AOO410/main/svtools/inc/svtools/helpagentwindow.hxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
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#ifndef _SVTOOLS_HELPAGENTWIDNOW_HXX_
#define _SVTOOLS_HELPAGENTWIDNOW_HXX_

#include "svtools/svtdllapi.h"
#include <vcl/floatwin.hxx>
#include <vcl/image.hxx>

//........................................................................
namespace svt
{
//........................................................................

	//====================================================================
	//= IHelpAgentCallback
	//====================================================================
	class IHelpAgentCallback
	{
	public:
		virtual void helpRequested() = 0;
		virtual void closeAgent() = 0;
	};

	//====================================================================
	//= HelpAgentWindow
	//====================================================================
	class SVT_DLLPUBLIC HelpAgentWindow : public FloatingWindow
	{
	protected:
		Window*					m_pCloser;
		IHelpAgentCallback*		m_pCallback;
		Size					m_aPreferredSize;
		Image					m_aPicture;

	public:
		HelpAgentWindow( Window* _pParent );
		~HelpAgentWindow();

		/// returns the preferred size of the window
		const Size& getPreferredSizePixel() const { return m_aPreferredSize; }

		// callback handler maintainance
		void				setCallback(IHelpAgentCallback* _pCB) { m_pCallback = _pCB; }
		IHelpAgentCallback*	getCallback() const { return m_pCallback; }

	protected:
		virtual void Resize();
		virtual void Paint( const Rectangle& rRect );
		virtual void MouseButtonUp( const MouseEvent& rMEvt );

		DECL_LINK( OnButtonClicked, Window* );

	private:
		SVT_DLLPRIVATE Size	implOptimalButtonSize( const Image& _rButtonImage );
	};

//........................................................................
}	// namespace svt
//........................................................................

#endif	// _SVTOOLS_HELPAGENTWIDNOW_HXX_