diff --git a/src/main/kotlin/net/shadowfacts/cacao/AbstractCacaoScreen.kt b/src/main/kotlin/net/shadowfacts/cacao/AbstractCacaoScreen.kt
new file mode 100644
index 0000000..9ec46a0
--- /dev/null
+++ b/src/main/kotlin/net/shadowfacts/cacao/AbstractCacaoScreen.kt
@@ -0,0 +1,17 @@
+package net.shadowfacts.cacao
+
+import net.shadowfacts.cacao.window.Window
+
+/**
+ * @author shadowfacts
+ */
+interface AbstractCacaoScreen {
+
+	val windows: List<Window>
+
+	fun <T: Window> addWindow(window: T, index: Int): T
+	fun <T: Window> addWindow(window: T): T
+
+	fun removeWindow(window: Window)
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/net/shadowfacts/cacao/CacaoHandledScreen.kt b/src/main/kotlin/net/shadowfacts/cacao/CacaoHandledScreen.kt
new file mode 100644
index 0000000..ef10a71
--- /dev/null
+++ b/src/main/kotlin/net/shadowfacts/cacao/CacaoHandledScreen.kt
@@ -0,0 +1,93 @@
+package net.shadowfacts.cacao
+
+import net.minecraft.client.gui.screen.ingame.HandledScreen
+import net.minecraft.client.util.math.MatrixStack
+import net.minecraft.entity.player.PlayerInventory
+import net.minecraft.screen.ScreenHandler
+import net.minecraft.sound.SoundEvents
+import net.minecraft.text.Text
+import net.shadowfacts.cacao.geometry.Point
+import net.shadowfacts.cacao.util.MouseButton
+import net.shadowfacts.cacao.util.RenderHelper
+import net.shadowfacts.cacao.window.ScreenHandlerWindow
+import net.shadowfacts.cacao.window.Window
+import java.util.*
+
+/**
+ * @author shadowfacts
+ */
+class CacaoHandledScreen<Handler: ScreenHandler>(
+	handler: Handler,
+	playerInv: PlayerInventory,
+	title: Text,
+): HandledScreen<Handler>(handler, playerInv, title), AbstractCacaoScreen {
+
+	private val _windows = LinkedList<Window>()
+
+	override val windows: List<Window> = _windows
+
+	override fun <T: Window> addWindow(window: T, index: Int): T {
+		if (window is ScreenHandlerWindow && window.screenHandler != handler) {
+			throw RuntimeException("Adding ScreenHandlerWindow to CacaoHandledScreen with different screen handler is not supported")
+		}
+
+		_windows.add(index, window)
+
+		window.screen = this
+		window.wasAdded()
+		window.resize(width, height)
+
+		return window
+	}
+
+	override fun <T : Window> addWindow(window: T): T {
+		return addWindow(window, _windows.size)
+	}
+
+	override fun removeWindow(window: Window) {
+		_windows.remove(window)
+	}
+
+	override fun init() {
+		super.init()
+
+		windows.forEach {
+			it.resize(width, height)
+		}
+	}
+
+	override fun drawBackground(matrixStack: MatrixStack, delta: Float, mouseX: Int, mouseY: Int) {
+		// no-op
+	}
+
+	override fun render(matrixStack: MatrixStack, mouseX: Int, mouseY: Int, delta: Float) {
+		renderBackground(matrixStack)
+
+		val mouse = Point(mouseX, mouseY)
+		windows.forEachIndexed { index, it ->
+			it.draw(matrixStack, mouse, delta)
+			if (it is ScreenHandlerWindow) {
+				if (index == windows.size - 1) {
+					super.render(matrixStack, mouseX, mouseY, delta)
+				} else {
+					// if the screen handler window is not the frontmost, we fake the mouse x/y to disable the slot mouseover effect
+					super.render(matrixStack, -1, -1, delta)
+				}
+			}
+		}
+	}
+
+	override fun mouseClicked(mouseX: Double, mouseY: Double, button: Int): Boolean {
+		val window = windows.lastOrNull()
+		val result = window?.mouseClicked(Point(mouseX, mouseY), MouseButton.fromMC(button))
+		return if (result == true) {
+			RenderHelper.playSound(SoundEvents.UI_BUTTON_CLICK)
+			true
+		} else if (window is ScreenHandlerWindow) {
+			super.mouseClicked(mouseX, mouseY, button)
+		} else {
+			false
+		}
+	}
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/net/shadowfacts/cacao/CacaoScreen.kt b/src/main/kotlin/net/shadowfacts/cacao/CacaoScreen.kt
index 9d8dd85..5b95805 100644
--- a/src/main/kotlin/net/shadowfacts/cacao/CacaoScreen.kt
+++ b/src/main/kotlin/net/shadowfacts/cacao/CacaoScreen.kt
@@ -8,6 +8,7 @@ import net.minecraft.text.LiteralText
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.util.MouseButton
 import net.shadowfacts.cacao.util.RenderHelper
+import net.shadowfacts.cacao.window.Window
 import java.util.*
 
 /**
@@ -16,7 +17,7 @@ import java.util.*
  *
  * @author shadowfacts
  */
-open class CacaoScreen: Screen(LiteralText("CacaoScreen")) {
+open class CacaoScreen: Screen(LiteralText("CacaoScreen")), AbstractCacaoScreen {
 
 	// _windows is the internal, mutable object, since we only want it to by mutated by the add/removeWindow methods.
 	private val _windows = LinkedList<Window>()
@@ -24,7 +25,7 @@ open class CacaoScreen: Screen(LiteralText("CacaoScreen")) {
 	 * The list of windows that belong to this screen.
 	 * This list should never be modified directly, only by using the [addWindow]/[removeWindow] methods.
 	 */
-	val windows: List<Window> = _windows
+	override val windows: List<Window> = _windows
 
 	/**
 	 * Adds the given window to this screen's window list.
@@ -35,7 +36,7 @@ open class CacaoScreen: Screen(LiteralText("CacaoScreen")) {
 	 * @param index The index to insert the window into the window list at.
 	 * @return The window that was added, as a convenience.
 	 */
-	fun <T: Window> addWindow(window: T, index: Int = _windows.size): T {
+	override fun <T: Window> addWindow(window: T, index: Int): T {
 		_windows.add(index, window)
 
 		window.screen = this
@@ -45,10 +46,14 @@ open class CacaoScreen: Screen(LiteralText("CacaoScreen")) {
 		return window
 	}
 
+	override fun <T : Window> addWindow(window: T): T {
+		return addWindow(window, _windows.size)
+	}
+
 	/**
 	 * Removes the given window from this screen's window list.
 	 */
-	fun removeWindow(window: Window) {
+	override fun removeWindow(window: Window) {
 		_windows.remove(window)
 	}
 
diff --git a/src/main/kotlin/net/shadowfacts/cacao/view/DialogView.kt b/src/main/kotlin/net/shadowfacts/cacao/view/DialogView.kt
index 378026e..3b9015f 100644
--- a/src/main/kotlin/net/shadowfacts/cacao/view/DialogView.kt
+++ b/src/main/kotlin/net/shadowfacts/cacao/view/DialogView.kt
@@ -1,6 +1,6 @@
 package net.shadowfacts.cacao.view
 
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Axis
 import net.shadowfacts.cacao.util.Color
 import net.shadowfacts.cacao.util.texture.NinePatchTexture
diff --git a/src/main/kotlin/net/shadowfacts/cacao/view/View.kt b/src/main/kotlin/net/shadowfacts/cacao/view/View.kt
index 41bfaf8..e1f3d3a 100644
--- a/src/main/kotlin/net/shadowfacts/cacao/view/View.kt
+++ b/src/main/kotlin/net/shadowfacts/cacao/view/View.kt
@@ -3,7 +3,7 @@ package net.shadowfacts.cacao.view
 import net.minecraft.client.util.math.MatrixStack
 import net.shadowfacts.kiwidsl.dsl
 import net.shadowfacts.cacao.LayoutVariable
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.*
 import net.shadowfacts.cacao.util.*
 import net.shadowfacts.cacao.util.properties.ObservableLateInitProperty
@@ -328,7 +328,7 @@ open class View() {
 	 * @return Whether the mouse click was handled by this view or any subviews.
 	 */
 	open fun mouseClicked(point: Point, mouseButton: MouseButton): Boolean {
-		val view = subviewsAtPoint(point).maxBy(View::zIndex)
+		val view = subviewsAtPoint(point).maxByOrNull(View::zIndex)
 		if (view != null) {
 			val pointInView = convert(point, to = view)
 			return view.mouseClicked(pointInView, mouseButton)
@@ -337,7 +337,7 @@ open class View() {
 	}
 
