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Diffstat (limited to 'src/commands/segment/SegmentChangePlayableRangeCommand.cpp')
-rw-r--r-- | src/commands/segment/SegmentChangePlayableRangeCommand.cpp | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/src/commands/segment/SegmentChangePlayableRangeCommand.cpp b/src/commands/segment/SegmentChangePlayableRangeCommand.cpp new file mode 100644 index 0000000..b4d5d3a --- /dev/null +++ b/src/commands/segment/SegmentChangePlayableRangeCommand.cpp @@ -0,0 +1,77 @@ +/* -*- 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 2000-2007 + 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 "SegmentChangePlayableRangeCommand.h" + +#include "base/Segment.h" +#include "gui/editors/notation/NotationStrings.h" +#include <qstring.h> + + +namespace Rosegarden +{ + +SegmentChangePlayableRangeCommand::SegmentChangePlayableRangeCommand(int low, int high, Segment *segment) : + KNamedCommand(getGlobalName(low, high)), + m_lowestPlayableNote(low), + m_highestPlayableNote(high), + m_segment(segment) +{ + // nothing +} + +SegmentChangePlayableRangeCommand::~SegmentChangePlayableRangeCommand() +{ + // nothing +} + +void +SegmentChangePlayableRangeCommand::execute() +{ + m_oldLowestPlayableNote = m_segment->getLowestPlayable(); + m_oldHighestPlayableNote = m_segment->getHighestPlayable(); + m_segment->setLowestPlayable(m_lowestPlayableNote); + m_segment->setHighestPlayable(m_highestPlayableNote); +} + +void +SegmentChangePlayableRangeCommand::unexecute() +{ + m_segment->setLowestPlayable(m_oldLowestPlayableNote); + m_segment->setHighestPlayable(m_oldHighestPlayableNote); +} + +QString +SegmentChangePlayableRangeCommand::getGlobalName(int low, int high) +{ + bool unit = false; // fake code to allow trunk/ to compile! + if (!unit) { + return "Undo change playable range"; + } else { + return QString("Change playable range to %1-%2").arg(low, high); + } +} + +} |