/* * Window related functions * * Copyright 1993, 1994 Alexandre Julliard */ #include #include #include #include "options.h" #include "class.h" #include "win.h" #include "heap.h" #include "user.h" #include "dce.h" #include "sysmetrics.h" #include "cursoricon.h" #include "heap.h" #include "hook.h" #include "menu.h" #include "message.h" #include "nonclient.h" #include "string32.h" #include "queue.h" #include "winpos.h" #include "color.h" #include "shm_main_blk.h" #include "dde_proc.h" #include "callback.h" #include "clipboard.h" #include "winproc.h" #include "stddebug.h" /* #define DEBUG_WIN */ /* #define DEBUG_MENU */ #include "debug.h" /* Desktop window */ static WND *pWndDesktop = NULL; static HWND hwndSysModal = 0; static WORD wDragWidth = 4; static WORD wDragHeight= 3; extern HCURSOR CURSORICON_IconToCursor(HICON); extern HQUEUE QUEUE_GetDoomedQueue(); /*********************************************************************** * WIN_FindWndPtr * * Return a pointer to the WND structure corresponding to a HWND. */ WND * WIN_FindWndPtr( HWND hwnd ) { WND * ptr; if (!hwnd) return NULL; ptr = (WND *) USER_HEAP_LIN_ADDR( hwnd ); if (ptr->dwMagic != WND_MAGIC) return NULL; if (ptr->hwndSelf != hwnd) { fprintf( stderr, "Can't happen: hwnd %04x self pointer is %04x\n", hwnd, ptr->hwndSelf ); return NULL; } return ptr; } /*********************************************************************** * WIN_DumpWindow * * Dump the content of a window structure to stderr. */ void WIN_DumpWindow( HWND hwnd ) { WND *ptr; char className[80]; int i; if (!(ptr = WIN_FindWndPtr( hwnd ))) { fprintf( stderr, "%04x is not a window handle\n", hwnd ); return; } if (!GetClassName32A( hwnd, className, sizeof(className ) )) strcpy( className, "#NULL#" ); fprintf( stderr, "Window %04x (%p):\n", hwnd, ptr ); fprintf( stderr, "next=%p child=%p parent=%p owner=%p class=%p '%s'\n" "inst=%04x taskQ=%04x updRgn=%04x active=%04x hdce=%04x idmenu=%04x\n" "style=%08lx exstyle=%08lx wndproc=%08x text='%s'\n" "client=%d,%d-%d,%d window=%d,%d-%d,%d iconpos=%d,%d maxpos=%d,%d\n" "sysmenu=%04x flags=%04x props=%04x vscroll=%p hscroll=%p\n", ptr->next, ptr->child, ptr->parent, ptr->owner, ptr->class, className, ptr->hInstance, ptr->hmemTaskQ, ptr->hrgnUpdate, ptr->hwndLastActive, ptr->hdce, ptr->wIDmenu, ptr->dwStyle, ptr->dwExStyle, (UINT32)ptr->winproc, ptr->text ? ptr->text : "", ptr->rectClient.left, ptr->rectClient.top, ptr->rectClient.right, ptr->rectClient.bottom, ptr->rectWindow.left, ptr->rectWindow.top, ptr->rectWindow.right, ptr->rectWindow.bottom, ptr->ptIconPos.x, ptr->ptIconPos.y, ptr->ptMaxPos.x, ptr->ptMaxPos.y, ptr->hSysMenu, ptr->flags, ptr->hProp, ptr->pVScroll, ptr->pHScroll ); if (ptr->class->cbWndExtra) { fprintf( stderr, "extra bytes:" ); for (i = 0; i < ptr->class->cbWndExtra; i++) fprintf( stderr, " %02x", *((BYTE*)ptr->wExtra+i) ); fprintf( stderr, "\n" ); } fprintf( stderr, "\n" ); } /*********************************************************************** * WIN_WalkWindows * * Walk the windows tree and print each window on stderr. */ void WIN_WalkWindows( HWND hwnd, int indent ) { WND *ptr; char className[80]; ptr = hwnd ? WIN_FindWndPtr( hwnd ) : pWndDesktop; if (!ptr) { fprintf( stderr, "*** Invalid window handle %04x\n", hwnd ); return; } if (!indent) /* first time around */ fprintf( stderr, "%-16.16s %-8.8s %-6.6s %-17.17s %-8.8s %s\n", "hwnd", " wndPtr", "queue", "Class Name", " Style", " WndProc"); while (ptr) { fprintf(stderr, "%*s%04x%*s", indent, "", ptr->hwndSelf, 13-indent,""); GlobalGetAtomName16(ptr->class->atomName,className,sizeof(className)); fprintf( stderr, "%08lx %-6.4x %-17.17s %08x %08x\n", (DWORD)ptr, ptr->hmemTaskQ, className, (UINT32)ptr->dwStyle, (UINT32)ptr->winproc ); if (ptr->child) WIN_WalkWindows( ptr->child->hwndSelf, indent+1 ); ptr = ptr->next; } } /*********************************************************************** * WIN_GetXWindow * * Return the X window associated to a window. */ Window WIN_GetXWindow( HWND hwnd ) { WND *wndPtr = WIN_FindWndPtr( hwnd ); while (wndPtr && !wndPtr->window) wndPtr = wndPtr->parent; return wndPtr ? wndPtr->window : 0; } /*********************************************************************** * WIN_UnlinkWindow * * Remove a window from the siblings linked list. */ BOOL WIN_UnlinkWindow( HWND hwnd ) { WND *wndPtr, **ppWnd; if (!(wndPtr = WIN_FindWndPtr( hwnd )) || !wndPtr->parent) return FALSE; ppWnd = &wndPtr->parent->child; while (*ppWnd != wndPtr) ppWnd = &(*ppWnd)->next; *ppWnd = wndPtr->next; return TRUE; } /*********************************************************************** * 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. */ BOOL WIN_LinkWindow( HWND hwnd, HWND hwndInsertAfter ) { WND *wndPtr, **ppWnd; if (!(wndPtr = WIN_FindWndPtr( hwnd )) || !wndPtr->parent) return FALSE; if ((hwndInsertAfter == HWND_TOP) || (hwndInsertAfter == HWND_BOTTOM)) { ppWnd = &wndPtr->parent->child; /* Point to first sibling hwnd */ if (hwndInsertAfter == HWND_BOTTOM) /* Find last sibling hwnd */ while (*ppWnd) ppWnd = &(*ppWnd)->next; } else /* Normal case */ { WND * afterPtr = WIN_FindWndPtr( hwndInsertAfter ); if (!afterPtr) return FALSE; ppWnd = &afterPtr->next; } wndPtr->next = *ppWnd; *ppWnd = wndPtr; return TRUE; } /*********************************************************************** * WIN_FindWinToRepaint * * Find a window that needs repaint. */ HWND WIN_FindWinToRepaint( HWND hwnd, HQUEUE hQueue ) { HWND hwndRet; WND *pWnd = pWndDesktop; /* Note: the desktop window never gets WM_PAINT messages */ pWnd = hwnd ? WIN_FindWndPtr( hwnd ) : pWndDesktop->child; for ( ; pWnd ; pWnd = pWnd->next ) { if (!(pWnd->dwStyle & WS_VISIBLE) || (pWnd->flags & WIN_NO_REDRAW)) { dprintf_win( stddeb, "FindWinToRepaint: skipping window %04x\n", pWnd->hwndSelf ); continue; } if ((pWnd->hmemTaskQ == hQueue) && (pWnd->hrgnUpdate || (pWnd->flags & WIN_INTERNAL_PAINT))) break; if (pWnd->child ) if ((hwndRet = WIN_FindWinToRepaint( pWnd->child->hwndSelf, hQueue )) ) return hwndRet; } if (!pWnd) return 0; hwndRet = pWnd->hwndSelf; /* look among siblings if we got a transparent window */ while (pWnd && ((pWnd->dwExStyle & WS_EX_TRANSPARENT) || !