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 "ardour/bundle.h"
22 #include "ardour/types.h"
23 #include "port_matrix_column_labels.h"
24 #include "port_matrix.h"
25 #include "port_matrix_body.h"
27 PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrix* m, PortMatrixBody* b)
28 : PortMatrixLabels (m, b)
34 PortMatrixColumnLabels::compute_dimensions ()
36 GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
37 gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
38 cairo_t* cr = gdk_cairo_create (pm);
40 /* width of the longest bundle name */
41 _longest_bundle_name = 0;
42 /* width of the longest channel name */
43 _longest_channel_name = 0;
44 /* height of highest bit of text (apart from group names) */
46 /* width of the whole thing */
49 ARDOUR::BundleList const c = _matrix->columns()->bundles();
50 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
52 cairo_text_extents_t ext;
53 cairo_text_extents (cr, (*i)->name().c_str(), &ext);
54 if (ext.width > _longest_bundle_name) {
55 _longest_bundle_name = ext.width;
57 if (ext.height > _highest_text) {
58 _highest_text = ext.height;
61 for (uint32_t j = 0; j < (*i)->nchannels (); ++j) {
65 (*i)->channel_name (j).c_str(),
69 if (ext.width > _longest_channel_name) {
70 _longest_channel_name = ext.width;
72 if (ext.height > _highest_text) {
73 _highest_text = ext.height;
77 if (_matrix->show_only_bundles()) {
78 _width += column_width();
80 _width += (*i)->nchannels() * column_width();
84 _highest_group_name = 0;
85 for (PortGroupList::List::const_iterator i = _matrix->columns()->begin(); i != _matrix->columns()->end(); ++i) {
86 if ((*i)->visible()) {
87 cairo_text_extents_t ext;
88 cairo_text_extents (cr, (*i)->name.c_str(), &ext);
89 if (ext.height > _highest_group_name) {
90 _highest_group_name = ext.height;
96 gdk_pixmap_unref (pm);
98 /* height of the whole thing */
100 int a = _longest_bundle_name + 4 * name_pad();
101 if (!_matrix->show_only_bundles()) {
102 a += _longest_channel_name;
105 double const parallelogram_height = a * sin (angle()) + _highest_text * cos (angle());
107 _height = parallelogram_height + _highest_group_name + 2 * name_pad();
109 _width += parallelogram_height / tan (angle ());
113 PortMatrixColumnLabels::basic_text_x_pos (int c) const
115 return column_width() / 2 +
116 _highest_text / (2 * sin (angle ()));
120 PortMatrixColumnLabels::render (cairo_t* cr)
124 set_source_rgb (cr, background_colour());
125 cairo_rectangle (cr, 0, 0, _width, _height);
128 /* PORT GROUP NAME */
133 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
134 x = slanted_height() / tan (angle());
135 y = _highest_group_name + name_pad();
138 y = _height - name_pad();
142 for (PortGroupList::List::const_iterator i = _matrix->columns()->begin(); i != _matrix->columns()->end(); ++i) {
144 if (!(*i)->visible() || (*i)->bundles().empty()) {
148 /* compute width of this group */
150 if (_matrix->show_only_bundles()) {
151 w = (*i)->bundles().size() * column_width();
153 w = (*i)->total_channels() * column_width();
157 set_source_rgb (cr, get_a_group_colour (g));
158 double const rh = _highest_group_name + 2 * name_pad();
159 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
160 cairo_rectangle (cr, x, 0, w, rh);
162 cairo_rectangle (cr, x, _height - rh, w, rh);
166 std::pair<std::string, double> const display = display_port_name (cr, (*i)->name, w);
169 set_source_rgb (cr, text_colour());
170 cairo_move_to (cr, x + (w - display.second) / 2, y);
171 cairo_show_text (cr, display.first.c_str());
177 /* BUNDLE PARALLELOGRAM-TYPE-THING AND NAME */
180 ARDOUR::BundleList const c = _matrix->columns()->bundles();
181 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
183 render_bundle_name (cr, get_a_bundle_colour (i - c.begin ()), x, 0, *i);
185 if (_matrix->show_only_bundles()) {
188 x += (*i)->nchannels () * column_width();
195 if (!_matrix->show_only_bundles()) {
197 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
199 for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
201 render_channel_name (cr, get_a_bundle_colour (i - c.begin()), x, 0, ARDOUR::BundleChannel (*i, j));
209 PortMatrixColumnLabels::component_to_parent_x (double x) const
211 return x - _body->xoffset() + _parent_rectangle.get_x();
215 PortMatrixColumnLabels::parent_to_component_x (double x) const
217 return x + _body->xoffset() - _parent_rectangle.get_x();
221 PortMatrixColumnLabels::component_to_parent_y (double y) const
223 return y + _parent_rectangle.get_y();
227 PortMatrixColumnLabels::parent_to_component_y (double y) const
229 return y - _parent_rectangle.get_y();
233 PortMatrixColumnLabels::mouseover_changed (PortMatrixNode const &)
235 clear_channel_highlights ();
236 if (_body->mouseover().column.bundle) {
237 add_channel_highlight (_body->mouseover().column);
241 std::vector<std::pair<double, double> >
242 PortMatrixColumnLabels::port_name_shape (double xoff, double yoff) const
244 std::vector<std::pair<double, double> > shape;
246 double const lc = _longest_channel_name + name_pad();
