From 2f66c80e7d59f2dd22036b17e77a48e547705d96 Mon Sep 17 00:00:00 2001
From: Joseph Mirabel <jmirabel@laas.fr>
Date: Sun, 22 Mar 2020 13:15:24 +0100
Subject: Fix CROS javascript issue when giving focus to search result frame.

---
 src/searchindex.cpp                 | 6 ++++++
 templates/html/htmlsearchresult.tpl | 6 ++++++
 templates/html/search.js            | 5 ++---
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/searchindex.cpp b/src/searchindex.cpp
index 0296b93..0e3ef44 100644
--- a/src/searchindex.cpp
+++ b/src/searchindex.cpp
@@ -1007,6 +1007,12 @@ void writeJavaScriptSearchIndex()
           t << "document.getElementById(\"NoMatches\").style.display=\"none\";" << endl;
           t << "var searchResults = new SearchResults(\"searchResults\");" << endl;
           t << "searchResults.Search();" << endl;
+          t << "window.addEventListener(\"message\", function(event) {" << endl;
+          t << "  if (event.data == \"take_focus\") {" << endl;
+          t << "    var elem = searchResults.NavNext(0);" << endl;
+          t << "    if (elem) elem.focus();" << endl;
+          t << "  }" << endl;
+          t << "});" << endl;
 					t << "/* @license-end */\n";
           t << "--></script>" << endl;
           t << "</div>" << endl; // SRIndex
diff --git a/templates/html/htmlsearchresult.tpl b/templates/html/htmlsearchresult.tpl
index db37a5d..4e15414 100644
--- a/templates/html/htmlsearchresult.tpl
+++ b/templates/html/htmlsearchresult.tpl
@@ -24,6 +24,12 @@ document.getElementById("Loading").style.display="none";
 document.getElementById("NoMatches").style.display="none";
 var searchResults = new SearchResults("searchResults");
 searchResults.Search();
+window.addEventListener("message", function(event) {
+  if (event.data == "take_focus") {
+    var elem = searchResults.NavNext(0);
+    if (elem) elem.focus();
+  }
+});
 /* @license-end */
 --></script>
 </div>
diff --git a/templates/html/search.js b/templates/html/search.js
index a554ab9..86fbb9c 100644
--- a/templates/html/search.js
+++ b/templates/html/search.js
@@ -200,10 +200,9 @@ function SearchBox(name, resultsPath, inFrame, label)
         }
         return;
       }
-      else if (window.frames.MSearchResults.searchResults)
+      else
       {
-        var elem = window.frames.MSearchResults.searchResults.NavNext(0);
-        if (elem) elem.focus();
+        window.frames.MSearchResults.postMessage("take_focus", "*");
       }
     }
     else if (e.keyCode==27) // Escape out of the search field
-- 
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