120 lines
4.2 KiB
EmacsLisp
120 lines
4.2 KiB
EmacsLisp
;;; funcs.el --- Colors Layer functions File
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;;
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;; Copyright (c) 2012-2017 Sylvain Benner & Contributors
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;;
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;; Author: Sylvain Benner <sylvain.benner@gmail.com>
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;; URL: https://github.com/syl20bnr/spacemacs
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;;
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;; This file is not part of GNU Emacs.
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;;
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;;; License: GPLv3
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;; rainbow-identifiers
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(defun colors//rainbow-identifiers-mode-maybe ()
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"Enable rainbow identifiers if the major mode is a prog mode."
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(when (derived-mode-p 'prog-mode)
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(rainbow-identifiers-mode)))
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(defun colors//tweak-theme-colors (theme)
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"Tweak color themes by adjusting rainbow-identifiers."
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(interactive)
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;; tweak the saturation and lightness of identifier colors
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(when (not (assq theme (get 'rainbow-identifiers-cie-l*a*b*-saturation
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'theme-value)))
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(let ((sat&light (assq theme colors-theme-identifiers-sat&light)))
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(if sat&light
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(setq rainbow-identifiers-cie-l*a*b*-saturation (cadr sat&light)
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rainbow-identifiers-cie-l*a*b*-lightness (caddr sat&light))
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;; default
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(setq rainbow-identifiers-cie-l*a*b*-saturation 80
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rainbow-identifiers-cie-l*a*b*-lightness 45)))))
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(defun colors//change-color-mini-mode-doc (component)
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"Display a short documentation in the mini buffer."
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(let ((var (intern (format
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"rainbow-identifiers-cie-l*a*b*-%s" component))))
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(spacemacs/echo "Change color %s mini-mode (value: %s)
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+ to increase %s
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- to decrease %s
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= to reset
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Press any other key to exit." component (eval var) component component)))
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(defun colors/change-color-component-overlay-map (component)
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"Set a temporary overlay map to easily change a color COMPONENT from
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rainbow-identifier mode. The color COMPONENT can be 'saturation' or
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'lightness'."
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(set-temporary-overlay-map
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(let ((map (make-sparse-keymap))
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(up-func (intern (format "colors/change-color-%s-up" component)))
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(down-func (intern (format "colors/change-color-%s-down" component)))
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(reset-func (intern (format "colors/change-color-%s-reset" component))))
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(define-key map (kbd "+") up-func)
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(define-key map (kbd "-") down-func)
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(define-key map (kbd "=") reset-func)
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map) t)
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(colors//change-color-mini-mode-doc component))
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(defun colors/init-rainbow-mode ()
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(use-package rainbow-mode
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:commands rainbow-mode
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:init (spacemacs/set-leader-keys "tCc" 'rainbow-mode)
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:config (spacemacs|hide-lighter rainbow-mode)))
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(defun colors/start-change-color-saturation ()
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"Initiate the overlay map to change the saturation."
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(interactive)
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(colors/change-color-component-overlay-map "saturation"))
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(defun colors/change-color-saturation-up ()
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"Increase the saturation by 5 units."
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(interactive)
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(colors//change-color-component-func "saturation" 5))
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(defun colors/change-color-saturation-down ()
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"Decrease the saturation by 5 units."
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(interactive)
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(colors//change-color-component-func "saturation" -5))
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(defun colors/change-color-saturation-reset ()
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"Reset the saturation to 100."
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(interactive)
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(colors//change-color-component-func "saturation" 100 t))
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(defun colors/start-change-color-lightness ()
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"Initiate the overlay map to change the lightness."
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(interactive)
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(colors/change-color-component-overlay-map "lightness"))
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(defun colors/change-color-lightness-up ()
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"Increase the lightness by 5 units."
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(interactive)
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(colors//change-color-component-func "lightness" 5))
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(defun colors/change-color-lightness-down ()
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"Decrease the lightness by 5 units."
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(interactive)
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(colors//change-color-component-func "lightness" -5))
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(defun colors/change-color-lightness-reset ()
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"Reset the lightness to 40."
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(interactive)
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(colors//change-color-component-func "lightness" 40 t))
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(defun colors//change-color-component-func
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(component inc &optional reset)
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"Change the color component by adding INC value to it. If RESET is not
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nil the color component is set to INC."
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(let* ((var (intern (format
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"rainbow-identifiers-cie-l*a*b*-%s" component)))
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(new-value (+ (eval var) inc)))
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(if reset
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(set var inc)
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(progn
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(if (< new-value 0)
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(setq new-value 0))
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(set var new-value)))
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(font-lock-fontify-buffer)
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(colors/change-color-component-overlay-map component)))
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