include/toolkit/awt/scrollabledialog.hxx

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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
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  19
  20 #ifndef TOOLKIT_AWT_SCROLLABLEDIALOG_HXX
  21 #define TOOLKIT_AWT_SCROLLABLEDIALOG_HXX
  22
  23 #include <vcl/dialog.hxx>
  24 #include <vcl/scrbar.hxx>
  25
  26 //........................................................................
  27 namespace toolkit
  28 {
  29     class ScrollableInterface
  30     {
  31     public:
  32         virtual ~ScrollableInterface() {}
  33         virtual void    SetScrollWidth( long nWidth ) = 0;
  34         virtual long    GetScrollWidth() = 0;
  35         virtual void    SetScrollHeight( long nHeight ) = 0;
  36         virtual long    GetScrollHeight() = 0;
  37         virtual void    SetScrollLeft( long nLeft ) = 0;
  38         virtual long    GetScrollLeft() = 0;
  39         virtual void    SetScrollTop( long Top ) = 0;
  40         virtual long    GetScrollTop() = 0;
  41     };
  42
  43   template < class T >
  44     class ScrollableWrapper : public T, public ScrollableInterface
  45     {
  46         ScrollBar          maHScrollBar;
  47         ScrollBar          maVScrollBar;
  48         Size               maScrollArea;
  49         bool               mbHasHoriBar;
  50         bool               mbHasVertBar;
  51         Point              mnScrollPos;
  52         long               mnScrWidth;
  53
  54     public:
  55         enum ScrollBarVisibility { None, Vert, Hori, Both };
  56     private:
  57         ScrollBarVisibility maScrollVis;
  58         void    lcl_Scroll( long nX, long nY );
  59     public:
  60         ScrollableWrapper( Window* pParent, WinBits nStyle = WB_STDDIALOG );
  61         virtual ~ScrollableWrapper();
  62         virtual void    SetScrollWidth( long nWidth );
  63         virtual long    GetScrollWidth() { return maScrollArea.Width(); }
  64         virtual void    SetScrollHeight( long nHeight );
  65         virtual long    GetScrollHeight() { return maScrollArea.Height(); }
  66         virtual void    SetScrollLeft( long nLeft );
  67         virtual long    GetScrollLeft() { return mnScrollPos.X(); }
  68         virtual void    SetScrollTop( long Top );
  69         virtual long    GetScrollTop() { return mnScrollPos.Y() ; }
  70
  71         void setScrollVisibility( ScrollBarVisibility rState );
  72         DECL_LINK( ScrollBarHdl, ScrollBar* );
  73         virtual void ResetScrollBars();
  74         // Window
  75         virtual void Resize();
  76     };
  77 //........................................................................
  78 } // namespacetoolkit
  79 //........................................................................
  80
  81 #endif // TOOLKIT_AWT_SCROLLABLEDIALOG_HXX
  82
  83 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */