| /* |
| * Window related functions |
| * |
| * Copyright 1993, 1994 Alexandre Julliard |
| */ |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include "options.h" |
| #include "class.h" |
| #include "win.h" |
| #include "user.h" |
| #include "dce.h" |
| #include "sysmetrics.h" |
| #include "menu.h" |
| #include "cursoricon.h" |
| #include "event.h" |
| #include "message.h" |
| #include "nonclient.h" |
| #include "winpos.h" |
| #include "color.h" |
| #include "shm_main_blk.h" |
| #include "dde_proc.h" |
| #include "callback.h" |
| #include "stddebug.h" |
| /* #define DEBUG_WIN */ |
| /* #define DEBUG_MENU */ |
| #include "debug.h" |
| |
| static HWND hwndDesktop = 0; |
| static HWND hWndSysModal = 0; |
| |
| static WORD wDragWidth = 8; |
| static WORD wDragHeight= 6; |
| |
| extern HCURSOR CURSORICON_IconToCursor(HICON); |
| |
| /*********************************************************************** |
| * 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; |
| return ptr; |
| } |
| |
| |
| /*********************************************************************** |
| * 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 = WIN_FindWndPtr( wndPtr->hwndParent ); |
| } |
| return wndPtr ? wndPtr->window : 0; |
| } |
| |
| |
| /*********************************************************************** |
| * WIN_UnlinkWindow |
| * |
| * Remove a window from the siblings linked list. |
| */ |
| BOOL WIN_UnlinkWindow( HWND hwnd ) |
| { |
| HWND * curWndPtr; |
| WND *parentPtr, *wndPtr; |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; |
| if (!(parentPtr = WIN_FindWndPtr( wndPtr->hwndParent ))) return FALSE; |
| |
| curWndPtr = &parentPtr->hwndChild; |
| |
| while (*curWndPtr != hwnd) |
| { |
| WND * curPtr = WIN_FindWndPtr( *curWndPtr ); |
| curWndPtr = &curPtr->hwndNext; |
| } |
| *curWndPtr = wndPtr->hwndNext; |
| 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 ) |
| { |
| HWND * hwndPtr = NULL; /* pointer to hwnd to change */ |
| WND *wndPtr, *parentPtr; |
| |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; |
| if (!(parentPtr = WIN_FindWndPtr( wndPtr->hwndParent ))) return FALSE; |
| |
| if ((hwndInsertAfter == HWND_TOP) || (hwndInsertAfter == HWND_BOTTOM)) |
| { |
| hwndPtr = &parentPtr->hwndChild; /* Point to first sibling hwnd */ |
| if (hwndInsertAfter == HWND_BOTTOM) /* Find last sibling hwnd */ |
| while (*hwndPtr) |
| { |
| WND * nextPtr = WIN_FindWndPtr( *hwndPtr ); |
| hwndPtr = &nextPtr->hwndNext; |
| } |
| } |
| else /* Normal case */ |
| { |
| WND * afterPtr = WIN_FindWndPtr( hwndInsertAfter ); |
| if (afterPtr) hwndPtr = &afterPtr->hwndNext; |
| } |
| if (!hwndPtr) return FALSE; |
| wndPtr->hwndNext = *hwndPtr; |
| *hwndPtr = hwnd; |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * WIN_FindWinToRepaint |
| * |
| * Find a window that needs repaint. |
| */ |
| HWND WIN_FindWinToRepaint( HWND hwnd ) |
| { |
| WND * wndPtr; |
| |
| /* Note: the desktop window never gets WM_PAINT messages */ |
| if (!hwnd) hwnd = GetTopWindow( hwndDesktop ); |
| for ( ; hwnd != 0; hwnd = wndPtr->hwndNext ) |
| { |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0; |
| dprintf_win( stddeb, "WIN_FindWinToRepaint: "NPFMT", style %08lx\n", |
| hwnd, wndPtr->dwStyle ); |
| if (!(wndPtr->dwStyle & WS_VISIBLE) || (wndPtr->flags & WIN_NO_REDRAW)) |
| continue; |
| if ((wndPtr->dwStyle & WS_MINIMIZE) && (WIN_CLASS_INFO(wndPtr).hIcon)) |
| continue; |
| if (wndPtr->hrgnUpdate || (wndPtr->flags & WIN_INTERNAL_PAINT)) |
| return hwnd; |
| if (wndPtr->hwndChild) |
| { |
| HWND child; |
| if ((child = WIN_FindWinToRepaint( wndPtr->hwndChild ))) |
| return child; |
| } |
| } |
| return 0; |
| } |
| |
| |
| /*********************************************************************** |
| * 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 ) |
| { |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| |
| while (wndPtr && (wndPtr->dwStyle & WS_CHILD)) |
| { |
| if (wndPtr->dwExStyle & WS_EX_NOPARENTNOTIFY) break; |
| #ifdef WINELIB32 |
| SendMessage( wndPtr->hwndParent, WM_PARENTNOTIFY, |
| MAKEWPARAM(event,idChild), |
| (LPARAM)lValue ); |
| #else |
| SendMessage( wndPtr->hwndParent, WM_PARENTNOTIFY, event, |
| MAKELPARAM(LOWORD(lValue), idChild) ); |
| #endif |
| wndPtr = WIN_FindWndPtr( wndPtr->hwndParent ); |
| } |
| } |
| |
| |
| /*********************************************************************** |
| * WIN_DestroyWindow |
| * |
| * Destroy storage associated to a window |
