Safe Haskell	None
Language	Haskell2010

Rasa.Internal.Utility

Synopsis

Documentation

type Width = Int Source #

type Height = Int Source #

class Renderable r where Source #

Represents how to render an entity

Minimal complete definition

render

Methods

render :: Width -> Height -> ScrollPos -> r -> App (Maybe RenderInfo) Source #

Instances

Renderable YiString Source #
Methods render :: Width -> Height -> ScrollPos -> YiString -> App (Maybe RenderInfo) Source #
Renderable BufRef Source #
Methods render :: Width -> Height -> ScrollPos -> BufRef -> App (Maybe RenderInfo) Source #
Renderable RenderInfo Source #
Methods render :: Width -> Height -> ScrollPos -> RenderInfo -> App (Maybe RenderInfo) Source #
Renderable r => Renderable (Maybe r) Source #
Methods render :: Width -> Height -> ScrollPos -> Maybe r -> App (Maybe RenderInfo) Source #

data RenderInfo Source #

RenderInfo is the data necessary to render something; it consists of a block of text with its associated styles. It is a Monoid and can be appended with other RenderInfos.

Constructors

RenderInfo YiString Styles

Instances

Monoid RenderInfo Source #	Appends to RenderInfo by appending the text and styles while preserving proper text/style alignment
Methods mempty :: RenderInfo # mappend :: RenderInfo -> RenderInfo -> RenderInfo # mconcat :: [RenderInfo] -> RenderInfo #
Renderable RenderInfo Source #
Methods render :: Width -> Height -> ScrollPos -> RenderInfo -> App (Maybe RenderInfo) Source #

type ScrollPos = Int Source #

cropToViewport :: Height -> ScrollPos -> RenderInfo -> RenderInfo Source #

Crop text verticaly to only the visible portion according to viewport height and scroll position.

styleText :: YiString -> Style -> RenderInfo Source #

Add a style to some text resulting in a RenderInfo