Cacao: More docs

src/main/java/net/shadowfacts/phycon/mixin/client/TextFieldWidgetAccessor.java

@@ -0,0 +1,14 @@
+package net.shadowfacts.phycon.mixin.client;
+
+import net.minecraft.client.gui.widget.TextFieldWidget;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+/**
+ * @author shadowfacts
+ */
+@Mixin(TextFieldWidget.class)
+public interface TextFieldWidgetAccessor {
+	@Accessor("maxLength")
+	int cacao_getMaxLength();
+}

src/main/kotlin/net/shadowfacts/cacao/CacaoScreen.kt

@@ -24,14 +24,15 @@ open class CacaoScreen(title: Text = LiteralText("CacaoScreen")): Screen(title),
 	private val _windows = LinkedList<Window>()
 	/**
 	 * The list of windows that belong to this screen.
+	 *
+	 * The window at the end of this list is the active window is the only window that will receive input events.
+	 *
 	 * This list should never be modified directly, only by using the [addWindow]/[removeWindow] methods.
 	 */
 	override val windows: List<Window> = _windows
 
 	/**
-	 * Adds the given window to this screen's window list.
-	 * By default, the new window is added at the tail of the window list, making it the active window.
-	 * Only the active window will receive input events.
+	 * Adds the given window to this screen's window list at the given position.
 	 *
 	 * @param window The Window to add to this screen.
 	 * @param index The index to insert the window into the window list at.
@@ -47,6 +48,9 @@ open class CacaoScreen(title: Text = LiteralText("CacaoScreen")): Screen(title),
 		return window
 	}
 
+	/**
+	 * Adds the given window to the end of this screen's window list, making it the active window.
+	 */
 	override fun <T : Window> addWindow(window: T): T {
 		return addWindow(window, _windows.size)
 	}

src/main/kotlin/net/shadowfacts/cacao/Responder.kt

@@ -4,17 +4,42 @@ import net.shadowfacts.cacao.util.KeyModifiers
 import net.shadowfacts.cacao.window.Window
 
 /**
+ * A responder is an object which participates in the responder chain, a mechanism for propagating indirect events (i.e.
+ * events for which there is no on-screen position to determine the targeted view, such as key presses) through the
+ * view hierarchy.
+ *
  * @author shadowfacts
  */
 interface Responder {
 
+	/**
+	 * The window that this responder is part of.
+	 */
 	val window: Window?
 
+	/**
+	 * Whether this responder is the first responder of its window.
+	 *
+	 * `false` if [window] is null.
+	 *
+	 * @see Window.firstResponder
+	 */
 	val isFirstResponder: Boolean
 		get() = window?.firstResponder === this
 
+	/**
+	 * The next responder in the chain after this. The next responder will receive an event if this responder did not
+	 * accept it.
+	 *
+	 * The next responder may be `null` if this responder is at the end of the chain.
+	 */
 	val nextResponder: Responder?
 
+	/**
+	 * Makes this responder become the window's first responder.
+	 * @throws RuntimeException if [window] is null
+	 * @see Window.firstResponder
+	 */
 	fun becomeFirstResponder() {
 		if (window == null) {
 			throw RuntimeException("Cannot become first responder while not in Window")
@@ -22,8 +47,17 @@ interface Responder {
 		window!!.firstResponder = this
 	}
 
+	/**
+	 * Called immediately after this responder has become the window's first responder.
+	 * @see Window.firstResponder
+	 */
 	fun didBecomeFirstResponder() {}
 
+	/**
+	 * Removes this object as the window's first responder.
+	 * @throws RuntimeException if [window] is null
+	 * @see Window.firstResponder
+	 */
 	fun resignFirstResponder() {
 		if (window == null) {
 			throw RuntimeException("Cannot resign first responder while not in Window")
@@ -31,12 +65,34 @@ interface Responder {
 		window!!.firstResponder = null
 	}
 
+	/**
+	 * Called immediately before this object is removed as the window's first responder.
+	 * @see Window.firstResponder
+	 */
 	fun didResignFirstResponder() {}
 
+	/**
+	 * Called when a character has been typed.
+	 *
+	 * @param char The character that was typed.
+	 * @param modifiers The key modifiers that were held down when the character was typed.
+	 * @return Whether this responder accepted the event. If `true`, it will not be passed to the next responder.
+	 */
 	fun charTyped(char: Char, modifiers: KeyModifiers): Boolean {
 		return false
 	}
 
