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[3.12] gh-75666: Tkinter: "unbind(sequence, funcid)" now only unbinds "funcid" (GH-111322) (GH-112802)

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Previously, "widget.unbind(sequence, funcid)" destroyed the current binding
for "sequence", leaving "sequence" unbound, and deleted the "funcid"
command.

Now it removes only "funcid" from the binding for "sequence", keeping
other commands, and deletes the "funcid" command.
It leaves "sequence" unbound only if "funcid" was the last bound command.

(cherry picked from commit cc7e45cc57)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: GiovanniL <13402461+GiovaLomba@users.noreply.github.com>
This commit is contained in:
Miss Islington (bot) 2023-12-06 16:12:37 +01:00 • committed by GitHub
parent 399a3f2e1e
commit f189bd3e83
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3 changed files with 52 additions and 12 deletions
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22
Lib/tkinter/__init__.py
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@ -1448,10 +1448,24 @@ class Misc:
return self._bind(('bind', self._w), sequence, func, add)
def unbind(self, sequence, funcid=None):
"""Unbind for this widget for event SEQUENCE the
function identified with FUNCID."""
self.tk.call('bind', self._w, sequence, '')
if funcid:
"""Unbind for this widget the event SEQUENCE.
If FUNCID is given, only unbind the function identified with FUNCID
and also delete the corresponding Tcl command.
Otherwise destroy the current binding for SEQUENCE, leaving SEQUENCE
unbound.
"""
if funcid is None:
self.tk.call('bind', self._w, sequence, '')
else:
lines = self.tk.call('bind', self._w, sequence).split('\n')
prefix = f'if {{"[{funcid} '
keep = '\n'.join(line for line in lines
if not line.startswith(prefix))
if not keep.strip():
keep = ''
self.tk.call('bind', self._w, sequence, keep)
self.deletecommand(funcid)
def bind_all(self, sequence=None, func=None, add=None):