gtk2_ardour/automation_controller.h

   1 /*
   2  * Copyright (C) 2007-2014 David Robillard <d@drobilla.net>
   3  * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
   4  * Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
   5  * Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; if not, write to the Free Software Foundation, Inc.,
  19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  20  */
  21
  22 #ifndef __ardour_gtk_automation_controller_h__
  23 #define __ardour_gtk_automation_controller_h__
  24
  25 #ifdef YES
  26 #undef YES
  27 #endif
  28 #ifdef NO
  29 #undef NO
  30 #endif
  31
  32 #include <boost/shared_ptr.hpp>
  33
  34 #include <gtkmm/alignment.h>
  35
  36 #include "pbd/signals.h"
  37 #include "ardour/parameter_descriptor.h"
  38
  39 #include "widgets/barcontroller.h"
  40
  41 namespace ARDOUR {
  42         class Session;
  43         class AutomationList;
  44         class AutomationControl;
  45 }
  46
  47 namespace Gtk {
  48         class Adjustment;
  49         class Widget;
  50 }
  51
  52 class AutomationBarController : public ArdourWidgets::BarController {
  53 public:
  54         AutomationBarController(boost::shared_ptr<ARDOUR::AutomationControl> ac,
  55                                 Gtk::Adjustment*                             adj);
  56         ~AutomationBarController();
  57 private:
  58         std::string get_label (double&);
  59         boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
  60 };
  61
  62 /** A BarController which displays the value and allows control of an AutomationControl */
  63 class AutomationController : public Gtk::Alignment {
  64 public:
  65         static boost::shared_ptr<AutomationController> create (
  66                 const Evoral::Parameter&                     param,
  67                 const ARDOUR::ParameterDescriptor&           desc,
  68                 boost::shared_ptr<ARDOUR::AutomationControl> ac,
  69                 bool                                         use_knob = false);
  70
  71         ~AutomationController();
  72
  73         boost::shared_ptr<ARDOUR::AutomationControl> controllable() { return _controllable; }
  74
  75         void disable_vertical_scroll();
  76
  77         Gtk::Adjustment* adjustment() { return _adjustment; }
  78         Gtk::Widget*     widget()     { return _widget; }
  79
  80         void display_effective_value ();
  81         void automation_state_changed ();
  82         void value_adjusted();
  83
  84         void stop_updating ();
  85
  86 private:
  87         AutomationController (boost::shared_ptr<ARDOUR::AutomationControl> ac,
  88                               Gtk::Adjustment*                             adj,
  89                               bool                                         use_knob);
  90
  91         void start_touch();
  92         void end_touch();
  93         bool button_press(GdkEventButton*);
  94         bool button_release(GdkEventButton*);
  95
  96         void run_note_select_dialog();
  97         void set_ratio(double ratio);
  98         void set_freq_beats(double beats);
  99         bool on_button_release(GdkEventButton* ev);
 100
 101         Gtk::Widget*                                 _widget;
 102         boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
 103         Gtk::Adjustment*                             _adjustment;
 104         sigc::connection                             _screen_update_connection;
 105         PBD::ScopedConnectionList                    _changed_connections;
 106         bool                                         _ignore_change;
 107         bool                                         _grabbed;
 108 };
 109
 110
 111 #endif /* __ardour_gtk_automation_controller_h__ */