From 2618639bdb947a479d7fae49d8daa25946603ed5 Mon Sep 17 00:00:00 2001
From: Tim Ledbetter <timledbetter@gmail.com>
Date: Sun, 16 Apr 2023 10:29:16 +0100
Subject: [PATCH] Help: Ensure window title is updated when a subsection is
 selected

---
 Userland/Applications/Help/ManualModel.cpp | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/Userland/Applications/Help/ManualModel.cpp b/Userland/Applications/Help/ManualModel.cpp
index 1bd80035f6..770af30efd 100644
--- a/Userland/Applications/Help/ManualModel.cpp
+++ b/Userland/Applications/Help/ManualModel.cpp
@@ -56,10 +56,10 @@ Optional<String> ManualModel::page_name(const GUI::ModelIndex& index) const
 {
     if (!index.is_valid())
         return {};
-    auto* node = static_cast<Manual::Node const*>(index.internal_data());
-    if (!node->is_page())
+    auto const* node = static_cast<Manual::Node const*>(index.internal_data());
+    auto const* page = node->document();
+    if (!page)
         return {};
-    auto* page = static_cast<Manual::PageNode const*>(node);
     auto path = page->name();
     if (path.is_error())
         return {};
@@ -103,11 +103,12 @@ Optional<String> ManualModel::page_and_section(const GUI::ModelIndex& index) con
 {
     if (!index.is_valid())
         return {};
-    auto* node = static_cast<Manual::Node const*>(index.internal_data());
-    if (!node->is_page())
+    auto const* node = static_cast<Manual::Node const*>(index.internal_data());
+    auto const* page = node->document();
+    if (!page)
         return {};
-    auto* page = static_cast<Manual::PageNode const*>(node);
-    auto* section = static_cast<Manual::SectionNode const*>(page->parent());
+
+    auto const* section = static_cast<Manual::SectionNode const*>(page->parent());
     auto page_name = page->name();
     if (page_name.is_error())
         return {};