Interface FocusModel<K>
- Type Parameters:
K
- the focus key type
- All Known Implementing Classes:
SimpleKeyedFocusModel
public interface FocusModel<K>
Manages the state of individual foci in a widget.
Each instance should be specific to one widget.
- Since:
- 7.0.0
- See Also:
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Method Summary
Modifier and TypeMethodDescriptionfoci()
Returns a stream of all foci in the target widget.boolean
Checks if a focus is focused in the target widget.void
setFocused
(Focus<K> focus) Applies a focus to the target widget.static FocusModel
<?> Creates a simple focus model for a focusable widget.
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Method Details
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isFocused
Checks if a focus is focused in the target widget. If the target widget is not focused itself, none of its foci should have focus.- Parameters:
focus
- the focus to check- Returns:
true
if the focus is focused,false
otherwise
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setFocused
Applies a focus to the target widget.This method does not need to request the GUI's focus for the widget; that is the responsibility of the caller.
- Parameters:
focus
- the focus
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foci
Returns a stream of all foci in the target widget.- Returns:
- a stream of all foci in the target widget
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simple
Creates a simple focus model for a focusable widget. The focus model provides the whole widget area as its only focus area.- Parameters:
widget
- the widget- Returns:
- the focus model
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