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21 
22 
23 
24 #ifndef _SVTOOLS_HELPAGENTWIDNOW_HXX_
25 #define _SVTOOLS_HELPAGENTWIDNOW_HXX_
26 
27 #include "svtools/svtdllapi.h"
28 #include <vcl/floatwin.hxx>
29 #include <vcl/image.hxx>
30 
31 //........................................................................
32 namespace svt
33 {
34 //........................................................................
35 
36 	//====================================================================
37 	//= IHelpAgentCallback
38 	//====================================================================
39 	class IHelpAgentCallback
40 	{
41 	public:
42 		virtual void helpRequested() = 0;
43 		virtual void closeAgent() = 0;
44 	};
45 
46 	//====================================================================
47 	//= HelpAgentWindow
48 	//====================================================================
49 	class SVT_DLLPUBLIC HelpAgentWindow : public FloatingWindow
50 	{
51 	protected:
52 		Window*					m_pCloser;
53 		IHelpAgentCallback*		m_pCallback;
54 		Size					m_aPreferredSize;
55 		Image					m_aPicture;
56 
57 	public:
58 		HelpAgentWindow( Window* _pParent );
59 		~HelpAgentWindow();
60 
61 		/// returns the preferred size of the window
getPreferredSizePixel() const62 		const Size& getPreferredSizePixel() const { return m_aPreferredSize; }
63 
64 		// callback handler maintainance
setCallback(IHelpAgentCallback * _pCB)65 		void				setCallback(IHelpAgentCallback* _pCB) { m_pCallback = _pCB; }
getCallback() const66 		IHelpAgentCallback*	getCallback() const { return m_pCallback; }
67 
68 	protected:
69 		virtual void Resize();
70 		virtual void Paint( const Rectangle& rRect );
71 		virtual void MouseButtonUp( const MouseEvent& rMEvt );
72 
73 		DECL_LINK( OnButtonClicked, Window* );
74 
75 	private:
76 		SVT_DLLPRIVATE Size	implOptimalButtonSize( const Image& _rButtonImage );
77 	};
78 
79 //........................................................................
80 }	// namespace svt
81 //........................................................................
82 
83 #endif	// _SVTOOLS_HELPAGENTWIDNOW_HXX_
84 
85