6e8aa701e9
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@12679 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
532 lines
17 KiB
C++
532 lines
17 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: src/msw/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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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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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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#if wxUSE_FILEDLG
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#ifndef WX_PRECOMP
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#include "wx/utils.h"
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#include "wx/msgdlg.h"
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#include "wx/dialog.h"
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#include "wx/filedlg.h"
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#include "wx/intl.h"
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#include "wx/log.h"
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#include "wx/app.h"
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#endif
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#include "wx/msw/private.h"
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#if !defined(__WIN32__) || defined(__SALFORDC__) || defined(__WXWINE__)
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#include <commdlg.h>
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#endif
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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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#include "wx/tokenzr.h"
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#ifndef OFN_EXPLORER
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#define OFN_EXPLORER 0x00080000
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#endif
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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#ifdef __WIN32__
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# define wxMAXPATH 4096
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#else
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# define wxMAXPATH 1024
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#endif
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# define wxMAXFILE 1024
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# define wxMAXEXT 5
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// wxWin macros
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// ----------------------------------------------------------------------------
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IMPLEMENT_CLASS(wxFileDialog, wxDialog)
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// ----------------------------------------------------------------------------
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// global functions
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// ----------------------------------------------------------------------------
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wxString wxFileSelector(const wxChar *title,
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const wxChar *defaultDir,
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const wxChar *defaultFileName,
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const wxChar *defaultExtension,
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const wxChar *filter,
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int flags,
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wxWindow *parent,
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int x, int y)
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{
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// In the original implementation, defaultExtension is passed to the
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// lpstrDefExt member of OPENFILENAME. This extension, if non-NULL, is
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// appended to the filename if the user fails to type an extension. The new
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// implementation (taken from wxFileSelectorEx) appends the extension
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// automatically, by looking at the filter specification. In fact this
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// should be better than the native Microsoft implementation because
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// Windows only allows *one* default extension, whereas here we do the
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// 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
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// suitable filter.
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wxString filter2;
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if ( defaultExtension && !filter )
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filter2 = wxString(wxT("*.")) + 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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wxString defaultFilenameString;
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if (defaultFileName)
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defaultFilenameString = defaultFileName;
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wxFileDialog fileDialog(parent, title, defaultDirString,
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defaultFilenameString, filter2,
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flags, wxPoint(x, y));
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if( wxStrlen(defaultExtension) != 0 )
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{
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int filterFind = 0,
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filterIndex = 0;
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for( unsigned int i = 0; i < filter2.Len(); i++ )
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{
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if( filter2.GetChar(i) == wxT('|') )
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{
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// save the start index of the new filter
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unsigned int is = i++;
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// find the end of the filter
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for( ; i < filter2.Len(); i++ )
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{
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if(filter2[i] == wxT('|'))
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break;
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}
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if( i-is-1 > 0 && is+1 < filter2.Len() )
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{
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if( filter2.Mid(is+1,i-is-1).Contains(defaultExtension) )
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{
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filterFind = filterIndex;
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break;
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}
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}
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filterIndex++;
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}
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}
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fileDialog.SetFilterIndex(filterFind);
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}
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wxString filename;
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if ( fileDialog.ShowModal() == wxID_OK )
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{
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filename = fileDialog.GetPath();
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}
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return filename;
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}
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wxString wxFileSelectorEx(const wxChar *title,
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const wxChar *defaultDir,
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const wxChar *defaultFileName,
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int* defaultFilterIndex,
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const wxChar *filter,
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int flags,
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wxWindow* parent,
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int x,
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int y)
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{
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wxFileDialog fileDialog(parent,
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title ? title : wxT(""),
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defaultDir ? defaultDir : wxT(""),
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defaultFileName ? defaultFileName : wxT(""),
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filter ? filter : wxT(""),
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flags, wxPoint(x, y));
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wxString filename;
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if ( fileDialog.ShowModal() == wxID_OK )
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{
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if ( defaultFilterIndex )
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*defaultFilterIndex = fileDialog.GetFilterIndex();
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filename = fileDialog.GetPath();
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}
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return filename;
