root = ui.window_from_dicttree(yaml.load(file('ui.yaml')))

ui.desktop.add_child(root)

ch = stackless.channel()

for id_ in [0, 1, 2, 3, 4, 5, 6, 7, 8, 9,

'delete', 'return', 'star', 'hash']:

button = ui.desktop.find_window(id_)

button.callback = lambda btn=button: ch.send(btn.label.text)

view = ui.desktop.find_window('view')

text = []

serial_no = 0

# In a dict so they can be updated from within inner functions.

# In Python 3 we'd use `nonlocal` vars.

current = {'value': None, 'serial': 0}

def get_current():

return current['value']

def set_current(val):

current['value'] = val

def wait_and_clear():

current['serial'] += 1

serial = current['serial']

start = time.time()

while time.time() - start < key_timeout:

stackless.schedule()

if current['serial'] == serial:

current['value'] = None

while True:

event = ch.receive()

if event == 'RET':

ui.desktop.remove_child(root)

return ''.join(text)

elif event == 'DEL':

set_current(None)

try:

del text[-1]

except IndexError:

pass

elif event == get_current():

index = (index + 1) % len(event)

text[-1] = event[index]

else:

set_current(event)

index = 0

text.append(event[0])

view.set_text(''.join(text))

w = pyglet.window.Window()

ui.init(w)

pyglet.clock.schedule(lambda dt: stackless.schedule())

stackless.tasklet(pyglet.app.run)()

open_window()

a = enhanced_user_input()

b = enhanced_user_input()

close_window()

import code

def interact():

w = open_window()

code.InteractiveConsole(locals=globals()).interact()

w.close()

stackless.tasklet(interact)()