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Diffstat (limited to 'src/gui/editors/guitar/ChordMap.cpp')
| -rw-r--r-- | src/gui/editors/guitar/ChordMap.cpp | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/src/gui/editors/guitar/ChordMap.cpp b/src/gui/editors/guitar/ChordMap.cpp new file mode 100644 index 0000000..06662d9 --- /dev/null +++ b/src/gui/editors/guitar/ChordMap.cpp @@ -0,0 +1,223 @@ +/* -*- 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 <glaurent@telegraph-road.org>, + Chris Cannam <cannam@all-day-breakfast.com>, + Richard Bown <richard.bown@ferventsoftware.com> + + 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 "misc/Debug.h" +#include "ChordMap.h" + +#include <qfile.h> +#include <qtextstream.h> + +namespace Rosegarden +{ + +namespace Guitar +{ + +ChordMap::ChordMap() + : m_needSave(false) +{ +} + +void ChordMap::insert(const Chord& c) +{ + m_map.insert(c); + m_needSave = true; +} + + +ChordMap::chordarray +ChordMap::getChords(const QString& root, const QString& ext) const +{ + chordarray res; + + Chord tmp(root, ext); + NOTATION_DEBUG << "ChordMap::getChords : chord = " << tmp << " - ext is empty : " << ext.isEmpty() << endl; + + for (chordset::const_iterator i = m_map.lower_bound(tmp); i != m_map.end(); ++i) { + NOTATION_DEBUG << "ChordMap::getChords : checking chord " << *i << endl; + + if (i->getRoot() != root) + break; + + if (/* ext.isNull() || */ i->getExt() == ext) { + NOTATION_DEBUG << "ChordMap::getChords : adding chord " << *i << endl; + res.push_back(*i); + } else { + break; + } + } + + return res; +} + +QStringList +ChordMap::getRootList() const +{ + static QStringList rootNotes; + + if (rootNotes.count() == 0) { + rootNotes = QStringList::split(QString(","), "A,A#/Bb,B,C,C#/Db,D,D#/Eb,E,F,F#/Gb,G,G#/Ab"); + } + + // extract roots from map itself - not a very good idea + // +// QString currentRoot; +// +// for(chordset::const_iterator i = m_map.begin(); i != m_map.end(); ++i) { +// const Chord& chord = *i; +// if (chord.getRoot() != currentRoot) { +// rootNotes.push_back(chord.getRoot()); +// currentRoot = chord.getRoot(); +// } +// } + + return rootNotes; +} + +QStringList +ChordMap::getExtList(const QString& root) const +{ + QStringList extList; + QString currentExt = "ZZ"; + + Chord tmp(root); + + for(chordset::const_iterator i = m_map.lower_bound(tmp); i != m_map.end(); ++i) { + const Chord& chord = *i; +// NOTATION_DEBUG << "ChordMap::getExtList : chord = " << chord << endl; + + if (chord.getRoot() != root) + break; + + if (chord.getExt() != currentExt) { +// NOTATION_DEBUG << "ChordMap::getExtList : adding ext " << chord.getExt() << " for root " << root << endl; + extList.push_back(chord.getExt()); + currentExt = chord.getExt(); + } + } + + return extList; +} + +void +ChordMap::substitute(const Chord& oldChord, const Chord& newChord) +{ + remove(oldChord); + insert(newChord); +} + +void +ChordMap::remove(const Chord& c) +{ + m_map.erase(c); + m_needSave = true; +} + +bool ChordMap::saveDocument(const QString& filename, bool userChordsOnly, QString& errMsg) +{ + QFile file(filename); + file.open(IO_WriteOnly); + + QTextStream outStream(&file); + + outStream.setEncoding(QTextStream::UnicodeUTF8); + + outStream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + << "<!DOCTYPE rosegarden-chord-data>\n" + << "<rosegarden-chord-data version=\"" << VERSION + << "\" format-version-major=\"" << FILE_FORMAT_VERSION_MAJOR + << "\" format-version-minor=\"" << FILE_FORMAT_VERSION_MINOR + << "\" format-version-point=\"" << FILE_FORMAT_VERSION_POINT + << "\">\n"; + + outStream << "<chords>\n"; + + QString currentExt, currentRoot; + + for(iterator i = begin(); i != end(); ++i) { + const Chord& chord = *i; + + if (userChordsOnly && !chord.isUserChord()) + continue; // skip non-user chords + + if (chord.getRoot() != currentRoot) { + + currentRoot = chord.getRoot(); + + // close current chordset (if there was one) + if (i != begin()) + outStream << "\n</chordset>\n"; + + // open new chordset + outStream << "<chordset root=\"" << chord.getRoot() << "\">\n"; + currentExt = "NEWEXT"; // to make sure we open a new chord right after that + } + + if (chord.getExt() != currentExt) { + + currentExt = chord.getExt(); + + // close current chord (if there was one) + if (i != begin()) + outStream << "</chord>\n"; + + // open new chord + outStream << "<chord"; + if (!chord.getExt().isEmpty()) + outStream << " ext=\"" << chord.getExt() << "\""; + if (chord.isUserChord()) + outStream << " user=\"true\""; + + outStream << ">\n"; + } + + outStream << "<fingering>" << chord.getFingering().toString() << "</fingering>\n"; + } + + if (!m_map.empty()) + outStream << "</chord>\n"; // close last written chord + + outStream << "</chords>\n"; + outStream << "</rosegarden-chord-data>\n"; + + return outStream.device()->status() == IO_Ok; +} + +int ChordMap::FILE_FORMAT_VERSION_MAJOR = 1; +int ChordMap::FILE_FORMAT_VERSION_MINOR = 0; +int ChordMap::FILE_FORMAT_VERSION_POINT = 0; + + +void +ChordMap::debugDump() const +{ + for(chordset::const_iterator i = m_map.begin(); i != m_map.end(); ++i) { + Chord chord = *i; + NOTATION_DEBUG << "ChordMap::debugDump " << chord << endl; + } +} + +} + +} |