added some wxMSW stuff
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Karsten Ballüder
356
src/msw/filedlg.cpp
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356
src/msw/filedlg.cpp
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/////////////////////////////////////////////////////////////////////////////
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// Name: filedlg.cpp
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// Purpose: wxFileDialog
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// Author: Julian Smart
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// Modified by:
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// Created: 01/02/97
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart and Markus Holzem
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "filedlg.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include <stdio.h>
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#include "wx/defs.h"
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#include "wx/utils.h"
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#include "wx/dialog.h"
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#include "wx/filedlg.h"
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#endif
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#include <windows.h>
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#ifndef __WIN32__
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#include <commdlg.h>
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#endif
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#include "wx/msw/private.h"
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#define wxDIALOG_DEFAULT_X 300
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#define wxDIALOG_DEFAULT_Y 300
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#if !USE_SHARED_LIBRARY
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IMPLEMENT_CLASS(wxFileDialog, wxDialog)
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#endif
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char *wxFileSelector(const char *title,
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const char *defaultDir, const char *defaultFileName,
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const char *defaultExtension, const char *filter, int flags,
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wxWindow *parent, int x, int y)
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{
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// In the original implementation, defaultExtension is passed to the lpstrDefExt member
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// of OPENFILENAME. This extension, if non-NULL, is appended to the filename if the user
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// fails to type an extension.
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// The new implementation (taken from wxFileSelectorEx) appends the extension automatically,
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// by looking at the filter specification. In fact this should be better than the
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// native Microsoft implementation because Windows only allows *one* default extension,
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// whereas here we do the right thing depending on the filter the user has chosen.
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// If there's a default extension specified but no filter, we create a suitable
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// filter.
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wxString filter2("");
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if ( defaultExtension && !filter )
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filter2 = wxString("*.") + wxString(defaultExtension) ;
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else if ( filter )
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filter2 = filter;
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wxString defaultDirString;
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if (defaultDir)
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defaultDirString = defaultDir;
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else
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defaultDirString = "";
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wxString defaultFilenameString;
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if (defaultFileName)
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defaultFilenameString = defaultFileName;
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else
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defaultFilenameString = "";
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wxFileDialog fileDialog(parent, title, defaultDirString, defaultFilenameString, filter2, flags, wxPoint(x, y));
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if ( fileDialog.ShowModal() == wxID_OK )
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{
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strcpy(wxBuffer, (const char *)fileDialog.GetPath());
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return wxBuffer;
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}
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else
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return NULL;
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}
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# if __BORLANDC__
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# include <dir.h> // for MAXPATH etc. ( Borland 3.1 )
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# endif
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# ifndef MAXPATH
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# define MAXPATH 400
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# endif
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# ifndef MAXDRIVE
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# define MAXDRIVE 3
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# endif
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# ifndef MAXFILE
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# define MAXFILE 9
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# endif
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# ifndef MAXEXT
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# define MAXEXT 5
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# endif
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char *wxFileSelectorEx( const char *title,
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const char *defaultDir,
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const char *defaultFileName,
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int* defaultFilterIndex,
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const char *filter,
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const int flags,
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wxWindow* parent,
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const int x,
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const int y)
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{
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wxFileDialog fileDialog(parent, title ? title : "", defaultDir ? defaultDir : "",
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defaultFileName ? defaultFileName : "", filter ? filter : "", flags, wxPoint(x, y));
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if ( fileDialog.ShowModal() == wxID_OK )
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{
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*defaultFilterIndex = fileDialog.GetFilterIndex();
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strcpy(wxBuffer, (const char *)fileDialog.GetPath());
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return wxBuffer;
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}
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else
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return NULL;
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}
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wxFileDialog::wxFileDialog(wxWindow *parent, const wxString& message,
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const wxString& defaultDir, const wxString& defaultFileName, const wxString& wildCard,
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long style, const wxPoint& pos)
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{
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m_message = message;
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m_dialogStyle = style;
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m_parent = parent;
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m_path = "";
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m_fileName = defaultFileName;
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m_dir = defaultDir;
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m_wildCard = wildCard;
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m_filterIndex = 1;
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}
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int wxFileDialog::ShowModal(void)
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{
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HWND hWnd = 0;
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if (m_parent) hWnd = (HWND) m_parent->GetHWND();
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static char fileNameBuffer [ MAXPATH ]; // the file-name
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char titleBuffer [ MAXFILE+1+MAXEXT ]; // the file-name, without path
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*fileNameBuffer = '\0';
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*titleBuffer = '\0';
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char* filterBuffer = NULL;
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char* extension = NULL;
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char* theFilter = (char *)(const char *)m_wildCard;
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long msw_flags = 0;
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if ( (m_dialogStyle & wxHIDE_READONLY) || (m_dialogStyle & wxSAVE) ) { msw_flags |= OFN_HIDEREADONLY; }
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OPENFILENAME of;
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memset(&of, 0, sizeof(OPENFILENAME));
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of.lpstrCustomFilter = NULL; // system should not save custom filter
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of.nMaxCustFilter = 0L;
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of.nFileOffset = 0; // 0-based pointer to filname in lpstFile
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of.nFileExtension = 0; // 0-based pointer to extension in lpstrFile
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of.lpstrDefExt = NULL; // no default extension
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of.lStructSize = sizeof(OPENFILENAME);
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of.hwndOwner = hWnd;
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of.lpstrTitle = (char *)(const char *)m_message;
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of.lpstrFileTitle = titleBuffer;
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of.nMaxFileTitle = MAXFILE + 1 + MAXEXT; // Windows 3.0 and 3.1
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of.lpstrInitialDir = (const char *) m_dir;
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of.Flags = msw_flags;
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//=== Like Alejandro Sierra's wildcard modification >>===================
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/*
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In wxFileSelector you can put, instead of a single wild_card,
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pairs of strings separated by '|'.
