Added old abandoned KDE3 version of the RoseGarden MIDI tool

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1097595 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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   <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 "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;
+}
+
+}