Update Mappings

26 files changed, 143 insertions, 105 deletions

diff --git a/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsCore.java b/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsCore.java
index f96ccd42a..eb3bec81f 100644
--- a/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsCore.java
+++ b/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsCore.java
@@ -41,7 +41,7 @@ import java.util.Optional;
 import java.util.stream.Collectors;
 
 public class RoughlyEnoughItemsCore implements ClientModInitializer {
-
+    
     public static final Logger LOGGER;
     private static final RecipeHelper RECIPE_HELPER = new RecipeHelperImpl();
     private static final PluginDisabler PLUGIN_DISABLER = new PluginDisablerImpl();
@@ -49,70 +49,80 @@ public class RoughlyEnoughItemsCore implements ClientModInitializer {
     private static final DisplayHelper DISPLAY_HELPER = new DisplayHelperImpl();
     private static final Map<Identifier, REIPluginEntry> plugins = Maps.newHashMap();
     private static ConfigManagerImpl configManager;
-
+    
     static {
         LOGGER = LogManager.getFormatterLogger("REI");
     }
-
+    
     public static RecipeHelper getRecipeHelper() {
         return RECIPE_HELPER;
     }
-
+    
     public static me.shedaniel.rei.api.ConfigManager getConfigManager() {
         return configManager;
     }
-
+    
     public static ItemRegistry getItemRegisterer() {
         return ITEM_REGISTRY;
     }
-
+    
     public static PluginDisabler getPluginDisabler() {
         return PLUGIN_DISABLER;
     }
-
+    
     public static DisplayHelper getDisplayHelper() {
         return DISPLAY_HELPER;
     }
-
+    
     public static REIPluginEntry registerPlugin(Identifier identifier, REIPluginEntry plugin) {
         plugins.put(identifier, plugin);
         RoughlyEnoughItemsCore.LOGGER.info("[REI] Registered plugin %s from %s", identifier.toString(), plugin.getClass().getSimpleName());
         plugin.onFirstLoad(getPluginDisabler());
         return plugin;
     }
-
+    
     public static List<REIPluginEntry> getPlugins() {
         return new LinkedList<>(plugins.values());
     }
-
+    
     public static Optional<Identifier> getPluginIdentifier(REIPluginEntry plugin) {
         for(Identifier identifier : plugins.keySet())
             if (identifier != null && plugins.get(identifier).equals(plugin))
                 return Optional.of(identifier);
         return Optional.empty();
     }
-
+    
     public static boolean hasPermissionToUsePackets() {
-        return hasOperatorPermission() && canUsePackets();
+        try {
+            MinecraftClient.getInstance().getNetworkHandler().getCommandSource().hasPermissionLevel(0);
+            return hasOperatorPermission() && canUsePackets();
+        } catch (NullPointerException e) {
+            return true;
+        }
     }
-
+    
     public static boolean hasOperatorPermission() {
-        return MinecraftClient.getInstance().getNetworkHandler().getCommandSource().hasPermissionLevel(1);
+        try {
+            return MinecraftClient.getInstance().getNetworkHandler().getCommandSource().hasPermissionLevel(1);
+        } catch (NullPointerException e) {
+            return true;
+        }
     }
-
+    
     public static boolean canUsePackets() {
         return ClientSidePacketRegistry.INSTANCE.canServerReceive(RoughlyEnoughItemsNetwork.CREATE_ITEMS_PACKET) && ClientSidePacketRegistry.INSTANCE.canServerReceive(RoughlyEnoughItemsNetwork.DELETE_ITEMS_PACKET);
     }
-
+    
     @Override
     public void onInitializeClient() {
         configManager = new ConfigManagerImpl();
-
+        
         registerClothEvents();
         discoverOldPlugins();
         discoverPluginEntries();
     }
-
+    
+    @SuppressWarnings("deprecation")
     private void discoverPluginEntries() {
         for(REIPluginEntry reiPlugin : FabricLoader.getInstance().getEntrypoints("rei_plugins", REIPluginEntry.class)) {
             try {
@@ -125,7 +135,8 @@ public class RoughlyEnoughItemsCore implements ClientModInitializer {
             }
         }
     }
-
+    
+    @SuppressWarnings("deprecation")
     private void discoverOldPlugins() {
         List<Pair<Identifier, String>> list = Lists.newArrayList();
         for(ModMetadata metadata : FabricLoader.getInstance().getAllMods().stream().map(ModContainer::getMetadata).filter(metadata -> metadata.containsCustomElement("roughlyenoughitems:plugins")).collect(Collectors.toList())) {
@@ -164,7 +175,7 @@ public class RoughlyEnoughItemsCore implements ClientModInitializer {
             }
         }
     }
-
+    
     private void loadPluginFromJsonObject(List<Pair<Identifier, String>> list, ModMetadata modMetadata, JsonObject object) {
         String namespace = modMetadata.getId();
         if (object.has("namespace"))
@@ -173,7 +184,7 @@ public class RoughlyEnoughItemsCore implements ClientModInitializer {
         String className = object.get("class").getAsString();
         list.add(new Pair<>(new Identifier(namespace, id), className));
     }
-
+    
     private void registerClothEvents() {
         ClothClientHooks.SYNC_RECIPES.register((minecraftClient, recipeManager, synchronizeRecipesS2CPacket) -> {
             ((RecipeHelperImpl) RoughlyEnoughItemsCore.getRecipeHelper()).recipesLoaded(recipeManager);
@@ -232,7 +243,7 @@ public class RoughlyEnoughItemsCore implements ClientModInitializer {
                 ScreenHelper.getLastOverlay().lateRender(i, i1, v);
         });
         ClothClientHooks.SCREEN_KEY_PRESSED.register((minecraftClient, screen, i, i1, i2) -> {
-            if (screen.getFocused() != null && screen.getFocused() instanceof TextFieldWidget || (screen.getFocused() instanceof RecipeBookGui && ((RecipeBookGuiHooks)screen.getFocused()).rei_getSearchField() != null && ((RecipeBookGuiHooks)screen.getFocused()).rei_getSearchField().isFocused()))
+            if (screen.getFocused() != null && screen.getFocused() instanceof TextFieldWidget || (screen.getFocused() instanceof RecipeBookGui && ((RecipeBookGuiHooks) screen.getFocused()).rei_getSearchField() != null && ((RecipeBookGuiHooks) screen.getFocused()).rei_getSearchField().isFocused()))
                 return ActionResult.PASS;
             if (screen instanceof ContainerScreen)
                 if (ScreenHelper.getLastOverlay().keyPressed(i, i1, i2))
@@ -240,5 +251,5 @@ public class RoughlyEnoughItemsCore implements ClientModInitializer {
             return ActionResult.PASS;
         });
     }
-
+    
 }
diff --git a/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsNetwork.java b/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsNetwork.java
index 63b7765e2..b2c444ec1 100644
--- a/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsNetwork.java
+++ b/src/main/java/me/shedaniel/rei/RoughlyEnoughItemsNetwork.java
@@ -8,12 +8,12 @@ package me.shedaniel.rei;
 import me.shedaniel.rei.gui.widget.ItemListOverlay;
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.fabric.api.network.ServerSidePacketRegistry;
+import net.minecraft.ChatFormat;
 import net.minecraft.client.resource.language.I18n;
 import net.minecraft.item.ItemStack;
+import net.minecraft.network.chat.TextComponent;
+import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.server.network.ServerPlayerEntity;
-import net.minecraft.text.StringTextComponent;
-import net.minecraft.text.TextFormat;
-import net.minecraft.text.TranslatableTextComponent;
 import net.minecraft.util.Identifier;
 
 public class RoughlyEnoughItemsNetwork implements ModInitializer {
@@ -26,7 +26,7 @@ public class RoughlyEnoughItemsNetwork implements ModInitializer {
         ServerSidePacketRegistry.INSTANCE.register(DELETE_ITEMS_PACKET, (packetContext, packetByteBuf) -> {
             ServerPlayerEntity player = (ServerPlayerEntity) packetContext.getPlayer();
             if (player.getServer().getPermissionLevel(player.getGameProfile()) < player.getServer().getOpPermissionLevel()) {
-                player.addChatMessage(new TranslatableTextComponent("text.rei.no_permission_cheat").applyFormat(TextFormat.RED), false);
+                player.addChatMessage(new TranslatableComponent("text.rei.no_permission_cheat").applyFormat(ChatFormat.RED), false);
                 return;
             }
             if (!player.inventory.getCursorStack().isEmpty())
@@ -35,14 +35,14 @@ public class RoughlyEnoughItemsNetwork implements ModInitializer {
         ServerSidePacketRegistry.INSTANCE.register(CREATE_ITEMS_PACKET, (packetContext, packetByteBuf) -> {
             ServerPlayerEntity player = (ServerPlayerEntity) packetContext.getPlayer();
             if (player.getServer().getPermissionLevel(player.getGameProfile()) < player.getServer().getOpPermissionLevel()) {
-                player.addChatMessage(new TranslatableTextComponent("text.rei.no_permission_cheat").applyFormat(TextFormat.RED), false);
+                player.addChatMessage(new TranslatableComponent("text.rei.no_permission_cheat").applyFormat(ChatFormat.RED), false);
                 return;
             }
             ItemStack stack = packetByteBuf.readItemStack();
             if (player.inventory.insertStack(stack.copy()))
-                player.addChatMessage(new StringTextComponent(I18n.translate("text.rei.cheat_items").replaceAll("\\{item_name}", ItemListOverlay.tryGetItemStackName(stack.copy())).replaceAll("\\{item_count}", stack.copy().getAmount() + "").replaceAll("\\{player_name}", player.getEntityName())), false);
+                player.addChatMessage(new TextComponent(I18n.translate("text.rei.cheat_items").replaceAll("\\{item_name}", ItemListOverlay.tryGetItemStackName(stack.copy())).replaceAll("\\{item_count}", stack.copy().getAmount() + "").replaceAll("\\{player_name}", player.getEntityName())), false);
             else
-                player.addChatMessage(new TranslatableTextComponent("text.rei.failed_cheat_items"), false);
+                player.addChatMessage(new TranslatableComponent("text.rei.failed_cheat_items"), false);
         });
     }
     
