Widget - Klyn API

Widget

classin packageklyn.gui.windows

public abstract class Widget:

Widget

Base class for the window widgets. The layout system stores all computed geometry directly on widgets so the native backend can consume the same contract later.

label = Label("Hello")
label.margin = (8, 4, 8, 4)
label.setBounds(10, 20, 120, 26)

Properties

Modifier and Type	Member	Description
public property	accentColor `accentColor as Color`	Accent color used by focused and primary controls.
public property	backgroundColor `backgroundColor as Color`	Background color used by filled controls.
public property	borderColor `borderColor as Color`	Border color used by framed controls.
public readonly property	bottom `bottom as Int:`	Bottom edge of the widget.
public property	canFocus `canFocus as Boolean`	Whether the widget can own keyboard focus.
public property	cornerRadius `cornerRadius as Int`	Default corner radius for rounded controls.
public property	font `font as String`	Default font used to render this widget.
public property	foregroundColor `foregroundColor as Color`	Main text and icon color.
public property	hasFocus `hasFocus as Boolean`	Focus flag maintained by the GUI backend.
public property	height `height as Int`	Computed height.
public property	isEnabled `isEnabled as Boolean`	Enabled flag.
public property	isHovered `isHovered as Boolean`	Hover flag maintained by the GUI backend.
public property	isManaged `isManaged as Boolean`	When false, layout managers ignore this widget.
public property	isVisible `isVisible as Boolean`	Visibility flag.
public property	layoutParams `layoutParams as Object = null`	Optional layout-specific metadata.
public property	margin `margin as IList<Int>`	Outer margins expressed as `(left, top, right, bottom)`.
public property	maxHeight `maxHeight as Int`	Maximal allowed height.
public property	maxWidth `maxWidth as Int`	Maximal allowed width.
public property	minHeight `minHeight as Int`	Minimal allowed height.
public property	minWidth `minWidth as Int`	Minimal allowed width.
public property	parent `parent as Container`	Parent container of this widget.
public property	preferredHeight `preferredHeight as Int`	Preferred height used by layout managers.
public property	preferredWidth `preferredWidth as Int`	Preferred width used by layout managers.
public readonly property	right `right as Int:`	Right edge of the widget.
public property	styleClass `styleClass as String`	Optional KSS class name.
public property	width `width as Int`	Computed width.
public property	window `window as Window`	Owning window, propagated when the widget is inserted in a window tree.
public property	x `x as Int`	Computed left position.
public propert	y `y y as Int`	Computed top position.

Constructors

Modifier and Type	Member	Description
public	Widget `Widget():`	No summary.

Methods

Modifier and Type	Member	Description
public	blur `blur() as Void:`	Clears keyboard focus on this widget.
public	containsPoint `containsPoint(x as Int, y as Int) as Boolean:`	Returns true when a point is inside this widget bounds.
public	paint `paint(painter as Painter) as Void:`	Paint hook used by the future graphical backend.
public	requestFocus `requestFocus() as Boolean:`	Requests keyboard focus for this widget.
public	resolvePreferredHeight `resolvePreferredHeight() as Int:`	Resolved preferred height after min/max constraints.
public	resolvePreferredWidth `resolvePreferredWidth() as Int:`	Resolved preferred width after min/max constraints.
public	resolvedFont `resolvedFont() as String:`	Returns the effective font description used by painter-based renderers.
public	setBounds `setBounds(x as Int, y as Int, width as Int, height as Int) as Void:`	Updates the computed widget bounds.