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handlebox.h

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00001 /***************************************************************************
00002  *   Copyright (C) 2004 by Rick L. Vinyard, Jr.                            *
00003  *   rvinyard@cs.nmsu.edu                                                  *
00004  *                                                                         *
00005  *   This file is part of the papyrus library.                             *
00006  *                                                                         *
00007  *   papyrus is free software; you can redistribute it and/or modify       *
00008  *   it under the terms of the GNU Lesser General Public License           *
00009  *   version 3.0 as published by the Free Software Foundation.             *
00010  *                                                                         *
00011  *   papyrus is distributed in the hope that it will be useful,            *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00014  *   GNU Lesser General Public License version 3.0 for more details.       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with the papyrus library. If not, see                   *
00018  *   <http://www.gnu.org/licenses/>.                                       *
00019  ***************************************************************************/
00020 #ifndef PAPYRUSHANDLEBOX_H
00021 #define PAPYRUSHANDLEBOX_H
00022 
00023 #include <papyrus/boxed.h>
00024 
00025 namespace Papyrus
00026 {
00027 
00031   class Handlebox : public Boxed
00032   {
00033     protected:
00034 
00035       Handlebox ( const Glib::ustring& id, Handles handles );
00036 
00037     public:
00038 
00039       typedef PapyrusPointer<Handlebox> pointer;
00040 
00041       static pointer create ( Handles handles=CORNER_HANDLES );
00042 
00043       static pointer create ( const Glib::ustring& id, Handles handles=CORNER_HANDLES );
00044 
00045       virtual ~Handlebox();
00046 
00047       void set_handle_shape ( Position p, Drawable::pointer shape, bool activate=true );
00048 
00049       void set_handle_shape ( Handles h, Drawable::pointer shape, bool activate=true );
00050 
00051       Drawable::pointer get_handle_shape ( Position p );
00052 
00053       void activate_handle ( Position p, bool activate=true );
00054 
00055       void activate_handle ( Handles h, bool activate=true );
00056 
00057       void deactivate_handle ( Position p );
00058 
00059       void deactivate_handle ( Handles h );
00060 
00061       bool is_active ( Position p );
00062 
00063       bool is_active ( Handles h );
00064 
00065       int inside_handle ( double x, double y );
00066 
00067       PAPYRUS_CLASS_NAME ( "Handle Box" );
00068 
00069       PAPYRUS_CLONE_METHOD ( Handlebox );
00070 
00071     protected:
00072       Drawable::pointer m_handle_shape[ 8 ];
00073       bool m_handle_active[8];
00074       bool m_initializing;
00075 
00080       virtual Region calculate_extents(const Matrix& m = Matrix::Identity, ExtentsPerformance ep = EXTENTS_QUICK) const;
00081 
00082       virtual void position_handle ( Drawable::pointer, double x, double y );
00083 
00084       virtual void on_child_added ( Drawable::pointer child );
00085 
00086       virtual void on_child_removed ( Drawable::pointer child );
00087 
00088   };
00089 
00090 }
00091 
00092 #endif

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