twentefp-eventloop-graphics-0.1.0.1: An eventloop based graphical IO system. Used as Lab Assignments Environment at Univeriteit Twente

Safe Haskell	None
Language	Haskell98

EventLoop

Documentation

start :: (a -> InputEvent -> ([OutputEvent], a)) -> a -> IO () Source

type Pos = (Float, Float) Source

type Dimension = (Float, Float) Source

type Element = [Char] Source

data InputEvent Source

Constructors

InMouse Mouse
InKeyboard Keyboard
InSysMessage SystemMessageIn

data Keyboard Source

Constructors

KeyPress KeyboardButton

type KeyboardButton = [Char] Source

data Mouse Source

Constructors

MouseClick MouseButton Pos Element
MouseUp MouseButton Pos Element
MouseDown MouseButton Pos Element

Instances

data MouseButton Source

Constructors

MLeft
MRight
MMiddle

Instances

Show MouseButton

data SystemMessageIn Source

Constructors

Setup
Background
Time

data OutputEvent Source

Constructors

OutGraphical Graphical
OutSysMessage [SystemMessageOut]

data SystemMessageOut Source

Constructors

CanvasSetup Dimension
Timer Bool
Close

data Graphical Source

Constructors

Draw GObject Groupname
MoveGroup Groupname Pos Relative
MoveElement Name Pos Relative
RemoveGroup Groupname
RemoveElement Name

data GObject Source

Constructors

GObject
Fields name :: Name prim :: Primitive children :: [GObject]
Container
Fields children :: [GObject]

Instances

data Primitive Source

Constructors

Text
Fields edgeColor :: Color edgeThickness :: Float color :: Color position :: Pos size :: Float font :: Font text :: [Char] fromCenter :: Bool
Line
Fields edgeColor :: Color edgeThickness :: Float positions :: [Pos]
Rect
Fields edgeColor :: Color edgeThickness :: Float color :: Color position :: Pos dimensions :: Dimension
Arc
Fields edgeColor :: Color edgeThickness :: Float color :: Color position :: Pos radius :: Float startAng :: Float endAng :: Float

Instances

Eq Primitive
Show Primitive

type Name = [Char] Source

type Groupname = [Char] Source

type Color = (Float, Float, Float) Source

type Font = [Char] Source

type Relative = Bool Source

outSingle :: OutputEvent -> IO () Source