new files from sakari, missed last time
[ardour.git] / gtk2_ardour / export_channel_selector.cc
1 /*
2     Copyright (C) 2008 Paul Davis
3     Author: Sakari Bergen
4
5     This program is free software; you can redistribute it and/or modify
6     it under the terms of the GNU General Public License as published by
7     the Free Software Foundation; either version 2 of the License, or
8     (at your option) any later version.
9
10     This program is distributed in the hope that it will be useful,
11     but WITHOUT ANY WARRANTY; without even the implied warranty of
12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13     GNU General Public License for more details.
14
15     You should have received a copy of the GNU General Public License
16     along with this program; if not, write to the Free Software
17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18
19 */
20
21 #include "export_channel_selector.h"
22
23 #include <algorithm>
24
25 #include <pbd/convert.h>
26
27 #include <ardour/audioengine.h>
28 #include <ardour/export_channel_configuration.h>
29 #include <ardour/export_handler.h>
30 #include <ardour/io.h>
31 #include <ardour/route.h>
32 #include <ardour/audio_port.h>
33 #include <ardour/session.h>
34
35 #include <sstream>
36
37 #include "i18n.h"
38
39 using namespace ARDOUR;
40 using namespace PBD;
41
42 ExportChannelSelector::ExportChannelSelector () :
43   channels_label (_("Channels:"), Gtk::ALIGN_LEFT),
44   split_checkbox (_("Split to mono files")),
45   max_channels (20),
46   channel_view (max_channels)
47 {
48
49         channels_hbox.pack_start (channels_label, false, false, 0);
50         channels_hbox.pack_end (channels_spinbutton, false, false, 0);
51         
52         channels_vbox.pack_start (channels_hbox, false, false, 0);
53         channels_vbox.pack_start (split_checkbox, false, false, 6);
54         
55         channel_alignment.add (channel_scroller);
56         channel_alignment.set_padding (0, 0, 12, 0);
57         channel_scroller.add (channel_view);
58         channel_scroller.set_size_request (-1, 130);
59         channel_scroller.set_policy (Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
60         
61         pack_start (channels_vbox, false, false, 0);
62         pack_start (channel_alignment, true, true, 0);
63         
64         /* Channels spinbutton */
65         
66         channels_spinbutton.set_digits (0);
67         channels_spinbutton.set_increments (1, 2);
68         channels_spinbutton.set_range (1, max_channels);
69         channels_spinbutton.set_value (2);
70         
71         channels_spinbutton.signal_value_changed().connect (sigc::mem_fun (*this, &ExportChannelSelector::update_channel_count));
72         
73         /* Other signals */
74         
75         split_checkbox.signal_toggled().connect (sigc::mem_fun (*this, &ExportChannelSelector::update_split_state));
76         channel_view.CriticalSelectionChanged.connect (CriticalSelectionChanged.make_slot());
77         
78         /* Finalize */
79         
80         show_all_children ();
81         
82 }
83
84 ExportChannelSelector::~ExportChannelSelector ()
85 {
86 //      if (session) {
87 //              session->add_instant_xml (get_state(), false);
88 //      }
89 }
90
91 void
92 ExportChannelSelector::set_state (ARDOUR::ExportProfileManager::ChannelConfigStatePtr const state_, ARDOUR::Session * session_)
93 {
94         state = state_;
95         session = session_;
96         
97         split_checkbox.set_active (state->config->get_split());
98         channels_spinbutton.set_value (state->config->get_n_chans());
99         
100         fill_route_list ();
101         channel_view.set_config (state->config);
102 }
103
104 void
105 ExportChannelSelector::fill_route_list ()
106 {
107         channel_view.clear_routes ();
108         Session::RouteList routes = *session->get_routes();
109
110         /* Add master bus and then everything else */
111         
112         ARDOUR::IO * master = session->master_out().get();
113         channel_view.add_route (master);
114         
115         for (Session::RouteList::iterator it = routes.begin(); it != routes.end(); ++it) {
116                 if (it->get() == master) {
117                         continue;
118                 }
119                 channel_view.add_route (it->get());
120         }
121         
122         update_channel_count ();
123 }
124
125 void
126 ExportChannelSelector::update_channel_count ()
127 {
128         uint32_t chans = static_cast<uint32_t> (channels_spinbutton.get_value());
