def __init__(self, app, parent=None):
super().__init__(parent)
self._app = app
class IconButton(QPushButton):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# 按钮文字一般是一个 symbol，长度控制为 40 是满足需求的
self.setMaximumWidth(40)
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)
self.pms_btn = QPushButton(self)
self.volume_btn = VolumeButton(self)
self.volume_btn.change_volume_needed.connect(
lambda volume: setattr(self._app.player, 'volume', volume))
self.playlist_btn = IconButton(parent=self)
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.progress_slider = ProgressSlider(self)
# TODO(simple): implementation
self.pms_btn.setToolTip('修改播放模式（未实现，欢迎 PR）')
self.volume_btn.setToolTip('调整音量（未实现，欢迎 PR）')
self.playlist_btn.setToolTip('显示当前播放列表')
self.progress_slider.setToolTip('拖动调节进度（未实现，欢迎 PR）')
if not use_mac_theme():
self.previous_btn.setIcon(self.style().standardIcon(
QStyle.SP_MediaSkipBackward))
self.pp_btn.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
self.next_btn.setIcon(self.style().standardIcon(
QStyle.SP_MediaSkipForward))
self.volume_btn.setIcon(self.style().standardIcon(
QStyle.SP_MediaVolume))
self.playlist_btn.setText('🎶')
else:
self.pp_btn.setCheckable(True)
self.song_title_label = QLabel('No song is playing.', parent=self)
self.song_title_label.setAlignment(Qt.AlignCenter)
self.duration_label = QLabel('00:00', parent=self)
self.position_label = QLabel('00:00', parent=self)
self.next_btn.clicked.connect(self._app.player.play_next)
self.previous_btn.clicked.connect(self._app.player.play_previous)
self.pp_btn.clicked.connect(self._app.player.toggle)
self.pms_btn.clicked.connect(self._switch_playback_mode)
self._app.player.state_changed.connect(self._on_player_state_changed)
self._app.player.playlist.playback_mode_changed.connect(
self.on_playback_mode_changed)
self._app.player.playlist.song_changed.connect(
self.on_player_song_changed)
self.progress_slider.resume_player_needed.connect(
self._app.player.resume)
self.progress_slider.pause_player_needed.connect(
self._app.player.pause)
self.progress_slider.change_position_needed.connect(
lambda value: setattr(self._app.player, 'position', value))
self._update_pms_btn_text()
self._setup_ui()
def __init__(self, app, parent=None):
super().__init__(parent)
self._app = app
class Button(QPushButton):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
# 按钮文字一般是一个 symbol，长度控制为 40 是满足需求的
self.setMaximumWidth(40)
# initialize sub widgets
self._layout = QHBoxLayout(self)
self.previous_btn = Button(self)
self.pp_btn = Button(self)
self.next_btn = Button(self)
self.pms_btn = Button(self)
self.volume_btn = VolumeButton(self)
self.volume_btn.change_volume_needed.connect(
lambda volume: setattr(self._app.player, 'volume', volume))
self.playlist_btn = Button(parent=self)
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.progress_slider = ProgressSlider(self)
# TODO(simple): implementation
self.pms_btn.setToolTip('修改播放模式（未实现，欢迎 PR）')
self.volume_btn.setToolTip('调整音量（未实现，欢迎 PR）')
self.playlist_btn.setToolTip('显示当前播放列表')
self.progress_slider.setToolTip('拖动调节进度（未实现，欢迎 PR）')
if not use_mac_theme():
self.previous_btn.setIcon(self.style().standardIcon(
QStyle.SP_MediaSkipBackward))
self.pp_btn.setIcon(self.style().standardIcon(QStyle.SP_MediaPlay))
self.next_btn.setIcon(self.style().standardIcon(
QStyle.SP_MediaSkipForward))
self.volume_btn.setIcon(self.style().standardIcon(
QStyle.SP_MediaVolume))
self.playlist_btn.setText('🎶')
else:
self.pp_btn.setCheckable(True)
self.song_title_label = QLabel('No song is playing.', parent=self)
self.song_title_label.setAlignment(Qt.AlignCenter)
self.duration_label = QLabel('00:00', parent=self)
self.position_label = QLabel('00:00', parent=self)
self.next_btn.clicked.connect(self._app.player.play_next)
self.previous_btn.clicked.connect(self._app.player.play_previous)
self.pp_btn.clicked.connect(self._app.player.toggle)
# set widget layout
self.progress_slider.setMinimumWidth(480)
self.progress_slider.setMaximumWidth(600)
self.progress_slider.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Preferred)
self.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Minimum)
self._sub_layout = QVBoxLayout()
self._sub_layout.addWidget(self.song_title_label)
self._sub_layout.addWidget(self.progress_slider)
self._layout.addSpacing(20)
self._layout.addWidget(self.previous_btn)
self._layout.addSpacing(8)
self._layout.addWidget(self.pp_btn)
self._layout.addSpacing(8)
self._layout.addWidget(self.next_btn)
self._layout.addSpacing(26)
self._layout.addWidget(self.volume_btn)
self._layout.addStretch(0)
self._layout.addWidget(self.position_label)
self._layout.addSpacing(7)
self._layout.addLayout(self._sub_layout)
self._layout.addSpacing(7)
self._layout.addWidget(self.duration_label)
self._layout.addSpacing(5)
self._layout.addStretch(0)
self._layout.addWidget(self.pms_btn)
self._layout.addWidget(self.playlist_btn)
self._layout.addSpacing(18)
self._layout.setSpacing(0)
self._layout.setContentsMargins(0, 0, 0, 0)