| */ |
| static void WIN_DestroyWindow( HWND hwnd ) |
| { |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| CLASS *classPtr = CLASS_FindClassPtr( wndPtr->hClass ); |
| |
| #ifdef CONFIG_IPC |
| if (main_block) |
| DDE_DestroyWindow(hwnd); |
| #endif /* CONFIG_IPC */ |
| |
| if (!wndPtr || !classPtr) return; |
| WIN_UnlinkWindow( hwnd ); /* Remove the window from the linked list */ |
| wndPtr->dwMagic = 0; /* Mark it as invalid */ |
| if ((wndPtr->hrgnUpdate) || (wndPtr->flags & WIN_INTERNAL_PAINT)) |
| { |
| if (wndPtr->hrgnUpdate) DeleteObject( wndPtr->hrgnUpdate ); |
| MSG_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 (classPtr->wc.style & CS_OWNDC) DCE_FreeDCE( wndPtr->hdce ); |
| classPtr->cWindows--; |
| USER_HEAP_FREE( hwnd ); |
| } |
| |
| |
| /*********************************************************************** |
| * WIN_CreateDesktopWindow |
| * |
| * Create the desktop window. |
| */ |
| BOOL WIN_CreateDesktopWindow(void) |
| { |
| WND *wndPtr; |
| HCLASS hclass; |
| CLASS *classPtr; |
| HDC hdc; |
| |
| if (!(hclass = CLASS_FindClassByName( DESKTOP_CLASS_ATOM, 0, &classPtr ))) |
| return FALSE; |
| |
| hwndDesktop = USER_HEAP_ALLOC( sizeof(WND)+classPtr->wc.cbWndExtra ); |
| if (!hwndDesktop) return FALSE; |
| wndPtr = (WND *) USER_HEAP_LIN_ADDR( hwndDesktop ); |
| |
| wndPtr->hwndNext = 0; |
| wndPtr->hwndChild = 0; |
| wndPtr->dwMagic = WND_MAGIC; |
| wndPtr->hwndParent = 0; |
| wndPtr->hwndOwner = 0; |
| wndPtr->hClass = hclass; |
| wndPtr->hInstance = 0; |
| wndPtr->rectWindow.left = 0; |
| wndPtr->rectWindow.top = 0; |
| wndPtr->rectWindow.right = SYSMETRICS_CXSCREEN; |
| wndPtr->rectWindow.bottom = SYSMETRICS_CYSCREEN; |
| wndPtr->rectClient = wndPtr->rectWindow; |
| wndPtr->rectNormal = wndPtr->rectWindow; |
| wndPtr->ptIconPos.x = -1; |
| wndPtr->ptIconPos.y = -1; |
| wndPtr->ptMaxPos.x = -1; |
| wndPtr->ptMaxPos.y = -1; |
| wndPtr->hmemTaskQ = 0; /* Desktop does not belong to a task */ |
| wndPtr->hrgnUpdate = 0; |
| wndPtr->hwndLastActive = hwndDesktop; |
| wndPtr->lpfnWndProc = classPtr->wc.lpfnWndProc; |
| wndPtr->dwStyle = WS_VISIBLE | WS_CLIPCHILDREN | WS_CLIPSIBLINGS; |
| wndPtr->dwExStyle = 0; |
| wndPtr->hdce = 0; |
| wndPtr->hVScroll = 0; |
| wndPtr->hHScroll = 0; |
| wndPtr->wIDmenu = 0; |
| wndPtr->hText = 0; |
| wndPtr->flags = 0; |
| wndPtr->window = rootWindow; |
| wndPtr->hSysMenu = 0; |
| wndPtr->hProp = 0; |
| EVENT_RegisterWindow( wndPtr->window, hwndDesktop ); |
| SendMessage( hwndDesktop, WM_NCCREATE, 0, 0 ); |
| if ((hdc = GetDC( hwndDesktop )) != 0) |
| { |
| SendMessage( hwndDesktop, WM_ERASEBKGND, (WPARAM)hdc, 0 ); |
| ReleaseDC( hwndDesktop, hdc ); |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * CreateWindow (USER.41) |
| */ |
| HWND CreateWindow( SEGPTR className, SEGPTR windowName, |
| DWORD style, INT x, INT y, INT width, INT height, |
| HWND parent, HMENU menu, HANDLE instance, SEGPTR data ) |
| { |
| return CreateWindowEx( 0, className, windowName, style, |
| x, y, width, height, parent, menu, instance, data ); |
| } |
| |
| |
| /*********************************************************************** |
| * CreateWindowEx (USER.452) |
| */ |
| HWND CreateWindowEx( DWORD exStyle, SEGPTR className, SEGPTR windowName, |
| DWORD style, INT x, INT y, INT width, INT height, |
| HWND parent, HMENU menu, HANDLE instance, SEGPTR data ) |
| { |
| HANDLE class, hwnd; |
| CLASS *classPtr; |
| WND *wndPtr; |
| POINT maxSize, maxPos, minTrack, maxTrack; |
| CREATESTRUCT createStruct; |
| int wmcreate; |
| XSetWindowAttributes win_attr; |
| |
| /* FIXME: windowName and className should be SEGPTRs */ |
| |
| dprintf_win( stddeb, "CreateWindowEx: " ); |
| if (HIWORD(windowName)) |
| dprintf_win( stddeb, "'%s' ", (char *)PTR_SEG_TO_LIN(windowName) ); |
| else |
| dprintf_win( stddeb, "%04x ", LOWORD(windowName) ); |
| if (HIWORD(className)) |
| dprintf_win( stddeb, "'%s' ", (char *)PTR_SEG_TO_LIN(className) ); |
| else |
| dprintf_win( stddeb, "%04x ", LOWORD(className) ); |
| |
| dprintf_win(stddeb, "%08lx %08lx %d,%d %dx%d "NPFMT" "NPFMT" "NPFMT" %08lx\n", |
| exStyle, style, x, y, width, height, |
| parent, menu, instance, (DWORD)data); |
| |
| if (x == CW_USEDEFAULT) x = y = 0; |
| if (width == CW_USEDEFAULT) |
| { |
| width = 600; |
| height = 400; |
| } |
| |
| /* Find the parent and class */ |
| |
| if (parent) |
| { |
| /* Make sure parent is valid */ |
| if (!IsWindow( parent )) { |
