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bug#24193: 25.1; `window-min-size' fails for horizontal width when margi
From: |
Eli Zaretskii |
Subject: |
bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text |
Date: |
Tue, 09 Aug 2016 17:56:42 +0300 |
> From: Paul Rankin <hello@paulwrankin.com>
> Date: Tue, 09 Aug 2016 19:14:27 +1000
>
> There appears to be a change to `window-min-size' that gives an erroneously
> large minimum horizontal window size when the combined size of window margins
> exceed that of the body text, e.g. in a frame 80 columns wide, with left
> margin 20 columns and right margin 20 columns, would return a minimum
> horizontal size of 42, when body text would be 40. This causes
> `split-window-right' to fail.
>
> To reproduce:
>
> 1. emacs -Q
> 2. in a frame 80 columns wide...
> 3. M-: (set-window-margins nil 20 20)
> 4. C-x 3
> => "Window #<window 1 on *scratch*> too small for splitting (2)"
> 5. M-: (window-min-size nil t)
> => 42
>
> Expected results:
>
> Window should split horizontally. Minimum window width should not be dictated
> by margin width.
>
> Actual results:
>
> Margin width dictates minimum window width and prevents window splitting.
I don't think I understand what exactly you expected to happen. In
"emacs -Q" with no margins, "C-x 3" produces 2 windows: one that is
38-column wide, the other 37-column wide. Since you requested 2
20-column margins, they alone need 40 columns. How can Emacs produce
a window with such margins out of 38 columns it has at its disposal?
That isn't enough even for the margins, let alone the text area.
In such a situation, I think refusing to split is a reasonable
response: the user asked for something that is not doable. What
alternative behavior did you expect?
Thanks.
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, (continued)
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, Paul Rankin, 2016/08/14
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, Eli Zaretskii, 2016/08/14
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, martin rudalics, 2016/08/15
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, Paul Rankin, 2016/08/15
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, martin rudalics, 2016/08/16
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, Eli Zaretskii, 2016/08/15
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, martin rudalics, 2016/08/16
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, Eli Zaretskii, 2016/08/16
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, martin rudalics, 2016/08/09
- bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text, Paul Rankin, 2016/08/14
bug#24193: 25.1; `window-min-size' fails for horizontal width when margins >= body text,
Eli Zaretskii <=