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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef DIRECTEDVECTOR_H
#define DIRECTEDVECTOR_H
#include "qquickdirection_p.h"
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
class QQuickItem;
class QQuickTargetDirection : public QQuickDirection
{
Q_OBJECT
Q_PROPERTY(qreal targetX READ targetX WRITE setTargetX NOTIFY targetXChanged)
Q_PROPERTY(qreal targetY READ targetY WRITE setTargetY NOTIFY targetYChanged)
//If targetItem is set, X/Y are ignored. Aims at middle of item, use variation for variation
Q_PROPERTY(QQuickItem* targetItem READ targetItem WRITE setTargetItem NOTIFY targetItemChanged)
Q_PROPERTY(qreal targetVariation READ targetVariation WRITE setTargetVariation NOTIFY targetVariationChanged)
//TODO: An enum would be better
Q_PROPERTY(bool proportionalMagnitude READ proportionalMagnitude WRITE setProportionalMagnitude NOTIFY proprotionalMagnitudeChanged)
Q_PROPERTY(qreal magnitude READ magnitude WRITE setMagnitude NOTIFY magnitudeChanged)
Q_PROPERTY(qreal magnitudeVariation READ magnitudeVariation WRITE setMagnitudeVariation NOTIFY magnitudeVariationChanged)
public:
explicit QQuickTargetDirection(QObject *parent = 0);
virtual const QPointF sample(const QPointF &from);
qreal targetX() const
{
return m_targetX;
}
qreal targetY() const
{
return m_targetY;
}
qreal targetVariation() const
{
return m_targetVariation;
}
qreal magnitude() const
{
return m_magnitude;
}
bool proportionalMagnitude() const
{
return m_proportionalMagnitude;
}
qreal magnitudeVariation() const
{
return m_magnitudeVariation;
}
QQuickItem* targetItem() const
{
return m_targetItem;
}
signals:
void targetXChanged(qreal arg);
void targetYChanged(qreal arg);
void targetVariationChanged(qreal arg);
void magnitudeChanged(qreal arg);
void proprotionalMagnitudeChanged(bool arg);
void magnitudeVariationChanged(qreal arg);
void targetItemChanged(QQuickItem* arg);
public slots:
void setTargetX(qreal arg)
{
if (m_targetX != arg) {
m_targetX = arg;
emit targetXChanged(arg);
}
}
void setTargetY(qreal arg)
{
if (m_targetY != arg) {
m_targetY = arg;
emit targetYChanged(arg);
}
}
void setTargetVariation(qreal arg)
{
if (m_targetVariation != arg) {
m_targetVariation = arg;
emit targetVariationChanged(arg);
}
}
void setMagnitude(qreal arg)
{
if (m_magnitude != arg) {
m_magnitude = arg;
emit magnitudeChanged(arg);
}
}
void setProportionalMagnitude(bool arg)
{
if (m_proportionalMagnitude != arg) {
m_proportionalMagnitude = arg;
emit proprotionalMagnitudeChanged(arg);
}
}
void setMagnitudeVariation(qreal arg)
{
if (m_magnitudeVariation != arg) {
m_magnitudeVariation = arg;
emit magnitudeVariationChanged(arg);
}
}
void setTargetItem(QQuickItem* arg)
{
if (m_targetItem != arg) {
m_targetItem = arg;
emit targetItemChanged(arg);
}
}
private:
qreal m_targetX;
qreal m_targetY;
qreal m_targetVariation;
bool m_proportionalMagnitude;
qreal m_magnitude;
qreal m_magnitudeVariation;
QQuickItem *m_targetItem;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // DIRECTEDVECTOR_H
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