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from __future__ import annotations
import urwid
class SelectablePudding(urwid.Widget):
_sizing = frozenset(['flow'])
_selectable = True
def __init__(self):
self.pudding = "pudding"
def rows(self, size, focus=False):
return 1
def render(self, size, focus=False):
(maxcol,) = size
num_pudding = maxcol / len(self.pudding)
pudding = self.pudding
if focus:
pudding = pudding.upper()
return urwid.TextCanvas([pudding * num_pudding],
maxcol=maxcol)
def keypress(self, size, key):
(maxcol,) = size
if len(key) > 1:
return key
if key.lower() in self.pudding:
# remove letter from pudding
n = self.pudding.index(key.lower())
self.pudding = self.pudding[:n] + self.pudding[n+1:]
if not self.pudding:
self.pudding = "pudding"
self._invalidate()
else:
return key
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