X-Git-Url: https://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fgnus-ems.el;h=8cfa6e2a3cfa14fae0db21212ffd81ee2868eeae;hb=d221de47133101a3a77e2b21110a7734c771e3d0;hp=75501684b4668893117c298f7a55475e9e53e555;hpb=9fd8c1f836d36dfd084b1aac6f8f642ec5f6e6c0;p=gnus

diff --git a/lisp/gnus-ems.el b/lisp/gnus-ems.el
index 75501684b..8cfa6e2a3 100644
--- a/lisp/gnus-ems.el
+++ b/lisp/gnus-ems.el
@@ -1,7 +1,7 @@
 ;;; gnus-ems.el --- functions for making Gnus work under different Emacsen
-;; Copyright (C) 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc.
 
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news
 
 ;; This file is part of GNU Emacs.
@@ -17,96 +17,59 @@
 ;; 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.
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
 
 ;;; Commentary:
 
 ;;; Code:
 
+(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-easymenu 'easymenu)
-(defvar gnus-group-mode-hook ())
-(defvar gnus-summary-mode-hook ())
-(defvar gnus-article-mode-hook ())
+(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
+	  (< emacs-major-version 20))
+      '("--**-" . "-----")
+    '("**" "--")))
+
+(eval-and-compile
+  (autoload 'gnus-xmas-define "gnus-xmas")
+  (autoload 'gnus-xmas-redefine "gnus-xmas")
+  (autoload 'appt-select-lowest-window "appt"))
+
+;;; 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 (string-match "XEmacs\\|Lucid" emacs-version)
+      nil
 
-;; We do not byte-compile this file, because error messages are such a
-;; bore.  
+    (defvar gnus-mouse-face-prop 'mouse-face
+      "Property used for highlighting mouse regions."))
 
-(eval
- '(cond 
+  (cond
    ((string-match "XEmacs\\|Lucid" emacs-version)
-    ;; XEmacs definitions.
-
-    (setq gnus-mouse-2 [button2])
-    (setq gnus-easymenu 'auc-menu)
-
-    (or (memq 'underline (list-faces))
-	(funcall (intern "make-face") 'underline))
-    ;; Must avoid calling set-face-underline-p directly, because it
-    ;; is a defsubst in emacs19, and will make the .elc files non
-    ;; portable!
-    (or (face-differs-from-default-p 'underline)
-  	(funcall 'set-face-underline-p 'underline t))
-    (or (fboundp 'set-text-properties)
-	(defun set-text-properties (start end props &optional buffer)
-	  (if props
-	      (put-text-property start end (car props) (cdr props) buffer)
-	    (remove-text-properties start end ()))))
-    
-    (or (fboundp 'make-overlay) (fset 'make-overlay 'make-extent))
-    (or (fboundp 'overlay-put) (fset 'overlay-put 'set-extent-property))
-    (or (fboundp 'move-overlay) 
-        (defun move-overlay (extent start end &optional buffer)
-          (set-extent-endpoints extent start end)))
-    (or (boundp 'standard-display-table) (setq standard-display-table nil))
-    (or (boundp 'read-event) (fset 'read-event 'next-command-event))
-
-    (if (not gnus-visual)
-	()
-      (setq gnus-group-mode-hook
-	    (cons
-	     '(lambda ()
-	       (easy-menu-add gnus-group-reading-menu)
-	       (easy-menu-add gnus-group-group-menu)
-	       (easy-menu-add gnus-group-post-menu)
-	       (easy-menu-add gnus-group-misc-menu)
-	       (gnus-install-mouse-tracker)) 
-	     gnus-group-mode-hook))
-      (setq gnus-summary-mode-hook
-	    (cons
-	     '(lambda ()
-	       (easy-menu-add gnus-summary-mark-menu)
-	       (easy-menu-add gnus-summary-move-menu)
-	       (easy-menu-add gnus-summary-article-menu)
-	       (easy-menu-add gnus-summary-thread-menu)
-	       (easy-menu-add gnus-summary-misc-menu)
-	       (easy-menu-add gnus-summary-post-menu)
-	       (easy-menu-add gnus-summary-kill-menu)
-	       (gnus-install-mouse-tracker)) 
-	     gnus-summary-mode-hook))
-      (setq gnus-article-mode-hook
-	    (cons
-	     '(lambda ()
-	       (easy-menu-add gnus-article-article-menu)
-	       (easy-menu-add gnus-article-treatment-menu))
-	     gnus-article-mode-hook)))
-
-    (defun gnus-install-mouse-tracker ()
-      (require 'mode-motion)
-      (setq mode-motion-hook 'mode-motion-highlight-line)))
-
-   ((and (not (string-match "28.9" emacs-version)) 
-	 (not (string-match "29" emacs-version)))
-    (setq gnus-hidden-properties '(invisible t))
-    (or (fboundp 'buffer-substring-no-properties)
-	(defun buffer-substring-no-properties (beg end)
-	  (format "%s" (buffer-substring beg end)))))
-   
+    (gnus-xmas-define))
+
    ((boundp 'MULE)
-    (provide 'gnusutil))
-   
-   ))
+    (provide 'gnusutil))))
 
