2 Copyright (C) 2002-2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 #include <cairo/cairo.h>
22 #include "ardour/bundle.h"
23 #include "ardour/types.h"
24 #include "port_matrix_grid.h"
25 #include "port_matrix.h"
26 #include "port_matrix_body.h"
28 PortMatrixGrid::PortMatrixGrid (PortMatrix* m, PortMatrixBody* b)
29 : PortMatrixComponent (m, b)
35 PortMatrixGrid::compute_dimensions ()
38 ARDOUR::BundleList const c = _matrix->columns()->bundles();
39 for (ARDOUR::BundleList::const_iterator i = c.begin(); i != c.end(); ++i) {
40 _width += (*i)->nchannels() * column_width();
44 ARDOUR::BundleList const r = _matrix->rows()->bundles();
45 for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
46 _height += (*i)->nchannels() * row_height();
52 PortMatrixGrid::render (cairo_t* cr)
56 set_source_rgb (cr, background_colour());
57 cairo_rectangle (cr, 0, 0, _width, _height);
60 /* VERTICAL GRID LINES */
62 set_source_rgb (cr, grid_colour());
64 ARDOUR::BundleList const c = _matrix->columns()->bundles();
65 for (ARDOUR::BundleList::size_type i = 0; i < c.size(); ++i) {
67 cairo_set_line_width (cr, thin_grid_line_width());
68 for (uint32_t j = 1; j < c[i]->nchannels(); ++j) {
70 cairo_move_to (cr, x, 0);
71 cairo_line_to (cr, x, _height);
75 if (i < (c.size() - 1)) {
77 cairo_set_line_width (cr, thick_grid_line_width());
78 cairo_move_to (cr, x, 0);
79 cairo_line_to (cr, x, _height);
84 uint32_t grid_width = x + column_width();
86 /* HORIZONTAL GRID LINES */
89 ARDOUR::BundleList const r = _matrix->rows()->bundles();
90 for (ARDOUR::BundleList::size_type i = 0; i < r.size(); ++i) {
92 cairo_set_line_width (cr, thin_grid_line_width());
93 for (uint32_t j = 1; j < r[i]->nchannels(); ++j) {
95 cairo_move_to (cr, 0, y);
96 cairo_line_to (cr, grid_width, y);
100 if (i < (r.size() - 1)) {
102 cairo_set_line_width (cr, thick_grid_line_width());
103 cairo_move_to (cr, 0, y);
104 cairo_line_to (cr, grid_width, y);
109 /* ASSOCIATION INDICATORS */
114 for (ARDOUR::BundleList::const_iterator i = c.begin(); i < c.end(); ++i) {
117 for (ARDOUR::BundleList::const_iterator j = r.begin(); j < r.end(); ++j) {
120 for (uint32_t k = 0; k < (*i)->nchannels (); k++) {
123 for (uint32_t l = 0; l < (*j)->nchannels (); ++l) {
125 ARDOUR::BundleChannel c[2];
126 c[_matrix->column_index()] = ARDOUR::BundleChannel (*i, k);
127 c[_matrix->row_index()] = ARDOUR::BundleChannel (*j, l);
129 PortMatrix::State const s = _matrix->get_state (c);
132 case PortMatrix::ASSOCIATED:
133 set_source_rgba (cr, association_colour(), 0.5);
136 x + column_width() / 2,
137 y + column_width() / 2,
138 (column_width() - (2 * connection_indicator_pad())) / 2,
146 case PortMatrix::UNKNOWN:
147 set_source_rgba (cr, unknown_colour(), 0.5);
150 x + thick_grid_line_width(),
151 y + thick_grid_line_width(),
152 column_width() - 2 * thick_grid_line_width(),
153 row_height() - 2 * thick_grid_line_width()
158 case PortMatrix::NOT_ASSOCIATED:
167 by += (*j)->nchannels () * row_height();
170 bx += (*i)->nchannels () * column_width();
176 PortMatrixGrid::position_to_node (double x, double y) const
178 return PortMatrixNode (
179 position_to_channel (y, _matrix->rows()->bundles(), row_height()),
180 position_to_channel (x, _matrix->columns()->bundles(), column_width())
185 ARDOUR::BundleChannel
186 PortMatrixGrid::position_to_channel (double p, ARDOUR::BundleList const& bundles, double inc) const
188 uint32_t pos = p / inc;
190 for (ARDOUR::BundleList::const_iterator i = bundles.begin(); i != bundles.end(); ++i) {
