/* * Window related functions * * Copyright 1993, 1994 Alexandre Julliard */ #include #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 "queue.h" #include "winpos.h" #include "color.h" #include "shm_main_blk.h" #include "dde_proc.h" #include "clipboard.h" #include "winproc.h" #include "thread.h" #include "stddebug.h" /* #define DEBUG_WIN */ /* #define DEBUG_MENU */ #include "debug.h" /* Desktop window */ static WND *pWndDesktop = NULL; static HWND32 hwndSysModal = 0; static WORD wDragWidth = 4; static WORD wDragHeight= 3; extern BOOL32 ICONTITLE_Init(void); extern BOOL32 MENU_PatchResidentPopup( HQUEUE16, WND* ); extern HWND32 CARET_GetHwnd(void); extern BOOL32 EVENT_CheckFocus(void); /*********************************************************************** * WIN_FindWndPtr * * Return a pointer to the WND structure corresponding to a HWND. */ WND * WIN_FindWndPtr( HWND32 hwnd ) { WND * ptr; if (!hwnd || HIWORD(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( HWND32 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 dce=%p idmenu=%08x\n" "style=%08lx exstyle=%08lx wndproc=%08x text='%s'\n" "client=%d,%d-%d,%d window=%d,%d-%d,%d" "sysmenu=%04x flags=%04x props=%p 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->dce, 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->hSysMenu, ptr->flags, ptr->pProp, 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( HWND32 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( HWND32 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. */ BOOL32 WIN_UnlinkWindow( HWND32 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. */ BOOL32 WIN_LinkWindow( HWND32 hwnd, HWND32 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. */ HWND32 WIN_FindWinToRepaint( HWND32 hwnd, HQUEUE16 hQueue ) { HWND32 hwndRet; WND *pWnd = pWndDesktop; /* Note: the desktop window never gets WM_PAINT messages * The real reason why is because Windows DesktopWndProc * does ValidateRgn inside WM_ERASEBKGND handler. */ pWnd = hwnd ? WIN_FindWndPtr( hwnd ) : pWndDesktop->child; for ( ; pWnd ; pWnd = pWnd->next ) { if (!(pWnd->dwStyle & WS_VISIBLE)) { 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_DestroyWindow * * Destroy storage associated to a window. "Internals" p.358 */ static WND* WIN_DestroyWindow( WND* wndPtr ) { HWND32 hwnd = wndPtr->hwndSelf; WND *pWnd; dprintf_win( stddeb, "WIN_DestroyWindow: %04x\n", wndPtr->hwndSelf ); #ifdef CONFIG_IPC if (main_block) DDE_DestroyWindow(wndPtr->hwndSelf); #endif /* CONFIG_IPC */ /* free child windows */ while ((pWnd = wndPtr->child)) wndPtr->child = WIN_DestroyWindow( pWnd ); SendMessage32A( wndPtr->hwndSelf, WM_NCDESTROY, 0, 0); /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */ WINPOS_CheckInternalPos( hwnd ); if( hwnd == GetCapture32()) ReleaseCapture(); /* free resources associated with the window */ TIMER_RemoveWindowTimers( wndPtr->hwndSelf ); PROPERTY_RemoveWindowProps( wndPtr ); wndPtr->dwMagic = 0; /* Mark it as invalid */ wndPtr->hwndSelf = 0; if ((wndPtr->hrgnUpdate) || (wndPtr->flags & WIN_INTERNAL_PAINT)) { if (wndPtr->hrgnUpdate > 1) DeleteObject32( wndPtr->hrgnUpdate ); QUEUE_DecPaintCount( wndPtr->hmemTaskQ ); } /* toss stale messages from the queue */ if( wndPtr->hmemTaskQ ) { int pos; BOOL32 bPostQuit = FALSE; WPARAM32 wQuitParam = 0; MESSAGEQUEUE* msgQ = (MESSAGEQUEUE*) GlobalLock16(wndPtr->hmemTaskQ); while( (pos = QUEUE_FindMsg(msgQ, hwnd, 0, 0)) != -1 ) { if( msgQ->messages[pos].msg.message == WM_QUIT ) { bPostQuit = TRUE; wQuitParam = msgQ->messages[pos].msg.wParam; } QUEUE_RemoveMsg(msgQ, pos); } /* repost WM_QUIT to make sure this app exits its message loop */ if( bPostQuit ) PostQuitMessage32(wQuitParam); wndPtr->hmemTaskQ = 0; } if (!(wndPtr->dwStyle & WS_CHILD)) if (wndPtr->wIDmenu) DestroyMenu32( (HMENU32)wndPtr->wIDmenu ); if (wndPtr->hSysMenu) DestroyMenu32( wndPtr->hSysMenu ); if (wndPtr->window) EVENT_DestroyWindow( wndPtr ); if (wndPtr->class->style & CS_OWNDC) DCE_FreeWindowDCE( wndPtr ); WINPROC_FreeProc( wndPtr->winproc, WIN_PROC_WINDOW ); wndPtr->class->cWindows--; wndPtr->class = NULL; pWnd = wndPtr->next; USER_HEAP_FREE( hwnd ); return pWnd; } /*********************************************************************** * WIN_ResetQueueWindows * * Reset the queue of all the children of a given window. * Return TRUE if something was done. */ BOOL32 WIN_ResetQueueWindows( WND* wnd, HQUEUE16 hQueue, HQUEUE16 hNew ) { BOOL32 ret = FALSE; if (hNew) /* Set a new queue */ { for (wnd = wnd->child; (wnd); wnd = wnd->next) { if (wnd->hmemTaskQ == hQueue) { wnd->hmemTaskQ = hNew; ret = TRUE; } if (wnd->child) ret |= WIN_ResetQueueWindows( wnd->child, hQueue, hNew ); } } else /* Queue is being destroyed */ { while (wnd->child) { WND *tmp = wnd->child; ret = FALSE; while (tmp) { if (tmp->hmemTaskQ == hQueue) { DestroyWindow32( tmp->hwndSelf ); ret = TRUE; break; } if (tmp->child && WIN_ResetQueueWindows(tmp->child,hQueue,0)) ret = TRUE; else tmp = tmp->next; } if (!ret) break; } } return ret; } /*********************************************************************** * WIN_CreateDesktopWindow * * Create the desktop window. */ BOOL32 WIN_CreateDesktopWindow(void) { CLASS *class; HWND32 hwndDesktop; dprintf_win(stddeb,"Creating desktop window\n"); if (!ICONTITLE_Init() || !WINPOS_CreateInternalPosAtom() || !