/* * Window related functions * * Copyright 1993, 1994 Alexandre Julliard */ #include #include #include #include "windef.h" #include "wine/winbase16.h" #include "wine/winuser16.h" #include "wine/server.h" #include "wine/unicode.h" #include "win.h" #include "heap.h" #include "user.h" #include "dce.h" #include "controls.h" #include "cursoricon.h" #include "hook.h" #include "message.h" #include "queue.h" #include "task.h" #include "winpos.h" #include "winerror.h" #include "stackframe.h" #include "debugtools.h" DEFAULT_DEBUG_CHANNEL(win); DECLARE_DEBUG_CHANNEL(msg); #define NB_USER_HANDLES (LAST_USER_HANDLE - 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]; /* thread safeness */ extern SYSLEVEL USER_SysLevel; /* FIXME */ /*********************************************************************** * WIN_SuspendWndsLock * * Suspend the lock on WND structures. * Returns the number of locks suspended */ int WIN_SuspendWndsLock( void ) { int isuspendedLocks = _ConfirmSysLevel( &USER_SysLevel ); int count = isuspendedLocks; while ( count-- > 0 ) _LeaveSysLevel( &USER_SysLevel ); return isuspendedLocks; } /*********************************************************************** * WIN_RestoreWndsLock * * Restore the suspended locks on WND structures */ void WIN_RestoreWndsLock( int ipreviousLocks ) { while ( ipreviousLocks-- > 0 ) _EnterSysLevel( &USER_SysLevel ); } /*********************************************************************** * create_window_handle * * Create a window handle with the server. */ static WND *create_window_handle( HWND parent, HWND owner, ATOM atom, INT size ) { BOOL res; user_handle_t handle = 0; WORD index; WND *win = HeapAlloc( GetProcessHeap(), 0, size ); if (!win) return NULL; USER_Lock(); SERVER_START_REQ( create_window ) { req->parent = parent; req->owner = owner; req->atom = atom; if ((res = !SERVER_CALL_ERR())) handle = req->handle; } SERVER_END_REQ; if (!res) { USER_Unlock(); HeapFree( GetProcessHeap(), 0, win ); return NULL; } index = LOWORD(handle) - FIRST_USER_HANDLE; assert( index < NB_USER_HANDLES ); user_handles[index] = win; win->hwndSelf = handle; win->dwMagic = WND_MAGIC; win->irefCount = 1; return win; } /*********************************************************************** * free_window_handle * * Free a window handle. */ static WND *free_window_handle( HWND hwnd ) { WND *ptr; WORD index = LOWORD(hwnd) - FIRST_USER_HANDLE; if (index >= NB_USER_HANDLES) return NULL; USER_Lock(); if ((ptr = user_handles[index])) { SERVER_START_REQ( destroy_window ) { req->handle = hwnd; if (!SERVER_CALL_ERR()) 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 = NULL; SERVER_START_VAR_REQ( get_window_children, REQUEST_MAX_VAR_SIZE ) { req->parent = hwnd; req->atom = atom; req->tid = (void *)tid; if (!SERVER_CALL()) { user_handle_t *data = server_data_ptr(req); int i, count = server_data_size(req) / sizeof(*data); if (count && ((list = HeapAlloc( GetProcessHeap(), 0, (count + 1) * sizeof(HWND) )))) { for (i = 0; i < count; i++) list[i] = data[i]; list[i] = 0; } } } SERVER_END_VAR_REQ; return list; } /*********************************************************************** * WIN_GetWndPtr * * Return a pointer to the WND structure if local to the process, * or BAD_WND_PTR is handle is local but not valid. * If ret value is a valid pointer, the user lock is held. */ WND *WIN_GetWndPtr( HWND hwnd ) { WND * ptr; WORD index = LOWORD(hwnd) - FIRST_USER_HANDLE; if (index >= NB_USER_HANDLES) return BAD_WND_PTR; USER_Lock(); if ((ptr = user_handles[index])) { if (ptr->dwMagic == WND_MAGIC && (!HIWORD(hwnd) || hwnd == ptr->hwndSelf)) return ptr; ptr = BAD_WND_PTR; } USER_Unlock(); return ptr; } /*********************************************************************** * WIN_IsCurrentProcess * * Check whether a given window belongs to the current process. */ BOOL WIN_IsCurrentProcess( HWND hwnd ) { WND *ptr; if (!(ptr = WIN_GetWndPtr( hwnd )) || ptr == BAD_WND_PTR) return FALSE; USER_Unlock(); return TRUE; } /*********************************************************************** * WIN_IsCurrentThread * * Check whether a given window belongs to the current thread. */ BOOL WIN_IsCurrentThread( HWND hwnd ) { WND *ptr; BOOL ret = FALSE; if ((ptr = WIN_GetWndPtr( hwnd )) && ptr != BAD_WND_PTR) { ret = (ptr->tid == GetCurrentThreadId()); USER_Unlock(); } 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_GetWndPtr( hwnd ))) { if (ptr != BAD_WND_PTR) { hwnd = ptr->hwndSelf; USER_Unlock(); } } else /* may belong to another process */ { SERVER_START_REQ( get_window_info ) { req->handle = hwnd; if (!SERVER_CALL_ERR()) hwnd = req->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_GetWndPtr( hwnd ))) { if (ptr != BAD_WND_PTR) { /* increment destruction monitoring */ ptr->irefCount++; return ptr; } } else if (IsWindow( hwnd )) /* check other processes */ { ERR( "window %04x belongs to other process\n", hwnd ); /* DbgBreakPoint(); */ } SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return NULL; } /*********************************************************************** * WIN_LockWndPtr * * Use in case the wnd ptr is not initialized with