dbaccess/source/ui/control/ScrollHelper.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_dbaccess.hxx"
  33
  34 #ifndef DBAUI_SCROLLHELPER_HXX
  35 #include "ScrollHelper.hxx"
  36 #endif
  37 #ifndef _TOOLS_DEBUG_HXX
  38 #include <tools/debug.hxx>
  39 #endif
  40
  41 #define LISTBOX_SCROLLING_AREA  12
  42 namespace dbaui
  43 {
  44 DBG_NAME(OScrollHelper)
  45
  46 // -----------------------------------------------------------------------------
  47
  48
  49     OScrollHelper::OScrollHelper()
  50     {
  51         DBG_CTOR(OScrollHelper,NULL);
  52     }
  53     // -----------------------------------------------------------------------------
  54     OScrollHelper::~OScrollHelper()
  55     {
  56
  57         DBG_DTOR(OScrollHelper,NULL);
  58     }
  59     // -----------------------------------------------------------------------------
  60     void OScrollHelper::scroll(const Point& _rPoint, const Size& _rOutputSize)
  61     {
  62         // Scrolling Areas
  63         Rectangle aScrollArea( Point(0, _rOutputSize.Height() - LISTBOX_SCROLLING_AREA),
  64                                      Size(_rOutputSize.Width(), LISTBOX_SCROLLING_AREA) );
  65
  66         Link aToCall;
  67         // if pointer in bottom area begin scroll
  68         if( aScrollArea.IsInside(_rPoint) )
  69             aToCall = m_aUpScroll;
  70         else
  71         {
  72             aScrollArea.SetPos(Point(0,0));
  73             // if pointer in top area begin scroll
  74             if( aScrollArea.IsInside(_rPoint) )
  75                 aToCall = m_aDownScroll;
  76         }
  77         if ( aToCall.IsSet() )
  78             aToCall.Call( NULL );
  79     }
  80     // -----------------------------------------------------------------------------
  81 }
  82 // -----------------------------------------------------------------------------
  83
  84