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emacs: Fill package heading in Info buffers.

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* emacs/guix-info.el (guix-package-info-fill-heading): New variable.
  (guix-package-info-insert-heading): Fill heading if needed.

Co-authored-by: Alex Kost <alezost@gmail.com>
This commit is contained in:
Ludovic Courtès 2015-07-13 22:08:11 +02:00 committed by Alex Kost
parent b0ded08ff7
commit dbe422aba8
1 changed files with 14 additions and 3 deletions
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15
emacs/guix-info.el
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@ -1,6 +1,7 @@
;;; guix-info.el --- Info buffers for displaying entries -*- lexical-binding: t -*-
;; Copyright © 2014 Alex Kost <alezost@gmail.com>
;; Copyright © 2014, 2015 Alex Kost <alezost@gmail.com>
;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
;; This file is part of GNU Guix.
@ -482,6 +483,12 @@ If nil, insert package in a default way.")
(defvar guix-package-info-heading-params '(synopsis description)
"List of parameters displayed in a heading along with name and version.")
(defcustom guix-package-info-fill-heading t
"If nil, insert heading parameters in a raw form, without
filling them to fit the window."
:type 'boolean
:group 'guix-package-info)
(defun guix-package-info-insert-heading (entry)
"Insert the heading for package ENTRY.
Show package name, version, and `guix-package-info-heading-params'."
@ -494,8 +501,12 @@ Show package name, version, and `guix-package-info-heading-params'."
(face (guix-get-symbol (symbol-name param)
'info 'package)))
(when val
(let* ((col (min (window-width) fill-column))
(val (if guix-package-info-fill-heading
(guix-get-filled-string val col)
val)))
(guix-format-insert val (and (facep face) face))
(insert "\n\n"))))
(insert "\n\n")))))
guix-package-info-heading-params))
(defun guix-package-info-insert-with-heading (entry)