Skip to content
Kward Search API index

Class: Kward::PromptInterface

Inherits:
Object
  • Object
show all
Includes:
ComposerController, ComposerRenderer, EditorAutoClosePairs, EditorAutoIndent, EditorController, EditorEndwise, EditorRenderer, EditorSyntaxHighlighter, EmacsEditorMode, FileOverlay, GitPrompt, InteractiveRenderer, InteractiveState, KeyHandler, Layout, ModernEditorMode, OverlayRenderer, ProjectBrowser, PromptRenderer, QuestionPrompt, RuntimeState, Screen, SelectionPrompt, SlashOverlay, TranscriptRenderer, VibeEditorMode, VibeInsertReadline
Defined in:
lib/kward/prompt_interface.rb,
lib/kward/prompt_interface/banner.rb,
lib/kward/prompt_interface/layout.rb,
lib/kward/prompt_interface/screen.rb,
lib/kward/prompt_interface/git_prompt.rb,
lib/kward/prompt_interface/key_handler.rb,
lib/kward/prompt_interface/editor/state.rb,
lib/kward/prompt_interface/file_overlay.rb,
lib/kward/prompt_interface/stream_state.rb,
lib/kward/prompt_interface/editor/buffer.rb,
lib/kward/prompt_interface/editor/search.rb,
lib/kward/prompt_interface/runtime_state.rb,
lib/kward/prompt_interface/slash_overlay.rb,
lib/kward/prompt_interface/composer_state.rb,
lib/kward/prompt_interface/editor/endwise.rb,
lib/kward/prompt_interface/editor/renderer.rb,
lib/kward/prompt_interface/project_browser.rb,
lib/kward/prompt_interface/prompt_renderer.rb,
lib/kward/prompt_interface/question_prompt.rb,
lib/kward/prompt_interface/editor/kill_ring.rb,
lib/kward/prompt_interface/overlay_renderer.rb,
lib/kward/prompt_interface/selection_prompt.rb,
lib/kward/prompt_interface/composer_renderer.rb,
lib/kward/prompt_interface/editor/controller.rb,
lib/kward/prompt_interface/editor/modes/vibe.rb,
lib/kward/prompt_interface/editor/selections.rb,
lib/kward/prompt_interface/editor/vibe_state.rb,
lib/kward/prompt_interface/interactive/state.rb,
lib/kward/prompt_interface/transcript_buffer.rb,
lib/kward/prompt_interface/editor/auto_indent.rb,
lib/kward/prompt_interface/editor/file_marker.rb,
lib/kward/prompt_interface/editor/modes/emacs.rb,
lib/kward/prompt_interface/editor/status_text.rb,
lib/kward/prompt_interface/composer_controller.rb,
lib/kward/prompt_interface/editor/modes/modern.rb,
lib/kward/prompt_interface/editor/undo_history.rb,
lib/kward/prompt_interface/transcript_renderer.rb,
lib/kward/prompt_interface/interactive/renderer.rb,
lib/kward/prompt_interface/interactive/controller.rb,
lib/kward/prompt_interface/editor/auto_close_pairs.rb,
lib/kward/prompt_interface/editor/indent_navigation.rb,
lib/kward/prompt_interface/editor/syntax_highlighter.rb,
lib/kward/prompt_interface/editor/modes/vibe_insert_readline.rb

Overview

Interactive terminal UI used by the CLI frontend.

Defined Under Namespace

Modules: ComposerController, ComposerRenderer, EditorAutoClosePairs, EditorAutoIndent, EditorController, EditorEndwise, EditorRenderer, EditorStatusText, EditorSyntaxHighlighter, EmacsEditorMode, FileOverlay, GitPrompt, InteractiveRenderer, InteractiveState, KeyHandler, Layout, ModernEditorMode, OverlayRenderer, ProjectBrowser, PromptRenderer, QuestionPrompt, RuntimeState, Screen, SelectionPrompt, SlashOverlay, TranscriptRenderer, VibeEditorMode, VibeInsertReadline Classes: Banner, ComposerState, EditorBuffer, EditorFileMarker, EditorIndentNavigation, EditorKillRing, EditorSearch, EditorSelections, EditorState, EditorUndoHistory, InteractiveController, StreamState, SubmittedInput, TranscriptBuffer, VibeEditorState

Constant Summary collapse

HELP_TEXT = 
"Enter sends • Shift+Enter inserts newline • ↑/↓ history • Ctrl+D exits empty prompt".freeze
BUSY_HELP_TEXT = 
"Ctrl+C cancels".freeze
SPINNER_FRAMES = 
%w[⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏].freeze
SPINNER_INTERVAL = 
0.1
1.0
COMPOSER_STATUS_REFRESH_INTERVAL = 
1.0
COMPOSER_MAX_INPUT_ROWS = 
6
TRANSCRIPT_BUFFER_LIMIT = 
200_000
Banner::MESSAGE
KEYBOARD_PROTOCOL_ENABLE = 
TerminalSequences::KEYBOARD_PROTOCOL_ENABLE
KEYBOARD_PROTOCOL_RESTORE = 
TerminalSequences::KEYBOARD_PROTOCOL_RESTORE
BRACKETED_PASTE_ENABLE = 
TerminalSequences::BRACKETED_PASTE_ENABLE
BRACKETED_PASTE_RESTORE = 
TerminalSequences::BRACKETED_PASTE_RESTORE
BRACKETED_PASTE_START = 
TerminalSequences::BRACKETED_PASTE_START
BRACKETED_PASTE_END = 
TerminalSequences::BRACKETED_PASTE_END
SYNCHRONIZED_OUTPUT_ENABLE = 
TerminalSequences::SYNCHRONIZED_OUTPUT_ENABLE
SYNCHRONIZED_OUTPUT_DISABLE = 
TerminalSequences::SYNCHRONIZED_OUTPUT_DISABLE
CURSOR_SHOW = 
TerminalSequences::CURSOR_SHOW
CURSOR_HIDE = 
TerminalSequences::CURSOR_HIDE
CURSOR_SHAPE_DEFAULT = 
TerminalSequences::CURSOR_SHAPE_DEFAULT
CURSOR_SHAPE_BAR = 
TerminalSequences::CURSOR_SHAPE_BAR
SHIFT_ENTER_SEQUENCES = 
TerminalKeys::SHIFT_ENTER
EXIT_INPUT = 
:exit_input
CANCEL_INPUT = 
:cancel_input
SELECT_CANCEL = 
:select_cancel
SELECT_CONTINUE = 
:select_continue
SELECT_ACTION_MINIMUM_BUSY_SECONDS = 
1.0

Constants included from VibeEditorMode

VibeEditorMode::VIBE_PAIR_TEXT_OBJECTS, VibeEditorMode::VIBE_RUBY_BLOCK_OPENERS, VibeEditorMode::VIBE_RUBY_EXTENSIONS, VibeEditorMode::VIBE_RUBY_PATHS, VibeEditorMode::VIBE_SIMPLE_MOTION_KEYS

Constants included from EditorAutoIndent

EditorAutoIndent::C_LIKE_INDENT_LANGUAGES, EditorAutoIndent::EDITOR_SHIFT_TAB_SEQUENCES, EditorAutoIndent::EDITOR_TAB_SEQUENCES, EditorAutoIndent::LUA_INDENT_KEYWORDS, EditorAutoIndent::PUNCTUATION_INDENT_LANGUAGES, EditorAutoIndent::PUNCTUATION_PAIRS, EditorAutoIndent::PYTHON_INDENT_KEYWORDS, EditorAutoIndent::RUBY_INDENT_KEYWORDS, EditorAutoIndent::SHELL_DEDENT_KEYWORDS, EditorAutoIndent::SHELL_INDENT_KEYWORDS

Constants included from EditorEndwise

EditorEndwise::ENDWISE_ENDLESS_DEFINITION, EditorEndwise::ENDWISE_LANGUAGES, EditorEndwise::ENDWISE_LINE_PARSE_LIMIT, EditorEndwise::ENDWISE_SINGLE_LINE_DEFINITION

Constants included from EditorAutoClosePairs

EditorAutoClosePairs::AUTO_CLOSE_CLOSERS, EditorAutoClosePairs::AUTO_CLOSE_OPENERS, EditorAutoClosePairs::AUTO_CLOSE_PAIRS, EditorAutoClosePairs::AUTO_CLOSE_QUOTES, EditorAutoClosePairs::WORD_CHARACTER

Constants included from EditorSyntaxHighlighter

EditorSyntaxHighlighter::CSS_EXTENSIONS, EditorSyntaxHighlighter::CSS_PATTERN, EditorSyntaxHighlighter::GENERIC_STRING_NUMBER_PATTERN, EditorSyntaxHighlighter::HTML_EXTENSIONS, EditorSyntaxHighlighter::HTML_PATTERN, EditorSyntaxHighlighter::JSON_EXTENSIONS, EditorSyntaxHighlighter::JSON_PATTERN, EditorSyntaxHighlighter::LANGUAGE_DEFINITIONS, EditorSyntaxHighlighter::MARKDOWN_EXTENSIONS, EditorSyntaxHighlighter::MARKDOWN_PATTERN, EditorSyntaxHighlighter::RUBY_EXTENSIONS, EditorSyntaxHighlighter::RUBY_FILENAMES, EditorSyntaxHighlighter::RUBY_KEYWORDS, EditorSyntaxHighlighter::RUBY_PATTERN, EditorSyntaxHighlighter::SCSS_EXTENSIONS, EditorSyntaxHighlighter::SQL_EXTENSIONS, EditorSyntaxHighlighter::SQL_PATTERN, EditorSyntaxHighlighter::YAML_EXTENSIONS, EditorSyntaxHighlighter::YAML_PATTERN

