core/io.nacular.doodle.core/Behavior

Behavior

A Behavior can be used by Views and Themes to allow delegation of the View.render call and other characteristics of the View. This way, a View can support pluggable visual style and behavior.

Inheritors

ScrollPanelBehavior

Functions

childrenClipPath

open fun childrenClipPath(view: T): View.ClipPath?

Allows the Behavior to override the View's View.childrenClipPath property.

clipCanvasToBounds

open fun clipCanvasToBounds(view: T): Boolean

Allows the Behavior to override the View's View.clipCanvasToBounds property.

contains

open fun contains(view: T, point: Point): Boolean

Returns true if the point is within the View's bounds. This can be used to handle cases when the Behavior wants to control hit detection.

install

open fun install(view: T)

Called when the Behavior is applied to a View.

mirrorWhenRightToLeft

open fun mirrorWhenRightToLeft(view: T): Boolean

Allows the Behavior to override the View's View.mirrorWhenRightLeft property.

render

open fun render(view: T, canvas: Canvas)

Invoked to render the given View.

uninstall

open fun uninstall(view: T)

Called when the Behavior is removed from a View.