def __init__(self, app, parent=None):
super().__init__(parent=parent)
self._app = app
self._video_pp_btn = QPushButton()
self._progress_slider = ProgressSlider(app)
self._left_label = ProgressLabel(app, self)
self._right_label = DurationLabel(app, self)
# configure layout
self._layout = QVBoxLayout(self)
self._layout.setContentsMargins(0, 0, 0, 0)
self._layout.setSpacing(0)
self._top_layout = QHBoxLayout()
self._bottom_layout = QHBoxLayout()
self._layout.addStretch(0)
self._layout.addLayout(self._top_layout)
self._layout.addLayout(self._bottom_layout)
# HELP: why must we add stretch around button to make sure
# the button is properly rendered by Qt?
self._top_layout.addStretch(0)
self._top_layout.addWidget(self._video_pp_btn)
self._top_layout.addStretch(0)
self._bottom_layout.addSpacing(10)
self._bottom_layout.addWidget(self._left_label)
self._bottom_layout.addSpacing(5)
self._bottom_layout.addWidget(self._progress_slider)
self._bottom_layout.addSpacing(5)
self._bottom_layout.addWidget(self._right_label)
self._bottom_layout.addSpacing(10)
self._video_pp_btn.setObjectName('video_pp_btn')
self._video_pp_btn.setCheckable(True)
# configure self
# button size is set by stylesheet
self.setFixedHeight(60) # btn(36) + slider(20) + 5(remain)
self._progress_slider.setFixedHeight(20)
self._left_label.setFixedWidth(45)
self._right_label.setFixedWidth(45)
# signals
self._app.player.state_changed.connect(
lambda x: self._video_pp_btn.setChecked(x == State.playing),
weak=False,
aioqueue=True)
self._video_pp_btn.clicked.connect(self._app.player.toggle)
def __init__(self, app, parent=None):
super().__init__(parent)
self._app = app
class IconButton(QPushButton):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
self._playback_modes = list(PlaybackMode.__members__.values())
self._pm_alias_map = {
PlaybackMode.one_loop: '单曲循环',
PlaybackMode.sequential: '顺序播放',
PlaybackMode.loop: '循环播放',
PlaybackMode.random: '随机播放',
}
# initialize sub widgets
self._layout = QHBoxLayout(self)
self.previous_btn = IconButton(self)
self.pp_btn = IconButton(self)
self.next_btn = IconButton(self)
#: playback mode switch button
self.pms_btn = TextButton(self)
self.volume_btn = VolumeButton(self)
self.playlist_btn = IconButton(parent=self)
#: mark song as favorite button
self.like_btn = QPushButton(self)
self.mv_btn = TextButton('MV', self)
self.lyric_btn = TextButton('词', self)
self.download_btn = QPushButton(self)
self.toggle_video_btn = TextButton('△', self)
# toggle picture-in-picture button
self.toggle_pip_btn = TextButton('◲', self)
self.lyric_window = LyricWindow()
self.lyric_window.hide()
self.previous_btn.setObjectName('previous_btn')
self.pp_btn.setObjectName('pp_btn')
self.next_btn.setObjectName('next_btn')
self.playlist_btn.setObjectName('playlist_btn')
self.volume_btn.setObjectName('volume_btn')
self.pms_btn.setObjectName('pms_btn')
self.download_btn.setObjectName('download_btn')
self.like_btn.setObjectName('like_btn')
self.mv_btn.setObjectName('mv_btn')
self.lyric_btn.setObjectName('lyric_btn')
self.toggle_video_btn.setObjectName('toggle_video_btn')
self.toggle_pip_btn.setObjectName('toggle_pip_btn')
self.progress_slider = ProgressSlider(app=app, parent=self)
self.pms_btn.setToolTip('修改播放模式')
self.volume_btn.setToolTip('调整音量')
self.playlist_btn.setToolTip('显示当前播放列表')
self.mv_btn.setToolTip('播放 MV')
self.download_btn.setToolTip('下载歌曲（未实现，欢迎 PR）')
self.like_btn.setToolTip('收藏歌曲（未实现，欢迎 PR）')
self.pp_btn.setCheckable(True)
self.like_btn.setCheckable(True)
self.download_btn.setCheckable(True)
self.toggle_video_btn.hide()
self.toggle_pip_btn.hide()
self.song_title_label = SongBriefLabel(self._app)
self.song_source_label = QLabel('歌曲来源', parent=self)
self.song_title_label.setAlignment(Qt.AlignCenter)
self.duration_label = DurationLabel(app, parent=self)
self.position_label = ProgressLabel(app, parent=self)
self.song_source_label.setObjectName('song_source_label')
self.next_btn.clicked.connect(self._app.playlist.next)
self.previous_btn.clicked.connect(self._app.playlist.previous)
self.pp_btn.clicked.connect(self._app.player.toggle)
self.pms_btn.clicked.connect(self._switch_playback_mode)
self.lyric_btn.clicked.connect(self._toggle_lyric_window)
self.volume_btn.change_volume_needed.connect(
lambda volume: setattr(self._app.player, 'volume', volume))
player = self._app.player
player.state_changed.connect(self._on_player_state_changed,
aioqueue=True)
player.playlist.playback_mode_changed.connect(
self.on_playback_mode_changed, aioqueue=True)
player.playlist.song_changed.connect(self.on_player_song_changed,
aioqueue=True)
player.media_changed.connect(self.on_player_media_changed,
aioqueue=True)
player.volume_changed.connect(self.volume_btn.on_volume_changed)
self._app.live_lyric.sentence_changed.connect(
self.lyric_window.set_sentence)
self.lyric_window.play_previous_needed.connect(
player.playlist.previous)
self.lyric_window.play_next_needed.connect(player.playlist.next)
self._update_pms_btn_text()
self._setup_ui()