Mastering GUI Programming with Python

QTabWidget

QTabWidget, sometimes known as a notebook widget in other toolkits, allows us to have multiple pages selectable by tabs. They're very useful for breaking complex interfaces into smaller chunks that are easier for users to take in.

The workflow for using QTabWidget is as follows:

1. Create the QTabWidget object
2. Build a UI page on a QWidget or other widget class
3. Add the page to the tab widget using the QTabWidget.addTab() method

Let's try that; first, create the tab widget:

        tab_widget = qtw.QTabWidget()        layout.addWidget(tab_widget)

Next, let's move the grid_layout we built under the Placing and arranging widgets section to a container widget:

        container = qtw.QWidget(self)        grid_layout = qtw.QGridLayout() # comment out this line: ...