PyQt5 桌面小工具

# -*- coding: utf-8 -*-
from PyQt5 import QtWidgets as  QtGui
from PyQt5 import QtCore
from PyQt5.QtGui import *
import os
import sys
import subprocess
from multiprocessing import Process

class Tray_(QtGui.QLabel):
    def __init__(self, parent=None):
        QtGui.QLabel.__init__(self, parent)
   
        self.setWindowTitle("Tray!")
        self.setAcceptDrops(True)
        self.setWindowFlags(QtCore.Qt.WindowStaysOnTopHint)
        self.setAttribute(QtCore.Qt.WA_TranslucentBackground)
        self.setWindowFlags(QtCore.Qt.FramelessWindowHint | QtCore.Qt.Tool)
        self.setAttribute(QtCore.Qt.WA_TranslucentBackground);
        self.setWindowOpacity(1)

        self._image=QtGui.QLabel()
        self._pic=QPixmap('timg.png')
        self._image.setPixmap(self._pic)
        self._image.setMask(self._pic.mask())
        layout = QtGui.QVBoxLayout()
        layout.addWidget(self._image,4)
        self.setLayout(layout)  
        self._image.