68 lines
2.4 KiB
C++
68 lines
2.4 KiB
C++
//=============================================================================
|
|
// MuseScore
|
|
// Music Composition & Notation
|
|
//
|
|
// Copyright (C) 2002-2011 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 __TEMPOTEXT_H__
|
|
#define __TEMPOTEXT_H__
|
|
|
|
#include "durationtype.h"
|
|
#include "text.h"
|
|
|
|
namespace Ms {
|
|
|
|
//-------------------------------------------------------------------
|
|
// @@ TempoText
|
|
/// Tempo marker which determines the midi tempo.
|
|
//
|
|
// @P tempo qreal tempo in beats per second (beat=1/4)
|
|
// @P followText bool determine tempo from text
|
|
//-------------------------------------------------------------------
|
|
|
|
class TempoText : public Text {
|
|
Q_OBJECT
|
|
Q_PROPERTY(qreal tempo READ tempo WRITE undoSetTempo)
|
|
Q_PROPERTY(bool followText READ followText WRITE undoSetFollowText)
|
|
|
|
qreal _tempo; // beats per second
|
|
bool _followText; // parse text to determine tempo
|
|
|
|
public:
|
|
TempoText(Score*);
|
|
virtual TempoText* clone() const override { return new TempoText(*this); }
|
|
virtual ElementType type() const override { return ElementType::TEMPO_TEXT; }
|
|
virtual void write(Xml& xml) const override;
|
|
virtual void read(XmlReader&) override;
|
|
Segment* segment() const { return (Segment*)parent(); }
|
|
Measure* measure() const { return (Measure*)parent()->parent(); }
|
|
|
|
qreal tempo() const { return _tempo; }
|
|
void setTempo(qreal v) { _tempo = v; }
|
|
void undoSetTempo(qreal v);
|
|
|
|
bool followText() const { return _followText; }
|
|
void setFollowText(bool v) { _followText = v; }
|
|
void undoSetFollowText(bool v);
|
|
|
|
virtual void textChanged() override;
|
|
virtual void layout();
|
|
|
|
static int findTempoDuration(const QString& s, int& len, TDuration& dur);
|
|
static QString duration2tempoTextString(const TDuration dur);
|
|
|
|
QVariant getProperty(P_ID propertyId) const override;
|
|
bool setProperty(P_ID propertyId, const QVariant&) override;
|
|
QVariant propertyDefault(P_ID id) const override;
|
|
};
|
|
|
|
|
|
|
|
} // namespace Ms
|
|
#endif
|