111 lines
5.1 KiB
EmacsLisp
111 lines
5.1 KiB
EmacsLisp
(defvar syl20bnr-packages
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'(
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rainbow-identifiers
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)
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"List of all packages to install and/or initialize. Built-in packages
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which require an initialization must be listed explicitly in the list.")
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(defun syl20bnr/init-rainbow-identifiers ()
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(use-package rainbow-identifiers
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:commands rainbow-identifiers-mode
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:init
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(progn
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(setq rainbow-identifiers-choose-face-function 'rainbow-identifiers-cie-l*a*b*-choose-face
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rainbow-identifiers-cie-l*a*b*-saturation 100
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rainbow-identifiers-cie-l*a*b*-lightness 40
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;; override theme faces
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rainbow-identifiers-faces-to-override '(highlight-quoted-symbol
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font-lock-variable-name-face))
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(add-to-hooks 'rainbow-identifiers-mode '(prog-mode-hook
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erlang-mode-hook))
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(defun syl20bnr/tweak-theme-colors (theme)
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"Tweak color themes by adjusting rainbow-identifiers colors settings an by
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disabling some faces in order to make colored identifiers stand out."
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(interactive)
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(pcase theme
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(`solarized-dark (setq rainbow-identifiers-cie-l*a*b*-saturation 85
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rainbow-identifiers-cie-l*a*b*-lightness 65))
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(`solarized-light (setq rainbow-identifiers-cie-l*a*b*-saturation 100
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rainbow-identifiers-cie-l*a*b*-lightness 40))
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(`monokai (setq rainbow-identifiers-cie-l*a*b*-saturation 55
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rainbow-identifiers-cie-l*a*b*-lightness 60))
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(`zenburn (setq rainbow-identifiers-cie-l*a*b*-saturation 40
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rainbow-identifiers-cie-l*a*b*-lightness 65))
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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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;; To make the variables stand out, keyword coloring is disabled
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;; (set-face-attribute 'highlight-quoted-symbol nil
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;; :foreground nil :slant 'normal :weight 'bold)
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(set-face-attribute 'font-lock-function-name-face nil
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:foreground nil :slant 'normal :weight 'normal)
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(set-face-attribute 'font-lock-keyword-face nil
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:foreground nil :slant 'normal :weight 'bold)
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(font-lock-fontify-buffer)))
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(syl20bnr/tweak-theme-colors spacemacs-cur-theme)
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(defadvice spacemacs/post-theme-init (after syl20bnr/post-theme-init activate)
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"Adjust lightness and brightness of rainbow-identifiers on post theme init."
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(syl20bnr/tweak-theme-colors spacemacs-cur-theme))
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:config
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(progn
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(syl20bnr/tweak-theme-colors 'solarized-light)
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(evil-leader/set-key "tc" 'rainbow-identifiers-mode)
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;; functions to change saturation and lightness of colors
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(defun syl20bnr/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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(message "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 syl20bnr/change-color-component
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(component inc reset)
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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'. INC is the value to add to the COMPONENT. If RESET is not nil
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then INC is the new value of the COMPONENT."
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(set-temporary-overlay-map
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(let ((map (make-sparse-keymap)))
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(define-key map (kbd "+")
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`(lambda () (interactive) (syl20bnr/change-color-component-func
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,component ,inc)))
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(define-key map (kbd "-")
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`(lambda () (interactive) (syl20bnr/change-color-component-func
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,component ,(- inc))))
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(define-key map (kbd "=")
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`(lambda () (interactive) (syl20bnr/change-color-component-func
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,component ,reset t)))
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map) t)
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(syl20bnr/change-color-mini-mode-doc component))
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(defun syl20bnr/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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(interactive)
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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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(syl20bnr/change-color-mini-mode-doc component)))
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;; key bindings
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(evil-leader/set-key "cs"
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'(lambda () (interactive)
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(syl20bnr/change-color-component "saturation" 5 100)))
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(evil-leader/set-key "cl"
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'(lambda () (interactive)
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(syl20bnr/change-color-component "lightness" 5 40))))))
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