-;;; gnus-ems.el --- functions for making Gnus work under different Emacsen
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
-;; Free Software Foundation, Inc.
+;;; gnus-ems.el --- functions for making Semi-gnus work under different Emacsen
+;; Copyright (C) 1995,96,97,98 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.
;;; Code:
-(eval-when-compile
- (require 'cl)
- (require 'ring))
+(eval-when-compile (require 'cl))
;;; Function aliases later to be redefined for XEmacs usage.
+(defvar gnus-xemacs (string-match "XEmacs\\|Lucid" emacs-version)
+ "Non-nil if running under XEmacs.")
+
(defvar gnus-mouse-2 [mouse-2])
-(defvar gnus-down-mouse-3 [down-mouse-3])
(defvar gnus-down-mouse-2 [down-mouse-2])
-(defvar gnus-widget-button-keymap nil)
(defvar gnus-mode-line-modified
- (if (or (featurep 'xemacs)
+ (if (or gnus-xemacs
(< emacs-major-version 20))
'("--**-" . "-----")
'("**" "--")))
(autoload 'gnus-xmas-redefine "gnus-xmas")
(autoload 'appt-select-lowest-window "appt"))
-(autoload 'smiley-region "smiley")
-
-(defun gnus-kill-all-overlays ()
- "Delete all overlays in the current buffer."
- (let* ((overlayss (overlay-lists))
- (buffer-read-only nil)
- (overlays (delq nil (nconc (car overlayss) (cdr overlayss)))))
- (while overlays
- (delete-overlay (pop overlays)))))
+(or (fboundp 'mail-file-babyl-p)
+ (fset 'mail-file-babyl-p 'rmail-file-p))
;;; 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)))
+(defun gnus-mule-cite-add-face (number prefix face)
+ ;; At line NUMBER, ignore PREFIX and add FACE to the rest of the line.
+ (when face
+ (let ((inhibit-point-motion-hooks t)
+ from to)
+ (goto-line number)
+ (unless (eobp) ; Sometimes things become confused (broken).
+ (forward-char (chars-in-string prefix))
+ (skip-chars-forward " \t")
+ (setq from (point))
+ (end-of-line 1)
+ (skip-chars-backward " \t")
+ (setq to (point))
+ (when (< from to)
+ (push (setq overlay (gnus-make-overlay from to))
+ gnus-cite-overlay-list)
+ (gnus-overlay-put (gnus-make-overlay from to) 'face face))))))
+
+(defvar gnus-mule-bitmap-image-file nil)
+(defun gnus-mule-group-startup-message (&optional x y)
+ "Insert startup message in current buffer."
+ ;; Insert the message.
+ (erase-buffer)
+ (insert
+ (if (featurep 'bitmap)
+ (format " %s
+
+"
+ "" (if (and (stringp gnus-mule-bitmap-image-file)
+ (file-exists-p gnus-mule-bitmap-image-file))
+ (insert-file gnus-mule-bitmap-image-file)))
+ (format " %s
+ _ ___ _ _
+ _ ___ __ ___ __ _ ___
+ __ _ ___ __ ___
+ _ ___ _
+ _ _ __ _
+ ___ __ _
+ __ _
+ _ _ _
+ _ _ _
+ _ _ _
+ __ ___
+ _ _ _ _
+ _ _
+ _ _
+ _ _
+ _
+ __
+
+"
+ "")))
+ ;; And then hack it.
+ (gnus-indent-rigidly (point-min) (point-max)
+ (/ (max (- (window-width) (or x 46)) 0) 2))
+ (goto-char (point-min))
+ (forward-line 1)
+ (let* ((pheight (count-lines (point-min) (point-max)))
+ (wheight (window-height))
+ (rest (- wheight pheight)))
+ (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
+ ;; Fontify some.
+ (put-text-property (point-min) (point-max) 'face 'gnus-splash-face)
+ (goto-char (point-min))
+ (setq mode-line-buffer-identification (concat " " gnus-version))
+ (setq gnus-simple-splash t)
+ (set-buffer-modified-p t))
+
+(defun gnus-encode-coding-string (string system)
+ string)
+
+(defun gnus-decode-coding-string (string system)
+ string)
(eval-and-compile
- (defalias 'gnus-char-width
- (if (fboundp 'char-width)
- 'char-width
- (lambda (ch) 1)))) ;; A simple hack.
+ (if (string-match "XEmacs\\|Lucid" emacs-version)
+ nil
-(eval-and-compile
- (if (featurep 'xemacs)
- (gnus-xmas-define)
(defvar gnus-mouse-face-prop 'mouse-face
- "Property used for highlighting mouse regions.")))
+ "Property used for highlighting mouse regions."))
+
+ (cond
+ ((string-match "XEmacs\\|Lucid" emacs-version)
+ (gnus-xmas-define))
+
+ ((or (not (boundp 'emacs-minor-version))
+ (and (< emacs-major-version 20)
+ (< emacs-minor-version 30)))
+ ;; Remove the `intangible' prop.
