98 lines
2.9 KiB
Python
98 lines
2.9 KiB
Python
from functools import lru_cache
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from typing import Type, Callable, TYPE_CHECKING, Any
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import pyglet
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if TYPE_CHECKING:
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from source.gui.scene.abc import Scene
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class Window(pyglet.window.Window): # NOQA
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"""
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A window. Based on the pyglet window object.
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Scene can be added to the window
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"""
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self._scenes: set["Scene"] = set()
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# Scene Managing
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def set_scene(self, scene_class: Type["Scene"], *scene_args, **scene_kwargs) -> "Scene":
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"""
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Set the scene of the window.
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:scene_class: the class of the scene to add.
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:scene_args: args for the creation of the scene object.
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:scene_kwargs: kwargs for the creation of the scene object.
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:return: the new created scene.
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"""
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self.clear_scene()
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return self.add_scene(scene_class, *scene_args, **scene_kwargs)
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def add_scene(self, scene_class: Type["Scene"], *scene_args, **scene_kwargs) -> "Scene":
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"""
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Add a scene of the window.
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:scene_class: the class of the scene to add.
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:scene_args: args for the creation of the scene object.
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:scene_kwargs: kwargs for the creation of the scene object.
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:return: the new created scene.
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"""
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scene: "Scene" = scene_class(window=self, *scene_args, **scene_kwargs)
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self._scenes.add(scene)
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return scene
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def remove_scene(self, scene: "Scene") -> None:
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"""
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Remove a scene from the window.
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:scene: the scene to remove.
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"""
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self._scenes.remove(scene)
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def clear_scene(self) -> None:
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"""
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Clear the window from all the scenes.
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"""
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self._scenes.clear()
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# Base Event
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def on_draw(self): # NOQA
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self.clear()
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# Event Handling
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@lru_cache
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def _event_wrapper(self, item: str) -> Callable:
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"""
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Un wrapper permettant d'appeler l'événement de toutes les scènes attachées.
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:param item: nom de la fonction à appeler dans la scène.
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:return: une fonction appelant l'événement original ainsi que ceux des scènes.
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"""
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func = None
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try: func = super().__getattribute__(item)
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except AttributeError: pass
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def _func(*args, **kwargs) -> None:
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if func is not None: func(*args, **kwargs)
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for scene in self._scenes:
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getattr(scene, item)(*args, **kwargs)
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return _func
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def __getattribute__(self, item: str) -> Any:
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"""
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Fonction appelée dès que l'on essaye d'accéder à l'un des attributs de l'objet.
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:param item: nom de l'attribut recherché
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:return: l'attribut de l'objet correspondant.
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"""
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# si l'attribut est un événement (commence par "on_"), alors renvoie le dans un wrapper
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return self._event_wrapper(item) if item.startswith("on_") else super().__getattribute__(item)
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