ProgressbarDelegate.cpp

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/*
* This file is part of ArmarX.
*
* ArmarX is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* ArmarX 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, see <http://www.gnu.org/licenses/>.
*
* @package    ArmarX::
* @author     Mirko Waechter ( mirko.waechter at kit dot edu)
* @date       2013
* @copyright  http://www.gnu.org/licenses/gpl-2.0.txt
*             GNU General Public License
*/
 
#include "ProgressbarDelegate.h"
 
#include <QApplication>
#include <QPainter>
#include <QProgressBar>
 
namespace armarx
{
    void
    ProgressbarDelegate::paint(QPainter* painter,
                               const QStyleOptionViewItem& option,
                               const QModelIndex& index) const
    {
        // This delegate is installed via setItemDelegateForColumn(), so paint() is only
        // ever called for the workload column. The old hardcoded "index.column() == 3"
        // check meant the Running Tasks table (workload in column 2) never drew a
        // progress bar - it fell into the else branch and rendered as plain text
        // (issue #64.15).
        const int progress = index.data().toInt();
 
        QStyleOptionProgressBar progressBarOption;
        // Carry over selection/enabled state and palette so the bar highlights correctly.
        progressBarOption.state = option.state;
        progressBarOption.palette = option.palette;
        progressBarOption.rect = option.rect;
        progressBarOption.minimum = 0;
        progressBarOption.maximum = 100;
        progressBarOption.progress = progress;
        progressBarOption.text = QString::number(progress) + "%";
        progressBarOption.textVisible = true;
        QApplication::style()->drawControl(QStyle::CE_ProgressBar, &progressBarOption, painter);
    }
} // namespace armarx