twlz0ne / jagger

Move/swap things more conveniently in Emacs

Jagger

Move/swap things (including regions, sexps, lines, words) more conveniently in Emacs.

Installation

Copy file jagger*.el to directory ~/.emacs.d/site-lisp/jagger/, for example, and add this to your .emacs

(add-to-list 'load-path (expand-file-name "~/.emacs.d/site-lisp/jagger"))
(require 'jagger)

Usage

Swap two regions (allow across buffers)

• Select region1
• jagger-swap-regions-mark-region set mark and highlight it with overlay
• Select region2
• jagger-swap-regions apply swap, clean overlay

A more natural way is to mark regions automatically when yanking. There is an example for evil:

(defun evil-yank@set-mark (begin end &rest argv)
  (jagger-swap-regions-mark-region-1 begin end))

(advice-add 'evil-yank :before 'evil-yank@set-mark)
(define-key evil-visual-state-map (kbd "M-p") 'jagger-swap-regions)

Then you can use it like this:

• y yank region1 as usual, there is no highlight
• Select region2
• M-p to apply swap

Swap things (sexps/words/lines) around point

(foo| bar) -> (|bar foo)  ;; jagger-swap-sexps

Swap things (sexps/words/lines) surround region

(foo [(qux "quux")] bar) -> (bar (qux "quux")| foo) ;; jagger-swap-sexps

Move things at point backward/forward

(|foo bar) -> (bar |foo) ;; jagger-move-sexp-forward

Move sexp backward/forward

([foo] (qux "quux") bar) -> ((qux "quux") [foo] bar) ;; jagger-move-sexp-forward
([foo (qux "quux")] bar) -> (bar [foo (qux "quux")])

Move line up/down

|foo  =>  bar   ;; jagger-move-line-down
bar       |foo

Move region up/down

[foo      qux   ;; jagger-move-line-down
bar]  =>  [foo
qux       bar]

Sort sexps at point in temp buffer

Original bffer:

(foo (qux "quux") bar)

M-x jagger-sort-sexps-at-point-in-temp-buffer switch to temp buffer in other window:

foo               (qux "quux")   ;; M-j/k to move one line at point \
(qux "quux")  =>  bar            ;; or multiple lines in region \down/down
bar               foo

C-c C-c commit changes to original buffer:

((qux "quux") bar foo)

or C-c C-k discard changes.