129         channel_view.set_channel_count (chans);
130         CriticalSelectionChanged();
131 }
132
133 void
134 ExportChannelSelector::update_split_state ()
135 {
136         state->config->set_split (split_checkbox.get_active());
137         CriticalSelectionChanged();
138 }
139
140 void
141 ExportChannelSelector::RouteCols::add_channels (uint32_t chans)
142 {
143         while (chans > 0) {
144                 channels.push_back (Channel (*this));
145                 ++n_channels;
146                 --chans;
147         }
148 }
149
150 ExportChannelSelector::RouteCols::Channel &
151 ExportChannelSelector::RouteCols::get_channel (uint32_t channel)
152 {
153         if (channel > n_channels) {
154                 std::cout << "Invalid channel cout for get_channel!" << std::endl;
155         }
156
157         std::list<Channel>::iterator it = channels.begin();
158         
159         while (channel > 1) { // Channel count starts from one!
160                 ++it;
161                 --channel;
162         }
163         
164         return *it;
165 }
166
167 ExportChannelSelector::ChannelTreeView::ChannelTreeView (uint32_t max_channels) :
168   n_channels (0)
169 {
170         /* Main columns */
171         
172         route_cols.add_channels (max_channels);
173         
174         route_list = Gtk::ListStore::create(route_cols);
175         set_model (route_list);
176         
177         /* Add column with toggle and text */
178         
179         append_column_editable (_("Bus or Track"), route_cols.selected);
180         
181         Gtk::CellRendererText* text_renderer = Gtk::manage (new Gtk::CellRendererText);
182         text_renderer->property_editable() = false;
183         
184         Gtk::TreeView::Column* column = get_column (0);
185         column->pack_start (*text_renderer);
186         column->add_attribute (text_renderer->property_text(), route_cols.name);
187         
188         Gtk::CellRendererToggle *toggle = dynamic_cast<Gtk::CellRendererToggle *>(get_column_cell_renderer (0));
189         toggle->signal_toggled().connect (mem_fun (*this, &ExportChannelSelector::ChannelTreeView::update_toggle_selection));
190         
191         static_columns = get_columns().size();
192 }
193
194 void
195 ExportChannelSelector::ChannelTreeView::set_config (ChannelConfigPtr c)
196 {
197         /* TODO Without the following line, the state might get reset.
198          * Pointing to the same address does not mean the state of the configuration hasn't changed.
199          * In the current code this is safe, but the actual cause of the problem would be good to fix
200          */
201
202         if (config == c) { return; }
203         config = c;
204
205         uint32_t i = 1;
206         ExportChannelConfiguration::ChannelList chan_list = config->get_channels();
207         for (ExportChannelConfiguration::ChannelList::iterator c_it = chan_list.begin(); c_it != chan_list.end(); ++c_it) {
208         
209                 for (Gtk::ListStore::Children::iterator r_it = route_list->children().begin(); r_it != route_list->children().end(); ++r_it) {
210                         
211                         Glib::RefPtr<Gtk::ListStore> port_list = r_it->get_value (route_cols.port_list_col);
212                         std::set<AudioPort *> route_ports;
213                         std::set<AudioPort *> intersection;
214                         std::map<AudioPort *, ustring> port_labels;
215                         
216                         for (Gtk::ListStore::Children::const_iterator p_it = port_list->children().begin(); p_it != port_list->children().end(); ++p_it) {
217                                 route_ports.insert ((*p_it)->get_value (route_cols.port_cols.port));
218                                 port_labels.insert (std::pair<AudioPort*, ustring> ((*p_it)->get_value (route_cols.port_cols.port),
219                                                                                     (*p_it)->get_value (route_cols.port_cols.label)));
220                         }
221                         
222                         std::set_intersection ((*c_it)->begin(), (*c_it)->end(),
223                                                route_ports.begin(), route_ports.end(),
224                                                std::insert_iterator<std::set<AudioPort *> > (intersection, intersection.begin()));
225                         
226                         intersection.erase (0); // Remove "none" selection
