mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-10 09:12:15 +00:00
bde4f35405
(custom-variable-reset-backup): New function. (custom-variable-menu): Add item for custom-variable-reset-backup. (custom-variable-set, custom-variable-reset-saved) (custom-variable-reset-standard): Call custom-variable-backup-value.
4022 lines
132 KiB
EmacsLisp
4022 lines
132 KiB
EmacsLisp
;;; cus-edit.el --- tools for customizing Emacs and Lisp packages
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;;
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;; Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002 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, faces
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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 2, or (at your option)
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;; 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; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;
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;; This file implements the code to create and edit customize buffers.
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;;
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;; See `custom.el'.
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;; No commands should have names starting with `custom-' because
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;; that interferes with completion. Use `customize-' for commands
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;; that the user will run with M-x, and `Custom-' for interactive commands.
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;;; Code:
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(require 'cus-face)
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(require 'wid-edit)
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(eval-when-compile
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(defvar custom-versions-load-alist)) ; from cus-load
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(condition-case nil
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(require 'cus-load)
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(error nil))
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(condition-case nil
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(require 'cus-start)
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(error nil))
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(put 'custom-define-hook 'custom-type 'hook)
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(put 'custom-define-hook 'standard-value '(nil))
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(custom-add-to-group 'customize 'custom-define-hook 'custom-variable)
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;;; Customization Groups.
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(defgroup emacs nil
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"Customization of the One True Editor."
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:link '(custom-manual "(emacs)Top"))
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;; Most of these groups are stolen from `finder.el',
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(defgroup editing nil
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"Basic text editing facilities."
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:group 'emacs)
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(defgroup abbrev nil
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"Abbreviation handling, typing shortcuts, macros."
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:tag "Abbreviations"
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:group 'editing)
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(defgroup matching nil
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"Various sorts of searching and matching."
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:group 'editing)
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(defgroup emulations nil
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"Emulations of other editors."
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:group 'editing)
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(defgroup mouse nil
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"Mouse support."
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:group 'editing)
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(defgroup outlines nil
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"Support for hierarchical outlining."
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:group 'editing)
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(defgroup external nil
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"Interfacing to external utilities."
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:group 'emacs)
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(defgroup bib nil
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"Code related to the `bib' bibliography processor."
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:tag "Bibliography"
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:group 'external)
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(defgroup processes nil
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"Process, subshell, compilation, and job control support."
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:group 'external
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:group 'development)
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(defgroup convenience nil
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"Convenience features for faster editing."
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:group 'emacs)
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(defgroup programming nil
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"Support for programming in other languages."
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:group 'emacs)
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(defgroup languages nil
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"Specialized modes for editing programming languages."
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:group 'programming)
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(defgroup lisp nil
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"Lisp support, including Emacs Lisp."
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:group 'languages
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:group 'development)
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(defgroup c nil
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"Support for the C language and related languages."
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:group 'languages)
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(defgroup tools nil
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"Programming tools."
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:group 'programming)
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(defgroup oop nil
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"Support for object-oriented programming."
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:group 'programming)
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(defgroup applications nil
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"Applications written in Emacs."
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:group 'emacs)
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(defgroup calendar nil
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"Calendar and time management support."
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:group 'applications)
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(defgroup mail nil
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"Modes for electronic-mail handling."
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:group 'applications)
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(defgroup news nil
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"Support for netnews reading and posting."
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:group 'applications)
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(defgroup games nil
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"Games, jokes and amusements."
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:group 'applications)
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(defgroup development nil
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"Support for further development of Emacs."
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:group 'emacs)
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(defgroup docs nil
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"Support for Emacs documentation."
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:group 'development)
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(defgroup extensions nil
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"Emacs Lisp language extensions."
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:group 'development)
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(defgroup internal nil
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"Code for Emacs internals, build process, defaults."
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:group 'development)
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(defgroup maint nil
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"Maintenance aids for the Emacs development group."
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:tag "Maintenance"
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:group 'development)
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(defgroup environment nil
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"Fitting Emacs with its environment."
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:group 'emacs)
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(defgroup comm nil
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"Communications, networking, remote access to files."
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:tag "Communication"
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:group 'environment)
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(defgroup hardware nil
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"Support for interfacing with exotic hardware."
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:group 'environment)
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(defgroup terminals nil
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"Support for terminal types."
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:group 'environment)
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(defgroup unix nil
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"Front-ends/assistants for, or emulators of, UNIX features."
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:group 'environment)
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(defgroup vms nil
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"Support code for vms."
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:group 'environment)
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(defgroup i18n nil
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"Internationalization and alternate character-set support."
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:group 'environment
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:group 'editing)
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(defgroup x nil
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"The X Window system."
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:group 'environment)
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(defgroup frames nil
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"Support for Emacs frames and window systems."
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:group 'environment)
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(defgroup data nil
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"Support editing files of data."
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:group 'emacs)
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(defgroup files nil
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"Support editing files."
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:group 'emacs)
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(defgroup wp nil
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"Word processing."
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:group 'emacs)
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(defgroup tex nil
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"Code related to the TeX formatter."
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:group 'wp)
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(defgroup faces nil
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"Support for multiple fonts."
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:group 'emacs)
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(defgroup hypermedia nil
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"Support for links between text or other media types."
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:group 'emacs)
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(defgroup help nil
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"Support for on-line help systems."
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:group 'emacs)
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(defgroup multimedia nil
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"Non-textual support, specifically images and sound."
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:group 'emacs)
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(defgroup local nil
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"Code local to your site."
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:group 'emacs)
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(defgroup customize '((widgets custom-group))
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"Customization of the Customization support."
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:link '(custom-manual "(elisp)Customization")
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:link '(url-link :tag "(Old?) Development Page"
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"http://www.dina.kvl.dk/~abraham/custom/")
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:prefix "custom-"
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:group 'help)
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(defgroup custom-faces nil
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"Faces used by customize."
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:group 'customize
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:group 'faces)
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(defgroup custom-browse nil
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"Control customize browser."
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:prefix "custom-"
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:group 'customize)
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(defgroup custom-buffer nil
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"Control customize buffers."
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:prefix "custom-"
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:group 'customize)
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(defgroup custom-menu nil
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"Control customize menus."
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:prefix "custom-"
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:group 'customize)
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(defgroup abbrev-mode nil
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"Word abbreviations mode."
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:group 'abbrev)
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(defgroup alloc nil
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"Storage allocation and gc for GNU Emacs Lisp interpreter."
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:tag "Storage Allocation"
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:group 'internal)
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(defgroup undo nil
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"Undoing changes in buffers."
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:group 'editing)
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(defgroup modeline nil
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"Content of the modeline."
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:group 'environment)
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(defgroup fill nil
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"Indenting and filling text."
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:group 'editing)
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(defgroup editing-basics nil
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"Most basic editing facilities."
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:group 'editing)
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(defgroup display nil
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"How characters are displayed in buffers."
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:group 'environment)
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(defgroup execute nil
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"Executing external commands."
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:group 'processes)
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(defgroup installation nil
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"The Emacs installation."
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:group 'environment)
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(defgroup dired nil
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"Directory editing."
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:group 'environment)
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(defgroup limits nil
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"Internal Emacs limits."
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:group 'internal)
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(defgroup debug nil
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"Debugging Emacs itself."
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:group 'development)
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(defgroup minibuffer nil
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"Controling the behaviour of the minibuffer."
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:group 'environment)
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(defgroup keyboard nil
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"Input from the keyboard."
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:group 'environment)
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(defgroup mouse nil
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"Input from the mouse."
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:group 'environment)
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(defgroup menu nil
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"Input from the menus."
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:group 'environment)
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(defgroup auto-save nil
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"Preventing accidential loss of data."
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:group 'files)
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(defgroup processes-basics nil
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"Basic stuff dealing with processes."
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:group 'processes)
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(defgroup mule nil
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"MULE Emacs internationalization."
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:group 'i18n)
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(defgroup windows nil
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"Windows within a frame."
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:group 'environment)
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;;; Utilities.
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(defun custom-quote (sexp)
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"Quote SEXP iff it is not self quoting."
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(if (or (memq sexp '(t nil))
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(keywordp sexp)
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(and (listp sexp)
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(memq (car sexp) '(lambda)))
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(stringp sexp)
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(numberp sexp)
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(vectorp sexp)
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;;; (and (fboundp 'characterp)
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;;; (characterp sexp))
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)
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sexp
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(list 'quote sexp)))
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(defun custom-split-regexp-maybe (regexp)
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"If REGEXP is a string, split it to a list at `\\|'.
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You can get the original back with from the result with:
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(mapconcat 'identity result \"\\|\")
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IF REGEXP is not a string, return it unchanged."
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(if (stringp regexp)
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(let ((start 0)
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all)
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(while (string-match "\\\\|" regexp start)
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(setq all (cons (substring regexp start (match-beginning 0)) all)
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start (match-end 0)))
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(nreverse (cons (substring regexp start) all)))
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regexp))
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(defun custom-variable-prompt ()
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"Prompt for a variable, defaulting to the variable at point.
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Return a list suitable for use in `interactive'."
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(let ((v (variable-at-point))
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(enable-recursive-minibuffers t)
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val)
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(setq val (completing-read
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(if (symbolp v)
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(format "Customize option: (default %s) " v)
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"Customize variable: ")
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obarray (lambda (symbol)
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(and (boundp symbol)
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(or (get symbol 'custom-type)
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(get symbol 'custom-loads)
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(get symbol 'standard-value)))) t))
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(list (if (equal val "")
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(if (symbolp v) v nil)
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(intern val)))))
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(defun custom-menu-filter (menu widget)
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"Convert MENU to the form used by `widget-choose'.
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MENU should be in the same format as `custom-variable-menu'.
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WIDGET is the widget to apply the filter entries of MENU on."
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(let ((result nil)
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current name action filter)
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(while menu
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(setq current (car menu)
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name (nth 0 current)
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action (nth 1 current)
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filter (nth 2 current)
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menu (cdr menu))
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(if (or (null filter) (funcall filter widget))
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(push (cons name action) result)
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(push name result)))
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(nreverse result)))
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;;; Unlispify.
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(defvar custom-prefix-list nil
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"List of prefixes that should be ignored by `custom-unlispify'.")
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(defcustom custom-unlispify-menu-entries t
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"Display menu entries as words instead of symbols if non nil."
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:group 'custom-menu
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:type 'boolean)
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(defcustom custom-unlispify-remove-prefixes nil
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"Non-nil means remove group prefixes from option names in buffer."
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:group 'custom-menu
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:group 'custom-buffer
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:type 'boolean)
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(defun custom-unlispify-menu-entry (symbol &optional no-suffix)
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"Convert SYMBOL into a menu entry."
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(cond ((not custom-unlispify-menu-entries)
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(symbol-name symbol))
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((get symbol 'custom-tag)
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(if no-suffix
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(get symbol 'custom-tag)
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(concat (get symbol 'custom-tag) "...")))
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(t
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(save-excursion
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(set-buffer (get-buffer-create " *Custom-Work*"))
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(erase-buffer)
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(princ symbol (current-buffer))
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(goto-char (point-min))
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;; FIXME: Boolean variables are not predicates, so they shouldn't
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;; end with `-p'. -stef
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;; (when (and (eq (get symbol 'custom-type) 'boolean)
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;; (re-search-forward "-p\\'" nil t))
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;; (replace-match "" t t)
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;; (goto-char (point-min)))
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(if custom-unlispify-remove-prefixes
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(let ((prefixes custom-prefix-list)
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prefix)
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(while prefixes
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(setq prefix (car prefixes))
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(if (search-forward prefix (+ (point) (length prefix)) t)
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(progn
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(setq prefixes nil)
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(delete-region (point-min) (point)))
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(setq prefixes (cdr prefixes))))))
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(subst-char-in-region (point-min) (point-max) ?- ?\ t)
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(capitalize-region (point-min) (point-max))
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(unless no-suffix
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(goto-char (point-max))
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(insert "..."))
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(buffer-string)))))
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(defcustom custom-unlispify-tag-names t
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"Display tag names as words instead of symbols if non nil."
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:group 'custom-buffer
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:type 'boolean)
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(defun custom-unlispify-tag-name (symbol)
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"Convert SYMBOL into a menu entry."
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(let ((custom-unlispify-menu-entries custom-unlispify-tag-names))
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(custom-unlispify-menu-entry symbol t)))
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(defun custom-prefix-add (symbol prefixes)
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"Add SYMBOL to list of ignored PREFIXES."
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(cons (or (get symbol 'custom-prefix)
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(concat (symbol-name symbol) "-"))
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prefixes))
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;;; Guess.
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(defcustom custom-guess-name-alist
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'(("-p\\'" boolean)
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("-hook\\'" hook)
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("-face\\'" face)
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("-file\\'" file)
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("-function\\'" function)
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("-functions\\'" (repeat function))
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("-list\\'" (repeat sexp))
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("-alist\\'" (repeat (cons sexp sexp))))
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"Alist of (MATCH TYPE).
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MATCH should be a regexp matching the name of a symbol, and TYPE should
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be a widget suitable for editing the value of that symbol. The TYPE
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of the first entry where MATCH matches the name of the symbol will be
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used.
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This is used for guessing the type of variables not declared with
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customize."
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:type '(repeat (group (regexp :tag "Match") (sexp :tag "Type")))
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:group 'customize)
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(defcustom custom-guess-doc-alist
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'(("\\`\\*?Non-nil " boolean))
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"Alist of (MATCH TYPE).
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MATCH should be a regexp matching a documentation string, and TYPE
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should be a widget suitable for editing the value of a variable with
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that documentation string. The TYPE of the first entry where MATCH
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matches the name of the symbol will be used.
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This is used for guessing the type of variables not declared with
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customize."
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:type '(repeat (group (regexp :tag "Match") (sexp :tag "Type")))
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:group 'customize)
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(defun custom-guess-type (symbol)
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"Guess a widget suitable for editing the value of SYMBOL.
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This is done by matching SYMBOL with `custom-guess-name-alist' and
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if that fails, the doc string with `custom-guess-doc-alist'."
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(let ((name (symbol-name symbol))
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(names custom-guess-name-alist)
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current found)
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(while names
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(setq current (car names)
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names (cdr names))
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(when (string-match (nth 0 current) name)
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(setq found (nth 1 current)
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names nil)))
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(unless found
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(let ((doc (documentation-property symbol 'variable-documentation))
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(docs custom-guess-doc-alist))
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(when doc
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(while docs
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(setq current (car docs)
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docs (cdr docs))
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(when (string-match (nth 0 current) doc)
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(setq found (nth 1 current)
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docs nil))))))
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found))
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;;; Sorting.
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(defcustom custom-browse-sort-alphabetically nil
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"If non-nil, sort members of each customization group alphabetically."
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:type 'boolean
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:group 'custom-browse)
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(defcustom custom-browse-order-groups nil
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"If non-nil, order group members within each customization group.
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If `first', order groups before non-groups.
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If `last', order groups after non-groups."
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:type '(choice (const first)
|
|
(const last)
|
|
(const :tag "none" nil))
|
|
:group 'custom-browse)
|
|
|
|
(defcustom custom-browse-only-groups nil
|
|
"If non-nil, show group members only within each customization group."
|
|
:type 'boolean
|
|
:group 'custom-browse)
|
|
|
|
(defcustom custom-buffer-sort-alphabetically nil
|
|
"If non-nil, sort members of each customization group alphabetically."
|
|
:type 'boolean
|
|
:group 'custom-buffer)
|
|
|
|
(defcustom custom-buffer-order-groups 'last
|
|
"If non-nil, order group members within each customization group.
|
|
If `first', order groups before non-groups.
|
|
If `last', order groups after non-groups."
|
|
:type '(choice (const first)
|
|
(const last)
|
|
(const :tag "none" nil))
|
|
:group 'custom-buffer)
|
|
|
|
(defcustom custom-menu-sort-alphabetically nil
|
|
"If non-nil, sort members of each customization group alphabetically."
|
|
:type 'boolean
|
|
:group 'custom-menu)
|
|
|
|
(defcustom custom-menu-order-groups 'first
|
|
"If non-nil, order group members within each customization group.
|
|
If `first', order groups before non-groups.
|
|
If `last', order groups after non-groups."
|
|
:type '(choice (const first)
|
|
(const last)
|
|
(const :tag "none" nil))
|
|
:group 'custom-menu)
|
|
|
|
;;;###autoload (add-hook 'same-window-regexps "\\`\\*Customiz.*\\*\\'")
|
|
|
|
(defun custom-sort-items (items sort-alphabetically order-groups)
|
|
"Return a sorted copy of ITEMS.
|
|
ITEMS should be a `custom-group' property.
|
|
If SORT-ALPHABETICALLY non-nil, sort alphabetically.
|
|
If ORDER-GROUPS is `first' order groups before non-groups, if `last' order
|
|
groups after non-groups, if nil do not order groups at all."
|
|
(sort (copy-sequence items)
|
|
(lambda (a b)
|
|
(let ((typea (nth 1 a)) (typeb (nth 1 b))
|
|
(namea (nth 0 a)) (nameb (nth 0 b)))
|
|
(cond ((not order-groups)
|
|
;; Since we don't care about A and B order, maybe sort.
|
|
(when sort-alphabetically
|
|
(string-lessp namea nameb)))
|
|
((eq typea 'custom-group)
|
|
;; If B is also a group, maybe sort. Otherwise, order A and B.
|
|
(if (eq typeb 'custom-group)
|
|
(when sort-alphabetically
|
|
(string-lessp namea nameb))
|
|
(eq order-groups 'first)))
|
|
((eq typeb 'custom-group)
|
|
;; Since A cannot be a group, order A and B.
|
|
(eq order-groups 'last))
|
|
(sort-alphabetically
|
|
;; Since A and B cannot be groups, sort.
|
|
(string-lessp namea nameb)))))))
|
|
|
|
;;; Custom Mode Commands.
|
|
|
|
(defvar custom-options nil
|
|
"Customization widgets in the current buffer.")
|
|
|
|
(defun Custom-set ()
|
|
"Set changes in all modified options."
|
|
(interactive)
|
|
(let ((children custom-options))
|
|
(mapc (lambda (child)
|
|
(when (eq (widget-get child :custom-state) 'modified)
|
|
(widget-apply child :custom-set)))
|
|
children)))
|
|
|
|
(defun Custom-save ()
|
|
"Set all modified group members and save them."
|
|
(interactive)
|
|
(let ((children custom-options))
|
|
(mapc (lambda (child)
|
|
(when (memq (widget-get child :custom-state)
|
|
'(modified set changed rogue))
|
|
(widget-apply child :custom-save)))
|
|
children))
|
|
(custom-save-all))
|
|
|
|
(defvar custom-reset-menu
|
|
'(("Current" . Custom-reset-current)
|
|
("Saved" . Custom-reset-saved)
|
|
("Erase Customization (use standard settings)" . Custom-reset-standard))
|
|
"Alist of actions for the `Reset' button.
|
|
The key is a string containing the name of the action, the value is a
|
|
Lisp function taking the widget as an element which will be called
|
|
when the action is chosen.")
|
|
|
|
(defun custom-reset (event)
|
|
"Select item from reset menu."
|
|
(let* ((completion-ignore-case t)
|
|
(answer (widget-choose "Reset to"
|
|
custom-reset-menu
|
|
event)))
|
|
(if answer
|
|
(funcall answer))))
|
|
|
|
(defun Custom-reset-current (&rest ignore)
|
|
"Reset all modified group members to their current value."
|
|
(interactive)
|
|
(let ((children custom-options))
|
|
(mapc (lambda (widget)
|
|
(and (default-boundp (widget-value widget))
|
|
(if (memq (widget-get widget :custom-state)
|
|
'(modified changed))
|
|
(widget-apply widget :custom-reset-current))))
|
|
children)))
|
|
|
|
(defun Custom-reset-saved (&rest ignore)
|
|
"Reset all modified or set group members to their saved value."
