GUI.MLens.Gtk

The main LGtk interface, ideally users should import only this module.

Lenses and references

module Control.MLens

GUI combinators

data I m

Interface description parametrized by a monad

Constructors

Label (Free m String)

label

Button

button

Fields

label_ :: Free m String

action_ :: Free m (Maybe (m ()))

when the Maybe value is Nothing, the button is inactive

Checkbox (Ref m Bool)

checkbox

Combobox [String] (Ref m Int)

combo box

Entry (Ref m String)

entry field

List ListLayout [I m]

group interfaces into row or column

Notebook [(String, I m)]

tabs

forall a . Eq a => Cell

dynamic interface

Fields

remember_content_ :: Bool

remember the content or not? (info for the renderer)

underlying_value_ :: m a

dynamic_interface_ :: a -> I m

Action (m (I m))

do an action before giving the interface

data ListLayout

Constructors

Horizontal

Vertical

vcat :: [I m] -> I m

hcat :: [I m] -> I m

smartButton :: (Eq a, Monad m, Functor m) => Free m String -> (a -> m a) -> Ref m a -> I m

Running GUI descriptions

runI :: (forall m. (Functor m, ExtRef m) => I m) -> IO ()

Run an interface description

unsafeRunI :: (forall i. I (Ext i IO)) -> IO ()

Run an interface description

Unsafe only if you do nasty things in the IO monad, like forking threads

Auxiliary functions

toFree :: (Functor m, Monad m) => m a -> Free m a