Update TableView (old uncommitted work).
#!/usr/bin/env python3
import demobase
from tuikit.core.application import Application
from tuikit.widgets.label import Label
from tuikit.widgets.button import Button
from tuikit.widgets.textfield import TextField
label = Label('Hello there!')
label.pos.update(20, 10)
button = Button()
button.pos.update(20, 20)
field = TextField('text field')
field.pos.update(20, 30)
app = Application()
app.root_window.add(label)
app.root_window.add(button)
app.root_window.add(field)
app.root_window.focus_child = field
app.start()