gtk2_ardour/automation_controller.h

   1 /*
   2     Copyright (C) 2007 Paul Davis
   3     Author: Dave 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 #include <boost/shared_ptr.hpp>
  25 #include <gtkmm.h>
  26 #include <gtkmm2ext/barcontroller.h>
  27
  28 namespace ARDOUR {
  29         class Session;
  30         class AutomationList;
  31         class AutomationControl;
  32         class Automatable;
  33 }
  34
  35
  36 class AutomationController : public Gtkmm2ext::BarController {
  37 public:
  38         static boost::shared_ptr<AutomationController> create(
  39                         boost::shared_ptr<ARDOUR::Automatable> parent,
  40                         const Evoral::Parameter& param,
  41                         boost::shared_ptr<ARDOUR::AutomationControl> ac);
  42
  43         ~AutomationController();
  44
  45         boost::shared_ptr<ARDOUR::AutomationControl> controllable() { return _controllable; }
  46
  47         Gtk::Adjustment* adjustment() { return _adjustment; }
  48
  49         void display_effective_value();
  50         void value_adjusted();
  51
  52 private:
  53         AutomationController (boost::shared_ptr<ARDOUR::AutomationControl> ac, Gtk::Adjustment* adj);
  54         std::string get_label (int&);
  55
  56         void start_touch();
  57         void end_touch();
  58
  59         void value_changed();
  60         void automation_state_changed();
  61
  62         bool                                         _ignore_change;
  63         boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
  64         Gtk::Adjustment*                             _adjustment;
  65         sigc::connection                             _screen_update_connection;
  66 };
  67
  68
  69 #endif /* __ardour_gtk_automation_controller_h__ */