Pyqt5 rapid development and practice 3.5 menu bar and toolbar

PyQt5 Rapid development and actual combat

3. The first 3 Chapter Qt Designer Use

3.5 Menu bar and toolbar

3.5.1 Interface design

Add Tool Bar

Drag in

ui Convert to py

3.5.2 Effect test

import sys
from PyQt5.QtWidgets import QApplication,QMainWindow,QWidget,QFileDialog

from MainForm import Ui_MainWindow

class MainForm(QMainWindow , Ui_MainWindow):
    def __init__(self):
        super(MainForm,self).__init__()
        self.setupUi(self)

        #  Menu click events , When you click the close menu, connect the slot function close
        self.fileCloseAction.triggered.connect(self.close)
        #  Menu click events , When you click to open the menu , Connection slot function openMsg()
        self.fileOpenAction.triggered.connect(self.openMsg)

    def openMsg(self):
        file , ok = QFileDialog.getOpenFileName(self," open ","C:/","All Files (*) ;; Text Files (*.txt)")
        # Displays the file address in the status bar 
        self.statusbar.showMessage(file)

if __name__ == '__main__':
    from pyqt5_plugins.examples.exampleqmlitem import QtCore
    QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)

    app = QApplication(sys.argv)
    win = MainForm()
    win.show()
    sys.exit(app.exec_())

Click on “ open ”

3.5.3 application ： Load other windows

A method of embedding another window in the current window .

Create a new normal window

Copy a MainForm

Add a fence layout

ui turn py

Call the main window class CallMainWin02.py

# -*- coding: utf-8 -*-

import sys
from PyQt5.QtWidgets import QApplication, QMainWindow, QWidget, QFileDialog
from MainForm2 import Ui_MainWindow
from ChildrenForm2 import Ui_ChildrenForm


class MainForm(QMainWindow, Ui_MainWindow):
    def __init__(self):
        super(MainForm, self).__init__()
        self.setupUi(self)

        # self.child = children() Generate child window instances self.child
        self.child = ChildrenForm()

        #  Menu click events , When you click the close menu, connect the slot function  close()
        self.fileCloseAction.triggered.connect(self.close)
        #  Menu click events , When you click to open the menu, connect the slot function  openMsg()
        self.fileOpenAction.triggered.connect(self.openMsg)

        #  Click on actionTst, The sub window will be displayed in the... Of the main window MaingridLayout in 
        self.addWinAction.triggered.connect(self.childShow)

    def childShow(self):
        #  Add child window 
        self.MaingridLayout.addWidget(self.child)
        self.child.show()

    def openMsg(self):
        file, ok = QFileDialog.getOpenFileName(self, " open ", "C:/", "All Files (*);;Text Files (*.txt)")
        #  Displays the file address in the status bar 
        self.statusbar.showMessage(file)


class ChildrenForm(QWidget, Ui_ChildrenForm):
    def __init__(self):
        super(ChildrenForm, self).__init__()
        self.setupUi(self)


if __name__ == "__main__":
    from pyqt5_plugins.examples.exampleqmlitem import QtCore
    QtCore.QCoreApplication.setAttribute(QtCore.Qt.AA_EnableHighDpiScaling)
    app = QApplication(sys.argv)
    win = MainForm()
    win.show()
    sys.exit(app.exec_())