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"
28 PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrix* m, PortMatrixBody* b)
29 : PortMatrixLabels (m, b)
35 PortMatrixColumnLabels::compute_dimensions ()
37 GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
38 gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
39 cairo_t* cr = gdk_cairo_create (pm);
41 /* width of the longest bundle name */
42 _longest_bundle_name = 0;
43 /* width of the longest channel name */
44 _longest_channel_name = 0;
45 /* height of highest bit of text (apart from group names) */
47 /* width of the whole thing */
50 ARDOUR::BundleList const c = _matrix->columns()->bundles();
51 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
53 cairo_text_extents_t ext;
54 cairo_text_extents (cr, (*i)->name().c_str(), &ext);
55 if (ext.width > _longest_bundle_name) {
56 _longest_bundle_name = ext.width;
58 if (ext.height > _highest_text) {
59 _highest_text = ext.height;
62 for (uint32_t j = 0; j < (*i)->nchannels (); ++j) {
66 (*i)->channel_name (j).c_str(),
70 if (ext.width > _longest_channel_name) {
71 _longest_channel_name = ext.width;
73 if (ext.height > _highest_text) {
74 _highest_text = ext.height;
78 if (_matrix->show_only_bundles()) {
79 _width += column_width();
81 _width += (*i)->nchannels() * column_width();
85 _highest_group_name = 0;
86 for (PortGroupList::List::const_iterator i = _matrix->columns()->begin(); i != _matrix->columns()->end(); ++i) {
87 if ((*i)->visible()) {
88 cairo_text_extents_t ext;
89 cairo_text_extents (cr, (*i)->name.c_str(), &ext);
90 if (ext.height > _highest_group_name) {
91 _highest_group_name = ext.height;
97 gdk_pixmap_unref (pm);
99 /* height of the whole thing */
101 int a = _longest_bundle_name + 4 * name_pad();
102 if (!_matrix->show_only_bundles()) {
103 a += _longest_channel_name;
106 double const parallelogram_height = a * sin (angle()) + _highest_text * cos (angle());
108 _height = parallelogram_height + _highest_group_name + 2 * name_pad();
110 _width += parallelogram_height / tan (angle ());
114 PortMatrixColumnLabels::basic_text_x_pos (int c) const
116 return column_width() / 2 +
117 _highest_text / (2 * sin (angle ()));
121 PortMatrixColumnLabels::render (cairo_t* cr)
125 set_source_rgb (cr, background_colour());
126 cairo_rectangle (cr, 0, 0, _width, _height);
129 /* PORT GROUP NAME */
134 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
135 x = slanted_height() / tan (angle());
136 y = _highest_group_name + name_pad();
139 y = _height - name_pad();
143 for (PortGroupList::List::const_iterator i = _matrix->columns()->begin(); i != _matrix->columns()->end(); ++i) {
145 if (!(*i)->visible() || (*i)->bundles().empty()) {
149 /* compute width of this group */
151 if (_matrix->show_only_bundles()) {
152 w = (*i)->bundles().size() * column_width();
154 w = (*i)->total_channels() * column_width();
158 set_source_rgb (cr, get_a_group_colour (g));
159 double const rh = _highest_group_name + 2 * name_pad();
160 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
161 cairo_rectangle (cr, x, 0, w, rh);
163 cairo_rectangle (cr, x, _height - rh, w, rh);
167 std::string const upper = Glib::ustring ((*i)->name).uppercase ();
168 std::pair<std::string, double> const display = fit_to_pixels (cr, upper, w);
171 set_source_rgb (cr, text_colour());
172 cairo_move_to (cr, x + (w - display.second) / 2, y);
173 cairo_show_text (cr, display.first.c_str());
179 /* BUNDLE PARALLELOGRAM-TYPE-THING AND NAME */
182 ARDOUR::BundleList const c = _matrix->columns()->bundles();
183 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
185 render_bundle_name (cr, get_a_bundle_colour (i - c.begin ()), x, 0, *i);
187 if (_matrix->show_only_bundles()) {
190 x += (*i)->nchannels () * column_width();
197 if (!_matrix->show_only_bundles()) {
199 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
201 for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
203 render_channel_name (cr, get_a_bundle_colour (i - c.begin()), x, 0, ARDOUR::BundleChannel (*i, j));
211 PortMatrixColumnLabels::component_to_parent_x (double x) const
213 return x - _body->xoffset() + _parent_rectangle.get_x();
217 PortMatrixColumnLabels::parent_to_component_x (double x) const
219 return x + _body->xoffset() - _parent_rectangle.get_x();
223 PortMatrixColumnLabels::component_to_parent_y (double y) const
225 return y + _parent_rectangle.get_y();
229 PortMatrixColumnLabels::parent_to_component_y (double y) const
231 return y - _parent_rectangle.get_y();
235 PortMatrixColumnLabels::mouseover_changed (PortMatrixNode const &)
237 clear_channel_highlights ();
238 if (_body->mouseover().column.bundle) {
239 add_channel_highlight (_body->mouseover().column);
243 std::vector<std::pair<double, double> >
244 PortMatrixColumnLabels::port_name_shape (double xoff, double yoff) const
246 std::vector<std::pair<double, double> > shape;
248 double const lc = _longest_channel_name + name_pad();
249 double const w = column_width();
