From d4e0438743273ee422ec0bbb1673b2849237150a Mon Sep 17 00:00:00 2001
From: dragonmacher <48328597+dragonmacher@users.noreply.github.com>
Date: Wed, 25 Mar 2026 18:18:41 -0400
Subject: [PATCH] GP-5235 - Decompiler - Fixed middle-mouse bug when moving to
 a new function

---
 .../ghidra/app/decompiler/component/DecompilerPanel.java | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/component/DecompilerPanel.java b/Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/component/DecompilerPanel.java
index c2e49b7b71..3e79ad1f7e 100644
--- a/Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/component/DecompilerPanel.java
+++ b/Ghidra/Features/Decompiler/src/main/java/ghidra/app/decompiler/component/DecompilerPanel.java
@@ -419,7 +419,9 @@ public class DecompilerPanel extends JPanel implements FieldMouseListener, Field
 
 		// Apply the new middle-mouse highlighter when we have rebuilt the token
 		controller.doWhenNotBusy(() -> {
-			activeMiddleMouse.apply();
+			if (activeMiddleMouse != null) {
+				activeMiddleMouse.apply();
+			}
 		});
 	}
 
@@ -512,6 +514,11 @@ public class DecompilerPanel extends JPanel implements FieldMouseListener, Field
 			return;
 		}
 
+		if (activeMiddleMouse != null) {
+			activeMiddleMouse.clear();
+			activeMiddleMouse = null;
+		}
+
 		DecompileData oldData = this.decompileData;
 		this.decompileData = decompileData;
 		Function function = decompileData.getFunction();