(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->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->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->dce = NULL; pWndDesktop->pVScroll = NULL; pWndDesktop->pHScroll = NULL; pWndDesktop->pProp = NULL; pWndDesktop->wIDmenu = 0; pWndDesktop->flags = 0; pWndDesktop->window = rootWindow; pWndDesktop->hSysMenu = 0; pWndDesktop->userdata = 0; pWndDesktop->winproc = (WNDPROC16)class->winproc; EVENT_RegisterWindow( pWndDesktop ); SendMessage32A( hwndDesktop, WM_NCCREATE, 0, 0 ); pWndDesktop->flags |= WIN_NEEDS_ERASEBKGND; return TRUE; } /*********************************************************************** * WIN_CreateWindowEx * * Implementation of CreateWindowEx(). */ static HWND32 WIN_CreateWindowEx( CREATESTRUCT32A *cs, ATOM classAtom, BOOL32 win32, BOOL32 unicode ) { CLASS *classPtr; WND *wndPtr; HWND16 hwnd, hwndLinkAfter; POINT32 maxSize, maxPos, minTrack, maxTrack; LRESULT (WINAPI *localSend32)(HWND32, UINT32, WPARAM32, LPARAM); 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 %08x %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 (!IsWindow32( cs->hwndParent )) { fprintf( stderr, "CreateWindowEx: bad parent %04x\n", cs->hwndParent ); return 0; } } else if ((cs->style & WS_CHILD) && !(cs->style & WS_POPUP)) { fprintf( stderr, "CreateWindowEx: 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_FindClassByAtom( classAtom, win32?cs->hInstance: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; if ((cs->style & WS_CHILD) && cs->hwndParent) { wndPtr->parent = WIN_FindWndPtr( cs->hwndParent ); wndPtr->owner = NULL; } else { wndPtr->parent = pWndDesktop; if (!cs->hwndParent || (cs->hwndParent == pWndDesktop->hwndSelf)) wndPtr->owner = NULL; else wndPtr->owner = WIN_GetTopParentPtr(WIN_FindWndPtr(cs->hwndParent)); } wndPtr->window = 0; wndPtr->class = classPtr; wndPtr->winproc = classPtr->winproc; wndPtr->dwMagic = WND_MAGIC; wndPtr->hwndSelf = hwnd; wndPtr->hInstance = cs->hInstance; 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 = win32 ? WIN_ISWIN32 : 0; wndPtr->pVScroll = NULL; wndPtr->pHScroll = NULL; wndPtr->pProp = NULL; wndPtr->userdata = 0; wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0; if (classPtr->cbWndExtra) memset( wndPtr->wExtra, 0, classPtr->cbWndExtra); /* Call the WH_CBT hook */ hwndLinkAfter = (cs->style & WS_CHILD) ? HWND_BOTTOM : HWND_TOP; if (HOOK_IsHooked( WH_CBT )) { CBT_CREATEWND32A cbtc; cbtc.lpcs = cs; cbtc.hwndInsertAfter = hwndLinkAfter; if ( HOOK_CallHooks32A(WH_CBT, HCBT_CREATEWND, hwnd, (LPARAM)&cbtc) ) { dprintf_win(stddeb, "CreateWindowEx: CBT-hook returned 0\n"); USER_HEAP_FREE( hwnd ); return 0; } } /* Increment class window counter */ classPtr->cWindows++; /* 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->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC); else if (classPtr->style & CS_CLASSDC) wndPtr->dce = classPtr->dce; else wndPtr->dce = NULL; /* Insert the window in the linked list */ WIN_LinkWindow( hwnd, hwndLinkAfter ); /* Send the WM_GETMINMAXINFO message and fix the size if needed */ if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD))) { WINPOS_GetMinMaxInfo( wndPtr, &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->style & WS_CHILD) { if(cs->cx < 0) cs->cx = 0; if(cs->cy < 0) cs->cy = 0; } else { 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; /* 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; 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_GetColormap(); win_attr.backing_store = Options.backingstore ? WhenMapped : NotUseful; win_attr.save_under = ((classPtr->style & CS_SAVEBITS) != 0); win_attr.cursor = CURSORICON_XCursor; wndPtr->window = TSXCreateWindow( display, rootWindow, cs->x, cs->y, cs->cx, cs->cy, 0, CopyFromParent, InputOutput, CopyFromParent, CWEventMask | CWOverrideRedirect | CWColormap | CWCursor | CWSaveUnder | CWBackingStore, &win_attr ); if ((wndPtr->flags & WIN_MANAGED) && (cs->dwExStyle & WS_EX_DLGMODALFRAME)) { XSizeHints* size_hints = TSXAllocSizeHints(); if (size_hints) { size_hints->min_width = size_hints->max_width = cs->cx; size_hints->min_height = size_hints->max_height = cs->cy; size_hints->flags = (PSize | PMinSize | PMaxSize); TSXSetWMSizeHints( display, wndPtr->window, size_hints, XA_WM_NORMAL_HINTS ); TSXFree(size_hints); } } if (cs->hwndParent) /* Get window owner */ { Window win = WIN_GetXWindow( cs->hwndParent ); if (win) TSXSetTransientForHint( display, wndPtr->window, win ); } EVENT_RegisterWindow( wndPtr ); } /* Set the window menu */ if ((wndPtr->dwStyle & (WS_CAPTION | WS_CHILD)) == WS_CAPTION ) { if (cs->hMenu) SetMenu32(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 (HIWORD(cs->hInstance)) cs->hMenu = LoadMenu32A(cs->hInstance,PTR_SEG_TO_LIN(menuName)); else cs->hMenu = LoadMenu16(cs->hInstance,menuName); #endif } if (cs->hMenu) SetMenu32( hwnd, cs->hMenu ); } else wndPtr->wIDmenu = (UINT32)cs->hMenu; /* Send the WM_CREATE message * Perhaps we shouldn't allow width/height changes as well. * See p327 in "Internals". */ maxPos.x = wndPtr->rectWindow.left; maxPos.y = wndPtr->rectWindow.top; localSend32 = unicode ? SendMessage32W : SendMessage32A; if( (*localSend32)( hwnd, WM_NCCREATE, 0, (LPARAM)cs) ) { WINPOS_SendNCCalcSize( hwnd, FALSE, &wndPtr->rectWindow, NULL, NULL, 0, &wndPtr->rectClient ); OffsetRect32(&wndPtr->rectWindow, maxPos.x - wndPtr->rectWindow.left, maxPos.y - wndPtr->rectWindow.top); if( ((*localSend32)( hwnd, WM_CREATE, 0, (LPARAM)cs )) != -1 ) { /* Send the size messages */ if (!