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;;; init-evil.el --- Evil configuration
;; Copyright (C) 2016 Miquel Sabaté Solà <mikisabate@gmail.com>
;;
;; 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:
;;
;; All the configuration related to Evil mode. This file tackles *only* Evil
;; itself, not the configuration from other packages that provide evil bindings.
;;; Code:
(require 'use-package)
(defun mssola-evil ()
"Configure evil mode."
; We can safely remap <C-u> because the counting will be handled a-la Vim.
(define-key evil-normal-state-map (kbd "C-u") 'evil-scroll-up)
; Make window navigation easier.
(define-key evil-normal-state-map (kbd "C-j") 'evil-window-down)
(define-key evil-normal-state-map (kbd "C-k") 'evil-window-up)
(define-key evil-normal-state-map (kbd "C-l") 'evil-window-right)
(define-key evil-normal-state-map (kbd "C-h") 'evil-window-left)
; The window navigation tweaks effectively wipe out the help prefix, which
; is bad. Fortunately we can workaround this by providing "M-h" as the new
; help prefix. This prefix is only used in emacs mode to mark lines, which is
; something already handled by Evil.
(define-key global-map (kbd "M-h") 'help-command)
(fset 'help-command help-map)
; Helm + Projectile shortcuts.
(eval-after-load 'helm-projectile
'(progn
(define-key evil-normal-state-map (kbd "M-p")
'helm-projectile-switch-project)))
; I use the Super key in combination with j & k to move around i3. Let's unset
; M- combos for these two fellows for whenever I misstype them.
(global-unset-key (kbd "M-j"))
(global-unset-key (kbd "M-k"))
; both this function and the subsequent lines about [escape] are taken from
; @aaronbieber configuration.
(defun minibuffer-keyboard-quit ()
"Abort recursive edit.
In Delete Selection mode, if the mark is active, just deactivate it;
then it takes a second \\[keyboard-quit] to abort the minibuffer."
(interactive)
(if (and delete-selection-mode transient-mark-mode mark-active)
(setq deactivate-mark t)
(when (get-buffer "*Completions*") (delete-windows-on "*Completions*"))
(abort-recursive-edit)))
;; Make escape quit everything, whenever possible.
(define-key evil-normal-state-map [escape] 'keyboard-quit)
(define-key evil-visual-state-map [escape] 'keyboard-quit)
(define-key minibuffer-local-map [escape] 'minibuffer-keyboard-quit)
(define-key minibuffer-local-ns-map [escape] 'minibuffer-keyboard-quit)
(define-key minibuffer-local-completion-map [escape] 'minibuffer-keyboard-quit)
(define-key minibuffer-local-must-match-map [escape] 'minibuffer-keyboard-quit)
(define-key minibuffer-local-isearch-map [escape] 'minibuffer-keyboard-quit)
; I store macros on the <q> register for convenience, so I used to use the
; <C-q> combo to execute this macro in Vim. In Emacs though, this combo is
; reserved to a rather useful function, and I'd like to keep it that way. So,
; now the mapping is set to <C-2> (mnemonic: where the @ symbol is). Moreover,
; it's applied as many times as specified by the numeric prefix argument.
(define-key evil-normal-state-map (kbd "C-2")
(lambda (n)
(interactive "p")
(evil-execute-macro n "@q")))
; C-s: switch to normal mode and save the buffer. I know :)
(define-key evil-normal-state-map (kbd "C-s") 'save-buffer)
(define-key evil-insert-state-map (kbd "C-s")
(lambda () (interactive) (save-buffer) (evil-force-normal-state))))
(use-package evil
:ensure t
:config
(add-hook 'evil-mode-hook 'mssola-evil)
(evil-mode 1)
;; C-z is unused and it's close to my beloved C-c. Since I don't want to mess
;; with one of the most sacred Emacs prefixes, I'm moving to C-z.
(define-key key-translation-map (kbd "C-z") [escape])
(define-key evil-operator-state-map (kbd "C-z") 'keyboard-quit)
(set-quit-char "C-z")
;; Use the proper initial evil state for the following modes.
(evil-set-initial-state 'help-mode 'normal)
(evil-set-initial-state 'debugger-mode 'normal)
(evil-set-initial-state 'describe-mode 'normal)
(evil-set-initial-state 'Buffer-menu-mode 'normal)
(use-package evil-leader
:ensure t
:config
(global-evil-leader-mode)
(evil-leader/set-leader ",")
(setq evil-leader/in-all-states 1)
(evil-leader/set-key
"," 'back-to-indentation
"c" 'delete-window
"k" 'kill-buffer-and-window
"v" 'split-window-right
"V" (lambda () (interactive) (split-window-right) (other-window 1))
"f" 'flycheck-list-errors
"e" 'eval-last-sexp
"b" 'view-buffer
"o" 'browse-url-at-point))
(use-package evil-surround
:ensure t
:config
(global-evil-surround-mode 1))
(use-package evil-args
:ensure t
:config
; Configuration taken from the documentation of evil-args.
;; Bind evil-args text objects
(define-key evil-inner-text-objects-map "a" 'evil-inner-arg)
(define-key evil-outer-text-objects-map "a" 'evil-outer-arg)
;; Bind evil-forward/backward-args
(define-key evil-normal-state-map "L" 'evil-forward-arg)
(define-key evil-normal-state-map "H" 'evil-backward-arg)
(define-key evil-motion-state-map "L" 'evil-forward-arg)
(define-key evil-motion-state-map "H" 'evil-backward-arg))
(use-package evil-numbers
:ensure t
:config
(define-key evil-normal-state-map (kbd "C-a") 'evil-numbers/inc-at-pt)
(define-key evil-normal-state-map (kbd "C-c -") 'evil-numbers/dec-at-pt)))
(provide 'init-evil)
;;; init-evil.el ends here
|