Constants included from ProjectBrowser

ProjectBrowser::PROJECT_BROWSER_RESULT_LIMIT, ProjectBrowser::PROJECT_BROWSER_ROOT, ProjectBrowser::PROJECT_BROWSER_STATE_VERSION

Instance Method Summary collapse

Methods included from GitPrompt

#git_commit_message, #open_modal_diff_viewer

Methods included from ProjectBrowser

#open_project_browser, #open_project_browser_locked

Constructor Details

#initialize(input: $stdin, output: $stdout, slash_commands: [], overlay_settings: nil, footer: nil, composer_status: nil, busy_help: true, attachment_badges: nil, attachment_parser: nil, banner_message: nil, tab_keybindings: nil, prompt_history: nil, editor_mode: nil, editor_mode_source: nil, editor_auto_indent: true, editor_auto_indent_source: nil, editor_auto_close_pairs: true, editor_auto_close_pairs_source: nil, editor_soft_wrap: true, editor_soft_wrap_source: nil, editor_bar_cursor: true, editor_bar_cursor_source: nil, editor_line_numbers: "absolute", editor_line_numbers_source: nil, diff_view: "auto", diff_view_source: nil) ⇒ PromptInterface

Returns a new instance of PromptInterface.



129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
 
# File 'lib/kward/prompt_interface.rb', line 129

def initialize(input: $stdin, output: $stdout, slash_commands: [], overlay_settings: nil, footer: nil, composer_status: nil, busy_help: true, attachment_badges: nil, attachment_parser: nil, banner_message: nil, tab_keybindings: nil, prompt_history: nil, editor_mode: nil, editor_mode_source: nil, editor_auto_indent: true, editor_auto_indent_source: nil, editor_auto_close_pairs: true, editor_auto_close_pairs_source: nil, editor_soft_wrap: true, editor_soft_wrap_source: nil, editor_bar_cursor: true, editor_bar_cursor_source: nil, editor_line_numbers: "absolute", editor_line_numbers_source: nil, diff_view: "auto", diff_view_source: nil)
  @input_io = input
  @output_io = output
  @reader = TTY::Reader.new(input: input, output: output, interrupt: :error)
  @mutex = Mutex.new
  @prompt_history = prompt_history
  @composer = ComposerState.new
  load_history(@prompt_history.values) if @prompt_history
  self.composer_input = @composer.input
  self.composer_cursor = @composer.cursor
  @started = false
  @asking = false
  @busy = false
  @busy_activity = "streaming"
  @queued_count = 0
  @steered_count = 0
  @spinner_frame_index = 0
  @last_spinner_tick = monotonic_now
  @last_footer_refresh = monotonic_now
  @last_composer_status_refresh = 0.0
  @cached_composer_status_text = nil
  @prompt_label = "You>"
  @assistant_label = "Assistant"
  @stream_state = StreamState.new
  @rendered_rows = 0
  @last_composer_rows = []
  @cursor_rendered_row = 0
  @transcript_buffer = TranscriptBuffer.new(limit: TRANSCRIPT_BUFFER_LIMIT)
  @transcript_viewport_rows = 0
  @restoring_transcript = false
  @pending_keys = []
  @completion_provider = nil
  @original_console_mode = nil
  @raw_mode_active = false
  @slash_commands = normalize_slash_commands(slash_commands)
  @slash_selection_index = 0
  @slash_overlay_dismissed_input = nil
  @slash_overlay_disabled = false
  @file_selection_index = 0
  @file_overlay_dismissed_token = nil
  @file_open_dismissed_token = nil
  @file_editor_open_status = nil
  @file_mention_paths = nil
  @project_browser_state = nil
  @project_browser_restore_after_editor = false
  @editor_state = nil
  @interactive_state = nil
  @last_interactive_tick = monotonic_now
  @select_state = nil
  @question_state = nil
  @question_prompt_active = false
  @git_state = nil
  @last_width = screen_width
  @last_height = screen_height
  @reserved_rows = 0
  @color_enabled = ANSI.enabled?(output)
  @cursor_visible = true
  @editor_bar_cursor_active = false
  @synchronized_output_depth = 0
  @overlay_settings = normalize_overlay_settings(overlay_settings)
  @footer = footer
  @composer_status = composer_status
  @busy_help = busy_help
  @attachment_badges = attachment_badges
  @attachment_parser = attachment_parser
  @banner = Banner.new(message: banner_message, screen_height: method(:screen_height))
  @tabs = []
  @active_tab_index = 0
  @tab_keybindings = normalize_tab_keybindings(tab_keybindings)
  @editor_mode = normalize_editor_mode(editor_mode)
  @editor_mode_source = editor_mode_source
  @editor_auto_indent = editor_auto_indent != false
  @editor_auto_indent_source = editor_auto_indent_source
  @editor_auto_close_pairs = editor_auto_close_pairs != false
  @editor_auto_close_pairs_source = editor_auto_close_pairs_source
  @editor_soft_wrap = editor_soft_wrap != false
  @editor_soft_wrap_source = editor_soft_wrap_source
  @editor_bar_cursor = editor_bar_cursor != false
  @editor_bar_cursor_source = editor_bar_cursor_source
  @editor_line_numbers = normalize_editor_line_numbers(editor_line_numbers)
  @editor_line_numbers_source = editor_line_numbers_source
  @diff_view = DiffViewMode.normalize(diff_view)
  @diff_view_source = diff_view_source
end

