//========================================================= // MusE // Linux Music Editor // $Id: piano.h,v 1.2 2004/05/31 11:48:55 lunar_shuttle Exp $ // (C) Copyright 1999 Werner Schweer (ws@seh.de) // // 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; version 2 of // the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // //========================================================= #ifndef __PIANO_H__ #define __PIANO_H__ #include "view.h" class QEvent; class QMouseEvent; class QPainter; class QPixmap; #define KH 13 //--------------------------------------------------------- // Piano //--------------------------------------------------------- class Piano : public MusEWidget::View { Q_OBJECT int curPitch; QPixmap* octave; QPixmap* c_keys[10]; QPixmap* mk1; QPixmap* mk2; QPixmap* mk3; QPixmap* mk4; int keyDown; bool shift; int button; int y2pitch(int) const; int pitch2y(int) const; void viewMouseMoveEvent(QMouseEvent* event); virtual void leaveEvent(QEvent*e); virtual void viewMousePressEvent(QMouseEvent* event); virtual void viewMouseReleaseEvent(QMouseEvent*); protected: virtual void draw(QPainter&, const QRect&); signals: void pitchChanged(int); void keyPressed(int, int, bool); void keyReleased(int, bool); public slots: void setPitch(int); public: Piano(QWidget*, int); }; #endif