From 9a004f27cae4c97980d3bb6a9b55a5da143be980 Mon Sep 17 00:00:00 2001
From: chrys87 <chrys87@web.de>
Date: Thu, 21 Jul 2016 11:35:16 +0200
Subject: [PATCH] add getPrevWord and fix some bugs

---
 src/fenrir-package/utils/word_utils.py | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/fenrir-package/utils/word_utils.py b/src/fenrir-package/utils/word_utils.py
index 50919212..de4488c8 100644
--- a/src/fenrir-package/utils/word_utils.py
+++ b/src/fenrir-package/utils/word_utils.py
@@ -1,5 +1,13 @@
 #!/bin/python
 
+def getPrevWord(currX,currY, currText):
+    if currText == '':
+        return -1, -1, ''
+    x, y, word = getCurrentWord(currX,currY,currText)
+    if (x == currX) or (y == currY) and (word == ''):
+        return currX, currY, '' 
+    return getCurrentWord(x - 2, y, currText)
+
 def getCurrentWord(currX,currY, currText):
     if currText == '':
         return -1, -1, ''
@@ -8,7 +16,15 @@ def getCurrentWord(currX,currY, currText):
     wrappedLines = currText.split('\n')
     wordFound = False
     currWord = ''
-    currLine = wrappedLines[y].replace("\t"," ")
+    if x <= 0:
+        if y != 0:
+            y -= 1
+            currLine = wrappedLines[y].replace("\t"," ")
+        else:
+             return currX, currY, '' 
+        x = len(currLine) - 1
+    else:
+        currLine = wrappedLines[y].replace("\t"," ")
     while not wordFound:
         x = currLine[:x].rfind(" ")
         if x == -1:
@@ -30,7 +46,7 @@ def getCurrentWord(currX,currY, currText):
                 currLine = wrappedLines[y].replace("\t"," ")
             else:
                  return currX, currY, '' 
-            x = len(wrappedLines[y]) - 1
+            x = len(currLine) - 1
         else:
             x -= 1
     return x, y, currWord