;;; Code:
-(eval-when-compile (require 'cl))
+(eval-when-compile
+ (require 'cl)
+ (defvar tool-bar-map))
(require 'gnus)
(require 'gnus-sum)
(require 'mm-view)
(require 'wid-edit)
(require 'mm-uu)
+(require 'message)
(autoload 'gnus-msg-mail "gnus-msg" nil t)
(autoload 'gnus-button-mailto "gnus-msg")
:group 'gnus-article-headers
:type 'boolean)
+(defcustom gnus-article-over-scroll nil
+ "If non-nil, allow scrolling the article buffer even when there no more text."
+ :group 'gnus-article
+ :type 'boolean)
+
;;; Internal variables
(defvar gnus-english-month-names
mml2015-use
(mml2015-clear-verify-function))
(with-temp-buffer
- (insert-buffer gnus-original-article-buffer)
+ (insert-buffer-substring gnus-original-article-buffer)
(setq items (split-string sig))
(message-narrow-to-head)
(let ((inhibit-point-motion-hooks t)
Argument LINES specifies lines to be scrolled up."
(interactive "p")
(move-to-window-line -1)
- (if (save-excursion
- (end-of-line)
- (and (pos-visible-in-window-p) ;Not continuation line.
- (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
+ (if (and (not gnus-article-over-scroll)
+ (save-excursion
+ (end-of-line)
+ (and (pos-visible-in-window-p) ;Not continuation line.
+ (>= (1+ (point)) (point-max))))) ;Allow for trailing newline.
;; Nothing in this page.
(if (or (not gnus-page-broken)
(save-excursion
:type 'regexp)
(defcustom gnus-button-valid-fqdn-regexp
- (concat "[a-z0-9][-.a-z0-9]+\\." ;; [hostname.subdomain.]domain.
- ;; valid TLDs:
- "\\([a-z][a-z]" ;; two letter country TDLs
- "\\|biz\\|com\\|edu\\|gov\\|int\\|mil\\|net\\|org"
- "\\|aero\\|coop\\|info\\|name\\|museum"
- "\\|arpa\\|pro\\|uucp\\|bitnet\\|bofh" ;; old style?
- "\\)")
+ message-valid-fqdn-regexp
"Regular expression that matches a valid FQDN."
:group 'gnus-article-buttons
:type 'regexp)
:type '(choice (const "^/?tex-archive/\\|/")
(regexp :tag "Other")))
+(defcustom gnus-button-ctan-directory-regexp
+ (concat
+ "\\("; Cannot use `\(?: ... \)' (compatibility with Emacs 20).
+ "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
+ "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
+ "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
+ "\\)")
+ "Regular expression for ctan directories.
+It should match all directories in the top level of `gnus-ctan-url'."
+ :group 'gnus-article-buttons
+ :type 'regexp)
+
(defcustom gnus-button-mid-or-mail-regexp
(concat "\\b\\(<?[a-z0-9][^<>\")!;:,{}\n\t ]*@"
gnus-button-valid-fqdn-regexp
(-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
(-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
(-1.0 . "^[^a-z]+@")
-
+ ;;
(-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
(-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
(-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
(-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
-
+ ;;
(-2.0 . "^[0-9]")
(-1.0 . "^[0-9][0-9]")
;;
(defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
+;; FIXME: Maybe we should merge some of the functions that do quite similar
+;; stuff?
+
(defun gnus-button-handle-describe-function (url)
"Call `describe-function' when pushing the corresponding URL button."
(describe-function
(intern
(gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
+(defun gnus-button-handle-symbol (url)
+"Display help on variable or function.
+Calls `describe-variable' or `describe-function'."
+ (let ((sym (intern url)))
+ (cond
+ ((fboundp sym) (describe-function sym))
+ ((boundp sym) (describe-variable sym))
+ (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
+
(defun gnus-button-handle-describe-key (url)
"Call `describe-key' when pushing the corresponding URL button."
(let* ((key-string
(if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
(gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
+(defun gnus-button-handle-library (url)
+ "Call `locate-library' when pushing the corresponding URL button."
+ (gnus-message 9 "url=`%s'" url)
+ (let* ((lib (locate-library url))
+ (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
+ (if (not lib)
+ (gnus-message 1 "Cannot locale library `%s'." url)
+ (find-file-read-only file))))
+
(defun gnus-button-handle-ctan (url)
"Call `browse-url' when pushing a CTAN URL button."
(funcall
:link '(custom-manual "(gnus)Group Parameters")
:type 'integer)
-(defcustom gnus-button-mail-level 5
- "*Integer that says how many buttons for message IDs or mail addresses will appear.
+(defcustom gnus-button-message-level 5
+ "*Integer that says how many buttons for news or mail messages will appear.
+The higher the number, the more buttons will appear and the more false
+positives are possible."
+ ;; mail addresses, MIDs, URLs for news, ...
+ :group 'gnus-article-buttons
+ :type 'integer)
+
+(defcustom gnus-button-browse-level 5
+ "*Integer that says how many buttons for browsing will appear.
The higher the number, the more buttons will appear and the more false
positives are possible."
+ ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
:group 'gnus-article-buttons
:type 'integer)
(defcustom gnus-button-alist
'(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
- 0 t gnus-button-handle-news 3)
+ 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
gnus-button-handle-news 2)
("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
- 1 t
- gnus-button-fetch-group 4)
- ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
- ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
- t gnus-button-message-id 3)
- ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
- ("mailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
- ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
+ 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 4)
+ ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 2)
+ ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
+ 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
+ ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
+ 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
+ ("mailto:\\([-a-z.@_+0-9%=?]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
+ ("\\bmailto:\\([^ \n\t]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
;; CTAN
- ("\\bCTAN:[ \t\n]*\\([^>)!;:,\n\t ]*\\)" 0 (>= gnus-button-tex-level 1)
- gnus-button-handle-ctan 1)
+ ("\\bCTAN:[ \t\n]*\\([^>)!;:,'\n\t ]*\\)"
+ 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
+ ((concat "\\btex-archive/\\("
+ gnus-button-ctan-directory-regexp
+ "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
+ 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
+ ((concat
+ "\\b\\("
+ gnus-button-ctan-directory-regexp
+ "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
+ 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
;; This is info
- ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
- (>= gnus-button-emacs-level 1) gnus-button-handle-info 2)
+ ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)"
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
+ ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
+ (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
+ ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
+ ;; Info links like `C-h i d m CC Mode RET'
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
;; This is custom
- ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
- (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
+ ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
+ 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
(>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
;; Emacs help commands
0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
+ ;; The following entries may lead to many false positives so don't enable
+ ;; them by default (use a high button level):
+ ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
+ 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
+ ("`\\([a-z][-a-z0-9]+\\.el\\)'"
+ 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
+ ("`\\([a-z]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
+ 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
+ ("`\\([a-z]+-[a-z]+\\)'"
+ 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
+ ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
+ 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
- ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'" 1
+ ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
;; Unlike the other regexps we really have to require quoting
;; here to determine where it ends.
- (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
- ;; This is how URLs _should_ be embedded in text...
- ("<URL: *\\([^<>]*\\)>" 1 t gnus-button-embedded-url 1)
+ 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
+ ;; This is how URLs _should_ be embedded in text (RFC 1738)...
+ ("<URL: *\\([^<>]*\\)>"
+ 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
;; Raw URLs.
- (gnus-button-url-regexp 0 t browse-url 0)
+ (gnus-button-url-regexp
+ 0 (>= gnus-button-browse-level 0) browse-url 0)
;; man pages
- ("\\b\\([a-z][a-z]+\\)([1-9])\\W" 0
- (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
+ ("\\b\\([a-z][a-z]+\\)([1-9])\\W"
+ 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
gnus-button-handle-man 1)
;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
- ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W" 0
- (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
+ ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W"
+ 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
gnus-button-handle-man 1)
;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
- ;; SoWWWAnchor(3iv), XSelectInput(3X11)
- ("\\b\\([a-z][-_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W" 0
- (>= gnus-button-man-level 5) gnus-button-handle-man 1)
+ ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
+ ("\\b\\([a-z][-_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W\\|\\b\\(X\\)([1-9])\\W"
+ 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
;; MID or mail: To avoid too many false positives we don't try to catch
;; all kind of allowed MIDs or mail addresses. Domain part must contain
;; at least one dot. TLD must contain two or three chars or be a know TLD
;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
;; so that non-ambiguous entries (see above) match first.
(gnus-button-mid-or-mail-regexp
- 0 (>= gnus-button-mail-level 5) gnus-button-handle-mid-or-mail 1))
+ 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
"*Alist of regexps matching buttons in article bodies.
Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
(defcustom gnus-header-button-alist
'(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
- 0 t gnus-button-message-id 0)
- ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
+ 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
+ ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
+ 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
- 0 t gnus-button-mailto 0)
- ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp 0 t browse-url 0)
- ("^Subject:" gnus-button-url-regexp 0 t browse-url 0)
- ("^[^:]+:" gnus-button-url-regexp 0 t browse-url 0)
- ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
- ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
- gnus-button-message-id 3))
+ 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
+ ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
+ 0 (>= gnus-button-browse-level 0) browse-url 0)
+ ("^Subject:" gnus-button-url-regexp
+ 0 (>= gnus-button-browse-level 0) browse-url 0)
+ ("^[^:]+:" gnus-button-url-regexp
+ 0 (>= gnus-button-browse-level 0) browse-url 0)
+ ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
+ ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)"
+ 1 (>= gnus-button-message-level 0) gnus-button-message-id 3))
"*Alist of headers and regexps to match buttons in article heads.
This alist is very similar to `gnus-button-alist', except that each
"Fetch a man page."
(funcall gnus-button-man-handler url))
-(defun gnus-button-handle-info (url)
+(defun gnus-button-handle-info-url (url)
"Fetch an info URL."
- (if (string-match
- "^\\([^:/]+\\)?/\\(.*\\)"
- url)
- (gnus-info-find-node
- (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
- "Gnus")
- ")"
- (gnus-url-unhex-string (match-string 2 url))))
- (error "Can't parse %s" url)))
+ (cond
+ ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
+ (gnus-info-find-node
+ (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
+ "Gnus")
+ ")" (gnus-url-unhex-string (match-string 2 url)))))
+ ((string-match "([^)\"]+)[^\"]+" url)
+ (setq url
+ (gnus-replace-in-string
+ (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
+ (gnus-info-find-node url))
+ (t (error "Can't parse %s" url))))
+
+(defun gnus-button-handle-info-keystrokes (url)
+ "Call `info' when pushing the corresponding URL button."
+ ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
+ (info)
+ (Info-directory)
+ (Info-menu url))
(defun gnus-button-message-id (message-id)
"Fetch MESSAGE-ID."
projects / elisp / gnus.git- / blobdiff