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| | ;;; idle-cursor-morph.el --- Morph cursor when idle.
;; Copyright (C) 2015 Free Software Foundation, Inc.
;; Author: Taylan Ulrich B. <taylanbayirli@gmail.com>
;; Keywords: convenience
;; 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 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Change the cursor appearance after a certain time of inactivity, so it is
;; easier to find after a pause or distraction.
;;
;; You can configure the parameters via the Customize system.
;;; Code:
(defgroup idle-cursor-morph nil
"Morph cursor when idle."
:group 'convenience)
(defcustom idle-cursor-timeout 20
"Seconds to wait before morphing the cursor.
After setting this, run `idle-cursor-activate' to apply the new
value."
:type 'number
:group 'idle-cursor-morph)
(defcustom idle-cursor-color "red"
"Color of cursor when idle."
:type 'string
:group 'idle-cursor-morph)
(defcustom idle-cursor-non-idle-color "white"
"Color of cursor when not idle."
:type 'string
:group 'idle-cursor-morph)
(defcustom idle-cursor-type 'box
"Type of cursor when idle."
:type '(choice (const t)
(const nil)
(const box)
(cons (const bar) number)
(const hbar)
(cons (const hbar) number))
:group 'idle-cursor-morph)
(defcustom idle-cursor-non-idle-type cursor-type
"Type of cursor when not idle."
:type '(choice (const t)
(const nil)
(const box)
(cons (const bar) number)
(const hbar)
(cons (const hbar) number))
:group 'idle-cursor-morph)
(defcustom idle-cursor-blinking (not no-blinking-cursor)
"Whether the cursor should blink when idle."
:type 'boolean
:group 'idle-cursor-morph)
(defcustom idle-cursor-non-idle-blinking (not no-blinking-cursor)
"Whether the cursor should blink when not idle.")
(defun idle-cursor-morph ()
"Set the cursor color and type to `idle-cursor-color' and
`idle-cursor-type', respectively."
(set-cursor-color idle-cursor-color)
(setq-default cursor-type idle-cursor-type)
(setq no-blinking-cursor (not idle-cursor-blinking))
(add-hook 'post-command-hook 'idle-cursor-restore))
(defun idle-cursor-restore ()
"Restore the cursor color and type to the values they had
before `idle-cursor-morph' changed them."
(set-cursor-color idle-cursor-non-idle-color)
(setq-default cursor-type idle-cursor-non-idle-type)
(setq no-blinking-cursor (not idle-cursor-non-idle-blinking))
(remove-hook 'post-command-hook 'idle-cursor-restore))
(defvar idle-cursor-morph-timer nil)
(defun idle-cursor-activate ()
"Activate the idle-cursor-morphing functionality."
(interactive)
(if idle-cursor-morph-timer
(idle-cursor-deactivate))
(setq idle-cursor-morph-timer
(run-with-idle-timer idle-cursor-timeout t 'idle-cursor-morph)))
(defun idle-cursor-deactivate ()
"Deactivate the idle-cursor-morphing functionality."
(interactive)
(if idle-cursor-morph-timer
(cancel-timer idle-cursor-morph-timer)))
(idle-cursor-activate)
(provide 'idle-cursor-morph)
;;; idle-cursor-morph.el ends here
|