diff options
Diffstat (limited to 'src/datavisualization/input/qtouch3dinputhandler.cpp')
-rw-r--r-- | src/datavisualization/input/qtouch3dinputhandler.cpp | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/datavisualization/input/qtouch3dinputhandler.cpp b/src/datavisualization/input/qtouch3dinputhandler.cpp new file mode 100644 index 00000000..4df735a2 --- /dev/null +++ b/src/datavisualization/input/qtouch3dinputhandler.cpp @@ -0,0 +1,100 @@ +/**************************************************************************** +** +** 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 +** +****************************************************************************/ +#include "qtouch3dinputhandler.h" +#include "q3dcamera.h" + +QT_DATAVISUALIZATION_BEGIN_NAMESPACE + +QTouch3DInputHandler::QTouch3DInputHandler(QObject *parent) : + Q3DInputHandler(parent) +{ +} + +QTouch3DInputHandler::~QTouch3DInputHandler() +{ +} + +// Input event listeners +void QTouch3DInputHandler::mouseDoubleClickEvent(QMouseEvent *event) +{ + if (!scene()->isSlicingActivated()) { + setInputState( QDataVis::InputOnScene ); + // update mouse positions to prevent jumping when releasing or repressing a button + setInputPosition( event->pos() ); + } +} + +void QTouch3DInputHandler::touchEvent(QTouchEvent *event) +{ + QList<QTouchEvent::TouchPoint> points; + points = event->touchPoints(); + + if (!scene()->isSlicingActivated() && points.count() == 2) { + setInputState( QDataVis::InputOnPinch ); + + QPointF distance = points.at(0).pos() - points.at(1).pos(); + int newDistance = distance.manhattanLength(); + int zoomRate = 1; + int zoomLevel = scene()->camera()->zoomLevel(); + if (zoomLevel > 100) + zoomRate = 5; + if (newDistance > prevDistance()) + zoomLevel += zoomRate; + else + zoomLevel -= zoomRate; + if (zoomLevel > 500) + zoomLevel = 500; + else if (zoomLevel < 10) + zoomLevel = 10; + scene()->camera()->setZoomLevel(zoomLevel); + setPrevDistance(newDistance); + } +} + +void QTouch3DInputHandler::mousePressEvent(QMouseEvent *event, const QPoint &mousePos) +{ + // TODO: This code needs revisiting with new Qt releases and possibly move to using touch events for these as well. + if (Qt::LeftButton == event->button()) { + if (scene()->isSlicingActivated()) { + if (scene()->isInputInsideMainView(mousePos)) { + setInputState(QDataVis::InputOnOverview); + //qDebug() << "Mouse pressed on overview"; + } else if (scene()->isInputInsideSliceView(mousePos)) { + setInputState(QDataVis::InputOnSlice); + //qDebug() << "Mouse pressed on zoom"; + } else { + setInputState(QDataVis::InputNone); + } + } else { + setInputState(QDataVis::InputRotating); + // 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 (Qt::RightButton == event->button()) { + // disable rotating when in slice view + setInputState(QDataVis::InputOnScene); + // update mouse positions to prevent jumping when releasing or repressing a button + setInputPosition(mousePos); + } +} + +QT_DATAVISUALIZATION_END_NAMESPACE |