WIN_FindWndPtr * but by initWndPtr; * Returns the locked initialisation pointer */ WND *WIN_LockWndPtr(WND *initWndPtr) { if(!initWndPtr) return 0; /* Lock all WND structures for thread safeness*/ USER_Lock(); /*and increment destruction monitoring*/ initWndPtr->irefCount++; return initWndPtr; } /*********************************************************************** * 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_UpdateWndPtr * * Updates the value of oldPtr to newPtr. */ void WIN_UpdateWndPtr(WND **oldPtr, WND *newPtr) { WND *tmpWnd = NULL; tmpWnd = WIN_LockWndPtr(newPtr); WIN_ReleaseWndPtr(*oldPtr); *oldPtr = tmpWnd; } /*********************************************************************** * 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 ) { BOOL ret; SERVER_START_REQ( link_window ) { req->handle = hwnd; req->parent = parent; req->previous = hwndInsertAfter; ret = !SERVER_CALL_ERR(); } SERVER_END_REQ; if (ret && parent) { WND *wndPtr = WIN_FindWndPtr( hwnd ); if (wndPtr) { wndPtr->parent = WIN_GetFullHandle(parent); WIN_ReleaseWndPtr( wndPtr ); } } } /*********************************************************************** * find_child_to_repaint * * Find a window that needs repaint among the children of the specified window. */ static HWND find_child_to_repaint( HWND parent ) { int i; HWND ret = 0; HWND *list; if (!parent) parent = GetDesktopWindow(); if (!(list = list_window_children( parent, 0, 0 ))) return 0; for (i = 0; list[i] && !ret; i++) { WND *win = WIN_GetWndPtr( list[i] ); if (win == BAD_WND_PTR) continue; /* ignore it */ if (!win) { /* doesn't belong to this process, but check children */ ret = find_child_to_repaint( list[i] ); continue; } if (!(win->dwStyle & WS_VISIBLE)) { USER_Unlock(); continue; } if ((win->tid != GetCurrentThreadId()) || (!win->hrgnUpdate && !(win->flags & WIN_INTERNAL_PAINT))) { /* does not need repaint, check children */ USER_Unlock(); ret = find_child_to_repaint( list[i] ); continue; } /* now we have something */ ret = list[i]; if (!(win->dwExStyle & WS_EX_TRANSPARENT)) { /* not transparent, we can repaint it */ USER_Unlock(); break; } USER_Unlock(); /* transparent window, look for non-transparent sibling to paint first */ for (i++; list[i]; i++) { if (!(win = WIN_GetWndPtr( list[i] ))) continue; if (win == BAD_WND_PTR) continue; if (!(win->dwStyle & WS_VISIBLE)) { USER_Unlock(); continue; } if (!(win->dwExStyle & WS_EX_TRANSPARENT) && (win->hrgnUpdate || (win->flags & WIN_INTERNAL_PAINT))) { ret = list[i]; USER_Unlock(); break; } USER_Unlock(); } } HeapFree( GetProcessHeap(), 0, list ); return ret; } /*********************************************************************** * WIN_FindWinToRepaint * * Find a window that needs repaint. */ HWND WIN_FindWinToRepaint( HWND hwnd ) { /* Note: the desktop window never gets WM_PAINT messages * The real reason why is because Windows DesktopWndProc * does ValidateRgn inside WM_ERASEBKGND handler. */ if (hwnd == GetDesktopWindow()) hwnd = 0; if (hwnd) { /* check the window itself first */ WND *win = WIN_FindWndPtr( hwnd ); if (!win) return 0; if ((win->dwStyle & WS_VISIBLE) && (win->hrgnUpdate || (win->flags & WIN_INTERNAL_PAINT))) { WIN_ReleaseWndPtr( win ); return hwnd; } WIN_ReleaseWndPtr( win ); } /* now check its children */ return find_child_to_repaint( hwnd ); } /*********************************************************************** * WIN_DestroyWindow * * Destroy storage associated to a window. "Internals" p.358 */ static void WIN_DestroyWindow( HWND hwnd ) { WND *wndPtr; HWND *list; TRACE("%04x\n", hwnd ); /* free child windows */ if ((list = WIN_ListChildren( hwnd ))) { int i; for (i = 0; list[i]; i++) WIN_DestroyWindow( list[i] ); 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 ); PROPERTY_RemoveWindowProps( hwnd ); if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return; wndPtr->hmemTaskQ = 0; if (!(wndPtr->dwStyle & WS_CHILD)) if (wndPtr->wIDmenu) { DestroyMenu( wndPtr->wIDmenu ); wndPtr->wIDmenu = 0; } if (wndPtr->hSysMenu) { DestroyMenu( wndPtr->hSysMenu ); wndPtr->hSysMenu = 0; } USER_Driver.pDestroyWindow( hwnd ); DCE_FreeWindowDCE( hwnd ); /* Always do this to catch orphaned DCs */ WINPROC_FreeProc( wndPtr->winproc, WIN_PROC_WINDOW ); CLASS_RemoveWindow( wndPtr->class ); wndPtr->class = NULL; wndPtr->dwMagic = 0; /* Mark it as invalid */ WIN_ReleaseWndPtr( wndPtr ); } /*********************************************************************** * 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 (!IsWindow( list[i] )) continue; 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) { struct tagCLASS *class; HWND hwndDesktop; INT wndExtra; DWORD clsStyle; WNDPROC winproc; DCE *dce; CREATESTRUCTA cs; TRACE("Creating desktop window\n"); if (!WINPOS_CreateInternalPosAtom() || !