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diff --git a/src/commands/segment/SegmentSyncCommand.cpp b/src/commands/segment/SegmentSyncCommand.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 2000-2007
+        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 "SegmentSyncCommand.h"
+
+#include "base/Selection.h"
+#include "commands/notation/KeyInsertionCommand.h"
+#include "commands/edit/TransposeCommand.h"
+#include "commands/segment/SegmentChangeTransposeCommand.h"
+#include "commands/segment/SegmentTransposeCommand.h"
+#include "commands/segment/SegmentSyncClefCommand.h"
+
+namespace Rosegarden
+{
+SegmentSyncCommand::SegmentSyncCommand(Segment &segment, int newTranspose, int lowRange, int highRange, const Clef& clef) :
+        KMacroCommand(i18n("Sync segment parameters"))
+{
+    processSegment(segment, newTranspose, lowRange, highRange, clef);
+}
+
+SegmentSyncCommand::SegmentSyncCommand(SegmentSelection selection, int newTranspose, int lowRange, int highRange, const Clef& clef) :
+        KMacroCommand(i18n("Sync segment parameters"))
+{
+    for (SegmentSelection::iterator i = selection.begin();
+            i != selection.end(); ++i) 
+    {
+        Segment &segment = **i;    
+        processSegment(segment, newTranspose, lowRange, highRange, clef);
+    }
+}
+
+SegmentSyncCommand::SegmentSyncCommand(std::vector<Segment *> segments, int newTranspose, int lowRange, int highRange, const Clef& clef) :
+        KMacroCommand(i18n("Sync segment parameters"))
+{
+	for (int i = 0; i < segments.size(); i++) {
+        processSegment(*(segments[i]), newTranspose, lowRange, highRange, clef);
+    }
+}
+
+SegmentSyncCommand::SegmentSyncCommand(Composition::segmentcontainer& segments, TrackId selectedTrack, int newTranspose, int lowRange, int highRange, const Clef& clef) :
+        KMacroCommand(i18n("Sync segment parameters"))
+{
+    for (Composition::segmentcontainer::const_iterator si = segments.begin();
+                        si != segments.end(); ++si) {
+        if ((*si)->getTrack() == selectedTrack) {
+            processSegment(**si, newTranspose, lowRange, highRange, clef);
+        }
+    }
+}
+
+void 
+SegmentSyncCommand::processSegment(Segment &segment, int newTranspose, int lowRange, int highRange, const Clef& clef)
+{
+    KMacroCommand * macroCommand = this;
+    
+    // if the new desired setting for 'transpose' is higher, we need to 
+    // transpose the notes upwards to compensate:
+    int semitones = segment.getTranspose() - newTranspose;
+    
+    // Say the old transpose was -2 and the new is 0, this corresponds to
+    // Bb and C. The height of the old transpose is 1 below the height of the new.
+    int oldHeight = Pitch(segment.getTranspose()).getHeightOnStaff(Clef::Treble, Key("C major"));
+    int newHeight = Pitch(newTranspose).getHeightOnStaff(Clef::Treble, Key("C major"));
+    int steps = oldHeight - newHeight;
+
+    SegmentTransposeCommand* command = new SegmentTransposeCommand(segment, true, steps, semitones, true);
+    macroCommand->addCommand(command);
+    
+    // TODO do this in an undoable fashion:
+    segment.setLowestPlayable(lowRange);
+    segment.setHighestPlayable(highRange);
+    
+    macroCommand->addCommand(new SegmentSyncClefCommand(segment, clef));
+}
+
+
+SegmentSyncCommand::~SegmentSyncCommand()
+{}
+
+
+}