93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2009-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#ifndef __PIANOVIEW_H__
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#define __PIANOVIEW_H__
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#include "libmscore/pos.h"
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namespace Ms {
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class Staff;
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class Chord;
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class Note;
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class NoteEvent;
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enum { PianoItemType = QGraphicsItem::UserType + 1 };
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//---------------------------------------------------------
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// PianoItem
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//---------------------------------------------------------
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class PianoItem : public QGraphicsRectItem {
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Note* _note;
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NoteEvent* event;
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virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0);
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public:
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PianoItem(Note*, NoteEvent*);
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virtual ~PianoItem() {}
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virtual int type() const { return PianoItemType; }
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Note* note() { return _note; }
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};
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//---------------------------------------------------------
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// PianoView
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//---------------------------------------------------------
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class PianoView : public QGraphicsView {
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Q_OBJECT
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Staff* staff;
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Chord* chord;
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Pos pos;
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Pos* _locator;
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QGraphicsLineItem* locatorLines[3];
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int ticks;
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TType _timeType;
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int magStep;
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virtual void drawBackground(QPainter* painter, const QRectF& rect);
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int y2pitch(int y) const;
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Pos pix2pos(int x) const;
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int pos2pix(const Pos& p) const;
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void createLocators();
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void addChord(Chord* chord);
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protected:
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virtual void wheelEvent(QWheelEvent* event);
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virtual void mouseMoveEvent(QMouseEvent* event);
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virtual void leaveEvent(QEvent*);
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signals:
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void magChanged(double, double);
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void xposChanged(int);
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void pitchChanged(int);
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void posChanged(const Pos&);
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public slots:
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void moveLocator(int);
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void updateNotes();
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public:
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PianoView();
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void setStaff(Staff*, Pos* locator);
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void ensureVisible(int tick);
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QList<QGraphicsItem*> items() { return scene()->selectedItems(); }
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};
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} // namespace Ms
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#endif
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