1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
2 
3 /*
4     Sonic Visualiser
5     An audio file viewer and annotation editor.
6     Centre for Digital Music, Queen Mary, University of London.
7     This file copyright 2007 QMUL.
8 
9     This program is free software; you can redistribute it and/or
10     modify it under the terms of the GNU General Public License as
11     published by the Free Software Foundation; either version 2 of the
12     License, or (at your option) any later version.  See the file
13     COPYING included with this distribution for more information.
14 */
15 
16 #ifndef SV_NOTIFYING_CHECK_BOX_H
17 #define SV_NOTIFYING_CHECK_BOX_H
18 
19 #include <QCheckBox>
20 
21 /**
22  * Very trivial enhancement to QCheckBox to make it emit signals when
23  * the mouse enters and leaves (for context help).
24  */
25 
26 class NotifyingCheckBox : public QCheckBox
27 {
28     Q_OBJECT
29 public:
30 
31     NotifyingCheckBox(QWidget *parent = 0) :
QCheckBox(parent)32         QCheckBox(parent) { }
33 
34     virtual ~NotifyingCheckBox();
35 
36 signals:
37     void mouseEntered();
38     void mouseLeft();
39 
40 protected:
41     void enterEvent(QEvent *) override;
42     void leaveEvent(QEvent *) override;
43 };
44 
45 #endif
46 
47