midi_tracer.h

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/*
 * Copyright (C) 2010-2018 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2010 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2014-2017 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_midi_tracer_h__
#define __ardour_gtk_midi_tracer_h__
 
#include <atomic>
 
#include <gtkmm/textview.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/togglebutton.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/label.h>
#include <gtkmm/liststore.h>
#include <gtkmm/comboboxtext.h>
#include <gtkmm/box.h>
 
#include "pbd/signals.h"
#include "pbd/ringbuffer.h"
#include "pbd/pool.h"
 
#include "midi++/types.h"
#include "ardour_window.h"
 
namespace MIDI {
        class Parser;
}
 
namespace ARDOUR {
        class MidiPort;
}
 
class MidiTracer : public ArdourWindow
{
public:
        MidiTracer ();
        ~MidiTracer();
 
protected:
        void on_show ();
        void on_hide ();
 
private:
        Gtk::TextView text;
        Gtk::ScrolledWindow scroller;
        Gtk::Adjustment line_count_adjustment;
        Gtk::SpinButton line_count_spinner;
        Gtk::Label line_count_label;
        Gtk::HBox line_count_box;
        MIDI::samplecnt_t _last_receipt;
 
        bool autoscroll;
        bool show_hex;
        bool show_delta_time;
 
        std::atomic<int> _update_queued;
 
        PBD::RingBuffer<char *> fifo;
        PBD::Pool buffer_pool;
        static const size_t buffer_size = 256;
 
        void tracer (MIDI::Parser&, MIDI::byte*, size_t, MIDI::samplecnt_t);
        void update ();
 
        Gtk::CheckButton autoscroll_button;
        Gtk::CheckButton base_button;
        Gtk::CheckButton collect_button;
        Gtk::CheckButton delta_time_button;
        Gtk::ComboBox    _midi_port_combo;
 
        class MidiPortCols : public Gtk::TreeModelColumnRecord
        {
                public:
                        MidiPortCols ()
                        {
                                add (pretty_name);
                                add (port_name);
                        }
                        Gtk::TreeModelColumn<std::string> pretty_name;
                        Gtk::TreeModelColumn<std::string> port_name;
        };
 
        MidiPortCols                 _midi_port_cols;
        Glib::RefPtr<Gtk::ListStore> _midi_port_list;
 
        void base_toggle ();
        void autoscroll_toggle ();
        void collect_toggle ();
        void delta_toggle ();
 
        void port_changed ();
        void ports_changed ();
        void disconnect ();
        PBD::ScopedConnection _parser_connection;
        PBD::ScopedConnection _manager_connection;
        std::shared_ptr<MIDI::Parser> _midi_parser;
 
        std::shared_ptr<ARDOUR::MidiPort> tracer_port;
        std::shared_ptr<ARDOUR::MidiPort> traced_port;
 
        static unsigned int window_count;
};
 
#endif /* __ardour_gtk_midi_tracer_h__ */