client.h

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00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * gccv/client.h 
00006  *
00007  * Copyright (C) 2008 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_CLIENT_H
00026 #define GCCV_CLIENT_H
00027 
00028 #include <gcu/macros.h>
00029 
00032 namespace gccv {
00033 
00034 class Canvas;
00035 class ItemClient;
00036 
00043 class Client {
00044 friend class Canvas;
00045 public:
00049         Client ();
00053         virtual ~Client ();
00054 
00055         // Signals
00068         virtual bool OnButtonPressed (ItemClient *client, unsigned button, double x, double y, unsigned state);
00082         virtual bool OnButtonReleased (ItemClient *client, unsigned button, double x, double y, unsigned state);
00095         virtual bool OnMotion (ItemClient *client, double x, double y, unsigned state);
00108         virtual bool OnDrag (ItemClient *client, double x, double y, unsigned state);
00116         virtual bool OnLeaveNotify (unsigned state);
00117 
00124 GCU_PROT_PROP (Canvas *, Canvas)
00125 };
00126 
00127 }
00128 
00129 #endif  //      GCCV_CLIENT_H

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