From 3f5e3689fa2cbd75be1d42ee9c912665ff1b2887 Mon Sep 17 00:00:00 2001
From: chrys87 <chrys87@web.de>
Date: Mon, 28 May 2018 10:32:13 +0200
Subject: [PATCH] Update attributeManager.py

---
 src/fenrirscreenreader/core/attributeManager.py | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/fenrirscreenreader/core/attributeManager.py b/src/fenrirscreenreader/core/attributeManager.py
index dd188455..7adb757e 100644
--- a/src/fenrirscreenreader/core/attributeManager.py
+++ b/src/fenrirscreenreader/core/attributeManager.py
@@ -11,6 +11,10 @@ class attributeManager():
     def __init__(self):
         self.currAttributes = None
         self.prevAttributes = None
+        self.currAttribDelta = ''
+        self.prevAttribDelta = ''
+        self.currAttribCursor = None
+        self.prefAttribCursor = None
         self.setDefaultAttributes()        
     def initialize(self, environment):
         self.env = environment  
@@ -19,6 +23,14 @@ class attributeManager():
     def updateAttributeData(self, prevAttributes, currAttributes):
         self.prevAttributes = prevAttributes                                    
         self.currAttributes = currAttributes
+    def getAttributeByXY(self, x, y):
+        if not self.currAttributes:
+            return None
+        if len(self.currAttributes) < y:
+            return None
+        if len(self.currAttributes[y]) < x:
+            return None        
+        return self.currAttributes[y][x]
     def setDefaultAttributes(self):
         self.defaultAttributes = []
         self.defaultAttributes.append((