From 02a1015fe3829f6076ad13f27b4025fb2e4b324d Mon Sep 17 00:00:00 2001
From: Jean-Christophe Fillion-Robin <jchris.fillionr@kitware.com>
Date: Tue, 19 Dec 2023 22:18:39 -0500
Subject: [PATCH] ENH: Always discard display position for 3D Event

Adapted from Slicer/Slicer@a0ad2a328 (ENH: Handle 3D events in MRML
interactor style and markups VTK widgets)
---
 .../MRML/vtkVirtualRealityViewInteractorObserver.cxx           | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/VirtualReality/MRML/vtkVirtualRealityViewInteractorObserver.cxx b/VirtualReality/MRML/vtkVirtualRealityViewInteractorObserver.cxx
index 630398a..32f6d9b 100644
--- a/VirtualReality/MRML/vtkVirtualRealityViewInteractorObserver.cxx
+++ b/VirtualReality/MRML/vtkVirtualRealityViewInteractorObserver.cxx
@@ -219,6 +219,9 @@ bool vtkVirtualRealityViewInteractorObserver::DelegateInteractionEventDataToDisp
     ed->SetAccuratePicker(vrViewInteractorStyle->GetAccuratePicker());
     }
 
+  // Assumes event are all 3D and invalidates display position
+  ed->SetDisplayPositionInvalid();
+
   vtkRenderer* currentRenderer = this->GetInteractorStyle()->GetCurrentRenderer();
   ed->SetRenderer(currentRenderer);