Avoid an assert when m_dir is empty

[wxWidgets.git] / src / palmos / dirdlg.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        src/palmos/dirdlg.cpp
// Purpose:     wxDirDialog
// Author:      William Osborne - minimal working wxPalmOS port
// Modified by:
// Created:     10.13.04
// RCS-ID:      $Id$
// Copyright:   (c) William Osborne
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
    #pragma hdrstop
#endif

#if wxUSE_DIRDLG

#if defined(__WIN95__) && !defined(__GNUWIN32_OLD__) && wxUSE_OLE

#include "wx/dirdlg.h"

#ifndef WX_PRECOMP
    #include "wx/utils.h"
    #include "wx/dialog.h"
    #include "wx/log.h"
    #include "wx/app.h"     // for GetComCtl32Version()
#endif

#include "wx/palmos/private.h"

// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------

#ifndef MAX_PATH
    #define MAX_PATH 4096      // be generous
#endif

#ifndef BIF_NEWDIALOGSTYLE
    #define BIF_NEWDIALOGSTYLE 0x0040
#endif

#ifndef BIF_NONEWFOLDERBUTTON
    #define BIF_NONEWFOLDERBUTTON  0x0200
#endif

#ifndef BIF_EDITBOX
    #define BIF_EDITBOX 16
#endif

// ----------------------------------------------------------------------------
// wxWidgets macros
// ----------------------------------------------------------------------------

IMPLEMENT_CLASS(wxDirDialog, wxDialog)

// ----------------------------------------------------------------------------
// private functions prototypes
// ----------------------------------------------------------------------------

// free the parameter
static void ItemListFree(LPITEMIDLIST pidl);

// the callback proc for the dir dlg
static int CALLBACK BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp,
                                       LPARAM pData);


// ============================================================================
// implementation
// ============================================================================

// ----------------------------------------------------------------------------
// wxDirDialog
// ----------------------------------------------------------------------------

wxDirDialog::wxDirDialog(wxWindow *parent,
                         const wxString& message,
                         const wxString& defaultPath,
                         long style,
                         const wxPoint& WXUNUSED(pos),
                         const wxSize& WXUNUSED(size),
                         const wxString& WXUNUSED(name))
{
}

void wxDirDialog::SetPath(const wxString& path)
{
}

int wxDirDialog::ShowModal()
{
    return wxID_OK;
}

// ----------------------------------------------------------------------------
// private functions
// ----------------------------------------------------------------------------

static int CALLBACK
BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lp, LPARAM pData)
{
    return 0;
}


static void ItemListFree(LPITEMIDLIST pidl)
{
    if ( pidl )
    {
        LPMALLOC pMalloc;
        SHGetMalloc(&pMalloc);
        if ( pMalloc )
        {
            pMalloc->Free(pidl);
            pMalloc->Release();
        }
        else
        {
            wxLogLastError(wxT("SHGetMalloc"));
        }
    }
}

#else
    #include "../generic/dirdlgg.cpp"
#endif // compiler/platform on which the code here compiles

#endif // wxUSE_DIRDLG