117 lines
3.3 KiB
EmacsLisp
117 lines
3.3 KiB
EmacsLisp
;; Some custom functions for buffer content manipulation
|
|
|
|
(defun delete-current-line ()
|
|
"Kill the whole line on which point is"
|
|
(interactive)
|
|
|
|
(beginning-of-line)
|
|
(kill-line 1))
|
|
|
|
(defun copy-func-prototype ()
|
|
"Copy the current function's prototype to the kill-ring"
|
|
|
|
(interactive)
|
|
|
|
(save-excursion
|
|
(beginning-of-defun)
|
|
(setq protocopy-begin (point))
|
|
(forward-list)
|
|
(setq protocopy-end (point))
|
|
(kill-ring-save protocopy-begin protocopy-end)))
|
|
|
|
(defun duplicate-line()
|
|
"Duplicate line at point."
|
|
|
|
(interactive)
|
|
|
|
(save-excursion
|
|
(move-beginning-of-line 1)
|
|
(kill-line)
|
|
(yank)
|
|
(open-line 1)
|
|
(next-line 1)
|
|
(yank)))
|
|
|
|
(defun toggle-char-case (arg-move-point)
|
|
"Toggle the case of the char after point. Based on Xah's toggle letter
|
|
case defun version 2015-12-22
|
|
|
|
URL `http://ergoemacs.org/emacs/modernization_upcase-word.html'
|
|
Version 2016-02-16"
|
|
(interactive "P")
|
|
(let ((case-fold-search nil))
|
|
(cond
|
|
((looking-at "[[:lower:]]") (upcase-region (point) (1+ (point))))
|
|
((looking-at "[[:upper:]]") (downcase-region (point) (1+ (point)))))
|
|
(cond
|
|
(arg-move-point (right-char)))))
|
|
|
|
; Copied from http://whattheemacsd.com/editing-defuns.el-01.html
|
|
(defun open-line-below ()
|
|
"Open a new line below point."
|
|
|
|
(interactive)
|
|
|
|
(end-of-line)
|
|
(newline)
|
|
(indent-for-tab-command))
|
|
|
|
(defun open-line-above ()
|
|
"Open a new line above point."
|
|
|
|
(interactive)
|
|
|
|
(beginning-of-line)
|
|
(newline)
|
|
(forward-line -1)
|
|
(indent-for-tab-command))
|
|
|
|
; Copied from http://whattheemacsd.com/file-defuns.el-01.html
|
|
(defun rename-current-buffer-file ()
|
|
"Renames current buffer and file it is visiting."
|
|
(interactive)
|
|
|
|
(let ((name (buffer-name))
|
|
(filename (buffer-file-name)))
|
|
(if (not (and filename (file-exists-p filename)))
|
|
(error "Buffer '%s' is not visiting a file!" name)
|
|
(let ((new-name (read-file-name "New name: " filename)))
|
|
(if (get-buffer new-name)
|
|
(error "A buffer named '%s' already exists!" new-name)
|
|
(rename-file filename new-name 1)
|
|
(rename-buffer new-name)
|
|
(set-visited-file-name new-name)
|
|
; TODO: this is suspicious for me…
|
|
(set-buffer-modified-p nil)
|
|
(message "File '%s' successfully renamed to '%s'"
|
|
name (file-name-nondirectory new-name)))))))
|
|
|
|
; Copied from http://whattheemacsd.com/file-defuns.el-02.html
|
|
(defun delete-current-buffer-file ()
|
|
"Removes file connected to current buffer and kills the
|
|
buffer."
|
|
(interactive)
|
|
|
|
(let ((filename (buffer-file-name))
|
|
(name (buffer-name))
|
|
(buffer (current-buffer)))
|
|
(if (not (and filename (file-exists-p filename)))
|
|
(kill-buffer buffer)
|
|
(when (yes-or-no-p "Are you sure you want to remove this file? ")
|
|
(delete-file filename)
|
|
(kill-buffer buffer)
|
|
(message "File '%s' successfully removed" filename)))))
|
|
|
|
; delete-char or close eshell
|
|
; Copied from https://ryuslash.org/posts/C-d-to-close-eshell.html
|
|
(defun eshell-C-d ()
|
|
"Either call `delete-char' interactively or quit."
|
|
(interactive)
|
|
|
|
(condition-case err
|
|
(call-interactively #'delete-char)
|
|
(error (if (and (eq (car err) 'end-of-buffer)
|
|
(looking-back eshell-prompt-regexp))
|
|
(kill-buffer)
|
|
(signal (car err) (cdr err))))))
|