/* Copyright 2005 Nicholas Bishop
 * 
 * This file is part of SharpConstruct.
 *
 * SharpConstruct is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * SharpConstruct is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with SharpConstruct; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef SLIDER_HH
#define SLIDER_HH

#include <gtkmm/range.h>

namespace SharpConstruct
{
	namespace GInterface
	{
		class Slider : public Gtk::Range
		{
		public:
			Slider();
			Slider( const double, const double );

			double Start() const;
			void SetStart( const double );
			
			bool Snap() const;
			void SetSnap( const bool );

			double Range() const;

			bool InSlide() const;

			typedef sigc::signal< void, const double > SliderSignal;
			SliderSignal& SignalStart();
			SliderSignal& SignalContinue();
			SliderSignal& SignalEnd();
		protected:
			virtual bool on_button_press_event( GdkEventButton* );
			virtual bool on_button_release_event( GdkEventButton* );
			virtual bool on_expose_event( GdkEventExpose* );
			virtual bool on_motion_notify_event( GdkEventMotion* );
			virtual void on_realize();
			virtual void on_size_request( Gtk::Requisition* );
		private:
			void start_slide_();
			void continue_slide_();
			void end_slide_();

			int amount_to_loc_( const double ) const;
			double loc_to_amount_( const int ) const;

			SliderSignal signal_start_;
			SliderSignal signal_continue_;
			SliderSignal signal_end_;

			double start_;
			bool snap_;

			int mouse_down_x_;
			double original_;
			bool in_slide_;
		};

		
	}
}

#endif