expand widget

src/main/kotlin/com/neptuneclient/voidui/framework/Widget.kt

@@ -147,7 +147,7 @@ abstract class LeafWidget : Widget() {
      * @param constraints The constraints of the widget's size.
      */
     override fun layout(constraints: BoxConstraints) {
-        size = Size(constraints.minWidth, constraints.minHeight)
+        size = constraints.smallest
     }
 
     /**

src/main/kotlin/com/neptuneclient/voidui/widgets/Align.kt

@@ -19,7 +19,7 @@ class Align(
 
     override fun layout(constraints: BoxConstraints) {
         child.layout(constraints)
-        size = Size(constraints.maxWidth, constraints.maxHeight)
+        size = constraints.biggest
     }
 
     override fun postLayoutInit(parentOffset: Offset, parent: Widget) {

src/main/kotlin/com/neptuneclient/voidui/widgets/Expand.kt

@@ -0,0 +1,10 @@
+package com.neptuneclient.voidui.widgets
+
+import com.neptuneclient.voidui.framework.Widget
+
+/**
+ * A widget which expands to the maximum constraints of the parent widget.
+ *
+ * @param child The child widget.
+ */
+fun Expand(child: Widget) = FractionallySizedBox(child, 1.0, 1.0)

src/main/kotlin/com/neptuneclient/voidui/widgets/Placeholder.kt

@@ -14,7 +14,7 @@ import java.awt.Color
 class Placeholder : LeafWidget() {
 
     override fun layout(constraints: BoxConstraints) {
-        size = Size(constraints.maxWidth, constraints.maxHeight)
+        size = constraints.biggest
     }
 
     override fun createRenderObject(): RenderObject? {

src/main/kotlin/com/neptuneclient/voidui/widgets/ShaderBox.kt

@@ -22,7 +22,7 @@ class ShaderBox(
     }
 
     override fun layout(constraints: BoxConstraints) {
-        val s = boxSize ?: Size(constraints.maxWidth, constraints.maxHeight)
+        val s = boxSize ?: constraints.biggest
         size = constraints.constrain(s)
     }