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"
26 PortMatrixColumnLabels::PortMatrixColumnLabels (PortMatrix* m, PortMatrixBody* b)
27 : PortMatrixLabels (m, b)
33 PortMatrixColumnLabels::compute_dimensions ()
35 GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
36 gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
37 cairo_t* cr = gdk_cairo_create (pm);
39 /* width of the longest bundle name */
40 _longest_bundle_name = 0;
41 /* width of the longest channel name */
42 _longest_channel_name = 0;
43 /* height of highest bit of text (apart from group names) */
45 /* width of the whole thing */
48 ARDOUR::BundleList const c = _matrix->columns()->bundles();
49 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
51 cairo_text_extents_t ext;
52 cairo_text_extents (cr, (*i)->name().c_str(), &ext);
53 if (ext.width > _longest_bundle_name) {
54 _longest_bundle_name = ext.width;
56 if (ext.height > _highest_text) {
57 _highest_text = ext.height;
60 for (uint32_t j = 0; j < (*i)->nchannels (); ++j) {
64 (*i)->channel_name (j).c_str(),
68 if (ext.width > _longest_channel_name) {
69 _longest_channel_name = ext.width;
71 if (ext.height > _highest_text) {
72 _highest_text = ext.height;
76 _width += (*i)->nchannels() * column_width();
79 _highest_group_name = 0;
80 for (PortGroupList::List::const_iterator i = _matrix->columns()->begin(); i != _matrix->columns()->end(); ++i) {
81 if ((*i)->visible()) {
82 cairo_text_extents_t ext;
83 cairo_text_extents (cr, (*i)->name.c_str(), &ext);
84 if (ext.height > _highest_group_name) {
85 _highest_group_name = ext.height;
91 gdk_pixmap_unref (pm);
93 /* height of the whole thing */
95 double const parallelogram_height =
96 (_longest_bundle_name + _longest_channel_name + 4 * name_pad()) * sin (angle())
97 + _highest_text * cos (angle());
99 _height = parallelogram_height + _highest_group_name + 2 * name_pad();
101 _width += parallelogram_height / tan (angle ());
105 PortMatrixColumnLabels::basic_text_x_pos (int c) const
107 return column_width() / 2 +
108 _highest_text / (2 * sin (angle ()));
112 PortMatrixColumnLabels::render (cairo_t* cr)
116 set_source_rgb (cr, background_colour());
117 cairo_rectangle (cr, 0, 0, _width, _height);
120 /* PORT GROUP NAME */
125 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
126 x = slanted_height() / tan (angle());
127 y = _highest_group_name + name_pad();
130 y = _height - name_pad();
134 for (PortGroupList::List::const_iterator i = _matrix->columns()->begin(); i != _matrix->columns()->end(); ++i) {
136 if (!(*i)->visible() || ((*i)->bundles().empty() && (*i)->ports.empty()) ) {
140 /* compute width of this group */
142 for (ARDOUR::BundleList::const_iterator j = (*i)->bundles().begin(); j != (*i)->bundles().end(); ++j) {
143 w += (*j)->nchannels() * column_width();
145 w += (*i)->ports.size() * column_width();
148 set_source_rgb (cr, get_a_group_colour (g));
149 double const rh = _highest_group_name + 2 * name_pad();
150 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
151 cairo_rectangle (cr, x, 0, w, rh);
153 cairo_rectangle (cr, x, _height - rh, w, rh);
157 std::pair<std::string, double> const display = display_port_name (cr, (*i)->name, w);
160 set_source_rgb (cr, text_colour());
161 cairo_move_to (cr, x + (w - display.second) / 2, y);
162 cairo_show_text (cr, display.first.c_str());
168 /* BUNDLE PARALLELOGRAM-TYPE-THING AND NAME */
171 ARDOUR::BundleList const c = _matrix->columns()->bundles();
172 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
174 Gdk::Color colour = get_a_bundle_colour (i - c.begin ());
175 set_source_rgb (cr, colour);
177 double const w = (*i)->nchannels() * column_width();
181 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
184 y = slanted_height();
188 cairo_move_to (cr, x_, y_);
190 cairo_line_to (cr, x_, y_);
191 x_ += slanted_height() / tan (angle ());
192 y_ -= slanted_height();
193 cairo_line_to (cr, x_, y_);
195 cairo_line_to (cr, x_, y_);
196 cairo_line_to (cr, x, y);
197 cairo_fill_preserve (cr);
198 set_source_rgb (cr, background_colour());
199 cairo_set_line_width (cr, label_border_width());
202 set_source_rgb (cr, text_colour());
204 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
206 double const rl = 3 * name_pad() + _longest_channel_name;
209 x + basic_text_x_pos (0) + rl * cos (angle()),
210 _height - rl * sin (angle())
217 x + basic_text_x_pos (0),
218 slanted_height() - name_pad() * sin (angle())
223 cairo_rotate (cr, -angle());
224 cairo_show_text (cr, (*i)->name().c_str());
227 x += (*i)->nchannels () * column_width();
234 for (ARDOUR::BundleList::const_iterator i = c.begin (); i != c.end(); ++i) {
236 for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
238 render_channel_name (cr, get_a_bundle_colour (i - c.begin()), x, 0, ARDOUR::BundleChannel (*i, j));