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The first string is a description, and the
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second is the wild card. You can put any number of pairs.
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eg. "description1 (*.ex1)|*.ex1|description2 (*.ex2)|*.ex2"
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If you put a single wild card, it works as before the modification.
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*/
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//=======================================================================
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if ( !theFilter || (strcmp(theFilter, "") == 0)) theFilter = "*.*";
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int filterBufferLen = 0;
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if ( !strchr( theFilter, '|' ) ) { // only one filter ==> default text:
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char buffText[] = "Files (%s)|%s";
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filterBufferLen = strlen( theFilter )*2 + strlen( buffText ) -4;
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filterBuffer = new char[ filterBufferLen +2 ];
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if ( filterBuffer ) {
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sprintf( filterBuffer, buffText, theFilter, theFilter );
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}
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}
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else { // more then one filter
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filterBufferLen = strlen( theFilter );
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filterBuffer = new char[ filterBufferLen +2 ];
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if ( filterBuffer ) {
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strcpy( filterBuffer, theFilter );
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}
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}
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if ( filterBuffer ) { // Substituting '|' with '\0'
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for ( int i = 0; i < filterBufferLen; i++ ) {
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if ( filterBuffer[i] == '|' ) { filterBuffer[i] = '\0'; }
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}
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}
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filterBuffer[filterBufferLen+1] = '\0';
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of.lpstrFilter = (LPSTR)filterBuffer;
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of.nFilterIndex = m_filterIndex;
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//=== Setting defaultFileName >>=========================================
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strncpy( fileNameBuffer, (const char *)m_fileName, MAXPATH-1 );
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fileNameBuffer[ MAXPATH-1 ] = '\0';
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of.lpstrFile = fileNameBuffer; // holds returned filename
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of.nMaxFile = MAXPATH;
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//== Execute FileDialog >>=================================================
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bool success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0) : (GetOpenFileName(&of) != 0);
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if ( success )
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{
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//=== Adding the correct extension >>=================================
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m_filterIndex = (int)of.nFilterIndex;
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if ( of.nFileExtension && fileNameBuffer[ of.nFileExtension-1] != '.' )
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{ // user has typed an filename
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// without an extension:
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int maxFilter = (int)(of.nFilterIndex*2L-1L);
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extension = filterBuffer;
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for( int i = 0; i < maxFilter; i++ ) { // get extension
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extension = extension + strlen( extension ) +1;
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}
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if ( (extension = strrchr( extension, '.' )) // != "blabla"
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&& !strrchr( extension, '*' ) // != "blabla.*"
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&& !strrchr( extension, '?' ) // != "blabla.?"
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&& extension[1] // != "blabla."
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&& extension[1] != ' ' ) // != "blabla. "
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{
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// now concat extension to the fileName:
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m_fileName = wxString(fileNameBuffer) + wxString(extension);
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int len = strlen( fileNameBuffer );
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strncpy( fileNameBuffer + len, extension, MAXPATH - len );
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fileNameBuffer[ MAXPATH -1 ] = '\0';
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}
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}
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m_path = fileNameBuffer;
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m_fileName = wxFileNameFromPath(fileNameBuffer);
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//=== Simulating the wxOVERWRITE_PROMPT >>============================
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if ( (m_dialogStyle & wxOVERWRITE_PROMPT) && ::wxFileExists( fileNameBuffer ) )
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{
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char questionText[] = "Replace file\n%s?";
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char* messageText = new char[strlen(questionText)+strlen(fileNameBuffer)-1];
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sprintf( messageText, questionText, fileNameBuffer );
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if ( messageText && ( wxMessageBox( (const char *)messageText, m_message, wxYES_NO ) != wxYES ) )
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{
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success = FALSE;
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}
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delete[] messageText;
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}
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} // END: if ( success )
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delete[] filterBuffer;
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return (success ? wxID_OK : wxID_CANCEL) ;
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}
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#define wxDIALOG_DEFAULT_X 300
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#define wxDIALOG_DEFAULT_Y 300
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// Generic file load/save dialog
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// static inline char * // HP compiler complains
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static char *
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wxDefaultFileSelector(bool load, const char *what, const char *extension, const char *default_name, wxWindow *parent)
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{
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char *ext = (char *)extension;
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char prompt[50];
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wxString str;
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if (load)
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str = (const char*) wxTString("Load %s file");
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else
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str = (const char*) wxTString("Save %s file");
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sprintf(prompt, str, what);
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if (*ext == '.') ext++;
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char wild[60];
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sprintf(wild, "*.%s", ext);
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return wxFileSelector (prompt, NULL, default_name, ext, wild, 0, parent);
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}
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// Generic file load dialog
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char *
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wxLoadFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
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{
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return wxDefaultFileSelector(TRUE, what, extension, default_name, parent);
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}
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// Generic file save dialog
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char *
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wxSaveFileSelector(const char *what, const char *extension, const char *default_name, wxWindow *parent)
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{
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return wxDefaultFileSelector(FALSE, what, extension, default_name, parent);
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}
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