my-emacs-d/elpa/helm-smex-20160530.1236/helm-smex.el

99 lines
3.1 KiB
EmacsLisp

;;; helm-smex.el --- Helm interface for smex -*- lexical-binding: t; -*-
;; Copyright (C) 2016 Peter Vasil
;; Author: Peter Vasil <mail@petervasil.net>
;; Version: 0.1
;; Package-Version: 20160530.1236
;; Package-Requires: ((emacs "24") (smex "3.0") (helm "1.7.7"))
;; Keywords: convenience
;; 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:
;; This package provides the helm interface for smex.
;;
;; Example config:
;;
;; (require 'helm-smex)
;; (global-set-key [remap execute-extended-command] #'helm-smex)
;; (global-set-key (kbd "M-X") #'helm-smex-major-mode-commands)
;;; Code:
(require 'smex)
(require 'helm)
(require 'helm-elisp)
(require 'helm-source)
(defun helm-smex--init ()
(unless smex-initialized-p
(smex-initialize))
(and smex-auto-update
(smex-detect-new-commands)
(smex-update)))
(defun helm-smex--execute-command (command)
(let ((prefix-arg current-prefix-arg))
(unwind-protect
(command-execute command 'record)
(smex-rank command))))
(defun helm-smex--persistent-action (candidate)
(helm-elisp--persistent-help
candidate 'helm-describe-function))
(defclass helm-smex-source (helm-source-sync)
((init :initform 'helm-smex--init)
(candidates :initform 'smex-ido-cache)
(match :initform 'helm-fuzzy-match)
(action :initform 'helm-smex--execute-command)
(coerce :initform 'intern)
(persistent-action
:initform helm-smex--persistent-action)
(persistent-help :initform "Describe command")))
(defun helm-smex--major-mode-commands (mode map)
(unless smex-initialized-p
(smex-initialize))
(let ((commands
(delete-dups
(append (smex-extract-commands-from-keymap map)
(smex-extract-commands-from-features mode)))))
(mapcar #'symbol-name
(smex-sort-according-to-cache commands))))
;;;###autoload
(defun helm-smex ()
(interactive)
(let ((helm--mode-line-display-prefarg t))
(helm :buffer "*helm-smex*"
:sources (helm-make-source "Smex" 'helm-smex-source))))
;;;###autoload
(defun helm-smex-major-mode-commands ()
(interactive)
(let ((helm--mode-line-display-prefarg t)
(candidates-fn (apply #'helm-smex--major-mode-commands
(list major-mode (current-local-map)))))
(helm :buffer "*helm-smex*"
:sources (helm-make-source
"Smex-major-mode-commands" 'helm-smex-source
:init nil :candidates candidates-fn))))
(provide 'helm-smex)
;;; helm-smex.el ends here