+ (let ((props (and (boundp 'gnus-hidden-properties)
+ gnus-hidden-properties)))
+ (while (and props (not (eq (car (cdr props)) 'intangible)))
+ (setq props (cdr props)))
+ (when props
+ (setcdr props (cdr (cdr (cdr props))))))
+ (unless (fboundp 'buffer-substring-no-properties)
+ (defun buffer-substring-no-properties (beg end)
+ (format "%s" (buffer-substring beg end)))))
+
+ ((boundp 'MULE)
+ (provide 'gnusutil))))
+
+(eval-and-compile
+ (cond
+ ((not window-system)
+ (defun gnus-dummy-func (&rest args))
+ (let ((funcs '(mouse-set-point set-face-foreground
+ set-face-background x-popup-menu)))
+ (while funcs
+ (unless (fboundp (car funcs))
+ (fset (car funcs) 'gnus-dummy-func))
+ (setq funcs (cdr funcs))))))
+ (unless (fboundp 'file-regular-p)
+ (defun file-regular-p (file)
+ (and (not (file-directory-p file))
+ (not (file-symlink-p file))
+ (file-exists-p file))))
+ (unless (fboundp 'face-list)
+ (defun face-list (&rest args))))
+
+(eval-and-compile
+ (let ((case-fold-search t))
+ (cond
+ ((string-match "windows-nt\\|os/2\\|emx" (symbol-name system-type))
+ (setq nnheader-file-name-translation-alist
+ (append nnheader-file-name-translation-alist
+ '((?: . ?_)
+ (?+ . ?-))))))))
(defvar gnus-tmp-unread)
(defvar gnus-tmp-replied)
(defvar gnus-tmp-name)
(defvar gnus-tmp-closing-bracket)
(defvar gnus-tmp-subject-or-nil)
-(defvar gnus-check-before-posting)
(defun gnus-ems-redefine ()
(cond
- ((featurep 'xemacs)
+ ((string-match "XEmacs\\|Lucid" emacs-version)
(gnus-xmas-redefine))
((featurep 'mule)
;; Mule and new Emacs definitions
;; [Note] Now there are three kinds of mule implementations,
- ;; original MULE, XEmacs/mule and Emacs 20+ including
- ;; MULE features. Unfortunately these APIs are different. In
- ;; particular, Emacs (including original Mule) and XEmacs are
- ;; quite different. However, this version of Gnus doesn't support
- ;; anything other than XEmacs 20+ and Emacs 20.3+.
-
+ ;; original MULE, XEmacs/mule and beta version of Emacs including
+ ;; some mule features. Unfortunately these API are different. In
+ ;; particular, Emacs (including original MULE) and XEmacs are
+ ;; quite different.
;; Predicates to check are following:
- ;; (boundp 'MULE) is t only if Mule (original; anything older than
+ ;; (boundp 'MULE) is t only if MULE (original; anything older than
;; Mule 2.3) is running.
- ;; (featurep 'mule) is t when other mule variants are running.
+ ;; (featurep 'mule) is t when every mule variants are running.
- ;; It is possible to detect XEmacs/mule by (featurep 'mule) and
- ;; (featurep 'xemacs). In this case, the implementation for
- ;; XEmacs/mule may be shareable between XEmacs and XEmacs/mule.
+ ;; These implementations may be able to share between original
+ ;; MULE and beta version of new Emacs. In addition, it is able to
+ ;; detect XEmacs/mule by (featurep 'mule) and to check variable
+ ;; `emacs-version'. In this case, implementation for XEmacs/mule
+ ;; may be able to share between XEmacs and XEmacs/mule.
(defvar gnus-summary-display-table nil
"Display table used in summary mode buffers.")
- (defalias 'gnus-max-width-function 'gnus-mule-max-width-function)
+ (fset 'gnus-summary-set-display-table (lambda ()))
+ (fset 'gnus-encode-coding-string 'encode-coding-string)
+ (fset 'gnus-decode-coding-string 'decode-coding-string)
+
+ (if (fboundp 'truncate-string-to-width)
+ (fset 'gnus-truncate-string 'truncate-string-to-width)
+ (fset 'gnus-truncate-string 'truncate-string))
+
+ (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 (> (string-width ,el) ,max)
+ ,(if (< max-width 0)
+ `(gnus-truncate-string
+ ,el (string-width ,el)
+ (- (string-width ,el) ,max))
+ `(gnus-truncate-string ,el ,max))
+ ,el)
+ `(let ((val (eval ,el)))
+ (if (> (string-width val) ,max)
+ ,(if (< max-width 0)
+ `(gnus-truncate-string
+ val (string-width val)
+ (- (string-width val) ,max))
+ `(gnus-truncate-string val ,max))
+ val)))))
+
+ (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 (> (string-width ,el) ,cut)
+ ,(if (< cut-width 0)
+ `(gnus-truncate-string
+ ,el (- (string-width ,el) ,cut))
+ `(gnus-truncate-string
+ ,el (- (string-width ,el) ,cut) ,cut))
+ ,el)
+ `(let ((val (eval ,el)))
+ (if (> (string-width val) ,cut)
+ ,(if (< cut-width 0)
+ `(gnus-truncate-string
+ val (- (string-width val) ,cut))
+ `(gnus-truncate-string
+ val (- (string-width val) ,cut) ,cut))
+ val)))))
+
+ (when window-system
+ (require 'path-util)
+ (if (module-installed-p 'bitmap)
+ (fset 'gnus-group-startup-message 'gnus-mule-group-startup-message)
+ ))
(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 (fboundp 'chars-in-string)
+ (fset 'gnus-cite-add-face 'gnus-mule-cite-add-face))
+
+ )))
(defun gnus-region-active-p ()
"Say whether the region is active."
