Module: GTK::Runtime::Autocomplete

Defined in:
dragon/autocomplete.rb

Instance Method Summary collapse

Instance Method Details

#autocomplete_filter_methods(keys, *ignores) ⇒ Object


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# File 'dragon/autocomplete.rb', line 44

def autocomplete_filter_methods keys, *ignores
  ignores ||= []
  ignores   = [ignores].flatten
  keys   = keys.map { |k| k.to_s }
  others = ["def", "end"] +
           [ :entity_keys_by_ref,
             :entity_name,
             :as_hash,
             :clear!,
             :created_at_elapsed,
             :entity_id,
             "entity_id=",
             "tick_count=",
             :global_created_at_elapsed,
             :load_entity_data!,
             :meta,
             :meta!,
             :new?,
             :old?,
             :__original_eq_eq__, :set!,
             :update_entity_keys_by_ref,
             :with_meta] +
           ignores + keys.find_all { |k| k.to_s.to_i.to_s == k.to_s }

  final = (keys - (others.map { |m| m.to_s })).uniq
  final
end

#autocomplete_parse(opts) ⇒ Object


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# File 'dragon/autocomplete.rb', line 8

def autocomplete_parse opts
  if opts[:file] && !opts[:text]
    opts[:text] = read_file opts[:file]
  end

  text  = opts[:text]
  index = opts[:index]
  sum   = 0
  lines = text.each_line.to_a.map do |l|
    sum += l.length
    { line: l, length: l.length, sum: sum }
  end
  cursor_line   = lines.find { |l| l[:sum] >= index }
  previous_line = lines.find { |l| l[:sum] < index }
  previous_line ||= { sum: 0 }
  if cursor_line
    sub_index       = index - previous_line[:sum]
    word            = (cursor_line[:line][0..sub_index - 1]).strip
    token           = (word.split " ")[-1]
    dots            = (token.split ".")
    dot             = dots[-1]
  end

  {
    text:          opts[:text],
    file:          opts[:file],
    index:         opts[:index],
    cursor_line:   cursor_line,
    previous_line: previous_line,
    word:          word,
    token:         token,
    dots:          dots,
    dot:           dot
  }
end

#suggest_autocompletion(opts) ⇒ Object


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# File 'dragon/autocomplete.rb', line 72

def suggest_autocompletion opts
  parse_result = autocomplete_parse opts
  return [] unless parse_result[:cursor_line]
  text  = parse_result[:text]
  word  = parse_result[:word]
  token = parse_result[:token]
  dots  = parse_result[:dots]
  dot   = parse_result[:dot]

  return [] if word.strip.start_with? "#"

  if word[-1] == "." && token
    lookup = {
      'args'     => lambda { $gtk.args.autocomplete_methods },
      'inputs'   => lambda { $gtk.args.inputs.autocomplete_methods },
      'geometry' => lambda { $gtk.args.geometry.autocomplete_methods },
      'outputs'  => lambda { $gtk.args.outputs.autocomplete_methods },
      'layout'   => lambda { $gtk.args.layouts.autocomplete_methods },
      'keyboard' => lambda { $gtk.args.keyboard.autocomplete_methods },
      'key_down' => lambda { $gtk.args.keyboard.key_down.autocomplete_methods },
      'key_up'   => lambda { $gtk.args.keyboard.key_up.autocomplete_methods },
      'state'    => lambda { $gtk.args.state.autocomplete_methods },
      'fn'       => lambda { $gtk.args.fn.autocomplete_methods },
      '$gtk'     => lambda { $gtk.autocomplete_methods },
      'gtk'      => lambda { $gtk.autocomplete_methods },
      'mouse'    => lambda { $gtk.args.inputs.mouse.autocomplete_methods },
      'click'    => lambda { [:x, :y, :point] }
    }

    lookup_result = lookup[dot]

    return autocomplete_filter_methods lookup_result.call if lookup_result

    start_collecting = false
    dots_after_state = dots.find_all do |s|
      if s == "state"
        start_collecting = true
        false
      else
        start_collecting
      end
    end

    target = $gtk.args.state
    dots_after_state.each do |k|
      target = target.as_hash[k.to_sym] if target.respond_to? :as_hash
    end

    return autocomplete_filter_methods target.as_hash.keys
  end


  text.gsub!("[", " ")
  text.gsub!("]", " ")
  text.gsub!("(", " ")
  text.gsub!(")", " ")
  text.gsub!(":", "")
  text.gsub!(".", " ")
  text.gsub!("=", " ")
  return (autocomplete_filter_methods (text.split " "),
                                      :gtk, :false, :true, :args, :suppress_mailbox, :end)
end