plasma-framework/declarativeimports/plasmacomponents/qrangemodel.h
2011-09-13 21:21:29 +02:00

113 lines
3.5 KiB
C++

/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Components project on Qt Labs.
**
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions contained
** in the Technology Preview License Agreement accompanying this package.
**
** 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
****************************************************************************/
#ifndef QRANGEMODEL_H
#define QRANGEMODEL_H
#include <QObject>
namespace Plasma
{
class QRangeModelPrivate;
class QRangeModel : public QObject
{
Q_OBJECT
Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY valueChanged USER true)
Q_PROPERTY(qreal minimumValue READ minimum WRITE setMinimum NOTIFY minimumChanged)
Q_PROPERTY(qreal maximumValue READ maximum WRITE setMaximum NOTIFY maximumChanged)
Q_PROPERTY(qreal stepSize READ stepSize WRITE setStepSize NOTIFY stepSizeChanged)
Q_PROPERTY(qreal position READ position WRITE setPosition NOTIFY positionChanged)
Q_PROPERTY(qreal positionAtMinimum READ positionAtMinimum WRITE setPositionAtMinimum NOTIFY positionAtMinimumChanged)
Q_PROPERTY(qreal positionAtMaximum READ positionAtMaximum WRITE setPositionAtMaximum NOTIFY positionAtMaximumChanged)
Q_PROPERTY(bool inverted READ inverted WRITE setInverted NOTIFY invertedChanged)
public:
QRangeModel(QObject *parent = 0);
virtual ~QRangeModel();
void setRange(qreal min, qreal max);
void setPositionRange(qreal min, qreal max);
void setStepSize(qreal stepSize);
qreal stepSize() const;
void setMinimum(qreal min);
qreal minimum() const;
void setMaximum(qreal max);
qreal maximum() const;
void setPositionAtMinimum(qreal posAtMin);
qreal positionAtMinimum() const;
void setPositionAtMaximum(qreal posAtMax);
qreal positionAtMaximum() const;
void setInverted(bool inverted);
bool inverted() const;
qreal value() const;
qreal position() const;
Q_INVOKABLE qreal valueForPosition(qreal position) const;
Q_INVOKABLE qreal positionForValue(qreal value) const;
public Q_SLOTS:
void toMinimum();
void toMaximum();
void setValue(qreal value);
void setPosition(qreal position);
Q_SIGNALS:
void valueChanged(qreal value);
void positionChanged(qreal position);
void stepSizeChanged(qreal stepSize);
void invertedChanged(bool inverted);
void minimumChanged(qreal min);
void maximumChanged(qreal max);
void positionAtMinimumChanged(qreal min);
void positionAtMaximumChanged(qreal max);
protected:
QRangeModel(QRangeModelPrivate &dd, QObject *parent);
QRangeModelPrivate* d_ptr;
private:
Q_DISABLE_COPY(QRangeModel)
Q_DECLARE_PRIVATE(QRangeModel)
};
} // Plasma namespace
#endif // QRANGEMODEL_H