From 7201cf5fe281507962c3b47ba65111e2b2572ded Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Sat, 4 Feb 2017 16:22:38 +0100
Subject: [PATCH] ItemWidget: skip setImageTexture if the icon has not changed

---
 apps/openmw/mwgui/itemwidget.cpp | 22 +++++++++++++++++-----
 apps/openmw/mwgui/itemwidget.hpp |  3 +++
 2 files changed, 20 insertions(+), 5 deletions(-)

diff --git a/apps/openmw/mwgui/itemwidget.cpp b/apps/openmw/mwgui/itemwidget.cpp
index fe7cb79de..a31eb9c76 100644
--- a/apps/openmw/mwgui/itemwidget.cpp
+++ b/apps/openmw/mwgui/itemwidget.cpp
@@ -67,20 +67,30 @@ namespace MWGui
 
     void ItemWidget::setIcon(const std::string &icon)
     {
-        if (mItemShadow)
-            mItemShadow->setImageTexture(icon);
-        if (mItem)
-            mItem->setImageTexture(icon);
+        if (mCurrentIcon != icon)
+        {
+            mCurrentIcon = icon;
+
+            if (mItemShadow)
+                mItemShadow->setImageTexture(icon);
+            if (mItem)
+                mItem->setImageTexture(icon);
+        }
     }
 
     void ItemWidget::setFrame(const std::string &frame, const MyGUI::IntCoord &coord)
     {
         if (mFrame)
         {
-            mFrame->setImageTexture(frame);
             mFrame->setImageTile(MyGUI::IntSize(coord.width, coord.height)); // Why is this needed? MyGUI bug?
             mFrame->setImageCoord(coord);
         }
+
+        if (mCurrentFrame != frame)
+        {
+            mCurrentFrame = frame;
+            mFrame->setImageTexture(frame);
+        }
     }
 
     void ItemWidget::setIcon(const MWWorld::Ptr &ptr)
@@ -105,6 +115,8 @@ namespace MWGui
                 mItemShadow->setImageTexture("");
             mItem->setImageTexture("");
             mText->setCaption("");
+            mCurrentIcon.clear();
+            mCurrentFrame.clear();
             return;
         }
 
diff --git a/apps/openmw/mwgui/itemwidget.hpp b/apps/openmw/mwgui/itemwidget.hpp
index ce9f58f50..dd1717d11 100644
--- a/apps/openmw/mwgui/itemwidget.hpp
+++ b/apps/openmw/mwgui/itemwidget.hpp
@@ -47,6 +47,9 @@ namespace MWGui
         MyGUI::ImageBox* mItemShadow;
         MyGUI::ImageBox* mFrame;
         MyGUI::TextBox* mText;
+
+        std::string mCurrentIcon;
+        std::string mCurrentFrame;
     };
 
 }