ WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval ) { WORD retval = 0; WND * wndPtr; switch(offset) { case GWLP_ID: case GWLP_HINSTANCE: case GWLP_HWNDPARENT: return SetWindowLongPtrW( hwnd, offset, (ULONG_PTR)newval ); default: if (offset < 0) { WARN("Invalid offset %d\n", offset ); SetLastError( ERROR_INVALID_INDEX ); return 0; } } wndPtr = WIN_GetPtr( hwnd ); if (wndPtr == WND_OTHER_PROCESS) { if (IsWindow(hwnd)) FIXME( "set %d <- %x not supported yet on other process window %p\n", offset, newval, hwnd ); wndPtr = NULL; } if (!wndPtr) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return 0; } if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD))) { WARN("Invalid offset %d\n", offset ); WIN_ReleasePtr(wndPtr); SetLastError( ERROR_INVALID_INDEX ); return 0; } SERVER_START_REQ( set_window_info ) { req->handle = hwnd; req->flags = SET_WIN_EXTRA; req->extra_offset = offset; req->extra_size = sizeof(newval); memcpy( &req->extra_value, &newval, sizeof(newval) ); if (!wine_server_call_err( req )) { void *ptr = (char *)wndPtr->wExtra + offset; memcpy( &retval, ptr, sizeof(retval) ); memcpy( ptr, &newval, sizeof(newval) ); } } SERVER_END_REQ; WIN_ReleasePtr( wndPtr ); return retval; } /********************************************************************** * WIN_GetWindowLong * * Helper function for GetWindowLong(). */ static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type ) { LONG_PTR retvalue = 0; WND *wndPtr; if (offset == GWLP_HWNDPARENT) { HWND parent = GetAncestor( hwnd, GA_PARENT ); if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER ); return (ULONG_PTR)parent; } if (!(wndPtr = WIN_GetPtr( hwnd ))) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return 0; } if (wndPtr == WND_OTHER_PROCESS) { if (offset == GWLP_WNDPROC) { SetLastError( ERROR_ACCESS_DENIED ); return 0; } SERVER_START_REQ( set_window_info ) { req->handle = hwnd; req->flags = 0; /* don't set anything, just retrieve */ req->extra_offset = (offset >= 0) ? offset : -1; req->extra_size = (offset >= 0) ? sizeof(retvalue) : 0; if (!wine_server_call_err( req )) { switch(offset) { case GWL_STYLE: retvalue = reply->old_style; break; case GWL_EXSTYLE: retvalue = reply->old_ex_style; break; case GWLP_ID: retvalue = reply->old_id; break; case GWLP_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break; case GWLP_USERDATA: retvalue = (ULONG_PTR)reply->old_user_data; break; default: if (offset >= 0) retvalue = reply->old_extra_value; else SetLastError( ERROR_INVALID_INDEX ); break; } } } SERVER_END_REQ; return retvalue; } /* now we have a valid wndPtr */ if (offset >= 0) { if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG))) { /* * Some programs try to access last element from 16 bit * code using illegal offset value. Hopefully this is * what those programs really expect. */ if (type == WIN_PROC_16 && wndPtr->cbWndExtra >= 4 && offset == wndPtr->cbWndExtra - sizeof(WORD)) { INT offset2 = wndPtr->cbWndExtra - sizeof(LONG); ERR( "- replaced invalid offset %d with %d\n", offset, offset2 ); retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset2); WIN_ReleasePtr( wndPtr ); return retvalue; } WARN("Invalid offset %d\n", offset ); WIN_ReleasePtr( wndPtr ); SetLastError( ERROR_INVALID_INDEX ); return 0; } retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset); /* Special case for dialog window procedure */ if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG)) retvalue = (LONG)WINPROC_GetProc( (WNDPROC)retvalue, type ); WIN_ReleasePtr( wndPtr ); return retvalue; } switch(offset) { case GWLP_USERDATA: retvalue = wndPtr->userdata; break; case GWL_STYLE: retvalue = wndPtr->dwStyle; break; case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break; case GWLP_ID: retvalue = (ULONG_PTR)wndPtr->wIDmenu; break; case GWLP_WNDPROC: retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, type ); break; case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break; default: WARN("Unknown offset %d\n", offset ); SetLastError( ERROR_INVALID_INDEX ); break; } WIN_ReleasePtr(wndPtr); return retvalue; } /********************************************************************** * WIN_SetWindowLong * * Helper function for SetWindowLong(). * * 0 is the failure code. However, in