gtk2_ardour/export_dialog.cc

   1 /*
   2     Copyright (C) 1999-2005 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     $Id$
  19
  20 */
  21
  22 #include <unistd.h>
  23 #include <utility>
  24 #include <sys/stat.h>
  25 #include <fstream>
  26
  27 #include <samplerate.h>
  28
  29 #include <pbd/convert.h>
  30 #include <pbd/xml++.h>
  31
  32 #include <gtkmm2ext/utils.h>
  33 #include <ardour/export.h>
  34 #include <ardour/sndfile_helpers.h>
  35 #include <ardour/audio_track.h>
  36 #include <ardour/audioregion.h>
  37 #include <ardour/audioengine.h>
  38 #include <ardour/gdither.h>
  39 #include <ardour/utils.h>
  40
  41 #include "export_dialog.h"
  42 #include "ardour_ui.h"
  43 #include "public_editor.h"
  44 #include "keyboard.h"
  45
  46 #include "i18n.h"
  47
  48 #define FRAME_NAME "BaseFrame"
  49
  50 using namespace std;
  51 using namespace ARDOUR;
  52 using namespace PBD;
  53 using namespace sigc;
  54 using namespace Gtk;
  55
  56 using PBD::internationalize;
  57
  58 static const gchar *sample_rates[] = {
  59         N_("22.05kHz"),
  60         N_("44.1kHz"),
  61         N_("48kHz"),
  62         N_("88.2kHz"),
  63         N_("96kHz"),
  64         N_("192kHz"),
  65         0
  66 };
  67
  68 static const gchar *src_quality[] = {
  69         N_("best"),
  70         N_("fastest"),
  71         N_("linear"),
  72         N_("better"),
  73         N_("intermediate"),
  74         0
  75 };
  76
  77 static const gchar *dither_types[] = {
  78         N_("None"),
  79         N_("Rectangular"),
  80         N_("Shaped Noise"),
  81         N_("Triangular"),
  82         0
  83 };
  84
  85 static const gchar* channel_strings[] = {
  86         N_("stereo"),
  87         N_("mono"),
  88         0
  89 };
  90
  91 static const gchar* cue_file_types[] = {
  92         N_("None"),
  93         N_("CUE"),
  94         N_("TOC"),
  95         0
  96 };
  97
  98 ExportDialog::ExportDialog(PublicEditor& e)
  99         : ArdourDialog ("export dialog"),
 100           editor (e),
 101           format_table (9, 2),
 102           format_frame (_("Format")),
 103           cue_file_label (_("CD Marker File Type"), 1.0, 0.5),
 104           channel_count_label (_("Channels"), 1.0, 0.5),
 105           header_format_label (_("File Type"), 1.0, 0.5),
 106           bitdepth_format_label (_("Sample Format"), 1.0, 0.5),
 107           endian_format_label (_("Sample Endianness"), 1.0, 0.5),
 108           sample_rate_label (_("Sample Rate"), 1.0, 0.5),
 109           src_quality_label (_("Conversion Quality"), 1.0, 0.5),
 110           dither_type_label (_("Dither Type"), 1.0, 0.5),
 111           cuefile_only_checkbox (_("Export CD Marker File Only")),
 112           file_frame (_("Export to File")),
 113           file_browse_button (_("Browse")),
 114           track_selector_button (_("Specific tracks ..."))
 115 {
 116         guint32 n;
 117         guint32 len;
 118         guint32 maxlen;
 119
 120         session = 0;
 121         track_and_master_selection_allowed = true;
 122         channel_count_selection_allowed = true;
 123         export_cd_markers_allowed = true;
 124
 125         set_title (_("ardour: export"));
 126         set_wmclass (_("ardour_export"), "Ardour");
 127         set_name ("ExportWindow");
 128         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 129
 130         spec.running = false;
 131
 132         file_entry.set_name ("ExportFileNameEntry");
 133
 134         master_list = ListStore::create (exp_cols);
 135         master_selector.set_model (master_list);
 136
 137         master_selector.set_name ("ExportTrackSelector");
 138         master_selector.set_size_request (-1, 100);
 139         master_selector.append_column(_("Output"), exp_cols.output);
 140         master_selector.append_column_editable(_("Left"), exp_cols.left);
 141         master_selector.append_column_editable(_("Right"), exp_cols.right);
 142         master_selector.get_column(0)->set_min_width(100);
 143
 144         master_selector.get_column(1)->set_min_width(40);
 145         master_selector.get_column(1)->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 146         master_selector.get_column(2)->set_min_width(40);
 147         master_selector.get_column(2)->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 148         master_selector.get_selection()->set_mode (Gtk::SELECTION_NONE);
 149
 150         track_list = ListStore::create (exp_cols);
 151         track_selector.set_model (track_list);
 152
 153         track_selector.set_name ("ExportTrackSelector");
 154         track_selector.set_size_request (-1, 130);
 155         track_selector.append_column(_("Output"), exp_cols.output);
 156         track_selector.append_column_editable(_("Left"), exp_cols.left);
 157         track_selector.append_column_editable(_("Right"), exp_cols.right);
 158
 159         track_selector.get_column(0)->set_min_width(100);
 160         track_selector.get_column(1)->set_min_width(40);
 161         track_selector.get_column(1)->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 162         track_selector.get_column(2)->set_min_width(40);
 163         track_selector.get_column(2)->set_sizing(Gtk::TREE_VIEW_COLUMN_AUTOSIZE);
 164         track_selector.get_selection()->set_mode (Gtk::SELECTION_NONE);
 165
 166         progress_bar.set_name ("ExportProgress");
 167
 168         format_frame.add (format_table);
 169         format_frame.set_name (FRAME_NAME);
 170
 171         track_scroll.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 172         master_scroll.set_policy(Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC);
 173
 174         get_vbox()->pack_start (file_frame, false, false);
 175
 176         hpacker.set_spacing (5);
 177         hpacker.set_border_width (5);
 178         hpacker.pack_start (format_frame, false, false);
 179
 180         master_scroll.add (master_selector);
 181         track_scroll.add (track_selector);
 182
 183         master_scroll.set_size_request (220, 100);
 184         track_scroll.set_size_request (220, 100);
 185
 186         /* we may hide some of these later */
 187         track_vpacker.pack_start (master_scroll);
 188         track_vpacker.pack_start (track_scroll);
 189         track_vpacker.pack_start (track_selector_button, Gtk::PACK_EXPAND_PADDING);
 190
 191         hpacker.pack_start (track_vpacker);
 192
 193         get_vbox()->pack_start (hpacker);
 194
 195         track_selector_button.set_name ("EditorGTKButton");
 196         track_selector_button.signal_clicked().connect (mem_fun(*this, &ExportDialog::track_selector_button_click));
 197
 198         get_vbox()->pack_start (progress_bar, false, false);
 199
 200         Gtkmm2ext::set_size_request_to_display_given_text (file_entry, X_("Kg/quite/a/reasonable/size/for/files/i/think"), 5, 8);
 201
 202         file_hbox.set_spacing (5);
 203         file_hbox.set_border_width (5);
 204         file_hbox.pack_start (file_entry, true, true);
 205         file_hbox.pack_start (file_browse_button, false, false);
 206
 207         file_frame.add (file_hbox);
 208         file_frame.set_border_width (5);
 209         file_frame.set_name (FRAME_NAME);
 210
 211         /* pop_strings needs to be created on the stack because set_popdown_strings()
 212            takes a reference.
