Module: ColorMap

Included in:
RubyCurses, VER
Defined in:
lib/rbcurse/colormap.rb

Class Method Summary collapse

Class Method Details

.colors ⇒ Object 



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# File 'lib/rbcurse/colormap.rb', line 32

def ColorMap.colors
  @@colors
end

.get_color(fgc, bgc = $def_bg_color) ⇒ Object

public returns a color_pair for a given foreground and background color



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# File 'lib/rbcurse/colormap.rb', line 23

def ColorMap.get_color fgc, bgc=$def_bg_color
  if $color_map.include? [fgc, bgc]
#      $log.debug " get_color found #{fgc} #{@bgc} "
    return $color_map[[fgc, bgc]]
  else
#      $log.debug " get_color NOT found #{fgc} #{@bgc} "
    return ColorMap.install_color fgc, bgc
  end
end

.get_color_const(colorstring) ⇒ Object

private returns a color constant for a human color string



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# File 'lib/rbcurse/colormap.rb', line 6

def ColorMap.get_color_const colorstring
  Ncurses.const_get "COLOR_#{colorstring.upcase}"
end

.install_color(fgc, bgc) ⇒ Object

private creates a new color pair, puts in color map and returns color_pair number



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# File 'lib/rbcurse/colormap.rb', line 12

def ColorMap.install_color fgc, bgc
#      $log.debug " install_color found #{fgc} #{@bgc} "
    @color_id += 1
  fg = ColorMap.get_color_const fgc
  bg = ColorMap.get_color_const bgc
  Ncurses.init_pair(@color_id, fg, bg);
  $color_map[[fgc, bgc]] = @color_id
  return @color_id
end

.setup ⇒ Object

public setup color map at start of application



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# File 'lib/rbcurse/colormap.rb', line 38

def ColorMap.setup
  @color_id = 0
  $color_map = {}
  Ncurses.start_color();
  # Initialize few color pairs 
  $def_fg_color = "white"   # pls set these 2 for your application
  $def_bg_color = "black"
  #COLORS = [COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_YELLOW, COLOR_BLUE, 
  #     COLOR_MAGENTA, COLOR_CYAN, COLOR_WHITE]
  @@colors = %w[black red green yellow blue magenta cyan white]

  # make foreground colors
  bg = ColorMap.get_color_const $def_bg_color
  @@colors[0...@@colors.size].each_with_index do |color, i|
    next if color == $def_bg_color
    ColorMap.install_color color, $def_bg_color
  end
  $reversecolor = ColorMap.get_color $def_bg_color, $def_fg_color
  $popupcolor = ColorMap.get_color 'cyan', $def_fg_color

  $errorcolor = ColorMap.get_color 'white', 'red'
  $promptcolor = $selectedcolor = ColorMap.get_color('yellow', 'red')
  $normalcolor = $datacolor = ColorMap.get_color('white', 'black')
  $bottomcolor = $topcolor = ColorMap.get_color('white', 'blue')

#    $log.debug " colormap SETUP: #{$datacolor} #{$reversecolor} "
end