the case of failure SetLastError * must be set to distinguish between a 0 return value and a failure. */ static LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, LONG_PTR newval, WINDOWPROCTYPE type ) { STYLESTRUCT style; BOOL ok; LONG retval = 0; WND *wndPtr; TRACE( "%p %d %lx %x\n", hwnd, offset, newval, type ); if (is_broadcast(hwnd)) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (!WIN_IsCurrentProcess( hwnd )) { if (offset == GWLP_WNDPROC) { SetLastError( ERROR_ACCESS_DENIED ); return 0; } return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, offset, newval ); } wndPtr = WIN_GetPtr( hwnd ); if (wndPtr->hwndSelf == GetDesktopWindow()) { /* can't change anything on the desktop window */ WIN_ReleasePtr( wndPtr ); SetLastError( ERROR_ACCESS_DENIED ); return 0; } /* first some special cases */ switch( offset ) { case GWL_STYLE: case GWL_EXSTYLE: style.styleOld = offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle; style.styleNew = newval; WIN_ReleasePtr( wndPtr ); SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style ); if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0; newval = style.styleNew; break; case GWLP_HWNDPARENT: if (wndPtr->parent == GetDesktopWindow()) { WIN_ReleasePtr( wndPtr ); return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval ); } else { WIN_ReleasePtr( wndPtr ); return (ULONG_PTR)SetParent( hwnd, (HWND)newval ); } case GWLP_WNDPROC: retval = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, type ); wndPtr->winproc = WINPROC_AllocProc( (WNDPROC)newval, type ); WIN_ReleasePtr( wndPtr ); return retval; case GWLP_ID: case GWLP_HINSTANCE: case GWLP_USERDATA: break; case DWLP_DLGPROC: if ((wndPtr->cbWndExtra + sizeof(LONG) >= DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG)) { WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC); retval = (ULONG_PTR)WINPROC_GetProc( *ptr, type ); *ptr = WINPROC_AllocProc( (WNDPROC)newval, type ); WIN_ReleasePtr( wndPtr ); return retval; } /* fall through */ default: if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - sizeof(LONG))) { WARN("Invalid offset %d\n", offset ); WIN_ReleasePtr( wndPtr ); SetLastError( ERROR_INVALID_INDEX ); return 0; } else { LONG_PTR *ptr = (LONG_PTR *)((char *)wndPtr->wExtra + offset); if (*ptr == newval) /* already set to the same value */ { WIN_ReleasePtr( wndPtr ); return newval; } } break; } SERVER_START_REQ( set_window_info ) { req->handle = hwnd; req->extra_offset = -1; switch(offset) { case GWL_STYLE: req->flags = SET_WIN_STYLE; req->style = newval; break; case GWL_EXSTYLE: req->flags = SET_WIN_EXSTYLE; req->ex_style = newval; break; case GWLP_ID: req->flags = SET_WIN_ID; req->id = newval; break; case GWLP_HINSTANCE: req->flags = SET_WIN_INSTANCE; req->instance = (void *)newval; break; case GWLP_USERDATA: req->flags = SET_WIN_USERDATA; req->user_data = (void *)newval; break; default: req->flags = SET_WIN_EXTRA; req->extra_offset = offset; req->extra_size = sizeof(newval); memcpy( &req->extra_value, &newval, sizeof(newval) ); } if ((ok = !wine_server_call_err( req ))) { switch(offset) { case GWL_STYLE: wndPtr->dwStyle = newval; retval = reply->old_style; break; case GWL_EXSTYLE: wndPtr->dwExStyle = newval; retval = reply->old_ex_style; break; case GWLP_ID: wndPtr->wIDmenu = newval; retval = reply->old_id; break; case GWLP_HINSTANCE: wndPtr->hInstance = (HINSTANCE)newval; retval = (ULONG_PTR)reply->old_instance; break; case GWLP_USERDATA: wndPtr->userdata = newval; retval = (ULONG_PTR)reply->old_user_data; break; default: { void *ptr = (char *)wndPtr->wExtra + offset; memcpy( &retval, ptr, sizeof(retval) ); memcpy( ptr, &newval, sizeof(newval) ); } break; } } } SERVER_END_REQ; WIN_ReleasePtr( wndPtr ); if (!ok) return 0; if (offset == GWL_STYLE && USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, retval ); if (offset == GWL_STYLE || offset == GWL_EXSTYLE) SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style ); return retval; } /********************************************************************** * GetWindowLong (USER.135) */ LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset ) { return WIN_GetWindowLong( WIN_Handle32(hwnd), offset, WIN_PROC_16 ); } /********************************************************************** * GetWindowLongA (USER32.