 213         */
 214
 215         vector<string> pop_strings = internationalize(sample_rates);
 216         Gtkmm2ext::set_popdown_strings (sample_rate_combo, pop_strings);
 217         sample_rate_combo.set_active_text (pop_strings.front());
 218         pop_strings = internationalize(src_quality);
 219         Gtkmm2ext::set_popdown_strings (src_quality_combo, pop_strings);
 220         src_quality_combo.set_active_text (pop_strings.front());
 221         pop_strings = internationalize(dither_types);
 222         Gtkmm2ext::set_popdown_strings (dither_type_combo, pop_strings);
 223         dither_type_combo.set_active_text (pop_strings.front());
 224         pop_strings = internationalize(channel_strings);
 225         Gtkmm2ext::set_popdown_strings (channel_count_combo, pop_strings);
 226         channel_count_combo.set_active_text (pop_strings.front());
 227         pop_strings = internationalize((const char **) sndfile_header_formats_strings);
 228         Gtkmm2ext::set_popdown_strings (header_format_combo, pop_strings);
 229         header_format_combo.set_active_text (pop_strings.front());
 230         pop_strings = internationalize((const char **) sndfile_bitdepth_formats_strings);
 231         Gtkmm2ext::set_popdown_strings (bitdepth_format_combo, pop_strings);
 232         bitdepth_format_combo.set_active_text (pop_strings.front());
 233         pop_strings = internationalize((const char **) sndfile_endian_formats_strings);
 234         Gtkmm2ext::set_popdown_strings (endian_format_combo, pop_strings);
 235         endian_format_combo.set_active_text (pop_strings.front());
 236         pop_strings = internationalize(cue_file_types);
 237         Gtkmm2ext::set_popdown_strings (cue_file_combo, pop_strings);
 238         cue_file_combo.set_active_text (pop_strings.front());
 239
 240         /* this will re-sensitized as soon as a non RIFF/WAV
 241            header format is chosen.
 242         */
 243
 244         endian_format_combo.set_sensitive (false);
 245
 246         /* determine longest strings at runtime */
 247
 248         maxlen = 0;
 249         const char *longest = X_("gl"); /* translators: one ascender, one descender */
 250         string longest_str;
 251
 252         for (n = 0; n < SNDFILE_HEADER_FORMATS; ++n) {
 253                 if ((len = strlen (sndfile_header_formats_strings[n])) > maxlen) {
 254                         maxlen = len;
 255                         longest = sndfile_header_formats_strings[n];
 256                 }
 257         }
 258
 259         for (n = 0; n < SNDFILE_BITDEPTH_FORMATS; ++n) {
 260                 if ((len = strlen (sndfile_bitdepth_formats_strings[n])) > maxlen) {
 261                         maxlen = len;
 262                         longest = sndfile_bitdepth_formats_strings[n];
 263                 }
 264         }
 265
 266         for (n = 0; n < SNDFILE_ENDIAN_FORMATS; ++n) {
 267                 if ((len = strlen (sndfile_endian_formats_strings[n])) > maxlen) {
 268                         maxlen = len;
 269                         longest = sndfile_endian_formats_strings[n];
 270                 }
 271         }
 272
 273         longest_str = longest;
 274
 275         /* force ascender + descender */
 276
 277         longest_str[0] = 'g';
 278         longest_str[1] = 'l';
 279
 280         //Gtkmm2ext::set_size_request_to_display_given_text (header_format_combo, longest_str.c_str(), 5+FUDGE, 5);
 281
 282         // TRANSLATORS: "slereg" is "stereo" with ascender and descender substituted
 283         //Gtkmm2ext::set_size_request_to_display_given_text (channel_count_combo, _("slereg"), 5+FUDGE, 5);
 284
 285 /*      header_format_combo.set_focus_on_click (true);
 286         bitdepth_format_combo.set_focus_on_click (true);
 287         endian_format_combo.set_focus_on_click (true);
 288         channel_count_combo.set_focus_on_click (true);
 289         src_quality_combo.set_focus_on_click (true);
 290         dither_type_combo.set_focus_on_click (true);
 291         sample_rate_combo.set_focus_on_click (true);
 292         cue_file_combo.set_focus_on_click (true);
 293 */
 294         dither_type_label.set_name ("ExportFormatLabel");
 295         sample_rate_label.set_name ("ExportFormatLabel");
 296         src_quality_label.set_name ("ExportFormatLabel");
 297         channel_count_label.set_name ("ExportFormatLabel");
 298         header_format_label.set_name ("ExportFormatLabel");
 299         bitdepth_format_label.set_name ("ExportFormatLabel");
 300         endian_format_label.set_name ("ExportFormatLabel");
 301         cue_file_label.set_name ("ExportFormatLabel");
 302
 303         header_format_combo.set_name ("ExportFormatDisplay");
 304         bitdepth_format_combo.set_name ("ExportFormatDisplay");
 305         endian_format_combo.set_name ("ExportFormatDisplay");
 306         channel_count_combo.set_name ("ExportFormatDisplay");
 307         dither_type_combo.set_name ("ExportFormatDisplay");
 308         src_quality_combo.set_name ("ExportFormatDisplay");
 309         sample_rate_combo.set_name ("ExportFormatDisplay");
 310         cue_file_combo.set_name ("ExportFormatDisplay");
 311
 312         cuefile_only_checkbox.set_name ("ExportCheckbox");
 313
 314         format_table.set_homogeneous (false);
 315         format_table.set_border_width (5);
 316         format_table.set_col_spacings (5);
 317         format_table.set_row_spacings (5);
 318
 319         format_table.attach (channel_count_label, 0, 1, 0, 1);
 320         format_table.attach (channel_count_combo, 1, 2, 0, 1);
 321
 322         format_table.attach (header_format_label, 0, 1, 1, 2);
 323         format_table.attach (header_format_combo, 1, 2, 1, 2);
 324
 325         format_table.attach (bitdepth_format_label, 0, 1, 2, 3);
 326         format_table.attach (bitdepth_format_combo, 1, 2, 2, 3);
 327
 328         format_table.attach (endian_format_label, 0, 1, 3, 4);
 329         format_table.attach (endian_format_combo, 1, 2, 3, 4);
 330
 331         format_table.attach (sample_rate_label, 0, 1, 4, 5);
 332         format_table.attach (sample_rate_combo, 1, 2, 4, 5);
 333
 334         format_table.attach (src_quality_label, 0, 1, 5, 6);
 335         format_table.attach (src_quality_combo, 1, 2, 5, 6);
 336
 337         format_table.attach (dither_type_label, 0, 1, 6, 7);
