-;;; semi-def.el --- definition module for SEMI
+;;; semi-def.el --- definition module for SEMI -*- coding: iso-8859-4; -*-
-;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Keywords: definition, MIME, multimedia, mail, news
-;; This file is part of SEMI (Spadework for Emacs MIME Interfaces).
+;; This file is part of SEMI (Sample of Emacs MIME Implementation).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;;; Code:
-(require 'emu)
+(require 'poe)
-(defconst mime-module-version '("SEMI" "Arimagawa" 1 2 4)
- "Implementation name, version name and numbers of MIME-kernel package.")
+(eval-when-compile (require 'cl))
-(autoload 'mule-caesar-region "mule-caesar"
- "Caesar rotation of current region." t)
-
-
-;;; @ variables
-;;;
+(require 'custom)
-(defvar mime/use-multi-frame
- (and (>= emacs-major-version 19) window-system))
+(defconst mime-user-interface-product ["EMIKO" (1 14 0) "Zoomastigophora"]
+ "Product name, version number and code name of MIME-kernel package.")
-(defvar mime/find-file-function
- (if mime/use-multi-frame
- (function find-file-other-frame)
- (function find-file)
- ))
+(autoload 'mule-caesar-region "mule-caesar"
+ "Caesar rotation of current region." t)
+(autoload 'widget-convert-button "wid-edit")
;;; @ constants
;;;
;;; @ button
;;;
-(defcustom mime-button-face 'bold
- "Face used for content-button or URL-button of MIME-Preview buffer."
- :group 'mime
- :type 'face)
-
-(defcustom mime-button-mouse-face 'highlight
- "Face used for MIME-preview buffer mouse highlighting."
- :group 'mime
- :type 'face)
-
-(defsubst mime-add-button (from to function &optional data)
- "Create a button between FROM and TO with callback FUNCTION and DATA."
- (let ((overlay (make-overlay from to)))
- (and mime-button-face
- (overlay-put overlay 'face mime-button-face))
- (and mime-button-mouse-face
- (overlay-put overlay 'mouse-face mime-button-mouse-face))
- (add-text-properties from to (list 'mime-button-callback function))
- (and data
- (add-text-properties from to (list 'mime-button-data data)))
- ;;(add-text-properties from to (list 'keymap widget-keymap))
- ))
+(define-widget 'mime-button 'link
+ "Widget for MIME button."
+ :action 'mime-button-action)
+(defun mime-button-action (widget &optional event)
+ (let ((function (widget-get widget :mime-button-callback))
+ (data (widget-get widget :mime-button-data)))
+ (when function
+ (funcall function data))))
+
(defsubst mime-insert-button (string function &optional data)
"Insert STRING as button with callback FUNCTION and DATA."
(save-restriction
(narrow-to-region (point)(point))
- (insert (concat "[" string "]"))
- ;; (widget-push-button-value-create
- ;; (widget-convert 'push-button
- ;; :notify (lambda (&rest ignore)
- ;; (mime-preview-play-current-entity)
- ;; )
- ;; string))
- (insert "\n")
- (mime-add-button (point-min)(point-max) function data)
- ))
-
-(defvar mime-button-mother-dispatcher nil)
-
-(defun mime-button-dispatcher (event)
- "Select the button under point."
- (interactive "e")
- (let (buf point func data)
- (save-window-excursion
- (mouse-set-point event)
- (setq buf (current-buffer)
- point (point)
- func (get-text-property (point) 'mime-button-callback)
- data (get-text-property (point) 'mime-button-data)
- )
- )
- (save-excursion
- (set-buffer buf)
- (goto-char point)
- (if func
- (apply func data)
- (if (fboundp mime-button-mother-dispatcher)
- (funcall mime-button-mother-dispatcher event)
- )
- ))))
-
-
-;;; @ PGP
-;;;
-
-(defvar pgp-function-alist
- '(
- ;; for mime-pgp
- (verify mc-verify "mc-toplev")
- (decrypt mc-decrypt "mc-toplev")
- (fetch-key mc-pgp-fetch-key "mc-pgp")
- (snarf-keys mc-snarf-keys "mc-toplev")
- ;; for mime-edit
- (mime-sign mime-mc-pgp-sign-region "mime-mc")
- (traditional-sign mc-pgp-sign-region "mc-pgp")
- (encrypt mime-mc-pgp-encrypt-region "mime-mc")
- (insert-key mc-insert-public-key "mc-toplev")
- )
- "Alist of service names vs. corresponding functions and its filenames.
-Each element looks like (SERVICE FUNCTION FILE).
-
-SERVICE is a symbol of PGP processing. It allows `verify', `decrypt',
-`fetch-key', `snarf-keys', `mime-sign', `traditional-sign', `encrypt'
-or `insert-key'.
-
-Function is a symbol of function to do specified SERVICE.
-
-FILE is string of filename which has definition of corresponding
-FUNCTION.")
-
-(defmacro pgp-function (method)
- "Return function to do service METHOD."
- `(cadr (assq ,method (symbol-value 'pgp-function-alist)))
- )
-
-(mapcar (function
- (lambda (method)
- (autoload (cadr method)(nth 2 method))
- ))
- pgp-function-alist)
-
-
-;;; @ method selector kernel
+ ;; Maybe we should introduce button formatter such as
+ ;; `gnus-mime-button-line-format'.
+ (insert "[" string "]")
+ ;; XEmacs -- when `widget-glyph-enable' is non nil, widget values are not
+ ;; guaranteed to be underlain.
+ (widget-convert-button 'mime-button (point-min)(point-max)
+ :mime-button-callback function
+ :mime-button-data data)
+ (insert "\n")))
+
+
+;;; @ for URL
;;;
-(require 'atype)
+(defcustom mime-browse-url-regexp
+ (concat "\\(http\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):"
+ "\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?"
+ "[-a-zA-Z0-9_=?#$@~`%&*+|\\/.,]*[-a-zA-Z0-9_=#$@~`%&*+|\\/]")
+ "Regexp to match URL in text body."
+ :group 'mime
+ :type 'regexp)
-;;; @@ field unifier
-;;;
+(defcustom mime-browse-url-function (function browse-url)
+ "Function to browse URL."
+ :group 'mime
+ :type 'function)
-(defun field-unifier-for-mode (a b)
- (let ((va (cdr a)))
- (if (if (consp va)
- (member (cdr b) va)
- (equal va (cdr b))
- )
- (list nil b nil)
- )))
+(define-widget 'mime-url-link 'url-link
+ "A link to an www page.")
+(defsubst mime-add-url-buttons ()
+ "Add URL-buttons for text body."
+ (goto-char (point-min))
+ (while (re-search-forward mime-browse-url-regexp nil t)
+ (widget-convert-button 'mime-url-link (match-beginning 0)(match-end 0)
+ (match-string-no-properties 0))))
-;;; @ field
-;;;
-(defun tm:set-fields (sym field-list &optional regexp-sym)
- (or regexp-sym
- (setq regexp-sym
- (let ((name (symbol-name sym)))
- (intern
- (concat (if (string-match "\\(.*\\)-list" name)
- (substring name 0 (match-end 1))
- name)
- "-regexp")
- )))
- )
- (set sym field-list)
- (set regexp-sym
- (concat "^" (apply (function regexp-or) field-list) ":"))
- )
-
-(defun tm:add-fields (sym field-list &optional regexp-sym)
- (or regexp-sym
- (setq regexp-sym
- (let ((name (symbol-name sym)))
- (intern
- (concat (if (string-match "\\(.*\\)-list" name)
- (substring name 0 (match-end 1))
- name)
- "-regexp")
- )))
- )
- (let ((fields (eval sym)))
- (mapcar (function
- (lambda (field)
- (or (member field fields)
- (setq fields (cons field fields))
- )
- ))
- (reverse field-list)
- )
- (set regexp-sym
- (concat "^" (apply (function regexp-or) fields) ":"))
- (set sym fields)
- ))
-
-(defun tm:delete-fields (sym field-list &optional regexp-sym)
- (or regexp-sym
- (setq regexp-sym
- (let ((name (symbol-name sym)))
- (intern
- (concat (if (string-match "\\(.*\\)-list" name)
- (substring name 0 (match-end 1))
- name)
- "-regexp")
- )))
- )
- (let ((fields (eval sym)))
- (mapcar (function
- (lambda (field)
- (setq fields (delete field fields))
- ))
- field-list)
- (set regexp-sym
- (concat "^" (apply (function regexp-or) fields) ":"))
- (set sym fields)
- ))
-
-
-;;; @ RCS version
+;;; @ menu
;;;
-(defsubst get-version-string (id)
- "Return a version-string from RCS ID."
