feat: add ExtendedSimplePositionWidget and MultiTabWrapperWidget

Core/build.gradle

@@ -0,0 +1,4 @@
+
+loom {
+    accessWidenerPath = file("src/main/resources/core.accesswidener")
+}

Core/src/main/java/fr/altarik/toolbox/core/client/gui/ExtendedSimplePositionWidget.java

@@ -0,0 +1,34 @@
+package fr.altarik.toolbox.core.client.gui;
+
+import net.minecraft.client.gui.widget.Positioner;
+import net.minecraft.client.gui.widget.SimplePositioningWidget;
+import net.minecraft.client.gui.widget.Widget;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+
+public abstract class ExtendedSimplePositionWidget extends SimplePositioningWidget {
+
+    private final List<Element> elements = new ArrayList<>();
+
+    public ExtendedSimplePositionWidget(int x, int y, int width, int height) {
+        super(x, y, width, height);
+    }
+
+    @Override
+    public <T extends Widget> T add(T widget, Positioner positioner) {
+        this.elements.add(new Element(widget, positioner));
+        return widget;
+    }
+
+    public <T extends Widget> void remove(T widget) {
+        this.elements.remove(new Element(widget, this.copyPositioner()));
+    }
+
+    @Override
+    public void forEachElement(Consumer<Widget> consumer) {
+        this.elements.forEach((element) -> consumer.accept(element.widget));
+    }
+
+}

Core/src/main/java/fr/altarik/toolbox/core/client/gui/MultiTabWrapperWidget.java

@@ -0,0 +1,39 @@
+package fr.altarik.toolbox.core.client.gui;
+
+import net.minecraft.client.gui.screen.Screen;
+import net.minecraft.client.gui.widget.Widget;
+import net.minecraft.client.gui.widget.WrapperWidget;
+
+import java.util.function.Consumer;
+
+public abstract class MultiTabWrapperWidget<A extends Enum<A>, B extends Widget> extends WrapperWidget {
+
+    protected final Screen parent;
+    protected A currentTab;
+
+    public MultiTabWrapperWidget(Screen parent) {
+        this(parent, 0, 0, 0, 0);
+    }
+
+    public MultiTabWrapperWidget(Screen parent, int x, int y, int width, int height) {
+        super(x, y, width, height);
+        this.parent = parent;
+    }
+
+    protected void setCurrentTab(A currentTab) {
+        this.currentTab = currentTab;
+        update();
+    }
+
+    protected abstract B getCurrentTab();
+
+    public abstract void update();
+
+    public abstract void remove();
+
+    @Override
+    public void forEachElement(Consumer<Widget> consumer) {
+        // ignore
+    }
+
+}

Core/src/main/resources/core.accesswidener

@@ -0,0 +1,4 @@
+accessWidener v2 named
+
+accessible class net/minecraft/client/gui/widget/SimplePositioningWidget$Element
+accessible method net/minecraft/client/gui/widget/SimplePositioningWidget$Element <init> (Lnet/minecraft/client/gui/widget/Widget;Lnet/minecraft/client/gui/widget/Positioner;)V