Graphics.UI.Gtk.Entry.HScale

Gtk2Hs

Portability	portable (depends on GHC)
Stability	provisional
Maintainer	gtk2hs-users@lists.sourceforge.net

Contents

Detail
Class Hierarchy
Types
Constructors

Description

A horizontal slider widget for selecting a value from a range

Synopsis

data HScale

class ScaleClass o => HScaleClass o

castToHScale :: GObjectClass obj => obj -> HScale

toHScale :: HScaleClass o => o -> HScale

hScaleNew :: Adjustment -> IO HScale

hScaleNewWithRange :: Double -> Double -> Double -> IO HScale

Detail

The HScale widget is used to allow the user to select a value using a horizontal slider. To create one, use hScaleNewWithRange.

The position to show the current value, and the number of decimal places shown can be set using the parent Scale class's functions.

Class Hierarchy

 |  GObject
 |   +----Object
 |         +----Widget
 |               +----Range
 |                     +----Scale
 |                           +----HScale

Types

data HScale

Instances

class ScaleClass o => HScaleClass o

Instances

HScaleClass HScale

castToHScale :: GObjectClass obj => obj -> HScale

toHScale :: HScaleClass o => o -> HScale

Constructors

hScaleNew

:: Adjustment	`adjustment` - the `Adjustment` which sets the range of the scale.
-> IO HScale
Creates a new `HScale`.

hScaleNewWithRange

:: Double	`min` - minimum value
-> Double	`max` - maximum value
-> Double	`step` - step increment (tick size) used with keyboard shortcuts
-> IO HScale
Creates a new horizontal scale widget that lets the user input a number between `min` and `max` (including `min` and `max`) with the increment `step`. `step` must be nonzero; it's the distance the slider moves when using the arrow keys to adjust the scale value. Note that the way in which the precision is derived works best if `step` is a power of ten. If the resulting precision is not suitable for your needs, use `scaleSetDigits` to correct it.

Produced by Haddock version 0.8