console.cpp Example File | Qt Serial Port 5.6

Qt 5.6 | Qt Serial Port | Terminal Example | console.cpp Example File

Qt 5.6.2 Reference Documentation

# console.cpp Example File

terminal/console.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2012 Denis Shienkov <denis.shienkov@gmail.com>
      ** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the QtSerialPort module of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:LGPL21$
      ** Commercial License Usage
      ** Licensees holding valid commercial Qt licenses may use this file in
      ** accordance with the commercial license agreement provided with the
      ** Software or, alternatively, in accordance with the terms contained in
      ** a written agreement between you and The Qt Company. For licensing terms
      ** and conditions see http://www.qt.io/terms-conditions. For further
      ** information use the contact form at http://www.qt.io/contact-us.
      **
      ** GNU Lesser General Public License Usage
      ** Alternatively, this file may be used under the terms of the GNU Lesser
      ** General Public License version 2.1 or version 3 as published by the Free
      ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
      ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
      ** following information to ensure the GNU Lesser General Public License
      ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
      ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
      **
      ** As a special exception, The Qt Company gives you certain additional
      ** rights. These rights are described in The Qt Company LGPL Exception
      ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #include "console.h"

      #include <QScrollBar>

      #include <QtCore/QDebug>

      Console::Console(QWidget *parent)
          : QPlainTextEdit(parent)
          , localEchoEnabled(false)
      {
          document()->setMaximumBlockCount(100);
          QPalette p = palette();
          p.setColor(QPalette::Base, Qt::black);
          p.setColor(QPalette::Text, Qt::green);
          setPalette(p);

      }

      void Console::putData(const QByteArray &data)
      {
          insertPlainText(QString(data));

          QScrollBar *bar = verticalScrollBar();
          bar->setValue(bar->maximum());
      }

      void Console::setLocalEchoEnabled(bool set)
      {
          localEchoEnabled = set;
      }

      void Console::keyPressEvent(QKeyEvent *e)
      {
          switch (e->key()) {
          case Qt::Key_Backspace:
          case Qt::Key_Left:
          case Qt::Key_Right:
          case Qt::Key_Up:
          case Qt::Key_Down:
              break;
          default:
              if (localEchoEnabled)
                  QPlainTextEdit::keyPressEvent(e);
              emit getData(e->text().toLocal8Bit());
          }
      }

      void Console::mousePressEvent(QMouseEvent *e)
      {
          Q_UNUSED(e)
          setFocus();
      }

      void Console::mouseDoubleClickEvent(QMouseEvent *e)
      {
          Q_UNUSED(e)
      }

      void Console::contextMenuEvent(QContextMenuEvent *e)
      {
          Q_UNUSED(e)
      }