84 lines
2.2 KiB
Python
84 lines
2.2 KiB
Python
"""
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Components/Screen
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=================
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:class:`~kivy.uix.screenmanager.Screen` class equivalent. Simplifies working
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with some widget properties. For example:
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Screen
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------
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.. code-block:: kv
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Screen:
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canvas:
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Color:
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rgba: app.theme_cls.primary_color
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RoundedRectangle:
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pos: self.pos
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size: self.size
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radius: [25, 0, 0, 0]
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MDScreen
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--------
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.. code-block:: kv
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MDScreen:
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radius: [25, 0, 0, 0]
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md_bg_color: app.theme_cls.primary_color
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"""
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from kivy.properties import ListProperty, ObjectProperty
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from kivy.uix.screenmanager import Screen
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from kivymd.theming import ThemableBehavior
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from kivymd.uix import MDAdaptiveWidget
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from kivymd.uix.behaviors import DeclarativeBehavior
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from kivymd.uix.hero import MDHeroTo
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class MDScreen(DeclarativeBehavior, ThemableBehavior, Screen, MDAdaptiveWidget):
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"""
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Screen is an element intended to be used with a
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:class:`~kivymd.uix.screenmanager.MDScreenManager`. For more information,
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see in the :class:`~kivy.uix.screenmanager.Screen` class documentation.
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"""
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hero_to = ObjectProperty(deprecated=True)
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"""
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Must be a :class:`~kivymd.uix.hero.MDHeroTo` class.
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See the documentation of the
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`MDHeroTo <https://kivymd.readthedocs.io/en/latest/components/hero/>`_
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widget for more detailed information.
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.. deprecated:: 1.0.0
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Use attr:`heroes_to` attribute instead.
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:attr:`hero_to` is an :class:`~kivy.properties.ObjectProperty`
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and defaults to `None`.
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"""
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heroes_to = ListProperty()
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"""
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Must be a list of :class:`~kivymd.uix.hero.MDHeroTo` class.
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.. versionadded:: 1.0.0
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:attr:`heroes_to` is an :class:`~kivy.properties.LiatProperty`
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and defaults to `[]`.
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"""
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def on_hero_to(self, screen, widget: MDHeroTo) -> None:
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"""Called when the value of the :attr:`hero_to` attribute changes."""
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if not isinstance(widget, MDHeroTo) or not issubclass(
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widget.__class__, MDHeroTo
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):
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raise TypeError(
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f"The `{widget}` widget must be an `kivymd.uix.hero.MDHeroTo` "
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f"class or inherited from this class"
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)
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self.heroes_to = [widget]
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