Move 'poor_mans_glob()' into libpbd
[ardour.git] / gtk2_ardour / session_dialog.cc
1 /*
2     Copyright (C) 2013 Paul Davis
3
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.
8
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.
13
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.
17
18 */
19
20 #ifdef WAF_BUILD
21 #include "gtk2ardour-config.h"
22 #endif
23
24 #include <fstream>
25 #include <algorithm>
26
27 #include <gtkmm/filechooser.h>
28
29 #include "pbd/failed_constructor.h"
30 #include "pbd/file_utils.h"
31 #include "pbd/replace_all.h"
32 #include "pbd/whitespace.h"
33 #include "pbd/stacktrace.h"
34 #include "pbd/stl_delete.h"
35 #include "pbd/openuri.h"
36
37 #include "ardour/audioengine.h"
38 #include "ardour/filesystem_paths.h"
39 #include "ardour/recent_sessions.h"
40 #include "ardour/session.h"
41 #include "ardour/session_state_utils.h"
42 #include "ardour/template_utils.h"
43 #include "ardour/filename_extensions.h"
44
45 #include "ardour_ui.h"
46 #include "session_dialog.h"
47 #include "opts.h"
48 #include "engine_dialog.h"
49 #include "i18n.h"
50 #include "utils.h"
51
52 using namespace std;
53 using namespace Gtk;
54 using namespace Gdk;
55 using namespace Glib;
56 using namespace PBD;
57 using namespace ARDOUR;
58 using namespace ARDOUR_UI_UTILS;
59
60 SessionDialog::SessionDialog (bool require_new, const std::string& session_name, const std::string& session_path, const std::string& template_name, bool cancel_not_quit)
61         : ArdourDialog (_("Session Setup"), true, true)
62         , new_only (require_new)
63         , _provided_session_name (session_name)
64         , _provided_session_path (session_path)
65         , new_folder_chooser (FILE_CHOOSER_ACTION_SELECT_FOLDER)
66         , more_new_session_options_button (_("Advanced options ..."))
67         , _output_limit_count_adj (1, 0, 100, 1, 10, 0)
68         , _input_limit_count_adj (1, 0, 100, 1, 10, 0)
69         , _master_bus_channel_count_adj (2, 0, 100, 1, 10, 0)
70         , _existing_session_chooser_used (false)
71 {
72 #ifndef PLATFORM_WINDOWS
73         set_keep_above (true);
74 #endif
75         set_position (WIN_POS_CENTER);
76         get_vbox()->set_spacing (6);
77
78         cancel_button = add_button ((cancel_not_quit ? Stock::CANCEL : Stock::QUIT), RESPONSE_CANCEL);
79         back_button = add_button (Stock::GO_BACK, RESPONSE_NO);
80         open_button = add_button (Stock::OPEN, RESPONSE_ACCEPT);
81
82         back_button->signal_button_press_event().connect (sigc::mem_fun (*this, &SessionDialog::back_button_pressed), false);
83
84         open_button->set_sensitive (false);
85         back_button->set_sensitive (false);
86
87         /* this is where announcements will be displayed, but it may be empty
88          * and invisible most of the time.
89          */
90
91         info_frame.set_shadow_type(SHADOW_ETCHED_OUT);
92         info_frame.set_no_show_all (true);
93         info_frame.set_border_width (12);
94         get_vbox()->pack_start (info_frame, false, false);
95
96         setup_new_session_page ();
97         
98         if (!new_only) {
99                 setup_initial_choice_box ();
100                 get_vbox()->pack_start (ic_vbox, true, true);
101         } else {
102                 get_vbox()->pack_start (session_new_vbox, true, true);
103         }
104         
105         if (!template_name.empty()) {
106                 use_template_button.set_active (false);
107                 load_template_override = template_name;
108         }
109         
110         get_vbox()->show_all ();
111
112         /* fill data models and show/hide accordingly */
113
114         populate_session_templates ();
115
116         if (!template_model->children().empty()) {
117                 use_template_button.show();
118                 template_chooser.show ();
119         } else {
120                 use_template_button.hide();
121                 template_chooser.hide ();
122         }
123
124         if (recent_session_model) {
125                 int cnt = redisplay_recent_sessions ();
126                 if (cnt > 0) {
127                         recent_scroller.show();
128                         recent_label.show ();
129                         
130                         if (cnt > 4) {
131                                 recent_scroller.set_size_request (-1, 300);
132                         }
133                 } else {
134                         recent_scroller.hide();
135                         recent_label.hide ();
136                 }
137         }
138
139         /* possibly get out of here immediately if everything is ready to go.
140            We still need to set up the whole dialog because of the way
141            ARDOUR_UI::get_session_parameters() might skip it on a first
142            pass then require it for a second pass (e.g. when there
143            is an error with session loading and we have to ask the user
144            what to do next).