245 PortMatrixColumnLabels::component_to_parent_x (double x) const
247 return x - _body->xoffset() + _parent_rectangle.get_x();
251 PortMatrixColumnLabels::parent_to_component_x (double x) const
253 return x + _body->xoffset() - _parent_rectangle.get_x();
257 PortMatrixColumnLabels::component_to_parent_y (double y) const
259 return y + _parent_rectangle.get_y();
263 PortMatrixColumnLabels::parent_to_component_y (double y) const
265 return y - _parent_rectangle.get_y();
269 PortMatrixColumnLabels::mouseover_changed (PortMatrixNode const &)
271 clear_channel_highlights ();
272 if (_body->mouseover().column.bundle) {
273 add_channel_highlight (_body->mouseover().column);
277 std::vector<std::pair<double, double> >
278 PortMatrixColumnLabels::port_name_shape (double xoff, double yoff) const
280 std::vector<std::pair<double, double> > shape;
282 double const lc = _longest_channel_name + name_pad();
283 double const w = column_width();
285 if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
287 double x_ = xoff + slanted_height() / tan (angle()) + w;
289 shape.push_back (std::make_pair (x_, y_));
291 shape.push_back (std::make_pair (x_, y_));
292 x_ -= lc * cos (angle());
293 y_ += lc * sin (angle());
294 shape.push_back (std::make_pair (x_, y_));
295 x_ += w * pow (sin (angle()), 2);
296 y_ += w * sin (angle()) * cos (angle());
297 shape.push_back (std::make_pair (x_, y_));
302 double y_ = yoff + _height;
303 shape.push_back (std::make_pair (x_, y_));
305 shape.push_back (std::make_pair (x_, y_));
306 x_ += lc * cos (angle());
307 y_ -= lc * sin (angle());
308 shape.push_back (std::make_pair (x_, y_));
309 x_ -= column_width() * pow (sin (angle()), 2);
310 y_ -= column_width() * sin (angle()) * cos (angle());
311 shape.push_back (std::make_pair (x_, y_));
318 PortMatrixColumnLabels::render_channel_name (cairo_t* cr, Gdk::Color colour, double xoff, double yoff, ARDOUR::BundleChannel const &bc)
320 std::vector<std::pair<double, double> > const shape = port_name_shape (xoff, yoff);
322 cairo_move_to (cr, shape[0].first, shape[0].second);
323 for (uint32_t i = 1; i < 4; ++i) {
324 cairo_line_to (cr, shape[i].first, shape[i].second);
326 cairo_line_to (cr, shape[0].first, shape[0].second);
328 set_source_rgb (cr, colour);
329 cairo_fill_preserve (cr);
330 set_source_rgb (cr, background_colour());
331 cairo_set_line_width (cr, label_border_width());
334 set_source_rgb (cr, text_colour());
336 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
340 xoff + basic_text_x_pos(bc.channel),
341 yoff + _height - name_pad() * sin (angle())
346 double const rl = 3 * name_pad() + _longest_bundle_name;
349 xoff + basic_text_x_pos(bc.channel) + rl * cos (angle ()),
350 yoff + slanted_height() - rl * sin (angle())
355 cairo_rotate (cr, -angle());
359 bc.bundle->channel_name(bc.channel).c_str()
366 PortMatrixColumnLabels::channel_x (ARDOUR::BundleChannel const &bc) const
370 ARDOUR::BundleList::const_iterator i = _matrix->columns()->bundles().begin();
371 while (i != _matrix->columns()->bundles().end() && *i != bc.bundle) {
372 n += (*i)->nchannels ();
377 return n * column_width();
381 PortMatrixColumnLabels::channel_y (ARDOUR::BundleChannel const &bc) const
387 PortMatrixColumnLabels::queue_draw_for (ARDOUR::BundleChannel const & bc)
391 double const x = channel_x (bc);
392 double const lc = _longest_channel_name + name_pad();
393 double const h = lc * sin (angle ()) + column_width() * sin (angle()) * cos (angle());
394 if (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT) {
396 _body->queue_draw_area (
397 component_to_parent_x (x),
398 component_to_parent_y (_height - h),
399 column_width() + lc * cos (angle()),
403 } else if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
405 double const x_ = x + slanted_height() / tan (angle()) - lc * cos (angle());
407 _body->queue_draw_area (
408 component_to_parent_x (x_),
409 component_to_parent_y (0),
410 column_width() + lc * cos (angle()),
421 PortMatrixColumnLabels::button_press (double x, double y, int b, uint32_t t)
423 uint32_t N = _matrix->columns()->total_visible_ports ();
427 std::vector<std::pair<double, double> > const shape = port_name_shape (i * column_width(), 0);
431 uint32_t k = (j + 1) % 4;
433 double const P = (y - shape[j].second) * (shape[k].first - shape[j].first) -
434 (x - shape[j].first) * (shape[k].second - shape[j].second);
452 _body->highlight_associated_channels (_matrix->column_index(), i);
455 maybe_popup_context_menu (i, t);
462 PortMatrixColumnLabels::maybe_popup_context_menu (int i, uint32_t t)
464 if (!_matrix->can_rename_channels (_matrix->column_index()) &&
465 !_matrix->can_remove_channels (_matrix->column_index())) {
469 _matrix->popup_channel_context_menu (_matrix->column_index(), i, t);