用Python + PyQT写的一个系统桌面时钟，刚学习Python，写的比较简陋，但是基本的功能还可以。
功能：
①窗体在应用程序最上层，不用但是打开其他应用后看不到时间
②左键双击全屏，可以做小屏保使用，再次双击退出全屏。
③系统托盘图标，主要参考PyQt4源码目录中的PyQt4\examples\desktop\systray下的程序
④鼠标右键，将程序最小化
使用时需要heart.svg放在源代码同级目录下，[文件可在PyQt4示例代码目录下PyQt4\examples\desktop\systray\images找到
运行需要Python2.7 + PyQt4.
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__metaclass__ = type#!coding= utf-8 #http://blog.csdn.net/gatieme/article/details/17659259 #gatieme import sys from PyQt4.QtCore import *from PyQt4.QtGui import * #-------------------------------------------------------------------------------- class SystemTrayIcon(QSystemTrayIcon): """ The systemTrayIcon which uesd to connect the clock """ #---------------------------------------------------------------------------- def __init__(self, mainWindow, parent = None): """ mainWindow : the main window that the system tray icon serves to """ super(SystemTrayIcon, self).__init__(parent) self.window = mainWindow self.setIcon(QIcon("heart.svg")) # set the icon of the systemTrayIcon self.createActions( ) self.createTrayMenu( ) self.connect(self, SIGNAL("doubleClicked"), self.window, SLOT("showNormal")) #self.connect(self, SIGNAL("activated( )"), self, SLOT("slot_iconActivated")) def createActions(self): """ create some action to Max Min Normal show the window """ self.minimizeAction = QAction("Mi&nimize", self.window, triggered = self.window.hide) self.maximizeAction = QAction("Ma&ximize", self.window, triggered = self.window.showMaximized) self.restoreAction = QAction("&Restore", self.window, triggered = self.window.showNormal) self.quitAction = QAction("&Quit", self.window, triggered = qApp.quit) def createTrayMenu(self): self.trayIconMenu = QMenu(self.window) self.trayIconMenu.addAction(self.minimizeAction) self.trayIconMenu.addAction(self.maximizeAction) self.trayIconMenu.addAction(self.restoreAction) self.trayIconMenu.addSeparator( ) self.trayIconMenu.addAction(self.quitAction) self.setContextMenu(self.trayIconMenu) def setVisible(self, visible): self.minimizeAction.setEnabled(not visible) self.maximizeAction.setEnabled(not self.window.isMaximized()) self.restoreAction.setEnabled(self.window.isMaximized() or not visible) super(Window, self).setVisible(visible) def closeEvent(self, event): #if event.button( ) == Qt.RightButton: self.showMessage("Message", "The program will keep running in the system tray. To " "terminate the program, choose <b>Quit</b> in the " "context menu of the system tray entry.", QSystemTrayIcon.Information, 5000) self.window.hide( ) event.ignore( ) def slot_iconActivated(self, reason): if reason == QSystemTrayIcon.DoubleClick: self.wiondow.showNormal( ) #-------------------------------------------------------------------------------- class DigitClock(QLCDNumber): """ the DigitClock show a digit clock int the printer """ #---------------------------------------------------------------------------- def __init__(self, parent = None): """ the constructor function of the DigitClock """ super(DigitClock, self).__init__(parent) pale = self.palette( ) pale.setColor(QPalette.Window, QColor(100, 180, 100)) self.setPalette(pale) self.setNumDigits(19) self.systemTrayIcon = SystemTrayIcon(mainWindow = self) self.dragPosition = None; self.setWindowFlags(Qt.FramelessWindowHint | Qt.WindowStaysOnTopHint | Qt.Popup | Qt.Tool) self.setWindowOpacity(1) self.showTime( ) # print the time when the clock show self.systemTrayIcon.show( ) # show the SystemTaryIcon when the clock show self.timer = QTimer( ) self.connect(self.timer, SIGNAL("timeout( )"), self.showTime) self.timer.start(1000) self.resize(500, 60) #---------------------------------------------------------------------------- def showTime(self): """ show the current time """ self.date = QDate.currentDate( ) self.time = QTime.currentTime( ) text = self.date.toString("yyyy-MM-dd") + " " + self.time.toString("hh:mm:ss") self.display(text) #---------------------------------------------------------------------------- def mousePressEvent(self, event): """ clicked the left mouse to move the clock clicked the right mouse to hide the clock """ if event.button( ) == Qt.LeftButton: self.dragPosition = event.globalPos( ) - self.frameGeometry( ).topLeft( ) event.accept( ) elif event.button( ) == Qt.RightButton: self.systemTrayIcon.closeEvent(event) #self.systemTrayIcon.hide( ) #self.close( ) def mouseMoveEvent(self, event): """ """ if event.buttons( ) & Qt.LeftButton: self.move(event.globalPos( ) - self.dragPosition) event.accept( ) def keyPressEvent(self, event): """ you can enter "ESC" to normal show the window, when the clock is Maxmize """ if event.key() == Qt.Key_Escape and self.isMaximized( ): self.showNormal( ) def mouseDoubleClickEvent(self, event): """ """ if event.buttons() == Qt.LeftButton: if self.isMaximized( ): self.showNormal( ) else: self.showMaximized( ) if __name__ == "__main__": app = QApplication(sys.argv) digitClock = DigitClock( ) digitClock.show( ) sys.exit(app.exec_( )) |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/qq_41352018/article/details/80102659