(class = CLASS_AddWindow( (ATOM)LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W, &wndExtra, &winproc, &clsStyle, &dce ))) return FALSE; pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM), sizeof(WND) + wndExtra - sizeof(pWndDesktop->wExtra) ); if (!pWndDesktop) return FALSE; hwndDesktop = pWndDesktop->hwndSelf; pWndDesktop->tid = 0; /* nobody owns the desktop */ pWndDesktop->parent = 0; pWndDesktop->owner = 0; pWndDesktop->class = class; pWndDesktop->hInstance = 0; pWndDesktop->rectWindow.left = 0; pWndDesktop->rectWindow.top = 0; pWndDesktop->rectWindow.right = GetSystemMetrics(SM_CXSCREEN); pWndDesktop->rectWindow.bottom = GetSystemMetrics(SM_CYSCREEN); pWndDesktop->rectClient = pWndDesktop->rectWindow; pWndDesktop->text = NULL; pWndDesktop->hmemTaskQ = 0; pWndDesktop->hrgnUpdate = 0; pWndDesktop->hwndLastActive = hwndDesktop; pWndDesktop->dwStyle = WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS; pWndDesktop->dwExStyle = 0; pWndDesktop->clsStyle = clsStyle; pWndDesktop->dce = NULL; pWndDesktop->pVScroll = NULL; pWndDesktop->pHScroll = NULL; pWndDesktop->pProp = NULL; pWndDesktop->wIDmenu = 0; pWndDesktop->helpContext = 0; pWndDesktop->flags = 0; pWndDesktop->hSysMenu = 0; pWndDesktop->userdata = 0; pWndDesktop->winproc = winproc; pWndDesktop->cbWndExtra = wndExtra; cs.lpCreateParams = NULL; cs.hInstance = 0; cs.hMenu = 0; cs.hwndParent = 0; cs.x = 0; cs.y = 0; cs.cx = pWndDesktop->rectWindow.right; cs.cy = pWndDesktop->rectWindow.bottom; cs.style = pWndDesktop->dwStyle; cs.dwExStyle = pWndDesktop->dwExStyle; cs.lpszName = NULL; cs.lpszClass = DESKTOP_CLASS_ATOM; if (!USER_Driver.pCreateWindow( hwndDesktop, &cs, FALSE )) 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->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; } } } } } /*********************************************************************** * WIN_CreateWindowEx * * Implementation of CreateWindowEx(). */ static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom, WINDOWPROCTYPE type ) { INT sw = SW_SHOW; struct tagCLASS *classPtr; WND *wndPtr; HWND hwnd, hwndLinkAfter, parent, owner; POINT maxSize, maxPos, minTrack, maxTrack; INT wndExtra; DWORD clsStyle; WNDPROC winproc; DCE *dce; BOOL unicode = (type == WIN_PROC_32W); TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%04x menu=%04x inst=%08x params=%p\n", (type == WIN_PROC_32W) ? debugres_w((LPWSTR)cs->lpszName) : debugres_a(cs->lpszName), (type == WIN_PROC_32W) ? debugres_w((LPWSTR)cs->lpszClass) : debugres_a(cs->lpszClass), cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy, cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams ); 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") ); /* Find the parent window */ parent = GetDesktopWindow(); owner = 0; if (cs->hwndParent) { /* Make sure parent is valid */ if (!IsWindow( cs->hwndParent )) { WARN("Bad parent %04x\n", cs->hwndParent ); return 0; } if (cs->style & WS_CHILD) { parent = WIN_GetFullHandle(cs->hwndParent); if (!WIN_IsCurrentProcess(parent)) { FIXME( "creating child window of %x in other process not supported yet\n", parent ); return 0; } } else owner = GetAncestor( cs->hwndParent, GA_ROOT ); } else if ((cs->style & WS_CHILD) && !(cs->style & WS_POPUP)) { WARN("No parent for child window\n" ); return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */ } /* Find the window class */ if (!(classPtr = CLASS_AddWindow( classAtom, cs->hInstance, type, &wndExtra, &winproc, &clsStyle, &dce ))) { WARN("Bad class '%s'\n", cs->lpszClass ); return 0; } WIN_FixCoordinates(cs, &sw); /* fix default coordinates */ /* Correct the window style - stage 1 * * These are patches that appear to affect both the style loaded into the * WIN structure and passed in the CreateStruct to the WM_CREATE etc. * * 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; /* Create the window structure */ if (!(wndPtr = create_window_handle( parent, owner, classAtom, sizeof(*wndPtr) + wndExtra - sizeof(wndPtr->wExtra) ))) { TRACE("out of memory\n" ); return 0; } hwnd = wndPtr->hwndSelf; /* Fill the window structure */ wndPtr->tid = GetCurrentThreadId(); wndPtr->owner = owner; wndPtr->parent = parent; wndPtr->class = classPtr; wndPtr->winproc = winproc; wndPtr->hInstance = cs->hInstance; wndPtr->text = NULL; wndPtr->hmemTaskQ = InitThreadInput16( 0, 0 ); wndPtr->hrgnUpdate = 0; wndPtr->hrgnWnd = 0; wndPtr->hwndLastActive = hwnd; wndPtr->dwStyle = cs->style & ~WS_VISIBLE; wndPtr->dwExStyle = cs->dwExStyle; wndPtr->clsStyle = clsStyle; wndPtr->wIDmenu = 0; wndPtr->helpContext = 0; wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32; wndPtr->pVScroll = NULL; wndPtr->pHScroll = NULL; wndPtr->pProp = NULL; wndPtr->userdata = 0; wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0; wndPtr->cbWndExtra = wndExtra; if (wndExtra) memset( wndPtr->wExtra, 0, wndExtra); /* Call the WH_CBT hook */ hwndLinkAfter = ((cs->style & (WS_CHILD|WS_MAXIMIZE)) == WS_CHILD) ? HWND_BOTTOM : HWND_TOP; if (HOOK_IsHooked( WH_CBT )) { CBT_CREATEWNDA cbtc; LRESULT ret; cbtc.lpcs = cs; cbtc.hwndInsertAfter = hwndLinkAfter; ret = (type == WIN_PROC_32W) ? HOOK_CallHooksW(WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)&cbtc) : HOOK_CallHooksA(WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)&cbtc); if (ret) { TRACE("CBT-hook returned 0\n"); free_window_handle( hwnd ); CLASS_RemoveWindow( classPtr ); hwnd = 0; goto end; } } /* Correct the window style - stage 2 */ if (!(cs->style & WS_CHILD)) { wndPtr->dwStyle |= WS_CLIPSIBLINGS; if (!