#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import time
import win32api
import win32con
from PyQt4 import QtGui, QtCore
 
def led():
    
    print "Caps Locking...", time.asctime()
    win32api.keybd_event(win32con.VK_CAPITAL, 0, 0, 0)
    win32api.keybd_event(win32con.VK_CAPITAL, 0, win32con.KEYEVENTF_KEYUP, 0)
    
	
class WorkerThread(QtCore.QThread):
    def __init__(self, tray_icon):
        QtCore.QThread.__init__(self)
        self.tray_icon = tray_icon
        self._need_to_stop = False
 
    def run(self):
        self._need_to_stop = False
        self.tray_icon.showMessage('Test', 'Test message ')
        while not self._need_to_stop:
            print 'Doing work'
            
            led()
            
            time.sleep(1)
        print 'exiting'
        
        #QtGui.QApplication.quit()
 
    def stop(self):
        self._need_to_stop = True
    def st(self):
        QtGui.QApplication.quit()
def create_note(*args, **kw):
    worker.start()
def stoped(*args, **kw):
    worker.stop()
    
   
app = QtGui.QApplication(sys.argv)
tray = QtGui.QSystemTrayIcon(
    QtGui.QIcon(":/trolltech/styles/commonstyle/images/standardbutton-open-128.png")
)
worker = WorkerThread(tray)
menu = QtGui.QMenu()
menu.addAction("Caps Lock", create_note)
menu.addAction("Stop", stoped)
quit_action = menu.addAction('Quit')
quit_action.triggered.connect(worker.st)
tray.setContextMenu(menu)
tray.show()
app.exec_()