File indexing completed on 2024-05-12 05:34:32

 #ifndef oxygenbaseengine_h
 #define oxygenbaseengine_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 <gtk/gtk.h>
 #include <vector>
 
 namespace Oxygen
 {
 
     //! forward declaration
     class Animations;
 
     //! base class for all engines
     /*! engines map pointers to GtkWidget to some data, needed for animations */
     class BaseEngine
     {
         public:
 
         //! constructor
         BaseEngine( Animations* parent ):
             _parent( parent ),
             _enabled( true )
         {}
 
         virtual ~BaseEngine()
         {}
 
         //! register widget
         virtual bool registerWidget( GtkWidget* widget );
 
         //! unregister widget
         virtual void unregisterWidget( GtkWidget* ) = 0;
 
         //! engine list
         typedef std::vector< BaseEngine* > List;
 
         //! enable state
         /*! returns true if changed */
         virtual bool setEnabled( bool value )
         {
             if( _enabled == value ) return false;
             _enabled = value;
             return true;
         }
 
         //! enable state
         bool enabled( void ) const
         { return _enabled; }
 
         protected:
 
         //! returns parent
         virtual Animations& parent( void ) const
         { return *_parent; }
 
         private:
 
         //! parent
         Animations* _parent;
 
         //! enable flag
         bool _enabled;
 
     };
 
 }
 
 #endif