Safe Haskell	None
Language	Haskell98

HTk.Components.Selection

Description

This module provides access to a widgets selection (e.g. inside a listbox, editor or entry widget).

Synopsis

Documentation

newtype Selection w Source #

The Selection datatype.

Constructors

Selection w

Instances

GUIObject w => GUIObject (Selection w) Source #	Internal.
Methods toGUIObject :: Selection w -> GUIOBJECT Source # cname :: Selection w -> String Source # cset :: GUIValue a => Selection w -> ConfigID -> a -> IO (Selection w) Source # cget :: GUIValue a => Selection w -> ConfigID -> IO a Source #
(HasSelection w, Widget w) => HasBorder (Selection w) Source #	The selection has a configureable border.
Methods borderwidth :: Distance -> Config (Selection w) Source # getBorderwidth :: Selection w -> IO Distance Source # relief :: Relief -> Config (Selection w) Source # getRelief :: Selection w -> IO Relief Source #
(HasSelection w, Widget w) => HasColour (Selection w) Source #	The selected entries have a configureable foreground and background colour.
Methods legalColourID :: Selection w -> ConfigID -> Bool Source # setColour :: Selection w -> ConfigID -> Colour -> IO (Selection w) Source # getColour :: Selection w -> ConfigID -> IO Colour Source #
HasIndex (Entry a) (Selection (Entry a), Last) BaseIndex Source #	The selection end is a valid index position for an entry widget.
Methods getBaseIndex :: Entry a -> (Selection (Entry a), Last) -> IO BaseIndex Source #
HasIndex (Entry a) (Selection (Entry a), First) BaseIndex Source #	The selection start is a valid index position for an entry widget.
Methods getBaseIndex :: Entry a -> (Selection (Entry a), First) -> IO BaseIndex Source #

class GUIObject w => HasSelection w where Source #

A widget with a selectable content instantiates the class HasSelection.

Minimal complete definition

clearSelection

Methods

clearSelection :: w -> IO () Source #

Instances

HasSelection Editor Source #	You can select text inside an editor widget.
Methods clearSelection :: Editor -> IO () Source #
HasSelection (ListBox a) Source #	You can select entries inside a listbox widget.
Methods clearSelection :: ListBox a -> IO () Source #
HasSelection (Entry a) Source #	You can select text inside an entry widget.
Methods clearSelection :: Entry a -> IO () Source #

class HasSelectionIndex w i where Source #

A widget with a indexable selection instantiates the class HasSelectionIndex.

Minimal complete definition

selection, isSelected

Methods

selection :: i -> Config w Source #

isSelected :: w -> i -> IO Bool Source #

Instances

HasIndex Editor i BaseIndex => HasSelectionIndex Editor i Source #	An editor widget's characters are selectable.
Methods selection :: i -> Config Editor Source # isSelected :: Editor -> i -> IO Bool Source #
HasIndex (ListBox a) i Int => HasSelectionIndex (ListBox a) i Source #	A listbox'es entries are selectable.
Methods selection :: i -> Config (ListBox a) Source # isSelected :: ListBox a -> i -> IO Bool Source #
HasIndex (Entry a) i BaseIndex => HasSelectionIndex (Entry a) i Source #	An entry widget's characters are selectable.
Methods selection :: i -> Config (Entry a) Source # isSelected :: Entry a -> i -> IO Bool Source #

class HasSelectionBaseIndex w i where Source #

A widget with an indexable selection base instantiates the class HasSelectionBaseIndex.

Minimal complete definition

getSelection

Methods

getSelection :: w -> IO (Maybe i) Source #

Instances

HasSelectionBaseIndex Editor ((Distance, Distance), (Distance, Distance)) Source #	You can select a text range inside an editor widget.
Methods getSelection :: Editor -> IO (Maybe ((Distance, Distance), (Distance, Distance))) Source #
HasSelectionBaseIndex (ListBox a) [Int] Source #	You can select a range of elements inside a listbox widget.
Methods getSelection :: ListBox a -> IO (Maybe [Int]) Source #
HasSelectionBaseIndex (Entry a) (Int, Int) Source #	You can select a text range inside an entry widget.
Methods getSelection :: Entry a -> IO (Maybe (Int, Int)) Source #

class HasSelectionIndexRange w i1 i2 where Source #

A widget with an indexable selection range instantiates the class HasSelectionIndexRange.

Minimal complete definition

selectionRange

Methods

selectionRange :: i1 -> i2 -> Config w Source #

Instances

(HasIndex Editor i1 BaseIndex, HasIndex Editor i2 BaseIndex) => HasSelectionIndexRange Editor i1 i2 Source #	You can select a text range inside an editor widget.
Methods selectionRange :: i1 -> i2 -> Config Editor Source #
(HasIndex (ListBox a) i1 Int, HasIndex (ListBox a) i2 Int) => HasSelectionIndexRange (ListBox a) i1 i2 Source #	You can select a range of elements inside a listbox widget.
Methods selectionRange :: i1 -> i2 -> Config (ListBox a) Source #
(HasIndex (Entry a) i1 BaseIndex, HasIndex (Entry a) i2 BaseIndex) => HasSelectionIndexRange (Entry a) i1 i2 Source #	You can select a text range inside an entry widget.
Methods selectionRange :: i1 -> i2 -> Config (Entry a) Source #

class HasSelectionIndex w i => HasSelectionBaseIndexRange w i where Source #

A widget with an indexable selection index range instantiates the class HasSelectionBaseIndexRange.

Minimal complete definition

getSelectionStart, getSelectionEnd

Methods

getSelectionStart :: w -> IO (Maybe i) Source #

getSelectionEnd :: w -> IO (Maybe i) Source #

getSelectionRange :: w -> IO (Maybe (i, i)) Source #

Instances

HasSelectionBaseIndexRange Editor (Distance, Distance) Source #	You can select a text range inside an editor widget.
Methods getSelectionStart :: Editor -> IO (Maybe (Distance, Distance)) Source # getSelectionEnd :: Editor -> IO (Maybe (Distance, Distance)) Source # getSelectionRange :: Editor -> IO (Maybe ((Distance, Distance), (Distance, Distance))) Source #
HasSelectionBaseIndexRange (ListBox a) Int Source #	You can select a range of entries inside a listbox widget.
Methods getSelectionStart :: ListBox a -> IO (Maybe Int) Source # getSelectionEnd :: ListBox a -> IO (Maybe Int) Source # getSelectionRange :: ListBox a -> IO (Maybe (Int, Int)) Source #
HasSelectionBaseIndexRange (Entry a) Int Source #	You can select a text range inside an entry widget.
Methods getSelectionStart :: Entry a -> IO (Maybe Int) Source # getSelectionEnd :: Entry a -> IO (Maybe Int) Source # getSelectionRange :: Entry a -> IO (Maybe (Int, Int)) Source #