ecb35373ee
Suppress g++ warnings about a class with virtual methods but non-virtual dtor by making the dtor virtual even if we don't need it to be virtual in this class. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@69930 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/custombgwin.h
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// Purpose: Class adding support for custom window backgrounds.
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// Author: Vadim Zeitlin
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// Created: 2011-10-10
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// RCS-ID: $Id: wxhead.h,v 1.12 2010-04-22 12:44:51 zeitlin Exp $
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// Copyright: (c) 2011 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_CUSTOMBGWIN_H_
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#define _WX_CUSTOMBGWIN_H_
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// ----------------------------------------------------------------------------
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// wxCustomBackgroundWindow: Adds support for custom backgrounds to any
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// wxWindow-derived class.
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// ----------------------------------------------------------------------------
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class wxCustomBackgroundWindowBase
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{
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public:
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// Trivial default ctor.
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wxCustomBackgroundWindowBase() { }
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// Also a trivial but virtual -- to suppress g++ warnings -- dtor.
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virtual ~wxCustomBackgroundWindowBase() { }
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// Use the given bitmap to tile the background of this window. This bitmap
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// will show through any transparent children.
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//
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// Notice that you must not prevent the base class EVT_ERASE_BACKGROUND
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// handler from running (i.e. not to handle this event yourself) for this
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// to work.
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void SetBackgroundBitmap(const wxBitmap& bmp)
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{
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DoSetBackgroundBitmap(bmp);
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}
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protected:
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virtual void DoSetBackgroundBitmap(const wxBitmap& bmp) = 0;
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wxDECLARE_NO_COPY_CLASS(wxCustomBackgroundWindowBase);
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};
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#if defined(__WXUNIVERSAL__)
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#include "wx/univ/custombgwin.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/custombgwin.h"
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#else
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#include "wx/generic/custombgwin.h"
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#endif
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#endif // _WX_CUSTOMBGWIN_H_
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