Update TreeView (old uncommitted work).
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import locale
locale.setlocale(locale.LC_ALL, '')
import os
from tuikit.application import Application
from tuikit.scrollview import ScrollView
from tuikit.editbox import EditBox
class MyApplication(Application):
    def __init__(self):
        Application.__init__(self)
        self.top.add_handler('keypress', self.on_top_keypress)
        t = open('tuikit/widget.py').read()
        editbox = EditBox(t)
        scroll = ScrollView()
        scroll.add(editbox)
        self.top.add(scroll, halign='fill', valign='fill')
    def on_top_keypress(self, ev):
        if ev.keyname == 'escape':
            self.terminate()
            return True
if __name__ == '__main__':
    os.environ['ESCDELAY'] = '25' # do not wait 1 second after pressing Escape key
    app = MyApplication()
    app.start()