 	open fun mouseDragged(startPoint: Point, delta: Point, mouseButton: MouseButton): Boolean {
-		val view = subviewsAtPoint(startPoint).maxBy(View::zIndex)
+		val view = subviewsAtPoint(startPoint).maxByOrNull(View::zIndex)
 		if (view != null) {
 			val startInView = convert(startPoint, to = view)
 			return view.mouseDragged(startInView, delta, mouseButton)
diff --git a/src/main/kotlin/net/shadowfacts/cacao/view/button/DropdownButton.kt b/src/main/kotlin/net/shadowfacts/cacao/view/button/DropdownButton.kt
index 0adb7b6..dec1296 100644
--- a/src/main/kotlin/net/shadowfacts/cacao/view/button/DropdownButton.kt
+++ b/src/main/kotlin/net/shadowfacts/cacao/view/button/DropdownButton.kt
@@ -1,7 +1,7 @@
 package net.shadowfacts.cacao.view.button
 
 import net.minecraft.util.Identifier
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Axis
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
diff --git a/src/main/kotlin/net/shadowfacts/cacao/viewcontroller/ViewController.kt b/src/main/kotlin/net/shadowfacts/cacao/viewcontroller/ViewController.kt
index 5174919..a6bf752 100644
--- a/src/main/kotlin/net/shadowfacts/cacao/viewcontroller/ViewController.kt
+++ b/src/main/kotlin/net/shadowfacts/cacao/viewcontroller/ViewController.kt
@@ -1,6 +1,6 @@
 package net.shadowfacts.cacao.viewcontroller
 
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.util.properties.ObservableLazyProperty
 import net.shadowfacts.cacao.view.View
 import net.shadowfacts.kiwidsl.dsl
diff --git a/src/main/kotlin/net/shadowfacts/cacao/window/ScreenHandlerWindow.kt b/src/main/kotlin/net/shadowfacts/cacao/window/ScreenHandlerWindow.kt
new file mode 100644
index 0000000..73842e1
--- /dev/null
+++ b/src/main/kotlin/net/shadowfacts/cacao/window/ScreenHandlerWindow.kt
@@ -0,0 +1,14 @@
+package net.shadowfacts.cacao.window
+
+import net.minecraft.screen.ScreenHandler
+import net.shadowfacts.cacao.viewcontroller.ViewController
+
+/**
+ * @author shadowfacts
+ */
+class ScreenHandlerWindow(
+	val screenHandler: ScreenHandler,
+	viewController: ViewController
+): Window(viewController) {
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/net/shadowfacts/cacao/Window.kt b/src/main/kotlin/net/shadowfacts/cacao/window/Window.kt
similarity index 93%
rename from src/main/kotlin/net/shadowfacts/cacao/Window.kt
rename to src/main/kotlin/net/shadowfacts/cacao/window/Window.kt
index b5863df..4f1ee3b 100644
--- a/src/main/kotlin/net/shadowfacts/cacao/Window.kt
+++ b/src/main/kotlin/net/shadowfacts/cacao/window/Window.kt
@@ -1,6 +1,8 @@
-package net.shadowfacts.cacao
+package net.shadowfacts.cacao.window
 
 import net.minecraft.client.util.math.MatrixStack
+import net.shadowfacts.cacao.AbstractCacaoScreen
+import net.shadowfacts.cacao.CacaoScreen
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.util.MouseButton
 import net.shadowfacts.cacao.view.View
@@ -20,7 +22,7 @@ import no.birkett.kiwi.Variable
  *
  * @param viewController The root view controller for this window.
  */
-class Window(
+open class Window(
 		/**
 		 * The root view controller for this window.
 		 */
@@ -31,7 +33,7 @@ class Window(
 	 * The screen that this window belongs to.
 	 * Not initialized until this window is added to a screen, using it before that point will throw a runtime exception.
 	 */
-	lateinit var screen: CacaoScreen
+	lateinit var screen: AbstractCacaoScreen
 
