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spacemacs/contrib/syl20bnr/packages.el

136 lines
6.3 KiB
EmacsLisp

(defvar syl20bnr-packages
'(
rainbow-identifiers
)
"List of all packages to install and/or initialize. Built-in packages
which require an initialization must be listed explicitly in the list.")
(defvar syl20bnr-excluded-packages '()
"List of packages to exclude.")
(defun syl20bnr/init-rainbow-identifiers ()
(use-package rainbow-identifiers
:commands rainbow-identifiers-mode
:init
(progn
(setq rainbow-identifiers-choose-face-function 'rainbow-identifiers-cie-l*a*b*-choose-face
rainbow-identifiers-cie-l*a*b*-saturation 100
rainbow-identifiers-cie-l*a*b*-lightness 40
;; override theme faces
rainbow-identifiers-faces-to-override '(highlight-quoted-symbol
font-lock-variable-name-face))
(add-to-hooks 'rainbow-identifiers-mode '(prog-mode-hook
erlang-mode-hook))
(defun syl20bnr/tweak-theme-colors (theme)
"Tweak color themes by adjusting rainbow-identifiers colors settings an by
disabling some faces in order to make colored identifiers stand out."
(interactive)
(pcase theme
(`solarized-dark (setq rainbow-identifiers-cie-l*a*b*-saturation 85
rainbow-identifiers-cie-l*a*b*-lightness 65))
(`solarized-light (setq rainbow-identifiers-cie-l*a*b*-saturation 100
rainbow-identifiers-cie-l*a*b*-lightness 40))
(`monokai (setq rainbow-identifiers-cie-l*a*b*-saturation 55
rainbow-identifiers-cie-l*a*b*-lightness 60))
(`zenburn (setq rainbow-identifiers-cie-l*a*b*-saturation 40
rainbow-identifiers-cie-l*a*b*-lightness 65))
(_ (setq rainbow-identifiers-cie-l*a*b*-saturation 80
rainbow-identifiers-cie-l*a*b*-lightness 45)))
;; To make the variables stand out, keyword coloring is disabled
;; (set-face-attribute 'highlight-quoted-symbol nil
;; :foreground nil :slant 'normal :weight 'bold)
(set-face-attribute 'font-lock-function-name-face nil
:foreground nil :slant 'normal :weight 'normal)
(set-face-attribute 'font-lock-keyword-face nil
:foreground nil :slant 'normal :weight 'bold)
(font-lock-fontify-buffer)))
(syl20bnr/tweak-theme-colors spacemacs-cur-theme)
(defadvice spacemacs/post-theme-init (after syl20bnr/post-theme-init activate)
"Adjust lightness and brightness of rainbow-identifiers on post theme init."
(syl20bnr/tweak-theme-colors spacemacs-cur-theme))
:config
(progn
(syl20bnr/tweak-theme-colors 'solarized-light)
(evil-leader/set-key "tc" 'rainbow-identifiers-mode)
;; functions to change saturation and lightness of colors
(defun syl20bnr/change-color-mini-mode-doc (component)
"Display a short documentation in the mini buffer."
(let ((var (intern (format
"rainbow-identifiers-cie-l*a*b*-%s" component))))
(echo "Change color %s mini-mode (value: %s)
+ to increase %s
- to decrease %s
= to reset
Press any other key to exit." component (eval var) component component)))
(defun syl20bnr/change-color-component-overlay-map (component)
"Set a temporary overlay map to easily change a color COMPONENT from
rainbow-identifier mode. The color COMPONENT can be 'saturation' or
'lightness'."
(set-temporary-overlay-map
(let ((map (make-sparse-keymap))
(up-func (intern (format "syl20bnr/change-color-%s-up" component)))
(down-func (intern (format "syl20bnr/change-color-%s-down" component)))
(reset-func (intern (format "syl20bnr/change-color-%s-reset" component))))
(define-key map (kbd "+") up-func)
(define-key map (kbd "-") down-func)
(define-key map (kbd "=") reset-func)
map) t)
(syl20bnr/change-color-mini-mode-doc component))
(defun syl20bnr/start-change-color-saturation ()
"Initiate the overlay map to change the saturation."
(interactive)
(syl20bnr/change-color-component-overlay-map "saturation"))
(defun syl20bnr/change-color-saturation-up ()
"Increase the saturation by 5 units."
(interactive)
(syl20bnr/change-color-component-func "saturation" 5))
(defun syl20bnr/change-color-saturation-down ()
"Decrease the saturation by 5 units."
(interactive)
(syl20bnr/change-color-component-func "saturation" -5))
(defun syl20bnr/change-color-saturation-reset ()
"Reset the saturation to 100."
(interactive)
(syl20bnr/change-color-component-func "saturation" 100 t))
(defun syl20bnr/start-change-color-lightness ()
"Initiate the overlay map to change the lightness."
(interactive)
(syl20bnr/change-color-component-overlay-map "lightness"))
(defun syl20bnr/change-color-lightness-up ()
"Increase the lightness by 5 units."
(interactive)
(syl20bnr/change-color-component-func "lightness" 5))
(defun syl20bnr/change-color-lightness-down ()
"Decrease the lightness by 5 units."
(interactive)
(syl20bnr/change-color-component-func "lightness" -5))
(defun syl20bnr/change-color-lightness-reset ()
"Reset the lightness to 40."
(interactive)
(syl20bnr/change-color-component-func "lightness" 40 t))
(defun syl20bnr/change-color-component-func
(component inc &optional reset)
"Change the color component by adding INC value to it. If RESET is not
nil the color component is set to INC."
(let* ((var (intern (format
"rainbow-identifiers-cie-l*a*b*-%s" component)))
(new-value (+ (eval var) inc)))
(if reset
(set var inc)
(progn
(if (< new-value 0)
(setq new-value 0))
(set var new-value)))
(font-lock-fontify-buffer)
(syl20bnr/change-color-component-overlay-map component)))
;; key bindings
(evil-leader/set-key "cs" 'syl20bnr/start-change-color-saturation)
(evil-leader/set-key "cl" 'syl20bnr/start-change-color-lightness))))