FlowCanvas 0.7.1
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00001 /* This file is part of FlowCanvas. 00002 * Copyright (C) 2007-2009 David Robillard <http://drobilla.net> 00003 * 00004 * FlowCanvas is free software; you can redistribute it and/or modify it under the 00005 * terms of the GNU General Public License as published by the Free Software 00006 * Foundation; either version 2 of the License, or (at your option) any later 00007 * version. 00008 * 00009 * FlowCanvas is distributed in the hope that it will be useful, but WITHOUT ANY 00010 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00011 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. 00012 * 00013 * You should have received a copy of the GNU General Public License along 00014 * with this program; if not, write to the Free Software Foundation, Inc., 00015 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 00016 */ 00017 00018 #ifndef FLOWCANVAS_ELLIPSE_HPP 00019 #define FLOWCANVAS_ELLIPSE_HPP 00020 00021 #include <string> 00022 #include <map> 00023 #include <algorithm> 00024 #include <boost/shared_ptr.hpp> 00025 #include <libgnomecanvasmm.h> 00026 #include "flowcanvas/Connectable.hpp" 00027 #include "flowcanvas/Item.hpp" 00028 00029 namespace FlowCanvas { 00030 00031 class Canvas; 00032 00033 00041 class Ellipse : public Item, public Connectable 00042 { 00043 public: 00044 Ellipse(boost::shared_ptr<Canvas> canvas, 00045 const std::string& name, 00046 double x, 00047 double y, 00048 double x_radius, 00049 double y_radius, 00050 bool show_title = true); 00051 00052 virtual ~Ellipse(); 00053 00054 Gnome::Art::Point src_connection_point() { 00055 return Gnome::Art::Point(property_x(), property_y()); 00056 } 00057 00058 virtual Gnome::Art::Point dst_connection_point(const Gnome::Art::Point& src); 00059 virtual Gnome::Art::Point connection_point_vector(double dx, double dy); 00060 00061 void add_connection(boost::shared_ptr<Connection> c); 00062 00063 bool point_is_within(double x, double y); 00064 00065 void zoom(double z); 00066 void resize(); 00067 00068 virtual void move(double dx, double dy); 00069 virtual void move_to(double x, double y); 00070 00071 virtual void load_location() {} 00072 virtual void store_location() {} 00073 00074 virtual void set_name(const std::string& n); 00075 00076 void set_width(double w); 00077 00078 void set_height(double h); 00079 00080 double border_width() const { return _border_width; } 00081 void set_border_width(double w); 00082 00083 void select_tick(); 00084 void set_selected(bool b); 00085 00086 void set_highlighted(bool b); 00087 void set_border_color(uint32_t c); 00088 void set_base_color(uint32_t c); 00089 void set_default_base_color(); 00090 00091 protected: 00092 bool is_within(const Gnome::Canvas::Rect& rect); 00093 00094 double _border_width; 00095 bool _title_visible; 00096 00097 Gnome::Canvas::Ellipse _ellipse; 00098 Gnome::Canvas::Text* _label; 00099 }; 00100 00101 00102 } // namespace FlowCanvas 00103 00104 #endif // FLOWCANVAS_ELLIPSE_HPP