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- ;; Text mode, and its ideosyncratic commands.
- ;; Copyright (C) 1985 Free Software Foundation, Inc.
-
- ;; This file is part of GNU Emacs.
-
- ;; GNU Emacs is free software; you can redistribute it and/or modify
- ;; it under the terms of the GNU General Public License as published by
- ;; the Free Software Foundation; either version 1, or (at your option)
- ;; any later version.
-
- ;; GNU Emacs is distributed in the hope that it will be useful,
- ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
- ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ;; GNU General Public License for more details.
-
- ;; You should have received a copy of the GNU General Public License
- ;; along with GNU Emacs; see the file COPYING. If not, write to
- ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
-
- (defvar text-mode-syntax-table nil
- "Syntax table used while in text mode.")
-
- (defvar text-mode-abbrev-table nil
- "Abbrev table used while in text mode.")
- (define-abbrev-table 'text-mode-abbrev-table ())
-
- (if text-mode-syntax-table
- ()
- (setq text-mode-syntax-table (make-syntax-table))
- (modify-syntax-entry ?\" ". " text-mode-syntax-table)
- (modify-syntax-entry ?\\ ". " text-mode-syntax-table)
- (modify-syntax-entry ?' "w " text-mode-syntax-table))
-
- (defvar text-mode-map nil "")
- (if text-mode-map
- ()
- (setq text-mode-map (make-sparse-keymap))
- (define-key text-mode-map "\t" 'tab-to-tab-stop)
- (define-key text-mode-map "\es" 'center-line)
- (define-key text-mode-map "\eS" 'center-paragraph))
-
-
- ;(defun non-saved-text-mode ()
- ; "Like text-mode, but delete auto save file when file is saved for real."
- ; (text-mode)
- ; (make-local-variable 'delete-auto-save-files)
- ; (setq delete-auto-save-files t))
-
- (defun text-mode ()
- "Major mode for editing text intended for humans to read. Special commands:\\{text-mode-map}
- Turning on text-mode calls the value of the variable text-mode-hook,
- if that value is non-nil."
- (interactive)
- (kill-all-local-variables)
- (use-local-map text-mode-map)
- (setq mode-name "Text")
- (setq major-mode 'text-mode)
- (setq local-abbrev-table text-mode-abbrev-table)
- (set-syntax-table text-mode-syntax-table)
- (run-hooks 'text-mode-hook))
-
- (defvar indented-text-mode-map ())
- (if indented-text-mode-map
- ()
- (setq indented-text-mode-map (make-sparse-keymap))
- (define-key indented-text-mode-map "\t" 'indent-relative)
- (define-key indented-text-mode-map "\es" 'center-line)
- (define-key indented-text-mode-map "\eS" 'center-paragraph))
-
- (defun indented-text-mode ()
- "Major mode for editing indented text intended for humans to read.\\{indented-text-mode-map}
- Turning on indented-text-mode calls the value of the variable text-mode-hook,
- if that value is non-nil."
- (interactive)
- (kill-all-local-variables)
- (use-local-map text-mode-map)
- (define-abbrev-table 'text-mode-abbrev-table ())
- (setq local-abbrev-table text-mode-abbrev-table)
- (set-syntax-table text-mode-syntax-table)
- (make-local-variable 'indent-line-function)
- (setq indent-line-function 'indent-relative-maybe)
- (use-local-map indented-text-mode-map)
- (setq mode-name "Indented Text")
- (setq major-mode 'indented-text-mode)
- (run-hooks 'text-mode-hook))
-
- (defun center-paragraph ()
- "Center each line in the paragraph at or after point.
- See center-line for more info."
- (interactive)
- (save-excursion
- (forward-paragraph)
- (or (bolp) (newline 1))
- (let ((end (point)))
- (backward-paragraph)
- (center-region (point) end))))
-
- (defun center-region (from to)
- "Center each line starting in the region.
- See center-line for more info."
- (interactive "r")
- (if (> from to)
- (let ((tem to))
- (setq to from from tem)))
- (save-excursion
- (save-restriction
- (narrow-to-region from to)
- (goto-char from)
- (while (not (eobp))
- (center-line)
- (forward-line 1)))))
-
- (defun center-line ()
- "Center the line point is on, within the width specified by `fill-column'.
- This means adjusting the indentation to match
- the distance between the end of the text and `fill-column'."
- (interactive)
- (save-excursion
- (let (line-length)
- (beginning-of-line)
- (delete-horizontal-space)
- (end-of-line)
- (delete-horizontal-space)
- (setq line-length (current-column))
- (beginning-of-line)
- (indent-to
- (+ left-margin
- (/ (- fill-column left-margin line-length) 2))))))
-