From 9bc5c089b6c351b821bbd672f3c002b9b53ead03 Mon Sep 17 00:00:00 2001
From: omar <omarcornut@gmail.com>
Date: Wed, 31 Jan 2018 22:14:33 +0100
Subject: [PATCH] Internal: Avoid needlessly bringing parent of front-most
 child back to front. This is mostly to reduce flicker/confusion in Metrics
 when traversing windows. We could aim at separating the child windows from
 non-child windows at some point.

---
 imgui.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/imgui.cpp b/imgui.cpp
index 102505455..f0414555c 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -5161,7 +5161,8 @@ void ImGui::Scrollbar(ImGuiLayoutType direction)
 void ImGui::BringWindowToFront(ImGuiWindow* window)
 {
     ImGuiContext& g = *GImGui;
-    if (g.Windows.back() == window)
+    ImGuiWindow* current_front_window = g.Windows.back();
+    if (current_front_window == window || current_front_window->RootWindow == window)
         return;
     for (int i = g.Windows.Size - 2; i >= 0; i--) // We can ignore the front most window
         if (g.Windows[i] == window)