Adds a button with the given text and sets things up so that clicking the button will emit the
response signal with the given response_id.
The button is appended to the end of the dialog’s action area. The button widget is returned, but usually you don’t need it.
| this |
a Dialog |
| button_text |
text of button |
| response_id |
response ID for the button |
|
the Button widget that was added |