@) */ LONG WINAPI GetWindowLongA( HWND hwnd, INT offset ) { return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A ); } /********************************************************************** * GetWindowLongW (USER32.@) */ LONG WINAPI GetWindowLongW( HWND hwnd, INT offset ) { return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W ); } /********************************************************************** * SetWindowLong (USER.136) */ LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval ) { return WIN_SetWindowLong( WIN_Handle32(hwnd), offset, newval, WIN_PROC_16 ); } /********************************************************************** * SetWindowLongA (USER32.@) */ LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval ) { return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A ); } /********************************************************************** * SetWindowLongW (USER32.@) Set window attribute * * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long) * value in a window's extra memory. * * The _hwnd_ parameter specifies the window. is the handle to a * window that has extra memory. The _newval_ parameter contains the * new attribute or extra memory value. If positive, the _offset_ * parameter is the byte-addressed location in the window's extra * memory to set. If negative, _offset_ specifies the window * attribute to set, and should be one of the following values: * * GWL_EXSTYLE The window's extended window style * * GWL_STYLE The window's window style. * * GWLP_WNDPROC Pointer to the window's window procedure. * * GWLP_HINSTANCE The window's pplication instance handle. * * GWLP_ID The window's identifier. * * GWLP_USERDATA The window's user-specified data. * * If the window is a dialog box, the _offset_ parameter can be one of * the following values: * * DWLP_DLGPROC The address of the window's dialog box procedure. * * DWLP_MSGRESULT The return value of a message * that the dialog box procedure processed. * * DWLP_USER Application specific information. * * RETURNS * * If successful, returns the previous value located at _offset_. Otherwise, * returns 0. * * NOTES * * Extra memory for a window class is specified by a nonzero cbWndExtra * parameter of the WNDCLASS structure passed to RegisterClass() at the * time of class creation. * * Using GWL_WNDPROC to set a new window procedure effectively creates * a window subclass. Use CallWindowProc() in the new windows procedure * to pass messages to the superclass's window procedure. * * The user data is reserved for use by the application which created * the window. * * Do not use GWL_STYLE to change the window's WS_DISABLED style; * instead, call the EnableWindow() function to change the window's * disabled state. * * Do not use GWL_HWNDPARENT to reset the window's parent, use * SetParent() instead. * * Win95: * When offset is GWL_STYLE and the calling app's ver is 4.0, * it sends WM_STYLECHANGING before changing the settings * and WM_STYLECHANGED afterwards. * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST. */ LONG WINAPI SetWindowLongW( HWND hwnd, /* [in] window to alter */ INT offset, /* [in] offset, in bytes, of location to alter */ LONG newval /* [in] new value of location */ ) { return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W ); } /******************************************************************* * GetWindowTextA (USER32.@) */ INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount ) { WCHAR *buffer; if (WIN_IsCurrentProcess( hwnd )) return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString ); /* when window belongs to other process, don't send a message */ if (nMaxCount <= 0) return 0; if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0; get_server_window_text( hwnd, buffer, nMaxCount ); if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL )) lpString[nMaxCount-1] = 0; HeapFree( GetProcessHeap(), 0, buffer ); return strlen(lpString); } /******************************************************************* * InternalGetWindowText (USER32.@) */ INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount ) { WND *win; if (nMaxCount <= 0) return 0; if (!(win = WIN_GetPtr( hwnd ))) return 0; if (win != WND_OTHER_PROCESS) { if (win->text) lstrcpynW( lpString, win->text, nMaxCount ); else lpString[0] = 0; WIN_ReleasePtr( win ); } else { get_server_window_text( hwnd, lpString, nMaxCount ); } return strlenW(lpString); } /******************************************************************* * GetWindowTextW (USER32.@) */ INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount ) { if (WIN_IsCurrentProcess( hwnd )) return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString ); /* when window belongs to other process, don't send a message */ if (nMaxCount <= 0) return 0; get_server_window_text( hwnd, lpString, nMaxCount ); return strlenW(lpString); } /******************************************************************* * SetWindowText (USER32.@) * SetWindowTextA (USER32.@) */ BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString ) { if (is_broadcast(hwnd)) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (!WIN_IsCurrentProcess( hwnd )) { FIXME( "cannot set text %s of other process window %p\n", debugstr_a(lpString), hwnd ); SetLastError( ERROR_ACCESS_DENIED ); return FALSE; } return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * SetWindowTextW (USER32.@) */ BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString ) { if (is_broadcast(hwnd)) { SetLastError( ERROR_INVALID_PARAMETER ); return FALSE; } if (!WIN_IsCurrentProcess( hwnd )) { FIXME( "cannot set text %s of other process window %p\n", debugstr_w(lpString), hwnd ); SetLastError( ERROR_ACCESS_DENIED ); return FALSE; } return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * GetWindowTextLengthA (USER32.@) */ INT WINAPI GetWindowTextLengthA( HWND hwnd ) { return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 ); } /******************************************************************* * GetWindowTextLengthW (USER32.@) */ INT WINAPI GetWindowTextLengthW( HWND hwnd ) { return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 ); } /******************************************************************* * IsWindow (USER32.@) */ BOOL WINAPI IsWindow( HWND hwnd ) { WND *ptr; BOOL ret; if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE; if (ptr != WND_OTHER_PROCESS) { WIN_ReleasePtr( ptr ); return TRUE; } /* check other processes */ SERVER_START_REQ( get_window_info ) { req->handle = hwnd; ret = !wine_server_call_err( req ); } SERVER_END_REQ; return ret; } /*********************************************************************** * GetWindowThreadProcessId (USER32.@) */ DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process ) { WND *ptr; DWORD tid = 0; if (!(ptr = WIN_GetPtr( hwnd ))) { SetLastError( ERROR_INVALID_WINDOW_HANDLE); return 0; } if (ptr != WND_OTHER_PROCESS) { /* got a valid window */ tid = ptr->tid; if (process) *process = GetCurrentProcessId(); WIN_ReleasePtr( ptr ); return tid; } /* check other processes */ SERVER_START_REQ( get_window_info ) { req->handle = hwnd; if (!wine_server_call_err( req )) { tid = (DWORD)reply->tid; if (process) *process = (DWORD)reply->pid; } } SERVER_END_REQ; return tid; } /***************************************************************** * GetParent (USER32.@) */ HWND WINAPI GetParent( HWND hwnd ) { WND *wndPtr; HWND retvalue = 0; if (!(wndPtr = WIN_GetPtr( hwnd ))) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return 0; } if (wndPtr == WND_OTHER_PROCESS) { LONG style = GetWindowLongW( hwnd, GWL_STYLE ); if (style & (WS_POPUP | WS_CHILD)) { SERVER_START_REQ( get_window_tree ) { req->handle = hwnd; if (!wine_server_call_err( req )) { if (style & WS_POPUP) retvalue = reply->owner; else if (style & WS_CHILD) retvalue = reply->parent; } } SERVER_END_REQ; } } else { if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner; else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent; WIN_ReleasePtr( wndPtr ); } return retvalue; } /***************************************************************** * GetAncestor (USER32.@) */ HWND WINAPI GetAncestor( HWND hwnd, UINT type ) { WND *win; HWND *list, ret = 0; switch(type) { case GA_PARENT: if (!(win = WIN_GetPtr( hwnd ))) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return 0; } if (win != WND_OTHER_PROCESS) { ret = win->parent; WIN_ReleasePtr( win ); } else /* need to query the server */ { SERVER_START_REQ( get_window_tree ) { req->handle = hwnd; if (!wine_server_call_err( req )) ret = reply->parent; } SERVER_END_REQ; } break; case GA_ROOT: if (!