Class: Legion::TTY::Components::InputBar

Inherits:
Object
  • Object
show all
Defined in:
lib/legion/tty/components/input_bar.rb

Overview

rubocop:disable Metrics/ClassLength

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name: 'User', reader: nil, completions: []) ⇒ InputBar

Returns a new instance of InputBar.



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# File 'lib/legion/tty/components/input_bar.rb', line 11

def initialize(name: 'User', reader: nil, completions: [])
  @name = name
  @completions = completions
  @buffer = +''
  @cursor_pos = 0
  @history_entries = []
  @history_index = nil
  @saved_buffer = nil
  @tab_matches = []
  @tab_index = 0
  @legacy_reader = reader
  @thinking = false
end

Instance Attribute Details

#buffer ⇒ Object (readonly)

Returns the value of attribute buffer.



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# File 'lib/legion/tty/components/input_bar.rb', line 9

def buffer
  @buffer
end

#completions ⇒ Object (readonly)

Returns the value of attribute completions.



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# File 'lib/legion/tty/components/input_bar.rb', line 9

def completions
  @completions
end

Instance Method Details

#clear_buffer ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 98

def clear_buffer
  @buffer = +''
  @cursor_pos = 0
end

#clear_thinking ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 125

def clear_thinking
  @thinking = false
end

#complete(partial) ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 115

def complete(partial)
  return [] if partial.nil? || partial.empty?

  @completions.select { |c| c.start_with?(partial) }.sort
end

#current_line ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 94

def current_line
  @buffer.dup
end

#cursor_column ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 90

def cursor_column
  prompt_plain_length + @cursor_pos
end

#handle_key(key) ⇒ Object

rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength



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# File 'lib/legion/tty/components/input_bar.rb', line 34

def handle_key(key)
  case key
  when :enter
    submit_line
  when :backspace
    handle_backspace
  when :tab
    handle_tab_key
  when :up
    history_prev
  when :down
    history_next
  when :right
    @cursor_pos = [@cursor_pos + 1, @buffer.length].min
    :handled
  when :left
    @cursor_pos = [@cursor_pos - 1, 0].max
    :handled
  when :home
    return :pass if @buffer.empty?

    @cursor_pos = 0
    :handled
  when :ctrl_a
    @cursor_pos = 0
    :handled
  when :end
    return :pass if @buffer.empty?

    @cursor_pos = @buffer.length
    :handled
  when :ctrl_e
    @cursor_pos = @buffer.length
    :handled
  when :ctrl_u
    @buffer = +''
    @cursor_pos = 0
    :handled
  when String
    insert_char(key)
  else
    :pass
  end
end

#history ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 103

def history
  @history_entries.dup
end

#prompt_plain_length ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 29

def prompt_plain_length
  @name.length + 3
end

#prompt_string ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 25

def prompt_string
  "#{Theme.c(:accent, @name)} #{Theme.c(:primary, '>')} "
end

#read_line ⇒ Object

Backward-compatible blocking read for onboarding/tests



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# File 'lib/legion/tty/components/input_bar.rb', line 108

def read_line
  reader = @legacy_reader || build_legacy_reader
  reader&.read_line(prompt_string)
rescue Interrupt
  nil
end

#render_line(width:) ⇒ Object

rubocop:enable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength



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# File 'lib/legion/tty/components/input_bar.rb', line 80

def render_line(width:)
  avail = [width - prompt_plain_length, 1].max
  display = if @buffer.length > avail
              @buffer[(@buffer.length - avail)..]
            else
              @buffer
            end
  "#{prompt_string}#{display}"
end

#show_thinking ⇒ Object 



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# File 'lib/legion/tty/components/input_bar.rb', line 121

def show_thinking
  @thinking = true
end

#thinking? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/tty/components/input_bar.rb', line 129

def thinking?
  @thinking
end