227                         
228                         if (intersection.empty()) {
229                                 continue;
230                         }
231                         
232                         if (!r_it->get_value (route_cols.selected)) {
233                                 r_it->set_value (route_cols.selected, true);
234                                 
235                                 /* Set previous channels (if any) to none */
236                                 
237                                 for (uint32_t chn = 1; chn < i; ++chn) {
238                                         r_it->set_value (route_cols.get_channel (chn).port, (AudioPort *) 0);
239                                         r_it->set_value (route_cols.get_channel (chn).label, ustring ("(none)"));
240                                 }
241                         }
242                         
243                         AudioPort * port = *intersection.begin();
244                         std::map<AudioPort *, ustring>::iterator label_it = port_labels.find (port);
245                         ustring label = label_it != port_labels.end() ? label_it->second : "error";
246                         
247                         r_it->set_value (route_cols.get_channel (i).port, port);
248                         r_it->set_value (route_cols.get_channel (i).label, label);
249                 }
250                 
251                 ++i;
252         }
253 }
254
255 void
256 ExportChannelSelector::ChannelTreeView::add_route (ARDOUR::IO * route)
257 {
258         Gtk::TreeModel::iterator iter = route_list->append();
259         Gtk::TreeModel::Row row = *iter;
260
261         row[route_cols.selected] = false;
262         row[route_cols.name] = route->name();
263         row[route_cols.io] = route;
264         
265         /* Initialize port list */
266         
267         Glib::RefPtr<Gtk::ListStore> port_list = Gtk::ListStore::create (route_cols.port_cols);
268         row[route_cols.port_list_col] = port_list;
269         
270         uint32_t outs = route->n_outputs().n_audio();
271         for (uint32_t i = 0; i < outs; ++i) {
272                 iter = port_list->append();
273                 row = *iter;
274                 
275                 row[route_cols.port_cols.selected] = false;
276                 row[route_cols.port_cols.port] = route->audio_output (i);
277                 
278                 std::ostringstream oss;
279                 oss << "Out-" << (i + 1);
280                 
281                 row[route_cols.port_cols.label] = oss.str();
282         }
283         
284         iter = port_list->append();
285         row = *iter;
286         
287         row[route_cols.port_cols.selected] = false;
288         row[route_cols.port_cols.port] = 0;
289         row[route_cols.port_cols.label] = "(none)";
290         
291 }
292
293 void
294 ExportChannelSelector::ChannelTreeView::set_channel_count (uint32_t channels)
295 {
296         int offset = channels - n_channels;
297         
298         while (offset > 0) {
299                 ++n_channels;
300         
301                 std::ostringstream oss;
302                 oss << n_channels;
303                 
304                 /* New column */
305                 
306                 Gtk::TreeView::Column* column = Gtk::manage (new Gtk::TreeView::Column (oss.str())); 
307                 
308                 Gtk::CellRendererCombo* combo_renderer = Gtk::manage (new Gtk::CellRendererCombo);
309                 combo_renderer->property_text_column() = 2; 
310                 column->pack_start (*combo_renderer);
311                 
312                 append_column (*column);
313                 
314                 column->add_attribute (combo_renderer->property_text(), route_cols.get_channel(n_channels).label);
315                 column->add_attribute (combo_renderer->property_model(), route_cols.port_list_col);
316                 column->add_attribute (combo_renderer->property_editable(), route_cols.selected);
317                 
318                 combo_renderer->signal_edited().connect (sigc::bind (sigc::mem_fun (*this, &ExportChannelSelector::ChannelTreeView::update_selection_text), n_channels));
319                 
320                 /* put data into view */
321                 
322                 for (Gtk::ListStore::Children::iterator it = route_list->children().begin(); it != route_list->children().end(); ++it) {
323                         Glib::ustring label = it->get_value(route_cols.selected) ? "(none)" : "";
