Exemplo n.º 1
0
class MyWidget(QMainWindow):
    def __init__(self):
        super().__init__()
        #  !Костыль
        #  Запрещаю менять размер окна, т.к. не хочу работать с layout`ами
        self.setFixedSize(656, 532)
        self.setWindowIcon(QIcon('icons/icon.ico'))

        #  Добавляем эквалайзер громкости
        self.equalizer = QVolumeEq((255, 255, 102), (255, 26, 10), bg_color=(0, 0, 0, 20))
        self.equalizer.setParent(self)
        self.equalizer.move(20, 391)
        self.equalizer.resize(341, 31)

        uic.loadUi('icons/djap.ui', self)

        self.lightThemeAction.triggered.connect(self.change_theme)
        self.darkThemeAction.triggered.connect(self.change_theme)

        #  Создаём организатор плейлистов
        self.playlist_handler = QPlaylistHandler()
        self.playlist_handler.setParent(self)
        self.playlist_handler.move(380, 40)

        #  Настраиваем меню
        self.saveOption.triggered.connect(self.playlist_handler.save_playlist)
        self.saveAsOption.triggered.connect(self.playlist_handler.save_playlist_as)
        self.deleteOption.triggered.connect(self.playlist_handler.delete_playlist)
        self.aboutOption.triggered.connect(self.about)
        self.helpOption.triggered.connect(self.help)
        self.repeatModeOption.triggered.connect(self.playlist_handler.change_playmode)
        self.oneModeOption.triggered.connect(self.playlist_handler.change_playmode)
        self.randomModeOption.triggered.connect(self.playlist_handler.change_playmode)

        #  Реализация проигрывателя и основного плейлиста
        self.player = QMediaPlayer()
        self.player.durationChanged.connect(self.update_song)
        self.player.setVolume(25)
        self.player.positionChanged.connect(self.update_timeline_position)
        self.queue = QMediaPlaylist(self.player)
        self.player.setPlaylist(self.queue)

        self.queue.setPlaybackMode(QMediaPlaylist.Loop)
        self.is_looped_queue = True

        #  Загрузка музыки из плейлиста
        self.load_songs_from_playlist()

        #  Подключаем кнопки к их функциям
        self.is_playing = False
        self.playBtn.clicked.connect(self.play_or_pause)
        self.queue.currentMediaChanged.connect(self.check_to_stop)

        self.nextBtn.clicked.connect(self.next_audio)
        self.prevBtn.clicked.connect(self.prev_audio)

        self.is_looped_current_track = False
        self.loopBtn.clicked.connect(self.loop_or_unloop_current_track)

        #  Настройка слайдера звука
        self.volumeSlider.hide()
        self.volumeSlider.setValue(25)
        self.equalizer.setValue(25)
        self.volumeSlider.sliderReleased.connect(self.volumeSlider.hide)
        self.volumeSlider.valueChanged.connect(self.change_volume)
        self.volumeBtn.clicked.connect(self.change_volume)

        #  Настройка таймлайна
        self.is_timeline_dragged = False
        self.timeline.sliderReleased.connect(self.timeline_changed)
        self.timeline.sliderPressed.connect(self.timeline_is_dragged)

        #  !Костыль
        #  Имитируем запуск аудиодорожки, чтобы подгрузить данные
        self.play_or_pause()
        self.play_or_pause()
        self.icon_changed()

    def palette(self):
        """Функция для создания темы"""
        con = sqlite3.connect('user_data.sqlite')
        cur = con.cursor()
        if int(cur.execute('SELECT * FROM theme').fetchone()[0]):
            palette = QPalette()
            palette.setColor(QPalette.Window, QColor(240, 240, 240))
            palette.setColor(QPalette.WindowText, Qt.black)
            palette.setColor(QPalette.Base, Qt.white)
            palette.setColor(QPalette.AlternateBase, QColor(246, 246, 246))
            palette.setColor(QPalette.ToolTipBase, QColor(255, 255, 240))
            palette.setColor(QPalette.ToolTipText, Qt.black)
            palette.setColor(QPalette.Text, Qt.black)
            palette.setColor(QPalette.Button, QColor(240, 240, 240))
            palette.setColor(QPalette.ButtonText, Qt.black)
            palette.setColor(QPalette.BrightText, Qt.white)
            palette.setColor(QPalette.Highlight, QColor(0, 120, 215).lighter())
            palette.setColor(QPalette.HighlightedText, Qt.white)
        else:
            palette = QPalette()
            palette.setColor(QPalette.Window, QColor(53, 53, 53))
            palette.setColor(QPalette.WindowText, Qt.white)
            palette.setColor(QPalette.Base, QColor(15, 15, 15))
            palette.setColor(QPalette.AlternateBase, QColor(53, 53, 53))
            palette.setColor(QPalette.ToolTipBase, Qt.white)
            palette.setColor(QPalette.ToolTipText, Qt.white)
            palette.setColor(QPalette.Text, Qt.white)
            palette.setColor(QPalette.Button, QColor(53, 53, 53))
            palette.setColor(QPalette.ButtonText, Qt.white)
            palette.setColor(QPalette.BrightText, Qt.red)
            palette.setColor(QPalette.Highlight, QColor(142, 45, 197).lighter())
            palette.setColor(QPalette.HighlightedText, Qt.black)
        return palette

    def change_theme(self):
        """Функция для смены темы"""
        con = sqlite3.connect('user_data.sqlite')
        cur = con.cursor()
        if self.sender() == self.lightThemeAction:
            cur.execute('UPDATE theme SET isit = 1')
        else:
            cur.execute('UPDATE theme SET isit = 0')
        con.commit()

        QMessageBox.warning(self, 'DJust Audio Player', 'Чтобы изменения вступили в силу, '
                                                        'перезапустите приложение.', QMessageBox.Ok)

    def help(self):
        """Функция для показа формы справки"""
        self.help = QHelp()

    def about(self):
        """Функция для показа формы О программе"""
        self.about = QAbout()

    def delete_song_from_mediaplayer(self, index):
        """Удалить трек из медиаплеера"""
        self.queue.removeMedia(index)

    def add_song_to_mediaplayer(self, url):
        """Добавить трек в медиаплеер"""
        self.queue.addMedia(QMediaContent(QUrl(url)))

    def change_track_by_click(self, row):
        """Функция для смены трека по нажатию в списке"""
        self.queue.setCurrentIndex(row)

    def check_to_stop(self):
        """Проверяем, чтобы плеер не играл с пустым плейлистом"""
        if self.queue.isEmpty() and self.is_playing:
            self.play_or_pause()

    def load_songs_from_playlist(self):
        """Загрузка музыки из БД в плейлист"""
        self.queue.clear()
        for url in self.playlist_handler.urls():
            self.queue.addMedia(QMediaContent(QUrl(url)))

    def icon_changed(self):
        """Функция для вывода обложки трека"""

        def noicon():
            """В случае отсутствия обложки эта функция ставить свою заглушку"""
            try:
                pixmap = QPixmap()
                if pixmap.load('icons/noicon.png'):
                    self.audioPic.setPixmap(pixmap)
            except Exception as e:
                print(e.__class__.__name__, ': ', e, sep='')

