From f8fc3380197c078a6dcff02351d835c3022411e1 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 16 Sep 2012 18:38:56 +0300
Subject: Improve inventory resize speed.

---
 src/gui/widgets/itemcontainer.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/gui')

diff --git a/src/gui/widgets/itemcontainer.cpp b/src/gui/widgets/itemcontainer.cpp
index 19f35ff02..aa254c30b 100644
--- a/src/gui/widgets/itemcontainer.cpp
+++ b/src/gui/widgets/itemcontainer.cpp
@@ -541,24 +541,27 @@ void ItemContainer::updateMatrix()
             break;
     }
 
+    int jMult = j * mGridColumns;
+    const int maxSize = mGridRows * mGridColumns;
     for (std::vector<ItemIdPair*>::const_iterator iter = sortedItems.begin(),
          iter_end = sortedItems.end(); iter != iter_end; ++ iter)
     {
-        if (j >= mGridRows)
+        if (jMult >= maxSize)
             break;
 
-        mShowMatrix[j * mGridColumns + i] = (*iter)->mId;
+        mShowMatrix[jMult + i] = (*iter)->mId;
 
         i ++;
         if (i >= mGridColumns)
         {
             i = 0;
             j ++;
+            jMult += mGridColumns;
         }
     }
 
     for (int idx = j * mGridColumns + i;
-         idx < mGridRows * mGridColumns; idx ++)
+         idx < maxSize; idx ++)
     {
         mShowMatrix[idx] = -1;
     }
-- 
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