[orca] Work around Unity Panel Service descriptions being silly.

[Joanmarie Diggs <joanied src gnome org>]

commit d33ca9f558e94e468fd8946cf1f890bf7916f4ec
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Apr 25 09:46:17 2016 -0400

    Work around Unity Panel Service descriptions being silly.
    
    For some reason, the labels which serve as Unity Panel Service menubar
    items expose an accessible description of the text + underscore symbol
    used to create the mnemonic. We're presenting both the displayed text
    and the description because we don't know the latter is not meant for
    end users.

 src/orca/generator.py |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/generator.py b/src/orca/generator.py
index 374c0cd..344fd6c 100644
--- a/src/orca/generator.py
+++ b/src/orca/generator.py
@@ -384,6 +384,12 @@ class Generator:
         if role == pyatspi.ROLE_TERMINAL:
             return []
 
+        # Unity Panel Service menubar items are labels which claim focus and
+        # have an accessible description of the text + underscore symbol used
+        # to create the mnemonic. We'll work around that here for now.
+        if role == pyatspi.ROLE_LABEL:
+            return []
+
         result = []
         if obj.description:
             label = self._script.utilities.displayedLabel(obj) or ""