# 显示控件提示消息

import sys

from PyQt5.QtWidgets import QHBoxLayout,QMainWindow,QApplication,QToolTip,QPushButton,QWidget

from PyQt5.QtGui import QFont

class TooltipForm(QMainWindow):

    def __init__(self):

        super().__init__()

        self.initUI()

    def initUI(self):

        QToolTip.setFont(QFont('SansSerif',12))

        self.setToolTip('今天是<b>星期五</b>')

        self.setGeometry(300,30,200,300)

        self.setWindowTitle('设置控件提示消息')

        self.button1 = QPushButton('我的按钮')

        self.button1.setToolTip('这是一个按钮，Are you ok？')

        layout = QHBoxLayout()

        layout.addWidget(self.button1)

        mainFrame = QWidget()

        mainFrame.setLayout(layout)

        self.setCentralWidget(mainFrame)

if __name__ == '__main__':

    app = QApplication(sys.argv)

    main = TooltipForm()

    main.show()

    sys.exit(app.exec_())