toggle 'enalbled' key added

diff --git a/AutoTurnIn.lua b/AutoTurnIn.lua
index 47b87c7..719c925 100644
--- a/AutoTurnIn.lua
+++ b/AutoTurnIn.lua
@@ -1,13 +1,12 @@
 local addonName, ptable = ...
 local L = ptable.L
 AutoTurnIn = LibStub("AceAddon-3.0"):NewAddon("AutoTurnIn", "AceEvent-3.0", "AceConsole-3.0")
-
 AutoTurnIn.defaults = {enabled = true, all = false, dontloot = true, tournament = 2, darkmoonteleport=true, togglekey=1}

 -- quest autocomplete handlers and functions
 function AutoTurnIn:OnEnable()
 	local vers = GetAddOnMetadata(addonName, "Version")
-
+
 	if (not AutoTurnInDB) or (not AutoTurnInDB.version or (AutoTurnInDB.version < vers)) then
 		AutoTurnInCharacterDB = nil
 		_G.AutoTurnInDB = {version = vers}
@@ -15,10 +14,8 @@ function AutoTurnIn:OnEnable()
 	end
 	if not AutoTurnInCharacterDB then
 		_G.AutoTurnInCharacterDB = CopyTable(AutoTurnIn.defaults)
-	end
-	if AutoTurnInCharacterDB.enabled then
-		self:RegisterGossipEvents()
-	end
+	end
+	self:RegisterGossipEvents()
 end

 function AutoTurnIn:RegisterGossipEvents()
@@ -37,15 +34,9 @@ function AutoTurnIn:OnInitialize()
 	self:RegisterChatCommand("au", "ConsoleComand")
 end

-local p1 = {
-	[true]=L["enabled"],
-	[false]=L["disabled"]
-}
-local p2 = {
-	[true]=L["all"],
-	[false]=L["list"]
-}
-
+local p1 = {[true]=L["enabled"], [false]=L["disabled"]}
+local p2 = {[true]=L["all"], [false]=L["list"]}
+local funcList = {[1] = function() return false end, [2]=IsAltKeyDown, [3]=IsControlKeyDown, [4]=IsShiftKeyDown}

 function AutoTurnIn:ConsoleComand(arg)
 	arg = strlower(arg)
@@ -84,8 +75,20 @@ local function GetItemAmount(isCurrency, item)
 	return amount and amount or 0
 end

+local function AllowedToHandle()
+	-- Double 'not' converts possible 'nil' to boolean representation
+	local IsModifiedClick = not not funcList[AutoTurnInCharacterDB.togglekey]()
+	-- it's a simple xor implementation (a ~= b)
+	AutoTurnIn.allowed = (not not AutoTurnInCharacterDB.enabled) ~= (IsModifiedClick)
+	return AutoTurnIn.allowed
+end
+
 -- OldGossip interaction system. Burn in hell See http://wowprogramming.com/docs/events/QUEST_GREETING
 function AutoTurnIn:QUEST_GREETING()
+	if (not AllowedToHandle()) then
+		return
+	end
+
 	for index=1, GetNumActiveQuests() do
 		local quest, completed = GetActiveTitle(index)
 		if (AutoTurnInCharacterDB.all or L.quests[quest]) and (completed) then
@@ -96,12 +99,16 @@ end

 -- (gaq[i+3]) equals "1" if quest is complete, "nil" otherwise
 -- why not 	gaq={GetGossipAvailableQuests()}? Well, tables in lua are truncated for values with ending `nil`. So: '#' for {1,nil, "b", nil} returns 1
-function AutoTurnIn:GOSSIP_SHOW()
+function AutoTurnIn:GOSSIP_SHOW()
+	if (not AllowedToHandle()) then
+		return
+	end
+
 	if (AutoTurnInCharacterDB.darkmoonteleport and (L["DarkmoonFaireTeleport"]==UnitName("target"))) then
 		SelectGossipOption(1)
 		StaticPopup1Button1:Click()
 	end
-
+
 	local function VarArgForActiveQuests(...)
 		for i=1, select("#", ...), 4 do
 			local completeStatus = select(i+3, ...)
@@ -140,13 +147,13 @@ function AutoTurnIn:GOSSIP_SHOW()
 			end
 		end
 	end
-
+
 	VarArgForActiveQuests(GetGossipActiveQuests())
 	VarArgForAvailableQuests(GetGossipAvailableQuests())
 end

 function AutoTurnIn:QUEST_DETAIL()
-	if AutoTurnInCharacterDB.all or L.quests[GetTitleText()] then
+	if AutoTurnIn.allowed and (AutoTurnInCharacterDB.all or L.quests[GetTitleText()]) then
 		QuestInfoDescriptionText:SetAlphaGradient(0, math.huge)
 		QuestInfoDescriptionText:SetAlpha(1)
 		AcceptQuest()
@@ -154,12 +161,16 @@ function AutoTurnIn:QUEST_DETAIL()
 end

 function AutoTurnIn:QUEST_PROGRESS()
-    if (AutoTurnInCharacterDB.all or L.quests[GetTitleText()]) and IsQuestCompletable() then
+    if  AutoTurnIn.allowed and (AutoTurnInCharacterDB.all or L.quests[GetTitleText()]) and IsQuestCompletable() then
 		CompleteQuest()
     end
 end

 function AutoTurnIn:QUEST_COMPLETE()
+	if not AutoTurnIn.allowed then
+		return
+	end
+
 	if (AutoTurnInCharacterDB.showrewardtext) then
 		local gossip = UnitName("target")
 		self:Print(gossip)
diff --git a/options.lua b/options.lua
index 437cd4c..9b3aa26 100644
--- a/options.lua
+++ b/options.lua
@@ -100,7 +100,7 @@ end)
 -- Auto toggle key
 local ToggleKeyLabel = OptionsPanel:CreateFontString(nil, "ARTWORK", "GameFontNormal")
 ToggleKeyLabel:SetText("Toggle AutoTurnIn key")
-local ToggleKeyConst = {NONE_KEY,ALT_KEY,CTRL_KEY,SHIFT_KEY}
+local ToggleKeyConst = {NONE_KEY, ALT_KEY, CTRL_KEY, SHIFT_KEY}
 local ToggleKeyDropDown = CreateFrame("Frame", O.."ToggleKeyDropDown", OptionsPanel, "UIDropDownMenuTemplate")
 UIDropDownMenu_Initialize(ToggleKeyDropDown, function (self, level)
     for k, v in ipairs(ToggleKeyConst) do
@@ -162,13 +162,6 @@ OptionsPanel.default = function()
 end

 OptionsPanel.okay = function()
-	if (AutoTurnInCharacterDB.enabled ~= TempConfig.enabled) then
-		if TempConfig.enabled then
-			AutoTurnIn:RegisterGossipEvents()
-		else
-			AutoTurnIn:UnregisterAllEvents()
-		end
-	end
 	AutoTurnInCharacterDB = CopyTable(TempConfig)
 end