|
|
(interactive)
|
|
(let ((children custom-options))
|
|
(mapc (lambda (widget)
|
|
(and (get (widget-value widget) 'saved-value)
|
|
(if (memq (widget-get widget :custom-state)
|
|
'(modified set changed rogue))
|
|
(widget-apply widget :custom-reset-saved))))
|
|
children)))
|
|
|
|
(defun Custom-reset-standard (&rest ignore)
|
|
"Erase all customization (either current or saved) for the group members.
|
|
The immediate result is to restore them to their standard settings.
|
|
This operation eliminates any saved settings for the group members,
|
|
making them as if they had never been customized at all."
|
|
(interactive)
|
|
(let ((children custom-options))
|
|
(mapc (lambda (widget)
|
|
(and (widget-apply widget :custom-standard-value)
|
|
(if (memq (widget-get widget :custom-state)
|
|
'(modified set changed saved rogue))
|
|
(widget-apply widget :custom-reset-standard))))
|
|
children)))
|
|
|
|
;;; The Customize Commands
|
|
|
|
(defun custom-prompt-variable (prompt-var prompt-val &optional comment)
|
|
"Prompt for a variable and a value and return them as a list.
|
|
PROMPT-VAR is the prompt for the variable, and PROMPT-VAL is the
|
|
prompt for the value. The %s escape in PROMPT-VAL is replaced with
|
|
the name of the variable.
|
|
|
|
If the variable has a `variable-interactive' property, that is used as if
|
|
it were the arg to `interactive' (which see) to interactively read the value.
|
|
|
|
If the variable has a `custom-type' property, it must be a widget and the
|
|
`:prompt-value' property of that widget will be used for reading the value.
|
|
|
|
If optional COMMENT argument is non nil, also prompt for a comment and return
|
|
it as the third element in the list."
|
|
(let* ((var (read-variable prompt-var))
|
|
(minibuffer-help-form '(describe-variable var))
|
|
(val
|
|
(let ((prop (get var 'variable-interactive))
|
|
(type (get var 'custom-type))
|
|
(prompt (format prompt-val var)))
|
|
(unless (listp type)
|
|
(setq type (list type)))
|
|
(cond (prop
|
|
;; Use VAR's `variable-interactive' property
|
|
;; as an interactive spec for prompting.
|
|
(call-interactively (list 'lambda '(arg)
|
|
(list 'interactive prop)
|
|
'arg)))
|
|
(type
|
|
(widget-prompt-value type
|
|
prompt
|
|
(if (boundp var)
|
|
(symbol-value var))
|
|
(not (boundp var))))
|
|
(t
|
|
(eval-minibuffer prompt))))))
|
|
(if comment
|
|
(list var val
|
|
(read-string "Comment: " (get var 'variable-comment)))
|
|
(list var val))))
|
|
|
|
;;;###autoload
|
|
(defun customize-set-value (variable value &optional comment)
|
|
"Set VARIABLE to VALUE, and return VALUE. VALUE is a Lisp object.
|
|
|
|
If VARIABLE has a `variable-interactive' property, that is used as if
|
|
it were the arg to `interactive' (which see) to interactively read the value.
|
|
|
|
If VARIABLE has a `custom-type' property, it must be a widget and the
|
|
`:prompt-value' property of that widget will be used for reading the value.
|
|
|
|
If given a prefix (or a COMMENT argument), also prompt for a comment."
|
|
(interactive (custom-prompt-variable "Set variable: "
|
|
"Set %s to value: "
|
|
current-prefix-arg))
|
|
|
|
(cond ((string= comment "")
|
|
(put variable 'variable-comment nil))
|
|
(comment
|
|
(put variable 'variable-comment comment)))
|
|
(set variable value))
|
|
|
|
;;;###autoload
|
|
(defun customize-set-variable (variable value &optional comment)
|
|
"Set the default for VARIABLE to VALUE, and return VALUE.
|
|
VALUE is a Lisp object.
|
|
|
|
If VARIABLE has a `custom-set' property, that is used for setting
|
|
VARIABLE, otherwise `set-default' is used.
|
|
|
|
The `customized-value' property of the VARIABLE will be set to a list
|
|
with a quoted VALUE as its sole list member.
|
|
|
|
If VARIABLE has a `variable-interactive' property, that is used as if
|
|
it were the arg to `interactive' (which see) to interactively read the value.
|
|
|
|
If VARIABLE has a `custom-type' property, it must be a widget and the
|
|
`:prompt-value' property of that widget will be used for reading the value.
|
|
|
|
If given a prefix (or a COMMENT argument), also prompt for a comment."
|
|
(interactive (custom-prompt-variable "Set variable: "
|
|
"Set customized value for %s to: "
|
|
current-prefix-arg))
|
|
(custom-load-symbol variable)
|
|
(funcall (or (get variable 'custom-set) 'set-default) variable value)
|
|
(put variable 'customized-value (list (custom-quote value)))
|
|
(cond ((string= comment "")
|
|
(put variable 'variable-comment nil)
|
|
(put variable 'customized-variable-comment nil))
|
|
(comment
|
|
(put variable 'variable-comment comment)
|
|
(put variable 'customized-variable-comment comment)))
|
|
value)
|
|
|
|
;;;###autoload
|
|
(defun customize-save-variable (variable value &optional comment)
|
|
"Set the default for VARIABLE to VALUE, and save it for future sessions.
|
|
Return VALUE.
|
|
|
|
If VARIABLE has a `custom-set' property, that is used for setting
|
|
VARIABLE, otherwise `set-default' is used.
|
|
|
|
The `customized-value' property of the VARIABLE will be set to a list
|
|
with a quoted VALUE as its sole list member.
|
|
|
|
If VARIABLE has a `variable-interactive' property, that is used as if
|
|
it were the arg to `interactive' (which see) to interactively read the value.
|
|
|
|
If VARIABLE has a `custom-type' property, it must be a widget and the
|
|
`:prompt-value' property of that widget will be used for reading the value.
|
|
|
|
If given a prefix (or a COMMENT argument), also prompt for a comment."
|
|
(interactive (custom-prompt-variable "Set and save variable: "
|
|
"Set and save value for %s as: "
|
|
current-prefix-arg))
|
|
(funcall (or (get variable 'custom-set) 'set-default) variable value)
|
|
(put variable 'saved-value (list (custom-quote value)))
|
|
(cond ((string= comment "")
|
|
(put variable 'variable-comment nil)
|
|
(put variable 'saved-variable-comment nil))
|
|
(comment
|
|
(put variable 'variable-comment comment)
|
|
(put variable 'saved-variable-comment comment)))
|
|
(custom-save-all)
|
|
value)
|
|
|
|
;;;###autoload
|
|
(defun customize ()
|
|
"Select a customization buffer which you can use to set user options.
|
|
User options are structured into \"groups\".
|
|
Initially the top-level group `Emacs' and its immediate subgroups
|
|
are shown; the contents of those subgroups are initially hidden."
|
|
(interactive)
|
|
(customize-group 'emacs))
|
|
|
|
;;;###autoload
|
|
(defun customize-group (group)
|
|
"Customize GROUP, which must be a customization group."
|
|
(interactive (list (let ((completion-ignore-case t))
|
|
(completing-read "Customize group: (default emacs) "
|
|
obarray
|
|
(lambda (symbol)
|
|
(or (get symbol 'custom-loads)
|
|
(get symbol 'custom-group)))
|
|
t))))
|
|
(when (stringp group)
|
|
(if (string-equal "" group)
|
|
(setq group 'emacs)
|
|
(setq group (intern group))))
|
|
(or (get group 'custom-group)
|
|
(custom-load-symbol group))
|
|
(let ((name (format "*Customize Group: %s*"
|
|
(custom-unlispify-tag-name group))))
|
|
(if (get-buffer name)
|
|
(pop-to-buffer name)
|
|
(custom-buffer-create (list (list group 'custom-group))
|
|
name
|
|
(concat " for group "
|
|
(custom-unlispify-tag-name group))))))
|
|
|
|
;;;###autoload
|
|
(defun customize-group-other-window (group)
|
|
"Customize GROUP, which must be a customization group."
|
|
(interactive (list (let ((completion-ignore-case t))
|
|
(completing-read "Customize group: (default emacs) "
|
|
obarray
|
|
(lambda (symbol)
|
|
(or (get symbol 'custom-loads)
|
|
(get symbol 'custom-group)))
|
|
t))))
|
|
(when (stringp group)
|
|
(if (string-equal "" group)
|
|
(setq group 'emacs)
|
|
(setq group (intern group))))
|
|
(or (get group 'custom-group)
|
|
(custom-load-symbol group))
|
|
(let ((name (format "*Customize Group: %s*"
|
|
(custom-unlispify-tag-name group))))
|
|
(if (get-buffer name)
|
|
(let ((window (selected-window)))
|
|
(pop-to-buffer name)
|
|
(select-window window))
|
|
(custom-buffer-create-other-window
|
|
(list (list group 'custom-group))
|
|
name
|
|
(concat " for group "
|
|
(custom-unlispify-tag-name group))))))
|
|
|
|
;;;###autoload
|
|
(defalias 'customize-variable 'customize-option)
|
|
|
|
;;;###autoload
|
|
(defun customize-option (symbol)
|
|
"Customize SYMBOL, which must be a user option variable."
|
|
(interactive (custom-variable-prompt))
|
|
;; If we don't have SYMBOL's real definition loaded,
|
|
;; try to load it.
|
|
(unless (get symbol 'custom-type)
|
|
(let ((loaddefs-file (locate-library "loaddefs.el" t))
|
|
file)
|
|
;; See if it is autoloaded from some library.
|
|
(when loaddefs-file
|
|
(with-temp-buffer
|
|
(insert-file-contents loaddefs-file)
|
|
(when (re-search-forward (concat "^(defvar " (symbol-name symbol))
|
|
nil t)
|
|
(search-backward "\n;;; Generated autoloads from ")
|
|
(goto-char (match-end 0))
|
|
(setq file (buffer-substring (point)
|
|
(progn (end-of-line) (point)))))))
|
|
;; If it is, load that library.
|
|
(when file
|
|
(when (string-match "\\.el\\'" file)
|
|
(setq file (substring file 0 (match-beginning 0))))
|
|
(load file))))
|
|
(unless (get symbol 'custom-type)
|
|
(error "Variable %s cannot be customized" symbol))
|
|
(custom-buffer-create (list (list symbol 'custom-variable))
|
|
(format "*Customize Option: %s*"
|
|
(custom-unlispify-tag-name symbol))))
|
|
|
|
(defvar customize-changed-options-previous-release "20.2"
|
|
"Version for `customize-changed-options' to refer back to by default.")
|
|
|
|
;;;###autoload
|
|
(defun customize-changed-options (since-version)
|
|
"Customize all user option variables changed in Emacs itself.
|
|
This includes new user option variables and faces, and new
|
|
customization groups, as well as older options and faces whose default
|
|
values have changed since the previous major Emacs release.
|
|
|
|
With argument SINCE-VERSION (a string), customize all user option
|
|
variables that were added (or their meanings were changed) since that
|
|
version."
|
|
|
|
(interactive "sCustomize options changed, since version (default all versions): ")
|
|
(if (equal since-version "")
|
|
(setq since-version nil)
|
|
(unless (condition-case nil
|
|
(numberp (read since-version))
|
|
(error nil))
|
|
(signal 'wrong-type-argument (list 'numberp since-version))))
|
|
(unless since-version
|
|
(setq since-version customize-changed-options-previous-release))
|
|
(let ((found nil)
|
|
(versions nil))
|
|
(mapatoms (lambda (symbol)
|
|
(and (or (boundp symbol)
|
|
;; For variables not yet loaded.
|
|
(get symbol 'standard-value)
|
|
;; For groups the previous test fails, this one
|
|
;; could be used to determine if symbol is a
|
|
;; group. Is there a better way for this?
|
|
(get symbol 'group-documentation))
|
|
(let ((version (get symbol 'custom-version)))
|
|
(and version
|
|
(or (null since-version)
|
|
(customize-version-lessp since-version version))
|
|
(if (member version versions)
|
|
t
|
|
;;; Collect all versions that we use.
|
|
(push version versions))))
|
|
(setq found
|
|
;; We have to set the right thing here,
|
|
;; depending if we have a group or a
|
|
;; variable.
|
|
(if (get symbol 'group-documentation)
|
|
(cons (list symbol 'custom-group) found)
|
|
(cons (list symbol 'custom-variable) found))))))
|
|
(if (not found)
|
|
(error "No user option defaults have been changed since Emacs %s"
|
|
since-version)
|
|
(let ((flist nil))
|
|
(while versions
|
|
(push (copy-sequence
|
|
(cdr (assoc (car versions) custom-versions-load-alist)))
|
|
flist)
|
|
(setq versions (cdr versions)))
|
|
(put 'custom-versions-load-alist 'custom-loads
|
|
;; Get all the files that correspond to element from the
|
|
;; VERSIONS list. This could use some simplification.
|
|
(apply 'nconc flist)))
|
|
;; Because we set all the files needed to be loaded as a
|
|
;; `custom-loads' property to `custom-versions-load-alist' this
|
|
;; call will actually load them.
|
|
(custom-load-symbol 'custom-versions-load-alist)
|
|
;; Clean up
|
|
(put 'custom-versions-load-alist 'custom-loads nil)
|
|
(custom-buffer-create (custom-sort-items found t 'first)
|
|
"*Customize Changed Options*"))))
|
|
|
|
(defun customize-version-lessp (version1 version2)
|
|
;; Why are the versions strings, and given that they are, why aren't
|
|
;; they converted to numbers and compared as such here? -- fx
|
|
|
|
;; In case someone made a mistake and left out the quotes
|
|
;; in the :version value.
|
|
(if (numberp version2)
|
|
(setq version2 (prin1-to-string version2)))
|
|
(let (major1 major2 minor1 minor2)
|
|
(string-match "\\([0-9]+\\)\\(\\.\\([0-9]+\\)\\)?" version1)
|
|
(setq major1 (read (or (match-string 1 version1)
|
|
"0")))
|
|
(setq minor1 (read (or (match-string 3 version1)
|
|
"0")))
|
|
(string-match "\\([0-9]+\\)\\(\\.\\([0-9]+\\)\\)?" version2)
|
|
(setq major2 (read (or (match-string 1 version2)
|
|
"0")))
|
|
(setq minor2 (read (or (match-string 3 version2)
|
|
"0")))
|
|
(or (< major1 major2)
|
|
(and (= major1 major2)
|
|
(< minor1 minor2)))))
|
|
|
|
;;;###autoload
|
|
(defalias 'customize-variable-other-window 'customize-option-other-window)
|
|
|
|
;;;###autoload
|
|
(defun customize-option-other-window (symbol)
|
|
"Customize SYMBOL, which must be a user option variable.
|
|
Show the buffer in another window, but don't select it."
|
|
(interactive (custom-variable-prompt))
|
|
(custom-buffer-create-other-window
|
|
(list (list symbol 'custom-variable))
|
|
(format "*Customize Option: %s*" (custom-unlispify-tag-name symbol))))
|
|
|
|
;;;###autoload
|
|
(defun customize-face (&optional face)
|
|
"Customize SYMBOL, which should be a face name or nil.
|
|
If SYMBOL is nil, customize all faces.
|
|
|
|
Interactively, when point is on text which has a face specified,
|
|
suggest to customized that face, if it's customizable."
|
|
(interactive
|
|
(list (read-face-name "Customize face" "all faces" t)))
|
|
(if (member face '(nil ""))
|
|
(setq face (face-list)))
|
|
(if (and (listp face) (null (cdr face)))
|
|
(setq face (car face)))
|
|
(if (listp face)
|
|
(custom-buffer-create (custom-sort-items
|
|
(mapcar (lambda (s)
|
|
(list s 'custom-face))
|
|
face)
|
|
t nil)
|
|
"*Customize Faces*")
|
|
(unless (facep face)
|
|
(error "Invalid face %S"))
|
|
(custom-buffer-create (list (list face 'custom-face))
|
|
(format "*Customize Face: %s*"
|
|
(custom-unlispify-tag-name face)))))
|
|
|
|
;;;###autoload
|
|
(defun customize-face-other-window (&optional face)
|
|
"Show customization buffer for face SYMBOL in other window.
|
|
|
|
Interactively, when point is on text which has a face specified,
|
|
suggest to customized that face, if it's customizable."
|
|
(interactive
|
|
(list (read-face-name "Customize face" "all faces" t)))
|
|
(if (member face '(nil ""))
|
|
(setq face (face-list)))
|
|
(if (and (listp face) (null (cdr face)))
|
|
(setq face (car face)))
|
|
(if (listp face)
|
|
(custom-buffer-create-other-window
|
|
(custom-sort-items
|
|
(mapcar (lambda (s)
|
|
(list s 'custom-face))
|
|
face)
|
|
t nil)
|
|
"*Customize Faces*")
|
|
(unless (facep face)
|
|
(error "Invalid face %S"))
|
|
(custom-buffer-create-other-window
|
|
(list (list face 'custom-face))
|
|
(format "*Customize Face: %s*"
|
|
(custom-unlispify-tag-name face)))))
|
|
|
|
;;;###autoload
|
|
(defun customize-customized ()
|
|
"Customize all user options set since the last save in this session."
|
|
(interactive)
|
|
(let ((found nil))
|
|
(mapatoms (lambda (symbol)
|
|
(and (or (get symbol 'customized-face)
|
|
(get symbol 'customized-face-comment))
|
|
(custom-facep symbol)
|
|
(push (list symbol 'custom-face) found))
|
|
(and (or (get symbol 'customized-value)
|
|
(get symbol 'customized-variable-comment))
|
|
(boundp symbol)
|
|
(push (list symbol 'custom-variable) found))))
|
|
(if (not found)
|
|
(error "No customized user options")
|
|
(custom-buffer-create (custom-sort-items found t nil)
|
|
"*Customize Customized*"))))
|
|
|
|
;;;###autoload
|
|
(defun customize-saved ()
|
|
"Customize all already saved user options."
|
|
(interactive)
|
|
(let ((found nil))
|
|
(mapatoms (lambda (symbol)
|
|
(and (or (get symbol 'saved-face)
|
|
(get symbol 'saved-face-comment))
|
|
(custom-facep symbol)
|
|
(push (list symbol 'custom-face) found))
|
|
(and (or (get symbol 'saved-value)
|
|
(get symbol 'saved-variable-comment))
|
|
(boundp symbol)
|
|
(push (list symbol 'custom-variable) found))))
|
|
(if (not found )
|
|
(error "No saved user options")
|
|
(custom-buffer-create (custom-sort-items found t nil)
|
|
"*Customize Saved*"))))
|
|
|
|
;;;###autoload
|
|
(defun customize-apropos (regexp &optional all)
|
|
"Customize all user options matching REGEXP.
|
|
If ALL is `options', include only options.
|
|
If ALL is `faces', include only faces.
|
|
If ALL is `groups', include only groups.
|
|
If ALL is t (interactively, with prefix arg), include options which are not
|
|
user-settable, as well as faces and groups."
|
|
(interactive "sCustomize regexp: \nP")
|
|
(let ((found nil))
|
|
(mapatoms (lambda (symbol)
|
|
(when (string-match regexp (symbol-name symbol))
|
|
(when (and (not (memq all '(faces options)))
|
|
(get symbol 'custom-group))
|
|
(push (list symbol 'custom-group) found))
|
|
(when (and (not (memq all '(options groups)))
|
|
(custom-facep symbol))
|
|
(push (list symbol 'custom-face) found))
|
|
(when (and (not (memq all '(groups faces)))
|
|
(boundp symbol)
|
|
(or (get symbol 'saved-value)
|
|
(get symbol 'standard-value)
|
|
(if (memq all '(nil options))
|
|
(user-variable-p symbol)
|
|
(get symbol 'variable-documentation))))
|
|
(push (list symbol 'custom-variable) found)))))
|
|
(if (not found)
|
|
(error "No matches")
|
|
(custom-buffer-create (custom-sort-items found t
|
|
custom-buffer-order-groups)
|
|
"*Customize Apropos*"))))
|
|
|
|
;;;###autoload
|
|
(defun customize-apropos-options (regexp &optional arg)
|
|
"Customize all user options matching REGEXP.
