Paul Davis
d5e09076ca
git-svn-id: svn://localhost/ardour2/branches/3.0@9748 d708f5d6-7413-0410-9779-e7cbd77b26cf
61 lines
1.8 KiB
C++
61 lines
1.8 KiB
C++
/*
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Copyright (C) 1998-2007 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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$Id: volume_controller.h,v 1.4 2000/05/03 15:54:21 pbd Exp $
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*/
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#ifndef __gtk_ardour_vol_controller_h__
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#define __gtk_ardour_vol_controller_h__
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#include <gtkmm/adjustment.h>
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#include "gtkmm2ext/motionfeedback.h"
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class VolumeController : public Gtkmm2ext::MotionFeedback
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{
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public:
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VolumeController (Glib::RefPtr<Gdk::Pixbuf>,
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boost::shared_ptr<PBD::Controllable>,
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double def,
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double step,
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double page,
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bool with_numeric = true,
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int image_width = 40,
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int image_height = 40,
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bool linear = true);
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virtual ~VolumeController () {}
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static void _dB_printer (char buf[32], const boost::shared_ptr<PBD::Controllable>& adj, void* arg);
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protected:
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double to_control_value (double);
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double to_display_value (double);
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double adjust (double nominal_delta);
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double display_value () const;
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double control_value () const;
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private:
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bool _linear;
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void dB_printer (char buf[32], const boost::shared_ptr<PBD::Controllable>& adj);
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};
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#endif // __gtk_ardour_vol_controller_h__
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