 338         format_table.attach (dither_type_combo, 1, 2, 6, 7);
 339
 340         format_table.attach (cue_file_label, 0, 1, 7, 8);
 341         format_table.attach (cue_file_combo, 1, 2, 7, 8);
 342         format_table.attach (cuefile_only_checkbox, 0, 2, 8, 9);
 343
 344         file_entry.set_name ("ExportFileDisplay");
 345
 346         signal_delete_event().connect (mem_fun(*this, &ExportDialog::window_closed));
 347
 348         cancel_button = add_button (Stock::CANCEL, RESPONSE_CANCEL);
 349         cancel_button->signal_clicked().connect (mem_fun(*this, &ExportDialog::end_dialog));
 350         ok_button = add_button (_("Export"), RESPONSE_ACCEPT);
 351         ok_button->signal_clicked().connect (mem_fun(*this, &ExportDialog::do_export));
 352
 353         file_browse_button.set_name ("EditorGTKButton");
 354         file_browse_button.signal_clicked().connect (mem_fun(*this, &ExportDialog::browse));
 355
 356         channel_count_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::channels_chosen));
 357         bitdepth_format_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::bitdepth_chosen));
 358         header_format_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::header_chosen));
 359         sample_rate_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::sample_rate_chosen));
 360         cue_file_combo.signal_changed().connect (mem_fun(*this, &ExportDialog::cue_file_type_chosen));
 361 }
 362
 363 ExportDialog::~ExportDialog()
 364 {
 365 }
 366
 367 void
 368 ExportDialog::do_not_allow_track_and_master_selection()
 369 {
 370         track_and_master_selection_allowed = false;
 371         track_vpacker.set_no_show_all();
 372 }
 373
 374 void
 375 ExportDialog::do_not_allow_channel_count_selection()
 376 {
 377         channel_count_selection_allowed = false;
 378         channel_count_combo.set_no_show_all();
 379         channel_count_label.set_no_show_all();
 380 }
 381
 382 void
 383 ExportDialog::do_not_allow_export_cd_markers()
 384 {
 385         export_cd_markers_allowed = false;
 386         cue_file_label.set_no_show_all();
 387         cue_file_combo.set_no_show_all();
 388         cuefile_only_checkbox.set_no_show_all();
 389 }
 390
 391 void
 392 ExportDialog::connect_to_session (Session *s)
 393 {
 394         session = s;
 395         session->GoingAway.connect (mem_fun(*this, &Window::hide_all));
 396
 397         switch (session->frame_rate()) {
 398         case 22050:
 399                 sample_rate_combo.set_active_text (N_("22.05kHz"));
 400                 break;
 401         case 44100:
 402                 sample_rate_combo.set_active_text (N_("44.1kHz"));
 403                 break;
 404         case 48000:
 405                 sample_rate_combo.set_active_text (N_("48kHz"));
 406                 break;
 407         case 88200:
 408                 sample_rate_combo.set_active_text (N_("88.2kHz"));
 409                 break;
 410         case 96000:
 411                 sample_rate_combo.set_active_text (N_("96kHz"));
 412                 break;
 413         case 192000:
 414                 sample_rate_combo.set_active_text (N_("192kHz"));
 415                 break;
 416         default:
 417                 sample_rate_combo.set_active_text (N_("44.1kHz"));
 418                 break;
 419         }
 420
 421         src_quality_combo.set_sensitive (false);
 422
 423         set_state();
 424 }
 425
 426 void
 427 ExportDialog::set_state()
 428 {
 429         XMLNode* node = session->instant_xml(X_("ExportDialog"), session->path());
 430         XMLProperty* prop;
 431
 432         if (node) {
 433
 434                 if ((prop = node->property (X_("sample_rate"))) != 0) {
 435                         sample_rate_combo.set_active_text(prop->value());
 436                 }
 437                 if ((prop = node->property (X_("src_quality"))) != 0) {
 438                         src_quality_combo.set_active_text(prop->value());
 439                 }
 440                 if ((prop = node->property (X_("dither_type"))) != 0) {
 441                         dither_type_combo.set_active_text(prop->value());
 442                 }
 443                 if ((prop = node->property (X_("channel_count"))) != 0) {
 444                         channel_count_combo.set_active_text(prop->value());
 445                 }
 446                 if ((prop = node->property (X_("header_format"))) != 0) {
 447                         header_format_combo.set_active_text(prop->value());
 448                 }
 449                 if ((prop = node->property (X_("bitdepth_format"))) != 0) {
 450                         bitdepth_format_combo.set_active_text(prop->value());
 451                 }
 452                 if ((prop = node->property (X_("endian_format"))) != 0) {
 453                         endian_format_combo.set_active_text(prop->value());
 454                 }
 455                 if ((prop = node->property (X_("filename"))) != 0) {
 456                         file_entry.set_text(prop->value());
 457                 }
 458                 if ((prop = node->property (X_("cue_file_type"))) != 0) {
 459                         cue_file_combo.set_active_text(prop->value());
 460                 }
 461         }
 462
 463         header_chosen ();
 464         bitdepth_chosen();
 465         channels_chosen();
 466         sample_rate_chosen();
 467
 468         if (session->master_out()) {
 469                 track_scroll.hide ();
 470         } else {
 471                 master_scroll.hide ();
 472                 track_selector_button.hide ();
 473         }
 474
 475         if (!node) {
 476                 return;
 477         }
 478
 479         if (session->master_out()) {
 480                 XMLNode* master = find_named_node(*node, (X_("Master")));
 481                 int nchns;
 482
 483                 if (!master) {
 484
 485                         /* default is to use all */
 486                         if (channel_count_combo.get_active_text() == _("mono")) {
 487                                 nchns = 1;
 488                         } else {
 489                                 nchns = 2;
 490                         }
 491
 492                         TreeModel::Children rows = master_selector.get_model()->children();
 493                         for (uint32_t r = 0; r < session->master_out()->n_outputs().get(DataType::AUDIO); ++r) {
