HTk.Canvasitems.Rectangle

HTk's rectangle canvas item. A rectangle object on a canvas widget.

Documentation

data Rectangle

The Rectangle datatype.

Instances

Eq Rectangle

Methods

(==) :: Rectangle -> Rectangle -> Bool

(/=) :: Rectangle -> Rectangle -> Bool

Destroyable Rectangle

A rectangle item can be destroyed.

Methods

destroy :: Rectangle -> IO ()

Synchronized Rectangle

You can synchronize on a rectangle item.

Methods

synchronize :: Rectangle -> IO b -> IO b

GUIObject Rectangle

Internal.

Methods

toGUIObject :: Rectangle -> GUIOBJECT

cname :: Rectangle -> String

cset :: GUIValue a => Rectangle -> ConfigID -> a -> IO Rectangle

cget :: GUIValue a => Rectangle -> ConfigID -> IO a

HasGeometry Rectangle

An alternative way to specify a rectangle's coords.

Methods

geometry :: Geometry -> Config Rectangle

getGeometry :: Rectangle -> IO Geometry

HasPosition Rectangle

You can specify the (upper left) position of a rectangle.

Methods

position :: Position -> Config Rectangle

getPosition :: Rectangle -> IO Position

HasSize Rectangle

You can specify the size of an rectangle item.

Methods

width :: Distance -> Config Rectangle

getWidth :: Rectangle -> IO Distance

height :: Distance -> Config Rectangle

getHeight :: Rectangle -> IO Distance

size :: Size -> Config Rectangle

getSize :: Rectangle -> IO Size

FilledCanvasItem Rectangle

A rectangle item is a filled canvas item (it has filling, outline, outline width, and stipple configurations).

Methods

filling :: ColourDesignator c => c -> Config Rectangle

getFilling :: Rectangle -> IO Colour

outline :: ColourDesignator c => c -> Config Rectangle

getOutline :: Rectangle -> IO Colour

stipple :: BitMapHandle -> Config Rectangle

getStipple :: Rectangle -> IO BitMapHandle

outlinewidth :: Distance -> Config Rectangle

getOutlineWidth :: Rectangle -> IO Distance

CanvasItem Rectangle

A rectangle item is a canvas item (any canvas item is an instance of the abstract class CanvasItem).

TaggedCanvasItem Rectangle

A rectangle item can have several tags (handlers for a set of canvas items).

Methods

tags :: [CanvasTag] -> Config Rectangle

createRectangle

Arguments

:: Canvas

the parent canvas.

-> [Config Rectangle]

the list of configuration options for this rectangle item.

-> IO Rectangle

A rectangle item.

Constructs a new rectangle item.