in a separate file.
* Evil mode
-https://www.emacswiki.org/emacs/Evil
+** Install and basic config
+https://www.emacswiki.org/emacs/Evil.
+=global-evil-leader-mode= should be set before =evil-mode=.
#+BEGIN_SRC emacs-lisp :tangle yes :results silent
- (defvar my-mode-list-to-use-emacs-as-insert '(emacs-lisp-mode org-mode eshell-mode lisp-interaction-mode))
- (defvar my-modes-use-emacs-init '(emacs-lisp-mode org-mode lisp-interaction-mode eshell-mode))
-
- (defun my-evil-config ()
- "This should be called after evil-mode is loaded."
-
- (setq evil-default-state 'normal)
- (dolist (mode my-modes-use-emacs-init) (evil-set-initial-state mode 'emacs))
-
- (advice-add 'evil-insert-state :after (lambda (&optional arg)
- (when (memq major-mode my-mode-list-to-use-emacs-as-insert)
- (evil-emacs-state))))
-
- (define-key evil-normal-state-map "\C-W s" 'evil-window-split)
- (define-key evil-normal-state-map "\C-W v" 'evil-window-vsplit)
- (define-key evil-normal-state-map "\C-h" 'evil-window-left)
- (define-key evil-normal-state-map "\C-j" 'evil-window-down)
- (define-key evil-normal-state-map "\C-k" 'evil-window-up)
- (define-key evil-normal-state-map "\C-l" 'evil-window-right)
- (define-key evil-normal-state-map (kbd "C->") (lambda () (interactive) (evil-window-increase-width 3)))
- (define-key evil-normal-state-map (kbd "C-<") (lambda () (interactive) (evil-window-decrease-width 3)))
- (define-key evil-normal-state-map (kbd "C-+") (lambda () (interactive) (evil-window-increase-height 3)))
- (define-key evil-normal-state-map (kbd "C--") (lambda () (interactive) (evil-window-decrease-height 3))))
-
(use-package evil
:ensure t
:init
;; (setq evil-default-state 'emacs)
(setq evil-emacs-state-cursor '("red" box))
(setq evil-normal-state-cursor '("green" box))
+ (setq evil-motion-state-cursor '("green" box))
(setq evil-visual-state-cursor '("orange" box))
(setq evil-insert-state-cursor '("red" bar))
(setq evil-replace-state-cursor '("red" bar))
:config
(require 'evil-leader)
(global-evil-leader-mode)
- (evil-mode t)
- ;; If alias insert state to emacs, there are some feature such as (column insert) not working.
- ;; so disable this alias. Instead, only swith to emacs state for some special mode by advicing `evil-insert-state'. see above
- ;; (defalias 'evil-inset-mode 'evil-emacs-state)
-
- ;; escape has two define, one is interpreted as M-, the other is interpreted as ESC. This may be different between emacs GUI
- ;; and terminal.
- ;; Here this setting make pressing ESC alone as exit to normal state, but keep when pressing ESC with combined key, as (M-*)
+ (evil-mode t))
+#+END_SRC
+
+** Initial mode and state config
+- Use =normal= as the default state but exclude some special modes.
+- Bind =[escape]= to =normal= mode. This only works on GUI Emacs. If need to work on Terminal, shoudl also bind =(kbd
+ "<ESC>)=, but this will make the combined key =M-= not wor.
+- Not alias =insert= state to =emacs= state, as it break some vi's feature in insert mode, such as column edit. Instead,
+ here add a advice function to change the sate as emacs when enter insert mode, but this is only limited in some
+ certain modes.
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ (defvar my-mode-list-to-use-emacs-as-insert '(emacs-lisp-mode org-mode eshell-mode lisp-interaction-mode)
+ "The mode in this list will consider insert state as emacs state by adding `advice-add' below.")
+
+ (defvar my-modes-use-emacs-init '(emacs-lisp-mode org-mode lisp-interaction-mode eshell-mode text-mode)
+ "The mode in this list will use emacs sate as a initial evil state.")
+
+ (with-eval-after-load "evil"
+ (setq evil-default-state 'normal)
+ ;; (defalias 'evil-inset-mode 'evil-emacs-state)
(define-key evil-emacs-state-map [escape] 'evil-normal-state)
;; (define-key evil-emacs-state-map (kbd "<ESC>") 'evil-normal-state)
- (my-evil-config))
+ (dolist (mode my-modes-use-emacs-init) (evil-set-initial-state mode 'emacs))
+ (advice-add 'evil-insert-state :after (lambda (&optional arg)
+ (when (memq major-mode my-mode-list-to-use-emacs-as-insert)
+ (evil-emacs-state)))))
#+END_SRC
+
* Evil-escape
[[https://github.com/syl20bnr/evil-escape][evil-escape]], escape from anything with customizable key sequence.