 494                                 if (nchns == 2) {
 495                                         if (r % 2) {
 496                                                 rows[r][exp_cols.right] = true;
 497                                         } else {
 498                                                 rows[r][exp_cols.left] = true;
 499                                         }
 500                                 } else {
 501                                         rows[r][exp_cols.left] = true;
 502                                 }
 503                         }
 504
 505                 } else {
 506                         /* XXX use XML state */
 507                 }
 508         }
 509
 510         XMLNode* tracks = find_named_node(*node, (X_("Tracks")));
 511         if (!tracks) {
 512                 return;
 513         }
 514
 515         XMLNodeList track_list = tracks->children(X_("Track"));
 516         TreeModel::Children rows = track_selector.get_model()->children();
 517         TreeModel::Children::iterator ri = rows.begin();
 518         TreeModel::Row row;
 519
 520         for (XMLNodeIterator it = track_list.begin(); it != track_list.end(); ++it, ++ri) {
 521                 if (ri == rows.end()){
 522                         break;
 523                 }
 524
 525                 XMLNode* track = *it;
 526                 row = *ri;
 527
 528                 if ((prop = track->property(X_("channel1"))) != 0) {
 529                         if (prop->value() == X_("on")) {
 530                                 row[exp_cols.left] = true;
 531                         } else {
 532                                 row[exp_cols.left] = false;
 533                         }
 534                 }
 535
 536                 if ((prop = track->property(X_("channel2"))) != 0) {
 537                         if (prop->value() == X_("on")) {
 538                                 row[exp_cols.right] = true;
 539                         } else {
 540                                 row[exp_cols.right] = false;
 541                         }
 542                 }
 543         }
 544 }
 545
 546 void
 547 ExportDialog::save_state()
 548 {
 549         if (!session) {
 550                 return;
 551         }
 552
 553         XMLNode* node = new XMLNode(X_("ExportDialog"));
 554
 555         node->add_property(X_("sample_rate"), sample_rate_combo.get_active_text());
 556         node->add_property(X_("src_quality"), src_quality_combo.get_active_text());
 557         node->add_property(X_("dither_type"), dither_type_combo.get_active_text());
 558         node->add_property(X_("channel_count"), channel_count_combo.get_active_text());
 559         node->add_property(X_("header_format"), header_format_combo.get_active_text());
 560         node->add_property(X_("bitdepth_format"), bitdepth_format_combo.get_active_text());
 561         node->add_property(X_("endian_format"), endian_format_combo.get_active_text());
 562         node->add_property(X_("filename"), file_entry.get_text());
 563         node->add_property(X_("cue_file_type"), cue_file_combo.get_active_text());
 564
 565         XMLNode* tracks = new XMLNode(X_("Tracks"));
 566
 567         TreeModel::Children rows = track_selector.get_model()->children();
 568         TreeModel::Row row;
 569         for (TreeModel::Children::iterator ri = rows.begin(); ri != rows.end(); ++ri) {
 570                 XMLNode* track = new XMLNode(X_("Track"));
 571
 572                 row = *ri;
 573                 track->add_property(X_("channel1"), row[exp_cols.left] ? X_("on") : X_("off"));
 574                 track->add_property(X_("channel1"), row[exp_cols.right] ? X_("on") : X_("off"));
 575
 576                 tracks->add_child_nocopy(*track);
 577         }
 578         node->add_child_nocopy(*tracks);
 579
 580         session->add_instant_xml(*node, session->path());
 581 }
 582
 583 void
 584 ExportDialog::set_range (nframes_t start, nframes_t end)
 585 {
 586         spec.start_frame = start;
 587         spec.end_frame = end;
 588 }
 589
 590 gint
 591 ExportDialog::progress_timeout ()
 592 {
 593         progress_bar.set_fraction (spec.progress);
 594         return TRUE;
 595 }
 596
 597 void
 598 frames_to_cd_frames_string (char* buf, nframes_t when, nframes_t fr)
 599 {
 600
 601   long unsigned int remainder;
 602   int mins, secs, frames;
 603
 604         mins = when / (60 * fr);
 605         remainder = when - (mins * 60 * fr);
 606         secs = remainder / fr;
 607         remainder -= secs * fr;
 608         frames = remainder / (fr / 75);
 609         sprintf (buf, " %02d:%02d:%02d", mins, secs, frames);
 610
 611 }
 612
 613 struct LocationSortByStart {
 614     bool operator() (Location *a, Location *b) {
 615             return a->start() < b->start();
 616     }
 617 };
 618
 619 void
 620 ExportDialog::export_toc_file (Locations::LocationList& locations, const string& path)
 621 {
 622         if(!export_cd_markers_allowed){
 623                 return;
 624         }
 625
 626     string filepath = path + ".toc";
 627         ofstream out (filepath.c_str());
 628         long unsigned int last_end_time = spec.start_frame, last_start_time = spec.start_frame;
 629         int numtracks = 0;
 630         gchar buf[18];
 631
 632         if (!out) {
 633                 error << string_compose(_("Editor: cannot open \"%1\" as export file for CD toc file"), filepath) << endmsg;
 634                 return;
 635         }
 636         out << "CD_DA" << endl;
 637         out << "CD_TEXT {" << endl << "  LANGUAGE_MAP {" << endl << "    0 : EN" << endl << "  }" << endl;
 638         out << "  LANGUAGE 0 {" << endl << "    TITLE \"" << session->name() << "\"" << endl << "  }" << endl << "}" << endl;
 639
 640         Locations::LocationList::iterator i;
 641         Locations::LocationList temp;
 642
 643         for (i = locations.begin(); i != locations.end(); ++i) {
 644           if ((*i)->start() >= spec.start_frame && (*i)->end() <= spec.end_frame && (*i)->is_cd_marker() && !(*i)->is_end()) {
 645             temp.push_back (*i);
 646             if (!(*i)->is_mark()) {
 647               numtracks ++;
 648             }
 649           }
 650         }
 651
 652         if (numtracks == 0 ) {
 653                     /* the user supplied no track markers.
