From: Keith Packard <keithp@keithp.com>
Date: Wed, 17 Oct 2012 00:13:04 +0000 (-0700)
Subject: altosui: Handle missing pad distance in descent tab
X-Git-Tag: 1.1.9.1~12
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=ef9cb19d8b210e02eaa1c657833c1bd5fc619ad8;hp=60880bda2153ba3122c7102cd2bacbcca73b9e0d

altosui: Handle missing pad distance in descent tab

When the GPS isn't locked, the distance from the pad cannot be
computed and is left missing. Not crashing in this case is more useful.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/altosui/AltosDescent.java b/altosui/AltosDescent.java
index e9ff590b..a71cdc10 100644
--- a/altosui/AltosDescent.java
+++ b/altosui/AltosDescent.java
@@ -309,7 +309,10 @@ public class AltosDescent extends JComponent implements AltosFlightDisplay {
 
 	class Distance extends DescentValue {
 		void show(AltosState state, int crc_errors) {
-			show(AltosConvert.distance, state.from_pad.distance);
+			if (state.from_pad != null)
+				show(AltosConvert.distance, state.from_pad.distance);
+			else
+				show("???");
 		}
 
 		public Distance (GridBagLayout layout, int x, int y) {