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+/*
+ *  The Mana World
+ *  Copyright 2009 The Mana World Development Team
+ *
+ *  This file is part of The Mana World.
+ *
+ *  The Mana World is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  The Mana World is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with The Mana World; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef LAYOUTHELPER_H
+#define LAYOUTHELPER_H
+
+#include "layout.h"
+
+#include <guichan/widgetlistener.hpp>
+
+/**
+ * A helper class for adding a layout to a Guichan container widget. The layout
+ * will register itself as a widget listener and relayout the widgets in the
+ * container dynamically on resize.
+ */
+class LayoutHelper : public gcn::WidgetListener
+{
+    public:
+        /**
+         * Constructor.
+         */
+        LayoutHelper(gcn::Container *container);
+
+        /**
+         * Destructor.
+         */
+        ~LayoutHelper();
+
+        /**
+         * Gets the layout handler.
+         */
+        Layout &getLayout();
+
+        /**
+         * Computes the position of the widgets according to the current
+         * layout. Resizes the managed container so that the layout fits.
+         *
+         * @note This function is meant to be called with fixed-size
+         * containers.
+         *
+         * @param w if non-zero, force the container to this width.
+         * @param h if non-zero, force the container to this height.
+         */
+        void reflowLayout(int w = 0, int h = 0);
+
+        /**
+         * Adds a widget to the container and sets it at given cell.
+         */
+        LayoutCell &place(int x, int y, gcn::Widget *, int w = 1, int h = 1);
+
+        /**
+         * Returns a proxy for adding widgets in an inner table of the layout.
+         */
+        ContainerPlacer getPlacer(int x, int y);
+
+        /**
+         * Called whenever the managed container changes size.
+         */
+        void widgetResized(const gcn::Event &event);
+
+    private:
+        Layout mLayout;              /**< Layout handler */
+        gcn::Container *mContainer;  /**< Managed container */
+};
+
+#endif // LAYOUTHELPER_H