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2a8d083607
The w3 package was removed from GNU ELPA in 2020 as it doesn't run on a recent Emacs, and development had stopped over a decade before that. If anyone wants to revive the w3 package, they should look this all over, but it doesn't make sense for us to maintain this support code. Ref: https://debbugs.gnu.org/25395 * lisp/net/browse-url.el (browse-url-w3): Make obsolete. (browse-url--browser-defcustom-type) (browse-url-default-browser): * lisp/ffap.el (ffap-url-at-point, ffap-file-at-point): * lisp/net/newst-plainview.el (newsticker--buffer-do-insert-text): * lisp/net/newst-reader.el (newsticker-html-renderer) (newsticker-show-news): * lisp/net/newst-treeview.el (newsticker--treeview-render-text): * lisp/org/ol.el (org-store-link): * lisp/url/url.el (url-retrieve): Remove w3 support code and related documentation and comments. (Bug#56435) * test/lisp/net/browse-url-tests.el (browse-url-tests-browser-kind): Adjust test for above changes. * etc/TODO: Remove TODO to install W3. * doc/misc/org.org (Handling Links): Don't mention W3. * lisp/msb.el (msb--few-menus, msb--very-many-menus): Check for eww-mode instead of w3-mode.
99 lines
3.8 KiB
EmacsLisp
99 lines
3.8 KiB
EmacsLisp
;;; widget.el --- a library of user interface components -*- lexical-binding: t; -*-
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;;
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;; Copyright (C) 1996-1997, 2001-2022 Free Software Foundation, Inc.
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;;
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;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
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;; Keywords: help, extensions, faces, hypermedia
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;; URL: http://www.dina.kvl.dk/~abraham/custom/
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;; Package: emacs
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;; The widget library is partially documented in the `widget' Info
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;; file.
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;;
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;; This file only contains the code needed to define new widget types.
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;; Everything else is autoloaded from `wid-edit.el'.
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;;; Code:
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;; Doing this is unnecessary in Emacs 20. Kept as dummy in case
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;; external libraries call it. We save a kb or two of purespace by
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;; dummying-out such definitions generally.
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(defmacro define-widget-keywords (&rest _keys)
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;; ;; Don't use backquote, since that makes trouble trying to
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;; ;; re-bootstrap from just the .el files.
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;; (list 'eval-and-compile
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;; (list 'let (list (list 'keywords (list 'quote keys)))
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;; (list 'while 'keywords
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;; (list 'or (list 'boundp (list 'car 'keywords))
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;; (list 'set (list 'car 'keywords) (list 'car 'keywords)))
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;; (list 'setq 'keywords (list 'cdr 'keywords)))))
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(declare (obsolete nil "27.1") (indent defun))
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nil)
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;;(define-widget-keywords :documentation-indent
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;; :complete-function :complete :button-overlay
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;; :field-overlay
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;; :documentation-shown :button-prefix
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;; :button-suffix :mouse-down-action :glyph-up :glyph-down :glyph-inactive
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;; :prompt-internal :prompt-history :prompt-match
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;; :prompt-value :deactivate :active
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;; :inactive :activate :sibling-args :delete-button-args
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;; :insert-button-args :append-button-args :button-args
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;; :tag-glyph :off-glyph :on-glyph :valid-regexp
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;; :secret :sample-face :sample-face-get :case-fold
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;; :create :convert-widget :format :value-create :offset :extra-offset
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;; :tag :doc :from :to :args :value :action
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;; :value-set :value-delete :match :parent :delete :menu-tag-get
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;; :value-get :choice :void :menu-tag :on :off :on-type :off-type
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;; :notify :entry-format :button :children :buttons :insert-before
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;; :delete-at :format-handler :widget :value-pos :value-to-internal
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;; :indent :size :value-to-external :validate :error :directory
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;; :must-match :type-error :value-inline :inline :match-inline :greedy
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;; :button-face-get :button-face :value-face :keymap :entry-from
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;; :entry-to :help-echo :documentation-property :tab-order)
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(defun define-widget (name class doc &rest args)
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"Define a new widget type named NAME from CLASS.
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NAME and CLASS should both be symbols, CLASS should be one of the
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existing widget types, or nil to create the widget from scratch.
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After the new widget has been defined, the following two calls will
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create identical widgets:
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* (widget-create NAME)
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* (apply #\\='widget-create CLASS ARGS)
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The third argument DOC is a documentation string for the widget."
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(declare (doc-string 3) (indent defun))
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;;
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(unless (or (null doc) (stringp doc))
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(error "Widget documentation must be nil or a string"))
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(put name 'widget-type (cons class args))
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(put name 'widget-documentation (purecopy doc))
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name)
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(define-obsolete-function-alias 'widget-plist-member #'plist-member "26.1")
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(provide 'widget)
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;;; widget.el ends here
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