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27 
28 // MARKER(update_precomp.py): autogen include statement, do not remove
29 #include "precompiled_dbaccess.hxx"
30 
31 #ifndef DBAUI_SCROLLHELPER_HXX
32 #include "ScrollHelper.hxx"
33 #endif
34 #ifndef _TOOLS_DEBUG_HXX
35 #include <tools/debug.hxx>
36 #endif
37 
38 #define LISTBOX_SCROLLING_AREA	12
39 namespace dbaui
40 {
41 DBG_NAME(OScrollHelper)
42 
43 // -----------------------------------------------------------------------------
44 
45 
46     OScrollHelper::OScrollHelper()
47 	{
48         DBG_CTOR(OScrollHelper,NULL);
49 	}
50 	// -----------------------------------------------------------------------------
51 	OScrollHelper::~OScrollHelper()
52 	{
53 
54         DBG_DTOR(OScrollHelper,NULL);
55     }
56 	// -----------------------------------------------------------------------------
57 	void OScrollHelper::scroll(const Point& _rPoint, const Size& _rOutputSize)
58 	{
59 		// Scrolling Areas
60 		Rectangle aScrollArea( Point(0, _rOutputSize.Height() - LISTBOX_SCROLLING_AREA),
61 									 Size(_rOutputSize.Width(), LISTBOX_SCROLLING_AREA) );
62 
63 		Link aToCall;
64 		// if pointer in bottom area begin scroll
65 		if( aScrollArea.IsInside(_rPoint) )
66 			aToCall = m_aUpScroll;
67 		else
68 		{
69 			aScrollArea.SetPos(Point(0,0));
70 			// if pointer in top area begin scroll
71 			if( aScrollArea.IsInside(_rPoint) )
72 				aToCall = m_aDownScroll;
73 		}
74 		if ( aToCall.IsSet() )
75 			aToCall.Call( NULL );
76 	}
77 	// -----------------------------------------------------------------------------
78 }
79 // -----------------------------------------------------------------------------
80 
81 
82