blob: b35725e192b94ca3c1e7eb3e21b77ca690e232ef (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
;;; ring-bell-fns.el --- Collection of functions for ring-bell -*- lexical-binding: t; -*-
;; Copyright (C) 2025-2026 Free Software Foundation, Inc.
;; Author: Elijah Gabe Pérez <eg642616@gmail.com>
;; Keywords: faces
;; This file is part of GNU Emacs.
;; GNU Emacs 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 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Collection of functions intended to be used with `ring-bell-function'.
;; as alternatives to `visible-bell'
;;; Code:
(require 'pulse)
(defgroup ring-bell nil
"Customization options for ring bell."
:version "31.1"
:group 'emacs)
(defcustom flash-face-attributes
'(:background "red" :foreground "white")
"Face attributes to use in any function from `ring-bell-fns'.
This is intended to be used in any function from `ring-bell-fns' such as
`flash-face-bell-function' and `flash-echo-area-bell-function' to make
the flash face more noticeable."
:type 'plist
:version "31.1")
(defcustom flash-face-faces
'(mode-line-active)
"A list of faces to be flashed by `flash-face-bell-function'."
:type '(repeat face)
:version "31.1")
;;;###autoload
(defun flash-face-bell-function ()
"Indicate ringing the bell by flashing some faces.
Intended to be used in `ring-bell-function'."
(pulse-faces flash-face-faces flash-face-attributes))
;;;###autoload
(defun flash-echo-area-bell-function ()
"Indicate ringing the bell by flashing the echo area.
Intended to be used in `ring-bell-function'."
;; pulse-faces uses run-with-timer if `pulse-face-duration'
;; is long, which makes the flashing in the echo area not visible.
;; for fix this then apply the flashing to *Echo Area 0*
;; and minibuffer buffer for the `run-with-timer',
;; and fallback to minibuffer buffer due performance.
(if (> pulse-face-duration 0.1)
(dolist (buf `(,(window-buffer (minibuffer-window))
;; get or create the echo area for flash it too.
,(get-buffer-create" *Echo Area 0*")))
(redisplay)
(with-current-buffer buf
(pulse-faces '(default) flash-face-attributes)))
(with-current-buffer (window-buffer (minibuffer-window))
;; For make the flash effect take effect in the
;; minibuffer/echo area, insert a space only if it is empty.
(if (= (buffer-size) 0)
(insert ?\s))
(pulse-faces '(default) flash-face-attributes))))
(provide 'ring-bell-fns)
;;; ring-bell-fns.el ends here
|