#+BEGIN_SRC emacs-lisp :tangle yes :results silent
(evil-leader/set-key "w" 'evil-save)
(evil-leader/set-key "r" 'ivy-recentf)
(evil-leader/set-key "w" 'save-buffer)
- (evil-leader/set-key "e" 'evil-edit)
(evil-leader/set-key "o" 'ido-find-file)
(evil-leader/set-key "p" 'projectile-find-file)
;; Window
(evil-leader/set-key "q" 'evil-quit)
;; others
(evil-leader/set-key "h" 'help)
- (evil-leader/set-key "h" 'help))
+ (evil-leader/set-key "g" 'magit-status)
+ (evil-leader/set-key "d" 'dired)
+ (evil-leader/set-key "e" 'sd/toggle-project-eshell))
+
+ (with-eval-after-load "evil"
+ (evil-define-key 'emacs eshell-mode-map (kbd ";e") 'sd/toggle-project-eshell)
+ (evil-define-key 'emacs eshell-mode-map (kbd ";d") 'dired)
+ (evil-define-key 'emacs eshell-mode-map (kbd "C-;") 'mode-line-other-buffer))
#+END_SRC
-* Evil-match
+* other extention
+** Evil-matchit
[[https://github.com/redguardtoo/evil-matchit]]
#+BEGIN_SRC emacs-lisp :tangle yes :results silent
(use-package evil-matchit
:ensure t
:config
- (global-evil-leader-mode 1))
+ (global-evil-matchit-mode 1))
#+END_SRC
-* Evil-visualstar
+** Evil-visualstar
#+BEGIN_SRC emacs-lisp :tangle yes :results silent
(use-package evil-visualstar
:ensure t
:config
(global-evil-visualstar-mode))
#+END_SRC
+* Key bindings
+There are three kinds key bindings
+- prefix key is the leader key, defined by evil-leader. *;*
+- prefix key is the =Ctrl=,
+- prefix key is =\=,
+
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ (with-eval-after-load "evil"
+ (mapc (lambda (map)
+ (define-key map "\C-W s" 'evil-window-split)
+ (define-key map "\C-W v" 'evil-window-vsplit)
+ (define-key map "\C-h" 'evil-window-left)
+ (define-key map "\C-j" 'evil-window-down)
+ (define-key map "\C-k" 'evil-window-up)
+ (define-key map "\C-l" 'evil-window-right)
+ (define-key map (kbd "C->") (lambda () (interactive) (evil-window-increase-width 3)))
+ (define-key map (kbd "C-<") (lambda () (interactive) (evil-window-decrease-width 3)))
+ (define-key map (kbd "C-+") (lambda () (interactive) (evil-window-increase-height 3)))
+ (define-key map (kbd "C--") (lambda () (interactive) (evil-window-decrease-height 3)))
+ (define-key map (kbd "C-=") (lambda () (interactive) (balance-windows))))
+ (list evil-normal-state-map evil-motion-state-map))
+
+ (define-key evil-normal-state-map (kbd "C-SPC") 'mode-line-other-buffer)
+ (define-key evil-normal-state-map (kbd "C-;") 'previous-multiframe-window)
+
+ (define-key evil-insert-state-map (kbd "C-p") 'previous-line)
+ (define-key evil-insert-state-map (kbd "C-n") 'next-line))
+
+#+END_SRC
+
+
+Let the search highlight persistent, https://stackoverflow.com/questions/25768036/emacs-evil-non-incremental-search-and-persistent-highlighting/34252236
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ (evil-select-search-module 'evil-search-module 'evil-search)
+
+ (with-eval-after-load "evil"
+ (define-key evil-normal-state-map "\\" nil)
+ (define-key evil-normal-state-map "\\\\" #'evil-ex-nohighlight))
+#+END_SRC
+* Others
+#+BEGIN_SRC emacs-lisp :tangle yes :results silent
+ (dolist (mode '(c-mode-hook lua-mode-hook))
+ (add-hook mode (lambda () (setq indent-tabs-mode nil))))
+#+END_SRC
* Provide
#+BEGIN_SRC emacs-lisp :tangle yes :results silent
(provide 'init-evil-mode)