+	/**
+	 * Called when a keyboard key is pressed.
+	 *
+	 * If the pressed key is a typed character, [charTyped] will also be called. The order in which the methods are
+	 * invoked is undefined and should not be relied upon.
+	 *
+	 * @param keyCode The integer code of the key that was pressed.
+	 * @param modifiers The key modifiers that were held down when the character was typed.
+	 * @return Whether this responder accepted the event. If `true`, it will not be passed to the next responder.
+	 * @see org.lwjgl.glfw.GLFW for key code constants
+	 */
 	fun keyPressed(keyCode: Int, modifiers: KeyModifiers): Boolean {
 		return false
 	}

src/main/kotlin/net/shadowfacts/cacao/util/KeyModifiers.kt

@@ -3,7 +3,10 @@ package net.shadowfacts.cacao.util
 import org.lwjgl.glfw.GLFW
 
 /**
+ * A set of modifier keys that are being pressed at given instant.
+ *
  * @author shadowfacts
+ * @param value The integer representation of the pressed modifiers as received from GLFW.
  */
 class KeyModifiers(val value: Int) {
 

src/main/kotlin/net/shadowfacts/cacao/view/View.kt

@@ -29,6 +29,10 @@ open class View(): Responder {
 	*/
 	override var window: Window? = null
 
+	/**
+	 * The next responder after this one.
+	 * For views, the next responder is the view's superview.
+	 */
 	override val nextResponder: Responder?
 	// todo: should the view controller be a Responder?
 		get() = superview
@@ -39,7 +43,7 @@ open class View(): Responder {
 		}
 	}
 	/**
-	 * The constraint solver used by the [net.shadowfacts.cacao.Window] this view belongs to.
+	 * The constraint solver used by the [Window] this view belongs to.
 	 * Not initialized until [wasAdded] called, using it before that will throw a runtime exception.
 	 */
 	var solver: Solver by solverDelegate
@@ -189,7 +193,9 @@ open class View(): Responder {
 	}
 
 	/**
-	 * Removes the given view from this view's children and removes all constraints associated with it.
+	 * Removes the given view from this view's children and removes all constraints that connect the subview or any of
+	 * its children (recursively) to a view outside of the subview's hierarchy. Constraints internal to the subview's
+	 * hierarchy (e.g., one between the subview and its child) will be left in place.
 	 *
 	 * @param view The view to removed as a child of this view.
 	 * @throws RuntimeException If the given [view] is not a subview of this view.
@@ -199,7 +205,6 @@ open class View(): Responder {
 			throw RuntimeException("Cannot remove subview whose superview is not this view")
 		}
 
-
 		_subviews.remove(view)
 		subviewsSortedByZIndex = subviews.sortedBy(View::zIndex)
 
@@ -350,7 +355,13 @@ open class View(): Responder {
 	open fun drawContent(matrixStack: MatrixStack, mouse: Point, delta: Float) {}
 
 	/**
-	 * Called when this view is clicked. May delegate to [subviews].
+	 * Called when this view is clicked.
+	 *
+	 * The base implementation of this method forwards the click event to the first subview (sorted by [zIndex]) that
+	 * contains the clicked point. Additionally, any subviews of this view that do not contain the clicked point receive
+	 * the [mouseClickedOutside] event. If multiple views contain the point, any after one that returns `true` from this
+	 * method will not receive the event or the click-outside event.
+	 *
 	 * If overridden, the super-class method does not have to be called. Intentionally not calling it may be used
 	 * to prevent [subviews] from receiving click events.
 	 *
@@ -373,6 +384,14 @@ open class View(): Responder {
 		return result
 	}
 
+	/**
+	 * Called when the mouse was clicked outside this view.
+	 *
+	 * The base implementation of this method simply forwards the event to all of this view's subviews.
+	 *
+	 * @param point The clicked point _in the coordinate space of this view_.
+	 * @param mouseButton The mouse button used to click.
+	 */
 	open fun mouseClickedOutside(point: Point, mouseButton: MouseButton) {
 		for (view in subviews) {
 			val pointInView = convert(point, to = view)

src/main/kotlin/net/shadowfacts/cacao/view/button/AbstractButton.kt

@@ -10,8 +10,8 @@ import net.shadowfacts.cacao.view.View
 import net.shadowfacts.kiwidsl.dsl
 
