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#include <QtGui>

#include "glwidget.h"

#include "window.h"

//! [0]

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)));

//! [0]

//! [1]

    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"));

}

//! [1]

//! [2]

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;

}

//! [2]

void Window::keyPressEvent(QKeyEvent *e)

{

    if (e->key() == Qt::Key_Escape)

        close();

    else

        QWidget::keyPressEvent(e);

}