From 79179a822619fb0aac6744d66a7d3313a4d92424 Mon Sep 17 00:00:00 2001
From: dragonmacher <48328597+dragonmacher@users.noreply.github.com>
Date: Fri, 20 Sep 2024 16:45:49 -0400
Subject: [PATCH] Fixed warning for recent font changes

---
 .../generic/theme/laf/LookAndFeelManager.java | 21 +++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/Ghidra/Framework/Gui/src/main/java/generic/theme/laf/LookAndFeelManager.java b/Ghidra/Framework/Gui/src/main/java/generic/theme/laf/LookAndFeelManager.java
index dc54e4c4d6..c9973ba03e 100644
--- a/Ghidra/Framework/Gui/src/main/java/generic/theme/laf/LookAndFeelManager.java
+++ b/Ghidra/Framework/Gui/src/main/java/generic/theme/laf/LookAndFeelManager.java
@@ -254,13 +254,22 @@ public abstract class LookAndFeelManager {
 
 	private void checkForAlreadyRegistered(Component component, String newFontId) {
 		String existingFontId = componentToIdMap.get(component);
-		if (existingFontId != null) {
-			Msg.warn(this, """
-					Component has a Font ID registered more than once. \
-					Previously registered ID: '%s'.  Newly registered ID: '%s'.
-						""".formatted(existingFontId, newFontId),
-				ReflectionUtilities.createJavaFilteredThrowable());
+		if (existingFontId == null) {
+			return; // never registered before
 		}
+
+		if (component instanceof FontChangeListener) {
+			// Special Case: this allows clients to control how they listen to font changes.  We 
+			// have guilty knowledge that some clients will use one listener to listen to multiple
+			// font ids, so don't print a warning for this case.
+			return;
+		}
+
+		Msg.warn(this, """
+				Component has a Font ID registered more than once. \
+				Previously registered ID: '%s'.  Newly registered ID: '%s'.
+					""".formatted(existingFontId, newFontId),
+			ReflectionUtilities.createJavaFilteredThrowable());
 	}
 
 	private Font toUiResource(Font font) {