5 files changed, 54 insertions, 4 deletions
diff --git a/indra/newview/llfloaterpay.cpp b/indra/newview/llfloaterpay.cpp
index 51364594e4..ba7526ccd5 100644
--- a/indra/newview/llfloaterpay.cpp
+++ b/indra/newview/llfloaterpay.cpp
@@ -145,6 +145,9 @@ LLFloaterPay::~LLFloaterPay()
 {
 	std::for_each(mCallbackData.begin(), mCallbackData.end(), DeletePointer());
 	// Name callbacks will be automatically disconnected since LLFloater is trackable
+	
+	// In case this floater is currently waiting for a reply.
+	gMessageSystem->setHandlerFuncFast(_PREHASH_PayPriceReply, 0, 0);
 }
 
 BOOL LLFloaterPay::postBuild()
diff --git a/indra/newview/llinspecttoast.cpp b/indra/newview/llinspecttoast.cpp
index 3ca8fa2f56..9a10a7ede8 100644
--- a/indra/newview/llinspecttoast.cpp
+++ b/indra/newview/llinspecttoast.cpp
@@ -55,7 +55,7 @@ public:
 private:
 	void onToastDestroy(LLToast * toast);
 
-private:
+	boost::signals2::scoped_connection mConnection;
 	LLPanel* mPanel;
 	LLScreenChannel* mScreenChannel;
 };
@@ -88,7 +88,7 @@ void LLInspectToast::onOpen(const LLSD& notification_id)
 		llwarns << "Could not get requested toast  from screen channel." << llendl;
 		return;
 	}
-	toast->setOnToastDestroyedCallback(boost::bind(&LLInspectToast::onToastDestroy, this, _1));
+	mConnection = toast->setOnToastDestroyedCallback(boost::bind(&LLInspectToast::onToastDestroy, this, _1));
 
 	LLPanel * panel = toast->getPanel();
 	panel->setVisible(TRUE);
diff --git a/indra/newview/llinventoryfunctions.cpp b/indra/newview/llinventoryfunctions.cpp
index 37088064c6..7e9a2cb716 100644
--- a/indra/newview/llinventoryfunctions.cpp
+++ b/indra/newview/llinventoryfunctions.cpp
@@ -245,6 +245,47 @@ BOOL get_is_item_worn(const LLUUID& id)
 	return FALSE;
 }
 
+BOOL get_can_item_be_worn(const LLUUID& id)
+{
+	const LLViewerInventoryItem* item = gInventory.getItem(id);
+	if (!item)
+		return FALSE;
+	
+	switch(item->getType())
+	{
+		case LLAssetType::AT_OBJECT:
+		{
+			if (isAgentAvatarValid() && gAgentAvatarp->isWearingAttachment(item->getLinkedUUID()))
+			{
+				// Already being worn
+				return FALSE;
+			}
+			else
+			{
+				// Not being worn yet.
+				return TRUE;
+			}
+			break;
+		}
+		case LLAssetType::AT_BODYPART:
+		case LLAssetType::AT_CLOTHING:
+			if(gAgentWearables.isWearingItem(item->getLinkedUUID()))
+			{
+				// Already being worn
+				return FALSE;
+			}
+			else
+			{
+				// Not being worn yet.
+				return TRUE;
+			}
+			break;
+		default:
+			break;
+	}
+	return FALSE;
+}
+
 BOOL get_is_item_removable(const LLInventoryModel* model, const LLUUID& id)
 {
 	if (!model)
diff --git a/indra/newview/llinventoryfunctions.h b/indra/newview/llinventoryfunctions.h
index 6619a50d28..1c3f82c531 100644
--- a/indra/newview/llinventoryfunctions.h
+++ b/indra/newview/llinventoryfunctions.h
@@ -46,6 +46,9 @@
 // Is this item or its baseitem is worn, attached, etc...
 BOOL get_is_item_worn(const LLUUID& id);
 
+// Could this item be worn (correct type + not already being worn)
+BOOL get_can_item_be_worn(const LLUUID& id);
+
 BOOL get_is_item_removable(const LLInventoryModel* model, const LLUUID& id);
 
 BOOL get_is_category_removable(const LLInventoryModel* model, const LLUUID& id);
diff --git a/indra/newview/llpaneloutfitedit.cpp b/indra/newview/llpaneloutfitedit.cpp
index 1544717873..ffd879dfd7 100644
--- a/indra/newview/llpaneloutfitedit.cpp
+++ b/indra/newview/llpaneloutfitedit.cpp
@@ -661,10 +661,13 @@ void LLPanelOutfitEdit::onInventorySelectionChange()
 	getSelectedItemsUUID(selected_items);
 	if (selected_items.empty())
 	{
+		mPlusBtn->setEnabled(false);
 		return;
 	}
-	uuid_vec_t::iterator worn_item = std::find_if(selected_items.begin(), selected_items.end(), boost::bind(&get_is_item_worn, _1));
-	bool can_add = ( worn_item == selected_items.end() );
+
+	// If any of the selected items are not wearable (due to already being worn OR being of the wrong type), disable the add button.
+	uuid_vec_t::iterator unwearable_item = std::find_if(selected_items.begin(), selected_items.end(), !boost::bind(& get_can_item_be_worn, _1));
+	bool can_add = ( unwearable_item == selected_items.end() );
 
 	mPlusBtn->setEnabled(can_add);