Got save as working, still need to handle tabs gracefully.

CadQuery/Gui/Command.py

@@ -302,7 +302,7 @@ class CadQuerySaveAsScript:
     def Activated(self):
         #So we can open the save-as dialog
         mw = FreeCADGui.getMainWindow()
-        cqCodePane = mw.findChild(QtGui.QPlainTextEdit, "cqCodePane")
+        cqCodePane = Shared.getActiveCodePane()
 
         #Try to keep track of the previous path used to open as a convenience to the user
         if self.previousPath is None:
@@ -323,6 +323,9 @@ class CadQuerySaveAsScript:
                 #Assume that there was no 3D view to close
                 pass
 
+            # Change the name of our script window's tab
+            Shared.setActiveWindowTitle(os.path.basename(filename[0]))
+
             #Save the file before closing the original and the re-rendering the new one
             ExportCQ.save(filename[0])
             CadQueryExecuteScript().Activated()

CadQuery/Shared.py

@@ -23,10 +23,69 @@ def clearActiveDocument():
 
 
 def getActiveCodePane():
+    """Gets the currently active code pane, even if its 3D view is selected."""
+
+    # TODO: Make sure that the code pane is selected, even if the associated 3D view currently has focus
+
     # Grab our code editor so we can interact with it
     mw = FreeCADGui.getMainWindow()
     mdi = mw.findChild(QtGui.QMdiArea)
-    winName = mdi.currentSubWindow().windowTitle().split('.')[0]
+
+    # If our current subwindow doesn't contain a script, we need to find the one that does
+    mdiWin = mdi.currentSubWindow()
+    if mdiWin == 0 or ".py" not in mdiWin.windowTitle():
+        subList = mdi.subWindowList()
+
+        for sub in subList:
+            print(sub.windowTitle())
+            if sub.windowTitle() == mdiWin.windowTitle().split(" ")[0] + ".py":
+                mdiWin = sub
+
+    winName = mdiWin.windowTitle().split('.')[0]
     cqCodePane = mw.findChild(QtGui.QPlainTextEdit, "cqCodePane_" + winName)
 
-    return cqCodePane
+    return cqCodePane
+
+
+def getActiveCodeWindow():
+    """Gets the currently active code window (that holds the pane), even if the associated 3D view window has focus"""
+
+    mw = FreeCADGui.getMainWindow()
+    mdi = mw.findChild(QtGui.QMdiArea)
+
+    # We cannot trust the current subwindow to be a script window, it may be the associated 3D view
+    mdiWin = mdi.currentSubWindow()
+
+    # We have a 3D view selected so we need to find the corresponding script window
+    if mdiWin == 0 or ".py" not in mdiWin.windowTitle():
+        subList = mdi.subWindowList()
+
+        for sub in subList:
+            if sub.windowTitle() == mdiWin.windowTitle() + ".py":
+                mdiWin = sub
+
+    return mdiWin
+
+
+def setActiveWindowTitle(title):
+    """Sets the title of the currently active MDI window, as long as it is a scripting window"""
+
+    mw = FreeCADGui.getMainWindow()
+    mdi = mw.findChild(QtGui.QMdiArea)
+
+    # We cannot trust the current subwindow to be a script window, it may be the associated 3D view
+    mdiWin = mdi.currentSubWindow()
+
+    if mdiWin == 0 or ".py" not in mdiWin.windowTitle():
+        subList = mdi.subWindowList()
+
+        for sub in subList:
+            if sub.windowTitle() == mdiWin.windowTitle() + ".py":
+                mdiWin = sub
+
+    # Change the window title if there is something there to change
+    if (mdiWin != 0):
+        mdiWin.setWindowTitle(title)
+
+        cqCodePane = mdiWin.findChild(QtGui.QPlainTextEdit)
+        cqCodePane.setObjectName("cqCodePane_" + title.split('.')[0])