ykcheungab
33 lines
1018 B
Python
33 lines
1018 B
Python
"""Runtime mesh viewport UI state shared by settings and the 3D mesh panel."""
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from __future__ import annotations
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from PyQt5.QtCore import QObject, pyqtSignal
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from .layout import DashboardLayout, LAYOUT
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class MeshViewState(QObject):
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"""Mutable runtime toggles for the embedded mesh viewport."""
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flow_arrows_changed = pyqtSignal(bool)
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def __init__(self, *, flow_arrows_enabled: bool = True):
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super().__init__()
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self._flow_arrows_enabled = bool(flow_arrows_enabled)
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@property
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def flow_arrows_enabled(self) -> bool:
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return self._flow_arrows_enabled
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@classmethod
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def from_layout(cls, layout: DashboardLayout = LAYOUT) -> MeshViewState:
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return cls(flow_arrows_enabled=layout.mesh_flow_arrow.enabled)
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def set_flow_arrows_enabled(self, enabled: bool) -> None:
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enabled = bool(enabled)
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if enabled == self._flow_arrows_enabled:
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return
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self._flow_arrows_enabled = enabled
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self.flow_arrows_changed.emit(enabled)
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