85 lines
3.5 KiB
EmacsLisp
85 lines
3.5 KiB
EmacsLisp
;;; transient-navigation.el --- Navigate with a transient mode -*- lexical-binding: t; -*-
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;; Copyright (C) 2014 Tom Willemse
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;; Author: Tom Willemse <tom@ryuslash.org>
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;; Keywords: convenience
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;; Version: 0.1.0
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Ease navigation by providing a minor mode that enables a transient
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;; key map whenever certain navigation commands are specified.
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;; The `transient-navigation-mode' and
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;; `global-transient-navigation-mode' minor modes can be used to
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;; enable this mode either locally or globally.
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;; More keybindings can be added to your liking by using the
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;; `transnav-make-transient' macro. With this macro You can specify
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;; the key to use while the transient keymap is enabled, which map you
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;; would like to have activated and which function you would like it
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;; to replace and put in the transient keymap.
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;; Currently the variables `transient-C-navigation-map' and
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;; `transient-M-navigation-map' are provided, which try to extend the
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;; Control and Meta (Alt) prefixed navigation commands. You can
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;; easily add your own by creating a keymap and passing it as the MAP
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;; parameter to `transnav-make-transient'.
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;;; Code:
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(defvar transient-navigation-mode-map (make-sparse-keymap))
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(defvar transient-C-navigation-map (make-sparse-keymap))
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(defvar transient-M-navigation-map (make-sparse-keymap))
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(defmacro transnav-make-transient (key map func)
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"Bind KEY in MAP to FUNC with a transient map."
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(let* ((ofuncname (symbol-name func))
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(funcname (intern (concat "transient-" ofuncname))))
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`(progn
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(defun ,funcname (&rest args)
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(interactive)
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(ignore args)
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(call-interactively #',func)
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(set-transient-map ,map t))
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(define-key ,map (kbd ,key) #',func)
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(define-key transient-navigation-mode-map
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[remap ,func] #',funcname))))
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(transnav-make-transient "f" transient-C-navigation-map forward-char)
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(transnav-make-transient "b" transient-C-navigation-map backward-char)
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(transnav-make-transient "n" transient-C-navigation-map next-line)
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(transnav-make-transient "p" transient-C-navigation-map previous-line)
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(transnav-make-transient "e" transient-C-navigation-map end-of-line)
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(transnav-make-transient "a" transient-C-navigation-map beginning-of-line)
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(transnav-make-transient "f" transient-M-navigation-map forward-word)
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(transnav-make-transient "b" transient-M-navigation-map backward-word)
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(transnav-make-transient "e" transient-M-navigation-map forward-sentence)
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(transnav-make-transient "a" transient-M-navigation-map backward-sentence)
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;;;###autoload
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(define-minor-mode transient-navigation-mode
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"Remap certain navigation commands to ones with a transient map."
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nil nil transient-navigation-mode-map)
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;;;###autoload
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(define-globalized-minor-mode global-transient-navigation-mode
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transient-navigation-mode transient-navigation-mode)
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(provide 'transient-navigation)
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;;; transient-navigation.el ends here
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