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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_dbaccess.hxx"

#ifndef DBAUI_SCROLLHELPER_HXX
#include "ScrollHelper.hxx"
#endif
#ifndef _TOOLS_DEBUG_HXX
#include <tools/debug.hxx>
#endif

#define LISTBOX_SCROLLING_AREA	12
namespace dbaui
{
DBG_NAME(OScrollHelper)

// -----------------------------------------------------------------------------


    OScrollHelper::OScrollHelper()
	{
        DBG_CTOR(OScrollHelper,NULL);
	}
	// -----------------------------------------------------------------------------
	OScrollHelper::~OScrollHelper()
	{
	
        DBG_DTOR(OScrollHelper,NULL);
    }
	// -----------------------------------------------------------------------------
	void OScrollHelper::scroll(const Point& _rPoint, const Size& _rOutputSize)
	{
		// Scrolling Areas
		Rectangle aScrollArea( Point(0, _rOutputSize.Height() - LISTBOX_SCROLLING_AREA),
									 Size(_rOutputSize.Width(), LISTBOX_SCROLLING_AREA) );

		Link aToCall;
		// if pointer in bottom area begin scroll
		if( aScrollArea.IsInside(_rPoint) )
			aToCall = m_aUpScroll;
		else
		{
			aScrollArea.SetPos(Point(0,0));
			// if pointer in top area begin scroll
			if( aScrollArea.IsInside(_rPoint) )
				aToCall = m_aDownScroll;
		}
		if ( aToCall.IsSet() )
			aToCall.Call( NULL );
	}
	// -----------------------------------------------------------------------------
}
// -----------------------------------------------------------------------------