164 lines
4.8 KiB
EmacsLisp
164 lines
4.8 KiB
EmacsLisp
;;; oni-editing.el --- General editing commands and functions -*- lexical-binding: t; -*-
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;; Copyright (C) 2015 Tom Willemse
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;; Author: Tom Willemse <tom@ryuslash.org>
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;; Keywords:
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Here are some general editing functions and commands.
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;;; Code:
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;;;###autoload
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(defun oni:move-beginning-of-dwim ()
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"Move to beginning of line either after indentation or before."
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(interactive)
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(let ((start (point)))
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(back-to-indentation)
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(if (= start (point))
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(move-beginning-of-line 1))))
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(defun oni:change-number-at-point (change-func)
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"Use CHANGE-FUNC to change the number at `point'."
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(let ((num (number-to-string (funcall change-func (number-at-point))))
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(bounds (bounds-of-thing-at-point 'word)))
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(save-excursion
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(delete-region (car bounds) (cdr bounds))
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(insert num))))
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(defun oni:change-prev-case (num dir)
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"Change the case of the region or previous word."
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(let ((regfunc (if (eq dir 'up) 'upcase-region 'downcase-region))
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(wordfunc (if (eq dir 'up) 'upcase-word 'downcase-word)))
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(if (> num 1)
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(funcall regfunc (point) (- (point) num))
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(funcall wordfunc -1))))
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;;;###autoload
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(defun oni:decrease-number-at-point ()
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"Take the number at `point' and replace it with it decreased by 1."
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(interactive)
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(oni:change-number-at-point #'1-))
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;;;###autoload
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(defun oni:disable-tabs-mode ()
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"Function for `vala-mode-hook'."
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(setq indent-tabs-mode nil))
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;;;###autoload
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(defun oni:downcase-prev (num)
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(interactive "p")
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(oni:change-prev-case num 'down))
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;;;###autoload
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(defun oni:move-end-of-dwim ()
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"Move to end of line, either before any comments or after."
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(interactive)
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(let ((start (point))
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(eolpos (line-end-position)))
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(beginning-of-line)
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(if (and comment-start
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(not (looking-at (regexp-quote comment-start)))
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(comment-search-forward eolpos t))
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(progn
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(search-backward-regexp (concat "[^ \t" comment-start "]"))
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(forward-char)
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(when (or (bolp)
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(= start (point)))
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(end-of-line)))
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(end-of-line))))
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;;;###autoload
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(defun oni:increase-number-at-point ()
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"Take the number at `point' and replace it with it increased by 1."
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(interactive)
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(oni:change-number-at-point #'1+))
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;;;###autoload
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(defun oni:indent-defun ()
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"Indent the current defun."
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(interactive)
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(save-excursion
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(mark-defun)
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(indent-region (region-beginning) (region-end))))
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;;;###autoload
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(defun oni:locally-enable-double-spaces ()
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"Specify that two spaces end a sentence in the current buffer."
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(setq-local sentence-end-double-space t))
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;;;###autoload
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(defun oni:reload-buffer ()
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"Reload current buffer."
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(interactive)
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(revert-buffer nil t nil))
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;;;###autoload
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(defun oni:scroll-down-or-prev-page (arg)
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"Either scroll down or go to the previous page.
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Depending on the value of `buffer-narrowed-p'."
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(interactive "^P")
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(if (buffer-narrowed-p)
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(let ((scroll-error-top-bottom nil))
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(condition-case nil
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(scroll-down-command arg)
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(beginning-of-buffer
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(narrow-to-page -1)
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(goto-char (point-min)))))
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(scroll-down-command arg)))
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;;;###autoload
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(defun oni:scroll-up-or-next-page (arg)
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"Either scroll up or go to the next page.
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Depending on the value of `buffer-narrowed-p'."
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(interactive "^P")
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(if (buffer-narrowed-p)
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(let ((scroll-error-top-bottom nil))
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(condition-case nil
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(scroll-up-command arg)
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(end-of-buffer
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(narrow-to-page 1)
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(goto-char (point-min)))))
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(scroll-up-command arg)))
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;;;###autoload
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(defun oni:self-insert-dwim ()
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"Execute self insert, but when the region is active call self
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insert at the end of the region and at the beginning."
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(interactive)
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(if (region-active-p)
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(let ((electric-pair-mode nil)
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(beginning (region-beginning))
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(end (region-end)))
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(goto-char end)
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(self-insert-command 1)
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(save-excursion
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(goto-char beginning)
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(self-insert-command 1)))
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(self-insert-command 1)))
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;;;###autoload
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(defun oni:upcase-prev (num)
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(interactive "p")
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(oni:change-prev-case num 'up))
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(provide 'oni-editing)
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;;; oni-editing.el ends here
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