From e70b6bb86d4abdb34532055e948a3b0560e303e3 Mon Sep 17 00:00:00 2001
From: mantaraya36 <mantaraya36@gmail.com>
Date: Tue, 12 May 2009 14:13:57 +0000
Subject: Fixed recursion bug in word search algorithm

---
diff --git a/wordhunt.py b/wordhunt.py
index dfe0ea9..eb40646 100644
--- a/wordhunt.py
+++ b/wordhunt.py
@@ -159,15 +159,15 @@ class wordhunt():
         for transform in matrix:
             new_row = row + transform[0]
             new_column = column + transform[1]
-            if  new_row < 0 or new_column < 0 or \
-                 new_row > 3 or new_column > 3 or \
-                 used[new_row][new_column] == 1:
-                pass
-            elif self.dice[self.facedie[new_row][new_column]][self.face[new_row][new_column]] == letter:
+            if  new_row >= 0 and new_column >= 0 and \
+                 new_row < 4 and new_column < 4 and \
+                 used[new_row][new_column] != 1 and \
+                 self.dice[self.facedie[new_row][new_column]][self.face[new_row][new_column]] == letter:
                 used_copy = used
                 used_copy[new_row][new_column] = 1
-                return [[new_row, new_column]] + \
-                    self.find_word(new_word, new_row, new_column, used_copy)
+                new = self.find_word(new_word, new_row, new_column, used_copy)
+                if new != [False]:
+                    return [[new_row, new_column]] + new
         return [False]
 
     def word_is_valid(self,word):
@@ -218,7 +218,8 @@ class wordhunt():
         for position in word_chain:
             self.grid.set_color(gtk.gdk.Color(100, 100, 60000),
                                 position[0], position[1])
-        gobject.source_remove(self.highlight_timer)
+        if self.highlight_timer > 0:
+            gobject.source_remove(self.highlight_timer)
         self.highlight_timer = gobject.timeout_add(5000, self.unmark_word)
         return
 
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