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** This file is part of the examples of the Qt Toolkit.
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#include "globjwin.h"
#include "glbox.h"
#include <QPushButton>
#include <QSlider>
#include <QLayout>
#include <QFrame>
#include <QMenuBar>
#include <QMenu>
#include <QApplication>


GLObjectWindow::GLObjectWindow(QWidget* parent)
    : QWidget(parent)
{

    // Create a menu
    QMenu *file = new QMenu( this );
    file->addAction( "Exit",  qApp, SLOT(quit())/*, CTRL+Key_Q*/);

    // Create a menu bar
    QMenuBar *m = new QMenuBar( this );
    m->addMenu(file)->setText("&File");

    // Create a nice frame to put around the OpenGL widget
    QFrame* f = new QFrame(this);
    f->setFrameStyle( QFrame::Sunken | QFrame::Panel );
    f->setLineWidth( 2 );

    // Create our OpenGL widget
    GLBox* c = new GLBox( f, "glbox");

    // Create the three sliders; one for each rotation axis
    QSlider* x = new QSlider(Qt::Vertical, this);
    x->setMaximum(360);
    x->setPageStep(60);
    x->setTickPosition( QSlider::TicksLeft );
    QObject::connect( x, SIGNAL(valueChanged(int)),c,SLOT(setXRotation(int)) );

    QSlider* y = new QSlider(Qt::Vertical, this);
    y->setMaximum(360);
    y->setPageStep(60);
    y->setTickPosition( QSlider::TicksLeft );
    QObject::connect( y, SIGNAL(valueChanged(int)),c,SLOT(setYRotation(int)) );

    QSlider* z = new QSlider(Qt::Vertical, this);
    z->setMaximum(360);
    z->setPageStep(60);
    z->setTickPosition( QSlider::TicksLeft );
    QObject::connect( z, SIGNAL(valueChanged(int)),c,SLOT(setZRotation(int)) );

    // Now that we have all the widgets, put them into a nice layout

    // Top level layout, puts the sliders to the left of the frame/GL widget
    QHBoxLayout* hlayout = new QHBoxLayout(this);

    // Put the sliders on top of each other
    QVBoxLayout* vlayout = new QVBoxLayout();
    vlayout->addWidget( x );
    vlayout->addWidget( y );
    vlayout->addWidget( z );

    // Put the GL widget inside the frame
    QHBoxLayout* flayout = new QHBoxLayout(f);
    flayout->setMargin(0);
    flayout->addWidget( c, 1 );

    hlayout->setMenuBar( m );
    hlayout->addLayout( vlayout );
    hlayout->addWidget( f, 1 );
}