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1///////////////////////////////////////////////////////////////////////////////
2// Name: wx/msw/custombgwin.h
3// Purpose: wxMSW implementation of wxCustomBackgroundWindow
4// Author: Vadim Zeitlin
5// Created: 2011-10-10
6// RCS-ID: $Id: wxhead.h,v 1.12 2010-04-22 12:44:51 zeitlin Exp $
7// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
8// Licence: wxWindows licence
9///////////////////////////////////////////////////////////////////////////////
10
11#ifndef _WX_MSW_CUSTOMBGWIN_H_
12#define _WX_MSW_CUSTOMBGWIN_H_
13
14#include "wx/bitmap.h"
15#include "wx/brush.h"
16
17// ----------------------------------------------------------------------------
18// wxCustomBackgroundWindow
19// ----------------------------------------------------------------------------
20
21template <class W>
22class wxCustomBackgroundWindow : public W,
23 public wxCustomBackgroundWindowBase
24{
25public:
26 typedef W BaseWindowClass;
27
28 wxCustomBackgroundWindow() { m_backgroundBrush = NULL; }
29
30 virtual ~wxCustomBackgroundWindow() { delete m_backgroundBrush; }
31
32protected:
33 virtual void DoSetBackgroundBitmap(const wxBitmap& bmp)
34 {
35 delete m_backgroundBrush;
36 m_backgroundBrush = bmp.IsOk() ? new wxBrush(bmp) : NULL;
37
38 // Our transparent children should use our background if we have it,
39 // otherwise try to restore m_inheritBgCol to some reasonable value: true
40 // if we also have non-default background colour or false otherwise.
41 BaseWindowClass::m_inheritBgCol = bmp.IsOk()
42 || BaseWindowClass::UseBgCol();
43 }
44
45 virtual WXHBRUSH MSWGetCustomBgBrush()
46 {
47 if ( m_backgroundBrush )
48 return (WXHBRUSH)m_backgroundBrush->GetResourceHandle();
49
50 return BaseWindowClass::MSWGetCustomBgBrush();
51 }
52
53 wxBrush *m_backgroundBrush;
54
55 wxDECLARE_NO_COPY_TEMPLATE_CLASS(wxCustomBackgroundWindow, W);
56};
57
58#endif // _WX_MSW_CUSTOMBGWIN_H_