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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 <[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 "SegmentTransposeCommand.h"
+
+#include "base/Selection.h"
+#include "commands/notation/KeyInsertionCommand.h"
+#include "commands/edit/TransposeCommand.h"
+#include "commands/segment/SegmentChangeTransposeCommand.h"
+
+namespace Rosegarden
+{
+SegmentTransposeCommand::SegmentTransposeCommand(Segment &segment, bool changeKey, int steps, int semitones, bool transposeSegmentBack) :
+ KMacroCommand(i18n("Change segment transposition"))
+{
+ processSegment(segment, changeKey, steps, semitones, transposeSegmentBack);
+}
+
+SegmentTransposeCommand::SegmentTransposeCommand(SegmentSelection selection, bool changeKey, int steps, int semitones, bool transposeSegmentBack) :
+ KMacroCommand(i18n("Change segment transposition"))
+{
+ //SegmentSelection selection(m_view->getSelection());
+ for (SegmentSelection::iterator i = selection.begin();
+ i != selection.end(); ++i)
+ {
+ Segment &segment = **i;
+ processSegment(segment, changeKey, steps, semitones, transposeSegmentBack);
+ }
+}
+
+void
+SegmentTransposeCommand::processSegment(Segment &segment, bool changeKey, int steps, int semitones, bool transposeSegmentBack)
+{
+ KMacroCommand * macroCommand = this;
+
+ // TODO delete it somewhere.
+ EventSelection * wholeSegment = new EventSelection(segment, segment.getStartTime(), segment.getEndMarkerTime());
+ macroCommand->addCommand(new TransposeCommand
+ (semitones, steps, *wholeSegment));
+
+ // Key insertion can do transposition, but a C4 to D becomes a D4, while
+ // a C4 to G becomes a G3. Because we let the user specify an explicit number
+ // of octaves to move the notes up/down, we add the keys without transposing
+ // and handle the transposition seperately:
+ if (changeKey)
+ {
+ Rosegarden::Key initialKey = segment.getKeyAtTime(segment.getStartTime());
+ Rosegarden::Key newInitialKey = initialKey.transpose(semitones, steps);
+
+ EventSelection::eventcontainer::iterator i;
+ //std::list<KeyInsertionCommand*> commands;
+
+ for (i = wholeSegment->getSegmentEvents().begin();
+ i != wholeSegment->getSegmentEvents().end(); ++i) {
+ // transpose key
+ if ((*i)->isa(Rosegarden::Key::EventType)) {
+ Rosegarden::Key trKey = (Rosegarden::Key (**i)).transpose(semitones, steps);
+ //commands.push_front
+ macroCommand->addCommand
+ (new KeyInsertionCommand
+ (segment,
+ (*i)->getAbsoluteTime(),
+ trKey,
+ false,
+ false,
+ false,
+ true));
+ }
+ }
+ std::list<KeyInsertionCommand*>::iterator ci;
+ //for (ci=commands.begin(); ci!=commands.end(); ci++)
+ //{
+ // commandHistory->addCommand(*ci);
+ //}
+
+ KeyInsertionCommand *firstKeyCommand = new KeyInsertionCommand
+ (segment,
+ segment.getStartTime(),
+ newInitialKey,
+ false,
+ false,
+ false,
+ true);
+ //commandHistory->addCommand(firstKeyCommand);
+ macroCommand->addCommand(firstKeyCommand);
+ }
+
+ if (transposeSegmentBack)
+ {
+ // Transpose segment in opposite direction
+ int newTranspose = segment.getTranspose() - semitones;
+ macroCommand->addCommand(new SegmentChangeTransposeCommand(newTranspose, &segment));
+ }
+}
+
+
+SegmentTransposeCommand::~SegmentTransposeCommand()
+{}
+
+
+}