247 double const w = column_width();
249 if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
251 double x_ = xoff + slanted_height() / tan (angle()) + w;
253 shape.push_back (std::make_pair (x_, y_));
255 shape.push_back (std::make_pair (x_, y_));
256 x_ -= lc * cos (angle());
257 y_ += lc * sin (angle());
258 shape.push_back (std::make_pair (x_, y_));
259 x_ += w * pow (sin (angle()), 2);
260 y_ += w * sin (angle()) * cos (angle());
261 shape.push_back (std::make_pair (x_, y_));
266 double y_ = yoff + _height;
267 shape.push_back (std::make_pair (x_, y_));
269 shape.push_back (std::make_pair (x_, y_));
270 x_ += lc * cos (angle());
271 y_ -= lc * sin (angle());
272 shape.push_back (std::make_pair (x_, y_));
273 x_ -= column_width() * pow (sin (angle()), 2);
274 y_ -= column_width() * sin (angle()) * cos (angle());
275 shape.push_back (std::make_pair (x_, y_));
282 PortMatrixColumnLabels::render_bundle_name (
283 cairo_t* cr, Gdk::Color colour, double xoff, double yoff, boost::shared_ptr<ARDOUR::Bundle> b
286 set_source_rgb (cr, colour);
289 if (_matrix->show_only_bundles()) {
292 w = b->nchannels() * column_width();
298 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
301 y += slanted_height();
305 cairo_move_to (cr, x_, y_);
307 cairo_line_to (cr, x_, y_);
308 x_ += slanted_height() / tan (angle ());
309 y_ -= slanted_height();
310 cairo_line_to (cr, x_, y_);
312 cairo_line_to (cr, x_, y_);
313 cairo_line_to (cr, xoff, y);
314 cairo_fill_preserve (cr);
315 set_source_rgb (cr, background_colour());
316 cairo_set_line_width (cr, label_border_width());
319 set_source_rgb (cr, text_colour());
321 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
324 if (_matrix->show_only_bundles()) {
327 rl = 3 * name_pad() + _longest_channel_name;
331 xoff + basic_text_x_pos (0) + rl * cos (angle()),
332 yoff + _height - rl * sin (angle())
339 xoff + basic_text_x_pos (0),
340 yoff + slanted_height() - name_pad() * sin (angle())
345 cairo_rotate (cr, -angle());
346 cairo_show_text (cr, b->name().c_str());
351 PortMatrixColumnLabels::render_channel_name (
352 cairo_t* cr, Gdk::Color colour, double xoff, double yoff, ARDOUR::BundleChannel const &bc
355 std::vector<std::pair<double, double> > const shape = port_name_shape (xoff, yoff);
357 cairo_move_to (cr, shape[0].first, shape[0].second);
358 for (uint32_t i = 1; i < 4; ++i) {
359 cairo_line_to (cr, shape[i].first, shape[i].second);
361 cairo_line_to (cr, shape[0].first, shape[0].second);
363 set_source_rgb (cr, colour);
364 cairo_fill_preserve (cr);
365 set_source_rgb (cr, background_colour());
366 cairo_set_line_width (cr, label_border_width());
369 set_source_rgb (cr, text_colour());
371 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
375 xoff + basic_text_x_pos(bc.channel),
376 yoff + _height - name_pad() * sin (angle())
381 double const rl = 3 * name_pad() + _longest_bundle_name;
384 xoff + basic_text_x_pos(bc.channel) + rl * cos (angle ()),
385 yoff + slanted_height() - rl * sin (angle())
390 cairo_rotate (cr, -angle());
394 bc.bundle->channel_name(bc.channel).c_str()
401 PortMatrixColumnLabels::channel_x (ARDOUR::BundleChannel const &bc) const
405 ARDOUR::BundleList::const_iterator i = _matrix->columns()->bundles().begin();
406 while (i != _matrix->columns()->bundles().end() && *i != bc.bundle) {
407 if (_matrix->show_only_bundles()) {
410 n += (*i)->nchannels ();
415 if (!_matrix->show_only_bundles()) {
419 return n * column_width();
423 PortMatrixColumnLabels::channel_y (ARDOUR::BundleChannel const &bc) const
429 PortMatrixColumnLabels::queue_draw_for (ARDOUR::BundleChannel const & bc)
435 if (_matrix->show_only_bundles()) {
437 _body->queue_draw_area (
438 component_to_parent_x (channel_x (bc)),
439 component_to_parent_y (0),
440 column_width() + _height * tan (angle()),
446 double const x = channel_x (bc);
447 double const lc = _longest_channel_name + name_pad();
448 double const h = lc * sin (angle ()) + column_width() * sin (angle()) * cos (angle());
450 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
452 _body->queue_draw_area (
453 component_to_parent_x (x),
454 component_to_parent_y (_height - h),
455 column_width() + lc * cos (angle()),
459 } else if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
461 double const x_ = x + slanted_height() / tan (angle()) - lc * cos (angle());
463 _body->queue_draw_area (
464 component_to_parent_x (x_),
465 component_to_parent_y (0),
466 column_width() + lc * cos (angle()),
476 PortMatrixColumnLabels::button_press (double x, double y, int b, uint32_t t)
478 uint32_t N = _matrix->columns()->total_visible_channels ();
482 std::vector<std::pair<double, double> > const shape = port_name_shape (i * column_width(), 0);
486 uint32_t k = (j + 1) % 4;
488 double const P = (y - shape[j].second) * (shape[k].first - shape[j].first) -
489 (x - shape[j].first) * (shape[k].second - shape[j].second);
507 _body->highlight_associated_channels (_matrix->column_index(), i);
510 _matrix->popup_channel_context_menu (_matrix->column_index(), i, t);