(cs->style & WS_POPUP)) { wndPtr->dwStyle |= WS_CAPTION; wndPtr->flags |= WIN_NEED_SIZE; } } /* Get class or window DC if needed */ if (clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC); else if (clsStyle & CS_CLASSDC) wndPtr->dce = dce; else wndPtr->dce = NULL; /* Initialize the dimensions before sending WM_GETMINMAXINFO */ wndPtr->rectWindow.left = cs->x; wndPtr->rectWindow.top = cs->y; wndPtr->rectWindow.right = cs->x + cs->cx; wndPtr->rectWindow.bottom = cs->y + cs->cy; wndPtr->rectClient = wndPtr->rectWindow; /* Send the WM_GETMINMAXINFO message and fix the size if needed */ if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD))) { WINPOS_GetMinMaxInfo( hwnd, &maxSize, &maxPos, &minTrack, &maxTrack); if (maxSize.x < cs->cx) cs->cx = maxSize.x; if (maxSize.y < cs->cy) cs->cy = maxSize.y; if (cs->cx < minTrack.x ) cs->cx = minTrack.x; if (cs->cy < minTrack.y ) cs->cy = minTrack.y; } if (cs->cx < 0) cs->cx = 0; if (cs->cy < 0) cs->cy = 0; wndPtr->rectWindow.left = cs->x; wndPtr->rectWindow.top = cs->y; wndPtr->rectWindow.right = cs->x + cs->cx; wndPtr->rectWindow.bottom = cs->y + cs->cy; wndPtr->rectClient = wndPtr->rectWindow; /* Set the window menu */ if ((wndPtr->dwStyle & (WS_CAPTION | WS_CHILD)) == WS_CAPTION ) { if (cs->hMenu) 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 = LoadMenu16(cs->hInstance,menuName); if (cs->hMenu) SetMenu( hwnd, cs->hMenu ); } } } else wndPtr->wIDmenu = (UINT)cs->hMenu; if (!USER_Driver.pCreateWindow( hwnd, cs, unicode)) { WARN("aborted by WM_xxCREATE!\n"); WIN_ReleaseWndPtr( wndPtr ); WIN_DestroyWindow( hwnd ); CLASS_RemoveWindow( classPtr ); return 0; } if( (wndPtr->dwStyle & WS_CHILD) && !(wndPtr->dwExStyle & WS_EX_NOPARENTNOTIFY) ) { /* Notify the parent window only */ SendMessageA( wndPtr->parent, WM_PARENTNOTIFY, MAKEWPARAM(WM_CREATE, wndPtr->wIDmenu), (LPARAM)hwnd ); if( !IsWindow(hwnd) ) { hwnd = 0; goto end; } } if (cs->style & WS_VISIBLE) { /* in case WS_VISIBLE got set in the meantime */ wndPtr->dwStyle &= ~WS_VISIBLE; ShowWindow( hwnd, sw ); } /* Call WH_SHELL hook */ if (!(wndPtr->dwStyle & WS_CHILD) && !GetWindow( hwnd, GW_OWNER )) HOOK_CallHooksA( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0 ); TRACE("created window %04x\n", hwnd); end: WIN_ReleaseWndPtr(wndPtr); 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", debugres_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)instance; cs.hMenu = (HMENU)menu; cs.hwndParent = WIN_Handle32( parent ); cs.style = style; cs.lpszName = windowName; cs.lpszClass = className; cs.dwExStyle = exStyle; return WIN_Handle16( 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]; if(!instance) instance=GetModuleHandleA(NULL); if(exStyle & WS_EX_MDICHILD) return CreateMDIWindowA(className, windowName, style, x, y, width, height, parent, instance, (LPARAM)data); /* Find the class atom */ if (HIWORD(className)) { if (!(classAtom = GlobalFindAtomA( className ))) { ERR( "bad class name %s\n", debugres_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]; if(!instance) instance=GetModuleHandleA(NULL); if(exStyle & WS_EX_MDICHILD) return CreateMDIWindowW(className, windowName, style, x, y, width, height, parent, instance, (LPARAM)data); /* Find the class atom */ if (HIWORD(className)) { if (!(classAtom = GlobalFindAtomW( className ))) { ERR( "bad class name %s\n", debugres_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 ) { if( CARET_GetHwnd() == hwnd) DestroyCaret(); 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 ) { WND * wndPtr; BOOL retvalue; HWND h; hwnd = WIN_GetFullHandle( hwnd ); TRACE("(%04x)\n", hwnd); /* Initialization */ if (hwnd == GetDesktopWindow()) return FALSE; /* Can't destroy desktop */ /* Look whether the focus is within the tree of windows we will * be destroying. */ h = GetFocus(); if (h == hwnd || IsChild( hwnd, h )) { HWND parent = GetAncestor( hwnd, GA_PARENT ); if (parent == GetDesktopWindow()) parent = 0; SetFocus( parent ); } /* Call hooks */ if( HOOK_CallHooksA( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0L) ) return FALSE; if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; if (!(wndPtr->dwStyle & WS_CHILD) && !GetWindow( hwnd, GW_OWNER )) { HOOK_CallHooksA( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L ); /* FIXME: clean up palette - see "Internals" p.352 */ } if( !QUEUE_IsExitingQueue(wndPtr->hmemTaskQ) ) if( wndPtr->dwStyle & WS_CHILD && !(wndPtr->dwExStyle & WS_EX_NOPARENTNOTIFY) ) { /* Notify the parent window only */ SendMessageA( wndPtr->parent, WM_PARENTNOTIFY, MAKEWPARAM(WM_DESTROY, wndPtr->wIDmenu), (LPARAM)hwnd ); if( !IsWindow(hwnd) ) { retvalue = TRUE; goto end; } } if (USER_Driver.pResetSelectionOwner) USER_Driver.pResetSelectionOwner( hwnd, FALSE ); /* before the window is unmapped */ /* Hide the window */ ShowWindow( hwnd, SW_HIDE ); if (!IsWindow(hwnd)) { retvalue = TRUE; goto end; } /* Recursively destroy owned windows */ if( !(wndPtr->dwStyle & WS_CHILD) ) { HWND owner; for (;;) { int i, got_one = 0; HWND *list = WIN_ListChildren( wndPtr->parent ); if (list) { for (i = 0; list[i]; i++) { WND *siblingPtr; if (GetWindow( list[i], GW_OWNER ) != hwnd) continue; if (!