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python3+PyQt5 implements drag and drop function

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Release： 2018-04-24 11:46:45

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This article mainly introduces the drag-and-drop function of python3 PyQt5 to everyone in detail. It has certain reference value. Interested friends can refer to it.

This article is a review of "Python Qt GUI Rapid Programming" The drag-and-drop example in Chapter 10 is rewritten in Python3 PyQt5, and the chart list, table, etc. are dragged and dropped to each other. The basic principles are the same, and setAcceptDrops(True) and setDragEnabled(True) are used.

#!/usr/bin/env python3
import os
import sys
from PyQt5.QtCore import Qt
from PyQt5.QtWidgets import (QApplication, QDialog, QHBoxLayout,
  QListWidget, QListWidgetItem, QSplitter, QTableWidget)
from PyQt5.QtGui import QIcon

class Form(QDialog):

 def __init__(self, parent=None):
  super(Form, self).__init__(parent)

  listWidget = QListWidget()
  listWidget.setAcceptDrops(True)
  listWidget.setDragEnabled(True)

  path = os.path.dirname(__file__)
  for image in sorted(os.listdir(os.path.join(path, "images"))):
   if image.endswith(".png"):
    item = QListWidgetItem(image.split(".")[0].capitalize())
    item.setIcon(QIcon(os.path.join(path,
         "images/{0}".format(image))))
    listWidget.addItem(item)
  iconListWidget = QListWidget()
  iconListWidget.setAcceptDrops(True)
  iconListWidget.setDragEnabled(True)
  iconListWidget.setViewMode(QListWidget.IconMode)     

  tableWidget = QTableWidget()
  tableWidget.setRowCount(5)
  tableWidget.setColumnCount(2)
  tableWidget.setHorizontalHeaderLabels(["Column #1", "Column #2"])
  tableWidget.setAcceptDrops(True)
  tableWidget.setDragEnabled(True)

  splitter = QSplitter(Qt.Horizontal)
  splitter.addWidget(listWidget)
  splitter.addWidget(iconListWidget)
  splitter.addWidget(tableWidget)
  layout = QHBoxLayout()
  layout.addWidget(splitter)
  self.setLayout(layout)

  self.setWindowTitle("Drag and Drop")

if __name__ == "__main__":
 app = QApplication(sys.argv)
 form = Form()
 form.show()
 app.exec_()

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