From: Andrea Cardaci <cyrus.and@gmail.com>
To: emacs-devel@gnu.org
Cc: Eli Zaretskii <eliz@gnu.org>
Subject: Zoom: a window management minor mode -- best practices and questions
Date: Wed, 2 May 2018 18:31:11 +0200 [thread overview]
Message-ID: <CACMsj9Oe67HsyS0_vXA4GfGdNwYN8rejnU+szLT8wCRRf-yFHQ@mail.gmail.com> (raw)
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Hi,
This is a follow-up discussion for a bug I reported (
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=31312), since the
conversation was moving away from the bug itself I'm starting a new thread
as suggested by Eli.
> In that case, could you explain in more detail what zoom.el attempts
> to do
Zoom (https://github.com/cyrus-and/zoom) aims to enforce a fixed window
layout so that the selected window is always *big enough*. I think the
screencast at the project page is quite clear about the usage.
The implementation is very simple, every time a window change is *detected*
the following happens:
1. `balance-windows` is called;
2. the selected window is resized.
This, in practice, has the effect of disabling the manual resizing of
windows.
The problem is that to implement the "every time a window change is
detected" part I currently hook several functions, specifically:
(add-hook 'window-size-change-functions #'zoom--handler)
(advice-add #'select-window :after #'zoom--handler)
This is clearly an hack-ish solution but Zoom works fairly well most of the
times. On the other thread Martin suggested to replace `advice-add` with an
hook to `buffer-list-update-hook`, but the main issue remains that
`zoom--handler` actually resizes windows in the
`window-size-change-functions` hook.
Moreover, this solution causes the handler to be called several times and
most of them are useless. (Additional guards can be added but still...)
> and what does it need from Emacs core to be able to do that?
My knowledge of the Emacs internals is quite limited but at the highest
level of abstraction what AFAIK is missing is a way to enforce custom
window layouts and manage the windows size. This part seems quite fragile /
extremely hard to work with (just look at the implementation of
`balance-windows`). In addition to that there are some features that
further complicate the situation, e.g., side windows and not resizable
windows.
Said that, I'm definitely not in a position to make any feature requests
but I would appreciate any feedback or suggestions.
Thanks,
Andrea
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next reply other threads:[~2018-05-02 16:31 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-02 16:31 Andrea Cardaci [this message]
2018-05-02 17:32 ` Zoom: a window management minor mode -- best practices and questions Eli Zaretskii
2018-05-02 18:41 ` Andrea Cardaci
2018-05-02 18:58 ` Eli Zaretskii
2018-05-03 7:11 ` martin rudalics
2018-05-03 9:50 ` Andrea Cardaci
2018-05-03 9:46 ` Andrea Cardaci
2018-05-03 7:11 ` martin rudalics
2018-05-03 9:47 ` Andrea Cardaci
2018-05-07 12:32 ` Andrea Cardaci
2018-05-07 18:19 ` Eli Zaretskii
2018-05-08 10:40 ` Andrea Cardaci
2018-05-08 14:53 ` Noam Postavsky
2018-05-08 15:03 ` Andrea Cardaci
2018-05-09 12:33 ` Stefan Monnier
2018-05-08 17:52 ` Eli Zaretskii
2018-05-09 7:00 ` martin rudalics
2018-05-09 16:06 ` Andrea Cardaci
2018-05-10 6:27 ` martin rudalics
2018-05-10 10:11 ` Andrea Cardaci
2018-05-10 10:27 ` martin rudalics
2018-05-10 10:34 ` Andrea Cardaci
2018-05-10 10:37 ` martin rudalics
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