93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
from typing import Any, Callable, Optional, Sequence, Tuple, Union
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from PyQt5.QtCore import QObject, pyqtProperty, pyqtSignal
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class ListItem(QObject):
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roles: Tuple[str, ...] = ()
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def __init__(self, *args, no_update: Sequence[str] = (), **kwargs):
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super().__init__()
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self.no_update = no_update
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for role, value in zip(self.roles, args):
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setattr(self, role, value)
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for role, value in kwargs.items():
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setattr(self, role, value)
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def __repr__(self) -> str:
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return "%s(no_update=%s, %s)" % (
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type(self).__name__,
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self.no_update,
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", ".join((f"{r}={getattr(self, r)!r}" for r in self.roles)),
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)
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@pyqtProperty(str, constant=True)
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def _repr(self) -> str:
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return repr(self)
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def prop(qt_type: Union[str, Callable],
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name: str,
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signal: Optional[pyqtSignal] = None,
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default_value: Any = None) -> pyqtProperty:
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def fget(self, name=name, default_value=default_value):
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if not hasattr(self, f"_{name}"):
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setattr(self, f"_{name}", default_value)
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return getattr(self, f"_{name}")
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def fset(self, value, name=name, signal=signal):
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setattr(self, f"_{name}", value)
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if signal:
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getattr(self, f"{name}Changed").emit(value)
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kws = {"notify": signal} if signal else {"constant": True}
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return pyqtProperty(qt_type, fget=fget, fset=fset, **kws)
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class User(ListItem):
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roles = ("userId", "displayName", "avatarUrl", "statusMessage")
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displayNameChanged = pyqtSignal("QVariant")
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avatarUrlChanged = pyqtSignal("QVariant")
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statusMessageChanged = pyqtSignal(str)
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userId = prop(str, "userId")
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displayName = prop("QVariant", "displayName", displayNameChanged)
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avatarUrl = prop(str, "avatarUrl", avatarUrlChanged)
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statusMessage = prop(str, "statusMessage", statusMessageChanged, "")
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class Room(ListItem):
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roles = ("roomId", "category", "displayName", "topic", "typingUsers",
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"inviter", "leftEvent")
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categoryChanged = pyqtSignal(str)
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displayNameChanged = pyqtSignal("QVariant")
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topicChanged = pyqtSignal(str)
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typingUsersChanged = pyqtSignal("QVariantList")
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inviterChanged = pyqtSignal("QVariant")
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leftEventChanged = pyqtSignal("QVariant")
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roomId = prop(str, "roomId")
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category = prop(str, "category", categoryChanged)
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displayName = prop(str, "displayName", displayNameChanged)
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topic = prop(str, "topic", topicChanged, "")
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typingUsers = prop(list, "typingUsers", typingUsersChanged, [])
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inviter = prop("QVariant", "inviter", inviterChanged)
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leftEvent = prop("QVariant", "leftEvent", leftEventChanged)
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class RoomEvent(ListItem):
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roles = ("type", "dateTime", "dict", "isLocalEcho")
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type = prop(str, "type")
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dateTime = prop("QVariant", "dateTime")
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dict = prop("QVariantMap", "dict")
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isLocalEcho = prop(bool, "isLocalEcho", None, False)
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