(list = WIN_ListParents( hwnd ))) return 0; if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */ else { int count = 2; while (list[count]) count++; ret = list[count - 2]; /* get the one before the desktop */ } HeapFree( GetProcessHeap(), 0, list ); break; case GA_ROOTOWNER: if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0; for (;;) { HWND parent = GetParent( ret ); if (!parent) break; ret = parent; } break; } return ret; } /***************************************************************** * SetParent (USER32.@) */ HWND WINAPI SetParent( HWND hwnd, HWND parent ) { WND *wndPtr; HWND retvalue, full_handle; BOOL was_visible; if (is_broadcast(hwnd) || is_broadcast(parent)) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } if (!parent) parent = GetDesktopWindow(); else parent = WIN_GetFullHandle( parent ); if (!IsWindow( parent )) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return 0; } if (!(full_handle = WIN_IsCurrentThread( hwnd ))) return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 ); hwnd = full_handle; if (USER_Driver.pSetParent) return USER_Driver.pSetParent( hwnd, parent ); /* Windows hides the window first, then shows it again * including the WM_SHOWWINDOW messages and all */ was_visible = ShowWindow( hwnd, SW_HIDE ); if (!IsWindow( parent )) return 0; if (!(wndPtr = WIN_GetPtr(hwnd)) || wndPtr == WND_OTHER_PROCESS) return 0; retvalue = wndPtr->parent; /* old parent */ if (parent != retvalue) { WIN_LinkWindow( hwnd, parent, HWND_TOP ); if (parent != GetDesktopWindow()) /* a child window */ { if (!(wndPtr->dwStyle & WS_CHILD)) { HMENU menu = (HMENU)SetWindowLongPtrW( hwnd, GWLP_ID, 0 ); if (menu) DestroyMenu( menu ); } } } WIN_ReleasePtr( wndPtr ); /* SetParent additionally needs to make hwnd the topmost window in the x-order and send the expected WM_WINDOWPOSCHANGING and WM_WINDOWPOSCHANGED notification messages. */ SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) ); /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */ return retvalue; } /******************************************************************* * IsChild (USER32.@) */ BOOL WINAPI IsChild( HWND parent, HWND child ) { HWND *list = WIN_ListParents( child ); int i; BOOL ret; if (!list) return FALSE; parent = WIN_GetFullHandle( parent ); for (i = 0; list[i]; i++) if (list[i] == parent) break; ret = (list[i] != 0); HeapFree( GetProcessHeap(), 0, list ); return ret; } /*********************************************************************** * IsWindowVisible (USER32.@) */ BOOL WINAPI IsWindowVisible( HWND hwnd ) { HWND *list; BOOL retval; int i; if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE; if (!(list = WIN_ListParents( hwnd ))) return TRUE; for (i = 0; list[i]; i++) if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break; retval = !list[i]; HeapFree( GetProcessHeap(), 0, list ); return retval; } /*********************************************************************** * WIN_IsWindowDrawable * * hwnd is drawable when it is visible, all parents are not * minimized, and it is itself not minimized unless we are * trying to draw its default class icon. */ BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon ) { HWND *list; BOOL retval; int i; LONG style = GetWindowLongW( hwnd, GWL_STYLE ); if (!(style & WS_VISIBLE)) return FALSE; if ((style & WS_MINIMIZE) && icon && GetClassLongA( hwnd, GCL_HICON )) return FALSE; if (!(list = WIN_ListParents( hwnd ))) return TRUE; for (i = 0; list[i]; i++) if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE) break; retval = !list[i]; HeapFree( GetProcessHeap(), 0, list ); return retval; } /******************************************************************* * GetTopWindow (USER32.@) */ HWND WINAPI GetTopWindow( HWND hwnd ) { if (!hwnd) hwnd = GetDesktopWindow(); return GetWindow( hwnd, GW_CHILD ); } /******************************************************************* * GetWindow (USER32.