KDReportsTableLayout_p.h

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/****************************************************************************
**
** This file is part of the KD Reports library.
**
** SPDX-FileCopyrightText: 2007-2022 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDAB-KDReports OR LicenseRef-KDAB-KDReports-US
**
** Licensees holding valid commercial KD Reports licenses may use this file in
** accordance with the KD Reports Commercial License Agreement provided with
** the Software.
**
** Contact info@kdab.com if any conditions of this licensing are not clear to you.
**
****************************************************************************/
 
#ifndef KDREPORTSTABLELAYOUT_H
#define KDREPORTSTABLELAYOUT_H
 
#include "KDReportsFontScaler_p.h"
#include <QFont>
#include <QVector>
 
QT_BEGIN_NAMESPACE
class QAbstractItemModel;
QT_END_NAMESPACE
 
namespace KDReports {
 
class TableLayout
{
public:
    TableLayout();
 
    void setInitialFontScalingFactor(qreal fontScalingFactor);
 
    // Determine "ideal" column widths, based on contents
    void updateColumnWidths();
    // Return row height (determined during call to columnWidths), padding included
    qreal rowHeight() const { return m_rowHeight; }
    // Return the width of the vertical header, 0 if not shown
    qreal vHeaderWidth() const { return m_vHeaderWidth; }
    // Return the height of the horizontal header, 0 if not shown
    qreal hHeaderHeight() const { return m_hHeaderHeight; }
 
    // void updateColumnWidthsByFactor( qreal factor );
 
    QFont scaledFont() const { return m_cellFontScaler.font(); }
    QFont horizontalHeaderScaledFont() const { return m_horizontalHeaderFontScaler.font(); }
    QFont verticalHeaderScaledFont() const { return m_verticalHeaderFontScaler.font(); }
 
    // QFontMetricsF scaledFontMetrics() const { return m_cellFontScaler.fontMetrics(); }
    qreal scalingFactor() const { return m_cellFontScaler.scalingFactor(); }
    void ensureScalingFactorForWidth(qreal scalingFactor);
    void ensureScalingFactorForHeight(qreal maxRowHeight);
    qreal scaledCellPadding() const { return m_cellPadding * scalingFactor(); }
 
    QSize decorationSize(const QVariant &cellDecoration) const;
 
    QAbstractItemModel *m_model;
 
    QFont m_cellFont;
    QFont m_horizontalHeaderFont;
    QFont m_verticalHeaderFont;
 
    bool m_horizontalHeaderVisible;
    bool m_verticalHeaderVisible;
 
    // All measurements below are in pixels
    qreal m_cellPadding;
    QVector<qreal> m_columnWidths;
    qreal m_fixedRowHeight;
 
    QVector<QString> m_widestTextPerColumn;
 
    QSize m_iconSize;
 
private:
    qreal addIconWidth(qreal textWidth, const QVariant &cellDecoration) const;
    void updateRowHeight();
 
    qreal m_rowHeight;
    qreal m_vHeaderWidth;
    qreal m_hHeaderHeight;
 
    FontScaler m_cellFontScaler;
    FontScaler m_horizontalHeaderFontScaler;
    FontScaler m_verticalHeaderFontScaler;
};
 
}
 
#endif /* KDREPORTSTABLELAYOUT_H */