251 if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
253 double x_ = xoff + slanted_height() / tan (angle()) + w;
255 shape.push_back (std::make_pair (x_, y_));
257 shape.push_back (std::make_pair (x_, y_));
258 x_ -= lc * cos (angle());
259 y_ += lc * sin (angle());
260 shape.push_back (std::make_pair (x_, y_));
261 x_ += w * pow (sin (angle()), 2);
262 y_ += w * sin (angle()) * cos (angle());
263 shape.push_back (std::make_pair (x_, y_));
268 double y_ = yoff + _height;
269 shape.push_back (std::make_pair (x_, y_));
271 shape.push_back (std::make_pair (x_, y_));
272 x_ += lc * cos (angle());
273 y_ -= lc * sin (angle());
274 shape.push_back (std::make_pair (x_, y_));
275 x_ -= column_width() * pow (sin (angle()), 2);
276 y_ -= column_width() * sin (angle()) * cos (angle());
277 shape.push_back (std::make_pair (x_, y_));
284 PortMatrixColumnLabels::render_bundle_name (
285 cairo_t* cr, Gdk::Color colour, double xoff, double yoff, boost::shared_ptr<ARDOUR::Bundle> b
288 set_source_rgb (cr, colour);
291 if (_matrix->show_only_bundles()) {
294 w = b->nchannels() * column_width();
300 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
303 y += slanted_height();
307 cairo_move_to (cr, x_, y_);
309 cairo_line_to (cr, x_, y_);
310 x_ += slanted_height() / tan (angle ());
311 y_ -= slanted_height();
312 cairo_line_to (cr, x_, y_);
314 cairo_line_to (cr, x_, y_);
315 cairo_line_to (cr, xoff, y);
316 cairo_fill_preserve (cr);
317 set_source_rgb (cr, background_colour());
318 cairo_set_line_width (cr, label_border_width());
321 set_source_rgb (cr, text_colour());
323 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
326 if (_matrix->show_only_bundles()) {
329 rl = 3 * name_pad() + _longest_channel_name;
333 xoff + basic_text_x_pos (0) + rl * cos (angle()),
334 yoff + _height - rl * sin (angle())
341 xoff + basic_text_x_pos (0),
342 yoff + slanted_height() - name_pad() * sin (angle())
347 cairo_rotate (cr, -angle());
348 cairo_show_text (cr, b->name().c_str());
353 PortMatrixColumnLabels::render_channel_name (
354 cairo_t* cr, Gdk::Color colour, double xoff, double yoff, ARDOUR::BundleChannel const &bc
357 std::vector<std::pair<double, double> > const shape = port_name_shape (xoff, yoff);
359 cairo_move_to (cr, shape[0].first, shape[0].second);
360 for (uint32_t i = 1; i < 4; ++i) {
361 cairo_line_to (cr, shape[i].first, shape[i].second);
363 cairo_line_to (cr, shape[0].first, shape[0].second);
365 set_source_rgb (cr, colour);
366 cairo_fill_preserve (cr);
367 set_source_rgb (cr, background_colour());
368 cairo_set_line_width (cr, label_border_width());
371 set_source_rgb (cr, text_colour());
373 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
377 xoff + basic_text_x_pos(bc.channel),
378 yoff + _height - name_pad() * sin (angle())
383 double const rl = 3 * name_pad() + _longest_bundle_name;
386 xoff + basic_text_x_pos(bc.channel) + rl * cos (angle ()),
387 yoff + slanted_height() - rl * sin (angle())
392 cairo_rotate (cr, -angle());
396 bc.bundle->channel_name(bc.channel).c_str()
403 PortMatrixColumnLabels::channel_x (ARDOUR::BundleChannel const &bc) const
407 ARDOUR::BundleList::const_iterator i = _matrix->columns()->bundles().begin();
408 while (i != _matrix->columns()->bundles().end() && *i != bc.bundle) {
409 if (_matrix->show_only_bundles()) {
412 n += (*i)->nchannels ();
417 if (!_matrix->show_only_bundles()) {
421 return n * column_width();
425 PortMatrixColumnLabels::channel_y (ARDOUR::BundleChannel const &bc) const
431 PortMatrixColumnLabels::queue_draw_for (ARDOUR::BundleChannel const & bc)
437 if (_matrix->show_only_bundles()) {
439 _body->queue_draw_area (
440 component_to_parent_x (channel_x (bc)),
441 component_to_parent_y (0),
442 column_width() + _height * tan (angle()),
448 double const x = channel_x (bc);
449 double const lc = _longest_channel_name + name_pad();
450 double const h = lc * sin (angle ()) + column_width() * sin (angle()) * cos (angle());
452 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
454 _body->queue_draw_area (
455 component_to_parent_x (x),
456 component_to_parent_y (_height - h),
457 column_width() + lc * cos (angle()),
461 } else if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
463 double const x_ = x + slanted_height() / tan (angle()) - lc * cos (angle());
465 _body->queue_draw_area (
466 component_to_parent_x (x_),
467 component_to_parent_y (0),
468 column_width() + lc * cos (angle()),
478 PortMatrixColumnLabels::button_press (double x, double y, int b, uint32_t t)
480 uint32_t N = _matrix->columns()->total_visible_channels ();
484 std::vector<std::pair<double, double> > const shape = port_name_shape (i * column_width(), 0);
488 uint32_t k = (j + 1) % 4;
490 double const P = (y - shape[j].second) * (shape[k].first - shape[j].first) -
491 (x - shape[j].first) * (shape[k].second - shape[j].second);
509 _body->highlight_associated_channels (_matrix->column_index(), i);
512 _matrix->popup_channel_context_menu (_matrix->column_index(), i, t);