Bugs item #799428, was opened at 2003-09-02 23:58
Message generated for change (Comment added) made by douardda
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Category: Tkinter
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Perry Greenfield (perrygreenfield)
Assigned to: Nobody/Anonymous (nobody)
Summary: tk_focusNext() fails
Initial Comment:
Calls to the widget method tk_focusNext() fail with
"unsubscriptable object" error. Looking at the Tkinter.py
code for the routine shows this statement:
name = self.tk.call('tk_focusNext', self._w)
(line 433)
which used to return a string in 2.2 but now returns
a "cmdName object". When this is passed to
self._nametowidget(name), it fails when it tries to
subscript name (line 1006) since the object does
not support indexing. Perhaps str(name) or
name.string is more appropriate now? (when
that change is made, it works--well, I tested
name.string and that worked)
Perry Greenfield ([EMAIL PROTECTED])
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Comment By: David Douard (douardda)
Date: 2005-11-09 16:03
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The problem is still not resolved for now (AFAIK).
Here is a very simple patch for Tkinter.py:
*** 432,442 ****
--- 432,446 ----
to 0."""
name = self.tk.call('tk_focusNext', self._w)
if not name: return None
+ try: name=name.string
+ except: pass
return self._nametowidget(name)
def tk_focusPrev(self):
"""Return previous widget in the focus order. See
tk_focusNext for details."""
name = self.tk.call('tk_focusPrev', self._w)
if not name: return None
+ try: name=name.string
+ except: pass
return self._nametowidget(name)
def after(self, ms, func=None, *args):
"""Call function once after given time.
Note: I have made this (try/except) cause I have encountered
cases where "name" was still a string (well, at least with
Python 2.3.1).
David (david.douard*gmail.com)
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Comment By: Jeff Epler (jepler)
Date: 2003-09-07 17:23
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Presumably, _nametowidget() should be modified to work properly with a
"cmdName object", rather than modifying each site that gets a widget
path from a tk command.
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Comment By: Perry Greenfield (perrygreenfield)
Date: 2003-09-03 15:29
Message:
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Presumably the same problem exists with tk_focusPrev.
----------------------------------------------------------------------
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