From: martin rudalics <rudalics@gmx.at>
To: amosbird@gmail.com
Cc: help-gnu-emacs@gnu.org
Subject: Re: How can I force updating mini window's header line when mode line is updated?
Date: Thu, 26 Apr 2018 09:04:54 +0200 [thread overview]
Message-ID: <5AE17A16.7060906@gmx.at> (raw)
> Emacs code has deep assumption of mini window having only one line.
This is not entirely correct. As long as other windows on the same
frame fit, a minibuffer window can get quite large (see
'max-mini-window-height'). But in some parts of the window and
redisplay code we assume that minibuffer windows behave like pseudo
windows (those used for displaying the tool bar or the menu bar on
some platforms) or internal windows - they can't have dividers, a mode
or a header line because these are simply not counted when displaying
the window or calculating its height. That's why you observe that
> After I turn on the header line, things become messy.
For example, 'window_wants_header_line' in window.c cannot deal with
that.
> I'll try
> collecting all the hard-coded logic and see if this route indeed
> works.
Good idea. Note that I'm currently changing a number of things
related to minibuffer windows which, among others, should allow them
to appear anywhere on a frame or even not being displayed at all. So
I do not think that displaying the mode line of a frame within the
minibuffer window is a good idea in the first place. Even presently,
people who use standalone minibuffer frames might not be very
enthralled by the idea that they have to look on their minibuffer
frame for consulting the mode line contents.
I think that if we want frame-local modelines which, IIUC should
display the mode line contents of the frame's selected window, it
might be a better idea to add a new kind of pseudo window on top or
bottom of a frame for that.
martin
next reply other threads:[~2018-04-26 7:04 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-26 7:04 martin rudalics [this message]
2018-04-27 2:52 ` How can I force updating mini window's header line when mode line is updated? Amos Bird
2018-06-27 15:14 ` John Yates
2018-06-28 7:37 ` martin rudalics
-- strict thread matches above, loose matches on Subject: below --
2018-04-25 12:41 Amos Bird
2018-04-25 16:10 ` Eli Zaretskii
2018-04-25 17:12 ` Amos Bird
2018-04-25 16:20 ` Stefan Monnier
2018-04-25 17:16 ` Amos Bird
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