Safe Haskell	None
Language	Haskell2010

Colog.Polysemy.Formatting.Color

Description

Synopsis

data Color
- = Black
- | Red
- | Green
- | Yellow
- | Blue
- | Magenta
- | Cyan
- | White
data UseColor
- = DoUseColor
- | DontUseColor
termColorSupport :: Handle -> IO UseColor
getWithFG :: UseColor -> Color -> Builder -> Builder

Documentation

data Color #

ANSI's eight standard colors. They come in two intensities, which are controlled by ColorIntensity. Many terminals allow the colors of the standard palette to be customised, so that, for example, setSGR [ SetColor Foreground Vivid Green ] may not result in bright green characters.

Constructors

Black
Red
Green
Yellow
Blue
Magenta
Cyan
White

Instances

Instances details

Bounded Color
Instance details Defined in System.Console.ANSI.Types Methods minBound :: Color # maxBound :: Color #
Enum Color
Instance details Defined in System.Console.ANSI.Types Methods succ :: Color -> Color # pred :: Color -> Color # toEnum :: Int -> Color # fromEnum :: Color -> Int # enumFrom :: Color -> [Color] # enumFromThen :: Color -> Color -> [Color] # enumFromTo :: Color -> Color -> [Color] # enumFromThenTo :: Color -> Color -> Color -> [Color] #
Eq Color
Instance details Defined in System.Console.ANSI.Types Methods (==) :: Color -> Color -> Bool # (/=) :: Color -> Color -> Bool #
Ord Color
Instance details Defined in System.Console.ANSI.Types Methods compare :: Color -> Color -> Ordering # (<) :: Color -> Color -> Bool # (<=) :: Color -> Color -> Bool # (>) :: Color -> Color -> Bool # (>=) :: Color -> Color -> Bool # max :: Color -> Color -> Color # min :: Color -> Color -> Color #
Read Color
Instance details Defined in System.Console.ANSI.Types Methods readsPrec :: Int -> ReadS Color # readList :: ReadS [Color] # readPrec :: ReadPrec Color # readListPrec :: ReadPrec [Color] #
Show Color
Instance details Defined in System.Console.ANSI.Types Methods showsPrec :: Int -> Color -> ShowS # show :: Color -> String # showList :: [Color] -> ShowS #
Ix Color
Instance details Defined in System.Console.ANSI.Types Methods range :: (Color, Color) -> [Color] # index :: (Color, Color) -> Color -> Int # unsafeIndex :: (Color, Color) -> Color -> Int # inRange :: (Color, Color) -> Color -> Bool # rangeSize :: (Color, Color) -> Int # unsafeRangeSize :: (Color, Color) -> Int #

data UseColor Source #

A Bool-isomorphic type for expressing whether output should use color or not.

Constructors

DoUseColor
DontUseColor

termColorSupport :: Handle -> IO UseColor Source #

Detect whether the terminal at the given handle (e.g. stdout) supports color output.

getWithFG Source #

Arguments

:: UseColor	Whether to actually use color, or ignore any given color.
-> Color	The color to set the foreground text to
-> Builder
-> Builder

Generate a function for setting the foreground color.