File indexing completed on 2024-05-12 05:34:35

 #ifndef oxygenscrollbardata_h
 #define oxygenscrollbardata_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 "oxygensignal.h"
 #include "oxygentimer.h"
 
 #include <gtk/gtk.h>
 
 namespace Oxygen
 {
     // track scrollbars
     class ScrollBarData
     {
 
         public:
 
         //! constructor
         ScrollBarData( void ):
             _target( 0L ),
             _updatesDelayed( false ),
             _delay( 10 ),
             _locked( false )
         {}
 
         //! destructor
         virtual ~ScrollBarData( void )
         { disconnect( _target ); }
 
         //! setup connections
         void connect( GtkWidget* );
 
         //! disconnect
         void disconnect( GtkWidget* );
 
         //! toggle delayed updates
         void setUpdatesDelayed( bool value )
         { _updatesDelayed = value; }
 
         //! set delay
         void setDelay( int value )
         { _delay = value; }
 
         protected:
 
         static void valueChanged( GtkRange*, gpointer );
 
         //! delayed update
         static gboolean delayedUpdate( gpointer );
 
         private:
 
         //! pointer to associated widget
         GtkWidget* _target;
 
         //! true if updates are delayed
         bool _updatesDelayed;
 
         //! update delay
         int _delay;
 
         //! timer
         Timer _timer;
 
         //! true if next update must be delayed
         bool _locked;
 
         //! signal
         Signal _valueChangedId;
 
     };
 
 }
 
 #endif