in the trade window, don't show items that the merchant has equipped.

apps/openmw/mwgui/container.cpp

@@ -300,10 +300,13 @@ void ContainerBase::drawItems()
         equippedItems.erase(found);
     }
     // and add the items that are left (= have the correct category)
-    for (std::vector<MWWorld::Ptr>::const_iterator it=equippedItems.begin();
-        it != equippedItems.end(); ++it)
+    if (!ignoreEquippedItems())
     {
-        items.push_back( std::make_pair(*it, ItemState_Equipped) );
+        for (std::vector<MWWorld::Ptr>::const_iterator it=equippedItems.begin();
+            it != equippedItems.end(); ++it)
+        {
+            items.push_back( std::make_pair(*it, ItemState_Equipped) );
+        }
     }
 
     // now add the regular items

apps/openmw/mwgui/container.hpp

@@ -98,6 +98,9 @@ namespace MWGui
         virtual bool isInventory() { return false; }
         virtual std::vector<MWWorld::Ptr> getEquippedItems() { return std::vector<MWWorld::Ptr>(); }
         virtual void _unequipItem(MWWorld::Ptr item) { ; }
+
+        // to be reimplemented by TradeWindow
+        virtual bool ignoreEquippedItems() { return false; }
     };
 
     class ContainerWindow : public ContainerBase, public WindowBase

apps/openmw/mwgui/inventorywindow.cpp

@@ -84,13 +84,13 @@ namespace MWGui
         mFilterAll->setStateSelected(true);
 
         setCoord(0, 342, 600, 258);
-    }
 
-    void InventoryWindow::openInventory()
-    {
         MWWorld::Ptr player = MWBase::Environment::get().getWorld()->getPlayer().getPlayer();
         openContainer(player);
+    }
 
+    void InventoryWindow::openInventory()
+    {
         onWindowResize(static_cast<MyGUI::Window*>(mMainWidget));
 
         updateEncumbranceBar();
@@ -232,4 +232,17 @@ namespace MWGui
 
         ContainerBase::Update();
     }
+
+    int InventoryWindow::getPlayerGold()
+    {
+        MWWorld::InventoryStore& invStore = static_cast<MWWorld::InventoryStore&>(MWWorld::Class::get(mContainer).getContainerStore(mContainer));
+
+        for (MWWorld::ContainerStoreIterator it = invStore.begin();
+                it != invStore.end(); ++it)
+        {
+            if (MWWorld::Class::get(*it).getName(*it) == MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sGold")->str)
+                return it->getRefData().getCount();
+        }
+        return 0;
+    }
 }

apps/openmw/mwgui/inventorywindow.hpp

@@ -16,6 +16,8 @@ namespace MWGui
             virtual void Update();
             virtual void notifyContentChanged();
 
+            int getPlayerGold();
+
         protected:
             MyGUI::Widget* mAvatar;
             MyGUI::TextBox* mArmorRating;

apps/openmw/mwgui/tradewindow.cpp

@@ -1,15 +1,20 @@
 #include "tradewindow.hpp"
 
+#include <boost/lexical_cast.hpp>
+
 #include "../mwbase/environment.hpp"
 #include "../mwworld/world.hpp"
+#include "../mwworld/inventorystore.hpp"
 
 #include "window_manager.hpp"
+#include "inventorywindow.hpp"
 
 namespace MWGui
 {
     TradeWindow::TradeWindow(WindowManager& parWindowManager) :
-        WindowBase("openmw_trade_window_layout.xml", parWindowManager),
-        ContainerBase(NULL) // no drag&drop
+        WindowBase("openmw_trade_window_layout.xml", parWindowManager)
+        , ContainerBase(NULL) // no drag&drop
+        , mCurrentBalance(0)
     {
         MyGUI::ScrollView* itemView;
         MyGUI::Widget* containerWidget;
@@ -40,9 +45,6 @@ namespace MWGui
         mCancelButton->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sCancel")->str);
         mOfferButton->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sOffer")->str);
 /*
-        mTotalBalanceLabel->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sTotalCost")->str);
-        mTotalBalanceLabel->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sTotalSold")->str);
-        mPlayerGold->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sYourGold")->str);
         mMerchantGold->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sSellerGold")->str);
 
