Graphics.UI.Gtk.Selectors.ColorButton

A button to launch a color selection dialog

• Module available since Gtk+ version 2.4

Detail

The ColorButton is a button which displays the currently selected color an allows to open a color selection dialog to change the color. It is suitable widget for selecting a color in a preference dialog.

Class Hierarchy

| GObject
| +----Object
| +----Widget
| +----Container
| +----Bin
| +----Button
| +----ColorButton

Types

data ColorButton

Instances

Eq ColorButton

Ord ColorButton

GObjectClass ColorButton

ColorButtonClass ColorButton

ButtonClass ColorButton

BinClass ColorButton

ContainerClass ColorButton

WidgetClass ColorButton

class ButtonClass o => ColorButtonClass o

Instances

ColorButtonClass ColorButton

castToColorButton :: GObjectClass obj => obj -> ColorButton

gTypeColorButton :: GType

toColorButton :: ColorButtonClass o => o -> ColorButton

Constructors

colorButtonNew :: IO ColorButton

Creates a new color button. This returns a widget in the form of a small button containing a swatch representing the current selected color. When the button is clicked, a color-selection dialog will open, allowing the user to select a color. The swatch will be updated to reflect the new color when the user finishes.

colorButtonNewWithColor

Arguments

:: Color

color - A Color to set the current color with.

-> IO ColorButton

Creates a new color button.

Methods

colorButtonSetColor

Arguments

:: ColorButtonClass self

=> self

-> Color

color - A Color to set the current color with.

-> IO ()

Sets the current color to be color.

colorButtonGetColor :: ColorButtonClass self => self -> IO Color

Returns the current color value.

colorButtonSetAlpha

Arguments

:: ColorButtonClass self

=> self

-> Word16

alpha - an integer between 0 and 65535.

-> IO ()

Sets the current opacity to be alpha.

colorButtonGetAlpha

Arguments

:: ColorButtonClass self

=> self

-> IO Word16

returns an integer between 0 and 65535.

Returns the current alpha value.

colorButtonSetUseAlpha

Arguments

:: ColorButtonClass self

=> self

-> Bool

useAlpha - True if color button should use alpha channel, False if not.

-> IO ()

Sets whether or not the color button should use the alpha channel.

colorButtonGetUseAlpha

Arguments

:: ColorButtonClass self

=> self

-> IO Bool

returns True if the color sample uses alpha channel, False if not.

Does the color selection dialog use the alpha channel?

colorButtonSetTitle

Arguments

:: (ColorButtonClass self, GlibString string)

=> self

-> string

title - String containing new window title.

-> IO ()

Sets the title for the color selection dialog.

colorButtonGetTitle

Arguments

:: (ColorButtonClass self, GlibString string)

=> self

-> IO string

returns An internal string, do not free the return value

Gets the title of the color selection dialog.

Attributes

colorButtonUseAlpha :: ColorButtonClass self => Attr self Bool

If this property is set to True, the color swatch on the button is rendered against a checkerboard background to show its opacity and the opacity slider is displayed in the color selection dialog.

Default value: False

colorButtonTitle :: (ColorButtonClass self, GlibString string) => Attr self string

The title of the color selection dialog

Default value: "Pick a Color"

colorButtonAlpha :: ColorButtonClass self => Attr self Word16

The selected opacity value (0 fully transparent, 65535 fully opaque).

Allowed values: <= 65535

Default value: 65535

Signals

onColorSet :: ColorButtonClass self => self -> IO () -> IO (ConnectId self)

The colorSet signal is emitted when the user selects a color. When handling this signal, use colorButtonGetColor and colorButtonGetAlpha to find out which color was just selected.

afterColorSet :: ColorButtonClass self => self -> IO () -> IO (ConnectId self)

The colorSet signal is emitted when the user selects a color. When handling this signal, use colorButtonGetColor and colorButtonGetAlpha to find out which color was just selected.