Index: src/network/network_chat_gui.cpp
===================================================================
--- src/network/network_chat_gui.cpp	(revision 27145)
+++ src/network/network_chat_gui.cpp	(working copy)
@@ -21,6 +21,7 @@
 #include "../querystring_gui.h"
 #include "../town.h"
 #include "../window_func.h"
+#include "../toolbar_gui.h"
 #include "../core/geometry_func.hpp"
 #include "network.h"
 #include "network_client.h"
@@ -321,6 +322,11 @@
 		InvalidateWindowData(WC_NEWS_WINDOW, 0, 0);
 	}
 
+	virtual void FindWindowPlacementAndResize(int def_width, int def_height)
+	{
+		Window::FindWindowPlacementAndResize(_toolbar_width, def_height);
+	}
+
 	/**
 	 * Find the next item of the list of things that can be auto-completed.
 	 * @param item The current indexed item to return. This function can, and most
@@ -536,7 +542,7 @@
 
 /** The description of the chat window. */
 static WindowDesc _chat_window_desc(
-	WDP_MANUAL, NULL, 640, 14, // x, y, width, height
+	WDP_MANUAL, NULL, 0, 0,
 	WC_SEND_NETWORK_MSG, WC_NONE,
 	0,
 	_nested_chat_window_widgets, lengthof(_nested_chat_window_widgets)
Index: src/toolbar_gui.cpp
===================================================================
--- src/toolbar_gui.cpp	(revision 27145)
+++ src/toolbar_gui.cpp	(working copy)
@@ -46,6 +46,7 @@
 #include "game/game.hpp"
 #include "goal_base.h"
 #include "story_base.h"
+#include "toolbar_gui.h"
 
 #include "widgets/toolbar_widget.h"
 
@@ -56,6 +57,9 @@
 #include "safeguards.h"
 
 
+/** Width of the toolbar, shared by statusbar. */
+uint _toolbar_width = 0;
+
 RailType _last_built_railtype;
 RoadType _last_built_roadtype;
 
@@ -1350,7 +1354,7 @@
 				child_wid->current_x = child_wid->smallest_x;
 			}
 		}
-		w->window_desc->default_width = nbuttons * this->smallest_x;
+		_toolbar_width = nbuttons * this->smallest_x;
 	}
 
 	void AssignSizePosition(SizingType sizing, uint x, uint y, uint given_width, uint given_height, bool rtl)
@@ -1526,7 +1530,7 @@
 
 			assert(i < lengthof(this->panel_widths));
 			this->panel_widths[i++] = child_wid->current_x;
-			w->window_desc->default_width += child_wid->current_x;
+			_toolbar_width += child_wid->current_x;
 		}
 	}
 
@@ -1666,6 +1670,11 @@
 		DoZoomInOutWindow(ZOOM_NONE, this);
 	}
 
+	virtual void FindWindowPlacementAndResize(int def_width, int def_height)
+	{
+		Window::FindWindowPlacementAndResize(_toolbar_width, def_height);
+	}
+
 	virtual void OnPaint()
 	{
 		/* If spectator, disable all construction buttons
@@ -1900,7 +1909,7 @@
 };
 
 static WindowDesc _toolb_normal_desc(
-	WDP_MANUAL, NULL, 640, 22,
+	WDP_MANUAL, NULL, 0, 0,
 	WC_MAIN_TOOLBAR, WC_NONE,
 	WDF_NO_FOCUS,
 	_nested_toolbar_normal_widgets, lengthof(_nested_toolbar_normal_widgets),
@@ -2211,7 +2220,7 @@
 };
 
 static WindowDesc _toolb_scen_desc(
-	WDP_MANUAL, NULL, 640, 22,
+	WDP_MANUAL, NULL, 0, 0,
 	WC_MAIN_TOOLBAR, WC_NONE,
 	WDF_NO_FOCUS,
 	_nested_toolb_scen_widgets, lengthof(_nested_toolb_scen_widgets),
Index: src/statusbar_gui.cpp
===================================================================
--- src/statusbar_gui.cpp	(revision 27145)
+++ src/statusbar_gui.cpp	(working copy)
@@ -24,6 +24,7 @@
 #include "saveload/saveload.h"
 #include "window_func.h"
 #include "statusbar_gui.h"
+#include "toolbar_gui.h"
 #include "core/geometry_func.hpp"
 
 #include "widgets/statusbar_widget.h"
@@ -101,6 +102,11 @@
 		return pt;
 	}
 
+	virtual void FindWindowPlacementAndResize(int def_width, int def_height)
+	{
+		Window::FindWindowPlacementAndResize(_toolbar_width, def_height);
+	}
+
 	virtual void UpdateWidgetSize(int widget, Dimension *size, const Dimension &padding, Dimension *fill, Dimension *resize)
 	{
 		Dimension d;
@@ -238,7 +244,7 @@
 };
 
 static WindowDesc _main_status_desc(
-	WDP_MANUAL, NULL, 640, 12,
+	WDP_MANUAL, NULL, 0, 0,
 	WC_STATUS_BAR, WC_NONE,
 	WDF_NO_FOCUS,
 	_nested_main_status_widgets, lengthof(_nested_main_status_widgets)
Index: src/toolbar_gui.h
===================================================================
--- src/toolbar_gui.h	(revision 27145)
+++ src/toolbar_gui.h	(working copy)
@@ -16,4 +16,6 @@
 void ToggleBoundingBoxes();
 void ToggleDirtyBlocks();
 
+extern uint _toolbar_width;
+
 #endif /* TOOLBAR_GUI_H */
Index: src/window.cpp
===================================================================
--- src/window.cpp	(revision 27145)
+++ src/window.cpp	(working copy)
@@ -3388,7 +3388,7 @@
 				continue;
 
 			case WC_MAIN_TOOLBAR:
-				ResizeWindow(w, min(neww, w->window_desc->default_width) - w->width, 0, false);
+				ResizeWindow(w, min(neww, _toolbar_width) - w->width, 0, false);
 
 				top = w->top;
 				left = PositionMainToolbar(w); // changes toolbar orientation
@@ -3400,14 +3400,15 @@
 				break;
 
 			case WC_STATUS_BAR:
-				ResizeWindow(w, min(neww, w->window_desc->default_width) - w->width, 0, false);
+				ResizeWindow(w, min(neww, _toolbar_width) - w->width, 0, false);
 
 				top = newh - w->height;
 				left = PositionStatusbar(w);
 				break;
 
 			case WC_SEND_NETWORK_MSG:
-				ResizeWindow(w, Clamp(neww, 320, 640) - w->width, 0, false);
+				ResizeWindow(w, min(neww, _toolbar_width) - w->width, 0, false);
+
 				top = newh - w->height - FindWindowById(WC_STATUS_BAR, 0)->height;
 				left = PositionNetworkChatWindow(w);
 				break;
Index: src/window_gui.h
===================================================================
--- src/window_gui.h	(revision 27145)
+++ src/window_gui.h	(working copy)
@@ -271,7 +271,7 @@
 protected:
 	void InitializeData(WindowNumber window_number);
 	void InitializePositionSize(int x, int y, int min_width, int min_height);
-	void FindWindowPlacementAndResize(int def_width, int def_height);
+	virtual void FindWindowPlacementAndResize(int def_width, int def_height);
 
 	SmallVector<int, 4> scheduled_invalidation_data;  ///< Data of scheduled OnInvalidateData() calls.