# -*- coding: cp936 -*-

#!/usr/bin/env python

# -*- coding:utf-8 -*-

from PyQt4 import QtCore, QtGui

class Window(QtGui.QMainWindow):

     def __init__(self):

         super(Window, self).__init__()

         self.setWindowTitle(u"托盘")

         icon = QtGui.QIcon("images/diamond.ico")

         self.setWindowIcon(icon)

         self.isTopLevel()

         self.trayIcon = QtGui.QSystemTrayIcon(self)

         self.trayIcon.setIcon(icon)

         self.trayIcon.show()

         self.trayIcon.activated.connect(self.trayClick) #点击托盘 

         self.trayIcon.setToolTip(u"托盘小程序") #托盘信息

         self.Menu() #右键菜单

     def Menu(self):

         self.minimizeAction = QtGui.QAction(u"最小化", self,triggered=self.hide)

         self.maximizeAction = QtGui.QAction(u"最大化",self,triggered=self.showMaximized)

         self.restoreAction = QtGui.QAction(u"还原", self,triggered=self.showNormal)

         self.quitAction = QtGui.QAction(u"退出", self,triggered=QtGui.qApp.quit)

         self.trayIconMenu = QtGui.QMenu(self)

         self.trayIconMenu.addAction(self.minimizeAction)

         self.trayIconMenu.addAction(self.maximizeAction)

         self.trayIconMenu.addAction(self.restoreAction)

         self.trayIconMenu.addSeparator() #间隔线

         self.trayIconMenu.addAction(self.quitAction)

         self.trayIcon.setContextMenu(self.trayIconMenu) #右击托盘 

     def closeEvent(self, event):

         if self.trayIcon.isVisible():

              self.hide()

              event.ignore()

     def trayClick(self,reason):

        if reason==QtGui.QSystemTrayIcon.DoubleClick: #双击

              self.showNormal()

        elif reason==QtGui.QSystemTrayIcon.MiddleClick: #中击

              self.showMessage()

        else:

              pass

     def showMessage(self):

        icon=QtGui.QSystemTrayIcon.Information

        self.trayIcon.showMessage(u"提示信息",u"点我干嘛？",icon)

if __name__ == ‘__main__‘:

    import sys

    app = QtGui.QApplication(sys.argv)

    frm = Window()

    frm.show()

    sys.exit(app.exec_())

 如图:

pyqt最小化学习