emacs-prelude/modules/prelude-helm.el

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;;; prelude-helm.el --- Helm setup
;;
;; Copyright © 2011-2014 Bozhidar Batsov
;;
;; Author: Bozhidar Batsov <bozhidar@batsov.com>
;; URL: https://github.com/bbatsov/prelude
;; Version: 1.0.0
;; Keywords: convenience
;; This file is not part of GNU Emacs.
;;; Commentary:
;; Some config for Helm that follows thiks guide: http://tuhdo.github.io/helm-intro.html
;;; License:
;; 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Code:
(prelude-require-packages '(helm helm-projectile))
(require 'helm)
;; must set before helm-config, otherwise helm use default
;; prefix "C-x c", which is inconvenient because you can
;; accidentially pressed "C-x C-c"
(setq helm-command-prefix-key "C-c h")
(require 'helm-config)
(require 'helm-files)
(require 'helm-grep)
(define-key helm-map (kbd "<tab>") 'helm-execute-persistent-action) ; rebihnd tab to do persistent action
(define-key helm-map (kbd "C-i") 'helm-execute-persistent-action) ; make TAB works in terminal
(define-key helm-map (kbd "C-z") 'helm-select-action) ; list actions using C-z
(define-key helm-grep-mode-map (kbd "<return>") 'helm-grep-mode-jump-other-window)
(define-key helm-grep-mode-map (kbd "n") 'helm-grep-mode-jump-other-window-forward)
(define-key helm-grep-mode-map (kbd "p") 'helm-grep-mode-jump-other-window-backward)
(setq
helm-google-suggest-use-curl-p t
helm-scroll-amount 4 ; scroll 4 lines other window using M-<next>/M-<prior>
helm-quick-update t ; do not display invisible candidates
helm-idle-delay 0.01 ; be idle for this many seconds, before updating in delayed sources.
helm-input-idle-delay 0.01 ; be idle for this many seconds, before updating candidate buffer
helm-ff-search-library-in-sexp t ; search for library in `require' and `declare-function' sexp.
helm-split-window-default-side 'other ;; open helm buffer in another window
helm-split-window-in-side-p t ;; open helm buffer inside current window, not occupy whole other window
helm-buffers-favorite-modes (append helm-buffers-favorite-modes
'(picture-mode artist-mode))
helm-candidate-number-limit 500 ; limit the number of displayed canidates
helm-M-x-requires-pattern 0 ; show all candidates when set to 0
helm-ff-file-name-history-use-recentf t
helm-move-to-line-cycle-in-source t ; move to end or beginning of source
; when reaching top or bottom of source.
ido-use-virtual-buffers t ; Needed in helm-buffers-list
helm-buffers-fuzzy-matching t ; fuzzy matching buffer names when non-nil
; useful in helm-mini that lists buffers
)
(global-set-key (kbd "C-c h o") 'helm-occur)
(global-set-key (kbd "C-c h g") 'helm-do-grep)
(global-set-key (kbd "C-c h C-c w") 'helm-wikipedia-suggest)
(global-set-key (kbd "C-c h x") 'helm-register)
(global-set-key (kbd "C-c h SPC") 'helm-all-mark-rings)
;;; Save current position to mark ring
(add-hook 'helm-goto-line-before-hook 'helm-save-current-pos-to-mark-ring)
;; PACKAGE: helm-projectile
(require 'helm-projectile)
(push "Press <C-c p h> to navigate a project in Helm." prelude-tips)
(provide 'prelude-helm)
;;; prelude-helm.el ends here