Focus refers to the widget or window which is currently receiving keyboard input. Widgets can also grab focus, preventing mouse movements or keystrokes outside their bounds.
Tkinter gives us these widget methods for managing focus and grab, some of which are useful for running tests:
|
Method
|
Description
|
| focus_set() | Focuses the widget whenever its window next gains focus |
| focus_force() | Focuses a widget and the window it's in, immediately |
| grab_set() | The widget grabs all events for the application |
| grab_set_global() | The widget grabs all screen events |
| grab_release() | The widget relinquishes its grab |
In a test environment, we can use these methods to make sure that our generated keyboard and mouse events ...