 (eval-and-compile
   (cond
@@ -115,219 +78,137 @@
     (let ((funcs '(mouse-set-point set-face-foreground
 				   set-face-background x-popup-menu)))
       (while funcs
-	(or (fboundp (car funcs))
-	    (fset (car funcs) 'gnus-dummy-func))
-	(setq funcs (cdr funcs))))))
-  (or (fboundp 'file-regular-p)
-      (defun file-regular-p (file)
-	(and (not (file-directory-p file))
-	     (not (file-symlink-p file))
-	     (file-exists-p file))))
-  (or (fboundp 'face-list)
-      (defun face-list (&rest args)))
-  )
+	(unless (fboundp (car funcs))
+	  (fset (car funcs) 'gnus-dummy-func))
+	(setq funcs (cdr funcs)))))))
+
+(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-score-char)
+(defvar gnus-tmp-indentation)
+(defvar gnus-tmp-opening-bracket)
+(defvar gnus-tmp-lines)
+(defvar gnus-tmp-name)
+(defvar gnus-tmp-closing-bracket)
+(defvar gnus-tmp-subject-or-nil)
 
 (defun gnus-ems-redefine ()
-  (cond 
+  (cond
    ((string-match "XEmacs\\|Lucid" emacs-version)
-    ;; XEmacs definitions.
-    (fset 'gnus-set-mouse-face (lambda (string) string))
-
-    (fset 'gnus-summary-make-display-table (lambda () nil))
-
-    (provide 'gnus)
-    (require 'gnus-vis)
-
-    (defun gnus-highlight-selected-summary ()
-      ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
-      ;; Highlight selected article in summary buffer
-      (if gnus-summary-selected-face
-	  (save-excursion
-	    (let* ((beg (progn (beginning-of-line) (point)))
-		   (end (progn (end-of-line) (point)))
-		   (to (max 1 (1- (or (previous-single-property-change
-				       end 'mouse-face nil beg) end))))
-		   (from (1+ (or (next-single-property-change 
-				  beg 'mouse-face nil end) beg))))
-	      (if (< to beg)
-		  (progn
-		    (setq from beg)
-		    (setq to end)))
-	      (if gnus-newsgroup-selected-overlay
-		  (delete-extent gnus-newsgroup-selected-overlay))
-	      (setq gnus-newsgroup-selected-overlay
-		    (make-extent from to))
-	      (set-extent-face gnus-newsgroup-selected-overlay
-			       gnus-summary-selected-face)))))
-
-
-    (defun gnus-summary-recenter ()
-      (let* ((top (cond ((< (window-height) 4) 0)
-			((< (window-height) 7) 1)
-			(t 2)))
-	     (height (- (window-height) 2))
-	     (bottom (save-excursion (goto-char (point-max))
-				     (forward-line (- height))
-				     (point)))
-	     (window (get-buffer-window (current-buffer))))
-	(and 
-	 ;; The user has to want it,
-	 gnus-auto-center-summary 
-	 ;; the article buffer must be displayed,
-	 (get-buffer-window gnus-article-buffer)
-	 ;; Set the window start to either `bottom', which is the biggest
-	 ;; possible valid number, or the second line from the top,
-	 ;; whichever is the least.
-	 (set-window-start
-	  window (min bottom (save-excursion (forward-line (- top)) 
-					     (point)))))))
-
-    (defun gnus-group-insert-group-line-info (group)
-      (let ((entry (gnus-gethash group gnus-newsrc-hashtb)) 
-	    (beg (point))
-	    active info)
-	(if entry
-	    (progn
-	      (setq info (nth 2 entry))
-	      (gnus-group-insert-group-line 
-	       nil group (nth 1 info) (nth 3 info) (car entry) (nth 4 info)))
-	  (setq active (gnus-gethash group gnus-active-hashtb))
