crystalview.h

00001 // -*- C++ -*-
00002 
00003 /* 
00004  * Gnome Chemistry Utils
00005  * crystalview.h 
00006  *
00007  * Copyright (C) 2002-2004 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 CRYSTAL_VIEW_H
00026 #define CRYSTAL_VIEW_H
00027 
00028 #include <libxml/parser.h>
00029 #include <gcu/matrix.h>
00030 #include <list>
00031 #include <gtk/gtkwidget.h>
00032 
00033 using namespace std;
00034 
00035 namespace gcu
00036 {
00037 class CrystalDoc;
00038         
00044 class CrystalView
00045 {
00046 public:
00048 
00053         CrystalView (CrystalDoc* pDoc);
00055 
00058         virtual ~CrystalView ();
00059         
00064         GtkWidget* CreateNewWidget ();
00070         void Init (GtkWidget *widget);
00076         void Reshape (GtkWidget *widget);
00082         void Draw (GtkWidget *widget);
00086         void Update ();
00092         void Update (GtkWidget *widget);
00099         bool OnPressed (GtkWidget *widget, GdkEventButton *event);
00106         void OnMotion (GtkWidget *widget, GdkEventMotion *event);
00112         void OnDestroyed (GtkWidget *widget);
00113 
00119         virtual bool Load (xmlNodePtr node);
00124         virtual xmlNodePtr Save (xmlDocPtr xml);
00125 
00126 private:
00133         void Rotate (gdouble x, gdouble y);
00134 
00135 protected:
00139         gdouble m_fAngle;
00143         gdouble m_fRadius;
00147         gdouble m_psi;
00151         gdouble m_theta;
00155         gdouble m_phi;
00159         gdouble m_height;
00163         gdouble m_width;
00167         gdouble m_near;
00168 /*
00169 The distance of the back plane delimiting the volume active in the OpenGL representation to the viewer.
00170 */
00171         gdouble m_far;
00175         Matrix m_Euler;
00179         unsigned m_nGLList;
00180         //background color
00184         float m_fBlue;
00188         float m_fRed;
00192         float m_fGreen;
00196         float m_fAlpha;
00200         CrystalDoc* m_pDoc;
00204         GtkWidget* m_pWidget;
00205 
00206 private:
00207         bool m_bInit;
00208         gdouble m_lastx, m_lasty;
00209         list<GtkWidget*> m_Widgets;
00210 };
00211 
00212 } //namespace gcu
00213 
00214 #endif //CRYSTAL_VIEW_H

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