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
  33 #include <gtkmm/alignment.h>
  34
  35 #include "pbd/signals.h"
  36 #include "ardour/parameter_descriptor.h"
  37
  38 #include "widgets/barcontroller.h"
  39
  40 namespace ARDOUR {
  41         class Session;
  42         class AutomationList;
  43         class AutomationControl;
  44 }
  45
  46 namespace Gtk {
  47         class Adjustment;
  48         class Widget;
  49 }
  50
  51 class AutomationBarController : public ArdourWidgets::BarController {
  52 public:
  53         AutomationBarController(boost::shared_ptr<ARDOUR::AutomationControl> ac,
  54                                 Gtk::Adjustment*                             adj);
  55         ~AutomationBarController();
  56 private:
  57         std::string get_label (double&);
  58         boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
  59 };
  60
  61 /** A BarController which displays the value and allows control of an AutomationControl */
  62 class AutomationController : public Gtk::Alignment {
  63 public:
  64         static boost::shared_ptr<AutomationController> create (
  65                 const Evoral::Parameter&                     param,
  66                 const ARDOUR::ParameterDescriptor&           desc,
  67                 boost::shared_ptr<ARDOUR::AutomationControl> ac,
  68                 bool                                         use_knob = false);
  69
  70         ~AutomationController();
  71
  72         boost::shared_ptr<ARDOUR::AutomationControl> controllable() { return _controllable; }
  73
  74         void disable_vertical_scroll();
  75
  76         Gtk::Adjustment* adjustment() { return _adjustment; }
  77         Gtk::Widget*     widget()     { return _widget; }
  78
  79         void display_effective_value ();
  80         void automation_state_changed ();
  81         void value_adjusted();
  82
  83         void stop_updating ();
  84
  85 private:
  86         AutomationController (boost::shared_ptr<ARDOUR::AutomationControl> ac,
  87                               Gtk::Adjustment*                             adj,
  88                               bool                                         use_knob);
  89
  90         void start_touch();
  91         void end_touch();
  92         bool button_press(GdkEventButton*);
  93         bool button_release(GdkEventButton*);
  94
  95         void run_note_select_dialog();
  96         void set_ratio(double ratio);
  97         void set_freq_beats(double beats);
  98         bool on_button_release(GdkEventButton* ev);
  99
 100         Gtk::Widget*                                 _widget;
 101         boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
 102         Gtk::Adjustment*                             _adjustment;
 103         sigc::connection                             _screen_update_connection;
 104         PBD::ScopedConnectionList                    _changed_connections;
 105         bool                                         _ignore_change;
 106         bool                                         _grabbed;
 107 };
 108
 109
 110 #endif /* __ardour_gtk_automation_controller_h__ */