Module: Curses::Color

Defined in:
lib/curses_extensions.rb,
lib/curses_color.rb

Overview

Curses::Color

Constant Summary collapse

RED = 
Curses::COLOR_RED
BLUE = 
Curses::COLOR_BLUE
GREEN = 
Curses::COLOR_GREEN
YELLOW = 
Curses::COLOR_YELLOW
MAGENTA = 
Curses::COLOR_MAGENTA
CYAN = 
Curses::COLOR_CYAN
WHITE = 
Curses::COLOR_WHITE
BLACK = 
Curses::COLOR_BLACK
COLOR_STYLES = 
{
# :name => [foreground, background],
  :default => [WHITE, BLACK],
  :red => [RED, BLACK],
  :blue => [BLUE, BLACK],
  :green => [GREEN, BLACK],
  :yellow => [YELLOW, BLACK],
  :magenta => [MAGENTA, BLACK],
  :cyan => [CYAN, BLACK],
  :wrong => [RED, BLACK],
  :wrong_space => [RED, RED],
  :correct => [BLUE, BLACK],
  :ok => [CYAN, BLACK],
  :highscore => [GREEN, BLACK],
  :mistype => [RED, BLACK],
}
@@color_pair = 
{}
@@use_color = 
false

Class Method Summary collapse

Class Method Details

.init ⇒ Object 



69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/curses_extensions.rb', line 69

def init
  @@use_color = Curses.has_colors?
  return if @@use_color == false

  Curses::start_color # background becomes black

  n = 1
  defined_pair = {}

  COLOR_STYLES.each do |name, pair|
    if defined_pair.include?(pair)
      @@color_pair[name] = Curses::color_pair(defined_pair[pair])
    else
      Curses::init_pair(n, pair[0], pair[1])
      @@color_pair[name] = Curses::color_pair(n)
      defined_pair[pair] = n
      n += 1
    end
  end
end

.pair(name) ⇒ Object

Return the result of Curses::color_pair, or nil if the specified name is not defined or the terminal doesn’t support color



93
94
95
 
# File 'lib/curses_extensions.rb', line 93

def pair(name)
  @@use_color ? @@color_pair[name] : nil
end