From 7cf80c29d18c703dfb0f75aa78576537aa43c355 Mon Sep 17 00:00:00 2001
From: Jannis Weis <31143295+weisJ@users.noreply.github.com>
Date: Tue, 28 Dec 2021 15:38:43 +0100
Subject: [PATCH] ScrollBar: Hide rounded scrollbar if thumb is empty.

If a theme decides to make the minimized scrollbar be size
0 it should be completely hidden.
---
 .../darklaf/ui/scrollpane/DarkRoundedScrollBarUI.java  | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/core/src/main/java/com/github/weisj/darklaf/ui/scrollpane/DarkRoundedScrollBarUI.java b/core/src/main/java/com/github/weisj/darklaf/ui/scrollpane/DarkRoundedScrollBarUI.java
index bf8354e0..ee211b65 100644
--- a/core/src/main/java/com/github/weisj/darklaf/ui/scrollpane/DarkRoundedScrollBarUI.java
+++ b/core/src/main/java/com/github/weisj/darklaf/ui/scrollpane/DarkRoundedScrollBarUI.java
@@ -73,10 +73,12 @@ public abstract class DarkRoundedScrollBarUI extends DarkScrollBarUI {
         }
         int arc = horizontal ? height : width;
         roundRect.setRoundRect(x, y, width, height, arc, arc);
-        g.setColor(getThumbColor());
-        g.fill(roundRect);
-        g.setColor(getThumbBorderColor());
-        g.draw(roundRect);
+        if (!roundRect.isEmpty()) {
+            g.setColor(getThumbColor());
+            g.fill(roundRect);
+            g.setColor(getThumbBorderColor());
+            g.draw(roundRect);
+        }
         context.restore();
     }