Bài 5: QMainWindow và kỹ thuật kế thừa để tùy chỉnh Signals/Slots trong PyQt6 và Qt Designer

# Form implementation generated from reading ui file 'MyQMainWindow.ui'
#
# Created by: PyQt6 UI code generator 6.4.2
#
# WARNING: Any manual changes made to this file will be lost when pyuic6 is
# run again.  Do not edit this file unless you know what you are doing.


from PyQt6 import QtCore, QtGui, QtWidgets


class Ui_MainWindow(object):
    def setupUi(self, MainWindow):
        MainWindow.setObjectName("MainWindow")
        MainWindow.resize(565, 245)
        font = QtGui.QFont()
        font.setPointSize(11)
        MainWindow.setFont(font)
        self.centralwidget = QtWidgets.QWidget(parent=MainWindow)
        self.centralwidget.setObjectName("centralwidget")
        self.pushButtonSendName = QtWidgets.QPushButton(parent=self.centralwidget)
        self.pushButtonSendName.setGeometry(QtCore.QRect(40, 130, 151, 41))
        self.pushButtonSendName.setObjectName("pushButtonSendName")
        self.label = QtWidgets.QLabel(parent=self.centralwidget)
        self.label.setGeometry(QtCore.QRect(20, 10, 151, 41))
        font = QtGui.QFont()
        font.setPointSize(15)
        self.label.setFont(font)
        self.label.setObjectName("label")
        self.lineEditName = QtWidgets.QLineEdit(parent=self.centralwidget)
        self.lineEditName.setGeometry(QtCore.QRect(40, 70, 491, 31))
        self.lineEditName.setObjectName("lineEditName")
        self.pushButtonVisitBlog = QtWidgets.QPushButton(parent=self.centralwidget)
        self.pushButtonVisitBlog.setGeometry(QtCore.QRect(210, 130, 151, 41))
        self.pushButtonVisitBlog.setObjectName("pushButtonVisitBlog")
        self.pushButtonExit = QtWidgets.QPushButton(parent=self.centralwidget)
        self.pushButtonExit.setGeometry(QtCore.QRect(380, 130, 151, 41))
        self.pushButtonExit.setObjectName("pushButtonExit")
        MainWindow.setCentralWidget(self.centralwidget)
        self.menubar = QtWidgets.QMenuBar(parent=MainWindow)
        self.menubar.setGeometry(QtCore.QRect(0, 0, 565, 31))
        self.menubar.setObjectName("menubar")
        MainWindow.setMenuBar(self.menubar)
        self.statusbar = QtWidgets.QStatusBar(parent=MainWindow)
        self.statusbar.setObjectName("statusbar")
        MainWindow.setStatusBar(self.statusbar)

        self.retranslateUi(MainWindow)
        QtCore.QMetaObject.connectSlotsByName(MainWindow)

    def retranslateUi(self, MainWindow):
        _translate = QtCore.QCoreApplication.translate
        MainWindow.setWindowTitle(_translate("MainWindow", "Tran Duy Thanh - QMainWindow"))
        self.pushButtonSendName.setText(_translate("MainWindow", "Send Name"))
        self.label.setText(_translate("MainWindow", "Your Name:"))
        self.lineEditName.setText(_translate("MainWindow", "Tran Duy Thanh"))
        self.pushButtonVisitBlog.setText(_translate("MainWindow", "Visit Blog"))
        self.pushButtonExit.setText(_translate("MainWindow", "Exit"))

from PyQt6.QtWidgets import QMessageBox

from MyQMainWindow import Ui_MainWindow

class MyQMainWindowExt(Ui_MainWindow):
    #override setupUi
    #just define attribute MainWindow for reuse in later
    def setupUi(self, MainWindow):
        super().setupUi(MainWindow)
        self.MainWindow=MainWindow
    #define methods for assigning Signals and Slots
    def processSignalAndSlot(self):
        self.pushButtonExit.clicked.connect(self.processExit)
    #define slot exit window
    def processExit(self):
        dlg = QMessageBox(self.MainWindow)
        dlg.setWindowTitle("Exit Confirmation")
        dlg.setText("Are you sure you want to Exit?")
        dlg.setStandardButtons(
            QMessageBox.StandardButton.Yes
            | QMessageBox.StandardButton.No
        )
        dlg.setIcon(QMessageBox.Icon.Question)
        button = dlg.exec()
        # check the user confirmation
        button = QMessageBox.StandardButton(button)
        if button == QMessageBox.StandardButton.Yes:
            self.MainWindow.close()
        else:
            pass#do nothing

from PyQt6.QtWidgets import QApplication, QMainWindow

from MyQMainWindowExt import MyQMainWindowExt
#Create QApplication instance
app=QApplication([])
#Create QMainWindow instance
qMainWindow=QMainWindow()
#Create MyQMainWindowExt instance
myWindow=MyQMainWindowExt()
#call setupUi method for MyQMainWindowExt
myWindow.setupUi(qMainWindow)
#call methods for Signal and slots processing
myWindow.processSignalAndSlot()
#call show method to show Window
qMainWindow.show()
#start Event loop
app.exec()

    #define methods for assigning Signals and Slots
    def processSignalAndSlot(self):
        self.pushButtonExit.clicked.connect(self.processExit)
        self.pushButtonVisitBlog.clicked.connect(self.openMyBlog)

    def openMyBlog(self):
        import webbrowser
        webbrowser.open('https://tranduythanh.com/')

from PyQt6.QtWidgets import QMessageBox

from MyQMainWindow import Ui_MainWindow

class MyQMainWindowExt(Ui_MainWindow):
    #override setupUi
    #just define attribute MainWindow for reuse in later
    def setupUi(self, MainWindow):
        super().setupUi(MainWindow)
        self.MainWindow=MainWindow
    #define methods for assigning Signals and Slots
    def processSignalAndSlot(self):
        self.pushButtonExit.clicked.connect(self.processExit)
        self.pushButtonVisitBlog.clicked.connect(self.openMyBlog)
    #define slot exit window
    def processExit(self):
        dlg = QMessageBox(self.MainWindow)
        dlg.setWindowTitle("Exit Confirmation")
        dlg.setText("Are you sure you want to Exit?")
        dlg.setStandardButtons(
            QMessageBox.StandardButton.Yes
            | QMessageBox.StandardButton.No
        )
        dlg.setIcon(QMessageBox.Icon.Question)
        button = dlg.exec()
        # check the user confirmation
        button = QMessageBox.StandardButton(button)
        if button == QMessageBox.StandardButton.Yes:
            self.MainWindow.close()
        else:
            pass#do nothing
    def openMyBlog(self):
        import webbrowser
        webbrowser.open('https://tranduythanh.com/')