145          */
146
147         if (!session_name.empty() && !require_new) {
148                 response (RESPONSE_OK);
149                 return;
150         }
151 }
152
153 SessionDialog::~SessionDialog()
154 {
155 }
156
157 void
158 SessionDialog::clear_given ()
159 {
160         _provided_session_path = "";
161         _provided_session_name = "";
162 }
163
164 bool
165 SessionDialog::use_session_template ()
166 {
167         if (!load_template_override.empty()) {
168                 return true;
169         }
170
171         if (use_template_button.get_active()) {
172                 return true;
173         }
174
175         return false;
176 }
177
178 std::string
179 SessionDialog::session_template_name ()
180 {
181         if (!load_template_override.empty()) {
182                 string the_path (ARDOUR::user_template_directory());
183                 return Glib::build_filename (the_path, load_template_override + ARDOUR::template_suffix);
184         }
185
186         if (use_template_button.get_active()) {
187                 TreeModel::iterator iter = template_chooser.get_active ();
188                 TreeModel::Row row = (*iter);
189                 string s = row[session_template_columns.path];
190                 return s;
191         } 
192
193         return string();
194 }
195
196 std::string
197 SessionDialog::session_name (bool& should_be_new)
198 {
199         if (!_provided_session_name.empty() && !new_only) {
200                 should_be_new = false;
201                 return _provided_session_name;
202         }
203
204         /* Try recent session selection */
205
206         TreeIter iter = recent_session_display.get_selection()->get_selected();
207         
208         if (iter) {
209                 should_be_new = false;
210                 return (*iter)[recent_session_columns.visible_name];
211         }
212
213         if (_existing_session_chooser_used) {
214                 /* existing session chosen from file chooser */
215                 should_be_new = false;
216                 return existing_session_chooser.get_filename ();
217         } else {
218                 should_be_new = true;
219                 string val = new_name_entry.get_text ();
220                 strip_whitespace_edges (val);
221                 return val;
222         }
223 }
224
225 std::string
226 SessionDialog::session_folder ()
227 {
228         if (!_provided_session_path.empty() && !new_only) {
229                 return _provided_session_path;
230         }
231
232         /* Try recent session selection */
233         
234         TreeIter iter = recent_session_display.get_selection()->get_selected();
235         
236         if (iter) {
237                 string s = (*iter)[recent_session_columns.fullpath];
238                 if (Glib::file_test (s, Glib::FILE_TEST_IS_REGULAR)) {
239                         return Glib::path_get_dirname (s);
240                 }
241                 return s;
242         }
243
244         if (_existing_session_chooser_used) {
245                 /* existing session chosen from file chooser */
246                 return Glib::path_get_dirname (existing_session_chooser.get_current_folder ());
247         } else {
248                 std::string val = new_name_entry.get_text();
249                 strip_whitespace_edges (val);
250                 std::string legal_session_folder_name = legalize_for_path (val);
251                 return Glib::build_filename (new_folder_chooser.get_filename (), legal_session_folder_name);
252         }
253 }
254
255 void
256 SessionDialog::setup_initial_choice_box ()
257 {
258         ic_vbox.set_spacing (6);
259
260         HBox* centering_hbox = manage (new HBox);
261         VBox* centering_vbox = manage (new VBox);
262
263         centering_vbox->set_spacing (6);
264
265         Label* new_label = manage (new Label);
266         new_label->set_markup (string_compose ("<span weight=\"bold\" size=\"large\">%1</span>", _("New Session")));
267         new_label->set_justify (JUSTIFY_CENTER);
268
269         ic_new_session_button.add (*new_label);
270         ic_new_session_button.signal_clicked().connect (sigc::mem_fun (*this, &SessionDialog::new_session_button_clicked));
271
272         Gtk::HBox* hbox = manage (new HBox);
273         Gtk::VBox* vbox = manage (new VBox);
274         hbox->set_spacing (12);
275         vbox->set_spacing (12);
276
277         string image_path;
278
279         if (find_file (ardour_data_search_path(), "small-splash.png", image_path)) {
280                 Gtk::Image* image;
281                 if ((image = manage (new Gtk::Image (image_path))) != 0) {
282                         hbox->pack_start (*image, false, false);
283                 }
284         }
285         
286         vbox->pack_start (ic_new_session_button, true, true, 20);
287         hbox->pack_start (*vbox, true, true, 20);
288         
289         centering_vbox->pack_start (*hbox, false, false);
290
291         /* Possible update message */
292
293         if (ARDOUR_UI::instance()->announce_string() != "" ) {
294
295                 Box *info_box = manage (new VBox);
296                 info_box->set_border_width (12);
297                 info_box->set_spacing (6);
298
299                 info_box->pack_start (info_scroller_label, false, false);
300
301                 info_scroller_count = 0;
302                 info_scroller_connection = Glib::signal_timeout().connect (mem_fun(*this, &SessionDialog::info_scroller_update), 50);
303
304                 Gtk::Button *updates_button = manage (new Gtk::Button (_("Check the website for more...")));
305
306                 updates_button->signal_clicked().connect (mem_fun(*this, &SessionDialog::updates_button_clicked) );
307                 ARDOUR_UI::instance()->tooltips().set_tip (*updates_button, _("Click to open the program website in your web browser"));
308
309                 info_box->pack_start (*updates_button, false, false);
310
311                 info_frame.add (*info_box);
