KoLineStyleSelector.cpp

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/* This file is part of the KDE project
 * SPDX-FileCopyrightText: 2007 Jan Hambrecht <jaham@gmx.net>
 *
 * SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
#include "KoLineStyleSelector.h"
#include "KoLineStyleModel_p.h"
#include "KoLineStyleItemDelegate_p.h"
 
#include <QPen>
#include <QPainter>
 
class Q_DECL_HIDDEN KoLineStyleSelector::Private
{
public:
    Private(QWidget *parent)
    : model(new KoLineStyleModel(parent))
    {
    }
 
    KoLineStyleModel *model;
};
 
KoLineStyleSelector::KoLineStyleSelector(QWidget *parent)
    : QComboBox(parent), d(new Private(this))
{
    setModel(d->model);
    setItemDelegate(new KoLineStyleItemDelegate(this));
}
 
KoLineStyleSelector::~KoLineStyleSelector()
{
    delete d;
}
 
void KoLineStyleSelector::paintEvent(QPaintEvent *pe)
{
    QComboBox::paintEvent(pe);
 
    QStyleOptionComboBox option;
    option.initFrom(this);
    option.frame = hasFrame();
    QRect r = style()->subControlRect(QStyle::CC_ComboBox, &option, QStyle::SC_ComboBoxEditField, this);
    if (!option.frame) // frameless combo boxes have smaller margins but styles do not take this into account
        r.adjust(-14, 0, 14, 1);
 
    QPen pen = itemData(currentIndex(), Qt::DecorationRole).value<QPen>();
 
    QPainter painter(this);
    painter.setPen(pen);
    if (!(option.state & QStyle::State_Enabled)) {
        painter.setOpacity(0.5);
    }
    painter.drawLine(r.left(), r.center().y(), r.right(), r.center().y());
}
 
bool KoLineStyleSelector::addCustomStyle(const QVector<qreal> &style)
{
    return d->model->addCustomStyle(style);
}
 
void KoLineStyleSelector::setLineStyle(Qt::PenStyle style, const QVector<qreal> &dashes)
{
    int index = d->model->setLineStyle(style, dashes);
    if (index >= 0)
        setCurrentIndex(index);
}
 
Qt::PenStyle KoLineStyleSelector::lineStyle() const
{
    QPen pen = itemData(currentIndex(), Qt::DecorationRole).value<QPen>();
    return pen.style();
}
 
QVector<qreal> KoLineStyleSelector::lineDashes() const
{
    QPen pen = itemData(currentIndex(), Qt::DecorationRole).value<QPen>();
    return pen.dashPattern();
}