X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fgnus-ems.el;h=3a2fedcd1019762e67fc07a6f46b8ac1cb43f44c;hb=4c4ee2ed7b5f6c14942c73a92ff0a761b78fe2dd;hp=34625a2e18446d604fbbd7d96dc09c95ef7ee496;hpb=8c620ff2178b0f9079eb742a56f82a17c65c30bb;p=elisp%2Fgnus.git- diff --git a/lisp/gnus-ems.el b/lisp/gnus-ems.el index 34625a2..3a2fedc 100644 --- a/lisp/gnus-ems.el +++ b/lisp/gnus-ems.el @@ -1,7 +1,9 @@ -;;; gnus-ems.el --- functions for making Gnus work under different Emacsen -;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc. +;;; gnus-ems.el --- functions for making Semi-gnus work under different Emacsen +;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 +;; Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen +;; Tatsuya Ichikawa ;; Keywords: news ;; This file is part of GNU Emacs. @@ -29,13 +31,12 @@ ;;; 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)) '("--**-" . "-----") '("**" "--"))) @@ -45,76 +46,36 @@ (autoload 'gnus-xmas-redefine "gnus-xmas") (autoload 'appt-select-lowest-window "appt")) -;;; Mule functions. - -(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). - (if (boundp 'MULE) - (forward-char (chars-in-string prefix)) - (forward-char (length 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)))))) - -(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 valstr (, max-width)) - valstr)))) +(if (featurep 'xemacs) + (autoload 'gnus-smiley-display "smiley") + (autoload 'gnus-smiley-display "smiley-ems")) ; override XEmacs version -(eval-and-compile - (if (string-match "XEmacs\\|Lucid" emacs-version) - nil - - (defvar gnus-mouse-face-prop 'mouse-face - "Property used for highlighting mouse regions.")) +(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))))) - (cond - ((string-match "XEmacs\\|Lucid" emacs-version) - (gnus-xmas-define)) - - ((boundp 'MULE) - (provide 'gnusutil)))) +;;; Mule functions. (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)))) + (if (featurep 'xemacs) + (gnus-xmas-define) + (defvar gnus-mouse-face-prop 'mouse-face + "Property used for highlighting mouse regions."))) (eval-and-compile (let ((case-fold-search t)) (cond - ((string-match "windows-nt\\|os/2\\|emx" (symbol-name system-type)) + ((string-match "windows-nt\\|os/2\\|emx\\|cygwin32" + (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) @@ -128,59 +89,71 @@ (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. - - (defalias 'gnus-truncate-string 'truncate-string) + ;; 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-cite-add-face 'gnus-mule-cite-add-face) - (fset 'gnus-max-width-function 'gnus-mule-max-width-function) - (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)))) - - (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 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." @@ -189,9 +162,9 @@ (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)) @@ -205,19 +178,19 @@ 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 file) + (insert-file-contents-as-binary file) (goto-char (point-min)) (ignore-errors (setq pixmap (read (current-buffer)))))) (when pixmap - (erase-buffer) - (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") @@ -225,15 +198,135 @@ (insert-char ?\n (* (/ (window-height) 2 height) height)) (setq i height) (while (> i 0) - (insert-char ? (* (+ (/ (window-width) 2 width) 1) 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)) + (let (element) + (while (and alist (not element)) + (if (equal key (downcase (car (car alist)))) + (setq element (car alist))) + (setq alist (cdr alist))) + element)) + + +;;; 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) ;; Local Variables: