From 69b8ef894e0a1129f56a676ca70ed17448b7e501 Mon Sep 17 00:00:00 2001
From: JFronny <git@akbvopenfl1.hopto.org>
Date: Mon, 14 Aug 2023 18:05:45 +0200
Subject: [PATCH] fix(config-ui-tiny): prevent incorrect gradients when in
 world

---
 .../impl/ui/tiny/entry/EntryListWidget.java   | 29 ++++++++++++++++---
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/libjf-config-ui-tiny-v1/src/client/java/io/gitlab/jfronny/libjf/config/impl/ui/tiny/entry/EntryListWidget.java b/libjf-config-ui-tiny-v1/src/client/java/io/gitlab/jfronny/libjf/config/impl/ui/tiny/entry/EntryListWidget.java
index 7653e36..f470c32 100644
--- a/libjf-config-ui-tiny-v1/src/client/java/io/gitlab/jfronny/libjf/config/impl/ui/tiny/entry/EntryListWidget.java
+++ b/libjf-config-ui-tiny-v1/src/client/java/io/gitlab/jfronny/libjf/config/impl/ui/tiny/entry/EntryListWidget.java
@@ -1,6 +1,5 @@
 package io.gitlab.jfronny.libjf.config.impl.ui.tiny.entry;
 
-import io.gitlab.jfronny.libjf.LibJf;
 import net.fabricmc.api.EnvType;
 import net.fabricmc.api.Environment;
 import net.minecraft.client.MinecraftClient;
@@ -8,21 +7,27 @@ import net.minecraft.client.font.TextRenderer;
 import net.minecraft.client.gui.*;
 import net.minecraft.client.gui.screen.Screen;
 import net.minecraft.client.gui.widget.*;
+import net.minecraft.client.render.RenderLayer;
 import net.minecraft.text.*;
+import net.minecraft.util.math.MathHelper;
 import org.jetbrains.annotations.Nullable;
 
 import java.util.*;
-import java.util.function.*;
+import java.util.function.BooleanSupplier;
+import java.util.function.Supplier;
 
 @Environment(EnvType.CLIENT)
 public class EntryListWidget extends ElementListWidget<EntryListWidget.ConfigEntry> {
-    TextRenderer textRenderer;
+    private final TextRenderer textRenderer;
+    private final boolean background;
 
     public EntryListWidget(MinecraftClient client, TextRenderer tr, int width, int height, int top, int bottom) {
         super(client, width, height, top, bottom, 25);
         this.centerListVertically = false;
         textRenderer = tr;
-        setRenderBackground(client.world == null);
+        background = client.world == null;
+        setRenderBackground(background);
+        setRenderHorizontalShadows(background);
     }
 
     @Override
@@ -73,6 +78,22 @@ public class EntryListWidget extends ElementListWidget<EntryListWidget.ConfigEnt
         }
     }
 
+    @Override
+    protected void renderDecorations(DrawContext context, int mouseX, int mouseY) {
+        super.renderDecorations(context, mouseX, mouseY);
+        if (background) return;
+
+        // Background texture at the top of the screen
+        context.setShaderColor(0.25f, 0.25f, 0.25f, 1.0f);
+        context.drawTexture(Screen.OPTIONS_BACKGROUND_TEXTURE, left, 0, 0.0f, 0.0f, width, top, 32, 32);
+        context.setShaderColor(1.0f, 1.0f, 1.0f, 1.0f);
+
+        // Gradient at the top of the screen
+        context.fillGradient(RenderLayer.getGuiOverlay(), left, top, right, top + 4, 0xff000000, 0x00000000, 0);
+        // Gradient at the bottom of the screen
+        if (getScrollAmount() < getMaxScroll()) context.fillGradient(RenderLayer.getGuiOverlay(), left, bottom - 4, right, bottom, 0x00000000, 0xff000000, 0);
+    }
+
     @Environment(EnvType.CLIENT)
     public abstract static class ConfigEntry extends Entry<ConfigEntry> implements Reflowable {
         @Override