git.shemshak.org - ~bandali/configs/blob - .emacs.d/lisp/bandali-dired.el

   1 ;;; bandali-dired.el --- bandali's dired setup       -*- lexical-binding: t; -*-
   2
   3 ;; Copyright (C) 2018-2020  Amin Bandali
   4
   5 ;; Author: Amin Bandali <bandali@gnu.org>
   6 ;; Keywords: files
   7
   8 ;; This program is free software; you can redistribute it and/or modify
   9 ;; it under the terms of the GNU General Public License as published by
  10 ;; the Free Software Foundation, either version 3 of the License, or
  11 ;; (at your option) any later version.
  12
  13 ;; This program is distributed in the hope that it will be useful,
  14 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 ;; GNU General Public License for more details.
  17
  18 ;; You should have received a copy of the GNU General Public License
  19 ;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
  20
  21 ;;; Commentary:
  22
  23 ;; My dired setup and customizations.
  24
  25 ;;; Code:
  26
  27 (with-eval-after-load 'dired
  28   (csetq
  29    dired-dwim-target t
  30    dired-listing-switches "-alh"
  31    dired-recent-directories-file (b/var "dired-recent-directories.el")
  32    ls-lisp-dirs-first t
  33    ls-lisp-use-insert-directory-program nil)
  34
  35   (declare-function dired-dwim-target-directory "dired-aux")
  36   ;; easily diff 2 marked files
  37   ;; https://oremacs.com/2017/03/18/dired-ediff/
  38   (defun dired-ediff-files ()
  39     (interactive)
  40     (require 'dired-aux)
  41     (defvar ediff-after-quit-hook-internal)
  42     (let ((files (dired-get-marked-files))
  43           (wnd (current-window-configuration)))
  44       (if (<= (length files) 2)
  45           (let ((file1 (car files))
  46                 (file2 (if (cdr files)
  47                            (cadr files)
  48                          (read-file-name
  49                           "file: "
  50                           (dired-dwim-target-directory)))))
  51             (if (file-newer-than-file-p file1 file2)
  52                 (ediff-files file2 file1)
  53               (ediff-files file1 file2))
  54             (add-hook 'ediff-after-quit-hook-internal
  55                       (lambda ()
  56                         (setq ediff-after-quit-hook-internal nil)
  57                         (set-window-configuration wnd))))
  58         (error "no more than 2 files should be marked"))))
  59
  60   (defun b/dired-start-process (program &optional args)
  61     "Open current file with a PROGRAM."
  62     ;; Shell command looks like this: "program [ARGS]... FILE" (ARGS
  63     ;; can be nil, so remove it).
  64     (declare-function dired-get-file-for-visit "dired")
  65     (apply #'b/start-process
  66            program
  67            (remove nil (list args (dired-get-file-for-visit)))))
  68
  69   ;; local key bindings
  70   (define-key dired-mode-map (kbd "b") #'dired-up-directory)
  71   (define-key dired-mode-map (kbd "E") #'dired-ediff-files)
  72   (define-key dired-mode-map (kbd "e") #'dired-toggle-read-only)
  73   (define-key dired-mode-map (kbd "\\") #'dired-hide-details-mode)
  74   (define-key dired-mode-map (kbd "z")
  75     (lambda ()
  76       (interactive)
  77       (b/dired-start-process "zathura")))
  78
  79   (require 'dired-x)
  80   (csetq dired-guess-shell-alist-user
  81          '(("\\.pdf\\'"  "evince" "zathura" "okular")
  82            ("\\.doc\\'"  "libreoffice")
  83            ("\\.docx\\'" "libreoffice")
  84            ("\\.ppt\\'"  "libreoffice")
  85            ("\\.pptx\\'" "libreoffice")
  86            ("\\.xls\\'"  "libreoffice")
  87            ("\\.xlsx\\'" "libreoffice")
  88            ("\\.flac\\'" "mpv"))))
  89 ;; hooks
  90 (add-hook 'dired-mode-hook #'dired-hide-details-mode)
  91
  92 (provide 'bandali-dired)
  93 ;;; bandali-dired.el ends here