[Window]

Fix for adjusting the window position to match mouse location when tearing from dock.

close #60

Internal/UI/Dock.lua

@@ -290,6 +290,16 @@ function Dock.UpdateTear(WinId, X, Y)
 	end
 end
 
+function Dock.GetCachedOptions(WinId)
+	for Id, Instance in pairs(Instances) do
+		if Instance.Window == WinId then
+			return Instance.CachedOptions
+		end
+	end
+
+	return nil
+end
+
 function Dock.Toggle(List, Enabled)
 	List = List == nil and {} or List
 	Enabled = Enabled == nil and true or Enabled

Internal/UI/Window.lua

@@ -187,8 +187,14 @@ local function UpdateTitleBar(Instance, IsObstructed, AllowMove)
 		elseif IsTethered then
 			Dock.UpdateTear(Instance.Id, MouseX, MouseY)
 
+			local Options = Dock.GetCachedOptions(Instance.Id)
 			if not Dock.IsTethered(Instance.Id) then
 				Instance.IsMoving = true
+
+				if Options ~= nil then
+					Instance.TitleDeltaX = MouseX - Options.X - (MouseX - Instance.X)
+					Instance.TitleDeltaY = MouseY - Options.Y - (MouseY - Instance.Y + H)
+				end
 			end
 		end
 	end
@@ -219,6 +225,10 @@ local function UpdateSize(Instance, IsObstructed)
 			return
 		end
 
+		if MovingInstance ~= nil then
+			return
+		end
+
 		local X = Instance.X
 		local Y = Instance.Y
 		local W = Instance.W