ColorTableView.cpp

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#include "ColorTableView.h"
 
#include <QHeaderView>
#include <QPainter>
 
ColorTableView::ColorTableView(QWidget* parent /*= 0*/) : QTableView(parent)
{
    this->verticalHeader()->hide();
    this->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    this->resizeColumnsToContents();
    this->resizeRowsToContents();
}
 
void ColorTableViewDelegate::paint(QPainter* painter,
                                   const QStyleOptionViewItem& option,
                                   const QModelIndex& index) const
{
    QColor val;
    if (index.column() == 1)
    {
        if (index.data().canConvert(QMetaType::QColor))
        {
            val = index.data().value<QColor>();
            QBrush brush(val);
            painter->fillRect(option.rect, brush);
        }
    }
    else
    {
        QItemDelegate::paint(painter, option, index);
    }
}
 
QSize ColorTableViewDelegate::sizeHint(const QStyleOptionViewItem& option,
                                       const QModelIndex& index) const
{
    QSize s = QItemDelegate::sizeHint(option, index);
    if (s.isValid())
    {
        s.setHeight(static_cast<int>(0.5 * s.height()));
    }
    return s;
}