1/****************************************************************************
2**
3** Copyright (C) 2016 The Qt Company Ltd.
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt Data Visualization module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:GPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and The Qt Company. For licensing terms
14** and conditions see https://www.qt.io/terms-conditions. For further
15** information use the contact form at https://www.qt.io/contact-us.
16**
17** GNU General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU
19** General Public License version 3 or (at your option) any later version
20** approved by the KDE Free Qt Foundation. The licenses are as published by
21** the Free Software Foundation and appearing in the file LICENSE.GPL3
22** included in the packaging of this file. Please review the following
23** information to ensure the GNU General Public License requirements will
24** be met: https://www.gnu.org/licenses/gpl-3.0.html.
25**
26** $QT_END_LICENSE$
27**
28****************************************************************************/
29
30#include "scatterdatamodifier.h"
31
32#include <QtWidgets/QApplication>
33#include <QtWidgets/QWidget>
34#include <QtWidgets/QHBoxLayout>
35#include <QtWidgets/QVBoxLayout>
36#include <QtWidgets/QPushButton>
37#include <QtWidgets/QSlider>
38#include <QtWidgets/QLabel>
39#include <QtWidgets/QMessageBox>
40#include <QtGui/QScreen>
41
42int main(int argc, char **argv)
43{
44 QApplication app(argc, argv);
45 Q3DScatter *graph = new Q3DScatter();
46 QWidget *container = QWidget::createWindowContainer(window: graph);
47
48 if (!graph->hasContext()) {
49 QMessageBox msgBox;
50 msgBox.setText("Couldn't initialize the OpenGL context.");
51 msgBox.exec();
52 return -1;
53 }
54
55 QSize screenSize = graph->screen()->size();
56 container->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.5));
57 container->setMaximumSize(screenSize);
58 container->setSizePolicy(hor: QSizePolicy::Expanding, ver: QSizePolicy::Expanding);
59 container->setFocusPolicy(Qt::StrongFocus);
60
61 QWidget *widget = new QWidget;
62 QHBoxLayout *hLayout = new QHBoxLayout(widget);
63 QVBoxLayout *vLayout = new QVBoxLayout();
64 hLayout->addWidget(container, stretch: 1);
65 hLayout->addLayout(layout: vLayout);
66
67 widget->setWindowTitle(QStringLiteral("Item rotations example - Magnetic field of the sun"));
68
69 QPushButton *toggleRotationButton = new QPushButton(widget);
70 toggleRotationButton->setText(QStringLiteral("Toggle animation"));
71 QPushButton *toggleSunButton = new QPushButton(widget);
72 toggleSunButton->setText(QStringLiteral("Toggle Sun"));
73
74 QSlider *fieldLinesSlider = new QSlider(Qt::Horizontal, widget);
75 fieldLinesSlider->setTickInterval(1);
76 fieldLinesSlider->setMinimum(1);
77 fieldLinesSlider->setValue(12);
78 fieldLinesSlider->setMaximum(128);
79
80 QSlider *arrowsSlider = new QSlider(Qt::Horizontal, widget);
81 arrowsSlider->setTickInterval(1);
82 arrowsSlider->setMinimum(8);
83 arrowsSlider->setValue(16);
84 arrowsSlider->setMaximum(32);
85
86 vLayout->addWidget(toggleRotationButton);
87 vLayout->addWidget(toggleSunButton);
88 vLayout->addWidget(new QLabel(QStringLiteral("Field Lines (1 - 128):")));
89 vLayout->addWidget(fieldLinesSlider);
90 vLayout->addWidget(new QLabel(QStringLiteral("Arrows per line (8 - 32):")));
91 vLayout->addWidget(arrowsSlider, stretch: 1, alignment: Qt::AlignTop);
92
93 ScatterDataModifier *modifier = new ScatterDataModifier(graph);
94
95 QObject::connect(sender: toggleRotationButton, signal: &QPushButton::clicked, receiver: modifier,
96 slot: &ScatterDataModifier::toggleRotation);
97 QObject::connect(sender: toggleSunButton, signal: &QPushButton::clicked, receiver: modifier,
98 slot: &ScatterDataModifier::toggleSun);
99 QObject::connect(sender: fieldLinesSlider, signal: &QSlider::valueChanged, receiver: modifier,
100 slot: &ScatterDataModifier::setFieldLines);
101 QObject::connect(sender: arrowsSlider, signal: &QSlider::valueChanged, receiver: modifier,
102 slot: &ScatterDataModifier::setArrowsPerLine);
103
104 widget->show();
105 return app.exec();
106}
107

source code of qtdatavis3d/examples/datavisualization/rotations/main.cpp