QtWidget
QtWidget is a fundamental class within the Qt framework, serving as the base class for all user interface objects that can be displayed on the screen. It represents a rectangular area within a widget's parent and is responsible for handling user input, drawing itself, and managing its child widgets. Widgets are the building blocks of graphical user interfaces (GUIs) in Qt applications, and they can be as simple as a single button or as complex as an entire window.
Every visual element in a Qt GUI, from a push button and a text input field to
Key responsibilities of a QWidget include responding to user interactions such as mouse clicks, keyboard presses,