class

Opal::UI::Slider

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

Interactive numeric slider control supporting mouse dragging, wheel scrolling, arrow navigation, custom glyphs, and theming.

Constructors

new(value : Number = 0.0, min : Number = 0.0, max : Number = 100.0, step : Number = 1.0, label : String | Nil = nil, show_value : Bool = true, disabled : Bool = false, on_change : Proc(Float64, Nil) | Nil = nil)

new(value : Number = 0.0, min : Number = 0.0, max : Number = 100.0, step : Number = 1.0, label : String | Nil = nil, show_value : Bool = true, disabled : Bool = false, &block : Float64 -> Nil) : Slider

Instance methods

disabled=(disabled : Bool)

disabled?

fill_char

fill_char=(fill_char : Char)

fill_fg

fill_fg=(fill_fg : Color | Nil)

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.

label

label=(label : String | Nil)

label_fg

label_fg=(label_fg : Color | Nil)

max

max=(max : Float64)

min

min=(min : Float64)

on_change

on_change

on_change=(on_change : Proc(Float64, 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

show_value=(show_value : Bool)

show_value?

step

step=(step : Float64)

thumb_char

thumb_char=(thumb_char : Char)

thumb_fg

thumb_fg=(thumb_fg : Color | Nil)

track_char

Customizable theme and styling

track_char=(track_char : Char)

Customizable theme and styling

track_fg

track_fg=(track_fg : Color | Nil)

value

value=(val : Number)

value_fg

value_fg=(value_fg : Color | Nil)