127 lines
4.7 KiB
EmacsLisp
127 lines
4.7 KiB
EmacsLisp
;;; helm-x-files.el --- helm auxiliary functions and sources. -*- lexical-binding: t -*-
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;; Copyright (C) 2012 ~ 2023 Thierry Volpiatto
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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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;;; Code:
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(require 'helm-for-files)
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;;; List of files gleaned from every dired buffer
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;;
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;;
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(defvar dired-buffers)
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(defvar directory-files-no-dot-files-regexp)
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(defun helm-files-in-all-dired-candidates ()
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"Return a list of files from live `dired' buffers."
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(save-excursion
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(cl-loop for (f . b) in dired-buffers
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when (buffer-live-p b)
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append (let ((dir (with-current-buffer b dired-directory)))
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(if (listp dir) (cdr dir)
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(directory-files f t directory-files-no-dot-files-regexp))))))
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;; (dired '("~/" "~/.emacs.d/.emacs-custom.el" "~/.emacs.d/.emacs.bmk"))
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(defclass helm-files-dired-source (helm-source-sync helm-type-file)
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((candidates :initform #'helm-files-in-all-dired-candidates)))
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(defvar helm-source-files-in-all-dired
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(helm-make-source "Files in all dired buffer." 'helm-files-dired-source))
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;;; session.el files
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;;
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;; session (http://emacs-session.sourceforge.net/) is an alternative to
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;; recentf that saves recent file history and much more.
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(defvar session-file-alist)
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(defclass helm-source-session-class (helm-source-sync)
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((candidates :initform (lambda ()
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(cl-delete-if-not
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(lambda (f)
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(or (string-match helm-tramp-file-name-regexp f)
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(file-exists-p f)))
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(mapcar 'car session-file-alist))))
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(keymap :initform 'helm-generic-files-map)
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(help-message :initform 'helm-generic-file-help-message)
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(action :initform 'helm-type-file-actions)))
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(defvar helm-source-session nil
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"File list from emacs-session.")
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(defcustom helm-session-fuzzy-match nil
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"Enable fuzzy matching in `helm-source-session' when non--nil."
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:group 'helm-files
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:type 'boolean
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:set (lambda (var val)
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(set var val)
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(setq helm-source-session
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(helm-make-source "Session" 'helm-source-session-class
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:fuzzy-match val))))
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;;; External searching file tools.
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;;
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;; Tracker desktop search
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(defun helm-source-tracker-transformer (candidates _source)
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"Return file names from tracker CANDIDATES."
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;; loop through tracker candidates selecting out file:// lines
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;; then select part after file:// and url decode to get straight filenames
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(cl-loop for cand in candidates
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when (and (stringp cand)
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(string-match "\\`[[:space:]]*file://\\(.*\\)" cand))
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collect (url-unhex-string (match-string 1 cand))))
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(defvar helm-source-tracker-search
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(helm-build-async-source "Tracker Search"
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:candidates-process
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(lambda ()
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;; the tracker-search command has been deprecated, now invoke via tracker
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;; also, disable the contextual snippets which we don't currently use
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(start-process "tracker-search-process" nil
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"tracker" "search"
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"--disable-snippets"
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"--disable-color"
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"--limit=512"
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helm-pattern))
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;; new simplified transformer of tracker search results
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:filtered-candidate-transformer #'helm-source-tracker-transformer
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;;(multiline) ; https://github.com/emacs-helm/helm/issues/529
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:keymap helm-generic-files-map
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:action 'helm-type-file-actions
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:action-transformer '(helm-transform-file-load-el
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helm-transform-file-browse-url)
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:requires-pattern 3)
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"Source for the Tracker desktop search engine.")
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;; Spotlight (MacOS X desktop search)
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(defclass helm-mac-spotlight-source (helm-source-async helm-type-file)
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((candidates-process :initform
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(lambda ()
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(start-process
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"mdfind-process" nil "mdfind" helm-pattern)))
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(requires-pattern :initform 3)))
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(defvar helm-source-mac-spotlight
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(helm-make-source "mdfind" 'helm-mac-spotlight-source)
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"Source for retrieving files via Spotlight's command line utility mdfind.")
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(provide 'helm-x-files)
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;;; helm-x-files.el ends here
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