mirror of
https://github.com/chrisbarrett/nursery
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82 lines
2.5 KiB
EmacsLisp
82 lines
2.5 KiB
EmacsLisp
;;; org-roam-refill-previews.el --- Refill org-roam backlink previews -*- lexical-binding: t; -*-
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;; Copyright (C) 2022 Chris Barrett
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;; Author: Chris Barrett <chris@walrus.cool>
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program 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 License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Refills previews displayed in the org-roam buffer to aid reabability in
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;; narrow window layouts.
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;; Note that this only works when preview sections are lazily computed, or the
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;; buffer is refreshed.
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;; Example configuration:
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;;
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;; (use-package org-roam-refill-previews
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;; :after org-roam
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;; :demand t
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;; :config
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;; (add-hook 'org-roam-preview-postprocess-functions #'org-roam-refill-previews))
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;;; Code:
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(require 'org)
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(require 'org-roam)
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(require 'seq)
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(require 'subr-x)
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(defgroup org-roam-refill-previews nil
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"Fill previews in the org-roam backlinks buffer."
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:group 'productivity
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:prefix "org-roam-refill-previews-")
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(defcustom org-roam-refill-previews-justify-p t
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"Whether to justify preview text."
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:group 'org-roam-refill-previews
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:type 'boolean)
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;;; Code:
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(defun org-roam-refill-previews--window-width ()
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(if-let* ((win (seq-find
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(lambda (it)
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(with-selected-window it
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(derived-mode-p 'org-roam-mode)))
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(window-list))))
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(window-width win)
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fill-column))
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(defun org-roam-refill-previews (preview-str)
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"Refill PREVIEW-STR to fit the backlinks window.
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Expected to be appended to `org-roam-preview-postprocess-functions'."
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(let ((fill-column (org-roam-refill-previews--window-width)))
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(with-temp-buffer
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(insert (org-fontify-like-in-org-mode preview-str))
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(goto-char (point-max))
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(skip-chars-backward " \t\n")
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(while (not (bobp))
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(ignore-errors
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(org-fill-element (when org-roam-refill-previews-justify-p 'justify)))
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(org-backward-paragraph))
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(buffer-string))))
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(provide 'org-roam-refill-previews)
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;;; org-roam-refill-previews.el ends here
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