HTk.Widgets.ComboBox

HTk's ComboBox. Only available when using tixwish. However this module needs to go in the uni-htk-widgets package because it depends on it.

Documentation

data GUIValue a => ComboBox a

The ComboBox datatype. A ComboBox is a so called mega widget composed of an entry widget and a list box. Both subwidgets are accessible by themselves.

Instances

GUIValue a => Eq (ComboBox a)

Methods

(==) :: ComboBox a -> ComboBox a -> Bool

(/=) :: ComboBox a -> ComboBox a -> Bool

GUIValue a => Destroyable (ComboBox a)

A combo box widget can be destroyed.

Methods

destroy :: ComboBox a -> IO ()

GUIValue a => Synchronized (ComboBox a)

You can synchronize on a combo box widget.

Methods

synchronize :: ComboBox a -> IO b -> IO b

GUIValue a => GUIObject (ComboBox a)

Internal.

Methods

toGUIObject :: ComboBox a -> GUIOBJECT

cname :: ComboBox a -> String

cset :: GUIValue a => ComboBox a -> ConfigID -> a -> IO (ComboBox a)

cget :: GUIValue a => ComboBox a -> ConfigID -> IO a

GUIValue a => HasEnable (ComboBox a)

A combo box widget is a stateful widget, it can be enabled or disabled.

Methods

state :: State -> Config (ComboBox a)

getState :: ComboBox a -> IO State

disable :: Config (ComboBox a)

enable :: Config (ComboBox a)

isEnabled :: ComboBox a -> IO Bool

GUIValue a => HasBorder (ComboBox a)

A combo box widget has a configureable border.

Methods

borderwidth :: Distance -> Config (ComboBox a)

getBorderwidth :: ComboBox a -> IO Distance

relief :: Relief -> Config (ComboBox a)

getRelief :: ComboBox a -> IO Relief

GUIValue a => HasSize (ComboBox a)

You can specify the size of a combo box widget-

Methods

width :: Distance -> Config (ComboBox a)

getWidth :: ComboBox a -> IO Distance

height :: Distance -> Config (ComboBox a)

getHeight :: ComboBox a -> IO Distance

size :: Size -> Config (ComboBox a)

getSize :: ComboBox a -> IO Size

GUIValue a => HasColour (ComboBox a)

A combo box widget has a background colour.

Methods

legalColourID :: ComboBox a -> ConfigID -> Bool

setColour :: ComboBox a -> ConfigID -> Colour -> IO (ComboBox a)

getColour :: ComboBox a -> ConfigID -> IO Colour

GUIValue a => HasAnchor (ComboBox a)

A combo box widget has a text anchor.

Methods

anchor :: Anchor -> Config (ComboBox a)

getAnchor :: ComboBox a -> IO Anchor

GUIValue a => Widget (ComboBox a)

A combo box has standard widget properties (focus, cursor, ...).

Methods

cursor :: CursorDesignator ch => ch -> Config (ComboBox a)

getCursor :: ComboBox a -> IO Cursor

takeFocus :: Bool -> Config (ComboBox a)

getTakeFocus :: ComboBox a -> IO Bool

(GUIValue a, GUIValue [a]) => HasValue (ComboBox a) [a]

The value of a combo box is the list of the displayed objects (these are instances of class GUIValue and therefore instances of class Show).

Methods

value :: [a] -> Config (ComboBox a)

getValue :: ComboBox a -> IO [a]

newComboBox

Arguments

:: (GUIValue a, Container par)

=> par

the list of configuration options for this combo box.

-> Bool

true if the user should be allowed to type into the entry of the ComboBox.

-> [Config (ComboBox a)]

-> IO (ComboBox a)

A combo box.

Constructs a new combo box and returns a handler.

pick :: GUIValue a => Int -> Config (ComboBox a)

Sets the index item in the listbox to be the current value of the ComboBox.

entrySubwidget :: GUIValue a => ComboBox a -> Entry a

Retrieve the entry subwidget of a combo box.

listBoxSubwidget :: GUIValue a => ComboBox a -> ListBox a

Retrieve the list box subwidget of a combo box.