        try:
            #  Читаем метаданные трека
            n = self.queue.currentIndex()
            url = self.playlist_handler.urls()[n if n > -1 else 0]
            file = File(url)
            for i in file.tags.keys():
                if 'APIC:' in i:
                    artwork = file.tags[i].data
                    break
            else:
                raise KeyError
            #  Переводим их в байтовый массив
            ba = QByteArray(artwork)
            #  И загружаем на форму, если это возможно
            pixmap = QPixmap()
            if pixmap.loadFromData(ba):
                self.audioPic.setPixmap(pixmap.scaled(341, 341, Qt.IgnoreAspectRatio))
            else:
                raise KeyError
        except Exception as e:
            #  print(e.__class__.__name__, ': ', e, sep='')
            noicon()

    def timeline_is_dragged(self):
        """Мини-функция для изменения переменной"""
        #  При вызове этой функции мы понимаем, что пользователь
        #  взаимодействует с таймлайном трека
        self.is_timeline_dragged = True

    def timeline_changed(self):
        """Функция для пользовательской перемотки данного трека"""
        #  Перематываем позицию плеера
        self.player.setPosition(self.timeline.value() * 1000)

        #  Пользователь отпустил язычок слайдера и больше не взаимодействует с таймлайном
        self.is_timeline_dragged = False

        #  Вызываем обновление временной шкалы, т.к. произошла перемотка
        self.update_timeline_position()

    def update_song(self):
        """Изменение данных о треке"""
        #  !Костыль
        #  Проматываем несколько миллисекунд, чтобы избежать повреждённых треков
        self.player.setPosition(10)

        #  Меняем обложку
        self.icon_changed()

        #  Выделяем в списке новый трек
        self.playlist_handler.set_current_select(self.queue.currentIndex())

        #  Меняем название окна в соответствии с играющим треком
        title = self.queue.currentMedia().canonicalUrl().path().split('/')[-1]
        if title:
            self.setWindowTitle('DJust Audio Player | %s' % title)
        else:
            self.setWindowTitle('DJust Audio Player')

        #  Изменяем длину таймлайна на длину трека
        self.timeline.setMaximum(self.player.duration() // 1000)

        #  Выводим длину трека в минутах/секундах на экран
        minutes, seconds = self.player.duration() // 1000 // 60, self.player.duration() // 1000 % 60
        self.endTimeLabel.setText(str(minutes) + ':{:02d}'.format(seconds))

    def update_timeline_position(self):
        """Функция для обновления временной шкалы"""
        #  Выводим текущее положение плеера в минутах/секундах
        minutes, seconds = self.player.position() // 1000 // 60, self.player.position() // 1000 % 60
        self.currentTimeLabel.setText(str(minutes) + ':{:02d}'.format(seconds))

        #  Чтобы не "вырывать" язычок слайдера из рук пользователя,
        #  проверяем, что пользователь НЕ взаимодейтсвует с таймлайном.
        if not self.is_timeline_dragged:
            self.timeline.setValue(minutes * 60 + seconds)

    def loop_or_unloop_current_track(self):
        """Мини-функция для зацикливания данного трека"""
        if not self.is_looped_current_track:
            #  Зацикливаем
            self.is_looped_current_track = True
            self.queue.setPlaybackMode(QMediaPlaylist.CurrentItemInLoop)
            #  Меняем картинку на перечёркнутый круг
            self.loopBtn.setStyleSheet('background-image: url(icons/unloop.png)')
        else:
            #  убираем цикл
            self.is_looped_current_track = False
            self.queue.setPlaybackMode(self.playlist_handler.mode)
            self.loopBtn.setStyleSheet('background-image: url(icons/loop.png)')

    def next_audio(self):
        """Функция для перемотки на следующий в списке трек"""
        if self.queue.mediaCount() - 1 == self.queue.currentIndex():
            #  Если трек ппоследний в списке, возвращаемся к первому
            self.queue.setCurrentIndex(0)
        else:
            #  Иначе просто перемещаемся к следующему
            self.queue.next()

    def prev_audio(self):
        """Функция для перемотки на предыдущий в списке трек"""
        if 0 == self.queue.currentIndex():
            #  Если трек первый в списке, возвращаемся к последнему
            self.queue.setCurrentIndex(self.queue.mediaCount() - 1)
        else:
            #  Иначе просто возвращаемся к предыдущему
            self.queue.previous()

    def play_or_pause(self):
        """Функция для запуска или остановки проигрывателя"""
        if self.queue.isEmpty():
            #  Меняем картинку на стрелочку (проигрывание)
            self.is_playing = False
            self.playBtn.setStyleSheet('background-image: url(icons/play.png)')
            #  Ставим на паузу
            self.player.pause()
            return
        if self.is_playing:
            #  Меняем картинку на стрелочку (проигрывание)
            self.is_playing = False
            self.playBtn.setStyleSheet('background-image: url(icons/play.png)')
            #  Ставим на паузу
            self.player.pause()
        else:
            #  Меняем картинку на 2 палочки (пауза)
            self.is_playing = True
            self.playBtn.setStyleSheet('background-image: url(icons/pause.png)')
            #  Запускаем звук
            self.player.play()

    def change_volume(self):
        """Мини-Функция для передачи уровня громкости в плеер"""
        #  Функцию использует несколько объектов сразу, проверяем вызывателя
        if self.sender() == self.volumeBtn:
            #  Если функцию вызвала кнопка, то включаем/выключаем отображение слайдера
            if not self.volumeSlider.isHidden():
                self.volumeSlider.hide()
            else:
                self.volumeSlider.show()
        else:
            #  Иначе функцию вызвал сам слайдер. Значит, меняем значение
            self.player.setVolume(self.volumeSlider.value())
            self.equalizer.setValue(self.volumeSlider.value())
Exemplo n.º 2
0
class MainWindow(QWidget):

    def __init__(self, parent=None):
        super(MainWindow, self).__init__(parent)

        self.playlistView = QListView()
        self.switch_status = 2
        self.video_widget = QVideoWidget()
        self.playlist = QMediaPlaylist()
        self.model = PlaylistModel(self.playlist)
        self.titleBar = TitleBar(self)
        self.currentTimeLabel = QLabel()
        self.timeSlider = QSlider()
        self.totalTimeLabel = QLabel()
        self.mediaPlayer = QMediaPlayer()
        self.open_btn = QPushButton('Open File')
        self.play_btn = QPushButton()
        self.prev_btn = QPushButton()
        self.stop_btn = QPushButton()
        self.next_btn = QPushButton()
        self.switch_media_widgets_btn = QPushButton()
        self.pseudo_label = QLabel()

        self.vol_label = QLabel()
        self.volume_slider = Slider(Qt.Horizontal)
        self.gui()
        self.set_children_focus_policy(Qt.NoFocus)

    def gui(self):
        self.currentTimeLabel.setMinimumSize(QSize(80, 0))
        self.currentTimeLabel.setAlignment(Qt.AlignRight | Qt.AlignTrailing | Qt.AlignVCenter)

        self.timeSlider.setOrientation(Qt.Horizontal)
        self.totalTimeLabel.setMinimumSize(QSize(80, 0))
        self.totalTimeLabel.setAlignment(Qt.AlignLeading | Qt.AlignLeft | Qt.AlignVCenter)

        self.playlistView.setAcceptDrops(True)
        self.playlistView.setProperty("showDropIndicator", True)
        self.playlistView.setDragDropMode(QAbstractItemView.DropOnly)
        self.playlistView.setAlternatingRowColors(True)
        self.playlistView.setUniformItemSizes(True)

        self.setWindowFlags(Qt.FramelessWindowHint)
        self.setWindowTitle('Media Player')
        self.titleBar.label.setText('Media Player')
        self.setWindowIcon(QIcon('icon_png/media_player.png'))

        self.setGeometry(600, 200, 850, 600)
        self.timeSlider.setRange(0, 0)
        self.play_btn.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
        self.prev_btn.setIcon(self.style().standardIcon(QStyle.SP_MediaSkipBackward))
        self.next_btn.setIcon(self.style().standardIcon(QStyle.SP_MediaSkipForward))
        self.stop_btn.setIcon(self.style().standardIcon(QStyle.SP_MediaStop))
        self.switch_media_widgets_btn.setIcon(self.style().standardIcon(QStyle.SP_FileDialogDetailedView))
        self.vol_label.setText("")
        self.vol_label.setPixmap(QPixmap("icon_png/speaker-volume.png"))
        self.currentTimeLabel.setText("00:00")
        self.totalTimeLabel.setText("00:00")
        self.volume_slider.setValue(self.mediaPlayer.volume())
        self.mediaPlayer.setVideoOutput(self.video_widget)
        self.mediaPlayer.setPlaylist(self.playlist)
        self.playlistView.setModel(self.model)
        self.video_widget.hide()

        sizegrip = QSizeGrip(self)

        self.setAcceptDrops(True)

        inner_h_box = QHBoxLayout()
        inner_h_box.addWidget(self.prev_btn)
        inner_h_box.addWidget(self.stop_btn)
        inner_h_box.addWidget(self.next_btn)

        vol_h_box = QHBoxLayout()
        vol_h_box.addWidget(self.vol_label, 0)
        vol_h_box.addWidget(self.volume_slider, 1)

        h_box = QHBoxLayout()
        h_box.addWidget(self.open_btn)
        h_box.addWidget(self.play_btn, 0)
        h_box.addLayout(inner_h_box, 0)
        h_box.addWidget(self.switch_media_widgets_btn, 0)
        h_box.addWidget(self.pseudo_label, 1)
        h_box.addLayout(vol_h_box, 0)
        h_box.addWidget(sizegrip, 0, Qt.AlignBottom | Qt.AlignRight)

        video_slider_h_box = QHBoxLayout()
        video_slider_h_box.addWidget(self.currentTimeLabel)
        video_slider_h_box.addWidget(self.timeSlider)
        video_slider_h_box.addWidget(self.totalTimeLabel)

        v_box = QVBoxLayout()
        v_box.addWidget(self.titleBar, 0)
        v_box.addWidget(self.video_widget, 1)
        v_box.addWidget(self.playlistView, 1)
        v_box.addLayout(video_slider_h_box, 0)
        v_box.addLayout(h_box, 0)

        inner_h_box.setContentsMargins(20, 0, 10, 0)
        vol_h_box.setContentsMargins(0, 0, 20, 0)
        h_box.setContentsMargins(20, 0, 0, 0)
        v_box.setContentsMargins(0, 0, 0, 0)
        video_slider_h_box.setSpacing(10)
        h_box.setSpacing(0)
        v_box.setSpacing(0)

        self.setLayout(v_box)
        self.enabler()

        # connections
        self.open_btn.clicked.connect(self.open_file)
        self.play_btn.clicked.connect(self.play_media)
        self.stop_btn.clicked.connect(self.stop_media)

        self.prev_btn.pressed.connect(self.play_prev)
        self.next_btn.pressed.connect(self.play_next)
        self.switch_media_widgets_btn.pressed.connect(self.switch_media)

        self.playlist.currentIndexChanged.connect(self.playlist_position_changed)
        selection_model = self.playlistView.selectionModel()
        selection_model.selectionChanged.connect(self.playlist_selection_changed)

        self.mediaPlayer.durationChanged.connect(self.update_duration)
        self.mediaPlayer.positionChanged.connect(self.update_position)
        self.timeSlider.valueChanged.connect(self.mediaPlayer.setPosition)

        self.mediaPlayer.stateChanged.connect(self.media_state)

        self.mediaPlayer.volumeChanged.connect(self.volume_changed)
        self.volume_slider.valueChanged.connect(self.set_volume)

    def set_children_focus_policy(self, policy):
        def recursive_set_child_focus_policy(parent_q_widget):
            for childQWidget in parent_q_widget.findChildren(QWidget):
                childQWidget.setFocusPolicy(policy)
                recursive_set_child_focus_policy(childQWidget)

        recursive_set_child_focus_policy(self)

    def enabler(self, state=False):
        if state is False:
            self.play_btn.setEnabled(False)
            self.prev_btn.setEnabled(False)
            self.stop_btn.setEnabled(False)
            self.next_btn.setEnabled(False)
        else:
            self.play_btn.setEnabled(True)
            self.stop_btn.setEnabled(True)
            self.prev_btn.setEnabled(True)
            self.next_btn.setEnabled(True)

    def switch_media(self):
        if self.switch_status == 0:
            self.video_widget.hide()
            self.playlistView.show()
            self.switch_status = 1
            self.switch_media_widgets_btn.setEnabled(True)
        elif self.switch_status == 1:
            self.video_widget.show()
            self.playlistView.hide()
            self.switch_status = 0
            self.switch_media_widgets_btn.setEnabled(True)
        else:
            self.video_widget.hide()
            self.playlistView.show()
            self.switch_media_widgets_btn.setEnabled(False)

    def play_media(self):
        if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
            self.mediaPlayer.pause()
        else:
            self.mediaPlayer.play()
        self.ui_handler()

    def ui_handler(self):
        if not self.playlist.isEmpty():
            self.enabler(True)
        file_path = QFileInfo(self.mediaPlayer.currentMedia().canonicalUrl().toString()).fileName()
        ext = os.path.splitext(file_path)[-1].lower()
        audio_ext = ['.flac', '.mp3']
        video_ext = ['.mp4', '.m4a', '.mov', '.flv', 'avi', '3gp', '.mkv', '.wmv']

        if ext in audio_ext:
            self.switch_status = 2
            self.switch_media()
            if self.isFullScreen():
                self.fullscreen()
        elif ext in video_ext:
            self.switch_status = 1
            self.switch_media()
        self.setWindowTitle(file_path + ' - Media Player')
        self.titleBar.label.setText(file_path + ' - Media Player')

    def stop_media(self):
        if self.mediaPlayer.state() != QMediaPlayer.StoppedState:
            self.mediaPlayer.stop()
            self.setWindowTitle('Media Player')
            self.titleBar.label.setText('Media Player')

