From 3f8ce47d3280863c9f686da1807c5c2774db758e Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Mon, 21 Sep 2020 03:27:37 +0100
Subject: [PATCH] TBTR: Fix being able to open template replacement window more
 than once

---
 src/tbtr_template_gui_main.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/tbtr_template_gui_main.cpp b/src/tbtr_template_gui_main.cpp
index d8321eb1e2..dee412e0d7 100644
--- a/src/tbtr_template_gui_main.cpp
+++ b/src/tbtr_template_gui_main.cpp
@@ -809,5 +809,7 @@ public:
 
 void ShowTemplateReplaceWindow()
 {
-	new TemplateReplaceWindow(&_replace_rail_vehicle_desc);
+	if (BringWindowToFrontById(WC_TEMPLATEGUI_MAIN, 0) == nullptr) {
+		new TemplateReplaceWindow(&_replace_rail_vehicle_desc);
+	}
 }