From 31a5e393cba0f4091d772989bbe16d23e91a188c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ku=C4=8Dera?=
 <26327373+vkucera@users.noreply.github.com>
Date: Thu, 16 Apr 2026 10:18:02 +0200
Subject: [PATCH 1/3] Fix missing severity and classification bars in the HTML
 report

Fixes a bug introduced in #7994.
---
 htmlreport/cppcheck-htmlreport | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/htmlreport/cppcheck-htmlreport b/htmlreport/cppcheck-htmlreport
index 5044443a0a9..71f388628c8 100755
--- a/htmlreport/cppcheck-htmlreport
+++ b/htmlreport/cppcheck-htmlreport
@@ -469,9 +469,9 @@ def filter_button(enabled_filters, id, function):
 def filter_bar(enabled):
     severity_bar = ''.join([filter_button(enabled, severity, 'toggleSeverity') for severity in ['error', 'warning', 'portability', 'performance', 'style', 'information']]) + '\n        | '
     classification_bar = ''.join([filter_button(enabled, _class, 'toggleClassification') for _class in ['Mandatory', 'Required', 'Advisory', 'Document', 'Disapplied', 'L1','L2','L3','']]) + '\n        | '
-    if "checked/>" not in severity_bar:
+    if "checked>" not in severity_bar:
         severity_bar = ''
-    if "checked/>" not in classification_bar:
+    if "checked>" not in classification_bar:
         classification_bar = ''
     return ''.join([
      '      <div id="filters">\n'

From 038fbe5dcfd2fd4eb53641ca292f16cee72b177e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ku=C4=8Dera?=
 <26327373+vkucera@users.noreply.github.com>
Date: Sun, 3 May 2026 14:21:53 +0200
Subject: [PATCH 2/3] Add test

---
 test/tools/htmlreport/test_htmlreport.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/test/tools/htmlreport/test_htmlreport.py b/test/tools/htmlreport/test_htmlreport.py
index 6f8713f4f55..f84fd279fb3 100755
--- a/test/tools/htmlreport/test_htmlreport.py
+++ b/test/tools/htmlreport/test_htmlreport.py
@@ -107,6 +107,13 @@ def testAddTimestamp(self):
 
             output_directory.cleanup()
 
+    def testSeverityFilterBar(self):
+        with runCheck(
+            xml_filename=os.path.join(TEST_TOOLS_DIR, 'example.xml'),
+        ) as (report, output_directory):
+            self.assertIn('onclick="toggleSeverity(this)"', report)
+            output_directory.cleanup()
+
 
 @contextlib.contextmanager
 def runCheck(source_filename=None, xml_version='1', xml_filename=None, checkers_filename=None):

From 5bda69feeb5ca8f50b2c6b46518e8e097e256f58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?V=C3=ADt=20Ku=C4=8Dera?=
 <26327373+vkucera@users.noreply.github.com>
Date: Sun, 3 May 2026 14:22:15 +0200
Subject: [PATCH 3/3] Delete trailing spaces

---
 htmlreport/cppcheck-htmlreport | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/htmlreport/cppcheck-htmlreport b/htmlreport/cppcheck-htmlreport
index 71f388628c8..fb263c73d12 100755
--- a/htmlreport/cppcheck-htmlreport
+++ b/htmlreport/cppcheck-htmlreport
@@ -278,7 +278,7 @@ HTML_HEAD = """
 
         updateFileRows();
       }
-      
+
       function toggleClassification(cb) {
         cb.parentElement.classList.toggle("unchecked", !cb.checked);
         var elements = document.querySelectorAll(".class_" + cb.id);
@@ -289,7 +289,7 @@ HTML_HEAD = """
 
         updateFileRows();
       }
-    
+
       function toggleTool(cb) {
         cb.parentElement.classList.toggle("unchecked", !cb.checked);