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;;; init-completion.el --- Completion Configuration File -*- lexical-binding: t -*-
;;; Commentary:
;; Config for completion-at-point (corfu) and minibuffer (vertico, embark, consult, etc)
;;; Code:
(use-package dabbrev
:diminish)
(use-package hippie-expand
:ensure nil
:init
(setq hippie-expand-try-functions-list
'(;yas-hippie-try-expand
try-expand-dabbrev
try-expand-all-abbrevs
try-expand-dabbrev-all-buffers
try-expand-dabbrev-from-kill
try-complete-file-name-partially
try-complete-file-name
try-expand-list
try-expand-line
try-complete-lisp-symbol-partially
try-complete-lisp-symbol))
:bind
("M-/" . hippie-expand))
(use-package emacs
:init
;; for corfu
(setq completion-cycle-threshold 3)
(setq tab-always-indent 'complete)
;; for vertico
;; Do not allow the cursor in the minibuffer prompt
(setq minibuffer-prompt-properties
'(read-only t cursor-intangible t face minibuffer-prompt))
(add-hook 'minibuffer-setup-hook #'cursor-intangible-mode)
(setq enable-recursive-minibuffers t)
(minibuffer-depth-indicate-mode t))
;; orderless is used by corfu and vertico
(use-package orderless
:bind (:map minibuffer-local-completion-map
("C-l" . my/orderless-match-components-literally))
:custom (orderless-component-separator 'orderless-escapable-split-on-space)
:init
(setq completion-styles '(orderless basic)
completion-category-defaults nil
completion-category-overrides '((file (styles . (partial-completion orderless)))))
(defun my/orderless-match-components-literally ()
"Components match literally for the rest of the session."
(interactive)
(setq-local orderless-matching-styles '(orderless-literal)
orderless-style-dispatchers nil))
:config
;; Recognizes the following patterns:
;; * ~flex flex~
;; * =literal literal=
;; * %char-fold char-fold%
;; * `initialism initialism`
;; * !without-literal without-literal!
;; * .ext (file extension)
;; * regexp$ (regexp matching at end)
(defun my/orderless-dispatch (pattern _index _total)
(cond
;; Ensure that $ works with Consult commands, which add disambiguation suffixes
((string-suffix-p "$" pattern) `(orderless-regexp . ,(concat (substring pattern 0 -1) "[\x100000-\x10FFFD]*$")))
;; File extensions
((string-match-p "\\`\\.." pattern) `(orderless-regexp . ,(concat "\\." (substring pattern 1) "[\x100000-\x10FFFD]*$")))
;; Ignore single !
((string= "!" pattern) `(orderless-literal . ""))
;; Character folding
((string-prefix-p "%" pattern) `(char-fold-to-regexp . ,(substring pattern 1)))
((string-suffix-p "%" pattern) `(char-fold-to-regexp . ,(substring pattern 0 -1)))
;; Without literal
((string-prefix-p "!" pattern) `(orderless-without-literal . ,(substring pattern 1)))
((string-suffix-p "!" pattern) `(orderless-without-literal . ,(substring pattern 0 -1)))
;; Initialism matching
((string-prefix-p "`" pattern) `(orderless-initialism . ,(substring pattern 1)))
((string-suffix-p "`" pattern) `(orderless-initialism . ,(substring pattern 0 -1)))
;; Literal matching
((string-prefix-p "=" pattern) `(orderless-literal . ,(substring pattern 1)))
((string-suffix-p "=" pattern) `(orderless-literal . ,(substring pattern 0 -1)))
;; Flex matching
((string-prefix-p "~" pattern) `(orderless-flex . ,(substring pattern 1)))
((string-suffix-p "~" pattern) `(orderless-flex . ,(substring pattern 0 -1)))))
(setq orderless-matching-styles '(orderless-literal orderless-regexp orderless-strict-leading-initialism)
orderless-style-dispatchers '(my/orderless-dispatch)))
;; code completion - corfu
(use-package corfu
;; Optional customizations
:custom
(corfu-cycle t) ;; Enable cycling for `corfu-next/previous'
:bind (:map corfu-map
("TAB" . corfu-next)
([tab] . corfu-next)
("S-TAB" . corfu-previous)
([backtab] . corfu-previous))
:init
(corfu-global-mode))
(use-package fancy-dabbrev
:diminish
:config
(global-fancy-dabbrev-mode))
;; minibuffer completion - vertico et al
(use-package vertico
:init
(vertico-mode)
(setq vertico-cycle t)
(advice-add #'vertico--format-candidate :around
(lambda (orig cand prefix suffix index _start)
(setq cand (funcall orig cand prefix suffix index _start))
(concat
(if (= vertico--index index)
(propertize "» " 'face 'vertico-current)
" ")
cand)))
:config
(defun down-from-outside ()
"Move to next candidate in minibuffer, even when minibuffer isn't selected."
(interactive)
(with-selected-window (active-minibuffer-window)
(execute-kbd-macro [down])))
(defun up-from-outside ()
"Move to previous candidate in minibuffer, even when minibuffer isn't selected."
