From f605ae7f82f31189be69e8b5da20dbd58bb5489e Mon Sep 17 00:00:00 2001
From: Basique <basiqueevangelist@yandex.ru>
Date: Wed, 4 Sep 2024 17:26:44 +0300
Subject: [PATCH] add janky scrolling to newly focused element

this should be refined to not actually always scroll even when the element
is already visible, but this works fine for now
---
 .../limelight/impl/ui/SearchFocusHandler.java | 29 +++++++++++++++++++
 .../impl/ui/SearchRootFlowLayout.java         | 10 +++++++
 2 files changed, 39 insertions(+)
 create mode 100644 src/client/java/io/wispforest/limelight/impl/ui/SearchFocusHandler.java

diff --git a/src/client/java/io/wispforest/limelight/impl/ui/SearchFocusHandler.java b/src/client/java/io/wispforest/limelight/impl/ui/SearchFocusHandler.java
new file mode 100644
index 0000000..4e2a60c
--- /dev/null
+++ b/src/client/java/io/wispforest/limelight/impl/ui/SearchFocusHandler.java
@@ -0,0 +1,29 @@
+package io.wispforest.limelight.impl.ui;
+
+import io.wispforest.owo.ui.container.ScrollContainer;
+import io.wispforest.owo.ui.core.Component;
+import io.wispforest.owo.ui.core.ParentComponent;
+import io.wispforest.owo.ui.util.FocusHandler;
+import org.jetbrains.annotations.Nullable;
+
+public class SearchFocusHandler extends FocusHandler {
+    public SearchFocusHandler(ParentComponent root) {
+        super(root);
+    }
+
+    @Override
+    public void focus(@Nullable Component component, Component.FocusSource source) {
+        super.focus(component, source);
+
+        if (component == null) return;
+
+        ParentComponent current = component.parent();
+        while (current != null) {
+            if (current instanceof ScrollContainer<?> scroll) {
+                scroll.scrollTo(component);
+            }
+            
+            current = current.parent();
+        }
+    }
+}
diff --git a/src/client/java/io/wispforest/limelight/impl/ui/SearchRootFlowLayout.java b/src/client/java/io/wispforest/limelight/impl/ui/SearchRootFlowLayout.java
index dc13906..d948bc4 100644
--- a/src/client/java/io/wispforest/limelight/impl/ui/SearchRootFlowLayout.java
+++ b/src/client/java/io/wispforest/limelight/impl/ui/SearchRootFlowLayout.java
@@ -1,6 +1,7 @@
 package io.wispforest.limelight.impl.ui;
 
 import io.wispforest.owo.ui.container.FlowLayout;
+import io.wispforest.owo.ui.core.ParentComponent;
 import io.wispforest.owo.ui.core.Sizing;
 import org.lwjgl.glfw.GLFW;
 
@@ -23,4 +24,13 @@ public boolean onKeyPress(int keyCode, int scanCode, int modifiers) {
 
         return this.keyPressEvents.sink().onKeyPress(keyCode, scanCode, modifiers);
     }
+
+    @Override
+    public void mount(ParentComponent parent, int x, int y) {
+        super.mount(parent, x, y);
+
+        if (parent == null) {
+            this.focusHandler = new SearchFocusHandler(this);
+        }
+    }
 }