312                 info_box->show_all ();
313                 info_frame.show ();
314         }
315
316         /* recent session scroller */
317
318         recent_label.set_no_show_all (true);
319         recent_scroller.set_no_show_all (true);
320         
321         recent_label.set_markup (string_compose ("<span weight=\"bold\" size=\"large\">%1</span>", _("Recent Sessions")));
322         
323         recent_session_model = TreeStore::create (recent_session_columns);
324         
325         recent_session_display.set_model (recent_session_model);
326         recent_session_display.append_column (_("Recent Sessions"), recent_session_columns.visible_name);
327         recent_session_display.append_column (_("Sample Rate"), recent_session_columns.sample_rate);
328         recent_session_display.append_column (_("Disk Format"), recent_session_columns.disk_format);
329         recent_session_display.set_headers_visible (false);
330         recent_session_display.get_selection()->set_mode (SELECTION_SINGLE);
331         
332         recent_session_display.get_selection()->signal_changed().connect (sigc::mem_fun (*this, &SessionDialog::recent_session_row_selected));
333         
334         recent_scroller.add (recent_session_display);
335         recent_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
336         recent_scroller.set_shadow_type (Gtk::SHADOW_IN);
337         
338         recent_session_display.show();
339         recent_session_display.signal_row_activated().connect (sigc::mem_fun (*this, &SessionDialog::recent_row_activated));
340         
341         centering_vbox->pack_start (recent_label, false, false, 12);
342         centering_vbox->pack_start (recent_scroller, true, true);
343
344         /* Browse button */
345         
346         existing_session_chooser.set_title (_("Select session file"));
347         existing_session_chooser.signal_file_set().connect (sigc::mem_fun (*this, &SessionDialog::existing_session_selected));
348         existing_session_chooser.set_current_folder(poor_mans_glob (Config->get_default_session_parent_dir()));
349         
350         FileFilter session_filter;
351         session_filter.add_pattern (string_compose(X_("*%1"), ARDOUR::statefile_suffix));
352         session_filter.set_name (string_compose (_("%1 sessions"), PROGRAM_NAME));
353         existing_session_chooser.add_filter (session_filter);
354         existing_session_chooser.set_filter (session_filter);
355         
356 #ifdef GTKOSX
357         existing_session_chooser.add_shortcut_folder ("/Volumes");
358 #endif
359         
360         Label* browse_label = manage (new Label);
361         browse_label->set_markup (string_compose ("<span weight=\"bold\" size=\"large\">%1</span>", _("Other Sessions")));
362         
363         centering_vbox->pack_start (*browse_label, false, false, 12);
364         centering_vbox->pack_start (existing_session_chooser, false, false);
365
366         /* pack it all up */
367
368         centering_hbox->pack_start (*centering_vbox, true, true);
369         ic_vbox.pack_start (*centering_hbox, true, true);
370         ic_vbox.show_all ();
371 }
372
373 void
374 SessionDialog::session_selected ()
375 {
376         /* HACK HACK HACK ... change the "Apply" button label
377            to say "Open"
378         */
379
380         Gtk::Widget* tl = ic_vbox.get_toplevel();
381         Gtk::Window* win;
382         if ((win = dynamic_cast<Gtk::Window*>(tl)) != 0) {
383                 /* ::get_default_widget() is not wrapped in gtkmm */
384                 Gtk::Widget* def = wrap (gtk_window_get_default_widget (win->gobj()));
385                 Gtk::Button* button;
386                 if ((button = dynamic_cast<Gtk::Button*>(def)) != 0) {
387                         button->set_label (_("Open"));
388                 }
389         }
390 }
391
392 void
393 SessionDialog::new_session_button_clicked ()
394 {
395         _existing_session_chooser_used = false;
396         recent_session_display.get_selection()->unselect_all ();
397
398         get_vbox()->remove (ic_vbox);
399         get_vbox()->pack_start (session_new_vbox, true, true);
400         back_button->set_sensitive (true);
401         new_name_entry.grab_focus ();
402 }
403
404 bool
405 SessionDialog::back_button_pressed (GdkEventButton*)
406 {
407         get_vbox()->remove (session_new_vbox);
408         back_button->set_sensitive (false);
409         get_vbox()->pack_start (ic_vbox);
410
411         return true;
412 }
413
414 void
415 SessionDialog::populate_session_templates ()
416 {
417         vector<TemplateInfo> templates;
418
419         find_session_templates (templates);
420
421         template_model->clear ();
422
423         for (vector<TemplateInfo>::iterator x = templates.begin(); x != templates.end(); ++x) {
424                 TreeModel::Row row;
425
426                 row = *(template_model->append ());
427
428                 row[session_template_columns.name] = (*x).name;
429                 row[session_template_columns.path] = (*x).path;
430         }
431
432         if (!templates.empty()) {
433                 /* select first row */
434                 template_chooser.set_active (0);
435         }
436 }
437
438 void
439 SessionDialog::setup_new_session_page ()
440 {
441         session_new_vbox.set_border_width (12);
442         session_new_vbox.set_spacing (18);
443
444         VBox *vbox1 = manage (new VBox);
445         HBox* hbox1 = manage (new HBox);
446         Label* label1 = manage (new Label);
447
448         vbox1->set_spacing (6);
449
450         hbox1->set_spacing (6);
451         hbox1->pack_start (*label1, false, false);
452         hbox1->pack_start (new_name_entry, true, true);
453
454         label1->set_text (_("Session name:"));
455
456         if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
457                 new_name_entry.set_text  (Glib::path_get_basename (ARDOUR_COMMAND_LINE::session_name));
458                 /* name provided - they can move right along */
