spacepaste

import sys
from PyQt5 import QtWidgets
from PyQt5.QtGui import QCursor
class MyTextEdit(QtWidgets.QTextEdit):
def __init__(self,parent=None):
super(MyTextEdit,self).__init__(parent)
def focusInEvent(self,event):
super(MyTextEdit,self).focusInEvent(event)
QtWidgets.QToolTip.showText(QCursor.pos(), 'tooltip')
class MainFrame(QtWidgets.QWidget):
def __init__(self):
super(MainFrame,self).__init__()
self.initUI()
def initUI(self):
self.te=MyTextEdit()
hlayout=QtWidgets.QHBoxLayout()
hlayout.addWidget(self.te)
hlayout.addStretch()
self.setLayout(hlayout)
self.show()
class MainWindow(QtWidgets.QMainWindow):
def __init__(self):
super(MainWindow,self).__init__()
self.main_frame=MainFrame()
self.setCentralWidget(self.main_frame)
self.setGeometry(100,100,800,600)
self.show()
if __name__=='__main__':
app=QtWidgets.QApplication(sys.argv)
mainwindow=MainWindow()
sys.exit(app.exec_())