Proposal to Change Creative Buttons Texture

fabric-item-group-api-v1/src/client/java/net/fabricmc/fabric/mixin/itemgroup/client/CreativeInventoryScreenMixin.java

@@ -28,14 +28,21 @@
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+
 import net.minecraft.client.gui.DrawContext;
 import net.minecraft.client.gui.screen.ingame.CreativeInventoryScreen;
 import net.minecraft.client.gui.screen.ingame.CreativeInventoryScreen.CreativeScreenHandler;
 import net.minecraft.client.gui.screen.ingame.HandledScreen;
+import net.minecraft.client.gui.widget.TextFieldWidget;
+import net.minecraft.client.font.TextRenderer;
+import net.minecraft.client.render.RenderLayer;
 import net.minecraft.entity.player.PlayerInventory;
 import net.minecraft.item.ItemGroup;
 import net.minecraft.item.ItemGroups;
 import net.minecraft.text.Text;
+import net.minecraft.util.Identifier;
 
 import net.fabricmc.fabric.api.client.itemgroup.v1.FabricCreativeInventoryScreen;
 import net.fabricmc.fabric.impl.client.itemgroup.FabricCreativeGuiComponents;
@@ -68,11 +75,11 @@ private void updateSelection() {
 		}
 	}
 
-	@Inject(method = "init", at = @At("RETURN"))
+	@Inject(method = "init", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/widget/TextFieldWidget;setEditableColor(I)V", shift = At.Shift.AFTER))
 	private void init(CallbackInfo info) {
 		currentPage = getPage(selectedTab);
 
-		int xpos = x + 170;
+		int xpos = x + 166;
 		int ypos = y + 4;
 
 		CreativeInventoryScreen self = (CreativeInventoryScreen) (Object) this;
@@ -197,4 +204,38 @@ public boolean setSelectedItemGroup(ItemGroup itemGroup) {
 		setSelectedTab(itemGroup);
 		return true;
 	}
+
+	@Unique
+	private boolean displaySearchBarModification = false;
+
+	@Inject(method = "setSelectedTab", at = @At("TAIL"))
+	void searchBarBackgroundDeterminant(ItemGroup group, CallbackInfo ci) {
+		displaySearchBarModification = (group.getType() == ItemGroup.Type.SEARCH) && hasAdditionalPages();
+	}
+
+	@Unique
+	private static final Identifier CREATIVE_SEARCH_TAB = ItemGroup.getTabTextureId("item_search");
+
+	@Inject(method = "drawBackground", at = @At("TAIL"))
+	public void renderSearchBar(DrawContext context, float delta, int mouseX, int mouseY, CallbackInfo ci) {
+		if (displaySearchBarModification) {
+			context.drawTexture(RenderLayer::getGuiTextured, CREATIVE_SEARCH_TAB, x + 161, y + 4, 166, 4, 5, 12, 256, 256);
+		}
+	}
+
+	@WrapOperation(
+			method = "init",
+			at = @At(
+					value = "NEW",
+					target = "net/minecraft/client/gui/widget/TextFieldWidget"
+			)
+	)
+	private TextFieldWidget shortenSearchBarTextField(TextRenderer textRenderer, int x, int y, int width, int height, Text text, Operation<TextFieldWidget> original) {
+		// Modify only the available text space width to be 5 pixels shorter
+		if (hasAdditionalPages()) {
+			return original.call(textRenderer, x, y, width - 5, height, text);
+		} else {
+			return original.call(textRenderer, x, y, width, height, text);
+		}
+	}
 }