From df7a32d36449c5d14e0bb3efa99379b460057305 Mon Sep 17 00:00:00 2001
From: alberth <alberth@openttd.org>
Date: Sat, 23 Oct 2010 20:51:48 +0000
Subject: [PATCH] (svn r21021) -Add [FS#4171]: Center industry gui and waypoint
 gui after resize (partly by Krille).

---
 src/industry_gui.cpp | 2 ++
 src/waypoint_gui.cpp | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/industry_gui.cpp b/src/industry_gui.cpp
index 962a595326..4e56b4055a 100644
--- a/src/industry_gui.cpp
+++ b/src/industry_gui.cpp
@@ -927,6 +927,8 @@ public:
 		if (this->viewport != NULL) {
 			NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(IVW_VIEWPORT);
 			nvp->UpdateViewportCoordinates(this);
+
+			ScrollWindowToTile(Industry::Get(this->window_number)->location.GetCenterTile(), this, true); // Re-center viewport.
 		}
 	}
 
diff --git a/src/waypoint_gui.cpp b/src/waypoint_gui.cpp
index c6e84d21bc..b05172468e 100644
--- a/src/waypoint_gui.cpp
+++ b/src/waypoint_gui.cpp
@@ -127,6 +127,8 @@ public:
 			NWidgetViewport *nvp = this->GetWidget<NWidgetViewport>(WAYPVW_VIEWPORT);
 			nvp->UpdateViewportCoordinates(this);
 			this->wp->UpdateVirtCoord();
+
+			ScrollWindowToTile(this->GetCenterTile(), this, true); // Re-center viewport.
 		}
 	}