annotate main/main.cpp @ 417:a0d162a3f3a7 templating

Use ReplaceSession mode where appropriate in place of ReplaceMainModel (#148)
author Chris Cannam
date Wed, 27 Apr 2011 14:46:35 +0100
parents 61111a6a229f
children 4bccf2014f80
rev   line source
Chris@0 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@0 2
Chris@0 3 /*
Chris@0 4 Sonic Visualiser
Chris@0 5 An audio file viewer and annotation editor.
Chris@0 6 Centre for Digital Music, Queen Mary, University of London.
Chris@77 7 This file copyright 2006 Chris Cannam and QMUL.
Chris@0 8
Chris@0 9 This program is free software; you can redistribute it and/or
Chris@0 10 modify it under the terms of the GNU General Public License as
Chris@0 11 published by the Free Software Foundation; either version 2 of the
Chris@0 12 License, or (at your option) any later version. See the file
Chris@0 13 COPYING included with this distribution for more information.
Chris@0 14 */
Chris@0 15
Chris@0 16 #include "MainWindow.h"
Chris@0 17
Chris@1 18 #include "system/System.h"
Chris@1 19 #include "system/Init.h"
Chris@0 20 #include "base/TempDirectory.h"
Chris@0 21 #include "base/PropertyContainer.h"
Chris@0 22 #include "base/Preferences.h"
Chris@120 23 #include "widgets/TipDialog.h"
Chris@315 24 #include "transform/TransformFactory.h"
Chris@0 25
Chris@0 26 #include <QMetaType>
Chris@0 27 #include <QApplication>
Chris@0 28 #include <QDesktopWidget>
Chris@0 29 #include <QMessageBox>
Chris@0 30 #include <QTranslator>
Chris@0 31 #include <QLocale>
Chris@5 32 #include <QSettings>
Chris@7 33 #include <QIcon>
Chris@11 34 #include <QSessionManager>
Chris@165 35 #include <QDir>
Chris@231 36 #include <QSplashScreen>
Chris@252 37 #include <QTimer>
Chris@331 38 #include <QPainter>
dan@365 39 #include <QFileOpenEvent>
Chris@331 40
Chris@331 41 #include "../version.h"
Chris@0 42
Chris@0 43 #include <iostream>
Chris@0 44 #include <signal.h>
Chris@0 45
Chris@215 46 #ifdef HAVE_FFTW3F
Chris@215 47 #include <fftw3.h>
Chris@215 48 #endif
Chris@215 49
Chris@127 50 /*! \mainpage Sonic Visualiser
Chris@127 51
Chris@127 52 \section interesting Summary of interesting classes
Chris@127 53
Chris@127 54 - Data models: Model and subclasses, e.g. WaveFileModel
Chris@127 55
Chris@127 56 - Graphical layers: Layer and subclasses, displayed on View and its
Chris@127 57 subclass widgets.
Chris@127 58
Chris@127 59 - Main window class, document class, and file parser: MainWindow,
Chris@127 60 Document, SVFileReader
Chris@127 61
Chris@127 62 - Turning one model (e.g. audio) into another (e.g. more audio, or a
Chris@244 63 curve extracted from it): Transform, encapsulating the data that need
Chris@244 64 to be stored to be able to reproduce a given transformation;
Chris@244 65 TransformFactory, for discovering the available types of transform;
Chris@244 66 ModelTransformerFactory, ModelTransformer and subclasses, providing
Chris@244 67 the mechanisms for applying transforms to data models
Chris@127 68
Chris@127 69 - Creating the plugins used by transforms: RealTimePluginFactory,
Chris@129 70 FeatureExtractionPluginFactory. See also the API documentation for
Chris@129 71 Vamp feature extraction plugins at
Chris@129 72 http://www.vamp-plugins.org/code-doc/.
