From 2c0007731f464ec13bfd21976baac2244462440c Mon Sep 17 00:00:00 2001
From: ocornut <omarcornut@gmail.com>
Date: Wed, 20 Sep 2023 17:27:55 +0200
Subject: [PATCH] Docking: fixed calling DockContextCalcDropPosForDocking()
 with window in node without passing its node.

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

diff --git a/imgui.cpp b/imgui.cpp
index 527e9ebf1..cf12c099d 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -15813,6 +15813,9 @@ void ImGui::DockContextProcessUndockNode(ImGuiContext* ctx, ImGuiDockNode* node)
 // This is mostly used for automation.
 bool ImGui::DockContextCalcDropPosForDocking(ImGuiWindow* target, ImGuiDockNode* target_node, ImGuiWindow* payload_window, ImGuiDockNode* payload_node, ImGuiDir split_dir, bool split_outer, ImVec2* out_pos)
 {
+    if (target != NULL && target_node == NULL)
+        target_node = target->DockNode;
+
     // In DockNodePreviewDockSetup() for a root central node instead of showing both "inner" and "outer" drop rects
     // (which would be functionally identical) we only show the outer one. Reflect this here.
     if (target_node && target_node->ParentNode == NULL && target_node->IsCentralNode() && split_dir != ImGuiDir_None)