Show HN: RatatuiRuby wraps Rust Ratatui as a RubyGem – TUIs with the joy of Ruby

Summary

Inline Viewports Standard TUIs erase themselves on exit. Your carefully formatted CLI output disappears. Users lose their scrollback. Inline viewports solve this. They occupy a fixed number of lines, render rich UI, then leave the output in place when done. Perfect for spinners, menus, progress indicators—any brief moment of richness. class Spinner def main RatatuiRuby.run(viewport: :inline, height: 1) do |tui| until connected? status = tui.paragraph(text: "#{spin} Connecting...") tui.draw { |frame| frame.render_widget(status, frame.area) } return ending(tui, "Canceled!", :red) if tui.poll_event.ctrl_c? end ending(tui, "Connected!", :green) end end def ending(tui, message, color) = tui.draw do |frame| frame.render_widget(tui.paragraph(text: message, fg: color), frame.area) end def initialize = (@frame, @finish = 0, Time.now + 2) def connected? = Time.now >= @finish def spin = SPINNER[(@frame += 1) % SPINNER.length] SPINNER = %w[⠋ ⠙ ⠹ ⠸ ⠼ ⠴ ⠦ ⠧ ⠇ ⠏] end Spinner.new.main; puts