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.

__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 Quit 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_( ))

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本文标题: python+PyQT实现系统桌面时钟

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