 /**
- * A abstract button class. Cannot be constructed directly, used for creating button implementations with their own logic.
- * Use [Button] for a generic no-frills button.
+ * An abstract button class. Cannot be constructed directly, used for creating button implementations with their own
+ * logic. Use [Button] for a generic no-frills button.
  *
  * @author shadowfacts
  * @param Impl The type of the concrete implementation of the button.

src/main/kotlin/net/shadowfacts/cacao/view/button/Button.kt

@@ -8,9 +8,14 @@ import net.shadowfacts.cacao.view.View
  * @author shadowfacts
  * @param content The [View] that provides the content of this button.
  * @param padding The padding between the [content] and the edges of the button.
+ * @param handler The handler function to invoke when this button is pressed.
  */
-class Button(content: View, padding: Double = 4.0): AbstractButton<Button>(content, padding) {
-	constructor(content: View, padding: Double = 4.0, handler: (Button) -> Unit): this(content, padding) {
+class Button(
+	content: View,
+	padding: Double = 4.0,
+	handler: ((Button) -> Unit)? = null
+): AbstractButton<Button>(content, padding) {
+	init {
 		this.handler = handler
 	}
 }

src/main/kotlin/net/shadowfacts/cacao/view/button/EnumButton.kt

@@ -14,7 +14,7 @@ import net.shadowfacts.cacao.view.Label
  *
  * @author shadowfacts
  * @param initialValue The initial enum value for this button.
- * @param localizer A function that takes an enum value and converts into a string for the button's label.
+ * @param localizer A function that takes an enum value and converts into a [Text] for the button's label.
  */
 class EnumButton<E: Enum<E>>(
 	initialValue: E,

src/main/kotlin/net/shadowfacts/cacao/view/textfield/AbstractTextField.kt

@@ -10,26 +10,58 @@ import net.shadowfacts.cacao.util.KeyModifiers
 import net.shadowfacts.cacao.util.MouseButton
 import net.shadowfacts.cacao.util.RenderHelper
 import net.shadowfacts.cacao.view.View
+import net.shadowfacts.phycon.mixin.client.TextFieldWidgetAccessor
 
 /**
+ * An abstract text field class. Cannot be constructed directly, use for creating other text fields with more specific
+ * behavior. Use [TextField] for a plain text field.
+ *
  * @author shadowfacts
+ * @param Impl The type of the concrete implementation of the text field. Used to allow the [handler] to receive the
+ *             the exact type of text field.
+ * @param initialText The initial value of the text field.
  */
 abstract class AbstractTextField<Impl: AbstractTextField<Impl>>(
 	initialText: String
 ): View() {
 
+	/**
+	 * A function that is invoked when the text in this text field changes.
+	 */
 	var handler: ((Impl) -> Unit)? = null
+
+	/**
+	 * Whether the text field is disabled.
+	 * Disabled text fields cannot be interacted with.
+	 */
 	var disabled = false
 
+	/**
+	 * Whether this text field is focused (i.e. [isFirstResponder]) and receives key events.
+	 */
 	val focused: Boolean
 		get() = isFirstResponder
 
+	/**
+	 * The current text of this text field.
+	 */
 	var text: String
 		get() = minecraftWidget.text
 		set(value) {
 			minecraftWidget.text = value
 		}
 
+	/**
+	 * The maximum length of text that this text field can hold.
+	 *
+	 * Defaults to the Minecraft text field's maximum length (currently 32, subject to change).
+	 */
+	var maxLength: Int
+		get() = (minecraftWidget as TextFieldWidgetAccessor).cacao_getMaxLength()
+		set(value) {
+			minecraftWidget.setMaxLength(value)
+		}
+
 	private lateinit var originInWindow: Point
 	private var minecraftWidget = ProxyWidget()
 
@@ -38,6 +70,9 @@ abstract class AbstractTextField<Impl: AbstractTextField<Impl>>(
 		minecraftWidget.setTextPredicate { this.validate(it) }
 	}
 
+	/**
+	 * A function used by subclasses to determine whether a proposed value is acceptable for this field.
+	 */
 	abstract fun validate(proposedText: String): Boolean
 
 	override fun didLayout() {
@@ -118,7 +153,7 @@ abstract class AbstractTextField<Impl: AbstractTextField<Impl>>(
 	}
 
 	// todo: label for the TextFieldWidget?
-	class ProxyWidget: TextFieldWidget(MinecraftClient.getInstance().textRenderer, 0, 0, 0, 0, LiteralText("")) {
+	private class ProxyWidget: TextFieldWidget(MinecraftClient.getInstance().textRenderer, 0, 0, 0, 0, LiteralText("")) {
 		// AbstractButtonWidget.height is protected
 		fun setHeight(height: Int) {
 			this.height = height

src/main/kotlin/net/shadowfacts/cacao/view/textfield/TextField.kt

@@ -1,10 +1,17 @@
 package net.shadowfacts.cacao.view.textfield
 
 /**
+ * A simple, no-frills text field. This text field accepts any value.
+ *
  * @author shadowfacts
+ * @param initialText The initial value of this text field.
+ * @param handler A function that is invoked when the value of the text field changes.
  */
-class TextField(initialText: String): AbstractTextField<TextField>(initialText) {
-	constructor(initialText: String, handler: (TextField) -> Unit): this(initialText) {
+class TextField(
+	initialText: String,
+	handler: ((TextField) -> Unit)? = null
+): AbstractTextField<TextField>(initialText) {
+	init {
 		this.handler = handler
 	}
 

src/main/kotlin/net/shadowfacts/cacao/viewcontroller/TabViewController.kt

@@ -7,7 +7,6 @@ import net.shadowfacts.cacao.geometry.Axis
 import net.shadowfacts.cacao.geometry.Point
 import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.geometry.Size
-import net.shadowfacts.cacao.util.Color
 import net.shadowfacts.cacao.util.MouseButton
 import net.shadowfacts.cacao.util.texture.NinePatchTexture
 import net.shadowfacts.cacao.util.texture.Texture
@@ -17,22 +16,69 @@ import net.shadowfacts.cacao.view.TextureView
 import net.shadowfacts.cacao.view.View
 import net.shadowfacts.cacao.view.button.AbstractButton
 import net.shadowfacts.kiwidsl.dsl
+import java.lang.RuntimeException
 
 /**
+ * A tab view controller is divided into two sections: a tab bar at the top, and a content view at the bottom.
+ *
+ * The tab bar contains a tab button for each of the tabs in the VC and the content view contains the view of the
+ * active tab's view controller.
+ *
+ * The active tab's view controller is also added as a child of the tab view controller.
+ *
  * @author shadowfacts
+ * @param T The type of the tab objects this view controller uses.
+ * @param tabs The list of tabs in this controller.
+ * @param initialTab The tab that is initially selected when the controller is first created.
+ * @param onTabChange A function invoked immediately after the active tab has changed (and the content view has been
+ *                    updated).
  */
 class TabViewController<T: TabViewController.Tab>(
 	val tabs: List<T>,
-	initalTab: T = tabs.first()
+	initialTab: T = tabs.first(),
+	val onTabChange: ((T) -> Unit)? = null
 ): ViewController() {
 
+	/**
+	 * The Tab interface defines the requirements for tab objects that can be used with this view controller.
+	 *
+	 * This is an interface to allow for tab objects to carry additional data. A simple implementation is provided.
+	 * @see SimpleTab
+	 */
 	interface Tab {
+		/**
+		 * The view displayed on the button for this tab.
+		 */
 		val tabView: View
+
+		/**
+		 * The tooltip displayed when the button for this tab is hovered. `null` if no tooltip should be shown.
+		 */
 		val tooltip: Text?
+
+		/**
+		 * The view controller used as content when this tab is active. When switching tabs, the returned content VC
+		 * may be reused or created from scratch each time.
+		 */
 		val controller: ViewController
 	}
 
-	var currentTab: T = initalTab
+	/**
+	 * A simple [Tab] implementation that provides the minimum necessary information.
+	 * @param tabView The view to display on the tab's button.
+	 * @param tooltip The tooltip to display when the tab's button is hovered (or `null`, if none).
+	 * @param controller The content view controller for this tab.
+	 */
+	class SimpleTab(
+		override val tabView: View,
+		override val tooltip: Text? = null,
+		override val controller: ViewController,
+	): Tab
+
+	/**
+	 * The currently selected tab.
+	 */
+	var currentTab: T = initialTab
 		private set
 
 	private lateinit var tabButtons: List<TabButton<T>>
@@ -57,7 +103,7 @@ class TabViewController<T: TabViewController.Tab>(
 
 		tabButtons = tabs.mapIndexed { index, tab ->
 			val btn = TabButton(tab)
-			btn.handler = this::selectTab
+			btn.handler = { selectTab(it.tab) }
 			if (tab == currentTab) {
 				btn.setSelected(true)
 			}
@@ -91,16 +137,30 @@ class TabViewController<T: TabViewController.Tab>(
 		}
 	}
 