Instance Method Details

#ask(message = "You>") ⇒ Object 



379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
 
# File 'lib/kward/prompt_interface.rb', line 379

def ask(message = "You>")
  was_composing = @started && @asking
  start
  @mutex.synchronize do
    preserve_input = was_composing && !@busy && !composer_input.empty?
    @prompt_label = message.to_s
    unless preserve_input
      self.composer_input = @composer.prefill_input.to_s
      @composer.prefill_input = nil
      self.composer_cursor = composer_input.length
      @composer.clear_attachments
      reset_history_navigation
    end
    @pending_keys.clear
    @asking = true
    @busy = false
    @queued_count = 0
    render_prompt_locked
  end

  loop do
    key = read_key(nonblock: true)
    result = nil
    @mutex.synchronize do
      if key.nil?
        resized = handle_resize_locked
        footer_refreshed = tick_footer_locked
        render_prompt_locked if resized || footer_refreshed
      else
        result = handle_key(key)
        render_prompt_locked unless result.is_a?(String) || result == EXIT_INPUT || prompt_action_result?(result)
      end
    end
    return result if result.is_a?(String) || prompt_action_result?(result)
    return nil if result == EXIT_INPUT

    sleep 0.02 if key.nil?
  end
end

#ask_user_question(questions) ⇒ Object 



476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
 
# File 'lib/kward/prompt_interface.rb', line 476

def ask_user_question(questions)
  return [] if questions.empty?

  start
  saved_state = nil
  answers = []
  @mutex.synchronize do
    @question_prompt_active = true
    saved_state = begin_question_prompt_state
  end

  questions.each_with_index do |question, index|
    answer = ask_single_user_question(question, index + 1, questions.length)
    if answer == SELECT_CANCEL
      finish_question_prompt(saved_state)
      return nil
    end
    answers << answer
  end

  finish_question_prompt(saved_state)
  answers
rescue StandardError
  finish_question_prompt(saved_state) if saved_state
  raise
end

#begin_busy_input(message = "You>", activity: "streaming") ⇒ Object 



664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
 
# File 'lib/kward/prompt_interface.rb', line 664

def begin_busy_input(message = "You>", activity: "streaming")
  start
  @mutex.synchronize do
    @prompt_label = message.to_s
    @busy_activity = normalize_busy_activity(activity)
    self.composer_input = ""
    self.composer_cursor = 0
    @composer.clear_attachments
              @pending_keys.clear
    @asking = true
    @busy = true
    @queued_count = 0
    @steered_count = 0
    
    reset_history_navigation
    render_prompt_locked
  end
end

#clear_steered_count ⇒ Object 



699
700
701
702
703
704
705
 
# File 'lib/kward/prompt_interface.rb', line 699

def clear_steered_count
  @mutex.synchronize do
    @steered_count = 0
    @busy_activity = "streaming"
    render_prompt_locked if @asking
  end
end

#clear_transcript ⇒ Object 



831
832
833
834
835
836
837
838
839
840
841
 
# File 'lib/kward/prompt_interface.rb', line 831

def clear_transcript
  @mutex.synchronize do
    @transcript_buffer.clear
    @transcript_viewport_rows = 0
    @stream_state.finish_block
    @stream_state.reset
    width, height = screen_size
    with_synchronized_output_locked { redraw_screen_locked(width: width, height: height) }
    @output_io.flush
  end
end

#close ⇒ Object 



228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
 
# File 'lib/kward/prompt_interface.rb', line 228

def close
  @mutex.synchronize do
    return unless @started

    clear_prompt_for_output_locked
    restore_scroll_region_locked
    disable_editor_mouse_reporting(force: true)
    @output_io.print(BRACKETED_PASTE_RESTORE)
    @output_io.print(KEYBOARD_PROTOCOL_RESTORE)
    restore_editor_cursor_shape_locked
    set_cursor_visible_locked(true, force: true)
    @output_io.puts
    @output_io.flush
    @started = false
    restore_console_mode_locked
  end
end

#composer_snapshot ⇒ Object 



589
590
591
592
593
594
595
596
 
# File 'lib/kward/prompt_interface.rb', line 589

def composer_snapshot
  @mutex.synchronize do
    {
      composer: @composer,
      prompt_label: @prompt_label
    }
  end
end