(pWnd->hrgnUpdate || (pWnd->flags & WIN_INTERNAL_PAINT)))) { pWnd = pWnd->next; } if (pWnd) hwndRet = pWnd->hwndSelf; dprintf_win(stddeb,"FindWinToRepaint: found %04x\n",hwndRet); return hwndRet; } /*********************************************************************** * WIN_SendParentNotify * * Send a WM_PARENTNOTIFY to all ancestors of the given window, unless * the window has the WS_EX_NOPARENTNOTIFY style. */ void WIN_SendParentNotify( HWND hwnd, WORD event, WORD idChild, LONG lValue ) { LPPOINT16 lppt = (LPPOINT16)&lValue; WND *wndPtr = WIN_FindWndPtr( hwnd ); BOOL bMouse = ((event <= WM_MOUSELAST) && (event >= WM_MOUSEFIRST)); /* if lValue contains cursor coordinates they have to be * mapped to the client area of parent window */ if (bMouse) MapWindowPoints16(0, hwnd, lppt, 1); #ifndef WINELIB32 else lValue = MAKELONG( LOWORD(lValue), idChild ); #endif while (wndPtr) { if ((wndPtr->dwExStyle & WS_EX_NOPARENTNOTIFY) || !(wndPtr->dwStyle & WS_CHILD)) break; if (bMouse) { lppt->x += wndPtr->rectClient.left; lppt->y += wndPtr->rectClient.top; } wndPtr = wndPtr->parent; #ifdef WINELIB32 SendMessage32A( wndPtr->hwndSelf, WM_PARENTNOTIFY, MAKEWPARAM( event, idChild ), lValue ); #else SendMessage16( wndPtr->hwndSelf, WM_PARENTNOTIFY, event, (LPARAM)lValue); #endif } } /*********************************************************************** * WIN_DestroyWindow * * Destroy storage associated to a window */ static void WIN_DestroyWindow( HWND hwnd ) { WND *wndPtr = WIN_FindWndPtr( hwnd ); #ifdef CONFIG_IPC if (main_block) DDE_DestroyWindow(hwnd); #endif /* CONFIG_IPC */ if (!wndPtr) return; WIN_UnlinkWindow( hwnd ); /* Remove the window from the linked list */ TIMER_RemoveWindowTimers( hwnd ); wndPtr->dwMagic = 0; /* Mark it as invalid */ wndPtr->hwndSelf = 0; if ((wndPtr->hrgnUpdate) || (wndPtr->flags & WIN_INTERNAL_PAINT)) { if (wndPtr->hrgnUpdate) DeleteObject( wndPtr->hrgnUpdate ); QUEUE_DecPaintCount( wndPtr->hmemTaskQ ); } if (!(wndPtr->dwStyle & WS_CHILD)) { if (wndPtr->wIDmenu) DestroyMenu( (HMENU)wndPtr->wIDmenu ); } if (wndPtr->hSysMenu) DestroyMenu( wndPtr->hSysMenu ); if (wndPtr->window) XDestroyWindow( display, wndPtr->window ); if (wndPtr->class->style & CS_OWNDC) DCE_FreeDCE( wndPtr->hdce ); WINPROC_FreeProc( wndPtr->winproc ); wndPtr->class->cWindows--; USER_HEAP_FREE( hwnd ); } /*********************************************************************** * WIN_DestroyQueueWindows */ void WIN_DestroyQueueWindows( WND* wnd, HQUEUE hQueue ) { WND* next; while (wnd) { next = wnd->next; if (wnd->hmemTaskQ == hQueue) DestroyWindow( wnd->hwndSelf ); else WIN_DestroyQueueWindows( wnd->child, hQueue ); wnd = next; } } /*********************************************************************** * WIN_CreateDesktopWindow * * Create the desktop window. */ BOOL WIN_CreateDesktopWindow(void) { CLASS *class; HDC hdc; HWND hwndDesktop; dprintf_win(stddeb,"Creating desktop window\n"); if (!(class = CLASS_FindClassByAtom( DESKTOP_CLASS_ATOM, 0 ))) return FALSE; hwndDesktop = USER_HEAP_ALLOC( sizeof(WND)+class->cbWndExtra ); if (!hwndDesktop) return FALSE; pWndDesktop = (WND *) USER_HEAP_LIN_ADDR( hwndDesktop ); pWndDesktop->next = NULL; pWndDesktop->child = NULL; pWndDesktop->parent = NULL; pWndDesktop->owner = NULL; pWndDesktop->class = class; pWndDesktop->winproc = NULL; pWndDesktop->dwMagic = WND_MAGIC; pWndDesktop->hwndSelf = hwndDesktop; pWndDesktop->hInstance = 0; pWndDesktop->rectWindow.left = 0; pWndDesktop->rectWindow.top = 0; pWndDesktop->rectWindow.right = SYSMETRICS_CXSCREEN; pWndDesktop->rectWindow.bottom = SYSMETRICS_CYSCREEN; pWndDesktop->rectClient = pWndDesktop->rectWindow; pWndDesktop->rectNormal = pWndDesktop->rectWindow; pWndDesktop->ptIconPos.x = -1; pWndDesktop->ptIconPos.y = -1; pWndDesktop->ptMaxPos.x = -1; pWndDesktop->ptMaxPos.y = -1; pWndDesktop->text = NULL; pWndDesktop->hmemTaskQ = 0; /* Desktop does not belong to a task */ pWndDesktop->hrgnUpdate = 0; pWndDesktop->hwndLastActive = hwndDesktop; pWndDesktop->dwStyle = WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS; pWndDesktop->dwExStyle = 0; pWndDesktop->hdce = 0; pWndDesktop->pVScroll = NULL; pWndDesktop->pHScroll = NULL; pWndDesktop->wIDmenu = 0; pWndDesktop->flags = 0; pWndDesktop->window = rootWindow; pWndDesktop->hSysMenu = 0; pWndDesktop->hProp = 0; pWndDesktop->userdata = 0; WINPROC_SetProc( &pWndDesktop->winproc, (WNDPROC16)class->winproc, 0 ); EVENT_RegisterWindow( pWndDesktop ); SendMessage32A( hwndDesktop, WM_NCCREATE, 0, 0 ); if ((hdc = GetDC( hwndDesktop )) != 0) { SendMessage32A( hwndDesktop, WM_ERASEBKGND, hdc, 0 ); ReleaseDC( hwndDesktop, hdc ); } return TRUE; } /*********************************************************************** * WIN_CreateWindowEx * * Implementation of CreateWindowEx(). */ static HWND WIN_CreateWindowEx( CREATESTRUCT32A *cs, ATOM classAtom, BOOL unicode ) { CLASS *classPtr; WND *wndPtr; HWND16 hwnd; POINT16 maxSize, maxPos, minTrack, maxTrack; LRESULT wmcreate; dprintf_win( stddeb, "CreateWindowEx: " ); if (HIWORD(cs->lpszName)) dprintf_win( stddeb, "'%s' ", cs->lpszName ); else dprintf_win( stddeb, "#%04x ", LOWORD(cs->lpszName) ); if (HIWORD(cs->lpszClass)) dprintf_win( stddeb, "'%s' ", cs->lpszClass ); else dprintf_win( stddeb, "#%04x ", LOWORD(cs->lpszClass) ); dprintf_win( stddeb, "%08lx %08lx %d,%d %dx%d %04x %04x %04x %p\n", cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy, cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams); /* Find the parent window */ if (cs->hwndParent) { /* Make sure parent is valid */ if (!IsWindow( cs->hwndParent )) { fprintf( stderr, "CreateWindowEx: bad parent %04x\n", cs->hwndParent ); return 0; } } else if (cs->style & WS_CHILD) { fprintf( stderr, "CreateWindowEx: no parent for child window\n" ); return 0; /* WS_CHILD needs a parent */ } /* Find the window class */ if (!(classPtr = CLASS_FindClassByAtom( classAtom, GetExePtr(cs->hInstance) ))) { char buffer[256]; GlobalGetAtomName32A( classAtom, buffer, sizeof(buffer) ); fprintf( stderr, "CreateWindowEx: bad class '%s'\n", buffer ); return 0; } /* Fix the coordinates */ if (cs->x == CW_USEDEFAULT32) cs->x = cs->y = 0; if (cs->cx == CW_USEDEFAULT32) { /* if (!(cs->style & (WS_CHILD | WS_POPUP))) cs->cx = cs->cy = 0; else */ { cs->cx = 600; cs->cy = 400; } } /* Create the window structure */ if (!