1 /*************************************************************************** 2 ** ** 3 ** Polyphone, a soundfont editor ** 4 ** Copyright (C) 2013-2020 Davy Triponney ** 5 ** ** 6 ** This program is free software: you can redistribute it and/or modify ** 7 ** it under the terms of the GNU General Public License as published by ** 8 ** the Free Software Foundation, either version 3 of the License, or ** 9 ** (at your option) any later version. ** 10 ** ** 11 ** This program is distributed in the hope that it will be useful, ** 12 ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** 13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** 14 ** GNU General Public License for more details. ** 15 ** ** 16 ** You should have received a copy of the GNU General Public License ** 17 ** along with this program. If not, see http://www.gnu.org/licenses/. ** 18 ** ** 19 **************************************************************************** 20 ** Author: Davy Triponney ** 21 ** Website/Contact: https://www.polyphone-soundfonts.com ** 22 ** Date: 01.01.2013 ** 23 ***************************************************************************/ 24 25 #ifndef GRAPHICSKEY_H 26 #define GRAPHICSKEY_H 27 28 #include <QGraphicsItem> 29 #include <QBrush> 30 #include <QPen> 31 32 /// Graphical element used to display the notes that are being played 33 /// with a circle that is fading in 1 second approximately 34 class GraphicsKey : public QObject, public QGraphicsItem 35 { 36 Q_OBJECT 37 Q_INTERFACES(QGraphicsItem) 38 39 public: 40 GraphicsKey(QGraphicsItem *parent = nullptr); 41 42 QRectF boundingRect() const; 43 void paint(QPainter *painter, const QStyleOptionGraphicsItem * option, QWidget * widget = nullptr); 44 45 private slots: 46 void updateColor(); 47 48 private: 49 static const int s_radius; 50 51 QColor _colorBrush; 52 QColor _colorPen; 53 }; 54 55 #endif // GRAPHICSKEY_H 56