Function setup_main_window

bank_managment_system/QTFrontend.py:1098–1743

Set up the main window with a stacked widget containing home, admin, and employee pages.

(main_window: QtWidgets.QMainWindow)

def setup_main_window(main_window: QtWidgets.QMainWindow):
    """Set up the main window with a stacked widget containing home, admin, and employee pages."""
    main_window.setObjectName("MainWindow")
    main_window.resize(800, 600)
    main_window.setStyleSheet("background-color: #f0f2f5;")

    central_widget = QtWidgets.QWidget(main_window)
    main_layout = QtWidgets.QHBoxLayout(central_widget)

    stacked_widget = QtWidgets.QStackedWidget(central_widget)

    # Create pages
    def switch_to_admin():
        stacked_widget.setCurrentIndex(ADMIN_PAGE)

    def switch_to_employee():
        stacked_widget.setCurrentIndex(EMPLOYEE_PAGE)

    def exit_app():
        QtWidgets.QApplication.quit()

    def admin_login_menu_page(name, password):
        try:
            # Ideally, here you'd call a backend authentication check
            success = backend.check_admin(name, password)
            if success:
                QtWidgets.QMessageBox.information(
                    stacked_widget, "Login Successful", f"Welcome, {name}!"
                )
                stacked_widget.setCurrentIndex(ADMIN_MENU_PAGE)
            else:
                QtWidgets.QMessageBox.warning(
                    stacked_widget, "Login Failed", "Incorrect name or password."
                )
        except Exception as e:
            QtWidgets.QMessageBox.critical(
                stacked_widget, "Error", f"An error occurred during login: {str(e)}"
            )
            # show_popup_message(stacked_widget,"Invalid admin credentials",0)

    def add_employee_form_submit(name, password, salary, position):
        if (
            len(name) != 0
            and len(password) != 0
            and len(salary) != 0
            and len(position) != 0
        ):
            backend.create_employee(name, password, salary, position)
            show_popup_message(
                stacked_widget, "Employee added successfully", ADMIN_MENU_PAGE
            )

        else:
            print("Please fill in all fields")
            show_popup_message(
                stacked_widget, "Please fill in all fields", ADD_EMPLOYEE_PAGE
            )