#edit_file(path, base_dir: Dir.pwd, allow_new: true) ⇒ Object 



331
332
333
334
335
336
337
338
339
340
341
 
# File 'lib/kward/prompt_interface.rb', line 331

def edit_file(path, base_dir: Dir.pwd, allow_new: true)
  start(render: false)
  opened = @mutex.synchronize do
    open_editor(path, allow_new: allow_new, base_dir: base_dir, restrict_to_workspace: false).tap do
      render_prompt_locked
    end
  end
  return false unless opened

  run_editor
end

#editing_file? ⇒ Boolean

Returns:

  • (Boolean) 


327
328
329
 
# File 'lib/kward/prompt_interface.rb', line 327

def editing_file?
  @mutex.synchronize { editor_active? }
end

#finish_busy_input ⇒ Object 



707
708
709
710
711
712
713
714
715
716
 
# File 'lib/kward/prompt_interface.rb', line 707

def finish_busy_input
  @mutex.synchronize do
    @busy = false
    @busy_activity = "streaming"
    @queued_count = 0
    @steered_count = 0
    @asking = true
    render_prompt_locked
  end
end

#finish_interactive ⇒ Object 



519
520
521
522
523
524
525
526
527
528
529
 
# File 'lib/kward/prompt_interface.rb', line 519

def finish_interactive
  @mutex.synchronize do
    return unless @interactive_state

    snapshot = @interactive_state[:snapshot]
    @interactive_state = nil
    restore_composer_snapshot_locked(snapshot)
    redraw_screen_locked if @started
    @output_io.flush
  end
end

#finish_stream_block ⇒ Object 



792
793
794
795
796
 
# File 'lib/kward/prompt_interface.rb', line 792

def finish_stream_block
  @mutex.synchronize do
    write_stream_block_locked(nil, "", finish: true)
  end
end

#interactive_active? ⇒ Boolean

Returns:

  • (Boolean) 


507
508
509
 
# File 'lib/kward/prompt_interface.rb', line 507

def interactive_active?
  @mutex.synchronize { interactive_active_locked? }
end

#interactive_exited? ⇒ Boolean

Returns:

  • (Boolean) 


511
512
513
514
515
516
517
 
# File 'lib/kward/prompt_interface.rb', line 511

def interactive_exited?
  @mutex.synchronize do
    return false unless @interactive_state

    @interactive_state[:controller].exited?
  end
end

#modal_active? ⇒ Boolean

Returns:

  • (Boolean) 


503
504
505
 
# File 'lib/kward/prompt_interface.rb', line 503

def modal_active?
  @mutex.synchronize { modal_active_locked? }
end

#new_composer_state_with_history ⇒ Object 



639
640
641
642
643
 
# File 'lib/kward/prompt_interface.rb', line 639

def new_composer_state_with_history
  composer = ComposerState.new
  composer.load_history(@prompt_history.values) if @prompt_history
  composer
end

#picker_choice_width ⇒ Object 



429
430
431
 
# File 'lib/kward/prompt_interface.rb', line 429

def picker_choice_width
  [overlay_card_width(screen_width) - 6, 1].max
end

#poll_input ⇒ Object 



718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
 
# File 'lib/kward/prompt_interface.rb', line 718

def poll_input
  key = read_key(nonblock: true)
  @mutex.synchronize do
    if interactive_active_locked?
      if key.nil?
        resized = handle_resize_locked
        ticked = tick_interactive_locked
        render_prompt_locked if resized || ticked
        return :interactive_exited if @interactive_state[:controller].exited?
        return nil
      end

      route_interactive_key(key)
      ticked = tick_interactive_locked
      render_prompt_locked if ticked
      return :interactive_exited if @interactive_state[:controller].exited?
      return nil
    end

    if key.nil?
      resized = handle_resize_locked
      spun = 
      footer_refreshed = tick_footer_locked
      render_prompt_locked if resized || spun || footer_refreshed
      return nil
    end

    if modal_active_locked?
      queue_pending_keys(key)
      return nil
    end

    result = handle_key(key)
    render_prompt_locked unless [EXIT_INPUT, CANCEL_INPUT].include?(result) || prompt_action_result?(result)
    [EXIT_INPUT, CANCEL_INPUT].include?(result) ? result : result
  end
end

#print_visual_banner(message = nil) ⇒ Object 



762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
 
# File 'lib/kward/prompt_interface.rb', line 762

def print_visual_banner(message = nil)
  @mutex.synchronize do
    width, height = screen_size
    rows = banner_rows(width, message: message)
    return if rows.empty?

    with_synchronized_output_locked do
      prepare_transcript_output_locked
      write_transcript_text_locked(rows.join("\n"))
      write_transcript_text_locked("\n")
      remember_transcript_viewport_locked(height)
      @stream_state.finish_block
      restore_composer_cursor_locked
    end
    @output_io.flush
  end
end

#redraw ⇒ Object 



815
816
817
818
819
820
821
 
# File 'lib/kward/prompt_interface.rb', line 815

def redraw
  @mutex.synchronize do
    width, height = screen_size
    with_synchronized_output_locked { redraw_screen_locked(width: width, height: height) }
    @output_io.flush
  end
end

