From 3fd25782c0326c4b7dbdae20a61579e3ea5dc3d7 Mon Sep 17 00:00:00 2001
From: Gary Talent <gary@drinkingtea.net>
Date: Sat, 2 Apr 2022 21:13:08 -0500
Subject: [PATCH] [nostalgia/core/studio] Add unsaved changes indicator to
 editor tabs

---
 src/nostalgia/studio/studioapp.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/nostalgia/studio/studioapp.cpp b/src/nostalgia/studio/studioapp.cpp
index 64d6373d..c98046fe 100644
--- a/src/nostalgia/studio/studioapp.cpp
+++ b/src/nostalgia/studio/studioapp.cpp
@@ -183,7 +183,8 @@ void StudioUI::drawTabs() noexcept {
 	for (auto it = m_editors.begin(); it != m_editors.end();) {
 		auto const &e = *it;
 		auto open = true;
-		if (ImGui::BeginTabItem(e->itemDisplayName().c_str(), &open)) {
+		const auto flags = e->unsavedChanges() ? ImGuiTabItemFlags_UnsavedDocument : 0;
+		if (ImGui::BeginTabItem(e->itemDisplayName().c_str(), &open, flags)) {
 			m_acitveEditor = e.get();
 			e->draw(m_ctx);
 			ImGui::EndTabItem();