# coding: utf-8
import pythoncom#, win32clipboard
import pyHook
from PIL import ImageGrab
import time

def getFileName(ext="png"):
    return time.strftime("%Y%m%d%H%M%S",time.localtime()) + '.' + ext


def onKeyboardEvent(event):
    # 监听键盘事件
    """
    print "MessageName:", event.MessageName
    print "Message:", event.Message
    print "Time:", event.Time
    print "Window:", event.Window
    print "WindowName:", event.WindowName
    print "Ascii:", event.Ascii, chr(event.Ascii)
    print "Key:", event.Key
    print "KeyID:", event.KeyID
    print "ScanCode:", event.ScanCode
    print "Extended:", event.Extended
    print "Injected:", event.Injected
    print "Alt", event.Alt
    print "Transition", event.Transition
    print "---"
    """

    #print "KeyID:", event.KeyID
    #event.Key == "Snapshot":
    if event.KeyID == 44:
        """
        win32clipboard.OpenClipboard(0)
        #ll = [win32con.CF_DIBV5,win32con.CF_DIB,win32con.CF_BITMAP]
        ll = [2,8,17,5,0x0082,0x008E,14,15,16,3,7,9,6,13,12,10,11,4,1]
        formatid = win32clipboard.GetPriorityClipboardFormat(ll)
        print formatid
        s = win32clipboard.GetClipboardData(formatid)
        print s
        win32clipboard.CloseClipboard()
        """

        im = ImageGrab.grab()
        filename = getFileName()
        im.save(filename,'PNG')
        print "-" * 10
        print filename


    # 同鼠标事件监听函数的返回值
    return True

def main():
    # 创建一个“钩子”管理对象
    hm = pyHook.HookManager()

    # 监听所有键盘事件
    hm.KeyDown = onKeyboardEvent
    # 设置键盘“钩子”
    hm.HookKeyboard()


    # 进入循环，如不手动关闭，程序将一直处于监听状态
    pythoncom.PumpMessages()

if __name__ == "__main__":
    main()