83 lines
2.3 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: src/common/clntdata.cpp
// Purpose: A mixin class for holding a wxClientData or void pointer
// Author: Robin Dunn
// Modified by:
// Created: 9-Oct-2001
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "wx/clntdata.h"
// ----------------------------------------------------------------------------
wxClientDataContainer::wxClientDataContainer()
{
// no client data (yet)
m_clientData = NULL;
m_clientDataType = wxClientData_None;
}
wxClientDataContainer::~wxClientDataContainer()
{
// we only delete object data, not untyped
if ( m_clientDataType == wxClientData_Object )
delete m_clientObject;
}
void wxClientDataContainer::DoSetClientObject( wxClientData *data )
{
wxASSERT_MSG( m_clientDataType != wxClientData_Void,
wxT("can't have both object and void client data") );
if ( m_clientObject )
delete m_clientObject;
m_clientObject = data;
m_clientDataType = wxClientData_Object;
}
wxClientData *wxClientDataContainer::DoGetClientObject() const
{
// it's not an error to call GetClientObject() on a window which doesn't
// have client data at all - NULL will be returned
wxASSERT_MSG( m_clientDataType != wxClientData_Void,
wxT("this window doesn't have object client data") );
return m_clientObject;
}
void wxClientDataContainer::DoSetClientData( void *data )
{
wxASSERT_MSG( m_clientDataType != wxClientData_Object,
wxT("can't have both object and void client data") );
m_clientData = data;
m_clientDataType = wxClientData_Void;
}
void *wxClientDataContainer::DoGetClientData() const
{
// it's not an error to call GetClientData() on a window which doesn't have
// client data at all - NULL will be returned
wxASSERT_MSG( m_clientDataType != wxClientData_Object,
wxT("this window doesn't have void client data") );
return m_clientData;
}
// ----------------------------------------------------------------------------