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diff --git a/src/gui/editors/segment/TrackLabel.cpp b/src/gui/editors/segment/TrackLabel.cpp
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+++ b/src/gui/editors/segment/TrackLabel.cpp
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Rosegarden
+    A MIDI and audio sequencer and musical notation editor.
+ 
+    This program is Copyright 2000-2008
+        Guillaume Laurent   <glaurent@telegraph-road.org>,
+        Chris Cannam        <cannam@all-day-breakfast.com>,
+        Richard Bown        <richard.bown@ferventsoftware.com>
+ 
+    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+    Bown to claim authorship of this work have been asserted.
+ 
+    Other copyrights also apply to some parts of this work.  Please
+    see the AUTHORS file and individual file headers for details.
+ 
+    This program is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+
+#include "TrackLabel.h"
+
+#include <klocale.h>
+#include "base/Track.h"
+#include <klineeditdlg.h>
+#include <qfont.h>
+#include <qframe.h>
+#include <qlabel.h>
+#include <qregexp.h>
+#include <qstring.h>
+#include <qtimer.h>
+#include <qtooltip.h>
+#include <qwidget.h>
+#include <qwidgetstack.h>
+#include <qvalidator.h>
+
+
+namespace Rosegarden
+{
+
+TrackLabel::TrackLabel(TrackId id,
+                       int position,
+                       QWidget *parent,
+                       const char *name):
+        QWidgetStack(parent, name),
+        m_instrumentLabel(new QLabel(this)),
+        m_trackLabel(new QLabel(this)),
+        m_id(id),
+        m_position(position)
+{
+    QFont font;
+    font.setPointSize(font.pointSize() * 95 / 100);
+    if (font.pixelSize() > 14)
+        font.setPixelSize(14);
+    font.setBold(false);
+    m_instrumentLabel->setFont(font);
+    m_trackLabel->setFont(font);
+
+    addWidget(m_instrumentLabel, ShowInstrument);
+    addWidget(m_trackLabel, ShowTrack);
+    raiseWidget(ShowTrack);
+
+    m_instrumentLabel->setFrameShape(QFrame::NoFrame);
+    m_trackLabel->setFrameShape(QFrame::NoFrame);
+
+    m_pressTimer = new QTimer(this);
+
+    connect(m_pressTimer, SIGNAL(timeout()),
+            this, SIGNAL(changeToInstrumentList()));
+
+    QToolTip::add
+        (this, i18n("Click and hold with left mouse button to assign this Track to an Instrument."));
+
+}
+
+TrackLabel::~TrackLabel()
+{}
+
+void TrackLabel::setIndent(int i)
+{
+    m_instrumentLabel->setIndent(i);
+    m_trackLabel->setIndent(i);
+}
+
+void TrackLabel::setAlternativeLabel(const QString &label)
+{
+    // recover saved original
+    if (label.isEmpty()) {
+
+        if (!m_alternativeLabel.isEmpty())
+            m_instrumentLabel->setText(m_alternativeLabel);
+
+        // do nothing if we've got nothing to swap
+        return ;
+    }
+
+    // Store the current (first) label
+    //
+    if (m_alternativeLabel.isEmpty())
+        m_alternativeLabel = m_instrumentLabel->text();
+
+    // set new label
+    m_instrumentLabel->setText(label);
+}
+
+void TrackLabel::clearAlternativeLabel()
+{
+    m_alternativeLabel = "";
+}
+
+void TrackLabel::showLabel(InstrumentTrackLabels l)
+{
+    raiseWidget(l);
+}
+
+void
+TrackLabel::setSelected(bool on)
+{
+    if (on) {
+        m_selected = true;
+
+        m_instrumentLabel->setPaletteBackgroundColor(colorGroup().highlight());
+        m_instrumentLabel->setPaletteForegroundColor(colorGroup().highlightedText());
+        m_trackLabel->setPaletteBackgroundColor(colorGroup().highlight());
+        m_trackLabel->setPaletteForegroundColor(colorGroup().highlightedText());
+
+    } else {
+        m_selected = false;
+
+        m_instrumentLabel->setPaletteBackgroundColor(colorGroup().background());
+        m_trackLabel->setPaletteBackgroundColor(colorGroup().background());
+        m_instrumentLabel->setPaletteForegroundColor(colorGroup().text());
+        m_trackLabel->setPaletteForegroundColor(colorGroup().text());
+    }
+    if (visibleWidget())
+        visibleWidget()->update();
+}
+
+void
+TrackLabel::mousePressEvent(QMouseEvent *e)
+{
+    if (e->button() == RightButton) {
+
+        emit clicked();
+        emit changeToInstrumentList();
+
+    } else if (e->button() == LeftButton) {
+
+        // start a timer on this hold
+        m_pressTimer->start(200, true); // 200ms, single shot
+    }
+}
+
+void
+TrackLabel::mouseReleaseEvent(QMouseEvent *e)
+{
+    // stop the timer if running
+    if (m_pressTimer->isActive())
+        m_pressTimer->stop();
+
+    if (e->button() == LeftButton) {
+        emit clicked();
+    }
+}
+
+void
+TrackLabel::mouseDoubleClickEvent(QMouseEvent *e)
+{
+    if (e->button() != LeftButton)
+        return ;
+
+    // Highlight this label alone and cheat using
+    // the clicked signal
+    //
+    emit clicked();
+
+    // Just in case we've got our timing wrong - reapply
+    // this label highlight
+    //
+    setSelected(true);
+
+    bool ok = false;
+
+    QRegExpValidator validator(QRegExp(".*"), this); // empty is OK
+
+    QString newText = KLineEditDlg::getText(i18n("Change track name"),
+                                            i18n("Enter new track name"),
+                                            m_trackLabel->text(),
+                                            &ok,
+                                            this,
+                                            &validator);
+
+    if ( ok )
+        emit renameTrack(newText, m_id);
+}
+
+}
+#include "TrackLabel.moc"