|
|
With prefix arg, include options which are not user-settable."
|
|
(interactive "sCustomize regexp: \nP")
|
|
(customize-apropos regexp (or arg 'options)))
|
|
|
|
;;;###autoload
|
|
(defun customize-apropos-faces (regexp)
|
|
"Customize all user faces matching REGEXP."
|
|
(interactive "sCustomize regexp: \n")
|
|
(customize-apropos regexp 'faces))
|
|
|
|
;;;###autoload
|
|
(defun customize-apropos-groups (regexp)
|
|
"Customize all user groups matching REGEXP."
|
|
(interactive "sCustomize regexp: \n")
|
|
(customize-apropos regexp 'groups))
|
|
|
|
;;; Buffer.
|
|
|
|
(defcustom custom-buffer-style 'links
|
|
"Control the presentation style for customization buffers.
|
|
The value should be a symbol, one of:
|
|
|
|
brackets: groups nest within each other with big horizontal brackets.
|
|
links: groups have links to subgroups."
|
|
:type '(radio (const brackets)
|
|
(const links))
|
|
:group 'custom-buffer)
|
|
|
|
;; If we pass BUFFER to `bury-buffer', the buffer isn't removed from
|
|
;; the window.
|
|
(defun custom-bury-buffer (buffer)
|
|
(bury-buffer))
|
|
|
|
(defcustom custom-buffer-done-function 'custom-bury-buffer
|
|
"*Function called to remove a Custom buffer when the user is done with it.
|
|
Called with one argument, the buffer to remove."
|
|
:type '(choice (function-item :tag "Bury buffer" custom-bury-buffer)
|
|
(function-item :tag "Kill buffer" kill-buffer)
|
|
(function :tag "Other"))
|
|
:version "21.1"
|
|
:group 'custom-buffer)
|
|
|
|
(defcustom custom-buffer-indent 3
|
|
"Number of spaces to indent nested groups."
|
|
:type 'integer
|
|
:group 'custom-buffer)
|
|
|
|
;;;###autoload
|
|
(defun custom-buffer-create (options &optional name description)
|
|
"Create a buffer containing OPTIONS.
|
|
Optional NAME is the name of the buffer.
|
|
OPTIONS should be an alist of the form ((SYMBOL WIDGET)...), where
|
|
SYMBOL is a customization option, and WIDGET is a widget for editing
|
|
that option."
|
|
(unless name (setq name "*Customization*"))
|
|
(kill-buffer (get-buffer-create name))
|
|
(pop-to-buffer (get-buffer-create name))
|
|
(custom-buffer-create-internal options description))
|
|
|
|
;;;###autoload
|
|
(defun custom-buffer-create-other-window (options &optional name description)
|
|
"Create a buffer containing OPTIONS.
|
|
Optional NAME is the name of the buffer.
|
|
OPTIONS should be an alist of the form ((SYMBOL WIDGET)...), where
|
|
SYMBOL is a customization option, and WIDGET is a widget for editing
|
|
that option."
|
|
(unless name (setq name "*Customization*"))
|
|
(kill-buffer (get-buffer-create name))
|
|
(let ((window (selected-window))
|
|
(pop-up-windows t)
|
|
(special-display-buffer-names nil)
|
|
(special-display-regexps nil)
|
|
(same-window-buffer-names nil)
|
|
(same-window-regexps nil))
|
|
(pop-to-buffer (get-buffer-create name))
|
|
(custom-buffer-create-internal options description)
|
|
(select-window window)))
|
|
|
|
(defcustom custom-reset-button-menu nil
|
|
"If non-nil, only show a single reset button in customize buffers.
|
|
This button will have a menu with all three reset operations."
|
|
:type 'boolean
|
|
:group 'custom-buffer)
|
|
|
|
(defcustom custom-buffer-verbose-help t
|
|
"If non-nil, include explanatory text in the customization buffer."
|
|
:type 'boolean
|
|
:group 'custom-buffer)
|
|
|
|
(defun Custom-buffer-done (&rest ignore)
|
|
"Remove current buffer by calling `custom-buffer-done-function'."
|
|
(interactive)
|
|
(funcall custom-buffer-done-function (current-buffer)))
|
|
|
|
(defcustom custom-raised-buttons (not (equal (face-valid-attribute-values :box)
|
|
'(("unspecified" . unspecified))))
|
|
"If non-nil, indicate active buttons in a `raised-button' style.
|
|
Otherwise use brackets."
|
|
:type 'boolean
|
|
:version "21.1"
|
|
:group 'custom-buffer)
|
|
|
|
(defun custom-buffer-create-internal (options &optional description)
|
|
(message "Creating customization buffer...")
|
|
(custom-mode)
|
|
(if custom-buffer-verbose-help
|
|
(progn
|
|
(widget-insert "This is a customization buffer")
|
|
(if description
|
|
(widget-insert description))
|
|
(widget-insert (format ".
|
|
%s show active fields; type RET or click mouse-1
|
|
on an active field to invoke its action. Editing an option value
|
|
changes the text in the buffer; invoke the State button and
|
|
choose the Set operation to set the option value.
|
|
Invoke " (if custom-raised-buttons
|
|
"`Raised' buttons"
|
|
"Square brackets")))
|
|
(widget-create 'info-link
|
|
:tag "Help"
|
|
:help-echo "Read the online help."
|
|
"(emacs)Easy Customization")
|
|
(widget-insert " for more information.\n\n")
|
|
(message "Creating customization buttons...")
|
|
(widget-insert "Operate on everything in this buffer:\n "))
|
|
(widget-insert " "))
|
|
(widget-create 'push-button
|
|
:tag "Set for Current Session"
|
|
:help-echo "\
|
|
Make your editing in this buffer take effect for this session."
|
|
:action (lambda (widget &optional event)
|
|
(Custom-set)))
|
|
(widget-insert " ")
|
|
(widget-create 'push-button
|
|
:tag "Save for Future Sessions"
|
|
:help-echo "\
|
|
Make your editing in this buffer take effect for future Emacs sessions."
|
|
:action (lambda (widget &optional event)
|
|
(Custom-save)))
|
|
(if custom-reset-button-menu
|
|
(progn
|
|
(widget-insert " ")
|
|
(widget-create 'push-button
|
|
:tag "Reset"
|
|
:help-echo "Show a menu with reset operations."
|
|
:mouse-down-action (lambda (&rest junk) t)
|
|
:action (lambda (widget &optional event)
|
|
(custom-reset event))))
|
|
(widget-insert "\n ")
|
|
(widget-create 'push-button
|
|
:tag "Reset"
|
|
:help-echo "\
|
|
Reset all edited text in this buffer to reflect current values."
|
|
:action 'Custom-reset-current)
|
|
(widget-insert " ")
|
|
(widget-create 'push-button
|
|
:tag "Reset to Saved"
|
|
:help-echo "\
|
|
Reset all values in this buffer to their saved settings."
|
|
:action 'Custom-reset-saved)
|
|
(widget-insert " ")
|
|
(widget-create 'push-button
|
|
:tag "Erase Customization"
|
|
:help-echo "\
|
|
Un-customize all values in this buffer. They get their standard settings."
|
|
:action 'Custom-reset-standard))
|
|
(if (not custom-buffer-verbose-help)
|
|
(progn
|
|
(widget-insert " ")
|
|
(widget-create 'info-link
|
|
:tag "Help"
|
|
:help-echo "Read the online help."
|
|
"(emacs)Easy Customization")))
|
|
(widget-insert " ")
|
|
(widget-create 'push-button
|
|
:tag "Finish"
|
|
:help-echo
|
|
(lambda (&rest ignore)
|
|
(cond
|
|
((eq custom-buffer-done-function
|
|
'custom-bury-buffer)
|
|
"Bury this buffer")
|
|
((eq custom-buffer-done-function 'kill-buffer)
|
|
"Kill this buffer")
|
|
(t "Finish with this buffer")))
|
|
:action #'Custom-buffer-done)
|
|
(widget-insert "\n\n")
|
|
(message "Creating customization items...")
|
|
(buffer-disable-undo)
|
|
(setq custom-options
|
|
(if (= (length options) 1)
|
|
(mapcar (lambda (entry)
|
|
(widget-create (nth 1 entry)
|
|
:documentation-shown t
|
|
:custom-state 'unknown
|
|
:tag (custom-unlispify-tag-name
|
|
(nth 0 entry))
|
|
:value (nth 0 entry)))
|
|
options)
|
|
(let ((count 0)
|
|
(length (length options)))
|
|
(mapcar (lambda (entry)
|
|
(prog2
|
|
(message "Creating customization items ...%2d%%"
|
|
(/ (* 100.0 count) length))
|
|
(widget-create (nth 1 entry)
|
|
:tag (custom-unlispify-tag-name
|
|
(nth 0 entry))
|
|
:value (nth 0 entry))
|
|
(setq count (1+ count))
|
|
(unless (eq (preceding-char) ?\n)
|
|
(widget-insert "\n"))
|
|
(widget-insert "\n")))
|
|
options))))
|
|
(unless (eq (preceding-char) ?\n)
|
|
(widget-insert "\n"))
|
|
(message "Creating customization items ...done")
|
|
(unless (eq custom-buffer-style 'tree)
|
|
(mapc 'custom-magic-reset custom-options))
|
|
(message "Creating customization setup...")
|
|
(widget-setup)
|
|
(buffer-enable-undo)
|
|
(goto-char (point-min))
|
|
(message "Creating customization buffer...done"))
|
|
|
|
;;; The Tree Browser.
|
|
|
|
;;;###autoload
|
|
(defun customize-browse (&optional group)
|
|
"Create a tree browser for the customize hierarchy."
|
|
(interactive)
|
|
(unless group
|
|
(setq group 'emacs))
|
|
(let ((name "*Customize Browser*"))
|
|
(kill-buffer (get-buffer-create name))
|
|
(pop-to-buffer (get-buffer-create name)))
|
|
(custom-mode)
|
|
(widget-insert "\
|
|
Square brackets show active fields; type RET or click mouse-1
|
|
on an active field to invoke its action.
|
|
Invoke [+] below to expand a group, and [-] to collapse an expanded group.\n")
|
|
(if custom-browse-only-groups
|
|
(widget-insert "\
|
|
Invoke the [Group] button below to edit that item in another window.\n\n")
|
|
(widget-insert "Invoke the ")
|
|
(widget-create 'item
|
|
:format "%t"
|
|
:tag "[Group]"
|
|
:tag-glyph "folder")
|
|
(widget-insert ", ")
|
|
(widget-create 'item
|
|
:format "%t"
|
|
:tag "[Face]"
|
|
:tag-glyph "face")
|
|
(widget-insert ", and ")
|
|
(widget-create 'item
|
|
:format "%t"
|
|
:tag "[Option]"
|
|
:tag-glyph "option")
|
|
(widget-insert " buttons below to edit that
|
|
item in another window.\n\n"))
|
|
(let ((custom-buffer-style 'tree))
|
|
(widget-create 'custom-group
|
|
:custom-last t
|
|
:custom-state 'unknown
|
|
:tag (custom-unlispify-tag-name group)
|
|
:value group))
|
|
(goto-char (point-min)))
|
|
|
|
(define-widget 'custom-browse-visibility 'item
|
|
"Control visibility of items in the customize tree browser."
|
|
:format "%[[%t]%]"
|
|
:action 'custom-browse-visibility-action)
|
|
|
|
(defun custom-browse-visibility-action (widget &rest ignore)
|
|
(let ((custom-buffer-style 'tree))
|
|
(custom-toggle-parent widget)))
|
|
|
|
(define-widget 'custom-browse-group-tag 'push-button
|
|
"Show parent in other window when activated."
|
|
:tag "Group"
|
|
:tag-glyph "folder"
|
|
:action 'custom-browse-group-tag-action)
|
|
|
|
(defun custom-browse-group-tag-action (widget &rest ignore)
|
|
(let ((parent (widget-get widget :parent)))
|
|
(customize-group-other-window (widget-value parent))))
|
|
|
|
(define-widget 'custom-browse-variable-tag 'push-button
|
|
"Show parent in other window when activated."
|
|
:tag "Option"
|
|
:tag-glyph "option"
|
|
:action 'custom-browse-variable-tag-action)
|
|
|
|
(defun custom-browse-variable-tag-action (widget &rest ignore)
|
|
(let ((parent (widget-get widget :parent)))
|
|
(customize-variable-other-window (widget-value parent))))
|
|
|
|
(define-widget 'custom-browse-face-tag 'push-button
|
|
"Show parent in other window when activated."
|
|
:tag "Face"
|
|
:tag-glyph "face"
|
|
:action 'custom-browse-face-tag-action)
|
|
|
|
(defun custom-browse-face-tag-action (widget &rest ignore)
|
|
(let ((parent (widget-get widget :parent)))
|
|
(customize-face-other-window (widget-value parent))))
|
|
|
|
(defconst custom-browse-alist '((" " "space")
|
|
(" | " "vertical")
|
|
("-\\ " "top")
|
|
(" |-" "middle")
|
|
(" `-" "bottom")))
|
|
|
|
(defun custom-browse-insert-prefix (prefix)
|
|
"Insert PREFIX. On XEmacs convert it to line graphics."
|
|
;; Fixme: do graphics.
|
|
(if nil ; (string-match "XEmacs" emacs-version)
|
|
(progn
|
|
(insert "*")
|
|
(while (not (string-equal prefix ""))
|
|
(let ((entry (substring prefix 0 3)))
|
|
(setq prefix (substring prefix 3))
|
|
(let ((overlay (make-overlay (1- (point)) (point) nil t nil))
|
|
(name (nth 1 (assoc entry custom-browse-alist))))
|
|
(overlay-put overlay 'end-glyph (widget-glyph-find name entry))
|
|
(overlay-put overlay 'start-open t)
|
|
(overlay-put overlay 'end-open t)))))
|
|
(insert prefix)))
|
|
|
|
;;; Modification of Basic Widgets.
|
|
;;
|
|
;; We add extra properties to the basic widgets needed here. This is
|
|
;; fine, as long as we are careful to stay within out own namespace.
|
|
;;
|
|
;; We want simple widgets to be displayed by default, but complex
|
|
;; widgets to be hidden.
|
|
|
|
(widget-put (get 'item 'widget-type) :custom-show t)
|
|
(widget-put (get 'editable-field 'widget-type)
|
|
:custom-show (lambda (widget value)
|
|
(let ((pp (pp-to-string value)))
|
|
(cond ((string-match "\n" pp)
|
|
nil)
|
|
((> (length pp) 40)
|
|
nil)
|
|
(t t)))))
|
|
(widget-put (get 'menu-choice 'widget-type) :custom-show t)
|
|
|
|
;;; The `custom-manual' Widget.
|
|
|
|
(define-widget 'custom-manual 'info-link
|
|
"Link to the manual entry for this customization option."
|
|
:help-echo "Read the manual entry for this option."
|
|
:tag "Manual")
|
|
|
|
;;; The `custom-magic' Widget.
|
|
|
|
(defgroup custom-magic-faces nil
|
|
"Faces used by the magic button."
|
|
:group 'custom-faces
|
|
:group 'custom-buffer)
|
|
|
|
(defface custom-invalid-face '((((class color))
|
|
(:foreground "yellow" :background "red"))
|
|
(t
|
|
(:weight bold :slant italic :underline t)))
|
|
"Face used when the customize item is invalid."
|
|
:group 'custom-magic-faces)
|
|
|
|
(defface custom-rogue-face '((((class color))
|
|
(:foreground "pink" :background "black"))
|
|
(t
|
|
(:underline t)))
|
|
"Face used when the customize item is not defined for customization."
|
|
:group 'custom-magic-faces)
|
|
|
|
(defface custom-modified-face '((((class color))
|
|
(:foreground "white" :background "blue"))
|
|
(t
|
|
(:slant italic :bold)))
|
|
"Face used when the customize item has been modified."
|
|
:group 'custom-magic-faces)
|
|
|
|
(defface custom-set-face '((((class color))
|
|
(:foreground "blue" :background "white"))
|
|
(t
|
|
(:slant italic)))
|
|
"Face used when the customize item has been set."
|
|
:group 'custom-magic-faces)
|
|
|
|
(defface custom-changed-face '((((class color))
|
|
(:foreground "white" :background "blue"))
|
|
(t
|
|
(:slant italic)))
|
|
"Face used when the customize item has been changed."
|
|
:group 'custom-magic-faces)
|
|
|
|
(defface custom-saved-face '((t (:underline t)))
|
|
"Face used when the customize item has been saved."
|
|
:group 'custom-magic-faces)
|
|
|
|
(defconst custom-magic-alist '((nil "#" underline "\
|
|
uninitialized, you should not see this.")
|
|
(unknown "?" italic "\
|
|
unknown, you should not see this.")
|
|
(hidden "-" default "\
|
|
hidden, invoke \"Show\" in the previous line to show." "\
|
|
group now hidden, invoke \"Show\", above, to show contents.")
|
|
(invalid "x" custom-invalid-face "\
|
|
the value displayed for this %c is invalid and cannot be set.")
|
|
(modified "*" custom-modified-face "\
|
|
you have edited the value as text, but you have not set the %c." "\
|
|
you have edited something in this group, but not set it.")
|
|
(set "+" custom-set-face "\
|
|
you have set this %c, but not saved it for future sessions." "\
|
|
something in this group has been set, but not saved.")
|
|
(changed ":" custom-changed-face "\
|
|
this %c has been changed outside the customize buffer." "\
|
|
something in this group has been changed outside customize.")
|
|
(saved "!" custom-saved-face "\
|
|
this %c has been set and saved." "\
|
|
something in this group has been set and saved.")
|
|
(rogue "@" custom-rogue-face "\
|
|
this %c has not been changed with customize." "\
|
|
something in this group is not prepared for customization.")
|
|
(standard " " nil "\
|
|
this %c is unchanged from its standard setting." "\
|
|
visible group members are all at standard settings."))
|
|
"Alist of customize option states.
|
|
Each entry is of the form (STATE MAGIC FACE ITEM-DESC [ GROUP-DESC ]), where
|
|
|
|
STATE is one of the following symbols:
|
|
|
|
`nil'
|
|
For internal use, should never occur.
|
|
`unknown'
|
|
For internal use, should never occur.
|
|
`hidden'
|
|
This item is not being displayed.
|
|
`invalid'
|
|
This item is modified, but has an invalid form.
|
|
`modified'
|
|
This item is modified, and has a valid form.
|
|
`set'
|
|
This item has been set but not saved.
|
|
`changed'
|
|
The current value of this item has been changed temporarily.
|
|
`saved'
|
|
This item is marked for saving.
|
|
`rogue'
|
|
This item has no customization information.
|
|
`standard'
|
|
This item is unchanged from the standard setting.
|
|
|
|
MAGIC is a string used to present that state.
|
|
|
|
FACE is a face used to present the state.
|
|
|
|
ITEM-DESC is a string describing the state for options.
|
|
|
|
GROUP-DESC is a string describing the state for groups. If this is
|
|
left out, ITEM-DESC will be used.
|
|
|
|
The string %c in either description will be replaced with the
|
|
category of the item. These are `group'. `option', and `face'.
|
|
|
|
The list should be sorted most significant first.")
|
|
|
|
(defcustom custom-magic-show 'long
|
|
"If non-nil, show textual description of the state.
|
|
If `long', show a full-line description, not just one word."
|
|
:type '(choice (const :tag "no" nil)
|
|
(const long)
|
|
(other :tag "short" short))
|
|
:group 'custom-buffer)
|
|
|
|
(defcustom custom-magic-show-hidden '(option face)
|
|
"Control whether the State button is shown for hidden items.
