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