/*************************************************************************** * Copyright (C) 2019 by Savoir-faire Linux * * Author: Andreas Traczyk * * * * 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 3 of the License, or * * (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program. If not, see . * **************************************************************************/ #pragma once #include #include class LevelMeter : public QProgressBar { Q_OBJECT; public: explicit LevelMeter(QWidget *parent = 0); ~LevelMeter(); public: void start(); void stop(); void setLevel(float rmsLevel); private slots: void redrawTimerExpired(); private: void animateLevel(); float rmsLevel_; float currentLevel_; QTimer* redrawTimer_; };