diff --git a/src/main/java/me/shedaniel/rei/api/DisplayHelper.java b/src/main/java/me/shedaniel/rei/api/DisplayHelper.java
index 9fea85839..5cabf4ad1 100644
--- a/src/main/java/me/shedaniel/rei/api/DisplayHelper.java
+++ b/src/main/java/me/shedaniel/rei/api/DisplayHelper.java
@@ -56,11 +56,6 @@ public interface DisplayHelper {
     
     public static interface DisplayBoundsHandler<T> {
         /**
-         * An empty rectangle
-         */
-        public static final Rectangle EMPTY = new Rectangle();
-        
-        /**
          * Gets the base supported class for the bounds handler
          *
          * @return the base class
diff --git a/src/main/java/me/shedaniel/rei/client/BaseBoundsHandlerImpl.java b/src/main/java/me/shedaniel/rei/client/BaseBoundsHandlerImpl.java
index 8732dfda3..ca2720e8f 100644
--- a/src/main/java/me/shedaniel/rei/client/BaseBoundsHandlerImpl.java
+++ b/src/main/java/me/shedaniel/rei/client/BaseBoundsHandlerImpl.java
@@ -43,12 +43,12 @@ public class BaseBoundsHandlerImpl implements BaseBoundsHandler {
     
     @Override
     public Rectangle getLeftBounds(Screen screen) {
-        return DisplayHelper.DisplayBoundsHandler.EMPTY;
+        return new Rectangle();
     }
     
     @Override
     public Rectangle getRightBounds(Screen screen) {
-        return DisplayHelper.DisplayBoundsHandler.EMPTY;
+        return new Rectangle();
     }
     
