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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2009 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __PLUGIN_API_FRACTION_H__
#define __PLUGIN_API_FRACTION_H__
#include "libmscore/fraction.h"
namespace Ms {
namespace PluginAPI {
//---------------------------------------------------------
// FractionWrapper
/// Fraction object available to QML plugins.
/// Use PluginAPI::PluginAPI::fraction to create a
/// fraction for usage within your plugin:
/// \code
/// var ts = newElement(Element.TIMESIG);
/// ts.timesig = fraction(3, 4);
/// \endcode
//---------------------------------------------------------
class FractionWrapper : public QObject {
Q_OBJECT
/** Fraction numerator */
Q_PROPERTY(int numerator READ numerator)
/** Fraction denominator */
Q_PROPERTY(int denominator READ denominator)
/**
* MIDI ticks number equal to the number of the whole
* notes represented by this fraction.
*/
Q_PROPERTY(int ticks READ ticks) // FIXME: fraction transition
/** String representation of this fraction */
Q_PROPERTY(QString str READ toString)
Ms::Fraction f;
/// \cond MS_INTERNAL
public slots:
void setFraction(Fraction _f) { f = _f; }
public:
FractionWrapper() = default;
FractionWrapper(const Ms::Fraction& _f) : f(_f) {}
Ms::Fraction fraction() const { return f; }
int numerator() const { return f.numerator(); }
int denominator() const { return f.denominator(); }
int ticks() const { return f.ticks(); }
QString toString() const { return f.toString(); }
/// \endcond
};
//---------------------------------------------------------
// wrap
/// \cond PLUGIN_API \private \endcond
/// \relates FractionWrapper
//---------------------------------------------------------
inline FractionWrapper* wrap(Ms::Fraction f)
{
FractionWrapper* w = new FractionWrapper(f);
// All wrapper objects should belong to JavaScript code.
QQmlEngine::setObjectOwnership(w, QQmlEngine::JavaScriptOwnership);
return w;
}
} // namespace PluginAPI
} // namespace Ms
#endif
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