Source code for bauiv1lib.qrcode

# Released under the MIT License. See LICENSE for details.
#
"""Provides functionality for displaying QR codes."""
from __future__ import annotations

from typing import override

import bauiv1 as bui

from bauiv1lib.popup import PopupWindow




class QRCodeWindow(PopupWindow):
    """Popup window that shows a QR code."""

    def __init__(self, origin_widget: bui.Widget, qr_tex: bui.Texture):
        position = origin_widget.get_screen_space_center()
        assert bui.app.classic is not None
        uiscale = bui.app.ui_v1.uiscale
        scale = (
            2.3
            if uiscale is bui.UIScale.SMALL
            else 1.65 if uiscale is bui.UIScale.MEDIUM else 1.23
        )
        self._transitioning_out = False
        self._width = 450
        self._height = 400
        bg_color = (0.5, 0.4, 0.6)
        super().__init__(
            position=position,
            size=(self._width, self._height),
            scale=scale,
            bg_color=bg_color,
        )
        self._cancel_button = bui.buttonwidget(
            parent=self.root_widget,
            position=(50, self._height - 30),
            size=(50, 50),
            scale=0.5,
            label=bui.charstr(bui.SpecialChar.CLOSE),
            textcolor=(1, 1, 1),
            color=bg_color,
            on_activate_call=self._on_cancel_press,
            autoselect=True,
        )
        bui.imagewidget(
            parent=self.root_widget,
            position=(self._width * 0.5 - 150, self._height * 0.5 - 150),
            size=(300, 300),
            texture=qr_tex,
        )

    def _on_cancel_press(self) -> None:
        self._transition_out()

    def _transition_out(self) -> None:
        if not self._transitioning_out:
            self._transitioning_out = True
            bui.containerwidget(edit=self.root_widget, transition='out_scale')



    @override
    def on_popup_cancel(self) -> None:
        bui.getsound('swish').play()
        self._transition_out()




# Docs-generation hack; import some stuff that we likely only forward-declared
# in our actual source code so that docs tools can find it.
from typing import (Coroutine, Any, Literal, Callable,
  Generator, Awaitable, Sequence, Self)
import asyncio
from concurrent.futures import Future
from pathlib import Path
from enum import Enum