|
|
The value should be a list with the custom categories where the State
|
|
button should be visible. Possible categories are `group', `option',
|
|
and `face'."
|
|
:type '(set (const group) (const option) (const face))
|
|
:group 'custom-buffer)
|
|
|
|
(defcustom custom-magic-show-button nil
|
|
"Show a \"magic\" button indicating the state of each customization option."
|
|
:type 'boolean
|
|
:group 'custom-buffer)
|
|
|
|
(define-widget 'custom-magic 'default
|
|
"Show and manipulate state for a customization option."
|
|
:format "%v"
|
|
:action 'widget-parent-action
|
|
:notify 'ignore
|
|
:value-get 'ignore
|
|
:value-create 'custom-magic-value-create
|
|
:value-delete 'widget-children-value-delete)
|
|
|
|
(defun widget-magic-mouse-down-action (widget &optional event)
|
|
;; Non-nil unless hidden.
|
|
(not (eq (widget-get (widget-get (widget-get widget :parent) :parent)
|
|
:custom-state)
|
|
'hidden)))
|
|
|
|
(defun custom-magic-value-create (widget)
|
|
"Create compact status report for WIDGET."
|
|
(let* ((parent (widget-get widget :parent))
|
|
(state (widget-get parent :custom-state))
|
|
(hidden (eq state 'hidden))
|
|
(entry (assq state custom-magic-alist))
|
|
(magic (nth 1 entry))
|
|
(face (nth 2 entry))
|
|
(category (widget-get parent :custom-category))
|
|
(text (or (and (eq category 'group)
|
|
(nth 4 entry))
|
|
(nth 3 entry)))
|
|
(form (widget-get parent :custom-form))
|
|
children)
|
|
(while (string-match "\\`\\(.*\\)%c\\(.*\\)\\'" text)
|
|
(setq text (concat (match-string 1 text)
|
|
(symbol-name category)
|
|
(match-string 2 text))))
|
|
(when (and custom-magic-show
|
|
(or (not hidden)
|
|
(memq category custom-magic-show-hidden)))
|
|
(insert " ")
|
|
(when (and (eq category 'group)
|
|
(not (and (eq custom-buffer-style 'links)
|
|
(> (widget-get parent :custom-level) 1))))
|
|
(insert-char ?\ (* custom-buffer-indent
|
|
(widget-get parent :custom-level))))
|
|
(push (widget-create-child-and-convert
|
|
widget 'choice-item
|
|
:help-echo "Change the state of this item."
|
|
:format (if hidden "%t" "%[%t%]")
|
|
:button-prefix 'widget-push-button-prefix
|
|
:button-suffix 'widget-push-button-suffix
|
|
:mouse-down-action 'widget-magic-mouse-down-action
|
|
:tag "State")
|
|
children)
|
|
(insert ": ")
|
|
(let ((start (point)))
|
|
(if (eq custom-magic-show 'long)
|
|
(insert text)
|
|
(insert (symbol-name state)))
|
|
(cond ((eq form 'lisp)
|
|
(insert " (lisp)"))
|
|
((eq form 'mismatch)
|
|
(insert " (mismatch)")))
|
|
(put-text-property start (point) 'face 'custom-state-face))
|
|
(insert "\n"))
|
|
(when (and (eq category 'group)
|
|
(not (and (eq custom-buffer-style 'links)
|
|
(> (widget-get parent :custom-level) 1))))
|
|
(insert-char ?\ (* custom-buffer-indent
|
|
(widget-get parent :custom-level))))
|
|
(when custom-magic-show-button
|
|
(when custom-magic-show
|
|
(let ((indent (widget-get parent :indent)))
|
|
(when indent
|
|
(insert-char ? indent))))
|
|
(push (widget-create-child-and-convert
|
|
widget 'choice-item
|
|
:mouse-down-action 'widget-magic-mouse-down-action
|
|
:button-face face
|
|
:button-prefix ""
|
|
:button-suffix ""
|
|
:help-echo "Change the state."
|
|
:format (if hidden "%t" "%[%t%]")
|
|
:tag (if (memq form '(lisp mismatch))
|
|
(concat "(" magic ")")
|
|
(concat "[" magic "]")))
|
|
children)
|
|
(insert " "))
|
|
(widget-put widget :children children)))
|
|
|
|
(defun custom-magic-reset (widget)
|
|
"Redraw the :custom-magic property of WIDGET."
|
|
(let ((magic (widget-get widget :custom-magic)))
|
|
(widget-value-set magic (widget-value magic))))
|
|
|
|
;;; The `custom' Widget.
|
|
|
|
(defface custom-button-face
|
|
'((((type x w32 mac) (class color)) ; Like default modeline
|
|
(:box (:line-width 2 :style released-button)
|
|
:background "lightgrey" :foreground "black"))
|
|
(t
|
|
nil))
|
|
"Face used for buttons in customization buffers."
|
|
:version "21.1"
|
|
:group 'custom-faces)
|
|
|
|
(defface custom-button-pressed-face
|
|
'((((type x w32 mac) (class color))
|
|
(:box (:line-width 2 :style pressed-button)
|
|
:background "lightgrey" :foreground "black"))
|
|
(t
|
|
(:inverse-video t)))
|
|
"Face used for buttons in customization buffers."
|
|
:version "21.1"
|
|
:group 'custom-faces)
|
|
|
|
(defface custom-documentation-face nil
|
|
"Face used for documentation strings in customization buffers."
|
|
:group 'custom-faces)
|
|
|
|
(defface custom-state-face '((((class color)
|
|
(background dark))
|
|
(:foreground "lime green"))
|
|
(((class color)
|
|
(background light))
|
|
(:foreground "dark green"))
|
|
(t nil))
|
|
"Face used for State descriptions in the customize buffer."
|
|
:group 'custom-faces)
|
|
|
|
(define-widget 'custom 'default
|
|
"Customize a user option."
|
|
:format "%v"
|
|
:convert-widget 'custom-convert-widget
|
|
:notify 'custom-notify
|
|
:custom-prefix ""
|
|
:custom-level 1
|
|
:custom-state 'hidden
|
|
:documentation-property 'widget-subclass-responsibility
|
|
:value-create 'widget-subclass-responsibility
|
|
:value-delete 'widget-children-value-delete
|
|
:value-get 'widget-value-value-get
|
|
:validate 'widget-children-validate
|
|
:match (lambda (widget value) (symbolp value)))
|
|
|
|
(defun custom-convert-widget (widget)
|
|
"Initialize :value and :tag from :args in WIDGET."
|
|
(let ((args (widget-get widget :args)))
|
|
(when args
|
|
(widget-put widget :value (widget-apply widget
|
|
:value-to-internal (car args)))
|
|
(widget-put widget :tag (custom-unlispify-tag-name (car args)))
|
|
(widget-put widget :args nil)))
|
|
widget)
|
|
|
|
(defun custom-notify (widget &rest args)
|
|
"Keep track of changes."
|
|
(let ((state (widget-get widget :custom-state)))
|
|
(unless (eq state 'modified)
|
|
(unless (memq state '(nil unknown hidden))
|
|
(widget-put widget :custom-state 'modified))
|
|
(custom-magic-reset widget)
|
|
(apply 'widget-default-notify widget args))))
|
|
|
|
(defun custom-redraw (widget)
|
|
"Redraw WIDGET with current settings."
|
|
(let ((line (count-lines (point-min) (point)))
|
|
(column (current-column))
|
|
(pos (point))
|
|
(from (marker-position (widget-get widget :from)))
|
|
(to (marker-position (widget-get widget :to))))
|
|
(save-excursion
|
|
(widget-value-set widget (widget-value widget))
|
|
(custom-redraw-magic widget))
|
|
(when (and (>= pos from) (<= pos to))
|
|
(condition-case nil
|
|
(progn
|
|
(if (> column 0)
|
|
(goto-line line)
|
|
(goto-line (1+ line)))
|
|
(move-to-column column))
|
|
(error nil)))))
|
|
|
|
(defun custom-redraw-magic (widget)
|
|
"Redraw WIDGET state with current settings."
|
|
(while widget
|
|
(let ((magic (widget-get widget :custom-magic)))
|
|
(cond (magic
|
|
(widget-value-set magic (widget-value magic))
|
|
(when (setq widget (widget-get widget :group))
|
|
(custom-group-state-update widget)))
|
|
(t
|
|
(setq widget nil)))))
|
|
(widget-setup))
|
|
|
|
(defun custom-show (widget value)
|
|
"Non-nil if WIDGET should be shown with VALUE by default."
|
|
(let ((show (widget-get widget :custom-show)))
|
|
(cond ((null show)
|
|
nil)
|
|
((eq t show)
|
|
t)
|
|
(t
|
|
(funcall show widget value)))))
|
|
|
|
(defun custom-load-widget (widget)
|
|
"Load all dependencies for WIDGET."
|
|
(custom-load-symbol (widget-value widget)))
|
|
|
|
(defun custom-unloaded-symbol-p (symbol)
|
|
"Return non-nil if the dependencies of SYMBOL has not yet been loaded."
|
|
(let ((found nil)
|
|
(loads (get symbol 'custom-loads))
|
|
load)
|
|
(while loads
|
|
(setq load (car loads)
|
|
loads (cdr loads))
|
|
(cond ((symbolp load)
|
|
(unless (featurep load)
|
|
(setq found t)))
|
|
((assoc load load-history))
|
|
((assoc (locate-library load) load-history)
|
|
(message nil))
|
|
(t
|
|
(setq found t))))
|
|
found))
|
|
|
|
(defun custom-unloaded-widget-p (widget)
|
|
"Return non-nil if the dependencies of WIDGET has not yet been loaded."
|
|
(custom-unloaded-symbol-p (widget-value widget)))
|
|
|
|
(defun custom-toggle-hide (widget)
|
|
"Toggle visibility of WIDGET."
|
|
(custom-load-widget widget)
|
|
(let ((state (widget-get widget :custom-state)))
|
|
(cond ((memq state '(invalid modified))
|
|
(error "There are unset changes"))
|
|
((eq state 'hidden)
|
|
(widget-put widget :custom-state 'unknown))
|
|
(t
|
|
(widget-put widget :documentation-shown nil)
|
|
(widget-put widget :custom-state 'hidden)))
|
|
(custom-redraw widget)
|
|
(widget-setup)))
|
|
|
|
(defun custom-toggle-parent (widget &rest ignore)
|
|
"Toggle visibility of parent of WIDGET."
|
|
(custom-toggle-hide (widget-get widget :parent)))
|
|
|
|
(defun custom-add-see-also (widget &optional prefix)
|
|
"Add `See also ...' to WIDGET if there are any links.
|
|
Insert PREFIX first if non-nil."
|
|
(let* ((symbol (widget-get widget :value))
|
|
(links (get symbol 'custom-links))
|
|
(many (> (length links) 2))
|
|
(buttons (widget-get widget :buttons))
|
|
(indent (widget-get widget :indent)))
|
|
(when links
|
|
(when indent
|
|
(insert-char ?\ indent))
|
|
(when prefix
|
|
(insert prefix))
|
|
(insert "See also ")
|
|
(while links
|
|
(push (widget-create-child-and-convert widget (car links))
|
|
buttons)
|
|
(setq links (cdr links))
|
|
(cond ((null links)
|
|
(insert ".\n"))
|
|
((null (cdr links))
|
|
(if many
|
|
(insert ", and ")
|
|
(insert " and ")))
|
|
(t
|
|
(insert ", "))))
|
|
(widget-put widget :buttons buttons))))
|
|
|
|
(defun custom-add-parent-links (widget &optional initial-string)
|
|
"Add \"Parent groups: ...\" to WIDGET if the group has parents.
|
|
The value if non-nil if any parents were found.
|
|
If INITIAL-STRING is non-nil, use that rather than \"Parent groups:\"."
|
|
(let ((name (widget-value widget))
|
|
(type (widget-type widget))
|
|
(buttons (widget-get widget :buttons))
|
|
(start (point))
|
|
found)
|
|
(insert (or initial-string "Parent groups:"))
|
|
(mapatoms (lambda (symbol)
|
|
(let ((entry (assq name (get symbol 'custom-group))))
|
|
(when (eq (nth 1 entry) type)
|
|
(insert " ")
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-group-link
|
|
:tag (custom-unlispify-tag-name symbol)
|
|
symbol)
|
|
buttons)
|
|
(setq found t)))))
|
|
(widget-put widget :buttons buttons)
|
|
(if found
|
|
(insert "\n")
|
|
(delete-region start (point)))
|
|
found))
|
|
|
|
;;; The `custom-comment' Widget.
|
|
|
|
;; like the editable field
|
|
(defface custom-comment-face '((((class grayscale color)
|
|
(background light))
|
|
(:background "gray85"))
|
|
(((class grayscale color)
|
|
(background dark))
|
|
(:background "dim gray"))
|
|
(t
|
|
(:slant italic)))
|
|
"Face used for comments on variables or faces"
|
|
:version "21.1"
|
|
:group 'custom-faces)
|
|
|
|
;; like font-lock-comment-face
|
|
(defface custom-comment-tag-face
|
|
'((((class color) (background dark)) (:foreground "gray80"))
|
|
(((class color) (background light)) (:foreground "blue4"))
|
|
(((class grayscale) (background light))
|
|
(:foreground "DimGray" :weight bold :slant italic))
|
|
(((class grayscale) (background dark))
|
|
(:foreground "LightGray" :weight bold :slant italic))
|
|
(t (:weight bold)))
|
|
"Face used for variables or faces comment tags"
|
|
:group 'custom-faces)
|
|
|
|
(define-widget 'custom-comment 'string
|
|
"User comment."
|
|
:tag "Comment"
|
|
:help-echo "Edit a comment here."
|
|
:sample-face 'custom-comment-tag-face
|
|
:value-face 'custom-comment-face
|
|
:shown nil
|
|
:create 'custom-comment-create)
|
|
|
|
(defun custom-comment-create (widget)
|
|
(let* ((null-comment (equal "" (widget-value widget))))
|
|
(if (or (widget-get (widget-get widget :parent) :comment-shown)
|
|
(not null-comment))
|
|
(widget-default-create widget)
|
|
;; `widget-default-delete' expects markers in these slots --
|
|
;; maybe it shouldn't.
|
|
(widget-put widget :from (point-marker))
|
|
(widget-put widget :to (point-marker)))))
|
|
|
|
(defun custom-comment-hide (widget)
|
|
(widget-put (widget-get widget :parent) :comment-shown nil))
|
|
|
|
;; Those functions are for the menu. WIDGET is NOT the comment widget. It's
|
|
;; the global custom one
|
|
(defun custom-comment-show (widget)
|
|
(widget-put widget :comment-shown t)
|
|
(custom-redraw widget)
|
|
(widget-setup))
|
|
|
|
(defun custom-comment-invisible-p (widget)
|
|
(let ((val (widget-value (widget-get widget :comment-widget))))
|
|
(and (equal "" val)
|
|
(not (widget-get widget :comment-shown)))))
|
|
|
|
;;; The `custom-variable' Widget.
|
|
|
|
;; When this was underlined blue, users confused it with a
|
|
;; Mosaic-style hyperlink...
|
|
(defface custom-variable-tag-face
|
|
`((((class color)
|
|
(background dark))
|
|
(:foreground "light blue" :weight bold :height 1.2 :inherit variable-pitch))
|
|
(((class color)
|
|
(background light))
|
|
(:foreground "blue" :weight bold :height 1.2 :inherit variable-pitch))
|
|
(t (:weight bold)))
|
|
"Face used for unpushable variable tags."
|
|
:group 'custom-faces)
|
|
|
|
(defface custom-variable-button-face '((t (:underline t :weight bold)))
|
|
"Face used for pushable variable tags."
|
|
:group 'custom-faces)
|
|
|
|
(defcustom custom-variable-default-form 'edit
|
|
"Default form of displaying variable values."
|
|
:type '(choice (const edit)
|
|
(const lisp))
|
|
:group 'custom-buffer
|
|
:version "20.3")
|
|
|
|
(define-widget 'custom-variable 'custom
|
|
"Customize variable."
|
|
:format "%v"
|
|
:help-echo "Set or reset this variable."
|
|
:documentation-property 'variable-documentation
|
|
:custom-category 'option
|
|
:custom-state nil
|
|
:custom-menu 'custom-variable-menu-create
|
|
:custom-form nil ; defaults to value of `custom-variable-default-form'
|
|
:value-create 'custom-variable-value-create
|
|
:action 'custom-variable-action
|
|
:custom-set 'custom-variable-set
|
|
:custom-save 'custom-variable-save
|
|
:custom-reset-current 'custom-redraw
|
|
:custom-reset-saved 'custom-variable-reset-saved
|
|
:custom-reset-standard 'custom-variable-reset-standard
|
|
:custom-standard-value 'custom-variable-standard-value)
|
|
|
|
(defun custom-variable-type (symbol)
|
|
"Return a widget suitable for editing the value of SYMBOL.
|
|
If SYMBOL has a `custom-type' property, use that.
|
|
Otherwise, look up symbol in `custom-guess-type-alist'."
|
|
(let* ((type (or (get symbol 'custom-type)
|
|
(and (not (get symbol 'standard-value))
|
|
(custom-guess-type symbol))
|
|
'sexp))
|
|
(options (get symbol 'custom-options))
|
|
(tmp (if (listp type)
|
|
(copy-sequence type)
|
|
(list type))))
|
|
(when options
|
|
(widget-put tmp :options options))
|
|
tmp))
|
|
|
|
(defun custom-variable-value-create (widget)
|
|
"Here is where you edit the variable's value."
|
|
(custom-load-widget widget)
|
|
(unless (widget-get widget :custom-form)
|
|
(widget-put widget :custom-form custom-variable-default-form))
|
|
(let* ((buttons (widget-get widget :buttons))
|
|
(children (widget-get widget :children))
|
|
(form (widget-get widget :custom-form))
|
|
(state (widget-get widget :custom-state))
|
|
(symbol (widget-get widget :value))
|
|
(tag (widget-get widget :tag))
|
|
(type (custom-variable-type symbol))
|
|
(conv (widget-convert type))
|
|
(get (or (get symbol 'custom-get) 'default-value))
|
|
(prefix (widget-get widget :custom-prefix))
|
|
(last (widget-get widget :custom-last))
|
|
(value (if (default-boundp symbol)
|
|
(funcall get symbol)
|
|
(widget-get conv :value))))
|
|
;; If the widget is new, the child determines whether it is hidden.
|
|
(cond (state)
|
|
((custom-show type value)
|
|
(setq state 'unknown))
|
|
(t
|
|
(setq state 'hidden)))
|
|
;; If we don't know the state, see if we need to edit it in lisp form.
|
|
(when (eq state 'unknown)
|
|
(unless (widget-apply conv :match value)
|
|
;; (widget-apply (widget-convert type) :match value)
|
|
(setq form 'mismatch)))
|
|
;; Now we can create the child widget.
|
|
(cond ((eq custom-buffer-style 'tree)
|
|
(insert prefix (if last " `--- " " |--- "))
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-browse-variable-tag)
|
|
buttons)
|
|
(insert " " tag "\n")
|
|
(widget-put widget :buttons buttons))
|
|
((eq state 'hidden)
|
|
;; Indicate hidden value.
|
|
(push (widget-create-child-and-convert
|
|
widget 'item
|
|
:format "%{%t%}: "
|
|
:sample-face 'custom-variable-tag-face
|
|
:tag tag
|
|
:parent widget)
|
|
buttons)
|
|
(push (widget-create-child-and-convert
|
|
widget 'visibility
|
|
:help-echo "Show the value of this option."
|
|
:off "Show Value"
|
|
:action 'custom-toggle-parent
|
|
nil)
|
|
buttons))
|
|
((memq form '(lisp mismatch))
|
|
;; In lisp mode edit the saved value when possible.
