QDockWidget实例

#!/usr/bin/python
# _*_ Coding: Utf-8 _*_

'''
    QDockWidget
    funcs:
        setAllowedAreas(Qt::DockWidgetAreas areas) --- set allowed areas for dock widget
        setFeatures(DockWidgetFeatures features) --- set movable, floatable and closable
        setTitleBarWidget(QWidget *widget), setWidget(QWidget *widget) --- set title widget and content widget
        currentIndex() and currentWidget() --- return index and widget of current
    slots:
        setCurrentIndex(int index)
        setCurrentWidget(QWidget *widget)
    signals:
        featuresChanged(QDockWidget::DockWidgetFeatures features)  --- features
        dockLocationChanged(Qt::DockWidgetArea area)  --- location
        allowedAreasChanged(Qt::DockWidgetAreas allowedAreas)  --- allowed area
        topLevelChanged(bool topLevel)  --- toplevel
        visibilityChanged(bool visible)  --- visibility
    --- edit by yangrui, 2020.2.13, 6.32 PM.
'''
import sys
from PyQt5.QtCore import *
from PyQt5.QtWidgets import (QApplication, QWidget, QDockWidget, QLabel, QComboBox)
from PyQt5.QtGui import *

class MystackedWidget(QWidget):
    qss = """
            #dockWidget {
                border: 1px solid #FA4F9B;
            }
            #label1 {
                background: #545D4F;
            }

            #label2 {
                background: #FAA45D;
            }
        """
    def __init__(self):
        super(MystackedWidget, self).__init__()
        self.initUI()

    def initUI(self):
        self.resize(300, 200)
        self.dockWidget = QDockWidget(self)
        self.dockWidget.setObjectName("dockWidget")
        label1 = QLabel("title bar widget")
        label1.setFixedSize(150, 20)
        label1.setObjectName("label1")
        label2 = QLabel("widget")
        label2.setFixedSize(150, 100)
        label2.setObjectName("label2")


        #self.dockWidget.setFloating(False)  # floatable
        self.dockWidget.setAllowedAreas(Qt.TopDockWidgetArea | Qt.BottomDockWidgetArea)  # Left, Right, Top, Bottom, No, All

        # set conbination of DockWidgetClosable, DockWidgetMovable and DockWidgetFloatable
        self.dockWidget.setFeatures(QDockWidget.DockWidgetClosable | QDockWidget.DockWidgetMovable | QDockWidget.DockWidgetFloatable)

        # set title bar widget and content widget
        #self.dockWidget.setTitleBarWidget(label1)
        self.dockWidget.setWidget(label2)

        '''
            signals
        '''
        self.dockWidget.topLevelChanged.connect(self.topLevel_handler)
        self.dockWidget.featuresChanged.connect(self.features_handler)
        self.dockWidget.allowedAreasChanged.connect(self.allowArea_handler)
        self.dockWidget.dockLocationChanged.connect(self.location_handler)
        self.dockWidget.visibilityChanged.connect(self.visibility_handler)

        self.setStyleSheet(self.qss)

    def topLevel_handler(self, isTopLevel):
        if isTopLevel:
            print("topLevel changed to " + str("true"))
        else:
            print("topLevel changed to " + str("false"))
    def features_handler(self, features):
        print("new features:", features)
    def allowArea_handler(self, allowArea):
        print("new allowed area: ", allowArea)
    def location_handler(self, area):
        print("new location: ", area)
    def visibility_handler(self, isVisible):
        if isVisible:
            print("dock widget is visible")
        else:
            print("dock widget isn't visible")

if __name__ == '__main__':
    app = QApplication(sys.argv)
    form = MystackedWidget()
    form.show()
    app.exec_()