See #5972. You can now select booleans recursively.

src/bonsai/bonsai/bim/module/geometry/operator.py

@@ -2737,6 +2737,7 @@ class ImportRepresentationItems(bpy.types.Operator, tool.Ifc.Operator):
             new = props.item_objs.add()
             new.obj = item_obj
             new.is_boolean = item_id in boolean_ids
+            new.ifc_definition_id = item_id
 
             tool.Geometry.import_item(item_obj)
             tool.Geometry.import_item_attributes(item_obj)

src/bonsai/bonsai/bim/module/model/__init__.py

@@ -79,19 +79,20 @@ classes = (
     opening.AddBoolean,
     opening.AddPotentialHalfSpaceSolid,
     opening.AddPotentialOpening,
-    opening.EditOpenings,
     opening.CloneOpening,
-    opening.UpdateOpeningsFocus,
+    opening.EditOpenings,
     opening.FlipFill,
-    opening.HideBooleans,
     opening.HideAllOpenings,
+    opening.HideBooleans,
     opening.HideOpenings,
     opening.PurgeUnusedOpenings,
     opening.RecalculateFill,
     opening.RemoveBoolean,
     opening.RemoveBooleans,
+    opening.SelectBoolean,
     opening.ShowBooleans,
     opening.ShowOpenings,
+    opening.UpdateOpeningsFocus,
     profile.ChangeCardinalPoint,
     profile.ChangeProfileDepth,
     profile.DisableEditingExtrusionAxis,

src/bonsai/bonsai/bim/module/model/opening.py

@@ -1165,6 +1165,43 @@ class RemoveBoolean(Operator, tool.Ifc.Operator):
         tool.Geometry.reload_representation(rep_obj)
 
 
+class SelectBoolean(Operator):
+    bl_idname = "bim.select_boolean"
+    bl_label = "Remove Boolean"
+    bl_options = {"REGISTER", "UNDO"}
+    bl_description = "Selects operands of the active boolean\nSHIFT-CLICK to select all operands recursively"
+    is_recursive: bpy.props.BoolProperty(name="Is Recursive", default=False, options={"SKIP_SAVE"})
+
+    @classmethod
+    def poll(cls, context):
+        props = context.scene.BIMBooleanProperties
+        return props.active_boolean
+
+    def invoke(self, context, event):
+        if event.type == "LEFTMOUSE" and event.shift:
+            self.is_recursive = True
+        return self.execute(context)
+
+    def execute(self, context):
+        props = context.scene.BIMBooleanProperties
+        queue = [tool.Ifc.get().by_id(props.active_boolean.ifc_definition_id)]
+        items = {i.ifc_definition_id: i.obj for i in context.scene.BIMGeometryProperties.item_objs}
+        while queue:
+            item = queue.pop()
+            if item.is_a("IfcBooleanResult"):
+                if self.is_recursive:
+                    queue.append(item.FirstOperand)
+                    queue.append(item.SecondOperand)
+                else:
+                    if obj := items.get(item.FirstOperand.id()):
+                        tool.Blender.select_object(obj)
+                    if obj := items.get(item.SecondOperand.id()):
+                        tool.Blender.select_object(obj)
+            elif obj := items.get(item.id()):
+                tool.Blender.select_object(obj)
+        return {"FINISHED"}
+
+
 # TODO: merge with ProfileDecorator?
 class DecorationsHandler:
     installed = None

src/bonsai/bonsai/bim/module/void/ui.py

@@ -178,6 +178,7 @@ class BIM_PT_booleans(Panel):
 
         row = layout.row(align=True)
         row.alignment = "RIGHT"
+        row.operator("bim.select_boolean", text="", icon="RESTRICT_SELECT_OFF")
         row.operator("bim.remove_boolean", text="", icon="X")
 
         self.layout.template_list("BIM_UL_booleans", "", props, "booleans", props, "active_boolean_index")