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 <boost/weak_ptr.hpp>
22 #include <cairo/cairo.h>
23 #include "ardour/bundle.h"
24 #include "port_matrix_row_labels.h"
25 #include "port_matrix.h"
26 #include "port_matrix_body.h"
29 PortMatrixRowLabels::PortMatrixRowLabels (PortMatrix* m, PortMatrixBody* b)
30 : PortMatrixLabels (m, b)
36 PortMatrixRowLabels::compute_dimensions ()
38 GdkPixmap* pm = gdk_pixmap_new (NULL, 1, 1, 24);
39 gdk_drawable_set_colormap (pm, gdk_colormap_get_system());
40 cairo_t* cr = gdk_cairo_create (pm);
42 _longest_port_name = 0;
43 _longest_bundle_name = 0;
45 ARDOUR::BundleList const r = _matrix->rows()->bundles();
46 for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
47 for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
48 cairo_text_extents_t ext;
49 cairo_text_extents (cr, (*i)->channel_name(j).c_str(), &ext);
50 if (ext.width > _longest_port_name) {
51 _longest_port_name = ext.width;
55 cairo_text_extents_t ext;
56 cairo_text_extents (cr, (*i)->name().c_str(), &ext);
57 if (ext.width > _longest_bundle_name) {
58 _longest_bundle_name = ext.width;
61 _height += (*i)->nchannels() * row_height();
64 _highest_group_name = 0;
65 for (PortGroupList::List::const_iterator i = _matrix->rows()->begin(); i != _matrix->rows()->end(); ++i) {
66 if ((*i)->visible()) {
67 cairo_text_extents_t ext;
68 cairo_text_extents (cr, (*i)->name.c_str(), &ext);
69 if (ext.height > _highest_group_name) {
70 _highest_group_name = ext.height;
76 gdk_pixmap_unref (pm);
78 _width = _highest_group_name +
80 _longest_bundle_name +
86 PortMatrixRowLabels::render (cairo_t* cr)
90 set_source_rgb (cr, background_colour());
91 cairo_rectangle (cr, 0, 0, _width, _height);
94 /* PORT GROUP NAMES */
97 if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
100 x = _width - _highest_group_name - 2 * name_pad();
105 for (PortGroupList::List::const_iterator i = _matrix->rows()->begin(); i != _matrix->rows()->end(); ++i) {
107 if (!(*i)->visible() || (*i)->bundles().empty()) {
111 /* compute height of this group */
112 double h = (*i)->total_channels () * row_height();
115 set_source_rgb (cr, get_a_group_colour (g));
116 double const rw = _highest_group_name + 2 * name_pad();
117 cairo_rectangle (cr, x, y, rw, h);
120 /* hence what abbreviation (or not) we need for the group name */
121 std::pair<std::string, double> display = display_port_name (cr, (*i)->name, h);
124 set_source_rgb (cr, text_colour());
125 cairo_move_to (cr, x + rw - name_pad(), y + (h + display.second) / 2);
127 cairo_rotate (cr, - M_PI / 2);
128 cairo_show_text (cr, display.first.c_str());
138 if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
139 x = _highest_group_name + 2 * name_pad();
141 x = _longest_port_name + name_pad() * 2;
145 ARDOUR::BundleList const r = _matrix->rows()->bundles();
146 for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
148 Gdk::Color const colour = get_a_bundle_colour (i - r.begin ());
149 set_source_rgb (cr, colour);
150 cairo_rectangle (cr, x, y, _longest_bundle_name + name_pad() * 2, row_height() * (*i)->nchannels());
151 cairo_fill_preserve (cr);
152 set_source_rgb (cr, background_colour());
153 cairo_set_line_width (cr, label_border_width ());
157 if ((*i)->nchannels () > 0) {
158 /* use the extent of our first channel name so that the bundle name is vertically aligned with it */
