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python+PyQT实现系统桌面时钟

时间:2021-04-20 00:43     来源/作者:智元元

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

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