;;; gnus-ems.el --- functions for making Semi-gnus work under different Emacsen
-;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Tatsuya Ichikawa <t-ichi@niagara.shiojiri.ne.jp>
;;; 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 gnus-xemacs
+ (if (or (featurep 'xemacs)
(< emacs-major-version 20))
'("--**-" . "-----")
'("**" "--")))
(autoload 'gnus-xmas-redefine "gnus-xmas")
(autoload 'appt-select-lowest-window "appt"))
-(or (fboundp 'mail-file-babyl-p)
- (fset 'mail-file-babyl-p 'rmail-file-p))
+(if (featurep 'xemacs)
+ (autoload 'gnus-smiley-display "smiley")
+ (autoload 'gnus-smiley-display "smiley-ems")) ; override XEmacs version
+
+(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)))))
;;; Mule functions.
(eval-and-compile
- (if (string-match "XEmacs\\|Lucid" emacs-version)
- nil
-
+ (if (featurep 'xemacs)
+ (gnus-xmas-define)
(defvar gnus-mouse-face-prop 'mouse-face
- "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)))))))
+ "Property used for highlighting mouse regions.")))
(eval-and-compile
(let ((case-fold-search t))
(symbol-name system-type))
(setq nnheader-file-name-translation-alist
(append nnheader-file-name-translation-alist
- '((?: . ?_)
- (?+ . ?-))))))))
+ (mapcar (lambda (c) (cons c ?_))
+ '(?: ?* ?\" ?< ?> ??))
+ '((?+ . ?-))))))))
(defvar gnus-tmp-unread)
(defvar gnus-tmp-replied)
(defun gnus-ems-redefine ()
(cond
- ((string-match "XEmacs\\|Lucid" emacs-version)
+ ((featurep 'xemacs)
(gnus-xmas-redefine))
((featurep 'mule)
;; Mule and new Emacs definitions
;; [Note] Now there are three kinds of mule implementations,
- ;; original MULE, XEmacs/mule and beta version of Emacs including
- ;; some mule features. Unfortunately these API are different. In
+ ;; 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.
+ ;; quite different. However, this version of Gnus doesn't support
+ ;; anything other than XEmacs 20+ and Emacs 20.3+.
+
;; Predicates to check are following:
;; (boundp 'MULE) is t only if MULE (original; anything older than
;; Mule 2.3) is running.
;; (featurep 'mule) is t when every mule variants are running.
- ;; 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.
+ ;; It is possible to detect XEmacs/mule by (featurep 'mule) and
+ ;; checking `emacs-version'. In this case, the implementation for
+ ;; XEmacs/mule may be shareable between XEmacs and XEmacs/mule.
(defvar gnus-summary-display-table nil
"Display table used in summary mode buffers.")
- (fset 'gnus-summary-set-display-table (lambda ()))
+
+ (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))))
+ ))
+ (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 (> (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)))))
+ (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 (> (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 (boundp 'gnus-check-before-posting)
- (setq gnus-check-before-posting
- (delq 'long-lines
- (delq 'control-chars gnus-check-before-posting))))
-
- )))
+ (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."
(boundp 'mark-active)
mark-active))
-(defun gnus-add-minor-mode (mode name map)
- (if (fboundp 'add-minor-mode)
- (add-minor-mode mode name map)
+(if (fboundp 'add-minor-mode)
+ (defalias 'gnus-add-minor-mode 'add-minor-mode)
+ (defun gnus-add-minor-mode (mode name map &rest rest)
(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))
+ (let ((buffer-read-only nil)
+ width height)
(erase-buffer)
(when (and dir
- (file-exists-p (setq file (concat dir "x-splash"))))
+ (file-exists-p (setq file
+ (expand-file-name "x-splash" dir))))
(with-temp-buffer
(insert-file-contents-as-binary file)
(goto-char (point-min))
(ignore-errors
(setq pixmap (read (current-buffer))))))
(when pixmap
- (unless (facep 'gnus-splash)
- (make-face '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")
(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) 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))))))
+(defvar gnus-article-xface-ring-internal nil
+ "Cache for face data.")
+
+;; Worth customizing?
+(defvar gnus-article-xface-ring-size 6
+ "Length of the ring used for `gnus-article-xface-ring-internal'.")
+
+(defvar gnus-article-compface-xbm
+ (condition-case ()
+ (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.
+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
+`netpbm' or `libgr-progs', for instance. See also
+`gnus-article-compface-xbm'.
+
+This function is for Emacs 21+. See `gnus-xmas-article-display-xface'
+for XEmacs."
+ ;; It might be worth converting uncompface's output in Lisp.
+
+ (when (if (fboundp 'display-graphic-p)
+ (display-graphic-p))
+ (unless gnus-article-xface-ring-internal ; Only load ring when needed.
+ (setq gnus-article-xface-ring-internal
+ (make-ring gnus-article-xface-ring-size)))
+ (save-excursion
+ (let* ((cur (current-buffer))
+ (data (buffer-substring beg end))
+ (image (cdr-safe (assoc data (ring-elements
+ gnus-article-xface-ring-internal))))
+ default-enable-multibyte-characters)
+ (unless image
+ (with-temp-buffer
+ (insert data)
+ (and (eq 0 (apply #'call-process-region (point-min) (point-max)
+ "uncompface"
+ 'delete '(t nil) nil
+ (if gnus-article-compface-xbm
+ '("-X"))))
+ (if gnus-article-compface-xbm
+ t
+ (goto-char (point-min))
+ (progn (insert "/* Width=48, Height=48 */\n") t)
+ (eq 0 (call-process-region (point-min) (point-max)
+ "icontopbm"
+ 'delete '(t nil))))
+ ;; Miles Bader says that faces don't look right as
+ ;; light on dark.
+ (if (eq 'dark (cdr-safe (assq 'background-mode
+ (frame-parameters))))
+ (setq image (create-image (buffer-string)
+ (if gnus-article-compface-xbm
+ 'xbm
+ 'pbm)
+ t
+ :ascent 'center
+ :foreground "black"
+ :background "white"))
+ (setq image (create-image (buffer-string)
+ (if gnus-article-compface-xbm
+ 'xbm
+ 'pbm)
+ t
+ :ascent 'center)))))
+ (ring-insert gnus-article-xface-ring-internal (cons data image)))
+ (when image
+ (goto-char (point-min))
+ (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))
projects / elisp / gnus.git- / blobdiff