-	  
-	  (gnus-group-insert-group-line 
-	   nil group (if (member group gnus-zombie-list) gnus-level-zombie
-		       gnus-level-killed)
-	   nil (if active (- (1+ (cdr active)) (car active)) 0) nil))
-	(save-excursion
-	 (goto-char beg)
-	 (remove-text-properties 
-	  (1+ (gnus-point-at-bol)) (1+ (gnus-point-at-eol))
-	  '(gnus-group nil)))))
-
-    (defun gnus-copy-article-buffer (&optional article-buffer)
-      (setq gnus-article-copy (get-buffer-create " *gnus article copy*"))
-      (buffer-disable-undo gnus-article-copy)
-      (or (memq gnus-article-copy gnus-buffer-list)
-	  (setq gnus-buffer-list (cons gnus-article-copy gnus-buffer-list)))
-      (let ((article-buffer (or article-buffer gnus-article-buffer))
-	    buf)
-	(if (and (get-buffer article-buffer)
-		 (buffer-name (get-buffer article-buffer)))
-	    (save-excursion
-	      (set-buffer article-buffer)
-	      (widen)
-	      (setq buf (buffer-substring (point-min) (point-max)))
-	      (set-buffer gnus-article-copy)
-	      (erase-buffer)
-	      (insert (format "%s" buf))))))
-
-    (defun gnus-summary-refer-article (message-id)
-      "Refer article specified by MESSAGE-ID.
-NOTE: This command only works with newsgroups that use real or simulated NNTP."
-      (interactive "sMessage-ID: ")
-      (if (or (not (stringp message-id))
-	      (zerop (length message-id)))
-	  ()
-	;; Construct the correct Message-ID if necessary.
-	;; Suggested by tale@pawl.rpi.edu.
-	(or (string-match "^<" message-id)
-	    (setq message-id (concat "<" message-id)))
-	(or (string-match ">$" message-id)
-	    (setq message-id (concat message-id ">")))
-	(let ((header (car (gnus-gethash (downcase message-id)
-					 gnus-newsgroup-dependencies))))
-	  (if header
-	      (or (gnus-summary-goto-article (header-number header))
-		  ;; The header has been read, but the article had been
-		  ;; expunged, so we insert it again.
-		  (let ((beg (point)))
-		    (gnus-summary-insert-line
-		     nil header 0 nil gnus-read-mark nil nil
-		     (header-subject header))
-		    (save-excursion
-		      (goto-char beg)
-		      (remove-text-properties
-		       (1+ (gnus-point-at-bol)) (1+ (gnus-point-at-eol))
-		       '(gnus-number nil gnus-mark nil gnus-level nil)))
-		    (forward-line -1)
-		    (header-number header)))
-	    (let ((gnus-override-method gnus-refer-article-method)
-		  (gnus-ancient-mark gnus-read-mark)
-		  (tmp-buf (get-buffer-create " *gnus refer"))
-		  (tmp-point (window-start
-			      (get-buffer-window gnus-article-buffer)))
-		  number)
-	      (and gnus-refer-article-method
-		   (or (gnus-server-opened gnus-refer-article-method)
-		       (gnus-open-server gnus-refer-article-method)))
-	      ;; Save the old article buffer.
-	      (save-excursion
-		(set-buffer tmp-buf)
-		(buffer-disable-undo (current-buffer))
-		(insert-buffer-substring gnus-article-buffer))
-	      (prog1
-		  (if (gnus-article-prepare 
-		       message-id nil (gnus-read-header message-id))
-		      (progn
-			(setq number (header-number gnus-current-headers))
-			(gnus-rebuild-thread message-id)
-			(gnus-summary-goto-subject number)
-			(gnus-summary-recenter)
-			(gnus-article-set-window-start 
