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Re: Menus with more items than the TTY can display

From: Eli Zaretskii
Subject: Re: Menus with more items than the TTY can display
Date: Sun, 20 Oct 2013 22:27:49 +0300

> Date: Sun, 20 Oct 2013 20:41:43 +0200
> From: martin rudalics <address@hidden>
> CC: address@hidden
> > Interesting.  Does anything change in the 22.21.0 frame case if you
> > customize tty-menu-enabled-face to not have the bold attribute, and/or
> > use the same color as the tty-menu-disabled-face?
> The problem persists without bold attributes and when using the same
> faces for enabled and disabled items.


So, to summarize what we discovered until now:

  . The problem seems to happen because, for some reason, the cursor
    does not keep its horizontal coordinate, and Emacs is not aware of
    that.  If cursor motion commands emitted by Emacs explicitly
    specify an x-coordinate, the problem disappears.

  . This seems to happen only when output is delivered at high rate to
    the screen, and seems to disappear when output is slowed down,
    e.g. by hitting GDB breakpoints, even if their commands
    immediately continue the debuggee.

  . Enlarging the frame by merely 2 lines, to 26 lines overall, makes
    the problem disappear.

  . Faces used to display the menus don't have any effect on the

Anything else?

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