https://github.com/python/cpython/commit/01cab1119e40585a12096c1c82002749bd069985 commit: 01cab1119e40585a12096c1c82002749bd069985 branch: 3.15 author: Miss Islington (bot) <[email protected]> committer: serhiy-storchaka <[email protected]> date: 2026-06-27T11:47:07Z summary:
[3.15] gh-70273: Document default class bindings in tkinter (GH-152389) (GH-152393) Note in the Bindings and events section that every widget inherits Tk class bindings for its standard behavior, where they are documented, and how to suppress an unwanted one by returning "break" from a callback. (cherry picked from commit 4fd69ef97a67fc935e0d4f30662f2a1985ba6be9) Co-authored-by: Serhiy Storchaka <[email protected]> Co-authored-by: Claude Opus 4.8 <[email protected]> files: M Doc/library/tkinter.rst diff --git a/Doc/library/tkinter.rst b/Doc/library/tkinter.rst index c9c19c21e7358c..682d507c2d2d88 100644 --- a/Doc/library/tkinter.rst +++ b/Doc/library/tkinter.rst @@ -885,6 +885,20 @@ they are denoted in Tk, which can be useful when referring to the Tk man pages. | %d | detail | %D | delta | +----+---------------------+----+---------------------+ +The ``add`` parameter above only affects the bindings you make yourself. +Every widget also inherits *class bindings* +that implement its standard behavior -- +for example a :class:`Text` widget binds :kbd:`Control-t` +to transpose two characters. +These are described in the bindings section of the widget's Tk man page +(such as :manpage:`text(3tk)` or :manpage:`entry(3tk)`). + +Class bindings are processed separately from your own, +so binding an event yourself does not replace the default; both run. +To suppress an unwanted default binding, +bind the event on the widget +and return the string ``"break"`` from your callback. + The index parameter ^^^^^^^^^^^^^^^^^^^ _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
