1 files changed, 93 insertions, 0 deletions
diff --git a/src/main/java/testing/DummySimulatorFrame.java b/src/main/java/testing/DummySimulatorFrame.java
new file mode 100644
index 0000000..b211851
--- /dev/null
+++ b/src/main/java/testing/DummySimulatorFrame.java
@@ -0,0 +1,93 @@
+package testing;
+
+import simulator.VSSimulatorFrame;
+import prefs.VSPrefs;
+import javax.swing.SwingUtilities;
+import java.awt.Dimension;
+import java.awt.Point;
+
+/**
+ * A minimal simulator frame for headless operation.
+ * Creates a real frame but immediately hides it and moves it off-screen.
+ */
+public class DummySimulatorFrame extends VSSimulatorFrame {
+    
+    public DummySimulatorFrame(VSPrefs prefs) {
+        super(prefs, null);  // null for relativeTo component
+        
+        // Make the frame as small as possible and move off-screen
+        SwingUtilities.invokeLater(() -> {
+            setSize(1, 1);
+            setLocation(-1000, -1000);
+            setVisible(false);
+        });
+    }
+    
+    @Override
+    public void resetCurrentSimulator() {
+        // Check if we have a current simulator before resetting
+        if (getCurrentSimulator() != null) {
+            // Only reset menu states, don't update GUI
+            getCurrentSimulator().getMenuItemStates().setStart(true);
+            getCurrentSimulator().getMenuItemStates().setPause(false);
+            getCurrentSimulator().getMenuItemStates().setReset(false);
+            getCurrentSimulator().getMenuItemStates().setReplay(false);
+        }
+    }
+    
+    @Override
+    public void updateSimulatorMenu() {
+        // Do nothing - no menu updates in headless mode
+    }
+    
+    @Override
+    public void setVisible(boolean visible) {
+        // Always keep invisible
+        super.setVisible(false);
+    }
+    
+    @Override
+    public void pack() {
+        // Set minimal size instead of packing
+        setSize(1, 1);
+    }
+    
+    @Override
+    public void toFront() {
+        // Do nothing - don't bring to front
+    }
+    
+    @Override
+    public void repaint() {
+        // Do nothing - no repainting needed
+    }
+    
+    @Override
+    public void addSimulator(simulator.VSSimulator simulator) {
+        // Add simulator without triggering tab changes and painting
+        if (getSimulators() != null) {
+            getSimulators().add(simulator);
+        }
+        setCurrentSimulator(simulator);
+    }
+    
+    protected void setCurrentSimulator(simulator.VSSimulator simulator) {
+        try {
+            java.lang.reflect.Field field = VSSimulatorFrame.class.getDeclaredField("currentSimulator");
+            field.setAccessible(true);
+            field.set(this, simulator);
+        } catch (Exception e) {
+            // Ignore errors
+        }
+    }
+    
+    protected java.util.Vector<simulator.VSSimulator> getSimulators() {
+        try {
+            java.lang.reflect.Field field = VSSimulatorFrame.class.getDeclaredField("simulators");
+            field.setAccessible(true);
+            return (java.util.Vector<simulator.VSSimulator>) field.get(this);
+        } catch (Exception e) {
+            return null;
+        }
+    }
+}
+\ No newline at end of file