|
|
(let* ((value (cond ((get symbol 'saved-value)
|
|
(car (get symbol 'saved-value)))
|
|
((get symbol 'standard-value)
|
|
(car (get symbol 'standard-value)))
|
|
((default-boundp symbol)
|
|
(custom-quote (funcall get symbol)))
|
|
(t
|
|
(custom-quote (widget-get conv :value))))))
|
|
(insert (symbol-name symbol) ": ")
|
|
(push (widget-create-child-and-convert
|
|
widget 'visibility
|
|
:help-echo "Hide the value of this option."
|
|
:on "Hide Value"
|
|
:off "Show Value"
|
|
:action 'custom-toggle-parent
|
|
t)
|
|
buttons)
|
|
(insert " ")
|
|
(push (widget-create-child-and-convert
|
|
widget 'sexp
|
|
:button-face 'custom-variable-button-face
|
|
:format "%v"
|
|
:tag (symbol-name symbol)
|
|
:parent widget
|
|
:value value)
|
|
children)))
|
|
(t
|
|
;; Edit mode.
|
|
(let* ((format (widget-get type :format))
|
|
tag-format value-format)
|
|
(unless (string-match ":" format)
|
|
(error "Bad format"))
|
|
(setq tag-format (substring format 0 (match-end 0)))
|
|
(setq value-format (substring format (match-end 0)))
|
|
(push (widget-create-child-and-convert
|
|
widget 'item
|
|
:format tag-format
|
|
:action 'custom-tag-action
|
|
:help-echo "Change value of this option."
|
|
:mouse-down-action 'custom-tag-mouse-down-action
|
|
:button-face 'custom-variable-button-face
|
|
:sample-face 'custom-variable-tag-face
|
|
tag)
|
|
buttons)
|
|
(insert " ")
|
|
(push (widget-create-child-and-convert
|
|
widget 'visibility
|
|
:help-echo "Hide the value of this option."
|
|
:on "Hide Value"
|
|
:off "Show Value"
|
|
:action 'custom-toggle-parent
|
|
t)
|
|
buttons)
|
|
(push (widget-create-child-and-convert
|
|
widget type
|
|
:format value-format
|
|
:value value)
|
|
children))))
|
|
(unless (eq custom-buffer-style 'tree)
|
|
(unless (eq (preceding-char) ?\n)
|
|
(widget-insert "\n"))
|
|
;; Create the magic button.
|
|
(let ((magic (widget-create-child-and-convert
|
|
widget 'custom-magic nil)))
|
|
(widget-put widget :custom-magic magic)
|
|
(push magic buttons))
|
|
;; ### NOTE: this is ugly!!!! I need to update the :buttons property
|
|
;; before the call to `widget-default-format-handler'. Otherwise, I
|
|
;; loose my current `buttons'. This function shouldn't be called like
|
|
;; this anyway. The doc string widget should be added like the others.
|
|
;; --dv
|
|
(widget-put widget :buttons buttons)
|
|
(insert "\n")
|
|
;; Insert documentation.
|
|
(widget-default-format-handler widget ?h)
|
|
|
|
;; The comment field
|
|
(unless (eq state 'hidden)
|
|
(let* ((comment (get symbol 'variable-comment))
|
|
(comment-widget
|
|
(widget-create-child-and-convert
|
|
widget 'custom-comment
|
|
:parent widget
|
|
:value (or comment ""))))
|
|
(widget-put widget :comment-widget comment-widget)
|
|
;; Don't push it !!! Custom assumes that the first child is the
|
|
;; value one.
|
|
(setq children (append children (list comment-widget)))))
|
|
;; Update the rest of the properties properties.
|
|
(widget-put widget :custom-form form)
|
|
(widget-put widget :children children)
|
|
;; Now update the state.
|
|
(if (eq state 'hidden)
|
|
(widget-put widget :custom-state state)
|
|
(custom-variable-state-set widget))
|
|
;; See also.
|
|
(unless (eq state 'hidden)
|
|
(when (eq (widget-get widget :custom-level) 1)
|
|
(custom-add-parent-links widget))
|
|
(custom-add-see-also widget)))))
|
|
|
|
(defun custom-tag-action (widget &rest args)
|
|
"Pass :action to first child of WIDGET's parent."
|
|
(apply 'widget-apply (car (widget-get (widget-get widget :parent) :children))
|
|
:action args))
|
|
|
|
(defun custom-tag-mouse-down-action (widget &rest args)
|
|
"Pass :mouse-down-action to first child of WIDGET's parent."
|
|
(apply 'widget-apply (car (widget-get (widget-get widget :parent) :children))
|
|
:mouse-down-action args))
|
|
|
|
(defun custom-variable-state-set (widget)
|
|
"Set the state of WIDGET."
|
|
(let* ((symbol (widget-value widget))
|
|
(get (or (get symbol 'custom-get) 'default-value))
|
|
(value (if (default-boundp symbol)
|
|
(funcall get symbol)
|
|
(widget-get widget :value)))
|
|
(comment (get symbol 'variable-comment))
|
|
tmp
|
|
temp
|
|
(state (cond ((progn (setq tmp (get symbol 'customized-value))
|
|
(setq temp
|
|
(get symbol 'customized-variable-comment))
|
|
(or tmp temp))
|
|
(if (condition-case nil
|
|
(and (equal value (eval (car tmp)))
|
|
(equal comment temp))
|
|
(error nil))
|
|
'set
|
|
'changed))
|
|
((progn (setq tmp (get symbol 'saved-value))
|
|
(setq temp (get symbol 'saved-variable-comment))
|
|
(or tmp temp))
|
|
(if (condition-case nil
|
|
(and (equal value (eval (car tmp)))
|
|
(equal comment temp))
|
|
(error nil))
|
|
'saved
|
|
'changed))
|
|
((setq tmp (get symbol 'standard-value))
|
|
(if (condition-case nil
|
|
(and (equal value (eval (car tmp)))
|
|
(equal comment nil))
|
|
(error nil))
|
|
'standard
|
|
'changed))
|
|
(t 'rogue))))
|
|
(widget-put widget :custom-state state)))
|
|
|
|
(defun custom-variable-standard-value (widget)
|
|
(get (widget-value widget) 'standard-value))
|
|
|
|
(defvar custom-variable-menu
|
|
'(("Set for Current Session" custom-variable-set
|
|
(lambda (widget)
|
|
(eq (widget-get widget :custom-state) 'modified)))
|
|
("Save for Future Sessions" custom-variable-save
|
|
(lambda (widget)
|
|
(memq (widget-get widget :custom-state) '(modified set changed rogue))))
|
|
("Reset to Current" custom-redraw
|
|
(lambda (widget)
|
|
(and (default-boundp (widget-value widget))
|
|
(memq (widget-get widget :custom-state) '(modified changed)))))
|
|
("Reset to Saved" custom-variable-reset-saved
|
|
(lambda (widget)
|
|
(and (or (get (widget-value widget) 'saved-value)
|
|
(get (widget-value widget) 'saved-variable-comment))
|
|
(memq (widget-get widget :custom-state)
|
|
'(modified set changed rogue)))))
|
|
("Erase Customization" custom-variable-reset-standard
|
|
(lambda (widget)
|
|
(and (get (widget-value widget) 'standard-value)
|
|
(memq (widget-get widget :custom-state)
|
|
'(modified set changed saved rogue)))))
|
|
("Use Backup Value" custom-variable-reset-backup
|
|
(lambda (widget)
|
|
(get (widget-value widget) 'backup-value)))
|
|
("---" ignore ignore)
|
|
("Add Comment" custom-comment-show custom-comment-invisible-p)
|
|
("---" ignore ignore)
|
|
("Don't show as Lisp expression" custom-variable-edit
|
|
(lambda (widget)
|
|
(eq (widget-get widget :custom-form) 'lisp)))
|
|
("Show initial Lisp expression" custom-variable-edit-lisp
|
|
(lambda (widget)
|
|
(eq (widget-get widget :custom-form) 'edit))))
|
|
"Alist of actions for the `custom-variable' widget.
|
|
Each entry has the form (NAME ACTION FILTER) where NAME is the name of
|
|
the menu entry, ACTION is the function to call on the widget when the
|
|
menu is selected, and FILTER is a predicate which takes a `custom-variable'
|
|
widget as an argument, and returns non-nil if ACTION is valid on that
|
|
widget. If FILTER is nil, ACTION is always valid.")
|
|
|
|
(defun custom-variable-action (widget &optional event)
|
|
"Show the menu for `custom-variable' WIDGET.
|
|
Optional EVENT is the location for the menu."
|
|
(if (eq (widget-get widget :custom-state) 'hidden)
|
|
(custom-toggle-hide widget)
|
|
(unless (eq (widget-get widget :custom-state) 'modified)
|
|
(custom-variable-state-set widget))
|
|
(custom-redraw-magic widget)
|
|
(let* ((completion-ignore-case t)
|
|
(answer (widget-choose (concat "Operation on "
|
|
(custom-unlispify-tag-name
|
|
(widget-get widget :value)))
|
|
(custom-menu-filter custom-variable-menu
|
|
widget)
|
|
event)))
|
|
(if answer
|
|
(funcall answer widget)))))
|
|
|
|
(defun custom-variable-edit (widget)
|
|
"Edit value of WIDGET."
|
|
(widget-put widget :custom-state 'unknown)
|
|
(widget-put widget :custom-form 'edit)
|
|
(custom-redraw widget))
|
|
|
|
(defun custom-variable-edit-lisp (widget)
|
|
"Edit the Lisp representation of the value of WIDGET."
|
|
(widget-put widget :custom-state 'unknown)
|
|
(widget-put widget :custom-form 'lisp)
|
|
(custom-redraw widget))
|
|
|
|
(defun custom-variable-set (widget)
|
|
"Set the current value for the variable being edited by WIDGET."
|
|
(let* ((form (widget-get widget :custom-form))
|
|
(state (widget-get widget :custom-state))
|
|
(child (car (widget-get widget :children)))
|
|
(symbol (widget-value widget))
|
|
(set (or (get symbol 'custom-set) 'set-default))
|
|
(comment-widget (widget-get widget :comment-widget))
|
|
(comment (widget-value comment-widget))
|
|
val)
|
|
(cond ((eq state 'hidden)
|
|
(error "Cannot set hidden variable"))
|
|
((setq val (widget-apply child :validate))
|
|
(goto-char (widget-get val :from))
|
|
(error "%s" (widget-get val :error)))
|
|
((memq form '(lisp mismatch))
|
|
(when (equal comment "")
|
|
(setq comment nil)
|
|
;; Make the comment invisible by hand if it's empty
|
|
(custom-comment-hide comment-widget))
|
|
(custom-variable-backup-value widget)
|
|
(funcall set symbol (eval (setq val (widget-value child))))
|
|
(put symbol 'customized-value (list val))
|
|
(put symbol 'variable-comment comment)
|
|
(put symbol 'customized-variable-comment comment))
|
|
(t
|
|
(when (equal comment "")
|
|
(setq comment nil)
|
|
;; Make the comment invisible by hand if it's empty
|
|
(custom-comment-hide comment-widget))
|
|
(custom-variable-backup-value widget)
|
|
(funcall set symbol (setq val (widget-value child)))
|
|
(put symbol 'customized-value (list (custom-quote val)))
|
|
(put symbol 'variable-comment comment)
|
|
(put symbol 'customized-variable-comment comment)))
|
|
(custom-variable-state-set widget)
|
|
(custom-redraw-magic widget)))
|
|
|
|
(defun custom-variable-save (widget)
|
|
"Set and save the value for the variable being edited by WIDGET."
|
|
(let* ((form (widget-get widget :custom-form))
|
|
(state (widget-get widget :custom-state))
|
|
(child (car (widget-get widget :children)))
|
|
(symbol (widget-value widget))
|
|
(set (or (get symbol 'custom-set) 'set-default))
|
|
(comment-widget (widget-get widget :comment-widget))
|
|
(comment (widget-value comment-widget))
|
|
val)
|
|
(cond ((eq state 'hidden)
|
|
(error "Cannot set hidden variable"))
|
|
((setq val (widget-apply child :validate))
|
|
(goto-char (widget-get val :from))
|
|
(error "Saving %s: %s" symbol (widget-get val :error)))
|
|
((memq form '(lisp mismatch))
|
|
(when (equal comment "")
|
|
(setq comment nil)
|
|
;; Make the comment invisible by hand if it's empty
|
|
(custom-comment-hide comment-widget))
|
|
(put symbol 'saved-value (list (widget-value child)))
|
|
(funcall set symbol (eval (widget-value child)))
|
|
(put symbol 'variable-comment comment)
|
|
(put symbol 'saved-variable-comment comment))
|
|
(t
|
|
(when (equal comment "")
|
|
(setq comment nil)
|
|
;; Make the comment invisible by hand if it's empty
|
|
(custom-comment-hide comment-widget))
|
|
(put symbol 'saved-value
|
|
(list (custom-quote (widget-value child))))
|
|
(funcall set symbol (widget-value child))
|
|
(put symbol 'variable-comment comment)
|
|
(put symbol 'saved-variable-comment comment)))
|
|
(put symbol 'customized-value nil)
|
|
(put symbol 'customized-variable-comment nil)
|
|
(custom-save-all)
|
|
(custom-variable-state-set widget)
|
|
(custom-redraw-magic widget)))
|
|
|
|
(defun custom-variable-reset-saved (widget)
|
|
"Restore the saved value for the variable being edited by WIDGET.
|
|
The value that was current before this operation
|
|
becomes the backup value, so you can get it again."
|
|
(let* ((symbol (widget-value widget))
|
|
(set (or (get symbol 'custom-set) 'set-default))
|
|
(value (get symbol 'saved-value))
|
|
(comment (get symbol 'saved-variable-comment)))
|
|
(cond ((or value comment)
|
|
(put symbol 'variable-comment comment)
|
|
(custom-variable-backup-value widget)
|
|
(condition-case nil
|
|
(funcall set symbol (eval (car value)))
|
|
(error nil)))
|
|
(t
|
|
(error "No saved value for %s" symbol)))
|
|
(put symbol 'customized-value nil)
|
|
(put symbol 'customized-variable-comment nil)
|
|
(widget-put widget :custom-state 'unknown)
|
|
;; This call will possibly make the comment invisible
|
|
(custom-redraw widget)))
|
|
|
|
(defun custom-variable-reset-standard (widget)
|
|
"Restore the standard setting for the variable being edited by WIDGET.
|
|
This operation eliminates any saved setting for the variable,
|
|
restoring it to the state of a variable that has never been customized.
|
|
The value that was current before this operation
|
|
becomes the backup value, so you can get it again."
|
|
(let* ((symbol (widget-value widget))
|
|
(set (or (get symbol 'custom-set) 'set-default)))
|
|
(if (get symbol 'standard-value)
|
|
(progn
|
|
(custom-variable-backup-value widget)
|
|
(funcall set symbol (eval (car (get symbol 'standard-value)))))
|
|
(error "No standard setting known for %S" symbol))
|
|
(put symbol 'variable-comment nil)
|
|
(put symbol 'customized-value nil)
|
|
(put symbol 'customized-variable-comment nil)
|
|
(when (or (get symbol 'saved-value) (get symbol 'saved-variable-comment))
|
|
(put symbol 'saved-value nil)
|
|
(put symbol 'saved-variable-comment nil)
|
|
(custom-save-all))
|
|
(widget-put widget :custom-state 'unknown)
|
|
;; This call will possibly make the comment invisible
|
|
(custom-redraw widget)))
|
|
|
|
(defun custom-variable-backup-value (widget)
|
|
"Back up the current value for WIDGET's variable.
|
|
The backup value is kept in the car of the `backup-value' property."
|
|
(let* ((symbol (widget-value widget))
|
|
(get (or (get symbol 'custom-get) 'default-value))
|
|
(type (custom-variable-type symbol))
|
|
(conv (widget-convert type))
|
|
(value (if (default-boundp symbol)
|
|
(funcall get symbol)
|
|
(widget-get conv :value))))
|
|
(put symbol 'backup-value (list value))))
|
|
|
|
(defun custom-variable-reset-backup (widget)
|
|
"Restore the backup value for the variable being edited by WIDGET.
|
|
The value that was current before this operation
|
|
becomes the backup value, so you can use this operation repeatedly
|
|
to switch between two values."
|
|
(let* ((symbol (widget-value widget))
|
|
(set (or (get symbol 'custom-set) 'set-default))
|
|
(value (get symbol 'backup-value))
|
|
(comment-widget (widget-get widget :comment-widget))
|
|
(comment (widget-value comment-widget)))
|
|
(if value
|
|
(progn
|
|
(custom-variable-backup-value widget)
|
|
(condition-case nil
|
|
(funcall set symbol (car value))
|
|
(error nil)))
|
|
(error "No backup value for %s" symbol))
|
|
(put symbol 'customized-value (list (car value)))
|
|
(put symbol 'variable-comment comment)
|
|
(put symbol 'customized-variable-comment comment)
|
|
(custom-variable-state-set widget)
|
|
;; This call will possibly make the comment invisible
|
|
(custom-redraw widget)))
|
|
|
|
;;; The `custom-face-edit' Widget.
|
|
|
|
(define-widget 'custom-face-edit 'checklist
|
|
"Edit face attributes."
|
|
:format "%t: %v"
|
|
:tag "Attributes"
|
|
:extra-offset 12
|
|
:button-args '(:help-echo "Control whether this attribute has any effect.")
|
|
:value-to-internal 'custom-face-edit-fix-value
|
|
:match (lambda (widget value)
|
|
(widget-checklist-match widget
|
|
(custom-face-edit-fix-value widget value)))
|
|
:convert-widget 'custom-face-edit-convert-widget
|
|
:args (mapcar (lambda (att)
|
|
(list 'group
|
|
:inline t
|
|
:sibling-args (widget-get (nth 1 att) :sibling-args)
|
|
(list 'const :format "" :value (nth 0 att))
|
|
(nth 1 att)))
|
|
custom-face-attributes))
|
|
|
|
(defun custom-face-edit-fix-value (widget value)
|
|
"Ignoring WIDGET, convert :bold and :italic in VALUE to new form."
|
|
(if (listp value)
|
|
(let (result)
|
|
(while value
|
|
(let ((key (car value))
|
|
(val (car (cdr value))))
|
|
(cond ((eq key :italic)
|
|
(push :slant result)
|
|
(push (if val 'italic 'normal) result))
|
|
((eq key :bold)
|
|
(push :weight result)
|
|
(push (if val 'bold 'normal) result))
|
|
(t
|
|
(push key result)
|
|
(push val result))))
|
|
(setq value (cdr (cdr value))))
|
|
(setq result (nreverse result))
|
|
result)
|
|
value))
|
|
|
|
(defun custom-face-edit-convert-widget (widget)
|
|
"Convert :args as widget types in WIDGET."
|
|
(widget-put
|
|
widget
|
|
:args (mapcar (lambda (arg)
|
|
(widget-convert arg
|
|
:deactivate 'custom-face-edit-deactivate
|
|
:activate 'custom-face-edit-activate
|
|
:delete 'custom-face-edit-delete))
|
|
(widget-get widget :args)))
|
|
widget)
|
|
|
|
(defun custom-face-edit-deactivate (widget)
|
|
"Make face widget WIDGET inactive for user modifications."
|
|
(unless (widget-get widget :inactive)
|
|
(let ((tag (custom-face-edit-attribute-tag widget))
|
|
(from (copy-marker (widget-get widget :from)))
|
|
(to (widget-get widget :to))
|
|
(value (widget-value widget))
|
|
(inhibit-read-only t)
|
|
(inhibit-modification-hooks t))
|
|
(save-excursion
|
|
(goto-char from)
|
|
(widget-default-delete widget)
|
|
(insert tag ": *\n")
|
|
(widget-put widget :inactive
|
|
(cons value (cons from (- (point) from))))))))
|
|
|
|
(defun custom-face-edit-activate (widget)
|
|
"Make face widget WIDGET inactive for user modifications."
