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76c16af806
* cus-edit.el (custom-face-widget-to-spec) (custom-face-get-current-spec, custom-face-state): New functions. (custom-face-set, custom-face-mark-to-save) (custom-face-value-create, custom-face-state-set): Use them. * cus-theme.el (custom-theme--listed-faces): New var. (customize-create-theme): Use *Custom Theme* as the buffer name. Set revert-buffer-function. Optional arg BUFFER. Insert all faces listed in custom-theme--listed-faces. (custom-theme-revert): New function. (custom-theme-add-variable, custom-theme-add-face): Insert at the bottom of the list. (custom-theme-write): Prompt for theme name if empty. (custom-theme-write-variables): Use dolist. (custom-theme-write-faces): Handle hidden (collapsed) widgets.
460 lines
16 KiB
EmacsLisp
460 lines
16 KiB
EmacsLisp
;;; cus-theme.el -- custom theme creation user interface
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;;
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;; Copyright (C) 2001, 2002, 2003, 2004, 2005,
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;; 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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;;
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;; Author: Alex Schroeder <alex@gnu.org>
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;; Maintainer: FSF
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;; Keywords: help, faces
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;; Package: emacs
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Code:
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(require 'widget)
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(require 'cus-edit)
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(eval-when-compile
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(require 'wid-edit))
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(defvar custom-new-theme-mode-map
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(let ((map (make-keymap)))
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(set-keymap-parent map widget-keymap)
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(suppress-keymap map)
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(define-key map "n" 'widget-forward)
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(define-key map "p" 'widget-backward)
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map)
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"Keymap for `custom-new-theme-mode'.")
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(define-derived-mode custom-new-theme-mode nil "New-Theme"
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"Major mode for the buffer created by `customize-create-theme'.
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Do not call this mode function yourself. It is only meant for internal
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use by `customize-create-theme'."
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(use-local-map custom-new-theme-mode-map)
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(define-key custom-new-theme-mode-map [mouse-1] 'widget-move-and-invoke)
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(set (make-local-variable 'widget-documentation-face) 'custom-documentation)
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(set (make-local-variable 'widget-button-face) custom-button)
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(set (make-local-variable 'widget-button-pressed-face) custom-button-pressed)
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(set (make-local-variable 'widget-mouse-face) custom-button-mouse)
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(set (make-local-variable 'revert-buffer-function) 'custom-theme-revert)
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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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(put 'custom-new-theme-mode 'mode-class 'special)
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(defvar custom-theme-name nil)
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(defvar custom-theme-variables nil)
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(defvar custom-theme-faces nil)
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(defvar custom-theme-description nil)
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(defvar custom-theme-insert-variable-marker nil)
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(defvar custom-theme-insert-face-marker nil)
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(defvar custom-theme--listed-faces '(default fixed-pitch
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variable-pitch escape-glyph minibuffer-prompt highlight region
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shadow secondary-selection trailing-whitespace
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font-lock-builtin-face font-lock-comment-delimiter-face
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font-lock-comment-face font-lock-constant-face
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font-lock-doc-face font-lock-function-name-face
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font-lock-keyword-face font-lock-negation-char-face
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font-lock-preprocessor-face font-lock-regexp-grouping-backslash
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font-lock-regexp-grouping-construct font-lock-string-face
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font-lock-type-face font-lock-variable-name-face
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font-lock-warning-face button link link-visited fringe
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header-line tooltip mode-line mode-line-buffer-id
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mode-line-emphasis mode-line-highlight mode-line-inactive
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isearch isearch-fail lazy-highlight match next-error
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query-replace)
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"Faces listed by default in the *Custom Theme* buffer.")
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;;;###autoload
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(defun customize-create-theme (&optional buffer)
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"Create a custom theme.
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BUFFER, if non-nil, should be a buffer to use."
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(interactive)
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(switch-to-buffer (or buffer (generate-new-buffer "*Custom Theme*")))
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;; Save current faces
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(let ((inhibit-read-only t))
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(erase-buffer))
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(custom-new-theme-mode)
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(make-local-variable 'custom-theme-name)
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(set (make-local-variable 'custom-theme-faces) nil)
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(set (make-local-variable 'custom-theme-variables) nil)
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(set (make-local-variable 'custom-theme-description) "")
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(make-local-variable 'custom-theme-insert-face-marker)
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(make-local-variable 'custom-theme-insert-variable-marker)
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(make-local-variable 'custom-theme--listed-faces)
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(widget-create 'push-button
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:tag " Visit Theme "
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:help-echo "Insert the settings of a pre-defined theme."
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:action (lambda (widget &optional event)
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(call-interactively 'custom-theme-visit-theme)))
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(widget-insert " ")
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(widget-create 'push-button
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:tag " Merge Theme "
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:help-echo "Merge in the settings of a pre-defined theme."
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:action (lambda (widget &optional event)
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(call-interactively 'custom-theme-merge-theme)))
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(widget-insert " ")
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(widget-create 'push-button :notify 'revert-buffer " Revert ")
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(widget-insert "\n\nTheme name : ")
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(setq custom-theme-name
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(widget-create 'editable-field))
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(widget-insert "Description: ")
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(setq custom-theme-description
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(widget-create 'text
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:value (format-time-string "Created %Y-%m-%d.")))
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(widget-insert " ")
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(widget-create 'push-button
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:notify (function custom-theme-write)
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" Save Theme ")
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;; Face widgets
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(widget-insert "\n\n Theme faces:\n")
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(let (widget)
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(dolist (face custom-theme--listed-faces)
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(widget-insert " ")
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(setq widget (widget-create 'custom-face
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:documentation-shown t
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:tag (custom-unlispify-tag-name face)
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:value face
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:display-style 'concise
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:custom-state 'hidden
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:sample-indent 34))
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(custom-magic-reset widget)
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(push (cons face widget) custom-theme-faces)))
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(insert " ")
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(setq custom-theme-insert-face-marker (point-marker))
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(insert " ")
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(widget-create 'push-button
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:tag "Insert Additional Face"
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:help-echo "Add another face to this theme."
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:follow-link 'mouse-face
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:button-face 'custom-link
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:mouse-face 'highlight
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:pressed-face 'highlight
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:action (lambda (widget &optional event)
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(call-interactively 'custom-theme-add-face)))
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(widget-insert "\n\n Theme variables:\n ")
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(setq custom-theme-insert-variable-marker (point-marker))
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(widget-insert ?\s)
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(widget-create 'push-button
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:tag "Insert Variable"
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:help-echo "Add another variable to this theme."
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:follow-link 'mouse-face
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:button-face 'custom-link
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:mouse-face 'highlight
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:pressed-face 'highlight
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:action (lambda (widget &optional event)
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(call-interactively 'custom-theme-add-variable)))
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(widget-insert ?\n)
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(widget-setup)
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(goto-char (point-min))
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(message ""))
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(defun custom-theme-revert (ignore-auto noconfirm)
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(when (or noconfirm (y-or-n-p "Discard current changes? "))
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(erase-buffer)
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(customize-create-theme (current-buffer))))
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;;; Theme variables
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(defun custom-theme-add-variable (symbol)
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(interactive "vVariable name: ")
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(cond ((assq symbol custom-theme-variables)
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(message "%s is already in the theme" (symbol-name symbol)))
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((not (boundp symbol))
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(message "%s is not defined as a variable" (symbol-name symbol)))
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((eq symbol 'custom-enabled-themes)
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(message "Custom theme cannot contain `custom-enabled-themes'"))
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(t
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(save-excursion
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(goto-char custom-theme-insert-variable-marker)
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(widget-insert " ")
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(let ((widget (widget-create 'custom-variable
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:tag (custom-unlispify-tag-name symbol)
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:custom-level 0
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:action 'custom-theme-variable-action
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:custom-state 'unknown
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:value symbol)))
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(push (cons symbol widget) custom-theme-variables)
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(custom-magic-reset widget))
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(widget-insert " ")
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(move-marker custom-theme-insert-variable-marker (point))
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(widget-setup)))))
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(defvar custom-theme-variable-menu
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`(("Reset to Current" custom-redraw
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(lambda (widget)
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(and (boundp (widget-value widget))
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(memq (widget-get widget :custom-state)
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'(themed modified changed)))))
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("Reset to Theme Value" custom-variable-reset-theme
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(lambda (widget)
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(let ((theme (intern (widget-value custom-theme-name)))
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(symbol (widget-value widget))
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found)
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(and (custom-theme-p theme)
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(dolist (setting (get theme 'theme-settings) found)
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(if (and (eq (cadr setting) symbol)
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(eq (car setting) 'theme-value))
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(setq found t)))))))
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("---" ignore ignore)
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("Delete" custom-theme-delete-variable nil))
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"Alist of actions for the `custom-variable' widget in Custom Theme Mode.