Chris@127 73
Chris@127 74 - File reading and writing code: AudioFileReader and subclasses,
Chris@127 75 WavFileWriter, DataFileReader, SVFileReader
Chris@127 76
Chris@127 77 - FFT calculation and cacheing: FFTModel, FFTDataServer
Chris@127 78
Chris@127 79 - Widgets that show groups of editable properties: PropertyBox for
Chris@127 80 layer properties (contained in a PropertyStack), PluginParameterBox
Chris@127 81 for plugins (contained in a PluginParameterDialog)
Chris@127 82
Chris@127 83 - Audio playback: AudioCallbackPlaySource and subclasses,
Chris@127 84 AudioCallbackPlayTarget and subclasses, AudioGenerator
Chris@127 85
Chris@127 86 \section model Data sources: the Model hierarchy
Chris@127 87
Chris@127 88 A Model is something containing, or knowing how to obtain, data.
Chris@127 89
Chris@127 90 For example, WaveFileModel is a model that knows how to get data
Chris@127 91 from an audio file; SparseTimeValueModel is a model containing
Chris@127 92 editable "curve" data.
Chris@127 93
Chris@127 94 Models typically subclass one of a number of abstract subclasses of
Chris@127 95 Model. For example, WaveFileModel subclasses DenseTimeValueModel,
Chris@127 96 which describes an interface for models that have a value at each
Chris@127 97 time point for a given sampling resolution. (Note that
Chris@127 98 WaveFileModel does not actually read the files itself: it uses
Chris@127 99 AudioFileReader classes for that. It just makes data from the
Chris@127 100 files available in a Model.) SparseTimeValueModel uses the
Chris@127 101 SparseModel template class, which provides most of the
Chris@127 102 implementation for models that contain a series of points of some
Chris@127 103 sort -- also used by NoteModel, TextModel, and
Chris@127 104 SparseOneDimensionalModel.
Chris@127 105
Chris@127 106 Everything that goes on the screen originates from a model, via a
Chris@127 107 layer (see below). The models are contained in a Document object.
Chris@127 108 There is no containment hierarchy or ordering of models in the
Chris@127 109 document. One model is the main model, which defines the sample
Chris@127 110 rate for playback.
Chris@127 111
Chris@127 112 A model may also be marked as a "derived" model, which means it was
Chris@127 113 generated from another model using some transform (feature
Chris@127 114 extraction or effect plugin, etc) -- the idea being that they can
Chris@127 115 be re-generated using the same transform if a new source model is
Chris@127 116 loaded.
Chris@127 117
Chris@127 118 \section layer Things that can display data: the Layer hierarchy
Chris@127 119
Chris@127 120 A Layer is something that knows how to draw parts of a model onto a
Chris@127 121 timeline.
Chris@127 122
Chris@127 123 For example, WaveformLayer is a layer which draws waveforms, based
Chris@127 124 on WaveFileModel; TimeValueLayer draws curves, based on
Chris@127 125 SparseTimeValueModel; SpectrogramLayer draws spectrograms, based on
Chris@127 126 WaveFileModel (via FFTModel).
Chris@127 127
Chris@127 128 The most basic functions of a layer are: to draw itself onto a
Chris@127 129 Pane, against a timeline on the x axis; and to permit user
Chris@127 130 interaction. If you were thinking of adding the capability to
Chris@127 131 display a new sort of something, then you would want to add a new
Chris@127 132 layer type. (You may also need a new model type, depending on
Chris@127 133 whether any existing model can capture the data you need.)
Chris@127 134 Depending on the sort of data in question, there are various
Chris@127 135 existing layers that might be appropriate to start from -- for
Chris@127 136 example, a layer that displays images that the user has imported
Chris@127 137 and associated with particular times might have something in common
Chris@127 138 with the existing TextLayer which displays pieces of text that are
Chris@127 139 associated with particular times.
Chris@127 140
Chris@127 141 Although layers are visual objects, they are contained in the
Chris@127 142 Document in Sonic Visualiser rather than being managed together
Chris@127 143 with display widgets. The Sonic Visualiser file format has
Chris@127 144 separate data and layout sections, and the layers are defined in
Chris@127 145 the data section and then referred to in the layout section which
Chris@127 146 determines which layers may go on which panes (see Pane below).
