File indexing completed on 2024-05-12 05:34:33

 #ifndef oxygengenericengine_h
 #define oxygengenericengine_h
 /*
 * this file is part of the oxygen gtk engine
 * SPDX-FileCopyrightText: 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 
 #include "oxygenbaseengine.h"
 #include "oxygendatamap.h"
 
 #include <gtk/gtk.h>
 
 namespace Oxygen
 {
     //! forward declaration
     class Animations;
 
     //! associates widgets with some type of data
     template< typename T>
     class GenericEngine: public BaseEngine
     {
 
         public:
 
         //! constructor
         GenericEngine( Animations* widget ):
             BaseEngine( widget )
             {}
 
         //! destructor
         virtual ~GenericEngine( void )
         {}
 
         //! register widget
         virtual bool registerWidget( GtkWidget* widget )
         {
             if( _data.contains( widget ) ) return false;
             if( enabled() )
             {
 
                 T& data( _data.registerWidget( widget ) );
                 data.connect( widget );
 
             } else _data.registerWidget( widget );
 
             BaseEngine::registerWidget( widget );
             return true;
 
         }
 
         //! unregister widget
         virtual void unregisterWidget( GtkWidget* widget )
         {
             if( !_data.contains( widget ) ) return;
             _data.value( widget ).disconnect( widget );
             _data.erase( widget );
         }
 
         //! enabled state
         /*! returns true if changed */
         inline virtual bool setEnabled( bool value );
 
         //! true if widget is included
         virtual bool contains( GtkWidget* widget )
         { return _data.contains( widget ); }
 
         protected:
 
         //! return refence to data
         virtual DataMap<T>& data( void )
         { return _data; }
 
         //! return refence to data
         virtual const DataMap<T>& data( void ) const
         { return _data; }
 
         private:
 
         //! map widgets to data
         DataMap<T> _data;
 
     };
 
     //________________________________________________________________________
     template< typename T> bool GenericEngine<T>::setEnabled( bool value )
     {
         if( enabled() == value ) return false;
 
         BaseEngine::setEnabled( value );
         if( enabled() ) _data.connectAll();
         else _data.disconnectAll();
 
         return true;
 
     }
 
 }
 
 #endif