FlowCanvas 0.5.1
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00001 /* This file is part of FlowCanvas. 00002 * Copyright (C) 2007 Dave 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_PORT_HPP 00019 #define FLOWCANVAS_PORT_HPP 00020 00021 #include <string> 00022 #include <list> 00023 #include <vector> 00024 #include <inttypes.h> 00025 #include <libgnomecanvasmm.h> 00026 #include <boost/shared_ptr.hpp> 00027 #include <boost/weak_ptr.hpp> 00028 #include <flowcanvas/Connectable.hpp> 00029 00030 namespace FlowCanvas { 00031 00032 class Connection; 00033 class Module; 00034 00035 00036 static const int PORT_LABEL_SIZE = 8000; // in thousandths of a point 00037 00038 00045 class Port : public Gnome::Canvas::Group, public Connectable 00046 { 00047 public: 00048 Port(boost::shared_ptr<Module> module, 00049 const std::string& name, 00050 bool is_input, 00051 uint32_t color); 00052 00053 virtual ~Port(); 00054 00055 void disconnect_all(); 00056 00057 virtual Gnome::Art::Point src_connection_point(); 00058 virtual Gnome::Art::Point dst_connection_point(const Gnome::Art::Point& src); 00059 00060 boost::weak_ptr<Module> module() const { return _module; } 00061 00062 void set_fill_color(uint32_t c) { _rect->property_fill_color_rgba() = c; } 00063 00064 void set_selected(bool b); 00065 bool selected() const { return _selected; } 00066 00067 void set_highlighted(bool highlight, 00068 bool highlight_parent=true, 00069 bool highlight_connections=true, 00070 bool raise_connections=true); 00071 00072 void zoom(float z); 00073 00074 void popup_menu(guint button, guint32 activate_time) { 00075 if ( ! _menu) 00076 create_menu(); 00077 if (_menu) 00078 _menu->popup(button, activate_time); 00079 } 00080 00081 virtual void create_menu(); 00082 void set_menu(Gtk::Menu* m); 00083 00084 Gtk::Menu* menu() const { return _menu; } 00085 00086 double width() const { return _width; } 00087 void set_width(double w); 00088 00089 double border_width() const { return _border_width; } 00090 void set_border_width(double w); 00091 00092 const std::string& name() const { return _name; } 00093 virtual void set_name(const std::string& n); 00094 00095 bool is_input() const { return _is_input; } 00096 bool is_output() const { return !_is_input; } 00097 uint32_t color() const { return _color; } 00098 double height() const { return _height; } 00099 00100 virtual bool is_toggled() const { return _toggled; } 00101 virtual void set_toggled(bool b) { _toggled = b; } 00102 virtual void toggle(bool signal=true); 00103 00104 virtual void set_control(float value, bool signal=true); 00105 virtual void set_control_min(float min) { _control_min = min; set_control(_control_value, false); } 00106 virtual void set_control_max(float max) { _control_max = max; set_control(_control_value, false); } 00107 00108 float control_value() { return _control_value; } 00109 float control_min() { return _control_min; } 00110 float control_max() { return _control_max; } 00111 00112 void show_control(); 00113 void hide_control(); 00114 00115 inline bool operator==(const std::string& name) { return (_name == name); } 00116 00117 sigc::signal<void> signal_renamed; 00118 sigc::signal<void,float> signal_control_changed; 00119 00120 protected: 00121 friend class Canvas; 00122 00123 void on_menu_hide(); 00124 00125 boost::weak_ptr<Module> _module; 00126 std::string _name; 00127 bool _is_input; 00128 double _width; 00129 double _height; 00130 double _border_width; 00131 uint32_t _color; 00132 bool _selected; 00133 00134 bool _toggled; 00135 float _control_value; 00136 float _control_min; 00137 float _control_max; 00138 00139 Gnome::Canvas::Text* _label; 00140 Gnome::Canvas::Rect* _rect; 00141 Gnome::Canvas::Rect* _control_rect; 00142 Gtk::Menu* _menu; 00143 }; 00144 00145 typedef std::vector<boost::shared_ptr<Port> > PortVector; 00146 00147 00148 } // namespace FlowCanvas 00149 00150 #endif // FLOWCANVAS_PORT_HPP