gistfile1.txt

#include "mark_view.hpp"

#include <boost/scope_exit.hpp>
#include <fmt/ostream.h>
#include <spdlog/spdlog.h>
#include <util/co_dispatch.hpp>

namespace program
{
    auto
    program::mark_view::main_loop() -> net::awaitable< void >
    {
        spdlog::debug("mark_view: {}", __func__);
        auto feed = trade::deribit_index_price_names(service_);
        auto conn = co_await feed.subscribe();

        bool is_running = true;
        auto stop =
            stop_signal_.connect_extended([&](sigs::connection c) {
                c.disconnect();
                is_running = false;
                conn.disconnect();
            });
        BOOST_SCOPE_EXIT_ALL(&) { stop.disconnect(); };

        while (is_running)
        {
            auto snap = co_await conn.consume();
            spdlog::info("mark_view: snapshot: {}", snap);
            this->setColumnCount(1);
            this->setRowCount(snap.names().size());
            setHorizontalHeaderLabels(QStringList { tr("Currency Pairs") });
            for (std::size_t i = 0; i < snap.names().size(); ++i)
            {
                auto item = new QTableWidgetItem();
                item->setText(QString::fromStdString(snap.names()[i]));
                item->setTextAlignment(Qt::AlignCenter);
                setItem(i, 0, item);
            }
        }
        spdlog::debug("mark_view: exit {}", __func__);
    }

    void
    mark_view::closeEvent(QCloseEvent *event)
    {
        spdlog::debug("mark_view: {}", __func__);
        destroy_guard();
        QWidget::closeEvent(event);
    }

    void
    mark_view::hideEvent(QHideEvent *event)
    {
        spdlog::debug("mark_view: {}", __func__);
        stop_signal_();
        QWidget::hideEvent(event);
    }

    void
    mark_view::showEvent(QShowEvent *event)
    {
        spdlog::debug("mark_view: {}", __func__);
        new_guard();

        net::co_spawn(get_executor(), main_loop(), net::detached);

        QWidget::showEvent(event);
    }

    mark_view::mark_view(entity::entity_service service,
                         QWidget *              parent)
        : QTableWidget(parent)
        , service_(std::move(service))
    {
    }

}   // namespace program