 654                        we now treat the session as one track.*/
 655
 656                     out << endl << "TRACK AUDIO" << endl;
 657
 658                     out << "COPY" << endl;
 659
 660                     out << "NO PRE_EMPHASIS" << endl;
 661
 662                     /* XXX add session properties for catalog etc.
 663                        (so far only the session name is used) */
 664
 665                     out << "CD_TEXT {" << endl << "  LANGUAGE 0 {" << endl << "     TITLE \"" << session->name() << "\"" << endl;
 666                     out << "  }" << endl << "}" << endl;
 667
 668                     out << "FILE \"" << path << "\" ";
 669                     out << "00:00:00 " ;
 670                     frames_to_cd_frames_string (buf, spec.end_frame - spec.start_frame, session->frame_rate());
 671                     out << buf << endl;
 672                     out << "START 00:00:00" << endl;
 673
 674                     last_start_time = spec.start_frame;
 675                     last_end_time = spec.end_frame;
 676         }
 677
 678         if (temp.size()) {
 679                 LocationSortByStart cmp;
 680                 temp.sort (cmp);
 681
 682                 for (i = temp.begin(); i != temp.end(); ++i) {
 683
 684                       if (!(*i)->is_mark()) {
 685                         /*this is a track */
 686                         out << endl << "TRACK AUDIO" << endl;
 687
 688                         if ((*i)->cd_info.find("scms") != (*i)->cd_info.end())  {
 689                           out << "NO ";
 690                         }
 691                         out << "COPY" << endl;
 692
 693                         if ((*i)->cd_info.find("preemph") != (*i)->cd_info.end())  {
 694                           out << "PRE_EMPHASIS" << endl;
 695                         } else {
 696                           out << "NO PRE_EMPHASIS" << endl;
 697                         }
 698
 699                         if ((*i)->cd_info.find("isrc") != (*i)->cd_info.end())  {
 700                           out << "ISRC \"" << (*i)->cd_info["isrc"] << "\"" << endl;
 701                         }
 702
 703                         out << "CD_TEXT {" << endl << "  LANGUAGE 0 {" << endl << "     TITLE \"" << (*i)->name() << "\"" << endl;
 704                         if ((*i)->cd_info.find("performer") != (*i)->cd_info.end()) {
 705                           out << "     PERFORMER \"" << (*i)->cd_info["performer"]  << "\"" << endl;
 706                         }
 707                         if ((*i)->cd_info.find("string_composer") != (*i)->cd_info.end()) {
 708                           out  << "     COMPOSER \"" << (*i)->cd_info["string_composer"] << "\"" << endl;
 709                         }
 710
 711                         if ((*i)->cd_info.find("isrc") != (*i)->cd_info.end()) {
 712                           out  << "     ISRC \"";
 713                           out << (*i)->cd_info["isrc"].substr(0,2) << "-";
 714                           out << (*i)->cd_info["isrc"].substr(2,3) << "-";
 715                           out << (*i)->cd_info["isrc"].substr(5,2) << "-";
 716                           out << (*i)->cd_info["isrc"].substr(7,5) << "\"" << endl;
 717                         }
 718
 719                         out << "  }" << endl << "}" << endl;
 720
 721                         frames_to_cd_frames_string (buf, last_end_time - spec.start_frame, session->frame_rate());
 722                         out << "FILE \"" << path << "\" " << buf;
 723
 724                         frames_to_cd_frames_string (buf, (*i)->end() - last_end_time, session->frame_rate());
 725                         out << buf << endl;
 726
 727                         frames_to_cd_frames_string (buf, (*i)->start() - last_end_time, session->frame_rate());
 728                         out << "START" << buf << endl;
 729
 730                         last_start_time = (*i)->start();
 731                         last_end_time = (*i)->end();
 732
 733
 734                       } else  if ((*i)->start() < last_end_time) {
 735                         /* this is an index within a track */
 736
 737                         frames_to_cd_frames_string (buf, (*i)->start() - last_start_time, session->frame_rate());
 738                         out << "INDEX" << buf << endl;
 739                       }
 740                 }
 741         }
 742
 743 }
 744
 745 void
 746 ExportDialog::export_cue_file (Locations::LocationList& locations, const string& path)
 747 {
 748         if(!export_cd_markers_allowed){
 749                 return;
 750         }
 751
 752     string filepath = path + ".cue";
 753         ofstream out (filepath.c_str());
 754         gchar buf[18];
 755         long unsigned int last_track_end = spec.start_frame;
 756         int numtracks = 0, tracknum = 0, indexnum = 0;
 757
 758         if (!out) {
 759                 error << string_compose(_("Editor: cannot open \"%1\" as export file for CD cue file"), filepath) << endmsg;
 760                 return;
 761         }
 762
 763         Locations::LocationList::iterator i;
 764         Locations::LocationList temp;
 765
 766         for (i = locations.begin(); i != locations.end(); ++i) {
 767                 if ((*i)->start() >= spec.start_frame && (*i)->end() <= spec.end_frame && (*i)->is_cd_marker() && !(*i)->is_end()) {
 768                         temp.push_back (*i);
 769                         if (!(*i)->is_mark()) {
 770                                 numtracks++;
 771                         }
 772                 }
 773         }
 774
 775         out << "REM Cue file generated by Ardour" << endl;
 776         out << "TITLE \"" << session->name() << "\"" << endl;
 777
 778         if ((header_format_combo.get_active_text() == N_("WAV"))) {
 779                   out << "FILE " << path  << " WAVE" << endl;
 780         } else {
 781                   out << "FILE " << path  << ' ' << (header_format_combo.get_active_text()) << endl;
 782         }
 783
 784         if (numtracks == 0) {
 785                     /* the user has supplied no track markers.