459                 open_button->set_sensitive (true);
460         }
461
462         new_name_entry.signal_changed().connect (sigc::mem_fun (*this, &SessionDialog::new_name_changed));
463         new_name_entry.signal_activate().connect (sigc::mem_fun (*this, &SessionDialog::new_name_activated));
464
465         vbox1->pack_start (*hbox1, true, true);
466
467         /* --- */
468
469         HBox* hbox2 = manage (new HBox);
470         Label* label2 = manage (new Label);
471
472         hbox2->set_spacing (6);
473         hbox2->pack_start (*label2, false, false);
474         hbox2->pack_start (new_folder_chooser, true, true);
475
476         label2->set_text (_("Create session folder in:"));
477
478         if (!ARDOUR_COMMAND_LINE::session_name.empty()) {
479                 new_folder_chooser.set_current_folder (poor_mans_glob (Glib::path_get_dirname (ARDOUR_COMMAND_LINE::session_name)));
480         } else if (ARDOUR_UI::instance()->session_loaded) {
481                 // point the new session file chooser at the parent directory of the current session
482                 string session_parent_dir = Glib::path_get_dirname(ARDOUR_UI::instance()->the_session()->path());
483                 string::size_type last_dir_sep = session_parent_dir.rfind(G_DIR_SEPARATOR);
484                 session_parent_dir = session_parent_dir.substr(0, last_dir_sep);
485                 new_folder_chooser.set_current_folder (session_parent_dir);
486                 string default_session_folder = poor_mans_glob (Config->get_default_session_parent_dir());
487
488                 try {
489                         /* add_shortcut_folder throws an exception if the folder being added already has a shortcut */
490                         new_folder_chooser.add_shortcut_folder (default_session_folder);
491                 }
492                 catch (Glib::Error & e) {
493                         std::cerr << "new_folder_chooser.add_shortcut_folder (" << default_session_folder << ") threw Glib::Error " << e.what() << std::endl;
494                 }
495         } else {
496                 new_folder_chooser.set_current_folder (poor_mans_glob (Config->get_default_session_parent_dir()));
497         }
498         new_folder_chooser.show ();
499         new_folder_chooser.set_title (_("Select folder for session"));
500
501 #ifdef __APPLE__
502         new_folder_chooser.add_shortcut_folder ("/Volumes");
503 #endif
504
505         vbox1->pack_start (*hbox2, false, false);
506                 
507         session_new_vbox.pack_start (*vbox1, false, false);
508
509         /* --- */
510
511         VBox *vbox2 = manage (new VBox);
512         HBox* hbox3 = manage (new HBox);
513         template_model = ListStore::create (session_template_columns);
514
515         vbox2->set_spacing (6);
516
517         VBox *vbox3 = manage (new VBox);
518
519         vbox3->set_spacing (6);
520
521         /* we may want to hide this and show it at various
522            times depending on the existence of templates.
523         */
524         template_chooser.set_no_show_all (true);
525         use_template_button.set_no_show_all (true);
526
527         HBox* hbox4a = manage (new HBox);
528         use_template_button.set_label (_("Use this template"));
529                 
530         TreeModel::Row row = *template_model->prepend ();
531         row[session_template_columns.name] = (_("no template"));
532         row[session_template_columns.path] = string();
533                 
534         hbox4a->set_spacing (6);
535         hbox4a->pack_start (use_template_button, false, false);
536         hbox4a->pack_start (template_chooser, true, true);
537                 
538         template_chooser.set_model (template_model);
539                 
540         Gtk::CellRendererText* text_renderer = Gtk::manage (new Gtk::CellRendererText);
541         text_renderer->property_editable() = false;
542                 
543         template_chooser.pack_start (*text_renderer);
544         template_chooser.add_attribute (text_renderer->property_text(), session_template_columns.name);
545         template_chooser.set_active (0);
546
547         vbox3->pack_start (*hbox4a, false, false);
548
549         /* --- */
550         
551         HBox* hbox5 = manage (new HBox);
552         
553         hbox5->set_spacing (6);
554         hbox5->pack_start (more_new_session_options_button, false, false);
555         
556         setup_more_options_box ();
557         more_new_session_options_button.add (more_options_vbox);
558         
559         vbox3->pack_start (*hbox5, false, false);
560         hbox3->pack_start (*vbox3, true, true, 8);
561         vbox2->pack_start (*hbox3, false, false);
562         
563         /* --- */
564         
565         session_new_vbox.pack_start (*vbox2, false, false);
566         session_new_vbox.show_all ();
567 }
568
569 void
570 SessionDialog::new_name_changed ()
571 {
572         if (!new_name_entry.get_text().empty()) {
573                 session_selected ();
574                 open_button->set_sensitive (true);
575         } else {
576                 open_button->set_sensitive (false);
577         }
578 }
579
580 void
581 SessionDialog::new_name_activated ()
582 {
583         response (RESPONSE_ACCEPT);
584 }
585
586 int
587 SessionDialog::redisplay_recent_sessions ()
588 {
589         std::vector<std::string> session_directories;
590         RecentSessionsSorter cmp;
591
592         recent_session_display.set_model (Glib::RefPtr<TreeModel>(0));
593         recent_session_model->clear ();
594
595         ARDOUR::RecentSessions rs;
596         ARDOUR::read_recent_sessions (rs);
597
598         if (rs.empty()) {
599                 recent_session_display.set_model (recent_session_model);
600                 return 0;
601         }
602         //
603         // sort them alphabetically
604         sort (rs.begin(), rs.end(), cmp);
605
606         for (ARDOUR::RecentSessions::iterator i = rs.begin(); i != rs.end(); ++i) {
607                 session_directories.push_back ((*i).second);
