The Gnome Chemistry Utils 0.13.3
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00001 // -*- C++ -*- 00002 00003 /* 00004 * Gnome Chemistry Utils 00005 * gccv/group.h 00006 * 00007 * Copyright (C) 2008-2010 Jean Bréfort <jean.brefort@normalesup.org> 00008 * 00009 * This program is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU General Public License as 00011 * published by the Free Software Foundation; either version 2 of the 00012 * License, or (at your option) any later version. 00013 * 00014 * This program is distributed in the hope that it will be useful, 00015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 * GNU General Public License for more details. 00018 * 00019 * You should have received a copy of the GNU General Public License 00020 * along with this program; if not, write to the Free Software 00021 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 00022 * USA 00023 */ 00024 00025 #ifndef GCCV_GROUP_H 00026 #define GCCV_GROUP_H 00027 00030 #include "item.h" 00031 #include <list> 00032 00033 namespace gccv { 00034 00046 class Group: public Item 00047 { 00048 public: 00054 Group (Canvas *canvas); 00062 Group (Canvas *canvas, double x, double y); 00070 Group (Group *parent, ItemClient *client = NULL); 00080 Group (Group *parent, double x, double y, ItemClient *client = NULL); 00084 virtual ~Group(); 00085 00093 void AddChild (Item *item); 00100 void RemoveChild (Item *item); 00107 void MoveToFront (Item *item); 00114 void MoveToBack (Item *item); 00115 00121 Item *GetFirstChild (std::list<Item *>::iterator &it); 00127 Item *GetNextChild (std::list<Item *>::iterator &it); 00128 00138 void AdjustBounds (double &x0, double &y0, double &x1, double &y1) const; 00145 void SetPosition (double x, double y); 00146 00147 // virtual methods 00156 double Distance (double x, double y, Item **item) const; 00167 bool Draw (cairo_t *cr, double x0, double y0, double x1, double y1, bool is_vector) const; 00174 void Move (double x, double y); 00175 00176 protected: 00177 void UpdateBounds (); 00178 00179 private: 00180 std::list<Item *> m_Children; 00181 double m_x, m_y; // translation offset 00182 }; 00183 00184 } 00185 00186 #endif // GCCV_GROUP_H