mirror of
https://github.com/Gator96100/ProxSpace.git
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142 lines
4.2 KiB
C++
142 lines
4.2 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 QtWidgets module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL21$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see http://www.qt.io/terms-conditions. For further
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** information use the contact form at http://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** Software Foundation and appearing in the file LICENSE.LGPLv21 and
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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** following information to ensure the GNU Lesser General Public License
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** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QSCROLLER_H
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#define QSCROLLER_H
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#include <QtCore/QObject>
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#include <QtCore/QPointF>
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#include <QtWidgets/QScrollerProperties>
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QT_BEGIN_NAMESPACE
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class QWidget;
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class QScrollerPrivate;
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class QScrollerProperties;
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#ifndef QT_NO_GESTURES
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class QFlickGestureRecognizer;
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class QMouseFlickGestureRecognizer;
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#endif
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class Q_WIDGETS_EXPORT QScroller : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(State state READ state NOTIFY stateChanged)
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Q_PROPERTY(QScrollerProperties scrollerProperties READ scrollerProperties WRITE setScrollerProperties NOTIFY scrollerPropertiesChanged)
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public:
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enum State
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{
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Inactive,
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Pressed,
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Dragging,
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Scrolling
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};
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Q_ENUM(State)
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enum ScrollerGestureType
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{
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TouchGesture,
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LeftMouseButtonGesture,
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RightMouseButtonGesture,
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MiddleMouseButtonGesture
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};
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enum Input
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{
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InputPress = 1,
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InputMove,
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InputRelease
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};
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static bool hasScroller(QObject *target);
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static QScroller *scroller(QObject *target);
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static const QScroller *scroller(const QObject *target);
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#ifndef QT_NO_GESTURES
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static Qt::GestureType grabGesture(QObject *target, ScrollerGestureType gestureType = TouchGesture);
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static Qt::GestureType grabbedGesture(QObject *target);
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static void ungrabGesture(QObject *target);
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#endif
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static QList<QScroller *> activeScrollers();
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QObject *target() const;
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State state() const;
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bool handleInput(Input input, const QPointF &position, qint64 timestamp = 0);
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void stop();
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QPointF velocity() const;
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QPointF finalPosition() const;
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QPointF pixelPerMeter() const;
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QScrollerProperties scrollerProperties() const;
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void setSnapPositionsX( const QList<qreal> &positions );
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void setSnapPositionsX( qreal first, qreal interval );
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void setSnapPositionsY( const QList<qreal> &positions );
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void setSnapPositionsY( qreal first, qreal interval );
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public Q_SLOTS:
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void setScrollerProperties(const QScrollerProperties &prop);
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void scrollTo(const QPointF &pos);
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void scrollTo(const QPointF &pos, int scrollTime);
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void ensureVisible(const QRectF &rect, qreal xmargin, qreal ymargin);
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void ensureVisible(const QRectF &rect, qreal xmargin, qreal ymargin, int scrollTime);
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void resendPrepareEvent();
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Q_SIGNALS:
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void stateChanged(QScroller::State newstate);
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void scrollerPropertiesChanged(const QScrollerProperties &);
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private:
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QScrollerPrivate *d_ptr;
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QScroller(QObject *target);
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virtual ~QScroller();
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Q_DISABLE_COPY(QScroller)
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Q_DECLARE_PRIVATE(QScroller)
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#ifndef QT_NO_GESTURES
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friend class QFlickGestureRecognizer;
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#endif
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};
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QT_END_NAMESPACE
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#endif // QSCROLLER_H
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