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ListBox

Description

HTk's listbox widget . A scrollable widget that displays a set of text lines with selection functionality.

Synopsis

module Selection module Index data ListBox a newListBox :: (Container par, GUIValue a) => par -> [Config (ListBox a)] -> IO (ListBox a) data SelectMode = Single | Browse | Multiple | Extended selectMode :: (GUIValue a) => SelectMode -> ListBox a -> IO (ListBox a) getSelectMode :: (GUIValue a) => ListBox a -> IO SelectMode activateElem :: (HasIndex (ListBox a) i Int) => ListBox a -> i -> IO () selectionAnchor :: (HasIndex (ListBox a) i Int) => ListBox a -> i -> IO () data ListBoxElem a = ListBoxElem a elemNotFound :: IOError

Documentation

module Selection

module Index

data ListBox a

The ListBox datatype - parametrised over the type of the list elements.

newListBox

:: (Container par, GUIValue a) => par the parent widget, which has to be a container widget (an instance of class Container). -> [Config (ListBox a)] the list of configuration options for this listbox widget. -> IO (ListBox a) A listbox widget. Constructs a new listbox widget and returns a handler.

data SelectMode

Constructors Single Browse Multiple Extended Instances GUIValue SelectMode Read SelectMode Show SelectMode

selectMode :: (GUIValue a) => SelectMode -> ListBox a -> IO (ListBox a)

getSelectMode

:: (GUIValue a) => ListBox a the concerned listbox. -> IO SelectMode The current select mode. Gets the set select mode from a listbox.

activateElem :: (HasIndex (ListBox a) i Int) => ListBox a -> i -> IO ()

selectionAnchor

:: (HasIndex (ListBox a) i Int) => ListBox a the concerned listbox. -> i the index of the line to anchor the selection at. -> IO () Nothing. Anchors the selection at the specified line.

data ListBoxElem a

Constructors ListBoxElem a Instances (Eq a, GUIValue a) => HasIndex (ListBox [a]) (ListBoxElem a) Int (Eq a, GUIValue a, GUIValue [a]) => HasIndex (ListBox a) Int (ListBoxElem a)

elemNotFound :: IOError

Produced by Haddock version 0.3