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193 lines
5.9 KiB
193 lines
5.9 KiB
14 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 "SetLyricsCommand.h"
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#include "base/Event.h"
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#include "misc/Strings.h"
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#include "misc/Debug.h"
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#include "base/Composition.h"
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#include "base/NotationTypes.h"
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#include "base/Segment.h"
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#include "base/BaseProperties.h"
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#include <qregexp.h>
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#include <qstring.h>
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#include <qstringlist.h>
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namespace Rosegarden
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{
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using namespace BaseProperties;
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SetLyricsCommand::SetLyricsCommand(Segment *segment, int verse, QString newLyricData) :
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KNamedCommand(getGlobalName()),
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m_segment(segment),
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m_verse(verse),
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m_newLyricData(newLyricData)
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{
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// nothing
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}
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SetLyricsCommand::~SetLyricsCommand()
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{
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for (std::vector<Event *>::iterator i = m_oldLyricEvents.begin();
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i != m_oldLyricEvents.end(); ++i) {
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delete *i;
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}
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}
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void
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SetLyricsCommand::execute()
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{
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// This and LyricEditDialog::unparse() are opposites that will
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// need to be kept in sync with any changes to one another. (They
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// should really both be in a common lyric management class.)
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// first remove old lyric events
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Segment::iterator i = m_segment->begin();
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while (i != m_segment->end()) {
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Segment::iterator j = i;
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++j;
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if ((*i)->isa(Text::EventType)) {
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std::string textType;
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if ((*i)->get<String>(Text::TextTypePropertyName, textType) &&
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textType == Text::Lyric) {
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long verse = 0;
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(*i)->get<Int>(Text::LyricVersePropertyName, verse);
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if (verse == m_verse) {
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m_oldLyricEvents.push_back(new Event(**i));
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m_segment->erase(i);
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}
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}
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}
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i = j;
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}
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// now parse the new string
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QStringList barStrings =
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QStringList::split("/", m_newLyricData, true); // empties ok
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Composition *comp = m_segment->getComposition();
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int barNo = comp->getBarNumber(m_segment->getStartTime());
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for (QStringList::Iterator bsi = barStrings.begin();
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bsi != barStrings.end(); ++bsi) {
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NOTATION_DEBUG << "Parsing lyrics for bar number " << barNo << ": \"" << *bsi << "\"" << endl;
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std::pair<timeT, timeT> barRange = comp->getBarRange(barNo++);
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QString syllables = *bsi;
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syllables.replace(QRegExp("\\[\\d+\\] "), " ");
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QStringList syllableList = QStringList::split(" ", syllables); // no empties
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i = m_segment->findTime(barRange.first);
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timeT laterThan = barRange.first - 1;
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for (QStringList::Iterator ssi = syllableList.begin();
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ssi != syllableList.end(); ++ssi) {
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while (m_segment->isBeforeEndMarker(i) &&
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(*i)->getAbsoluteTime() < barRange.second &&
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(!(*i)->isa(Note::EventType) ||
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(*i)->getNotationAbsoluteTime() <= laterThan ||
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((*i)->has(TIED_BACKWARD) &&
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(*i)->get
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<Bool>(TIED_BACKWARD)))) ++i;
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timeT time = m_segment->getEndMarkerTime();
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timeT notationTime = time;
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if (m_segment->isBeforeEndMarker(i)) {
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time = (*i)->getAbsoluteTime();
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notationTime = (*i)->getNotationAbsoluteTime();
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}
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QString syllable = *ssi;
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syllable.replace(QRegExp("~"), " ");
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syllable = syllable.simplifyWhiteSpace();
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if (syllable == "")
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continue;
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laterThan = notationTime + 1;
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if (syllable == ".")
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continue;
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NOTATION_DEBUG << "Syllable \"" << syllable << "\" at time " << time << endl;
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Text text(qstrtostr(syllable), Text::Lyric);
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Event *event = text.getAsEvent(time);
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event->set<Int>(Text::LyricVersePropertyName, m_verse);
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m_segment->insert(event);
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}
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}
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}
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void
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SetLyricsCommand::unexecute()
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{
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// Before we inserted the new lyric events (in execute()), we
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// removed all the existing ones. That means we know any lyric
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// events found now must have been inserted by execute(), so we
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// can safely remove them before restoring the old ones.
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Segment::iterator i = m_segment->begin();
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while (i != m_segment->end()) {
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Segment::iterator j = i;
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++j;
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if ((*i)->isa(Text::EventType)) {
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std::string textType;
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if ((*i)->get<String>(Text::TextTypePropertyName, textType) &&
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textType == Text::Lyric) {
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long verse = 0;
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(*i)->get<Int>(Text::LyricVersePropertyName, verse);
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if (verse == m_verse) {
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m_segment->erase(i);
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}
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}
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}
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i = j;
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}
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// Now restore the old ones and clear out the vector.
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for (std::vector<Event *>::iterator i = m_oldLyricEvents.begin();
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i != m_oldLyricEvents.end(); ++i) {
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m_segment->insert(*i);
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}
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m_oldLyricEvents.clear();
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}
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}
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