Class: Muby::Style

Inherits:
Object
  • Object
show all
Includes:
Configurable, Logger
Defined in:
lib/muby/style.rb

Overview

The encapsulation of all the ncurses horror.

Defined Under Namespace

Classes: ColorPair

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Configurable

#conf

Methods included from Logger

#log_input, #log_output

Constructor Details

#initialize(attributes, color1, color2, toAdd = false) ⇒ Style

Returns a new instance of Style.



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# File 'lib/muby/style.rb', line 65

def initialize(attributes, color1, color2, toAdd = false)
  @attributes = attributes
  @color1 = color1
  @color2 = color2
  @toAdd = toAdd
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/muby/style.rb', line 11

def attributes
  @attributes
end

#color1 ⇒ Object (readonly)

Returns the value of attribute color1.



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# File 'lib/muby/style.rb', line 11

def color1
  @color1
end

#color2 ⇒ Object (readonly)

Returns the value of attribute color2.



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# File 'lib/muby/style.rb', line 11

def color2
  @color2
end

Class Method Details

.extract(window) ⇒ Object

Get a Style instance from a window (so we can save it and restore it)



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# File 'lib/muby/style.rb', line 75

def self.extract(window)
  tmp = []
  oldAttributes = []
  oldAttribute = 0
  oldColorPair = []
  oldColor1 = []
  oldColor2 = []

  window.wattr_get(oldAttributes,oldColorPair,tmp)
  oldAttribute = oldAttributes[0] ^ Ncurses.COLOR_PAIR(oldColorPair[0])
  Ncurses.pair_content(oldColorPair[0], oldColor1, oldColor2)

  Muby::Style.new(oldAttribute, oldColor1[0], oldColor2[0])
end

Instance Method Details

#affect(window) ⇒ Object

Affect the window, either overwriting its style or adding to it.



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# File 'lib/muby/style.rb', line 93

def affect(window)
  if @toAdd
    window.wattron(to_int(window))
  else
    window.wattrset(to_int(window))
  end
end

#get_color_value(fg, bg) ⇒ Object 



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# File 'lib/muby/style.rb', line 101

def get_color_value(fg, bg)
  Muby::Style::ColorPair.get_pair(fg, bg).to_i
end

#to_int(window) ⇒ Object

Get an int representation of this style, to send to ncurses.



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# File 'lib/muby/style.rb', line 108

def to_int(window)
  oldAttributes = self.class.extract(window)
  color1 = @color1 == :copy ? oldAttributes.color1 : @color1 || conf.default_colors[0]
  color2 = @color2 == :copy ? oldAttributes.color2 : @color2 || conf.default_colors[1]
  @attributes | get_color_value(color1, color2)
end