(wndPtr->flags & WIN_NEED_SIZE)) { /* send it anyway */ SendMessage32A( hwnd, WM_SIZE, SIZE_RESTORED, MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left, wndPtr->rectClient.bottom-wndPtr->rectClient.top)); SendMessage32A( hwnd, WM_MOVE, 0, MAKELONG( wndPtr->rectClient.left, wndPtr->rectClient.top ) ); } /* Show the window, maximizing or minimizing if needed */ if (wndPtr->dwStyle & (WS_MINIMIZE | WS_MAXIMIZE)) { RECT16 newPos; UINT16 swFlag = (wndPtr->dwStyle & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE; wndPtr->dwStyle &= ~(WS_MAXIMIZE | WS_MINIMIZE); WINPOS_MinMaximize( wndPtr, swFlag, &newPos ); swFlag = ((wndPtr->dwStyle & WS_CHILD) || GetActiveWindow32()) ? SWP_NOACTIVATE : 0; SetWindowPos32( hwnd, 0, newPos.left, newPos.top, newPos.right, newPos.bottom, SWP_FRAMECHANGED | swFlag ); } if( wndPtr->dwStyle & WS_CHILD && !(wndPtr->dwExStyle & WS_EX_NOPARENTNOTIFY) ) { /* Notify the parent window only */ SendMessage32A( wndPtr->parent->hwndSelf, WM_PARENTNOTIFY, MAKEWPARAM(WM_CREATE, wndPtr->wIDmenu), (LPARAM)hwnd ); if( !IsWindow32(hwnd) ) return 0; } if (cs->style & WS_VISIBLE) ShowWindow32( hwnd, SW_SHOW ); /* Call WH_SHELL hook */ if (!(wndPtr->dwStyle & WS_CHILD) && !wndPtr->owner) HOOK_CallHooks16( WH_SHELL, HSHELL_WINDOWCREATED, hwnd, 0 ); dprintf_win(stddeb, "CreateWindowEx: created window %04x\n", hwnd); return hwnd; } } /* Abort window creation */ dprintf_win(stddeb,"CreateWindowEx: aborted by WM_xxCREATE!\n"); WIN_UnlinkWindow( hwnd ); WIN_DestroyWindow( wndPtr ); return 0; } /*********************************************************************** * CreateWindow16 (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 ); } /*********************************************************************** * CreateWindowEx16 (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; 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, FALSE ); } /*********************************************************************** * CreateWindowEx32A (USER32.82) */ HWND32 WINAPI 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, TRUE, FALSE ); } /*********************************************************************** * CreateWindowEx32W (USER32.83) */ HWND32 WINAPI 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 ))) { if (HIWORD(className)) { LPSTR cn = HEAP_strdupWtoA( GetProcessHeap(), 0, className ); fprintf( stderr, "CreateWindowEx32W: bad class name '%s'\n",cn); HeapFree( GetProcessHeap(), 0, cn ); } else 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, TRUE ); } /*********************************************************************** * WIN_CheckFocus */ static void WIN_CheckFocus( WND* pWnd ) { if( GetFocus16() == pWnd->hwndSelf ) SetFocus16( (pWnd->dwStyle & WS_CHILD) ? pWnd->parent->hwndSelf : 0 ); } /*********************************************************************** * WIN_SendDestroyMsg */ static void WIN_SendDestroyMsg( WND* pWnd ) { WIN_CheckFocus(pWnd); if( CARET_GetHwnd() == pWnd->hwndSelf ) DestroyCaret32(); if( !pWnd->window ) CLIPBOARD_ResetOwner( pWnd ); SendMessage32A( pWnd->hwndSelf, WM_DESTROY, 0, 0); if( IsWindow32(pWnd->hwndSelf) ) { WND* pChild = pWnd->child; while( pChild ) { WIN_SendDestroyMsg( pChild ); pChild = pChild->next; } WIN_CheckFocus(pWnd); } else dprintf_win(stddeb,"\tdestroyed itself while in WM_DESTROY!\n"); } /*********************************************************************** * DestroyWindow16 (USER.53) */ BOOL16 WINAPI DestroyWindow16( HWND16 hwnd ) { return DestroyWindow32(hwnd); } /*********************************************************************** * DestroyWindow32 (USER32.134) */ BOOL32 WINAPI DestroyWindow32( HWND32 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 */ /* Call hooks */ if( HOOK_CallHooks16( WH_CBT, HCBT_DESTROYWND, hwnd, 0L) ) return FALSE; if (!(wndPtr->dwStyle & WS_CHILD) && !wndPtr->owner) { HOOK_CallHooks16( WH_SHELL, HSHELL_WINDOWDESTROYED, 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 */ SendMessage32A( wndPtr->parent->hwndSelf, WM_PARENTNOTIFY, MAKEWPARAM(WM_DESTROY, wndPtr->wIDmenu), (LPARAM)hwnd ); if( !IsWindow32(hwnd) ) return TRUE; } if( wndPtr->window ) CLIPBOARD_ResetOwner( wndPtr ); /* before the window is unmapped */ /* Hide the window */ if (wndPtr->dwStyle & WS_VISIBLE) { SetWindowPos32( hwnd, 0, 0, 0, 0, 0, SWP_HIDEWINDOW | SWP_NOACTIVATE|SWP_NOZORDER|SWP_NOMOVE|SWP_NOSIZE| ((QUEUE_IsExitingQueue(wndPtr->hmemTaskQ))?SWP_DEFERERASE:0) ); if (!IsWindow32(hwnd)) return TRUE; } /* Recursively destroy owned windows */ if( !(wndPtr->dwStyle & WS_CHILD) ) { /* make sure top menu popup doesn't get destroyed */ MENU_PatchResidentPopup( (HQUEUE16)0xFFFF, wndPtr ); for (;;) { WND *siblingPtr = wndPtr->parent->child; /* First sibling */ while (siblingPtr) { if (siblingPtr->owner == wndPtr) if (siblingPtr->hmemTaskQ == wndPtr->hmemTaskQ) break; else siblingPtr->owner = NULL; siblingPtr = siblingPtr->next; } if (siblingPtr) DestroyWindow32( siblingPtr->hwndSelf ); else break; } if( !Options.managed || EVENT_CheckFocus() ) WINPOS_ActivateOtherWindow(wndPtr); if( wndPtr->owner && wndPtr->owner->hwndLastActive == wndPtr->hwndSelf ) wndPtr->owner->hwndLastActive = wndPtr->owner->hwndSelf; } /* Send destroy messages */ WIN_SendDestroyMsg( wndPtr ); if (!IsWindow32(hwnd)) return TRUE; /* Unlink now so we won't bother with the children later on */ if( wndPtr->parent ) WIN_UnlinkWindow(hwnd); /* Destroy the window storage */ WIN_DestroyWindow( wndPtr ); return TRUE; } /*********************************************************************** * CloseWindow16 (USER.43) */ BOOL16 WINAPI CloseWindow16( HWND16 hwnd ) { return CloseWindow32( hwnd ); } /*********************************************************************** * CloseWindow32 (USER32.55) */ BOOL32 WINAPI