PyQT5 （五十七） QMdiArea 容纳多文档的窗口 的案例

QMdiArea 容纳多文档的窗口 的案例 QMdiSubWindow

import sys

from PyQt5.QtCore import Qt
from PyQt5.QtGui import QIcon
from PyQt5.QtWidgets import QApplication, QWidget, QTableWidget, QTableWidgetItem, QMenu, QVBoxLayout, QMainWindow, 
    QTreeWidget, QTreeWidgetItem, QHBoxLayout, QPushButton, QInputDialog, QDirModel, QTreeView, QTabWidget, QFormLayout, 
    QLineEdit, QRadioButton, QLabel, QCheckBox, QListWidget, QStackedWidget, QDockWidget, QMdiArea, QMdiSubWindow, 
    QTextEdit


QMdiArea 容纳多文档的窗口 的案例
QMdiSubWindow




class MultiWindows(QMainWindow):
    count = 0
    def __init__(self):
        super().__init__()
        self.initUI()

    def initUI(self):
        # 设置定位和左上角坐标
        self.setGeometry(300, 300, 360, 360)
        # 设置窗口标题
        self.setWindowTitle(QMdiArea 容纳多文档的窗口 的演示)
        # 设置窗口图标
        # self.setWindowIcon(QIcon(../web.ico))

        self.mdi = QMdiArea()
        self.setCentralWidget(self.mdi)
        bar = self.menuBar()
        file = bar.addMenu("File")
        file.addAction("New")
        file.addAction("cascade")
        file.addAction("Tiled")

        file.triggered.connect(self.windowaction)

    def windowaction(self,q):
        print(q.text())
        if q.text() == "New":
            MultiWindows.count = MultiWindows.count+1
            sub = QMdiSubWindow()
            sub.setWidget(QTextEdit())
            sub.setWindowTitle("子窗口"+str(MultiWindows.count))
            self.mdi.addSubWindow(sub)
            sub.show()
        elif q.text() == cascade:
            self.mdi.cascadeSubWindows()
        elif q.text() == Tiled:
            self.mdi.tileSubWindows()



if __name__ == __main__:
    app = QApplication(sys.argv)
    # 设置应用图标
    app.setWindowIcon(QIcon(../web.ico))
    w = MultiWindows()
    w.show()
    sys.exit(app.exec_())