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 TRANSPARENTFRAME_H
26 #define TRANSPARENTFRAME_H
27 
28 #include <QFrame>
29 class QGraphicsOpacityEffect;
30 class QPropertyAnimation;
31 
32 class TransparentFrame : public QFrame
33 {
34     Q_OBJECT
35 
36 public:
37     explicit TransparentFrame(QWidget *parent = nullptr);
38     ~TransparentFrame();
39 
40 protected:
41     void enterEvent(QEvent * event);
42     void leaveEvent(QEvent * event);
43 
44 private:
45     QGraphicsOpacityEffect * _opacity;
46     QPropertyAnimation * _animation;
47 };
48 
49 #endif // TRANSPARENTFRAME_H
50