| 1 | ;;; guix-ui-location.el --- Interface for displaying package locations |
| 2 | |
| 3 | ;; Copyright © 2016 Alex Kost <alezost@gmail.com> |
| 4 | |
| 5 | ;; This file is part of GNU Guix. |
| 6 | |
| 7 | ;; GNU Guix is free software; you can redistribute it and/or modify |
| 8 | ;; it under the terms of the GNU General Public Location as published by |
| 9 | ;; the Free Software Foundation, either version 3 of the Location, or |
| 10 | ;; (at your option) any later version. |
| 11 | |
| 12 | ;; GNU Guix is distributed in the hope that it will be useful, |
| 13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | ;; GNU General Public Location for more details. |
| 16 | |
| 17 | ;; You should have received a copy of the GNU General Public Location |
| 18 | ;; along with this program. If not, see <http://www.gnu.org/locations/>. |
| 19 | |
| 20 | ;;; Commentary: |
| 21 | |
| 22 | ;; This file provides a 'list' interface for displaying locations of Guix |
| 23 | ;; packages. |
| 24 | |
| 25 | ;;; Code: |
| 26 | |
| 27 | (require 'guix-buffer) |
| 28 | (require 'guix-list) |
| 29 | (require 'guix-location) |
| 30 | (require 'guix-backend) |
| 31 | |
| 32 | (guix-define-entry-type location) |
| 33 | |
| 34 | (defun guix-location-get-entries () |
| 35 | "Receive 'package location' entries." |
| 36 | (guix-eval-read "(package-location-entries)")) |
| 37 | |
| 38 | \f |
| 39 | ;;; Location 'list' |
| 40 | |
| 41 | (guix-list-define-interface location |
| 42 | :buffer-name "*Guix Package Locations*" |
| 43 | :get-entries-function 'guix-location-get-entries |
| 44 | :format '((location guix-location-list-file-name-specification 50 t) |
| 45 | (number-of-packages nil 10 guix-list-sort-numerically-1 |
| 46 | :right-align t)) |
| 47 | :sort-key '(location)) |
| 48 | |
| 49 | (let ((map guix-location-list-mode-map)) |
| 50 | (define-key map (kbd "RET") 'guix-location-list-show-packages) |
| 51 | ;; "Location Info" buffer is not defined (it would be useless), so |
| 52 | ;; unbind "i" key (by default, it is used to display Info buffer). |
| 53 | (define-key map (kbd "i") nil)) |
| 54 | |
| 55 | (defun guix-location-list-file-name-specification (location &optional _) |
| 56 | "Return LOCATION button specification for `tabulated-list-entries'." |
| 57 | (list location |
| 58 | 'face 'guix-list-file-name |
| 59 | 'action (lambda (btn) |
| 60 | (guix-find-location (button-get btn 'location))) |
| 61 | 'follow-link t |
| 62 | 'help-echo (concat "Find location: " location) |
| 63 | 'location location)) |
| 64 | |
| 65 | (declare-function guix-packages-by-location "guix-ui-package") |
| 66 | |
| 67 | (defun guix-location-list-show-packages () |
| 68 | "Display packages placed in the location at point." |
| 69 | (interactive) |
| 70 | (guix-packages-by-location (guix-list-current-id))) |
| 71 | |
| 72 | \f |
| 73 | ;;; Interactive commands |
| 74 | |
| 75 | ;;;###autoload |
| 76 | (defun guix-locations () |
| 77 | "Display locations of the Guix packages." |
| 78 | (interactive) |
| 79 | (guix-list-get-display-entries 'location)) |
| 80 | |
| 81 | (provide 'guix-ui-location) |
| 82 | |
| 83 | ;;; guix-ui-location.el ends here |