-			 (cdr (assq number gnus-newsgroup-bookmarks)))
-			message-id)
-		    ;; We restore the old article buffer.
-		    (save-excursion
-		      (set-buffer gnus-article-buffer)
-		      (let ((buffer-read-only nil))
-			(insert-buffer-substring tmp-buf)
-			(and tmp-point
-			     (set-window-start (get-buffer-window (current-buffer))
-					       tmp-point))))
-		    nil)
-		(kill-buffer tmp-buf)))))))
-
-
-
-    )
-
-   ((boundp 'MULE)
-    ;; Mule definitions
-    (if (not (fboundp 'truncate-string))
-	(defun truncate-string (str width)
-	  (let ((w (string-width str))
-		(col 0) (idx 0) (p-idx 0) chr)
-	    (if (<= w width)
-		str
-	      (while (< col width)
-		(setq chr (aref str idx)
-		      col (+ col (char-width chr))
-		      p-idx idx
-		      idx (+ idx (char-bytes chr))
-		      ))
-	      (substring str 0 (if (= col width)
-				   idx
-				 p-idx))
-	      )))
-      )
-    (defalias 'gnus-truncate-string 'truncate-string)
-
-    (fset 
-     'gnus-format-max-width 
-     (lambda (form length)
-       (let* ((val (eval form))
-	      (valstr (if (numberp val) (int-to-string val) val)))
-	 (if (> (length valstr) length)
-	     (truncate-string valstr length)
-	   valstr))))
-
-    (fset 'gnus-summary-make-display-table (lambda () nil))
-    )
-   ))
+    (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
+    ;; 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
+    ;;                     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.
+
+    (defvar gnus-summary-display-table nil
+      "Display table used in summary mode buffers.")
+    (fset 'gnus-max-width-function 'gnus-mule-max-width-function)
+    (fset 'gnus-summary-set-display-table (lambda ()))
+
+    (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"))
+    )))
+
+(defun gnus-region-active-p ()
+  "Say whether the region is active."
+  (and (boundp 'transient-mark-mode)
+       transient-mark-mode
+       (boundp 'mark-active)
+       mark-active))
+
+(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))
+    (unless (assq mode minor-mode-map-alist)
+      (push (cons mode map)
+	    minor-mode-map-alist))))
+
+(defun gnus-x-splash ()
+  "Show a splash screen using a pixmap in the current buffer."
+  (let ((dir (nnheader-find-etc-directory "gnus"))
+	pixmap file height beg i)
+    (save-excursion
+      (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer))
+      (let ((buffer-read-only nil))
+	(erase-buffer)
+	(when (and dir
+		   (file-exists-p (setq file (concat dir "x-splash"))))
+	  (with-temp-buffer
+	    (insert-file-contents file)
+	    (goto-char (point-min))
+	    (ignore-errors
+	      (setq pixmap (read (current-buffer))))))
+	(when pixmap
+	  (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-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))
+	    (setq beg (point))
+	    (insert-char ?  width)
+	    (set-text-properties beg (point) '(face gnus-splash))
+	    (insert "\n")
+	    (decf i))
+	  (goto-char (point-min))
+	  (sit-for 0))))))
 
 (provide 'gnus-ems)
 
 ;; Local Variables:
-;; byte-compile-warnings: nil
+;; byte-compile-warnings: '(redefine callargs)
 ;; End:
 
 ;;; gnus-ems.el ends here