Safe Haskell	None
Language	Haskell98

HTk.Components.Focus

Description

This module provides functionality on the current focus.

Synopsis

Documentation

data CurrentFocus Source

The CurrentFocus datatype.

Instances

Object CurrentFocus	Internal.
GUIObject CurrentFocus	Internal.
Widget CurrentFocus	The current focus is always a widget and has standard widget properties (concerning focus, cursor).

data FocusModel Source

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

Constructors

ActiveFocus
PassiveFocus

Instances

Enum FocusModel
Eq FocusModel
Ord FocusModel
Read FocusModel	Internal.
Show FocusModel	Internal.
GUIValue FocusModel	Internal.

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

Sets a window's focus model.

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

Gets a window's focus model.

getFocus Source

Arguments

:: Window w
=> w	the concerned window.
-> IO (Maybe CurrentFocus)	The current focus (if available).

Gets the current focus inside a window.

setFocus Source

Arguments

:: Widget w
=> w	The widget to focus.
-> IO ()	None.

Sets the current for the containing window.

forceFocus Source

Arguments

:: Widget w
=> w	The widget to focus.
-> IO ()	None.

Forces the current focus for the containing window.

getRecentFocus Source

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 Source

The GrabStatus datatype.

Constructors

Local
Global

Instances

Enum GrabStatus
Eq GrabStatus
Ord GrabStatus
Read GrabStatus	Internal.
Show GrabStatus	Internal.
GUIValue GrabStatus	Internal.

data CurrentGrab Source

The CurrentGrab datatype.

Constructors

CurrentGrab GUIOBJECT

Instances

Eq CurrentGrab
Object CurrentGrab	Internal.
GUIObject CurrentGrab	Internal.
Widget CurrentGrab	The current grab has standard widget properties (concerning focus, cursor).

grabLocal Source

Arguments

:: Widget w
=> w	the concerned widget.
-> IO ()	None.

Grabs the focus local.

grabGlobal Source

Arguments

:: Widget w
=> w	the concerned widget.
-> IO ()	None.

Grabs the focus global.

releaseGrab Source

Arguments

:: Widget w
=> w	the concerned widget.
-> IO ()	None.

Releases a focus grab.

returnGrab :: Maybe CurrentGrab -> IO () Source

getGrabStatus Source

Arguments

:: Widget w
=> w	the concerned widget.
-> IO (Maybe GrabStatus)	The current grab status (if available).

Gets the grab status from a widget.

getCurrentGrab Source

Arguments

:: IO (Maybe CurrentGrab)

The current grab (if available).

Gets the current grab.