;; Author: Artur Malabarba <emacs@endlessparentheses.com>
;; URL: https://github.com/Malabarba/beacon
;; Keywords: convenience
-;; Version: 0.4
+;; Version: 0.5.1
;; Package-Requires: ((seq "1.11"))
;; This program is free software; you can redistribute it and/or modify
;;; Code:
(require 'seq)
+(require 'faces)
+(unless (fboundp 'seq-mapn)
+ ;; This is for people who are on outdated Emacs snapshots. Will be
+ ;; deleted in a couple of weeks.
+ (defun seq-mapn (function sequence &rest sequences)
+ "Like `seq-map' but FUNCTION is mapped over all SEQUENCES.
+The arity of FUNCTION must match the number of SEQUENCES, and the
+mapping stops on the shortest sequence.
+Return a list of the results.
+
+\(fn FUNCTION SEQUENCES...)"
+ (let ((result nil)
+ (sequences (seq-map (lambda (s) (seq-into s 'list))
+ (cons sequence sequences))))
+ (while (not (memq nil sequences))
+ (push (apply function (seq-map #'car sequences)) result)
+ (setq sequences (seq-map #'cdr sequences)))
+ (nreverse result))))
(defgroup beacon nil
"Customization group for beacon."
(defun beacon--color-range ()
"Return a list of background colors for the beacon."
- (let* ((default-bg (face-attribute 'default :background))
+ (let* ((default-bg (or (background-color-at-point)
+ (face-background 'default)))
(bg (color-values (if (string-match "\\`unspecified-" default-bg)
(face-attribute 'beacon-fallback-background :background)
default-bg)))