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.



11
12
13
14
15
16
17
18
19
20
21
22
23
 
# 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.



9
10
11
 
# File 'lib/legion/tty/components/input_bar.rb', line 9

def buffer
  @buffer
end

#completions ⇒ Object (readonly)

Returns the value of attribute completions.



9
10
11
 
# File 'lib/legion/tty/components/input_bar.rb', line 9

def completions
  @completions
end

Instance Method Details

#clear_buffer ⇒ Object 



88
89
90
91
 
# File 'lib/legion/tty/components/input_bar.rb', line 88

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

#clear_thinking ⇒ Object 



115
116
117
 
# File 'lib/legion/tty/components/input_bar.rb', line 115

def clear_thinking
  @thinking = false
end

#complete(partial) ⇒ Object 



105
106
107
108
109
 
# File 'lib/legion/tty/components/input_bar.rb', line 105

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

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

#current_line ⇒ Object 



84
85
86
 
# File 'lib/legion/tty/components/input_bar.rb', line 84

def current_line
  @buffer.dup
end

#cursor_column ⇒ Object 



80
81
82
 
# File 'lib/legion/tty/components/input_bar.rb', line 80

def cursor_column
  prompt_plain_length + @cursor_pos
end

#handle_key(key) ⇒ Object

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



34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 
# 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, :ctrl_a
    @cursor_pos = 0
    :handled
  when :end, :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 



93
94
95
 
# File 'lib/legion/tty/components/input_bar.rb', line 93

def history
  @history_entries.dup
end

#prompt_plain_length ⇒ Object 



29
30
31
 
# File 'lib/legion/tty/components/input_bar.rb', line 29

def prompt_plain_length
  @name.length + 3
end

#prompt_string ⇒ Object 



25
26
27
 
# 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



98
99
100
101
102
103
 
# File 'lib/legion/tty/components/input_bar.rb', line 98

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



70
71
72
73
74
75
76
77
78
 
# File 'lib/legion/tty/components/input_bar.rb', line 70

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 



111
112
113
 
# File 'lib/legion/tty/components/input_bar.rb', line 111

def show_thinking
  @thinking = true
end

#thinking? ⇒ Boolean

Returns:

  • (Boolean) 


119
120
121
 
# File 'lib/legion/tty/components/input_bar.rb', line 119

def thinking?
  @thinking
end