doomemacs/modules/completion/helm/config.el
Henrik Lissner fb233bd37d
completion/helm: fix evil keybinds in helm
Evil-mode was disabled in the minibuffer due to odd behavior, causing
all helm's evilified keybinds to be inaccessible.
2018-07-30 03:43:43 +02:00

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;;; completion/helm/config.el -*- lexical-binding: t; -*-
(defvar +helm-global-prompt " "
"The helm text prompt prefix string is globally replaced with this string.")
(defvar +helm-project-search-engines '(rg ag pt)
"What search tools for `+helm/project-search' (and `+helm-file-search' when no
ENGINE is specified) to try, and in what order.
To disable a particular tool, remove it from this list. To prioritize a tool
over others, move it to the front of the list. Later duplicates in this list are
silently ignored.
If you want to already use git-grep or grep, set this to nil.")
;;
;; Packages
;;
(def-package! helm-mode
:defer 1
:after-call pre-command-hook
:init
(define-key! 'global
[remap apropos] #'helm-apropos
[remap bookmark-jump] #'helm-bookmarks
[remap execute-extended-command] #'helm-M-x
[remap find-file] #'helm-find-files
[remap imenu-anywhere] #'helm-imenu-anywhere
[remap imenu] #'helm-semantic-or-imenu
[remap noop-show-kill-ring] #'helm-show-kill-ring
[remap projectile-find-file] #'helm-projectile-find-file
[remap projectile-recentf] #'helm-projectile-recentf
[remap projectile-switch-project] #'helm-projectile-switch-project
[remap projectile-switch-to-buffer] #'helm-projectile-switch-to-buffer
[remap recentf-open-files] #'helm-recentf)
:config
(helm-mode +1)
;; helm is too heavy for find-file-at-point
(add-to-list 'helm-completing-read-handlers-alist (cons #'find-file-at-point nil)))
(def-package! helm
:after helm-mode
:init
(setq helm-candidate-number-limit 50
;; Display extraineous helm UI elements
helm-display-header-line nil
helm-ff-auto-update-initial-value nil
helm-find-files-doc-header nil
;; Don't override evil-ex's completion
helm-mode-handle-completion-in-region nil)
:config
(defun +helm*replace-prompt (plist)
"Globally replace helm prompts with `+helm-global-prompt'."
(cond ((not +helm-global-prompt) plist)
((keywordp (car plist))
(plist-put plist :prompt +helm-global-prompt))
((setf (nth 2 plist) +helm-global-prompt)
plist)))
(advice-add #'helm :filter-args #'+helm*replace-prompt)
(defun +helm*hide-header (&rest _)
"Hide header-line & mode-line in helm windows."
(setq mode-line-format nil))
(advice-add #'helm-display-mode-line :override #'+helm*hide-header)
(defun +helm*hide-minibuffer-maybe ()
"Hide minibuffer in Helm session if we use the header line as input field."