(boundp 'mark-active)
mark-active))
-(defun gnus-mark-active-p ()
- "Non-nil means the mark and region are currently active in this buffer."
- mark-active) ; aliased to region-exists-p in XEmacs.
-
-(if (fboundp 'add-minor-mode)
- (defalias 'gnus-add-minor-mode 'add-minor-mode)
- (defun gnus-add-minor-mode (mode name map &rest rest)
+(defun gnus-add-minor-mode (mode name map)
+ (if (fboundp 'add-minor-mode)
+ (add-minor-mode mode name map)
(set (make-local-variable mode) t)
(unless (assq mode minor-mode-alist)
(push `(,mode ,name) minor-mode-alist))
pixmap file height beg i)
(save-excursion
(switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
- (let ((buffer-read-only nil)
- width height)
+ (let ((buffer-read-only nil))
(erase-buffer)
(when (and dir
- (file-exists-p (setq file
- (expand-file-name "x-splash" dir))))
- (let ((coding-system-for-read 'raw-text)
- default-enable-multibyte-characters)
- (with-temp-buffer
- (insert-file-contents file)
- (goto-char (point-min))
- (ignore-errors
- (setq pixmap (read (current-buffer)))))))
+ (file-exists-p (setq file (concat dir "x-splash"))))
+ (nnheader-temp-write nil
+ (insert-file-contents file)
+ (goto-char (point-min))
+ (ignore-errors
+ (setq pixmap (read (current-buffer))))))
(when pixmap
- (make-face 'gnus-splash)
+ (erase-buffer)
+ (unless (facep 'gnus-splash)
+ (make-face 'gnus-splash))
(setq height (/ (car pixmap) (frame-char-height))
width (/ (cadr pixmap) (frame-char-width)))
- (set-face-foreground 'gnus-splash "Brown")
+ (set-face-foreground 'gnus-splash "ForestGreen")
(set-face-stipple 'gnus-splash pixmap)
(insert-char ?\n (* (/ (window-height) 2 height) height))
(setq i height)
(while (> i 0)
- (insert-char ?\ (* (/ (window-width) 2 width) width))
+ (insert-char ? (* (+ (/ (window-width) 2 width) 1) width))
(setq beg (point))
- (insert-char ?\ width)
+ (insert-char ? width)
(set-text-properties beg (point) '(face gnus-splash))
- (insert ?\n)
+ (insert "\n")
(decf i))
(goto-char (point-min))
(sit-for 0))))))
-;;; Image functions.
-
-(defun gnus-image-type-available-p (type)
- (and (fboundp 'image-type-available-p)
- (image-type-available-p type)))
-
-(defun gnus-create-image (file &optional type data-p &rest props)
- (let ((face (plist-get props :face)))
- (when face
- (setq props (plist-put props :foreground (face-foreground face)))
- (setq props (plist-put props :background (face-background face))))
- (apply 'create-image file type data-p props)))
-
-(defun gnus-put-image (glyph &optional string)
- (insert-image glyph (or string " "))
- (unless string
- (put-text-property (1- (point)) (point)
- 'gnus-image-text-deletable t))
- glyph)
-
-(defun gnus-remove-image (image)
- (dolist (position (message-text-with-property 'display))
- (when (equal (get-text-property position 'display) image)
- (put-text-property position (1+ position) 'display nil)
- (when (get-text-property position 'gnus-image-text-deletable)
- (delete-region position (1+ position))))))
+(if (fboundp 'split-string)
+ (fset 'gnus-split-string 'split-string)
+ (defun gnus-split-string (string pattern)
+ "Return a list of substrings of STRING which are separated by PATTERN."
+ (let (parts (start 0))
+ (while (string-match pattern string start)
+ (setq parts (cons (substring string start (match-beginning 0)) parts)
+ start (match-end 0)))
+ (nreverse (cons (substring string start) parts)))))
(provide 'gnus-ems)
+;; Local Variables:
+;; byte-compile-warnings: '(redefine callargs)
+;; End:
+
;;; gnus-ems.el ends here