    def fullscreen(self):
        if self.switch_status == 2 or self.isFullScreen():
            self.titleBar.show()
            self.timeSlider.show()
            self.currentTimeLabel.show()
            self.totalTimeLabel.show()
            self.volume_slider.show()
            self.open_btn.show()
            self.play_btn.show()
            self.prev_btn.show()
            self.stop_btn.show()
            self.next_btn.show()
            self.switch_media_widgets_btn.show()
            self.pseudo_label.show()
            self.vol_label.show()
            self.showNormal()
        else:
            self.titleBar.hide()
            self.timeSlider.hide()
            self.currentTimeLabel.hide()
            self.totalTimeLabel.hide()
            self.volume_slider.hide()
            self.open_btn.hide()
            self.play_btn.hide()
            self.prev_btn.hide()
            self.stop_btn.hide()
            self.next_btn.hide()
            self.switch_media_widgets_btn.hide()
            self.pseudo_label.hide()
            self.vol_label.hide()
            self.showFullScreen()

    def mouseDoubleClickEvent(self, event: QMouseEvent):
        event.accept()
        if event.button() == Qt.LeftButton:
            self.fullscreen()

    def media_state(self):

        os_sleep = WindowsInhibitor()
        if self.mediaPlayer.state() == QMediaPlayer.PlayingState:
            self.play_btn.setIcon(self.style().standardIcon(QStyle.SP_MediaPause))
            if os.name == 'nt':
                os_sleep = WindowsInhibitor()
                os_sleep.inhibit()
        else:
            self.play_btn.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
            if os_sleep:
                os_sleep.uninhibit()

    def play_next(self):
        self.playlist.next()

    def media_seek(self, seek):
        if not self.playlist.isEmpty():
            player = self.mediaPlayer
            if (player.duration() - seek) > player.position():
                player.setPosition(player.position() + seek)

    def play_prev(self):
        self.playlist.previous()

    def dragEnterEvent(self, e):
        if e.mimeData().hasUrls():
            e.acceptProposedAction()

    def dropEvent(self, e):
        for url in e.mimeData().urls():
            ext = os.path.splitext(url.fileName())[-1].lower()
            allowed_ext = ['.flac', '.mp3', '.mp4', '.m4a', '.mov', '.flv', 'avi', '3gp', '.mkv', '.wmv']
            if ext in allowed_ext:
                self.playlist.addMedia(
                    QMediaContent(url)
                )

        self.model.layoutChanged.emit()

        if self.mediaPlayer.state() != QMediaPlayer.PlayingState:
            i = self.playlist.mediaCount() - len(e.mimeData().urls())
            self.playlist.setCurrentIndex(i)
            if not self.playlist.isEmpty():
                self.play_media()

    def open_file(self):
        filter_files = "Media (*.mp3 *.mp4 *.mkv);; Videos files (*.mp4 *.mkv);; Music Files(*.mp3)"
        paths, _ = QFileDialog.getOpenFileNames(self, "Open file", "", filter_files)

        if paths:
            self.mediaPlayer.pause()
            for path in paths:
                self.playlist.addMedia(
                    QMediaContent(
                        QUrl.fromLocalFile(path)
                    )
                )
            i = self.playlist.mediaCount() - len(paths)
            self.playlist.setCurrentIndex(i)
            self.play_media()

        self.model.layoutChanged.emit()

    def update_duration(self, duration):
        self.mediaPlayer.duration()

        self.timeSlider.setMaximum(duration)

        if duration >= 0:
            self.totalTimeLabel.setText(hhmmss(duration))

    def update_position(self, position):
        if position >= 0:
            self.currentTimeLabel.setText(hhmmss(position))

        self.timeSlider.blockSignals(True)
        self.timeSlider.setValue(position)
        self.timeSlider.blockSignals(False)

    def playlist_selection_changed(self, ix):
        i = ix.indexes()[0].row()
        self.playlist.setCurrentIndex(i)
        self.ui_handler()

    def playlist_position_changed(self, i):
        if i > -1:
            ix = self.model.index(i)
            self.playlistView.setCurrentIndex(ix)

    def set_volume(self, value):
        self.mediaPlayer.setVolume(value)

    def volume_changed(self, value):
        self.volume_slider.setValue(value)

    def keyPressEvent(self, event):
        key = event.key()
        modifiers = int(event.modifiers())
        if (modifiers and modifiers & MOD_MASK == modifiers and
                key > 0 and key != Qt.Key_Shift and key != Qt.Key_Alt and
                key != Qt.Key_Control and key != Qt.Key_Meta):
            key_name = QKeySequence(modifiers + key).toString()
            if key_name == 'Ctrl+Right':
                self.media_seek(30000)
            elif key_name == 'Ctrl+Left':
                self.media_seek(-30000)
            elif key_name == 'Ctrl+Up':
                self.mediaPlayer.setVolume(self.mediaPlayer.volume() + 5)
            elif key_name == 'Ctrl+Down':
                self.mediaPlayer.setVolume(self.mediaPlayer.volume() - 5)
            elif key_name == 'Ctrl+O':
                self.open_file()

        else:
            if event.key() == Qt.Key_Space:
                self.play_media()
            elif event.key() == Qt.Key_MediaPlay:
                self.play_media()
            elif event.key() == Qt.Key_MediaNext:
                self.play_next()
            elif event.key() == Qt.Key_MediaPrevious:
                self.play_prev()
            elif event.key() == Qt.Key_Escape:
                self.close()
            elif event.key() == Qt.Key_F:
                self.fullscreen()
            elif event.key() == Qt.Key_Right:
                self.media_seek(5000)
            elif event.key() == Qt.Key_Left:
                self.media_seek(-5000)
Exemplo n.º 3
0
class Control:
    """A class that handles the logic behind the program by manipulating the GUI classes
    and calling their methods in response to received signals."""

    MAGIC = b"\x01\xff"

    def __init__(self, screens: list) -> None:
        self.player = QMediaPlayer()
        self.player.setAudioRole(QAudio.MusicRole)
        self.playlist = QMediaPlaylist()
        self.player.setPlaylist(self.playlist)
        self.mainWindow = MainWindow(self, screens)
        self.mainArea = self.mainWindow.centralWidget().upperBox.mainArea
        self.songList = self.mainWindow.centralWidget().upperBox.songList
        self.mediaControlArea = self.mainWindow.centralWidget(
        ).mediaControlArea
        self.mainWindow.show()
        self.library = None
        self.currentSong = None
        self.playing = False
        self.random = False
        self.repeat = 0
        self.volume = 50

        self.volumeChange(self.volume)
        self.mediaControlArea.volumeControl.setValue(self.volume)

        self.mainTimer = QTimer()
        self.mainTimer.setInterval(100)
        self.mainTimer.timeout.connect(self.updateSongProgress)
        self.mainTimer.start()

        self.libraryUpdateTimer = QTimer()
        self.libraryUpdateTimer.setInterval(15_000)
        self.libraryUpdateTimer.timeout.connect(self.updateLibrary)
        self.libraryUpdateTimer.start()

        self._connection = None
        self.connections()

        self.displayedType = None
        self.displayedName = None
        self.types = None
        self.songListWidth = None
        values = self.load()
        if values:
            self.mainWindow.setGeometry(*values)
            self.volumeChange(self.volume)
            self.mediaControlArea.volumeControl.setValue(self.volume)

        self.setUpTimer = QTimer()
        self.setUpTimer.setInterval(20)
        self.setUpTimer.setSingleShot(True)
        self.setUpTimer.timeout.connect(self.setAreas)
        self.setUpTimer.start()

