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