slideshow/source/inc/userpainteventhandler.hxx

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   9  * This file incorporates work covered by the following license notice:
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  12  *   contributor license agreements. See the NOTICE file distributed
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX
  21 #define INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX
  22
  23 #include <boost/shared_ptr.hpp>
  24
  25 /* Definition of UserPaintEventHandler interface */
  26
  27 namespace slideshow
  28 {
  29     namespace internal
  30     {
  31         class RGBColor;
  32
  33         /** Interface for handling user paint state changes.
  34
  35             Classes implementing this interface can be added to an
  36             EventMultiplexer object, and are called from there to
  37             handle user paint events.
  38          */
  39         class UserPaintEventHandler
  40         {
  41         public:
  42             virtual ~UserPaintEventHandler() {}
  43             virtual bool colorChanged( RGBColor const& rUserColor ) = 0;
  44         virtual bool widthChanged( double nUserStrokeWidth ) = 0;
  45         virtual bool eraseAllInkChanged(bool const& rEraseAllInk) =0;
  46             virtual bool eraseInkWidthChanged(sal_Int32 rEraseInkSize) =0;
  47             virtual bool switchEraserMode() = 0;
  48             virtual bool switchPenMode() = 0;
  49             virtual bool disable() = 0;
  50         };
  51
  52         typedef ::boost::shared_ptr< UserPaintEventHandler > UserPaintEventHandlerSharedPtr;
  53
  54     }
  55 }
  56
  57 #endif /* INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX */
  58
  59 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */