From 38643ad8aca76dba2ac71987008d8c79370607cd Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Fri, 27 Mar 2026 13:45:38 +0200
Subject: Refresh and auto-start loaded startup simulations

---
 src/main/java/simulator/VSSimulatorFrame.java | 36 +++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

(limited to 'src/main/java/simulator/VSSimulatorFrame.java')

diff --git a/src/main/java/simulator/VSSimulatorFrame.java b/src/main/java/simulator/VSSimulatorFrame.java
index 818bea9..3f14ca4 100644
--- a/src/main/java/simulator/VSSimulatorFrame.java
+++ b/src/main/java/simulator/VSSimulatorFrame.java
@@ -19,6 +19,7 @@ import javax.swing.JMenuItem;
 import javax.swing.JTabbedPane;
 import javax.swing.JToolBar;
 import javax.swing.KeyStroke;
+import javax.swing.SwingUtilities;
 import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;
 
@@ -601,12 +602,43 @@ public class VSSimulatorFrame extends VSFrame {
         VSSerialize serialize = new VSSerialize();
         VSSimulator simulator = serialize.openSimulator(filename, this);
 
-        if (simulator != null)
-            startCurrentSimulator();
+        if (simulator != null) {
+            refreshLoadedSimulator(simulator);
+
+            final VSSimulator loadedSimulator = simulator;
+            if (SwingUtilities.isEventDispatchThread()) {
+                startCurrentSimulator();
+            } else {
+                SwingUtilities.invokeLater(new Runnable() {
+                    public void run() {
+                        if (currentSimulator == loadedSimulator)
+                            startCurrentSimulator();
+                    }
+                });
+            }
+        }
 
         return simulator;
     }
 
+    /**
+     * Refreshes the loaded simulator tab after deserialization.
+     *
+     * @param simulator the loaded simulator
+     */
+    private void refreshLoadedSimulator(VSSimulator simulator) {
+        simulator.revalidate();
+        simulator.repaint();
+
+        if (tabbedPane != null) {
+            tabbedPane.revalidate();
+            tabbedPane.repaint();
+        }
+
+        revalidate();
+        repaint();
+    }
+
     /**
      * Pauses the current simulator
      */
-- 
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