190 lines
4.4 KiB
C++
190 lines
4.4 KiB
C++
/* This file is part of FlowCanvas. Copyright (C) 2005 Dave Robillard.
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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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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <libgnomecanvasmm/libgnomecanvasmm.h>
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#include "flowcanvas/Port.h"
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#include "flowcanvas/Module.h"
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#include "flowcanvas/FlowCanvas.h"
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namespace LibFlowCanvas {
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Port::Port(Module* module, const string& name, bool is_input, int color)
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: Gnome::Canvas::Group(*module, 0, 0),
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m_module(module),
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m_name(name),
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m_is_input(is_input),
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m_colour(color),
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m_label(*this, 1, 1, m_name),
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m_rect(*this, 0, 0, 0, 0)
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{
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m_menu.items().push_back(Gtk::Menu_Helpers::MenuElem(
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"Disconnect All", sigc::mem_fun(this, &Port::disconnect_all)));
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m_rect.property_fill_color_rgba() = color;
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// Make rectangle pretty
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//m_rect.property_outline_color_rgba() = 0x8899AAFF;
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m_rect.property_outline_color_rgba() = color;
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m_rect.property_join_style() = Gdk::JOIN_MITER;
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border_width(1.0);
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// Make label pretty
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m_label.property_size() = PORT_LABEL_SIZE;
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m_label.property_fill_color_rgba() = 0xFFFFFFFF;
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m_label.property_weight() = 200;
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m_width = m_label.property_text_width() + 4.0;
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m_height = m_label.property_text_height();
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// Place everything
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m_rect.property_x1() = 0;
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m_rect.property_y1() = 0;
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m_rect.property_x2() = m_width;
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m_rect.property_y2() = m_height;
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m_label.property_x() = m_label.property_text_width() / 2 + 1;
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m_label.property_y() = m_height / 2;
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m_label.raise_to_top();
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}
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/** Set the border width of the port's rectangle.
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*
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* Do NOT directly set the width_units property on the rect, use this function.
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*/
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void
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Port::border_width(double w)
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{
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m_border_width = w;
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m_rect.property_width_units() = w;
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}
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void
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Port::name(const string& n)
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{
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m_name = n;
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// Reposition label
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m_label.property_text() = m_name;
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m_width = m_label.property_text_width() + 4.0;
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m_height = m_label.property_text_height();
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m_rect.property_x2() = m_width;
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m_rect.property_y2() = m_height;
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m_label.property_x() = m_label.property_text_width() / 2 + 1;
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m_label.property_y() = m_height / 2;
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m_module->resize();
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}
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void
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Port::zoom(float z)
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{
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m_label.property_size() = static_cast<int>(8000 * z);
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}
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/** Update the location of all connections to/from this port if this port has moved */
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void
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Port::move_connections()
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{
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for (list<Connection*>::iterator i = m_connections.begin(); i != m_connections.end(); i++) {
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((Connection*)(*i))->update_location();
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}
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}
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void
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Port::remove_connection(Connection* c)
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{
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m_connections.erase(
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find(m_connections.begin(), m_connections.end(), c)
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);
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}
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void
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Port::disconnect_all()
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{
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Connection* c = NULL;
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list<Connection*> temp_list = m_connections;
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for (list<Connection*>::iterator i = temp_list.begin(); i != temp_list.end(); ++i) {
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c = *i;
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m_module->patch_bay()->disconnect(c->source_port(), c->dest_port());
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}
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}
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void
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Port::hilite(bool b)
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{
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m_module->hilite(b);
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for (list<Connection*>::iterator i = m_connections.begin(); i != m_connections.end(); ++i) {
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(*i)->hilite(b);
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if (b)
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(*i)->raise_to_top();
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}
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if (b) {
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raise_to_top();
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m_rect.raise_to_top();
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m_label.raise_to_top();
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m_rect.property_fill_color_rgba() = m_colour + 0x33333300;
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} else {
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m_rect.property_fill_color_rgba() = m_colour;
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}
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}
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void
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Port::raise_connections()
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{
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for (list<Connection*>::iterator i = m_connections.begin(); i != m_connections.end(); ++i) {
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(*i)->raise_to_top();
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}
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}
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// Returns the world-relative coordinates of where a connection line
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// should attach
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Gnome::Art::Point
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Port::connection_coords()
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{
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double x = (is_input()) ? m_rect.property_x1()-1.0 : m_rect.property_x2()+1.0;
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double y = m_rect.property_y1() + m_height / 2;
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i2w(x, y); // convert to world-relative coords
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return Gnome::Art::Point(x, y);
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}
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void
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Port::width(double w)
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{
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double diff = w - m_width;
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m_rect.property_x2() = m_rect.property_x2() + diff;
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m_width = w;
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}
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} // namespace LibFlowCanvas
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