X-Git-Url: https://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fgnus-ems.el;h=aed735fe2ce48ec058d60e7fdb119bcd0d773dcd;hb=c0d7674c3cb02a31d3d2c0f240e44fb48827d3ab;hp=ef9e035acd75783f56a349893f04b5f690126652;hpb=3a309c3cdb030f55f5f0c07afbb1df8d2501f429;p=gnus diff --git a/lisp/gnus-ems.el b/lisp/gnus-ems.el index ef9e035ac..aed735fe2 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 Free Software Foundation, Inc. -;; Author: Lars Magne Ingebrigtsen +;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, +;; 2004, 2005, 2006 Free Software Foundation, Inc. + +;; Author: Lars Magne Ingebrigtsen ;; Keywords: news ;; This file is part of GNU Emacs. @@ -17,439 +19,231 @@ ;; 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., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. ;;; Commentary: ;;; Code: +(eval-when-compile + (require 'cl) + (require 'ring)) + +;;; Function aliases later to be redefined for XEmacs usage. + (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 ()) - -;; We do not byte-compile this file, because error messages are such a -;; bore. - -(eval - '(cond - ((string-match "XEmacs\\|Lucid" emacs-version) - ;; XEmacs definitions. - - (defvar gnus-summary-highlight - '(((> score default) . bold) - ((< score default) . italic)) - "*Alist of `(FORM . FACE)'. -Summary lines are highlighted with the FACE for the first FORM which -evaluate to a non-nil value. - -Point will be at the beginning of the line when FORM is evaluated. -The following can be used for convenience: - -score: (gnus-summary-article-score) -default: gnus-summary-default-score -below: gnus-summary-mark-below - -To check for marks, e.g. to underline replied articles, use -`gnus-summary-article-mark': - - ((= (gnus-summary-article-mark) gnus-replied-mark) . underline)") - - (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 (or (null buffer) (bufferp buffer)) - (if props - (while props - (put-text-property - start end (car props) (nth 1 props) buffer) - (setq props (nthcdr 2 props))) - (remove-text-properties start end ()))))) - - (defvar gnus-header-face-alist - '(("" bold italic))) - - (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)) - - (setq gnus-display-type - (let ((display-resource - (x-get-resource ".displayType" "DisplayType" 'string))) - (cond (display-resource (intern (downcase display-resource))) - ((x-display-color-p) 'color) - ((x-display-grayscale-p) 'grayscale) - (t 'mono)))) - - (setq gnus-background-mode - (let ((bg-resource - (x-get-resource ".backgroundMode" "BackgroundMode" 'string)) - (params (frame-parameters))) - (cond (bg-resource (intern (downcase bg-resource))) -; ((< (apply '+ (x-color-values -; (cdr (assq 'background-color params)))) -; (/ (apply '+ (x-color-values "white")) 3)) -; 'dark) - (t 'light)))) - - (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))))) - - ((boundp 'MULE) - (provide 'gnusutil)) - - )) +(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 (featurep 'xemacs) + '("--**-" . "-----") + '("**" "--"))) (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 - (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))) - ) + (autoload 'gnus-xmas-define "gnus-xmas") + (autoload 'gnus-xmas-redefine "gnus-xmas") + (autoload 'gnus-get-buffer-create "gnus") + (autoload 'nnheader-find-etc-directory "nnheader")) + +(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))))) + +;;; 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 (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) - ;; XEmacs definitions. - (fset 'gnus-set-mouse-face 'identity) - (fset 'gnus-summary-make-display-table (lambda () nil)) - (fset 'gnus-visual-turn-off-edit-menu 'identity) - - (defun gnus-highlight-selected-summary () - ;; Added by Per Abrahamsen . - ;; 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))))))) - - (defun gnus-summary-insert-pseudos (pslist &optional not-view) + (cond + ((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 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 + ;; Mule 2.3) is running. + ;; (featurep 'mule) is t when other 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. + + (defvar gnus-summary-display-table nil + "Display table used in summary mode buffers.") + (defalias 'gnus-max-width-function 