1/////////////////////////////////////////////////////////////////////////////
2// Name:        common/clntdata.cpp
3// Purpose:     A mixin class for holding a wxClientData or void pointer
4// Author:      Robin Dunn
5// Modified by:
6// Created:     9-Oct-2001
7// RCS-ID:      $Id: clntdata.cpp 35650 2005-09-23 12:56:45Z MR $
8// Copyright:   (c) wxWidgets team
9// Licence:     wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// For compilers that support precompilation, includes "wx.h".
13#include "wx/wxprec.h"
14
15#ifdef __BORLANDC__
16    #pragma hdrstop
17#endif
18
19#include "wx/clntdata.h"
20
21
22// ----------------------------------------------------------------------------
23
24
25wxClientDataContainer::wxClientDataContainer()
26{
27    // no client data (yet)
28    m_clientData = NULL;
29    m_clientDataType = wxClientData_None;
30}
31
32wxClientDataContainer::~wxClientDataContainer()
33{
34    // we only delete object data, not untyped
35    if ( m_clientDataType == wxClientData_Object )
36        delete m_clientObject;
37}
38
39void wxClientDataContainer::DoSetClientObject( wxClientData *data )
40{
41    wxASSERT_MSG( m_clientDataType != wxClientData_Void,
42                  wxT("can't have both object and void client data") );
43
44    if ( m_clientObject )
45        delete m_clientObject;
46
47    m_clientObject = data;
48    m_clientDataType = wxClientData_Object;
49}
50
51wxClientData *wxClientDataContainer::DoGetClientObject() const
52{
53    // it's not an error to call GetClientObject() on a window which doesn't
54    // have client data at all - NULL will be returned
55    wxASSERT_MSG( m_clientDataType != wxClientData_Void,
56                  wxT("this window doesn't have object client data") );
57
58    return m_clientObject;
59}
60
61void wxClientDataContainer::DoSetClientData( void *data )
62{
63    wxASSERT_MSG( m_clientDataType != wxClientData_Object,
64                  wxT("can't have both object and void client data") );
65
66    m_clientData = data;
67    m_clientDataType = wxClientData_Void;
68}
69
70void *wxClientDataContainer::DoGetClientData() const
71{
72    // it's not an error to call GetClientData() on a window which doesn't have
73    // client data at all - NULL will be returned
74    wxASSERT_MSG( m_clientDataType != wxClientData_Object,
75                  wxT("this window doesn't have void client data") );
76
77    return m_clientData;
78}
79
80
81// ----------------------------------------------------------------------------
82
83
84