added scrolling (need to add scissor)

src/main/java/org/saturnclient/ui2/Element.java

@@ -22,6 +22,9 @@ public class Element {
     public void click(int mouseX, int mouseY) {
     }
 
+    public void scroll(int mouseX, int mouseY, double horizontalAmount, double verticalAmount) {
+    }
+
     public final Element dimensions(int width, int height) {
         this.width = width;
         this.height = height;

src/main/java/org/saturnclient/ui2/RenderScope.java

@@ -20,7 +20,7 @@ public class RenderScope {
     public MatrixStack matrices;
     public VertexConsumerProvider.Immediate vertexConsumers;
     private Function<Identifier, RenderLayer> renderLayers;
-    private int opacity = 255 << 24;
+   private int opacity = 255 << 24;
 
     public RenderScope(MatrixStack matrices, VertexConsumerProvider.Immediate vertexConsumers) {
         this.matrices = matrices;

src/main/java/org/saturnclient/ui2/SaturnScreen.java

@@ -6,6 +6,7 @@ import java.util.List;
 import org.saturnclient.saturnclient.config.ThemeManager;
 import org.saturnclient.saturnclient.mixin.DrawContextAccessor;
 import org.saturnclient.ui2.anim.Animation;
+import org.saturnclient.ui2.components.ElementRenderer;
 
 import net.minecraft.client.gl.PostEffectProcessor;
 import net.minecraft.client.gui.CubeMapRenderer;
@@ -40,6 +41,10 @@ public abstract class SaturnScreen extends Screen {
     public void draw(Element element) {
         synchronized (elements) {
             elements.add(element);
+
+            if (element instanceof ElementRenderer) {
+                elements.addAll(((ElementRenderer) element).getChildren());
+            }
         }
         
         if (element.animation != null) {
@@ -125,4 +130,34 @@ public abstract class SaturnScreen extends Screen {
 
         return false;
     }
+
+    @Override
+    public boolean mouseScrolled(
+            double mouseX,
+            double mouseY,
+            double horizontalAmount,
+            double verticalAmount) {
+        for (Element element : new ArrayList<>(elements)) {
+            double adjustedMouseX = mouseX - element.x;
+            double adjustedMouseY = mouseY - element.y;
+            boolean isMouseInside = adjustedMouseX >= 0 &&
+                    adjustedMouseX <= (element.width * element.scale) &&
+                    adjustedMouseY >= 0 &&
+                    adjustedMouseY <= (element.height * element.scale);
+
+            if (isMouseInside) {
+                element.scroll(
+                        (int) (adjustedMouseX / element.scale),
+                        (int) (adjustedMouseY / element.scale),
+                        horizontalAmount,
+                        verticalAmount);
+            }
+        }
+
+        return super.mouseScrolled(
+                mouseX,
+                mouseY,
+                horizontalAmount,
+                verticalAmount);
+    }
 }

src/main/java/org/saturnclient/ui2/components/ElementRenderer.java

@@ -0,0 +1,10 @@
+package org.saturnclient.ui2.components;
+
+import java.util.List;
+
+import org.saturnclient.ui2.Element;
+
+public interface ElementRenderer {
+    List<Element> getChildren();
+    void draw(Element element);
+}

src/main/java/org/saturnclient/ui2/components/SaturnModule.java

@@ -0,0 +1,5 @@
+package org.saturnclient.ui2.components;
+
+public class SaturnModule {
+    
+}

src/main/java/org/saturnclient/ui2/elements/Scroll.java

@@ -0,0 +1,43 @@
+package org.saturnclient.ui2.elements;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.saturnclient.ui2.Element;
+import org.saturnclient.ui2.RenderContext;
+import org.saturnclient.ui2.RenderScope;
+import org.saturnclient.ui2.components.ElementRenderer;
+
+public class Scroll extends Element implements ElementRenderer {
+    protected List<Element> children = new ArrayList<>();
+
+    @Override
+    public void render(RenderScope renderScope, RenderContext ctx) {
+    }
+
+    @Override
+    public void draw(Element element) {
+        children.add(element);
+
+        if (element.width > width) {
+            width = element.width;
+        }
+
+        if (element.height > height) {
+            height = element.height;
+        }
+    }
+
+    @Override
+    public void scroll(int mouseX, int mouseY, double horizontalAmount, double verticalAmount) {
+        for (Element child : children) {
+            child.y -= verticalAmount;
+        }
+    }
+    
+
+    @Override
+    public List<Element> getChildren() {
+        return children;
+    }
+}

src/main/java/org/saturnclient/ui2/screens/ModMenu.java

@@ -0,0 +1,23 @@
+package org.saturnclient.ui2.screens;
+
+import org.saturnclient.saturnclient.SaturnClient;
+import org.saturnclient.ui2.SaturnScreen;
+import org.saturnclient.ui2.elements.Button;
+import org.saturnclient.ui2.elements.Scroll;
+
+public class ModMenu extends SaturnScreen {
+    public ModMenu() {
+        super("Mod Menu");
+    }
+
+    @Override
+    public void ui() {
+        Scroll scroll = new Scroll();
+
+        scroll.draw(new Button("Hello World!", () -> {
+            SaturnClient.LOGGER.info("Clicked Hello World!");
+        }));
+
+        draw(scroll);
+    }
+}

src/main/java/org/saturnclient/ui2/screens/ShiftMenu.java

@@ -4,7 +4,6 @@ import org.saturnclient.saturnclient.SaturnClient;
 import org.saturnclient.saturnclient.SaturnClientConfig;
 import org.saturnclient.saturnclient.menus.CloaksMenu;
 import org.saturnclient.saturnclient.menus.HudEditor;
-import org.saturnclient.saturnclient.menus.ModMenu;
 import org.saturnclient.ui.Textures;
 import org.saturnclient.ui2.Element;
 import org.saturnclient.ui2.SaturnScreen;