- (and (string-match ",v \\([0-9][0-9.][0-9.]+\\)" id)
- (substring id (match-beginning 1)(match-end 1))
- ))
+(defmacro mime-popup-menu-bogus-filter-constructor (menu)
+ ;; #### Kludge for FSF Emacs-style menu.
+ (let ((bogus-menu (make-symbol "bogus-menu")))
+ `(let (,bogus-menu selection function)
+ (easy-menu-define ,bogus-menu nil nil ,menu)
+ (setq selection (x-popup-menu t ,bogus-menu))
+ (when selection
+ (setq function (lookup-key ,bogus-menu (apply #'vector selection)))
+ ;; If a callback entry has no name, easy-menu wraps its value.
+ ;; See `easy-menu-make-symbol'.
+ (if (eq t (compare-strings "menu-function-" 0 nil (symbol-name function) 0 14))
+ (car (last (symbol-function function)))
+ function)))))
+
+;;; While XEmacs can have both X and tty frames at the same time with
+;;; gnuclient, we shouldn't emulate in text-mode here.
+
+(static-if (featurep 'xemacs)
+ (defalias 'mime-popup-menu-popup 'popup-menu)
+ (defun mime-popup-menu-popup (menu &optional event)
+ (let ((function (mime-popup-menu-bogus-filter-constructor menu)))
+ (when (symbolp function)
+ (funcall function)))))
+
+(static-if (featurep 'xemacs)
+ (defun mime-popup-menu-select (menu &optional event)
+ (let ((selection (get-popup-menu-response menu event)))
+ (event-object selection)))
+ (defun mime-popup-menu-select (menu &optional event)
+ (mime-popup-menu-bogus-filter-constructor menu)))
;;; @ Other Utility
;;;
-(defun call-after-loaded (module func &optional hook-name)
- "If MODULE is provided, then FUNC is called.
-Otherwise func is set to MODULE-load-hook.
-If optional argument HOOK-NAME is specified,
-it is used as hook to set."
- (if (featurep module)
- (funcall func)
- (or hook-name
- (setq hook-name (intern (concat (symbol-name module) "-load-hook")))
- )
- (add-hook hook-name func)
- ))
+(defvar mime-condition-type-alist
+ '((preview . mime-preview-condition)
+ (action . mime-acting-condition)))
+
+(defvar mime-condition-mode-alist
+ '((with-default . ctree-set-calist-with-default)
+ (t . ctree-set-calist-strictly)))
+
+(defun mime-add-condition (target-type condition &optional mode file)
+ "Add CONDITION to database specified by TARGET-TYPE.
+TARGET-TYPE must be 'preview or 'action.
+If optional argument MODE is 'strict or nil (omitted), CONDITION is
+added strictly.
+If optional argument MODE is 'with-default, CONDITION is added with
+default rule.
+If optional argument FILE is specified, it is loaded when CONDITION is
+activate."
+ (let ((sym (cdr (assq target-type mime-condition-type-alist))))
+ (if sym
+ (let ((func (cdr (or (assq mode mime-condition-mode-alist)
+ (assq t mime-condition-mode-alist)))))
+ (if (fboundp func)
+ (progn
+ (funcall func sym condition)
+ (if file
+ (let ((method (cdr (assq 'method condition))))
+ (autoload method file))))
+ (error "Function for mode `%s' is not found." mode)))
+ (error "Variable for target-type `%s' is not found." target-type))))
;;; @ end