The Gnome Chemistry Utils  0.14.0
group.h
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1 // -*- C++ -*-
2 
3 /*
4  * Gnome Chemistry Utils
5  * gccv/group.h
6  *
7  * Copyright (C) 2008-2010 Jean Bréfort <jean.brefort@normalesup.org>
8  *
9  * This program is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License as
11  * published by the Free Software Foundation; either version 3 of the
12  * License, or (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
22  * USA
23  */
24 
25 #ifndef GCCV_GROUP_H
26 #define GCCV_GROUP_H
27 
30 #include "item.h"
31 #include <list>
32 
33 namespace gccv {
34 
46 class Group: public Item
47 {
48 public:
54  Group (Canvas *canvas);
62  Group (Canvas *canvas, double x, double y);
70  Group (Group *parent, ItemClient *client = NULL);
80  Group (Group *parent, double x, double y, ItemClient *client = NULL);
84  virtual ~Group();
85 
93  void AddChild (Item *item);
100  void RemoveChild (Item *item);
107  void MoveToFront (Item *item);
114  void MoveToBack (Item *item);
115 
121  Item *GetFirstChild (std::list<Item *>::iterator &it);
127  Item *GetNextChild (std::list<Item *>::iterator &it);
128 
138  void AdjustBounds (double &x0, double &y0, double &x1, double &y1) const;
145  void SetPosition (double x, double y);
146 
147  // virtual methods
156  double Distance (double x, double y, Item **item) const;
167  bool Draw (cairo_t *cr, double x0, double y0, double x1, double y1, bool is_vector) const;
174  void Move (double x, double y);
175 
176 protected:
177  void UpdateBounds ();
178 
179 private:
180  std::list<Item *> m_Children;
181  double m_x, m_y; // translation offset
182 };
183 
184 }
185 
186 #endif // GCCV_GROUP_H