Mercurial > hg > svcore
view base/UnitDatabase.h @ 821:06c64a1c6785
Merge
author | Chris Cannam |
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date | Mon, 08 Jul 2013 14:49:28 +0100 |
parents | 1d789d688f59 |
children | ad5f892c0c4d |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. 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. */ #ifndef _UNIT_DATABASE_H_ #define _UNIT_DATABASE_H_ #include <QObject> #include <QString> #include <QStringList> #include <map> // This grandly named class is just a list of the names of known scale // units for the various models, for use as the set of fixed values in // unit dropdown menus etc. Of course, the user should be allowed to // enter their own as well. class UnitDatabase : public QObject { Q_OBJECT public: static UnitDatabase *getInstance(); QStringList getKnownUnits() const; void registerUnit(QString unit); /** * Return the reference id for a given unit name. If registerNew is * true and the unit is not known, register it and return its new * id. If register is false and the unit is not known, return -1. */ int getUnitId(QString unit, bool registerNew = true); QString getUnitById(int id); signals: void unitDatabaseChanged(); protected: UnitDatabase(); typedef std::map<QString, int> UnitMap; UnitMap m_units; int m_nextId; static UnitDatabase m_instance; }; #endif