77 lines
2 KiB
C++
77 lines
2 KiB
C++
//=============================================================================
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// MusE Score
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// Linux Music Score Editor
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//
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// Copyright (C) 2009 Werner Schweer and others
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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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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//=============================================================================
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#ifndef __PIANO_H__
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#define __PIANO_H__
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namespace Ms {
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static const int pianoWidth = 40;
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static const int keyHeight = 13;
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enum class PianoOrientation : char {
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HORIZONTAL, VERTICAL
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};
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//---------------------------------------------------------
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// Piano
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//---------------------------------------------------------
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class Piano : public QWidget
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{
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Q_OBJECT
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PianoOrientation _orientation;
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double _ymag;
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int _ypos;
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int yRange;
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int curPitch;
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int curKeyPressed;
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static QPixmap* octave;
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static QPixmap* mk1;
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static QPixmap* mk2;
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static QPixmap* mk3;
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static QPixmap* mk4;
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virtual void paintEvent(QPaintEvent*);
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virtual void mousePressEvent(QMouseEvent*);
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virtual void mouseReleaseEvent(QMouseEvent*);
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virtual void mouseMoveEvent(QMouseEvent* event);
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virtual void leaveEvent(QEvent*);
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int pitch2y(int pitch) const;
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int y2pitch(int y) const;
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signals:
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void pitchChanged(int);
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void keyPressed(int pitch);
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void keyReleased(int pitch);
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public slots:
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void setYpos(int val);
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void setMag(double, double);
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void setPitch(int);
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public:
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Piano(QWidget* parent = 0);
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void setOrientation(PianoOrientation);
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};
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} // namespace Ms
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#endif
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