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author | 2010-10-05 11:32:29 +0200 | |
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committer | 2010-10-05 11:32:29 +0200 | |
commit | bd1b8554c2b98cc211e9714fbb4d3b9c5e57526b (patch) | |
tree | 1b824e34130619033df5d0fa07ff0ec08507c2a2 /dotemacs/.emacs.d/rainbow-mode.el | |
parent | 59da8f9c06b615834e31d1838f39eafa4de02eb3 (diff) | |
parent | da733711d47de1a34d591268d821a3687cbdbd07 (diff) | |
download | dotfiles-bd1b8554c2b98cc211e9714fbb4d3b9c5e57526b.tar.gz dotfiles-bd1b8554c2b98cc211e9714fbb4d3b9c5e57526b.zip |
Merge branch 'fix-dotemacs'
Diffstat (limited to 'dotemacs/.emacs.d/rainbow-mode.el')
-rw-r--r-- | dotemacs/.emacs.d/rainbow-mode.el | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/dotemacs/.emacs.d/rainbow-mode.el b/dotemacs/.emacs.d/rainbow-mode.el deleted file mode 100644 index 8207abc..0000000 --- a/dotemacs/.emacs.d/rainbow-mode.el +++ /dev/null @@ -1,207 +0,0 @@ -;;; rainbow-mode.el --- prints color strings with colored background - -;; Copyright (C) 2010 Julien Danjou - -;; Author: Julien Danjou <julien@danjou.info> -;; Keywords: strings, faces - -;; This file is NOT part of GNU Emacs. - -;; GNU Emacs is free software: you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation, either version 3 of the License, or -;; (at your option) any later version. - -;; GNU Emacs is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. - -;;; Commentary: -;; This minor mode will add background to strings that matches color names. -;; i.e. -;; #0000ff -;; Will be printed in white with a blue background. -;; - -;;; Code: - -(eval-when-compile - (require 'cl)) - -(require 'regexp-opt) -(require 'faces) - -(defgroup rainbow nil - "Show color strings with a background color." - :tag "Rainbow" - :group 'help) - -;; Hexadecimal colors -(defvar rainbow-hexadecimal-colors-font-lock-keywords - '("#[0-9a-fA-F]\\{3\\}[0-9a-fA-F]\\{3\\}?" - (0 (rainbow-colorize-itself))) - "Font-lock keywords to add for hexadecimal colors.") - -;; rgb() colors -(defvar rainbow-html-rgb-colors-font-lock-keywords - '(("rgb(\s*\\([0-9]\\{1,3\\}\\(?:\s*%\\)?\\)\s*,\s*\\([0-9]\\{1,3\\}\\(?:\s*%\\)?\\)\s*,\s*\\([0-9]\\{1,3\\}\\(?:\s*%\\)?\\)\s*)" - (0 (rainbow-colorize-rgb))) - ("rgba(\s*\\([0-9]\\{1,3\\}\\(?:\s*%\\)?\\)\s*,\s*\\([0-9]\\{1,3\\}\\(?:\s*%\\)?\\)\s*,\s*\\([0-9]\\{1,3\\}\\(?:\s*%\\)?\\)\s*,\s*[0-9]\\{1,3\\}\s*%?\s*)" - (0 (rainbow-colorize-rgb)))) - "Font-lock keywords to add for RGB colors.") - -;; HTML colors name -(defvar rainbow-html-colors-font-lock-keywords nil - "Font-lock keywords to add for HTML colors.") -(make-variable-buffer-local 'rainbow-html-colors-font-lock-keywords) - -(defcustom rainbow-html-colors-alist - '(("black" . "#000000") - ("silver" . "#C0C0C0") - ("gray" . "#808080") - ("white" . "#FFFFFF") - ("maroon" . "#800000") - ("red" . "#FF0000") - ("purple" . "#800080") - ("fuchsia" . "#FF00FF") - ("green" . "#008000") - ("lime" . "#00FF00") - ("olive" . "#808000") - ("yellow" . "#FFFF00") - ("navy" . "#000080") - ("blue" . "#0000FF") - ("teal" . "#008080") - ("aqua" . "#00FFFF")) - "Alist of HTML colors. -Each entry should have the form (COLOR-NAME . HEXADECIMAL-COLOR)." - :group 'rainbow) - -(defcustom rainbow-html-colors-major-mode-list - '(html-mode css-mode php-mode nxml-mode xml-mode) - "List of major mode where HTML colors are enabled when -`rainbow-html-colors' is set to auto." - :group 'rainbow) - -(defcustom rainbow-html-colors 'auto - "When to enable HTML colors. -If set to t, the HTML colors will be enabled. If set to nil, the -HTML colors will not be enabled. If set to auto, the HTML colors -will be enabled if a major mode has been detected from the -`rainbow-html-colors-major-mode-list'." - :group 'rainbow) - -;; X colors -(defvar rainbow-x-colors-font-lock-keywords - `(,(regexp-opt (x-defined-colors) 'words) - (0 (rainbow-colorize-itself))) - "Font-lock keywords to add