    def connections(self):
        self.player.currentMediaChanged.connect(self.updateCurrentSong)
        self.player.durationChanged.connect(self.updateSongProgressRange)
        self.player.stateChanged.connect(self.playerStatusChanged)
        self.mediaControlArea.previousButton.click.connect(
            self.playlist.previous)
        self.mediaControlArea.repeatButton.click.connect(
            self.repeatButtonClick)
        self.mediaControlArea.stopButton.click.connect(self.stopButtonClick)
        self.mediaControlArea.playButton.click.connect(self.playButtonClick)
        self.mediaControlArea.randomButton.click.connect(
            self.randomButtonClick)
        self.mediaControlArea.nextButton.click.connect(self.playlist.next)
        self.mediaControlArea.muteButton.click.connect(self.mute)
        self.mediaControlArea.songProgress.sliderMoved.connect(
            self.songProgressMove)
        self.mediaControlArea.volumeControl.sliderMoved.connect(
            self.volumeChange)

    def setAreas(self) -> None:
        """Called after the GUI is created to provide user with a feedback
        that the program is running in case a larger amount of songs will be added
        when the Library class is initialized."""
        # TODO add a tooltip that will notify the user larger amount of songs is being loaded
        #  (freezes the program as the execution moves to the Library class.)
        self.library = library.Library()
        self.types = {
            "artist": self.library.getSongsForArtist,
            "album": self.library.getSongsForAlbum,
            "playlist": self.library.getSongsForPlaylist
        }
        self.mainArea.setAreas(self.library)
        self.setUpTimer.deleteLater()
        self.setUpTimer = None
        self.getSongs(self.displayedType, self.displayedName)
        if self.songListWidth is not None:
            songListGeometry = self.songList.geometry()
            self.songList.preferredWidth = songListGeometry.width(
            ) - self.songListWidth
            self.mainWindow.centralWidget().upperBox.line.resizeWidgets(
                songListGeometry.width() - self.songListWidth)

    def updateLibrary(self) -> None:
        self.library.update()
        self.mainArea.updateView(self.library)

    def updateCurrentSong(self) -> None:
        """Update all areas that may display information about the currently
        playing song - SongList, Now Playing tab, BottomBox"""
        media = self.player.currentMedia()
        self.currentSong = media.request().url().toLocalFile().replace(
            "/", "\\")
        if self.currentSong in self.library.library:
            self.songList.updateActiveSong(self.currentSong)
            self.mainArea.updateActiveSong(self.playlist.currentIndex())
            songEntry = self.library.library[self.currentSong]
            self.mediaControlArea.updateSongInfo(
                f"{songEntry[ARTIST]} - {songEntry[NAME]}")

    def updateSongProgressRange(self) -> None:
        """Updates the range of the slider that represents the song position."""
        self.mediaControlArea.updateSongProgressRange(self.player.duration())

    def playerStatusChanged(self) -> None:
        """Used to properly update the player look after the current playlist has finished."""
        index = self.playlist.currentIndex()
        if index == -1:
            self.stopButtonClick()

    def getSongs(self, isType: str, name: str) -> None:
        """Retrieves the songs for a given artist, album or playlist based on type
        and passes the resulting list to the SongList class."""
        if isType is None:
            isType = self.displayedType
        if name is None:
            name = self.displayedName
        orderBy = self.songList.buttonOrderBy.text()
        reverse = True if self.songList.buttonOrderReverse.text() == chr(
            0x25bc) else False
        listForType = self.types[isType](name, orderBy, reverse)
        playlist = None
        if isType == "playlist":
            playlist = name
        if len(listForType) == 0:
            artists = self.library.artists
            if len(artists):
                listForType = self.library.getSongsForArtist(artists[0])
        self.songList.updateSongList(listForType, self.library.library,
                                     self.currentSong, playlist, isType)
        self.displayedType = isType
        self.displayedName = name

    def playSongList(self, song: str = None) -> None:
        """Called when user double-clicks on an artist/album/playlist widget or a song
        in right-hand side panel."""
        self.playlist.clear()
        index = 0
        loopIndex = 0
        for songPath in self.songList.garbageProtector:
            if song == songPath:
                index = loopIndex
            self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(songPath)))
            loopIndex += 1
        if self.playlist.isEmpty():
            return
        self.player.play()
        if index > 0:
            self.playlist.setCurrentIndex(index)
        self.playing = True
        self.mediaControlArea.playButton.updatePictures(
            bottom.pausePixmap, bottom.pauseHoverPixmap, False)
        self.mainArea.setNowPlayingArea(self.library)
        self.mainArea.updateActiveSong(self.playlist.currentIndex())

    def playSongWidget(self,
                       songPath: str,
                       afterCurrent: bool = False) -> None:
        if afterCurrent:
            index = self.playlist.currentIndex() + 1
            self.playlist.insertMedia(
                index, QMediaContent(QUrl.fromLocalFile(songPath)))
        else:
            self.playlist.addMedia(QMediaContent(QUrl.fromLocalFile(songPath)))
        self.mainArea.setNowPlayingArea(self.library)
        self.mainArea.updateActiveSong(self.playlist.currentIndex())
        self.playing = True

    def removeFromNowPlaying(self, widget) -> None:
        if self.playlist.mediaCount() > 1:
            for row in range(self.mainArea.nowPlayingLayout.rowCount()):
                for column in range(
                        self.mainArea.nowPlayingLayout.columnCount()):
                    if self.mainArea.nowPlayingLayout.itemAtPosition(
                            row, column).widget() is widget:
                        self.playlist.removeMedia(row - 1)
                        break
                else:
                    continue
                break
        else:
            self.stopButtonClick()
            self.playlist.clear()
        self.mainArea.setNowPlayingArea(self.library)
        if self.playing:
            self.mainArea.updateActiveSong(self.playlist.currentIndex())

    def playMediaWidget(self, isType: str, target: str, startOver: bool,
                        afterCurrent: bool) -> None:
        """Called from MediaWidget - plays all songs for MediaWidget's type and name."""
        if startOver:
            self.playlist.clear()
        if afterCurrent:
            index = self.playlist.currentIndex() + 1
            for songPath in self.types[isType](target):
                self.playlist.insertMedia(
                    index, QMediaContent(QUrl.fromLocalFile(songPath)))
                index += 1
        else:
            for songPath in self.types[isType](target):
                self.playlist.addMedia(
                    QMediaContent(QUrl.fromLocalFile(songPath)))
        if startOver:
            self.player.play()
            self.playing = True
            self.mediaControlArea.playButton.updatePictures(
                bottom.pausePixmap, bottom.pauseHoverPixmap, False)
        self.mainArea.setNowPlayingArea(self.library)
        self.mainArea.updateActiveSong(self.playlist.currentIndex())

    def playFromNowPlaying(self, song: str) -> None:
        """Called when user double-clicks on a song in the Now Playing tab."""
        for n in range(self.playlist.mediaCount()):
            media = self.playlist.media(n)
            if song == media.request().url().toLocalFile().replace("/", "\\"):
                self.playlist.setCurrentIndex(n)
                if not self.playing:
                    self.player.play()
                    self.playing = True
                return

    def createPlaylist(self, playlistName: str) -> None:
        self.library.createPlaylist(playlistName)
        self.mainArea.setMainAreaPlaylists(self.library)

