class VolumeSlider(QWidget):
""" 音量滑动条 """
# 静音状态改变信号
muteStateChanged = pyqtSignal(bool)
volumeLevelChanged = pyqtSignal(int)
def __init__(self, parent=None):
super().__init__(parent)
self.volumeButton = VolumeButton(self)
self.volumeSlider = Slider(Qt.Horizontal, self)
# 初始化
self.__initWidget()
def __initWidget(self):
""" 初始化小部件 """
self.setFixedSize(345, 78)
self.volumeButton.move(25, 15)
self.volumeSlider.move(108, 25)
self.volumeSlider.setSingleStep(1)
self.volumeSlider.setRange(0, 100)
self.setWindowFlags(Qt.FramelessWindowHint)
self.setAttribute(Qt.WA_TranslucentBackground)
self.__setQss()
self.__setShadowEffect()
# 信号连接到槽
self.volumeButton.muteStateChanged.connect(
lambda muteState: self.muteStateChanged.emit(muteState))
self.volumeButton.volumeLevelChanged.connect(
lambda volumeLevel: self.volumeLevelChanged.emit(volumeLevel))
self.volumeSlider.valueChanged.connect(
self.volumeButton.setVolumeLevel)
def __setQss(self):
""" 设置层叠样式 """
with open(r'resource\css\volume_slider.qss', encoding='utf-8') as f:
self.setStyleSheet(f.read())
def __setShadowEffect(self):
""" 添加阴影 """
self.shadowEffect = QGraphicsDropShadowEffect(self)
self.shadowEffect.setBlurRadius(40)
self.shadowEffect.setOffset(0, 2)
self.setGraphicsEffect(self.shadowEffect)
def paintEvent(self, e):
""" 绘制背景 """
painter = QPainter(self)
painter.setRenderHints(QPainter.Antialiasing
| QPainter.SmoothPixmapTransform)
painter.setPen(QPen(QColor(190, 190, 190, 150)))
painter.setBrush(QBrush(QColor(227, 227, 227)))
painter.drawRoundedRect(self.rect(), 8, 8)
def setValue(self, value):
""" 设置音量 """
self.volumeSlider.setValue(value)
self.volumeButton.setVolumeLevel(value)
class RightWidgetGroup(QWidget):
""" 播放按钮组 """
def __init__(self, parent=None):
super().__init__(parent)
# 创建小部件
self.volumeButton = VolumeButton(self)
self.volumeSlider = Slider(Qt.Horizontal, self)
self.smallPlayModeButton = BasicButton(
r'resource\images\playBar\最小播放模式_45_45.png', self)
self.moreActionsButton = BasicButton(
r'resource\images\playBar\更多操作_45_45.png', self)
self.widget_list = [
self.volumeButton, self.volumeSlider, self.smallPlayModeButton,
self.moreActionsButton
]
# 创建布局
self.h_layout = QHBoxLayout()
# 初始化界面
self.__initWidget()
self.__initLayout()
def __initWidget(self):
""" 初始化小部件 """
self.setFixedSize(301, 16 + 67)
self.volumeSlider.setRange(0, 100)
self.volumeSlider.setObjectName('volumeSlider')
# 将音量滑动条数值改变信号连接到槽函数
self.volumeSlider.setValue(20)
def __initLayout(self):
""" 初始化布局 """
self.__spacing_list = [7, 8, 8, 5, 7]
self.h_layout.setSpacing(0)
self.h_layout.setContentsMargins(0, 0, 0, 0)
# 将小部件添加到布局中
for i in range(4):
self.h_layout.addSpacing(self.__spacing_list[i])
self.h_layout.addWidget(self.widget_list[i])
else:
self.h_layout.addSpacing(self.__spacing_list[-1])
self.setLayout(self.h_layout)
class SubPlayWindow(QWidget):
""" 桌面左上角子播放窗口 """
def __init__(self, parent=None, songInfo: dict = None):
super().__init__(parent)
self.songInfo = {}
if songInfo:
self.songInfo = songInfo
self.__lastSongIconPath = {
'normal':
r'resource\images\sub_play_window\lastSong_50_50_normal.png',
'hover':
r'resource\images\sub_play_window\lastSong_50_50_hover.png',
'pressed':
r'resource\images\sub_play_window\lastSong_50_50_pressed.png'
}
self.__nextSongIconPath = {
'normal':
r'resource\images\sub_play_window\nextSong_50_50_normal.png',
'hover':
r'resource\images\sub_play_window\nextSong_50_50_hover.png',
'pressed':
r'resource\images\sub_play_window\nextSong_50_50_pressed.png'
}
# 创建小部件
self.volumeSlider = Slider(Qt.Vertical, self)
self.volumeLabel = QLabel(self)
self.lastSongButton = ThreeStateButton(self.__lastSongIconPath, self,
(50, 50))
self.playButton = PlayButton(self)
self.nextSongButton = ThreeStateButton(self.__nextSongIconPath, self,
(50, 50))
self.albumPic = QLabel(self)
self.songNameLabel = QLabel(self)
self.songerNameLabel = QLabel(self)
self.ani = QPropertyAnimation(self, b'windowOpacity')