Chris@127 147
Chris@127 148 Once a layer class is defined, some basic data about it needs to be
Chris@127 149 set up in the LayerFactory class, and then it will appear in the
Chris@127 150 menus and so on on the main window.
Chris@127 151
Chris@127 152 \section view Widgets that are used to show layers: The View hierarchy
Chris@127 153
Chris@127 154 A View is a widget that displays a stack of layers. The most
Chris@127 155 important subclass is Pane, the widget that is used to show most of
Chris@127 156 the data in the main window of Sonic Visualiser.
Chris@127 157
Chris@127 158 All a pane really does is contain a set of layers and get them to
Chris@127 159 render themselves (one on top of the other, with the topmost layer
Chris@127 160 being the one that is currently interacted with), cache the
Chris@127 161 results, negotiate user interaction with them, and so on. This is
Chris@127 162 generally fiddly, if not especially interesting. Panes are
Chris@127 163 strictly layout objects and are not stored in the Document class;
Chris@127 164 instead the MainWindow contains a PaneStack widget (the widget that
Chris@127 165 takes up most of Sonic Visualiser's main window) which contains a
Chris@127 166 set of panes stacked vertically.
Chris@127 167
Chris@127 168 Another View subclass is Overview, which is the widget that
Chris@127 169 contains that green waveform showing the entire file at the bottom
Chris@127 170 of the window.
Chris@127 171
Chris@127 172 */
Chris@127 173
Chris@0 174 static QMutex cleanupMutex;
Chris@0 175
Chris@0 176 static void
Chris@0 177 signalHandler(int /* signal */)
Chris@0 178 {
Chris@0 179 // Avoid this happening more than once across threads
Chris@0 180
Chris@0 181 cleanupMutex.lock();
Chris@0 182 std::cerr << "signalHandler: cleaning up and exiting" << std::endl;
Chris@0 183 TempDirectory::getInstance()->cleanup();
Chris@0 184 exit(0); // without releasing mutex
Chris@0 185 }
Chris@0 186
Chris@11 187 class SVApplication : public QApplication
Chris@11 188 {
Chris@11 189 public:
Chris@296 190 SVApplication(int &argc, char **argv) :
Chris@11 191 QApplication(argc, argv),
dan@365 192 m_readyForFiles(false),
dan@365 193 m_filepathQueue(QStringList()),
dan@365 194 m_mainWindow(0)
dan@365 195 { }
Chris@11 196 virtual ~SVApplication() { }
Chris@11 197
Chris@11 198 void setMainWindow(MainWindow *mw) { m_mainWindow = mw; }
Chris@11 199 void releaseMainWindow() { m_mainWindow = 0; }
Chris@11 200
Chris@11 201 virtual void commitData(QSessionManager &manager) {
Chris@11 202 if (!m_mainWindow) return;
Chris@11 203 bool mayAskUser = manager.allowsInteraction();
Chris@11 204 bool success = m_mainWindow->commitData(mayAskUser);
Chris@11 205 manager.release();
Chris@11 206 if (!success) manager.cancel();
Chris@11 207 }
Chris@11 208
dan@365 209 void handleFilepathArgument(QString path, QSplashScreen *splash);
dan@362 210
dan@365 211 bool m_readyForFiles;
dan@365 212 QStringList m_filepathQueue;
dan@362 213
Chris@11 214 protected:
Chris@11 215 MainWindow *m_mainWindow;
dan@365 216 bool event(QEvent *);
dan@365 217
Chris@11 218 };
Chris@11 219
Chris@0 220 int
Chris@0 221 main(int argc, char **argv)
