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// Copyright (C) 2016 Jochen Becher
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "alignlineitem.h"
#include <QPen>
#include <QBrush>
#include <QGraphicsScene>
namespace qmt {
AlignLineItem::AlignLineItem(Direction direction, QGraphicsItem *parent)
: QGraphicsItem(parent),
m_direction(direction),
m_alignLine(new QGraphicsLineItem(this)),
m_highlightLine(new QGraphicsLineItem(this))
{
m_alignLine->setPen(QPen(QBrush(Qt::blue), 1.0, Qt::DotLine));
m_highlightLine->setPen(QPen(QBrush(Qt::red), 1.0, Qt::SolidLine));
m_highlightLine->setZValue(1);
}
AlignLineItem::~AlignLineItem()
{
}
void AlignLineItem::setLine(qreal pos)
{
setLine(pos, 0.0, 0.0);
}
void AlignLineItem::setLine(qreal pos, qreal otherPos1, qreal otherPos2)
{
// parameters are given in scene coordinates and are not mapped to this object's
// coordinbate system because it is a trivial conversion.(in the way how AlignLineItem
// is used)
QRectF sceneRect = scene()->sceneRect();
switch (m_direction) {
case Horizontal:
m_alignLine->setLine(sceneRect.left() + 1.0, pos, sceneRect.right() - 1.0, pos);
m_highlightLine->setLine(otherPos1, pos, otherPos2, pos);
break;
case Vertical:
m_alignLine->setLine(pos, sceneRect.top() + 1.0, pos, sceneRect.bottom() - 1.0);
m_highlightLine->setLine(pos, otherPos1, pos, otherPos2);
break;
}
m_highlightLine->setVisible(otherPos1 - otherPos2 != 0);
}
QRectF AlignLineItem::boundingRect() const
{
return childrenBoundingRect();
}
void AlignLineItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(painter)
Q_UNUSED(option)
Q_UNUSED(widget)
}
} // namespace qmt
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