(siblingPtr = WIN_FindWndPtr( list[i] ))) continue; if (siblingPtr->hmemTaskQ == wndPtr->hmemTaskQ) { WIN_ReleaseWndPtr( siblingPtr ); DestroyWindow( list[i] ); got_one = 1; continue; } else siblingPtr->owner = 0; WIN_ReleaseWndPtr( siblingPtr ); } HeapFree( GetProcessHeap(), 0, list ); } if (!got_one) break; } WINPOS_ActivateOtherWindow( hwnd ); if ((owner = GetWindow( hwnd, GW_OWNER ))) { WND *ptr = WIN_FindWndPtr( owner ); if (ptr) { if (ptr->hwndLastActive == hwnd) ptr->hwndLastActive = owner; WIN_ReleaseWndPtr( ptr ); } } } /* Send destroy messages */ WIN_SendDestroyMsg( hwnd ); if (!IsWindow(hwnd)) { retvalue = TRUE; goto end; } /* Unlink now so we won't bother with the children later on */ if( wndPtr->parent ) WIN_UnlinkWindow(hwnd); /* Destroy the window storage */ WIN_DestroyWindow( hwnd ); retvalue = TRUE; end: WIN_ReleaseWndPtr(wndPtr); return retvalue; } /*********************************************************************** * CloseWindow (USER32.@) */ BOOL WINAPI CloseWindow( HWND hwnd ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); BOOL retvalue; if (!wndPtr || (wndPtr->dwStyle & WS_CHILD)) { retvalue = FALSE; goto end; } ShowWindow( hwnd, SW_MINIMIZE ); retvalue = TRUE; end: WIN_ReleaseWndPtr(wndPtr); return retvalue; } /*********************************************************************** * 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 ) && !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; 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; } } buffer = HEAP_strdupAtoW( GetProcessHeap(), 0, title ); 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( "You need the -desktop option when running with native USER\n" ); ExitProcess(1); return 0; } /******************************************************************* * EnableWindow (USER32.@) */ BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable ) { WND *wndPtr; BOOL retvalue; TRACE("( %x, %d )\n", hwnd, enable); if (USER_Driver.pEnableWindow) return USER_Driver.pEnableWindow( hwnd, enable ); if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; hwnd = wndPtr->hwndSelf; /* make it a full handle */ retvalue = ((wndPtr->dwStyle & WS_DISABLED) != 0); if (enable && (wndPtr->dwStyle & WS_DISABLED)) { wndPtr->dwStyle &= ~WS_DISABLED; /* Enable window */ SendMessageA( hwnd, WM_ENABLE, TRUE, 0 ); } else if (!enable && !(wndPtr->dwStyle & WS_DISABLED)) { SendMessageA( hwnd, WM_CANCELMODE, 0, 0); wndPtr->dwStyle |= WS_DISABLED; /* Disable window */ if (hwnd == GetFocus()) SetFocus( 0 ); /* A disabled window can't have the focus */ if (hwnd == GetCapture()) ReleaseCapture(); /* A disabled window can't capture the mouse */ SendMessageA( hwnd, WM_ENABLE, FALSE, 0 ); } WIN_ReleaseWndPtr(wndPtr); return retvalue; } /*********************************************************************** * IsWindowEnabled (USER32.@) */ BOOL WINAPI IsWindowEnabled(HWND hWnd) { WND * wndPtr; BOOL retvalue; if (!(wndPtr = WIN_FindWndPtr(hWnd))) return FALSE; retvalue = !(wndPtr->dwStyle & WS_DISABLED); WIN_ReleaseWndPtr(wndPtr); return retvalue; } /*********************************************************************** * 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 ) { WORD retvalue; WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; if (offset >= 0) { if (offset + sizeof(WORD) > wndPtr->cbWndExtra) { WARN("Invalid offset %d\n", offset ); retvalue = 0; } else retvalue = *(WORD *)(((char *)wndPtr->wExtra) + offset); WIN_ReleaseWndPtr(wndPtr); return retvalue; } WIN_ReleaseWndPtr(wndPtr); switch(offset) { case GWL_HWNDPARENT: return GetWindowLongW( hwnd, offset ); case GWL_ID: case GWL_HINSTANCE: { LONG ret = GetWindowLongW( 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 *ptr, retval; WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; if (offset >= 0) { if (offset + sizeof(WORD) > wndPtr->cbWndExtra) { WARN("Invalid offset %d\n", offset ); WIN_ReleaseWndPtr(wndPtr); return 0; } ptr = (WORD *)(((char *)wndPtr->wExtra) + offset); retval = *ptr; *ptr = newval; WIN_ReleaseWndPtr(wndPtr); return retval; } WIN_ReleaseWndPtr(wndPtr); switch(offset) { case GWL_ID: case GWL_HINSTANCE: case GWL_HWNDPARENT: return SetWindowLongW( hwnd, offset, (UINT)newval ); default: WARN("Invalid offset %d\n", offset ); return 0; } } /********************************************************************** * WIN_GetWindowLong * * Helper function for GetWindowLong(). */ static LONG WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type ) { LONG retvalue; WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; if (offset >= 0) { if (offset + sizeof(LONG) > wndPtr->cbWndExtra) { WARN("Invalid offset %d\n", offset ); retvalue = 0; goto end; } retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset); /* Special case for dialog window procedure */ if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG)) { retvalue = (LONG)WINPROC_GetProc( (HWINDOWPROC)retvalue, type ); goto end; } goto end; } switch(offset) { case GWL_USERDATA: retvalue = wndPtr->userdata; goto end; case GWL_STYLE: retvalue = wndPtr->dwStyle; goto end; case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; goto