@) */ HWND WINAPI GetWindow( HWND hwnd, UINT rel ) { HWND retval = 0; if (rel == GW_OWNER) /* this one may be available locally */ { WND *wndPtr = WIN_GetPtr( hwnd ); if (!wndPtr) { SetLastError( ERROR_INVALID_HANDLE ); return 0; } if (wndPtr != WND_OTHER_PROCESS) { retval = wndPtr->owner; WIN_ReleasePtr( wndPtr ); return retval; } /* else fall through to server call */ } SERVER_START_REQ( get_window_tree ) { req->handle = hwnd; if (!wine_server_call_err( req )) { switch(rel) { case GW_HWNDFIRST: retval = reply->first_sibling; break; case GW_HWNDLAST: retval = reply->last_sibling; break; case GW_HWNDNEXT: retval = reply->next_sibling; break; case GW_HWNDPREV: retval = reply->prev_sibling; break; case GW_OWNER: retval = reply->owner; break; case GW_CHILD: retval = reply->first_child; break; } } } SERVER_END_REQ; return retval; } /*********************************************************************** * WIN_InternalShowOwnedPopups * * Internal version of ShowOwnedPopups; Wine functions should use this * to avoid interfering with application calls to ShowOwnedPopups * and to make sure the application can't prevent showing/hiding. * * Set unmanagedOnly to TRUE to show/hide unmanaged windows only. * */ BOOL WIN_InternalShowOwnedPopups( HWND owner, BOOL fShow, BOOL unmanagedOnly ) { int count = 0; WND *pWnd; HWND *win_array = WIN_ListChildren( GetDesktopWindow() ); if (!win_array) return TRUE; /* * Show windows Lowest first, Highest last to preserve Z-Order */ while (win_array[count]) count++; while (--count >= 0) { if (GetWindow( win_array[count], GW_OWNER ) != owner) continue; if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue; if (pWnd->dwStyle & WS_POPUP) { if (fShow) { /* check in window was flagged for showing in previous WIN_InternalShowOwnedPopups call */ if (pWnd->flags & WIN_NEEDS_INTERNALSOP) { /* * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages */ ShowWindow(pWnd->hwndSelf,SW_SHOW); pWnd->flags &= ~WIN_NEEDS_INTERNALSOP; /* remove the flag */ } } else { if ( IsWindowVisible(pWnd->hwndSelf) && /* hide only if window is visible */ !( pWnd->flags & WIN_NEEDS_INTERNALSOP ) && /* don't hide if previous call already did it */ !( unmanagedOnly && (pWnd->dwExStyle & WS_EX_MANAGED) ) ) /* don't hide managed windows if unmanagedOnly is TRUE */ { /* * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages */ ShowWindow(pWnd->hwndSelf,SW_HIDE); /* flag the window for showing on next WIN_InternalShowOwnedPopups call */ pWnd->flags |= WIN_NEEDS_INTERNALSOP; } } } WIN_ReleaseWndPtr( pWnd ); } HeapFree( GetProcessHeap(), 0, win_array ); return TRUE; } /******************************************************************* * ShowOwnedPopups (USER32.@) */ BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow ) { int count = 0; WND *pWnd; HWND *win_array = WIN_ListChildren( GetDesktopWindow() ); if (!win_array) return TRUE; while (win_array[count]) count++; while (--count >= 0) { if (GetWindow( win_array[count], GW_OWNER ) != owner) continue; if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue; if (pWnd->dwStyle & WS_POPUP) { if (fShow) { if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP) { /* In Windows, ShowOwnedPopups(TRUE) generates * WM_SHOWWINDOW messages with SW_PARENTOPENING, * regardless of the state of the owner */ SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_SHOW, SW_PARENTOPENING); pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP; } } else { if (IsWindowVisible(pWnd->hwndSelf)) { /* In Windows, ShowOwnedPopups(FALSE) generates * WM_SHOWWINDOW messages with SW_PARENTCLOSING, * regardless of the state of the owner */ SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING); pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP; } } } WIN_ReleaseWndPtr( pWnd ); } HeapFree( GetProcessHeap(), 0, win_array ); return TRUE; } /******************************************************************* * GetLastActivePopup (USER32.@) */ HWND WINAPI GetLastActivePopup( HWND hwnd ) { HWND retval = hwnd; SERVER_START_REQ( get_window_info ) { req->handle = hwnd; if (!wine_server_call_err( req )) retval = reply->last_active; } SERVER_END_REQ; return retval; } /******************************************************************* * WIN_ListParents * * Build an array of all parents of a given window, starting with * the immediate parent. The array must be freed with HeapFree. * Returns NULL if window is a top-level window. */ HWND *WIN_ListParents( HWND hwnd ) { WND *win; HWND current, *list; int pos = 0, size = 16, count = 0; if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL; current = hwnd; for (;;) { if (!