     @Override
diff --git a/src/main/java/me/shedaniel/rei/client/ClientHelperImpl.java b/src/main/java/me/shedaniel/rei/client/ClientHelperImpl.java
index b127a2461..207723944 100644
--- a/src/main/java/me/shedaniel/rei/client/ClientHelperImpl.java
+++ b/src/main/java/me/shedaniel/rei/client/ClientHelperImpl.java
@@ -30,7 +30,7 @@ import net.minecraft.client.util.InputUtil;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.Items;
-import net.minecraft.text.TranslatableTextComponent;
+import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.util.DefaultedList;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.PacketByteBuf;
@@ -154,7 +154,7 @@ public class ClientHelperImpl implements ClientHelper, ClientModInitializer {
             String madeUpCommand = og.replaceAll("\\{player_name}", MinecraftClient.getInstance().player.getEntityName()).replaceAll("\\{item_name}", identifier.getPath()).replaceAll("\\{item_identifier}", identifier.toString()).replaceAll("\\{nbt}", tagMessage).replaceAll("\\{count}", String.valueOf(cheatedStack.getAmount()));
             if (madeUpCommand.length() > 256) {
                 madeUpCommand = og.replaceAll("\\{player_name}", MinecraftClient.getInstance().player.getEntityName()).replaceAll("\\{item_name}", identifier.getPath()).replaceAll("\\{item_identifier}", identifier.toString()).replaceAll("\\{nbt}", "").replaceAll("\\{count}", String.valueOf(cheatedStack.getAmount()));
-                MinecraftClient.getInstance().player.addChatMessage(new TranslatableTextComponent("text.rei.too_long_nbt"), false);
+                MinecraftClient.getInstance().player.addChatMessage(new TranslatableComponent("text.rei.too_long_nbt"), false);
             }
             MinecraftClient.getInstance().player.sendChatMessage(madeUpCommand);
             return true;
diff --git a/src/main/java/me/shedaniel/rei/client/ConfigManagerImpl.java b/src/main/java/me/shedaniel/rei/client/ConfigManagerImpl.java
index d6ec4e15c..741bd9fc4 100644
--- a/src/main/java/me/shedaniel/rei/client/ConfigManagerImpl.java
+++ b/src/main/java/me/shedaniel/rei/client/ConfigManagerImpl.java
@@ -15,7 +15,7 @@ import net.fabricmc.loader.api.FabricLoader;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.Screen;
 import net.minecraft.client.resource.language.I18n;
-import net.minecraft.text.StringTextComponent;
+import net.minecraft.network.chat.TextComponent;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -143,7 +143,7 @@ public class ConfigManagerImpl implements ConfigManager {
                 e.printStackTrace();
             }
         }
-        return new Screen(new StringTextComponent("")) {
+        return new Screen(new TextComponent("")) {
             @Override
             public void render(int int_1, int int_2, float float_1) {
                 renderDirtBackground(0);
diff --git a/src/main/java/me/shedaniel/rei/client/DisplayHelperImpl.java b/src/main/java/me/shedaniel/rei/client/DisplayHelperImpl.java
index 93419651e..4cac6a11f 100644
--- a/src/main/java/me/shedaniel/rei/client/DisplayHelperImpl.java
+++ b/src/main/java/me/shedaniel/rei/client/DisplayHelperImpl.java
@@ -28,12 +28,12 @@ public class DisplayHelperImpl implements DisplayHelper {
         
         @Override
         public Rectangle getLeftBounds(Object screen) {
-            return DisplayBoundsHandler.EMPTY;
+            return new Rectangle();
         }
         
         @Override
         public Rectangle getRightBounds(Object screen) {
-            return DisplayBoundsHandler.EMPTY;
+            return new Rectangle();
         }
         
         @Override
diff --git a/src/main/java/me/shedaniel/rei/client/ItemRegistryImpl.java b/src/main/java/me/shedaniel/rei/client/ItemRegistryImpl.java
index 5d05b8570..951e6cccc 100644
--- a/src/main/java/me/shedaniel/rei/client/ItemRegistryImpl.java
+++ b/src/main/java/me/shedaniel/rei/client/ItemRegistryImpl.java
@@ -26,6 +26,7 @@ public class ItemRegistryImpl implements ItemRegistry {
         return Collections.unmodifiableList(itemList);
     }
     
