From b9a4cd57f8118d3e2d2e95870fbb66348e658a36 Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Wed, 29 Mar 2023 00:18:28 +0100
Subject: [PATCH] TBTR: Refresh drag selection highlight when control key state
 changed

---
 src/tbtr_template_gui_create.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/tbtr_template_gui_create.cpp b/src/tbtr_template_gui_create.cpp
index c54d3ec442..5bb45d2409 100644
--- a/src/tbtr_template_gui_create.cpp
+++ b/src/tbtr_template_gui_create.cpp
@@ -659,6 +659,17 @@ public:
 		}
 	}
 
+	EventState OnCTRLStateChange() override
+	{
+		if (this->sel != INVALID_VEHICLE) {
+			_cursor.vehchain = _ctrl_pressed;
+			this->SetWidgetDirty(TCW_NEW_TMPL_PANEL);
+			return ES_HANDLED;
+		}
+
+		return ES_NOT_HANDLED;
+	}
+
 	void VirtualVehicleDeleted(VehicleID id)
 	{
 		this->pending_deletions.erase(id);