608         }
609         
610         int session_snapshot_count = 0;
611
612         for (vector<std::string>::const_iterator i = session_directories.begin(); i != session_directories.end(); ++i)
613         {
614                 std::vector<std::string> state_file_paths;
615
616                 // now get available states for this session
617
618                 get_state_files_in_directory (*i, state_file_paths);
619
620                 vector<string> states;
621                 vector<const gchar*> item;
622                 string dirname = *i;
623
624                 /* remove any trailing / */
625
626                 if (dirname[dirname.length()-1] == '/') {
627                         dirname = dirname.substr (0, dirname.length()-1);
628                 }
629
630                 /* check whether session still exists */
631                 if (!Glib::file_test(dirname.c_str(), Glib::FILE_TEST_EXISTS)) {
632                         /* session doesn't exist */
633                         continue;
634                 }
635
636                 /* now get available states for this session */
637
638                 states = Session::possible_states (dirname);
639
640                 if (states.empty()) {
641                         /* no state file? */
642                         continue;
643                 }
644
645                 std::vector<string> state_file_names(get_file_names_no_extension (state_file_paths));
646
647                 if (state_file_names.empty()) {
648                         continue;
649                 }
650
651                 Gtk::TreeModel::Row row = *(recent_session_model->append());
652
653                 float sr;
654                 SampleFormat sf;
655                 std::string state_file_basename = state_file_names.front();
656
657                 std::string s = Glib::build_filename (dirname, state_file_basename + statefile_suffix);
658
659                 row[recent_session_columns.fullpath] = dirname; /* just the dir, but this works too */
660                 row[recent_session_columns.tip] = Glib::Markup::escape_text (dirname);
661
662                 if (Session::get_info_from_path (s, sr, sf) == 0) {
663                         row[recent_session_columns.sample_rate] = rate_as_string (sr);
664                         switch (sf) {
665                         case FormatFloat:
666                                 row[recent_session_columns.disk_format] = _("32 bit float");
667                                 break;
668                         case FormatInt24:
669                                 row[recent_session_columns.disk_format] = _("24 bit");
670                                 break;
671                         case FormatInt16:
672                                 row[recent_session_columns.disk_format] = _("16 bit");
673                                 break;
674                         }
675                 } else {
676                         row[recent_session_columns.sample_rate] = "??";
677                         row[recent_session_columns.disk_format] = "--";
678                 }
679
680                 ++session_snapshot_count;
681
682                 if (state_file_names.size() > 1) {
683                         // multiple session files in the session directory - show the directory name.
684                         // if there's not a session file with the same name as the session directory,
685                         // opening the parent item will fail, but expanding it will show the session
686                         // files that actually exist, and the right one can then be opened.
687                         row[recent_session_columns.visible_name] = Glib::path_get_basename (dirname);
688
689                         // add the children
690                         for (std::vector<std::string>::iterator i2 = state_file_names.begin(); i2 != state_file_names.end(); ++i2) {
691
692                                 Gtk::TreeModel::Row child_row = *(recent_session_model->append (row.children()));
693                                 
694                                 child_row[recent_session_columns.visible_name] = *i2;
695                                 child_row[recent_session_columns.fullpath] = Glib::build_filename (dirname, *i2 + statefile_suffix);
696                                 child_row[recent_session_columns.tip] = Glib::Markup::escape_text (dirname);
697                                 
698                                 if (Session::get_info_from_path (s, sr, sf) == 0) {
699                                         child_row[recent_session_columns.sample_rate] = rate_as_string (sr);
700                                         switch (sf) {
701                                         case FormatFloat:
702                                                 child_row[recent_session_columns.disk_format] = _("32 bit float");
703                                                 break;
704                                         case FormatInt24:
705                                                 child_row[recent_session_columns.disk_format] = _("24 bit");
706                                                 break;
707                                         case FormatInt16:
708                                                 child_row[recent_session_columns.disk_format] = _("16 bit");
709                                                 break;
710                                         }
711                                 } else {
712                                         child_row[recent_session_columns.sample_rate] = "??";
713                                         child_row[recent_session_columns.disk_format] = "--";
714                                 }
715                                 
716
717                                 ++session_snapshot_count;
718                         }
719                 } else {
720                         // only a single session file in the directory - show its actual name.
