class

Opal::UI::RadioSet

Inherits Opal::UI::Control < Opal::UI::InputHookable < Opal::UI::Element < Opal::UI::Themable < Reference < Object

Group container for mutually exclusive radio choices inspired by Python Textual's RadioSet. Features arrow key navigation, space/enter activation, mouse clicks, and custom glyph swaps.

Constructors

new(items : Array(String | RadioButton), selected_index : Int32 | Nil = 0, horizontal : Bool = false, disabled : Bool = false, on_change : Proc(Int32, String, Nil) | Nil = nil)

new(items : Array(String | RadioButton), selected_index : Int32 | Nil = 0, horizontal : Bool = false, disabled : Bool = false, &block : Int32, String -> Nil) : RadioSet

Instance methods

active_border_fg

Manipulable theme properties

active_border_fg=(active_border_fg : Color | Nil)

Manipulable theme properties

buttons

buttons=(buttons : Array(RadioButton))

cursor

Focused index within the radio set

cursor=(cursor : Int32)

Focused index within the radio set

disabled=(disabled : Bool)

disabled?

handle_key(event : Terminal::KeyEvent) : Bool

Default key event handler. Override in subclasses if not using @default_input_proc.

handle_mouse(event : Terminal::MouseEvent) : Bool

Default mouse event handler. Override in subclasses if not using @default_input_proc.

horizontal=(horizontal : Bool)

horizontal?

item_spacing

item_spacing=(item_spacing : Int32)

on_change

on_change

on_change=(on_change : Proc(Int32, String, Nil) | Nil)

preferred_size(available_w : Int32, available_h : Int32) : Tuple(Int32, Int32)

render(buffer : Buffer, x : Int32, y : Int32, width : Int32, height : Int32) : Nil

select_by_label(label : String) : self

select_index(idx : Int32, fire_callback : Bool = true) : self

Selects radio button at given index, deselecting others

selected_index

Returns the index of the currently selected button, or nil if none

selected_label

Returns the label of the currently selected button, or nil if none