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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
#ifndef QABSTRACT3DINPUTHANDLER_H
#define QABSTRACT3DINPUTHANDLER_H
#include <QtDataVisualization/qdatavisualizationenums.h>
#include <QtDataVisualization/q3dscene.h>
#include <QMouseEvent>
QT_DATAVISUALIZATION_BEGIN_NAMESPACE
class QAbstract3DInputHandlerPrivate;
class QT_DATAVISUALIZATION_EXPORT QAbstract3DInputHandler : public QObject
{
Q_OBJECT
Q_PROPERTY(QtDataVisualization::QDataVis::InputState inputState READ inputState WRITE setInputState NOTIFY inputStateChanged)
Q_PROPERTY(QPoint inputPosition READ inputPosition WRITE setInputPosition NOTIFY positionChanged)
Q_PROPERTY(Q3DScene *scene READ scene WRITE setScene NOTIFY sceneChanged)
public:
explicit QAbstract3DInputHandler(QObject *parent = 0);
virtual ~QAbstract3DInputHandler();
// Input event listeners
virtual void mouseDoubleClickEvent(QMouseEvent *event);
virtual void touchEvent(QTouchEvent *event);
virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos);
virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos);
virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos);
virtual void wheelEvent(QWheelEvent *event);
public:
// TODO: Check if the inputState needs to be visible outside of subclasses in the final architecture
QDataVis::InputState inputState();
void setInputState(QDataVis::InputState inputState);
QPoint inputPosition() const;
void setInputPosition(const QPoint &position);
Q3DScene *scene() const;
void setScene(Q3DScene *scene);
signals:
void positionChanged(const QPoint &position);
void inputStateChanged(QDataVis::InputState state);
void selectionAtPoint(const QPoint &point);
void sceneChanged(const Q3DScene *scene);
protected:
void setPrevDistance(int distance);
int prevDistance() const;
void setPreviousInputPos(const QPoint &position);
QPoint previousInputPos() const;
private:
Q_DISABLE_COPY(QAbstract3DInputHandler)
QScopedPointer<QAbstract3DInputHandlerPrivate> d_ptr;
friend class Abstract3DController;
};
QT_DATAVISUALIZATION_END_NAMESPACE
#endif // QABSTRACT3DINPUTHANDLER_H
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