Mercurial > hg > svgui
view widgets/NotifyingPushButton.h @ 1363:bbeffb29bf09
Fix inconsistency between centre frame actually set and centre frame notified as set, which caused the start frame location to creep out of place gradually as you page through
author | Chris Cannam |
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date | Tue, 30 Oct 2018 14:00:20 +0000 |
parents | 7609580fb05a |
children | a18e78b9c78b |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2007 QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef SV_NOTIFYING_PUSH_BUTTON_H #define SV_NOTIFYING_PUSH_BUTTON_H #include <QPushButton> /** * Very trivial enhancement to QPushButton to make it emit signals * when the mouse enters and leaves (for context help). See also * NotifyingToolButton */ class NotifyingPushButton : public QPushButton { Q_OBJECT public: NotifyingPushButton(QWidget *parent = 0) : QPushButton(parent) { } virtual ~NotifyingPushButton(); signals: void mouseEntered(); void mouseLeft(); protected: virtual void enterEvent(QEvent *); virtual void leaveEvent(QEvent *); }; #endif