for X colors.") - -(defcustom rainbow-x-colors-major-mode-list - '(emacs-lisp-mode lisp-interaction-mode c-mode c++-mode java-mode) - "List of major mode where X colors are enabled when -`rainbow-x-colors' is set to auto." - :group 'rainbow) - -(defcustom rainbow-x-colors 'auto - "When to enable X colors. -If set to t, the X colors will be enabled. If set to nil, the -X colors will not be enabled. If set to auto, the X colors -will be enabled if a major mode has been detected from the -`rainbow-x-colors-major-mode-list'." - :group 'rainbow) - -;; Functions -(defun rainbow-colorize-match (color) - "Return a matched string propertized with a face whose -background is COLOR. The foreground is computed using -`rainbow-color-luminance', and is either white or black." - (put-text-property - (match-beginning 0) (match-end 0) - 'face `((:foreground ,(if (> 128.0 (rainbow-x-color-luminance color)) - "white" "black")) - (:background ,color)))) - -(defun rainbow-colorize-itself () - "Colorize a match with itself." - (rainbow-colorize-match (match-string-no-properties 0))) - -(defun rainbow-colorize-by-assoc (assoc-list) - "Colorize a match with its association from ASSOC-LIST." - (rainbow-colorize-match (cdr (assoc (match-string-no-properties 0) assoc-list)))) - -(defun rainbow-rgb-relative-to-absolute (number) - "Convert a relative NUMBER to absolute. If NUMBER is absolute, return NUMBER. -This will convert \"80 %\" to 204, \"100 %\" to 255 but \"123\" to \"123\"" - (let ((string-length (- (length number) 1))) - ;; Is this a number with %? - (if (eq (elt number string-length) ?%) - (/ (* (string-to-number (substring number 0 string-length)) 255) 100) - (string-to-number number)))) - -(defun rainbow-colorize-rgb () - "Colorize a match with itself." - (let ((r (rainbow-rgb-relative-to-absolute (match-string-no-properties 1))) - (g (rainbow-rgb-relative-to-absolute (match-string-no-properties 2))) - (b (rainbow-rgb-relative-to-absolute (match-string-no-properties 3)))) - (rainbow-colorize-match (format "#%02X%02X%02X" r g b)))) - -(defun rainbow-color-luminance (red green blue) - "Calculate the luminance of color composed of RED, BLUE and GREEN." - (floor (+ (* .2126 red) (* .7152 green) (* .0722 blue)) 256)) - -(defun rainbow-x-color-luminance (color) - "Calculate the luminance of a color string (e.g. \"#ffaa00\", \"blue\")." - (let* ((values (x-color-values color)) - (r (car values)) - (g (cadr values)) - (b (caddr values))) - (rainbow-color-luminance r g b))) - -(defun rainbow-turn-on () - "Turn on raibow-mode." - (font-lock-add-keywords nil - (list rainbow-hexadecimal-colors-font-lock-keywords)) - ;; Activate X colors? - (when (or (eq rainbow-x-colors t) - (and (eq rainbow-x-colors 'auto) - (memq major-mode rainbow-x-colors-major-mode-list))) - (font-lock-add-keywords nil - (list rainbow-x-colors-font-lock-keywords))) - ;; Activate HTML colors? - (when (or (eq rainbow-html-colors t) - (and (eq rainbow-html-colors 'auto) - (memq major-mode rainbow-html-colors-major-mode-list))) - (setq rainbow-html-colors-font-lock-keywords - `(,(regexp-opt (mapcar 'car rainbow-html-colors-alist) 'words) - (0 (rainbow-colorize-by-assoc rainbow-html-colors-alist)))) - (font-lock-add-keywords nil - `(,rainbow-html-colors-font-lock-keywords - ,@rainbow-html-rgb-colors-font-lock-keywords)))) - -(defun rainbow-turn-off () - "Turn off rainbow-mode." - (font-lock-remove-keywords - nil - (list - rainbow-hexadecimal-colors-font-lock-keywords - rainbow-html-colors-font-lock-keywords - rainbow-x-colors-font-lock-keywords - rainbow-html-rgb-colors-font-lock-keywords))) - -;;;###autoload -(define-minor-mode rainbow-mode - "Colorize strings that represent colors. -This will fontify with colors the string like \"#aabbcc\" or \"blue\"" - :lighter " Rbow" - (progn - (if rainbow-mode - (rainbow-turn-on) - (rainbow-turn-off)) - ;; Turn on font lock - (font-lock-mode 1))) - -(provide 'rainbow-mode) |