|
|
(let ((inactive (widget-get widget :inactive))
|
|
(inhibit-read-only t)
|
|
(inhibit-modification-hooks t))
|
|
(when (consp inactive)
|
|
(save-excursion
|
|
(goto-char (car (cdr inactive)))
|
|
(delete-region (point) (+ (point) (cdr (cdr inactive))))
|
|
(widget-put widget :inactive nil)
|
|
(widget-apply widget :create)
|
|
(widget-value-set widget (car inactive))
|
|
(widget-setup)))))
|
|
|
|
(defun custom-face-edit-delete (widget)
|
|
"Remove widget from the buffer."
|
|
(let ((inactive (widget-get widget :inactive))
|
|
(inhibit-read-only t)
|
|
(inhibit-modification-hooks t))
|
|
(if (not inactive)
|
|
;; Widget is alive, we don't have to do anything special
|
|
(widget-default-delete widget)
|
|
;; WIDGET is already deleted because we did so to inactivate it;
|
|
;; now just get rid of the label we put in its place.
|
|
(delete-region (car (cdr inactive))
|
|
(+ (car (cdr inactive)) (cdr (cdr inactive))))
|
|
(widget-put widget :inactive nil))))
|
|
|
|
|
|
(defun custom-face-edit-attribute-tag (widget)
|
|
"Returns the first :tag property in WIDGET or one of its children."
|
|
(let ((tag (widget-get widget :tag)))
|
|
(or (and (not (equal tag "")) tag)
|
|
(let ((children (widget-get widget :children)))
|
|
(while (and (null tag) children)
|
|
(setq tag (custom-face-edit-attribute-tag (pop children))))
|
|
tag))))
|
|
|
|
;;; The `custom-display' Widget.
|
|
|
|
(define-widget 'custom-display 'menu-choice
|
|
"Select a display type."
|
|
:tag "Display"
|
|
:value t
|
|
:help-echo "Specify frames where the face attributes should be used."
|
|
:args '((const :tag "all" t)
|
|
(checklist
|
|
:offset 0
|
|
:extra-offset 9
|
|
:args ((group :sibling-args (:help-echo "\
|
|
Only match the specified window systems.")
|
|
(const :format "Type: "
|
|
type)
|
|
(checklist :inline t
|
|
:offset 0
|
|
(const :format "X "
|
|
:sibling-args (:help-echo "\
|
|
The X11 Window System.")
|
|
x)
|
|
(const :format "PM "
|
|
:sibling-args (:help-echo "\
|
|
OS/2 Presentation Manager.")
|
|
pm)
|
|
(const :format "W32 "
|
|
:sibling-args (:help-echo "\
|
|
Windows NT/9X.")
|
|
w32)
|
|
(const :format "DOS "
|
|
:sibling-args (:help-echo "\
|
|
Plain MS-DOS.")
|
|
pc)
|
|
(const :format "TTY%n"
|
|
:sibling-args (:help-echo "\
|
|
Plain text terminals.")
|
|
tty)))
|
|
(group :sibling-args (:help-echo "\
|
|
Only match the frames with the specified color support.")
|
|
(const :format "Class: "
|
|
class)
|
|
(checklist :inline t
|
|
:offset 0
|
|
(const :format "Color "
|
|
:sibling-args (:help-echo "\
|
|
Match color frames.")
|
|
color)
|
|
(const :format "Grayscale "
|
|
:sibling-args (:help-echo "\
|
|
Match grayscale frames.")
|
|
grayscale)
|
|
(const :format "Monochrome%n"
|
|
:sibling-args (:help-echo "\
|
|
Match frames with no color support.")
|
|
mono)))
|
|
(group :sibling-args (:help-echo "\
|
|
Only match frames with the specified intensity.")
|
|
(const :format "\
|
|
Background brightness: "
|
|
background)
|
|
(checklist :inline t
|
|
:offset 0
|
|
(const :format "Light "
|
|
:sibling-args (:help-echo "\
|
|
Match frames with light backgrounds.")
|
|
light)
|
|
(const :format "Dark\n"
|
|
:sibling-args (:help-echo "\
|
|
Match frames with dark backgrounds.")
|
|
dark)))
|
|
(group :sibling-args (:help-echo "\
|
|
Only match frames that support the specified face attributes.")
|
|
(const :format "Supports attributes:" supports)
|
|
(custom-face-edit :inline t :format "%n%v"))))))
|
|
|
|
;;; The `custom-face' Widget.
|
|
|
|
(defface custom-face-tag-face
|
|
`((t (:weight bold :height 1.2 :inherit variable-pitch)))
|
|
"Face used for face tags."
|
|
:group 'custom-faces)
|
|
|
|
(defcustom custom-face-default-form 'selected
|
|
"Default form of displaying face definition."
|
|
:type '(choice (const all)
|
|
(const selected)
|
|
(const lisp))
|
|
:group 'custom-buffer
|
|
:version "20.3")
|
|
|
|
(define-widget 'custom-face 'custom
|
|
"Customize face."
|
|
:sample-face 'custom-face-tag-face
|
|
:help-echo "Set or reset this face."
|
|
:documentation-property #'face-doc-string
|
|
:value-create 'custom-face-value-create
|
|
:action 'custom-face-action
|
|
:custom-category 'face
|
|
:custom-form nil ; defaults to value of `custom-face-default-form'
|
|
:custom-set 'custom-face-set
|
|
:custom-save 'custom-face-save
|
|
:custom-reset-current 'custom-redraw
|
|
:custom-reset-saved 'custom-face-reset-saved
|
|
:custom-reset-standard 'custom-face-reset-standard
|
|
:custom-standard-value 'custom-face-standard-value
|
|
:custom-menu 'custom-face-menu-create)
|
|
|
|
(define-widget 'custom-face-all 'editable-list
|
|
"An editable list of display specifications and attributes."
|
|
:entry-format "%i %d %v"
|
|
:insert-button-args '(:help-echo "Insert new display specification here.")
|
|
:append-button-args '(:help-echo "Append new display specification here.")
|
|
:delete-button-args '(:help-echo "Delete this display specification.")
|
|
:args '((group :format "%v" custom-display custom-face-edit)))
|
|
|
|
(defconst custom-face-all (widget-convert 'custom-face-all)
|
|
"Converted version of the `custom-face-all' widget.")
|
|
|
|
(define-widget 'custom-display-unselected 'item
|
|
"A display specification that doesn't match the selected display."
|
|
:match 'custom-display-unselected-match)
|
|
|
|
(defun custom-display-unselected-match (widget value)
|
|
"Non-nil if VALUE is an unselected display specification."
|
|
(not (face-spec-set-match-display value (selected-frame))))
|
|
|
|
(define-widget 'custom-face-selected 'group
|
|
"Edit the attributes of the selected display in a face specification."
|
|
:args '((repeat :format ""
|
|
:inline t
|
|
(group custom-display-unselected sexp))
|
|
(group (sexp :format "") custom-face-edit)
|
|
(repeat :format ""
|
|
:inline t
|
|
sexp)))
|
|
|
|
(defconst custom-face-selected (widget-convert 'custom-face-selected)
|
|
"Converted version of the `custom-face-selected' widget.")
|
|
|
|
(defun custom-filter-face-spec (spec filter-index &optional default-filter)
|
|
"Return a canonicalized version of SPEC using.
|
|
FILTER-INDEX is the index in the entry for each attribute in
|
|
`custom-face-attributes' at which the appropriate filter function can be
|
|
found, and DEFAULT-FILTER is the filter to apply for attributes that
|
|
don't specify one."
|
|
(mapcar (lambda (entry)
|
|
;; Filter a single face-spec entry
|
|
(let ((tests (car entry))
|
|
(unfiltered-attrs
|
|
;; Handle both old- and new-style attribute syntax
|
|
(if (listp (car (cdr entry)))
|
|
(car (cdr entry))
|
|
(cdr entry)))
|
|
(filtered-attrs nil))
|
|
;; Filter each face attribute
|
|
(while unfiltered-attrs
|
|
(let* ((attr (pop unfiltered-attrs))
|
|
(pre-filtered-value (pop unfiltered-attrs))
|
|
(filter
|
|
(or (nth filter-index (assq attr custom-face-attributes))
|
|
default-filter))
|
|
(filtered-value
|
|
(if filter
|
|
(funcall filter pre-filtered-value)
|
|
pre-filtered-value)))
|
|
(push filtered-value filtered-attrs)
|
|
(push attr filtered-attrs)))
|
|
;;
|
|
(list tests filtered-attrs)))
|
|
spec))
|
|
|
|
(defun custom-pre-filter-face-spec (spec)
|
|
"Return SPEC changed as necessary for editing by the face customization widget.
|
|
SPEC must be a full face spec."
|
|
(custom-filter-face-spec spec 2))
|
|
|
|
(defun custom-post-filter-face-spec (spec)
|
|
"Return the customized SPEC in a form suitable for setting the face."
|
|
(custom-filter-face-spec spec 3))
|
|
|
|
(defun custom-face-value-create (widget)
|
|
"Create a list of the display specifications for WIDGET."
|
|
(let ((buttons (widget-get widget :buttons))
|
|
children
|
|
(symbol (widget-get widget :value))
|
|
(tag (widget-get widget :tag))
|
|
(state (widget-get widget :custom-state))
|
|
(begin (point))
|
|
(is-last (widget-get widget :custom-last))
|
|
(prefix (widget-get widget :custom-prefix)))
|
|
(unless tag
|
|
(setq tag (prin1-to-string symbol)))
|
|
(cond ((eq custom-buffer-style 'tree)
|
|
(insert prefix (if is-last " `--- " " |--- "))
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-browse-face-tag)
|
|
buttons)
|
|
(insert " " tag "\n")
|
|
(widget-put widget :buttons buttons))
|
|
(t
|
|
;; Create tag.
|
|
(insert tag)
|
|
(widget-specify-sample widget begin (point))
|
|
(if (eq custom-buffer-style 'face)
|
|
(insert " ")
|
|
(if (string-match "face\\'" tag)
|
|
(insert ":")
|
|
(insert " face: ")))
|
|
;; Sample.
|
|
(push (widget-create-child-and-convert widget 'item
|
|
:format "(%{%t%})"
|
|
:sample-face symbol
|
|
:tag "sample")
|
|
buttons)
|
|
;; Visibility.
|
|
(insert " ")
|
|
(push (widget-create-child-and-convert
|
|
widget 'visibility
|
|
:help-echo "Hide or show this face."
|
|
:on "Hide Face"
|
|
:off "Show Face"
|
|
:action 'custom-toggle-parent
|
|
(not (eq state 'hidden)))
|
|
buttons)
|
|
;; Magic.
|
|
(insert "\n")
|
|
(let ((magic (widget-create-child-and-convert
|
|
widget 'custom-magic nil)))
|
|
(widget-put widget :custom-magic magic)
|
|
(push magic buttons))
|
|
;; Update buttons.
|
|
(widget-put widget :buttons buttons)
|
|
;; Insert documentation.
|
|
(widget-default-format-handler widget ?h)
|
|
;; The comment field
|
|
(unless (eq state 'hidden)
|
|
(let* ((comment (get symbol 'face-comment))
|
|
(comment-widget
|
|
(widget-create-child-and-convert
|
|
widget 'custom-comment
|
|
:parent widget
|
|
:value (or comment ""))))
|
|
(widget-put widget :comment-widget comment-widget)
|
|
(push comment-widget children)))
|
|
;; See also.
|
|
(unless (eq state 'hidden)
|
|
(when (eq (widget-get widget :custom-level) 1)
|
|
(custom-add-parent-links widget))
|
|
(custom-add-see-also widget))
|
|
;; Editor.
|
|
(unless (eq (preceding-char) ?\n)
|
|
(insert "\n"))
|
|
(unless (eq state 'hidden)
|
|
(message "Creating face editor...")
|
|
(custom-load-widget widget)
|
|
(unless (widget-get widget :custom-form)
|
|
(widget-put widget :custom-form custom-face-default-form))
|
|
(let* ((symbol (widget-value widget))
|
|
(spec (or (get symbol 'customized-face)
|
|
(get symbol 'saved-face)
|
|
(get symbol 'face-defface-spec)
|
|
;; Attempt to construct it.
|
|
(list (list t (custom-face-attributes-get
|
|
symbol (selected-frame))))))
|
|
(form (widget-get widget :custom-form))
|
|
(indent (widget-get widget :indent))
|
|
edit)
|
|
;; If the user has changed this face in some other way,
|
|
;; edit it as the user has specified it.
|
|
(if (not (face-spec-match-p symbol spec (selected-frame)))
|
|
(setq spec (list (list t (face-attr-construct symbol (selected-frame))))))
|
|
(setq spec (custom-pre-filter-face-spec spec))
|
|
(setq edit (widget-create-child-and-convert
|
|
widget
|
|
(cond ((and (eq form 'selected)
|
|
(widget-apply custom-face-selected
|
|
:match spec))
|
|
(when indent (insert-char ?\ indent))
|
|
'custom-face-selected)
|
|
((and (not (eq form 'lisp))
|
|
(widget-apply custom-face-all
|
|
:match spec))
|
|
'custom-face-all)
|
|
(t
|
|
(when indent (insert-char ?\ indent))
|
|
'sexp))
|
|
:value spec))
|
|
(custom-face-state-set widget)
|
|
(push edit children)
|
|
(widget-put widget :children children))
|
|
(message "Creating face editor...done"))))))
|
|
|
|
(defvar custom-face-menu
|
|
'(("Set for Current Session" custom-face-set)
|
|
("Save for Future Sessions" custom-face-save-command)
|
|
("Reset to Saved" custom-face-reset-saved
|
|
(lambda (widget)
|
|
(or (get (widget-value widget) 'saved-face)
|
|
(get (widget-value widget) 'saved-face-comment))))
|
|
("Erase Customization" custom-face-reset-standard
|
|
(lambda (widget)
|
|
(get (widget-value widget) 'face-defface-spec)))
|
|
("---" ignore ignore)
|
|
("Add Comment" custom-comment-show custom-comment-invisible-p)
|
|
("---" ignore ignore)
|
|
("Show all display specs" custom-face-edit-all
|
|
(lambda (widget)
|
|
(not (eq (widget-get widget :custom-form) 'all))))
|
|
("Just current attributes" custom-face-edit-selected
|
|
(lambda (widget)
|
|
(not (eq (widget-get widget :custom-form) 'selected))))
|
|
("Show as Lisp expression" custom-face-edit-lisp
|
|
(lambda (widget)
|
|
(not (eq (widget-get widget :custom-form) 'lisp)))))
|
|
"Alist of actions for the `custom-face' widget.
|
|
Each entry has the form (NAME ACTION FILTER) where NAME is the name of
|
|
the menu entry, ACTION is the function to call on the widget when the
|
|
menu is selected, and FILTER is a predicate which takes a `custom-face'
|
|
widget as an argument, and returns non-nil if ACTION is valid on that
|
|
widget. If FILTER is nil, ACTION is always valid.")
|
|
|
|
(defun custom-face-edit-selected (widget)
|
|
"Edit selected attributes of the value of WIDGET."
|
|
(widget-put widget :custom-state 'unknown)
|
|
(widget-put widget :custom-form 'selected)
|
|
(custom-redraw widget))
|
|
|
|
(defun custom-face-edit-all (widget)
|
|
"Edit all attributes of the value of WIDGET."
|
|
(widget-put widget :custom-state 'unknown)
|
|
(widget-put widget :custom-form 'all)
|
|
(custom-redraw widget))
|
|
|
|
(defun custom-face-edit-lisp (widget)
|
|
"Edit the Lisp representation of the value of WIDGET."
|
|
(widget-put widget :custom-state 'unknown)
|
|
(widget-put widget :custom-form 'lisp)
|
|
(custom-redraw widget))
|
|
|
|
(defun custom-face-state-set (widget)
|
|
"Set the state of WIDGET."
|
|
(let* ((symbol (widget-value widget))
|
|
(comment (get symbol 'face-comment))
|
|
tmp temp)
|
|
(widget-put widget :custom-state
|
|
(cond ((progn
|
|
(setq tmp (get symbol 'customized-face))
|
|
(setq temp (get symbol 'customized-face-comment))
|
|
(or tmp temp))
|
|
(if (equal temp comment)
|
|
'set
|
|
'changed))
|
|
((progn
|
|
(setq tmp (get symbol 'saved-face))
|
|
(setq temp (get symbol 'saved-face-comment))
|
|
(or tmp temp))
|
|
(if (equal temp comment)
|
|
'saved
|
|
'changed))
|
|
((get symbol 'face-defface-spec)
|
|
(if (equal comment nil)
|
|
'standard
|
|
'changed))
|
|
(t
|
|
'rogue)))))
|
|
|
|
(defun custom-face-action (widget &optional event)
|
|
"Show the menu for `custom-face' WIDGET.
|
|
Optional EVENT is the location for the menu."
|
|
(if (eq (widget-get widget :custom-state) 'hidden)
|
|
(custom-toggle-hide widget)
|
|
(let* ((completion-ignore-case t)
|
|
(symbol (widget-get widget :value))
|
|
(answer (widget-choose (concat "Operation on "
|
|
(custom-unlispify-tag-name symbol))
|
|
(custom-menu-filter custom-face-menu
|
|
widget)
|
|
event)))
|
|
(if answer
|
|
(funcall answer widget)))))
|
|
|
|
(defun custom-face-set (widget)
|
|
"Make the face attributes in WIDGET take effect."
|
|
(let* ((symbol (widget-value widget))
|
|
(child (car (widget-get widget :children)))
|
|
(value (custom-post-filter-face-spec (widget-value child)))
|
|
(comment-widget (widget-get widget :comment-widget))
|
|
(comment (widget-value comment-widget)))
|
|
(when (equal comment "")
|
|
(setq comment nil)
|
|
;; Make the comment invisible by hand if it's empty
|
|
(custom-comment-hide comment-widget))
|
|
(put symbol 'customized-face value)
|
|
(if (face-spec-choose value)
|
|
(face-spec-set symbol value)
|
|
;; face-set-spec ignores empty attribute lists, so just give it
|
|
;; something harmless instead.
|
|
(face-spec-set symbol '((t :foreground unspecified))))
|
|
(put symbol 'customized-face-comment comment)
|
|
(put symbol 'face-comment comment)
|
|
(custom-face-state-set widget)
|
|
(custom-redraw-magic widget)))
|
|
|
|
(defun custom-face-save-command (widget)
|
|
"Save in `.emacs' the face attributes in WIDGET."
|
|
(custom-face-save widget)
|
|
(custom-save-all))
|
|
|
|
(defun custom-face-save (widget)
|
|
"Prepare for saving WIDGET's face attributes, but don't write `.emacs'."
|
|
(let* ((symbol (widget-value widget))
|
|
(child (car (widget-get widget :children)))
|
|
(value (custom-post-filter-face-spec (widget-value child)))
|
|
(comment-widget (widget-get widget :comment-widget))
|
|
(comment (widget-value comment-widget)))
|
|
(when (equal comment "")
|
|
(setq comment nil)
|
|
;; Make the comment invisible by hand if it's empty
|
|
(custom-comment-hide comment-widget))
|
|
(if (face-spec-choose value)
|
|
(face-spec-set symbol value)
|
|
;; face-set-spec ignores empty attribute lists, so just give it
|
|
;; something harmless instead.
|
|
(face-spec-set symbol '((t :foreground unspecified))))
|
|
(unless (eq (widget-get widget :custom-state) 'standard)
|
|
(put symbol 'saved-face value))
|
|
(put symbol 'customized-face nil)
|
|
(put symbol 'face-comment comment)
|
|
(put symbol 'customized-face-comment nil)
|
|
(put symbol 'saved-face-comment comment)
|
|
(custom-save-all)
|
|
(custom-face-state-set widget)
|
|
(custom-redraw-magic widget)))
|
|
|
|
(defun custom-face-reset-saved (widget)
|
|
"Restore WIDGET to the face's default attributes."
