2b75c156b6
Change-Id: I6441ff931dbd33b698d762e6f6784898f3f60fe7 Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
93 lines
3.0 KiB
C++
93 lines
3.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "node.h"
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#include "stickman.h"
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#include <QRectF>
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#include <QPainter>
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#include <QGraphicsSceneMouseEvent>
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Node::Node(const QPointF &pos, QGraphicsItem *parent)
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: QGraphicsObject(parent), m_dragging(false)
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{
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setPos(pos);
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setFlag(QGraphicsItem::ItemSendsGeometryChanges);
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}
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Node::~Node()
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{
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}
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QRectF Node::boundingRect() const
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{
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return QRectF(-6.0, -6.0, 12.0, 12.0);
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}
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void Node::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
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{
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painter->setPen(Qt::white);
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painter->drawEllipse(QPointF(0.0, 0.0), 5.0, 5.0);
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}
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QVariant Node::itemChange(GraphicsItemChange change, const QVariant &value)
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{
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if (change == QGraphicsItem::ItemPositionChange)
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emit positionChanged();
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return QGraphicsObject::itemChange(change, value);
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}
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void Node::mousePressEvent(QGraphicsSceneMouseEvent *)
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{
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m_dragging = true;
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}
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void Node::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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if (m_dragging)
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setPos(mapToParent(event->pos()));
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}
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void Node::mouseReleaseEvent(QGraphicsSceneMouseEvent *)
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{
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m_dragging = false;
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}
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