/usr/share/emacs/site-lisp/goby/goby-emacs.el is in goby 1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
;;; Commentary:
;; Home page: http://www.mew.org/~kazu/proj/goby/
;;; Code:
(require 'goby-vars)
(defalias 'goby-match-string 'match-string-no-properties) ;; to save length
(defmacro goby-image-safe (&rest body)
`(let ((coding-system-for-read 'binary)
(coding-system-for-write 'binary)
(auto-image-file-mode nil))
,@body))
(defun goby-get-extent (pos)
(get-text-property pos 'display))
(defun goby-extent-image-p (pos)
(eq (car (goby-get-extent pos)) 'image))
(defun goby-extent-space-p (pos)
(eq (car (goby-get-extent pos)) 'space))
(defun goby-extent-p (pos)
(or (goby-extent-image-p pos) (goby-extent-space-p pos)))
(defun goby-put-image (beg end image &optional nodefault)
(let ((after-change-functions nil))
(unless nodefault
(put-text-property beg end 'face 'default))
(when image
(clear-image-cache)
(put-text-property beg end 'display image)
(put-text-property beg end 'help-echo 'goby-image-help-echo))))
(defun goby-image-help-echo (win buf pos)
(unless (eq major-mode 'goby-view-mode)
(let ((image (get-text-property pos 'display buf)))
(format "%s (%s)"
(nth 1 (member :mewfile image))
(nth 1 (member :mewtag image))))))
(defun goby-line-over-p (&optional pos)
(goto-char (or pos (point-min)))
(= (vertical-motion 1) 1))
(defun goby-center-line (&optional no-insert)
"Centerize the line."
(interactive)
(let ((after-change-functions nil)
(lim (window-width))
beg mid end prop)
(beginning-of-line)
(setq beg (point))
(if no-insert
(forward-char (length goby-centering-string))
(if (and (setq prop (get-text-property (point) 'display))
(eq (car prop) 'space))
(delete-region (point) (+ (point) (length goby-centering-string))))
(insert goby-centering-string))
(setq mid (point))
(put-text-property beg mid 'face 'default)
(end-of-line)
(insert "X") ;; image will be hidden over the right edge!
(put-text-property (1- (point)) (point) 'face 'default)
(setq end (point))
(if (= mid end)
(delete-region beg mid)
(let ((i 0) j beg1 spaces)
(narrow-to-region beg end)
;; If the line contains images only (without text),
;; vertical-motion works wrong. So, use "[" as text,
;; and put the space property onto "]".
(setq beg1 (1+ beg)) ;; "]"
;; binary search twice
(setq j (/ (+ lim i) 2))
(put-text-property beg1 mid 'display `(space :width ,j))
(if (goby-line-over-p)
(setq lim j)
(setq i j))
(setq j (/ (+ lim i) 2))
(put-text-property beg1 mid 'display `(space :width ,j))
(if (goby-line-over-p)
(setq lim j)
(setq i j))
;; linear search
(catch 'loop
(while t
(put-text-property beg1 mid 'display `(space :width ,i))
(if (or (>= i lim) (goby-line-over-p))
(throw 'loop (setq i (1+ i)))) ;; length of "["
(setq i (1+ i))))
(widen)
(setq spaces (/ (1- i) 2))
(end-of-line)
(delete-char -1)
(beginning-of-line)
(put-text-property beg mid 'display `(space :width ,spaces))))))
(if (fboundp 'read-directory-name)
(defalias 'goby-read-directory-name 'read-directory-name)
(defun goby-read-directory-name (prompt)
(read-file-name prompt default-directory default-directory)))
(defun goby-set-face-attribute (face family height color italicp)
(set-face-attribute face nil :family family)
(set-face-attribute face nil :height height)
;; Emacs 21.3 does not have a good rendering mechanism for 'bold.