(hwnd = USER_HEAP_ALLOC( sizeof(*wndPtr) + classPtr->cbWndExtra - sizeof(wndPtr->wExtra) ))) { dprintf_win( stddeb, "CreateWindowEx: out of memory\n" ); return 0; } /* Fill the window structure */ wndPtr = (WND *) USER_HEAP_LIN_ADDR( hwnd ); wndPtr->next = NULL; wndPtr->child = NULL; wndPtr->parent = (cs->style & WS_CHILD) ? WIN_FindWndPtr( cs->hwndParent ) : pWndDesktop; wndPtr->owner = (cs->style & WS_CHILD) ? NULL : WIN_FindWndPtr(WIN_GetTopParent(cs->hwndParent)); wndPtr->window = 0; wndPtr->class = classPtr; wndPtr->winproc = NULL; wndPtr->dwMagic = WND_MAGIC; wndPtr->hwndSelf = hwnd; wndPtr->hInstance = cs->hInstance; wndPtr->ptIconPos.x = -1; wndPtr->ptIconPos.y = -1; wndPtr->ptMaxPos.x = -1; wndPtr->ptMaxPos.y = -1; wndPtr->text = NULL; wndPtr->hmemTaskQ = GetTaskQueue(0); wndPtr->hrgnUpdate = 0; wndPtr->hwndLastActive = hwnd; wndPtr->dwStyle = cs->style & ~WS_VISIBLE; wndPtr->dwExStyle = cs->dwExStyle; wndPtr->wIDmenu = 0; wndPtr->flags = 0; wndPtr->pVScroll = NULL; wndPtr->pHScroll = NULL; wndPtr->hSysMenu = MENU_GetDefSysMenu(); wndPtr->hProp = 0; wndPtr->userdata = 0; if (classPtr->cbWndExtra) memset( wndPtr->wExtra, 0, classPtr->cbWndExtra); classPtr->cWindows++; /* Set the window procedure */ WINPROC_SetProc( &wndPtr->winproc, (WNDPROC16)classPtr->winproc, 0 ); /* Correct the window style */ if (!(cs->style & (WS_POPUP | WS_CHILD))) /* Overlapped window */ { wndPtr->dwStyle |= WS_CAPTION | WS_CLIPSIBLINGS; wndPtr->flags |= WIN_NEED_SIZE; } if (cs->dwExStyle & WS_EX_DLGMODALFRAME) wndPtr->dwStyle &= ~WS_THICKFRAME; /* Get class or window DC if needed */ if (classPtr->style & CS_OWNDC) wndPtr->hdce = DCE_AllocDCE(hwnd, DCE_WINDOW_DC); else if (classPtr->style & CS_CLASSDC) wndPtr->hdce = classPtr->hdce; else wndPtr->hdce = 0; /* Insert the window in the linked list */ WIN_LinkWindow( hwnd, HWND_BOTTOM ); /* Send the WM_GETMINMAXINFO message and fix the size if needed */ if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD))) { NC_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 <= 0) cs->cx = 1; if (cs->cy <= 0) cs->cy = 1; 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; wndPtr->rectNormal = wndPtr->rectWindow; /* Create the X window (only for top-level windows, and then only */ /* when there's no desktop window) */ if (!(cs->style & WS_CHILD) && (rootWindow == DefaultRootWindow(display))) { XSetWindowAttributes win_attr; Atom XA_WM_DELETE_WINDOW; if (Options.managed && ((cs->style & (WS_DLGFRAME | WS_THICKFRAME)) || (cs->dwExStyle & WS_EX_DLGMODALFRAME))) { win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask | StructureNotifyMask; win_attr.override_redirect = FALSE; wndPtr->flags |= WIN_MANAGED; } else { win_attr.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask | PointerMotionMask | ButtonPressMask | ButtonReleaseMask | FocusChangeMask; win_attr.override_redirect = TRUE; } win_attr.colormap = COLOR_WinColormap; win_attr.backing_store = Options.backingstore ? WhenMapped : NotUseful; win_attr.save_under = ((classPtr->style & CS_SAVEBITS) != 0); win_attr.cursor = CURSORICON_XCursor; wndPtr->window = XCreateWindow( display, rootWindow, cs->x, cs->y, cs->cx, cs->cy, 0, CopyFromParent, InputOutput, CopyFromParent, CWEventMask | CWOverrideRedirect | CWColormap | CWCursor | CWSaveUnder | CWBackingStore, &win_attr ); XA_WM_DELETE_WINDOW = XInternAtom( display, "WM_DELETE_WINDOW", False ); XSetWMProtocols( display, wndPtr->window, &XA_WM_DELETE_WINDOW, 1 ); if (cs->hwndParent) /* Get window owner */ { Window win = WIN_GetXWindow( cs->hwndParent ); if (win) XSetTransientForHint( display, wndPtr->window, win ); } EVENT_RegisterWindow( wndPtr ); } /* Set the window menu */ if ((cs->style & WS_CAPTION) && !(cs->style & WS_CHILD)) { if (cs->hMenu) SetMenu(hwnd, cs->hMenu); else { #if 0 /* FIXME: should check if classPtr->menuNameW can be used as is */ if (classPtr->menuNameA) cs->hMenu = HIWORD(classPtr->menuNameA) ? LoadMenu(cs->hInstance,SEGPTR_GET(classPtr->menuNameA)): LoadMenu(cs->hInstance,(SEGPTR)classPtr->menuNameA); #else SEGPTR menuName = (SEGPTR)GetClassLong16( hwnd, GCL_MENUNAME ); if (menuName) cs->hMenu = LoadMenu( cs->hInstance, menuName ); #endif } if (cs->hMenu) SetMenu( hwnd, cs->hMenu ); } else wndPtr->wIDmenu = (UINT)cs->hMenu; /* Send the WM_CREATE message */ if (unicode) { if (!SendMessage32W( hwnd, WM_NCCREATE, 0, (LPARAM)cs)) wmcreate = -1; else { WINPOS_SendNCCalcSize( hwnd, FALSE, &wndPtr->rectWindow, NULL, NULL, 0, &wndPtr->rectClient ); wmcreate = SendMessage32W( hwnd, WM_CREATE, 0, (LPARAM)cs ); } } else { if (!SendMessage32A( hwnd, WM_NCCREATE, 0, (LPARAM)cs)) wmcreate = -1; else { WINPOS_SendNCCalcSize( hwnd, FALSE, &wndPtr->rectWindow, NULL, NULL, 0, &wndPtr->rectClient ); wmcreate = SendMessage32A( hwnd, WM_CREATE, 0, (LPARAM)cs ); } } if (wmcreate == -1) { /* Abort window creation */ dprintf_win(stddeb,"CreateWindowEx: wmcreate==-1, aborting\n"); WIN_DestroyWindow( hwnd ); return 0; } /* Send the size messages */ if (!(wndPtr->flags & WIN_NEED_SIZE)) { /* send it anyway */ SendMessage16( hwnd, WM_SIZE, SIZE_RESTORED, MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left, wndPtr->rectClient.bottom-wndPtr->rectClient.top)); SendMessage16( hwnd, WM_MOVE, 0, MAKELONG( wndPtr->rectClient.left, wndPtr->rectClient.top )); } WIN_SendParentNotify( hwnd, WM_CREATE, wndPtr->wIDmenu, (LONG)hwnd ); if (!IsWindow(hwnd)) return 0; /* Show the window, maximizing or minimizing if needed */ if (wndPtr->dwStyle & WS_MINIMIZE) { wndPtr->dwStyle &= ~WS_MAXIMIZE; WINPOS_FindIconPos( hwnd ); SetWindowPos( hwnd, 0, wndPtr->ptIconPos.x, wndPtr->ptIconPos.y, SYSMETRICS_CXICON, SYSMETRICS_CYICON, SWP_FRAMECHANGED | ((cs->style & WS_VISIBLE) ? SWP_SHOWWINDOW : 0 )); } else if (wndPtr->dwStyle & WS_MAXIMIZE) { POINT16 maxSize, maxPos, minTrack, maxTrack; NC_GetMinMaxInfo( hwnd, &maxSize, &maxPos, &minTrack, &maxTrack ); SetWindowPos( hwnd, 0, maxPos.x, maxPos.y, maxSize.x, maxSize.y, SWP_FRAMECHANGED | ((cs->style & WS_VISIBLE) ? SWP_SHOWWINDOW : 0) ); } else if (cs->style & WS_VISIBLE) ShowWindow( hwnd, SW_SHOW ); /* Call WH_SHELL hook */ if (!(wndPtr->dwStyle & WS_CHILD) && !wndPtr->owner) HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, hwnd, 0 ); dprintf_win(stddeb, "CreateWindowEx: returning %04x\n", hwnd); return hwnd; } /*********************************************************************** * CreateWindow16 (USER.41) */ HWND16 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 ); } /*********************************************************************** * CreateWindowEx16 (USER.452) */ HWND16 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; CREATESTRUCT32A cs; /* Find the class atom */ if (!