-	private fun selectTab(button: TabButton<T>) {
+	/**
+	 * Sets the provided tab as the currently active tab for this controller. Updates the state of tab bar buttons and
+	 * swaps the content view controller.
+	 *
+	 * After the tab and the content are changed, [onTabChange] is invoked.
+	 *
+	 * @throws RuntimeException If the provided tab was not passed in as part of the [tabs] list.
+	 */
+	fun selectTab(tab: T) {
+		if (!tabs.contains(tab)) {
+			throw RuntimeException("Cannot activate tab not in TabViewController.tabs")
+		}
+
 		val oldTab = currentTab
-		currentTab = button.tab
+		currentTab = tab
 
-		// todo: unselect old button
-		tabButtons.forEach { it.setSelected(false) }
+		tabButtons.forEach {
+			it.setSelected(it.tab === tab)
+		}
 		oldTab.controller.removeFromParent()
-
-		button.setSelected(true)
 		embedChild(currentTab.controller, tabVCContainer)
+
+		onTabChange?.invoke(currentTab)
+
 		// todo: setNeedsLayout
 		window!!.layout()
 	}

src/main/kotlin/net/shadowfacts/cacao/viewcontroller/ViewController.kt

@@ -76,6 +76,9 @@ abstract class ViewController {
 		view = View()
 	}
 
+	/**
+	 * If the view for this controller has already been loaded.
+	 */
 	val isViewLoaded: Boolean
 		get() = ::view.isInitialized
 

src/main/kotlin/net/shadowfacts/cacao/window/Window.kt

@@ -77,6 +77,18 @@ open class Window(
 	 */
 	val centerYAnchor = Variable("centerY")
 
+	/**
+	 * The first responder of the a window is the first object that receives indirect events (e.g., keypresses).
+	 *
+	 * When an indirect event is received by the window, it is given to the first responder. If the first responder does
+	 * not accept it (i.e. returns `false` from the appropriate method), the event will be passed to that responder's
+	 * [Responder.nextResponder], and so on.
+	 *
+	 * The following is the order of events when setting this property:
+	 * 1. The old first responder (if any) has [Responder.didResignFirstResponder] invoked.
+	 * 2. The value of the field is updated.
+	 * 3. The new value (if any) has [Responder.didBecomeFirstResponder] invoked.
+	 */
 	var firstResponder: Responder? = null
 		set(value) {
 			field?.didResignFirstResponder()
@@ -183,6 +195,13 @@ open class Window(
 		}
 	}
 
+	/**
+	 * Draw a tooltip containing the given lines at the mouse pointer location.
+	 *
+	 * Implementation note: the tooltip is not drawn immediately, it is done after the window is done drawing all of its
+	 * views. This is done to prevent other views from being drawn in front of the tooltip. Additionally, more than one
+	 * tooltip cannot be drawn in a frame as they would appear at the same position.
+	 */
 	fun drawTooltip(text: List<Text>) {
 		if (currentDeferredTooltip != null) {
 			throw RuntimeException("Deferred tooltip already registered for current frame")
@@ -199,6 +218,7 @@ open class Window(
 	 * @return Whether the mouse click was handled by a view.
 	 */
 	fun mouseClicked(point: Point, mouseButton: MouseButton): Boolean {
+		// todo: isn't this always true?
 		if (point in viewController.view.frame) {
 			val mouseInView = Point(point.x - viewController.view.frame.left, point.y - viewController.view.frame.top)
 			return viewController.view.mouseClicked(mouseInView, mouseButton)

src/main/kotlin/net/shadowfacts/phycon/screen/TestCacaoScreen.kt

@@ -24,78 +24,78 @@ import net.shadowfacts.kiwidsl.dsl
 class TestCacaoScreen: CacaoScreen() {
 
