diff options
Diffstat (limited to 'lisp/gnus/gnus-art.el')
| -rw-r--r-- | lisp/gnus/gnus-art.el | 172 |
1 files changed, 136 insertions, 36 deletions
diff --git a/lisp/gnus/gnus-art.el b/lisp/gnus/gnus-art.el index 29d70aa1a86..008fa266ea5 100644 --- a/lisp/gnus/gnus-art.el +++ b/lisp/gnus/gnus-art.el @@ -24,9 +24,6 @@ ;;; Code: -;; For Emacs <22.2 and XEmacs. -(eval-and-compile - (unless (fboundp 'declare-function) (defmacro declare-function (&rest r)))) (eval-when-compile (require 'cl)) (defvar tool-bar-map) @@ -4728,7 +4725,10 @@ If ALL-HEADERS is non-nil, no headers are hidden." gnus-article-image-alist nil) (gnus-run-hooks 'gnus-tmp-internal-hook) (when gnus-display-mime-function - (funcall gnus-display-mime-function)))) + (funcall gnus-display-mime-function)) + ;; Add attachment buttons to the header. + (when gnus-mime-display-attachment-buttons-in-header + (gnus-mime-buttonize-attachments-in-header)))) ;;; ;;; Gnus Sticky Article Mode @@ -5331,7 +5331,7 @@ Compressed files like .gz and .bz2 are decompressed." (mm-read-coding-system "Charset: ")))) ((mm-handle-undisplayer handle) (mm-remove-part handle))) - (forward-line 2) + (forward-line 1) (mm-display-inline handle) (goto-char b))))) @@ -5656,33 +5656,32 @@ all parts." (if (mm-handle-displayed-p handle) ;; This will remove the part. (mm-display-part handle) - (save-restriction - (narrow-to-region (point) - (if (eobp) (point) (1+ (point)))) - (gnus-bind-safe-url-regexp (mm-display-part handle)) - ;; We narrow to the part itself and - ;; then call the treatment functions. - (goto-char (point-min)) - (forward-line 1) - (narrow-to-region (point) (point-max)) - (gnus-treat-article - nil id - (gnus-article-mime-total-parts) - (mm-handle-media-type handle))))) + (save-window-excursion + (save-restriction + (narrow-to-region (point) + (if (eobp) (point) (1+ (point)))) + (gnus-bind-safe-url-regexp (mm-display-part handle)) + ;; We narrow to the part itself and + ;; then call the treatment functions. + (goto-char (point-min)) + (forward-line 1) + (narrow-to-region (point) (point-max)) + (gnus-treat-article + nil id + (gnus-article-mime-total-parts) + (mm-handle-media-type handle)))))) (if (window-live-p window) - (select-window window))))) - (goto-char point) - (gnus-delete-line) - (gnus-insert-mime-button - handle id (list (mm-handle-displayed-p handle))) - (goto-char point)))) + (select-window window)))))))) (defun gnus-article-goto-part (n) "Go to MIME part N." (when gnus-break-pages (widen)) + (article-goto-body) (prog1 - (let ((start (text-property-any (point-min) (point-max) 'gnus-part n)) + (let ((start (or (text-property-any (point) (point-max) 'gnus-part n) + ;; There may be header buttons. + (text-property-any (point-min) (point) 'gnus-part n))) part handle end next handles) (when start (goto-char start) @@ -5736,8 +5735,6 @@ all parts." (concat "; " gnus-tmp-name)))) (unless (equal gnus-tmp-description "") (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long))) - (unless (bolp) - (insert "\n")) (setq b (point)) (gnus-eval-format gnus-mime-button-line-format gnus-mime-button-line-format-alist @@ -5862,6 +5859,16 @@ If displaying \"text/html\" is discouraged \(see :group 'gnus-article-mime :type 'boolean) +(defcustom gnus-mime-display-attachment-buttons-in-header t + "Add attachment buttons in the end of the header of an article. +Since MIME attachments tend to be put at the end of an article, we may +overlook them if there is a huge body. This option offers you a copy +of all non-inlinable MIME parts as buttons shown in front of an article. +If nil, don't show those extra buttons." + :version "24.5" + :group 'gnus-article + :type 'boolean) + (defun gnus-mime-display-part (handle) (cond ;; Maybe a broken MIME message. @@ -5884,14 +5891,6 @@ If displaying \"text/html\" is discouraged \(see ((and (equal (car handle) "multipart/related") (not (or gnus-mime-display-multipart-as-mixed gnus-mime-display-multipart-related-as-mixed))) - ;;;!!!We should find the start part, but we just default - ;;;!!!to the first part. - ;;(gnus-mime-display-part (cadr handle)) - ;;;!!! Most multipart/related is an HTML message plus images. - ;;;!!! Unfortunately