Eli Zaretskii <eliz@gnu.org> writes:

>> Cc: 72791@debbugs.gnu.org
>> Date: Sun, 25 Aug 2024 10:32:47 +0800
>> From:  Po Lu via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> Thierry Volpiatto <thievol@posteo.net> writes:
>> 
>> > Hello,
>> >
>> > when Emacs is built with "--with-x-toolkit=lucid" a menu displayed by
>> > x-popup-menu and larger than (window-height) doesn't have a scroll bar.
>> > The part which is shown is the center part (first lines and last lines
>> > doesn't appear).  This doesn't happen with a default build (gtk).
>> >
>> > I don't know if it is a misfeature of Lucid or an emacs bug.
>> 
>> lwlib doesn't support this feature.  I suggest building with Motif.
>
> OK, but why (window-height)?  Is the intent to the frame height, or
> the height of the screen, perhaps?  I don't understand why the height
> of the menu should be limited by the window.

Yes, you are right, I meant the height of the screen.

-- 
Thierry