+    @SuppressWarnings("deprecation")
     @Override
     public List<ItemStack> getModifiableItemList() {
         return itemList;
diff --git a/src/main/java/me/shedaniel/rei/gui/ContainerScreenOverlay.java b/src/main/java/me/shedaniel/rei/gui/ContainerScreenOverlay.java
index 3cc1e5037..e90fef7c1 100644
--- a/src/main/java/me/shedaniel/rei/gui/ContainerScreenOverlay.java
+++ b/src/main/java/me/shedaniel/rei/gui/ContainerScreenOverlay.java
@@ -16,17 +16,17 @@ import me.shedaniel.rei.client.Weather;
 import me.shedaniel.rei.gui.widget.*;
 import me.shedaniel.rei.listeners.ContainerScreenHooks;
 import net.minecraft.client.MinecraftClient;
-import net.minecraft.client.audio.PositionedSoundInstance;
 import net.minecraft.client.font.TextRenderer;
 import net.minecraft.client.gui.*;
 import net.minecraft.client.render.GuiLighting;
 import net.minecraft.client.resource.language.I18n;
+import net.minecraft.client.sound.PositionedSoundInstance;
 import net.minecraft.client.util.Window;
 import net.minecraft.client.world.ClientWorld;
 import net.minecraft.container.Slot;
 import net.minecraft.item.ItemStack;
+import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.sound.SoundEvents;
-import net.minecraft.text.TranslatableTextComponent;
 import net.minecraft.util.ActionResult;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.math.MathHelper;
@@ -69,7 +69,7 @@ public class ContainerScreenOverlay extends AbstractParentElement implements Dra
         widgets.add(itemListOverlay = new ItemListOverlay(page));
         itemListOverlay.updateList(boundsHandler, boundsHandler.getItemListArea(rectangle), page, searchTerm, false);
         
-        widgets.add(buttonLeft = new ButtonWidget(rectangle.x, rectangle.y + 5, 16, 16, new TranslatableTextComponent("text.rei.left_arrow")) {
+        widgets.add(buttonLeft = new ButtonWidget(rectangle.x, rectangle.y + 5, 16, 16, new TranslatableComponent("text.rei.left_arrow")) {
             @Override
             public void onPressed() {
                 page--;
@@ -88,7 +88,7 @@ public class ContainerScreenOverlay extends AbstractParentElement implements Dra
                 return false;
             }
         });
-        widgets.add(buttonRight = new ButtonWidget(rectangle.x + rectangle.width - 18, rectangle.y + 5, 16, 16, new TranslatableTextComponent("text.rei.right_arrow")) {
+        widgets.add(buttonRight = new ButtonWidget(rectangle.x + rectangle.width - 18, rectangle.y + 5, 16, 16, new TranslatableComponent("text.rei.right_arrow")) {
             @Override
             public void onPressed() {
                 page++;
diff --git a/src/main/java/me/shedaniel/rei/gui/PreRecipeViewingScreen.java b/src/main/java/me/shedaniel/rei/gui/PreRecipeViewingScreen.java
index 54560ed89..7509524c6 100644
--- a/src/main/java/me/shedaniel/rei/gui/PreRecipeViewingScreen.java
+++ b/src/main/java/me/shedaniel/rei/gui/PreRecipeViewingScreen.java
@@ -16,13 +16,13 @@ import me.shedaniel.rei.gui.widget.ButtonWidget;
 import me.shedaniel.rei.gui.widget.HighlightableWidget;
 import me.shedaniel.rei.gui.widget.Widget;
 import net.minecraft.client.MinecraftClient;
-import net.minecraft.client.audio.PositionedSoundInstance;
 import net.minecraft.client.gui.Element;
 import net.minecraft.client.gui.Screen;
 import net.minecraft.client.render.GuiLighting;
 import net.minecraft.client.resource.language.I18n;
+import net.minecraft.client.sound.PositionedSoundInstance;
+import net.minecraft.network.chat.TextComponent;
 import net.minecraft.sound.SoundEvents;
-import net.minecraft.text.TranslatableTextComponent;
 import net.minecraft.util.Identifier;
 
 import java.awt.*;
@@ -39,7 +39,7 @@ public class PreRecipeViewingScreen extends Screen {
     private Map<RecipeCategory, List<RecipeDisplay>> map;
     
