gtk2_ardour/volume_controller.h

   1 /*
   2     Copyright (C) 1998-2007 Paul Davis
   3     This program is free software; you can redistribute it and/or modify
   4     it under the terms of the GNU General Public License as published by
   5     the Free Software Foundation; either version 2 of the License, or
   6     (at your option) any later version.
   7
   8     This program is distributed in the hope that it will be useful,
   9     but WITHOUT ANY WARRANTY; without even the implied warranty of
  10     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11     GNU General Public License for more details.
  12
  13     You should have received a copy of the GNU General Public License
  14     along with this program; if not, write to the Free Software
  15     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  16
  17     $Id: volume_controller.h,v 1.4 2000/05/03 15:54:21 pbd Exp $
  18 */
  19
  20 #ifndef __gtk_ardour_vol_controller_h__
  21 #define __gtk_ardour_vol_controller_h__
  22
  23 #include <gtkmm/adjustment.h>
  24
  25 #include "gtkmm2ext/motionfeedback.h"
  26
  27 // march 2010: this exists as a placeholder to add a controllable, but maybe it will
  28 // end up in MotionFeedback
  29
  30 class VolumeController : public Gtkmm2ext::MotionFeedback
  31 {
  32   public:
  33         VolumeController (Glib::RefPtr<Gdk::Pixbuf>,
  34                           Gtk::Adjustment *adj,
  35                           bool with_numeric = true,
  36                           int image_width = 40,
  37                           int image_height = 40);
  38
  39         virtual ~VolumeController () {}
  40         void set_controllable (boost::shared_ptr<PBD::Controllable> c);
  41
  42   private:
  43         Gtk::Adjustment *adjustment;
  44         PBD::ScopedConnection controllable_connection;
  45
  46         void adjustment_value_changed ();
  47         void controllable_value_changed ();
  48 };
  49
  50 #endif // __gtk_ardour_vol_controller_h__
  51
  52