(when (with-current-buffer (helm-buffer-get) helm-echo-input-in-header-line)
(let ((ov (make-overlay (point-min) (point-max) nil nil t)))
(overlay-put ov 'window (selected-window))
(overlay-put ov 'face
(let ((bg-color (face-background 'default nil)))
`(:background ,bg-color :foreground ,bg-color)))
(setq-local cursor-type nil))))
(add-hook 'helm-minibuffer-set-up-hook #'+helm*hide-minibuffer-maybe))
(def-package! helm-flx
:when (featurep! +fuzzy)
:after helm
:init
(setq helm-candidate-number-limit 40
helm-M-x-fuzzy-match t
helm-apropos-fuzzy-match t
helm-bookmark-show-location t
helm-buffers-fuzzy-matching t
helm-completion-in-region-fuzzy-match t
helm-file-cache-fuzzy-match t
helm-imenu-fuzzy-match t
helm-locate-fuzzy-match t
helm-flx-for-helm-locate t
helm-mode-fuzzy-match t
helm-projectile-fuzzy-match t
helm-recentf-fuzzy-match t
helm-semantic-fuzzy-match t)
:config
(helm-flx-mode +1))
;; `helm-ag'
(after! helm-ag
(map! :map helm-ag-edit-map :n "RET" #'compile-goto-error)
(define-key helm-ag-edit-map [remap quit-window] #'helm-ag--edit-abort)
(set-popup-rule! "^\\*helm-ag-edit" :size 0.35 :ttl 0 :quit nil))
;; `helm-bookmark'
(setq helm-bookmark-show-location t)
;; `helm-css-scss' -- https://github.com/ShingoFukuyama/helm-css-scss
(setq helm-css-scss-split-direction #'split-window-vertically
helm-css-scss-split-with-multiple-windows t)
;; `helm-files'
(after! helm-files
(setq helm-boring-file-regexp-list
(append (list "\\.projects$" "\\.DS_Store$")
helm-boring-file-regexp-list)))
;; `helm-locate'
(defvar helm-generic-files-map (make-sparse-keymap))
(after! helm-locate (set-keymap-parent helm-generic-files-map helm-map))
;; `helm-projectile'
(def-package! helm-projectile
:commands (helm-projectile-find-file
helm-projectile-recentf
helm-projectile-switch-project
helm-projectile-switch-to-buffer)
:init
(setq projectile-completion-system 'helm)
(defvar helm-projectile-find-file-map (make-sparse-keymap))
:config
(set-keymap-parent helm-projectile-find-file-map helm-map))
(def-package! helm-swoop ; https://github.com/ShingoFukuyama/helm-swoop
:commands helm-multi-swoop-all
:config
(setq helm-swoop-use-line-number-face t
helm-swoop-candidate-number-limit 200
helm-swoop-speed-or-color t
;; no initial input
helm-swoop-pre-input-function (lambda () "")
;; Always split below current window
helm-swoop-split-with-multiple-windows t))
(def-package! wgrep
:commands wgrep-change-to-wgrep-mode
:config (setq wgrep-auto-save-buffer t))
(def-package! posframe
:when (and EMACS26+ (featurep! +childframe))
:after helm
:config
(defvar +helm--posframe-buffer nil)
(defun +helm-posframe-display (buffer &optional _resume)
(posframe-show
(setq +helm--posframe-buffer buffer)
:poshandler #'posframe-poshandler-frame-bottom-left-corner
:left-fringe 10
:width (frame-width)
:height 16 ;; ivy/+childframe uses 16
:respect-header-line t))
(defun +helm|posframe-cleanup ()
(posframe-hide +helm--posframe-buffer))
(add-hook 'helm-cleanup-hook #'+helm|posframe-cleanup)
(setq helm-display-function #'+helm-posframe-display))
;;
;; Evil integration
;;
(when (featurep! :feature evil +everywhere)
(setq helm-default-prompt-display-function #'+helm--set-prompt-display)
(map! (:after helm
:map helm-map
"C-S-p" #'helm-previous-source
"C-S-n" #'helm-next-source
"C-l" #'helm-execute-persistent-action
"C-j" #'helm-next-line
"C-k" #'helm-previous-line
"C-f" #'helm-next-page
"C-u" #'helm-previous-page
[tab] #'helm-select-action)
(:after helm-files
:map (helm-find-files-map helm-read-file-map)
[M-return] #'helm-ff-run-switch-other-window
"M-h" #'helm-find-files-up-one-level)
(:after helm-locate
:map helm-generic-files-map
"S-<return>" #'helm-ff-run-switch-other-window)
(:after helm-buffers
:map helm-buffer-map
[M-return] #'helm-buffer-switch-other-window
[return] #'display-buffer)
(:after helm-regexp
:map helm-moccur-map
[M-return] #'helm-moccur-run-goto-line-ow)
(:after helm-grep
:map helm-grep-map
[M-return] #'helm-grep-run-other-window-action)))