PyQt5实现透明电子时钟

# -*- coding: utf-8 -*- import sys from PyQt5 import QtCore from PyQt5 import QtGui from PyQt5 import QtWidgets class LcdTime(QtWidgets.QFrame):     def __init__(self, parent=None):         super(LcdTime, self).__init__(parent)         self.hour = QtWidgets.QLCDNumber(8, self)         self.hour.setGeometry(10, 10, 200, 70)         self.hour.setSegmentStyle(QtWidgets.QLCDNumber.Flat)         self.display()         self.timer = QtCore.QTimer()         self.timer.timeout.connect(self.display)         #self.connect(self.timer, QtCore.SIGNAL('timeout()'), self.display)         self.timer.start(1000)         self.build_tray()         self.resize(220, 100)         self.central()         # 边框透明         self.hour.setFrameShape(QtWidgets.QFrame.NoFrame)         self.setWindowFlags(QtCore.Qt.FramelessWindowHint | QtCore.Qt.SubWindow | QtCore.Qt.WindowStaysOnTopHint)         # 透明处理，移动需要拖动数字         self.setAttribute(QtCore.Qt.WA_TranslucentBackground, True)         self.setMouseTracking(True)     def mousePressEvent(self, event):         if event.button() == QtCore.Qt.LeftButton:             self.dragPosition = event.globalPos() - self.frameGeometry().topLeft()             event.accept()     def mouseMoveEvent(self, event):         if event.buttons() == QtCore.Qt.LeftButton:             self.move(event.globalPos() - self.dragPosition)             event.accept()     def build_tray(self):         self.trayIcon = QtWidgets.QSystemTrayIcon(self)         self.trayIcon.setIcon(QtGui.QIcon('resource/logo.png'))         self.trayIcon.show()         self.trayIcon.setToolTip('时钟 -LiKui')         self.trayIcon.activated.connect(self.trayClick)         menu = QtWidgets.QMenu()         normalAction = menu.addAction('正常显示')         miniAction = menu.addAction('最小化托盘')         exitAction = menu.addAction('退出')         normalAction.triggered.connect(self.showNormal)         exitAction.triggered.connect(self.exit)         miniAction.triggered.connect(self.showMinimized)         self.trayIcon.setContextMenu(menu)     def exit(self):         # 不设置Visible为False，退出后TrayIcon不会刷新         self.trayIcon.setVisible(False)         sys.exit(0)     def trayClick(self, reason):         if reason == QtWidgets.QSystemTrayIcon.DoubleClick:             self.showNormal()             self.repaint()     def display(self):         current = QtCore.QTime.currentTime()         self.hour.display(current.toString('HH:mm:ss'))     def showNormal(self):         super(LcdTime, self).showNormal()         self.repaint()     def central(self):         screen = QtWidgets.QDesktopWidget().screenGeometry()         size = self.geometry()         self.move(screen.width() - size.width(), 0) app = QtWidgets.QApplication(sys.argv) lcd = LcdTime() lcd.show() sys.exit(app.exec_())

 

 

转载于:https://www.cnblogs.com/lkpp/p/7400035.html

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