159 cairo_text_extents_t ext;
160 cairo_text_extents (cr, (*i)->channel_name(0).c_str(), &ext);
161 off = (row_height() - ext.height) / 2;
163 off = row_height() / 2;
166 set_source_rgb (cr, text_colour());
167 cairo_move_to (cr, x + name_pad(), y + name_pad() + off);
168 cairo_show_text (cr, (*i)->name().c_str());
170 y += row_height() * (*i)->nchannels ();
177 for (ARDOUR::BundleList::const_iterator i = r.begin(); i != r.end(); ++i) {
178 for (uint32_t j = 0; j < (*i)->nchannels(); ++j) {
179 render_channel_name (cr, get_a_bundle_colour (i - r.begin()), 0, y, ARDOUR::BundleChannel (*i, j));
186 PortMatrixRowLabels::button_press (double x, double y, int b, uint32_t t)
190 _body->highlight_associated_channels (_matrix->row_index(), y / row_height ());
193 maybe_popup_context_menu (x, y, t);
199 PortMatrixRowLabels::maybe_popup_context_menu (double x, double y, uint32_t t)
201 if ( (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM && x > (_longest_bundle_name + name_pad() * 2)) ||
202 (_matrix->arrangement() == PortMatrix::TOP_TO_RIGHT && x < (_longest_port_name + name_pad() * 2))
205 _matrix->popup_channel_context_menu (_matrix->row_index(), y / row_height(), t);
211 PortMatrixRowLabels::component_to_parent_x (double x) const
213 return x + _parent_rectangle.get_x();
217 PortMatrixRowLabels::parent_to_component_x (double x) const
219 return x - _parent_rectangle.get_x();
223 PortMatrixRowLabels::component_to_parent_y (double y) const
225 return y - _body->yoffset() + _parent_rectangle.get_y();
229 PortMatrixRowLabels::parent_to_component_y (double y) const
231 return y + _body->yoffset() - _parent_rectangle.get_y();
235 PortMatrixRowLabels::port_name_x () const
237 if (_matrix->arrangement() == PortMatrix::LEFT_TO_BOTTOM) {
238 return _longest_bundle_name + _highest_group_name + name_pad() * 4;
247 PortMatrixRowLabels::render_channel_name (
248 cairo_t* cr, Gdk::Color colour, double xoff, double yoff, ARDOUR::BundleChannel const& bc
251 set_source_rgb (cr, colour);
252 cairo_rectangle (cr, port_name_x() + xoff, yoff, _longest_port_name + name_pad() * 2, row_height());
253 cairo_fill_preserve (cr);
254 set_source_rgb (cr, background_colour());
255 cairo_set_line_width (cr, label_border_width ());
258 cairo_text_extents_t ext;
259 cairo_text_extents (cr, bc.bundle->channel_name(bc.channel).c_str(), &ext);
260 double const off = (row_height() - ext.height) / 2;
262 set_source_rgb (cr, text_colour());
263 cairo_move_to (cr, port_name_x() + xoff + name_pad(), yoff + name_pad() + off);
264 cairo_show_text (cr, bc.bundle->channel_name(bc.channel).c_str());
268 PortMatrixRowLabels::channel_x (ARDOUR::BundleChannel const& bc) const
274 PortMatrixRowLabels::channel_y (ARDOUR::BundleChannel const& bc) const
278 ARDOUR::BundleList::const_iterator i = _matrix->rows()->bundles().begin();
279 while (i != _matrix->rows()->bundles().end() && *i != bc.bundle) {
280 n += (*i)->nchannels ();
285 return n * row_height();
289 PortMatrixRowLabels::queue_draw_for (ARDOUR::BundleChannel const & bc)
293 _body->queue_draw_area (
294 component_to_parent_x (port_name_x()),
295 component_to_parent_y (channel_y (bc)),
296 _longest_port_name + name_pad() * 2,
304 PortMatrixRowLabels::mouseover_changed (PortMatrixNode const &)
306 clear_channel_highlights ();
307 if (_body->mouseover().row.bundle) {
308 add_channel_highlight (_body->mouseover().row);