Paul Davis
0569107ddc
git-svn-id: svn://localhost/ardour2/branches/3.0@5074 d708f5d6-7413-0410-9779-e7cbd77b26cf
510 lines
12 KiB
C++
510 lines
12 KiB
C++
/*
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Copyright (C) 2002-2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include <cairo/cairo.h>
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#include "ardour/bundle.h"
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#include "ardour/types.h"
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#include "port_matrix_grid.h"
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#include "port_matrix.h"
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#include "port_matrix_body.h"
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PortMatrixGrid::PortMatrixGrid (PortMatrix* m, PortMatrixBody* b)
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: PortMatrixComponent (m, b)
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{
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}
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void
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PortMatrixGrid::compute_dimensions ()
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{
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_width = 0;
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ARDOUR::BundleList const c = _matrix->columns()->bundles();
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if (_matrix->show_only_bundles()) {
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_width = c.size() * column_width();
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} else {
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for (ARDOUR::BundleList::const_iterator i = c.begin(); i != c.end(); ++i) {
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_width += (*i)->nchannels() * column_width();
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}
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}
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_height = 0;
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ARDOUR::BundleList const r = _matrix->rows()->bundles();
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if (_matrix->show_only_bundles()) {
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_height = r.size() * column_width();
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} else {
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for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
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_height += (*i)->nchannels() * row_height();
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}
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}
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}
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void
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PortMatrixGrid::render (cairo_t* cr)
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{
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/* BACKGROUND */
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set_source_rgb (cr, background_colour());
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cairo_rectangle (cr, 0, 0, _width, _height);
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cairo_fill (cr);
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/* VERTICAL GRID LINES */
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set_source_rgb (cr, grid_colour());
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uint32_t x = 0;
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ARDOUR::BundleList const c = _matrix->columns()->bundles();
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for (ARDOUR::BundleList::size_type i = 0; i < c.size(); ++i) {
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if (!_matrix->show_only_bundles()) {
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cairo_set_line_width (cr, thin_grid_line_width());
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for (uint32_t j = 1; j < c[i]->nchannels(); ++j) {
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x += column_width();
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cairo_move_to (cr, x, 0);
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cairo_line_to (cr, x, _height);
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cairo_stroke (cr);
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}
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}
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if (i < (c.size() - 1)) {
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x += column_width();
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cairo_set_line_width (cr, thick_grid_line_width());
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cairo_move_to (cr, x, 0);
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cairo_line_to (cr, x, _height);
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cairo_stroke (cr);
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}
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}
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uint32_t grid_width = x + column_width();
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/* HORIZONTAL GRID LINES */
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uint32_t y = 0;
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ARDOUR::BundleList const r = _matrix->rows()->bundles();
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for (ARDOUR::BundleList::size_type i = 0; i < r.size(); ++i) {
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if (!_matrix->show_only_bundles()) {
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cairo_set_line_width (cr, thin_grid_line_width());
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for (uint32_t j = 1; j < r[i]->nchannels(); ++j) {
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y += row_height();
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cairo_move_to (cr, 0, y);
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cairo_line_to (cr, grid_width, y);
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cairo_stroke (cr);
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}
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}
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if (i < (r.size() - 1)) {
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y += row_height();
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cairo_set_line_width (cr, thick_grid_line_width());
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cairo_move_to (cr, 0, y);
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cairo_line_to (cr, grid_width, y);
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cairo_stroke (cr);
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}
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}
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/* ASSOCIATION INDICATORS */
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uint32_t bx = 0;
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uint32_t by = 0;
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if (_matrix->show_only_bundles()) {
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for (ARDOUR::BundleList::const_iterator i = c.begin(); i < c.end(); ++i) {
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by = 0;
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for (ARDOUR::BundleList::const_iterator j = r.begin(); j < r.end(); ++j) {
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PortMatrixNode::State s = bundle_to_bundle_state (*i, *j);
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switch (s) {
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case PortMatrixNode::UNKNOWN:
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draw_unknown_indicator (cr, bx, by);
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break;
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case PortMatrixNode::ASSOCIATED:
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draw_association_indicator (cr, bx, by);
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break;
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case PortMatrixNode::PARTIAL:
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draw_association_indicator (cr, bx, by, 0.5);
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break;
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default:
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break;
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}
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by += row_height();
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}
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bx += column_width();
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}
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} else {
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for (ARDOUR::BundleList::const_iterator i = c.begin(); i < c.end(); ++i) {
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by = 0;
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for (ARDOUR::BundleList::const_iterator j = r.begin(); j < r.end(); ++j) {
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x = bx;
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for (uint32_t k = 0; k < (*i)->nchannels (); ++k) {
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y = by;
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for (uint32_t l = 0; l < (*j)->nchannels (); ++l) {
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ARDOUR::BundleChannel c[2];
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c[_matrix->column_index()] = ARDOUR::BundleChannel (*i, k);
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c[_matrix->row_index()] = ARDOUR::BundleChannel (*j, l);
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PortMatrixNode::State const s = _matrix->get_state (c);
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switch (s) {
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case PortMatrixNode::ASSOCIATED:
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draw_association_indicator (cr, x, y);
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break;
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case PortMatrixNode::UNKNOWN:
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draw_unknown_indicator (cr, x, y);
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break;
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case PortMatrixNode::NOT_ASSOCIATED:
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break;
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default:
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break;
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}
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y += row_height();
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}
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x += column_width();
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}
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by += (*j)->nchannels () * row_height();
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}
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bx += (*i)->nchannels () * column_width();
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}
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}
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}
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void
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PortMatrixGrid::draw_association_indicator (cairo_t* cr, uint32_t x, uint32_t y, double p)
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{
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set_source_rgba (cr, association_colour(), 0.5);
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cairo_arc (
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cr,
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x + column_width() / 2,
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y + column_width() / 2,
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(column_width() - (2 * connection_indicator_pad())) / 2,
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0,
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p * 2 * M_PI
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);
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cairo_fill (cr);
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}
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void
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PortMatrixGrid::draw_unknown_indicator (cairo_t* cr, uint32_t x, uint32_t y)
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{
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set_source_rgba (cr, unknown_colour(), 0.5);
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cairo_rectangle (
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cr,
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x + thick_grid_line_width(),
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y + thick_grid_line_width(),
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column_width() - 2 * thick_grid_line_width(),
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row_height() - 2 * thick_grid_line_width()
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);
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cairo_fill (cr);
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}
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PortMatrixNode
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PortMatrixGrid::position_to_node (double x, double y) const
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{
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return PortMatrixNode (
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position_to_channel (y, _matrix->rows()->bundles(), row_height()),
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position_to_channel (x, _matrix->columns()->bundles(), column_width())
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);
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}
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ARDOUR::BundleChannel
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PortMatrixGrid::position_to_channel (double p, ARDOUR::BundleList const& bundles, double inc) const
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{
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uint32_t pos = p / inc;
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if (_matrix->show_only_bundles()) {
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for (ARDOUR::BundleList::const_iterator i = bundles.begin(); i != bundles.end(); ++i) {
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if (pos == 0) {
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return ARDOUR::BundleChannel (*i, 0);
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} else {
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pos--;
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}
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}
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} else {
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for (ARDOUR::BundleList::const_iterator i = bundles.begin(); i != bundles.end(); ++i) {
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if (pos < (*i)->nchannels()) {
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return ARDOUR::BundleChannel (*i, pos);
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} else {
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pos -= (*i)->nchannels();
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}
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}
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}
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return ARDOUR::BundleChannel (boost::shared_ptr<ARDOUR::Bundle> (), 0);
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}
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double
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PortMatrixGrid::channel_position (
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ARDOUR::BundleChannel bc,
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ARDOUR::BundleList const& bundles,
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double inc) const
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{
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double p = 0;
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ARDOUR::BundleList::const_iterator i = bundles.begin ();
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while (i != bundles.end() && *i != bc.bundle) {
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if (_matrix->show_only_bundles()) {
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p += inc;
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} else {
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p += inc * (*i)->nchannels();
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}
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++i;
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}
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if (i == bundles.end()) {
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return 0;
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}
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p += inc * bc.channel;
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return p;
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}
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void
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PortMatrixGrid::button_press (double x, double y, int b)
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{
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PortMatrixNode const node = position_to_node (x, y);
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if (_matrix->show_only_bundles()) {
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PortMatrixNode::State const s = bundle_to_bundle_state (node.column.bundle, node.row.bundle);
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for (uint32_t i = 0; i < node.column.bundle->nchannels(); ++i) {
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for (uint32_t j = 0; j < node.row.bundle->nchannels(); ++j) {
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ARDOUR::BundleChannel c[2];
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c[_matrix->column_index()] = ARDOUR::BundleChannel (node.column.bundle, i);
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c[_matrix->row_index()] = ARDOUR::BundleChannel (node.row.bundle, j);
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if (s == PortMatrixNode::NOT_ASSOCIATED || s == PortMatrixNode::PARTIAL) {
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_matrix->set_state (c, i == j);
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} else {
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_matrix->set_state (c, false);
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}
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}
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}
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} else {
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if (node.row.bundle && node.column.bundle) {
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ARDOUR::BundleChannel c[2];
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c[_matrix->row_index()] = node.row;
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c[_matrix->column_index()] = node.column;
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PortMatrixNode::State const s = _matrix->get_state (c);
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if (s == PortMatrixNode::ASSOCIATED || s == PortMatrixNode::NOT_ASSOCIATED) {
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bool const n = !(s == PortMatrixNode::ASSOCIATED);
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ARDOUR::BundleChannel c[2];
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c[_matrix->row_index()] = node.row;
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c[_matrix->column_index()] = node.column;
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_matrix->set_state (c, n);
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}
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}
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}
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require_render ();
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_body->queue_draw ();
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}
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void
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PortMatrixGrid::draw_extra (cairo_t* cr)
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{
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set_source_rgba (cr, mouseover_line_colour(), 0.3);
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cairo_set_line_width (cr, mouseover_line_width());
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double const x = component_to_parent_x (
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channel_position (_body->mouseover().column, _matrix->columns()->bundles(), column_width()) + column_width() / 2
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);
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double const y = component_to_parent_y (
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channel_position (_body->mouseover().row, _matrix->rows()->bundles(), row_height()) + row_height() / 2
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);
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if (_body->mouseover().row.bundle) {
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cairo_move_to (cr, x, y);
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if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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cairo_line_to (cr, component_to_parent_x (0), y);
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} else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
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cairo_line_to (cr, _parent_rectangle.get_x() + _parent_rectangle.get_width(), y);
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}
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cairo_stroke (cr);
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}
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if (_body->mouseover().column.bundle) {
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cairo_move_to (cr, x, y);
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if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
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cairo_line_to (cr, x, _parent_rectangle.get_y() + _parent_rectangle.get_height());
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} else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
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cairo_line_to (cr, x, component_to_parent_y (0));
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}
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cairo_stroke (cr);
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}
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}
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void
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PortMatrixGrid::mouseover_changed (PortMatrixNode const& old)
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{
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queue_draw_for (old);
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queue_draw_for (_body->mouseover());
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}
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void
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PortMatrixGrid::mouseover_event (double x, double y)
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{
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_body->set_mouseover (position_to_node (x, y));
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}
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void
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PortMatrixGrid::queue_draw_for (PortMatrixNode const &n)
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{
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if (n.row.bundle) {
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double const y = channel_position (n.row, _matrix->rows()->bundles(), row_height());
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_body->queue_draw_area (
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_parent_rectangle.get_x(),
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component_to_parent_y (y),
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_parent_rectangle.get_width(),
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row_height()
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);
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}
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if (n.column.bundle) {
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double const x = channel_position (n.column, _matrix->columns()->bundles(), column_width());
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_body->queue_draw_area (
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component_to_parent_x (x),
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_parent_rectangle.get_y(),
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column_width(),
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_parent_rectangle.get_height()
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);
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}
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}
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double
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PortMatrixGrid::component_to_parent_x (double x) const
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{
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return x - _body->xoffset() + _parent_rectangle.get_x();
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}
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double
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PortMatrixGrid::parent_to_component_x (double x) const
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{
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return x + _body->xoffset() - _parent_rectangle.get_x();
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}
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double
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PortMatrixGrid::component_to_parent_y (double y) const
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{
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return y - _body->yoffset() + _parent_rectangle.get_y();
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}
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double
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PortMatrixGrid::parent_to_component_y (double y) const
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{
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return y + _body->yoffset() - _parent_rectangle.get_y();
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}
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PortMatrixNode::State
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PortMatrixGrid::bundle_to_bundle_state (boost::shared_ptr<ARDOUR::Bundle> a, boost::shared_ptr<ARDOUR::Bundle> b) const
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{
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bool have_unknown = false;
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bool have_off_diagonal_association = false;
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bool have_diagonal_association = false;
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bool have_diagonal_not_association = false;
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for (uint32_t i = 0; i < a->nchannels (); ++i) {
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for (uint32_t j = 0; j < b->nchannels (); ++j) {
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ARDOUR::BundleChannel c[2];
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c[_matrix->column_index()] = ARDOUR::BundleChannel (a, i);
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c[_matrix->row_index()] = ARDOUR::BundleChannel (b, j);
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PortMatrixNode::State const s = _matrix->get_state (c);
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switch (s) {
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case PortMatrixNode::ASSOCIATED:
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if (i == j) {
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have_diagonal_association = true;
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} else {
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have_off_diagonal_association = true;
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}
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break;
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case PortMatrixNode::UNKNOWN:
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have_unknown = true;
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break;
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case PortMatrixNode::NOT_ASSOCIATED:
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if (i == j) {
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have_diagonal_not_association = true;
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}
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break;
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default:
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break;
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}
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}
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}
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if (have_unknown) {
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return PortMatrixNode::UNKNOWN;
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} else if (have_diagonal_association && !have_off_diagonal_association && !have_diagonal_not_association) {
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return PortMatrixNode::ASSOCIATED;
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} else if (!have_diagonal_association && !have_off_diagonal_association) {
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return PortMatrixNode::NOT_ASSOCIATED;
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}
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return PortMatrixNode::PARTIAL;
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}
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