adding in C axis

MatterControl.Printing/Settings/PrinterSettings.cs

@@ -176,6 +176,7 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 			SettingsKey.filament_1_has_been_loaded,
 			SettingsKey.filament_runout_sensor,
 			SettingsKey.firmware_type,
+			SettingsKey.has_c_axis,
 			SettingsKey.has_fan,
 			SettingsKey.has_hardware_leveling,
 			SettingsKey.has_heated_bed,

MatterControl.Printing/Settings/SettingsKey.cs

@@ -109,6 +109,7 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 		public const string g0 = nameof(g0);
 		public const string gcode_flavor = nameof(gcode_flavor);
 		public const string gcode_output_type = nameof(gcode_output_type);
+		public const string has_c_axis = nameof(has_c_axis);
 		public const string has_fan = nameof(has_fan);
 		public const string has_hardware_leveling = nameof(has_hardware_leveling);
 		public const string has_heated_bed = nameof(has_heated_bed);

MatterControl.Printing/Settings/SliceSettingsFields.cs

@@ -723,6 +723,19 @@ namespace MatterHackers.MatterControl.SlicerConfiguration
 					RebuildGCodeOnChange = false
 				},
 				new SliceSettingData()
+				{
+					SlicerConfigName = SettingsKey.has_c_axis,
+					PresentationName = "Has C Axis".Localize(),
+					HelpText = "The printer has a c axis used by too changer (e3d quad extruder).".Localize(),
+					DataEditType = DataEditTypes.CHECK_BOX,
+					ShowAsOverride = true,
+					ShowIfSet = "!sla_printer",
+					ResetAtEndOfPrint = false,
+					DefaultValue = "0",
+					ReloadUiWhenChanged = true,
+					RebuildGCodeOnChange = false
+				},
+				new SliceSettingData()
 				{
 					SlicerConfigName = SettingsKey.has_z_servo,
 					PresentationName = "Has Z Servo".Localize(),

MatterControlLib/PrinterCommunication/PrinterConnection.cs

@@ -424,7 +424,8 @@ namespace MatterHackers.MatterControl.PrinterCommunication
 			Y = 2,
 			Z = 4,
 			E = 8,
-			XYZ = X | Y | Z
+			XYZ = X | Y | Z,
+			C = 16, // used by e3d quad extruder
 		}
 
 		public double ActualBedTemperature
@@ -1371,20 +1372,25 @@ Make sure that your printer is turned on. Some printers will appear to be connec
 			// If we are homing everything we don't need to add any details
 			if (!axis.HasFlag(Axis.XYZ))
 			{
-				if ((axis & Axis.X) == Axis.X)
+				if (axis.HasFlag(Axis.X))
 				{
 					command += " X0";
 				}
 
-				if ((axis & Axis.Y) == Axis.Y)
+				if (axis.HasFlag(Axis.Y))
 				{
 					command += " Y0";
 				}
 
-				if ((axis & Axis.Z) == Axis.Z)
+				if (axis.HasFlag(Axis.Z))
 				{
 					command += " Z0";
 				}
+
+				if (axis.HasFlag(Axis.C))
+				{
+					command += " C0";
+				}
 			}
 
 			QueueLine(command);

MatterControlLib/PrinterControls/ControlWidgets/MovementControls.cs

@@ -156,6 +156,18 @@ namespace MatterHackers.MatterControl.PrinterControls
 			homeZButton.Click += (s, e) => printer.Connection.HomeAxis(PrinterConnection.Axis.Z);
 			toolbar.AddChild(homeZButton);
 
+			if (printer.Settings.GetValue<bool>(SettingsKey.has_c_axis))
+			{
+				var homeCButton = new TextButton("C", theme)
+				{
+					ToolTipText = "Home C".Localize(),
+					BackgroundColor = theme.MinimalShade,
+					Margin = theme.ButtonSpacing
+				};
+				homeCButton.Click += (s, e) => printer.Connection.HomeAxis(PrinterConnection.Axis.C);
+				toolbar.AddChild(homeCButton);
+			}
+
 			int extruderCount = printer.Settings.GetValue<int>(SettingsKey.extruder_count);
 
 			// Display the current baby step offset stream values

StaticData/SliceSettings/Layouts.txt

@@ -206,6 +206,7 @@ Printer
         filament_runout_sensor
         has_z_probe
         has_z_servo
+        has_c_axis
         enable_network_printing
         enable_sailfish_communication
         sla_printer

Submodules/agg-sharp

@@ -1 +1 @@
-Subproject commit 6daf0288a22655b275bea252caeb5264f003747e
+Subproject commit 9371fc13d7e56ded89f67453578996a2dd79936d