ChaseCamera : added a hideCursorOnRotate flag to the chaseCam to prevent interfering with nifty.

See forum post
http://jmonkeyengine.org/groups/gui/forum/topic/nifty-window-not-accepting-input-after-clicking-into-the-scene/?topic_page=3&num=15#post-189063

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9697 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/input/ChaseCamera.java

@@ -108,6 +108,7 @@ public class ChaseCamera implements ActionListener, AnalogListener, Control {
     protected final static String ChaseCamMoveRight = "ChaseCamMoveRight";
     protected final static String ChaseCamToggleRotate = "ChaseCamToggleRotate";
     protected boolean zoomin;
+    protected boolean hideCursorOnRotate = true;
 
     /**
      * Constructs the chase camera
@@ -158,13 +159,17 @@ public class ChaseCamera implements ActionListener, AnalogListener, Control {
             if (name.equals(ChaseCamToggleRotate) && enabled) {
                 if (keyPressed) {
                     canRotate = true;
+                    if (hideCursorOnRotate) {
                         inputManager.setCursorVisible(false);
+                    }
                 } else {
                     canRotate = false;
+                    if (hideCursorOnRotate) {
                         inputManager.setCursorVisible(true);
                     }
                 }
             }
+        }
 
     }
 
@@ -874,6 +879,14 @@ public class ChaseCamera implements ActionListener, AnalogListener, Control {
         return initialUpVec;
     }
 
+    public boolean isHideCursorOnRotate() {
+        return hideCursorOnRotate;
+    }
+
+    public void setHideCursorOnRotate(boolean hideCursorOnRotate) {
+        this.hideCursorOnRotate = hideCursorOnRotate;
+    }
+
     /**
      * invert the vertical axis movement of the mouse
      * @param invertYaxis