Method: Color.colorize

Defined in:
lib/xiki/color.rb

.colorize(char = nil) ⇒ Object 



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# File 'lib/xiki/color.rb', line 29

def self.colorize char=nil
  char ||= Keys.input(:chars=>1, :prompt=>'Enter first letter of color: ')
  char = char.to_s
  # If h, just show all colors
  case char
  when "l"
    # We want there to be only one "light" line per file, so delete existing
    overlays = $el.overlays_in(View.top, View.bottom)   # Get all overlays
    overlays.to_a.reverse.each do |o|   # Loop through and copy all
      if $el.overlay_get(o, :face).to_s == "color-rb-light"
        $el.delete_overlay(o)
      end
    end

  when "s"   # Search in all buffers for marked lines

    prefix = Keys.prefix

    if prefix.nil?
      light = $el.overlays_in(View.top, View.bottom).to_a.find{|o| $el.overlay_get(o, :face).to_s == "color-rb-light"}
      return View.to($el.overlay_start(light)) if light
      # Else, contine on and do Color.search
    end

    return Launcher.open("- Color.search/") if Keys.prefix == 8

    # Presumably :u
    Launcher.open("- Color.search 'light'/")
    return

  when "o"   # Outline of marked lines
    res = self.get_marked_lines
    res.gsub! /^/, "    | "

    file = View.file
    path = file ?
      "- #{File.expand_path(file).sub(/(.+)\//, "\\1/\n  - ")}\n" :
      "- buffer #{View.name}/\n"

    View.to_buffer("*outline of marked in #{path}")
    View.clear;  Notes.mode
    View.insert path
    if res == "    | "
      return View.insert "    - Nothing was marked in this file!"
    end
    View.insert res
    Keys.clear_prefix
    View.to_line 3
    Line.to_beginning

    Tree.search :left=> Line.left, :number_means_enter=>true

    return

  when "c"   # Copy marked lines

    res = self.get_marked_lines

    Clipboard['0'] = res

  when "h"   # Hilight
    prefix = Keys.prefix :clear=>1

    ignore, left, right = View.txt_per_prefix prefix, :just_positions=>1, :default_is_line=>1

    prefix == :u ?
      Effects.glow(:color=>:rainbow, :times=>4) :
      Effects.glow(:what=>[left, right], :times=>4)

    #     when "h"   # Hide
    #       Hide.hide_unless_block { |l, bol, eol|
    #         # Whether current line contains an overlay of this color
    #         $el.overlays_in(bol, eol).to_a.find{ |o|
    #           $el.overlay_get(o, :face).to_s =~ /^color-rb-/
    #         }
    #       }
    #       recenter(-3)
    #       Hide.search
    #       return
  when "n"   # to next marker
    #       Keys.prefix_times do
    pos = $el.next_overlay_change(View.cursor)
    #       end
    # If no overlay, may be at end, so continue on
    pos = $el.next_overlay_change(pos) unless $el.overlays_at(pos)
    return View.to(pos)
  when "p"   # to next marker
    pos = $el.previous_overlay_change(View.cursor)
    pos = $el.previous_overlay_change(pos-2) if $el.overlays_at(pos-2)
    return View.to pos
  when "d"
    overlays = $el.overlays_at($el.next_overlay_change($el.point_at_bol - 1))
    return View.beep "- No highlights after cursor!" if ! overlays
    return $el.delete_overlay(overlays[0])
  when "k"

    if Keys.prefix_u   # Don't delete map mark
      return $el.remove_overlays
    end
    overlays = $el.overlays_in(View.top, View.bottom)   # Get all overlays
    overlays.to_a.reverse.each do |o|   # Loop through and copy all
      if $el.overlay_get(o, :face).to_s != "color-rb-light"
        $el.delete_overlay(o)
      end
    end
    return

  when "a"
    return self.alternating
  end

  case Keys.prefix
  when :u   # If C-u, use region
    left, right = View.range
  when nil   # If nothing, do line
    left, right = Line.left, Line.right+1
  else   # Else, get N lines
    txt, left, right = View.txt_per_prefix
  end

  if ! @@colors[char]
    return View.message "No char color for '#{char}'"
  end

  over = $el.make_overlay(left, right)
  $el.overlay_put over, :face, @@colors[char]
end