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path: root/src/plugins/coreplugin/messageoutputwindow.cpp
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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/

#include "messageoutputwindow.h"

#include <QtGui/QScrollBar>

using namespace Core::Internal;

MessageOutputWindow::MessageOutputWindow()
{
    m_widget = new TextView;
    m_widget->setReadOnly(true);
    m_widget->setFrameStyle(QFrame::NoFrame);
}

MessageOutputWindow::~MessageOutputWindow()
{
    delete m_widget;
}

bool MessageOutputWindow::hasFocus()
{
    return m_widget->hasFocus();
}

bool MessageOutputWindow::canFocus()
{
    return true;
}

void MessageOutputWindow::setFocus()
{
    m_widget->setFocus();
}

void MessageOutputWindow::clearContents()
{
    m_widget->clear();
}

QWidget *MessageOutputWindow::outputWidget(QWidget *parent)
{
    m_widget->setParent(parent);
    return m_widget;
}

QString MessageOutputWindow::displayName() const
{
    return tr("General Messages");
}

void MessageOutputWindow::visibilityChanged(bool /*b*/)
{
}

void MessageOutputWindow::append(const QString &text)
{
    bool scroll = m_widget->isScrollbarAtBottom() || !m_widget->isVisible();
    m_widget->append(text);
    if (scroll)
        m_widget->scrollToBottom();
}

int MessageOutputWindow::priorityInStatusBar() const
{
    return -1;
}

bool MessageOutputWindow::canNext()
{
    return false;
}

bool MessageOutputWindow::canPrevious()
{
    return false;
}

void MessageOutputWindow::goToNext()
{

}

void MessageOutputWindow::goToPrev()
{

}

bool MessageOutputWindow::canNavigate()
{
    return false;
}

// -------- Copied from OutputWindow which should be shared instead

bool TextView::isScrollbarAtBottom() const
{
    return verticalScrollBar()->value() == verticalScrollBar()->maximum();
}

void TextView::scrollToBottom()
{
    verticalScrollBar()->setValue(verticalScrollBar()->maximum());
}

void TextView::showEvent(QShowEvent *e)
{
    bool atBottom = isScrollbarAtBottom();
    QTextEdit::showEvent(e);
    if (atBottom)
        scrollToBottom();
}

void TextView::resizeEvent(QResizeEvent *e)
{
    //Keep scrollbar at bottom of window while resizing, to ensure we keep scrolling
    //This can happen if window is resized while building, or if the horizontal scrollbar appears
    bool atBottom = isScrollbarAtBottom();
    QTextEdit::resizeEvent(e);
    if (atBottom)
        scrollToBottom();
}