From de322e4b6e54caf574c404d64831c4f809496722 Mon Sep 17 00:00:00 2001
From: johni0702 <me@johni0702.de>
Date: Sun, 11 Oct 2015 10:37:40 +0200
Subject: [PATCH] Add background color to Containers

---
 .../gui/container/AbstractGuiContainer.java     | 17 +++++++++++++++++
 .../minecraft/gui/container/GuiContainer.java   |  3 +++
 2 files changed, 20 insertions(+)

diff --git a/src/main/java/de/johni0702/minecraft/gui/container/AbstractGuiContainer.java b/src/main/java/de/johni0702/minecraft/gui/container/AbstractGuiContainer.java
index 1bfbef0a..20afabaf 100644
--- a/src/main/java/de/johni0702/minecraft/gui/container/AbstractGuiContainer.java
+++ b/src/main/java/de/johni0702/minecraft/gui/container/AbstractGuiContainer.java
@@ -36,6 +36,7 @@ import net.minecraft.crash.CrashReportCategory;
 import net.minecraft.util.ReportedException;
 import org.apache.commons.lang3.tuple.Pair;
 import org.lwjgl.util.Point;
+import org.lwjgl.util.ReadableColor;
 import org.lwjgl.util.ReadableDimension;
 import org.lwjgl.util.ReadablePoint;
 
@@ -58,6 +59,8 @@ public abstract class AbstractGuiContainer<T extends AbstractGuiContainer<T>>
 
     private Layout layout = DEFAULT_LAYOUT;
 
+    private ReadableColor backgroundColor;
+
     public AbstractGuiContainer() {
     }
 
@@ -140,6 +143,9 @@ public abstract class AbstractGuiContainer<T extends AbstractGuiContainer<T>>
             });
             throw new ReportedException(crashReport);
         }
+        if (backgroundColor != null) {
+            renderer.drawRect(0, 0, size.getWidth(), size.getHeight(), backgroundColor);
+        }
         for (final Map.Entry<GuiElement, Pair<ReadablePoint, ReadableDimension>> e : layedOutElements.entrySet()) {
             GuiElement element = e.getKey();
             if (element instanceof ComposedGuiElement) {
@@ -210,4 +216,15 @@ public abstract class AbstractGuiContainer<T extends AbstractGuiContainer<T>>
     public ReadableDimension calcMinSize() {
         return layout.calcMinSize(this);
     }
+
+    @Override
+    public ReadableColor getBackgroundColor() {
+        return backgroundColor;
+    }
+
+    @Override
+    public T setBackgroundColor(ReadableColor backgroundColor) {
+        this.backgroundColor = backgroundColor;
+        return getThis();
+    }
 }
diff --git a/src/main/java/de/johni0702/minecraft/gui/container/GuiContainer.java b/src/main/java/de/johni0702/minecraft/gui/container/GuiContainer.java
index bfd846ec..afc442da 100644
--- a/src/main/java/de/johni0702/minecraft/gui/container/GuiContainer.java
+++ b/src/main/java/de/johni0702/minecraft/gui/container/GuiContainer.java
@@ -27,6 +27,7 @@ import de.johni0702.minecraft.gui.element.GuiElement;
 import de.johni0702.minecraft.gui.layout.Layout;
 import de.johni0702.minecraft.gui.layout.LayoutData;
 import org.lwjgl.util.Point;
+import org.lwjgl.util.ReadableColor;
 
 import java.util.Map;
 
@@ -41,4 +42,6 @@ public interface GuiContainer<T extends GuiContainer<T>> extends ComposedGuiElem
     T addElements(LayoutData layoutData, GuiElement...elements);
     T removeElement(GuiElement element);
 
+    ReadableColor getBackgroundColor();
+    T setBackgroundColor(ReadableColor backgroundColor);
 }