 	/**
 	 * The constraint solver used by this window and all its views and subviews.
@@ -157,7 +159,7 @@ class Window(
 	 * @param mouse The point in the coordinate system of the window.
 	 * @param delta The time elapsed since the last frame.
 	 */
-	fun draw(matrixStack: MatrixStack, mouse: Point, delta: Float) {
+	open fun draw(matrixStack: MatrixStack, mouse: Point, delta: Float) {
 		val mouseInView = Point(mouse.x - viewController.view.frame.left, mouse.y - viewController.view.frame.top)
 		viewController.view.draw(matrixStack, mouseInView, delta)
 	}
@@ -188,13 +190,14 @@ class Window(
 		if (currentlyDraggedView != null) {
 			return currentlyDraggedView.mouseDragged(startPoint, delta, mouseButton)
 		} else if (startPoint in viewController.view.frame) {
-			val startInView = Point(startPoint.x - viewController.view.frame.left, startPoint.y - viewController.view.frame.top)
+			val startInView =
+				Point(startPoint.x - viewController.view.frame.left, startPoint.y - viewController.view.frame.top)
 			var prevView: View? = null
-			var view = viewController.view.subviewsAtPoint(startInView).maxBy(View::zIndex)
+			var view = viewController.view.subviewsAtPoint(startInView).maxByOrNull(View::zIndex)
 			while (view != null && !view.respondsToDragging) {
 				prevView = view
 				val pointInView = viewController.view.convert(startInView, to = view)
-				view = view.subviewsAtPoint(pointInView).maxBy(View::zIndex)
+				view = view.subviewsAtPoint(pointInView).maxByOrNull(View::zIndex)
 			}
 			this.currentDragReceiver = view ?: prevView
 			return this.currentDragReceiver?.mouseDragged(startPoint, delta, mouseButton) ?: false
diff --git a/src/main/kotlin/net/shadowfacts/phycon/item/ConsoleItem.kt b/src/main/kotlin/net/shadowfacts/phycon/item/ConsoleItem.kt
index a6570af..f5cb03a 100644
--- a/src/main/kotlin/net/shadowfacts/phycon/item/ConsoleItem.kt
+++ b/src/main/kotlin/net/shadowfacts/phycon/item/ConsoleItem.kt
@@ -9,6 +9,7 @@ import net.shadowfacts.phycon.PhysicalConnectivity
 import net.shadowfacts.phycon.network.DeviceBlock
 import net.shadowfacts.phycon.network.DeviceBlockEntity
 import net.shadowfacts.phycon.screen.DeviceConsoleScreen
+import net.shadowfacts.phycon.screen.TestCacaoScreen
 
 /**
  * @author shadowfacts
@@ -36,7 +37,8 @@ class ConsoleItem: Item(Settings()) {
 	}
 
 	private fun openScreen(be: DeviceBlockEntity) {
-		val screen = DeviceConsoleScreen(be)
+//		val screen = DeviceConsoleScreen(be)
+		val screen = TestCacaoScreen()
 		MinecraftClient.getInstance().openScreen(screen)
 	}
 
diff --git a/src/main/kotlin/net/shadowfacts/phycon/screen/TestCacaoScreen.kt b/src/main/kotlin/net/shadowfacts/phycon/screen/TestCacaoScreen.kt
index 525073d..1ca0579 100644
--- a/src/main/kotlin/net/shadowfacts/phycon/screen/TestCacaoScreen.kt
+++ b/src/main/kotlin/net/shadowfacts/phycon/screen/TestCacaoScreen.kt
@@ -2,7 +2,7 @@ package net.shadowfacts.phycon.screen
 
 import net.minecraft.util.Identifier
 import net.shadowfacts.cacao.CacaoScreen
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Axis
 import net.shadowfacts.cacao.geometry.Size
 import net.shadowfacts.cacao.util.Color
diff --git a/src/test/kotlin/net/shadowfacts/cacao/CoordinateConversionTests.kt b/src/test/kotlin/net/shadowfacts/cacao/CoordinateConversionTests.kt
index 5b752a9..787ad5b 100644
--- a/src/test/kotlin/net/shadowfacts/cacao/CoordinateConversionTests.kt
+++ b/src/test/kotlin/net/shadowfacts/cacao/CoordinateConversionTests.kt
@@ -4,6 +4,7 @@ import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.view.View
 import net.shadowfacts.cacao.viewcontroller.ViewController
+import net.shadowfacts.cacao.window.Window
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
diff --git a/src/test/kotlin/net/shadowfacts/cacao/WindowLayoutTests.kt b/src/test/kotlin/net/shadowfacts/cacao/WindowLayoutTests.kt
index ae6214e..b39976a 100644
--- a/src/test/kotlin/net/shadowfacts/cacao/WindowLayoutTests.kt
+++ b/src/test/kotlin/net/shadowfacts/cacao/WindowLayoutTests.kt
@@ -5,6 +5,7 @@ import net.shadowfacts.kiwidsl.dsl
 import net.shadowfacts.cacao.geometry.Size
 import net.shadowfacts.cacao.view.View
 import net.shadowfacts.cacao.viewcontroller.ViewController
+import net.shadowfacts.cacao.window.Window
 import org.junit.jupiter.api.Assertions.*
 import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
diff --git a/src/test/kotlin/net/shadowfacts/cacao/view/StackViewLayoutTests.kt b/src/test/kotlin/net/shadowfacts/cacao/view/StackViewLayoutTests.kt
index 82dde34..4dea9bd 100644
--- a/src/test/kotlin/net/shadowfacts/cacao/view/StackViewLayoutTests.kt
+++ b/src/test/kotlin/net/shadowfacts/cacao/view/StackViewLayoutTests.kt
@@ -2,7 +2,7 @@ package net.shadowfacts.cacao.view
 
