-;;; gnus-ems.el --- functions for making Gnus work under different Emacsen
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
+;;; gnus-ems.el --- functions for making Semi-gnus work under different Emacsen
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001
;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; Tatsuya Ichikawa <t-ichi@niagara.shiojiri.ne.jp>
;; Keywords: news
;; This file is part of GNU Emacs.
;;; Mule functions.
-(defun gnus-mule-max-width-function (el max-width)
- `(let* ((val (eval (, el)))
- (valstr (if (numberp val)
- (int-to-string val) val)))
- (if (> (length valstr) ,max-width)
- (truncate-string-to-width valstr ,max-width)
- valstr)))
-
(eval-and-compile
(if (featurep 'xemacs)
(gnus-xmas-define)
;; original MULE, XEmacs/mule and Emacs 20+ including
;; MULE features. Unfortunately these API are different. In
;; particular, Emacs (including original MULE) and XEmacs are
- ;; quite different. Howvere, this version of Gnus doesn't support
+ ;; quite different. However, this version of Gnus doesn't support
;; anything other than XEmacs 20+ and Emacs 20.3+.
;; Predicates to check are following:
(defvar gnus-summary-display-table nil
"Display table used in summary mode buffers.")
- (defalias 'gnus-max-width-function 'gnus-mule-max-width-function)
+
+ (defalias 'gnus-summary-set-display-table (lambda ()))
+
+ (if (fboundp 'truncate-string-to-width)
+ (fset 'gnus-truncate-string 'truncate-string-to-width)
+ (fset 'gnus-truncate-string 'truncate-string))
(when (boundp 'gnus-check-before-posting)
(setq gnus-check-before-posting
(delq 'long-lines
(delq 'control-chars gnus-check-before-posting))))
-
- (defun gnus-summary-line-format-spec ()
- (insert gnus-tmp-unread gnus-tmp-replied
- gnus-tmp-score-char gnus-tmp-indentation)
- (put-text-property
- (point)
- (progn
- (insert
- gnus-tmp-opening-bracket
- (format "%4d: %-20s"
- gnus-tmp-lines
- (if (> (length gnus-tmp-name) 20)
- (truncate-string-to-width gnus-tmp-name 20)
- gnus-tmp-name))
- gnus-tmp-closing-bracket)
- (point))
- gnus-mouse-face-prop gnus-mouse-face)
- (insert " " gnus-tmp-subject-or-nil "\n")))))
+ ))
+ (when (featurep 'mule)
+ (defun gnus-tilde-max-form (el max-width)
+ "Return a form that limits EL to MAX-WIDTH."
+ (let ((max (abs max-width)))
+ (if (symbolp el)
+ (if (< max-width 0)
+ `(let ((width (string-width ,el)))
+ (gnus-truncate-string ,el width (- width ,max)))
+ `(gnus-truncate-string ,el ,max))
+ (if (< max-width 0)
+ `(let* ((val (eval ,el))
+ (width (string-width val)))
+ (gnus-truncate-string val width (- width ,max)))
+ `(let ((val (eval ,el)))
+ (gnus-truncate-string val ,max))))))
+
+ (defun gnus-tilde-cut-form (el cut-width)
+ "Return a form that cuts CUT-WIDTH off of EL."
+ (let ((cut (abs cut-width)))
+ (if (symbolp el)
+ (if (< cut-width 0)
+ `(gnus-truncate-string ,el (- (string-width ,el) ,cut))
+ `(gnus-truncate-string ,el (string-width ,el) ,cut))
+ (if (< cut-width 0)
+ `(let ((val (eval ,el)))
+ (gnus-truncate-string val (- (string-width val) ,cut)))
+ `(let ((val (eval ,el)))
+ (gnus-truncate-string val (string-width val) ,cut))))))
+ ))
(defun gnus-region-active-p ()
"Say whether the region is active."
(file-exists-p (setq file
(expand-file-name "x-splash" dir))))
(with-temp-buffer
- (insert-file-contents file)
+ (insert-file-contents-as-binary file)
(goto-char (point-min))
(ignore-errors
(setq pixmap (read (current-buffer))))))
(defvar gnus-article-compface-xbm
(condition-case ()
- (eq 0 (string-match "#define"
+ (eq 0 (string-match "#define"
(shell-command-to-string "uncompface -X")))
(error nil))
"Non-nil means the compface program supports the -X option.
That produces XBM output.")
-(defun gnus-article-display-xface (beg end)
- "Display an XFace header from between BEG and END in the current article.
+(defun gnus-article-display-xface (beg end &optional buffer)
+ "Display an XFace header from between BEG and END in BUFFER.
Requires support for images in your Emacs and the external programs
`uncompface', and `icontopbm'. On a GNU/Linux system these
might be in packages with names like `compface' or `faces-xface' and
(make-ring gnus-article-xface-ring-size)))
(save-excursion
(let* ((cur (current-buffer))
- (data (buffer-substring beg end))
+ (data (if buffer
+ (with-current-buffer buffer
+ (buffer-substring beg end))
+ (buffer-substring beg end)))
(image (cdr-safe (assoc data (ring-elements
gnus-article-xface-ring-internal))))
default-enable-multibyte-characters)
(re-search-forward "^From:" nil 'move)
(insert-image image))))))
+(defun-maybe assoc-ignore-case (key alist)
+ "Like `assoc', but assumes KEY is a string and ignores case when comparing."
+ (setq key (downcase key))
+ (let (element)
+ (while (and alist (not element))
+ (if (equal key (downcase (car (car alist))))
+ (setq element (car alist)))
+ (setq alist (cdr alist)))
+ element))
+
+\f
+;;; Language support staffs.
+
+(defvar-maybe current-language-environment "English"
+ "The language environment.")
+
+(defvar-maybe language-info-alist nil
+ "Alist of language environment definitions.")
+
+(defun-maybe get-language-info (lang-env key)
+ "Return information listed under KEY for language environment LANG-ENV."
+ (if (symbolp lang-env)
+ (setq lang-env (symbol-name lang-env)))
+ (let ((lang-slot (assoc-ignore-case lang-env language-info-alist)))
+ (if lang-slot
+ (cdr (assq key (cdr lang-slot))))))
+
+(defun-maybe set-language-info (lang-env key info)
+ "Modify part of the definition of language environment LANG-ENV."
+ (if (symbolp lang-env)
+ (setq lang-env (symbol-name lang-env)))
+ (let (lang-slot key-slot)
+ (setq lang-slot (assoc lang-env language-info-alist))
+ (if (null lang-slot) ; If no slot for the language, add it.
+ (setq lang-slot (list lang-env)
+ language-info-alist (cons lang-slot language-info-alist)))
+ (setq key-slot (assq key lang-slot))
+ (if (null key-slot) ; If no slot for the key, add it.
+ (progn
+ (setq key-slot (list key))
+ (setcdr lang-slot (cons key-slot (cdr lang-slot)))))
+ (setcdr key-slot info)))
+
(provide 'gnus-ems)
;;; gnus-ems.el ends here
projects / elisp / gnus.git- / blobdiff