     public PreRecipeViewingScreen(Map<RecipeCategory, List<RecipeDisplay>> map) {
-        super(new TranslatableTextComponent("text.rei.recipe_screen_type.selection"));
+        super(new TextComponent("text.rei.recipe_screen_type.selection"));
         this.widgets = Lists.newArrayList();
         this.original = true;
         this.map = map;
diff --git a/src/main/java/me/shedaniel/rei/gui/RecipeViewingScreen.java b/src/main/java/me/shedaniel/rei/gui/RecipeViewingScreen.java
index d067d4378..de66c2e17 100644
--- a/src/main/java/me/shedaniel/rei/gui/RecipeViewingScreen.java
+++ b/src/main/java/me/shedaniel/rei/gui/RecipeViewingScreen.java
@@ -13,16 +13,16 @@ import me.shedaniel.rei.api.*;
 import me.shedaniel.rei.client.ScreenHelper;
 import me.shedaniel.rei.gui.widget.*;
 import net.minecraft.client.MinecraftClient;
-import net.minecraft.client.audio.PositionedSoundInstance;
 import net.minecraft.client.gui.ContainerScreen;
 import net.minecraft.client.gui.Element;
 import net.minecraft.client.gui.Screen;
 import net.minecraft.client.render.GuiLighting;
 import net.minecraft.client.resource.language.I18n;
+import net.minecraft.client.sound.PositionedSoundInstance;
 import net.minecraft.client.util.Window;
+import net.minecraft.network.chat.TextComponent;
+import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.sound.SoundEvents;
-import net.minecraft.text.StringTextComponent;
-import net.minecraft.text.TranslatableTextComponent;
 import net.minecraft.util.Identifier;
 import net.minecraft.util.math.MathHelper;
 
@@ -52,7 +52,7 @@ public class RecipeViewingScreen extends Screen {
     private ButtonWidget recipeBack, recipeNext, categoryBack, categoryNext;
     
     public RecipeViewingScreen(Map<RecipeCategory, List<RecipeDisplay>> categoriesMap) {
-        super(new StringTextComponent(""));
+        super(new TextComponent(""));
         this.categoryPages = 0;
         this.widgets = Lists.newArrayList();
         Window window = MinecraftClient.getInstance().window;
@@ -129,7 +129,7 @@ public class RecipeViewingScreen extends Screen {
         this.bounds = new Rectangle(width / 2 - guiWidth / 2, height / 2 - guiHeight / 2, guiWidth, guiHeight);
         this.page = MathHelper.clamp(page, 0, getTotalPages(selectedCategory) - 1);
         
-        widgets.add(categoryBack = new ButtonWidget((int) bounds.getX() + 5, (int) bounds.getY() + 5, 12, 12, new TranslatableTextComponent("text.rei.left_arrow")) {
+        widgets.add(categoryBack = new ButtonWidget((int) bounds.getX() + 5, (int) bounds.getY() + 5, 12, 12, new TranslatableComponent("text.rei.left_arrow")) {
             @Override
             public void onPressed() {
                 int currentCategoryIndex = categories.indexOf(selectedCategory);
@@ -165,7 +165,7 @@ public class RecipeViewingScreen extends Screen {
                 ClientHelper.getInstance().executeViewAllRecipesKeyBind();
             }
         });
-        widgets.add(categoryNext = new ButtonWidget((int) bounds.getMaxX() - 17, (int) bounds.getY() + 5, 12, 12, new TranslatableTextComponent("text.rei.right_arrow")) {
+        widgets.add(categoryNext = new ButtonWidget((int) bounds.getMaxX() - 17, (int) bounds.getY() + 5, 12, 12, new TranslatableComponent("text.rei.right_arrow")) {
             @Override
             public void onPressed() {
                 int currentCategoryIndex = categories.indexOf(selectedCategory);
@@ -186,7 +186,7 @@ public class RecipeViewingScreen extends Screen {
         categoryBack.enabled = categories.size() > 1;
         categoryNext.enabled = categories.size() > 1;
         
