When using UTurn allow user to enable a sound to be played when approaching headland.

SourceCode/GPS/AgOpenGPS.csproj

@@ -93,6 +93,7 @@
     <Reference Include="System.Drawing" />
     <Reference Include="System.Windows.Forms" />
     <Reference Include="System.Windows.Forms.DataVisualization" />
+    <Reference Include="System.Windows.Presentation" />
     <Reference Include="System.Xml" />
     <Reference Include="Tinkerforge, Version=2.1.16.0, Culture=neutral, processorArchitecture=MSIL">
       <SpecificVersion>False</SpecificVersion>
@@ -559,6 +560,15 @@
     <Content Include="AppIcon.ico" />
     <Content Include="AppIcon64.ico" />
     <Content Include="aChangeLog.txt" />
+    <Content Include="Dependencies\Sounds\medium-beep.wav">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="Dependencies\Sounds\short-beep.wav">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
+    <Content Include="Dependencies\Sounds\two-short-beeps.wav">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </Content>
     <Content Include="Dependencies\YouTurnShapes\SemiCircle.txt">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </Content>

SourceCode/GPS/Classes/CYouTurn.cs

@@ -75,6 +75,9 @@ public class CYouTurn
         public vec4 crossingCurvePoint = new vec4();
         public vec4 crossingTurnLinePoint = new vec4();
 
+        public bool isUsingHeadlandAlert = false;
+        public int headlandAlertDistance = 20;
+
         //constructor
         public CYouTurn(FormGPS _f)
         {

SourceCode/GPS/Forms/FormYouTurn.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Drawing;
+using System.Media;
 using System.Text;
 using System.Windows.Forms;
 
@@ -193,6 +194,7 @@ private void FormYouTurn_Load(object sender, EventArgs e)
                 btnYouTurnWideReturn.Enabled = false;
                 btnYouTurnSemiCircle.Enabled = false;
             }
+            InitializeHeadlandAlert();
         }
 
         #region Procedures
@@ -742,6 +744,34 @@ private void LoadEditFunctionNames()
             tboxPos7.Text = mf.seq.pos7;
             tboxPos8.Text = mf.seq.pos8;
         }
+        private void InitializeHeadlandAlert()
+        {
+            if (!mf.yt.isUsingHeadlandAlert)
+            {
+                mf.yt.isUsingHeadlandAlert = false;
+                btnIsUsingHeadlandAlert.BackColor = Color.Salmon;
+            }
+            else
+            {
+                mf.yt.isUsingHeadlandAlert = true;
+                btnIsUsingHeadlandAlert.BackColor = Color.PaleGreen;
+            }
+            lblHeadlandAlertDistance.Text = $"{mf.yt.headlandAlertDistance.ToString()}";
+        }
+
+        private void SetHeadlandAlert()
+        {
+            if (mf.yt.isUsingHeadlandAlert)
+            {
+                mf.yt.isUsingHeadlandAlert = false;
+                btnIsUsingHeadlandAlert.BackColor = Color.Salmon;
+            }
+            else
+            {
+                mf.yt.isUsingHeadlandAlert = true;
+                btnIsUsingHeadlandAlert.BackColor = Color.PaleGreen;
+            }
+        }
 
         #endregion Procedures
 
@@ -1298,5 +1328,22 @@ private void FunctionButtonsOnOff()
             if (IsBitSet(mf.mc.machineControlData[mf.mc.cnYouTurn], 5)) btnToggle8.BackColor = Color.LightGreen;
             else btnToggle8.BackColor = Color.LightSalmon;
         }
+
+        private void btnIsUsingHeadlandAlert_Click(object sender, EventArgs e)
+        {
+            SetHeadlandAlert();
+        }
+
+        private void headlandAlertDistanceDn_MouseDown(object sender, MouseEventArgs e)
+        {
+            mf.yt.headlandAlertDistance += -1;
+            lblHeadlandAlertDistance.Text = $"{mf.yt.headlandAlertDistance.ToString()}";
+        }
+
+        private void headlandAlertDistanceUp_MouseDown(object sender, MouseEventArgs e)
+        {
+            mf.yt.headlandAlertDistance ++;
+            lblHeadlandAlertDistance.Text =  $"{mf.yt.headlandAlertDistance.ToString()}";
+        }
     }
 }