#refresh_composer_status ⇒ Object 



823
824
825
826
827
828
829
 
# File 'lib/kward/prompt_interface.rb', line 823

def refresh_composer_status
  @mutex.synchronize do
    @cached_composer_status_text = nil
    @last_composer_status_refresh = 0.0
    render_prompt_locked if @started && @asking
  end
end

#restore_composer_snapshot(snapshot) ⇒ Object 



611
612
613
614
615
616
617
 
# File 'lib/kward/prompt_interface.rb', line 611

def restore_composer_snapshot(snapshot)
  @mutex.synchronize do
    restore_composer_snapshot_locked(snapshot)
    restore_editor_snapshot_locked(snapshot)
    redraw_screen_locked if @started
  end
end

#restore_composer_snapshot_locked(snapshot) ⇒ Object 



631
632
633
634
635
636
637
 
# File 'lib/kward/prompt_interface.rb', line 631

def restore_composer_snapshot_locked(snapshot)
  @composer = snapshot[:composer] || new_composer_state_with_history
  @prompt_label = snapshot[:prompt_label].to_s.empty? ? "You>" : snapshot[:prompt_label].to_s
  self.composer_input = @composer.input
  self.composer_cursor = @composer.cursor
  @last_composer_rows = []
end

#restore_editor_snapshot_locked(snapshot) ⇒ Object 



645
646
647
648
649
650
651
652
653
654
655
 
# File 'lib/kward/prompt_interface.rb', line 645

def restore_editor_snapshot_locked(snapshot)
  editor_was_active = editor_active?
  @editor_state = snapshot[:editor_state]&.dup
  editor_is_active = editor_active?

  if editor_is_active
    enable_editor_mouse_reporting unless editor_was_active
  else
    disable_editor_mouse_reporting(force: true)
  end
end

#restore_tab_view_snapshot(snapshot) ⇒ Object 



619
620
621
622
623
624
625
626
627
628
629
 
# File 'lib/kward/prompt_interface.rb', line 619

def restore_tab_view_snapshot(snapshot)
  @mutex.synchronize do
    restore_composer_snapshot_locked(snapshot)
    restore_editor_snapshot_locked(snapshot)
    @transcript_buffer = snapshot[:transcript_buffer] || TranscriptBuffer.new(limit: TRANSCRIPT_BUFFER_LIMIT)
    @transcript_viewport_rows = snapshot[:transcript_viewport_rows].to_i
    @stream_state = snapshot[:stream_state] || StreamState.new
    @last_composer_rows = []
    redraw_screen_locked if @started
  end
end

#restore_transcript ⇒ Object 



283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
 
# File 'lib/kward/prompt_interface.rb', line 283

def restore_transcript
  start(render: false) unless @started
  @mutex.synchronize do
    @output_io.print(SYNCHRONIZED_OUTPUT_ENABLE)
    clear_prompt_for_output_locked unless @rendered_rows.zero? && @last_composer_rows.empty?
    @transcript_buffer.clear
    @transcript_viewport_rows = 0
    @stream_state.finish_block
    @stream_state.reset
    @restoring_transcript = true
  end

  yield
ensure
  @mutex.synchronize do
    @restoring_transcript = false
    width, height = screen_size
    redraw_screen_locked(width: width, height: height)
    @output_io.print(SYNCHRONIZED_OUTPUT_DISABLE)
    @output_io.flush
  end
end

#run_editor ⇒ Object 



355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
 
# File 'lib/kward/prompt_interface.rb', line 355

def run_editor
  loop do
    key = read_key(nonblock: true)
    action = nil
    editor_open = @mutex.synchronize do
      if key.nil?
        resized = handle_resize_locked
        footer_refreshed = tick_footer_locked
        render_prompt_locked if resized || footer_refreshed
      else
        result = handle_key(key)
        action = result if prompt_action_result?(result)
        render_prompt_locked unless result.is_a?(String) || result == EXIT_INPUT || prompt_action_result?(result)
      end
      editor_active?
    end
    return action if action
    break unless editor_open

    sleep 0.02 if key.nil?
  end
  true
end

#say(message) ⇒ Object 



246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
 
# File 'lib/kward/prompt_interface.rb', line 246

def say(message)
  @mutex.synchronize do
    text = message.to_s
    if @restoring_transcript
      write_transcript_text_locked(text)
      write_transcript_text_locked("\n") unless text.end_with?("\n")
      @stream_state.finish_block
      next
    end

    with_synchronized_output_locked do
      clear_prompt_for_output_locked
      write_transcript_text_locked(text)
      write_transcript_text_locked("\n") unless text.end_with?("\n")
      @stream_state.finish_block
      render_prompt_after_output_locked
    end
    @output_io.flush
  end
end

