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diff --git a/src/gui/widgets/layoutarray.h b/src/gui/widgets/layoutarray.h
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+/*
+ *  The ManaPlus Client
+ *  Copyright (C) 2007-2009  The Mana World Development Team
+ *  Copyright (C) 2009-2010  The Mana Developers
+ *  Copyright (C) 2011-2014  The ManaPlus Developers
+ *
+ *  This file is part of The ManaPlus Client.
+ *
+ *  This program 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.
+ *
+ *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GUI_WIDGETS_LAYOUTARRAY_H
+#define GUI_WIDGETS_LAYOUTARRAY_H
+
+#include "gui/widgets/layoutcell.h"
+
+#include <vector>
+
+#include "localconsts.h"
+
+class BasicContainer2;
+class Widget;
+
+/**
+ * This class contains a rectangular array of cells.
+ */
+class LayoutArray final
+{
+    friend class LayoutCell;
+
+    public:
+        LayoutArray();
+
+        ~LayoutArray();
+
+        /**
+         * Returns a reference on the cell at given position.
+         */
+        LayoutCell &at(const int x, const int y,
+                       const int w = 1, const int h = 1) A_WARN_UNUSED;
+
+        /**
+         * Places a widget in a given cell.
+         * @param w number of columns the widget spawns.
+         * @param h number of rows the widget spawns.
+         * @note When @a w is 1, the width of column @a x is reset to zero if
+         *       it was AUTO_DEF. Similarly for @a h.
+         */
+        LayoutCell &place(Widget *const widget, const int x, const int y,
+                          const int w = 1, const int h = 1);
+
+        /**
+         * Sets the minimum width of a column.
+         */
+        void setColWidth(const int n, const int w);
+
+        /**
+         * Sets the minimum height of a row.
+         */
+        void setRowHeight(const int n, const int h);
+
+        /**
+         * Sets the widths of two columns to the maximum of their widths.
+         */
+        void matchColWidth(const int n1, const int n2);
+
+        /**
+         * Spawns a cell over several columns/rows.
+         */
+        void extend(const int x, const int y, const int w, const int h);
+
+        /**
+         * Computes and sets the positions of all the widgets.
+         * @param nW width of the array, used to resize the AUTO_ columns.
+         * @param nH height of the array, used to resize the AUTO_ rows.
+         */
+        void reflow(const int nX, const int nY, const int nW, const int nH);
+
+    private:
+        // Copy not allowed, as the array owns all its cells.
+        explicit LayoutArray(LayoutArray const &);
+        LayoutArray &operator=(LayoutArray const &);
+
+        /**
+         * Gets the position and size of a widget along a given axis
+         */
+        void align(int &restrict pos, int &restrict size, const int dim,
+                   LayoutCell const &restrict cell,
+                   const int *restrict const sizes, const int sizeCount) const;
+
+        /**
+         * Ensures the private vectors are large enough.
+         */
+        void resizeGrid(int w, const int h);
+
+        /**
+         * Gets the column/row sizes along a given axis.
+         * @param upp target size for the array. Ignored if AUTO_DEF.
+         */
+        std::vector<int> getSizes(const int dim, int upp) const A_WARN_UNUSED;
+
+        /**
+         * Gets the total size along a given axis.
+         */
+        int getSize(const int dim) const A_WARN_UNUSED;
+
+        std::vector<int> mSizes[2];
+        std::vector< std::vector < LayoutCell * > > mCells;
+
+        int mSpacing;
+};
+
+#endif  // GUI_WIDGETS_LAYOUTARRAY_H