From 64e5d1e5e387cb35b8419ad25e53f6dbe687969a Mon Sep 17 00:00:00 2001
From: Trey Moen <50057480+greatgitsby@users.noreply.github.com>
Date: Sun, 13 Sep 2026 16:54:34 -0700
Subject: [PATCH] cabana: preserve selected menu color on hover (#38909)

* cabana: unify menu highlight colors

* cabana: preserve selected menu color on hover
---
 openpilot/tools/cabana/ui/dropdown.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/openpilot/tools/cabana/ui/dropdown.h b/openpilot/tools/cabana/ui/dropdown.h
index b73d8e39a2..e6ce25f16b 100644
--- a/openpilot/tools/cabana/ui/dropdown.h
+++ b/openpilot/tools/cabana/ui/dropdown.h
@@ -86,7 +86,12 @@ inline void EndPopup() {
 inline bool BeginMenu(const char *label, bool enabled = true) {
   PopupViewportScope viewport_scope;
   pushStyle();
-  return finishBegin(ImGui::BeginMenu(label, enabled));
+  // An open menu keeps its selection color while the pointer is over its label.
+  const bool selected = ImGui::IsPopupOpen(label);
+  if (selected) ImGui::PushStyleColor(ImGuiCol_HeaderHovered, ImGui::GetStyleColorVec4(ImGuiCol_Header));
+  const bool open = ImGui::BeginMenu(label, enabled);
+  if (selected) ImGui::PopStyleColor();
+  return finishBegin(open);
 }
 inline void EndMenu() {
   ImGui::PopStyleVar();