diff options
Diffstat (limited to 'Lib/tkinter')
| -rw-r--r-- | Lib/tkinter/__init__.py | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/Lib/tkinter/__init__.py b/Lib/tkinter/__init__.py index cb3e5f1..c47c8c2 100644 --- a/Lib/tkinter/__init__.py +++ b/Lib/tkinter/__init__.py @@ -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): |