Add ScrollableList

Author: lowercasebtw

src/main/java/btw/lowercase/optiboxes/screen/DebugScreen.java

@@ -47,11 +47,7 @@ public boolean mouseClicked(@NotNull MouseButtonEvent event, boolean isDoubleCli
     @Override
     public void mouseMoved(double mouseX, double mouseY) {
         for (Gidget gidget : this.gidgets) {
-            if (gidget.isInside(mouseX, mouseY)) {
-                gidget.onMouseEnter(mouseX, mouseY);
-            } else if (gidget.hovered()) {
-                gidget.onMouseLeave(mouseX, mouseY);
-            }
+            gidget.onMouseMove(mouseX, mouseY);
         }
 
         super.mouseMoved(mouseX, mouseY);

src/main/java/btw/lowercase/optiboxes/screen/SkyLayerListScreen.java

@@ -29,7 +29,7 @@ protected void init() {
             this.gidgets.add(new SimpleButton(
                     Component.literal(index + " - " + skyLayer.source()),
                     (this.width / 2) - (SimpleButton.DEFAULT_WIDTH / 2),
-                    36 + ((SimpleButton.DEFAULT_HEIGHT + 8) * index),
+                    36 + ((SimpleButton.DEFAULT_HEIGHT + SimpleButton.DEFAULT_PADDING) * index),
                     (button) -> this.minecraft.setScreen(new SkyLayerInfoScreen(this, skyLayer, cidx))
             ));
             index++;

src/main/java/btw/lowercase/optiboxes/screen/SkyboxListScreen.java

@@ -1,16 +1,20 @@
 package btw.lowercase.optiboxes.screen;
 
+import btw.lowercase.optiboxes.screen.widget.Gidget;
+import btw.lowercase.optiboxes.screen.widget.ScrollableList;
 import btw.lowercase.optiboxes.screen.widget.SimpleButton;
 import btw.lowercase.optiboxes.screen.widget.Text;
 import btw.lowercase.optiboxes.skybox.OptiFineSkybox;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.CommonComponents;
 import net.minecraft.network.chat.Component;
 
+import java.util.ArrayList;
 import java.util.List;
 
 public class SkyboxListScreen extends DebugScreen {
     private final List<OptiFineSkybox> skyboxes;
+    private ScrollableList scrollableList;
 
     public SkyboxListScreen(Screen parent, List<OptiFineSkybox> skyboxes) {
         super(Component.literal(skyboxes.isEmpty() ? "No skies enabled..." : skyboxes.size() + " Total Active Skyboxes"), parent);
@@ -24,16 +28,18 @@ protected void init() {
         // TODO: isActive | button color
         this.gidgets.add(new Text.Builder(this.title, this.width / 2, 12).centered().build(this.font));
 
+        List<Gidget> scrollableListGidgets = new ArrayList<>();
         int index = 0;
         for (OptiFineSkybox skybox : this.skyboxes) {
-            this.gidgets.add(new SimpleButton(
+            scrollableListGidgets.add(new SimpleButton(
                     Component.literal(skybox.getWorldResourceKey().identifier().toString()),
                     (this.width / 2) - (SimpleButton.DEFAULT_WIDTH / 2),
-                    30 + ((SimpleButton.DEFAULT_HEIGHT + 8) * index),
+                    30 + ((SimpleButton.DEFAULT_HEIGHT + SimpleButton.DEFAULT_PADDING) * index),
                     (button) -> this.minecraft.setScreen(new SkyLayerListScreen(this, skybox))
             ));
             index++;
         }
+        this.gidgets.add(new ScrollableList(scrollableListGidgets, 0, 16, this.width, this.height - 32));
 
         this.gidgets.add(new SimpleButton(
                 CommonComponents.GUI_DONE,

src/main/java/btw/lowercase/optiboxes/screen/widget/Gidget.java

@@ -4,10 +4,10 @@
 import net.minecraft.util.ARGB;
 
 public abstract class Gidget {
-    private final int x;
-    private final int y;
-    private final int width;
-    private final int height;
+    private int x;
+    private int y;
+    private int width;
+    private int height;
     private boolean hovered = false;
 
     public Gidget(int x, int y, int width, int height) {
@@ -24,11 +24,7 @@ public void renderBackground(GuiGraphics guiGraphics) {
         guiGraphics.fill(this.x(), this.y(), this.x() + this.width(), this.y() + this.height(), backgroundColor);
     }
 
