qabstractslider.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 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 GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
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- ** Qt for Windows(R) Licensees
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- ****************************************************************************/
- #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_PRIVATE(QAbstractSlider)
- };
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif // QABSTRACTSLIDER_H