def PopupOk(text, title='', btn_text='Continue', input=None, callback=None):
btnclose = Button(text=btn_text, size_hint_y=None, height='50sp')
content = BoxLayout(orientation='vertical')
p = Popup(title=title, content=content, size=('300dp', '300dp'),
size_hint=(None, None), pos_hint={'top':.95})
content.add_widget(Label(text=text))
if input is not None:
assert callback is not None
ti = TextInput(height='50sp', font_size='30sp', input_type=input,
multiline=False, size_hint_y = None, focus=True)
content.add_widget(ti)
def _callback(*args):
try:
ti.hide_keyboard()
except AttributeError:
# On a real computer, not the phone
pass
if ti.text == '':
callback(None)
else:
callback(ti.text)
p.bind(on_dismiss=_callback)
p.is_visable = True
content.add_widget(btnclose)
btnclose.bind(on_release=p.dismiss)
p.open()
if input is not None:
while not p.is_visable:
EventLoop.idle()
return ti.text
