DialogTypedData.py

from  tkinter import *

class DialogTypedData:

    def __init__(self, parent,mensagem):
        
        self.bExit = True
        top = self.top = Toplevel(parent)

        
        Label(top, text=mensagem).pack()

        self.e = Entry(top,width=70) # entrada de dados
        self.e.pack(padx=5)
        self.e.focus_set()

        self.valor = ""
        b = Button(top, text="OK", command=self.ok)
        b.pack(pady=5)

        ######################################################
        # centraliza a janela
        # Obtem a altura e largura da janela
        windowWidth = parent.winfo_reqwidth()
        windowHeight = parent.winfo_reqheight()
        print("Width",windowWidth,"Height",windowHeight)
        
        # Obtem a posicao central
        positionRight = int(parent.winfo_screenwidth()/2 - windowWidth/2)
        positionDown  = int(parent.winfo_screenheight()/2 - windowHeight/2)
        
        # centraliza a janela
        top.geometry("+{}+{}".format(positionRight, positionDown))
   

    def ok(self):
        self.bExit = False
        print ("value is", self.e.get())
        self.valor = self.e.get()        
        self.top.destroy()

   

############################

#root=Tk()
#sizex = 600
#sizey = 400
#posx  = 20
#posy  = 10
#root.wm_geometry("%dx%d+%d+%d" % (sizex, sizey, posx, posy))


#itemsforlistbox=['one','two','three','four','five','six','seven','eight 8888888888888888888888888888888888888888888']
#d = DialogTypedData(root,'selecione a opcao:')

#root.wait_window(d.top)
#print(d.valor)
#print(d.bExit)


#root.mainloop()

#############################