721                         row[recent_session_columns.visible_name] = state_file_basename;
722                 }
723         }
724
725         recent_session_display.set_tooltip_column(1); // recent_session_columns.tip 
726         recent_session_display.set_model (recent_session_model);
727         return session_snapshot_count;
728 }
729
730 void
731 SessionDialog::recent_session_row_selected ()
732 {
733         if (recent_session_display.get_selection()->count_selected_rows() > 0) {
734                 open_button->set_sensitive (true);
735                 session_selected ();
736         } else {
737                 open_button->set_sensitive (false);
738         }
739 }
740
741 void
742 SessionDialog::setup_more_options_box ()
743 {
744         more_options_vbox.set_border_width (24);
745
746         _output_limit_count.set_adjustment (_output_limit_count_adj);
747         _input_limit_count.set_adjustment (_input_limit_count_adj);
748         _master_bus_channel_count.set_adjustment (_master_bus_channel_count_adj);
749
750         chan_count_label_1.set_text (_("channels"));
751         chan_count_label_3.set_text (_("channels"));
752         chan_count_label_4.set_text (_("channels"));
753
754         chan_count_label_1.set_alignment(0,0.5);
755         chan_count_label_1.set_padding(0,0);
756         chan_count_label_1.set_line_wrap(false);
757
758         chan_count_label_3.set_alignment(0,0.5);
759         chan_count_label_3.set_padding(0,0);
760         chan_count_label_3.set_line_wrap(false);
761
762         chan_count_label_4.set_alignment(0,0.5);
763         chan_count_label_4.set_padding(0,0);
764         chan_count_label_4.set_line_wrap(false);
765
766         bus_label.set_markup (_("<b>Busses</b>"));
767         input_label.set_markup (_("<b>Inputs</b>"));
768         output_label.set_markup (_("<b>Outputs</b>"));
769
770         _master_bus_channel_count.set_flags(Gtk::CAN_FOCUS);
771         _master_bus_channel_count.set_update_policy(Gtk::UPDATE_ALWAYS);
772         _master_bus_channel_count.set_numeric(true);
773         _master_bus_channel_count.set_digits(0);
774         _master_bus_channel_count.set_wrap(false);
775
776         _create_master_bus.set_label (_("Create master bus"));
777         _create_master_bus.set_flags(Gtk::CAN_FOCUS);
778         _create_master_bus.set_relief(Gtk::RELIEF_NORMAL);
779         _create_master_bus.set_mode(true);
780         _create_master_bus.set_active(true);
781         _create_master_bus.set_border_width(0);
782
783         advanced_table.set_row_spacings(0);
784         advanced_table.set_col_spacings(0);
785
786         _connect_inputs.set_label (_("Automatically connect to physical inputs"));
787         _connect_inputs.set_flags(Gtk::CAN_FOCUS);
788         _connect_inputs.set_relief(Gtk::RELIEF_NORMAL);
789         _connect_inputs.set_mode(true);
790         _connect_inputs.set_active(Config->get_input_auto_connect() != ManualConnect);
791         _connect_inputs.set_border_width(0);
792
793         _limit_input_ports.set_label (_("Use only"));
794         _limit_input_ports.set_flags(Gtk::CAN_FOCUS);
795         _limit_input_ports.set_relief(Gtk::RELIEF_NORMAL);
796         _limit_input_ports.set_mode(true);
797         _limit_input_ports.set_sensitive(true);
798         _limit_input_ports.set_border_width(0);
799
800         _input_limit_count.set_flags(Gtk::CAN_FOCUS);
801         _input_limit_count.set_update_policy(Gtk::UPDATE_ALWAYS);
802         _input_limit_count.set_numeric(true);
803         _input_limit_count.set_digits(0);
804         _input_limit_count.set_wrap(false);
805         _input_limit_count.set_sensitive(false);
806
807         bus_hbox.pack_start (bus_table, Gtk::PACK_SHRINK, 18);
808
809         bus_label.set_alignment(0, 0.5);
810         bus_label.set_padding(0,0);
811         bus_label.set_line_wrap(false);
812         bus_label.set_selectable(false);
813         bus_label.set_use_markup(true);
814         bus_frame.set_shadow_type(Gtk::SHADOW_NONE);
815         bus_frame.set_label_align(0,0.5);
816         bus_frame.add(bus_hbox);
817         bus_frame.set_label_widget(bus_label);
818
819         bus_table.set_row_spacings (0);
820         bus_table.set_col_spacings (0);
821         bus_table.attach (_create_master_bus, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
822         bus_table.attach (_master_bus_channel_count, 1, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 0, 0);
823         bus_table.attach (chan_count_label_1, 2, 3, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 6, 0);
824
825         input_port_limit_hbox.pack_start(_limit_input_ports, Gtk::PACK_SHRINK, 6);
826         input_port_limit_hbox.pack_start(_input_limit_count, Gtk::PACK_SHRINK, 0);
827         input_port_limit_hbox.pack_start(chan_count_label_3, Gtk::PACK_SHRINK, 6);
828         input_port_vbox.pack_start(_connect_inputs, Gtk::PACK_SHRINK, 0);
829         input_port_vbox.pack_start(input_port_limit_hbox, Gtk::PACK_EXPAND_PADDING, 0);
830         input_table.set_row_spacings(0);
831         input_table.set_col_spacings(0);
