pjs/nsprpub/pr/tests/w16gui/popfind.c

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4.6 KiB
C

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998-2000 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
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* may use your version of this file under either the MPL or the
* GPL.
*/
/*--------------------------------------------------------
POPFIND.C -- Popup Editor Search and Replace Functions
(c) Charles Petzold, 1992
--------------------------------------------------------*/
#include <windows.h>
#include <commdlg.h>
#include <string.h>
#define MAX_STRING_LEN 256
static char szFindText [MAX_STRING_LEN] ;
static char szReplText [MAX_STRING_LEN] ;
HWND PopFindFindDlg (HWND hwnd)
{
static FINDREPLACE fr ; // must be static for modeless dialog!!!
fr.lStructSize = sizeof (FINDREPLACE) ;
fr.hwndOwner = hwnd ;
fr.hInstance = NULL ;
fr.Flags = FR_HIDEUPDOWN | FR_HIDEMATCHCASE | FR_HIDEWHOLEWORD ;
fr.lpstrFindWhat = szFindText ;
fr.lpstrReplaceWith = NULL ;
fr.wFindWhatLen = sizeof (szFindText) ;
fr.wReplaceWithLen = 0 ;
fr.lCustData = 0 ;
fr.lpfnHook = NULL ;
fr.lpTemplateName = NULL ;
return FindText (&fr) ;
}
HWND PopFindReplaceDlg (HWND hwnd)
{
static FINDREPLACE fr ; // must be static for modeless dialog!!!
fr.lStructSize = sizeof (FINDREPLACE) ;
fr.hwndOwner = hwnd ;
fr.hInstance = NULL ;
fr.Flags = FR_HIDEUPDOWN | FR_HIDEMATCHCASE | FR_HIDEWHOLEWORD ;
fr.lpstrFindWhat = szFindText ;
fr.lpstrReplaceWith = szReplText ;
fr.wFindWhatLen = sizeof (szFindText) ;
fr.wReplaceWithLen = sizeof (szReplText) ;
fr.lCustData = 0 ;
fr.lpfnHook = NULL ;
fr.lpTemplateName = NULL ;
return ReplaceText (&fr) ;
}
BOOL PopFindFindText (HWND hwndEdit, int *piSearchOffset, LPFINDREPLACE lpfr)
{
int iPos ;
LOCALHANDLE hLocal ;
LPSTR lpstrDoc, lpstrPos ;
// Get a pointer to the edit document
hLocal = (HWND) SendMessage (hwndEdit, EM_GETHANDLE, 0, 0L) ;
lpstrDoc = (LPSTR) LocalLock (hLocal) ;
// Search the document for the find string
lpstrPos = _fstrstr (lpstrDoc + *piSearchOffset, lpfr->lpstrFindWhat) ;
LocalUnlock (hLocal) ;
// Return an error code if the string cannot be found
if (lpstrPos == NULL)
return FALSE ;
// Find the position in the document and the new start offset
iPos = lpstrPos - lpstrDoc ;
*piSearchOffset = iPos + _fstrlen (lpfr->lpstrFindWhat) ;
// Select the found text
SendMessage (hwndEdit, EM_SETSEL, 0,
MAKELONG (iPos, *piSearchOffset)) ;
return TRUE ;
}
BOOL PopFindNextText (HWND hwndEdit, int *piSearchOffset)
{
FINDREPLACE fr ;
fr.lpstrFindWhat = szFindText ;
return PopFindFindText (hwndEdit, piSearchOffset, &fr) ;
}
BOOL PopFindReplaceText (HWND hwndEdit, int *piSearchOffset, LPFINDREPLACE lpfr)
{
// Find the text
if (!PopFindFindText (hwndEdit, piSearchOffset, lpfr))
return FALSE ;
// Replace it
SendMessage (hwndEdit, EM_REPLACESEL, 0, (long) lpfr->lpstrReplaceWith) ;
return TRUE ;
}
BOOL PopFindValidFind (void)
{
return *szFindText != '\0' ;
}