|
|
(let* ((symbol (widget-value widget))
|
|
(child (car (widget-get widget :children)))
|
|
(value (get symbol 'saved-face))
|
|
(comment (get symbol 'saved-face-comment))
|
|
(comment-widget (widget-get widget :comment-widget)))
|
|
(unless (or value comment)
|
|
(error "No saved value for this face"))
|
|
(put symbol 'customized-face nil)
|
|
(put symbol 'customized-face-comment nil)
|
|
(face-spec-set symbol value)
|
|
(put symbol 'face-comment comment)
|
|
(widget-value-set child value)
|
|
;; This call manages the comment visibility
|
|
(widget-value-set comment-widget (or comment ""))
|
|
(custom-face-state-set widget)
|
|
(custom-redraw-magic widget)))
|
|
|
|
(defun custom-face-standard-value (widget)
|
|
(get (widget-value widget) 'face-defface-spec))
|
|
|
|
(defun custom-face-reset-standard (widget)
|
|
"Restore WIDGET to the face's standard settings.
|
|
This operation eliminates any saved setting for the face,
|
|
restoring it to the state of a face that has never been customized."
|
|
(let* ((symbol (widget-value widget))
|
|
(child (car (widget-get widget :children)))
|
|
(value (get symbol 'face-defface-spec))
|
|
(comment-widget (widget-get widget :comment-widget)))
|
|
(unless value
|
|
(error "No standard setting for this face"))
|
|
(put symbol 'customized-face nil)
|
|
(put symbol 'customized-face-comment nil)
|
|
(when (or (get symbol 'saved-face) (get symbol 'saved-face-comment))
|
|
(put symbol 'saved-face nil)
|
|
(put symbol 'saved-face-comment nil)
|
|
(custom-save-all))
|
|
(face-spec-set symbol value)
|
|
(put symbol 'face-comment nil)
|
|
(widget-value-set child value)
|
|
;; This call manages the comment visibility
|
|
(widget-value-set comment-widget "")
|
|
(custom-face-state-set widget)
|
|
(custom-redraw-magic widget)))
|
|
|
|
;;; The `face' Widget.
|
|
|
|
(define-widget 'face 'default
|
|
"Select and customize a face."
|
|
:convert-widget 'widget-value-convert-widget
|
|
:button-prefix 'widget-push-button-prefix
|
|
:button-suffix 'widget-push-button-suffix
|
|
:format "%{%t%}: %[select face%] %v"
|
|
:tag "Face"
|
|
:value 'default
|
|
:value-create 'widget-face-value-create
|
|
:value-delete 'widget-face-value-delete
|
|
:value-get 'widget-value-value-get
|
|
:validate 'widget-children-validate
|
|
:action 'widget-face-action
|
|
:match (lambda (widget value) (symbolp value)))
|
|
|
|
(defun widget-face-value-create (widget)
|
|
"Create a `custom-face' child."
|
|
(let* ((symbol (widget-value widget))
|
|
(custom-buffer-style 'face)
|
|
(child (widget-create-child-and-convert
|
|
widget 'custom-face
|
|
:custom-level nil
|
|
:value symbol)))
|
|
(custom-magic-reset child)
|
|
(setq custom-options (cons child custom-options))
|
|
(widget-put widget :children (list child))))
|
|
|
|
(defun widget-face-value-delete (widget)
|
|
"Remove the child from the options."
|
|
(let ((child (car (widget-get widget :children))))
|
|
(setq custom-options (delq child custom-options))
|
|
(widget-children-value-delete widget)))
|
|
|
|
(defvar face-history nil
|
|
"History of entered face names.")
|
|
|
|
(defun widget-face-action (widget &optional event)
|
|
"Prompt for a face."
|
|
(let ((answer (completing-read "Face: "
|
|
(mapcar (lambda (face)
|
|
(list (symbol-name face)))
|
|
(face-list))
|
|
nil nil nil
|
|
'face-history)))
|
|
(unless (zerop (length answer))
|
|
(widget-value-set widget (intern answer))
|
|
(widget-apply widget :notify widget event)
|
|
(widget-setup))))
|
|
|
|
;;; The `hook' Widget.
|
|
|
|
(define-widget 'hook 'list
|
|
"A emacs lisp hook"
|
|
:value-to-internal (lambda (widget value)
|
|
(if (and value (symbolp value))
|
|
(list value)
|
|
value))
|
|
:match (lambda (widget value)
|
|
(or (symbolp value)
|
|
(widget-group-match widget value)))
|
|
;; Avoid adding undefined functions to the hook, especially for
|
|
;; things like `find-file-hook' or even more basic ones, to avoid
|
|
;; chaos.
|
|
:set (lambda (symbol value)
|
|
(dolist (elt value)
|
|
(if (fboundp elt)
|
|
(add-hook symbol elt))))
|
|
:convert-widget 'custom-hook-convert-widget
|
|
:tag "Hook")
|
|
|
|
(defun custom-hook-convert-widget (widget)
|
|
;; Handle `:options'.
|
|
(let* ((options (widget-get widget :options))
|
|
(other `(editable-list :inline t
|
|
:entry-format "%i %d%v"
|
|
(function :format " %v")))
|
|
(args (if options
|
|
(list `(checklist :inline t
|
|
,@(mapcar (lambda (entry)
|
|
`(function-item ,entry))
|
|
options))
|
|
other)
|
|
(list other))))
|
|
(widget-put widget :args args)
|
|
widget))
|
|
|
|
;;; The `custom-group-link' Widget.
|
|
|
|
(define-widget 'custom-group-link 'link
|
|
"Show parent in other window when activated."
|
|
:help-echo "Create customization buffer for this group."
|
|
:action 'custom-group-link-action)
|
|
|
|
(defun custom-group-link-action (widget &rest ignore)
|
|
(customize-group (widget-value widget)))
|
|
|
|
;;; The `custom-group' Widget.
|
|
|
|
(defcustom custom-group-tag-faces nil
|
|
;; In XEmacs, this ought to play games with font size.
|
|
;; Fixme: make it do so in Emacs.
|
|
"Face used for group tags.
|
|
The first member is used for level 1 groups, the second for level 2,
|
|
and so forth. The remaining group tags are shown with
|
|
`custom-group-tag-face'."
|
|
:type '(repeat face)
|
|
:group 'custom-faces)
|
|
|
|
(defface custom-group-tag-face-1
|
|
`((((class color)
|
|
(background dark))
|
|
(:foreground "pink" :weight bold :height 1.2 :inherit variable-pitch))
|
|
(((class color)
|
|
(background light))
|
|
(:foreground "red" :weight bold :height 1.2 :inherit variable-pitch))
|
|
(t (:weight bold)))
|
|
"Face used for group tags."
|
|
:group 'custom-faces)
|
|
|
|
(defface custom-group-tag-face
|
|
`((((class color)
|
|
(background dark))
|
|
(:foreground "light blue" :weight bold :height 1.2))
|
|
(((class color)
|
|
(background light))
|
|
(:foreground "blue" :weight bold :height 1.2))
|
|
(t (:weight bold)))
|
|
"Face used for low level group tags."
|
|
:group 'custom-faces)
|
|
|
|
(define-widget 'custom-group 'custom
|
|
"Customize group."
|
|
:format "%v"
|
|
:sample-face-get 'custom-group-sample-face-get
|
|
:documentation-property 'group-documentation
|
|
:help-echo "Set or reset all members of this group."
|
|
:value-create 'custom-group-value-create
|
|
:action 'custom-group-action
|
|
:custom-category 'group
|
|
:custom-set 'custom-group-set
|
|
:custom-save 'custom-group-save
|
|
:custom-reset-current 'custom-group-reset-current
|
|
:custom-reset-saved 'custom-group-reset-saved
|
|
:custom-reset-standard 'custom-group-reset-standard
|
|
:custom-menu 'custom-group-menu-create)
|
|
|
|
(defun custom-group-sample-face-get (widget)
|
|
;; Use :sample-face.
|
|
(or (nth (1- (widget-get widget :custom-level)) custom-group-tag-faces)
|
|
'custom-group-tag-face))
|
|
|
|
(define-widget 'custom-group-visibility 'visibility
|
|
"An indicator and manipulator for hidden group contents."
|
|
:create 'custom-group-visibility-create)
|
|
|
|
(defun custom-group-visibility-create (widget)
|
|
(let ((visible (widget-value widget)))
|
|
(if visible
|
|
(insert "--------")))
|
|
(widget-default-create widget))
|
|
|
|
(defun custom-group-members (symbol groups-only)
|
|
"Return SYMBOL's custom group members.
|
|
If GROUPS-ONLY non-nil, return only those members that are groups."
|
|
(if (not groups-only)
|
|
(get symbol 'custom-group)
|
|
(let (members)
|
|
(dolist (entry (get symbol 'custom-group))
|
|
(when (eq (nth 1 entry) 'custom-group)
|
|
(push entry members)))
|
|
(nreverse members))))
|
|
|
|
(defun custom-group-value-create (widget)
|
|
"Insert a customize group for WIDGET in the current buffer."
|
|
(let* ((state (widget-get widget :custom-state))
|
|
(level (widget-get widget :custom-level))
|
|
;; (indent (widget-get widget :indent))
|
|
(prefix (widget-get widget :custom-prefix))
|
|
(buttons (widget-get widget :buttons))
|
|
(tag (widget-get widget :tag))
|
|
(symbol (widget-value widget))
|
|
(members (custom-group-members symbol
|
|
(and (eq custom-buffer-style 'tree)
|
|
custom-browse-only-groups))))
|
|
(cond ((and (eq custom-buffer-style 'tree)
|
|
(eq state 'hidden)
|
|
(or members (custom-unloaded-widget-p widget)))
|
|
(custom-browse-insert-prefix prefix)
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-browse-visibility
|
|
;; :tag-glyph "plus"
|
|
:tag "+")
|
|
buttons)
|
|
(insert "-- ")
|
|
;; (widget-glyph-insert nil "-- " "horizontal")
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-browse-group-tag)
|
|
buttons)
|
|
(insert " " tag "\n")
|
|
(widget-put widget :buttons buttons))
|
|
((and (eq custom-buffer-style 'tree)
|
|
(zerop (length members)))
|
|
(custom-browse-insert-prefix prefix)
|
|
(insert "[ ]-- ")
|
|
;; (widget-glyph-insert nil "[ ]" "empty")
|
|
;; (widget-glyph-insert nil "-- " "horizontal")
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-browse-group-tag)
|
|
buttons)
|
|
(insert " " tag "\n")
|
|
(widget-put widget :buttons buttons))
|
|
((eq custom-buffer-style 'tree)
|
|
(custom-browse-insert-prefix prefix)
|
|
(custom-load-widget widget)
|
|
(if (zerop (length members))
|
|
(progn
|
|
(custom-browse-insert-prefix prefix)
|
|
(insert "[ ]-- ")
|
|
;; (widget-glyph-insert nil "[ ]" "empty")
|
|
;; (widget-glyph-insert nil "-- " "horizontal")
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-browse-group-tag)
|
|
buttons)
|
|
(insert " " tag "\n")
|
|
(widget-put widget :buttons buttons))
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-browse-visibility
|
|
;; :tag-glyph "minus"
|
|
:tag "-")
|
|
buttons)
|
|
(insert "-\\ ")
|
|
;; (widget-glyph-insert nil "-\\ " "top")
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-browse-group-tag)
|
|
buttons)
|
|
(insert " " tag "\n")
|
|
(widget-put widget :buttons buttons)
|
|
(message "Creating group...")
|
|
(let* ((members (custom-sort-items members
|
|
custom-browse-sort-alphabetically
|
|
custom-browse-order-groups))
|
|
(prefixes (widget-get widget :custom-prefixes))
|
|
(custom-prefix-list (custom-prefix-add symbol prefixes))
|
|
(extra-prefix (if (widget-get widget :custom-last)
|
|
" "
|
|
" | "))
|
|
(prefix (concat prefix extra-prefix))
|
|
children entry)
|
|
(while members
|
|
(setq entry (car members)
|
|
members (cdr members))
|
|
(push (widget-create-child-and-convert
|
|
widget (nth 1 entry)
|
|
:group widget
|
|
:tag (custom-unlispify-tag-name (nth 0 entry))
|
|
:custom-prefixes custom-prefix-list
|
|
:custom-level (1+ level)
|
|
:custom-last (null members)
|
|
:value (nth 0 entry)
|
|
:custom-prefix prefix)
|
|
children))
|
|
(widget-put widget :children (reverse children)))
|
|
(message "Creating group...done")))
|
|
;; Nested style.
|
|
((eq state 'hidden)
|
|
;; Create level indicator.
|
|
(unless (eq custom-buffer-style 'links)
|
|
(insert-char ?\ (* custom-buffer-indent (1- level)))
|
|
(insert "-- "))
|
|
;; Create tag.
|
|
(let ((begin (point)))
|
|
(insert tag)
|
|
(widget-specify-sample widget begin (point)))
|
|
(insert " group: ")
|
|
;; Create link/visibility indicator.
|
|
(if (eq custom-buffer-style 'links)
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-group-link
|
|
:tag "Go to Group"
|
|
symbol)
|
|
buttons)
|
|
(push (widget-create-child-and-convert
|
|
widget 'custom-group-visibility
|
|
:help-echo "Show members of this group."
|
|
:action 'custom-toggle-parent
|
|
(not (eq state 'hidden)))
|
|
buttons))
|
|
(insert " \n")
|
|
;; Create magic button.
|
|
(let ((magic (widget-create-child-and-convert
|
|
widget 'custom-magic nil)))
|
|
(widget-put widget :custom-magic magic)
|
|
(push magic buttons))
|
|
;; Update buttons.
|
|
(widget-put widget :buttons buttons)
|
|
;; Insert documentation.
|
|
(if (and (eq custom-buffer-style 'links) (> level 1))
|
|
(widget-put widget :documentation-indent 0))
|
|
(widget-default-format-handler widget ?h))
|
|
;; Nested style.
|
|
(t ;Visible.
|
|
;; Add parent groups references above the group.
|
|
(if t ;;; This should test that the buffer
|
|
;;; was made to display a group.
|
|
(when (eq level 1)
|
|
(if (custom-add-parent-links widget
|
|
"Go to parent group:")
|
|
(insert "\n"))))
|
|
;; Create level indicator.
|
|
(insert-char ?\ (* custom-buffer-indent (1- level)))
|
|
(insert "/- ")
|
|
;; Create tag.
|
|
(let ((start (point)))
|
|
(insert tag)
|
|
(widget-specify-sample widget start (point)))
|
|
(insert " group: ")
|
|
;; Create visibility indicator.
|
|
(unless (eq custom-buffer-style 'links)
|
|
(insert "--------")
|
|
(push (widget-create-child-and-convert
|
|
widget 'visibility
|
|
:help-echo "Hide members of this group."
|
|
:action 'custom-toggle-parent
|
|
(not (eq state 'hidden)))
|
|
buttons)
|
|
(insert " "))
|
|
;; Create more dashes.
|
|
;; Use 76 instead of 75 to compensate for the temporary "<"
|
|
;; added by `widget-insert'.
|
|
(insert-char ?- (- 76 (current-column)
|
|
(* custom-buffer-indent level)))
|
|
(insert "\\\n")
|
|
;; Create magic button.
|
|
(let ((magic (widget-create-child-and-convert
|
|
widget 'custom-magic
|
|
:indent 0
|
|
nil)))
|
|
(widget-put widget :custom-magic magic)
|
|
(push magic buttons))
|
|
;; Update buttons.
|
|
(widget-put widget :buttons buttons)
|
|
;; Insert documentation.
|
|
(widget-default-format-handler widget ?h)
|
|
;; Parent groups.
|
|
(if nil ;;; This should test that the buffer
|
|
;;; was not made to display a group.
|
|
(when (eq level 1)
|
|
(insert-char ?\ custom-buffer-indent)
|
|
(custom-add-parent-links widget)))
|
|
(custom-add-see-also widget
|
|
(make-string (* custom-buffer-indent level)
|
|
?\ ))
|
|
;; Members.
|
|
(message "Creating group...")
|
|
(custom-load-widget widget)
|
|
(let* ((members (custom-sort-items members
|
|
custom-buffer-sort-alphabetically
|
|
custom-buffer-order-groups))
|
|
(prefixes (widget-get widget :custom-prefixes))
|
|
(custom-prefix-list (custom-prefix-add symbol prefixes))
|
|
(length (length members))
|
|
(count 0)
|
|
(children (mapcar (lambda (entry)
|
|
(widget-insert "\n")
|
|
(message "\
|
|
Creating group members... %2d%%"
|
|
(/ (* 100.0 count) length))
|
|
(setq count (1+ count))
|
|
(prog1
|
|
(widget-create-child-and-convert
|
|
widget (nth 1 entry)
|
|
:group widget
|
|
:tag (custom-unlispify-tag-name
|
|
(nth 0 entry))
|
|
:custom-prefixes custom-prefix-list
|
|
:custom-level (1+ level)
|
|
:value (nth 0 entry))
|
|
(unless (eq (preceding-char) ?\n)
|
|
(widget-insert "\n"))))
|
|
members)))
|
|
(message "Creating group magic...")
|
|
(mapc 'custom-magic-reset children)
|
|
(message "Creating group state...")
|
|
(widget-put widget :children children)
|
|
(custom-group-state-update widget)
|
|
(message "Creating group... done"))
|
|
;; End line
|
|
(insert "\n")
|
|
(insert-char ?\ (* custom-buffer-indent (1- level)))
|
|
(insert "\\- " (widget-get widget :tag) " group end ")
|
|
(insert-char ?- (- 75 (current-column) (* custom-buffer-indent level)))
|
|
(insert "/\n")))))
|
|
|
|
(defvar custom-group-menu
|
|
'(("Set for Current Session" custom-group-set
|
|
(lambda (widget)
|
|
(eq (widget-get widget :custom-state) 'modified)))
|
|
("Save for Future Sessions" custom-group-save
|
|
(lambda (widget)
|
|
(memq (widget-get widget :custom-state) '(modified set))))
|
|
("Reset to Current" custom-group-reset-current
|
|
(lambda (widget)
|
|
(memq (widget-get widget :custom-state) '(modified))))
|
|
("Reset to Saved" custom-group-reset-saved
|
|
(lambda (widget)
|
|
(memq (widget-get widget :custom-state) '(modified set))))
|
|
("Reset to standard setting" custom-group-reset-standard
|
|
(lambda (widget)
|
|
(memq (widget-get widget :custom-state) '(modified set saved)))))
|
|
"Alist of actions for the `custom-group' widget.
|
|
Each entry has the form (NAME ACTION FILTER) where NAME is the name of
|
|
the menu entry, ACTION is the function to call on the widget when the
|
|
menu is selected, and FILTER is a predicate which takes a `custom-group'
|
|
widget as an argument, and returns non-nil if ACTION is valid on that
|
|
widget. If FILTER is nil, ACTION is always valid.")
|
|
|
|
(defun custom-group-action (widget &optional event)
|
|
"Show the menu for `custom-group' WIDGET.
|
|
Optional EVENT is the location for the menu."
|
|
(if (eq (widget-get widget :custom-state) 'hidden)
|
|
(custom-toggle-hide widget)
|
|
(let* ((completion-ignore-case t)
|
|
(answer (widget-choose (concat "Operation on "
|
|
(custom-unlispify-tag-name
|
|
(widget-get widget :value)))
|
|
(custom-menu-filter custom-group-menu
|
|
widget)
|
|
event)))
|
|
(if answer
|
|
(funcall answer widget)))))
|
|
|
|
(defun custom-group-set (widget)
|
|
"Set changes in all modified group members."
|
|
(let ((children (widget-get widget :children)))
|
|
(mapc (lambda (child)
|
|
(when (eq (widget-get child :custom-state) 'modified)
|
|
(widget-apply child :custom-set)))
|
|
children )))
|
|
|
|
(defun custom-group-save (widget)
|
|
"Save all modified group members."
