Maintainer	gtk2hs-users@lists.sourceforge.net
Stability	provisional
Portability	portable (depends on GHC)
Safe Haskell	None
Language	Haskell98

Graphics.UI.Gtk.Layout.AspectFrame

Contents

Detail
Class Hierarchy
Types
Constructors
Methods
Attributes

Description

A frame that constrains its child to a particular aspect ratio

Synopsis

Detail

The AspectFrame is useful when you want pack a widget so that it can resize but always retains the same aspect ratio. For instance, one might be drawing a small preview of a larger image. AspectFrame derives from Frame, so it can draw a label and a frame around the child. The frame will be "shrink-wrapped" to the size of the child.

Class Hierarchy

| GObject
| +----Object
| +----Widget
| +----Container
| +----Bin
| +----Frame
| +----AspectFrame

Types

data AspectFrame Source #

Instances

Eq AspectFrame Source #
Methods (==) :: AspectFrame -> AspectFrame -> Bool # (/=) :: AspectFrame -> AspectFrame -> Bool #
Ord AspectFrame Source #
Methods compare :: AspectFrame -> AspectFrame -> Ordering # (<) :: AspectFrame -> AspectFrame -> Bool # (<=) :: AspectFrame -> AspectFrame -> Bool # (>) :: AspectFrame -> AspectFrame -> Bool # (>=) :: AspectFrame -> AspectFrame -> Bool # max :: AspectFrame -> AspectFrame -> AspectFrame # min :: AspectFrame -> AspectFrame -> AspectFrame #
GObjectClass AspectFrame Source #
Methods toGObject :: AspectFrame -> GObject # unsafeCastGObject :: GObject -> AspectFrame #
AspectFrameClass AspectFrame Source #

FrameClass AspectFrame Source #

BinClass AspectFrame Source #

ContainerClass AspectFrame Source #

WidgetClass AspectFrame Source #

class FrameClass o => AspectFrameClass o Source #

Instances

AspectFrameClass AspectFrame Source #

castToAspectFrame :: GObjectClass obj => obj -> AspectFrame Source #

gTypeAspectFrame :: GType Source #

toAspectFrame :: AspectFrameClass o => o -> AspectFrame Source #

Constructors

aspectFrameNew Source #

Arguments

:: Float	`xalign` - Horizontal alignment of the child within the allocation of the `AspectFrame`. This ranges from 0.0 (left aligned) to 1.0 (right aligned)
-> Float	`yalign` - Vertical alignment of the child within the allocation of the `AspectFrame`. This ranges from 0.0 (left aligned) to 1.0 (right aligned)
-> Maybe Float	`ratio` - The desired aspect ratio. If `Nothing` the aspect ratio is taken from the requistion of the child.
-> IO AspectFrame

Create a new AspectFrame.

The frame may be augmented with a label which can be set by frameSetLabel.

Methods

aspectFrameSet Source #

Arguments

:: AspectFrameClass self
=> self
-> Float	`xalign` - Horizontal alignment of the child within the allocation of the `AspectFrame`. This ranges from 0.0 (left aligned) to 1.0 (right aligned)
-> Float	`yalign` - Vertical alignment of the child within the allocation of the `AspectFrame`. This ranges from 0.0 (left aligned) to 1.0 (right aligned)
-> Maybe Float	`ratio` - The desired aspect ratio. If `Nothing` the aspect ratio is taken from the requistion of the child.
-> IO ()

Set parameters for an existing AspectFrame.

Attributes

aspectFrameXAlign :: AspectFrameClass self => Attr self Float Source #

X alignment of the child.

Allowed values: [0,1]

Default value: 0.5

aspectFrameYAlign :: AspectFrameClass self => Attr self Float Source #

Y alignment of the child.

Allowed values: [0,1]

Default value: 0.5

aspectFrameRatio :: AspectFrameClass self => Attr self Float Source #

Aspect ratio if obey_child is False.

Allowed values: [1e-04,10000]

Default value: 0.5

aspectFrameObeyChild :: AspectFrameClass self => Attr self Bool Source #

Force aspect ratio to match that of the frame's child.

Default value: True