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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- /*------------------------------------------
- POPFILE.C -- Popup Editor File Functions
- (c) Charles Petzold, 1992
- ------------------------------------------*/
-
- #include <windows.h>
- #include <commdlg.h>
- #include <stdlib.h>
-
- static OPENFILENAME ofn ;
-
- void PopFileInitialize (HWND hwnd)
- {
- static char *szFilter[] = { "Text Files (*.TXT)", "*.txt",
- "ASCII Files (*.ASC)", "*.asc",
- "All Files (*.*)", "*.*",
- "" } ;
-
- ofn.lStructSize = sizeof (OPENFILENAME) ;
- ofn.hwndOwner = hwnd ;
- ofn.hInstance = NULL ;
- ofn.lpstrFilter = szFilter [0] ;
- ofn.lpstrCustomFilter = NULL ;
- ofn.nMaxCustFilter = 0 ;
- ofn.nFilterIndex = 0 ;
- ofn.lpstrFile = NULL ; // Set in Open and Close functions
- ofn.nMaxFile = _MAX_PATH ;
- ofn.lpstrFileTitle = NULL ; // Set in Open and Close functions
- ofn.nMaxFileTitle = _MAX_FNAME + _MAX_EXT ;
- ofn.lpstrInitialDir = NULL ;
- ofn.lpstrTitle = NULL ;
- ofn.Flags = 0 ; // Set in Open and Close functions
- ofn.nFileOffset = 0 ;
- ofn.nFileExtension = 0 ;
- ofn.lpstrDefExt = "txt" ;
- ofn.lCustData = 0L ;
- ofn.lpfnHook = NULL ;
- ofn.lpTemplateName = NULL ;
- }
-
- BOOL PopFileOpenDlg (HWND hwnd, LPSTR lpstrFileName, LPSTR lpstrTitleName)
- {
- ofn.hwndOwner = hwnd ;
- ofn.lpstrFile = lpstrFileName ;
- ofn.lpstrFileTitle = lpstrTitleName ;
- ofn.Flags = OFN_CREATEPROMPT ;
-
- return GetOpenFileName (&ofn) ;
- }
-
- BOOL PopFileSaveDlg (HWND hwnd, LPSTR lpstrFileName, LPSTR lpstrTitleName)
- {
- ofn.hwndOwner = hwnd ;
- ofn.lpstrFile = lpstrFileName ;
- ofn.lpstrFileTitle = lpstrTitleName ;
- ofn.Flags = OFN_OVERWRITEPROMPT ;
-
- return GetSaveFileName (&ofn) ;
- }
-
- static long PopFileLength (int hFile)
- {
- long lCurrentPos = _llseek (hFile, 0L, 1) ;
- long lFileLength = _llseek (hFile, 0L, 2) ;
-
- _llseek (hFile, lCurrentPos, 0) ;
-
- return lFileLength ;
- }
-
- BOOL PopFileRead (HWND hwndEdit, LPSTR lpstrFileName)
- {
- long lLength ;
- HANDLE hBuffer ;
- int hFile ;
- LPSTR lpstrBuffer ;
-
- if (-1 == (hFile = _lopen (lpstrFileName, OF_READ | OF_SHARE_DENY_WRITE)))
- return FALSE ;
-
- if ((lLength = PopFileLength (hFile)) >= 32000)
- {
- _lclose (hFile) ;
- return FALSE ;
- }
-
- if (NULL == (hBuffer = GlobalAlloc (GHND, lLength + 1)))
- {
- _lclose (hFile) ;
- return FALSE ;
- }
-
- lpstrBuffer = GlobalLock (hBuffer) ;
- _lread (hFile, lpstrBuffer, (WORD) lLength) ;
- _lclose (hFile) ;
- lpstrBuffer [(WORD) lLength] = '\0' ;
-
- SetWindowText (hwndEdit, lpstrBuffer) ;
- GlobalUnlock (hBuffer) ;
- GlobalFree (hBuffer) ;
-
- return TRUE ;
- }
-
- BOOL PopFileWrite (HWND hwndEdit, LPSTR lpstrFileName)
- {
- HANDLE hBuffer ;
- int hFile ;
- LPSTR lpstrBuffer ;
- WORD wLength ;
-
- if (-1 == (hFile = _lopen (lpstrFileName, OF_WRITE | OF_SHARE_EXCLUSIVE)))
- if (-1 == (hFile = _lcreat (lpstrFileName, 0)))
- return FALSE ;
-
- wLength = GetWindowTextLength (hwndEdit) ;
- hBuffer = (HANDLE) SendMessage (hwndEdit, EM_GETHANDLE, 0, 0L) ;
- lpstrBuffer = (LPSTR) LocalLock (hBuffer) ;
-
- if (wLength != _lwrite (hFile, lpstrBuffer, wLength))
- {
- _lclose (hFile) ;
- return FALSE ;
- }
-
- _lclose (hFile) ;
- LocalUnlock (hBuffer) ;
-
- return TRUE ;
- }
-