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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKWHEELHANDLER_H
#define QQUICKWHEELHANDLER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/qevent.h>
#include <QtQuick/qquickitem.h>
#include "qquicksinglepointhandler_p.h"
QT_BEGIN_NAMESPACE
class QQuickWheelEvent;
class QQuickWheelHandlerPrivate;
class Q_QUICK_EXPORT QQuickWheelHandler : public QQuickSinglePointHandler
{
Q_OBJECT
Q_PROPERTY(Qt::Orientation orientation READ orientation WRITE setOrientation NOTIFY orientationChanged)
Q_PROPERTY(bool invertible READ isInvertible WRITE setInvertible NOTIFY invertibleChanged)
Q_PROPERTY(qreal activeTimeout READ activeTimeout WRITE setActiveTimeout NOTIFY activeTimeoutChanged)
Q_PROPERTY(qreal rotation READ rotation WRITE setRotation NOTIFY rotationChanged)
Q_PROPERTY(qreal rotationScale READ rotationScale WRITE setRotationScale NOTIFY rotationScaleChanged)
Q_PROPERTY(QString property READ property WRITE setProperty NOTIFY propertyChanged)
Q_PROPERTY(qreal targetScaleMultiplier READ targetScaleMultiplier WRITE setTargetScaleMultiplier NOTIFY targetScaleMultiplierChanged)
Q_PROPERTY(bool targetTransformAroundCursor READ isTargetTransformAroundCursor WRITE setTargetTransformAroundCursor NOTIFY targetTransformAroundCursorChanged)
Q_PROPERTY(bool blocking READ isBlocking WRITE setBlocking NOTIFY blockingChanged REVISION(6, 3))
QML_NAMED_ELEMENT(WheelHandler)
QML_ADDED_IN_VERSION(2, 14)
public:
explicit QQuickWheelHandler(QQuickItem *parent = nullptr);
Qt::Orientation orientation() const;
void setOrientation(Qt::Orientation orientation);
bool isInvertible() const;
void setInvertible(bool invertible);
qreal activeTimeout() const;
void setActiveTimeout(qreal timeout);
qreal rotation() const;
void setRotation(qreal rotation);
qreal rotationScale() const;
void setRotationScale(qreal rotationScale);
QString property() const;
void setProperty(const QString &name);
qreal targetScaleMultiplier() const;
void setTargetScaleMultiplier(qreal targetScaleMultiplier);
bool isTargetTransformAroundCursor() const;
void setTargetTransformAroundCursor(bool ttac);
bool isBlocking() const;
void setBlocking(bool blocking);
Q_SIGNALS:
void wheel(QQuickWheelEvent *event);
void orientationChanged();
void invertibleChanged();
void activeTimeoutChanged();
void rotationChanged();
void rotationScaleChanged();
void propertyChanged();
void targetScaleMultiplierChanged();
void targetTransformAroundCursorChanged();
Q_REVISION(6, 3) void blockingChanged();
protected:
bool wantsPointerEvent(QPointerEvent *event) override;
void handleEventPoint(QPointerEvent *event, QEventPoint &point) override;
void onTargetChanged(QQuickItem *oldTarget) override;
void onActiveChanged() override;
void timerEvent(QTimerEvent *event) override;
Q_DECLARE_PRIVATE(QQuickWheelHandler)
};
QT_END_NAMESPACE
#endif // QQUICKWHEELHANDLER_H
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