1 files changed, 192 insertions, 0 deletions
diff --git a/src/commands/edit/SetLyricsCommand.cpp b/src/commands/edit/SetLyricsCommand.cpp
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+++ b/src/commands/edit/SetLyricsCommand.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   <[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 "SetLyricsCommand.h"
+
+#include "base/Event.h"
+#include "misc/Strings.h"
+#include "misc/Debug.h"
+#include "base/Composition.h"
+#include "base/NotationTypes.h"
+#include "base/Segment.h"
+#include "base/BaseProperties.h"
+#include <qregexp.h>
+#include <qstring.h>
+#include <qstringlist.h>
+
+
+namespace Rosegarden
+{
+
+using namespace BaseProperties;
+
+SetLyricsCommand::SetLyricsCommand(Segment *segment, int verse, QString newLyricData) :
+        KNamedCommand(getGlobalName()),
+        m_segment(segment),
+        m_verse(verse),
+        m_newLyricData(newLyricData)
+{
+    // nothing
+}
+
+SetLyricsCommand::~SetLyricsCommand()
+{
+    for (std::vector<Event *>::iterator i = m_oldLyricEvents.begin();
+            i != m_oldLyricEvents.end(); ++i) {
+        delete *i;
+    }
+}
+
+void
+SetLyricsCommand::execute()
+{
+    // This and LyricEditDialog::unparse() are opposites that will
+    // need to be kept in sync with any changes to one another.  (They
+    // should really both be in a common lyric management class.)
+
+    // first remove old lyric events
+
+    Segment::iterator i = m_segment->begin();
+
+    while (i != m_segment->end()) {
+
+        Segment::iterator j = i;
+        ++j;
+
+        if ((*i)->isa(Text::EventType)) {
+            std::string textType;
+            if ((*i)->get<String>(Text::TextTypePropertyName, textType) &&
+                textType == Text::Lyric) {
+                long verse = 0;
+                (*i)->get<Int>(Text::LyricVersePropertyName, verse);
+                if (verse == m_verse) {
+                    m_oldLyricEvents.push_back(new Event(**i));
+                    m_segment->erase(i);
+                }
+            }
+        }
+
+        i = j;
+    }
+
+    // now parse the new string
+
+    QStringList barStrings =
+        QStringList::split("/", m_newLyricData, true); // empties ok
+
+    Composition *comp = m_segment->getComposition();
+    int barNo = comp->getBarNumber(m_segment->getStartTime());
+
+    for (QStringList::Iterator bsi = barStrings.begin();
+            bsi != barStrings.end(); ++bsi) {
+
+        NOTATION_DEBUG << "Parsing lyrics for bar number " << barNo << ": \"" << *bsi << "\"" << endl;
+
+        std::pair<timeT, timeT> barRange = comp->getBarRange(barNo++);
+        QString syllables = *bsi;
+        syllables.replace(QRegExp("\\[\\d+\\] "), " ");
+        QStringList syllableList = QStringList::split(" ", syllables); // no empties
+
+        i = m_segment->findTime(barRange.first);
+        timeT laterThan = barRange.first - 1;
+
+        for (QStringList::Iterator ssi = syllableList.begin();
+                ssi != syllableList.end(); ++ssi) {
+
+            while (m_segment->isBeforeEndMarker(i) &&
+                    (*i)->getAbsoluteTime() < barRange.second &&
+                    (!(*i)->isa(Note::EventType) ||
+                     (*i)->getNotationAbsoluteTime() <= laterThan ||
+                     ((*i)->has(TIED_BACKWARD) &&
+                      (*i)->get
+                      <Bool>(TIED_BACKWARD)))) ++i;
+
+            timeT time = m_segment->getEndMarkerTime();
+            timeT notationTime = time;
+            if (m_segment->isBeforeEndMarker(i)) {
+                time = (*i)->getAbsoluteTime();
+                notationTime = (*i)->getNotationAbsoluteTime();
+            }
+
+            QString syllable = *ssi;
+            syllable.replace(QRegExp("~"), " ");
+            syllable = syllable.simplifyWhiteSpace();
+            if (syllable == "")
+                continue;
+            laterThan = notationTime + 1;
+            if (syllable == ".")
+                continue;
+
+            NOTATION_DEBUG << "Syllable \"" << syllable << "\" at time " << time << endl;
+
+            Text text(qstrtostr(syllable), Text::Lyric);
+            Event *event = text.getAsEvent(time);
+            event->set<Int>(Text::LyricVersePropertyName, m_verse);
+            m_segment->insert(event);
+        }
+    }
+}
+
+void
+SetLyricsCommand::unexecute()
+{
+    // Before we inserted the new lyric events (in execute()), we
+    // removed all the existing ones.  That means we know any lyric
+    // events found now must have been inserted by execute(), so we
+    // can safely remove them before restoring the old ones.
+
+    Segment::iterator i = m_segment->begin();
+
+    while (i != m_segment->end()) {
+
+        Segment::iterator j = i;
+        ++j;
+
+        if ((*i)->isa(Text::EventType)) {
+            std::string textType;
+            if ((*i)->get<String>(Text::TextTypePropertyName, textType) &&
+                textType == Text::Lyric) {
+                long verse = 0;
+                (*i)->get<Int>(Text::LyricVersePropertyName, verse);
+                if (verse == m_verse) {
+                    m_segment->erase(i);
+                }
+            }
+        }
+
+        i = j;
+    }
+
+    // Now restore the old ones and clear out the vector.
+
+    for (std::vector<Event *>::iterator i = m_oldLyricEvents.begin();
+            i != m_oldLyricEvents.end(); ++i) {
+        m_segment->insert(*i);
+    }
+
+    m_oldLyricEvents.clear();
+}
+
+}