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Diffstat (limited to 'src/commands/segment/RemoveTempoChangeCommand.cpp')
-rw-r--r-- | src/commands/segment/RemoveTempoChangeCommand.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/commands/segment/RemoveTempoChangeCommand.cpp b/src/commands/segment/RemoveTempoChangeCommand.cpp new file mode 100644 index 0000000..11a89ad --- /dev/null +++ b/src/commands/segment/RemoveTempoChangeCommand.cpp @@ -0,0 +1,59 @@ +/* -*- 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 "RemoveTempoChangeCommand.h" + +#include "base/Composition.h" +#include <qstring.h> + + +namespace Rosegarden +{ + +void +RemoveTempoChangeCommand::execute() +{ + if (m_tempoChangeIndex >= 0) { + std::pair<timeT, tempoT> data = + m_composition->getTempoChange(m_tempoChangeIndex); + + // store + m_oldTime = data.first; + m_oldTempo = data.second; + } + + // do we need to (re)store the index number? + // + m_composition->removeTempoChange(m_tempoChangeIndex); + +} + +void +RemoveTempoChangeCommand::unexecute() +{ + m_composition->addTempoAtTime(m_oldTime, m_oldTempo); +} + +} |