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See the documentation for `custom-variable'.")
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(defun custom-theme-variable-action (widget &optional event)
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"Show the Custom Theme Mode menu for a `custom-variable' widget.
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Optional EVENT is the location for the menu."
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(let ((custom-variable-menu custom-theme-variable-menu))
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(custom-variable-action widget event)))
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(defun custom-variable-reset-theme (widget)
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"Reset WIDGET to its value for the currently edited theme."
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(let ((theme (intern (widget-value custom-theme-name)))
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(symbol (widget-value widget))
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found)
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(dolist (setting (get theme 'theme-settings))
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(if (and (eq (cadr setting) symbol)
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(eq (car setting) 'theme-value))
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(setq found setting)))
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(widget-value-set (car (widget-get widget :children))
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(nth 3 found)))
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(widget-put widget :custom-state 'themed)
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(custom-redraw-magic widget)
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(widget-setup))
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(defun custom-theme-delete-variable (widget)
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(setq custom-theme-variables
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(assq-delete-all (widget-value widget) custom-theme-variables))
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(widget-delete widget))
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;;; Theme faces
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(defun custom-theme-add-face (symbol)
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(interactive (list (read-face-name "Face name" nil nil)))
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(cond ((assq symbol custom-theme-faces)
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(message "%s is already in the theme" (symbol-name symbol)))
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((not (facep symbol))
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(message "%s is not defined as a face" (symbol-name symbol)))
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(t
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(save-excursion
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(goto-char custom-theme-insert-face-marker)
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(widget-insert " ")
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(let ((widget (widget-create 'custom-face
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:tag (custom-unlispify-tag-name symbol)
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:custom-level 0
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:action 'custom-theme-face-action
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:custom-state 'unknown
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:display-style 'concise
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:sample-indent 34
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:value symbol)))
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(push (cons symbol widget) custom-theme-faces)
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(custom-magic-reset widget)
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(widget-insert " ")
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(move-marker custom-theme-insert-face-marker (point))
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(widget-setup))))))
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(defvar custom-theme-face-menu
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`(("Reset to Theme Value" custom-face-reset-theme
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(lambda (widget)
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(let ((theme (intern (widget-value custom-theme-name)))
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(symbol (widget-value widget))
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found)
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(and (custom-theme-p theme)
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(dolist (setting (get theme 'theme-settings) found)
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(if (and (eq (cadr setting) symbol)
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(eq (car setting) 'theme-face))
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(setq found t)))))))
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("---" ignore ignore)
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("Delete" custom-theme-delete-face nil))
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"Alist of actions for the `custom-variable' widget in Custom Theme Mode.
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See the documentation for `custom-variable'.")
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(defun custom-theme-face-action (widget &optional event)
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"Show the Custom Theme Mode menu for a `custom-face' widget.
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Optional EVENT is the location for the menu."
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(let ((custom-face-menu custom-theme-face-menu))
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(custom-face-action widget event)))
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(defun custom-face-reset-theme (widget)
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"Reset WIDGET to its value for the currently edited theme."
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(let ((theme (intern (widget-value custom-theme-name)))
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(symbol (widget-value widget))
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found)
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(dolist (setting (get theme 'theme-settings))
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(if (and (eq (cadr setting) symbol)
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(eq (car setting) 'theme-face))
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(setq found setting)))
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(widget-value-set (car (widget-get widget :children))
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(nth 3 found)))
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(widget-put widget :custom-state 'themed)
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(custom-redraw-magic widget)
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(widget-setup))
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(defun custom-theme-delete-face (widget)
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(setq custom-theme-faces
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(assq-delete-all (widget-value widget) custom-theme-faces))
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(widget-delete widget))
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;;; Reading and writing
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(defun custom-theme-visit-theme ()
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(interactive)
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(when (or (and (null custom-theme-variables)
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(null custom-theme-faces))
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(and (y-or-n-p "Discard current changes? ")
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(progn (revert-buffer) t)))
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(let ((theme (call-interactively 'custom-theme-merge-theme)))
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(unless (eq theme 'user)
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(widget-value-set custom-theme-name (symbol-name theme)))
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(widget-value-set custom-theme-description
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(or (get theme 'theme-documentation)
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(format-time-string "Created %Y-%m-%d.")))
