Class: DynamicCursesInput::ColorWindow

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

Overview

Class for creating a colored window

Instance Method Summary collapse

Constructor Details

#initialize(echo, x, y) ⇒ ColorWindow

Initialize instance variables and setup curses



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# File 'lib/dynamic_curses_input/color_window.rb', line 12

def initialize(echo, x, y) # rubocop:disable Metrics/MethodLength, Naming/MethodParameterName
  @echo = echo # Determines whether input should be echoed to the screen
  setup_curses_color # Setup curses
  @x = x
  @y = y
  # Define color pairs
  Curses.init_pair(1, Curses::COLOR_BLACK, Curses::COLOR_BLACK)
  Curses.init_pair(2, Curses::COLOR_BLUE, Curses::COLOR_BLACK)
  Curses.init_pair(3, Curses::COLOR_GREEN, Curses::COLOR_BLACK)
  Curses.init_pair(4, Curses::COLOR_CYAN, Curses::COLOR_BLACK)
  Curses.init_pair(5, Curses::COLOR_RED, Curses::COLOR_BLACK)
  Curses.init_pair(6, Curses::COLOR_MAGENTA, Curses::COLOR_BLACK)
  Curses.init_pair(7, Curses::COLOR_YELLOW, Curses::COLOR_BLACK) # Brown is usually represented as yellow
  Curses.init_pair(8, Curses::COLOR_WHITE, Curses::COLOR_BLACK)
end

Instance Method Details

#add_color_window(color, text, x, y, input: nil, echo: true) ⇒ Object

Method that adds colored text to the window



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# File 'lib/dynamic_curses_input/color_window.rb', line 29

def add_color_window(color, text, x, y, input: nil, echo: true) # rubocop:disable Metrics/MethodLength, Metrics/ParameterLists, Naming/MethodParameterName
  # Map color names to color pair numbers
  color_map = {
    'black' => 1,
    'blue' => 2,
    'green' => 3,
    'cyan' => 4,
    'red' => 5,
    'magenta' => 6,
    'brown' => 7, # Brown is usually represented as yellow in terminal colors
    'white' => 8
  }

  # Get the color pair number for the specified color
  color_pair = color_map[color.downcase]

  # Set the cursor position if both x and y are specified
  if x && y
    set_position(y, x)
  elsif x.nil? && y.nil?
    # If both x and y are not specified, raise an ArgumentError
    raise ArgumentError, 'Both x and y coordinates must be specified for printing the color window.'
  end

  # Print the text in the specified color
  Curses.attron(Curses.color_pair(color_pair))
  Curses.addstr(text)
  Curses.attroff(Curses.color_pair(color_pair))

  # If an input is specified, take input from the user
  InputHandler.catch_input(echo) if input

  Curses.refresh
end