transient-navigation/transient-navigation.el
Tom Willemse 9ca2d33ab7 Add another keymap, simplify mode en-/disabling
The new keymap is based on some `M-' keybindings.

Instead of specifying each keybinding to enable or disable by hand, map
through a new hashtable which contains function->wrapper mappings.
2014-01-01 20:13:51 +01:00

71 lines
2.7 KiB
EmacsLisp

;;; transient-navigation.el --- Navigate with a transient mode -*- lexical-binding: t; -*-
;; Copyright (C) 2013 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: convenience
;; Version: 0.1.0
;; 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:
;;
;;; Code:
(defvar transient-navigation-map (make-sparse-keymap))
(defvar transient-word-navigation-map (make-sparse-keymap))
(defvar transient-function-map (make-hash-table))
(defmacro transnav-make-transient (key map func)
"Bind KEY in MAP to FUNC with a transient map."
(let* ((ofuncname (symbol-name func))
(funcname (intern (concat "transient-" ofuncname))))
`(progn
(defun ,funcname (&rest args)
(interactive)
(ignore args)
(call-interactively #',func)
(set-transient-map ,map t))
(define-key ,map (kbd ,key) #',func)
(setf (gethash ',func transient-function-map) ',funcname))))
(transnav-make-transient "f" transient-navigation-map forward-char)
(transnav-make-transient "b" transient-navigation-map backward-char)
(transnav-make-transient "n" transient-navigation-map next-line)
(transnav-make-transient "p" transient-navigation-map previous-line)
(transnav-make-transient "e" transient-navigation-map end-of-line)
(transnav-make-transient "a" transient-navigation-map beginning-of-line)
(transnav-make-transient "f" transient-word-navigation-map forward-word)
(transnav-make-transient "b" transient-word-navigation-map backward-word)
(transnav-make-transient "e" transient-word-navigation-map forward-sentence)
(transnav-make-transient "a" transient-word-navigation-map backward-sentence)
;;;###autoload
(define-minor-mode transient-navigation-mode
"Remap certain navigation commands to ones with a transient map."
nil nil nil
(if transient-navigation-mode
(maphash (lambda (k v)
(define-key global-map (vector 'remap k) v))
transient-function-map)
(maphash (lambda (k v)
(ignore v)
(define-key global-map (vector 'remap k) nil))
transient-function-map)))
(provide 'transient-navigation)
;;; transient-navigation.el ends here