Graph Gallery

 // Copyright (C) 2023 The Qt Company Ltd.
 // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause

 #include "scattergraph.h"

 #include <QtWidgets/qboxlayout.h>
 #include <QtWidgets/qcheckbox.h>
 #include <QtWidgets/qcombobox.h>
 #include <QtWidgets/qcommandlinkbutton.h>
 #include <QtWidgets/qlabel.h>

 using namespace Qt::StringLiterals;

 ScatterGraph::ScatterGraph()
 {
     m_scatterGraph = new Q3DScatter();
     initialize();
 }

 void ScatterGraph::initialize()
 {
     m_scatterWidget = new QWidget;
     auto *hLayout = new QHBoxLayout(m_scatterWidget);
     QSize screenSize = m_scatterGraph->screen()->size();
     m_scatterGraph->setMinimumSize(QSize(screenSize.width() / 2, screenSize.height() / 1.75));
     m_scatterGraph->setMaximumSize(screenSize);
     m_scatterGraph->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     m_scatterGraph->setFocusPolicy(Qt::StrongFocus);
     hLayout->addWidget(m_scatterGraph, 1);

     auto *vLayout = new QVBoxLayout();
     hLayout->addLayout(vLayout);

     auto *cameraButton = new QCommandLinkButton(m_scatterWidget);
     cameraButton->setText(u"Change camera preset"_s);
     cameraButton->setDescription(u"Switch between a number of preset camera positions"_s);
     cameraButton->setIconSize(QSize(0, 0));

     auto *itemCountButton = new QCommandLinkButton(m_scatterWidget);
     itemCountButton->setText(u"Toggle item count"_s);
     itemCountButton->setDescription(u"Switch between 900 and 10000 data points"_s);
     itemCountButton->setIconSize(QSize(0, 0));

     auto *rangeButton = new QCommandLinkButton(m_scatterWidget);
     rangeButton->setText(u"Toggle axis ranges"_s);
     rangeButton->setDescription(u"Switch between automatic axis ranges and preset ranges"_s);
     rangeButton->setIconSize(QSize(0, 0));

     auto *rangeMinSlider = new QSlider(m_scatterWidget);
     rangeMinSlider->setOrientation(Qt::Horizontal);
     rangeMinSlider->setMinimum(-10);
     rangeMinSlider->setMaximum(1);
     rangeMinSlider->setValue(-10);

     auto *rangeMaxSlider = new QSlider(m_scatterWidget);
     rangeMaxSlider->setOrientation(Qt::Horizontal);
     rangeMaxSlider->setMinimum(1);
     rangeMaxSlider->setMaximum(10);
     rangeMaxSlider->setValue(10);

     auto *backgroundCheckBox = new QCheckBox(m_scatterWidget);
     backgroundCheckBox->setText(u"Show background"_s);
     backgroundCheckBox->setChecked(true);

     auto *gridCheckBox = new QCheckBox(m_scatterWidget);
     gridCheckBox->setText(u"Show grid"_s);
     gridCheckBox->setChecked(true);

     auto *smoothCheckBox = new QCheckBox(m_scatterWidget);
     smoothCheckBox->setText(u"Smooth dots"_s);
     smoothCheckBox->setChecked(true);

     auto *itemStyleList = new QComboBox(m_scatterWidget);
     const QMetaObject &metaObj = QAbstract3DSeries::staticMetaObject;
     int index = metaObj.indexOfEnumerator("Mesh");
     QMetaEnum metaEnum = metaObj.enumerator(index);
     itemStyleList->addItem(u"Sphere"_s,
                            metaEnum.value(static_cast<int>(QAbstract3DSeries::Mesh::Sphere)));
     itemStyleList->addItem(u"Cube"_s,
                            metaEnum.value(static_cast<int>(QAbstract3DSeries::Mesh::Cube)));
     itemStyleList->addItem(u"Minimal"_s,
                            metaEnum.value(static_cast<int>(QAbstract3DSeries::Mesh::Minimal)));
     itemStyleList->addItem(u"Point"_s,
                            metaEnum.value(static_cast<int>(QAbstract3DSeries::Mesh::Point)));
     itemStyleList->setCurrentIndex(0);

     auto *themeList = new QComboBox(m_scatterWidget);
     themeList->addItem(u"Qt"_s);
     themeList->addItem(u"Primary Colors"_s);
     themeList->addItem(u"Stone Moss"_s);
     themeList->addItem(u"Army Blue"_s);
     themeList->addItem(u"Retro"_s);
     themeList->addItem(u"Ebony"_s);
     themeList->addItem(u"Isabelle"_s);
     themeList->setCurrentIndex(2);

     auto *shadowQuality = new QComboBox(m_scatterWidget);
     shadowQuality->addItem(u"None"_s);
     shadowQuality->addItem(u"Low"_s);
     shadowQuality->addItem(u"Medium"_s);
     shadowQuality->addItem(u"High"_s);
     shadowQuality->addItem(u"Low Soft"_s);
     shadowQuality->addItem(u"Medium Soft"_s);
     shadowQuality->addItem(u"High Soft"_s);
     shadowQuality->setCurrentIndex(6);

     vLayout->addWidget(cameraButton);
     vLayout->addWidget(itemCountButton);
     vLayout->addWidget(rangeButton);
     vLayout->addWidget(new QLabel(u"Adjust axis ranges"_s));
     vLayout->addWidget(rangeMinSlider);
     vLayout->addWidget(rangeMaxSlider);
     vLayout->addWidget(backgroundCheckBox);
     vLayout->addWidget(gridCheckBox);
     vLayout->addWidget(smoothCheckBox);
     vLayout->addWidget(new QLabel(u"Change dot style"_s));
     vLayout->addWidget(itemStyleList);
     vLayout->addWidget(new QLabel(u"Change theme"_s));
     vLayout->addWidget(themeList);
     vLayout->addWidget(new QLabel(u"Adjust shadow quality"_s));
     vLayout->addWidget(shadowQuality, 1, Qt::AlignTop);

     // Raise the graph to the top of the widget stack, to hide UI if resized smaller
     m_scatterGraph->raise();

     m_modifier = new ScatterDataModifier(m_scatterGraph, this);

     QObject::connect(cameraButton,
                      &QCommandLinkButton::clicked,
                      m_modifier,
                      &ScatterDataModifier::changePresetCamera);
     QObject::connect(itemCountButton,
                      &QCommandLinkButton::clicked,
                      m_modifier,
                      &ScatterDataModifier::toggleItemCount);
     QObject::connect(rangeButton,
                      &QCommandLinkButton::clicked,
                      m_modifier,
                      &ScatterDataModifier::toggleRanges);

     QObject::connect(rangeMinSlider,
                      &QSlider::valueChanged,
                      m_modifier,
                      &ScatterDataModifier::adjustMinimumRange);
     QObject::connect(rangeMaxSlider,
                      &QSlider::valueChanged,
                      m_modifier,
                      &ScatterDataModifier::adjustMaximumRange);

     QObject::connect(backgroundCheckBox,
                      &QCheckBox::stateChanged,
                      m_modifier,
                      &ScatterDataModifier::setBackgroundEnabled);
     QObject::connect(gridCheckBox,
                      &QCheckBox::stateChanged,
                      m_modifier,
                      &ScatterDataModifier::setGridEnabled);
     QObject::connect(smoothCheckBox,
                      &QCheckBox::stateChanged,
                      m_modifier,
                      &ScatterDataModifier::setSmoothDots);

     QObject::connect(m_modifier,
                      &ScatterDataModifier::backgroundEnabledChanged,
                      backgroundCheckBox,
                      &QCheckBox::setChecked);
     QObject::connect(m_modifier,
                      &ScatterDataModifier::gridEnabledChanged,
                      gridCheckBox,
                      &QCheckBox::setChecked);
     QObject::connect(itemStyleList,
                      &QComboBox::currentIndexChanged,
                      m_modifier,
                      &ScatterDataModifier::changeStyle);

     QObject::connect(themeList,
                      &QComboBox::currentIndexChanged,
                      m_modifier,
                      &ScatterDataModifier::changeTheme);

     QObject::connect(shadowQuality,
                      &QComboBox::currentIndexChanged,
                      m_modifier,
                      &ScatterDataModifier::changeShadowQuality);

     QObject::connect(m_modifier,
                      &ScatterDataModifier::shadowQualityChanged,
                      shadowQuality,
                      &QComboBox::setCurrentIndex);
     QObject::connect(m_scatterGraph,
                      &Q3DScatter::shadowQualityChanged,
                      m_modifier,
                      &ScatterDataModifier::shadowQualityUpdatedByVisual);
 }