From 06a392619db02866fdef36754870c9bce2fd72e8 Mon Sep 17 00:00:00 2001
From: Ronan Cailleau <ro.cailleau@gmail.com>
Date: Tue, 14 Jul 2026 15:35:49 +0200
Subject: [PATCH] Docking: Fix dock split of current window before `End()`

- Fix erroneous reset `window->DockIsActive` to `false` of first docked window in `ImGui::DockNodeMoveWindows()`
---
 imgui.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/imgui.cpp b/imgui.cpp
index 6ff4bfa2b..ec2bf44bb 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -18998,8 +18998,9 @@ static void ImGui::DockNodeMoveWindows(ImGuiDockNode* dst_node, ImGuiDockNode* s
     for (ImGuiWindow* window : src_node->Windows)
     {
         window->DockNode = NULL;
-        window->DockIsActive = false;
+        const bool dock_is_active = window->DockIsActive;
         DockNodeAddWindow(dst_node, window, !move_tab_bar);
+        window->DockIsActive |= dock_is_active;
     }
     src_node->Windows.clear();