Update FixedLayout. Add demo launcher.
#!/usr/bin/env python3
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!')
button1 = Button()
button2 = Button()
field = TextField('text field')
app = Application()
app.root_window.add(label, 20, 10)
app.root_window.add(button1, 20, 20)
app.root_window.add(button2, 30, 20)
app.root_window.add(field, 20, 30)
app.root_window.focus_widget = field
def on_keypress(ev):
if ev.keyname == 'escape':
app.stop()
app.window_manager.sig_keypress.connect(on_keypress)
app.start()