class PlayProgressBar(QWidget):
""" 歌曲播放进度条 """
def __init__(self, duration: str = '0:00', parent=None):
super().__init__(parent)
# 创建两个标签和一个进度条
self.progressSlider = Slider(Qt.Horizontal, self)
self.currentTimeLabel = QLabel('0:00', self)
self.totalTimeLabel = QLabel(duration, self)
# 初始化界面
self.__initWidget()
self.__setQss()
def __initWidget(self):
""" 初始化小部件 """
self.setFixedHeight(38)
self.progressSlider.move(73, 0)
self.currentTimeLabel.move(33, 9)
self.progressSlider.setObjectName('progressSlider')
self.currentTimeLabel.setObjectName('timeLabel')
self.totalTimeLabel.setObjectName('timeLabel')
def setCurrentTime(self, currentTime):
""" 更新当前时间标签，currentTime的单位为ms """
seconds, minutes = self.getSecondMinute(currentTime)
self.currentTimeLabel.setText(f'{minutes}:{str(seconds).rjust(2,"0")}')
self.currentTimeLabel.move(
33 - 9 * (len(self.totalTimeLabel.text()) - 4), 9)
def setTotalTime(self, totalTime):
""" 更新总时长标签，totalTime的单位为ms """
seconds, minutes = self.getSecondMinute(totalTime)
self.totalTimeLabel.setText(f'{minutes}:{str(seconds).rjust(2,"0")}')
def getSecondMinute(self, time):
""" 将毫秒转换为分和秒 """
seconds = int(time / 1000)
minutes = seconds // 60
seconds -= minutes * 60
return seconds, minutes
def __setQss(self):
""" 设置层叠样式 """
with open('resource\\css\\playProgressBar.qss', encoding='utf-8') as f:
self.setStyleSheet(f.read())
def resizeEvent(self, e):
""" 改变尺寸时拉伸进度条 """
self.progressSlider.resize(self.width() - 146, 38)
self.totalTimeLabel.move(self.width() - 57, 10)
super().resizeEvent(e)
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)