we are unable to let W3 display those - ;;;!!! included images, so we just display it as a mixed multipart. - ;;(gnus-mime-display-mixed (cdr handle)) - ;;;!!! No, w3 can display everything just fine. (gnus-mime-display-part (cadr handle))) ((equal (car handle) "multipart/signed") (gnus-add-wash-type 'signed) @@ -6110,7 +6109,10 @@ If displaying \"text/html\" is discouraged \(see (goto-char (point-max)) (setcdr begend (point-marker))))) (when ibegend - (goto-char point)))) + (goto-char point))) + ;; Redraw attachment buttons in the header. + (when gnus-mime-display-attachment-buttons-in-header + (gnus-mime-buttonize-attachments-in-header))) (defconst gnus-article-wash-status-strings (let ((alist '((cite "c" "Possible hidden citation text" @@ -6216,6 +6218,104 @@ Provided for backwards compatibility." (when image (gnus-add-image 'shr image)))) +(defun gnus-mime-buttonize-attachments-in-header (&optional interactive) + "Show attachments as buttons in the end of the header of an article. +This function toggles the display when called interactively. Note that +buttons to be added to the header are only the ones that aren't inlined +in the body. Use `gnus-header-face-alist' to highlight buttons." + (interactive (list t)) + (gnus-with-article-buffer + (gmm-labels + ;; Function that returns a flattened version of + ;; `gnus-article-mime-handle-alist'. + ((flattened-alist + (&optional alist id all) + (if alist + (let ((i 1) newid flat) + (dolist (handle alist flat) + (setq newid (append id (list i)) + i (1+ i)) + (if (stringp (car handle)) + (setq flat (nconc flat (flattened-alist (cdr handle) + newid all))) + (delq (rassq handle all) all) + (setq flat (nconc flat (list (cons newid handle))))))) + (let ((flat (list nil))) + ;; Assume that elements of `gnus-article-mime-handle-alist' + ;; are in the decreasing order, but unnumbered subsidiaries + ;; in each element are in the increasing order. + (dolist (handle (reverse gnus-article-mime-handle-alist)) + (if (stringp (cadr handle)) + (setq flat (nconc flat (flattened-alist (cddr handle) + (list (car handle)) + flat))) + (delq (rassq (cdr handle) flat) flat) + (setq flat (nconc flat (list (cons (list (car handle)) + (cdr handle))))))) + (setq flat (cdr flat)) + (mapc (lambda (handle) + (if (cdar handle) + ;; This is a hidden (i.e. unnumbered) handle. + (progn + (setcar handle + (1+ (caar gnus-article-mime-handle-alist))) + (push handle gnus-article-mime-handle-alist)) + (setcar handle (caar handle)))) + flat) + flat)))) + (let ((case-fold-search t) buttons st) + (save-excursion + (save-restriction + (widen) + (article-narrow-to-head) + ;; Header buttons exist? + (while (and (not buttons) + (re-search-forward "^attachments?:[\n ]+" nil t)) + (when (get-char-property (match-end 0) + 'gnus-button-attachment-extra) + (setq buttons (match-beginning 0)))) + (widen) + (when buttons + ;; Delete header buttons. + (delete-region buttons (if (re-search-forward "^[^ ]" nil t) + (match-beginning 0) + (point-max)))) + (unless (and interactive buttons) + ;; Find buttons. + (setq buttons nil) + (dolist (handle (flattened-alist)) + (when (and (not (stringp (cadr handle))) + (or (equal (car (mm-handle-disposition + (cdr handle))) + "attachment") + (not (and (mm-inlinable-p (cdr handle)) + (mm-inlined-p (cdr handle)))))) + (push handle buttons))) + (when buttons + ;; Add header buttons. + (article-goto-body) + (forward-line -1) + (narrow-to-region (point) (point)) + (insert "Attachment" (if (cdr buttons) "s" "") ":") + (dolist (button (nreverse buttons)) + (setq st (point)) + (insert " ") + (gnus-insert-mime-button (cdr button) (car button)) + (skip-chars-backward "\t\n ") + (delete-region (point) (point-max)) + (when (> (current-column) (window-width)) + (goto-char st) + (insert "\n") + (end-of-line))) + (insert "\n") + (dolist (ovl (gnus-overlays-in (point-min) (point))) + (gnus-overlay-put ovl 'gnus-button-attachment-extra t) + (gnus-overlay-put ovl 'face nil)) + (let ((gnus-treatment-function-alist + '((gnus-treat-highlight-headers + gnus-article-highlight-headers)))) + (gnus-treat-article 'head)))))))))) + ;;; Article savers. (defun gnus-output-to-file (file-name) |