tcod-base/game/ui/ui_button.py at main · input/tcod-base · GitHub

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"""A UI button."""

from __future__ import annotations

from collections.abc import Callable

import tcod.event
from tcod.event import KeySym


class UIButton():

    def __init__(self, label: str, key: KeySym, callback: Callable[[], None]) -> None:
        self.label = label
        self.key = key
        self.callback = callback

    def on_event(self, event: tcod.event.Event) -> None:
        """Handle events passed to the button."""

        match event:
            case tcod.event.KeyDown():
                if event.sym == self.key:
                    return self.callback()