    def addToExistingPlaylist(self, playlist: str, songOrWidget: str,
                              isType: str) -> None:
        if isType in self.types:
            for song in self.types[isType](songOrWidget):
                self.library.addToPlaylist(playlist, song)
        else:
            self.library.addToPlaylist(playlist, songOrWidget)
        self.library.update()

    def removeFromPlaylist(self, playlist: str, song: str) -> None:
        self.library.deleteFromPlaylist(playlist, song)
        self.mainArea.setMainAreaPlaylists(self.library)
        self.library.update()
        self.getSongs("playlist", playlist)

    def renamePlaylist(self, playlistName: str, newPlaylistName: str) -> None:
        self.library.renamePlaylist(playlistName, newPlaylistName)
        self.mainArea.setMainAreaPlaylists(self.library)
        self.library.update()

    def deletePlaylist(self, playlistName: str) -> None:
        self.library.deletePlaylist(playlistName)
        self.mainArea.setMainAreaPlaylists(self.library)
        self.library.update()

    def addWatchedFolder(self, folder: str) -> None:
        """Adds a folder to the Library class. all mp3 files within the folder
        and its sub-folders will be added to the library and accessible to the player."""
        self.library.addFolder(folder.replace("/", "\\"))
        self.mainArea.updateView(self.library)

    def removeWatchedFolder(self, folder: str) -> None:
        """Removes folder from the library, updates view and stops playback if
        the current song was in the now-removed folder."""
        self.library.deleteFolder(folder)
        self.mainArea.updateView(self.library)
        if self.currentSong not in self.library.library:
            self.songList.updateSongList([], [], "", "")
            self.player.stop()
            self.playlist.clear()
            self.mediaControlArea.updateSongInfo("")
            self.songList.nowPlayingSong = None
            self.mainArea.nowPlayingSong = None
            self.playing = False
            self.mediaControlArea.updatePlayButton(self.playing, False)

    def playButtonClick(self, passMove: bool = True) -> None:
        if not self.playing:
            if self.playlist.isEmpty():
                self.playSongList()
                return
            self.playing = True
            self.player.play()
            self.mainArea.updateActiveSong(self.playlist.currentIndex())
            self.songList.updateActiveSong(self.currentSong)
        else:
            self.playing = False
            self.player.pause()
        self.mediaControlArea.updatePlayButton(self.playing, passMove)

    def repeatButtonClick(self) -> None:
        if self.repeat == 0:
            self.repeat = 1
            self.playlist.setPlaybackMode(QMediaPlaylist.Loop)
        elif self.repeat == 1:
            self.repeat = 2
            self.playlist.setPlaybackMode(QMediaPlaylist.CurrentItemInLoop)
        elif self.repeat == 2:
            self.repeat = 0
            self.playlist.setPlaybackMode(QMediaPlaylist.Sequential)
        self.mediaControlArea.updateRepeatButton(self.repeat)

    def randomButtonClick(self) -> None:
        if not self.random:
            self.random = True
            self.playlist.setPlaybackMode(QMediaPlaylist.Random)
        else:
            self.random = False
            self.playlist.setPlaybackMode(QMediaPlaylist.Sequential)
        self.mediaControlArea.updateRandomButton(self.random)

    def stopButtonClick(self) -> None:
        self.playing = False
        self.player.stop()
        if self.songList.nowPlayingSong is not None:
            self.songList.nowPlayingSong.clear()
        if self.mainArea.nowPlayingSong is not None:
            self.mainArea.nowPlayingSong.clear()
        self.mediaControlArea.updatePlayButton(self.playing, False)

    def mute(self) -> None:
        if not self.player.isMuted():
            self.player.setMuted(True)
            self.mediaControlArea.showMute()
        else:
            self.player.setMuted(False)
            self.volumeChange(self.volume)

    def volumeChange(self, volume: int) -> None:
        logVolume = QAudio.convertVolume(volume / 100,
                                         QAudio.LogarithmicVolumeScale,
                                         QAudio.LinearVolumeScale) * 100
        self.player.setVolume(logVolume)
        self.volume = volume
        self.mediaControlArea.updateVolumeBar(volume)

    def songProgressMove(self, position: int) -> None:
        self.player.setPosition(position)

    def updateSongProgress(self) -> None:
        position = self.player.position()
        if 0 <= position < 2_000_000_000:
            if self.player.state() > 0:
                self.mediaControlArea.updateSongProgress(position)
                if self.playing:
                    self.songList.activeSongPixmap()
                    self.mainArea.activeSongPixmap()
            else:
                self.mediaControlArea.updateSongProgress(0)

    def disconnect(self):
        self.player.currentMediaChanged.disconnect()
        self.player.durationChanged.disconnect()
        self.player.stateChanged.disconnect()
        self.mediaControlArea.previousButton.click.disconnect()
        self.mediaControlArea.repeatButton.click.disconnect()
        self.mediaControlArea.stopButton.click.disconnect()
        self.mediaControlArea.playButton.click.disconnect()
        self.mediaControlArea.randomButton.click.disconnect()
        self.mediaControlArea.nextButton.click.disconnect()
        self.mediaControlArea.muteButton.click.disconnect()
        self.mediaControlArea.songProgress.sliderMoved.disconnect()
        self.mediaControlArea.volumeControl.sliderMoved.disconnect()

    def close(self) -> None:
        self.disconnect()
        self.player.stop()
        self.mainTimer.stop()
        self.save()

    def save(self) -> None:
        """Called on exit, saves current view, geometry and volume."""
        with gzip.open(r"musicplayer\mpdata", "wb") as fh:
            fh.write(self.MAGIC)
            toBeWritten = struct.pack(f"<h{len(self.displayedType.encode())}s",
                                      len(self.displayedType.encode()),
                                      self.displayedType.encode())
            fh.write(toBeWritten)
            fh.write(self.MAGIC)
            toBeWritten = struct.pack(f"<h{len(self.displayedName.encode())}s",
                                      len(self.displayedName.encode()),
                                      self.displayedName.encode())
            fh.write(toBeWritten)
            fh.write(self.MAGIC)
            geo = self.mainWindow.geometry()
            toBeWritten = struct.pack("<4h", geo.x(), geo.y(), geo.width(),
                                      geo.height())
            fh.write(toBeWritten)
            toBeWritten = struct.pack("<h", self.volume)
            fh.write(toBeWritten)
            toBeWritten = struct.pack("<h", self.songList.width())
            fh.write(toBeWritten)

    def load(self) -> [bool, tuple]:
        """Called on startup, loads view, geometry and volume saved on previous run."""
        try:
            with gzip.open(r"musicplayer\mpdata", "rb") as fh:
                if not fh.read(2) == self.MAGIC:
                    return False
                length = fh.read(2)
                length = struct.unpack("<h", length)[0]
                displayedType = fh.read(length)
                displayedType = struct.unpack(f"<{length}s",
                                              displayedType)[0].decode("utf8")
                if displayedType in ["artist", "album", "playlist"]:
                    self.displayedType = displayedType
                if not fh.read(2) == self.MAGIC:
                    return False
                length = fh.read(2)
                length = struct.unpack("<h", length)[0]
                displayedName = fh.read(length)
                displayedName = struct.unpack(f"<{length}s",
                                              displayedName)[0].decode("utf8")
                if not fh.read(2) == self.MAGIC:
                    return False
                self.displayedName = displayedName
                variables = []
                for n in range(6):
                    var = fh.read(2)
                    var = struct.unpack("<h", var)[0]
                    variables.append(var)
                x, y, width, height, volume, songListWidth = variables
                self.volume = volume
                self.songListWidth = songListWidth
                return x, y, width, height
        except Exception:
            return False
Exemplo n.º 4
0
class Ui_MainWindow(object):