end; case GWL_ID: retvalue = (LONG)wndPtr->wIDmenu; goto end; case GWL_WNDPROC: retvalue = (LONG)WINPROC_GetProc( wndPtr->winproc, type ); goto end; case GWL_HWNDPARENT: retvalue = (LONG)GetParent(hwnd); goto end; case GWL_HINSTANCE: retvalue = wndPtr->hInstance; goto end; default: WARN("Unknown offset %d\n", offset ); } retvalue = 0; end: WIN_ReleaseWndPtr(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. * * FIXME: The error values for SetLastError may not be right. Can * someone check with the real thing? */ static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval, WINDOWPROCTYPE type ) { LONG *ptr, retval; WND * wndPtr = WIN_FindWndPtr( hwnd ); STYLESTRUCT style; TRACE("%x=%p %x %lx %x\n",hwnd, wndPtr, offset, newval, type); if (!wndPtr) { /* Is this the right error? */ SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return 0; } if (offset >= 0) { if (offset + sizeof(LONG) > wndPtr->cbWndExtra) { WARN("Invalid offset %d\n", offset ); /* Is this the right error? */ SetLastError( ERROR_OUTOFMEMORY ); retval = 0; goto end; } ptr = (LONG *)(((char *)wndPtr->wExtra) + offset); /* Special case for dialog window procedure */ if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG)) { retval = (LONG)WINPROC_GetProc( (HWINDOWPROC)*ptr, type ); WINPROC_SetProc( (HWINDOWPROC *)ptr, (WNDPROC16)newval, type, WIN_PROC_WINDOW ); goto end; } } else switch(offset) { case GWL_ID: ptr = (DWORD*)&wndPtr->wIDmenu; break; case GWL_HINSTANCE: ptr = (DWORD*)&wndPtr->hInstance; break; case GWL_USERDATA: ptr = &wndPtr->userdata; break; case GWL_HWNDPARENT: retval = SetParent( hwnd, (HWND)newval ); goto end; case GWL_WNDPROC: retval = (LONG)WINPROC_GetProc( wndPtr->winproc, type ); WINPROC_SetProc( &wndPtr->winproc, (WNDPROC16)newval, type, WIN_PROC_WINDOW ); goto end; case GWL_STYLE: retval = wndPtr->dwStyle; style.styleOld = wndPtr->dwStyle; style.styleNew = newval; SendMessageA(hwnd,WM_STYLECHANGING,GWL_STYLE,(LPARAM)&style); wndPtr->dwStyle = style.styleNew; if (USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, retval ); SendMessageA(hwnd,WM_STYLECHANGED,GWL_STYLE,(LPARAM)&style); retval = style.styleOld; goto end; case GWL_EXSTYLE: style.styleOld = wndPtr->dwExStyle; style.styleNew = newval; SendMessageA(hwnd,WM_STYLECHANGING,GWL_EXSTYLE,(LPARAM)&style); wndPtr->dwExStyle = style.styleNew; SendMessageA(hwnd,WM_STYLECHANGED,GWL_EXSTYLE,(LPARAM)&style); retval = style.styleOld; goto end; default: WARN("Invalid offset %d\n", offset ); /* Don't think this is right error but it should do */ SetLastError( ERROR_OUTOFMEMORY ); retval = 0; goto end; } retval = *ptr; *ptr = newval; end: WIN_ReleaseWndPtr(wndPtr); 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. * * GWL_WNDPROC Pointer to the window's window procedure. * * GWL_HINSTANCE The window's pplication instance handle. * * GWL_ID The window's identifier. * * GWL_USERDATA The window's user-specified data. * * If the window is a dialog box, the _offset_ parameter can be one of * the following values: * * DWL_DLGPROC The address of the window's dialog box procedure. * * DWL_MSGRESULT The return value of a message * that the dialog box procedure processed. * * DWL_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_DISABLE 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. * * BUGS * * GWL_STYLE does not dispatch WM_STYLE... messages. * * CONFORMANCE * * ECMA-234, Win32 * */ 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 ) { return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString ); } /******************************************************************* * InternalGetWindowText (USER32.@) */ INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount ) { WND *win = WIN_FindWndPtr( hwnd ); if (!win) return 0; if (win->text) lstrcpynW( lpString, win->text, nMaxCount ); else lpString[0] = 0; WIN_ReleaseWndPtr( win ); return strlenW(lpString); } /******************************************************************* * GetWindowTextW (USER32.@) */ INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount ) { return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString ); } /******************************************************************* * SetWindowText (USER32.@) * SetWindowTextA (USER32.@) */ BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString ) { return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * SetWindowTextW (USER32.@) */ BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString ) { 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_GetWndPtr( hwnd ))) { if (ptr == BAD_WND_PTR) return FALSE; USER_Unlock(); return TRUE; } /* check other processes */ SERVER_START_REQ( get_window_info ) { req->handle = hwnd; ret = !SERVER_CALL_ERR(); } SERVER_END_REQ; return ret; } /*********************************************************************** * GetWindowThreadProcessId (USER32.