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00018 #ifndef FLOWCANVAS_MODULE_HPP
00019 #define FLOWCANVAS_MODULE_HPP
00020
00021 #include <string>
00022 #include <algorithm>
00023 #include <boost/shared_ptr.hpp>
00024 #include <libgnomecanvasmm.h>
00025 #include <flowcanvas/Port.hpp>
00026 #include <flowcanvas/Item.hpp>
00027
00028 namespace FlowCanvas {
00029
00030 class Canvas;
00031
00032
00037 class Module : public Item
00038 {
00039 public:
00040 Module(boost::shared_ptr<Canvas> canvas,
00041 const std::string& name,
00042 double x = 0,
00043 double y = 0,
00044 bool show_title = true);
00045
00046 virtual ~Module();
00047
00048 const PortVector& ports() const { return _ports; }
00049
00050 inline boost::shared_ptr<Port> get_port(const std::string& name) const;
00051
00052 void add_port(boost::shared_ptr<Port> port);
00053 void remove_port(boost::shared_ptr<Port> port);
00054 boost::shared_ptr<Port> remove_port(const std::string& name);
00055 boost::shared_ptr<Port> port_at(double x, double y);
00056
00057 void zoom(double z);
00058 void resize();
00059
00060 virtual void move(double dx, double dy);
00061 virtual void move_to(double x, double y);
00062
00063 virtual void set_name(const std::string& n);
00064
00065 double border_width() const { return _border_width; }
00066 void set_border_width(double w);
00067
00068 void select_tick();
00069 void set_selected(bool b);
00070
00071 void set_highlighted(bool b);
00072 void set_border_color(uint32_t c);
00073 void set_base_color(uint32_t c);
00074 void set_default_base_color();
00075 void set_stacked_border(bool b);
00076 void set_icon(const Glib::RefPtr<Gdk::Pixbuf>& icon);
00077
00078 size_t num_ports() const { return _ports.size(); }
00079
00080 protected:
00081 virtual void on_drop(double new_x, double new_y);
00082 virtual bool on_event(GdkEvent* ev);
00083
00084 virtual void set_width(double w);
00085 virtual void set_height(double h);
00086
00087 void fit_canvas();
00088
00089 void embed(Gtk::Container* widget);
00090
00091 double _border_width;
00092 bool _title_visible;
00093 double _embed_width;
00094 double _embed_height;
00095 double _icon_size;
00096 double _widest_input;
00097 double _widest_output;
00098
00099 PortVector _ports;
00100
00101 Gnome::Canvas::Rect _module_box;
00102 Gnome::Canvas::Text _canvas_title;
00103 Gnome::Canvas::Rect* _stacked_border;
00104 Gnome::Canvas::Pixbuf* _icon_box;
00105 Gtk::Container* _embed_container;
00106 Gnome::Canvas::Widget* _embed_item;
00107
00108 private:
00109 friend class Canvas;
00110
00111 struct PortComparator {
00112 PortComparator(const std::string& name) : _name(name) {}
00113 inline bool operator()(const boost::shared_ptr<Port> port)
00114 { return (port && port->name() == _name); }
00115 const std::string& _name;
00116 };
00117
00118 void embed_size_request(Gtk::Requisition* req, bool force);
00119 };
00120
00121
00122
00123
00124
00125
00127 inline boost::shared_ptr<Port>
00128 Module::get_port(const std::string& port_name) const
00129 {
00130 PortComparator comp(port_name);
00131 PortVector::const_iterator i = std::find_if(_ports.begin(), _ports.end(), comp);
00132 return (i != _ports.end()) ? *i : boost::shared_ptr<Port>();
00133 }
00134
00135
00136 }
00137
00138 #endif // FLOWCANVAS_MODULE_HPP