Qt 4.0: globjwin.cpp Example File (activeqt/opengl/globjwin.cpp)

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# globjwin.cpp Example File
activeqt/opengl/globjwin.cpp

        /****************************************************************************
        **
        ** Copyright (C) 1992-2005 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 as published by the Free Software Foundation
    ** and appearing in the file LICENSE.GPL included in the packaging of
    ** this file.  Please review the following information to ensure GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
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    ** If you are unsure which license is appropriate for your use, please
    ** review the following information:
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        **
        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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        #include <qpushbutton.h>
        #include <qslider.h>
        #include <qlayout.h>
        #include <qframe.h>
        #include <qmenubar.h>
        #include <qmenu.h>
        #include <qapplication.h>
        #include "globjwin.h"
        #include "glbox.h"

        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 );
        }