Added tooltip support for PostProcessor scripts.

src/Mod/Path/PathScripts/PathJob.py

@@ -125,6 +125,13 @@ class ObjectPathJob:
                 obj.Y_Min = current_post.CORNER_MIN['y']
                 obj.Z_Min = current_post.CORNER_MIN['z']
 
+            self.tooltip = None
+            self.tooltipArgs = None
+            if hasattr(current_post, "TOOLTIP"):
+                self.tooltip = current_post.TOOLTIP
+                if hasattr(current_post, "TOOLTIP_ARGS"):
+                    self.tooltipArgs = current_post.TOOLTIP_ARGS
+
     # def getToolControllers(self, obj):
     #     '''returns a list of ToolControllers for the current job'''
     #     controllers = []
@@ -249,6 +256,8 @@ class TaskPanel:
             if hasattr(o, "Shape"):
                 self.form.cboBaseObject.addItem(o.Name)
 
+        self.postProcessorDefaultTooltip = self.form.cboPostProcessor.toolTip()
+        self.postProcessorDefaultArgsTooltip = self.form.cboPostProcessorArgs.toolTip()
 
     def accept(self):
         self.getFields()
@@ -260,6 +269,17 @@ class TaskPanel:
         FreeCADGui.Control.closeDialog()
         FreeCAD.ActiveDocument.recompute()
 
+    def updateTooltips(self):
+        if hasattr(self.obj, "Proxy") and hasattr(self.obj.Proxy, "tooltip") and self.obj.Proxy.tooltip:
+            self.form.cboPostProcessor.setToolTip(self.obj.Proxy.tooltip)
+            if hasattr(self.obj.Proxy, "tooltipArgs") and self.obj.Proxy.tooltipArgs:
+                self.form.cboPostProcessorArgs.setToolTip(self.obj.Proxy.tooltipArgs)
+            else:
+                self.form.cboPostProcessorArgs.setToolTip(self.postProcessorDefaultArgsTooltip)
+        else:
+            self.form.cboPostProcessor.setToolTip(self.postProcessorDefaultTooltip)
+            self.form.cboPostProcessorArgs.setToolTip(self.postProcessorDefaultArgsTooltip)
+
     def getFields(self):
         '''sets properties in the object to match the form'''
         if self.obj:
@@ -288,6 +308,8 @@ class TaskPanel:
                 selObj = Draft.clone(selObj)
             self.obj.Base = selObj
 
+            self.updateTooltips()
+
         self.obj.Proxy.execute(self.obj)
 
     def setFields(self):
@@ -302,6 +324,9 @@ class TaskPanel:
             self.form.cboPostProcessor.blockSignals(True)
             self.form.cboPostProcessor.setCurrentIndex(postindex)
             self.form.cboPostProcessor.blockSignals(False)
+            # make sure the proxy loads post processor script values and settings
+            self.obj.Proxy.onChanged(self.obj, "PostProcessor")
+            self.updateTooltips()
         self.form.cboPostProcessorArgs.displayText = self.obj.PostProcessorArgs
 
         for child in self.obj.Group:

src/Mod/Path/PathScripts/centroid_post.py

@@ -21,7 +21,8 @@
 #*   USA                                                                   *
 #*                                                                         *
 #***************************************************************************
-''' example post for Centroid CNC mill'''
+TOOLTIP=''' example post for Centroid CNC mill'''
+
 import FreeCAD
 import datetime
 now = datetime.datetime.now()

src/Mod/Path/PathScripts/comparams_post.py

@@ -21,7 +21,8 @@
 #*   USA                                                                   *
 #*                                                                         *
 #***************************************************************************
-''' Example Post, using Path.Commands instead of Path.toGCode strings for Path gcode output. '''
+TOOLTIP=''' Example Post, using Path.Commands instead of Path.toGCode strings for Path gcode output. '''
+
 import FreeCAD
 import Path, PathScripts
 from PathScripts import PostUtils

src/Mod/Path/PathScripts/dumper_post.py

@@ -22,7 +22,7 @@
 # ***************************************************************************/
 
 
-'''
+TOOLTIP='''
 Dumper is an extremely simple postprocessor file for the Path workbench. It is used
 to dump the command list from one or more Path objects for simple inspection. This post
 doesn't do any manipulation of the path and doesn't write anything to disk.  It just

src/Mod/Path/PathScripts/example_post.py

@@ -22,7 +22,7 @@
 # ***************************************************************************/
 
 
-'''
+TOOLTIP='''
 This is an example postprocessor file for the Path workbench. It is used
 to save a list of FreeCAD Path objects to a file.
 

src/Mod/Path/PathScripts/linuxcnc_post.py

@@ -22,7 +22,7 @@
 # ***************************************************************************/
 
 
-'''
+TOOLTIP='''
 This is a postprocessor file for the Path workbench. It is used to
 take a pseudo-gcode fragment outputted by a Path object, and output
 real GCode suitable for a linuxcnc 3 axis mill. This postprocessor, once placed
@@ -33,6 +33,13 @@ import linuxcnc_post
 linuxcnc_post.export(object,"/path/to/file.ncc")
 '''
 
+TOOLTIP_ARGS='''
+Arguments for linuxcnc:
+    --header,--no-header             ... output headers (--header)
+    --comments,--no-comments         ... output comments (--comments)
+    --line-numbers,--no-line-numbers ... prefix with line numbers (--no-lin-numbers)
+'''
+
 import datetime
 from PathScripts import PostUtils
 

src/Mod/Path/PathScripts/opensbp_post.py

@@ -25,7 +25,7 @@ from PathScripts import PostUtils
 # ***************************************************************************/
 
 
-'''
+TOOLTIP='''
 This is an postprocessor file for the Path workbench. It will output path data
 in a format suitable for OpenSBP controllers like shopbot.  This postprocessor,
 once placed in the appropriate PathScripts folder, can be used directly from

src/Mod/Path/PathScripts/rml_post.py

@@ -22,7 +22,7 @@
 #***************************************************************************/
 
 
-'''
+TOOLTIP='''
 FreeCAD Path post-processor to output code for the Roland Modela MDX-## machines.
 
 The machine speaks RML-1, specified in 'Roland RML-1 Programming Guidelines'