Common: change knots to kts

Common.cs

@@ -22,6 +22,12 @@ public class Common
     {
         private static readonly ILog log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+        public enum altitudes
+        {
+            Meters,
+            Feet
+        }
+
         public enum distances
         {
             Meters,

CurrentState.cs

@@ -32,6 +32,8 @@ public class CurrentState : ICloneable
         public static string DistanceUnit = "";
         public static float multiplierspeed = 1;
         public static string SpeedUnit = "";
+        public static float multiplieralt = 1;
+        public static string AltUnit = "";
 
         public static double toDistDisplayUnit(double input)
         {
@@ -116,7 +118,7 @@ public float groundcourse
         [DisplayText("Altitude (dist)")]
         public float alt
         {
-            get { return (_alt - altoffsethome)*multiplierdist; }
+            get { return (_alt - altoffsethome)* multiplieralt; }
             set
             {
                 // check update rate, and ensure time hasnt gone backwards                
@@ -139,7 +141,7 @@ public float alt
         [DisplayText("Altitude (dist)")]
         public float altasl
         {
-            get { return _altasl*multiplierdist; }
+            get { return _altasl* multiplieralt; }
             set { _altasl = value; }
         }
 
@@ -535,7 +537,7 @@ public float wp_dist
         [DisplayText("Altitude Error (dist)")]
         public float alt_error
         {
-            get { return _alt_error*multiplierdist; }
+            get { return _alt_error* multiplieralt; }
             set
             {
                 if (_alt_error == value) return;

GCSViews/ConfigurationView/ConfigPlanner.cs

@@ -54,6 +54,7 @@ public void Activate()
             // set distance/speed unit states
             CMB_distunits.DataSource = Enum.GetNames(typeof (Common.distances));
             CMB_speedunits.DataSource = Enum.GetNames(typeof (Common.speeds));
+            CMB_altunits.DataSource = Enum.GetNames(typeof(Common.altitudes));
 
             CMB_theme.DataSource = Enum.GetNames(typeof (ThemeManager.Themes));
 
@@ -930,5 +931,13 @@ private void chk_shownofly_CheckedChanged(object sender, EventArgs e)
         {
             Settings.Instance["ShowNoFly"] = chk_shownofly.Checked.ToString();
         }
+
+        private void CMB_altunits_SelectedIndexChanged(object sender, EventArgs e)
+        {
+            if (startup)
+                return;
+            Settings.Instance["altunits"] = CMB_altunits.Text;
+            MainV2.instance.ChangeUnits();
+        }
     }
 }