Re: (setq tool-bar-button-margin 0) makes GTK Emacs go crazy

[Jan Djärv]

Katsumi Yamaoka skrev:
>>>>>> In <address@hidden> Katsumi Yamaoka wrote:
> 
>> Oops.  Now I don't see the tool bar flickering, and all seem to be
>> going well.  I will report if I find the condition to reproduce it.
> 
> I found.  I attached two Lisp forms below.  To reproduce it,
> eval the form1 first and eval the form2 several times.  (I've
> made a similar code in the emacs-w3m CVS, however I might have
> to delete it.)
> 
> --8<---------------cut here---------------start------------->8---
> ;; form1
> (let ((buf (get-buffer-create "*testing*"))
>       (cur (selected-frame)))
>   (select-frame (make-frame))
>   (switch-to-buffer buf)
>   (make-local-variable 'tool-bar-button-margin)
>   (select-frame-set-input-focus cur))
> 
> ;; form2
> (with-current-buffer "*testing*"
>   (setq tool-bar-button-margin (random 10)))
> --8<---------------cut here---------------end--------------->8---
> 
> This is a special case anyway, so I don't mind even though it is
> not fixed.

It seems that wen random returns 4 or less (i.e. Gtk+ margin 0) I get no
flickering.  But everything above 4 gives some flickering.  I'll see if I can
find it.  It might not make it to the release though.

        Jan D.