diff --git a/src/UI/SlotArea.cpp b/src/UI/SlotArea.cpp
index 48ebf489b..3e171a444 100644
--- a/src/UI/SlotArea.cpp
+++ b/src/UI/SlotArea.cpp
@@ -15,6 +15,7 @@
 #include "../Root.h"
 #include "../FastRandom.h"
 #include "../BlockArea.h"
+#include "polarssl/camellia.h"
 
 
 
@@ -60,12 +61,16 @@ void cSlotArea::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickA
 			ShiftClicked(a_Player, a_SlotNum, a_ClickedItem);
 			return;
 		}
-		
 		case caDblClick:
 		{
 			DblClicked(a_Player, a_SlotNum);
 			return;
 		}
+		case caMiddleClick:
+		{
+			MiddleClicked(a_Player, a_SlotNum);
+			return;
+		}
 		default:
 		{
 			break;
@@ -226,6 +231,24 @@ void cSlotArea::DblClicked(cPlayer & a_Player, int a_SlotNum)
 
 
 
+void cSlotArea::MiddleClicked(cPlayer & a_Player, int a_SlotNum)
+{
+	cItem Slot(*GetSlot(a_SlotNum, a_Player));
+	cItem & DraggingItem = a_Player.GetDraggingItem();
+
+	if (!a_Player.IsGameModeCreative() || Slot.IsEmpty() || !DraggingItem.IsEmpty())
+	{
+		return;
+	}
+
+	DraggingItem = Slot;
+	DraggingItem.m_ItemCount = DraggingItem.GetMaxStackSize();
+}
+
+
+
+
+
 void cSlotArea::OnPlayerAdded(cPlayer & a_Player)
 {
 	UNUSED(a_Player);
@@ -410,6 +433,12 @@ cSlotAreaCrafting::cSlotAreaCrafting(int a_GridSize, cWindow & a_ParentWindow) :
 
 void cSlotAreaCrafting::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickAction, const cItem & a_ClickedItem)
 {
+	if (a_ClickAction == caMiddleClick)
+	{
+		MiddleClicked(a_Player, a_SlotNum);
+		return;
+	}
+
 	// Override for craft result slot
 	if (a_SlotNum == 0)
 	{
@@ -423,6 +452,7 @@ void cSlotAreaCrafting::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction
 		}
 		return;
 	}
+
 	super::Clicked(a_Player, a_SlotNum, a_ClickAction, a_ClickedItem);
 	UpdateRecipe(a_Player);
 }
@@ -651,15 +681,27 @@ void cSlotAreaAnvil::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_C
 		return;
 	}
 
-	if (a_ClickAction == caDblClick)
+	switch (a_ClickAction)
 	{
-		return;
-	}
-
-	if ((a_ClickAction == caShiftLeftClick) || (a_ClickAction == caShiftRightClick))
-	{
-		ShiftClicked(a_Player, a_SlotNum, a_ClickedItem);
-		return;
+		case caDblClick:
+		{
+			return;
+		}
+		case caShiftLeftClick:
+		case caShiftRightClick:
+		{
+			ShiftClicked(a_Player, a_SlotNum, a_ClickedItem);
+			return;
+		}
+		case caMiddleClick:
+		{
+			MiddleClicked(a_Player, a_SlotNum);
+			return;
+		}
+		default:
+		{
+			break;
+		}
 	}
 
 	cItem Slot(*GetSlot(a_SlotNum, a_Player));
@@ -1057,12 +1099,16 @@ void cSlotAreaEnchanting::Clicked(cPlayer & a_Player, int a_SlotNum, eClickActio
 			ShiftClicked(a_Player, a_SlotNum, a_ClickedItem);
 			return;
 		}
-		
 		case caDblClick:
 		{
 			DblClicked(a_Player, a_SlotNum);
 			return;
 		}
+		case caMiddleClick:
+		{
+			MiddleClicked(a_Player, a_SlotNum);
+			return;
+		}
 		default:
 		{
 			break;
@@ -1414,6 +1460,12 @@ void cSlotAreaFurnace::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a
 			return;
 		}
 
+		if (a_ClickAction == caMiddleClick)
+		{
+			MiddleClicked(a_Player, a_SlotNum);
+			return;
+		}
+
 		cItem & DraggingItem = a_Player.GetDraggingItem();
 		if (!DraggingItem.IsEmpty())
 		{
@@ -1676,16 +1728,28 @@ void cSlotAreaArmor::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_C
 		return;
 	}
 
-	if ((a_ClickAction == caShiftLeftClick) || (a_ClickAction == caShiftRightClick))
+	switch (a_ClickAction)
 	{
-		ShiftClicked(a_Player, a_SlotNum, a_ClickedItem);
-		return;
-	}
-
-	// Armors haven't a dbl click
-	if (a_ClickAction == caDblClick)
-	{
-		return;
+		case caDblClick:
+		{
+			// Armors haven't a dbl click
+			return;
+		}
+		case caShiftLeftClick:
+		case caShiftRightClick:
+		{
+			ShiftClicked(a_Player, a_SlotNum, a_ClickedItem);
+			return;
+		}
+		case caMiddleClick:
+		{
+			MiddleClicked(a_Player, a_SlotNum);
+			return;
+		}
+		default:
+		{
+			break;
+		}
 	}
 
 	cItem Slot(*GetSlot(a_SlotNum, a_Player));
diff --git a/src/UI/SlotArea.h b/src/UI/SlotArea.h
index b4b693cf6..b72450a58 100644
--- a/src/UI/SlotArea.h
+++ b/src/UI/SlotArea.h
@@ -46,10 +46,13 @@ public:
 	
 	/// Called from Clicked when the action is a shiftclick (left or right)
 	virtual void ShiftClicked(cPlayer & a_Player, int a_SlotNum, const cItem & a_ClickedItem);
-	
+
 	/// Called from Clicked when the action is a caDblClick
 	virtual void DblClicked(cPlayer & a_Player, int a_SlotNum);
-	
+
+	/** Called from Clicked when the action is a middleclick */
+	virtual void MiddleClicked(cPlayer & a_Player, int a_SlotNum);
+
 	/// Called when a new player opens the same parent window. The window already tracks the player. CS-locked.
 	virtual void OnPlayerAdded(cPlayer & a_Player);