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from __future__ import annotations
import typing
import urwid
if typing.TYPE_CHECKING:
from collections.abc import Callable, Hashable, MutableSequence
class ActionButton(urwid.Button):
def __init__(
self,
caption: str | tuple[Hashable, str] | list[str | tuple[Hashable, str]],
callback: Callable[[ActionButton], typing.Any],
) -> None:
super().__init__("", on_press=callback)
self._w = urwid.AttrMap(urwid.SelectableIcon(caption, 1), None, focus_map="reversed")
class Place(urwid.WidgetWrap[ActionButton]):
def __init__(self, name: str, choices: MutableSequence[urwid.Widget]) -> None:
super().__init__(ActionButton([" > go to ", name], self.enter_place))
self.heading = urwid.Text(["\nLocation: ", name, "\n"])
self.choices = choices
# create links back to ourself
for child in choices:
getattr(child, "choices", []).insert(0, self)
def enter_place(self, button: ActionButton) -> None:
game.update_place(self)
class Thing(urwid.WidgetWrap[ActionButton]):
def __init__(self, name: str) -> None:
super().__init__(ActionButton([" * take ", name], self.take_thing))
self.name = name
def take_thing(self, button: ActionButton) -> None:
self._w = urwid.Text(f" - {self.name} (taken)")
game.take_thing(self)
def exit_program(button: ActionButton) -> typing.NoReturn:
raise urwid.ExitMainLoop()
map_top = Place(
"porch",
[
Place(
"kitchen",
[
Place("refrigerator", []),
Place("cupboard", [Thing("jug")]),
],
),
Place(
"garden",
[
Place(
"tree",
[
Thing("lemon"),
Thing("bird"),
],
),
],
),
Place(
"street",
[
Place("store", [Thing("sugar")]),
Place(
"lake",
[Place("beach", [])],
),
],
),
],
)
class AdventureGame:
def __init__(self) -> None:
self.log = urwid.SimpleFocusListWalker([])
self.top = urwid.ListBox(self.log)
self.inventory = set()
self.update_place(map_top)
def update_place(self, place: Place) -> None:
if self.log: # disable interaction with previous place
self.log[-1] = urwid.WidgetDisable(self.log[-1])
self.log.append(urwid.Pile([place.heading, *place.choices]))
self.top.focus_position = len(self.log) - 1
self.place = place
def take_thing(self, thing: Thing) -> None:
self.inventory.add(thing.name)
if self.inventory >= {"sugar", "lemon", "jug"}:
response = urwid.Text("You can make lemonade!\n")
done = ActionButton(" - Joy", exit_program)
self.log[:] = [response, done]
else:
self.update_place(self.place)
game = AdventureGame()
urwid.MainLoop(game.top, palette=[("reversed", "standout", "")]).run()
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