(if goby-use-bold (set-face-attribute face nil :weight 'bold))
(if italicp (set-face-attribute face nil :slant 'italic))
(set-face-attribute face nil :foreground color))
(defun goby-x-window-manager (arg)
(when (and goby-use-advanced-window-manager (fboundp 'x-send-client-message))
(x-send-client-message nil 0 nil "_NET_WM_STATE" 32 arg)))
(defun goby-decorate-initial-frame (width height fringe)
(modify-frame-parameters
(selected-frame)
`((width . ,width)
(height . ,height)
(top . (+ ,goby-window-manager-top-position))
(left . (+ ,goby-window-manager-left-position))
(left-fringe . ,fringe)
(right-fringe . ,fringe)
(name . ,goby-frame)
(tool-bar-lines . nil)
(vertical-scroll-bars . ,goby-vertical-scroll-bars)
(horizontal-scroll-bars . nil)
(foreground-color . ,goby-foreground-color)
(background-color . ,goby-background-color)
(cursor-color . ,goby-cursor-color)
(mouse-color . ,goby-pointer-color)))
(goby-x-window-manager '(1 "_NET_WM_STATE_MAXIMIZED_VERT" 0))
(run-hooks 'goby-decorate-initial-frame-hook))
(defvar goby-old-pointer-shape nil)
(defvar goby-old-fringe-face nil)
(defvar goby-old-modeline-face nil)
(defvar goby-old-menu-bar-lines nil)
(defun goby-decorate-view-frame (height)
;; Emacs does not allow the cursor to have the same color as the
;; background.
(when (boundp 'x-pointer-shape)
(setq goby-old-pointer-shape x-pointer-shape)
(setq x-pointer-shape goby-view-pointer-shape))
(setq goby-old-menu-bar-lines
(frame-parameter (selected-frame) 'menu-bar-lines))
(modify-frame-parameters
(selected-frame)
`((cursor-type . (bar . 0))
(name . "")
(vertical-scroll-bars . nil)
(menu-bar-lines . 0)
(mouse-color . ,goby-view-pointer-color)
(top . (+ ,goby-window-manager-view-top-position))
(left . (+ ,goby-window-manager-view-left-position))
(height . ,(+ height goby-window-manager-bottom-margin))))
(if (fboundp 'ns-toggle-fullscreen) (ns-toggle-fullscreen))
(goby-x-window-manager '(1 "_NET_WM_STATE_FULLSCREEN" 0))
(copy-face 'fringe 'goby-old-fringe-face)
(set-face-attribute
'fringe (selected-frame) :foreground goby-fringe-foreground-color)
(set-face-attribute
'fringe (selected-frame) :background goby-fringe-background-color)
(copy-face 'mode-line 'goby-old-modeline-face)
(set-face-attribute
'mode-line (selected-frame) :foreground goby-modeline-foreground-color)
(set-face-attribute
'mode-line (selected-frame) :background goby-modeline-background-color)
(set-face-attribute
'mode-line (selected-frame) :box nil))
(defun goby-clean-view-frame (height)
(when (boundp 'x-pointer-shape)
(setq x-pointer-shape goby-old-pointer-shape))
(setq goby-old-pointer-shape nil)
(if (fboundp 'ns-toggle-fullscreen) (ns-toggle-fullscreen))
(modify-frame-parameters
(selected-frame)
`((cursor-type . box)
(name . ,goby-frame)
(vertical-scroll-bars . ,goby-vertical-scroll-bars)
(menu-bar-lines . ,goby-old-menu-bar-lines)
(mouse-color . ,goby-pointer-color)
(height . ,height)
(top . (+ ,goby-window-manager-top-position))
(left . (+ ,goby-window-manager-left-position))))
(setq goby-old-menu-bar-lines nil)
(goby-x-window-manager '(0 "_NET_WM_STATE_FULLSCREEN" 0))
(cond
((string< emacs-version "22")
(set-face-attribute
'fringe (selected-frame)
:foreground (face-attribute 'goby-old-fringe-face :foreground))
(set-face-attribute
'fringe (selected-frame)
:background (face-attribute 'goby-old-fringe-face :background)))
(t
(copy-face 'goby-old-fringe-face 'fringe)))
(copy-face 'goby-old-modeline-face 'mode-line)
(setq goby-old-fringe-face nil)
(setq goby-old-modeline-face nil))
(provide 'goby-emacs)
;;; Copyright Notice:
;; Copyright (C) 2003 Kazu Yamamoto
;; All rights reserved.
;; Redistribution and use in source and binary forms, with or without
;; modification, are permitted provided that the following conditions
;; are met:
;;
;; 1. Redistributions of source code must retain the above copyright
;; notice, this list of conditions and the following disclaimer.
;; 2. Redistributions in binary form must reproduce the above copyright
;; notice, this list of conditions and the following disclaimer in the
;; documentation and/or other materials provided with the distribution.
;; 3. Neither the name of the author nor the names of its contributors
;; may be used to endorse or promote products derived from this software
;; without specific prior written permission.
;;
;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
;; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
;; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
;; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
;; LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
;; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
;; SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
;; BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
;; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
;; OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
;; IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;;; goby-emacs.el ends here
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