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window.cpp Example File
^{opengl/hellogl/window.cpp}

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    ** This file is part of the documentation of the Qt Toolkit.
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    #include <QtGui>

    #include "glwidget.h"
    #include "window.h"

    Window::Window()
    {
        glWidget = new GLWidget;

        xSlider = createSlider();
        ySlider = createSlider();
        zSlider = createSlider();

        connect(xSlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setXRotation(int)));
        connect(glWidget, SIGNAL(xRotationChanged(int)), xSlider, SLOT(setValue(int)));
        connect(ySlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setYRotation(int)));
        connect(glWidget, SIGNAL(yRotationChanged(int)), ySlider, SLOT(setValue(int)));
        connect(zSlider, SIGNAL(valueChanged(int)), glWidget, SLOT(setZRotation(int)));
        connect(glWidget, SIGNAL(zRotationChanged(int)), zSlider, SLOT(setValue(int)));

        QHBoxLayout *mainLayout = new QHBoxLayout;
        mainLayout->addWidget(glWidget);
        mainLayout->addWidget(xSlider);
        mainLayout->addWidget(ySlider);
        mainLayout->addWidget(zSlider);
        setLayout(mainLayout);

        xSlider->setValue(15 * 16);
        ySlider->setValue(345 * 16);
        zSlider->setValue(0 * 16);
        setWindowTitle(tr("Hello GL"));
    }

    QSlider *Window::createSlider()
    {
        QSlider *slider = new QSlider(Qt::Vertical);
        slider->setRange(0, 360 * 16);
        slider->setSingleStep(16);
        slider->setPageStep(15 * 16);
        slider->setTickInterval(15 * 16);
        slider->setTickPosition(QSlider::TicksRight);
        return slider;
    }