 import net.shadowfacts.cacao.CacaoScreen
 import net.shadowfacts.kiwidsl.dsl
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Axis
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.geometry.Size
diff --git a/src/test/kotlin/net/shadowfacts/cacao/view/ViewClickTests.kt b/src/test/kotlin/net/shadowfacts/cacao/view/ViewClickTests.kt
index 0d4b133..771a2bd 100644
--- a/src/test/kotlin/net/shadowfacts/cacao/view/ViewClickTests.kt
+++ b/src/test/kotlin/net/shadowfacts/cacao/view/ViewClickTests.kt
@@ -1,7 +1,7 @@
 package net.shadowfacts.cacao.view
 
 import net.shadowfacts.cacao.CacaoScreen
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.util.MouseButton
diff --git a/src/test/kotlin/net/shadowfacts/cacao/view/ViewHoverTests.kt b/src/test/kotlin/net/shadowfacts/cacao/view/ViewHoverTests.kt
index 6a44b98..2f1f359 100644
--- a/src/test/kotlin/net/shadowfacts/cacao/view/ViewHoverTests.kt
+++ b/src/test/kotlin/net/shadowfacts/cacao/view/ViewHoverTests.kt
@@ -2,7 +2,7 @@ package net.shadowfacts.cacao.view
 
 import net.minecraft.client.util.math.MatrixStack
 import net.shadowfacts.cacao.CacaoScreen
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.viewcontroller.ViewController
diff --git a/src/test/kotlin/net/shadowfacts/cacao/view/button/ButtonClickTests.kt b/src/test/kotlin/net/shadowfacts/cacao/view/button/ButtonClickTests.kt
index a39f9e2..67ed7e1 100644
--- a/src/test/kotlin/net/shadowfacts/cacao/view/button/ButtonClickTests.kt
+++ b/src/test/kotlin/net/shadowfacts/cacao/view/button/ButtonClickTests.kt
@@ -1,7 +1,7 @@
 package net.shadowfacts.cacao.view.button
 
 import net.shadowfacts.cacao.CacaoScreen
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.geometry.Size
diff --git a/src/test/kotlin/net/shadowfacts/cacao/view/button/EnumButtonTests.kt b/src/test/kotlin/net/shadowfacts/cacao/view/button/EnumButtonTests.kt
index 70e6577..248f1aa 100644
--- a/src/test/kotlin/net/shadowfacts/cacao/view/button/EnumButtonTests.kt
+++ b/src/test/kotlin/net/shadowfacts/cacao/view/button/EnumButtonTests.kt
@@ -1,7 +1,7 @@
 package net.shadowfacts.cacao.view.button
 
 import net.shadowfacts.cacao.CacaoScreen
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.util.MouseButton
diff --git a/src/test/kotlin/net/shadowfacts/cacao/view/button/ToggleButtonTests.kt b/src/test/kotlin/net/shadowfacts/cacao/view/button/ToggleButtonTests.kt
index f3c595b..88d22d1 100644
--- a/src/test/kotlin/net/shadowfacts/cacao/view/button/ToggleButtonTests.kt
+++ b/src/test/kotlin/net/shadowfacts/cacao/view/button/ToggleButtonTests.kt
@@ -1,7 +1,7 @@
 package net.shadowfacts.cacao.view.button
 
 import net.shadowfacts.cacao.CacaoScreen
-import net.shadowfacts.cacao.Window
+import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.util.MouseButton