CloseWindow32( HWND32 hwnd ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr || (wndPtr->dwStyle & WS_CHILD)) return FALSE; ShowWindow32( hwnd, SW_MINIMIZE ); return TRUE; } /*********************************************************************** * OpenIcon16 (USER.44) */ BOOL16 WINAPI OpenIcon16( HWND16 hwnd ) { return OpenIcon32( hwnd ); } /*********************************************************************** * OpenIcon32 (USER32.409) */ BOOL32 WINAPI OpenIcon32( HWND32 hwnd ) { if (!IsIconic32( hwnd )) return FALSE; ShowWindow32( hwnd, SW_SHOWNORMAL ); return TRUE; } /*********************************************************************** * WIN_FindWindow * * Implementation of FindWindow() and FindWindowEx(). */ static HWND32 WIN_FindWindow( HWND32 parent, HWND32 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, GetExePtr(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 WINAPI FindWindow16( SEGPTR className, LPCSTR title ) { return FindWindowEx16( 0, 0, className, title ); } /*********************************************************************** * FindWindowEx16 (USER.427) */ HWND16 WINAPI FindWindowEx16( HWND16 parent, HWND16 child, SEGPTR className, LPCSTR title ) { ATOM atom = 0; dprintf_win(stddeb, "FindWindowEx16: %04x %04x '%s' '%s'\n", parent, child, HIWORD(className)?(char *)PTR_SEG_TO_LIN(className):"", title ? title : ""); if (className) { /* If the atom doesn't exist, then no class */ /* with this name exists either. */ if (!(atom = GlobalFindAtom16( className ))) return 0; } return WIN_FindWindow( parent, child, atom, title ); } /*********************************************************************** * FindWindow32A (USER32.197) */ HWND32 WINAPI FindWindow32A( LPCSTR className, LPCSTR title ) { return FindWindowEx32A( 0, 0, className, title ); } /*********************************************************************** * FindWindowEx32A (USER32.198) */ HWND32 WINAPI FindWindowEx32A( HWND32 parent, HWND32 child, LPCSTR className, LPCSTR title ) { ATOM atom = 0; if (className) { /* If the atom doesn't exist, then no class */ /* with this name exists either. */ if (!(atom = GlobalFindAtom32A( className ))) return 0; } return WIN_FindWindow( parent, child, atom, title ); } /*********************************************************************** * FindWindowEx32W (USER32.199) */ HWND32 WINAPI FindWindowEx32W( HWND32 parent, HWND32 child, LPCWSTR className, LPCWSTR title ) { ATOM atom = 0; char *buffer; HWND32 hwnd; if (className) { /* If the atom doesn't exist, then no class */ /* with this name exists either. */ if (!(atom = GlobalFindAtom32W( className ))) return 0; } buffer = HEAP_strdupWtoA( GetProcessHeap(), 0, title ); hwnd = WIN_FindWindow( parent, child, atom, buffer ); HeapFree( GetProcessHeap(), 0, buffer ); return hwnd; } /*********************************************************************** * FindWindow32W (USER32.200) */ HWND32 WINAPI FindWindow32W( LPCWSTR className, LPCWSTR title ) { return FindWindowEx32W( 0, 0, className, title ); } /********************************************************************** * WIN_GetDesktop */ WND *WIN_GetDesktop(void) { return pWndDesktop; } /********************************************************************** * GetDesktopWindow16 (USER.286) */ HWND16 WINAPI GetDesktopWindow16(void) { return (HWND16)pWndDesktop->hwndSelf; } /********************************************************************** * GetDesktopWindow32 (USER32.231) */ HWND32 WINAPI GetDesktopWindow32(void) { return pWndDesktop->hwndSelf; } /********************************************************************** * GetDesktopHwnd (USER.278) * * Exactly the same thing as GetDesktopWindow(), but not documented. * Don't ask me why... */ HWND16 WINAPI GetDesktopHwnd(void) { return (HWND16)pWndDesktop->hwndSelf; } /******************************************************************* * EnableWindow16 (USER.34) */ BOOL16 WINAPI EnableWindow16( HWND16 hwnd, BOOL16 enable ) { return EnableWindow32( hwnd, enable ); } /******************************************************************* * EnableWindow32 (USER32.171) */ BOOL32 WINAPI EnableWindow32( HWND32 hwnd, BOOL32 enable ) { WND *wndPtr; if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; if (enable && (wndPtr->dwStyle & WS_DISABLED)) { /* Enable window */ wndPtr->dwStyle &= ~WS_DISABLED; SendMessage32A( hwnd, WM_ENABLE, TRUE, 0 ); return TRUE; } else if (!enable && !(wndPtr->dwStyle & WS_DISABLED)) { /* Disable window */ wndPtr->dwStyle |= WS_DISABLED; if ((hwnd == GetFocus32()) || IsChild32( hwnd, GetFocus32() )) SetFocus32( 0 ); /* A disabled window can't have the focus */ if ((hwnd == GetCapture32()) || IsChild32( hwnd, GetCapture32() )) ReleaseCapture(); /* A disabled window can't capture the mouse */ SendMessage32A( hwnd, WM_ENABLE, FALSE, 0 ); return FALSE; } return ((wndPtr->dwStyle & WS_DISABLED) != 0); } /*********************************************************************** * IsWindowEnabled16 (USER.35) */ BOOL16 WINAPI IsWindowEnabled16(HWND16 hWnd) { return IsWindowEnabled32(hWnd); } /*********************************************************************** * IsWindowEnabled32 (USER32.348) */ BOOL32 WINAPI IsWindowEnabled32(HWND32 hWnd) { WND * wndPtr; if (!(wndPtr = WIN_FindWndPtr(hWnd))) return FALSE; return !(wndPtr->dwStyle & WS_DISABLED); } /*********************************************************************** * IsWindowUnicode (USER32.349) */ BOOL32 WINAPI IsWindowUnicode( HWND32 hwnd ) { WND * wndPtr; if (!