196 lines
6.7 KiB
EmacsLisp
196 lines
6.7 KiB
EmacsLisp
;;; helm-company.el --- Helm interface for company-mode
|
|
|
|
;; Copyright (C) 2013 Yasuyuki Oka <yasuyk@gmail.com>
|
|
|
|
;; Author: Yasuyuki Oka <yasuyk@gmail.com>
|
|
;; Version: 0.1.1
|
|
;; Package-Version: 20160516.2258
|
|
;; URL: https://github.com/yasuyk/helm-company
|
|
;; Package-Requires: ((helm "1.5.9") (company "0.6.13"))
|
|
|
|
;; 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:
|
|
|
|
;; Add the following to your Emacs init file:
|
|
;;
|
|
;; (autoload 'helm-company "helm-company") ;; Not necessary if using ELPA package
|
|
;; (eval-after-load 'company
|
|
;; '(progn
|
|
;; (define-key company-mode-map (kbd "C-:") 'helm-company)
|
|
;; (define-key company-active-map (kbd "C-:") 'helm-company)))
|
|
|
|
;;; Code:
|
|
|
|
(require 'helm)
|
|
(require 'helm-multi-match)
|
|
(require 'helm-files)
|
|
(require 'helm-elisp) ;; For with-helm-show-completion
|
|
(require 'company)
|
|
|
|
(defgroup helm-company nil
|
|
"Helm interface for company-mode."
|
|
:prefix "helm-company-"
|
|
:group 'helm)
|
|
|
|
(defcustom helm-company-candidate-number-limit 300
|
|
"Limit candidate number of `helm-company'.
|
|
|
|
Set it to nil if you don't want this limit."
|
|
:group 'helm-company
|
|
:type '(choice (const :tag "Disabled" nil) integer))
|
|
|
|
(defvar helm-company-help-window nil)
|
|
(defvar helm-company-backend nil)
|
|
|
|
(defun helm-company-call-backend (&rest args)
|
|
"Bridge between helm-company and company"
|
|
(let ((company-backend helm-company-backend))
|
|
(apply 'company-call-backend args)))
|
|
|
|
(defun helm-company-init ()
|
|
"Prepare helm for company."
|
|
(helm-attrset 'company-candidates company-candidates)
|
|
(helm-attrset 'company-common company-common)
|
|
(setq helm-company-help-window nil)
|
|
(if (<= (length company-candidates) 1)
|
|
(helm-exit-minibuffer)
|
|
(setq helm-company-backend company-backend
|
|
helm-company-candidates company-candidates))
|
|
(company-abort))
|
|
|
|
(defun helm-company-action-insert (candidate)
|
|
"Insert CANDIDATE."
|
|
(delete-char (- (length (helm-attr 'company-common))))
|
|
(insert candidate)
|
|
;; for GC
|
|
(helm-attrset 'company-candidates nil))
|
|
|
|
(defun helm-company-action-show-document (candidate)
|
|
"Show the documentation of the CANDIDATE."
|
|
(interactive)
|
|
(let ((selection (cl-find-if (lambda (s) (string-match-p candidate s)) helm-company-candidates))
|
|
(buffer (helm-company-call-backend 'doc-buffer selection)))
|
|
(when buffer
|
|
(display-buffer buffer))))
|
|
|
|
(defun helm-company-show-doc-buffer (candidate)
|
|
"Temporarily show the documentation buffer for the CANDIDATE."
|
|
(interactive)
|
|
(let* ((selection (cl-find-if (lambda (s) (string-match-p candidate s)) helm-company-candidates))
|
|
(buffer (helm-company-call-backend 'doc-buffer selection)))
|
|
(when buffer
|
|
(if (and helm-company-help-window
|
|
(window-live-p helm-company-help-window))
|
|
(with-selected-window helm-company-help-window
|
|
(helm-company-display-persistent-buffer buffer))
|
|
(setq helm-company-help-window
|
|
(helm-company-display-persistent-buffer buffer))))))
|
|
|
|
(defun helm-company-find-location (candidate)
|
|
"Find location of CANDIDATE."
