portapack-mayhem/firmware/application/ui/ui_channel.hpp

/*
 * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
 *
 * This file is part of PortaPack.
 *
 * 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, 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; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef __UI_CHANNEL_H__
#define __UI_CHANNEL_H__

#include "ui.hpp"
#include "ui_widget.hpp"
#include "ui_painter.hpp"

#include "event_m0.hpp"

#include "message.hpp"

#include <cstdint>

namespace ui {

class Channel : public Widget {
   public:
    Channel(
        const Rect parent_rect)
        : Widget{parent_rect},
          max_db_{-120} {
    }

    void paint(Painter& painter) override;

   private:
    int32_t max_db_;

    MessageHandlerRegistration message_handler_stats{
        Message::ID::ChannelStatistics,
        [this](const Message* const p) {
            this->on_statistics_update(static_cast<const ChannelStatisticsMessage*>(p)->statistics);
        }};

    void on_statistics_update(const ChannelStatistics& statistics);
};

}  // namespace ui

#endif /*__UI_CHANNEL_H__*/