/* * The ManaPlus Client * Copyright (C) 2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011-2013 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_LAYOUTHELPER_H #define GUI_WIDGETS_LAYOUTHELPER_H #include "gui/widgets/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 final : public gcn::WidgetListener { public: /** * Constructor. */ explicit LayoutHelper(gcn::Container *const container); A_DELETE_COPY(LayoutHelper) /** * Destructor. */ ~LayoutHelper(); /** * Gets the layout handler. */ const Layout &getLayout() const A_WARN_UNUSED; /** * 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(const int x, const int y, gcn::Widget *const wg, const int w = 1, const int h = 1); /** * Returns a proxy for adding widgets in an inner table of the layout. */ ContainerPlacer getPlacer(const int x, const int y) A_WARN_UNUSED; /** * Called whenever the managed container changes size. */ void widgetResized(const gcn::Event &event) override; private: Layout mLayout; /**< Layout handler */ gcn::Container *mContainer; /**< Managed container */ }; #endif // GUI_WIDGETS_LAYOUTHELPER_H