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LibGDX Scene2D GUI building utilities for Kotlin applications.

There is a newer version: 1.12.1-rc2

package ktx.scene2d

import com.badlogic.gdx.scenes.scene2d.ui.*

/* Inlined factory methods of table-based root widgets. */

/**
 * @param skin will be used to apply styles to some of the table children. Defaults to [Scene2DSkin.defaultSkin]
 * @param init will be invoked on the table. Inlined.
 * @return a new [Table] instance.
 */
inline fun table(skin: Skin = Scene2DSkin.defaultSkin,
                 init: KTableWidget.() -> Unit) = actor(KTableWidget(skin), init)

/**
 * @param title will be displayed as window's title.
 * @param style name of the widget style. Defaults to [defaultStyle].
 * @param skin [Skin] instance that contains the widget style. Defaults to [Scene2DSkin.defaultSkin].
 * @param init will be invoked on the widget. Inlined.
 * @return a new [Window] instance.
 */
inline fun window(title: String,
                  style: String = defaultStyle,
                  skin: Skin = Scene2DSkin.defaultSkin,
                  init: KWindow.() -> Unit) = actor(KWindow(title, skin, style), init)

/**
 * @param title will be displayed as dialog's title.
 * @param style name of the widget style. Defaults to [defaultStyle].
 * @param skin [Skin] instance that contains the widget style. Defaults to [Scene2DSkin.defaultSkin].
 * @param init will be invoked on the widget. Inlined.
 * @return a new [Dialog] instance.
 */
inline fun dialog(title: String,
                  style: String = defaultStyle,
                  skin: Skin = Scene2DSkin.defaultSkin,
                  init: KDialog.() -> Unit) = actor(KDialog(title, skin, style), init)

/**
 * @param minCheckedCount minimum amount of buttons checked at once.
 * @param maxCheckedCount maximum amount of buttons checked at once.
 * @param skin will be used to apply styles to some of the table children. Defaults to [Scene2DSkin.defaultSkin]
 * @param init will be invoked on the table. Inlined.
 * @return a new [KButtonTable] instance, which manages a [ButtonGroup] internally. All [Button] instances added
 *    directly to this widget will registered in the [ButtonGroup].
 */
inline fun buttonGroup(minCheckedCount: Int,
                       maxCheckedCount: Int,
                       skin: Skin = Scene2DSkin.defaultSkin,
                       init: KButtonTable.() -> Unit) = actor(KButtonTable(minCheckedCount, maxCheckedCount, skin), init)