832         input_table.attach(input_port_vbox, 0, 1, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 6, 6);
833
834         input_hbox.pack_start (input_table, Gtk::PACK_SHRINK, 18);
835
836         input_label.set_alignment(0, 0.5);
837         input_label.set_padding(0,0);
838         input_label.set_line_wrap(false);
839         input_label.set_selectable(false);
840         input_label.set_use_markup(true);
841         input_frame.set_shadow_type(Gtk::SHADOW_NONE);
842         input_frame.set_label_align(0,0.5);
843         input_frame.add(input_hbox);
844         input_frame.set_label_widget(input_label);
845
846         _connect_outputs.set_label (_("Automatically connect outputs"));
847         _connect_outputs.set_flags(Gtk::CAN_FOCUS);
848         _connect_outputs.set_relief(Gtk::RELIEF_NORMAL);
849         _connect_outputs.set_mode(true);
850         _connect_outputs.set_active(Config->get_output_auto_connect() != ManualConnect);
851         _connect_outputs.set_border_width(0);
852         _limit_output_ports.set_label (_("Use only"));
853         _limit_output_ports.set_flags(Gtk::CAN_FOCUS);
854         _limit_output_ports.set_relief(Gtk::RELIEF_NORMAL);
855         _limit_output_ports.set_mode(true);
856         _limit_output_ports.set_sensitive(true);
857         _limit_output_ports.set_border_width(0);
858         _output_limit_count.set_flags(Gtk::CAN_FOCUS);
859         _output_limit_count.set_update_policy(Gtk::UPDATE_ALWAYS);
860         _output_limit_count.set_numeric(false);
861         _output_limit_count.set_digits(0);
862         _output_limit_count.set_wrap(false);
863         _output_limit_count.set_sensitive(false);
864         output_port_limit_hbox.pack_start(_limit_output_ports, Gtk::PACK_SHRINK, 6);
865         output_port_limit_hbox.pack_start(_output_limit_count, Gtk::PACK_SHRINK, 0);
866         output_port_limit_hbox.pack_start(chan_count_label_4, Gtk::PACK_SHRINK, 6);
867
868         _connect_outputs_to_master.set_label (_("... to master bus"));
869         _connect_outputs_to_master.set_flags(Gtk::CAN_FOCUS);
870         _connect_outputs_to_master.set_relief(Gtk::RELIEF_NORMAL);
871         _connect_outputs_to_master.set_mode(true);
872         _connect_outputs_to_master.set_active(Config->get_output_auto_connect() == AutoConnectMaster);
873         _connect_outputs_to_master.set_border_width(0);
874
875         _connect_outputs_to_master.set_group (connect_outputs_group);
876         _connect_outputs_to_physical.set_group (connect_outputs_group);
877
878         _connect_outputs_to_physical.set_label (_("... to physical outputs"));
879         _connect_outputs_to_physical.set_flags(Gtk::CAN_FOCUS);
880         _connect_outputs_to_physical.set_relief(Gtk::RELIEF_NORMAL);
881         _connect_outputs_to_physical.set_mode(true);
882         _connect_outputs_to_physical.set_active(Config->get_output_auto_connect() == AutoConnectPhysical);
883         _connect_outputs_to_physical.set_border_width(0);
884
885         output_conn_vbox.pack_start(_connect_outputs, Gtk::PACK_SHRINK, 0);
886         output_conn_vbox.pack_start(_connect_outputs_to_master, Gtk::PACK_SHRINK, 0);
887         output_conn_vbox.pack_start(_connect_outputs_to_physical, Gtk::PACK_SHRINK, 0);
888         output_vbox.set_border_width(6);
889
890         output_port_vbox.pack_start(output_port_limit_hbox, Gtk::PACK_SHRINK, 0);
891
892         output_vbox.pack_start(output_conn_vbox);
893         output_vbox.pack_start(output_port_vbox);
894
895         output_label.set_alignment(0, 0.5);
896         output_label.set_padding(0,0);
897         output_label.set_line_wrap(false);
898         output_label.set_selectable(false);
899         output_label.set_use_markup(true);
900         output_frame.set_shadow_type(Gtk::SHADOW_NONE);
901         output_frame.set_label_align(0,0.5);
902
903         output_hbox.pack_start (output_vbox, Gtk::PACK_SHRINK, 18);
904
905         output_frame.add(output_hbox);
906         output_frame.set_label_widget(output_label);
907
908         more_options_vbox.pack_start(advanced_table, Gtk::PACK_SHRINK, 0);
909         more_options_vbox.pack_start(bus_frame, Gtk::PACK_SHRINK, 6);
910         more_options_vbox.pack_start(input_frame, Gtk::PACK_SHRINK, 6);
911         more_options_vbox.pack_start(output_frame, Gtk::PACK_SHRINK, 0);
912
913         /* signals */
914
915         _connect_inputs.signal_clicked().connect (sigc::mem_fun (*this, &SessionDialog::connect_inputs_clicked));
916         _connect_outputs.signal_clicked().connect (sigc::mem_fun (*this, &SessionDialog::connect_outputs_clicked));
917         _limit_input_ports.signal_clicked().connect (sigc::mem_fun (*this, &SessionDialog::limit_inputs_clicked));
918         _limit_output_ports.signal_clicked().connect (sigc::mem_fun (*this, &SessionDialog::limit_outputs_clicked));
919         _create_master_bus.signal_clicked().connect (sigc::mem_fun (*this, &SessionDialog::master_bus_button_clicked));
920
921         /* note that more_options_vbox is "visible" by default even
922          * though it may not be displayed to the user, this is so the dialog
923          * doesn't resize.
