[emacs] silence ediff-after-quit-hook-internal related warning
[~bandali/configs] / init.org
index 9a420d0..14941a2 100644 (file)
--- a/init.org
+++ b/init.org
@@ -445,6 +445,26 @@ Convenience macro for =setq='ing multiple variables to the same value:
   `(progn ,@(mapcar (lambda (x) (list 'setq x value)) vars)))
 #+end_src
 
+The following process-related stuff from [[https://github.com/alezost/emacs-config][alezost's emacs-config]].
+
+#+begin_src emacs-lisp
+(defun a/start-process (program &rest args)
+  "Same as `start-process', but doesn't bother about name and buffer."
+  (let ((process-name (concat program "_process"))
+        (buffer-name  (generate-new-buffer-name
+                       (concat program "_output"))))
+    (apply #'start-process
+           process-name buffer-name program args)))
+
+(defun a/dired-start-process (program &optional args)
+  "Open current file with a PROGRAM."
+  ;; Shell command looks like this: "program [ARGS]... FILE" (ARGS can
+  ;; be nil, so remove it).
+  (apply #'a/start-process
+         program
+         (remove nil (list args (dired-get-file-for-visit)))))
+#+end_src
+
 * Core
 :PROPERTIES:
 :CUSTOM_ID: core
@@ -1052,7 +1072,39 @@ TODO: break this giant source block down into individual org sections.
 
 (use-package dired
   :defer t
-  :config (setq dired-listing-switches "-alh"))
+  :config
+  (setq dired-listing-switches "-alh")
+
+  ;; easily diff 2 marked files
+  ;; https://oremacs.com/2017/03/18/dired-ediff/
+  (defun dired-ediff-files ()
+    (interactive)
+    (defvar ediff-after-quit-hook-internal)
+    (let ((files (dired-get-marked-files))
+          (wnd (current-window-configuration)))
+      (if (<= (length files) 2)
+          (let ((file1 (car files))
+                (file2 (if (cdr files)
+                           (cadr files)
+                         (read-file-name
+                          "file: "
+                          (dired-dwim-target-directory)))))
+            (if (file-newer-than-file-p file1 file2)
+                (ediff-files file2 file1)
+              (ediff-files file1 file2))
+            (add-hook 'ediff-after-quit-hook-internal
+                      (lambda ()
+                        (setq ediff-after-quit-hook-internal nil)
+                        (set-window-configuration wnd))))
+        (error "no more than 2 files should be marked"))))
+  :bind (:map dired-mode-map
+              ("e"  . dired-ediff-files)
+              ("E"  . dired-toggle-read-only)
+              ("\\" . dired-hide-details-mode)
+              ("z"  . (lambda ()
+                        (interactive)
+                        (a/dired-start-process "zathura"))))
+  :hook (dired-mode . dired-hide-details-mode))
 
 (use-package eldoc
   :when (version< "25" emacs-version)
@@ -1841,6 +1893,20 @@ Also see [[https://www.emacswiki.org/emacs/rebox2][rebox2]].
   :bind ("C-=" . er/expand-region))
 #+end_src
 
+** multiple-cursors
+
+#+begin_src emacs-lisp
+(use-package multiple-cursors
+  :bind
+  (("C-S-<mouse-1>" . mc/add-cursor-on-click)
+   (:prefix-map a/mc-prefix-map
+               :prefix "C-c m"
+               ("c" . mc/edit-lines)
+               ("n" . mc/mark-next-like-this)
+               ("p" . mc/mark-previous-like-this)
+               ("a" . mc/mark-all-like-this))))
+#+end_src
+
 * Email
 :PROPERTIES:
 :CUSTOM_ID: email
@@ -1861,9 +1927,7 @@ Also see [[https://www.emacswiki.org/emacs/rebox2][rebox2]].
  read-mail-command 'gnus)
 
 (use-package gnus
-  :bind (("C-c m" . gnus)
-         ("C-c M" . gnus-unplugged)
-         ("s-m"   . gnus)
+  :bind (("s-m"   . gnus)
          ("s-M"   . gnus-unplugged))
   :init
   (setq