| dprintf_win(stddeb,"CreateWindowEx: Parent "NPFMT" is not a window\n", parent); |
| return 0; |
| } |
| } |
| else |
| { |
| if (style & WS_CHILD) { |
| dprintf_win(stddeb,"CreateWindowEx: no parent\n"); |
| return 0; /* WS_CHILD needs a parent */ |
| } |
| } |
| |
| if (!(class = CLASS_FindClassByName( className, GetExePtr(instance), |
| &classPtr ))) |
| { |
| fprintf(stderr,"CreateWindow BAD CLASSNAME " ); |
| if (HIWORD(className)) fprintf( stderr, "'%s'\n", |
| (char *)PTR_SEG_TO_LIN(className) ); |
| else fprintf( stderr, "%04x\n", LOWORD(className) ); |
| return 0; |
| } |
| |
| /* Correct the window style */ |
| |
| if (!(style & (WS_POPUP | WS_CHILD))) /* Overlapped window */ |
| style |= WS_CAPTION | WS_CLIPSIBLINGS; |
| if (exStyle & WS_EX_DLGMODALFRAME) style &= ~WS_THICKFRAME; |
| |
| /* Create the window structure */ |
| |
| hwnd = USER_HEAP_ALLOC( sizeof(WND)+classPtr->wc.cbWndExtra ); |
| if (!hwnd) { |
| dprintf_win(stddeb,"CreateWindowEx: Out of memory\n"); |
| return 0; |
| } |
| |
| /* Fill the structure */ |
| |
| wndPtr = (WND *) USER_HEAP_LIN_ADDR( hwnd ); |
| wndPtr->hwndNext = 0; |
| wndPtr->hwndChild = 0; |
| wndPtr->window = 0; |
| wndPtr->dwMagic = WND_MAGIC; |
| wndPtr->hwndParent = (style & WS_CHILD) ? parent : hwndDesktop; |
| wndPtr->hwndOwner = (style & WS_CHILD) ? 0 : WIN_GetTopParent(parent); |
| wndPtr->hClass = class; |
| wndPtr->hInstance = instance; |
| wndPtr->ptIconPos.x = -1; |
| wndPtr->ptIconPos.y = -1; |
| wndPtr->ptMaxPos.x = -1; |
| wndPtr->ptMaxPos.y = -1; |
| wndPtr->hmemTaskQ = GetTaskQueue(0); |
| wndPtr->hrgnUpdate = 0; |
| wndPtr->hwndPrevActive = 0; |
| wndPtr->hwndLastActive = hwnd; |
| wndPtr->lpfnWndProc = classPtr->wc.lpfnWndProc; |
| wndPtr->dwStyle = style & ~WS_VISIBLE; |
| wndPtr->dwExStyle = exStyle; |
| wndPtr->wIDmenu = 0; |
| wndPtr->hText = 0; |
| wndPtr->flags = 0; |
| wndPtr->hVScroll = 0; |
| wndPtr->hHScroll = 0; |
| wndPtr->hSysMenu = 0; |
| wndPtr->hProp = 0; |
| |
| if (classPtr->wc.cbWndExtra) |
| memset( wndPtr->wExtra, 0, classPtr->wc.cbWndExtra ); |
| classPtr->cWindows++; |
| |
| /* Get class or window DC if needed */ |
| |
| if (classPtr->wc.style & CS_OWNDC) |
| wndPtr->hdce = DCE_AllocDCE( DCE_WINDOW_DC ); |
| else if (classPtr->wc.style & CS_CLASSDC) |
| wndPtr->hdce = classPtr->hdce; |
| else |
| wndPtr->hdce = 0; |
| |
| /* Insert the window in the linked list */ |
| |
| WIN_LinkWindow( hwnd, HWND_TOP ); |
| |
| /* Send the WM_GETMINMAXINFO message and fix the size if needed */ |
| |
| NC_GetMinMaxInfo( hwnd, &maxSize, &maxPos, &minTrack, &maxTrack ); |
| |
| if (maxSize.x < width) width = maxSize.x; |
| if (maxSize.y < height) height = maxSize.y; |
| if (width <= 0) width = 1; |
| if (height <= 0) height = 1; |
| |
| wndPtr->rectWindow.left = x; |
| wndPtr->rectWindow.top = y; |
| wndPtr->rectWindow.right = x + width; |
| wndPtr->rectWindow.bottom = y + height; |
| 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 (!(style & WS_CHILD) && (rootWindow == DefaultRootWindow(display))) |
| { |
| 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->wc.style & CS_SAVEBITS) != 0); |
| win_attr.cursor = CURSORICON_XCursor; |
| wndPtr->window = XCreateWindow( display, rootWindow, x, y, |
| width, height, 0, CopyFromParent, |
| InputOutput, CopyFromParent, |
| CWEventMask | CWOverrideRedirect | |
| CWColormap | CWCursor | CWSaveUnder | |
| CWBackingStore, &win_attr ); |
| XStoreName( display, wndPtr->window, PTR_SEG_TO_LIN(windowName) ); |
| EVENT_RegisterWindow( wndPtr->window, hwnd ); |
| } |
| |
| if ((style & WS_CAPTION) && !(style & WS_CHILD)) |
| { |
| if (menu) SetMenu(hwnd, menu); |
| else if (classPtr->wc.lpszMenuName) |
| SetMenu( hwnd, LoadMenu( instance, classPtr->wc.lpszMenuName ) ); |
| } |
| else wndPtr->wIDmenu = (UINT)menu; |
| |
| /* Send the WM_CREATE message */ |
| |
| createStruct.lpCreateParams = (LPSTR)data; |
| createStruct.hInstance = instance; |
| createStruct.hMenu = menu; |
| createStruct.hwndParent = parent; |
| createStruct.cx = width; |
| createStruct.cy = height; |
| createStruct.x = x; |
| createStruct.y = y; |
| createStruct.style = style; |
| createStruct.lpszName = windowName; |
| createStruct.lpszClass = className; |
| createStruct.dwExStyle = 0; |
| |
| wmcreate = SendMessage( hwnd, WM_NCCREATE, 0, MAKE_SEGPTR(&createStruct) ); |
| if (!wmcreate) |
| { |
| dprintf_win(stddeb,"CreateWindowEx: WM_NCCREATE return 0\n"); |
| wmcreate = -1; |
| } |