self.timer = QTimer(self)
# 系统音量控制类
self.systemVolume = SystemVolume()
# 初始化
self.__initWidget()
def __initWidget(self):
""" 初始化小部件 """
self.resize(635, 175)
self.__initLayout()
self.setAttribute(Qt.WA_TranslucentBackground)
self.setWindowFlags(Qt.FramelessWindowHint | Qt.Window
| Qt.WindowStaysOnTopHint)
# 初始化音量滑块
self.volumeSlider.setRange(0, 100)
self.volumeSlider.setSingleStep(1)
# 初始化动画和定时器
self.timer.setInterval(3000)
self.ani.setEasingCurve(QEasingCurve.Linear)
self.ani.setDuration(700)
self.ani.setStartValue(1)
self.ani.setEndValue(0)
# 分配ID
self.volumeLabel.setObjectName('volumeLabel')
self.songNameLabel.setObjectName('songNameLabel')
self.songerNameLabel.setObjectName('songerNameLabel')
# 设置层叠样式
self.__setQss()
# 将信号连接到槽
self.__connectSignalToSlot()
self.volumeSlider.setValue(self.systemVolume.getVolume())
# 设置封面和标签
self.updateWindow(self.songInfo)
# 引用方法
self.setPlay = self.playButton.setPlay
def __initLayout(self):
""" 初始化布局 """
self.move(62, 75)
self.albumPic.move(478, 25)
self.playButton.move(222, 26)
self.volumeLabel.move(32, 140)
self.volumeSlider.move(34, 25)
self.songNameLabel.move(122, 93)
self.lastSongButton.move(122, 26)
self.nextSongButton.move(322, 26)
self.songerNameLabel.move(122, 135)
self.albumPic.setFixedSize(125, 125)
self.songNameLabel.setFixedWidth(285)
self.songerNameLabel.setFixedWidth(290)
self.volumeLabel.setFixedWidth(65)
def updateWindow(self, songInfo: dict):
""" 设置窗口内容 """
self.songInfo = songInfo
self.songName = self.songInfo.get('songName', '未知歌曲')
self.songerName = self.songInfo.get('songer', '未知歌手')
# 调整长度
self.__adjustText()
# 更新标签和专辑封面
self.songNameLabel.setText(self.songName)
self.songerNameLabel.setText(self.songerName)
self.__setAlbumCover()
def timerSlot(self):
""" 定时器溢出时间 """
self.timer.stop()
self.ani.start()
def enterEvent(self, e):
""" 鼠标进入时停止动画并重置定时器 """
self.timer.stop()
if self.ani.state() == QAbstractAnimation.Running:
self.ani.stop()
self.setWindowOpacity(1)
def leaveEvent(self, e):
""" 鼠标离开窗口时打开计时器 """
# 判断事件发生的位置发生在自己所占的rect内
notLeave = isNotLeave(self)
if not notLeave:
self.timer.start()
def show(self):
""" show()时重置透明度并根据鼠标位置决定是否打开计时器 """
self.setWindowOpacity(1)
self.volumeSlider.setValue(self.systemVolume.getVolume())
super().show()
notLeave = isNotLeave(self)
if not notLeave:
self.timer.start()
def paintEvent(self, e):
""" 绘制背景色 """
painter = QPainter(self)
painter.setRenderHints(QPainter.Antialiasing)
painter.setPen(Qt.NoPen)
brush = QBrush(Qt.black)
painter.setBrush(brush)
# 绘制音量滑动条的背景
painter.drawRect(0, 0, 81, 175)
# 绘制控制面板的背景
painter.drawRect(86, 0, 549, 175)
def __connectSignalToSlot(self):
""" 将信号连接到槽 """
self.ani.finished.connect(self.hide)
self.timer.timeout.connect(self.timerSlot)
self.volumeSlider.valueChanged.connect(self.sliderValueChangedSlot)
def __setQss(self):
""" 设置层叠样式 """
with open(r'resource\css\subPlayWindow.qss', encoding='utf-8') as f:
self.setStyleSheet(f.read())
def __setAlbumCover(self):
""" 设置封面 """
# 如果专辑信息为空就直接隐藏
self.coverPath = getCoverPath(self.songInfo.get('modifiedAlbum'))
self.albumPic.setPixmap(
QPixmap(self.coverPath).scaled(125, 125, Qt.KeepAspectRatio,
Qt.SmoothTransformation))
def __adjustText(self):
""" 根据文本长度决定是否显示省略号 """
fontMetrics_1 = QFontMetrics(QFont('Microsoft YaHei', 17, 63))
self.songName = fontMetrics_1.elidedText(self.songName, Qt.ElideRight,
285)
fontMetrics_2 = QFontMetrics(QFont('Microsoft YaHei', 9))
self.songerName = fontMetrics_2.elidedText(self.songerName,
Qt.ElideRight, 290)
def __adjustVolumeLabelPos(self):
""" 调整音量标签的位置 """
if 10 <= int(self.volumeLabel.text()) <= 99:
self.volumeLabel.move(32, 140)
elif 0 <= int(self.volumeLabel.text()) <= 9:
self.volumeLabel.move(37, 140)
else:
self.volumeLabel.move(27, 140)
def sliderValueChangedSlot(self, value):
""" 音量改变时调整系统音量并更新标签 """
self.volumeLabel.setText(str(value))
self.__adjustVolumeLabelPos()
self.systemVolume.setVolume(value)