scrollable thingy

src/main/java/org/saturnclient/saturnclient/SaturnClient.java

@@ -1,6 +1,7 @@
 package org.saturnclient.saturnclient;
 
 import net.fabricmc.api.ModInitializer;
+import net.minecraft.client.font.TextRenderer;
 import net.minecraft.util.math.ColorHelper;
 
 import org.saturnclient.saturnclient.cloaks.Cloaks;
@@ -17,6 +18,7 @@ public class SaturnClient implements ModInitializer {
     public static final String MOD_ID = "saturnclient";
     public static final Logger LOGGER = LoggerFactory.getLogger(MOD_ID);
     public static int COLOR = ColorHelper.getArgb(255, 251, 60, 79);
+    public static TextRenderer textRenderer = null;
 
     @Override
     public void onInitialize() {

src/main/java/org/saturnclient/saturnclient/menus/MainMenu.java

@@ -1,5 +1,6 @@
 package org.saturnclient.saturnclient.menus;
 
+import org.saturnclient.saturnclient.SaturnClient;
 import org.saturnclient.ui.SaturnUi;
 import org.saturnclient.ui.Textures;
 import org.saturnclient.ui.animations.FadeIn;
@@ -8,6 +9,7 @@ import org.saturnclient.ui.widgets.SaturnButton;
 import org.saturnclient.ui.widgets.SaturnImageButton;
 import org.saturnclient.ui.widgets.SaturnImage;
 
+import net.minecraft.client.MinecraftClient;
 import net.minecraft.text.Text;
 
 public class MainMenu extends SaturnUi {
@@ -17,6 +19,8 @@ public class MainMenu extends SaturnUi {
 
     @Override
     protected void init() {
+        SaturnClient.textRenderer = MinecraftClient.getInstance().textRenderer;
+
         int buttonWidth = 96;
         int buttonHeight = 25;
 

src/main/java/org/saturnclient/saturnclient/menus/SettingsMenu.java

@@ -4,6 +4,7 @@ import org.saturnclient.ui.SaturnUi;
 import org.saturnclient.ui.Textures;
 import org.saturnclient.ui.animations.FadeIn;
 import org.saturnclient.ui.widgets.SaturnClickableImage;
+import org.saturnclient.ui.widgets.SaturnScroll;
 import org.saturnclient.ui.widgets.SaturnSprite;
 
 import net.minecraft.text.Text;
@@ -66,12 +67,14 @@ public class SettingsMenu extends SaturnUi {
                 .setHeight(tabSize)
                 .setAnimations(new FadeIn(1)));
 
-        int modX = modsX + 15;
-        int modY = modsY + 10;
+        int modX = 0;
+        int modY = 0;
         int col = 0;
 
-        for (int i = 0; i < 20; i++) {
-            draw(new SaturnClickableImage(Textures.MOD, (m) -> {
+        SaturnScroll modsScroll = new SaturnScroll();
+
+        for (int i = 0; i < 30; i++) {
+            modsScroll.draw(new SaturnClickableImage(Textures.MOD, (m) -> {
             })
                     .setX(modX)
                     .setY(modY)
@@ -81,12 +84,14 @@ public class SettingsMenu extends SaturnUi {
             col++;
 
             if (col < 3) {
-                modX += 86 + 15;
+                modX += 86 + 18;
             } else {
-                modX = modsX + 15;
+                modX = 0;
                 modY += 20 + 20;
                 col = 0;
             }
         }
+
+        draw(modsScroll.setX(modsX + 17).setY(modsY + 10).setWidth(rectWidth - 17).setHeight(rectHeight - 10));
     }
 }

src/main/java/org/saturnclient/ui/SaturnUi.java

@@ -19,6 +19,7 @@ public class SaturnUi extends Screen {
 
     public void draw(SaturnWidget widget) {
         synchronized (widgets) {
+            widget.init();
             widgets.add(widget);
         }
     }
@@ -63,7 +64,7 @@ public class SaturnUi extends Screen {
                 boolean isMouseInside = widget.x < mouseX && widget.x + widget.width > mouseX
                         && widget.y < mouseY && widget.y + widget.height > mouseY;
                 if (isMouseInside) {
-                    widget.click();
+                    widget.click((int) mouseX, (int) mouseY);
                 }
             }
         }
@@ -88,6 +89,20 @@ public class SaturnUi extends Screen {
         return super.keyPressed(keyCode, scanCode, modifiers);
     }
 
+    @Override
+    public boolean mouseScrolled(double mouseX, double mouseY, double horizontalAmount, double verticalAmount) {
+        for (SaturnWidget widget : new ArrayList<>(widgets)) {
+            boolean isMouseInside = widget.x < mouseX && widget.x + widget.width > mouseX
+                    && widget.y < mouseY && widget.y + widget.height > mouseY;
+
+            if (isMouseInside) {
+                widget.mouseScrolled((int) mouseX, (int) mouseY, horizontalAmount, verticalAmount);
+            }
+        }
+
+        return super.mouseScrolled(mouseX, mouseY, horizontalAmount, verticalAmount);
+    }
+
     private char getCharFromKey(int keyCode, int modifiers) {
         boolean shift = (modifiers & GLFW.GLFW_MOD_SHIFT) != 0;
 

src/main/java/org/saturnclient/ui/SaturnWidget.java

@@ -11,10 +11,13 @@ public class SaturnWidget {
     public SaturnAnimation[] animations = null;
     public boolean visible = true;
 