(classAtom = GlobalFindAtom32A( className ))) { fprintf( stderr, "CreateWindowEx16: bad class name " ); if (!HIWORD(className)) fprintf( stderr, "%04x\n", LOWORD(className) ); else fprintf( stderr, "'%s'\n", className ); return 0; } /* Fix the coordinates */ cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT32 : (INT32)x; cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT32 : (INT32)y; cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT32 : (INT32)width; cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT32 : (INT32)height; /* Create the window */ cs.lpCreateParams = data; cs.hInstance = (HINSTANCE32)instance; cs.hMenu = (HMENU32)menu; cs.hwndParent = (HWND32)parent; cs.style = style; cs.lpszName = windowName; cs.lpszClass = className; cs.dwExStyle = exStyle; return WIN_CreateWindowEx( &cs, classAtom, FALSE ); } /*********************************************************************** * CreateWindowEx32A (USER32.82) */ HWND32 CreateWindowEx32A( DWORD exStyle, LPCSTR className, LPCSTR windowName, DWORD style, INT32 x, INT32 y, INT32 width, INT32 height, HWND32 parent, HMENU32 menu, HINSTANCE32 instance, LPVOID data ) { ATOM classAtom; CREATESTRUCT32A cs; /* Find the class atom */ if (!(classAtom = GlobalFindAtom32A( className ))) { fprintf( stderr, "CreateWindowEx32A: bad class name " ); if (!HIWORD(className)) fprintf( stderr, "%04x\n", LOWORD(className) ); else fprintf( stderr, "'%s'\n", className ); return 0; } /* 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, FALSE ); } /*********************************************************************** * CreateWindowEx32W (USER32.83) */ HWND32 CreateWindowEx32W( DWORD exStyle, LPCWSTR className, LPCWSTR windowName, DWORD style, INT32 x, INT32 y, INT32 width, INT32 height, HWND32 parent, HMENU32 menu, HINSTANCE32 instance, LPVOID data ) { ATOM classAtom; CREATESTRUCT32W cs; /* Find the class atom */ if (!(classAtom = GlobalFindAtom32W( className ))) { fprintf( stderr, "CreateWindowEx32W: bad class name %p\n", className ); return 0; } /* 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 CREATESTRUCT32A and */ /* CREATESTRUCT32W have the same layout. */ return WIN_CreateWindowEx( (CREATESTRUCT32A *)&cs, classAtom, TRUE ); } /*********************************************************************** * DestroyWindow (USER.53) */ BOOL DestroyWindow( HWND hwnd ) { WND * wndPtr; dprintf_win(stddeb, "DestroyWindow(%04x)\n", hwnd); /* Initialization */ if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; if (wndPtr == pWndDesktop) return FALSE; /* Can't destroy desktop */ /* Top-level window */ if (!(wndPtr->dwStyle & WS_CHILD) && !wndPtr->owner) { HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, hwnd, 0L ); /* FIXME: clean up palette - see "Internals" p.352 */ } /* Hide the window */ if (wndPtr->dwStyle & WS_VISIBLE) SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_HIDEWINDOW | SWP_NOACTIVATE | SWP_NOZORDER | SWP_NOMOVE | SWP_NOSIZE ); if ((hwnd == GetCapture()) || IsChild( hwnd, GetCapture() )) ReleaseCapture(); if (!QUEUE_GetDoomedQueue()) WIN_SendParentNotify( hwnd, WM_DESTROY, wndPtr->wIDmenu, (LONG)hwnd ); /* Recursively destroy owned windows */ for (;;) { WND *siblingPtr = wndPtr->parent->child; /* First sibling */ while (siblingPtr) { if (siblingPtr->owner == wndPtr) break; siblingPtr = siblingPtr->next; } if (siblingPtr) DestroyWindow( siblingPtr->hwndSelf ); else break; } CLIPBOARD_DisOwn( hwnd ); /* Send destroy messages and destroy children */ SendMessage16( hwnd, WM_DESTROY, 0, 0 ); while (wndPtr->child) /* The child removes itself from the list */ DestroyWindow( wndPtr->child->hwndSelf ); SendMessage16( hwnd, WM_NCDESTROY, 0, 0 ); /* Destroy the window */ WIN_DestroyWindow( hwnd ); return TRUE; } /*********************************************************************** * CloseWindow (USER.43) */ BOOL CloseWindow(HWND hWnd) { WND * wndPtr = WIN_FindWndPtr(hWnd); if (!wndPtr || (wndPtr->dwStyle & WS_CHILD)) return TRUE; ShowWindow(hWnd, SW_MINIMIZE); return TRUE; } /*********************************************************************** * OpenIcon (USER.44) */ BOOL 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, LPCSTR title ) { WND *pWnd; CLASS *pClass = NULL; if (child) { if (!(pWnd = WIN_FindWndPtr( child ))) return 0; if (parent) { if (!pWnd->parent || (pWnd->parent->hwndSelf != parent)) return 0; } else if (pWnd->parent != pWndDesktop) return 0; pWnd = pWnd->next; } else { if (!(pWnd = parent ? WIN_FindWndPtr(parent) : pWndDesktop)) return 0; pWnd = pWnd->child; } if (!pWnd) return 0; /* For a child window, all siblings will have the same hInstance, */ /* so we can look for the class once and for all. */ if (className && (pWnd->dwStyle & WS_CHILD)) { if (!(pClass = CLASS_FindClassByAtom( className, pWnd->hInstance ))) return 0; } for ( ; pWnd; pWnd = pWnd->next) { if (className && !(pWnd->dwStyle & WS_CHILD)) { if (!(pClass = CLASS_FindClassByAtom( className, pWnd->hInstance))) continue; /* Skip this window */ } if (pClass && (pWnd->class != pClass)) continue; /* Not the right class */ /* Now check the title */ if (!title) return pWnd->hwndSelf; if (pWnd->text && !strcmp( pWnd->text, title )) return pWnd->hwndSelf; } return 0; } /*********************************************************************** * FindWindow16 (USER.50) */ HWND16 FindWindow16( SEGPTR className, LPCSTR title ) { return FindWindowEx16( 0, 0, className, title ); } /*********************************************************************** * FindWindowEx16 (USER.427) */ HWND16 FindWindowEx16( HWND16 parent, HWND16 child, SEGPTR className, LPCSTR title ) { ATOM atom; atom = className ? GlobalFindAtom16( className ) : 0; return WIN_FindWindow( parent, child, atom, title ); } /*********************************************************************** * FindWindow32A (USER32.197) */ HWND32 FindWindow32A( LPCSTR className, LPCSTR title ) { return FindWindowEx32A( 0, 0, className, title ); } /*********************************************************************** * FindWindowEx32A (USER32.198) */ HWND32 FindWindowEx32A( HWND32 parent, HWND32 child, LPCSTR className, LPCSTR title ) { ATOM