transmission/gtk/TorrentCellRenderer.h

// This file Copyright © 2007-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.

#pragma once

#include <memory>

#include <glibmm.h>
#include <gtkmm.h>

#include <libtransmission/tr-macros.h>

#include "Utils.h"

struct tr_torrent;

class TorrentCellRenderer : public Gtk::CellRenderer
{
    using SnapshotPtr = IF_GTKMM4(Glib::RefPtr<Gtk::Snapshot>, Cairo::RefPtr<Cairo::Context>);

public:
    TorrentCellRenderer();
    ~TorrentCellRenderer() override;

    TR_DISABLE_COPY_MOVE(TorrentCellRenderer)

    Glib::PropertyProxy<gpointer> property_torrent();

    /* Use this instead of tr_stat.pieceUploadSpeed so that the model can
       control when the speed displays get updated. This is done to keep
       the individual torrents' speeds and the status bar's overall speed
       in sync even if they refresh at slightly different times */
    Glib::PropertyProxy<double> property_piece_upload_speed();

    /* @see property_piece_upload_speed */
    Glib::PropertyProxy<double> property_piece_download_speed();

    Glib::PropertyProxy<int> property_bar_height();
    Glib::PropertyProxy<bool> property_compact();

protected:
    void get_preferred_width_vfunc(Gtk::Widget& widget, int& minimum_width, int& natural_width) const override;
    void get_preferred_height_vfunc(Gtk::Widget& widget, int& minimum_height, int& natural_height) const override;
    void IF_GTKMM4(snapshot_vfunc, render_vfunc)(
        SnapshotPtr const& snapshot,
        Gtk::Widget& widget,
        Gdk::Rectangle const& background_area,
        Gdk::Rectangle const& cell_area,
        Gtk::CellRendererState flags) override;

private:
    class Impl;
    std::unique_ptr<Impl> const impl_;
};