(win = WIN_GetPtr( current ))) goto empty; if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */ list[pos] = win->parent; WIN_ReleasePtr( win ); if (!(current = list[pos])) { if (!pos) goto empty; return list; } if (++pos == size - 1) { /* need to grow the list */ HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) ); if (!new_list) goto empty; list = new_list; size += 16; } } /* at least one parent belongs to another process, have to query the server */ for (;;) { count = 0; SERVER_START_REQ( get_window_parents ) { req->handle = hwnd; wine_server_set_reply( req, list, (size-1) * sizeof(HWND) ); if (!wine_server_call( req )) count = reply->count; } SERVER_END_REQ; if (!count) goto empty; if (size > count) { list[count] = 0; return list; } HeapFree( GetProcessHeap(), 0, list ); size = count + 1; if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL; } empty: HeapFree( GetProcessHeap(), 0, list ); return NULL; } /******************************************************************* * WIN_ListChildren * * Build an array of the children of a given window. The array must be * freed with HeapFree. Returns NULL when no windows are found. */ HWND *WIN_ListChildren( HWND hwnd ) { return list_window_children( hwnd, 0, 0 ); } /******************************************************************* * EnumWindows (USER32.@) */ BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam ) { HWND *list; BOOL ret = TRUE; int i, iWndsLocks; /* We have to build a list of all windows first, to avoid */ /* unpleasant side-effects, for instance if the callback */ /* function changes the Z-order of the windows. */ if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE; /* Now call the callback function for every window */ iWndsLocks = WIN_SuspendWndsLock(); for (i = 0; list[i]; i++) { /* Make sure that the window still exists */ if (!IsWindow( list[i] )) continue; if (!(ret = lpEnumFunc( list[i], lParam ))) break; } WIN_RestoreWndsLock(iWndsLocks); HeapFree( GetProcessHeap(), 0, list ); return ret; } /********************************************************************** * EnumThreadWindows (USER32.@) */ BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam ) { HWND *list; int i, iWndsLocks; if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE; /* Now call the callback function for every window */ iWndsLocks = WIN_SuspendWndsLock(); for (i = 0; list[i]; i++) if (!func( list[i], lParam )) break; WIN_RestoreWndsLock(iWndsLocks); HeapFree( GetProcessHeap(), 0, list ); return TRUE; } /********************************************************************** * WIN_EnumChildWindows * * Helper function for EnumChildWindows(). */ static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam ) { HWND *childList; BOOL ret = FALSE; for ( ; *list; list++) { /* Make sure that the window still exists */ if (!IsWindow( *list )) continue; /* skip owned windows */ if (GetWindow( *list, GW_OWNER )) continue; /* Build children list first */ childList = WIN_ListChildren( *list ); ret = func( *list, lParam ); if (childList) { if (ret) ret = WIN_EnumChildWindows( childList, func, lParam ); HeapFree( GetProcessHeap(), 0, childList ); } if (!ret) return FALSE; } return TRUE; } /********************************************************************** * EnumChildWindows (USER32.@) */ BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam ) { HWND *list; int iWndsLocks; if (!(list = WIN_ListChildren( parent ))) return FALSE; iWndsLocks = WIN_SuspendWndsLock(); WIN_EnumChildWindows( list, func, lParam ); WIN_RestoreWndsLock(iWndsLocks); HeapFree( GetProcessHeap(), 0, list ); return TRUE; } /******************************************************************* * AnyPopup (USER.52) */ BOOL16 WINAPI AnyPopup16(void) { return AnyPopup(); } /******************************************************************* * AnyPopup (USER32.