(wndPtr = WIN_FindWndPtr(hwnd))) return FALSE; return (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W); } /********************************************************************** * GetWindowWord16 (USER.133) */ WORD WINAPI GetWindowWord16( HWND16 hwnd, INT16 offset ) { return GetWindowWord32( hwnd, offset ); } /********************************************************************** * GetWindowWord32 (USER32.313) */ WORD WINAPI GetWindowWord32( 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, "GetWindowWord: invalid offset %d\n", offset ); return 0; } return *(WORD *)(((char *)wndPtr->wExtra) + offset); } switch(offset) { case GWW_ID: if (HIWORD(wndPtr->wIDmenu)) fprintf(stderr,"GetWindowWord32(GWW_ID) discards high bits of 0x%08x!\n",wndPtr->wIDmenu); return (WORD)wndPtr->wIDmenu; case GWW_HWNDPARENT: return wndPtr->parent ? wndPtr->parent->hwndSelf : 0; case GWW_HINSTANCE: if (HIWORD(wndPtr->hInstance)) fprintf(stderr,"GetWindowWord32(GWW_HINSTANCE) discards high bits of 0x%08x!\n",wndPtr->hInstance); return (WORD)wndPtr->hInstance; default: fprintf( stderr, "GetWindowWord: invalid offset %d\n", offset ); return 0; } } /********************************************************************** * WIN_GetWindowInstance */ HINSTANCE32 WIN_GetWindowInstance( HWND32 hwnd ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); if (!wndPtr) return (HINSTANCE32)0; return wndPtr->hInstance; } /********************************************************************** * SetWindowWord16 (USER.134) */ WORD WINAPI SetWindowWord16( HWND16 hwnd, INT16 offset, WORD newval ) { return SetWindowWord32( hwnd, offset, newval ); } /********************************************************************** * SetWindowWord32 (USER32.523) */ WORD WINAPI SetWindowWord32( 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; case GWW_HWNDPARENT: return SetParent32( hwnd, newval ); 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 (LONG)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 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, WIN_PROC_WINDOW ); return retval; } } else switch(offset) { case GWL_ID: ptr = (DWORD*)&wndPtr->wIDmenu; break; case GWL_HINSTANCE: return SetWindowWord32( hwnd, offset, newval ); case GWL_WNDPROC: retval = (LONG)WINPROC_GetProc( wndPtr->winproc, type ); WINPROC_SetProc( &wndPtr->winproc, (WNDPROC16)newval, type, WIN_PROC_WINDOW ); return retval; case GWL_STYLE: /* FIXME: WM_STYLE... messages for WIN_ISWIN32 windows */ 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 WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset ) { return WIN_GetWindowLong( (HWND32)hwnd, offset, WIN_PROC_16 ); } /********************************************************************** * GetWindowLong32A (USER32.304) */ LONG WINAPI GetWindowLong32A( HWND32 hwnd, INT32 offset ) { return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A ); } /********************************************************************** * GetWindowLong32W (USER32.305) */ LONG WINAPI GetWindowLong32W( HWND32 hwnd, INT32 offset ) { return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W ); } /********************************************************************** * SetWindowLong16 (USER.136) */ LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval ) { return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_16 ); } /********************************************************************** * SetWindowLong32A (USER32.516) */ LONG WINAPI SetWindowLong32A( HWND32 hwnd, INT32 offset, LONG newval ) { return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A ); } /********************************************************************** * SetWindowLong32W (USER32.517) */ LONG WINAPI SetWindowLong32W( HWND32 hwnd, INT32 offset, LONG newval ) { return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W ); } /******************************************************************* * GetWindowText16 (USER.36) */ INT16 WINAPI GetWindowText16( HWND16 hwnd, SEGPTR lpString, INT16 nMaxCount ) { return (INT16)SendMessage16(hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString); } /******************************************************************* * GetWindowText32A (USER32.308) */ INT32 WINAPI GetWindowText32A( HWND32 hwnd, LPSTR lpString, INT32 nMaxCount ) { return (INT32)SendMessage32A( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString ); } /******************************************************************* * GetWindowText32W (USER32.311) */ INT32 WINAPI GetWindowText32W( HWND32 hwnd, LPWSTR lpString, INT32 nMaxCount ) { return (INT32)SendMessage32W( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString ); } /******************************************************************* * SetWindowText16 (USER.37) */ void WINAPI SetWindowText16( HWND16 hwnd, SEGPTR lpString ) { SendMessage16( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * SetWindowText32A (USER32.521) */ void WINAPI SetWindowText32A( HWND32 hwnd, LPCSTR lpString ) { SendMessage32A( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * SetWindowText32W (USER32.522) */ void WINAPI SetWindowText32W( HWND32 hwnd, LPCWSTR lpString ) { SendMessage32W( hwnd, WM_SETTEXT, 0, (LPARAM)lpString ); } /******************************************************************* * GetWindowTextLength16 (USER.38) */ INT16 WINAPI GetWindowTextLength16( HWND16 hwnd ) { return (INT16)SendMessage16( hwnd, WM_GETTEXTLENGTH, 0, 0 ); } /******************************************************************* * GetWindowTextLength32A (USER32.309) */ INT32 