 */
@@ -108,6 +110,10 @@ namespace MWGui
 
         setTitle(MWWorld::Class::get(actor).getName(actor));
         adjustWindowCaption();
+
+        mCurrentBalance = 0;
+
+        updateLabels();
     }
 
     void TradeWindow::onFilterChanged(MyGUI::Widget* _sender)
@@ -145,4 +151,40 @@ namespace MWGui
     {
         mWindowManager.setGuiMode(GM_Game);
     }
+
+    void TradeWindow::updateLabels()
+    {
+        mPlayerGold->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sYourGold")->str
+            + " " + boost::lexical_cast<std::string>(mWindowManager.getInventoryWindow()->getPlayerGold()));
+
+        if (mCurrentBalance > 0)
+        {
+            mTotalBalanceLabel->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sTotalSold")->str);
+            mTotalBalance->setCaption(boost::lexical_cast<std::string>(mCurrentBalance));
+        }
+        else
+        {
+            mTotalBalanceLabel->setCaption(MWBase::Environment::get().getWorld()->getStore().gameSettings.search("sTotalCost")->str);
+            mTotalBalance->setCaption(boost::lexical_cast<std::string>(-mCurrentBalance));
+        }
+    }
+
+
+    std::vector<MWWorld::Ptr> TradeWindow::getEquippedItems()
+    {
+        MWWorld::InventoryStore& invStore = static_cast<MWWorld::InventoryStore&>(MWWorld::Class::get(mContainer).getContainerStore(mContainer));
+
+        std::vector<MWWorld::Ptr> items;
+
+        for (int slot=0; slot < MWWorld::InventoryStore::Slots; ++slot)
+        {
+            MWWorld::ContainerStoreIterator it = invStore.getSlot(slot);
+            if (it != invStore.end())
+            {
+                items.push_back(*it);
+            }
+        }
+
+        return items;
+    }
 }

apps/openmw/mwgui/tradewindow.hpp

@@ -50,10 +50,18 @@ namespace MWGui
             MyGUI::TextBox* mPlayerGold;
             MyGUI::TextBox* mMerchantGold;
 
+            int mCurrentBalance;
+
             void onWindowResize(MyGUI::Window* _sender);
             void onFilterChanged(MyGUI::Widget* _sender);
             void onOfferButtonClicked(MyGUI::Widget* _sender);
             void onCancelButtonClicked(MyGUI::Widget* _sender);
+
+            // don't show items that the NPC has equipped in his trade-window.
+            virtual bool ignoreEquippedItems() { return true; }
+            virtual std::vector<MWWorld::Ptr> getEquippedItems();
+
+            void updateLabels();
     };
 }
 

apps/openmw/mwgui/window_manager.cpp

@@ -108,10 +108,10 @@ WindowManager::WindowManager(
     console = new Console(w,h, extensions);
     mJournal = new JournalWindow(*this);
     mMessageBoxManager = new MessageBoxManager(this);
+    mInventoryWindow = new InventoryWindow(*this,mDragAndDrop);
     mTradeWindow = new TradeWindow(*this);
     mDialogueWindow = new DialogueWindow(*this);
     mContainerWindow = new ContainerWindow(*this,mDragAndDrop);
-    mInventoryWindow = new InventoryWindow(*this,mDragAndDrop);
     hud = new HUD(w,h, showFPSLevel, mDragAndDrop);
     mToolTips = new ToolTips(this);
     mScrollWindow = new ScrollWindow(*this);

files/mygui/openmw_trade_window_layout.xml

@@ -22,10 +22,10 @@
         </Widget>
 
         <Widget type="Widget" skin="" position="8 231 566 92" name="BottomPane" align="Left Bottom HStretch">
-            <Widget type="TextBox" skin="SandText" position="292 0 274 24" name="PlayerGold" align="Left Top HStretch">
+            <Widget type="TextBox" skin="SandText" position="192 0 374 24" name="PlayerGold" align="Left Top HStretch">
                 <Property key="TextAlign" value="Right"/>
             </Widget>
-            <Widget type="TextBox" skin="SandText" position="292 28 274 24" name="MerchantGold" align="Left Top HStretch">
+            <Widget type="TextBox" skin="SandText" position="192 28 374 24" name="MerchantGold" align="Left Top HStretch">
                 <Property key="TextAlign" value="Right"/>
             </Widget>