@) */ BOOL WINAPI AnyPopup(void) { int i; BOOL retvalue; HWND *list = WIN_ListChildren( GetDesktopWindow() ); if (!list) return FALSE; for (i = 0; list[i]; i++) { if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break; } retvalue = (list[i] != 0); HeapFree( GetProcessHeap(), 0, list ); return retvalue; } /******************************************************************* * FlashWindow (USER32.@) */ BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert ) { WND *wndPtr = WIN_FindWndPtr(hWnd); TRACE("%p\n", hWnd); if (!wndPtr) return FALSE; hWnd = wndPtr->hwndSelf; /* make it a full handle */ if (wndPtr->dwStyle & WS_MINIMIZE) { if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED)) { HDC hDC = GetDC(hWnd); if (!SendMessageW( hWnd, WM_ERASEBKGND, (WPARAM)hDC, 0 )) wndPtr->flags |= WIN_NEEDS_ERASEBKGND; ReleaseDC( hWnd, hDC ); wndPtr->flags |= WIN_NCACTIVATED; } else { RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME ); wndPtr->flags &= ~WIN_NCACTIVATED; } WIN_ReleaseWndPtr(wndPtr); return TRUE; } else { WPARAM16 wparam; if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED); else wparam = (hWnd == GetForegroundWindow()); WIN_ReleaseWndPtr(wndPtr); SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 ); return wparam; } } /******************************************************************* * FlashWindowEx (USER32.@) */ BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi ) { FIXME("%p\n", pfwi); return TRUE; } /******************************************************************* * GetWindowContextHelpId (USER32.@) */ DWORD WINAPI GetWindowContextHelpId( HWND hwnd ) { DWORD retval; WND *wnd = WIN_FindWndPtr( hwnd ); if (!wnd) return 0; retval = wnd->helpContext; WIN_ReleaseWndPtr(wnd); return retval; } /******************************************************************* * SetWindowContextHelpId (USER32.@) */ BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id ) { WND *wnd = WIN_FindWndPtr( hwnd ); if (!wnd) return FALSE; wnd->helpContext = id; WIN_ReleaseWndPtr(wnd); return TRUE; } /******************************************************************* * DragDetect (USER32.@) */ BOOL WINAPI DragDetect( HWND hWnd, POINT pt ) { MSG msg; RECT rect; rect.left = pt.x - wDragWidth; rect.right = pt.x + wDragWidth; rect.top = pt.y - wDragHeight; rect.bottom = pt.y + wDragHeight; SetCapture(hWnd); while(1) { while(PeekMessageA(&msg ,0 ,WM_MOUSEFIRST ,WM_MOUSELAST ,PM_REMOVE)) { if( msg.message == WM_LBUTTONUP ) { ReleaseCapture(); return 0; } if( msg.message == WM_MOUSEMOVE ) { POINT tmp; tmp.x = LOWORD(msg.lParam); tmp.y = HIWORD(msg.lParam); if( !PtInRect( &rect, tmp )) { ReleaseCapture(); return 1; } } } WaitMessage(); } return 0; } /****************************************************************************** * GetWindowModuleFileNameA (USER32.@) */ UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax) { FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n", hwnd, lpszFileName, cchFileNameMax); return 0; } /****************************************************************************** * GetWindowModuleFileNameW (USER32.@) */ UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax) { FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n", hwnd, lpszFileName, cchFileNameMax); return 0; } /****************************************************************************** * GetWindowInfo (USER32.@) * * Note: tests show that Windows doesn't check cbSize of the structure. */ BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi) { if (!pwi) return FALSE; if (!IsWindow(hwnd)) return FALSE; GetWindowRect(hwnd, &pwi->rcWindow); GetClientRect(hwnd, &pwi->rcClient); /* translate to screen coordinates */ MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2); pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE); pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE); pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0); pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left; pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom; pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM ); pwi->wCreatorVersion = 0x0400; return TRUE; } /****************************************************************************** * SwitchDesktop (USER32.@) * * NOTES: Sets the current input or interactive desktop. */ BOOL WINAPI SwitchDesktop( HDESK hDesktop) { FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop); return TRUE; }