/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef PLAYERCONTROLS_H #define PLAYERCONTROLS_H #include #include QT_BEGIN_NAMESPACE class QAbstractButton; class QAbstractSlider; class QComboBox; QT_END_NAMESPACE class PlayerControls : public QWidget { Q_OBJECT public: explicit PlayerControls(QWidget *parent = nullptr); QMediaPlayer::State state() const; int volume() const; bool isMuted() const; qreal playbackRate() const; public slots: void setState(QMediaPlayer::State state); void setVolume(int volume); void setMuted(bool muted); void setPlaybackRate(float rate); signals: void play(); void pause(); void stop(); void next(); void previous(); void changeVolume(int volume); void changeMuting(bool muting); void changeRate(qreal rate); private slots: void playClicked(); void muteClicked(); void updateRate(); void onVolumeSliderValueChanged(); private: QMediaPlayer::State m_playerState = QMediaPlayer::StoppedState; bool m_playerMuted = false; QAbstractButton *m_playButton = nullptr; QAbstractButton *m_stopButton = nullptr; QAbstractButton *m_nextButton = nullptr; QAbstractButton *m_previousButton = nullptr; QAbstractButton *m_muteButton = nullptr; QAbstractSlider *m_volumeSlider = nullptr; QComboBox *m_rateBox = nullptr; }; #endif // PLAYERCONTROLS_H