doomemacs/modules/config/default/+evil.el
Henrik Lissner 66d75936fc
config/default: split into evil/emacs files
Done to better facilitate a non-evil config.

- Adds winum (and enables support for it in doom-modeline)
- Adds expand-region (#1231)
- Uses default smartparens config for non-evil users (WIP)
2019-03-09 03:43:14 -05:00

110 lines
4.4 KiB
EmacsLisp

;;; config/default/+evil.el -*- lexical-binding: t; -*-
(defun +default|disable-delete-selection-mode ()
(delete-selection-mode -1))
(add-hook 'evil-insert-state-entry-hook #'delete-selection-mode)
(add-hook 'evil-insert-state-exit-hook #'+default|disable-delete-selection-mode)
;;
;;; Smartparens config
(when (featurep! +smartparens)
;; You can disable :unless predicates with (sp-pair "'" nil :unless nil)
;; And disable :post-handlers with (sp-pair "{" nil :post-handlers nil)
;; or specific :post-handlers with:
;; (sp-pair "{" nil :post-handlers '(:rem ("| " "SPC")))
(after! smartparens
;; Autopair quotes more conservatively; if I'm next to a word/before another
;; quote, I likely don't want to open a new pair.
(let ((unless-list '(sp-point-before-word-p
sp-point-after-word-p
sp-point-before-same-p)))
(sp-pair "'" nil :unless unless-list)
(sp-pair "\"" nil :unless unless-list))
;; Expand {|} => { | }
;; Expand {|} => {
;; |
;; }
(dolist (brace '("(" "{" "["))
(sp-pair brace nil
:post-handlers '(("||\n[i]" "RET") ("| " "SPC"))
;; I likely don't want a new pair if adjacent to a word or opening brace
:unless '(sp-point-before-word-p sp-point-before-same-p)))
;; Major-mode specific fixes
(sp-local-pair '(ruby-mode enh-ruby-mode) "{" "}"
:pre-handlers '(:rem sp-ruby-pre-handler)
:post-handlers '(:rem sp-ruby-post-handler))
;; Don't do square-bracket space-expansion where it doesn't make sense to
(sp-local-pair '(emacs-lisp-mode org-mode markdown-mode gfm-mode)
"[" nil :post-handlers '(:rem ("| " "SPC")))
;; Reasonable default pairs for HTML-style comments
(sp-local-pair (append sp--html-modes '(markdown-mode gfm-mode))
"<!--" "-->"
:unless '(sp-point-before-word-p sp-point-before-same-p)
:actions '(insert) :post-handlers '(("| " "SPC")))
;; Disable electric keys in C modes because it interferes with smartparens
;; and custom bindings. We'll do it ourselves (mostly).
(after! cc-mode
(c-toggle-electric-state -1)
(c-toggle-auto-newline -1)
(setq c-electric-flag nil)
(dolist (key '("#" "{" "}" "/" "*" ";" "," ":" "(" ")" "\177"))
(define-key c-mode-base-map key nil)))
;; Expand C-style doc comment blocks. Must be done manually because some of
;; these languages use specialized (and deferred) parsers, whose state we
;; can't access while smartparens is doing its thing.
(defun +default-expand-doc-comment-block (&rest _ignored)
(let ((indent (current-indentation)))
(newline-and-indent)
(save-excursion
(newline)
(insert (make-string indent 32) " */")
(delete-char 2))))
(sp-local-pair
'(js2-mode typescript-mode rjsx-mode rust-mode c-mode c++-mode objc-mode
csharp-mode java-mode php-mode css-mode scss-mode less-css-mode
stylus-mode)
"/*" "*/"
:actions '(insert)
:post-handlers '(("| " "SPC") ("|\n*/[i][d-2]" "RET") (+default-expand-doc-comment-block "*")))
;; Highjacks backspace to:
;; a) balance spaces inside brackets/parentheses ( | ) -> (|)
;; b) delete space-indented `tab-width' steps at a time
;; c) close empty multiline brace blocks in one step:
;; {
;; |
;; }
;; becomes {|}
;; d) refresh smartparens' :post-handlers, so SPC and RET expansions work
;; even after a backspace.
;; e) properly delete smartparen pairs when they are encountered, without
;; the need for strict mode.
;; f) do none of this when inside a string
(advice-add #'delete-backward-char :override #'+default*delete-backward-char)
;; Makes `newline-and-indent' continue comments (and more reliably)
(advice-add #'newline-and-indent :around #'+default*newline-indent-and-continue-comments)))
;;
;;; Keybindings
;; This section is dedicated to "fixing" certain keys so that they behave
;; sensibly (and consistently with similar contexts).
;; Make SPC u SPC u [...] possible (#747)
(map! :map universal-argument-map
:prefix doom-leader-key "u" #'universal-argument-more
:prefix doom-leader-alt-key "u" #'universal-argument-more)
(when (featurep! +bindings)
(load! "+evil-bindings"))