WINAPI GetWindowTextLength32A( HWND32 hwnd ) { return SendMessage32A( hwnd, WM_GETTEXTLENGTH, 0, 0 ); } /******************************************************************* * GetWindowTextLength32W (USER32.309) */ INT32 WINAPI GetWindowTextLength32W( HWND32 hwnd ) { return SendMessage32W( hwnd, WM_GETTEXTLENGTH, 0, 0 ); } /******************************************************************* * IsWindow16 (USER.47) */ BOOL16 WINAPI IsWindow16( HWND16 hwnd ) { return IsWindow32( hwnd ); } /******************************************************************* * IsWindow32 (USER32.347) */ BOOL32 WINAPI IsWindow32( HWND32 hwnd ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); return ((wndPtr != NULL) && (wndPtr->dwMagic == WND_MAGIC)); } /***************************************************************** * GetParent16 (USER.46) */ HWND16 WINAPI GetParent16( HWND16 hwnd ) { return (HWND16)GetParent32( hwnd ); } /***************************************************************** * GetParent32 (USER32.277) */ HWND32 WINAPI GetParent32( HWND32 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. */ WND* WIN_GetTopParentPtr( WND* pWnd ) { while( pWnd && (pWnd->dwStyle & WS_CHILD)) pWnd = pWnd->parent; return pWnd; } /***************************************************************** * WIN_GetTopParent * * Get the top-level parent for a child window. */ HWND32 WIN_GetTopParent( HWND32 hwnd ) { WND *wndPtr = WIN_GetTopParentPtr ( WIN_FindWndPtr( hwnd ) ); return wndPtr ? wndPtr->hwndSelf : 0; } /***************************************************************** * SetParent16 (USER.233) */ HWND16 WINAPI SetParent16( HWND16 hwndChild, HWND16 hwndNewParent ) { return SetParent32( hwndChild, hwndNewParent ); } /***************************************************************** * SetParent32 (USER32.494) */ HWND32 WINAPI SetParent32( HWND32 hwndChild, HWND32 hwndNewParent ) { WND *wndPtr = WIN_FindWndPtr( hwndChild ); WND *pWndParent = (hwndNewParent) ? WIN_FindWndPtr( hwndNewParent ) : pWndDesktop; if( wndPtr && pWndParent && (wndPtr != pWndDesktop) ) { WND* pWndPrev = wndPtr->parent; if( pWndParent != pWndPrev ) { BOOL32 bFixupDCE = IsWindowVisible32(hwndChild); if ( wndPtr->window ) { /* Toplevel window needs to be reparented. Used by Tk 8.0 */ TSXDestroyWindow( display, wndPtr->window ); wndPtr->window = None; } else if( bFixupDCE ) DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow ); WIN_UnlinkWindow(hwndChild); wndPtr->parent = pWndParent; /* FIXME: Create an X counterpart for reparented top-level windows * when not in the desktop mode. */ if ( pWndParent == pWndDesktop ) wndPtr->dwStyle &= ~WS_CHILD; else wndPtr->dwStyle |= WS_CHILD; WIN_LinkWindow(hwndChild, HWND_BOTTOM); if( bFixupDCE ) { DCE_InvalidateDCE( wndPtr, &wndPtr->rectWindow ); UpdateWindow32(hwndChild); } } return pWndPrev->hwndSelf; } /* failure */ return 0; } /******************************************************************* * IsChild16 (USER.48) */ BOOL16 WINAPI IsChild16( HWND16 parent, HWND16 child ) { return IsChild32(parent,child); } /******************************************************************* * IsChild32 (USER32.338) */ BOOL32 WINAPI IsChild32( HWND32 parent, HWND32 child ) { WND * wndPtr = WIN_FindWndPtr( child ); while (wndPtr && (wndPtr->dwStyle & WS_CHILD)) { wndPtr = wndPtr->parent; if (wndPtr->hwndSelf == parent) return TRUE; } return FALSE; } /*********************************************************************** * IsWindowVisible16 (USER.49) */ BOOL16 WINAPI IsWindowVisible16( HWND16 hwnd ) { return IsWindowVisible32(hwnd); } /*********************************************************************** * IsWindowVisible32 (USER32.350) */ BOOL32 WINAPI IsWindowVisible32( HWND32 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)); } /*********************************************************************** * 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. */ BOOL32 WIN_IsWindowDrawable( WND* wnd, BOOL32 icon ) { if( (wnd->dwStyle & WS_MINIMIZE && icon && wnd->class->hIcon) || !(wnd->dwStyle & WS_VISIBLE) ) return FALSE; for(wnd = wnd->parent; wnd; wnd = wnd->parent) if( wnd->dwStyle & WS_MINIMIZE || !(wnd->dwStyle & WS_VISIBLE) ) break; return (wnd == NULL); } /******************************************************************* * GetTopWindow16 (USER.229) */ HWND16 WINAPI GetTopWindow16( HWND16 hwnd ) { return GetTopWindow32(hwnd); } /******************************************************************* * GetTopWindow32 (USER.229) */ HWND32 WINAPI GetTopWindow32( HWND32 hwnd ) { WND * wndPtr = WIN_FindWndPtr( hwnd ); if (wndPtr && wndPtr->child) return wndPtr->child->hwndSelf; else return 0; } /******************************************************************* * GetWindow16 (USER.262) */ HWND16 WINAPI GetWindow16( HWND16 hwnd, WORD rel ) { return GetWindow32( hwnd,rel ); } /******************************************************************* * GetWindow32 (USER32.301) */ HWND32 WINAPI GetWindow32( HWND32 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; } /******************************************************************* * GetNextWindow16 (USER.230) */ HWND16 WINAPI GetNextWindow16( HWND16 hwnd, WORD flag ) { if ((flag != GW_HWNDNEXT) && (flag != GW_HWNDPREV)) return 0; return GetWindow16( hwnd, flag ); } /******************************************************************* * ShowOwnedPopups16 (USER.265) */ void WINAPI ShowOwnedPopups16( HWND16 owner, BOOL16 fShow ) { ShowOwnedPopups32( owner, fShow ); } /******************************************************************* * ShowOwnedPopups32 (USER32.530) */ BOOL32 WINAPI ShowOwnedPopups32( HWND32 owner, BOOL32 fShow ) { WND *pWnd = pWndDesktop->child; while (pWnd) { if (pWnd->owner && (pWnd->owner->hwndSelf == owner) && (pWnd->dwStyle & WS_POPUP)) ShowWindow32( pWnd->hwndSelf, fShow ? SW_SHOW : SW_HIDE ); pWnd = pWnd->next; } return TRUE; } /******************************************************************* * GetLastActivePopup16 (USER.287) */ HWND16 WINAPI GetLastActivePopup16( HWND16 hwnd ) { return GetLastActivePopup32( hwnd ); } /******************************************************************* * GetLastActivePopup32 (USER32.255) */ HWND32 WINAPI GetLastActivePopup32( HWND32 hwnd ) { WND *wndPtr; wndPtr = WIN_FindWndPtr(hwnd); if (wndPtr == NULL) return hwnd; return wndPtr->hwndLastActive; } /******************************************************************* * WIN_BuildWinArray * * Build an array of pointers to the children of a given window. * The array must be freed with HeapFree(SystemHeap). Return NULL * when no windows are found. */ WND **WIN_BuildWinArray( WND *wndPtr, UINT32 bwaFlags, UINT32* pTotal ) { WND **list, **ppWnd; WND *pWnd; UINT32 count, skipOwned, skipHidden; DWORD skipFlags; skipHidden = bwaFlags & BWA_SKIPHIDDEN; skipOwned = bwaFlags & BWA_SKIPOWNED; skipFlags = (bwaFlags & BWA_SKIPDISABLED) ? WS_DISABLED : 0; if( bwaFlags & BWA_SKIPICONIC ) skipFlags |= WS_MINIMIZE; /* First count the windows */ if (!wndPtr) wndPtr = pWndDesktop; for (pWnd = wndPtr->child, count = 0; pWnd; pWnd = pWnd->next) { if( (pWnd->dwStyle & skipFlags) || (skipOwned && pWnd->owner) ) continue; if( !skipHidden || pWnd->dwStyle & WS_VISIBLE ) count++; } if( count ) { /* Now build the list of all windows */ if ((list = (WND **)HeapAlloc( SystemHeap, 0, sizeof(WND *) * (count + 1)))) { for (pWnd = wndPtr->child, ppWnd = list, count = 0; pWnd; pWnd = pWnd->next) { if( (pWnd->dwStyle & skipFlags) || (skipOwned && pWnd->owner) ) continue; if( !skipHidden || pWnd->dwStyle & WS_VISIBLE ) { *ppWnd++ = pWnd; count++; } } *ppWnd = NULL; } else count = 0; } else list = NULL; if( pTotal ) *pTotal = count; return list; } /******************************************************************* * EnumWindows16 (USER.54) */ BOOL16 WINAPI 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, 0, NULL ))) return FALSE; /* Now call the callback function for every window */ for (ppWnd = list; *ppWnd; ppWnd++) { /* Make sure that the window still exists */ if (!IsWindow32((*ppWnd)->hwndSelf)) continue; if (!lpEnumFunc( (*ppWnd)->hwndSelf, lParam )) break; } HeapFree( SystemHeap, 0, list ); return TRUE; } /******************************************************************* * EnumWindows32 (USER32.192) */ BOOL32 WINAPI EnumWindows32( WNDENUMPROC32 lpEnumFunc, LPARAM lParam ) { return (BOOL32)EnumWindows16( (WNDENUMPROC16)lpEnumFunc, lParam ); } /********************************************************************** * EnumTaskWindows16 (USER.225) */ BOOL16 WINAPI EnumTaskWindows16( HTASK16 hTask, WNDENUMPROC16 func, LPARAM lParam ) { WND **list, **ppWnd; HQUEUE16 hQueue = GetTaskQueue( hTask ); /* This function is the same as EnumWindows(), */ /* except for an added check on the window queue. */ if (!(list = WIN_BuildWinArray( pWndDesktop, 0, NULL ))) return FALSE; /* Now call the callback function for every window */ for (ppWnd = list; *ppWnd; ppWnd++) { /* Make sure that the window still exists */ if (!IsWindow32((*ppWnd)->hwndSelf)) continue; if ((*ppWnd)->hmemTaskQ != hQueue) continue; /* Check the queue */ if (!func( (*ppWnd)->hwndSelf, lParam )) break; } HeapFree( SystemHeap, 0, list ); return TRUE; } /********************************************************************** * EnumThreadWindows (USER32.189) */ BOOL32 WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC32 func, LPARAM lParam ) { THDB *tdb = THREAD_ID_TO_THDB(id); return (BOOL16)EnumTaskWindows16(tdb->teb.htask16, (WNDENUMPROC16)func, lParam); } /********************************************************************** * WIN_EnumChildWindows * * Helper function for EnumChildWindows(). */ static BOOL16 WIN_EnumChildWindows( WND **ppWnd, WNDENUMPROC16 func, LPARAM lParam ) { WND **childList; BOOL16 ret = FALSE; for ( ; *ppWnd; ppWnd++) { /* Make sure that the window still exists */ if (!IsWindow32((*ppWnd)->hwndSelf)) continue; /* Build children list first */ if (!(childList = WIN_BuildWinArray( *ppWnd, BWA_SKIPOWNED, NULL ))) return FALSE; if (!func( (*ppWnd)->hwndSelf, lParam )) return FALSE; ret = WIN_EnumChildWindows( childList, func, lParam ); HeapFree( SystemHeap, 0, childList ); if (!ret) return FALSE; } return TRUE; } /********************************************************************** * EnumChildWindows16 (USER.55) */ BOOL16 WINAPI EnumChildWindows16( HWND16 parent, WNDENUMPROC16 func, LPARAM lParam ) { WND **list, *pParent; if (!(pParent = WIN_FindWndPtr( parent ))) return FALSE; if (!