console.cpp Example File

examples/terminal/console.cpp
    /****************************************************************************
    **
    ** Copyright (C) 2012 Denis Shienkov <scapig@yandex.ru>
    ** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
    ** Contact: http://www.qt-project.org/
    **
    ** This file is part of the QtSerialPort module of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:LGPL$
    ** GNU Lesser General Public License Usage
    ** This file may be used under the terms of the GNU Lesser General Public
    ** License version 2.1 as published by the Free Software Foundation and
    ** appearing in the file LICENSE.LGPL included in the packaging of this
    ** file. Please review the following information to ensure the GNU Lesser
    ** General Public License version 2.1 requirements will be met:
    ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    **
    ** In addition, as a special exception, Nokia gives you certain additional
    ** rights. These rights are described in the Nokia Qt LGPL Exception
    ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
    **
    ** GNU General Public License Usage
    ** Alternatively, this file may be used under the terms of the GNU General
    ** Public License version 3.0 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 the GNU General
    ** Public License version 3.0 requirements will be met:
    ** http://www.gnu.org/copyleft/gpl.html.
    **
    ** Other Usage
    ** Alternatively, this file may be used in accordance with the terms and
    ** conditions contained in a signed written agreement between you and Nokia.
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    ** $QT_END_LICENSE$
    **
    ****************************************************************************/

    #include "console.h"

    #include <QScrollBar>

    #include <QtCore/QDebug>

    Console::Console(QWidget *parent) :
        QPlainTextEdit(parent)
    {
        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::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:
            // skip processing
            break;
        default:
            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)
    }