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///////////////////////////////////////////////////////////////////////////////
// Name: wx/msw/custombgwin.h
// Purpose: wxMSW implementation of wxCustomBackgroundWindow
// Author: Vadim Zeitlin
// Created: 2011-10-10
// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
///////////////////////////////////////////////////////////////////////////////
#ifndef _WX_MSW_CUSTOMBGWIN_H_
#define _WX_MSW_CUSTOMBGWIN_H_
#include "wx/bitmap.h"
#include "wx/brush.h"
// ----------------------------------------------------------------------------
// wxCustomBackgroundWindow
// ----------------------------------------------------------------------------
template <class W>
class wxCustomBackgroundWindow : public W,
public wxCustomBackgroundWindowBase
{
public:
typedef W BaseWindowClass;
wxCustomBackgroundWindow() { m_backgroundBrush = NULL; }
virtual ~wxCustomBackgroundWindow() { delete m_backgroundBrush; }
protected:
virtual void DoSetBackgroundBitmap(const wxBitmap& bmp)
{
delete m_backgroundBrush;
m_backgroundBrush = bmp.IsOk() ? new wxBrush(bmp) : NULL;
// Our transparent children should use our background if we have it,
// otherwise try to restore m_inheritBgCol to some reasonable value: true
// if we also have non-default background colour or false otherwise.
BaseWindowClass::m_inheritBgCol = bmp.IsOk()
|| BaseWindowClass::UseBgCol();
}
virtual WXHBRUSH MSWGetCustomBgBrush()
{
if ( m_backgroundBrush )
return (WXHBRUSH)m_backgroundBrush->GetResourceHandle();
return BaseWindowClass::MSWGetCustomBgBrush();
}
wxBrush *m_backgroundBrush;
wxDECLARE_NO_COPY_TEMPLATE_CLASS(wxCustomBackgroundWindow, W);
};
#endif // _WX_MSW_CUSTOMBGWIN_H_
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