blob: 128b8c497745431cdb13450a974c30148e229ca1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/****************************************************************************
**
** 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 "qtouch3dinputhandler.h"
QT_DATAVIS3D_BEGIN_NAMESPACE
QTouch3DInputHandler::QTouch3DInputHandler() :
Q3DInputHandler()
{
}
// Input event listeners
void QTouch3DInputHandler::mouseDoubleClickEvent(QMouseEvent *event)
{
if (!slicingActivated()) {
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 (!slicingActivated() && 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 = QAbstract3DInputHandler::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;
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.
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::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 (!slicingActivated() && 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);
}
// TODO: Call actual camera class when it's been written.
//m_cameraHelper->updateMousePos(m_mousePos);
}
QT_DATAVIS3D_END_NAMESPACE
|