(interactive)
(with-selected-window (active-minibuffer-window)
(execute-kbd-macro [up])))
(defun preview-from-outside ()
"Preview the selected candidate, even when minibuffer isn't selected."
(interactive)
(with-selected-window (active-minibuffer-window)
(execute-kbd-macro (kbd "M-."))))
(defun to-and-fro-minibuffer ()
"Go back and forth between minibuffer and other window."
(interactive)
(if (window-minibuffer-p (selected-window))
(select-window (minibuffer-selected-window))
(select-window (active-minibuffer-window))))
(key-chord-define-global "XX" 'to-and-fro-minibuffer)
;(key-chord-define-global ">>" 'preview-from-outside)
:bind (("C-M-<" . up-from-outside)
("C-M->" . down-from-outside)
("C-M-+" . preview-from-outside)
("M-X" . to-and-fro-minibuffer)
("C-M-S-g" . minibuffer-keyboard-quit)))
;; See init-packages.el for fetching of Vertico Extenions
;; Required extensions must be in the vertico-extensions var
(use-package vertico-directory
:load-path vertico-extensions-dir
:bind (:map vertico-map
("RET" . vertico-directory-enter)
("/" . vertico-directory-enter)
("DEL" . vertico-directory-delete-char)
("M-DEL" . vertico-directory-delete-word))
;; Tidy shadowed file names
:hook (rfn-eshadow-update-overlay . vertico-directory-tidy))
(use-package vertico-repeat
:load-path vertico-extensions-dir
:bind ("M-P" . vertico-repeat))
(use-package consult
:after projectile
:bind (;; C-c bindings (mode-specific-map)
("C-c h" . consult-history)
("C-c m" . consult-mode-command)
("C-c b" . consult-bookmark)
("C-c k" . consult-kmacro)
;; C-x bindings (ctl-x-map)
("C-x M-:" . consult-complex-command) ;; orig. repeat-complex-command
("C-x b" . consult-buffer) ;; orig. switch-to-buffer
("C-x B" . consult-buffer-no-preview) ;; orig. switch-to-buffer
("C-x 4 b" . consult-buffer-other-window) ;; orig. switch-to-buffer-other-window
("C-x 5 b" . consult-buffer-other-frame) ;; orig. switch-to-buffer-other-frame
;; Custom M-# bindings for fast register access
("M-#" . consult-register-load)
("M-'" . consult-register-store) ;; orig. abbrev-prefix-mark (unrelated)
("C-M-#" . consult-register)
;; Other custom bindings
("C-S-s" . consult-line)
("C-M-S" . consult-line-symbol-at-point)
("M-y" . consult-yank-pop) ;; orig. yank-pop
("<help> a" . consult-apropos) ;; orig. apropos-command
;; M-g bindings (goto-map)
("M-g e" . consult-compile-error)
("M-g f" . consult-flycheck)
("M-g g" . consult-goto-line) ;; orig. goto-line
("M-g M-g" . consult-goto-line) ;; orig. goto-line
("M-g o" . consult-outline) ;; Alternative: consult-org-heading
("M-g m" . consult-mark)
("M-g k" . consult-global-mark)
("M-g i" . consult-imenu)
("M-g I" . consult-project-imenu)
;; (Mostly) C-c c bindings (search-map)
("C-c f" . consult-recent-file)
("C-c c f" . consult-find)
("C-c c L" . consult-locate)
("C-c c g" . consult-grep)
("C-c c G" . consult-git-grep)
("C-c c r" . consult-ripgrep)
("C-c r" . consult-ripgrep)
("C-c c R" . consult-ripgrep-auto-preview)
("C-c R" . consult-ripgrep-auto-preview)
("C-c c M-r" . consult-ripgrep-unrestricted)
("C-c c s" . consult-ripgrep-symbol-at-point)
("C-c c l" . consult-line)
("C-c c m" . consult-multi-occur)
("C-c c k" . consult-keep-lines)
("C-c c u" . consult-focus-lines)
;; Isearch integration
("C-c c e" . consult-isearch)
:map isearch-mode-map
("M-e" . consult-isearch) ;; orig. isearch-edit-string
("C-c c e" . consult-isearch) ;; orig. isearch-edit-string
("C-c c l" . consult-line)) ;; needed by consult-line to detect isearch
:init
;; Optionally configure the register formatting. This improves the register
;; preview for `consult-register', `consult-register-load',
;; `consult-register-store' and the Emacs built-ins.
(setq register-preview-delay 0
register-preview-function #'consult-register-format)
;; Optionally tweak the register preview window.
;; This adds thin lines, sorting and hides the mode line of the window.
(advice-add #'register-preview :override #'consult-register-window)
;; Optionally replace `completing-read-multiple' with an enhanced version.
(advice-add #'completing-read-multiple :override #'consult-completing-read-multiple)
;; Use Consult to select xref locations with preview
(setq xref-show-xrefs-function #'consult-xref
xref-show-definitions-function #'consult-xref)
:config
;; Optionally configure preview. The default value
;; is 'any, such that any key triggers the preview.
