main.cpp 范例文件

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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();
}