89 lines
2.3 KiB
Python
89 lines
2.3 KiB
Python
import bpy
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def _unique_window_regions(area):
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if area is None:
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return
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seen = set()
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def _register(region):
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if getattr(region, "type", None) != "WINDOW":
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return None
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try:
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handle = region.as_pointer()
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except ReferenceError:
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return None
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if handle in seen:
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return None
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seen.add(handle)
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return region
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for region in getattr(area, "regions", []):
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candidate = _register(region)
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if candidate is not None:
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yield candidate
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space = None
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try:
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space = area.spaces.active
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except ReferenceError:
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space = None
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if getattr(space, "type", None) != "VIEW_3D":
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return
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quadviews = getattr(space, "region_quadviews", None)
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if not quadviews:
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return
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for quad in quadviews:
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candidate = _register(getattr(quad, "region", None))
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if candidate is not None:
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yield candidate
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def iter_view3d_window_regions(area):
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"""Yield every VIEW_3D window region for the given area (quad view included)."""
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yield from _unique_window_regions(area)
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def region_data_for_view(area, region):
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"""Return the RegionView3D that belongs to the given area/region pair."""
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if region is None or getattr(region, "type", None) != "WINDOW":
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return None
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direct_data = getattr(region, "data", None)
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if direct_data is not None:
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return direct_data
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if area is None:
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return None
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try:
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region_ptr = region.as_pointer()
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except ReferenceError:
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return None
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for space in getattr(area, "spaces", []):
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if getattr(space, "type", None) != "VIEW_3D":
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continue
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quadviews = getattr(space, "region_quadviews", None)
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if quadviews:
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for quad in quadviews:
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quad_region = getattr(quad, "region", None)
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if quad_region is None:
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continue
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try:
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if quad_region.as_pointer() == region_ptr:
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return getattr(quad, "region_3d", None)
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except ReferenceError:
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continue
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region_3d = getattr(space, "region_3d", None)
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if region_3d is not None:
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return region_3d
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return None
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