@) */ DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process ) { WND *ptr; DWORD tid = 0; if ((ptr = WIN_GetWndPtr( hwnd ))) { if (ptr != BAD_WND_PTR) { /* got a valid window */ tid = ptr->tid; if (process) *process = GetCurrentProcessId(); USER_Unlock(); } else SetLastError( ERROR_INVALID_WINDOW_HANDLE); return tid; } /* check other processes */ SERVER_START_REQ( get_window_info ) { req->handle = hwnd; if (!SERVER_CALL_ERR()) { tid = (DWORD)req->tid; if (process) *process = (DWORD)req->pid; } } SERVER_END_REQ; return tid; } /***************************************************************** * GetParent (USER32.@) */ HWND WINAPI GetParent( HWND hwnd ) { WND *wndPtr; HWND retvalue = 0; if ((wndPtr = WIN_FindWndPtr(hwnd))) { if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent; else if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner; WIN_ReleaseWndPtr(wndPtr); } return retvalue; } /***************************************************************** * GetAncestor (USER32.@) */ HWND WINAPI GetAncestor( HWND hwnd, UINT type ) { HWND ret = 0; size_t size = (type == GA_PARENT) ? sizeof(user_handle_t) : REQUEST_MAX_VAR_SIZE; SERVER_START_VAR_REQ( get_window_parents, size ) { req->handle = hwnd; if (!SERVER_CALL()) { user_handle_t *data = server_data_ptr(req); int count = server_data_size(req) / sizeof(*data); if (count) { switch(type) { case GA_PARENT: ret = data[0]; break; case GA_ROOT: case GA_ROOTOWNER: if (count > 1) ret = data[count - 2]; /* get the one before the desktop */ else ret = WIN_GetFullHandle( hwnd ); break; } } } } SERVER_END_VAR_REQ; if (ret && type == GA_ROOTOWNER) { for (;;) { HWND owner = GetWindow( ret, GW_OWNER ); if (!owner) break; ret = owner; } } return ret; } /***************************************************************** * SetParent (USER32.@) */ HWND WINAPI SetParent( HWND hwnd, HWND parent ) { WND *wndPtr; DWORD dwStyle; HWND retvalue; if (!parent) parent = GetDesktopWindow(); else parent = WIN_GetFullHandle( parent ); /* sanity checks */ if (WIN_GetFullHandle(hwnd) == GetDesktopWindow() || !IsWindow( parent )) { SetLastError( ERROR_INVALID_WINDOW_HANDLE ); return 0; } if (USER_Driver.pSetParent) return USER_Driver.pSetParent( hwnd, parent ); if (!(wndPtr = WIN_FindWndPtr(hwnd))) return 0; dwStyle = wndPtr->dwStyle; /* Windows hides the window first, then shows it again * including the WM_SHOWWINDOW messages and all */ if (dwStyle & WS_VISIBLE) ShowWindow( hwnd, SW_HIDE ); retvalue = wndPtr->parent; /* old parent */ if (parent != retvalue) { WIN_LinkWindow( hwnd, parent, HWND_TOP ); if (parent != GetDesktopWindow()) /* a child window */ { if (!(dwStyle & WS_CHILD)) { HMENU menu = (HMENU)SetWindowLongW( hwnd, GWL_ID, 0 ); if (menu) DestroyMenu( menu ); } } } WIN_ReleaseWndPtr( 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| ((dwStyle & WS_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( WND* wnd, BOOL icon ) { HWND *list; BOOL retval; int i; if (!(wnd->dwStyle & WS_VISIBLE)) return FALSE; if ((wnd->dwStyle & WS_MINIMIZE) && icon && GetClassLongA( wnd->hwndSelf, GCL_HICON )) return FALSE; if (!(list = WIN_ListParents( wnd->hwndSelf ))) 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) /* special case: not fully supported in the server yet */ { WND *wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; retval = wndPtr->owner; WIN_ReleaseWndPtr( wndPtr ); return retval; } SERVER_START_REQ( get_window_tree ) { req->handle = hwnd; if (!SERVER_CALL_ERR()) { switch(rel) { case GW_HWNDFIRST: retval = req->first_sibling; break; case GW_HWNDLAST: retval = req->last_sibling; break; case GW_HWNDNEXT: retval = req->next_sibling; break; case GW_HWNDPREV: retval = req->prev_sibling; break; case GW_CHILD: retval = req->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; WND *wndPtr =WIN_FindWndPtr(hwnd); if (!wndPtr) return hwnd; retval = wndPtr->hwndLastActive; if (!IsWindow( retval )) retval = wndPtr->hwndSelf; WIN_ReleaseWndPtr(wndPtr); 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 ) { HWND *list = NULL; SERVER_START_VAR_REQ( get_window_parents, REQUEST_MAX_VAR_SIZE ) { req->handle = hwnd; if (!SERVER_CALL()) { user_handle_t *data = server_data_ptr(req); int i, count = server_data_size(req) / sizeof(*data); if (count && ((list = HeapAlloc( GetProcessHeap(), 0, (count + 1) * sizeof(HWND) )))) { for (i = 0; i < count; i++) list[i] = data[i]; list[i] = 0; } } } SERVER_END_VAR_REQ; return list; } /******************************************************************* * 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 FALSE; /* 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; } /********************************************************************** * EnumTaskWindows16 (USER.225) */ BOOL16 WINAPI EnumTaskWindows16( HTASK16 hTask, WNDENUMPROC16 func, LPARAM lParam ) { TDB *tdb = TASK_GetPtr( hTask ); if (!tdb) return FALSE; return EnumThreadWindows( (DWORD)tdb->teb->tid, (WNDENUMPROC)func, lParam ); } /********************************************************************** * EnumThreadWindows (USER32.@) */ BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam ) { HWND *list; int i, iWndsLocks; if (!