In this lesson, we are going to learn a popular feature – drag local files or browse url and drop them on a listbox widget in PyQt5.

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Source Code:

import sys, os
from PyQt5.QtWidgets import QApplication, QMainWindow, QListWidget, QListWidgetItem, QPushButton
from PyQt5.QtCore import Qt, QUrl

class ListBoxWidget(QListWidget):
    def __init__(self, parent=None):
        super().__init__(parent)
        self.setAcceptDrops(True)
        self.resize(600, 600)

    def dragEnterEvent(self, event):
        if event.mimeData().hasUrls:
            event.accept()
        else:
            event.ignore()

    def dragMoveEvent(self, event):
        if event.mimeData().hasUrls():
            event.setDropAction(Qt.CopyAction)
            event.accept()
        else:
            event.ignore()

    def dropEvent(self, event):
        if event.mimeData().hasUrls():
            event.setDropAction(Qt.CopyAction)
            event.accept()

            links = []
            for url in event.mimeData().urls():
                # https://doc.qt.io/qt-5/qurl.html
                if url.isLocalFile():
                    links.append(str(url.toLocalFile()))
                else:
                    links.append(str(url.toString()))
            self.addItems(links)
        else:
            event.ignore()

class AppDemo(QMainWindow):
    def __init__(self):
        super().__init__()
        self.resize(1200, 600)

        self.listbox_view = ListBoxWidget(self)

        self.btn = QPushButton('Get Value', self)
        self.btn.setGeometry(850, 400, 200, 50)
        self.btn.clicked.connect(lambda: print(self.getSelectedItem()))

    def getSelectedItem(self):
        item = QListWidgetItem(self.listbox_view.currentItem())
        return item.text()



if __name__ == '__main__':
    app = QApplication(sys.argv)

    demo = AppDemo()
    demo.show()

    sys.exit(app.exec_())