Re: Bug in NSAttributedString (?)

[Adam Fedor]

This seems to occur in any NSTextField that is selectable but not 
editable, where the fieldEditor(NSTextView) refused to set it's string, 
dut to this:

diff -u -r1.114 NSTextView.m
--- NSTextView.m        29 Oct 2002 04:54:44 -0000      1.114
+++ NSTextView.m        2 Nov 2002 19:46:28 -0000
@@ -2255,8 +2255,8 @@
 - (BOOL) shouldChangeTextInRange: (NSRange)affectedCharRange
               replacementString: (NSString*)replacementString
 {
   if (_tf.is_editable == NO)
     return NO;

... but then later on tries to access the string. There's a big warning 
before this method that says it should always return NO when not 
editable to make sure the user can't change the string, but simply 
commenting out those two lines seems to work fine and there was no way 
that I could figure out that would change the string.

Does anyone who might no more about this have any comments?

Chris B. Vetter wrote:
> On 2002-10-26 19:23:33 -0700 Adam Fedor <fedor@doc.com> wrote:
>
> > Chris B. Vetter wrote:
> >
> > > Hi,
> > > not sure if this is a known bug, though:
> > > Clicking the text in any NSPanel (eg. for a copy&paste) will raise an
> > > Exception with
> > >      "RangeError in method 
> > > -attribute:atIndex:longestEffectiveRange:inRange:
> > >       in class NSAttributedString"
> > > I'm using a CVS checkout from today (Monday) but noticed the same 
> > > problem
> > > in last Friday's checkout as well.
> >
> > I don't get this problem, unless I'm not following your instructions 
> > correctly. Can you provide a backtrace? Or perhaps instructions for 
> > making this happen on one of the example apps or something similar.
>
>
> Uhm, sorry for the delay...
>
> I talked to some on #GNUstep about it and they  all (Alex, Jeff and 
> Ludovic) confirmed
> it. Contrary to what I said above, this only seems to happen in Alert 
> Panels, eg. start
> GNUMail, click "Check for new Version" then try to mark the "no new 
> version available"
> (or whatever GNUMail says) and you'll get the Exception.
> Another example would be ProjectCenter, when you click "Quit". Try to 
> mark the "Do
> you really want to quit?" text - voila.


--
Adam Fedor, Digital Optics Corp.      | I'm glad I hate spinach, because
http://www.doc.com                    | if I didn't, I'd eat it, and you
                                      | know how I hate the stuff.