;; (setq consult-preview-key 'any)
;; (setq consult-preview-key (kbd "M-."))
;; (setq consult-preview-key (list (kbd "<S-down>") (kbd "<S-up>")))
;; For some commands and buffer sources it is useful to configure the
;; :preview-key on a per-command basis using the `consult-customize' macro.
(consult-customize
consult-theme
:preview-key '(:debounce 0.2 any)
consult-ripgrep consult-git-grep consult-grep
consult-ripgrep-unrestricted consult-ripgrep-symbol-at-point
consult-bookmark consult-recent-file consult-xref consult-buffer-no-preview
consult--source-file consult--source-project-file consult--source-bookmark
:preview-key (kbd "M-."))
;; Optionally configure the narrowing key.
;; Both < and C-+ work reasonably well.
(setq consult-narrow-key "<") ;; (kbd "C-+")
;; Optionally make narrowing help available in the minibuffer.
;; You may want to use `embark-prefix-help-command' or which-key instead.
;; (define-key consult-narrow-map (vconcat consult-narrow-key "?") #'consult-narrow-help)
(autoload 'projectile-project-root "projectile")
(setq consult-project-root-function #'projectile-project-root)
(defvar consult-initial-narrow-config
'((consult-buffer . ?p)
(consult-buffer-no-preview . ?p)))
;; Add initial narrowing hook
(defun consult-initial-narrow ()
(when-let (key (alist-get this-command consult-initial-narrow-config))
(setq unread-command-events (append unread-command-events (list key 32)))))
(add-hook 'minibuffer-setup-hook #'consult-initial-narrow)
(when (and (eq system-type 'darwin) (string-match-p "^find" consult-find-command))
(setq consult-find-command (concat "g" consult-find-command)))
(defun consult--orderless-regexp-compiler (input type)
(setq input (orderless-pattern-compiler input))
(cons
(mapcar (lambda (r) (consult--convert-regexp r type)) input)
(lambda (str) (orderless--highlight input str))))
;; (setq consult--regexp-compiler #'consult--orderless-regexp-compiler)
(defun consult--with-orderless (&rest args)
(minibuffer-with-setup-hook
(lambda ()
(setq-local consult--regexp-compiler #'consult--orderless-regexp-compiler))
(apply args)))
(advice-add #'consult-ripgrep :around #'consult--with-orderless)
(defun consult-ripgrep-symbol-at-point (&optional dir initial)
(interactive
(list prefix-arg (when-let ((s (symbol-at-point)))
(symbol-name s))))
(consult-ripgrep dir initial))
(defun consult-ripgrep-auto-preview (&optional dir initial)
(interactive "P")
(consult-ripgrep dir initial))
(defun consult-ripgrep-unrestricted (&optional dir initial)
(interactive "P")
(let ((consult-ripgrep-args (replace-regexp-in-string "\\." "-uu ." consult-ripgrep-args)))
(consult-ripgrep dir initial)))
(defun consult-buffer-no-preview ()
(interactive)
(consult-buffer))
(defun consult-line-symbol-at-point ()
(interactive)
(consult-line (thing-at-point 'symbol))))
(use-package consult-flycheck)
(use-package consult-lsp
:bind (:map lsp-mode-map
([remap xref-find-apropos] . consult-lsp-symbols)))
(use-package consult-dir
:ensure t
:bind (("C-x C-d" . consult-dir)
:map vertico-map ;minibuffer-local-completion-map
("C-x C-d" . consult-dir)
("C-x C-j" . consult-dir-jump-file)))
(use-package marginalia
:bind (("M-A" . marginalia-cycle)
:map minibuffer-local-map
("M-A" . marginalia-cycle))
:init
(marginalia-mode)
:config
;; For Projectile
(add-to-list 'marginalia-prompt-categories '("Switch to project" . file))
(add-to-list 'marginalia-prompt-categories '("Find file" . project-file))
(add-to-list 'marginalia-prompt-categories '("Recently visited files" . project-file))
(add-to-list 'marginalia-prompt-categories '("Switch to buffer" . buffer)))
(use-package embark
:bind
(("C-." . embark-act)
("C-;" . embark-dwim)
("C-c C-o" . embark-export)
("C-h b" . embark-bindings)
("C-h B" . describe-bindings))
:init
;; Optionally replace the key help with a completing-read interface
(setq prefix-help-command #'embark-prefix-help-command)
:config
;; Hide the mode line of the Embark live/completions buffers
(add-to-list 'display-buffer-alist
'("\\`\\*Embark Collect \\(Live\\|Completions\\)\\*"
nil
(window-parameters (mode-line-format . none)))))
(use-package embark-consult
:after (embark consult)
:demand t ; only necessary if you have the hook below
;; if you want to have consult previews as you move around an
;; auto-updating embark collect buffer
:hook
(embark-collect-mode . consult-preview-at-point-mode))
(provide 'init-completion)
;;; init-completion.el ends here
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