class

Opal::UI::Viewport

Scrollable viewport element displaying a subset of content with an optional scroll indicator.

Constructors

new(content : String = "", offset_y : Int32 = 0, fg : Color | Symbol | String = Color.none, show_scrollbar : Bool = true)

content

content=(content : String)

fg=(fg : Color)

offset_y

offset_y=(offset_y : Int32)

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

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

scroll_down(lines : Int32 = 1) : Nil

scroll_up(lines : Int32 = 1) : Nil

show_scrollbar=(show_scrollbar : Bool)

show_scrollbar?