tools.aqua.bgw.components.uicomponents.RadioButton.kt Maven / Gradle / Ivy

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A framework for board game applications.
There is a newer version: 0.5
/*
 *    Copyright 2021 The BoardGameWork Authors
 *    SPDX-License-Identifier: Apache-2.0
 *
 *    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.
 */

@file:Suppress("unused")

package tools.aqua.bgw.components.uicomponents

import tools.aqua.bgw.core.DEFAULT_RADIO_BUTTON_HEIGHT
import tools.aqua.bgw.core.DEFAULT_RADIO_BUTTON_WIDTH
import tools.aqua.bgw.util.Font
import tools.aqua.bgw.visual.Visual

/**
 * [RadioButton] is a subclass of [ToggleButton] with a different visual representation.
 *
 * A [RadioButton] may be used as a [Button] that is either selected or not selected.
 * An important feature of [ToggleButton]s is the [ToggleGroup].
 *
 * [ToggleGroup]s can be used to group [ToggleButton]s.
 *
 * All [ToggleButton]s that keep the same instance of a [ToggleGroup] belong to that [ToggleGroup].
 * Only one [ToggleButton] may be selected in a [ToggleGroup].
 * This means whenever a [ToggleButton] changes its selected state to `true`,
 * all other [ToggleButton]s in the same [ToggleGroup] get deselected.
 *
 * An exception to this rule is, whenever a new [ToggleButton] that is currently selected gets added to the ToggleGroup.
 *
 * @constructor Creates a [RadioButton].
 *
 * @param posX Horizontal coordinate for this [RadioButton]. Default: 0.
 * @param posY Vertical coordinate for this [RadioButton]. Default: 0.
 * @param width Width for this [RadioButton]. Default: [DEFAULT_RADIO_BUTTON_WIDTH].
 * @param height Height for this [RadioButton]. Default: [DEFAULT_RADIO_BUTTON_HEIGHT].
 * @param isSelected The initial state for this [RadioButton]. Default: false.
 * @param toggleGroup The ToggleGroup of this [RadioButton]. Default: null.
 * @param visual Background [Visual]. Default: [Visual.EMPTY]
 *
 * @see ToggleButton
 * @see ToggleGroup
 */
open class RadioButton(
	posX: Number = 0,
	posY: Number = 0,
	width: Number = DEFAULT_RADIO_BUTTON_WIDTH,
	height: Number = DEFAULT_RADIO_BUTTON_HEIGHT,
	font: Font = Font(),
	isSelected: Boolean = false,
	toggleGroup: ToggleGroup? = null,
	visual: Visual = Visual.EMPTY
) : ToggleButton(
	posX = posX,
	posY = posY,
	width = width,
	height = height,
	font = font,
	isSelected = isSelected,
	toggleGroup = toggleGroup,
	visual = visual)