    # for stylizing progress bar
    progress_styleSheet = """
            QSlider::groove:horizontal {
                background: dark;
                height: 40px;
            }

            QSlider::sub-page:horizontal {
                background: qlineargradient(x1: 0, y1: 0,    x2: 0, y2: 1,
                    stop: 0 #07406a, stop: 1 #696969);
                background: qlineargradient(x1: 0, y1: 0.2, x2: 1, y2: 1,
                    stop: 0 #696969, stop: 1 #07406a);
                height: 40px;
            }

            QSlider::add-page:horizontal {
                background: #696969;
                height: 40px;
            }

            QSlider::handle:horizontal {
                background: #aaa;
                border: 0px;
                width: 5px;
                margin-top: 0px;
                margin-bottom: 0px;
                border-radius: 0px;
            }
        """

    def setupUi(self, MainWindow):
        MainWindow.setObjectName("Music Player")
        MainWindow.resize(640, 480)
        MainWindow.setAcceptDrops(True)

        self.playlist = QMediaPlaylist()
        self.player = QMediaPlayer()
        self.player.setPlaylist(self.playlist)
        self.player.setVolume(20)
        self.player.setPlaybackRate(jdata['playback'])
        self.playlist.setPlaybackMode(jdata['curr_playstyle'])

        self.centralwidget = QtWidgets.QWidget(MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.gridLayout = QtWidgets.QGridLayout(self.centralwidget)
        self.gridLayout.setObjectName("gridLayout")
        self.gridLayout_2 = QtWidgets.QGridLayout()
        self.gridLayout_2.setObjectName("gridLayout_2")
        self.progress = QtWidgets.QSlider(self.centralwidget)
        self.progress.setOrientation(QtCore.Qt.Horizontal)
        self.progress.setStyleSheet(self.progress_styleSheet)
        self.progress.setObjectName("progress")
        self.progress.setSingleStep(1)
        self.progress.setPageStep(1)
        self.gridLayout_2.addWidget(self.progress, 1, 0, 1, 3)
        self.stop_but = QtWidgets.QPushButton(self.centralwidget)
        self.stop_but.setObjectName("stop_but")
        self.gridLayout_2.addWidget(self.stop_but, 0, 2, 1, 1)
        self.backward_b = QtWidgets.QPushButton(self.centralwidget)
        self.backward_b.setObjectName("backward")
        self.gridLayout_2.addWidget(self.backward_b, 0, 0, 1, 1)
        self.cont_pau = QtWidgets.QPushButton(self.centralwidget)
        self.cont_pau.setObjectName("cont_pau")
        self.gridLayout_2.addWidget(self.cont_pau, 0, 1, 1, 1)
        self.playstyle = QtWidgets.QPushButton(self.centralwidget)
        self.playstyle.setObjectName("playstyle")
        self.playstyle.setText("Loop")
        self.gridLayout_2.addWidget(self.playstyle, 0, 4, 1, 1)
        self.forward_b = QtWidgets.QPushButton(self.centralwidget)
        self.forward_b.setObjectName("forward")
        self.gridLayout_2.addWidget(self.forward_b, 0, 3, 1, 1)
        self.time_remain = QtWidgets.QLabel(self.centralwidget)
        self.time_remain.setObjectName("time_remain")
        self.gridLayout_2.addWidget(self.time_remain, 1, 3, 1, 1)
        self.verticalLayout_2 = QtWidgets.QVBoxLayout()
        self.verticalLayout_2.setObjectName("verticalLayout_2")
        self.volume = QtWidgets.QLabel(self.centralwidget)
        self.volume.setAlignment(QtCore.Qt.AlignCenter)
        self.volume.setObjectName("volume")
        self.verticalLayout_2.addWidget(self.volume)
        self.volume_ctrl = QtWidgets.QSlider(self.centralwidget)
        self.volume_ctrl.setOrientation(QtCore.Qt.Horizontal)
        self.volume_ctrl.setObjectName("volume_ctrl")
        self.volume_ctrl.setValue(jdata["volume"])
        self.volume_ctrl.setRange(-1, 101)
        self.volume_ctrl.setSingleStep(1)
        self.volume_ctrl.setPageStep(1)
        self.verticalLayout_2.addWidget(self.volume_ctrl)
        self.gridLayout_2.addLayout(self.verticalLayout_2, 1, 4, 1, 1)
        self.gridLayout.addLayout(self.gridLayout_2, 1, 0, 1, 1)
        self.verticalLayout = QtWidgets.QVBoxLayout()
        self.verticalLayout.setObjectName("verticalLayout")
        self.playing = QtWidgets.QLabel(self.centralwidget)
        font = QtGui.QFont()
        font.setFamily("Arial")
        font.setPointSize(12)
        self.playing.setFont(font)
        self.playing.setAlignment(QtCore.Qt.AlignCenter)
        self.playing.setObjectName("playing")
        self.playing.setScaledContents(True)
        self.playing.setWordWrap(True)
        self.verticalLayout.addWidget(self.playing)
        self.gridLayout.addLayout(self.verticalLayout, 0, 0, 1, 1)
        self.verticalLayout_3 = QtWidgets.QVBoxLayout()
        self.verticalLayout_3.setObjectName("verticalLayout_3")
        self.song_list = ListWidget(self.centralwidget)
        self.song_list.setMinimumSize(QtCore.QSize(183, 0))
        self.song_list.setAcceptDrops(True)
        self.song_list.setDragDropMode(
            QtWidgets.QAbstractItemView.InternalMove)
        self.song_list.setObjectName("song_list")
        self.song_list.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
        self.song_list.setWordWrap(True)
        self.verticalLayout_3.addWidget(self.song_list)
        self.gridLayout.addLayout(self.verticalLayout_3, 0, 1, 2, 1)
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 632, 25))
        self.menubar.setObjectName("menubar")
        self.menuFile = QtWidgets.QMenu(self.menubar)
        self.menuFile.setObjectName("menuFile")
        self.menuAbout = QtWidgets.QMenu(self.menubar)
        self.menuAbout.setObjectName("menuAbout")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)
        self.actionOpen = QtWidgets.QAction(MainWindow)
        self.actionOpen.setObjectName("actionOpen")
        self.actionLisence_Information = QtWidgets.QAction(MainWindow)
        self.actionLisence_Information.setObjectName(
            "actionLisence_Information")
        self.menuFile.addAction(self.actionOpen)
        self.menuAbout.addAction(self.actionLisence_Information)
        self.menubar.addAction(self.menuFile.menuAction())
        self.menubar.addAction(self.menuAbout.menuAction())
        spacerItem = QtWidgets.QSpacerItem(40, 20,
                                           QtWidgets.QSizePolicy.Expanding,
                                           QtWidgets.QSizePolicy.Minimum)
        self.gridLayout_2.addItem(spacerItem, 0, 5, 1, 1)
        self.gridLayout.addLayout(self.gridLayout_2, 1, 0, 1, 1)

        self.info = QMessageBox()
        self.info.setWindowTitle("License Information")
        self.info.setText("MIT License\n\nCopyright (c) 2021 Marganotvke")

        self.err = QMessageBox()
        self.err.setWindowTitle("Error Loading File")
        self.err.setText("Error Loading File!\n\nPlease check file type!")