191 if (pos < (*i)->nchannels()) {
192 return ARDOUR::BundleChannel (*i, pos);
194 pos -= (*i)->nchannels();
198 return ARDOUR::BundleChannel (boost::shared_ptr<ARDOUR::Bundle> (), 0);
203 PortMatrixGrid::channel_position (
204 ARDOUR::BundleChannel bc,
205 ARDOUR::BundleList const& bundles,
210 ARDOUR::BundleList::const_iterator i = bundles.begin ();
211 while (i != bundles.end() && *i != bc.bundle) {
212 p += inc * (*i)->nchannels();
216 if (i == bundles.end()) {
220 p += inc * bc.channel;
226 PortMatrixGrid::button_press (double x, double y, int b)
228 PortMatrixNode const node = position_to_node (x, y);
230 if (node.row.bundle && node.column.bundle) {
232 ARDOUR::BundleChannel c[2];
233 c[_matrix->row_index()] = node.row;
234 c[_matrix->column_index()] = node.column;
236 PortMatrix::State const s = _matrix->get_state (c);
238 if (s == PortMatrix::ASSOCIATED || s == PortMatrix::NOT_ASSOCIATED) {
240 bool const n = !(s == PortMatrix::ASSOCIATED);
242 ARDOUR::BundleChannel c[2];
243 c[_matrix->row_index()] = node.row;
244 c[_matrix->column_index()] = node.column;
246 _matrix->set_state (c, n);
250 _body->queue_draw ();
255 PortMatrixGrid::draw_extra (cairo_t* cr)
257 set_source_rgba (cr, mouseover_line_colour(), 0.3);
258 cairo_set_line_width (cr, mouseover_line_width());
260 double const x = component_to_parent_x (
261 channel_position (_body->mouseover().column, _matrix->columns()->bundles(), column_width()) + column_width() / 2
264 double const y = component_to_parent_y (
265 channel_position (_body->mouseover().row, _matrix->rows()->bundles(), row_height()) + row_height() / 2
268 if (_body->mouseover().row.bundle) {
270 cairo_move_to (cr, x, y);
271 if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
272 cairo_line_to (cr, component_to_parent_x (0), y);
273 } else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
274 cairo_line_to (cr, _parent_rectangle.get_x() + _parent_rectangle.get_width(), y);
279 if (_body->mouseover().column.bundle) {
281 cairo_move_to (cr, x, y);
282 if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
283 cairo_line_to (cr, x, _parent_rectangle.get_y() + _parent_rectangle.get_height());
284 } else if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
285 cairo_line_to (cr, x, component_to_parent_y (0));
292 PortMatrixGrid::mouseover_changed (PortMatrixNode const& old)
294 queue_draw_for (old);
295 queue_draw_for (_body->mouseover());
299 PortMatrixGrid::mouseover_event (double x, double y)
301 _body->set_mouseover (position_to_node (x, y));
305 PortMatrixGrid::queue_draw_for (PortMatrixNode const &n)
309 double const y = channel_position (n.row, _matrix->rows()->bundles(), row_height());
310 _body->queue_draw_area (
311 _parent_rectangle.get_x(),
312 component_to_parent_y (y),
313 _parent_rectangle.get_width(),
318 if (n.column.bundle) {
320 double const x = channel_position (n.column, _matrix->columns()->bundles(), column_width());
322 _body->queue_draw_area (
323 component_to_parent_x (x),
324 _parent_rectangle.get_y(),
326 _parent_rectangle.get_height()
332 PortMatrixGrid::component_to_parent_x (double x) const
334 return x - _body->xoffset() + _parent_rectangle.get_x();
338 PortMatrixGrid::parent_to_component_x (double x) const
340 return x + _body->xoffset() - _parent_rectangle.get_x();
344 PortMatrixGrid::component_to_parent_y (double y) const
346 return y - _body->yoffset() + _parent_rectangle.get_y();
350 PortMatrixGrid::parent_to_component_y (double y) const
352 return y + _body->yoffset() - _parent_rectangle.get_y();