NotifyingComboBox.h
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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_COMBO_BOX_H
17 #define SV_NOTIFYING_COMBO_BOX_H
18 
19 #include <QComboBox>
20 
26 class NotifyingComboBox : public QComboBox
27 {
28  Q_OBJECT
29 
30 public:
31  NotifyingComboBox(QWidget *parent = 0) :
32  QComboBox(parent) { }
33 
34  virtual ~NotifyingComboBox();
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 
Very trivial enhancement to QComboBox to make it emit signals when the mouse enters and leaves (for c...
void enterEvent(QEvent *) override
NotifyingComboBox(QWidget *parent=0)
void leaveEvent(QEvent *) override