324                         it->set_value (route_cols.get_channel (n_channels).label, label);
325                         it->set_value (route_cols.get_channel (n_channels).port, (AudioPort *) 0);
326                 }
327                 
328                 /* set column width */
329                 
330                 get_column (static_columns + n_channels - 1)->set_min_width (80);
331                 
332                 --offset;
333         }
334         
335         while (offset < 0) {
336                 --n_channels;
337                 
338                 remove_column (*get_column (n_channels + static_columns));
339                 
340                 ++offset;
341         }
342         
343         update_config ();
344 }
345
346 void
347 ExportChannelSelector::ChannelTreeView::update_config ()
348 {
349
350         if (!config) { return; }
351
352         config->clear_channels();
353
354         for (uint32_t i = 1; i <= n_channels; ++i) {
355         
356                 boost::shared_ptr<ExportChannel> channel (new ExportChannel ());
357         
358                 for (Gtk::ListStore::Children::iterator it = route_list->children().begin(); it != route_list->children().end(); ++it) {
359                         Gtk::TreeModel::Row row = *it;
360                         
361                         if (!row[route_cols.selected]) {
362                                 continue;
363                         }
364                         
365                         AudioPort * port = row[route_cols.get_channel (i).port];
366                         if (port) {
367                                 channel->add_port (port);
368                         }
369                 }
370                 
371                 config->register_channel (channel);
372         }
373         
374         CriticalSelectionChanged ();
375 }
376
377 void
378 ExportChannelSelector::ChannelTreeView::update_toggle_selection (Glib::ustring const & path)
379 {
380         Gtk::TreeModel::iterator iter = get_model ()->get_iter (path);
381         bool selected = iter->get_value (route_cols.selected);
382         
383         for (uint32_t i = 1; i <= n_channels; ++i) {
384         
385                 if (!selected) {
386                         iter->set_value (route_cols.get_channel (i).label, Glib::ustring (""));
387                         continue;
388                 }
389         
390                 iter->set_value (route_cols.get_channel (i).label, Glib::ustring("(none)"));
391                 iter->set_value (route_cols.get_channel (i).port, (AudioPort *) 0);
392                         
393                 Glib::RefPtr<Gtk::ListStore> port_list = iter->get_value (route_cols.port_list_col);
394                 Gtk::ListStore::Children::iterator port_it;
395                 uint32_t port_number = 1;
396                 
397                 for (port_it = port_list->children().begin(); port_it != port_list->children().end(); ++port_it) {
398                         if (port_number == i) {
399                                 iter->set_value (route_cols.get_channel (i).label, (Glib::ustring) (*port_it)->get_value (route_cols.port_cols.label));
400                                 iter->set_value (route_cols.get_channel (i).port, (AudioPort *) (*port_it)->get_value (route_cols.port_cols.port));
401                         }
402                         
403                         ++port_number;
404                 }
405         }
406         
407         update_config ();
408 }
409
410 void
411 ExportChannelSelector::ChannelTreeView::update_selection_text (Glib::ustring const & path, Glib::ustring const & new_text, uint32_t channel)
412 {
413         Gtk::TreeModel::iterator iter = get_model ()->get_iter (path);
414         iter->set_value (route_cols.get_channel (channel).label, new_text);
415         
416         Glib::RefPtr<Gtk::ListStore> port_list = iter->get_value (route_cols.port_list_col);
417         Gtk::ListStore::Children::iterator port_it;
418         
419         for (port_it = port_list->children().begin(); port_it != port_list->children().end(); ++port_it) {
420                 Glib::ustring label = port_it->get_value (route_cols.port_cols.label);
421                 if (label == new_text) {
422                         iter->set_value (route_cols.get_channel (channel).port, (AudioPort *) (*port_it)[route_cols.port_cols.port]);
423                 }
424         }
425         
426         update_config ();
427 }