 	init {
-		val viewController = object: ViewController() {
-			override fun loadView() {
-				view = View()
-			}
-
-			override fun viewDidLoad() {
-				super.viewDidLoad()
-
-				val stack = view.addSubview(StackView(Axis.VERTICAL, StackView.Distribution.CENTER, spacing = 4.0)).apply {
-					backgroundColor = Color.WHITE
-				}
-				val birch = stack.addArrangedSubview(TextureView(Texture(Identifier("textures/block/birch_log_top.png"), 0, 0, 16, 16))).apply {
-					intrinsicContentSize = Size(50.0, 50.0)
-				}
-				val ninePatch = stack.addArrangedSubview(NinePatchView(NinePatchTexture.PANEL_BG)).apply {
-					intrinsicContentSize = Size(75.0, 100.0)
-				}
-				val red = stack.addArrangedSubview(View()).apply {
-					intrinsicContentSize = Size(50.0, 50.0)
-					backgroundColor = Color.RED
-				}
-
-				val label = Label(LiteralText("Test"), wrappingMode = Label.WrappingMode.NO_WRAP).apply {
-//					textColor = Color.BLACK
-				}
-//				stack.addArrangedSubview(label)
-				val button = red.addSubview(Button(label))
-
-				val field = TextField("Test") {
-					println("new value: ${it.text}")
-				}
-				stack.addArrangedSubview(field)
-
-				view.solver.dsl {
-					stack.topAnchor equalTo 0
-					stack.centerXAnchor equalTo window!!.centerXAnchor
-					stack.widthAnchor equalTo 100
-
-
-					button.centerXAnchor equalTo red.centerXAnchor
-					button.centerYAnchor equalTo red.centerYAnchor
-//					label.heightAnchor equalTo 9
-					button.heightAnchor equalTo 20
-
-					field.widthAnchor equalTo stack.widthAnchor
-					field.heightAnchor equalTo 20
-				}
-
-			}
-		}
-		addWindow(Window(viewController))
-
 //		val viewController = object: ViewController() {
+//			override fun loadView() {
+//				view = View()
+//			}
+//
 //			override fun viewDidLoad() {
 //				super.viewDidLoad()
 //
-//				val tabs = arrayOf(
-//					Tab(Label("A"), AViewController()),
-//					Tab(Label("B"), BViewController()),
-//				)
-//				val tabVC = TabViewController(tabs)
-//				embedChild(tabVC, pinEdges = false)
+//				val stack = view.addSubview(StackView(Axis.VERTICAL, StackView.Distribution.CENTER, spacing = 4.0)).apply {
+//					backgroundColor = Color.WHITE
+//				}
+//				val birch = stack.addArrangedSubview(TextureView(Texture(Identifier("textures/block/birch_log_top.png"), 0, 0, 16, 16))).apply {
+//					intrinsicContentSize = Size(50.0, 50.0)
+//				}
+//				val ninePatch = stack.addArrangedSubview(NinePatchView(NinePatchTexture.PANEL_BG)).apply {
+//					intrinsicContentSize = Size(75.0, 100.0)
+//				}
+//				val red = stack.addArrangedSubview(View()).apply {
+//					intrinsicContentSize = Size(50.0, 50.0)
+//					backgroundColor = Color.RED
+//				}
+//
+//				val label = Label(LiteralText("Test"), wrappingMode = Label.WrappingMode.NO_WRAP).apply {
+////					textColor = Color.BLACK
+//				}
+////				stack.addArrangedSubview(label)
+//				val button = red.addSubview(Button(label))
+//
+//				val field = TextField("Test") {
+//					println("new value: ${it.text}")
+//				}
+//				stack.addArrangedSubview(field)
 //
 //				view.solver.dsl {
-//					tabVC.view.centerXAnchor equalTo view.centerXAnchor
-//					tabVC.view.centerYAnchor equalTo view.centerYAnchor
-//					tabVC.view.widthAnchor equalTo 200
-//					tabVC.view.heightAnchor equalTo 150
+//					stack.topAnchor equalTo 0
+//					stack.centerXAnchor equalTo window!!.centerXAnchor
+//					stack.widthAnchor equalTo 100
+//
+//
+//					button.centerXAnchor equalTo red.centerXAnchor
+//					button.centerYAnchor equalTo red.centerYAnchor
+////					label.heightAnchor equalTo 9
+//					button.heightAnchor equalTo 20
+//
+//					field.widthAnchor equalTo stack.widthAnchor
+//					field.heightAnchor equalTo 20
 //				}
+//
 //			}
 //		}
 //		addWindow(Window(viewController))
+
+		val viewController = object: ViewController() {
+			override fun viewDidLoad() {
+				super.viewDidLoad()
+
+				val tabs = listOf(
+					Tab(Label("A"), AViewController(), LiteralText("Tab A")),
+					Tab(Label("B"), BViewController(), LiteralText("Tab B")),
+				)
+				val tabVC = TabViewController(tabs)
+				embedChild(tabVC, pinEdges = false)
+
+				view.solver.dsl {
+					tabVC.view.centerXAnchor equalTo view.centerXAnchor
+					tabVC.view.centerYAnchor equalTo view.centerYAnchor
+					tabVC.view.widthAnchor equalTo 200
+					tabVC.view.heightAnchor equalTo 150
+				}
+			}
+		}
+		addWindow(Window(viewController))
 	}
 
