168 lines
5.5 KiB
C
168 lines
5.5 KiB
C
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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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