spacemacs/layers/+themes/colors

Colors layer

• Description
• Install
• Configuration
  • Colorize identifiers
  • Enable Nyan cat
• Key bindings
  • Colorize Identifiers
  • Rainbow Mode
  • Nyan Mode

Description

This layer colors your life with:

• rainbow identifiers mode will colorize all identifiers (christmas tree mode :-)) with an almost unique color.
• color-identifiers mode will colorize only identifiers recognized as variables.
• rainbow mode displays strings representing colors with the color they represent as background.
• nyan mode display a Nyan cat progress bar in the mode-line.

Install

To use this configuration layer, add it to your ~/.spacemacs. You will need to add colors to the existing dotspacemacs-configuration-layers list in this file.

Configuration

Colorize identifiers

To colorize some identifiers by default in programming language buffers, set the layer variables colors-colorize-identifiers to either variables or all. variables will colorize only words recognized as variables, all will colorize all the words.

  (setq-default dotspacemacs-configuration-layers '(
    (colors :variables colors-colorize-identifiers 'all)))

When using the value all the Saturation and lightness of can be set per theme by adding an entry in the variable colors-theme-identifiers-sat&light. This is an alist where the key is a theme symbol and the value is a pair (saturation lightness).

For now saturation and lightness are not supported with the variables value.

Example:

  (push '(mytheme . (50 50)) colors-theme-identifiers-sat&light)

Enable Nyan cat

To enable the package nyan-mode set the variable colors-enable-nyan-cat-progress-bar to t:

  (setq-default dotspacemacs-configuration-layers '(
    (colors :variables colors-enable-nyan-cat-progress-bar t)))

It may be handy to enable it only in a GUI, you can do it by using a quasi-quoted list:

  (setq-default dotspacemacs-configuration-layers
    =((colors :variables
              colors-enable-nyan-cat-progress-bar ,(display-graphic-p))))

Key bindings

The prefix associated with colors is C.

Colorize Identifiers

Key Binding	Description
SPC C a	colorize all idendifiers in current buffer
SPC C C-a	globally colorize all idendifiers and all subsequent buffers
SPC C v	colorize all variables only in current buffer
SPC C C-v	globally colorize all variables only and all subsequent buffers

The saturation and lightness of identifier colors can be adjusted live when colorizing all the identifiers with the transient-state:

Key Binding	Description
SPC C i s	initiate change saturation mini-mode
SPC C i l	initiate change lightness mini-mode
+	increase the saturation or lightness
-	decrease the saturation or lightness
=	reset the saturation or lightness
Any other key	leave the change mini-mode

Rainbow Mode

rainbow-mode mode can be toggled on and off with:

SPC t C c

Nyan Mode

nyan-mode mode can be toggled on and off with:

SPC t m n

Note that the toggle is local to the current buffer.