Don't focus slider + traversal policy

swing/src/net/sf/openrocket/gui/adaptors/CustomFocusTraversalPolicy.java

@@ -0,0 +1,48 @@
+package net.sf.openrocket.gui.adaptors;
+
+import java.awt.Component;
+import java.awt.Container;
+import java.awt.FocusTraversalPolicy;
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * Custom adapter class for focus traversal, based on a given order of GUI components
+ *
+ * @author Sibo Van Gool <sibo.vangool@hotmail.com>
+ */
+public class CustomFocusTraversalPolicy extends FocusTraversalPolicy {
+    List<Component> order;
+
+    /**
+     * @param order the order of components to traverse
+     */
+    public CustomFocusTraversalPolicy(List<Component> order) {
+        this.order = new LinkedList<Component>(order);
+    }
+
+    public Component getComponentAfter(Container focusCycleRoot, Component aComponent) {
+        int idx = (order.indexOf(aComponent) + 1) % order.size();
+        return order.get(idx);
+    }
+
+    public Component getComponentBefore(Container focusCycleRoot, Component aComponent) {
+        int idx = order.indexOf(aComponent) - 1;
+        if (idx < 0) {
+            idx = order.size() - 1;
+        }
+        return order.get(idx);
+    }
+
+    public Component getDefaultComponent(Container focusCycleRoot) {
+        return order.get(0);
+    }
+
+    public Component getLastComponent(Container focusCycleRoot) {
+        return order.get(order.size() - 1);
+    }
+
+    public Component getFirstComponent(Container focusCycleRoot) {
+        return order.get(0);
+    }
+}

swing/src/net/sf/openrocket/gui/components/BasicSlider.java

@@ -26,6 +26,7 @@ public class BasicSlider extends JSlider {
 		super(brm);
 		setOrientation(orientation);
 		setInverted(inverted);
+		setFocusable(false);
 		setUI(new BasicSliderUI(this));
 	}