Chris@0 222 {
Chris@376 223 svSystemSpecificInitialisation();
Chris@376 224
Chris@316 225 #ifdef Q_WS_X11
Chris@317 226 #if QT_VERSION >= 0x040500
Chris@342 227 // QApplication::setGraphicsSystem("raster");
Chris@316 228 #endif
Chris@316 229 #endif
Chris@316 230
Chris@11 231 SVApplication application(argc, argv);
Chris@0 232
Chris@46 233 QStringList args = application.arguments();
Chris@46 234
Chris@0 235 signal(SIGINT, signalHandler);
Chris@0 236 signal(SIGTERM, signalHandler);
Chris@0 237
Chris@0 238 #ifndef Q_WS_WIN32
Chris@0 239 signal(SIGHUP, signalHandler);
Chris@0 240 signal(SIGQUIT, signalHandler);
Chris@0 241 #endif
Chris@0 242
Chris@46 243 bool audioOutput = true;
Chris@70 244 bool oscSupport = true;
Chris@70 245
Chris@133 246 if (args.contains("--help") || args.contains("-h") || args.contains("-?")) {
Chris@70 247 std::cerr << QApplication::tr(
Chris@70 248 "\nSonic Visualiser is a program for viewing and exploring audio data\nfor semantic music analysis and annotation.\n\nUsage:\n\n %1 [--no-audio] [--no-osc] [<file> ...]\n\n --no-audio: Do not attempt to open an audio output device\n --no-osc: Do not provide an Open Sound Control port for remote control\n <file>: One or more Sonic Visualiser (.sv) and audio files may be provided.\n").arg(argv[0]).toStdString() << std::endl;
Chris@70 249 exit(2);
Chris@70 250 }
Chris@70 251
Chris@46 252 if (args.contains("--no-audio")) audioOutput = false;
Chris@70 253 if (args.contains("--no-osc")) oscSupport = false;
Chris@46 254
Chris@6 255 QApplication::setOrganizationName("sonic-visualiser");
Chris@5 256 QApplication::setOrganizationDomain("sonicvisualiser.org");
Chris@213 257 QApplication::setApplicationName(QApplication::tr("Sonic Visualiser"));
Chris@141 258
Chris@283 259 QSplashScreen *splash = 0;
Chris@231 260
Chris@231 261 QSettings settings;
Chris@237 262
Chris@237 263 settings.beginGroup("Preferences");
Chris@237 264 if (settings.value("show-splash", true).toBool()) {
Chris@331 265 QPixmap pixmap(":/icons/sv-splash.png");
Chris@331 266 QPainter painter;
Chris@331 267 painter.begin(&pixmap);
Chris@331 268 QString text = QString("v%1").arg(SV_VERSION);
Chris@331 269 painter.drawText
Chris@331 270 (pixmap.width() - painter.fontMetrics().width(text) - 10,
Chris@331 271 10 + painter.fontMetrics().ascent(),
Chris@331 272 text);
Chris@331 273 painter.end();
Chris@283 274 splash = new QSplashScreen(pixmap);
Chris@283 275 splash->show();
Chris@283 276 QTimer::singleShot(5000, splash, SLOT(hide()));
Chris@231 277 application.processEvents();
Chris@231 278 }
Chris@237 279 settings.endGroup();
Chris@231 280
Chris@278 281 settings.beginGroup("RDF");
Chris@278 282 if (!settings.contains("rdf-indices")) {
Chris@278 283 QStringList list;
Chris@278 284 list << "http://www.vamp-plugins.org/rdf/plugins/index.txt";
Chris@278 285 settings.setValue("rdf-indices", list);
Chris@278 286 }
Chris@278 287 settings.endGroup();
Chris@278 288
Chris@141 289 QIcon icon;
Chris@141 290 int sizes[] = { 16, 22, 24, 32, 48, 64, 128 };
Chris@141 291 for (int i = 0; i < sizeof(sizes)/sizeof(sizes[0]); ++i) {
Chris@141 292 icon.addFile(QString(":icons/sv-%1x%2.png").arg(sizes[i]).arg(sizes[i]));
