commonMain.BaseHudElementWrapper.kt Maven / Gradle / Ivy
/*
* Copyright 2020-2022 Slawomir Czerwinski
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package graphics.glimpse.hud
import graphics.glimpse.types.Vec2
/**
* Base implementation of HUD element wrappers.
*/
abstract class BaseHudElementWrapper(
/**
* Element wrapped by this wrapper.
*/
private val element: HudElement
) : HudElement {
/**
* Position of the wrapped element.
*/
override var position: Vec2
get() = element.position
set(value) {
element.position = value
}
/**
* Bounding box of the wrapped element.
*/
override val boundingBox: BoundingBox
get() = element.boundingBox
/**
* `true` the wrapped element is visible.
*/
override var isVisible: Boolean
get() = element.isVisible
set(value) {
element.isVisible = value
}
/**
* Atoms making up the wrapped element.
*/
override val atoms: Iterable
get() = if (isVisible) element.atoms else emptyList()
/**
* Adds given input events [listener] to the wrapped element.
*/
override fun addInputEventListener(listener: HudElement.InputEventListener) {
element.addInputEventListener(listener)
}
/**
* Removes given input events [listener] from the wrapped element.
*/
override fun removeInputEventListener(listener: HudElement.InputEventListener) {
element.removeInputEventListener(listener)
}
/**
* Handles given input [event] at given [position].
*
* @return `true` if the event has been consumed by the wrapped element.
*/
override fun handleInputEvent(position: Vec2, event: Any?): Boolean =
element.handleInputEvent(position, event)
}