(list = WIN_BuildWinArray( pParent, BWA_SKIPOWNED, NULL ))) return FALSE; WIN_EnumChildWindows( list, func, lParam ); HeapFree( SystemHeap, 0, list ); return TRUE; } /********************************************************************** * EnumChildWindows32 (USER32.177) */ BOOL32 WINAPI EnumChildWindows32( HWND32 parent, WNDENUMPROC32 func, LPARAM lParam ) { return (BOOL32)EnumChildWindows16( (HWND16)parent, (WNDENUMPROC16)func, lParam ); } /******************************************************************* * AnyPopup16 (USER.52) */ BOOL16 WINAPI AnyPopup16(void) { return AnyPopup32(); } /******************************************************************* * AnyPopup32 (USER32.3) */ BOOL32 WINAPI AnyPopup32(void) { WND *wndPtr; for (wndPtr = pWndDesktop->child; wndPtr; wndPtr = wndPtr->next) if (wndPtr->owner && (wndPtr->dwStyle & WS_VISIBLE)) return TRUE; return FALSE; } /******************************************************************* * FlashWindow16 (USER.105) */ BOOL16 WINAPI FlashWindow16( HWND16 hWnd, BOOL16 bInvert ) { return FlashWindow32( hWnd, bInvert ); } /******************************************************************* * FlashWindow32 (USER32.201) */ BOOL32 WINAPI FlashWindow32( HWND32 hWnd, BOOL32 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)) { HDC32 hDC = GetDC32(hWnd); if (!SendMessage16( hWnd, WM_ERASEBKGND, (WPARAM16)hDC, 0 )) wndPtr->flags |= WIN_NEEDS_ERASEBKGND; ReleaseDC32( hWnd, hDC ); wndPtr->flags |= WIN_NCACTIVATED; } else { PAINT_RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME, 0 ); wndPtr->flags &= ~WIN_NCACTIVATED; } return TRUE; } else { WPARAM16 wparam; if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED); else wparam = (hWnd == GetActiveWindow32()); SendMessage16( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 ); return wparam; } } /******************************************************************* * SetSysModalWindow16 (USER.188) */ HWND16 WINAPI SetSysModalWindow16( HWND16 hWnd ) { HWND32 hWndOldModal = hwndSysModal; hwndSysModal = hWnd; dprintf_win(stdnimp,"EMPTY STUB !! SetSysModalWindow(%04x) !\n", hWnd); return hWndOldModal; } /******************************************************************* * GetSysModalWindow16 (USER.52) */ HWND16 WINAPI GetSysModalWindow16(void) { return hwndSysModal; } /******************************************************************* * DRAG_QueryUpdate * * recursively find a child that contains spDragInfo->pt point * and send WM_QUERYDROPOBJECT */ BOOL16 DRAG_QueryUpdate( HWND32 hQueryWnd, SEGPTR spDragInfo, BOOL32 bNoSend ) { BOOL16 wParam,bResult = 0; POINT32 pt; LPDRAGINFO ptrDragInfo = (LPDRAGINFO) PTR_SEG_TO_LIN(spDragInfo); WND *ptrQueryWnd = WIN_FindWndPtr(hQueryWnd),*ptrWnd; RECT32 tempRect; if( !ptrQueryWnd || !ptrDragInfo ) return 0; CONV_POINT16TO32( &ptrDragInfo->pt, &pt ); GetWindowRect32(hQueryWnd,&tempRect); if( !PtInRect32(&tempRect,pt) || (ptrQueryWnd->dwStyle & WS_DISABLED) ) return 0; if( !(ptrQueryWnd->dwStyle & WS_MINIMIZE) ) { tempRect = ptrQueryWnd->rectClient; if(ptrQueryWnd->dwStyle & WS_CHILD) MapWindowPoints32( ptrQueryWnd->parent->hwndSelf, 0, (LPPOINT32)&tempRect, 2 ); if (PtInRect32( &tempRect, pt)) { wParam = 0; for (ptrWnd = ptrQueryWnd->child; ptrWnd ;ptrWnd = ptrWnd->next) if( ptrWnd->dwStyle & WS_VISIBLE ) { GetWindowRect32( ptrWnd->hwndSelf, &tempRect ); if (PtInRect32( &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, bNoSend); } if(bResult) return bResult; } else wParam = 1; } else wParam = 1; ScreenToClient16(hQueryWnd,&ptrDragInfo->pt); ptrDragInfo->hScope = hQueryWnd; bResult = ( bNoSend ) ? ptrQueryWnd->dwExStyle & WS_EX_ACCEPTFILES : SendMessage16( hQueryWnd ,WM_QUERYDROPOBJECT , (WPARAM16)wParam ,(LPARAM) spDragInfo ); if( !bResult ) CONV_POINT32TO16( &pt, &ptrDragInfo->pt ); return bResult; } /******************************************************************* * DragDetect (USER.465) */ BOOL16 WINAPI DragDetect16( HWND16 hWnd, POINT16 pt ) { POINT32 pt32; CONV_POINT16TO32( &pt, &pt32 ); return DragDetect32( hWnd, pt32 ); } /******************************************************************* * DragDetect32 (USER32.150) */ BOOL32 WINAPI DragDetect32( HWND32 hWnd, POINT32 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; SetCapture32(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; } /****************************************************************************** * DragObject16 (USER.464) */ DWORD WINAPI DragObject16( HWND16 hwndScope, HWND16 hWnd, UINT16 wObj, HANDLE16 hOfStruct, WORD szList, HCURSOR16 hCursor ) { MSG16 msg; LPDRAGINFO lpDragInfo; SEGPTR spDragInfo; HCURSOR16 hDragCursor=0, hOldCursor=0, hBummer=0; HGLOBAL16 hDragInfo = GlobalAlloc16( GMEM_SHARE | GMEM_ZEROINIT, 2*sizeof(DRAGINFO)); WND *wndPtr = WIN_FindWndPtr(hWnd); HCURSOR16 hCurrentCursor = 0; HWND16 hCurrentWnd = 0; lpDragInfo = (LPDRAGINFO) GlobalLock16(hDragInfo); spDragInfo = (SEGPTR) WIN16_GlobalLock16(hDragInfo); if( !lpDragInfo || !spDragInfo ) return 0L; hBummer = LoadCursor16(0, IDC_BUMMER); if( !hBummer || !wndPtr ) { 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 = SetCursor32(hDragCursor); } lpDragInfo->hWnd = hWnd; lpDragInfo->hScope = 0; lpDragInfo->wFlags = wObj; lpDragInfo->hList = szList; /* near pointer! */ lpDragInfo->hOfStruct = hOfStruct; lpDragInfo->l = 0L; SetCapture32(hWnd); ShowCursor32( TRUE ); do { do{ WaitMessage(); } while( !PeekMessage16(&msg,0,WM_MOUSEFIRST,WM_MOUSELAST,PM_REMOVE) ); *(lpDragInfo+1) = *lpDragInfo; lpDragInfo->pt = msg.pt; /* update DRAGINFO struct */ dprintf_msg(stddeb,"drag: lpDI->hScope = %04x\n",lpDragInfo->hScope); if( DRAG_QueryUpdate(hwndScope, spDragInfo, FALSE) > 0 ) hCurrentCursor = hCursor; else { hCurrentCursor = hBummer; lpDragInfo->hScope = 0; } if( hCurrentCursor ) SetCursor32(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(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); } while( msg.message != WM_LBUTTONUP && msg.message != WM_NCLBUTTONUP ); ReleaseCapture(); ShowCursor32( FALSE ); if( hCursor ) { SetCursor32( hOldCursor ); if (hDragCursor) DestroyCursor32( 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); }