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(widget-setup))))
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(defun custom-theme-merge-theme (theme)
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(interactive "SCustom theme name: ")
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(unless (eq theme 'user)
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(load-theme theme))
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(let ((settings (get theme 'theme-settings)))
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(dolist (setting settings)
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(if (eq (car setting) 'theme-value)
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(custom-theme-add-variable (cadr setting))
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(custom-theme-add-face (cadr setting)))))
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(disable-theme theme)
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theme)
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(defun custom-theme-write (&rest ignore)
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(let* ((name (widget-value custom-theme-name))
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(doc (widget-value custom-theme-description))
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(vars custom-theme-variables)
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(faces custom-theme-faces)
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filename)
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(when (string-equal name "")
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(setq name (read-from-minibuffer "Theme name: " (user-login-name)))
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(widget-value-set custom-theme-name name))
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(cond ((or (string-equal name "")
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(string-equal name "user")
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(string-equal name "changed"))
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(error "Custom themes cannot be named `%s'" name))
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((string-match " " name)
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(error "Custom theme names should not contain spaces")))
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(setq filename (expand-file-name (concat name "-theme.el")
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custom-theme-directory))
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(and (file-exists-p filename)
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(not (y-or-n-p (format "File %s exists. Overwrite? " filename)))
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(error "Aborted"))
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(with-temp-buffer
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(emacs-lisp-mode)
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(unless (file-exists-p custom-theme-directory)
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(make-directory (file-name-as-directory custom-theme-directory) t))
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(setq buffer-file-name filename)
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(erase-buffer)
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(insert "(deftheme " name)
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(if doc (insert "\n \"" doc "\""))
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(insert ")\n")
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(custom-theme-write-variables name vars)
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(custom-theme-write-faces name faces)
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(insert "\n(provide-theme '" name ")\n")
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(save-buffer))
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(dolist (var vars)
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(when (widget-get (cdr var) :children)
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(widget-put (cdr var) :custom-state 'saved)
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(custom-redraw-magic (cdr var))))
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(dolist (face custom-theme-faces)
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(when (widget-get (cdr face) :children)
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(widget-put (cdr face) :custom-state 'saved)
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(custom-redraw-magic (cdr face))))))
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(defun custom-theme-write-variables (theme vars)
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"Write a `custom-theme-set-variables' command for THEME.
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It includes all variables in list VARS."
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(when vars
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(let ((standard-output (current-buffer)))
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(princ "\n(custom-theme-set-variables\n")
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(princ " '")
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(princ theme)
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(princ "\n")
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(dolist (spec vars)
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(let* ((symbol (car spec))
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(child (car-safe (widget-get (cdr spec) :children)))
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(value (if child
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(widget-value child)
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;; For hidden widgets, use the standard value
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(get symbol 'standard-value))))
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(when (boundp symbol)
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(unless (bolp)
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(princ "\n"))
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(princ " '(")
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(prin1 symbol)
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(princ " ")
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(prin1 (custom-quote value))
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(princ ")"))))
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(if (bolp)
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(princ " "))
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(princ ")")
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(unless (looking-at "\n")
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(princ "\n")))))
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(defun custom-theme-write-faces (theme faces)
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"Write a `custom-theme-set-faces' command for THEME.
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It includes all faces in list FACES."
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(when faces
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(let ((standard-output (current-buffer)))
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(princ "\n(custom-theme-set-faces\n")
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(princ " '")
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(princ theme)
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(princ "\n")
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(dolist (spec faces)
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(let* ((symbol (car spec))
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(widget (cdr spec))
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(child (car-safe (widget-get widget :children)))
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(state (if child
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(widget-get widget :custom-state)
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(custom-face-state symbol)))
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(value
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(cond ((eq state 'standard)
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nil) ; do nothing
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(child
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(custom-face-widget-to-spec widget))
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(t
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;; Widget is closed (hidden), but the face has
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;; a non-standard value. Try to extract that
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;; value and save it.
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(custom-face-get-current-spec symbol)))))
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(when (and (facep symbol) value)
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(if (bolp)
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(princ " '(")
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(princ "\n '("))
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(prin1 symbol)
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(princ " ")
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(prin1 value)
|
|
(princ ")"))))
|
|
(if (bolp)
|
|
(princ " "))
|
|
(princ ")")
|
|
(unless (looking-at "\n")
|
|
(princ "\n")))))
|
|
|
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;; arch-tag: cd6919bc-63af-410e-bae2-b6702e762344
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;;; cus-theme.el ends here
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