mob/verb/CloseInventory()
    winshow(src,"Inventory",0) //Hide the inventory window!

mob/verb/Inventory()
    set hidden = 1
    winshow(src,"Inventory",1) //Show the inventory window!
    var/Position = winget(src, "default", "pos") // Get the position of the "default" window and assign it to a var called "Position"
    winset(src,"Inventory","pos='[Position]'") // Set the position of the "Inventory" window to the same position as our main window.

    src.client.screen = null


    for(var/Column = 1 to 5) for(var/Row = 1 to 5) //Create a grid composed of 5 columns and 5 rows.
        var/Grid/G = new
        G.screen_loc = "Inv:[Row],[Column]"
        src.client.screen += G
    for(var/obj/items/I in src.contents)
        src.AddItems(I) //Generate the items on slots.

mob/proc/AddItems(obj/items/I)
    for(var/Grid/G in src.client.screen)
        if(G.used) continue
        I.screen_loc = G.screen_loc ; src.client.screen+=I
        G.used =1 ; return



Grid
    parent_type = /obj
    icon = 'Inventory_slot.dmi'
    icon_state = "Grid"
    var/used = 0

mob/proc/Description(obj/items/I)
    winshow(src,"Description",1) // Show the description window
    var/Position = winget(src, "Inventory", "pos") // Get the position of the "Inventory" window and assign it to a var called "Position"
    winset(src,"Description","pos='[Position]'") // Set the position of the "Description" window to the same position as our inventory.
    winset(src,"Description.Text","text='This is a [I]'") // Add some text to describe that item...

mob/verb/CloseDescription()
    set hidden = 1
    winshow(src,"Description",0) // Hide the description window


//dragging items and dropping in inventory

obj/items
    MouseDrag(src_object,over_object,src_location,over_location,src_control,over_control,params)// When we drag it...
        if(!(src in usr.contents)) return // If its not in our inventory...just cancel ...
        var/icon/I = new(src.icon,src.icon_state)//this is so the cursor icon transforms into the item itself...cool little effect.
        mouse_drag_pointer = I // now lets set the mouse cursor to that.

    MouseDrop(over_object=src,src_location,over_location, src_control,over_control,params) //When we drop it...
        if(over_control =="Inventory.Inv") //If its inside the inventory window.
            var/obj/O = over_object
            src.screen_loc = O.screen_loc //Move the object on the new slot.