How to Open multiple window in mainwindow in PyQT using MDI-
To open multiple window in pyqt, you can MDI features, which enable multiple window within the mainwindow.
Here we attached output of 3 Coding parts which we will covers in this tutorial.
Type 1 :
When you click Subwindow, it display list of subwindow, after clicking on subwindow 1 new child window open within main window as per screenshot
Type 2 :
In this new child window open separate from mainwindow
Type 3 :
In this we load widget from current directory using textbox inside the main window and it published message when file exist if not exist in current directory then show error.
In Previous blog we covers how to install PyQT and how to work with client and server to publish message.
Here we attached a link, you can read these previous blog before start it -
Python GUI with PyQT- How to import UI file from the current directory to PyQT GUI
Paho MQTT Python Client with PyQT - subscribes to a topic and publishes messages on that topic using Paho MQTT Python Client.
Here we provide complete codes in different types format so you can understand it easily.
Here we add different types of code to open child window using MDI.
Type - 1
Type - 2
Open child window using main window button
Type - 3
Give file name which located in current directory using text box, it search if file exist and widget window open in main window and publish message in cmd and not exists then give error and not open widget window in main window
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