| else |
| { |
| WINPOS_SendNCCalcSize( hwnd, FALSE, &wndPtr->rectWindow, |
| NULL, NULL, NULL, &wndPtr->rectClient ); |
| wmcreate = SendMessage(hwnd, WM_CREATE, 0, MAKE_SEGPTR(&createStruct)); |
| } |
| |
| if (wmcreate == -1) |
| { |
| /* Abort window creation */ |
| dprintf_win(stddeb,"CreateWindowEx: wmcreate==-1, aborting\n"); |
| WIN_DestroyWindow( hwnd ); |
| return 0; |
| } |
| |
| /* Create a copy of SysMenu */ |
| if (style & WS_SYSMENU) wndPtr->hSysMenu = CopySysMenu(); |
| |
| WIN_SendParentNotify( hwnd, WM_CREATE, wndPtr->wIDmenu, (LONG)hwnd ); |
| |
| /* 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 | |
| (style & WS_VISIBLE) ? SWP_SHOWWINDOW : 0 ); |
| } |
| else if (wndPtr->dwStyle & WS_MAXIMIZE) |
| { |
| SetWindowPos( hwnd, 0, maxPos.x, maxPos.y, maxSize.x, maxSize.y, |
| SWP_FRAMECHANGED | |
| (style & WS_VISIBLE) ? SWP_SHOWWINDOW : 0 ); |
| } |
| else if (style & WS_VISIBLE) ShowWindow( hwnd, SW_SHOW ); |
| |
| dprintf_win(stddeb, "CreateWindowEx: return "NPFMT" \n", hwnd); |
| return hwnd; |
| } |
| |
| |
| /*********************************************************************** |
| * DestroyWindow (USER.53) |
| */ |
| BOOL DestroyWindow( HWND hwnd ) |
| { |
| WND * wndPtr; |
| CLASS * classPtr; |
| |
| dprintf_win(stddeb, "DestroyWindow ("NPFMT")\n", hwnd); |
| |
| /* Initialisation */ |
| |
| if (hwnd == hwndDesktop) return FALSE; /* Can't destroy desktop */ |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; |
| if (!(classPtr = CLASS_FindClassPtr( wndPtr->hClass ))) return FALSE; |
| |
| /* 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(); |
| WIN_SendParentNotify( hwnd, WM_DESTROY, wndPtr->wIDmenu, (LONG)hwnd ); |
| |
| /* Recursively destroy owned windows */ |
| |
| for (;;) |
| { |
| HWND hwndSibling = GetWindow( hwnd, GW_HWNDFIRST ); |
| while (hwndSibling) |
| { |
| WND *siblingPtr = WIN_FindWndPtr( hwndSibling ); |
| if (siblingPtr->hwndOwner == hwnd) break; |
| hwndSibling = siblingPtr->hwndNext; |
| } |
| if (hwndSibling) DestroyWindow( hwndSibling ); |
| else break; |
| } |
| |
| /* Send destroy messages and destroy children */ |
| |
| SendMessage( hwnd, WM_DESTROY, 0, 0 ); |
| while (wndPtr->hwndChild) /* The child removes itself from the list */ |
| DestroyWindow( wndPtr->hwndChild ); |
| SendMessage( hwnd, WM_NCDESTROY, 0, 0 ); |
| |
| /* Destroy the window */ |
| |
| WIN_DestroyWindow( hwnd ); |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * CloseWindow (USER.43) |
| */ |
| void CloseWindow(HWND hWnd) |
| { |
| WND * wndPtr = WIN_FindWndPtr(hWnd); |
| if (wndPtr->dwStyle & WS_CHILD) return; |
| ShowWindow(hWnd, SW_MINIMIZE); |
| } |
| |
| |
| /*********************************************************************** |
| * OpenIcon (USER.44) |
| */ |
| BOOL OpenIcon(HWND hWnd) |
| { |
| if (!IsIconic(hWnd)) return FALSE; |
| ShowWindow(hWnd, SW_SHOWNORMAL); |
| return(TRUE); |
| } |
| |
| |
| /*********************************************************************** |
| * FindWindow (USER.50) |
| */ |
| HWND FindWindow( SEGPTR ClassMatch, LPSTR TitleMatch ) |
| { |
| HCLASS hclass; |
| CLASS *classPtr; |
| HWND hwnd; |
| |
| if (ClassMatch) |
| { |
| hclass = CLASS_FindClassByName( ClassMatch, (HINSTANCE)0xffff, |
| &classPtr ); |
| if (!hclass) return 0; |
| } |
| else hclass = 0; |
| |
| hwnd = GetTopWindow( hwndDesktop ); |
| while(hwnd) |
| { |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!hclass || (wndPtr->hClass == hclass)) |
| { |
| /* Found matching class */ |
| if (!TitleMatch) return hwnd; |
| if (wndPtr->hText) |
| { |
| char *textPtr = (char *) USER_HEAP_LIN_ADDR( wndPtr->hText ); |
| if (!strcmp( textPtr, TitleMatch )) return hwnd; |
| } |
| } |
| hwnd = wndPtr->hwndNext; |
| } |
| return 0; |
| } |
| |
| |
| /********************************************************************** |
| * GetDesktopWindow (USER.286) |
| * GetDeskTopHwnd (USER.278) |
| */ |
| HWND GetDesktopWindow(void) |
| { |
| return hwndDesktop; |
| } |
| |
| |
| /******************************************************************* |
| * 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; |
| SendMessage( 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 */ |
| SendMessage( hwnd, WM_ENABLE, FALSE, 0 ); |
| return FALSE; |
| } |
| return ((wndPtr->dwStyle & WS_DISABLED) != 0); |
| } |
| |
| |
| /*********************************************************************** |
| * IsWindowEnabled (USER.35) |
| */ |
