From: Eli Zaretskii <eliz@gnu.org>
To: Andrea Cardaci <cyrus.and@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: Zoom: a window management minor mode -- best practices and questions
Date: Wed, 02 May 2018 20:32:16 +0300 [thread overview]
Message-ID: <83muxioten.fsf@gnu.org> (raw)
In-Reply-To: <CACMsj9Oe67HsyS0_vXA4GfGdNwYN8rejnU+szLT8wCRRf-yFHQ@mail.gmail.com> (message from Andrea Cardaci on Wed, 2 May 2018 18:31:11 +0200)
> From: Andrea Cardaci <cyrus.and@gmail.com>
> Date: Wed, 2 May 2018 18:31:11 +0200
> Cc: Eli Zaretskii <eliz@gnu.org>
>
> 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.
I've seen the screencast before asking the question, but couldn't
grasp the intent well enough, probably because the display in
screencast switches windows too quickly, and it's hard to understand
what Zoom attempts to do.
> 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)
I understand why you need to hook select-window, but not why you need
the other hook. Is it because there are too many functions that could
modify the window size, and you didn't want to hook all of them?
Did you try to use pre-redisplay-functions instead? That doesn't
necessarily tell you that the selected window is going to change or
its dimensions are about to change, but determining that for a single
window shouldn't be too expensive, right?
Alternatively, we could provide some control to disable resizing of
the selected window -- would that be enough, in addition to hooking
select-widnow using the method suggested by martin?
> 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.
Maybe Martin will suggest a good way of doing that using the existing
facilities, if they are enough.
next prev parent reply other threads:[~2018-05-02 17:32 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-02 16:31 Zoom: a window management minor mode -- best practices and questions Andrea Cardaci
2018-05-02 17:32 ` Eli Zaretskii [this message]
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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