-    public void onMouseEnter(double mouseX, double mouseY) {
-        this.hovered = this.isInside(mouseX, mouseY);
-    }
-
-    public void onMouseLeave(double mouseX, double mouseY) {
+    public void onMouseMove(double mouseX, double mouseY) {
         this.hovered = this.isInside(mouseX, mouseY);
     }
 
@@ -39,6 +35,16 @@ public boolean isInside(double x, double y) {
         return (x >= this.x && x <= this.x + this.width) && (y >= this.y && y <= this.y + this.height);
     }
 
+    public void reposition(int x, int y) {
+        this.x = x;
+        this.y = y;
+    }
+
+    public void resize(int width, int height) {
+        this.width = width;
+        this.height = height;
+    }
+
     public int x() {
         return this.x;
     }

src/main/java/btw/lowercase/optiboxes/screen/widget/ScrollableList.java

@@ -0,0 +1,51 @@
+package btw.lowercase.optiboxes.screen.widget;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+import net.minecraft.client.gui.GuiGraphics;
+
+import java.util.List;
+
+public class ScrollableList extends Gidget {
+    private final List<Gidget> gidgets;
+
+    public ScrollableList(List<Gidget> gidgets, int x, int y, int width, int height) {
+        super(x, y, width, height);
+        this.gidgets = gidgets;
+        for (Gidget gidget : this.gidgets) {
+            gidget.reposition(this.x() + gidget.x(), this.y() + gidget.y());
+        }
+    }
+
+    @Override
+    public void render(GuiGraphics guiGraphics, int mouseX, int mouseY) {
+        this.renderBackground(guiGraphics);
+        RenderSystem.enableScissorForRenderTypeDraws(this.x(), this.y(), this.width(), this.height());
+        for (Gidget gidget : this.gidgets) {
+            gidget.render(guiGraphics, mouseX, mouseY);
+        }
+        RenderSystem.disableScissorForRenderTypeDraws();
+    }
+
+    @Override
+    public void renderBackground(GuiGraphics guiGraphics) {
+
+    }
+
+    @Override
+    public void onMouseMove(double mouseX, double mouseY) {
+        super.onMouseMove(mouseX, mouseY);
+        for (Gidget gidget : this.gidgets) {
+            gidget.onMouseMove(mouseX, mouseY);
+        }
+    }
+
+    @Override
+    public void onMouseClicked(double mouseX, double mouseY) {
+        super.onMouseClicked(mouseX, mouseY);
+        for (Gidget gidget : this.gidgets) {
+            if (gidget.isInside(mouseX, mouseY)) {
+                gidget.onMouseClicked(mouseX, mouseY);
+            }
+        }
+    }
+}

src/main/java/btw/lowercase/optiboxes/screen/widget/SimpleButton.java

@@ -13,6 +13,7 @@
 public class SimpleButton extends Gidget implements TextHolder {
     public static final int DEFAULT_WIDTH = 200;
     public static final int DEFAULT_HEIGHT = 20;
+    public static final int DEFAULT_PADDING = 8;
 
     private final Text text;
     private final Consumer<? super SimpleButton> onClick;
@@ -22,6 +23,7 @@ public SimpleButton(Component text, int x, int y, Consumer<? super SimpleButton>
         this.text = new Text.Builder(text, this.x() + (this.width() / 2), this.y() + (this.height() / 2))
                 .positioned(Text.Positioned.BOTH)
                 .build(Minecraft.getInstance().font);
+        this.resize(Math.max(this.text.width() + DEFAULT_PADDING, DEFAULT_WIDTH), this.height());
         this.onClick = onClick;
     }
 
@@ -37,6 +39,12 @@ public void onMouseClicked(double mouseX, double mouseY) {
         this.onClick.accept(this);
     }
 
+    @Override
+    public void reposition(int x, int y) {
+        super.reposition(x, y);
+        this.text.reposition(this.x() + (this.width() / 2), this.y() + (this.height() / 2));
+    }
+
     @Override
     public Component getText() {
         return this.text.getText();