;;; helm-color.el --- colors and faces -*- lexical-binding: t -*-
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;; Copyright (C) 2012 ~ 2018 Thierry Volpiatto <thierry.volpiatto@gmail.com>
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;; This program 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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;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Code:
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(require 'cl-lib)
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(require 'helm)
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(require 'helm-help)
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(require 'helm-elisp)
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;;; Customize Face
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;;
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;;
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(defun helm-custom-faces-init ()
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"Initialize buffer for `helm-source-customize-face'."
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(unless (helm-candidate-buffer)
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(save-selected-window
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(list-faces-display)
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(message nil))
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(helm-init-candidates-in-buffer
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'global
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(with-current-buffer (get-buffer "*Faces*")
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(buffer-substring
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(next-single-char-property-change (point-min) 'face)
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(point-max))))
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(kill-buffer "*Faces*")))
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(defvar helm-source-customize-face
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(helm-build-in-buffer-source "Customize Face"
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:init 'helm-custom-faces-init
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:get-line 'buffer-substring
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:persistent-action (lambda (candidate)
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(helm-elisp--persistent-help
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(intern (car (split-string candidate)))
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'helm-describe-face))
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:persistent-help "Describe face"
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:action '(("Customize"
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. (lambda (line)
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(customize-face (intern (car (split-string line))))))
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("Copy name"
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. (lambda (line)
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(kill-new (car (split-string line " " t)))))))
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"See (info \"(emacs)Faces\")")
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;;; Colors browser
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;;
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;;
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(defun helm-colors-init ()
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(unless (helm-candidate-buffer)
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(save-selected-window
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(list-colors-display)
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(message nil))
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(helm-init-candidates-in-buffer
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'global
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(with-current-buffer (get-buffer "*Colors*")
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(buffer-string)))
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(kill-buffer "*Colors*")))
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(defun helm-color-insert-name (candidate)
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(with-helm-current-buffer
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(insert (helm-colors-get-name candidate))))
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(defun helm-color-kill-name (candidate)
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(kill-new (helm-colors-get-name candidate)))
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(defun helm-color-insert-rgb (candidate)
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(with-helm-current-buffer
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(insert (helm-colors-get-rgb candidate))))
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(defun helm-color-kill-rgb (candidate)
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(kill-new (helm-colors-get-rgb candidate)))
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(defun helm-color-run-insert-name ()
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"Insert name of color from `helm-source-colors'"
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(interactive)
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(with-helm-alive-p (helm-exit-and-execute-action 'helm-color-insert-name)))
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(put 'helm-color-run-insert-name 'helm-only t)
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(defun helm-color-run-kill-name ()
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"Kill name of color from `helm-source-colors'"
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(interactive)
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(with-helm-alive-p (helm-exit-and-execute-action 'helm-color-kill-name)))
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(put 'helm-color-run-kill-name 'helm-only t)
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(defun helm-color-run-insert-rgb ()
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"Insert RGB of color from `helm-source-colors'"
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(interactive)
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(with-helm-alive-p (helm-exit-and-execute-action 'helm-color-insert-rgb)))
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(put 'helm-color-run-insert-rgb 'helm-only t)
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(defun helm-color-run-kill-rgb ()
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"Kill RGB of color from `helm-source-colors'"
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(interactive)
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(with-helm-alive-p (helm-exit-and-execute-action 'helm-color-kill-rgb)))
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(put 'helm-color-run-kill-rgb 'helm-only t)
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(defvar helm-color-map
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map helm-map)
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(define-key map (kbd "C-c n") 'helm-color-run-insert-name)
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(define-key map (kbd "C-c N") 'helm-color-run-kill-name)
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(define-key map (kbd "C-c r") 'helm-color-run-insert-rgb)
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(define-key map (kbd "C-c R") 'helm-color-run-kill-rgb)
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map))
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(defvar helm-source-colors
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(helm-build-in-buffer-source "Colors"
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:init 'helm-colors-init
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:get-line 'buffer-substring
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:keymap helm-color-map
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:persistent-help "Kill entry in RGB format."
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:persistent-action 'helm-color-kill-rgb
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:help-message 'helm-colors-help-message
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:action
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'(("Copy Name (C-c N)" . helm-color-kill-name)
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("Copy RGB (C-c R)" . helm-color-kill-rgb)
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("Insert Name (C-c n)" . helm-color-insert-name)
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("Insert RGB (C-c r)" . helm-color-insert-rgb))))
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(defun helm-colors-get-name (candidate)
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"Get color name."
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(replace-regexp-in-string
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" " ""
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(with-temp-buffer
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(insert (capitalize candidate))
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(goto-char (point-min))
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(search-forward-regexp "\\s-\\{2,\\}")
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(delete-region (point) (point-max))
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(buffer-string))))
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(defun helm-colors-get-rgb (candidate)
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"Get color RGB."
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(replace-regexp-in-string
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" " ""
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(with-temp-buffer
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(insert (capitalize candidate))
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(goto-char (point-max))
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(search-backward-regexp "\\s-\\{2,\\}")
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(delete-region (point) (point-min))
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(buffer-string))))
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;;;###autoload
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(defun helm-colors ()
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"Preconfigured `helm' for color."
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(interactive)
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(helm :sources '(helm-source-colors helm-source-customize-face)
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:buffer "*helm colors*"))
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(provide 'helm-color)
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;; Local Variables:
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;; byte-compile-warnings: (not obsolete)
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;; coding: utf-8
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;; indent-tabs-mode: nil
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;; End:
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;;; helm-color.el ends here
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