atom; atom = className ? GlobalFindAtom32A( className ) : 0; return WIN_FindWindow( 0, 0, atom, title ); } /*********************************************************************** * FindWindowEx32W (USER32.199) */ HWND32 FindWindowEx32W( HWND32 parent, HWND32 child, LPCWSTR className, LPCWSTR title ) { ATOM atom; char *buffer; HWND hwnd; atom = className ? GlobalFindAtom32W( className ) : 0; buffer = title ? STRING32_DupUniToAnsi( title ) : NULL; hwnd = WIN_FindWindow( 0, 0, atom, buffer ); if (buffer) free( buffer ); return hwnd; } /*********************************************************************** * FindWindow32W (USER32.200) */ HWND32 FindWindow32W( LPCWSTR className, LPCWSTR title ) { return FindWindowEx32W( 0, 0, className, title ); } /********************************************************************** * WIN_GetDesktop */ WND *WIN_GetDesktop(void) { return pWndDesktop; } /********************************************************************** * GetDesktopWindow (USER.286) */ HWND GetDesktopWindow(void) { return pWndDesktop->hwndSelf; } /********************************************************************** * GetDesktopHwnd (USER.278) * * Exactly the same thing as GetDesktopWindow(), but not documented. * Don't ask me why... */ HWND GetDesktopHwnd(void) { return pWndDesktop->hwndSelf; } /******************************************************************* * EnableWindow (USER.34) */ BOOL EnableWindow( HWND hwnd, BOOL enable ) { WND *wndPtr; if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; if (enable && (wndPtr->dwStyle & WS_DISABLED)) { /* Enable window */ wndPtr->dwStyle &= ~WS_DISABLED; SendMessage16( hwnd, WM_ENABLE, TRUE, 0 ); return TRUE; } else if (!enable && !(wndPtr->dwStyle & WS_DISABLED)) { /* Disable window */ wndPtr->dwStyle |= WS_DISABLED; if ((hwnd == GetFocus()) || IsChild( hwnd, GetFocus() )) SetFocus( 0 ); /* A disabled window can't have the focus */ if ((hwnd == GetCapture()) || IsChild( hwnd, GetCapture() )) ReleaseCapture(); /* A disabled window can't capture the mouse */ SendMessage16( hwnd, WM_ENABLE, FALSE, 0 ); return FALSE; } return ((wndPtr->dwStyle & WS_DISABLED) != 0); } /*********************************************************************** * IsWindowEnabled (USER.35) (USER32.348) */ BOOL IsWindowEnabled(HWND hWnd) { WND * wndPtr; if (!(wndPtr = WIN_FindWndPtr(hWnd))) return FALSE; return !(wndPtr->dwStyle & WS_DISABLED); } /*********************************************************************** * IsWindowUnicode (USER32.349) */ BOOL32 IsWindowUnicode( HWND32 hwnd ) { WND * wndPtr; if (!(wndPtr = WIN_FindWndPtr(hwnd))) return FALSE; return (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W); } /********************************************************************** * GetWindowWord (USER.133) (USER32.313) */ WORD GetWindowWord( HWND32 hwnd, INT32 offset ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; if (offset >= 0) { if (offset + sizeof(WORD) > wndPtr->class->cbWndExtra) { fprintf( stderr, "SetWindowWord: invalid offset %d\n", offset ); return 0; } return *(WORD *)(((char *)wndPtr->wExtra) + offset); } switch(offset) { case GWW_ID: return wndPtr->wIDmenu; case GWW_HWNDPARENT: return wndPtr->parent ? wndPtr->parent->hwndSelf : 0; case GWW_HINSTANCE: return (WORD)wndPtr->hInstance; default: fprintf( stderr, "GetWindowWord: invalid offset %d\n", offset ); return 0; } } /********************************************************************** * WIN_GetWindowInstance */ HINSTANCE WIN_GetWindowInstance(HWND hwnd) { WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return (HINSTANCE)0; return wndPtr->hInstance; } /********************************************************************** * SetWindowWord (USER.134) (USER32.523) */ WORD SetWindowWord( HWND32 hwnd, INT32 offset, WORD newval ) { WORD *ptr, retval; WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; if (offset >= 0) { if (offset + sizeof(WORD) > wndPtr->class->cbWndExtra) { fprintf( stderr, "SetWindowWord: invalid offset %d\n", offset ); return 0; } ptr = (WORD *)(((char *)wndPtr->wExtra) + offset); } else switch(offset) { case GWW_ID: ptr = (WORD *)&wndPtr->wIDmenu; break; case GWW_HINSTANCE: ptr = (WORD *)&wndPtr->hInstance; break; default: fprintf( stderr, "SetWindowWord: invalid offset %d\n", offset ); return 0; } retval = *ptr; *ptr = newval; return retval; } /********************************************************************** * WIN_GetWindowLong * * Helper function for GetWindowLong(). */ static LONG WIN_GetWindowLong( HWND32 hwnd, INT32 offset, WINDOWPROCTYPE type ) { LONG retval; WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; if (offset >= 0) { if (offset + sizeof(LONG) > wndPtr->class->cbWndExtra) { fprintf( stderr, "GetWindowLong: invalid offset %d\n", offset ); return 0; } retval = *(LONG *)(((char *)wndPtr->wExtra) + offset); /* Special case for dialog window procedure */ if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG)) return (LONG)WINPROC_GetProc( (HWINDOWPROC)retval, type ); return retval; } switch(offset) { case GWL_USERDATA: return wndPtr->userdata; case GWL_STYLE: return wndPtr->dwStyle; case GWL_EXSTYLE: return wndPtr->dwExStyle; case GWL_ID: return wndPtr->wIDmenu; case GWL_WNDPROC: return (LONG)WINPROC_GetProc( wndPtr->winproc, type ); case GWL_HWNDPARENT: return wndPtr->parent ? (HWND32)wndPtr->parent->hwndSelf : 0; case GWL_HINSTANCE: return (HINSTANCE32)wndPtr->hInstance; default: fprintf( stderr, "GetWindowLong: unknown offset %d\n", offset ); } return 0; } /********************************************************************** * WIN_SetWindowLong * * Helper function for SetWindowLong(). */ static LONG WIN_SetWindowLong( HWND32 hwnd, INT32 offset, LONG newval, WINDOWPROCTYPE type ) { LONG *ptr, retval; WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; if (offset >= 0) { if (offset + sizeof(LONG) > wndPtr->class->cbWndExtra) { fprintf( stderr, "SetWindowLong: invalid offset %d\n", offset ); return 0; } 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 ); return retval; } } else switch(offset) { case GWL_ID: case GWL_HINSTANCE: return SetWindowWord( hwnd, offset, (WORD)newval ); case GWL_WNDPROC: retval = (LONG)WINPROC_GetProc( wndPtr->winproc, type ); WINPROC_SetProc( &wndPtr->winproc, (WNDPROC16)newval, type ); return retval; case GWL_STYLE: ptr = &wndPtr->dwStyle; /* Some bits can't be changed this way */ newval &= ~(WS_VISIBLE | WS_CHILD); newval |= (*ptr & (WS_VISIBLE | WS_CHILD)); break; case GWL_USERDATA: ptr = &wndPtr->userdata; break; case GWL_EXSTYLE: ptr = &wndPtr->dwExStyle; break; default: fprintf( stderr, "SetWindowLong: invalid offset %d\n", offset ); return 0; } retval = *ptr; *ptr = newval; return retval; } /********************************************************************** * GetWindowLong16 (USER.135) */ LONG GetWindowLong16( HWND16 hwnd, INT16 offset ) { return WIN_GetWindowLong( (HWND32)hwnd, offset, WIN_PROC_16 ); } /********************************************************************** * GetWindowLong32A (USER32.304) */ LONG GetWindowLong32A( HWND32 hwnd, INT32 offset ) { return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A ); } /********************************************************************** * GetWindowLong32W (USER32.305) */ LONG GetWindowLong32W( HWND32 hwnd, INT32 offset ) { return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W ); } /********************************************************************** * SetWindowLong16 (USER.136) */ LONG SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval ) { return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_16 ); } /********************************************************************** * SetWindowLong32A (USER32.516) */ LONG SetWindowLong32A( HWND32 hwnd, INT32 offset, LONG newval ) { return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A ); } /********************************************************************** * SetWindowLong32W (USER32.517) */ LONG SetWindowLong32W( HWND32 hwnd, INT32 offset, LONG newval ) { return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W ); } /******************************************************************* * GetWindowText16 (USER.36) */ INT16 GetWindowText16( HWND16 hwnd, SEGPTR lpString, INT16 nMaxCount ) { return (INT16)SendMessage16(hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString); } /******************************************************************* * GetWindowText32A (USER32.308) */ INT32 GetWindowText32A( HWND32 hwnd, LPSTR lpString, INT32 nMaxCount ) { return (INT32)SendMessage32A( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString ); } /******************************************************************* * GetWindowText32W (USER32.311) */ INT32 GetWindowText32W( HWND32 hwnd, LPWSTR lpString, INT32 nMaxCount ) { return (INT32)SendMessage32W( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString ); } /******************************************************************* * SetWindowText16 (USER.37) */ void SetWindowText16( HWND16 hwnd, SEGPTR lpString ) { SendMessage16( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * SetWindowText32A (USER32.) */ void SetWindowText32A( HWND32 hwnd, LPCSTR lpString ) { SendMessage32A( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * SetWindowText32W (USER32.) */ void SetWindowText32W( HWND32 hwnd, LPCWSTR lpString ) { SendMessage32W( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * GetWindowTextLength (USER.38) */ int GetWindowTextLength(HWND hwnd) { return (int)SendMessage16(hwnd, WM_GETTEXTLENGTH, 0, 0 ); } /******************************************************************* * IsWindow (USER.47) (USER32.347) */ BOOL16 IsWindow( HWND32 hwnd ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); return ((wndPtr != NULL) && (wndPtr->dwMagic == WND_MAGIC)); } /***************************************************************** * GetParent (USER.46) */ HWND GetParent(HWND hwnd) { WND *wndPtr = WIN_FindWndPtr(hwnd); if (!wndPtr) return 0; wndPtr = (wndPtr->dwStyle & WS_CHILD) ? wndPtr->parent : wndPtr->owner; return wndPtr ? wndPtr->hwndSelf : 0; } /***************************************************************** * WIN_GetTopParent * * Get the top-level parent for a child window. */ HWND WIN_GetTopParent( HWND hwnd ) { WND *wndPtr = WIN_FindWndPtr( hwnd ); while (wndPtr && (wndPtr->dwStyle & WS_CHILD)) wndPtr = wndPtr->parent; return wndPtr ? wndPtr->hwndSelf : 0; } /***************************************************************** * SetParent (USER.233) */ HWND SetParent(HWND hwndChild, HWND hwndNewParent) { HWND oldParent; WND *wndPtr = WIN_FindWndPtr(hwndChild); WND *pWndParent = WIN_FindWndPtr( hwndNewParent ); if (!wndPtr || !pWndParent || !(wndPtr->dwStyle & WS_CHILD)) return 0; oldParent = wndPtr->parent->hwndSelf; WIN_UnlinkWindow(hwndChild); if (hwndNewParent) wndPtr->parent = pWndParent; WIN_LinkWindow(hwndChild, HWND_BOTTOM); if (IsWindowVisible(hwndChild)) UpdateWindow(hwndChild); return oldParent; } /******************************************************************* * IsChild (USER.48) */ BOOL IsChild( HWND parent, HWND child ) { WND * wndPtr = WIN_FindWndPtr( child ); while (wndPtr && (wndPtr->dwStyle & WS_CHILD)) { wndPtr = wndPtr->parent; if (wndPtr->hwndSelf == parent) return TRUE; } return FALSE; } /*********************************************************************** * IsWindowVisible (USER.49) (USER32.350) */ BOOL IsWindowVisible( HWND hwnd ) { WND *wndPtr = WIN_FindWndPtr( hwnd ); while (wndPtr && (wndPtr->dwStyle & WS_CHILD)) { if (!(wndPtr->dwStyle & WS_VISIBLE)) return FALSE; wndPtr = wndPtr->parent; } return (wndPtr && (wndPtr->dwStyle & WS_VISIBLE)); } /******************************************************************* * GetTopWindow (USER.229) */ HWND GetTopWindow( HWND hwnd ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); if (wndPtr && wndPtr->child) return wndPtr->child->hwndSelf; else return 0; } /******************************************************************* * GetWindow (USER.262) */ HWND GetWindow( HWND hwnd, WORD rel ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return 0; switch(rel) { case GW_HWNDFIRST: if (wndPtr->parent) return wndPtr->parent->child->hwndSelf; else return 0; case GW_HWNDLAST: if (!wndPtr->parent) return 0; /* Desktop window */ while (wndPtr->next) wndPtr = wndPtr->next; return wndPtr->hwndSelf; case GW_HWNDNEXT: if (!wndPtr->next) return 0; return wndPtr->next->hwndSelf; case GW_HWNDPREV: if (!wndPtr->parent) return 0; /* Desktop window */ wndPtr = wndPtr->parent->child; /* First sibling */ if (wndPtr->hwndSelf == hwnd) return 0; /* First in list */ while (wndPtr->next) { if (wndPtr->next->hwndSelf == hwnd) return wndPtr->hwndSelf; wndPtr = wndPtr->next; } return 0; case GW_OWNER: return wndPtr->owner ? wndPtr->owner->hwndSelf : 0; case GW_CHILD: return wndPtr->child ? wndPtr->child->hwndSelf : 0; } return 0; } /******************************************************************* * GetNextWindow (USER.230) */ HWND GetNextWindow( HWND hwnd, WORD flag ) { if ((flag != GW_HWNDNEXT) && (flag != GW_HWNDPREV)) return 0; return GetWindow( hwnd, flag ); } /******************************************************************* * ShowOwnedPopups (USER.265) */ void ShowOwnedPopups( HWND owner, BOOL fShow ) { WND *pWnd = pWndDesktop->child; while (pWnd) { if (pWnd->owner && (pWnd->owner->hwndSelf == owner) && (pWnd->dwStyle & WS_POPUP)) ShowWindow( pWnd->hwndSelf, fShow ? SW_SHOW : SW_HIDE ); pWnd = pWnd->next; } } /******************************************************************* * GetLastActivePopup (USER.287) */ HWND GetLastActivePopup(HWND hwnd) { WND *wndPtr; wndPtr = WIN_FindWndPtr(hwnd); if (wndPtr == NULL) return hwnd; return wndPtr->hwndLastActive; } /******************************************************************* * WIN_BuildWinArray * * Build an array of pointers to all children of a given window. * The array must be freed with HeapFree(SystemHeap). */ WND **WIN_BuildWinArray( WND *wndPtr ) { WND **list, **ppWnd; WND *pWnd; INT32 count; /* First count the windows */ if (!wndPtr) wndPtr = pWndDesktop; for (pWnd = wndPtr->child, count = 0; pWnd; pWnd = pWnd->next) count++; count++; /* For the terminating NULL */ /* Now build the list of all windows */ if (!(list = (WND **)HeapAlloc( SystemHeap, 0, sizeof(WND *) * count ))) return NULL; for (pWnd = wndPtr->child, ppWnd = list; pWnd; pWnd = pWnd->next) *ppWnd++ = pWnd; *ppWnd = NULL; return list; } /******************************************************************* * EnumWindows16 (USER.54) */ BOOL16 EnumWindows16( WNDENUMPROC16 lpEnumFunc, LPARAM lParam ) { WND **list, **ppWnd; /* 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_BuildWinArray( pWndDesktop ))) return FALSE; /* Now call the callback function for every window */ for (ppWnd = list; *ppWnd; ppWnd++) { /* Make sure that the window still exists */ if (!IsWindow((*ppWnd)->hwndSelf)) continue; if (!CallEnumWindowsProc16( (FARPROC16)lpEnumFunc, (*ppWnd)->hwndSelf, lParam )) break; } HeapFree( SystemHeap, 0, list ); return TRUE; } /******************************************************************* * EnumWindows32 (USER32.192) */ BOOL32 EnumWindows32( WNDENUMPROC32 lpEnumFunc, LPARAM lParam ) { WND **list, **ppWnd; /* 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_BuildWinArray( pWndDesktop ))) return FALSE; /* Now call the callback function for every window */ for (ppWnd = list; *ppWnd; ppWnd++) { /* Make sure that the window still exists */ if (!IsWindow((*ppWnd)->hwndSelf)) continue; if (!CallEnumWindowsProc32( lpEnumFunc, (*ppWnd)->hwndSelf, lParam )) break; } HeapFree( SystemHeap, 0, list ); return TRUE; } /********************************************************************** * EnumTaskWindows16 (USER.225) */ BOOL16 EnumTaskWindows16( HTASK16 hTask, WNDENUMPROC16 func, LPARAM lParam ) { WND **list, **ppWnd; HANDLE hQueue = GetTaskQueue( hTask ); /* This function is the same as EnumWindows(), */ /* except for an added check on the window queue. */ if (!(list = WIN_BuildWinArray( pWndDesktop ))) return FALSE; /* Now call the callback function for every window */ for (ppWnd = list; *ppWnd; ppWnd++) { /* Make sure that the window still exists */ if (!IsWindow((*ppWnd)->hwndSelf)) continue; if ((*ppWnd)->hmemTaskQ != hQueue) continue; /* Check the queue */ if (!CallEnumWindowsProc16( (FARPROC16)func, (*ppWnd)->hwndSelf, lParam )) break; } HeapFree( SystemHeap, 0, list ); return TRUE; } /********************************************************************** * EnumThreadWindows (USER32.189) */ BOOL32 EnumThreadWindows( DWORD id, WNDENUMPROC32 func, LPARAM lParam ) { WND **list, **ppWnd; HANDLE hQueue = GetTaskQueue( (DWORD)id ); if (!(list = WIN_BuildWinArray( pWndDesktop ))) return FALSE; /* Now call the callback function for every window */ for (ppWnd = list; *ppWnd; ppWnd++) { /* Make sure that the window still exists */ if (!IsWindow((*ppWnd)->hwndSelf)) continue; if ((*ppWnd)->hmemTaskQ != hQueue) continue; /* Check the queue */ if (!CallEnumWindowsProc32( func, (*ppWnd)->hwndSelf, lParam )) break; } HeapFree( SystemHeap, 0, list ); return TRUE; } /********************************************************************** * WIN_EnumChildWindows16 * * Helper function for EnumChildWindows16(). */ static BOOL16 WIN_EnumChildWindows16( WND **ppWnd, WNDENUMPROC16 func, LPARAM lParam ) { WND **childList; BOOL16 ret = FALSE; while (*ppWnd) { /* Make sure that the window still exists */ if (!IsWindow((*ppWnd)->hwndSelf)) continue; /* Build children list first */ if (!(childList = WIN_BuildWinArray( *ppWnd ))) return FALSE; if (!CallEnumWindowsProc16((FARPROC16)func,(*ppWnd)->hwndSelf,lParam)) return FALSE; ret = WIN_EnumChildWindows16( childList, func, lParam ); HeapFree( SystemHeap, 0, childList ); if (!ret) return FALSE; ppWnd++; } return TRUE; } /********************************************************************** * WIN_EnumChildWindows32 * * Helper function for EnumChildWindows32(). */ static BOOL32 WIN_EnumChildWindows32( WND **ppWnd, WNDENUMPROC32 func, LPARAM lParam ) { WND **childList; BOOL32 ret = FALSE; while (*ppWnd) { /* Make sure that the window still exists */ if (!IsWindow((*ppWnd)->hwndSelf)) continue; /* Build children list first */ if (!(childList = WIN_BuildWinArray( *ppWnd ))) return FALSE; if (!CallEnumWindowsProc32( func, (*ppWnd)->hwndSelf, lParam )) return FALSE; ret = WIN_EnumChildWindows32( childList, func, lParam ); HeapFree( SystemHeap, 0, childList ); if (!ret) return FALSE; ppWnd++; } return TRUE; } /********************************************************************** * EnumChildWindows16 (USER.55) */ BOOL16 EnumChildWindows16( HWND16 parent, WNDENUMPROC16 func, LPARAM lParam ) { WND **list, *pParent; if (!(pParent = WIN_FindWndPtr( parent ))) return FALSE; if (!