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138 lines
3.8 KiB
138 lines
3.8 KiB
15 years ago
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#include "ClefInsertionCommand.h"
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#include <klocale.h>
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#include "misc/Strings.h"
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#include "base/Event.h"
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#include "base/NotationTypes.h"
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#include "base/Segment.h"
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#include "base/SegmentNotationHelper.h"
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#include "base/BaseProperties.h"
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#include "document/BasicCommand.h"
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#include <qstring.h>
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namespace Rosegarden
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{
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using namespace BaseProperties;
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ClefInsertionCommand::ClefInsertionCommand(Segment &segment, timeT time,
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Clef clef,
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bool shouldChangeOctave,
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bool shouldTranspose) :
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BasicCommand(getGlobalName(&clef), segment, time,
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((shouldChangeOctave || shouldTranspose) ?
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segment.getEndTime() : time + 1)),
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m_clef(clef),
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m_shouldChangeOctave(shouldChangeOctave),
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m_shouldTranspose(shouldTranspose),
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m_lastInsertedEvent(0)
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{
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// nothing
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}
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ClefInsertionCommand::~ClefInsertionCommand()
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{
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// nothing
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}
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QString
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ClefInsertionCommand::getGlobalName(Clef *)
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{
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/* doesn't handle octave offset -- leave it for now
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if (clef) {
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QString name(strtoqstr(clef->getClefType()));
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name = name.left(1).upper() + name.right(name.length()-1);
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return i18n("Change to %1 Cle&f...").arg(name);
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} else {
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*/
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return i18n("Add Cle&f Change...");
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/*
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}
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*/
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}
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timeT
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ClefInsertionCommand::getRelayoutEndTime()
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{
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// Inserting a clef can change the y-coord of every subsequent note
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return getSegment().getEndTime();
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}
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void
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ClefInsertionCommand::modifySegment()
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{
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SegmentNotationHelper helper(getSegment());
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Clef oldClef(getSegment().getClefAtTime(getStartTime()));
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Segment::iterator i = getSegment().findTime(getStartTime());
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while (getSegment().isBeforeEndMarker(i)) {
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if ((*i)->getAbsoluteTime() > getStartTime()) {
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break;
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}
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if ((*i)->isa(Clef::EventType)) {
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getSegment().erase(i);
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break;
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}
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++i;
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}
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i = helper.insertClef(getStartTime(), m_clef);
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if (i != helper.segment().end())
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m_lastInsertedEvent = *i;
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if (m_clef != oldClef) {
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int semitones = 0;
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if (m_shouldChangeOctave) {
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semitones += 12 * (m_clef.getOctave() - oldClef.getOctave());
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}
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if (m_shouldTranspose) {
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semitones -= m_clef.getPitchOffset() - oldClef.getPitchOffset();
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}
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if (semitones != 0) {
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while (i != helper.segment().end()) {
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if ((*i)->isa(Note::EventType)) {
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long pitch = 0;
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if ((*i)->get
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<Int>(PITCH, pitch)) {
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pitch += semitones;
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(*i)->set
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<Int>(PITCH, pitch);
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}
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}
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++i;
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}
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}
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}
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}
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}
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