 786                        the entire export is treated as one track.
 787                     */
 788
 789                   numtracks++;
 790                   tracknum++;
 791                   indexnum = 0;
 792                   out << endl << "TRACK " << tracknum << " AUDIO" << endl;
 793                   out << "FLAGS " ;
 794
 795                   out << "DCP " << endl;
 796
 797                   /* use the session name*/
 798
 799                   if (session->name() != "") {
 800                     out << "TITLE \"" << session->name() << "\"" << endl;
 801                   }
 802
 803                   /* no pregap in this case */
 804
 805                   out << "INDEX 00 00:00:00" << endl;
 806                   indexnum++;
 807                   out << "INDEX 01 00:00:00" << endl;
 808                   indexnum++;
 809                   last_track_end = spec.end_frame;
 810         }
 811
 812         if (temp.size()) {
 813                 LocationSortByStart cmp;
 814                 temp.sort (cmp);
 815
 816                 for ( i = temp.begin(); i != temp.end(); ++i) {
 817
 818                     if (!(*i)->is_mark() && ((*i)->start() >= last_track_end)) {
 819                       /* this is a track and it doesn't start inside another one*/
 820
 821                       tracknum++;
 822                       indexnum = 0;
 823                       out << endl << "TRACK " << tracknum << " AUDIO" << endl;
 824                       out << "FLAGS " ;
 825
 826                       if ((*i)->cd_info.find("scms") != (*i)->cd_info.end())  {
 827                         out << "SCMS ";
 828                       } else {
 829                         out << "DCP ";
 830                       }
 831
 832                       if ((*i)->cd_info.find("preemph") != (*i)->cd_info.end())  {
 833                         out << "PRE";
 834                       }
 835                       out << endl;
 836
 837                       if ((*i)->cd_info.find("isrc") != (*i)->cd_info.end())  {
 838                         out << "ISRC " << (*i)->cd_info["isrc"] << endl;
 839
 840                       }
 841                       if ((*i)->name() != "") {
 842                         out << "TITLE \"" << (*i)->name() << "\"" << endl;
 843                       }
 844
 845                       if ((*i)->cd_info.find("performer") != (*i)->cd_info.end()) {
 846                         out << "PERFORMER \"" <<  (*i)->cd_info["performer"] << "\"" << endl;
 847                       }
 848
 849                       if ((*i)->cd_info.find("string_composer") != (*i)->cd_info.end()) {
 850                         out << "SONGWRITER \"" << (*i)->cd_info["string_composer"]  << "\"" << endl;
 851                       }
 852                         snprintf (buf, sizeof(buf), "INDEX %02d", indexnum);
 853                         out << buf;
 854                         frames_to_cd_frames_string (buf, last_track_end - spec.start_frame, session->frame_rate());
 855                         out << buf << endl;
 856                         indexnum++;
 857                         last_track_end = (*i)->end();
 858                     }
 859                     if ((tracknum > 0) && ((*i)->start() < last_track_end)) {
 860                       /*this is an index and it lies within a track*/
 861                       snprintf (buf, sizeof(buf), "INDEX %02d", indexnum);
 862                       out << buf;
 863                       frames_to_cd_frames_string (buf,(*i)->start() - spec.start_frame, session->frame_rate());
 864                       out << buf << endl;
 865                       indexnum++;
 866                     }
 867                 }
 868         }
 869
 870 }
 871
 872 void
 873 ExportDialog::do_export_cd_markers (const string& path,const string& cuefile_type)
 874 {
 875         if (cuefile_type == "TOC") {
 876                 session->locations()->apply (*this, &ExportDialog::export_toc_file, path);
 877         } else {
 878                 session->locations()->apply (*this, &ExportDialog::export_cue_file, path);
 879         }
 880 }
 881
 882
 883 void
 884 ExportDialog::do_export ()
 885 {
 886         string filepath = file_entry.get_text();
 887
 888         if(!is_filepath_valid(filepath)){
 889                 return;
 890         }
 891
 892         if (export_cd_markers_allowed) {
 893                 if (cue_file_combo.get_active_text () != _("None")) {
 894                         do_export_cd_markers (file_entry.get_text(), cue_file_combo.get_active_text ());
 895                 }
 896
 897                 if (cuefile_only_checkbox.get_active()) {
 898                         end_dialog ();
 899                         return;
 900                 }
 901         }
 902
 903         ok_button->set_sensitive(false);
 904         save_state();
 905
 906         set_modal (true);
 907
 908         // read user input into spec
 909         initSpec(filepath);
 910
 911         progress_connection = Glib::signal_timeout().connect (mem_fun(*this, &ExportDialog::progress_timeout), 100);
 912         cancel_label.set_text (_("Stop Export"));
 913
 914         export_audio_data();
 915
 916         progress_connection.disconnect ();
 917         end_dialog ();
 918 }
 919
 920
 921 void
 922 ExportDialog::end_dialog ()
 923 {
 924
 925         if (spec.running) {
 926                 spec.stop = true;
 927
 928                 while (spec.running) {
 929                         if (gtk_events_pending()) {
 930                                 gtk_main_iteration ();
 931                         } else {
 932                                 usleep (10000);
 933                         }
 934                 }
 935         }
 936
 937         session->engine().freewheel (false);
 938
 939         hide_all ();
 940
 941         set_modal (false);
 942         ok_button->set_sensitive(true);
 943 }
 944
 945 void
 946 ExportDialog::start_export ()
 947 {
 948         if (session == 0) {
 949                 return;
 950         }
 951
 952         /* If the filename hasn't been set before, use the
 953            directory above the current session as a default
 954            location for the export.
