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

Graphics.UI.Gtk.Layout.Alignment

Contents

Detail
Class Hierarchy
Types
Constructors
Methods
Attributes

Description

A widget which controls the alignment and size of its child

Synopsis

Detail

The Alignment widget controls the alignment and size of its child widget. It has four settings: xscale, yscale, xalign, and yalign.

The scale settings are used to specify how much the child widget should expand to fill the space allocated to the Alignment. The values can range from 0 (meaning the child doesn't expand at all) to 1 (meaning the child expands to fill all of the available space).

The align settings are used to place the child widget within the available area. The values range from 0 (top or left) to 1 (bottom or right). Of course, if the scale settings are both set to 1, the alignment settings have no effect.

Class Hierarchy

| GObject
| +----Object
| +----Widget
| +----Container
| +----Bin
| +----Alignment

Types

data Alignment Source

Instances

Eq Alignment
Ord Alignment
GObjectClass Alignment
AlignmentClass Alignment
BinClass Alignment
ContainerClass Alignment
WidgetClass Alignment

class BinClass o => AlignmentClass o Source

Instances

AlignmentClass Alignment

castToAlignment :: GObjectClass obj => obj -> Alignment Source

gTypeAlignment :: GType Source

toAlignment :: AlignmentClass o => o -> Alignment Source

Constructors

alignmentNew Source

Arguments

:: Float	`xalign` - the horizontal alignment of the child widget, from 0 (left) to 1 (right).
-> Float	`yalign` - the vertical alignment of the child widget, from 0 (top) to 1 (bottom).
-> Float	`xscale` - the amount that the child widget expands horizontally to fill up unused space, from 0 to 1. A value of 0 indicates that the child widget should never expand. A value of 1 indicates that the child widget will expand to fill all of the space allocated for the `Alignment`.
-> Float	`yscale` - the amount that the child widget expands vertically to fill up unused space, from 0 to 1. The values are similar to `xscale`.
-> IO Alignment

Creates a new Alignment.

Methods

alignmentSet Source

Arguments

:: AlignmentClass self
=> self
-> Float	`xalign` - the horizontal alignment of the child widget, from 0 (left) to 1 (right).
-> Float	`yalign` - the vertical alignment of the child widget, from 0 (top) to 1 (bottom).
-> Float	`xscale` - the amount that the child widget expands horizontally to fill up unused space, from 0 to 1. A value of 0 indicates that the child widget should never expand. A value of 1 indicates that the child widget will expand to fill all of the space allocated for the `Alignment`.
-> Float	`yscale` - the amount that the child widget expands vertically to fill up unused space, from 0 to 1. The values are similar to `xscale`.
-> IO ()

Sets the Alignment values.

alignmentSetPadding Source

Arguments

:: AlignmentClass self
=> self
-> Int	`paddingTop` - the padding at the top of the widget
-> Int	`paddingBottom` - the padding at the bottom of the widget
-> Int	`paddingLeft` - the padding at the left of the widget
-> Int	`paddingRight` - the padding at the right of the widget.
-> IO ()

Sets the padding on the different sides of the widget. The padding adds blank space to the sides of the widget. For instance, this can be used to indent the child widget towards the right by adding padding on the left.

Available since Gtk+ version 2.4

alignmentGetPadding Source

Arguments

:: AlignmentClass self
=> self
-> IO (Int, Int, Int, Int)	`(paddingTop, paddingBottom, paddingLeft, paddingRight)` - the padding at the top, bottom, left and right of the widget.