added NullRenderer

src/main/java/org/betterx/ui/vanilla/LayoutScreen.java

@@ -0,0 +1,70 @@
+package org.betterx.ui.vanilla;
+
+import org.betterx.ui.layout.components.Panel;
+import org.betterx.ui.layout.components.VerticalStack;
+import org.betterx.ui.layout.values.DynamicSize;
+
+import com.mojang.blaze3d.vertex.PoseStack;
+import net.minecraft.client.gui.screens.Screen;
+import net.minecraft.network.chat.Component;
+
+import net.fabricmc.api.EnvType;
+import net.fabricmc.api.Environment;
+
+import org.jetbrains.annotations.Nullable;
+
+@Environment(EnvType.CLIENT)
+public abstract class LayoutScreen extends Screen {
+    public LayoutScreen(Component component) {
+        this(null, component);
+    }
+
+    public LayoutScreen(@Nullable Screen parent, Component component) {
+        super(component);
+        this.parent = parent;
+    }
+
+    @Nullable
+    protected Panel main;
+
+    @Nullable
+    public final Screen parent;
+
+    protected abstract org.betterx.ui.layout.components.Component<?> initContent();
+
+    @Override
+    protected final void init() {
+        super.init();
+        main = new Panel(this.width, this.height);
+        main.setChild(addTitle(initContent()));
+
+        main.calculateLayout();
+        addRenderableWidget(main);
+    }
+
+    protected org.betterx.ui.layout.components.Component<?> addTitle(org.betterx.ui.layout.components.Component<?> content) {
+        VerticalStack rows = new VerticalStack(DynamicSize.relative(1), DynamicSize.relative(1));
+
+        //rows.add(this.title, GridLayout.Alignment.CENTER, this);
+        rows.addSpacer(15);
+        rows.add(content);
+        return rows;
+    }
+
+
+    @Override
+    public void render(PoseStack poseStack, int i, int j, float f) {
+        renderDirtBackground(i);
+        super.render(poseStack, i, j, f);
+    }
+
+    @Override
+    public void onClose() {
+        this.minecraft.setScreen(parent);
+    }
+
+    @Override
+    public boolean isPauseScreen() {
+        return true;
+    }
+}