 	data class Tab(

src/main/kotlin/net/shadowfacts/phycon/screen/console/DeviceConsoleScreen.kt

@@ -1,21 +1,17 @@
 package net.shadowfacts.phycon.screen.console
 
-import net.minecraft.text.Text
 import net.minecraft.text.TranslatableText
 import net.minecraft.util.Identifier
 import net.shadowfacts.cacao.CacaoScreen
-import net.shadowfacts.cacao.geometry.Rect
 import net.shadowfacts.cacao.geometry.Size
 import net.shadowfacts.cacao.util.Color
 import net.shadowfacts.cacao.util.texture.Texture
 import net.shadowfacts.cacao.view.Label
 import net.shadowfacts.cacao.view.TextureView
-import net.shadowfacts.cacao.view.View
 import net.shadowfacts.cacao.viewcontroller.TabViewController
 import net.shadowfacts.cacao.viewcontroller.ViewController
 import net.shadowfacts.cacao.window.Window
 import net.shadowfacts.kiwidsl.dsl
-import net.shadowfacts.phycon.PhysicalConnectivity
 import net.shadowfacts.phycon.network.DeviceBlockEntity
 import net.shadowfacts.phycon.network.block.redstone.RedstoneControllerBlockEntity
 import net.shadowfacts.phycon.network.component.ActivationController
@@ -28,18 +24,18 @@ class DeviceConsoleScreen(
 	val device: DeviceBlockEntity,
 ): CacaoScreen(TranslatableText("item.phycon.console")) {
 
-	private val tabController: TabViewController<Tab>
+	private val tabController: TabViewController<TabViewController.SimpleTab>
 
 	init {
 		val tabs = mutableListOf(
-			Tab(
+			TabViewController.SimpleTab(
 				Label("IP").apply { textColor = Color.TEXT },
 				TranslatableText("gui.phycon.console.details"),
 				DeviceDetailsViewController(device)
 			)
 		)
 		if (device is ActivationController.ActivatableDevice) {
-			tabs.add(Tab(
+			tabs.add(TabViewController.SimpleTab(
 				TextureView(Texture(Identifier("textures/item/ender_pearl.png"), 0, 0, 16, 16)).apply {
 					intrinsicContentSize = Size(16.0, 16.0)
 				},
@@ -48,7 +44,7 @@ class DeviceConsoleScreen(
 			))
 		}
 		if (device is RedstoneControllerBlockEntity) {
-			tabs.add(Tab(
+			tabs.add(TabViewController.SimpleTab(
 				TextureView(Texture(Identifier("textures/block/redstone_torch.png"), 0, 0, 16, 16)).apply {
 					intrinsicContentSize = Size(16.0, 16.0)
 				},
@@ -85,10 +81,4 @@ class DeviceConsoleScreen(
 		return super.keyPressed(keyCode, scanCode, modifiers)
 	}
 
-	data class Tab(
-		override val tabView: View,
-		override val tooltip: Text?,
-		override val controller: ViewController,
-	): TabViewController.Tab
-
 }

src/main/resources/phycon-client.mixins.json

@@ -3,7 +3,8 @@
   "package": "net.shadowfacts.phycon.mixin.client",
   "compatibilityLevel": "JAVA_8",
   "mixins": [
-    "MixinHandledScreen"
+    "MixinHandledScreen",
+    "TextFieldWidgetAccessor"
   ],
   "injectors": {
     "defaultRequire": 1