X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fgnus-ems.el;h=d2dde415f8aff851c18e8b88c739ab9a30116267;hb=3cf1618f34957ba08d8f91bdd552f9408d1d7a0f;hp=ef56bbe6e063c98f61cdf08bdc4c8b76112d9bf3;hpb=15cf2c08a64d2e909855d9a4e9d53cc595543c51;p=elisp%2Fgnus.git- diff --git a/lisp/gnus-ems.el b/lisp/gnus-ems.el index ef56bbe..d2dde41 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, 2001, 2002, 2003 +;; Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen +;; Tatsuya Ichikawa ;; Keywords: news ;; This file is part of GNU Emacs. @@ -25,17 +27,18 @@ ;;; Code: -(eval-when-compile (require 'cl)) +(eval-when-compile + (require 'cl) + (require 'ring)) ;;; 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)) '("--**-" . "-----") '("**" "--"))) @@ -43,169 +46,121 @@ (eval-and-compile (autoload 'gnus-xmas-define "gnus-xmas") (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)) + (autoload 'appt-select-lowest-window "appt") + (autoload 'gnus-get-buffer-create "gnus") + (autoload 'nnheader-find-etc-directory "nnheader")) + +(if (or (featurep 'xemacs) + (>= emacs-major-version 21)) + (autoload 'smiley-region "smiley") + (autoload 'smiley-region "smiley-mule")) + +;; Fixme: shouldn't require message +(autoload 'message-text-with-property "message") + +(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. -(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)))) - -(defun gnus-encode-coding-string (string system) - string) - -(defun gnus-decode-coding-string (string system) - string) - -(eval-and-compile - (if (string-match "XEmacs\\|Lucid" emacs-version) - nil - - (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)))))) - (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)))) + (defalias 'gnus-char-width + (if (fboundp 'char-width) + 'char-width + (lambda (ch) 1)))) ;; A simple hack. (eval-and-compile - (let ((case-fold-search t)) - (cond - ((string-match "windows-nt\\|os/2\\|emx" (format "%s" 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) + (if (featurep 'xemacs) + (gnus-xmas-define) + (defvar gnus-mouse-face-prop 'mouse-face + "Property used for highlighting mouse regions."))) + +(eval-when-compile + (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) + (defvar gnus-check-before-posting) + (defvar gnus-mouse-face) + (defvar gnus-group-buffer)) (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 - ;; particular, Emacs (including original MULE) and XEmacs are - ;; quite different. + ;; 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+. + ;; 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 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. + ;; (featurep 'mule) is t when other mule variants are running. - (defalias 'gnus-truncate-string 'truncate-string) + ;; 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. (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 ())) - (fset 'gnus-encode-coding-string 'encode-coding-string) - (fset 'gnus-decode-coding-string 'decode-coding-string) - + + (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." @@ -214,9 +169,14 @@ (boundp 'mark-active) mark-active)) -(defun gnus-add-minor-mode (mode name map) - (if (fboundp 'add-minor-mode) - (add-minor-mode mode name map) +(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) + (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) @@ -228,40 +188,112 @@ (let ((dir (nnheader-find-etc-directory "gnus")) pixmap file height beg i) (save-excursion - (switch-to-buffer (get-buffer-create gnus-group-buffer)) - (let ((buffer-read-only nil)) + (switch-to-buffer (gnus-get-buffer-create gnus-group-buffer)) + (let ((buffer-read-only nil) + width height) (erase-buffer) (when (and dir - (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)))))) + (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-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 "ForestGreen") + (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) 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)))))) -(provide 'gnus-ems) +;;; 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 category) + (let ((point (point))) + (insert-image glyph (or string " ")) + (put-text-property point (point) 'gnus-image-category category) + (unless string + (put-text-property (1- (point)) (point) + 'gnus-image-text-deletable t)) + glyph)) + +(defun gnus-remove-image (image &optional category) + (dolist (position (message-text-with-property 'display)) + (when (and (equal (get-text-property position 'display) image) + (equal (get-text-property position 'gnus-image-category) + category)) + (put-text-property position (1+ position) 'display nil) + (when (get-text-property position 'gnus-image-text-deletable) + (delete-region position (1+ position)))))) + +(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))) -;; Local Variables: -;; byte-compile-warnings: '(redefine callargs) -;; End: +(provide 'gnus-ems) ;;; gnus-ems.el ends here