 955         */
 956
 957         if (file_entry.get_text().length() == 0) {
 958                 string dir = session->path();
 959                 string::size_type last_slash;
 960
 961                 if ((last_slash = dir.find_last_of ('/')) != string::npos) {
 962                         dir = dir.substr (0, last_slash+1);
 963                 }
 964
 965                 dir = dir + "export.wav";
 966
 967                 file_entry.set_text (dir);
 968         }
 969
 970         progress_bar.set_fraction (0);
 971         cancel_label.set_text (_("Cancel"));
 972
 973         show_all ();
 974
 975         if (session->master_out()) {
 976                 track_scroll.hide ();
 977         } else {
 978                 master_scroll.hide ();
 979                 track_selector_button.hide ();
 980         }
 981 }
 982
 983 void
 984 ExportDialog::header_chosen ()
 985 {
 986         if (sndfile_header_format_from_string (header_format_combo.get_active_text ()) == SF_FORMAT_WAV) {
 987                 endian_format_combo.set_sensitive (false);
 988         } else {
 989                 endian_format_combo.set_sensitive (true);
 990         }
 991 }
 992
 993 void
 994 ExportDialog::bitdepth_chosen ()
 995 {
 996         int format = sndfile_bitdepth_format_from_string (bitdepth_format_combo.get_active_text ());
 997         switch (format) {
 998         case SF_FORMAT_PCM_24:
 999         case SF_FORMAT_PCM_32:
1000         case SF_FORMAT_FLOAT:
1001                 dither_type_combo.set_sensitive (false);
1002                 break;
1003
1004         default:
1005                 dither_type_combo.set_sensitive (true);
1006                 break;
1007         }
1008 }
1009
1010 void
1011 ExportDialog::cue_file_type_chosen ()
1012 {
1013         if (cue_file_combo.get_active_text () != "None") {
1014                 cuefile_only_checkbox.set_sensitive (true);
1015         } else {
1016                 cuefile_only_checkbox.set_active (false);
1017                 cuefile_only_checkbox.set_sensitive (false);
1018         }
1019 }
1020
1021 void
1022 ExportDialog::sample_rate_chosen ()
1023 {
1024         string sr_str = sample_rate_combo.get_active_text();
1025         nframes_t rate;
1026
1027         if (sr_str == N_("22.05kHz")) {
1028                 rate = 22050;
1029         } else if (sr_str == N_("44.1kHz")) {
1030                 rate = 44100;
1031         } else if (sr_str == N_("48kHz")) {
1032                 rate = 48000;
1033         } else if (sr_str == N_("88.2kHz")) {
1034                 rate = 88200;
1035         } else if (sr_str == N_("96kHz")) {
1036                 rate = 96000;
1037         } else if (sr_str == N_("192kHz")) {
1038                 rate = 192000;
1039         } else {
1040                 rate = session->frame_rate();
1041         }
1042
1043         if (rate != session->frame_rate()) {
1044                 src_quality_combo.set_sensitive (true);
1045         } else {
1046                 src_quality_combo.set_sensitive (false);
1047         }
1048 }
1049
1050 void
1051 ExportDialog::channels_chosen ()
1052 {
1053         bool mono;
1054
1055         mono = (channel_count_combo.get_active_text() == _("mono"));
1056
1057         if (mono) {
1058                 track_selector.get_column(2)->set_visible(false);
1059                 track_selector.get_column(1)->set_title(_("Export"));
1060
1061                 if (session->master_out()) {
1062                         master_selector.get_column(2)->set_visible(false);
1063                         master_selector.get_column(1)->set_title(_("Export"));
1064                 }
1065
1066         } else {
1067                 track_selector.get_column(2)->set_visible(true);
1068                 track_selector.get_column(1)->set_title(_("Left"));
1069
1070                 if (session->master_out()) {
1071                         master_selector.get_column(2)->set_visible(true);
1072                         master_selector.get_column(1)->set_title(_("Left"));
1073                 }
1074         }
1075
1076         fill_lists();
1077 }
1078
1079 void
1080 ExportDialog::fill_lists ()
1081 {
1082         track_list->clear();
1083         master_list->clear();
1084
1085         boost::shared_ptr<Session::RouteList> routes = session->get_routes ();
1086
1087         for (Session::RouteList::iterator ri = routes->begin(); ri != routes->end(); ++ri) {
1088
1089                 boost::shared_ptr<Route> route = (*ri);
1090
1091                 if (route->hidden()) {
1092                         continue;
1093                 }
1094
1095                 for (uint32_t i=0; i < route->n_outputs().get(DataType::AUDIO); ++i) {
1096                         string name;
1097                         if (route->n_outputs().get(DataType::AUDIO) == 1) {
1098                                 name = route->name();
1099                         } else {
1100                                 name = string_compose("%1: out-%2", route->name(), i+1);
1101                         }
1102
1103                         if (route == session->master_out()) {
1104                                 TreeModel::iterator iter = master_list->append();
1105                                 TreeModel::Row row = *iter;
1106                                 row[exp_cols.output] = name;
1107                                 row[exp_cols.left] = false;
1108                                 row[exp_cols.right] = false;
1109                                 row[exp_cols.port] = route->output (i);
1110                         } else {
1111                                 TreeModel::iterator iter = track_list->append();
1112                                 TreeModel::Row row = *iter;
1113                                 row[exp_cols.output] = name;
1114                                 row[exp_cols.left] = false;
1115                                 row[exp_cols.right] = false;
1116                                 row[exp_cols.port] = route->output (i);
1117                         }
1118                 }
1119         }
1120 }
1121
1122
1123 bool
1124 ExportDialog::is_filepath_valid(string &filepath)
1125 {
1126         // sanity check file name first
1127
1128         struct stat statbuf;
1129
1130         if (filepath.empty()) {
1131                 string txt = _("Please enter a valid filename.");
1132                 MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
1133                 msg.run();
1134                 return false;
1135         }
1136
1137         // check if file exists already and warn
1138
1139         if (stat (filepath.c_str(), &statbuf) == 0) {
1140                 if (S_ISDIR (statbuf.st_mode)) {
1141                         string txt = _("Please specify a complete filename for the audio file.");
1142                         MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
1143                         msg.run();
1144                         return false;
