From b994dd777abf7255c1541e0f49b89dce1abe8cd9 Mon Sep 17 00:00:00 2001
From: ocornut <omarcornut@gmail.com>
Date: Sun, 30 Aug 2015 11:11:15 +0100
Subject: [PATCH] Fixed OpenPopup() accessing current window, effectively
 opening "Debug" on an empty window stack

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

diff --git a/imgui.cpp b/imgui.cpp
index ab6e0a0b1..8ecd695e4 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -3005,7 +3005,7 @@ static bool IsPopupOpen(ImGuiID id)
 void ImGui::OpenPopup(const char* str_id)
 {
     ImGuiState& g = *GImGui;
-    ImGuiWindow* window = GetCurrentWindow();
+    ImGuiWindow* window = g.CurrentWindow;
     ImGuiID id = window->GetID(str_id);
     int current_stack_size = g.CurrentPopupStack.Size;
     ImGuiPopupRef popup_ref = ImGuiPopupRef(id, window, window->GetID("##menus"), g.IO.MousePos); // Tagged as new ref because constructor sets Window to NULL (we are passing the ParentWindow info here)