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Diffstat (limited to 'elpa/lsp-ui-20220425.1046/lsp-ui-util.el')
-rw-r--r-- | elpa/lsp-ui-20220425.1046/lsp-ui-util.el | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/elpa/lsp-ui-20220425.1046/lsp-ui-util.el b/elpa/lsp-ui-20220425.1046/lsp-ui-util.el new file mode 100644 index 0000000..a5d92f2 --- /dev/null +++ b/elpa/lsp-ui-20220425.1046/lsp-ui-util.el @@ -0,0 +1,71 @@ +;;; lsp-ui-util.el --- Utility module for Lsp-Ui -*- lexical-binding: t -*- + +;; Copyright (C) 2020 Shen, Jen-Chieh + +;; Author: Jen-Chieh Shen <jcs090218@gmail.com> +;; URL: https://github.com/emacs-lsp/lsp-ui +;; Keywords: languages, tools +;; Version: 6.2 + +;;; License +;; +;; This program is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 3, or (at your option) +;; any later version. + +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with this program; see the file COPYING. If not, write to +;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth +;; Floor, Boston, MA 02110-1301, USA. + +;;; Commentary: + +;; +;; Utility module for Lsp-Ui. +;; + +;;; Code: + +(require 'face-remap) + +(defun lsp-ui-util-safe-kill-timer (timer) + "Safely kill the TIMER." + (when (timerp timer) (cancel-timer timer))) + +(defun lsp-ui-util-safe-delete-overlay (overlay) + "Safely delete the OVERLAY." + (when (overlayp overlay) (delete-overlay overlay))) + +(defun lsp-ui-util-line-number-display-width () + "Safe way to get value from function `line-number-display-width'." + (if (bound-and-true-p display-line-numbers-mode) + ;; For some reason, function `line-number-display-width' gave + ;; us error `args-out-of-range' even we do not pass anything towards + ;; to it function. See the following links, + ;; + ;; - https://github.com/emacs-lsp/lsp-ui/issues/294 + ;; - https://github.com/emacs-lsp/lsp-ui/issues/533 (duplicate) + (+ (or (ignore-errors (line-number-display-width)) 0) 2) + 0)) + +(defun lsp-ui-util-line-string (pos) + "Return string at POS." + (when (integerp pos) (save-excursion (goto-char pos) (thing-at-point 'line)))) + +(defun lsp-ui-util-column (&optional pos) + "Return column at POS." + (setq pos (or pos (point))) + (save-excursion (goto-char pos) (current-column))) + +(defun lsp-ui-util-text-scale-factor () + "Return the factor effect by `text-scale-mode'." + (or (plist-get (cdr text-scale-mode-remapping) :height) 1)) + +(provide 'lsp-ui-util) +;;; lsp-ui-util.el ends here |