зеркало из https://github.com/mozilla/pjs.git
149 строки
4.4 KiB
C
149 строки
4.4 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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/*------------------------------------------
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POPFILE.C -- Popup Editor File Functions
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(c) Charles Petzold, 1992
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------------------------------------------*/
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#include <windows.h>
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#include <commdlg.h>
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#include <stdlib.h>
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static OPENFILENAME ofn ;
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void PopFileInitialize (HWND hwnd)
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{
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static char *szFilter[] = { "Text Files (*.TXT)", "*.txt",
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"ASCII Files (*.ASC)", "*.asc",
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"All Files (*.*)", "*.*",
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"" } ;
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ofn.lStructSize = sizeof (OPENFILENAME) ;
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ofn.hwndOwner = hwnd ;
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ofn.hInstance = NULL ;
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ofn.lpstrFilter = szFilter [0] ;
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ofn.lpstrCustomFilter = NULL ;
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ofn.nMaxCustFilter = 0 ;
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ofn.nFilterIndex = 0 ;
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ofn.lpstrFile = NULL ; // Set in Open and Close functions
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ofn.nMaxFile = _MAX_PATH ;
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ofn.lpstrFileTitle = NULL ; // Set in Open and Close functions
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ofn.nMaxFileTitle = _MAX_FNAME + _MAX_EXT ;
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ofn.lpstrInitialDir = NULL ;
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ofn.lpstrTitle = NULL ;
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ofn.Flags = 0 ; // Set in Open and Close functions
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ofn.nFileOffset = 0 ;
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ofn.nFileExtension = 0 ;
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ofn.lpstrDefExt = "txt" ;
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ofn.lCustData = 0L ;
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ofn.lpfnHook = NULL ;
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ofn.lpTemplateName = NULL ;
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}
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BOOL PopFileOpenDlg (HWND hwnd, LPSTR lpstrFileName, LPSTR lpstrTitleName)
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{
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ofn.hwndOwner = hwnd ;
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ofn.lpstrFile = lpstrFileName ;
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ofn.lpstrFileTitle = lpstrTitleName ;
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ofn.Flags = OFN_CREATEPROMPT ;
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return GetOpenFileName (&ofn) ;
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}
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BOOL PopFileSaveDlg (HWND hwnd, LPSTR lpstrFileName, LPSTR lpstrTitleName)
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{
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ofn.hwndOwner = hwnd ;
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ofn.lpstrFile = lpstrFileName ;
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ofn.lpstrFileTitle = lpstrTitleName ;
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ofn.Flags = OFN_OVERWRITEPROMPT ;
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return GetSaveFileName (&ofn) ;
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}
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static long PopFileLength (int hFile)
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{
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long lCurrentPos = _llseek (hFile, 0L, 1) ;
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long lFileLength = _llseek (hFile, 0L, 2) ;
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_llseek (hFile, lCurrentPos, 0) ;
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return lFileLength ;
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}
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BOOL PopFileRead (HWND hwndEdit, LPSTR lpstrFileName)
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{
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long lLength ;
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HANDLE hBuffer ;
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int hFile ;
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LPSTR lpstrBuffer ;
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if (-1 == (hFile = _lopen (lpstrFileName, OF_READ | OF_SHARE_DENY_WRITE)))
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return FALSE ;
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if ((lLength = PopFileLength (hFile)) >= 32000)
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{
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_lclose (hFile) ;
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return FALSE ;
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}
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if (NULL == (hBuffer = GlobalAlloc (GHND, lLength + 1)))
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{
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_lclose (hFile) ;
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return FALSE ;
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}
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lpstrBuffer = GlobalLock (hBuffer) ;
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_lread (hFile, lpstrBuffer, (WORD) lLength) ;
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_lclose (hFile) ;
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lpstrBuffer [(WORD) lLength] = '\0' ;
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SetWindowText (hwndEdit, lpstrBuffer) ;
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GlobalUnlock (hBuffer) ;
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GlobalFree (hBuffer) ;
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return TRUE ;
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}
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BOOL PopFileWrite (HWND hwndEdit, LPSTR lpstrFileName)
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{
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HANDLE hBuffer ;
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int hFile ;
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LPSTR lpstrBuffer ;
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WORD wLength ;
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if (-1 == (hFile = _lopen (lpstrFileName, OF_WRITE | OF_SHARE_EXCLUSIVE)))
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if (-1 == (hFile = _lcreat (lpstrFileName, 0)))
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return FALSE ;
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wLength = GetWindowTextLength (hwndEdit) ;
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hBuffer = (HANDLE) SendMessage (hwndEdit, EM_GETHANDLE, 0, 0L) ;
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lpstrBuffer = (LPSTR) LocalLock (hBuffer) ;
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if (wLength != _lwrite (hFile, lpstrBuffer, wLength))
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{
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_lclose (hFile) ;
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return FALSE ;
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}
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_lclose (hFile) ;
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LocalUnlock (hBuffer) ;
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return TRUE ;
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}
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