| BOOL IsWindowEnabled(HWND hWnd) |
| { |
| WND * wndPtr; |
| |
| if (!(wndPtr = WIN_FindWndPtr(hWnd))) return FALSE; |
| return !(wndPtr->dwStyle & WS_DISABLED); |
| } |
| |
| |
| /********************************************************************** |
| * GetWindowWord (USER.133) |
| */ |
| WORD GetWindowWord( HWND hwnd, short offset ) |
| { |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return 0; |
| if (offset >= 0) return *(WORD *)(((char *)wndPtr->wExtra) + offset); |
| switch(offset) |
| { |
| case GWW_ID: return wndPtr->wIDmenu; |
| #ifdef WINELIB32 |
| case GWW_HWNDPARENT: |
| case GWW_HINSTANCE: |
| fprintf(stderr,"GetWindowWord called with offset %d.\n",offset); |
| return 0; |
| #else |
| case GWW_HWNDPARENT: return (WORD)wndPtr->hwndParent; |
| case GWW_HINSTANCE: return (WORD)wndPtr->hInstance; |
| #endif |
| } |
| 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) |
| */ |
| WORD SetWindowWord( HWND hwnd, short offset, WORD newval ) |
| { |
| WORD *ptr, retval; |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return 0; |
| if (offset >= 0) ptr = (WORD *)(((char *)wndPtr->wExtra) + offset); |
| else switch(offset) |
| { |
| #ifdef WINELIB32 |
| case GWW_ID: |
| case GWW_HINSTANCE: |
| fprintf(stderr,"SetWindowWord called with offset %d.\n",offset); |
| return 0; |
| #else |
| case GWW_ID: ptr = &wndPtr->wIDmenu; break; |
| case GWW_HINSTANCE: ptr = (WORD*)&wndPtr->hInstance; break; |
| #endif |
| default: return 0; |
| } |
| retval = *ptr; |
| *ptr = newval; |
| return retval; |
| } |
| |
| |
| /********************************************************************** |
| * GetWindowLong (USER.135) |
| */ |
| LONG GetWindowLong( HWND hwnd, short offset ) |
| { |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return 0; |
| if (offset >= 0) return *(LONG *)(((char *)wndPtr->wExtra) + offset); |
| switch(offset) |
| { |
| case GWL_STYLE: return wndPtr->dwStyle; |
| case GWL_EXSTYLE: return wndPtr->dwExStyle; |
| case GWL_WNDPROC: return (LONG)wndPtr->lpfnWndProc; |
| #ifdef WINELIB32 |
| case GWW_HWNDPARENT: return (LONG)wndPtr->hwndParent; |
| case GWW_HINSTANCE: return (LONG)wndPtr->hInstance; |
| #endif |
| } |
| return 0; |
| } |
| |
| |
| /********************************************************************** |
| * SetWindowLong (USER.136) |
| */ |
| LONG SetWindowLong( HWND hwnd, short offset, LONG newval ) |
| { |
| LONG *ptr, retval; |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (!wndPtr) return 0; |
| if (offset >= 0) ptr = (LONG *)(((char *)wndPtr->wExtra) + offset); |
| else switch(offset) |
| { |
| case GWL_STYLE: ptr = &wndPtr->dwStyle; break; |
| case GWL_EXSTYLE: ptr = &wndPtr->dwExStyle; break; |
| case GWL_WNDPROC: ptr = (LONG *)&wndPtr->lpfnWndProc; break; |
| default: return 0; |
| } |
| retval = *ptr; |
| *ptr = newval; |
| return retval; |
| } |
| |
| |
| /******************************************************************* |
| * GetWindowText (USER.36) |
| */ |
| int WIN16_GetWindowText( HWND hwnd, SEGPTR lpString, int nMaxCount ) |
| { |
| return (int)SendMessage(hwnd, WM_GETTEXT, (WORD)nMaxCount, |
| (DWORD)lpString); |
| } |
| |
| int GetWindowText( HWND hwnd, LPSTR lpString, int nMaxCount ) |
| { |
| int len; |
| HANDLE handle; |
| |
| /* We have to allocate a buffer on the USER heap */ |
| /* to be able to pass its address to 16-bit code */ |
| if (!(handle = USER_HEAP_ALLOC( nMaxCount ))) return 0; |
| len = (int)SendMessage( hwnd, WM_GETTEXT, (WPARAM)nMaxCount, |
| (LPARAM)USER_HEAP_SEG_ADDR(handle) ); |
| strncpy( lpString, USER_HEAP_LIN_ADDR(handle), nMaxCount ); |
| USER_HEAP_FREE( handle ); |
| return len; |
| } |
| |
| |
| /******************************************************************* |
| * SetWindowText (USER.37) |
| */ |
| void WIN16_SetWindowText( HWND hwnd, SEGPTR lpString ) |
| { |
| SendMessage( hwnd, WM_SETTEXT, 0, (DWORD)lpString ); |
| } |
| |
| void SetWindowText( HWND hwnd, LPSTR lpString ) |
| { |
| HANDLE handle; |
| |
| /* We have to allocate a buffer on the USER heap */ |
| /* to be able to pass its address to 16-bit code */ |
| if (!(handle = USER_HEAP_ALLOC( strlen(lpString)+1 ))) return; |
| strcpy( USER_HEAP_LIN_ADDR(handle), lpString ); |
| SendMessage( hwnd, WM_SETTEXT, 0, (LPARAM)USER_HEAP_SEG_ADDR(handle) ); |
| USER_HEAP_FREE( handle ); |
| } |
| |
| |
| /******************************************************************* |
| * GetWindowTextLength (USER.38) |
| */ |
