progressdelegate.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#include "progressdelegate.h"
#include <QApplication>
#include "util.h"
 
namespace LC::Util
{
    ProgressDelegate::ProgressDelegate (ProgressGetter_t&& progress, QObject *parent)
    : QStyledItemDelegate { parent }
    , ProgressGetter_ { std::move (progress) }
    {
    }
 
    void ProgressDelegate::paint (QPainter *painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
    {
        QStyleOptionProgressBar progressBarOption;
        progressBarOption.state = option.state | QStyle::StateFlag::State_Horizontal;
        progressBarOption.direction = option.direction;
        progressBarOption.rect = option.rect;
        progressBarOption.fontMetrics = option.fontMetrics;
        progressBarOption.palette = option.palette;
        progressBarOption.textAlignment = Qt::AlignCenter;
        progressBarOption.textVisible = true;
 
        const auto& progress = ProgressGetter_ (index);
        progressBarOption.minimum = progress.Minimum_;
        progressBarOption.maximum = progress.Maximum_;
        progressBarOption.progress = progress.Progress_;
        progressBarOption.text = ElideProgressBarText (progress.Text_, option);
 
        QApplication::style ()->drawControl (QStyle::CE_ProgressBar, &progressBarOption, painter);
    }
}