NotifyingPushButton.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_PUSH_BUTTON_H
17 #define SV_NOTIFYING_PUSH_BUTTON_H
18 
19 #include <QPushButton>
20 
27 class NotifyingPushButton : public QPushButton
28 {
29  Q_OBJECT
30 
31 public:
32  NotifyingPushButton(QWidget *parent = 0) :
33  QPushButton(parent) { }
34 
35  virtual ~NotifyingPushButton();
36 
37 signals:
38  void mouseEntered();
39  void mouseLeft();
40 
41 protected:
42  void enterEvent(QEvent *) override;
43  void leaveEvent(QEvent *) override;
44 };
45 
46 #endif
47 
Very trivial enhancement to QPushButton to make it emit signals when the mouse enters and leaves (for...
void leaveEvent(QEvent *) override
NotifyingPushButton(QWidget *parent=0)
void enterEvent(QEvent *) override