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

 #ifndef oxygenhoverdata_h
 #define oxygenhoverdata_h
 /*
 * this file is part of the oxygen gtk engine
 * SPDX-FileCopyrightText: 2010 Hugo Pereira Da Costa <hugo.pereira@free.fr>
 * SPDX-FileCopyrightText: 2010 Ruslan Kabatsayev <b7.10110111@gmail.com>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "oxygensignal.h"
 
 #include <gtk/gtk.h>
 
 namespace Oxygen
 {
     class HoverData
     {
 
         public:
 
         //! constructor
         HoverData( void ):
             _hovered( false ),
             _updateOnHover( false )
         {}
 
         //! destructor
         virtual ~HoverData( void )
         { disconnect( 0L ); }
 
         //! setup connections
         virtual void connect( GtkWidget* );
 
         //! disconnect
         virtual void disconnect( GtkWidget* );
 
         //! true if hovered
         virtual bool hovered( void ) const
         { return _hovered; }
 
         //! true if hover state change should trigger widget repaint
         void setUpdateOnHover( bool value )
         { _updateOnHover = value; }
 
         //! set mouse over state
         virtual bool setHovered( GtkWidget* widget, bool value )
         {
             if( _hovered == value ) return false;
             _hovered = value;
 
             // schedule repaint
             if( _updateOnHover )
             { gtk_widget_queue_draw( widget ); }
 
             return true;
         }
 
         protected:
 
         //!@name static callbacks
         //@{
         static gboolean enterNotifyEvent( GtkWidget*, GdkEventCrossing*, gpointer );
         static gboolean leaveNotifyEvent( GtkWidget*, GdkEventCrossing*, gpointer );
         //@}
 
         private:
 
         //! enter signal id
         Signal _enterId;
 
         //! leave signal id
         Signal _leaveId;
 
         //! true if hovered
         bool _hovered;
 
         //! also update
         bool _updateOnHover;
 
     };
 
 }
 
 #endif