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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
*/
#include <libgnomecanvasmm/libgnomecanvasmm.h>
#include "flowcanvas/Port.h"
#include "flowcanvas/Module.h"
#include "flowcanvas/FlowCanvas.h"
namespace LibFlowCanvas {
Port::Port(Module* module, const string& name, bool is_input, int color)
: Gnome::Canvas::Group(*module, 0, 0),
m_module(module),
m_name(name),
m_is_input(is_input),
m_colour(color),
m_label(*this, 1, 1, m_name),
m_rect(*this, 0, 0, 0, 0)
{
m_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(
"Disconnect All", sigc::mem_fun(this, &Port::disconnect_all)));
m_rect.property_fill_color_rgba() = color;
// Make rectangle pretty
//m_rect.property_outline_color_rgba() = 0x8899AAFF;
m_rect.property_outline_color_rgba() = color;
m_rect.property_join_style() = Gdk::JOIN_MITER;
border_width(1.0);
// Make label pretty
m_label.property_size() = PORT_LABEL_SIZE;
m_label.property_fill_color_rgba() = 0xFFFFFFFF;
m_label.property_weight() = 200;
m_width = m_label.property_text_width() + 4.0;
m_height = m_label.property_text_height();
// Place everything
m_rect.property_x1() = 0;
m_rect.property_y1() = 0;
m_rect.property_x2() = m_width;
m_rect.property_y2() = m_height;
m_label.property_x() = m_label.property_text_width() / 2 + 1;
m_label.property_y() = m_height / 2;
m_label.raise_to_top();
}
/** Set the border width of the port's rectangle.
*
* Do NOT directly set the width_units property on the rect, use this function.
*/
void
Port::border_width(double w)
{
m_border_width = w;
m_rect.property_width_units() = w;
}
void
Port::name(const string& n)
{
m_name = n;
// Reposition label
m_label.property_text() = m_name;
m_width = m_label.property_text_width() + 4.0;
m_height = m_label.property_text_height();
m_rect.property_x2() = m_width;
m_rect.property_y2() = m_height;
m_label.property_x() = m_label.property_text_width() / 2 + 1;
m_label.property_y() = m_height / 2;
m_module->resize();
}
void
Port::zoom(float z)
{
m_label.property_size() = static_cast<int>(8000 * z);
}
/** Update the location of all connections to/from this port if this port has moved */
void
Port::move_connections()
{
for (list<Connection*>::iterator i = m_connections.begin(); i != m_connections.end(); i++) {
((Connection*)(*i))->update_location();
}
}
void
Port::remove_connection(Connection* c)
{
m_connections.erase(
find(m_connections.begin(), m_connections.end(), c)
);
}
void
Port::disconnect_all()
{
Connection* c = NULL;
list<Connection*> temp_list = m_connections;
for (list<Connection*>::iterator i = temp_list.begin(); i != temp_list.end(); ++i) {
c = *i;
m_module->patch_bay()->disconnect(c->source_port(), c->dest_port());
}
}
void
Port::hilite(bool b)
{
m_module->hilite(b);
for (list<Connection*>::iterator i = m_connections.begin(); i != m_connections.end(); ++i) {
(*i)->hilite(b);
if (b)
(*i)->raise_to_top();
}
if (b) {
raise_to_top();
m_rect.raise_to_top();
m_label.raise_to_top();
m_rect.property_fill_color_rgba() = m_colour + 0x33333300;
} else {
m_rect.property_fill_color_rgba() = m_colour;
}
}
void
Port::raise_connections()
{
for (list<Connection*>::iterator i = m_connections.begin(); i != m_connections.end(); ++i) {
(*i)->raise_to_top();
}
}
// Returns the world-relative coordinates of where a connection line
// should attach
Gnome::Art::Point
Port::connection_coords()
{
double x = (is_input()) ? m_rect.property_x1()-1.0 : m_rect.property_x2()+1.0;
double y = m_rect.property_y1() + m_height / 2;
i2w(x, y); // convert to world-relative coords
return Gnome::Art::Point(x, y);
}
void
Port::width(double w)
{
double diff = w - m_width;
m_rect.property_x2() = m_rect.property_x2() + diff;
m_width = w;
}
} // namespace LibFlowCanvas
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