[orca] Retrieve cell coords from TableCell interface when available

[Joanmarie Diggs <joanied src gnome org>]

commit cb105d4d21c09d3e832273b493a407e8b48887fb
Author: Michael Weghorn <m weghorn posteo de>
Date:   Fri Sep 2 10:47:06 2022 +0000

    Retrieve cell coords from TableCell interface when available

 src/orca/script_utilities.py | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index c603890fb..927be2d80 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -4561,6 +4561,12 @@ class Utilities:
             cell = pyatspi.findAncestor(obj, lambda x: x and x.getRole() in roles)
             return self.coordinatesForCell(cell, preferAttribute, False)
 
+        if 'TableCell' in pyatspi.listInterfaces(obj):
+            tableCell = obj.queryTableCell()
+            successful, row, col = tableCell.position
+            if successful:
+                return row, col
+
         isTable = lambda x: x and 'Table' in pyatspi.listInterfaces(x)
         parent = pyatspi.findAncestor(obj, isTable)
         try: