139 lines
5.1 KiB
EmacsLisp
139 lines
5.1 KiB
EmacsLisp
;;; evil-collection-company.el --- Bindings for `company-mode' -*- lexical-binding: t -*-
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;; Copyright (C) 2017 James Nguyen
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;; Author: James Nguyen <james@jojojames.com>
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;; Maintainer: James Nguyen <james@jojojames.com>
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;; Pierre Neidhardt <mail@ambrevar.xyz>
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;; URL: https://github.com/emacs-evil/evil-collection
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;; Version: 0.0.1
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;; Package-Requires: ((emacs "26.3"))
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;; Keywords: evil, company, abbrev, convenience, matching
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Bindings for `company-mode'.
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;;; Code:
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(require 'company nil t)
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(require 'evil-collection)
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(declare-function company-tng-mode "company-tng")
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(declare-function company-grab-line "company")
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(declare-function company-begin-backend "company")
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(declare-function company-ensure-emulation-alist "company")
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(defgroup evil-collection-company nil
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"Evil bindings for `company-mode'."
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:group 'evil-collection)
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(defcustom evil-collection-company-supported-states '(insert replace emacs)
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"The `evil-state's which `company' function can be requested."
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:type '(repeat symbol))
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(defcustom evil-collection-want-company-extended-keybindings nil
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"The \='evil-company-extended' keybindings should be requested"
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:type 'boolean)
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(defcustom evil-collection-company-enable-keymap-protection t
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"Prevent evil from breaking company completion keymap.
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When non-nil, prevents evil from overriding `company-active-map'
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after calling `company-doc-buffer'. If disabled, the completion
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keymap will be in a broken state."
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:type 'boolean)
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(defvar company-active-map)
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(defvar company-search-map)
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(defconst evil-collection-company-maps '(company-active-map company-search-map))
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(defun evil-collection-company-supported-p (command &rest _)
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"Return non-nil if `evil-state' is in supported states."
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(cond
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((not (bound-and-true-p evil-mode)) t)
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((eq command 'prefix)
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(memq evil-state evil-collection-company-supported-states))
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(t t)))
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(defun evil-collection-company-protect-keymap ()
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"Prevent evil from overriding `company-mode' completion keymap."
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(when (and evil-collection-company-enable-keymap-protection
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(memq 'company-emulation-alist emulation-mode-map-alists))
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(company-ensure-emulation-alist)))
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;;;###autoload
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(defun evil-collection-company-whole-lines (command &optional arg &rest _ignored)
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"`company-mode' completion backend that completes whole-lines, akin to vim's
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C-x C-l."
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(interactive (list 'interactive))
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(require 'company)
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(pcase command
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(`interactive (company-begin-backend 'evil-collection-company-whole-lines))
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(`prefix (company-grab-line "^[\t\s]*\\(.+\\)" 1))
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(`candidates
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(all-completions
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arg
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(delete-dups
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(split-string
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(replace-regexp-in-string
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"^[\t\s]+" ""
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(concat (buffer-substring-no-properties (point-min) (line-beginning-position))
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(buffer-substring-no-properties (line-end-position) (point-max))))
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"\\(\r\n\\|[\n\r]\\)" t))))))
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;;;###autoload
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(defun evil-collection-company-setup ()
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"Set up `evil' bindings for `company'."
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(evil-collection-define-key nil 'company-active-map
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(kbd "C-n") 'company-select-next-or-abort
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(kbd "C-p") 'company-select-previous-or-abort
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(kbd "C-j") 'company-select-next-or-abort
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(kbd "C-k") 'company-select-previous-or-abort
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(kbd "M-j") 'company-select-next
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(kbd "M-k") 'company-select-previous)
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(when evil-collection-want-company-extended-keybindings
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(evil-collection-define-key nil 'company-active-map
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(kbd "C-l") 'evil-collection-company-whole-lines
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(kbd "C-]") 'company-etags
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(kbd "C-f") 'company-files
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(kbd "C-o") 'company-capf
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(kbd "C-s") 'company-ispell))
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(when evil-want-C-u-scroll
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(evil-collection-define-key nil 'company-active-map
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(kbd "C-u") 'company-previous-page))
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(when evil-want-C-d-scroll
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(evil-collection-define-key nil 'company-active-map
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(kbd "C-d") 'company-next-page))
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(evil-collection-define-key nil 'company-search-map
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(kbd "C-j") 'company-select-next-or-abort
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(kbd "C-k") 'company-select-previous-or-abort
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(kbd "M-j") 'company-select-next
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(kbd "M-k") 'company-select-previous
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(kbd "<escape>") 'company-search-abort)
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;; https://github.com/emacs-evil/evil-collection/issues/664
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(add-hook 'evil-local-mode-hook #'evil-collection-company-protect-keymap)
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;; Make `company-mode' not show popup when not in supported state
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(advice-add 'company-call-backend
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:before-while 'evil-collection-company-supported-p))
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(provide 'evil-collection-company)
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;;; evil-collection-company.el ends here
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