HTk.Components.Focus

This module provides functionality on the current focus.

Documentation

data CurrentFocus

The CurrentFocus datatype.

Instances

Object CurrentFocus

Internal.

Methods

objectID :: CurrentFocus -> ObjectID

GUIObject CurrentFocus

Internal.

Methods

toGUIObject :: CurrentFocus -> GUIOBJECT

cname :: CurrentFocus -> String

cset :: GUIValue a => CurrentFocus -> ConfigID -> a -> IO CurrentFocus

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

Widget CurrentFocus

The current focus is always a widget and has standard widget properties (concerning focus, cursor).

Methods

cursor :: CursorDesignator ch => ch -> Config CurrentFocus

getCursor :: CurrentFocus -> IO Cursor

takeFocus :: Bool -> Config CurrentFocus

getTakeFocus :: CurrentFocus -> IO Bool

data FocusModel

The FocusModel datatype (focus model of a toplevel window).

Constructors

ActiveFocus

PassiveFocus

Instances

Enum FocusModel

Methods

succ :: FocusModel -> FocusModel

pred :: FocusModel -> FocusModel

toEnum :: Int -> FocusModel

fromEnum :: FocusModel -> Int

enumFrom :: FocusModel -> [FocusModel]

enumFromThen :: FocusModel -> FocusModel -> [FocusModel]

enumFromTo :: FocusModel -> FocusModel -> [FocusModel]

enumFromThenTo :: FocusModel -> FocusModel -> FocusModel -> [FocusModel]

Eq FocusModel

Methods

(==) :: FocusModel -> FocusModel -> Bool

(/=) :: FocusModel -> FocusModel -> Bool

Ord FocusModel

Methods

compare :: FocusModel -> FocusModel -> Ordering

(<) :: FocusModel -> FocusModel -> Bool

(<=) :: FocusModel -> FocusModel -> Bool

(>) :: FocusModel -> FocusModel -> Bool

(>=) :: FocusModel -> FocusModel -> Bool

max :: FocusModel -> FocusModel -> FocusModel

min :: FocusModel -> FocusModel -> FocusModel

Read FocusModel

Internal.

Methods

readsPrec :: Int -> ReadS FocusModel

readList :: ReadS [FocusModel]

readPrec :: ReadPrec FocusModel

readListPrec :: ReadPrec [FocusModel]

Show FocusModel

Internal.

Methods

showsPrec :: Int -> FocusModel -> ShowS

show :: FocusModel -> String

showList :: [FocusModel] -> ShowS

GUIValue FocusModel

Internal.

Methods

cdefault :: FocusModel

toGUIValue :: FocusModel -> GUIVALUE

maybeGUIValue :: GUIVALUE -> Maybe FocusModel

fromGUIValue :: GUIVALUE -> FocusModel

focusModel :: Window w => FocusModel -> Config w

Sets a window's focus model.

getFocusModel :: Window w => w -> IO FocusModel

Gets a window's focus model.

getFocus

Arguments

:: Window w

=> w

the concerned window.

-> IO (Maybe CurrentFocus)

The current focus (if available).

Gets the current focus inside a window.

setFocus

Arguments

:: Widget w

=> w

The widget to focus.

-> IO ()

None.

Sets the current for the containing window.

forceFocus

Arguments

:: Widget w

=> w

The widget to focus.

-> IO ()

None.

Forces the current focus for the containing window.

getRecentFocus

Arguments

:: Window w

=> w

the concerned window.

-> IO (Maybe CurrentFocus)

The recent focus (if available).

Gets the last focused widget inside a window.

data GrabStatus

The GrabStatus datatype.

Constructors

Local

Global

Instances

Enum GrabStatus

Methods

succ :: GrabStatus -> GrabStatus

pred :: GrabStatus -> GrabStatus

toEnum :: Int -> GrabStatus

fromEnum :: GrabStatus -> Int

enumFrom :: GrabStatus -> [GrabStatus]

enumFromThen :: GrabStatus -> GrabStatus -> [GrabStatus]

enumFromTo :: GrabStatus -> GrabStatus -> [GrabStatus]

enumFromThenTo :: GrabStatus -> GrabStatus -> GrabStatus -> [GrabStatus]

Eq GrabStatus

Methods

(==) :: GrabStatus -> GrabStatus -> Bool

(/=) :: GrabStatus -> GrabStatus -> Bool

Ord GrabStatus

Methods

compare :: GrabStatus -> GrabStatus -> Ordering

(<) :: GrabStatus -> GrabStatus -> Bool

(<=) :: GrabStatus -> GrabStatus -> Bool

(>) :: GrabStatus -> GrabStatus -> Bool

(>=) :: GrabStatus -> GrabStatus -> Bool

max :: GrabStatus -> GrabStatus -> GrabStatus

min :: GrabStatus -> GrabStatus -> GrabStatus

Read GrabStatus

Internal.

Methods

readsPrec :: Int -> ReadS GrabStatus

readList :: ReadS [GrabStatus]

readPrec :: ReadPrec GrabStatus

readListPrec :: ReadPrec [GrabStatus]

Show GrabStatus

Internal.

Methods

showsPrec :: Int -> GrabStatus -> ShowS

show :: GrabStatus -> String

showList :: [GrabStatus] -> ShowS

GUIValue GrabStatus

Internal.

Methods

cdefault :: GrabStatus

toGUIValue :: GrabStatus -> GUIVALUE

maybeGUIValue :: GUIVALUE -> Maybe GrabStatus

fromGUIValue :: GUIVALUE -> GrabStatus

data CurrentGrab

The CurrentGrab datatype.

Constructors

CurrentGrab GUIOBJECT

Instances

Eq CurrentGrab

Methods

(==) :: CurrentGrab -> CurrentGrab -> Bool

(/=) :: CurrentGrab -> CurrentGrab -> Bool

Object CurrentGrab

Internal.

Methods

objectID :: CurrentGrab -> ObjectID

GUIObject CurrentGrab

Internal.

Methods

toGUIObject :: CurrentGrab -> GUIOBJECT

cname :: CurrentGrab -> String

cset :: GUIValue a => CurrentGrab -> ConfigID -> a -> IO CurrentGrab

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

Widget CurrentGrab

The current grab has standard widget properties (concerning focus, cursor).

Methods

cursor :: CursorDesignator ch => ch -> Config CurrentGrab

getCursor :: CurrentGrab -> IO Cursor

takeFocus :: Bool -> Config CurrentGrab

getTakeFocus :: CurrentGrab -> IO Bool

grabLocal

Arguments

:: Widget w

=> w

the concerned widget.

-> IO ()

None.

Grabs the focus local.

grabGlobal

Arguments

:: Widget w

=> w

the concerned widget.

-> IO ()

None.

Grabs the focus global.

releaseGrab

Arguments

:: Widget w

=> w

the concerned widget.

-> IO ()

None.

Releases a focus grab.

returnGrab :: Maybe CurrentGrab -> IO ()

getGrabStatus

Arguments

:: Widget w

=> w

the concerned widget.

-> IO (Maybe GrabStatus)

The current grab status (if available).

Gets the grab status from a widget.

getCurrentGrab

Arguments

:: IO (Maybe CurrentGrab)

The current grab (if available).

Gets the current grab.