RadioButtons

日本語

RadioButtons presents a group in which at most one option is selected.

Appearance

Runnable example

require "uing"

UIng.init

window = UIng::Window.new("RadioButtons Example", 300, 100, margined: true)
window.on_closing do
  UIng.quit
  true
end

group = UIng::Group.new("Options")

radio_buttons = UIng::RadioButtons.new(["Option 1", "Option 2", "Option 3"])
radio_buttons.selected = 0
radio_buttons.on_selected do |idx|
  window.msg_box("RadioButtons Changed", "Selected index: #{idx}")
end

group.child = radio_buttons
window.child = group
window.show

UIng.main
UIng.uninit

Usage notes

• Selection uses a zero-based index and may be nil.
• on_selected receives the selected index.

API reference · Gallery source