| int GetWindowTextLength(HWND hwnd) |
| { |
| return (int)SendMessage(hwnd, WM_GETTEXTLENGTH, 0, 0 ); |
| } |
| |
| |
| /******************************************************************* |
| * IsWindow (USER.47) |
| */ |
| BOOL IsWindow( HWND 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; |
| return (wndPtr->dwStyle & WS_CHILD) ? |
| wndPtr->hwndParent : wndPtr->hwndOwner; |
| } |
| |
| |
| /***************************************************************** |
| * WIN_GetTopParent |
| * |
| * Get the top-level parent for a child window. |
| */ |
| HWND WIN_GetTopParent( HWND hwnd ) |
| { |
| while (hwnd) |
| { |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| if (wndPtr->dwStyle & WS_CHILD) hwnd = wndPtr->hwndParent; |
| else break; |
| } |
| return hwnd; |
| } |
| |
| |
| /***************************************************************** |
| * SetParent (USER.233) |
| */ |
| HWND SetParent(HWND hwndChild, HWND hwndNewParent) |
| { |
| HWND temp; |
| |
| WND *wndPtr = WIN_FindWndPtr(hwndChild); |
| if (!wndPtr || !(wndPtr->dwStyle & WS_CHILD)) return 0; |
| |
| temp = wndPtr->hwndParent; |
| |
| WIN_UnlinkWindow(hwndChild); |
| if (hwndNewParent) |
| wndPtr->hwndParent = hwndNewParent; |
| else |
| wndPtr->hwndParent = GetDesktopWindow(); |
| WIN_LinkWindow(hwndChild, HWND_BOTTOM); |
| |
| if (IsWindowVisible(hwndChild)) UpdateWindow(hwndChild); |
| |
| return temp; |
| } |
| |
| |
| |
| /******************************************************************* |
| * IsChild (USER.48) |
| */ |
| BOOL IsChild( HWND parent, HWND child ) |
| { |
| WND * wndPtr = WIN_FindWndPtr( child ); |
| while (wndPtr && (wndPtr->dwStyle & WS_CHILD)) |
| { |
| if (wndPtr->hwndParent == parent) return TRUE; |
| wndPtr = WIN_FindWndPtr( wndPtr->hwndParent ); |
| } |
| return FALSE; |
| } |
| |
| |
| /*********************************************************************** |
| * IsWindowVisible (USER.49) |
| */ |
| BOOL IsWindowVisible( HWND hwnd ) |
| { |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| while (wndPtr && (wndPtr->dwStyle & WS_CHILD)) |
| { |
| if (!(wndPtr->dwStyle & WS_VISIBLE)) return FALSE; |
| wndPtr = WIN_FindWndPtr( wndPtr->hwndParent ); |
| } |
| return (wndPtr && (wndPtr->dwStyle & WS_VISIBLE)); |
| } |
| |
| |
| |
| /******************************************************************* |
| * GetTopWindow (USER.229) |
| */ |
| HWND GetTopWindow( HWND hwnd ) |
| { |
| WND * wndPtr = WIN_FindWndPtr( hwnd ); |
| if (wndPtr) return wndPtr->hwndChild; |
| 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->hwndParent) |
| { |
| WND * parentPtr = WIN_FindWndPtr( wndPtr->hwndParent ); |
| return parentPtr->hwndChild; |
| } |
| else return 0; |
| |
| case GW_HWNDLAST: |
| if (!wndPtr->hwndParent) return 0; /* Desktop window */ |
| while (wndPtr->hwndNext) |
| { |
| hwnd = wndPtr->hwndNext; |
| wndPtr = WIN_FindWndPtr( hwnd ); |
| } |
| return hwnd; |
| |
| case GW_HWNDNEXT: |
| return wndPtr->hwndNext; |
| |
| case GW_HWNDPREV: |
| { |
| HWND hwndPrev; |
| |
| if (wndPtr->hwndParent) |
| { |
| WND * parentPtr = WIN_FindWndPtr( wndPtr->hwndParent ); |
| hwndPrev = parentPtr->hwndChild; |
| } |
| else return 0; /* Desktop window */ |
| if (hwndPrev == hwnd) return 0; |
| while (hwndPrev) |
| { |
| wndPtr = WIN_FindWndPtr( hwndPrev ); |
| if (wndPtr->hwndNext == hwnd) break; |
| hwndPrev = wndPtr->hwndNext; |
| } |
| return hwndPrev; |
| } |
| |
| case GW_OWNER: |
| return wndPtr->hwndOwner; |
| |
| case GW_CHILD: |
| return wndPtr->hwndChild; |
| } |
| 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 ) |
| { |
| HWND hwnd = GetWindow( hwndDesktop, GW_CHILD ); |
| while (hwnd) |
| { |
| WND *wnd = WIN_FindWndPtr(hwnd); |
| if (wnd->hwndOwner == owner && (wnd->dwStyle & WS_POPUP)) |
| ShowWindow( hwnd, fShow ? SW_SHOW : SW_HIDE ); |
| hwnd = wnd->hwndNext; |
| } |
| } |
| |
| |
| /******************************************************************* |
| * GetLastActivePopup (USER.287) |
| */ |
| HWND GetLastActivePopup(HWND hwnd) |
| { |
| WND *wndPtr; |
| wndPtr = WIN_FindWndPtr(hwnd); |
| if (wndPtr == NULL) return hwnd; |
| return wndPtr->hwndLastActive; |
| } |
| |
| |
| /******************************************************************* |
| * EnumWindows (USER.54) |
| */ |
| BOOL EnumWindows( FARPROC lpEnumFunc, LPARAM lParam ) |
| { |
| HWND hwnd; |
| WND *wndPtr; |
| HWND *list, *pWnd; |
| int count; |
| |
| /* 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. */ |