|
|
(let ((children (widget-get widget :children)))
|
|
(mapc (lambda (child)
|
|
(when (memq (widget-get child :custom-state) '(modified set))
|
|
(widget-apply child :custom-save)))
|
|
children )))
|
|
|
|
(defun custom-group-reset-current (widget)
|
|
"Reset all modified group members."
|
|
(let ((children (widget-get widget :children)))
|
|
(mapc (lambda (child)
|
|
(when (eq (widget-get child :custom-state) 'modified)
|
|
(widget-apply child :custom-reset-current)))
|
|
children )))
|
|
|
|
(defun custom-group-reset-saved (widget)
|
|
"Reset all modified or set group members."
|
|
(let ((children (widget-get widget :children)))
|
|
(mapc (lambda (child)
|
|
(when (memq (widget-get child :custom-state) '(modified set))
|
|
(widget-apply child :custom-reset-saved)))
|
|
children )))
|
|
|
|
(defun custom-group-reset-standard (widget)
|
|
"Reset all modified, set, or saved group members."
|
|
(let ((children (widget-get widget :children)))
|
|
(mapc (lambda (child)
|
|
(when (memq (widget-get child :custom-state)
|
|
'(modified set saved))
|
|
(widget-apply child :custom-reset-standard)))
|
|
children )))
|
|
|
|
(defun custom-group-state-update (widget)
|
|
"Update magic."
|
|
(unless (eq (widget-get widget :custom-state) 'hidden)
|
|
(let* ((children (widget-get widget :children))
|
|
(states (mapcar (lambda (child)
|
|
(widget-get child :custom-state))
|
|
children))
|
|
(magics custom-magic-alist)
|
|
(found 'standard))
|
|
(while magics
|
|
(let ((magic (car (car magics))))
|
|
(if (and (not (eq magic 'hidden))
|
|
(memq magic states))
|
|
(setq found magic
|
|
magics nil)
|
|
(setq magics (cdr magics)))))
|
|
(widget-put widget :custom-state found)))
|
|
(custom-magic-reset widget))
|
|
|
|
;;; The `custom-save-all' Function.
|
|
;;;###autoload
|
|
(defcustom custom-file nil
|
|
"File used for storing customization information.
|
|
The default is nil, which means to use your init file
|
|
as specified by `user-init-file'. If you specify some other file,
|
|
you need to explicitly load that file for the settings to take effect.
|
|
|
|
When you change this variable, look in the previous custom file
|
|
\(usually your init file) for the forms `(custom-set-variables ...)'
|
|
and `(custom-set-faces ...)', and copy them (whichever ones you find)
|
|
to the new custom file. This will preserve your existing customizations."
|
|
:type '(choice (const :tag "Your Emacs init file" nil) file)
|
|
:group 'customize)
|
|
|
|
(defun custom-file ()
|
|
"Return the file name for saving customizations."
|
|
(setq custom-file
|
|
(or custom-file
|
|
(let ((user-init-file user-init-file)
|
|
(default-init-file
|
|
(if (eq system-type 'ms-dos) "~/_emacs" "~/.emacs")))
|
|
(when (null user-init-file)
|
|
(if (or (file-exists-p default-init-file)
|
|
(and (eq system-type 'windows-nt)
|
|
(file-exists-p "~/_emacs")))
|
|
;; Started with -q, i.e. the file containing
|
|
;; Custom settings hasn't been read. Saving
|
|
;; settings there would overwrite other settings.
|
|
(error "Saving settings from \"emacs -q\" would overwrite existing customizations"))
|
|
(setq user-init-file default-init-file))
|
|
user-init-file))))
|
|
|
|
(defun custom-save-delete (symbol)
|
|
"Visit `custom-file' and delete all calls to SYMBOL from it.
|
|
Leave point at the old location of the first such call,
|
|
or (if there were none) at the end of the buffer."
|
|
(let ((default-major-mode))
|
|
(set-buffer (find-file-noselect (custom-file))))
|
|
(goto-char (point-min))
|
|
;; Skip all whitespace and comments.
|
|
(while (forward-comment 1))
|
|
(or (eobp)
|
|
(save-excursion (forward-sexp (buffer-size)))) ; Test for scan errors.
|
|
(let (first)
|
|
(catch 'found
|
|
(while t ;; We exit this loop only via throw.
|
|
;; Skip all whitespace and comments.
|
|
(while (forward-comment 1))
|
|
(let ((start (point))
|
|
(sexp (condition-case nil
|
|
(read (current-buffer))
|
|
(end-of-file (throw 'found nil)))))
|
|
(when (and (listp sexp)
|
|
(eq (car sexp) symbol))
|
|
(delete-region start (point))
|
|
(unless first
|
|
(setq first (point)))))))
|
|
(if first
|
|
(goto-char first)
|
|
;; Move in front of local variables, otherwise long Custom
|
|
;; entries would make them ineffective.
|
|
(let ((pos (point-max))
|
|
(case-fold-search t))
|
|
(save-excursion
|
|
(goto-char (point-max))
|
|
(search-backward "\n\^L" (max (- (point-max) 3000) (point-min))
|
|
'move)
|
|
(when (search-forward "Local Variables:" nil t)
|
|
(setq pos (line-beginning-position))))
|
|
(goto-char pos)))))
|
|
|
|
(defun custom-save-variables ()
|
|
"Save all customized variables in `custom-file'."
|
|
(save-excursion
|
|
(custom-save-delete 'custom-set-variables)
|
|
(let ((standard-output (current-buffer))
|
|
(saved-list (make-list 1 0))
|
|
sort-fold-case)
|
|
;; First create a sorted list of saved variables.
|
|
(mapatoms
|
|
(lambda (symbol)
|
|
(if (get symbol 'saved-value)
|
|
(nconc saved-list (list symbol)))))
|
|
(setq saved-list (sort (cdr saved-list) 'string<))
|
|
(unless (bolp)
|
|
(princ "\n"))
|
|
(princ "(custom-set-variables
|
|
;; custom-set-variables was added by Custom.
|
|
;; If you edit it by hand, you could mess it up, so be careful.
|
|
;; Your init file should contain only one such instance.
|
|
;; If there is more than one, they won't work right.\n")
|
|
(mapcar
|
|
(lambda (symbol)
|
|
(let ((value (get symbol 'saved-value))
|
|
(requests (get symbol 'custom-requests))
|
|
(now (not (or (get symbol 'standard-value)
|
|
(and (not (boundp symbol))
|
|
(not (get symbol 'force-value))))))
|
|
(comment (get symbol 'saved-variable-comment))
|
|
sep)
|
|
(when (or value comment)
|
|
(unless (bolp)
|
|
(princ "\n"))
|
|
(princ " '(")
|
|
(prin1 symbol)
|
|
(princ " ")
|
|
(prin1 (car value))
|
|
(cond ((or now requests comment)
|
|
(princ " ")
|
|
(if now
|
|
(princ "t")
|
|
(princ "nil"))
|
|
(cond ((or requests comment)
|
|
(princ " ")
|
|
(if requests
|
|
(prin1 requests)
|
|
(princ "nil"))
|
|
(cond (comment
|
|
(princ " ")
|
|
(prin1 comment)
|
|
(princ ")"))
|
|
(t
|
|
(princ ")"))))
|
|
(t
|
|
(princ ")"))))
|
|
(t
|
|
(princ ")"))))))
|
|
saved-list)
|
|
(if (bolp)
|
|
(princ " "))
|
|
(princ ")")
|
|
(unless (looking-at "\n")
|
|
(princ "\n")))))
|
|
|
|
(defun custom-save-faces ()
|
|
"Save all customized faces in `custom-file'."
|
|
(save-excursion
|
|
(custom-save-delete 'custom-set-faces)
|
|
(let ((standard-output (current-buffer))
|
|
(saved-list (make-list 1 0))
|
|
sort-fold-case)
|
|
;; First create a sorted list of saved faces.
|
|
(mapatoms
|
|
(lambda (symbol)
|
|
(if (get symbol 'saved-face)
|
|
(nconc saved-list (list symbol)))))
|
|
(setq saved-list (sort (cdr saved-list) 'string<))
|
|
;; The default face must be first, since it affects the others.
|
|
(if (memq 'default saved-list)
|
|
(setq saved-list (cons 'default (delq 'default saved-list))))
|
|
(unless (bolp)
|
|
(princ "\n"))
|
|
(princ "(custom-set-faces
|
|
;; custom-set-faces was added by Custom.
|
|
;; If you edit it by hand, you could mess it up, so be careful.
|
|
;; Your init file should contain only one such instance.
|
|
;; If there is more than one, they won't work right.\n")
|
|
(mapcar
|
|
(lambda (symbol)
|
|
(let ((value (get symbol 'saved-face))
|
|
(now (not (or (get symbol 'face-defface-spec)
|
|
(and (not (custom-facep symbol))
|
|
(not (get symbol 'force-face))))))
|
|
(comment (get symbol 'saved-face-comment)))
|
|
;; Don't print default face here.
|
|
(unless (bolp)
|
|
(princ "\n"))
|
|
(princ " '(")
|
|
(prin1 symbol)
|
|
(princ " ")
|
|
(prin1 value)
|
|
(cond ((or now comment)
|
|
(princ " ")
|
|
(if now
|
|
(princ "t")
|
|
(princ "nil"))
|
|
(cond (comment
|
|
(princ " ")
|
|
(prin1 comment)
|
|
(princ ")"))
|
|
(t
|
|
(princ ")"))))
|
|
(t
|
|
(princ ")")))))
|
|
saved-list)
|
|
(if (bolp)
|
|
(princ " "))
|
|
(princ ")")
|
|
(unless (looking-at "\n")
|
|
(princ "\n")))))
|
|
|
|
;;;###autoload
|
|
(defun customize-save-customized ()
|
|
"Save all user options which have been set in this session."
|
|
(interactive)
|
|
(mapatoms (lambda (symbol)
|
|
(let ((face (get symbol 'customized-face))
|
|
(value (get symbol 'customized-value))
|
|
(face-comment (get symbol 'customized-face-comment))
|
|
(variable-comment
|
|
(get symbol 'customized-variable-comment)))
|
|
(when face
|
|
(put symbol 'saved-face face)
|
|
(put symbol 'customized-face nil))
|
|
(when value
|
|
(put symbol 'saved-value value)
|
|
(put symbol 'customized-value nil))
|
|
(when variable-comment
|
|
(put symbol 'saved-variable-comment variable-comment)
|
|
(put symbol 'customized-variable-comment nil))
|
|
(when face-comment
|
|
(put symbol 'saved-face-comment face-comment)
|
|
(put symbol 'customized-face-comment nil)))))
|
|
;; We really should update all custom buffers here.
|
|
(custom-save-all))
|
|
|
|
;;;###autoload
|
|
(defun custom-save-all ()
|
|
"Save all customizations in `custom-file'."
|
|
(let ((inhibit-read-only t))
|
|
(custom-save-variables)
|
|
(custom-save-faces)
|
|
(save-excursion
|
|
(let ((default-major-mode nil))
|
|
(set-buffer (find-file-noselect (custom-file))))
|
|
(let ((file-precious-flag t))
|
|
(save-buffer)))))
|
|
|
|
;;; The Customize Menu.
|
|
|
|
;;; Menu support
|
|
|
|
(defcustom custom-menu-nesting 2
|
|
"Maximum nesting in custom menus."
|
|
:type 'integer
|
|
:group 'custom-menu)
|
|
|
|
(defun custom-face-menu-create (widget symbol)
|
|
"Ignoring WIDGET, create a menu entry for customization face SYMBOL."
|
|
(vector (custom-unlispify-menu-entry symbol)
|
|
`(customize-face ',symbol)
|
|
t))
|
|
|
|
(defun custom-variable-menu-create (widget symbol)
|
|
"Ignoring WIDGET, create a menu entry for customization variable SYMBOL."
|
|
(let ((type (get symbol 'custom-type)))
|
|
(unless (listp type)
|
|
(setq type (list type)))
|
|
(if (and type (widget-get type :custom-menu))
|
|
(widget-apply type :custom-menu symbol)
|
|
(vector (custom-unlispify-menu-entry symbol)
|
|
`(customize-variable ',symbol)
|
|
t))))
|
|
|
|
;; Add checkboxes to boolean variable entries.
|
|
(widget-put (get 'boolean 'widget-type)
|
|
:custom-menu (lambda (widget symbol)
|
|
(vector (custom-unlispify-menu-entry symbol)
|
|
`(customize-variable ',symbol)
|
|
':style 'toggle
|
|
':selected symbol)))
|
|
|
|
(defun custom-group-menu-create (widget symbol)
|
|
"Ignoring WIDGET, create a menu entry for customization group SYMBOL."
|
|
`( ,(custom-unlispify-menu-entry symbol t)
|
|
:filter (lambda (&rest junk)
|
|
(let ((menu (custom-menu-create ',symbol)))
|
|
(if (consp menu) (cdr menu) menu)))))
|
|
|
|
;;;###autoload
|
|
(defun custom-menu-create (symbol)
|
|
"Create menu for customization group SYMBOL.
|
|
The menu is in a format applicable to `easy-menu-define'."
|
|
(let* ((item (vector (custom-unlispify-menu-entry symbol)
|
|
`(customize-group ',symbol)
|
|
t)))
|
|
(if (and (or (not (boundp 'custom-menu-nesting))
|
|
(>= custom-menu-nesting 0))
|
|
(< (length (get symbol 'custom-group)) widget-menu-max-size))
|
|
(let ((custom-prefix-list (custom-prefix-add symbol
|
|
custom-prefix-list))
|
|
(members (custom-sort-items (get symbol 'custom-group)
|
|
custom-menu-sort-alphabetically
|
|
custom-menu-order-groups)))
|
|
(custom-load-symbol symbol)
|
|
`(,(custom-unlispify-menu-entry symbol t)
|
|
,item
|
|
"--"
|
|
,@(mapcar (lambda (entry)
|
|
(widget-apply (if (listp (nth 1 entry))
|
|
(nth 1 entry)
|
|
(list (nth 1 entry)))
|
|
:custom-menu (nth 0 entry)))
|
|
members)))
|
|
item)))
|
|
|
|
;;;###autoload
|
|
(defun customize-menu-create (symbol &optional name)
|
|
"Return a customize menu for customization group SYMBOL.
|
|
If optional NAME is given, use that as the name of the menu.
|
|
Otherwise the menu will be named `Customize'.
|
|
The format is suitable for use with `easy-menu-define'."
|
|
(unless name
|
|
(setq name "Customize"))
|
|
`(,name
|
|
:filter (lambda (&rest junk)
|
|
(let ((menu (custom-menu-create ',symbol)))
|
|
(if (consp menu) (cdr menu) menu)))))
|
|
|
|
;;; The Custom Mode.
|
|
|
|
(defvar custom-mode-map nil
|
|
"Keymap for `custom-mode'.")
|
|
|
|
(unless custom-mode-map
|
|
;; This keymap should be dense, but a dense keymap would prevent inheriting
|
|
;; "\r" bindings from the parent map.
|
|
(setq custom-mode-map (make-sparse-keymap))
|
|
(set-keymap-parent custom-mode-map widget-keymap)
|
|
(suppress-keymap custom-mode-map)
|
|
(define-key custom-mode-map " " 'scroll-up)
|
|
(define-key custom-mode-map "\177" 'scroll-down)
|
|
(define-key custom-mode-map "q" 'Custom-buffer-done)
|
|
(define-key custom-mode-map "u" 'Custom-goto-parent)
|
|
(define-key custom-mode-map "n" 'widget-forward)
|
|
(define-key custom-mode-map "p" 'widget-backward)
|
|
(define-key custom-mode-map [mouse-1] 'Custom-move-and-invoke))
|
|
|
|
(defun Custom-move-and-invoke (event)
|
|
"Move to where you click, and if it is an active field, invoke it."
|
|
(interactive "e")
|
|
(mouse-set-point event)
|
|
(if (widget-event-point event)
|
|
(let* ((pos (widget-event-point event))
|
|
(button (get-char-property pos 'button)))
|
|
(if button
|
|
(widget-button-click event)))))
|
|
|
|
(easy-menu-define Custom-mode-menu
|
|
custom-mode-map
|
|
"Menu used in customization buffers."
|
|
`("Custom"
|
|
,(customize-menu-create 'customize)
|
|
["Set" Custom-set t]
|
|
["Save" Custom-save t]
|
|
["Reset to Current" Custom-reset-current t]
|
|
["Reset to Saved" Custom-reset-saved t]
|
|
["Reset to Standard Settings" Custom-reset-standard t]
|
|
["Info" (Info-goto-node "(emacs)Easy Customization") t]))
|
|
|
|
(defun Custom-goto-parent ()
|
|
"Go to the parent group listed at the top of this buffer.
|
|
If several parents are listed, go to the first of them."
|
|
(interactive)
|
|
(save-excursion
|
|
(goto-char (point-min))
|
|
(if (search-forward "\nGo to parent group: " nil t)
|
|
(let* ((button (get-char-property (point) 'button))
|
|
(parent (downcase (widget-get button :tag))))
|
|
(customize-group parent)))))
|
|
|
|
(defcustom custom-mode-hook nil
|
|
"Hook called when entering Custom mode."
|
|
:type 'hook
|
|
:group 'custom-buffer )
|
|
|
|
(defun custom-state-buffer-message (widget)
|
|
(if (eq (widget-get (widget-get widget :parent) :custom-state) 'modified)
|
|
(message "To install your edits, invoke [State] and choose the Set operation")))
|
|
|
|
(defun custom-mode ()
|
|
"Major mode for editing customization buffers.
|
|
|
|
The following commands are available:
|
|
|
|
Move to next button or editable field. \\[widget-forward]
|
|
Move to previous button or editable field. \\[widget-backward]
|
|
\\<widget-field-keymap>\
|
|
Complete content of editable text field. \\[widget-complete]
|
|
\\<custom-mode-map>\
|
|
Invoke button under the mouse pointer. \\[Custom-move-and-invoke]
|
|
Invoke button under point. \\[widget-button-press]
|
|
Set all modifications. \\[Custom-set]
|
|
Make all modifications default. \\[Custom-save]
|
|
Reset all modified options. \\[Custom-reset-current]
|
|
Reset all modified or set options. \\[Custom-reset-saved]
|
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Reset all options. \\[Custom-reset-standard]
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Entry to this mode calls the value of `custom-mode-hook'
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if that value is non-nil."
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(kill-all-local-variables)
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(setq major-mode 'custom-mode
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mode-name "Custom")
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(use-local-map custom-mode-map)
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(easy-menu-add Custom-mode-menu)
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(make-local-variable 'custom-options)
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(make-local-variable 'widget-documentation-face)
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(setq widget-documentation-face 'custom-documentation-face)
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(make-local-variable 'widget-button-face)
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(setq widget-button-face 'custom-button-face)
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(set (make-local-variable 'widget-button-pressed-face)
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'custom-button-pressed-face)
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(set (make-local-variable 'widget-mouse-face)
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'custom-button-pressed-face) ; buttons `depress' when moused
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;; When possible, use relief for buttons, not bracketing. This test
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;; may not be optimal.
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(when custom-raised-buttons
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(set (make-local-variable 'widget-push-button-prefix) "")
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(set (make-local-variable 'widget-push-button-suffix) "")
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(set (make-local-variable 'widget-link-prefix) "")
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(set (make-local-variable 'widget-link-suffix) ""))
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(add-hook 'widget-edit-functions 'custom-state-buffer-message nil t)
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(run-hooks 'custom-mode-hook))
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(put 'custom-mode 'mode-class 'special)
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|
|
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(add-to-list
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'debug-ignored-errors
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"^No user options have changed defaults in recent Emacs versions$")
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;;; The End.
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(provide 'cus-edit)
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;;; cus-edit.el ends here
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