Sideband/sbapp/kivymd/uix/screen.py

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2022-07-07 16:16:10 -04:00
"""
Components/Screen
=================
:class:`~kivy.uix.screenmanager.Screen` class equivalent. Simplifies working
with some widget properties. For example:
Screen
------
.. code-block::
Screen:
canvas:
Color:
rgba: app.theme_cls.primary_color
RoundedRectangle:
pos: self.pos
size: self.size
radius: [25, 0, 0, 0]
MDScreen
--------
.. code-block::
MDScreen:
radius: [25, 0, 0, 0]
md_bg_color: app.theme_cls.primary_color
"""
from kivy.properties import ObjectProperty
from kivy.uix.screenmanager import Screen
from kivymd.uix import MDAdaptiveWidget
from kivymd.uix.hero import MDHeroTo
class MDScreen(Screen, MDAdaptiveWidget):
hero_to = ObjectProperty()
"""
Must be a :class:`~kivymd.uix.hero.MDHeroTo` class.
See the documentation of the
`MDHeroTo <https://kivymd.readthedocs.io/en/latest/components/hero/>`_
widget for more detailed information.
.. versionchanged:: 1.0.0
:attr:`hero_to` is an :class:`~kivy.properties.ObjectProperty`
and defaults to `None`.
"""
def on_hero_to(self, screen, widget) -> None:
if not isinstance(widget, MDHeroTo) or not issubclass(
widget.__class__, MDHeroTo
):
raise TypeError(
f"The `{widget}` widget must be an `kivymd.uix.hero.MDHeroTo` "
f"class or inherited from this class"
)