Qt5 Python GUI Programming Cookbook

How it works...

You can see that the click() event of the Push Button widget with the objectName property, pushButtonMoveDown, is connected to the startAnimation method; when the push button is clicked, the startAnimation method will be invoked. In the startAnimation method, you create an object of the QPropertyAnimation class and name it anim. While creating the QPropertyAnimation instance, you pass two arguments: the first is the Label widget to which you want to apply the animation, and the second is the property that defines the object's attribute to which you want to apply the animation to the object's attribute. Because you want to apply an animation to the ball's geometry, you pass b"geometry" as the second attribute while defining ...