[PyQt] Drag items across tabs

[Axel_Erfurt]

forget the last post. It's so easy

setChangeCurrentOnDrag

import sys
from PyQt5 import QtCore, QtGui, QtWidgets
 
 
class Main(QtWidgets.QMainWindow):
    def __init__(self, parent):
        super().__init__()

        self.setAttribute(QtCore.Qt.WA_TransparentForMouseEvents)
        self.tab1 = QtWidgets.QTreeWidget()
        self.tab2 = QtWidgets.QTreeWidget()
        self.tab3 = QtWidgets.QTreeWidget()
        self.tabIndex = 0
        item = QtWidgets.QTreeWidgetItem()
        item.setText(0, "drag me")
        self.tab1.addTopLevelItem(item)
        self.tab1.setDragDropMode(QtWidgets.QAbstractItemView.DragOnly)
        self.TabBar = QtWidgets.QTabBar()

        self.ui = QtWidgets.QWidget(self)
        self.ui.tab = QtWidgets.QTabWidget(self)
        self.ui.tab.setTabBar(self.TabBar)
        self.ui.tab.addTab(self.tab1, "1st tab")
        self.ui.tab.addTab(self.tab2, "2nd tab")
        self.ui.tab.addTab(self.tab3, "3rd tab")
        self.tab2.setDragDropMode(QtWidgets.QAbstractItemView.DragDrop)
        self.tab3.setDragDropMode(QtWidgets.QAbstractItemView.DragDrop)
        self.ui.layout = QtWidgets.QVBoxLayout()
        self.ui.layout.addWidget(self.ui.tab)
        self.ui.setLayout(self.ui.layout)
        self.setCentralWidget(self.ui)

        self.TabBar.setCurrentIndex(self.tabIndex)
        self.TabBar.setChangeCurrentOnDrag(True)
        self.TabBar.setAcceptDrops(True)

        self.setAcceptDrops(True)
        self.show()

 
if __name__== '__main__':
    app = QtWidgets.QApplication(sys.argv)
    gui = Main(app)
    sys.exit(app.exec_())