;; 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+ ;; This is for people who are on outdated Emacs snapshots.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."
(add-hook 'beacon-dont-blink-predicates #'window-minibuffer-p)
-(defcustom beacon-dont-blink-major-modes '(magit-status-mode magit-popup-mode)
+(defcustom beacon-dont-blink-major-modes '(t magit-status-mode magit-popup-mode
+ gnus-summary-mode gnus-group-mode)
"A list of major-modes where the beacon won't blink.
Whenever the current buffer satisfies `derived-mode-p' for
one of the major-modes on this list, the beacon will not
blink."
:type '(repeat symbol))
-(defcustom beacon-dont-blink-commands '(recenter-top-bottom)
+(defcustom beacon-dont-blink-commands '(next-line previous-line
+ forward-line)
"A list of commands that should not make the beacon blink.
Use this for commands that scroll the window in very
predictable ways, when the blink would be more distracting
(defun beacon--color-range ()
"Return a list of background colors for the beacon."
- (let* ((default-bg (face-attribute 'default :background))
+ (let* ((default-bg (or (save-excursion
+ (forward-line 1)
+ (forward-char -1)
+ (background-color-at-point))
+ (face-background 'default)))
(bg (color-values (if (string-match "\\`unspecified-" default-bg)
(face-attribute 'beacon-fallback-background :background)
default-bg)))
(let ((head (car mark-ring)))
(when (and (eq beacon--previous-mark-head head)
(not (equal head beacon--previous-place)))
- (push-mark beacon--previous-place)))))
+ (push-mark beacon--previous-place 'silent)))))
(defun beacon--post-command ()
"Blink if point moved very far."