Adds a button with the given text.
GTK arranges things so that clicking the button will emit the [[email protected]:GtkDialog: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 `GtkDialog` |
button_text |
text of button |
response_id |
response ID for the button |
the `GtkButton` widget that was added |