(list = list_window_children( GetDesktopWindow(), 0, GetCurrentThreadId() ))) return FALSE; /* 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("%04x\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, (WPARAM16)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 == GetActiveWindow()); WIN_ReleaseWndPtr(wndPtr); SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 ); return wparam; } } /******************************************************************* * 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; } /******************************************************************* * DRAG_QueryUpdate * * recursively find a child that contains spDragInfo->pt point * and send WM_QUERYDROPOBJECT */ BOOL16 DRAG_QueryUpdate( HWND hQueryWnd, SEGPTR spDragInfo, BOOL bNoSend ) { BOOL16 wParam, bResult = 0; POINT pt; LPDRAGINFO16 ptrDragInfo = MapSL(spDragInfo); RECT tempRect; if (!ptrDragInfo) return FALSE; CONV_POINT16TO32( &ptrDragInfo->pt, &pt ); GetWindowRect(hQueryWnd,&tempRect); if( !PtInRect(&tempRect,pt) || !IsWindowEnabled(hQueryWnd)) return FALSE; if (!IsIconic( hQueryWnd )) { GetClientRect( hQueryWnd, &tempRect ); MapWindowPoints( hQueryWnd, 0, (LPPOINT)&tempRect, 2 ); if (PtInRect( &tempRect, pt)) { int i; HWND *list = WIN_ListChildren( hQueryWnd ); wParam = 0; if (list) { for (i = 0; list[i]; i++) { if (GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE) { GetWindowRect( list[i], &tempRect ); if (PtInRect( &tempRect, pt )) break; } } if (list[i]) { if (IsWindowEnabled( list[i] )) bResult = DRAG_QueryUpdate( list[i], spDragInfo, bNoSend ); } HeapFree( GetProcessHeap(), 0, list ); } if(bResult) return bResult; } else wParam = 1; } else wParam = 1; ScreenToClient16(hQueryWnd,&ptrDragInfo->pt); ptrDragInfo->hScope = hQueryWnd; if (bNoSend) bResult = (GetWindowLongA( hQueryWnd, GWL_EXSTYLE ) & WS_EX_ACCEPTFILES) != 0; else bResult = SendMessage16( hQueryWnd, WM_QUERYDROPOBJECT, (WPARAM16)wParam, spDragInfo ); if( !bResult ) CONV_POINT32TO16( &pt, &ptrDragInfo->pt ); return bResult; } /******************************************************************* * 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; } /****************************************************************************** * DragObject (USER.464) */ DWORD WINAPI DragObject16( HWND16 hwndScope, HWND16 hWnd, UINT16 wObj, HANDLE16 hOfStruct, WORD szList, HCURSOR16 hCursor ) { MSG msg; LPDRAGINFO16 lpDragInfo; SEGPTR spDragInfo; HCURSOR16 hDragCursor=0, hOldCursor=0, hBummer=0; HGLOBAL16 hDragInfo = GlobalAlloc16( GMEM_SHARE | GMEM_ZEROINIT, 2*sizeof(DRAGINFO16)); HCURSOR16 hCurrentCursor = 0; HWND16 hCurrentWnd = 0; lpDragInfo = (LPDRAGINFO16) GlobalLock16(hDragInfo); spDragInfo = K32WOWGlobalLock16(hDragInfo); if( !lpDragInfo || !spDragInfo ) return 0L; if (!(hBummer = LoadCursorA(0, MAKEINTRESOURCEA(OCR_NO)))) { GlobalFree16(hDragInfo); return 0L; } if(hCursor) { if( !(hDragCursor = CURSORICON_IconToCursor(hCursor, FALSE)) ) { GlobalFree16(hDragInfo); return 0L; } if( hDragCursor == hCursor ) hDragCursor = 0; else hCursor = hDragCursor; hOldCursor = SetCursor(hDragCursor); } lpDragInfo->hWnd = hWnd; lpDragInfo->hScope = 0; lpDragInfo->wFlags = wObj; lpDragInfo->hList = szList; /* near pointer! */ lpDragInfo->hOfStruct = hOfStruct; lpDragInfo->l = 0L; SetCapture(hWnd); ShowCursor( TRUE ); do { GetMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST ); *(lpDragInfo+1) = *lpDragInfo; lpDragInfo->pt.x = msg.pt.x; lpDragInfo->pt.y = msg.pt.y; /* update DRAGINFO struct */ TRACE_(msg)("lpDI->hScope = %04x\n",lpDragInfo->hScope); if( DRAG_QueryUpdate(hwndScope, spDragInfo, FALSE) > 0 ) hCurrentCursor = hCursor; else { hCurrentCursor = hBummer; lpDragInfo->hScope = 0; } if( hCurrentCursor ) SetCursor(hCurrentCursor); /* send WM_DRAGLOOP */ SendMessage16( hWnd, WM_DRAGLOOP, (WPARAM16)(hCurrentCursor != hBummer), (LPARAM) spDragInfo ); /* send WM_DRAGSELECT or WM_DRAGMOVE */ if( hCurrentWnd != lpDragInfo->hScope ) { if( hCurrentWnd ) SendMessage16( hCurrentWnd, WM_DRAGSELECT, 0, (LPARAM)MAKELONG(LOWORD(spDragInfo)+sizeof(DRAGINFO16), HIWORD(spDragInfo)) ); hCurrentWnd = lpDragInfo->hScope; if( hCurrentWnd ) SendMessage16( hCurrentWnd, WM_DRAGSELECT, 1, (LPARAM)spDragInfo); } else if( hCurrentWnd ) SendMessage16( hCurrentWnd, WM_DRAGMOVE, 0, (LPARAM)spDragInfo); } while( msg.message != WM_LBUTTONUP && msg.message != WM_NCLBUTTONUP ); ReleaseCapture(); ShowCursor( FALSE ); if( hCursor ) { SetCursor( hOldCursor ); if (hDragCursor) DestroyCursor( hDragCursor ); } if( hCurrentCursor != hBummer ) msg.lParam = SendMessage16( lpDragInfo->hScope, WM_DROPOBJECT, (WPARAM16)hWnd, (LPARAM)spDragInfo ); else msg.lParam = 0; GlobalFree16(hDragInfo); return (DWORD)(msg.lParam); } /****************************************************************************** * GetWindowModuleFileNameA (USER32.@) */ UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax) { FIXME("GetWindowModuleFileNameA(hwnd 0x%x, lpszFileName %p, cchFileNameMax %u) stub!\n", hwnd, lpszFileName, cchFileNameMax); return 0; } /****************************************************************************** * GetWindowModuleFileNameW (USER32.@) */ UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax) { FIXME("GetWindowModuleFileNameW(hwnd 0x%x, lpszFileName %p, cchFileNameMax %u) stub!\n", hwnd, lpszFileName, cchFileNameMax); return 0; }