Class: DynamicCursesInput::InputHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/dynamic_curses_input/input_handler.rb

Overview

our main class for handling input

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(echo) ⇒ InputHandler

Initialize instance variables and setup curses



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# File 'lib/dynamic_curses_input/input_handler.rb', line 16

def initialize(echo)
  @echo = echo # Determines whether input should be echoed to the screen
  @input = '' # Stores the input string
  @cursor_pos = 0 # Stores the current cursor position
  @initial_y = Curses.stdscr.cury # Stores the initial y-coordinate of the cursor
  @initial_x = Curses.stdscr.curx # Stores the initial x-coordinate of the cursor
  setup_curses # Setup curses
end

Class Method Details

.catch_input(echo) ⇒ Object

Class method that initializes a new instance of InputHandler and calls the instance method catch_input



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# File 'lib/dynamic_curses_input/input_handler.rb', line 11

def self.catch_input(echo)
  new(echo).catch_input
end

Instance Method Details

#catch_input ⇒ Object

Main method that catches user input



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# File 'lib/dynamic_curses_input/input_handler.rb', line 26

def catch_input
  # Loop until the user hits the enter key (represented by :break)
  while (chk = Curses.getch)
    break if handle_key(chk) == :break

    redraw_input # Redraw the input string
  end
  Curses.echo if @echo # Echo the input if @echo is true
  @input # Return the input string
end