Re: Emphasizing the top of the frame

[Eli Zaretskii]

> Date: Wed, 26 Oct 2016 19:56:07 +0200
> From: martin rudalics <address@hidden>
> CC: address@hidden, address@hidden
> 
>  >> But for that it (1) has to "walk the window tree as well" and (2) know
>  >> where to draw the minibuffer window.
>  >
>  > No, it doesn't.  The window glyph matrices on TTY frames are actually
>  > portions of the frame glyph matrix, so whenever a window's glyphs are
>  > updated by xdisp.c, the corresponding glyphs of the frame are
>  > automagically updated as well.
> 
> Looks like changing the minibuffer position is harder for TTY frames.

I'm not sure.  I don't see any signs of that, but it's always possible
that I'm missing something.

> As a matter of fact, there are a few more in window.c - foreach_window,
> mark_window_cursors_off, window_set_before_size_change_sizes,
> window_size_changed and get_leaf_windows.  So I suppose that John should
> try hard to _not_ change the relative order of the root and minibuffer
> window and hope that interchanging the coordinates (something he has to
> do anyway) will suffice.

Isn't it a requirement that the "next" window shall be always below or
to the right of its "prev"?