#say_visual(message) ⇒ Object 



267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
 
# File 'lib/kward/prompt_interface.rb', line 267

def say_visual(message)
  @mutex.synchronize do
    return if @restoring_transcript

    with_synchronized_output_locked do
      clear_prompt_for_output_locked
      text = message.to_s
      write_visual_transcript_text_locked(text)
      write_visual_transcript_text_locked("\n") unless text.end_with?("\n")
      @stream_state.finish_block
      render_prompt_after_output_locked
    end
    @output_io.flush
  end
end

#scratchpad(language = :text) ⇒ Object 



343
344
345
346
347
348
349
350
351
352
353
 
# File 'lib/kward/prompt_interface.rb', line 343

def scratchpad(language = :text)
  start(render: false)
  opened = @mutex.synchronize do
    open_scratchpad(language).tap do
      render_prompt_locked
    end
  end
  return false unless opened

  run_editor
end

#select(message, choices, title: "Sessions", custom: false, initial_index: 0, action_keys: {}, action_handlers: {}) ⇒ Object 



433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
 
# File 'lib/kward/prompt_interface.rb', line 433

def select(message, choices, title: "Sessions", custom: false, initial_index: 0, action_keys: {}, action_handlers: {})
  return nil if choices.empty? && !custom

  start
  @mutex.synchronize do
    prepare_modal_input_locked(message, clear_attachments: true)
    choice_labels = choices.map(&:to_s)
    selection_index = choice_labels.empty? ? 0 : [[initial_index.to_i, 0].max, choice_labels.length - 1].min
    @select_state = { choices: choice_labels, selection_index: selection_index, title: title.to_s, custom: custom, action_keys: normalized_select_action_keys(action_keys), search_active: false }
    render_prompt_locked
  end

  loop do
    key = read_key(nonblock: true)
    result = nil
    @mutex.synchronize do
      if key.nil?
        resized = handle_resize_locked
        footer_refreshed = tick_footer_locked
        render_prompt_locked if resized || footer_refreshed
      else
        result = handle_select_key(key)
        result = drain_pending_select_keys_locked(result)
        render_prompt_locked unless result.is_a?(String) || select_action_result?(result) || result == SELECT_CANCEL
      end
    end

    if select_action_result?(result) && select_action_handler(result, action_handlers)
      action_result = run_select_action(result, select_action_handler(result, action_handlers))
      next if action_result == SELECT_CONTINUE

      return action_result
    end

    if result.is_a?(String) || select_action_result?(result) || result == SELECT_CANCEL
      finish_select_prompt(render: !select_deferred_finish_render?(result))
      return result == SELECT_CANCEL ? nil : result
    end

    sleep 0.02 if key.nil?
  end
end

#set_queued_count(count) ⇒ Object 



683
684
685
686
687
688
689
 
# File 'lib/kward/prompt_interface.rb', line 683

def set_queued_count(count)
  @mutex.synchronize do
    @queued_count = count.to_i
    @steered_count = 0 if @queued_count.positive?
    render_prompt_locked if @asking
  end
end

#set_steered_count(count) ⇒ Object 



691
692
693
694
695
696
697
 
# File 'lib/kward/prompt_interface.rb', line 691

def set_steered_count(count)
  @mutex.synchronize do
    @steered_count = count.to_i
    @queued_count = 0 if @steered_count.positive?
    render_prompt_locked if @asking
  end
end

#start(render: true) ⇒ Object 



214
215
216
217
218
219
220
221
222
223
224
225
226
 
# File 'lib/kward/prompt_interface.rb', line 214

def start(render: true)
  @mutex.synchronize do
    return if @started

    enter_raw_mode_locked
    @started = true
    @asking = true
    disable_editor_mouse_reporting(force: true) unless editor_active?
    @output_io.print(KEYBOARD_PROTOCOL_ENABLE)
    @output_io.print(BRACKETED_PASTE_ENABLE)
    render_prompt_locked if render
  end
end

#start_interactive(title:, rows:, fps:) ⇒ Object 



561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
 
# File 'lib/kward/prompt_interface.rb', line 561

def start_interactive(title:, rows:, fps:)
  snapshot = composer_snapshot
  controller = InteractiveController.new(width: interactive_canvas_width, height: rows, fps: fps)
  start
  @mutex.synchronize do
    @interactive_state = {
      title: title.to_s,
      rows: rows,
      controller: controller,
      snapshot: snapshot
    }
    @last_interactive_tick = monotonic_now
    @asking = true
    @busy = false
    @last_composer_rows = []
    render_prompt_locked
  end
  controller
end

#start_stream_block(label) ⇒ Object 



780
781
782
783
784
 
# File 'lib/kward/prompt_interface.rb', line 780

def start_stream_block(label)
  @mutex.synchronize do
    write_stream_block_locked(label, "", finish: false)
  end
end

