bug#19972: Font size change doesn't update (window-total-width)

[Jan D.]

Hi.



2 mar 2015 kl. 20:52 skrev Eli Zaretskii <eliz@gnu.org>:

>> Date: Mon, 02 Mar 2015 20:06:55 +0100
>> From: "Jan D." <jan.h.d@swipnet.se>
>> CC: steve@sanityinc.com, 19972@debbugs.gnu.org
>> 
>> Eli Zaretskii skrev 2015-03-02 18:56:
>>>> Date: Mon, 02 Mar 2015 18:42:56 +0100
>>>> From: "Jan D." <jan.h.d@swipnet.se>
>>>> CC: 19972@debbugs.gnu.org
>>>> 
>>>> No, the window manager denies the original frame resize.  There is no
>>>> "resizing back".
>>> 
>>> Where in the code does this denial happen?
>> 
>> In the window manager code.
> 
> I meant where/how does Emacs know that its request to resize was
> denied?

When an X window is resized, it gets a ConfigureNotify event.  When the resize 
is denied, no event arrives.  That is why Emacs on X only considers 
ConfigureNotify as resizes.  If lisp code tries to resize, we make the request, 
but nothing is updated until we get a ConfigureNotify.

      Jan D.