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-rw-r--r--src/main/kotlin/pl/treksoft/kvision/panel/StackPanel.kt9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/kotlin/pl/treksoft/kvision/panel/StackPanel.kt b/src/main/kotlin/pl/treksoft/kvision/panel/StackPanel.kt
index da41db9f..3b045fa6 100644
--- a/src/main/kotlin/pl/treksoft/kvision/panel/StackPanel.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/panel/StackPanel.kt
@@ -46,6 +46,15 @@ open class StackPanel(
*/
var activeIndex by refreshOnUpdate(-1)
+ /**
+ * The active (visible) child.
+ */
+ var activeChild
+ get() = children[activeIndex]
+ set(value) {
+ activeIndex = children.indexOf(value)
+ }
+
init {
@Suppress("LeakingThis")
init?.invoke(this)