105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
/* This file is part of FlowCanvas.
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* Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
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*
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* FlowCanvas is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* FlowCanvas is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef FLOWCANVAS_ELLIPSE_HPP
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#define FLOWCANVAS_ELLIPSE_HPP
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#include <string>
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#include <map>
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#include <algorithm>
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#include <boost/shared_ptr.hpp>
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#include <libgnomecanvasmm.h>
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#include "Connectable.hpp"
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#include "Item.hpp"
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namespace FlowCanvas {
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class Canvas;
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/** A (possibly named) circular Item which is Connectable.
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*
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* Unlike a Module, this doesn't contain ports, but is directly Connectable itself
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* (think your classic circles 'n' lines diagram, ala FSM).
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*
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* \ingroup FlowCanvas
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*/
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class Ellipse : public Item, public Connectable
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{
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public:
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Ellipse(boost::shared_ptr<Canvas> canvas,
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const std::string& name,
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double x,
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double y,
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double x_radius,
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double y_radius,
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bool show_title = true);
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virtual ~Ellipse();
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Gnome::Art::Point src_connection_point() {
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return Gnome::Art::Point(property_x(), property_y());
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}
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virtual Gnome::Art::Point dst_connection_point(const Gnome::Art::Point& src);
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virtual Gnome::Art::Point connection_point_vector(double dx, double dy);
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void add_connection(boost::shared_ptr<Connection> c);
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bool point_is_within(double x, double y);
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void zoom(double z);
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void resize();
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virtual void move(double dx, double dy);
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virtual void move_to(double x, double y);
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virtual void load_location() {}
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virtual void store_location() {}
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virtual void set_name(const std::string& n);
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void set_width(double w);
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void set_height(double h);
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double border_width() const { return _border_width; }
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void set_border_width(double w);
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void select_tick();
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void set_selected(bool b);
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void set_highlighted(bool b);
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void set_border_color(uint32_t c);
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void set_base_color(uint32_t c);
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void set_default_base_color();
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protected:
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bool is_within(const Gnome::Canvas::Rect& rect);
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double _border_width;
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bool _title_visible;
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Gnome::Canvas::Ellipse _ellipse;
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Gnome::Canvas::Text* _label;
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};
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} // namespace FlowCanvas
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#endif // FLOWCANVAS_ELLIPSE_HPP
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