#tab_view_snapshot ⇒ Object 



598
599
600
601
602
603
604
605
606
607
608
609
 
# File 'lib/kward/prompt_interface.rb', line 598

def tab_view_snapshot
  @mutex.synchronize do
    {
      composer: @composer.dup,
      prompt_label: @prompt_label.dup,
      editor_state: @editor_state&.dup,
      transcript_buffer: @transcript_buffer.dup,
      transcript_viewport_rows: @transcript_viewport_rows,
      stream_state: @stream_state.dup
    }
  end
end

#update_assistant_label(label) ⇒ Object 



756
757
758
759
760
 
# File 'lib/kward/prompt_interface.rb', line 756

def update_assistant_label(label)
  @mutex.synchronize do
    @assistant_label = label.to_s.empty? ? "Assistant" : label.to_s
  end
end

#update_overlay_settings(settings) ⇒ Object 



657
658
659
660
661
662
 
# File 'lib/kward/prompt_interface.rb', line 657

def update_overlay_settings(settings)
  @mutex.synchronize do
    @overlay_settings = normalize_overlay_settings(settings)
    render_prompt_locked if @started && @asking
  end
end

#update_tabs(labels:, active_index: 0) ⇒ Object 



581
582
583
584
585
586
587
 
# File 'lib/kward/prompt_interface.rb', line 581

def update_tabs(labels:, active_index: 0)
  @mutex.synchronize do
    @tabs = Array(labels).map { |label| normalize_tab_label(label) }
    @active_tab_index = active_index.to_i
    render_prompt_locked if @started && @asking
  end
end

#with_completion_provider(provider, slash_overlay: true) ⇒ Object 



306
307
308
309
310
311
312
313
314
315
 
# File 'lib/kward/prompt_interface.rb', line 306

def with_completion_provider(provider, slash_overlay: true)
  previous_provider = @completion_provider
  previous_slash_overlay_disabled = @slash_overlay_disabled
  @completion_provider = provider
  @slash_overlay_disabled = !slash_overlay
  yield
ensure
  @completion_provider = previous_provider
  @slash_overlay_disabled = previous_slash_overlay_disabled
end

#with_prompt_history(history) ⇒ Object 



317
318
319
320
321
322
323
324
325
 
# File 'lib/kward/prompt_interface.rb', line 317

def with_prompt_history(history)
  previous_history = @prompt_history
  @prompt_history = history
  load_history(@prompt_history.values) if @prompt_history
  yield
ensure
  @prompt_history = previous_history
  load_history(@prompt_history.values) if @prompt_history
end

#with_terminal_handoff ⇒ Object 



531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
 
# File 'lib/kward/prompt_interface.rb', line 531

def with_terminal_handoff
  start
  input = nil
  output = nil
  @mutex.synchronize do
    clear_prompt_for_output_locked
    restore_scroll_region_locked
    disable_editor_mouse_reporting(force: true)
    @output_io.print(BRACKETED_PASTE_RESTORE)
    @output_io.print(KEYBOARD_PROTOCOL_RESTORE)
    restore_editor_cursor_shape_locked
    set_cursor_visible_locked(true, force: true)
    @output_io.flush
    restore_console_mode_locked
    input = @input_io
    output = @output_io
  end

  yield(input, output)
ensure
  @mutex.synchronize do
    enter_raw_mode_locked
    @output_io.print(KEYBOARD_PROTOCOL_ENABLE)
    @output_io.print(BRACKETED_PASTE_ENABLE)
    @last_composer_rows = []
    render_prompt_locked if @started && @asking
    @output_io.flush
  end
end

#write_delta(delta) ⇒ Object 



786
787
788
789
790
 
# File 'lib/kward/prompt_interface.rb', line 786

def write_delta(delta)
  @mutex.synchronize do
    write_stream_block_locked(nil, delta.to_s, finish: false)
  end
end

#write_stream_block(label, delta, finish: false) ⇒ Object 



809
810
811
812
813
 
# File 'lib/kward/prompt_interface.rb', line 809

def write_stream_block(label, delta, finish: false)
  @mutex.synchronize do
    write_stream_block_locked(label, delta.to_s, finish: finish)
  end
end

#write_transcript_delta(delta) ⇒ Object 



798
799
800
801
802
803
804
805
806
807
 
# File 'lib/kward/prompt_interface.rb', line 798

def write_transcript_delta(delta)
  @mutex.synchronize do
    with_synchronized_output_locked do
      prepare_transcript_output_locked unless @restoring_transcript
      write_transcript_text_locked(delta.to_s)
      restore_composer_cursor_locked unless @restoring_transcript
    end
    @output_io.flush unless @restoring_transcript
  end
end

#yes?(message, default: false) ⇒ Boolean

Returns:

  • (Boolean) 


419
420
421
422
423
424
425
426
427
 
# File 'lib/kward/prompt_interface.rb', line 419

def yes?(message, default: false)
  answer = ask("#{message} #{default ? "[Y/n]" : "[y/N]"}")
  return default if answer.nil?

  answer = answer.strip.downcase
  return default if answer.empty?

  answer.start_with?("y")
end