| |
| /* First count the windows */ |
| |
| count = 0; |
| for (hwnd = GetTopWindow(hwndDesktop); hwnd != 0; hwnd = wndPtr->hwndNext) |
| { |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; |
| count++; |
| } |
| if (!count) return TRUE; |
| |
| /* Now build the list of all windows */ |
| |
| if (!(list = (HWND *)malloc( sizeof(HWND) * count ))) return FALSE; |
| for (hwnd = GetTopWindow(hwndDesktop), pWnd = list; hwnd != 0; hwnd = wndPtr->hwndNext) |
| { |
| wndPtr = WIN_FindWndPtr( hwnd ); |
| *pWnd++ = hwnd; |
| } |
| |
| /* Now call the callback function for every window */ |
| |
| for (pWnd = list; count > 0; count--, pWnd++) |
| { |
| /* Make sure that window still exists */ |
| if (!IsWindow(*pWnd)) continue; |
| if (!CallEnumWindowsProc( lpEnumFunc, *pWnd, lParam )) break; |
| } |
| free( list ); |
| return TRUE; |
| } |
| |
| |
| /********************************************************************** |
| * EnumTaskWindows (USER.225) |
| */ |
| BOOL EnumTaskWindows( HTASK hTask, FARPROC lpEnumFunc, LONG lParam ) |
| { |
| HWND hwnd; |
| WND *wndPtr; |
| HWND *list, *pWnd; |
| HANDLE hQueue = GetTaskQueue( hTask ); |
| int count; |
| |
| /* This function is the same as EnumWindows(), */ |
| /* except for an added check on the window queue. */ |
| |
| /* First count the windows */ |
| |
| count = 0; |
| for (hwnd = GetTopWindow(hwndDesktop); hwnd != 0; hwnd = wndPtr->hwndNext) |
| { |
| if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE; |
| if (wndPtr->hmemTaskQ == hQueue) count++; |
| } |
| if (!count) return TRUE; |
| |
| /* Now build the list of all windows */ |
| |
| if (!(list = (HWND *)malloc( sizeof(HWND) * count ))) return FALSE; |
| for (hwnd = GetTopWindow(hwndDesktop), pWnd = list; hwnd != 0; hwnd = wndPtr->hwndNext) |
| { |
| wndPtr = WIN_FindWndPtr( hwnd ); |
| if (wndPtr->hmemTaskQ == hQueue) *pWnd++ = hwnd; |
| } |
| |
| /* Now call the callback function for every window */ |
| |
| for (pWnd = list; count > 0; count--, pWnd++) |
| { |
| /* Make sure that window still exists */ |
| if (!IsWindow(*pWnd)) continue; |
| if (!CallEnumTaskWndProc( lpEnumFunc, *pWnd, lParam )) break; |
| } |
| free( list ); |
| return TRUE; |
| } |
| |
| |
| /******************************************************************* |
| * WIN_EnumChildWin |
| * |
| * o hwnd is the first child to use, loop until all next windows |
| * are processed |
| * |
| * o call wdnenumprc |
| * |
| * o call ourselves with the next child window |
| * |
| */ |
| static BOOL WIN_EnumChildWin(HWND hwnd, FARPROC wndenumprc, LPARAM lParam) |
| { |
| WND *wndPtr; |
| |
| while (hwnd) |
| { |
| if (!(wndPtr=WIN_FindWndPtr(hwnd))) return 0; |
| if (!CallEnumWindowsProc( wndenumprc, hwnd, lParam )) return 0; |
| if (!WIN_EnumChildWin(wndPtr->hwndChild, wndenumprc, lParam)) return 0; |
| hwnd=wndPtr->hwndNext; |
| } |
| return 1; |
| } |
| |
| /******************************************************************* |
| * EnumChildWindows (USER.55) |
| * |
| * o gets the first child of hwnd |
| * |
| * o calls WIN_EnumChildWin to do a recursive decent of child windows |
| */ |
| BOOL EnumChildWindows(HWND hwnd, FARPROC wndenumprc, LPARAM lParam) |
| { |
| WND *wndPtr; |
| |
| dprintf_enum(stddeb,"EnumChildWindows\n"); |
| |
| if (hwnd == 0) return 0; |
| if (!(wndPtr = WIN_FindWndPtr(hwnd))) return 0; |
| hwnd = wndPtr->hwndChild; |
| return WIN_EnumChildWin(hwnd, wndenumprc, lParam); |
| } |
| |
| |
| /******************************************************************* |
| * AnyPopup [USER.52] |
| */ |
| BOOL AnyPopup() |
| { |
| WND *wndPtr = WIN_FindWndPtr(hwndDesktop); |
| HWND hwnd = wndPtr->hwndChild; |
| |
| for( ; hwnd ; hwnd = wndPtr->hwndNext ) |
| { |
| wndPtr = WIN_FindWndPtr(hwnd); |
| if(wndPtr->hwndOwner) |
| if(wndPtr->dwStyle & WS_VISIBLE) |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| /******************************************************************* |
| * FlashWindow [USER.105] |
| */ |
| BOOL FlashWindow(HWND hWnd, BOOL bInvert) |
| { |
| dprintf_win(stdnimp,"EMPTY STUB !! FlashWindow !\n"); |
| return FALSE; |
| } |
| |
| |
| /******************************************************************* |
| * SetSysModalWindow [USER.188] |
| */ |
| HWND SetSysModalWindow(HWND hWnd) |
| { |
| HWND hWndOldModal = hWndSysModal; |
| hWndSysModal = hWnd; |
| dprintf_win(stdnimp,"EMPTY STUB !! SetSysModalWindow("NPFMT") !\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 ) |
