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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTSLIDER_H
#define QABSTRACTSLIDER_H
#include <QtGui/qwidget.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class QAbstractSliderPrivate;
class Q_GUI_EXPORT QAbstractSlider : public QWidget
{
Q_OBJECT
Q_PROPERTY(int minimum READ minimum WRITE setMinimum)
Q_PROPERTY(int maximum READ maximum WRITE setMaximum)
Q_PROPERTY(int singleStep READ singleStep WRITE setSingleStep)
Q_PROPERTY(int pageStep READ pageStep WRITE setPageStep)
Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged USER true)
Q_PROPERTY(int sliderPosition READ sliderPosition WRITE setSliderPosition NOTIFY sliderMoved)
Q_PROPERTY(bool tracking READ hasTracking WRITE setTracking)
Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation)
Q_PROPERTY(bool invertedAppearance READ invertedAppearance WRITE setInvertedAppearance)
Q_PROPERTY(bool invertedControls READ invertedControls WRITE setInvertedControls)
Q_PROPERTY(bool sliderDown READ isSliderDown WRITE setSliderDown DESIGNABLE false)
public:
explicit QAbstractSlider(QWidget *parent=0);
~QAbstractSlider();
Qt::Orientation orientation() const;
void setMinimum(int);
int minimum() const;
void setMaximum(int);
int maximum() const;
void setRange(int min, int max);
void setSingleStep(int);
int singleStep() const;
void setPageStep(int);
int pageStep() const;
void setTracking(bool enable);
bool hasTracking() const;
void setSliderDown(bool);
bool isSliderDown() const;
void setSliderPosition(int);
int sliderPosition() const;
void setInvertedAppearance(bool);
bool invertedAppearance() const;
void setInvertedControls(bool);
bool invertedControls() const;
enum SliderAction {
SliderNoAction,
SliderSingleStepAdd,
SliderSingleStepSub,
SliderPageStepAdd,
SliderPageStepSub,
SliderToMinimum,
SliderToMaximum,
SliderMove
};
int value() const;
void triggerAction(SliderAction action);
public Q_SLOTS:
void setValue(int);
void setOrientation(Qt::Orientation);
Q_SIGNALS:
void valueChanged(int value);
void sliderPressed();
void sliderMoved(int position);
void sliderReleased();
void rangeChanged(int min, int max);
void actionTriggered(int action);
protected:
bool event(QEvent *e);
void setRepeatAction(SliderAction action, int thresholdTime = 500, int repeatTime = 50);
SliderAction repeatAction() const;
enum SliderChange {
SliderRangeChange,
SliderOrientationChange,
SliderStepsChange,
SliderValueChange
};
virtual void sliderChange(SliderChange change);
void keyPressEvent(QKeyEvent *ev);
void timerEvent(QTimerEvent *);
#ifndef QT_NO_WHEELEVENT
void wheelEvent(QWheelEvent *e);
#endif
void changeEvent(QEvent *e);
#ifdef QT3_SUPPORT
public:
inline QT3_SUPPORT int minValue() const { return minimum(); }
inline QT3_SUPPORT int maxValue() const { return maximum(); }
inline QT3_SUPPORT int lineStep() const { return singleStep(); }
inline QT3_SUPPORT void setMinValue(int v) { setMinimum(v); }
inline QT3_SUPPORT void setMaxValue(int v) { setMaximum(v); }
inline QT3_SUPPORT void setLineStep(int v) { setSingleStep(v); }
inline QT3_SUPPORT void setSteps(int single, int page) { setSingleStep(single); setPageStep(page); }
inline QT3_SUPPORT void addPage() { triggerAction(SliderPageStepAdd); }
inline QT3_SUPPORT void subtractPage() { triggerAction(SliderPageStepSub); }
inline QT3_SUPPORT void addLine() { triggerAction(SliderSingleStepAdd); }
inline QT3_SUPPORT void subtractLine() { triggerAction(SliderSingleStepSub); }
#endif
protected:
QAbstractSlider(QAbstractSliderPrivate &dd, QWidget *parent=0);
private:
Q_DISABLE_COPY(QAbstractSlider)
Q_DECLARE_SCOPED_PRIVATE(QAbstractSlider)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QABSTRACTSLIDER_H
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