91 lines
3.2 KiB
Ruby
91 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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# lib/dynamic_curses_input.rb
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require 'readline' # Add the Readline module
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require_relative 'dynamic_curses_input/version'
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require_relative 'dynamic_curses_input/input_handler'
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require_relative 'dynamic_curses_input/color_window'
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# The module entrypoint for our Gem
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module DynamicCursesInput
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class Error < StandardError; end
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# Whether or not to output the user entered text to STDOUT
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def self.catch_input(echo)
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InputHandler.catch_input(echo)
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end
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def self.ask_question(color = 'white', question, x: 'center', input: true, echo: nil) # rubocop:disable Naming/MethodParameterName
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Curses.clear
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ColorWindow.add_color_window(color, question, y:, x:, input:, echo:)
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end
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def self.print_color_window(color, text, y_value: nil, x: 'center', input: nil, echo: true) # rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength, Metrics/ParameterLists, Naming/MethodParameterName
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case x
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when 'center'
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terminal_size = `stty size`.split.map(&:to_i)
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y_value = terminal_size[0] / 2
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x_value = terminal_size[1] / 2 - text.length / 2 # Adjust x-coordinate to center the window
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x_value -= 12 if x_value > 1
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# the above line shifts the X value of the cell coords back by 12 cells if we are trying to center the window
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# we have to do this because math gets kind of approximate when we convert pixel ratios to character cell coords
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when 'left'
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y_value = Curses.lines / 2
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x_value = 0
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when 'right'
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y_value = Curses.lines / 2
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x_value = Curses.cols - text.length
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when 'left_center'
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y_value = Curses.lines / 4
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x_value = 0
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when 'right_center'
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y_value = Curses.lines / 4
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x_value = Curses.cols - text.length
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else
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y_value, x_value = x.split('px').map(&:to_i)
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end
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# Initialize curses and get the terminal size
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Curses.init_screen
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Curses.start_color
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Curses.refresh
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# Set up Readline for proper terminal settings
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setup_readline
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ColorWindow.new(echo, x_value, y_value).add_color_window(color, text, x_value, y_value, input:, echo:)
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end
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class << self
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private
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def process_print_color_window_args(args) # rubocop:disable Metrics/MethodLength
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case args.size
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when 2
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['white', args[0], args[1], 'center', nil, true]
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when 3
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['white', args[0], args[1], args[2], nil, true]
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when 4
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['white', args[0], args[1], args[2], args[3], true]
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when 5
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[args[0], args[1], args[2], args[3], args[4]]
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else
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raise ArgumentError, 'print_color_window accepts 2 to 5 arguments: color, text, [position], [input], [echo]'
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end
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end
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end
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def self.setup_readline
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# Set up Readline for proper terminal settings
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Readline.emacs_editing_mode
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# the above line sets Readline to emacs_editing_mode so that terminals behave like they're supposed to
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Readline.completion_append_character = ' '
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# we remove Readlines thing where it adds a space to the end of tab completes because it breaks the Curses cursor
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Readline.completion_proc = proc { |_s| [] }
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# here we basically are disabling tab completion all together. That's because for some reason it breaks the cursor
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end
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end
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DCI = DynamicCursesInput
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