Class: Color

Inherits:
Object show all
Defined in:
lib/xiki/color.rb

Overview

Colors lines, and shows only colored lines

Constant Summary collapse

@@colors = 
{
  "r"=>:color_rb_red, "y"=>:color_rb_yellow,
  "t"=>:color_rb_orange,
  "e"=>:color_rb_green, "b"=>:color_rb_blue, "u"=>:color_rb_purple,
  "l"=>:color_rb_light,
  "w"=>:color_rb_white,
}

Class Method Summary collapse

Class Method Details

.alternating ⇒ Object 



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# File 'lib/xiki/color.rb', line 157

def self.alternating
  orig = View.cursor
  # Get region to cover
  txt, left, right = View.txt_per_prefix
  View.cursor = left
  while(View.cursor < right)
    Color.colorize_line :color_rb_light
    Line.next 2
  end
  View.cursor = orig
end

.at_cursor ⇒ Object

Returns list of colors at cursor Color.at_cursor



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# File 'lib/xiki/color.rb', line 256

def self.at_cursor
  overlays = $el.overlays_in(Line.left, Line.right)
  overlays = overlays.to_a.reverse.inject([]) do |a, o|   # Loop through and copy all
    a.push $el.overlay_get(o, :face).to_s
  end
end

.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

.colorize_line(face) ⇒ Object 



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# File 'lib/xiki/color.rb', line 169

def self.colorize_line face
  over = $el.make_overlay(Line.left, Line.right+1)
  $el.overlay_put over, :face, face
end

.define_styles ⇒ Object

For Keys.layout_kolor_light, etc.



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# File 'lib/xiki/color.rb', line 174

def self.define_styles   # For Keys.layout_kolor_light, etc.

  return if ! $el

  if Styles.dark_bg?

    Styles.define :color_rb_red, :bg => "500"
    Styles.define :color_rb_orange, :bg => "442500"
    Styles.define :color_rb_yellow, :bg => "440"
    Styles.define :color_rb_green, :bg => "131"
    Styles.define :color_rb_white, :fg=>'222', :bg=>'fff', :border=>['fff', -1]
    Styles.define :color_rb_light, :bg => "252525"

    Styles.define :color_rb_blue, :bg => "005"
    Styles.define :color_rb_purple, :bg => "203"

  else

    Styles.define :color_rb_red, :bg => "ffd5d5"
    Styles.define :color_rb_orange, :bg => "ffe5bb"
    Styles.define :color_rb_yellow, :bg => "f9f9aa"
    Styles.define :color_rb_green, :bg => "e0ffcc"
    Styles.define :color_rb_white, :fg=>'222', :bg=>'666', :border=>['666', -1]
    Styles.define :color_rb_light, :bg => "ddd"

    Styles.define :color_rb_blue, :bg => "dde5ff"
    Styles.define :color_rb_purple, :bg => "f2ddff"

  end

  Styles.define :fade7, :fg => "333"
  Styles.define :fade6, :fg => "555"
  Styles.define :fade5, :fg => "777"
  Styles.define :fade4, :fg => "999"
  Styles.define :fade3, :fg => "bbb"
  Styles.define :fade2, :fg => "ddd"
  Styles.define :fade1, :fg => "fff"

end

.get_marked_lines(label = nil) ⇒ Object 



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# File 'lib/xiki/color.rb', line 214

def self.get_marked_lines label=nil
  overlays = $el.overlays_in(View.top, View.bottom)   # Get all overlays
  res = ""
  overlays.to_a.reverse.each do |o|   # Loop through and copy all
    if label
      next if $el.overlay_get(o, :face).to_s != label
    end
    line = View.txt($el.overlay_start(o), overlay_end(o))
    line << "\n" unless line =~ /\n$/
    res << line
  end
  res
end

.menu ⇒ Object 



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# File 'lib/xiki/color.rb', line 7

def self.menu
  "
  > Make current line be red, yellow, or blue
  @Color.colorize :r
  @Color.colorize :y
  @Color.colorize :b

  > See
  << themes/
  << styles/
  "
end

.search(label = nil) ⇒ Object 



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# File 'lib/xiki/color.rb', line 228

def self.search label=nil
  label = "color-rb-#{label}" if label

  orig = View.buffer
  txt = ""
  Buffers.list.to_a.each do |b|  # Each buffer open

    $el.set_buffer b
    res = self.get_marked_lines label
    next if res.empty?

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

    txt << path
    txt << res.gsub!(/^/, "    | ")

  end
  View.to_buffer orig
  txt
end