globjwin.cpp Example File | Active Qt 5.6

Qt 5.6 | Active Qt | OpenGL Example (ActiveQt) | globjwin.cpp Example File

Qt 5.6.2 Reference Documentation

# globjwin.cpp Example File

activeqt/opengl/globjwin.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** You may use this file under the terms of the BSD license as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #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 );
      }