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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& WXUNUSED(pos))
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{
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m_message = message;
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m_dialogStyle = style;
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if ( ( m_dialogStyle & wxMULTIPLE ) && ( m_dialogStyle & wxSAVE ) )
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m_dialogStyle &= ~wxMULTIPLE;
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m_parent = parent;
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m_path = wxT("");
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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 = 0;
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}
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void wxFileDialog::GetPaths(wxArrayString& paths) const
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{
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paths.Empty();
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wxString dir(m_dir);
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if ( m_dir.Last() != _T('\\') )
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dir += _T('\\');
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size_t count = m_fileNames.GetCount();
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for ( size_t n = 0; n < count; n++ )
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{
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paths.Add(dir + m_fileNames[n]);
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}
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}
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int wxFileDialog::ShowModal()
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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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if (!hWnd && wxTheApp->GetTopWindow())
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hWnd = (HWND) wxTheApp->GetTopWindow()->GetHWND();
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static wxChar fileNameBuffer [ wxMAXPATH ]; // the file-name
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wxChar titleBuffer [ wxMAXFILE+1+wxMAXEXT ]; // the file-name, without path
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*fileNameBuffer = wxT('\0');
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*titleBuffer = wxT('\0');
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long msw_flags = 0;
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if ( (m_dialogStyle & wxHIDE_READONLY) || (m_dialogStyle & wxSAVE) )
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msw_flags |= OFN_HIDEREADONLY;
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if ( m_dialogStyle & wxFILE_MUST_EXIST )
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msw_flags |= OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
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if (m_dialogStyle & wxMULTIPLE )
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{
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// OFN_EXPLORER must always be specified with OFN_ALLOWMULTISELECT
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msw_flags |= OFN_EXPLORER | OFN_ALLOWMULTISELECT;
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}
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// if wxCHANGE_DIR flag is not given we shouldn't change the CWD
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if ( !(m_dialogStyle & wxCHANGE_DIR) )
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{
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msw_flags |= OFN_NOCHANGEDIR;
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}
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OPENFILENAME of;
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wxZeroMemory(of);
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// the OPENFILENAME struct has been extended in newer version of
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// comcdlg32.dll, but as we don't use the extended fields anyhow, set
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// the struct size to the old value - otherwise, the programs compiled
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// with new headers will not work with the old libraries
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#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0500)
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of.lStructSize = sizeof(OPENFILENAME) -
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(sizeof(void *) + 2*sizeof(DWORD));
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#else // old headers
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of.lStructSize = sizeof(OPENFILENAME);
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#endif
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of.hwndOwner = hWnd;
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of.lpstrTitle = WXSTRINGCAST m_message;
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of.lpstrFileTitle = titleBuffer;
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of.nMaxFileTitle = wxMAXFILE + 1 + wxMAXEXT; // Windows 3.0 and 3.1
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// Convert forward slashes to backslashes (file selector doesn't like
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// forward slashes)
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size_t i = 0;
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size_t len = m_dir.Length();
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for (i = 0; i < len; i++)
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if (m_dir[i] == wxT('/'))
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m_dir[i] = wxT('\\');
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of.lpstrInitialDir = m_dir.c_str();
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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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wxString theFilter;
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if ( wxStrlen(m_wildCard) == 0 )
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theFilter = wxString(wxT("*.*"));
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else
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theFilter = m_wildCard ;
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wxString filterBuffer;
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if ( !wxStrchr( theFilter, wxT('|') ) ) { // only one filter ==> default text
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filterBuffer.Printf(_("Files (%s)|%s"),
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theFilter.c_str(), theFilter.c_str());
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}
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else { // more then one filter
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filterBuffer = theFilter;
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}
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filterBuffer += wxT("|");
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// Replace | with \0
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for (i = 0; i < filterBuffer.Len(); i++ ) {
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if ( filterBuffer.GetChar(i) == wxT('|') ) {
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filterBuffer[i] = wxT('\0');
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}
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}
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of.lpstrFilter = (LPTSTR)(const wxChar *)filterBuffer;
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of.nFilterIndex = m_filterIndex + 1;
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//=== Setting defaultFileName >>=========================================
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wxStrncpy( fileNameBuffer, (const wxChar *)m_fileName, wxMAXPATH-1 );
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fileNameBuffer[ wxMAXPATH-1 ] = wxT('\0');
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of.lpstrFile = fileNameBuffer; // holds returned filename
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of.nMaxFile = wxMAXPATH;
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//== Execute FileDialog >>=================================================
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bool success = (m_dialogStyle & wxSAVE ? GetSaveFileName(&of)
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: GetOpenFileName(&of)) != 0;
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DWORD errCode = CommDlgExtendedError();
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#ifdef __WIN32__
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if (!success && (errCode == CDERR_STRUCTSIZE))
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{
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// The struct size has changed so try a smaller or bigger size
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int oldStructSize = of.lStructSize;
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of.lStructSize = oldStructSize - (sizeof(void *) + 2*sizeof(DWORD));
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success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0)
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: (GetOpenFileName(&of) != 0);
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errCode = CommDlgExtendedError();
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if (!success && (errCode == CDERR_STRUCTSIZE))
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{
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of.lStructSize = oldStructSize + (sizeof(void *) + 2*sizeof(DWORD));
