def showpopup(self, event, item):
    global r

    if str(event.type) == "Enter":
        r = tk.Tk()
        r.geometry("400x900+{:}+{:}".format(self.winfo_rootx()+840, self.winfo_rooty()))
        r.wm_title("Pop UP")
        r.overrideredirect(True)
        im = Image.open(os.path.join(images_db_dir, "a.png"))
        imaitem = ImageTk.PhotoImage(im)
        r.columnconfigure(0, weight=1)
        r.rowconfigure(0, weight=1)

        mf = tk.Frame(r)
        mf.grid(row = 0, column=0, sticky="nsew")

        mf.grid_columnconfigure(0, weight=1)
        f1, f2 = tk.Frame(mf, , tk.Frame(mf, background="red")
        f1.place(x=5, y=5, anchor="nw", width=390, height=390)
        f2.place(x=0, y=405, anchor="nw", width=400, height=400)

        l = tk.Label(f1, image = imaitem)
        l.image = imaitem
        l.grid()
        r.mainloop()

    elif str(event.type) == "Leave":
        r.destroy()