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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 QtDataVis3D 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
**
****************************************************************************/
#include "q3dinputhandler.h"
QT_DATAVIS3D_BEGIN_NAMESPACE
Q3DInputHandler::Q3DInputHandler() :
QAbstract3DInputHandler()
{
}
// Input event listeners
void Q3DInputHandler::mousePressEvent(QMouseEvent *event, const QPoint &mousePos)
{
QRect mainViewPort = mainViewPortRect();
if (Qt::LeftButton == event->button()) {
if (slicingActivated()) {
if (mousePos.x() <= mainViewPort.width()
&& mousePos.y() <= mainViewPort.height()) {
setInputState(QDataVis::InputOnOverview);
//qDebug() << "Mouse pressed on overview";
} else {
setInputState(QDataVis::InputOnSlice);
//qDebug() << "Mouse pressed on zoom";
}
} else {
setInputState(QDataVis::InputOnScene);
// update mouse positions to prevent jumping when releasing or repressing a button
setInputPosition(mousePos);
//qDebug() << "Mouse pressed on scene";
}
} else if (Qt::MiddleButton == event->button()) {
// reset rotations
setInputPosition(QPoint(0, 0));
} else if (!slicingActivated() && Qt::RightButton == event->button()) {
// disable rotating when in slice view
setInputState(QDataVis::InputRotating);
// update mouse positions to prevent jumping when releasing or repressing a button
setInputPosition(mousePos);
}
// TODO: Call actual camera class when it's been written.
//m_cameraHelper->updateMousePos(m_mousePos);}
}
void Q3DInputHandler::mouseReleaseEvent(QMouseEvent *event, const QPoint &mousePos)
{
Q_UNUSED(event);
if (QDataVis::InputRotating == inputState()) {
// update mouse positions to prevent jumping when releasing or repressing a button
setInputPosition(mousePos);
// TODO: Call actual camera class when it's been written.
//m_cameraHelper->updateMousePos(mousePos);
}
setInputState(QDataVis::InputNone);
}
void Q3DInputHandler::mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos)
{
Q_UNUSED(event);
if (QDataVis::InputRotating == inputState())
setInputPosition(mousePos);
}
void Q3DInputHandler::wheelEvent(QWheelEvent *event)
{
// disable zooming if in slice view
if (slicingActivated())
return;
// Adjust zoom level based on what zoom range we're in.
int zoomLevel = QAbstract3DInputHandler::zoomLevel();
if (zoomLevel > oneToOneZoomLevel)
zoomLevel += event->angleDelta().y() / nearZoomRangeDivider;
else if (zoomLevel > halfSizeZoomLevel)
zoomLevel += event->angleDelta().y() / midZoomRangeDivider;
else
zoomLevel += event->angleDelta().y() / farZoomRangeDivider;
if (zoomLevel > maxZoomLevel)
zoomLevel = maxZoomLevel;
else if (zoomLevel < minZoomLevel)
zoomLevel = minZoomLevel;
setZoomLevel(zoomLevel);
}
QT_DATAVIS3D_END_NAMESPACE
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