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diff --git a/examples/winextras/musicplayer/musicplayer.h b/examples/winextras/musicplayer/musicplayer.h
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-/****************************************************************************
-**
-** Copyright (C) 2015 The Qt Company Ltd.
-** Contact: http://www.qt.io/licensing/
-**
-** This file is part of the examples of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, 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 MUSICPLAYER_H
-#define MUSICPLAYER_H
-
-#include <QWidget>
-#include <QMediaPlayer>
-
-class VolumeButton;
-
-QT_FORWARD_DECLARE_CLASS(QLabel)
-QT_FORWARD_DECLARE_CLASS(QSlider)
-QT_FORWARD_DECLARE_CLASS(QAbstractButton)
-QT_FORWARD_DECLARE_CLASS(QWinTaskbarButton)
-QT_FORWARD_DECLARE_CLASS(QWinTaskbarProgress)
-QT_FORWARD_DECLARE_CLASS(QWinThumbnailToolBar)
-QT_FORWARD_DECLARE_CLASS(QWinThumbnailToolButton)
-
-class MusicPlayer : public QWidget
-{
- Q_OBJECT
-public:
- explicit MusicPlayer(QWidget *parent = nullptr);
-
- static QStringList supportedMimeTypes();
- static QStringList supportedSuffixes();
-
-public slots:
- void openFile();
- void playUrl(const QUrl& url);
- void togglePlayback();
- void seekForward();
- void seekBackward();
-
-protected:
- void showEvent(QShowEvent *event) override;
- void dragEnterEvent(QDragEnterEvent *event) override;
- void dropEvent(QDropEvent *event) override;
- void mousePressEvent(QMouseEvent *event) override;
- void mouseMoveEvent(QMouseEvent *event) override;
- void mouseReleaseEvent(QMouseEvent *event) override;
-
-private slots:
- void updateState(QMediaPlayer::State state);
- void updatePosition(qint64 position);
- void updateDuration(qint64 duration);
- void setPosition(int position);
- void updateInfo();
- void handleError();
-
- void updateTaskbar();
- void updateThumbnailToolBar();
-
-private:
- void createWidgets();
- void createShortcuts();
- void createJumpList();
- void createTaskbar();
- void createThumbnailToolBar();
-
- QWinTaskbarButton *taskbarButton = nullptr;
- QWinTaskbarProgress *taskbarProgress = nullptr;
- QWinThumbnailToolBar *thumbnailToolBar = nullptr;
- QWinThumbnailToolButton *playToolButton = nullptr;
- QWinThumbnailToolButton *forwardToolButton = nullptr;
- QWinThumbnailToolButton *backwardToolButton = nullptr;
-
- QMediaPlayer mediaPlayer;
- QAbstractButton *playButton = nullptr;
- VolumeButton *volumeButton = nullptr;
- QSlider *positionSlider = nullptr;
- QLabel *positionLabel = nullptr;
- QLabel *infoLabel = nullptr;
- QPoint offset;
- QString fileName;
-};
-
-#endif // MUSICPLAYER_H