1 files changed, 33 insertions, 0 deletions
diff --git a/src/main/java/me/shedaniel/rei/gui/widget/IWidget.java b/src/main/java/me/shedaniel/rei/gui/widget/IWidget.java
index d63817563..2b0735d4a 100644
--- a/src/main/java/me/shedaniel/rei/gui/widget/IWidget.java
+++ b/src/main/java/me/shedaniel/rei/gui/widget/IWidget.java
@@ -1,9 +1,42 @@
 package me.shedaniel.rei.gui.widget;
 
+import com.google.common.collect.Lists;
 import net.minecraft.client.gui.GuiEventListener;
 
+import java.util.List;
+
 public interface IWidget extends GuiEventListener {
     
+    public List<IWidget> getListeners();
+    
     public void draw(int mouseX, int mouseY, float partialTicks);
     
+    @Override
+    default boolean mouseClicked(double double_1, double double_2, int int_1) {
+        if (onMouseClick(int_1, double_1, double_2))
+            return true;
+        for(IWidget widget : getListeners())
+            if (widget.mouseClicked(double_1, double_2, int_1))
+                return true;
+        return false;
+    }
+    
+    default boolean onMouseClick(int button, double mouseX, double mouseY) {
+        return false;
+    }
+    
+    default boolean onMouseScrolled(double amount) {
+        return false;
+    }
+    
+    @Override
+    default boolean mouseScrolled(double amount) {
+        if (onMouseScrolled(amount))
+            return true;
+        for(IWidget widget : getListeners())
+            if (widget.mouseScrolled(amount))
+                return true;
+        return false;
+    }
+    
 }