'gnus-mule-max-width-function) + + (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"))))) + +;; Clone of `appt-select-lowest-window' in appt.el. +(defun gnus-select-lowest-window () +"Select the lowest window on the frame." + (let ((lowest-window (selected-window)) + (bottom-edge (nth 3 (window-edges)))) + (walk-windows (lambda (w) + (let ((next-bottom-edge (nth 3 (window-edges w)))) + (when (< bottom-edge next-bottom-edge) + (setq bottom-edge next-bottom-edge + lowest-window w))))) + (select-window lowest-window))) + +(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-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. + +(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) - (article (gnus-summary-article-number)) - b) - (or (gnus-summary-goto-subject article) - (error (format "No such article: %d" article))) - (or gnus-newsgroup-headers-hashtb-by-number - (gnus-make-headers-hashtable-by-number)) - (gnus-summary-position-cursor) - ;; If all commands are to be bunched up on one line, we collect - ;; them here. - (if gnus-view-pseudos-separately - () - (let ((ps (setq pslist (sort pslist 'gnus-pseudos<))) - files action) - (while ps - (setq action (cdr (assq 'action (car ps)))) - (setq files (list (cdr (assq 'name (car ps))))) - (while (and ps (cdr ps) - (string= (or action "1") - (or (cdr (assq 'action (car (cdr ps)))) "2"))) - (setq files (cons (cdr (assq 'name (car (cdr ps)))) files)) - (setcdr ps (cdr (cdr ps)))) - (if (not files) - () - (if (not (string-match "%s" action)) - (setq files (cons " " files))) - (setq files (cons " " files)) - (and (assq 'execute (car ps)) - (setcdr (assq 'execute (car ps)) - (funcall (if (string-match "%s" action) - 'format 'concat) - action - (mapconcat (lambda (f) f) files " "))))) - (setq ps (cdr ps))))) - (if (and gnus-view-pseudos (not not-view)) - (while pslist - (and (assq 'execute (car pslist)) - (gnus-execute-command (cdr (assq 'execute (car pslist))) - (eq gnus-view-pseudos 'not-confirm))) - (setq pslist (cdr pslist))) - (save-excursion - (while pslist - (gnus-summary-goto-subject (or (cdr (assq 'article (car pslist))) - (gnus-summary-article-number))) - (forward-line 1) - (setq b (point)) - (insert " " (file-name-nondirectory - (cdr (assq 'name (car pslist)))) - ": " (or (cdr (assq 'execute (car pslist))) "") "\n") - (add-text-properties - b (1+ b) (list 'gnus-number gnus-reffed-article-number - 'gnus-mark gnus-unread-mark - 'gnus-level 0 - 'gnus-pseudo (car pslist))) - (remove-text-properties (b) (gnus-point-at-eol) - '(gnus-number nil gnus-mark nil gnus-level nil)) - (forward-line -1) - (gnus-sethash (int-to-string gnus-reffed-article-number) - (car pslist) gnus-newsgroup-headers-hashtb-by-number) - (setq gnus-reffed-article-number (1- gnus-reffed-article-number)) - (setq pslist (cdr pslist))))))) - - - - ) - - ((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) - - (defun gnus-cite-add-face (number prefix face) - ;; At line NUMBER, ignore PREFIX and add FACE to the rest of the line. - (if face - (let ((inhibit-point-motion-hooks t) - from to) - (goto-line number) - (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)) - (if (< from to) - (overlay-put (make-overlay from to) 'face face))))) - - (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)) - ) - )) + width height) + (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))))))) + (when pixmap + (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)))))) + +;;; 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) + "Remove the image matching IMAGE and CATEGORY found first." + (let ((start (point-min)) + val end) + (while (and (not end) + (or (setq val (get-text-property start 'display)) + (and (setq start + (next-single-property-change start 'display)) + (setq val (get-text-property start 'display))))) + (setq end (or (next-single-property-change start 'display) + (point-max))) + (if (and (equal val image) + (equal (get-text-property start 'gnus-image-category) + category)) + (progn + (put-text-property start end 'display nil) + (when (get-text-property start 'gnus-image-text-deletable) + (delete-region start end))) + (unless (= end (point-max)) + (setq start end + end nil)))))) (provide 'gnus-ems) -;; Local Variables: -;; byte-compile-warnings: nil -;; End: - +;;; arch-tag: e7360b45-14b5-4171-aa39-69a44aed3cdb ;;; gnus-ems.el ends here