Custom Items Example

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 ** This file is part of the Qt Data Visualization module of the Qt Toolkit.
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 #include "customitemgraph.h"

 #include <QtWidgets/QApplication>
 #include <QtWidgets/QWidget>
 #include <QtWidgets/QHBoxLayout>
 #include <QtWidgets/QVBoxLayout>
 #include <QtWidgets/QCheckBox>
 #include <QtWidgets/QLabel>
 #include <QtWidgets/QMessageBox>

 int main(int argc, char **argv)
 {
     QApplication app(argc, argv);
     Q3DSurface *graph = new Q3DSurface();
     QWidget *container = QWidget::createWindowContainer(graph);

     if (!graph->hasContext()) {
         QMessageBox msgBox;
         msgBox.setText("Couldn't initialize the OpenGL context.");
         msgBox.exec();
         return -1;
     }

     container->setMinimumSize(QSize(800, 600));
     container->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     container->setFocusPolicy(Qt::StrongFocus);

     QWidget *widget = new QWidget;
     QHBoxLayout *hLayout = new QHBoxLayout(widget);
     QVBoxLayout *vLayoutLeft = new QVBoxLayout();
     vLayoutLeft->setAlignment(Qt::AlignTop);
     QVBoxLayout *vLayoutRight = new QVBoxLayout();
     vLayoutRight->setAlignment(Qt::AlignTop);
     hLayout->addLayout(vLayoutLeft);
     hLayout->addWidget(container, 1);
     hLayout->addLayout(vLayoutRight);

     QFont font = QFont("Century Gothic", 14);
     QLabel *label = new QLabel("Show:");
     font.setBold(true);
     label->setFont(font);
     vLayoutLeft->addWidget(label);

     font.setBold(false);
     QCheckBox *checkboxOne = new QCheckBox("Oil Rig 1");
     checkboxOne->setChecked(true);
     checkboxOne->setFont(font);
     vLayoutLeft->addWidget(checkboxOne);

     QCheckBox *checkboxTwo = new QCheckBox("Oil Rig 2");
     checkboxTwo->setChecked(true);
     checkboxTwo->setFont(font);
     vLayoutLeft->addWidget(checkboxTwo);

     QCheckBox *checkboxThree = new QCheckBox("Refinery");
     checkboxThree->setFont(font);
     vLayoutLeft->addWidget(checkboxThree);

     QLabel *label2 = new QLabel("Visuals:");
     font.setBold(true);
     label2->setFont(font);
     vLayoutRight->addWidget(label2);

     QCheckBox *checkboxOneRight = new QCheckBox("See-Through");
     font.setBold(false);
     checkboxOneRight->setFont(font);
     vLayoutRight->addWidget(checkboxOneRight);

     QCheckBox *checkboxTwoRight = new QCheckBox("Highlight Oil");
     checkboxTwoRight->setFont(font);
     vLayoutRight->addWidget(checkboxTwoRight);

     QCheckBox *checkboxThreeRight = new QCheckBox("Shadows");
     checkboxThreeRight->setFont(font);
     checkboxThreeRight->setChecked(true);
     vLayoutRight->addWidget(checkboxThreeRight);

     QLabel *label3 = new QLabel("Selection:");
     font.setBold(true);
     label3->setFont(font);
     vLayoutRight->addWidget(label3);

     QLabel *label4 = new QLabel("Nothing");
     font.setBold(false);
     font.setPointSize(11);
     label4->setFont(font);
     vLayoutRight->addWidget(label4);

     widget->setWindowTitle(QStringLiteral("Custom Items Example"));

     widget->show();

     CustomItemGraph *modifier = new CustomItemGraph(graph, label4);

     QObject::connect(checkboxOne, &QCheckBox::stateChanged,
                      modifier, &CustomItemGraph::toggleItemOne);
     QObject::connect(checkboxTwo, &QCheckBox::stateChanged,
                      modifier, &CustomItemGraph::toggleItemTwo);
     QObject::connect(checkboxThree, &QCheckBox::stateChanged,
                      modifier, &CustomItemGraph::toggleItemThree);

     QObject::connect(checkboxOneRight, &QCheckBox::stateChanged,
                      modifier, &CustomItemGraph::toggleSeeThrough);
     QObject::connect(checkboxTwoRight, &QCheckBox::stateChanged,
                      modifier, &CustomItemGraph::toggleOilHighlight);
     QObject::connect(checkboxThreeRight, &QCheckBox::stateChanged,
                      modifier, &CustomItemGraph::toggleShadows);

     return app.exec();
 }