globjwin.cpp Example File
^{activeqt/opengl/globjwin.cpp}

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    ** This file is part of the documentation 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 );
    }