|
|
(interactive)
|
|
(let* ((selection (cl-find-if (lambda (s) (string-match-p candidate s)) helm-company-candidates))
|
|
(location (save-excursion (helm-company-call-backend 'location selection)))
|
|
(pos (or (cdr location) (error "No location available")))
|
|
(buffer (or (and (bufferp (car location)) (car location))
|
|
(find-file-noselect (car location) t))))
|
|
(with-selected-window (display-buffer buffer t)
|
|
(save-restriction
|
|
(widen)
|
|
(if (bufferp (car location))
|
|
(goto-char pos)
|
|
(goto-char (point-min))
|
|
(forward-line (1- pos))))
|
|
(set-window-start nil (point)))))
|
|
|
|
(defun helm-company-display-document-buffer (buffer)
|
|
"Temporarily show the documentation BUFFER."
|
|
(with-current-buffer buffer
|
|
(goto-char (point-min)))
|
|
(display-buffer buffer
|
|
'((display-buffer-same-window . t)
|
|
(display-buffer-reuse-window . t))))
|
|
|
|
(defmacro helm-company-run-action (&rest body)
|
|
`(with-helm-window
|
|
(save-selected-window
|
|
(with-helm-display-same-window
|
|
,@body))))
|
|
|
|
(defun helm-company-run-show-doc-buffer ()
|
|
"Run showing documentation action from `helm-company'."
|
|
(interactive)
|
|
(helm-company-run-action
|
|
(helm-company-show-doc-buffer (helm-get-selection))))
|
|
|
|
(defun helm-company-run-show-location ()
|
|
"Run showing location action from `helm-company'."
|
|
(interactive)
|
|
(helm-company-run-action
|
|
(helm-company-find-location (helm-get-selection))))
|
|
|
|
(defvar helm-company-map
|
|
(let ((keymap (make-sparse-keymap)))
|
|
(set-keymap-parent keymap helm-map)
|
|
(define-key keymap (kbd "M-s") 'helm-company-run-show-location)
|
|
(define-key keymap (kbd "C-s") 'helm-company-run-show-doc-buffer)
|
|
(delq nil keymap))
|
|
"Keymap used in Company sources.")
|
|
|
|
(defvar helm-company-actions
|
|
'(("Insert" . helm-company-action-insert)
|
|
("Show documentation (If available)" . helm-company-action-show-document)
|
|
("Find location (If available)" . helm-company-find-location))
|
|
"Actions for `helm-company'.")
|
|
|
|
(defcustom helm-company-fuzzy-match t
|
|
"Enable fuzzy matching for Helm Company."
|
|
:type 'boolean)
|
|
|
|
(defvar helm-source-company
|
|
(helm-build-in-buffer-source "Company"
|
|
:data (lambda ()
|
|
(helm-company-init)
|
|
(helm-attr 'company-candidates))
|
|
:fuzzy-match helm-company-fuzzy-match
|
|
:keymap helm-company-map
|
|
:persistent-action 'helm-company-show-doc-buffer
|
|
:persistent-help "Show documentation (If available)"
|
|
:action helm-company-actions)
|
|
"Helm source definition for recent files in current project.")
|
|
|
|
;;;###autoload
|
|
(defun helm-company ()
|
|
"Select `company-complete' candidates by `helm'.
|
|
It is useful to narrow candidates."
|
|
(interactive)
|
|
(unless company-candidates
|
|
(company-complete))
|
|
(when company-point
|
|
(company-complete-common)
|
|
(helm :sources 'helm-source-company
|
|
:buffer "*helm company*"
|
|
:candidate-number-limit helm-company-candidate-number-limit)))
|
|
|
|
(provide 'helm-company)
|
|
|
|
;; Local Variables:
|
|
;; coding: utf-8
|
|
;; eval: (setq byte-compile-not-obsolete-vars '(display-buffer-function))
|
|
;; eval: (checkdoc-minor-mode 1)
|
|
;; End:
|
|
|
|
;;; helm-company.el ends here
|