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

        self.actionOpen.triggered.connect(lambda: self.open_trig())
        self.actionLisence_Information.triggered.connect(
            lambda: self.info.exec_())
        self.cont_pau.clicked.connect(lambda: self.cur_playing())
        self.volume_ctrl.sliderMoved.connect(lambda: self.change_vol())
        self.stop_but.clicked.connect(lambda: self.stop_playing())
        self.forward_b.clicked.connect(lambda: self.forward())
        self.backward_b.clicked.connect(lambda: self.backward())
        self.playstyle.clicked.connect(lambda: self.playlist_style())
        self.song_list.dropped.connect(lambda e: self.start_play(e))
        self.song_list.itemDoubleClicked.connect(
            lambda: self.jump_start(self.song_list.currentRow()))
        self.song_list.model().rowsAboutToBeMoved.connect(
            lambda e, f, g, h, i: self.re_arr(f, i))
        self.song_list.dele.connect(lambda e: self.delete_q(e))
        self.player.metaDataAvailableChanged.connect(lambda: self.set_meta())
        self.player.stateChanged.connect(lambda e: self.set_state(e))
        self.player.positionChanged.connect(lambda e: self.set_pos(e))
        self.progress.sliderMoved.connect(lambda e: self.skip_to(e))

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "Music Player"))
        self.stop_but.setText(_translate("MainWindow", "Stop"))
        self.backward_b.setText(_translate("MainWindow", "Backward"))
        self.cont_pau.setText(_translate("MainWindow", "Load Song"))
        self.playstyle.setText(
            _translate("MainWindow", f"{playstyles[jdata['curr_playstyle']]}"))
        self.forward_b.setText(_translate("MainWindow", "Forward"))
        self.time_remain.setText(_translate("MainWindow", "--/--"))
        self.volume.setText(
            _translate("MainWindow", f"Volume: {jdata['volume']}%"))
        self.playing.setText(
            _translate("MainWindow", "Currently playing: None"))
        self.menuFile.setTitle(_translate("MainWindow", "File"))
        self.menuAbout.setTitle(_translate("MainWindow", "About"))
        self.actionOpen.setText(_translate("MainWindow", "Open"))
        self.actionLisence_Information.setText(
            _translate("MainWindow", "License Information"))
        self.actionOpen.setShortcut(_translate("MainWindow", "Ctrl+O"))

    def re_arr(self, e=None, f=None):
        f -= 1 if self.song_list.count() == f else 0
        media = self.playlist.media(e)
        self.playlist.removeMedia(e)
        self.playlist.insertMedia(f, media)

    def jump_start(self, index=None):
        if self.playlist.currentIndex() != index:
            self.playlist.setCurrentIndex(index)
            self.player.stop()
            self.start_play()

    def start_play(self, url=None):
        if url:
            print("Emitted from drop event:", url)
            threading.Thread(target=self.open_file(url)).start()
        self.player.play()

    def stop_playing(self):
        self.player.stop()

    def cur_playing(self):
        if self.playlist.isEmpty():
            self.open_trig()
        else:
            if self.player.state() == 1:
                self.player.pause()
                self.cont_pau.setText("Play")
            else:
                self.player.play()
                self.cont_pau.setText("Pause")

    def forward(self):
        self.playlist.next()

    def backward(self):
        if round(self.player.position() / 1000) >= 5:
            self.player.setPosition(0)
            if not self.player.state():
                self.start_play()
        else:
            self.playlist.previous()

    def open_trig(self):
        filename = QFileDialog.getOpenFileName(
            None,
            'Open File',
            filter=
            "MPEG-2 (*.mp3);;WAVE Audio (*.wav,*.aif,*.aiff);;MPEG-1/DD/ACC (*.aac);;MIDI (*.mid,*.midi);;Windows Media Audio (*.wma);;Xiph.Org OGG Vorbis (*.ogg);;NeXT SouND (*.snd);;FLAC (*.flac);;All files(*)"
        )
        threading.Thread(target=self.open_file(filename[0])).start()

    def open_file(self, file_url):
        url = QUrl.fromLocalFile(file_url)
        avai = ('.mp3', '.wav', 'ogg', '.aac', '.aif', '.aiff', '.mid',
                '.midi', '.wma', '.snd', '.flac')
        if url.url() != '' and not url.fileName().lower().endswith(avai):
            self.err.exec_()
        elif url.fileName().lower().endswith(avai):
            song_name = url.fileName().split(".")[0]
            self.song_list.addItem(song_name)
            if self.playlist.isEmpty():
                self.playlist.addMedia(QMediaContent(url))
                self.cont_pau.setText("Pause")
                self.start_play()
            else:
                self.playlist.addMedia(QMediaContent(url))

    def delete_q(self, i):
        self.playlist.removeMedia(i)
        self.song_list.takeItem(i)

    def playlist_style(self):
        i = self.playlist.playbackMode()
        i += 1
        i *= (i < 5)
        self.playlist.setPlaybackMode(i)
        self.playstyle.setText(f"{playstyles[self.playlist.playbackMode()]}")
        jdata["curr_playstyle"] = self.playlist.playbackMode()
        print(playstyles[self.playlist.playbackMode()])

    def change_vol(self):
        vol = self.volume_ctrl.value()
        self.player.setVolume(vol)
        self.volume.setText(f"Volume: {vol}%")
        jdata["volume"] = vol

    def set_pos(self, e):
        if self.player.isMetaDataAvailable():
            t = self.player.duration()
            dt = datetime.datetime.fromtimestamp(
                round(self.player.duration() / 1000)).strftime('%M:%S')
            dt_ct = datetime.datetime.fromtimestamp(round(
                e / 1000)).strftime('%M:%S')
            self.thread = threading.Thread(
                target=self.progress.setValue(round((e / t) * 100)))
            self.thread.start()
            self.time_remain.setText(f"{dt_ct}/{dt}")

    def set_meta(self):
        if self.player.isMetaDataAvailable():
            self.duraiton = self.player.duration()
            self.progress.setRange(0, 100)
            self.playing.setText(
                f"Currently playing: {self.player.currentMedia().canonicalUrl().fileName().split('.')[0]}"
            )
        else:
            if self.playlist.isEmpty():
                self.cont_pau.setText("Load Song")
                self.time_remain.setText("--/--")

    def set_state(self, e):
        if not e:
            self.playing.setText("Currently playing: None")
            if self.playlist.isEmpty():
                self.cont_pau.setText("Load Song")
            else:
                self.cont_pau.setText("Play")
        else:
            if self.player.isMetaDataAvailable():
                self.playing.setText(
                    f"Currently playing: {self.player.currentMedia().canonicalUrl().fileName().split('.')[0]}"
                )

    def skip_to(self, e):
        self.player.setPosition(round((e / 100) * self.player.duration()))