924          */
925         more_options_vbox.show_all ();
926 }
927
928 bool
929 SessionDialog::create_master_bus() const
930 {
931         return _create_master_bus.get_active();
932 }
933
934 int
935 SessionDialog::master_channel_count() const
936 {
937         return _master_bus_channel_count.get_value_as_int();
938 }
939
940 bool
941 SessionDialog::connect_inputs() const
942 {
943         return _connect_inputs.get_active();
944 }
945
946 bool
947 SessionDialog::limit_inputs_used_for_connection() const
948 {
949         return _limit_input_ports.get_active();
950 }
951
952 int
953 SessionDialog::input_limit_count() const
954 {
955         return _input_limit_count.get_value_as_int();
956 }
957
958 bool
959 SessionDialog::connect_outputs() const
960 {
961         return _connect_outputs.get_active();
962 }
963
964 bool
965 SessionDialog::limit_outputs_used_for_connection() const
966 {
967         return _limit_output_ports.get_active();
968 }
969
970 int
971 SessionDialog::output_limit_count() const
972 {
973         return _output_limit_count.get_value_as_int();
974 }
975
976 bool
977 SessionDialog::connect_outs_to_master() const
978 {
979         return _connect_outputs_to_master.get_active();
980 }
981
982 bool
983 SessionDialog::connect_outs_to_physical() const
984 {
985         return _connect_outputs_to_physical.get_active();
986 }
987
988 void
989 SessionDialog::connect_inputs_clicked ()
990 {
991         _limit_input_ports.set_sensitive(_connect_inputs.get_active());
992
993         if (_connect_inputs.get_active() && _limit_input_ports.get_active()) {
994                 _input_limit_count.set_sensitive(true);
995         } else {
996                 _input_limit_count.set_sensitive(false);
997         }
998 }
999
1000 void
1001 SessionDialog::connect_outputs_clicked ()
1002 {
1003         bool const co = _connect_outputs.get_active ();
1004         _limit_output_ports.set_sensitive(co);
1005         _connect_outputs_to_master.set_sensitive(co);
1006         _connect_outputs_to_physical.set_sensitive(co);
1007
1008         if (co && _limit_output_ports.get_active()) {
1009                 _output_limit_count.set_sensitive(true);
1010         } else {
1011                 _output_limit_count.set_sensitive(false);
1012         }
1013 }
1014
1015 void
1016 SessionDialog::limit_inputs_clicked ()
1017 {
1018         _input_limit_count.set_sensitive(_limit_input_ports.get_active());
1019 }
1020
1021 void
1022 SessionDialog::limit_outputs_clicked ()
1023 {
1024         _output_limit_count.set_sensitive(_limit_output_ports.get_active());
1025 }
1026
1027 void
1028 SessionDialog::master_bus_button_clicked ()
1029 {
1030         bool const yn = _create_master_bus.get_active();
1031
1032         _master_bus_channel_count.set_sensitive(yn);
1033         _connect_outputs_to_master.set_sensitive(yn);
1034 }
1035
1036 void
1037 SessionDialog::recent_row_activated (const Gtk::TreePath&, Gtk::TreeViewColumn*)
1038 {
1039         response (RESPONSE_ACCEPT);
1040 }
1041
1042 void
1043 SessionDialog::existing_session_selected ()
1044 {
1045         _existing_session_chooser_used = true;
1046         recent_session_display.get_selection()->unselect_all();
1047         /* mark this sensitive in case we come back here after a failed open
1048          * attempt and the user has hacked up the fix. sigh.
1049          */
1050         open_button->set_sensitive (true);
1051         response (RESPONSE_ACCEPT);
1052 }
1053
1054 void
1055 SessionDialog::updates_button_clicked ()
1056 {
1057         //now open a browser window so user can see more
1058         PBD::open_uri (Config->get_updates_url());
1059 }
1060
1061 bool
1062 SessionDialog::info_scroller_update()
1063 {
1064         info_scroller_count++;
1065
1066         char buf[512];
1067         snprintf (buf, std::min(info_scroller_count,sizeof(buf)-1), "%s", ARDOUR_UI::instance()->announce_string().c_str() );
1068         buf[info_scroller_count] = 0;
1069         info_scroller_label.set_text (buf);
1070         info_scroller_label.show();
1071
1072         if (info_scroller_count > ARDOUR_UI::instance()->announce_string().length()) {
1073                 info_scroller_connection.disconnect();
1074         }
1075
1076         return true;
1077 }
1078
1079 bool
1080 SessionDialog::on_delete_event (GdkEventAny* ev)
1081 {
1082         response (RESPONSE_CANCEL);
1083         return ArdourDialog::on_delete_event (ev);
1084 }
1085