1145                 }
1146                 else {
1147                         string txt = _("File already exists, do you want to overwrite it?");
1148                         MessageDialog msg (*this, txt, false, MESSAGE_QUESTION, BUTTONS_YES_NO, true);
1149                         if ((ResponseType) msg.run() == Gtk::RESPONSE_NO) {
1150                                 return false;
1151                         }
1152                 }
1153         }
1154
1155         // directory needs to exist and be writable
1156
1157         string dirpath = Glib::path_get_dirname (filepath);
1158         if (::access (dirpath.c_str(), W_OK) != 0) {
1159                 string txt = _("Cannot write file in: ") + dirpath;
1160                 MessageDialog msg (*this, txt, false, MESSAGE_ERROR, BUTTONS_OK, true);
1161                 msg.run();
1162                 return false;
1163         }
1164
1165         return true;
1166 }
1167
1168 void
1169 ExportDialog::initSpec(string &filepath)
1170 {
1171         spec.path = filepath;
1172         spec.progress = 0;
1173         spec.running = true;
1174         spec.stop = false;
1175         spec.port_map.clear();
1176
1177         if (channel_count_combo.get_active_text() == _("mono")) {
1178                 spec.channels = 1;
1179         } else {
1180                 spec.channels = 2;
1181         }
1182
1183         spec.format = 0;
1184
1185         spec.format |= sndfile_header_format_from_string (header_format_combo.get_active_text ());
1186
1187         if ((spec.format & SF_FORMAT_WAV) == 0) {
1188                 /* RIFF/WAV specifies endianess */
1189                 spec.format |= sndfile_endian_format_from_string (endian_format_combo.get_active_text ());
1190         }
1191
1192         spec.format |= sndfile_bitdepth_format_from_string (bitdepth_format_combo.get_active_text ());
1193
1194         string sr_str = sample_rate_combo.get_active_text();
1195         if (sr_str == N_("22.05kHz")) {
1196                 spec.sample_rate = 22050;
1197         } else if (sr_str == N_("44.1kHz")) {
1198                 spec.sample_rate = 44100;
1199         } else if (sr_str == N_("48kHz")) {
1200                 spec.sample_rate = 48000;
1201         } else if (sr_str == N_("88.2kHz")) {
1202                 spec.sample_rate = 88200;
1203         } else if (sr_str == N_("96kHz")) {
1204                 spec.sample_rate = 96000;
1205         } else if (sr_str == N_("192kHz")) {
1206                 spec.sample_rate = 192000;
1207         } else {
1208                 spec.sample_rate = session->frame_rate();
1209         }
1210
1211         string src_str = src_quality_combo.get_active_text();
1212         if (src_str == _("fastest")) {
1213                 spec.src_quality = SRC_ZERO_ORDER_HOLD;
1214         } else if (src_str == _("linear")) {
1215                 spec.src_quality = SRC_LINEAR;
1216         } else if (src_str == _("better")) {
1217                 spec.src_quality = SRC_SINC_FASTEST;
1218         } else if (src_str == _("intermediate")) {
1219                 spec.src_quality = SRC_SINC_MEDIUM_QUALITY;
1220         } else {
1221                 spec.src_quality = SRC_SINC_BEST_QUALITY;
1222         }
1223
1224         string dither_str = dither_type_combo.get_active_text();
1225         if (dither_str == _("None")) {
1226                 spec.dither_type = GDitherNone;
1227         } else if (dither_str == _("Rectangular")) {
1228                 spec.dither_type = GDitherRect;
1229         } else if (dither_str == _("Triangular")) {
1230                 spec.dither_type = GDitherTri;
1231         } else {
1232                 spec.dither_type = GDitherShaped;
1233         }
1234
1235         write_track_and_master_selection_to_spec();
1236 }
1237
1238
1239 void
1240 ExportDialog::write_track_and_master_selection_to_spec()
1241 {
1242         if(!track_and_master_selection_allowed){
1243                 return;
1244         }
1245
1246         uint32_t chan=0;
1247         Port *last_port = 0;
1248
1249         TreeModel::Children rows = master_selector.get_model()->children();
1250         TreeModel::Children::iterator ri;
1251         TreeModel::Row row;
1252         for (ri = rows.begin(); ri != rows.end(); ++ri) {
1253                 row = *ri;
1254                 Port* port = row[exp_cols.port];
1255
1256                 if (last_port != port) {
1257                         chan = 0;
1258                 }
1259
1260                 if (row[exp_cols.left]) {
1261                         spec.port_map[0].push_back (std::pair<Port*,uint32_t>(port, chan));
1262                 }
1263
1264                 if (spec.channels == 2) {
1265                         if (row[exp_cols.right]) {
1266                                 spec.port_map[1].push_back (std::pair<Port*,uint32_t>(port, chan));
1267                         }
1268                 }
1269         }
1270
1271         chan = 0;
1272         rows = track_selector.get_model()->children();
1273
1274         for (ri = rows.begin(); ri != rows.end(); ++ri) {
1275                 row = *ri;
1276
1277                 Port* port = row[exp_cols.port];
1278
1279                 if (last_port != port) {
1280                         chan = 0;
1281                 }
1282
1283                 if (row[exp_cols.left]) {
1284                         spec.port_map[0].push_back (std::pair<Port*,uint32_t>(port, chan));
1285                 }
1286
1287                 if (spec.channels == 2) {
1288                         if (row[exp_cols.right]) {
1289                                 spec.port_map[1].push_back (std::pair<Port*,uint32_t>(port, chan));
1290                         }
1291
1292                 }
1293
1294                 last_port = port;
1295                 ++chan;
1296         }
1297 }
1298
1299
1300 gint
1301 ExportDialog::window_closed (GdkEventAny *ignored)
1302 {
1303         end_dialog ();
1304         return TRUE;
1305 }
1306
1307 void
1308 ExportDialog::browse ()
1309 {
1310         FileChooserDialog dialog("Export to file", FILE_CHOOSER_ACTION_SAVE);
1311         dialog.set_transient_for(*this);
1312         dialog.set_filename (file_entry.get_text());
1313
1314         dialog.add_button(Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
1315         dialog.add_button(Gtk::Stock::OK, Gtk::RESPONSE_OK);
1316
1317         int result = dialog.run();
1318
1319         if (result == Gtk::RESPONSE_OK) {
1320                 string filename = dialog.get_filename();
1321
1322                 if (filename.length()) {
1323                         file_entry.set_text (filename);
1324                 }
1325         }
1326 }
1327
1328 void
1329 ExportDialog::track_selector_button_click ()
1330 {
1331         if (track_scroll.is_visible ()) {
1332                 track_scroll.hide ();
1333         } else {
1334                 track_scroll.show_all ();
1335         }
1336 }