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/* This file is part of FlowCanvas. Copyright (C) 2005 Dave Robillard.
*
* FlowCanvas is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* FlowCanvas is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef PORT_H
#define PORT_H
#include <string>
#include <list>
#include <libgnomecanvasmm.h>
using std::string; using std::list;
namespace LibFlowCanvas {
class Connection;
class Module;
static const int PORT_LABEL_SIZE = 8000; // in thousandths of a point
/** A port on a module on the canvas.
*
* This is a group that contains both the label and rectangle for a port.
*
* \ingroup FlowCanvas
*/
class Port : public Gnome::Canvas::Group
{
public:
Port(Module* module, const string& name, bool is_input, int colour);
virtual ~Port() {};
void add_connection(Connection* c) { m_connections.push_back(c); }
void remove_connection(Connection* c);
void move_connections();
void raise_connections();
void disconnect_all();
Gnome::Art::Point connection_coords();
void hilite(bool b);
void zoom(float z);
void popup_menu(guint button, guint32 activate_time) {
m_menu.popup(button, activate_time);
}
Module* module() const { return m_module; }
list<Connection*>& connections() { return m_connections; }
Gnome::Canvas::Rect* rect() { return &m_rect; }
Gnome::Canvas::Text* label() { return &m_label; }
bool is_input() const { return m_is_input; }
bool is_output() const { return !m_is_input; }
int colour() const { return m_colour; }
double border_width() const { return m_border_width; }
void border_width(double w);
const string& name() const { return m_name; }
virtual void name(const string& n);
double width() const { return m_width; }
void width(double w);
double height() const { return m_height; }
protected:
Module* m_module;
string m_name;
bool m_is_input;
double m_width;
double m_height;
double m_border_width;
int m_colour;
list<Connection*> m_connections; // needed for dragging
Gnome::Canvas::Text m_label;
Gnome::Canvas::Rect m_rect;
Gtk::Menu m_menu;
};
typedef list<Port*> PortList;
} // namespace LibFlowCanvas
#endif // PORT_H
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