1 files changed, 114 insertions, 0 deletions
diff --git a/src/commands/segment/SegmentReconfigureCommand.cpp b/src/commands/segment/SegmentReconfigureCommand.cpp
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+++ b/src/commands/segment/SegmentReconfigureCommand.cpp
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+/* -*- 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 "SegmentReconfigureCommand.h"
+
+#include "base/Segment.h"
+#include "base/Track.h"
+#include <qstring.h>
+
+
+namespace Rosegarden
+{
+
+SegmentReconfigureCommand::SegmentReconfigureCommand(QString name) :
+        KNamedCommand(name)
+{}
+
+SegmentReconfigureCommand::~SegmentReconfigureCommand()
+{}
+
+void
+SegmentReconfigureCommand::addSegment(Segment *segment,
+                                      timeT startTime,
+                                      timeT endMarkerTime,
+                                      TrackId track)
+{
+    SegmentRec record;
+    record.segment = segment;
+    record.startTime = startTime;
+    record.endMarkerTime = endMarkerTime;
+    record.track = track;
+    m_records.push_back(record);
+}
+
+void
+SegmentReconfigureCommand::addSegments(const SegmentRecSet &records)
+{
+    for (SegmentRecSet::const_iterator i = records.begin(); i != records.end(); ++i) {
+        m_records.push_back(*i);
+    }
+}
+
+void
+SegmentReconfigureCommand::execute()
+{
+    swap();
+}
+
+void
+SegmentReconfigureCommand::unexecute()
+{
+    swap();
+}
+
+void
+SegmentReconfigureCommand::swap()
+{
+    for (SegmentRecSet::iterator i = m_records.begin();
+            i != m_records.end(); ++i) {
+
+        // set the segment's values from the record, but set the
+        // previous values back in to the record for use in the
+        // next iteration of the execute/unexecute cycle.
+
+        // #1083496: look up both of the "old" values before we set
+        // anything, as setting the start time is likely to change the
+        // end marker time.
+
+        timeT prevStartTime = i->segment->getStartTime();
+        timeT prevEndMarkerTime = i->segment->getEndMarkerTime();
+
+        if (i->segment->getStartTime() != i->startTime) {
+            i->segment->setStartTime(i->startTime);
+        }
+
+        if (i->segment->getEndMarkerTime() != i->endMarkerTime) {
+            i->segment->setEndMarkerTime(i->endMarkerTime);
+        }
+
+        i->startTime = prevStartTime;
+        i->endMarkerTime = prevEndMarkerTime;
+
+        TrackId currentTrack = i->segment->getTrack();
+
+        if (currentTrack != i->track) {
+            i->segment->setTrack(i->track);
+            i->track = currentTrack;
+        }
+    }
+}
+
+}