-        widgets.add(recipeBack = new ButtonWidget((int) bounds.getX() + 5, (int) bounds.getY() + 21, 12, 12, new TranslatableTextComponent("text.rei.left_arrow")) {
+        widgets.add(recipeBack = new ButtonWidget((int) bounds.getX() + 5, (int) bounds.getY() + 21, 12, 12, new TranslatableComponent("text.rei.left_arrow")) {
             @Override
             public void onPressed() {
                 page--;
@@ -219,7 +219,7 @@ public class RecipeViewingScreen extends Screen {
                 RecipeViewingScreen.this.init();
             }
         });
-        widgets.add(recipeNext = new ButtonWidget((int) bounds.getMaxX() - 17, (int) bounds.getY() + 21, 12, 12, new TranslatableTextComponent("text.rei.right_arrow")) {
+        widgets.add(recipeNext = new ButtonWidget((int) bounds.getMaxX() - 17, (int) bounds.getY() + 21, 12, 12, new TranslatableComponent("text.rei.right_arrow")) {
             @Override
             public void onPressed() {
                 page++;
diff --git a/src/main/java/me/shedaniel/rei/gui/VillagerRecipeViewingScreen.java b/src/main/java/me/shedaniel/rei/gui/VillagerRecipeViewingScreen.java
index 9d04b9168..2cf4990a3 100644
--- a/src/main/java/me/shedaniel/rei/gui/VillagerRecipeViewingScreen.java
+++ b/src/main/java/me/shedaniel/rei/gui/VillagerRecipeViewingScreen.java
@@ -9,19 +9,20 @@ import com.google.common.collect.Lists;
 import com.google.common.collect.Maps;
 import com.mojang.blaze3d.platform.GlStateManager;
 import com.zeitheron.hammercore.client.utils.Scissors;
+import me.shedaniel.cloth.api.ClientUtils;
 import me.shedaniel.rei.api.*;
 import me.shedaniel.rei.client.ScreenHelper;
 import me.shedaniel.rei.gui.renderables.RecipeRenderer;
 import me.shedaniel.rei.gui.widget.*;
 import net.minecraft.client.MinecraftClient;
-import net.minecraft.client.audio.PositionedSoundInstance;
 import net.minecraft.client.gui.Element;
 import net.minecraft.client.gui.Screen;
 import net.minecraft.client.render.GuiLighting;
 import net.minecraft.client.resource.language.I18n;
+import net.minecraft.client.sound.PositionedSoundInstance;
+import net.minecraft.network.chat.TextComponent;
+import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.sound.SoundEvents;
-import net.minecraft.text.StringTextComponent;
-import net.minecraft.text.TranslatableTextComponent;
 import net.minecraft.util.math.MathHelper;
 import org.lwjgl.BufferUtils;
 import org.lwjgl.glfw.GLFW;
@@ -51,7 +52,7 @@ public class VillagerRecipeViewingScreen extends Screen {
     private int tabsPage;
     
     public VillagerRecipeViewingScreen(Map<RecipeCategory, List<RecipeDisplay>> map) {
-        super(new StringTextComponent(""));
+        super(new TextComponent(""));
         this.widgets = Lists.newArrayList();
         this.categoryMap = Maps.newLinkedHashMap();
         this.selectedCategoryIndex = 0;
@@ -140,7 +141,7 @@ public class VillagerRecipeViewingScreen extends Screen {
             }
         }
         ButtonWidget w, w2;
-        this.widgets.add(w = new ButtonWidget(bounds.x + 2, bounds.y - 16, 10, 10, new TranslatableTextComponent("text.rei.left_arrow")) {
+        this.widgets.add(w = new ButtonWidget(bounds.x + 2, bounds.y - 16, 10, 10, new TranslatableComponent("text.rei.left_arrow")) {
             @Override
             public void onPressed() {
                 tabsPage--;
@@ -149,7 +150,7 @@ public class VillagerRecipeViewingScreen extends Screen {
                 VillagerRecipeViewingScreen.this.init();
             }
         });
-        this.widgets.add(w2 = new ButtonWidget(bounds.x + bounds.width - 12, bounds.y - 16, 10, 10, new TranslatableTextComponent("text.rei.right_arrow")) {
+        this.widgets.add(w2 = new ButtonWidget(bounds.x + bounds.width - 12, bounds.y - 16, 10, 10, new TranslatableComponent("text.rei.right_arrow")) {
             @Override
             public void onPressed() {
                 tabsPage++;
@@ -206,6 +207,24 @@ public class VillagerRecipeViewingScreen extends Screen {
             scroll = MathHelper.clamp(scroll, 0, height - scrollListBounds.height + 2);
             return true;
         }
+        for(Element listener : children())
+            if (listener.mouseScrolled(double_1, double_2, double_3))
+                return true;
+        if (bounds.contains(ClientUtils.getMouseLocation())) {
+            if (double_3 < 0 && categoryMap.get(categories.get(selectedCategoryIndex)).size() > 1) {
+                selectedCategoryIndex++;
+