tree ctrl sorting shouldn't crash when items don't have data

[wxWidgets.git] / src / gtk / listbox.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        listbox.cpp
// Purpose:
// Author:      Robert Roebling
// Id:          $Id$
// Copyright:   (c) 1998 Robert Roebling
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////


#ifdef __GNUG__
#pragma implementation "listbox.h"
#endif

#include "wx/dynarray.h"
#include "wx/listbox.h"
#include "wx/utils.h"
#include "wx/intl.h"
#include "wx/checklst.h"
#include "wx/settings.h"

#if wxUSE_TOOLTIPS
#include "wx/tooltip.h"
#endif

#if wxUSE_DRAG_AND_DROP
#include "wx/dnd.h"
#endif

#include "gdk/gdk.h"
#include "gtk/gtk.h"

//-----------------------------------------------------------------------------
// idle system
//-----------------------------------------------------------------------------

extern void wxapp_install_idle_handler();
extern bool g_isIdle;

//-------------------------------------------------------------------------
// conditional compilation
//-------------------------------------------------------------------------

#if (GTK_MINOR_VERSION > 0)
#define NEW_GTK_SCROLL_CODE
#endif

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

#define CHECKBOX_STRING "[-] "