diff options
Diffstat (limited to 'src/commands/segment/AudioSegmentSplitCommand.cpp')
-rw-r--r-- | src/commands/segment/AudioSegmentSplitCommand.cpp | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/commands/segment/AudioSegmentSplitCommand.cpp b/src/commands/segment/AudioSegmentSplitCommand.cpp new file mode 100644 index 0000000..f0c462e --- /dev/null +++ b/src/commands/segment/AudioSegmentSplitCommand.cpp @@ -0,0 +1,155 @@ +/* -*- 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 <[email protected]>, + Chris Cannam <[email protected]>, + Richard Bown <[email protected]> + + 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 "AudioSegmentSplitCommand.h" + +#include <klocale.h> +#include "misc/Debug.h" +#include "misc/Strings.h" +#include "base/RealTime.h" +#include "base/Composition.h" +#include "base/Segment.h" +#include <qstring.h> + + +namespace Rosegarden +{ + +AudioSegmentSplitCommand::AudioSegmentSplitCommand(Segment *segment, + timeT splitTime) : + KNamedCommand(i18n("Split Audio Segment")), + m_segment(segment), + m_newSegment(0), + m_splitTime(splitTime), + m_previousEndMarkerTime(0), + m_detached(false) +{} + +AudioSegmentSplitCommand::~AudioSegmentSplitCommand() +{ + if (m_detached) { + delete m_newSegment; + } + delete m_previousEndMarkerTime; +} + +void +AudioSegmentSplitCommand::execute() +{ + if (!m_newSegment) { + + m_newSegment = new Segment(Segment::Audio); + + // Basics + // + m_newSegment->setAudioFileId(m_segment->getAudioFileId()); + m_newSegment->setTrack(m_segment->getTrack()); + + // Get the RealTime split time + // + RealTime splitDiff = + m_segment->getComposition()->getRealTimeDifference( + m_segment->getStartTime(), m_splitTime); + + // Set audio start and end + // + m_newSegment->setAudioStartTime + (m_segment->getAudioStartTime() + splitDiff); + m_newSegment->setAudioEndTime(m_segment->getAudioEndTime()); + + // Insert into composition before setting end time + // + m_segment->getComposition()->addSegment(m_newSegment); + + // Set start and end times + // + m_newSegment->setStartTime(m_splitTime); + m_newSegment->setEndTime(m_segment->getEndTime()); + + // Set original end time + // + // m_previousEndAudioTime = m_segment->getAudioEndTime(); + // m_segment->setAudioEndTime(m_newSegment->getAudioStartTime()); + + RG_DEBUG << "AudioSegmentSplitCommand::execute: Set end audio of left segment to " << m_newSegment->getAudioStartTime() << endl; + + + // Set labels + // + m_segmentLabel = m_segment->getLabel(); + QString newLabel = strtoqstr(m_segmentLabel); + if (!newLabel.endsWith(i18n(" (split)"))) { + newLabel = i18n("%1 (split)").arg(newLabel); + } + m_segment->setLabel(qstrtostr(newLabel)); + m_newSegment->setLabel(m_segment->getLabel()); + + // Set color + // + m_newSegment->setColourIndex(m_segment->getColourIndex()); + } + + // Resize left hand Segment + // + const timeT *emt = m_segment->getRawEndMarkerTime(); + if (emt) { + m_previousEndMarkerTime = new timeT(*emt); + } else { + m_previousEndMarkerTime = 0; + } + + RG_DEBUG << "AudioSegmentSplitCommand::execute: Setting end marker of left segment to " << m_splitTime << endl; + + m_segment->setEndMarkerTime(m_splitTime); + + if (!m_newSegment->getComposition()) { + m_segment->getComposition()->addSegment(m_newSegment); + } + + m_detached = false; + +} + +void +AudioSegmentSplitCommand::unexecute() +{ + if (m_previousEndMarkerTime) { + RG_DEBUG << "AudioSegmentSplitCommand::unexecute: Restoring end marker of left segment to " << *m_previousEndMarkerTime << endl; + + m_segment->setEndMarkerTime(*m_previousEndMarkerTime); + delete m_previousEndMarkerTime; + m_previousEndMarkerTime = 0; + } else { + m_segment->clearEndMarker(); + } + + m_segment->setLabel(m_segmentLabel); + // RG_DEBUG << "AudioSegmentSplitCommand::unexecute: Setting audio end time of left segment to " << m_previousEndAudioTime << endl; + // m_segment->setAudioEndTime(m_previousEndAudioTime); + m_segment->getComposition()->detachSegment(m_newSegment); + m_detached = true; +} + +} |