(list = WIN_BuildWinArray( pParent ))) return FALSE; WIN_EnumChildWindows16( list, func, lParam ); HeapFree( SystemHeap, 0, list ); return TRUE; } /********************************************************************** * EnumChildWindows32 (USER32.177) */ BOOL32 EnumChildWindows32( HWND32 parent, WNDENUMPROC32 func, LPARAM lParam ) { WND **list, *pParent; if (!(pParent = WIN_FindWndPtr( parent ))) return FALSE; if (!(list = WIN_BuildWinArray( pParent ))) return FALSE; WIN_EnumChildWindows32( list, func, lParam ); HeapFree( SystemHeap, 0, list ); return TRUE; } /******************************************************************* * AnyPopup (USER.52) */ BOOL AnyPopup(void) { WND *wndPtr; for (wndPtr = pWndDesktop->child; wndPtr; wndPtr = wndPtr->next) if (wndPtr->owner && (wndPtr->dwStyle & WS_VISIBLE)) return TRUE; return FALSE; } /******************************************************************* * FlashWindow [USER.105] */ BOOL FlashWindow(HWND hWnd, BOOL bInvert) { WND *wndPtr = WIN_FindWndPtr(hWnd); dprintf_win(stddeb,"FlashWindow: %04x\n", hWnd); if (!wndPtr) return FALSE; if (wndPtr->dwStyle & WS_MINIMIZE) { if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED)) { HDC hDC = GetDC(hWnd); if (!SendMessage16( hWnd, WM_ERASEBKGND, (WPARAM)hDC, (LPARAM)0 )) wndPtr->flags |= WIN_NEEDS_ERASEBKGND; ReleaseDC( hWnd, hDC ); wndPtr->flags |= WIN_NCACTIVATED; } else { RedrawWindow32( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME ); wndPtr->flags &= ~WIN_NCACTIVATED; } return TRUE; } else { WPARAM wparam; if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED); else wparam = (hWnd == GetActiveWindow()); SendMessage16( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 ); return wparam; } } /******************************************************************* * SetSysModalWindow [USER.188] */ HWND SetSysModalWindow(HWND hWnd) { HWND hWndOldModal = hwndSysModal; hwndSysModal = hWnd; dprintf_win(stdnimp,"EMPTY STUB !! SetSysModalWindow(%04x) !\n", hWnd); return hWndOldModal; } /******************************************************************* * GetSysModalWindow [USER.189] */ HWND GetSysModalWindow(void) { return hwndSysModal; } /******************************************************************* * DRAG_QueryUpdate * * recursively find a child that contains spDragInfo->pt point * and send WM_QUERYDROPOBJECT */ BOOL DRAG_QueryUpdate( HWND hQueryWnd, SEGPTR spDragInfo ) { BOOL wParam,bResult = 0; POINT16 pt; LPDRAGINFO ptrDragInfo = (LPDRAGINFO) PTR_SEG_TO_LIN(spDragInfo); WND *ptrQueryWnd = WIN_FindWndPtr(hQueryWnd),*ptrWnd; RECT16 tempRect; /* this sucks */ if( !ptrQueryWnd || !ptrDragInfo ) return 0; pt = ptrDragInfo->pt; GetWindowRect16(hQueryWnd,&tempRect); if( !PtInRect16(&tempRect,pt) || (ptrQueryWnd->dwStyle & WS_DISABLED) ) return 0; if( !(ptrQueryWnd->dwStyle & WS_MINIMIZE) ) { tempRect = ptrQueryWnd->rectClient; if(ptrQueryWnd->dwStyle & WS_CHILD) MapWindowPoints16(ptrQueryWnd->parent->hwndSelf,0,(LPPOINT16)&tempRect,2); if( PtInRect16(&tempRect,pt) ) { wParam = 0; for (ptrWnd = ptrQueryWnd->child; ptrWnd ;ptrWnd = ptrWnd->next) if( ptrWnd->dwStyle & WS_VISIBLE ) { GetWindowRect16(ptrWnd->hwndSelf,&tempRect); if( PtInRect16(&tempRect,pt) ) break; } if(ptrWnd) { dprintf_msg(stddeb,"DragQueryUpdate: hwnd = %04x, %d %d - %d %d\n", ptrWnd->hwndSelf, ptrWnd->rectWindow.left, ptrWnd->rectWindow.top, ptrWnd->rectWindow.right, ptrWnd->rectWindow.bottom ); if( !(ptrWnd->dwStyle & WS_DISABLED) ) bResult = DRAG_QueryUpdate(ptrWnd->hwndSelf, spDragInfo); } if(bResult) return bResult; } else wParam = 1; } else wParam = 1; ScreenToClient16(hQueryWnd,&ptrDragInfo->pt); ptrDragInfo->hScope = hQueryWnd; bResult = SendMessage16( hQueryWnd ,WM_QUERYDROPOBJECT , (WPARAM)wParam ,(LPARAM) spDragInfo ); if( !bResult ) ptrDragInfo->pt = pt; return bResult; } /******************************************************************* * DragDetect ( USER.465 ) * */ BOOL16 DragDetect(HWND16 hWnd, POINT16 pt) { MSG16 msg; RECT16 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(PeekMessage16(&msg ,0 ,WM_MOUSEFIRST ,WM_MOUSELAST ,PM_REMOVE)) { if( msg.message == WM_LBUTTONUP ) { ReleaseCapture(); return 0; } if( msg.message == WM_MOUSEMOVE ) { if( !PtInRect16( &rect, MAKEPOINT16(msg.lParam) ) ) { ReleaseCapture(); return 1; } } } WaitMessage(); } return 0; } /****************************************************************************** * DragObject ( USER.464 ) * */ DWORD DragObject(HWND hwndScope, HWND hWnd, WORD wObj, HANDLE hOfStruct, WORD szList , HCURSOR hCursor) { MSG16 msg; LPDRAGINFO lpDragInfo; SEGPTR spDragInfo; HCURSOR hDragCursor=0, hOldCursor=0, hBummer=0; HANDLE hDragInfo = GlobalAlloc16( GMEM_SHARE | GMEM_ZEROINIT, 2*sizeof(DRAGINFO)); WND *wndPtr = WIN_FindWndPtr(hWnd); DWORD dwRet = 0; short dragDone = 0; HCURSOR hCurrentCursor = 0; HWND hCurrentWnd = 0; WORD btemp; lpDragInfo = (LPDRAGINFO) GlobalLock16(hDragInfo); spDragInfo = (SEGPTR) WIN16_GlobalLock16(hDragInfo); if( !lpDragInfo || !spDragInfo ) return 0L; hBummer = LoadCursor(0,IDC_BUMMER); if( !hBummer || !wndPtr ) { GlobalFree16(hDragInfo); return 0L; } if(hCursor) { if( !(hDragCursor = CURSORICON_IconToCursor(hCursor)) ) { 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(1); while( !dragDone ) { WaitMessage(); if( !PeekMessage16(&msg,0,WM_MOUSEFIRST,WM_MOUSELAST,PM_REMOVE) ) continue; *(lpDragInfo+1) = *lpDragInfo; lpDragInfo->pt = msg.pt; /* update DRAGINFO struct */ dprintf_msg(stddeb,"drag: lpDI->hScope = %04x\n",lpDragInfo->hScope); if( (btemp = (WORD)DRAG_QueryUpdate(hwndScope, spDragInfo)) > 0 ) hCurrentCursor = hCursor; else { hCurrentCursor = hBummer; lpDragInfo->hScope = 0; } if( hCurrentCursor ) SetCursor(hCurrentCursor); dprintf_msg(stddeb,"drag: got %04x\n",btemp); /* send WM_DRAGLOOP */ SendMessage16( hWnd, WM_DRAGLOOP, (WPARAM)(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(DRAGINFO), HIWORD(spDragInfo)) ); hCurrentWnd = lpDragInfo->hScope; if( hCurrentWnd ) SendMessage16( hCurrentWnd, WM_DRAGSELECT, 1, (LPARAM)spDragInfo); } else if( hCurrentWnd ) SendMessage16( hCurrentWnd, WM_DRAGMOVE, 0, (LPARAM)spDragInfo); /* check if we're done */ if( msg.message == WM_LBUTTONUP || msg.message == WM_NCLBUTTONUP ) dragDone = TRUE; } ReleaseCapture(); ShowCursor(0); if( hCursor ) { SetCursor(hOldCursor); if( hDragCursor ) DestroyCursor(hDragCursor); } if( hCurrentCursor != hBummer ) dwRet = SendMessage16( lpDragInfo->hScope, WM_DROPOBJECT, (WPARAM)hWnd, (LPARAM)spDragInfo ); GlobalFree16(hDragInfo); return dwRet; }