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