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;;; evil-collection-calc.el --- Evil bindings for calc -*- lexical-binding: t -*-
;; Copyright (C) 2018 Pierre Neidhardt
;; Author: Pierre Neidhardt <ambrevar@gmail.com>
;; Maintainer: James Nguyen <james@jojojames.com>, Pierre Neidhardt <ambrevar@gmail.com>
;; URL: https://github.com/emacs-evil/evil-collection
;; Version: 0.0.1
;; Package-Requires: ((emacs "25.1"))
;; Keywords: evil, calc, tools
;; This file 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, or (at your
;; option) any later version.
;;
;; This file 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.
;;
;; For a full copy of the GNU General Public License
;; see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Evil bindings for calc.
;;; Code:
(require 'evil-collection)
(require 'calc)
(defconst evil-collection-calc-maps '(calc-mode-map))
(defun evil-collection-calc-setup ()
"Set up `evil' bindings for `calc'."
(evil-collection-inhibit-insert-state 'calc-mode-map)
(evil-set-initial-state 'calc-mode 'normal)
;; Calc sets up its bindings just-in-time for its "extensions". I don't think
;; it's worth copying this clumsy design (for what performance benefit?),
;; while making the bindings much harder to maintain.
(require 'calc-ext)
(evil-collection-define-key 'normal 'calc-mode-map
"0" 'calcDigit-start
"1" 'calcDigit-start
"2" 'calcDigit-start
"3" 'calcDigit-start
"4" 'calcDigit-start
"5" 'calcDigit-start
"6" 'calcDigit-start
"7" 'calcDigit-start
"8" 'calcDigit-start
"9" 'calcDigit-start
(kbd "<tab>") 'calc-roll-down
(kbd "S-<return>") 'calc-over
(kbd "<return>") 'calc-enter
(kbd "SPC") 'calc-enter
(kbd "C-x C-t") 'calc-transpose-lines
(kbd "C-M-d") 'calc-pop-above
(kbd "C-M-i") 'calc-roll-up
(kbd "M-RET") 'calc-last-args
(kbd "C-M-w") 'kill-ring-save
(kbd "M-%") 'calc-percent
(kbd "M-k") 'calc-copy-as-kill
(kbd "M-w") 'calc-copy-region-as-kill
(kbd "M-DEL") 'calc-pop-above
(kbd "M-m t") 'calc-total-algebraic-mode
(kbd "<delete>") 'calc-pop
(kbd "<mouse-2>") 'calc-yank
"x" 'calc-pop ; was "C-d". TODO: Conflicts with calc-execute-extended-command.
"d" 'calc-kill ; was "C-k"
"u" 'calc-undo ; was "U"
"X" 'calc-call-last-kbd-macro ; "@" is already used.
"pp" 'calc-yank ; was "C-y"
"pP" 'calc-copy-to-buffer ; was "y"
(kbd "C-p") 'calc-precision ; was "p"
"?" 'calc-help
;; "h" 'calc-help-prefix ; TODO: Rebind?
"i" 'calc-info
"\"" 'calc-auto-algebraic-entry
"$" 'calc-auto-algebraic-entry ; TODO: No need for this one?
"'" 'calc-algebraic-entry
"!" 'calc-factorial
"#" 'calcDigit-start
"%" 'calc-mod
"&" 'calc-inv
"(" 'calc-begin-complex
")" 'calc-end-complex
"*" 'calc-times
"+" 'calc-plus
"," 'calc-comma
"-" 'calc-minus
"." 'calcDigit-start
"/" 'calc-divide
":" 'calc-fdiv
";" 'calc-semi ; TODO: Shall we really override `evil-ex'?
"<" 'calc-scroll-left
"=" 'calc-evaluate
">" 'calc-scroll-right
"@" 'calcDigit-start
"A" 'calc-abs
"B" 'calc-log
"C" 'calc-cos
;; "D" 'calc-redo ; TODO: What's the purpose of this? Bind to C-r?
"E" 'calc-exp
"F" 'calc-floor
"G" 'calc-argument
"H" 'calc-hyperbolic
"I" 'calc-inverse
"J" 'calc-conj
"K" 'calc-keep-args
"L" 'calc-ln
"M" 'calc-more-recursion-depth
"N" 'calc-eval-num
"O" 'calc-option
"P" 'calc-pi
"Q" 'calc-sqrt
"R" 'calc-round
"S" 'calc-sin
"T" 'calc-tan
"[" 'calc-begin-vector
"]" 'calc-end-vector
"\\" 'calc-idiv
"^" 'calc-power
"_" 'calcDigit-start
"`" 'calc-edit
"e" 'calcDigit-start
"n" 'calc-change-sign
"o" 'calc-realign
"w" 'calc-why
"x" 'calc-execute-extended-command ; TODO: Conflicts with calc-pop.
"|" 'calc-concat
"{" 'calc-scroll-down ; TODO: Not necessary?
"}" 'calc-scroll-up ; TODO: Not necessary?
"~" 'calc-num-prefix
"V" (lookup-key calc-mode-map (kbd "V"))
"Y" (lookup-key calc-mode-map (kbd "Y"))
"Z" (lookup-key calc-mode-map (kbd "Z"))
"a" (lookup-key calc-mode-map (kbd "a"))
"b" (lookup-key calc-mode-map (kbd "b"))
"c" (lookup-key calc-mode-map (kbd "c"))
"D" (lookup-key calc-mode-map (kbd "d"))
"f" (lookup-key calc-mode-map (kbd "f"))
"g" (lookup-key calc-mode-map (kbd "g"))
"zj" (lookup-key calc-mode-map (kbd "j"))
"zk" (lookup-key calc-mode-map (kbd "k"))
"zl" (lookup-key calc-mode-map (kbd "l"))
"m" (lookup-key calc-mode-map (kbd "m"))
"r" (lookup-key calc-mode-map (kbd "r"))
"s" (lookup-key calc-mode-map (kbd "s"))
"t" (lookup-key calc-mode-map (kbd "t"))
"U" (lookup-key calc-mode-map (kbd "u"))
"v" (lookup-key calc-mode-map (kbd "v"))
"zz" (lookup-key calc-mode-map (kbd "z"))
;; quit
;; "ZQ" 'quit-window ; TODO: Rebind "Z"?
;; "ZZ" 'quit-window ; TODO: Rebind "Z"?
"q" 'calc-quit)
(evil-collection-define-key 'visual 'calc-mode-map
"d" 'calc-kill-region))
(provide 'evil-collection-calc)
;;; evil-collection-calc.el ends here
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