From e7dd53dffcde2d42e99036b7ec4bba3d01e018f9 Mon Sep 17 00:00:00 2001
From: rubidium <rubidium@openttd.org>
Date: Mon, 16 Nov 2009 16:42:04 +0000
Subject: [PATCH] (svn r18119) -Codechange/Fix: always call OnResize so the
 matrices/scrollbars are initialised without the need for duplicating the
 OnResize code

---
 src/autoreplace_gui.cpp   |  3 ---
 src/build_vehicle_gui.cpp |  3 ---
 src/window.cpp            | 17 +++++------------
 3 files changed, 5 insertions(+), 18 deletions(-)

diff --git a/src/autoreplace_gui.cpp b/src/autoreplace_gui.cpp
index 9b5adbfd6a..7e1d78cb2e 100644
--- a/src/autoreplace_gui.cpp
+++ b/src/autoreplace_gui.cpp
@@ -227,9 +227,6 @@ public:
 
 		this->InitNested(desc, vehicletype);
 
-		/* Update the scrollbars/matrix 'definitions' */
-		this->OnResize();
-
 		this->owner = _local_company;
 		this->sel_group = id_g;
 	}
diff --git a/src/build_vehicle_gui.cpp b/src/build_vehicle_gui.cpp
index 25b78867de..44818d3092 100644
--- a/src/build_vehicle_gui.cpp
+++ b/src/build_vehicle_gui.cpp
@@ -837,9 +837,6 @@ struct BuildVehicleWindow : Window {
 
 		this->FinishInitNested(desc, tile == INVALID_TILE ? (int)type : tile);
 
-		/* Update the scrollbars/matrix 'definitions' */
-		this->OnResize();
-
 		this->eng_list.ForceRebuild();
 		this->GenerateBuildList(); // generate the list, since we need it in the next line
 		/* Select the first engine in the list as default when opening the window */
diff --git a/src/window.cpp b/src/window.cpp
index 873bfa6167..34a6b2bcd2 100644
--- a/src/window.cpp
+++ b/src/window.cpp
@@ -517,17 +517,8 @@ void Window::ReInit(int rx, int ry)
 	if (this->resize.step_width  > 1) dx -= dx % (int)this->resize.step_width;
 	if (this->resize.step_height > 1) dy -= dy % (int)this->resize.step_height;
 
-	if (dx == 0 && dy == 0) { // No resize needed.
-		this->SetDirty();
-		if (this->viewport != NULL) {
-			NWidgetViewport *nvp = (NWidgetViewport *)nested_root->GetWidgetOfType(NWID_VIEWPORT);
-			nvp->UpdateViewportCoordinates(this);
-		}
-		return;
-	}
-
-	ResizeWindow(this, dx, dy); // Sets post-resize dirty blocks.
-	this->OnResize(); // Calls NWidgetViewport::UpdateViewportCoordinates()
+	ResizeWindow(this, dx, dy);
+	this->OnResize();
 }
 
 /** Find the Window whose parent pointer points to this window
@@ -901,9 +892,11 @@ void Window::FindWindowPlacementAndResize(int def_width, int def_height)
 		if (this->resize.step_height > 1) enlarge_y -= enlarge_y % (int)this->resize.step_height;
 
 		ResizeWindow(this, enlarge_x, enlarge_y);
-		this->OnResize();
 	}
 
+	/* Always call OnResize; that way the scrollbars and matrices get initialized */
+	this->OnResize();
+
 	int nx = this->left;
 	int ny = this->top;