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/****************************************************************************
**
** Copyright (C) 2014 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 CUSTOMINPUTHANDLER_H
#define CUSTOMINPUTHANDLER_H
#include <QtDataVisualization/Q3DInputHandler>
#include <QtDataVisualization/QAbstract3DGraph>
#include <QtDataVisualization/QValue3DAxis>
#include "highlightseries.h"
using namespace QtDataVisualization;
class CustomInputHandler : public Q3DInputHandler
{
Q_OBJECT
enum InputState {
StateNormal = 0,
StateDraggingX,
StateDraggingZ,
StateDraggingY
};
public:
explicit CustomInputHandler(QAbstract3DGraph *graph, QObject *parent = 0);
inline void setLimits(float min, float max) {
m_areaMinValue = min;
m_areaMaxValue = max;
m_axisXMinValue = m_areaMinValue;
m_axisXMaxValue = m_areaMaxValue;
m_axisZMinValue = m_areaMinValue;
m_axisZMaxValue = m_areaMaxValue;
m_axisXMinRange = (m_areaMaxValue - m_areaMinValue) * 0.49f;
m_axisZMinRange = (m_areaMaxValue - m_areaMinValue) * 0.49f;
}
inline void setAxes(QValue3DAxis *axisX, QValue3DAxis *axisY, QValue3DAxis *axisZ) {
m_axisX = axisX;
m_axisY = axisY;
m_axisZ = axisZ;
}
inline void setAspectRatio(float ratio) { m_aspectRatio = ratio; }
inline void setHighlightSeries(HighlightSeries *series) { m_highlight = series; }
inline void setDragSpeedModifier(float modifier) { m_speedModifier = modifier; }
virtual void mousePressEvent(QMouseEvent *event, const QPoint &mousePos);
virtual void mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos);
virtual void mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos);
virtual void wheelEvent(QWheelEvent *event);
private:
void handleElementSelected(QAbstract3DGraph::ElementType type);
void handleAxisDragging();
void checkConstraints();
private:
HighlightSeries *m_highlight;
bool m_mousePressed;
InputState m_state;
QValue3DAxis *m_axisX;
QValue3DAxis *m_axisY;
QValue3DAxis *m_axisZ;
float m_speedModifier;
float m_aspectRatio;
float m_axisXMinValue;
float m_axisXMaxValue;
float m_axisXMinRange;
float m_axisZMinValue;
float m_axisZMaxValue;
float m_axisZMinRange;
float m_areaMinValue;
float m_areaMaxValue;
};
#endif
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