Chris@141 293 }
Chris@141 294 QApplication::setWindowIcon(icon);
Chris@7 295
Chris@0 296 QString language = QLocale::system().name();
Chris@0 297
Chris@0 298 QTranslator qtTranslator;
Chris@0 299 QString qtTrName = QString("qt_%1").arg(language);
Chris@253 300 std::cerr << "Loading " << qtTrName.toStdString() << "... ";
Chris@165 301 bool success = false;
Chris@165 302 if (!(success = qtTranslator.load(qtTrName))) {
Chris@165 303 QString qtDir = getenv("QTDIR");
Chris@165 304 if (qtDir != "") {
Chris@165 305 success = qtTranslator.load
Chris@165 306 (qtTrName, QDir(qtDir).filePath("translations"));
Chris@165 307 }
Chris@165 308 }
Chris@165 309 if (!success) {
Chris@253 310 std::cerr << "Failed\nFailed to load Qt translation for locale" << std::endl;
Chris@253 311 } else {
Chris@253 312 std::cerr << "Done" << std::endl;
Chris@165 313 }
Chris@0 314 application.installTranslator(&qtTranslator);
Chris@0 315
Chris@0 316 QTranslator svTranslator;
Chris@0 317 QString svTrName = QString("sonic-visualiser_%1").arg(language);
Chris@253 318 std::cerr << "Loading " << svTrName.toStdString() << "... ";
Chris@0 319 svTranslator.load(svTrName, ":i18n");
Chris@253 320 std::cerr << "Done" << std::endl;
Chris@0 321 application.installTranslator(&svTranslator);
Chris@0 322
Chris@187 323 StoreStartupLocale();
Chris@187 324
Chris@0 325 // Permit size_t and PropertyName to be used as args in queued signal calls
Chris@0 326 qRegisterMetaType<size_t>("size_t");
Chris@0 327 qRegisterMetaType<PropertyContainer::PropertyName>("PropertyContainer::PropertyName");
Chris@0 328
dan@365 329 MainWindow *gui = new MainWindow(audioOutput, oscSupport);
Chris@222 330 application.setMainWindow(gui);
Chris@283 331 if (splash) {
Chris@283 332 QObject::connect(gui, SIGNAL(hideSplash()), splash, SLOT(hide()));
Chris@283 333 }
Chris@0 334
Chris@0 335 QDesktopWidget *desktop = QApplication::desktop();
Chris@0 336 QRect available = desktop->availableGeometry();
Chris@0 337
Chris@378 338 int width = (available.width() * 2) / 3;
Chris@0 339 int height = available.height() / 2;
Chris@378 340 if (height < 450) height = (available.height() * 2) / 3;
Chris@0 341 if (width > height * 2) width = height * 2;
Chris@0 342
Chris@237 343 settings.beginGroup("MainWindow");
Chris@5 344 QSize size = settings.value("size", QSize(width, height)).toSize();
Chris@319 345 gui->resizeConstrained(size);
Chris@5 346 if (settings.contains("position")) {
Chris@297 347 QRect prevrect(settings.value("position").toPoint(), size);
Chris@297 348 if (!(available & prevrect).isEmpty()) {
Chris@297 349 gui->move(prevrect.topLeft());
Chris@297 350 }
Chris@5 351 }
Chris@5 352 settings.endGroup();
Chris@5 353
Chris@222 354 gui->show();
Chris@64 355
Chris@118 356 // The MainWindow class seems to have trouble dealing with this if
Chris@118 357 // it tries to adapt to this preference before the constructor is
Chris@118 358 // complete. As a lazy hack, apply it explicitly from here
Chris@222 359 gui->preferenceChanged("Property Box Layout");
Chris@118 360
dan@365 361 application.m_readyForFiles = true; // Ready to receive files from e.g. Apple Events
dan@365 362
