3 files changed, 237 insertions, 41 deletions

diff --git a/src/UI/SlotArea.cpp b/src/UI/SlotArea.cpp
index 4df04c9e2..e220960ff 100644
--- a/src/UI/SlotArea.cpp
+++ b/src/UI/SlotArea.cpp
@@ -60,12 +60,35 @@ 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;
+		}
+		case caDropKey:
+		case caCtrlDropKey:
+		{
+			DropClicked(a_Player, a_SlotNum, (a_ClickAction == caCtrlDropKey));
+			return;
+		}
+		case caNumber1:
+		case caNumber2:
+		case caNumber3:
+		case caNumber4:
+		case caNumber5:
+		case caNumber6:
+		case caNumber7:
+		case caNumber8:
+		case caNumber9:
+		{
+			NumberClicked(a_Player, a_SlotNum, a_ClickAction);
+			return;
+		}
 		default:
 		{
 			break;
@@ -226,6 +249,77 @@ 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::DropClicked(cPlayer & a_Player, int a_SlotNum, bool a_DropStack)
+{
+	cItem Slot(*GetSlot(a_SlotNum, a_Player));
+	if (Slot.IsEmpty())
+	{
+		return;
+	}
+
+	cItem ItemToDrop = Slot.CopyOne();
+	if (a_DropStack)
+	{
+		ItemToDrop.m_ItemCount = Slot.m_ItemCount;
+	}
+
+	Slot.m_ItemCount -= ItemToDrop.m_ItemCount;
+	if (Slot.m_ItemCount <= 0)
+	{
+		Slot.Empty();
+	}
+	SetSlot(a_SlotNum, a_Player, Slot);
+
+	a_Player.TossPickup(ItemToDrop);
+}
+
+
+
+
+
+void cSlotArea::NumberClicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickAction)
+{
+	if ((a_ClickAction < caNumber1) || (a_ClickAction > caNumber9))
+	{
+		return;
+	}
+
+	int HotbarSlot = (int)a_ClickAction - (int)caNumber1;
+	cItem ItemInHotbar(a_Player.GetInventory().GetHotbarSlot(HotbarSlot));
+	cItem ItemInSlot(*GetSlot(a_SlotNum, a_Player));
+
+	// The items are equal. Do nothing.
+	if (ItemInHotbar.IsEqual(ItemInSlot))
+	{
+		return;
+	}
+
+	a_Player.GetInventory().SetHotbarSlot(HotbarSlot, ItemInSlot);
+	SetSlot(a_SlotNum, a_Player, ItemInHotbar);
+}
+
+
+
+
+
 void cSlotArea::OnPlayerAdded(cPlayer & a_Player)
 {
 	UNUSED(a_Player);
@@ -410,6 +504,12 @@ 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)
 	{
@@ -417,12 +517,17 @@ void cSlotAreaCrafting::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction
 		{
 			ShiftClickedResult(a_Player);
 		}
+		else if ((a_ClickAction == caDropKey) || (a_ClickAction == caCtrlDropKey))
+		{
+			DropClickedResult(a_Player);
+		}
 		else
 		{
 			ClickedResult(a_Player);
 		}
 		return;
 	}
+
 	super::Clicked(a_Player, a_SlotNum, a_ClickAction, a_ClickedItem);
 	UpdateRecipe(a_Player);
 }
@@ -582,6 +687,27 @@ void cSlotAreaCrafting::ShiftClickedResult(cPlayer & a_Player)
 
 
 
+void cSlotAreaCrafting::DropClickedResult(cPlayer & a_Player)
+{
+	// Get the current recipe:
+	cCraftingRecipe & Recipe = GetRecipeForPlayer(a_Player);
+	const cItem & Result = Recipe.GetResult();
+
+	cItem * PlayerSlots = GetPlayerSlots(a_Player) + 1;
+	cCraftingGrid Grid(PlayerSlots, m_GridSize, m_GridSize);
+
+	a_Player.TossPickup(Result);
+	Recipe.ConsumeIngredients(Grid);
+	Grid.CopyToItems(PlayerSlots);
+
+	HandleCraftItem(Result, a_Player);
+	UpdateRecipe(a_Player);
+}
+
+
+
+
+
 void cSlotAreaCrafting::UpdateRecipe(cPlayer & a_Player)
 {
 	cCraftingGrid   Grid(GetPlayerSlots(a_Player) + 1, m_GridSize, m_GridSize);
@@ -669,15 +795,37 @@ void cSlotAreaAnvil::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_C
 		return;
 	}
 
-	if (a_ClickAction == caDblClick)
-	{
-		return;
-	}
-
-	if ((a_ClickAction == caShiftLeftClick) || (a_ClickAction == caShiftRightClick))
+	switch (a_ClickAction)
 	{
-		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;
+		}
+		case caDropKey:
+		case caCtrlDropKey:
+		{
+			if (CanTakeResultItem(a_Player))
+			{
+				DropClicked(a_Player, a_SlotNum, true);
+				OnTakeResult(a_Player);
+			}
+			return;
+		}
+		default:
+		{
+			break;
+		}
 	}
 
 	cItem Slot(*GetSlot(a_SlotNum, a_Player));
@@ -1075,12 +1223,16 @@ 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;
@@ -1425,11 +1577,32 @@ void cSlotAreaFurnace::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a
 			bAsync = true;
 		}
 
-		if ((a_ClickAction == caShiftLeftClick) || (a_ClickAction == caShiftRightClick))
+		switch (a_ClickAction)
 		{
-			HandleSmeltItem(Slot, a_Player);
-			ShiftClicked(a_Player, a_SlotNum, Slot);
-			return;
+			case caShiftLeftClick:
+			case caShiftRightClick:
+			{
+				HandleSmeltItem(Slot, a_Player);
+				ShiftClicked(a_Player, a_SlotNum, Slot);
+				return;
+			}
+			case caMiddleClick:
+			{
+				MiddleClicked(a_Player, a_SlotNum);
+				return;
+			}
+			case caDropKey:
+			case caCtrlDropKey:
+			{
+				DropClicked(a_Player, a_SlotNum, (a_SlotNum == caCtrlDropKey));
+				Slot.m_ItemCount = Slot.m_ItemCount - GetSlot(a_SlotNum, a_Player)->m_ItemCount;
+				HandleSmeltItem(Slot, a_Player);
+				return;
+			}
+			default:
+			{
+				break;
+			}
 		}
 
 		cItem & DraggingItem = a_Player.GetDraggingItem();
@@ -1607,6 +1780,12 @@ void cSlotAreaInventoryBase::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAc
 {
 	if (a_Player.IsGameModeCreative() && (m_ParentWindow.GetWindowType() == cWindow::wtInventory))
 	{
+		if ((a_ClickAction == caDropKey) || (a_ClickAction == caCtrlDropKey))
+		{
+			DropClicked(a_Player, a_SlotNum, (a_ClickAction == caCtrlDropKey));
+			return;
+		}
+		
 		// Creative inventory must treat a_ClickedItem as a DraggedItem instead, replacing the inventory slot with it
 		SetSlot(a_SlotNum, a_Player, a_ClickedItem);
 		return;
@@ -1694,16 +1873,28 @@ void cSlotAreaArmor::Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_C
 		return;
 	}
 
-	if ((a_ClickAction == caShiftLeftClick) || (a_ClickAction == caShiftRightClick))
-	{
-		ShiftClicked(a_Player, a_SlotNum, a_ClickedItem);
-		return;
-	}
-
-	// Armors haven't a dbl click
-	if (a_ClickAction == caDblClick)
+	switch (a_ClickAction)
 	{
-		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 e271ea454..3dc5c3849 100644
--- a/src/UI/SlotArea.h
+++ b/src/UI/SlotArea.h
@@ -46,10 +46,19 @@ 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 from Clicked when the action is a drop click. */
+	virtual void DropClicked(cPlayer & a_Player, int a_SlotNum, bool a_DropStack);
+
+	/** Called from Clicked when the action is a number click. */
+	virtual void NumberClicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickAction);
+
 	/// Called when a new player opens the same parent window. The window already tracks the player. CS-locked.
 	virtual void OnPlayerAdded(cPlayer & a_Player);
 	
@@ -237,6 +246,7 @@ public:
 	// Distributing items into this area is completely disabled
 	virtual void DistributeStack(cItem & a_ItemStack, cPlayer & a_Player, bool a_ShouldApply, bool a_KeepEmptySlots) override;
 
+
 protected:
 	/// Maps player's EntityID -> current recipe; not a std::map because cCraftingGrid needs proper constructor params
 	typedef std::list<std::pair<int, cCraftingRecipe> > cRecipeMap;
@@ -249,7 +259,10 @@ protected:
 	
 	/// Handles a shift-click in the result slot. Crafts using the current recipe until it changes or no more space for result.
 	void ShiftClickedResult(cPlayer & a_Player);
-	
+
+	/** Handles a drop-click in the result slot. */
+	void DropClickedResult(cPlayer & a_Player);
+
 	/// Updates the current recipe and result slot based on the ingredients currently in the crafting grid of the specified player
 	void UpdateRecipe(cPlayer & a_Player);
 	
diff --git a/src/UI/Window.cpp b/src/UI/Window.cpp
index 381c6e121..ebdc1aea8 100644
--- a/src/UI/Window.cpp
+++ b/src/UI/Window.cpp
@@ -178,6 +178,7 @@ void cWindow::Clicked(
 
 	switch (a_ClickAction)
 	{
+		case caLeftClickOutside:
 		case caRightClickOutside:
 		{
 			if (PlgMgr->CallHookPlayerTossingItem(a_Player))
@@ -190,25 +191,16 @@ void cWindow::Clicked(
 				a_Player.TossPickup(a_ClickedItem);
 			}
 
-			// Toss one of the dragged items:
-			a_Player.TossHeldItem();
-			return;
-		}
-		case caLeftClickOutside:
-		{
-			if (PlgMgr->CallHookPlayerTossingItem(a_Player))
+			if (a_ClickAction == caLeftClickOutside)
 			{
-				// A plugin doesn't agree with the tossing. The plugin itself is responsible for handling the consequences (possible inventory mismatch)
-				return;
+				// Toss all dragged items:
+				a_Player.TossHeldItem(a_Player.GetDraggingItem().m_ItemCount);
 			}
-
-			if (a_Player.IsGameModeCreative())
+			else
 			{
-				a_Player.TossPickup(a_ClickedItem);
+				// Toss one of the dragged items:
+				a_Player.TossHeldItem();
 			}
-
-			// Toss all dragged items:
-			a_Player.TossHeldItem(a_Player.GetDraggingItem().m_ItemCount);
 			return;
 		}
 		case caLeftClickOutsideHoldNothing: