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Add prelude-duplicate-and-comment-current-line-or-region (fixes #348)

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Bozhidar Batsov 2013-07-13 14:15:16 +03:00
parent d47293858c
commit 88248111d1
3 changed files with 26 additions and 0 deletions
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1
README.md
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@ -227,6 +227,7 @@ Keybinding | Description
<kbd>C-c e</kbd> | Eval a bit of Emacs Lisp code and replace it with its result. <kbd>C-c e</kbd> | Eval a bit of Emacs Lisp code and replace it with its result.
<kbd>C-c s</kbd> | Swap two active windows. <kbd>C-c s</kbd> | Swap two active windows.
<kbd>C-c d</kbd> | Duplicate the current line (or region). <kbd>C-c d</kbd> | Duplicate the current line (or region).
<kbd>C-c M-d</kbd> | Duplicate and comment the current line (or region).
<kbd>C-c r</kbd> | Rename the currently visited file and buffer. <kbd>C-c r</kbd> | Rename the currently visited file and buffer.
<kbd>C-c t</kbd> | Open a terminal emulator (`ansi-term`). <kbd>C-c t</kbd> | Open a terminal emulator (`ansi-term`).
<kbd>C-c k</kbd> | Kill all open buffers except the one you're currently in. <kbd>C-c k</kbd> | Kill all open buffers except the one you're currently in.

24
core/prelude-core.el
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@ -222,6 +222,30 @@ there's a region, all lines that region covers will be duplicated."
(setq end (point)))) (setq end (point))))
(goto-char (+ origin (* (length region) arg) arg))))) (goto-char (+ origin (* (length region) arg) arg)))))
;; TODO: Remove code duplication by extracting something more generic
(defun prelude-duplicate-and-comment-current-line-or-region (arg)
"Duplicates and comments the current line or region ARG times.
If there's no region, the current line will be duplicated. However, if
there's a region, all lines that region covers will be duplicated."
(interactive "p")
(let (beg end (origin (point)))
(if (and mark-active (> (point) (mark)))
(exchange-point-and-mark))
(setq beg (line-beginning-position))
(if mark-active
(exchange-point-and-mark))
(setq end (line-end-position))
(let ((region (buffer-substring-no-properties beg end)))
(comment-or-uncomment-region beg end)
(setq end (line-end-position))
(-dotimes arg
(lambda (n)
(goto-char end)
(newline)
(insert region)
(setq end (point))))
(goto-char (+ origin (* (length region) arg) arg)))))
(defun prelude-rename-file-and-buffer () (defun prelude-rename-file-and-buffer ()
"Renames current buffer and file it is visiting." "Renames current buffer and file it is visiting."
(interactive) (interactive)

1
core/prelude-mode.el
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@ -54,6 +54,7 @@
(define-key map (kbd "C-c s") 'prelude-swap-windows) (define-key map (kbd "C-c s") 'prelude-swap-windows)
(define-key map (kbd "C-c D") 'prelude-delete-file-and-buffer) (define-key map (kbd "C-c D") 'prelude-delete-file-and-buffer)
(define-key map (kbd "C-c d") 'prelude-duplicate-current-line-or-region) (define-key map (kbd "C-c d") 'prelude-duplicate-current-line-or-region)
(define-key map (kbd "C-c M-d") 'prelude-duplicate-and-comment-current-line-or-region)
(define-key map (kbd "C-c r") 'prelude-rename-file-and-buffer) (define-key map (kbd "C-c r") 'prelude-rename-file-and-buffer)
(define-key map (kbd "C-c t") 'prelude-visit-term-buffer) (define-key map (kbd "C-c t") 'prelude-visit-term-buffer)
(define-key map (kbd "C-c k") 'prelude-kill-other-buffers) (define-key map (kbd "C-c k") 'prelude-kill-other-buffers)