automation_controller.h

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/*
 * Copyright (C) 2007-2014 David Robillard <d@drobilla.net>
 * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef __ardour_gtk_automation_controller_h__
#define __ardour_gtk_automation_controller_h__
 
#ifdef YES
#undef YES
#endif
#ifdef NO
#undef NO
#endif
 
#include <memory>
 
#include <gtkmm/alignment.h>
 
#include "pbd/signals.h"
#include "ardour/parameter_descriptor.h"
 
#include "widgets/barcontroller.h"
 
namespace ARDOUR {
        class Session;
        class AutomationList;
        class AutomationControl;
}
 
namespace Gtk {
        class Adjustment;
        class Widget;
}
 
class AutomationBarController : public ArdourWidgets::BarController {
public:
        AutomationBarController(std::shared_ptr<ARDOUR::AutomationControl> ac,
                                Gtk::Adjustment*                             adj);
        ~AutomationBarController();
private:
        std::string get_label (double&);
        std::shared_ptr<ARDOUR::AutomationControl> _controllable;
};
 
class AutomationController : public Gtk::Alignment {
public:
        static std::shared_ptr<AutomationController> create (
                const Evoral::Parameter&                     param,
                const ARDOUR::ParameterDescriptor&           desc,
                std::shared_ptr<ARDOUR::AutomationControl> ac,
                bool                                         use_knob = false);
 
        ~AutomationController();
 
        std::shared_ptr<ARDOUR::AutomationControl> controllable() { return _controllable; }
 
        void disable_vertical_scroll();
 
        Gtk::Adjustment* adjustment() { return _adjustment; }
        Gtk::Widget*     widget()     { return _widget; }
 
        void display_effective_value ();
        void automation_state_changed ();
        void value_adjusted();
 
        void stop_updating ();
 
private:
        AutomationController (std::shared_ptr<ARDOUR::AutomationControl> ac,
                              Gtk::Adjustment*                             adj,
                              bool                                         use_knob);
 
        void start_touch(int);
        void end_touch(int);
        bool button_press(GdkEventButton*);
        bool button_release(GdkEventButton*);
 
        void run_note_select_dialog();
        void set_ratio(double ratio);
        void set_freq_beats(double beats);
        bool on_button_release(GdkEventButton* ev);
 
        Gtk::Widget*                                 _widget;
        std::shared_ptr<ARDOUR::AutomationControl> _controllable;
        Gtk::Adjustment*                             _adjustment;
        sigc::connection                             _screen_update_connection;
        PBD::ScopedConnectionList                    _changed_connections;
        bool                                         _ignore_change;
        bool                                         _grabbed;
};
 
 
#endif /* __ardour_gtk_automation_controller_h__ */