+    public void init() {
+    }
+
     public void render(DrawContext context, boolean hovering, int mouseX, int mouseY) {
     }
 
-    public void click() {
+    public void click(int mouseX, int mouseY) {
     }
 
     public void keyPressed(int keyCode, int scanCode, int modifiers) {
@@ -23,6 +26,10 @@ public class SaturnWidget {
     public void charTyped(char typedChar) {
     }
 
+    public void mouseScrolled(int mouseX, int mouseY, double horizontalAmount,
+            double verticalAmount) {
+    }
+
     public SaturnWidget setX(int x) {
         this.x = x;
         return this;

src/main/java/org/saturnclient/ui/widgets/SaturnButton.java

@@ -58,7 +58,7 @@ public class SaturnButton extends SaturnWidget {
     }
 
     @Override
-    public void click() {
+    public void click(int mouseX, int mouseY) {
         this.onPress.accept(this);
     }
 }

src/main/java/org/saturnclient/ui/widgets/SaturnClickableImage.java

@@ -36,7 +36,7 @@ public class SaturnClickableImage extends SaturnWidget {
     }
 
     @Override
-    public void click() {
+    public void click(int mouseX, int mouseY) {
         this.onPress.accept(this);
     }
 

src/main/java/org/saturnclient/ui/widgets/SaturnClickableSprite.java

@@ -37,7 +37,7 @@ public class SaturnClickableSprite extends SaturnWidget {
     }
 
     @Override
-    public void click() {
+    public void click(int mouseX, int mouseY) {
         this.onPress.accept(this);
     }
 

src/main/java/org/saturnclient/ui/widgets/SaturnImageButton.java

@@ -40,7 +40,7 @@ public class SaturnImageButton extends SaturnButton {
     }
 
     @Override
-    public void click() {
+    public void click(int mouseX, int mouseY) {
         this.onPress.accept(this);
     }
 

src/main/java/org/saturnclient/ui/widgets/SaturnInputBox.java

@@ -26,7 +26,7 @@ public class SaturnInputBox extends SaturnWidget {
     }
 
     @Override
-    public void click() {
+    public void click(int mouseX, int mouseY) {
         focused = true;
     }
 

src/main/java/org/saturnclient/ui/widgets/SaturnScroll.java

@@ -0,0 +1,89 @@
+package org.saturnclient.ui.widgets;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.saturnclient.ui.SaturnWidget;
+
+import net.minecraft.client.gui.DrawContext;
+
+public class SaturnScroll extends SaturnWidget {
+    private int scroll = 0;
+    private int maxScroll = 0;
+    private List<SaturnWidget> children = new ArrayList<>();
+
+    @Override
+    public void mouseScrolled(int mouseX, int mouseY, double horizontalAmount,
+            double verticalAmount) {
+        if (scroll - verticalAmount <= 0) {
+            scroll = 0;
+        } else if (scroll - verticalAmount >= maxScroll) {
+            scroll = maxScroll;
+        } else {
+            scroll -= verticalAmount;
+        }
+    }
+
+    @Override
+    public void render(DrawContext context, boolean hovering, int mouseX, int mouseY) {
+        context.enableScissor(x, y, x + width, y + height);
+
+        for (SaturnWidget child : children) {
+            int xx = child.x;
+            int yy = child.y;
+
+            child.x += x;
+            child.y += y - scroll;
+
+            boolean isMouseInside = child.x < mouseX && child.x + child.width > mouseX
+                    && child.y < mouseY && child.y + child.height > mouseY;
+
+            if (child.y < y + height && child.y + child.height > y) {
+                child.render(context, isMouseInside, mouseX, mouseY);
+            }
+
+            child.x = xx;
+            child.y = yy;
+        }
+
+        context.disableScissor();
+    }
+
+    @Override
+    public void click(int mouseX, int mouseY) {
+        for (SaturnWidget child : children) {
+            boolean isMouseInside = child.x < mouseX && child.x + child.width > mouseX
+                    && child.y < mouseY && child.y + child.height > mouseY;
+
+            if (isMouseInside) {
+                child.click(mouseX, mouseY);
+                return;
+            }
+        }
+    }
+
+    @Override
+    public void init() {
+        if (isScrollable()) {
+            for (SaturnWidget child : children) {
+                maxScroll = Math.max(maxScroll, child.y - height);
+            }
+        }
+    }
+
+    public void draw(SaturnWidget widget) {
+        synchronized (children) {
+            widget.init();
+            children.add(widget);
+        }
+    }
+
+    public boolean isScrollable() {
+        for (SaturnWidget child : children) {
+            if (child.y + child.height > height) {
+                return true;
+            }
+        }
+        return false;
+    }
+}

src/main/java/org/saturnclient/ui/widgets/SaturnText.java

@@ -1,5 +1,6 @@
 package org.saturnclient.ui.widgets;
 
+import org.saturnclient.saturnclient.SaturnClient;
 import org.saturnclient.ui.SaturnWidget;
 import net.minecraft.client.MinecraftClient;
 import net.minecraft.client.gui.DrawContext;
@@ -10,6 +11,8 @@ public class SaturnText extends SaturnWidget {
 
     public SaturnText(String text) {
         this.text = text;
+        this.width = SaturnClient.textRenderer.getWidth(text);
+        this.height = SaturnClient.textRenderer.fontHeight;
     }
 
     @Override