connect(channel.get(), SIGNAL(name_changed(const QString&)),
this, SLOT(on_name_changed(const QString&)));
connect(channel.get(), SIGNAL(colour_changed(const QColor&)),
this, SLOT(on_colour_changed(const QColor&)));
}
connect(channel.get(), SIGNAL(name_changed(const QString&)),
this, SLOT(on_name_changed(const QString&)));
connect(channel.get(), SIGNAL(colour_changed(const QColor&)),
this, SLOT(on_colour_changed(const QColor&)));
}