From ea2a7b264f3135b9ea5f82a877c725f0b7491365 Mon Sep 17 00:00:00 2001
From: Albert Astals Cid <aacid@kde.org>
Date: Sat, 22 Jun 2019 12:36:33 +0200
Subject: [PATCH] PDF: Finish support for Optional Content state change links

I implemented this 3 years ago, but for some reason forgot to commit this part ^_^

CCBUGS: 408849
---
 generators/poppler/generator_pdf.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/generators/poppler/generator_pdf.cpp b/generators/poppler/generator_pdf.cpp
index 6bce88c8c..259e07b70 100644
--- a/generators/poppler/generator_pdf.cpp
+++ b/generators/poppler/generator_pdf.cpp
@@ -525,7 +525,12 @@ Okular::Action* createLinkFromPopplerLink(const Poppler::Link *popplerLink, bool
 #endif
         
         case Poppler::Link::OCGState:
-            Q_UNREACHABLE();
+#ifdef HAVE_POPPLER_0_50
+            link = new Okular::BackendOpaqueAction();
+            link->setNativeId( QVariant::fromValue( static_cast<const Poppler::LinkOCGState*>( popplerLink ) ) );
+            deletePopplerLink = false;
+#endif
+        break;
     }
 
 #ifdef HAVE_POPPLER_0_64