PyQt5--TextDrag

# -*- coding:utf-8 -*-
'''
Created on Sep 21, 2018

@author: SaShuangYiBing

Comment: 
'''
import sys
from PyQt5.QtWidgets import QApplication,QWidget,QPushButton,QLineEdit

class Button(QPushButton):
    def __init__(self,title,parent):
        super().__init__(title,parent)
        self.setAcceptDrops(True)
        
    def dragEnterEvent(self,e):
        if e.mimeData().hasFormat('text/Plain'):
            e.accept()
        else:
            e.ignore()
    
    def dropEvent(self,e):
        self.setText(e.mimeData().text())

class New_test(QWidget):
    def __init__(self):
        super().__init__()
        self.initUI()
        
    def initUI(self):
        edit = QLineEdit('',self)
        edit.setDragEnabled(True)
        edit.move(30,65)
        
        button = Button('Button',self)
        button.move(190,65)
        
        self.setWindowTitle('Simple drag & drop')
        self.setGeometry(300,300,300,150)
        self.show()
        
if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = New_test()
    sys.exit(app.exec_())
        

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