From 90f197fbc41628c00a9d8b6bf79a42cf6a5e59c2 Mon Sep 17 00:00:00 2001
From: Thomas Geymayer <tomgey@gmail.com>
Date: Wed, 30 Jul 2014 23:54:04 +0200
Subject: [PATCH] Do not assume there is a mouse mode with index 3.

---
 src/Input/FGMouseInput.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Input/FGMouseInput.cxx b/src/Input/FGMouseInput.cxx
index 6d052c881..90a5efde9 100644
--- a/src/Input/FGMouseInput.cxx
+++ b/src/Input/FGMouseInput.cxx
@@ -641,7 +641,7 @@ void FGMouseInput::processMotion(int x, int y, const osgGA::GUIEventAdapter* ea)
   mouse &m = d->mice[0];
   int modeIndex = m.current_mode;
   // are we in spring-loaded look mode?
-  if (!d->rightClickModeCycle) {
+  if (!d->rightClickModeCycle && m.nModes > 3) {
     if (m.mouse_button_nodes[2]->getBoolValue()) {
       // right mouse is down, force look mode
       modeIndex = 3;
-- 
2.39.5