Module: Hiiro::TaskColors

Defined in:
lib/hiiro/task_colors.rb

Constant Summary collapse

PALETTE =

12 visually distinct, dark-background color pairs for tmux status bars. All use colour255 (white) as foreground for readability.

[
  { bg: 'colour24',  fg: 'colour255' },  # 0:  Steel blue
  { bg: 'colour88',  fg: 'colour255' },  # 1:  Dark red
  { bg: 'colour28',  fg: 'colour255' },  # 2:  Forest green
  { bg: 'colour130', fg: 'colour255' },  # 3:  Sienna
  { bg: 'colour54',  fg: 'colour255' },  # 4:  Purple
  { bg: 'colour23',  fg: 'colour255' },  # 5:  Dark teal
  { bg: 'colour52',  fg: 'colour255' },  # 6:  Crimson
  { bg: 'colour58',  fg: 'colour255' },  # 7:  Olive
  { bg: 'colour17',  fg: 'colour255' },  # 8:  Navy
  { bg: 'colour90',  fg: 'colour255' },  # 9:  Magenta
  { bg: 'colour94',  fg: 'colour255' },  # 10: Burnt orange
  { bg: 'colour22',  fg: 'colour255' },  # 11: Dark forest
].freeze

Class Method Summary collapse

Class Method Details

.apply(session_name, color_index) ⇒ Object

Apply status-bg / status-fg to the named tmux session.



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# File 'lib/hiiro/task_colors.rb', line 25

def self.apply(session_name, color_index)
  colors = for_index(color_index)
  Background.run('tmux', 'set-option', '-t', session_name, 'status-bg', colors[:bg])
  Background.run('tmux', 'set-option', '-t', session_name, 'status-fg', colors[:fg])
end

.for_index(index) ⇒ Object 



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# File 'lib/hiiro/task_colors.rb', line 20

def self.for_index(index)
  PALETTE[index.to_i % PALETTE.size]
end

.next_index(existing_indices) ⇒ Object

Return the first palette index not already used by existing_indices, falling back to modulo wrap-around when all colors are taken.



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# File 'lib/hiiro/task_colors.rb', line 33

def self.next_index(existing_indices)
  (0...PALETTE.size).find { |i| !existing_indices.include?(i) } ||
    (existing_indices.length % PALETTE.size)
end