| { |
| HWND hWnd; |
| BOOL wParam,bResult = 0; |
| POINT pt; |
| LPDRAGINFO ptrDragInfo = (LPDRAGINFO) PTR_SEG_TO_LIN(spDragInfo); |
| WND *ptrQueryWnd = WIN_FindWndPtr(hQueryWnd),*ptrWnd; |
| RECT tempRect; /* this sucks */ |
| |
| if( !ptrQueryWnd || !ptrDragInfo ) return 0; |
| |
| pt = ptrDragInfo->pt; |
| |
| GetWindowRect(hQueryWnd,&tempRect); |
| |
| if( !PtInRect(&tempRect,pt) || |
| (ptrQueryWnd->dwStyle & WS_DISABLED) ) |
| return 0; |
| |
| if( !(ptrQueryWnd->dwStyle & WS_MINIMIZE) ) |
| { |
| tempRect = ptrQueryWnd->rectClient; |
| if(ptrQueryWnd->dwStyle & WS_CHILD) |
| MapWindowPoints(ptrQueryWnd->hwndParent,0,(LPPOINT)&tempRect,2); |
| |
| if( PtInRect(&tempRect,pt) ) |
| { |
| wParam = 0; |
| ptrWnd = WIN_FindWndPtr(hWnd = ptrQueryWnd->hwndChild); |
| |
| for( ;ptrWnd ;ptrWnd = WIN_FindWndPtr(hWnd = ptrWnd->hwndNext) ) |
| if( ptrWnd->dwStyle & WS_VISIBLE ) |
| { |
| GetWindowRect(hWnd,&tempRect); |
| |
| if( PtInRect(&tempRect,pt) ) |
| break; |
| } |
| |
| if(ptrWnd) |
| dprintf_msg(stddeb,"DragQueryUpdate: hwnd = "NPFMT", %i %i - %i %i\n",hWnd, |
| ptrWnd->rectWindow.left,ptrWnd->rectWindow.top, |
| ptrWnd->rectWindow.right,ptrWnd->rectWindow.bottom); |
| else |
| dprintf_msg(stddeb,"DragQueryUpdate: hwnd = "NPFMT"\n",hWnd); |
| |
| if(ptrWnd) |
| if( !(ptrWnd->dwStyle & WS_DISABLED) ) |
| bResult = DRAG_QueryUpdate(hWnd, spDragInfo); |
| |
| if(bResult) return bResult; |
| } |
| else wParam = 1; |
| } |
| else wParam = 1; |
| |
| ScreenToClient(hQueryWnd,&ptrDragInfo->pt); |
| |
| ptrDragInfo->hScope = hQueryWnd; |
| |
| bResult = SendMessage( hQueryWnd ,WM_QUERYDROPOBJECT , |
| (WPARAM)wParam ,(LPARAM) spDragInfo ); |
| if( !bResult ) |
| ptrDragInfo->pt = pt; |
| |
| return bResult; |
| } |
| |
| /******************************************************************* |
| * DragDetect ( USER.465 ) |
| * |
| */ |
| BOOL DragDetect(HWND hWnd, POINT pt) |
| { |
| MSG msg; |
| RECT rect; |
| |
| rect.left = pt.x - wDragWidth; |
| rect.right = pt.x + wDragWidth; |
| |
| rect.top = pt.y - wDragHeight; |
| rect.bottom = pt.y + wDragHeight; |
| |
| SetCapture(hWnd); |
| |
| while(1) |
| { |
| while(PeekMessage(&msg ,0 ,WM_MOUSEFIRST ,WM_MOUSELAST ,PM_REMOVE)) |
| { |
| if( msg.message == WM_LBUTTONUP ) |
| { |
| ReleaseCapture(); |
| return 0; |
| } |
| if( msg.message == WM_MOUSEMOVE ) |
| { |
| POINT pt = { LOWORD(msg.lParam), HIWORD(msg.lParam) }; |
| if( !PtInRect( &rect, pt ) ) |
| { |
| ReleaseCapture(); |
| return 1; |
| } |
| } |
| } |
| WaitMessage(); |
| } |
| |
| return 0; |
| } |
| |
| /****************************************************************************** |
| * DragObject ( USER.464 ) |
| * |
| */ |
| DWORD DragObject(HWND hwndScope, HWND hWnd, WORD wObj, HANDLE hOfStruct, |
| WORD szList , HCURSOR hCursor) |
| { |
| MSG msg; |
| LPDRAGINFO lpDragInfo; |
| SEGPTR spDragInfo; |
| HCURSOR hDragCursor=0, hOldCursor=0, hBummer=0; |
| HANDLE hDragInfo = GlobalAlloc( 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; |
| |
| fprintf(stdnimp,"DragObject: experimental\n"); |
| |
| lpDragInfo = (LPDRAGINFO) GlobalLock(hDragInfo); |
| spDragInfo = (SEGPTR) WIN16_GlobalLock(hDragInfo); |
| |
| if( !lpDragInfo || !spDragInfo ) return 0L; |
| |
| hBummer = LoadCursor(0,IDC_BUMMER); |
| |
| if( !hBummer || !wndPtr ) |
| { |
| GlobalFree(hDragInfo); |
| return 0L; |
| } |
| |
| if(hCursor) |
| { |
| if( !(hDragCursor = CURSORICON_IconToCursor(hCursor)) ) |
| { |
| GlobalFree(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( !PeekMessage(&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 = "NPFMT"\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 "NPFMT"\n",btemp); |
| |
| /* send WM_DRAGLOOP */ |
| SendMessage( hWnd, WM_DRAGLOOP, (WPARAM)(hCurrentCursor != hBummer) , |
| (LPARAM) spDragInfo ); |
| /* send WM_DRAGSELECT or WM_DRAGMOVE */ |
| if( hCurrentWnd != lpDragInfo->hScope ) |
| { |
| if( hCurrentWnd ) |
| SendMessage( hCurrentWnd, WM_DRAGSELECT, 0, |
| (LPARAM)MAKELONG(LOWORD(spDragInfo)+sizeof(DRAGINFO), |
| HIWORD(spDragInfo)) ); |
| hCurrentWnd = lpDragInfo->hScope; |
| if( hCurrentWnd ) |
| SendMessage( hCurrentWnd, WM_DRAGSELECT, 1, (LPARAM)spDragInfo); |
| } |
| else |
| if( hCurrentWnd ) |
| SendMessage( 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 = SendMessage( lpDragInfo->hScope, WM_DROPOBJECT, |
| hWnd, (LPARAM)spDragInfo ); |
| GlobalFree(hDragInfo); |
| |
| return dwRet; |
| } |
| |