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success = (m_dialogStyle & wxSAVE) ? (GetSaveFileName(&of) != 0)
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: (GetOpenFileName(&of) != 0);
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}
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}
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#endif
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if ( success )
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{
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m_fileNames.Empty();
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if ( ( m_dialogStyle & wxMULTIPLE ) &&
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#if defined(OFN_EXPLORER)
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( fileNameBuffer[of.nFileOffset-1] == wxT('\0') ) )
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#else
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( fileNameBuffer[of.nFileOffset-1] == wxT(' ') ) )
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#endif // OFN_EXPLORER
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{
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#if defined(OFN_EXPLORER)
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m_dir = fileNameBuffer;
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i = of.nFileOffset;
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m_fileName = &fileNameBuffer[i];
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m_fileNames.Add(m_fileName);
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i += m_fileName.Len() + 1;
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while (fileNameBuffer[i] != wxT('\0'))
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{
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m_fileNames.Add(&fileNameBuffer[i]);
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i += wxStrlen(&fileNameBuffer[i]) + 1;
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}
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#else
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wxStringTokenizer toke(fileNameBuffer, " \t\r\n");
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m_dir = toke.GetNextToken();
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m_fileName = toke.GetNextToken();
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m_fileNames.Add(m_fileName);
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while (toke.HasMoreTokens())
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m_fileNames.Add(toke.GetNextToken());
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#endif // OFN_EXPLORER
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wxString dir(m_dir);
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if ( m_dir.Last() != _T('\\') )
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dir += _T('\\');
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m_fileNames.Sort();
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m_path = dir + m_fileName;
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}
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else
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{
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const wxChar* extension = NULL;
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//=== Adding the correct extension >>=================================
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m_filterIndex = (int)of.nFilterIndex - 1;
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if ( !of.nFileExtension || (of.nFileExtension && fileNameBuffer[ of.nFileExtension-1] != wxT('.')) )
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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 + wxStrlen( extension ) +1;
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}
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extension = wxStrrchr( extension, wxT('.') );
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if ( extension // != "blabla"
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&& !wxStrrchr( extension, wxT('*') ) // != "blabla.*"
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&& !wxStrrchr( extension, wxT('?') ) // != "blabla.?"
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&& extension[1] // != "blabla."
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&& extension[1] != wxT(' ') ) // != "blabla. "
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{
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// now concat extension to the fileName:
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m_fileName = wxString(fileNameBuffer) + extension;
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int len = wxStrlen( fileNameBuffer );
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wxStrncpy( fileNameBuffer + len, extension, wxMAXPATH - len );
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fileNameBuffer[ wxMAXPATH -1 ] = wxT('\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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m_fileNames.Add(m_fileName);
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m_dir = wxPathOnly(fileNameBuffer);
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}
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//=== Simulating the wxOVERWRITE_PROMPT >>============================
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if ( (m_dialogStyle & wxOVERWRITE_PROMPT) &&
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::wxFileExists( fileNameBuffer ) )
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{
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wxString messageText;
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messageText.Printf(_("Replace file '%s'?"), fileNameBuffer);
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if ( wxMessageBox(messageText, m_message, wxYES_NO ) != wxYES )
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{
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success = FALSE;
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}
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}
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}
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else
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{
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// common dialog failed - why?
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#ifdef __WXDEBUG__
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DWORD dwErr = CommDlgExtendedError();
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if ( dwErr != 0 )
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{
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// this msg is only for developers
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wxLogError(wxT("Common dialog failed with error code %0lx."),
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dwErr);
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}
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//else: it was just cancelled
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#endif
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}
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return success ? wxID_OK : wxID_CANCEL;
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}
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// Generic file load/save dialog (for internal use only)
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static
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wxString wxDefaultFileSelector(bool load,
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const wxChar *what,
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const wxChar *extension,
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const wxChar *default_name,
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wxWindow *parent)
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{
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wxString prompt;
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wxString str;
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if (load)
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str = _("Load %s file");
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else
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str = _("Save %s file");
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prompt.Printf(str, what);
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const wxChar *ext = extension;
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if (*ext == wxT('.'))
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ext++;
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wxString wild;
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wild.Printf(wxT("*.%s"), ext);
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return wxFileSelector(prompt, NULL, default_name, ext, wild,
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load ? wxOPEN : wxSAVE, parent);
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}
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// Generic file load dialog
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WXDLLEXPORT wxString wxLoadFileSelector(const wxChar *what,
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const wxChar *extension,
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const wxChar *default_name,
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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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WXDLLEXPORT wxString wxSaveFileSelector(const wxChar *what,
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const wxChar *extension,
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const wxChar *default_name,
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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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#endif // wxUSE_FILEDLG
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