From b3b21572c8888898434fd9e58c25354e88a9c497 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C3=ABl=20Zasso?= <targos@protonmail.com>
Date: Thu, 22 Feb 2024 16:47:11 +0100
Subject: [PATCH] fix(editor): ignore mouse up event on bond action if mouse
 down was not captured (#1)

The action handler requires a starting point.
---
 .../research/share/gui/editor/actions/BondBaseAction.java     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main/java/com/actelion/research/share/gui/editor/actions/BondBaseAction.java b/src/main/java/com/actelion/research/share/gui/editor/actions/BondBaseAction.java
index 1a516501..27a80056 100644
--- a/src/main/java/com/actelion/research/share/gui/editor/actions/BondBaseAction.java
+++ b/src/main/java/com/actelion/research/share/gui/editor/actions/BondBaseAction.java
@@ -79,6 +79,10 @@ public void onChangeBond(int bond)
 
     public boolean onMouseUp(IMouseEvent evt)
     {
+        // Ignore event if the action didn't start in the editor.
+        if (origin == null) {
+            return false;
+        }
 
         boolean ok = true;
         GenericPoint pt = new GenericPoint(evt.getX(), evt.getY());