PyQt5: How to Re-Dock back a floated QDockWidget via a QPushButton?
问题 I which to bring back to initial state an Undocked or floated QDockWidget with a QPushButton. from PyQt5 import QtCore, QtGui, QtWidgets class Mainwindow(object): def setupUi(self, window): window.setObjectName("window") window.resize(309, 148) self.centralwidget = QtWidgets.QWidget(window) self.centralwidget.setObjectName("centralwidget") self.Undock_btn = QtWidgets.QPushButton(self.centralwidget) self.Undock_btn.setGeometry(QtCore.QRect(4, 4, 100, 22)) self.Undock_btn.setStyleSheet(