From 4d5bf53be85d3f993b797a42e2aa205077b375a7 Mon Sep 17 00:00:00 2001
From: David Capello <david@igara.com>
Date: Mon, 8 Apr 2024 10:44:44 -0300
Subject: [PATCH] Fix crash accessing empty list of sprites updating ContextBar
 fields (fix #4407)

Not sure if this will be the final solution for this crash, as a Doc
shouldn't have an empty list of sprites.
---
 src/app/ui/context_bar.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/app/ui/context_bar.cpp b/src/app/ui/context_bar.cpp
index 5003759193..d9f0a296a7 100644
--- a/src/app/ui/context_bar.cpp
+++ b/src/app/ui/context_bar.cpp
@@ -1770,7 +1770,9 @@ class ContextBar::SliceFields : public HBox {
   }
 
   void updateLayout() {
-    const bool visible = (m_doc && !m_doc->sprite()->slices().empty());
+    const bool visible = (m_doc &&
+                          m_doc->sprite() &&
+                          !m_doc->sprite()->slices().empty());
     const bool relayout = (visible != m_combobox.isVisible() ||
                            visible != m_action.isVisible());