gtk2_ardour/automation_controller.h

   1 /*
   2     Copyright (C) 2007 Paul Davis
   3     Author: David Robillard
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #ifndef __ardour_gtk_automation_controller_h__
  22 #define __ardour_gtk_automation_controller_h__
  23
  24 #ifdef YES
  25 #undef YES
  26 #endif
  27 #ifdef NO
  28 #undef NO
  29 #endif
  30
  31 #include <boost/shared_ptr.hpp>
  32 #include <gtkmm.h>
  33
  34 #include "gtkmm2ext/barcontroller.h"
  35 #include "pbd/signals.h"
  36 #include "evoral/Parameter.hpp"
  37
  38 namespace ARDOUR {
  39         class Session;
  40         class AutomationList;
  41         class AutomationControl;
  42         class Automatable;
  43 }
  44
  45 /** A BarController which displays the value and allows control of an AutomationControl */
  46 class AutomationController : public Gtkmm2ext::BarController {
  47 public:
  48         static boost::shared_ptr<AutomationController> create(
  49                 boost::shared_ptr<ARDOUR::Automatable>       parent,
  50                 const Evoral::Parameter&                     param,
  51                 const ARDOUR::ParameterDescriptor&           desc,
  52                 boost::shared_ptr<ARDOUR::AutomationControl> ac);
  53
  54         ~AutomationController();
  55
  56         boost::shared_ptr<ARDOUR::AutomationControl> controllable() { return _controllable; }
  57
  58         Gtk::Adjustment* adjustment() { return _adjustment; }
  59
  60         void display_effective_value();
  61         void value_adjusted();
  62
  63         void stop_updating ();
  64
  65 private:
  66         AutomationController (boost::shared_ptr<ARDOUR::Automatable>       printer,
  67                               boost::shared_ptr<ARDOUR::AutomationControl> ac,
  68                               Gtk::Adjustment*                             adj);
  69         std::string get_label (double&);
  70
  71         void start_touch();
  72         void end_touch();
  73
  74         void value_changed();
  75
  76         bool                                         _ignore_change;
  77         boost::shared_ptr<ARDOUR::Automatable>       _printer;
  78         boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
  79         Gtk::Adjustment*                             _adjustment;
  80         sigc::connection                             _screen_update_connection;
  81         PBD::ScopedConnection                        _changed_connection;
  82 };
  83
  84
  85 #endif /* __ardour_gtk_automation_controller_h__ */