Removed 'Use Tip Length' and added 'Extra Offset' in Drilling OP

src/Mod/Path/Gui/Resources/panels/PageOpDrillingEdit.ui

@@ -63,13 +63,6 @@
    <item row="1" column="0">
     <widget class="QWidget" name="widget" native="true">
      <layout class="QGridLayout" name="gridLayout">
-      <item row="7" column="1">
-       <widget class="QCheckBox" name="useTipLength">
-        <property name="text">
-         <string>Use Tip Length</string>
-        </property>
-       </widget>
-      </item>
       <item row="6" column="4">
        <widget class="QLabel" name="dwellTimelabel">
         <property name="enabled">
@@ -135,6 +128,32 @@
         </property>
        </widget>
       </item>
+      <item row="7" column="4">
+       <widget class="QLabel" name="Offsetlabel">
+        <property name="text">
+         <string>Extra Offset</string>
+        </property>
+       </widget>
+      </item>
+      <item row="7" column="6">
+       <widget class="QComboBox" name="ExtraOffset">
+        <item>
+         <property name="text">
+          <string>None</string>
+         </property>
+        </item>
+        <item>
+         <property name="text">
+          <string>Tip Length</string>
+         </property>
+        </item>
+        <item>
+         <property name="text">
+          <string>2x Tip Length</string>
+         </property>
+        </item>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>
@@ -164,7 +183,6 @@
   <tabstop>toolController</tabstop>
   <tabstop>peckEnabled</tabstop>
   <tabstop>dwellEnabled</tabstop>
-  <tabstop>useTipLength</tabstop>
  </tabstops>
  <resources/>
  <connections/>

src/Mod/Path/PathScripts/PathDrilling.py

@@ -75,6 +75,8 @@ class ObjectDrilling(PathCircularHoleBase.ObjectOp):
         obj.addProperty("App::PropertyEnumeration", "ReturnLevel", "Drill", QtCore.QT_TRANSLATE_NOOP("App::Property", "Controls how tool retracts Default=G99"))
         obj.ReturnLevel = ['G99', 'G98']  # Canned Cycle Return Level
         obj.addProperty("App::PropertyDistance", "RetractHeight", "Drill", QtCore.QT_TRANSLATE_NOOP("App::Property", "The height where feed starts and height during retract tool when path is finished while in a peck operation"))
+        obj.addProperty("App::PropertyEnumeration", "ExtraOffset", "Drill", QtCore.QT_TRANSLATE_NOOP("App::Property", "How far the drill depth is extended"))
+        obj.ExtraOffset = ['None', 'Tip Length', '2x Tip Length']  # Canned Cycle Return Level
 
         # Rotation related properties
         if not hasattr(obj, 'EnableRotation'):
@@ -103,8 +105,10 @@ class ObjectDrilling(PathCircularHoleBase.ObjectOp):
         self.commandlist.append(Path.Command('G0', {'Z': obj.ClearanceHeight.Value, 'F': self.vertRapid}))
 
         tiplength = 0.0
-        if obj.AddTipLength:
+        if obj.ExtraOffset == 'Tip Length':
             tiplength = PathUtils.drillTipLength(self.tool)
+        elif obj.ExtraOffset == '2x Tip Length':
+            tiplength = PathUtils.drillTipLength(self.tool) * 2
 
         holes = PathUtils.sort_jobs(holes, ['x', 'y'])
         self.commandlist.append(Path.Command('G90'))
@@ -218,6 +222,7 @@ def SetupProperties():
     setup.append("DwellEnabled")
     setup.append("AddTipLength")
     setup.append("ReturnLevel")
+    setup.append("ExtraDepth")
     setup.append("RetractHeight")
     setup.append("EnableRotation")
     setup.append("ReverseDirection")

src/Mod/Path/PathScripts/PathDrillingGui.py

@@ -97,8 +97,8 @@ class TaskPanelOpPage(PathCircularHoleBaseGui.TaskPanelOpPage):
             obj.DwellEnabled = self.form.dwellEnabled.isChecked()
         if obj.PeckEnabled != self.form.peckEnabled.isChecked():
             obj.PeckEnabled = self.form.peckEnabled.isChecked()
-        if obj.AddTipLength != self.form.useTipLength.isChecked():
-            obj.AddTipLength = self.form.useTipLength.isChecked()
+        if obj.ExtraOffset != str(self.form.ExtraOffset.currentText()):
+            obj.ExtraOffset = str(self.form.ExtraOffset.currentText())
 
         self.updateToolController(obj, self.form.toolController)
         self.updateCoolant(obj, self.form.coolantController)
@@ -118,10 +118,7 @@ class TaskPanelOpPage(PathCircularHoleBaseGui.TaskPanelOpPage):
         else:
             self.form.peckEnabled.setCheckState(QtCore.Qt.Unchecked)
 
-        if obj.AddTipLength:
-            self.form.useTipLength.setCheckState(QtCore.Qt.Checked)
-        else:
-            self.form.useTipLength.setCheckState(QtCore.Qt.Unchecked)
+        self.selectInComboBox(obj.ExtraOffset, self.form.ExtraOffset)
 
         self.setupToolController(obj, self.form.toolController)
         self.setupCoolant(obj, self.form.coolantController)
@@ -136,10 +133,10 @@ class TaskPanelOpPage(PathCircularHoleBaseGui.TaskPanelOpPage):
         signals.append(self.form.dwellTime.editingFinished)
         signals.append(self.form.dwellEnabled.stateChanged)
         signals.append(self.form.peckEnabled.stateChanged)
-        signals.append(self.form.useTipLength.stateChanged)
         signals.append(self.form.toolController.currentIndexChanged)
         signals.append(self.form.coolantController.currentIndexChanged)
         signals.append(self.form.coolantController.currentIndexChanged)
+        signals.append(self.form.ExtraOffset.currentIndexChanged)
 
         return signals