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* emacs/guix-main.scm (%package-location-param-alist): New variable. (package-location->sexp, package-location-entries): New procedures. * emacs/guix-ui-location.el: New file. * emacs.am (ELFILES): Add it. * doc/emacs.texi (Emacs Package Locations): Document 'guix-locations'. * NEWS: Mention it.
83 lines
2.6 KiB
EmacsLisp
83 lines
2.6 KiB
EmacsLisp
;;; guix-ui-location.el --- Interface for displaying package locations
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;; Copyright © 2016 Alex Kost <alezost@gmail.com>
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;; This file is part of GNU Guix.
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;; GNU Guix is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public Location as published by
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;; the Free Software Foundation, either version 3 of the Location, or
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;; (at your option) any later version.
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;; GNU Guix is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public Location for more details.
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;; You should have received a copy of the GNU General Public Location
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;; along with this program. If not, see <http://www.gnu.org/locations/>.
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;;; Commentary:
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;; This file provides a 'list' interface for displaying locations of Guix
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;; packages.
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;;; Code:
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(require 'guix-buffer)
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(require 'guix-list)
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(require 'guix-location)
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(require 'guix-backend)
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(guix-define-entry-type location)
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(defun guix-location-get-entries ()
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"Receive 'package location' entries."
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(guix-eval-read "(package-location-entries)"))
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;;; Location 'list'
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(guix-list-define-interface location
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:buffer-name "*Guix Package Locations*"
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:get-entries-function 'guix-location-get-entries
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:format '((location guix-location-list-file-name-specification 50 t)
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(number-of-packages nil 10 guix-list-sort-numerically-1
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:right-align t))
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:sort-key '(location))
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(let ((map guix-location-list-mode-map))
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(define-key map (kbd "RET") 'guix-location-list-show-packages)
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;; "Location Info" buffer is not defined (it would be useless), so
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;; unbind "i" key (by default, it is used to display Info buffer).
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(define-key map (kbd "i") nil))
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(defun guix-location-list-file-name-specification (location &optional _)
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"Return LOCATION button specification for `tabulated-list-entries'."
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(list location
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'face 'guix-list-file-name
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'action (lambda (btn)
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(guix-find-location (button-get btn 'location)))
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'follow-link t
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'help-echo (concat "Find location: " location)
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'location location))
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(declare-function guix-packages-by-location "guix-ui-package")
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(defun guix-location-list-show-packages ()
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"Display packages placed in the location at point."
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(interactive)
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(guix-packages-by-location (guix-list-current-id)))
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;;; Interactive commands
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;;;###autoload
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(defun guix-locations ()
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"Display locations of the Guix packages."
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(interactive)
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(guix-list-get-display-entries 'location))
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(provide 'guix-ui-location)
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;;; guix-ui-location.el ends here
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