Chris@54 363 for (QStringList::iterator i = args.begin(); i != args.end(); ++i) {
Chris@54 364
Chris@54 365 if (i == args.begin()) continue;
Chris@54 366 if (i->startsWith('-')) continue;
Chris@54 367
Chris@54 368 QString path = *i;
Chris@54 369
dan@365 370 application.handleFilepathArgument(path, splash);
dan@365 371 }
dan@365 372
dan@365 373 for (QStringList::iterator i = application.m_filepathQueue.begin(); i != application.m_filepathQueue.end(); ++i) {
dan@365 374 QString path = *i;
dan@365 375 application.handleFilepathArgument(path, splash);
Chris@180 376 }
Chris@180 377
Chris@215 378 #ifdef HAVE_FFTW3F
Chris@215 379 settings.beginGroup("FFTWisdom");
Chris@215 380 QString wisdom = settings.value("wisdom").toString();
Chris@215 381 if (wisdom != "") {
Chris@215 382 fftwf_import_wisdom_from_string(wisdom.toLocal8Bit().data());
Chris@215 383 }
Chris@267 384 #ifdef HAVE_FFTW3
Chris@267 385 wisdom = settings.value("wisdom_d").toString();
Chris@267 386 if (wisdom != "") {
Chris@267 387 fftw_import_wisdom_from_string(wisdom.toLocal8Bit().data());
Chris@267 388 }
Chris@267 389 #endif
Chris@215 390 settings.endGroup();
Chris@215 391 #endif
Chris@180 392
Chris@283 393 if (splash) splash->finish(gui);
Chris@283 394 delete splash;
Chris@180 395
Chris@123 396 /*
Chris@120 397 TipDialog tipDialog;
Chris@120 398 if (tipDialog.isOK()) {
Chris@120 399 tipDialog.exec();
Chris@120 400 }
Chris@123 401 */
Chris@0 402 int rv = application.exec();
Chris@0 403
Chris@298 404 gui->hide();
Chris@298 405
Chris@0 406 cleanupMutex.lock();
Chris@332 407
Chris@315 408 TransformFactory::deleteInstance();
Chris@0 409 TempDirectory::getInstance()->cleanup();
Chris@11 410 application.releaseMainWindow();
Chris@5 411
Chris@215 412 #ifdef HAVE_FFTW3F
Chris@267 413 settings.beginGroup("FFTWisdom");
Chris@215 414 char *cwisdom = fftwf_export_wisdom_to_string();
Chris@215 415 if (cwisdom) {
Chris@215 416 settings.setValue("wisdom", cwisdom);
Chris@332 417 free(cwisdom);
Chris@215 418 }
Chris@267 419 #ifdef HAVE_FFTW3
Chris@267 420 cwisdom = fftw_export_wisdom_to_string();
Chris@267 421 if (cwisdom) {
Chris@267 422 settings.setValue("wisdom_d", cwisdom);
Chris@332 423 free(cwisdom);
Chris@267 424 }
Chris@267 425 #endif
Chris@267 426 settings.endGroup();
Chris@215 427 #endif
Chris@215 428
Chris@222 429 delete gui;
Chris@222 430
Chris@0 431 return rv;
Chris@0 432 }
dan@365 433
dan@365 434 bool SVApplication::event(QEvent *event){
dan@365 435 QString thePath;
dan@365 436 switch (event->type()) {
dan@365 437 case QEvent::FileOpen:
dan@365 438 thePath = static_cast<QFileOpenEvent *>(event)->file();
dan@365 439 if(m_readyForFiles)
dan@365 440 handleFilepathArgument(thePath, NULL);
dan@365 441 else
dan@365 442 m_filepathQueue.append(thePath);
dan@365 443 return true;
dan@365 444 default:
dan@365 445 return QApplication::event(event);
dan@365 446 }
dan@365 447 }
dan@365 448
dan@365 449 /** Application-global handler for filepaths passed in, e.g. as command-line arguments or apple events */
dan@365 450 void SVApplication::handleFilepathArgument(QString path, QSplashScreen *splash){
dan@365 451 static bool haveSession = false;
dan@365 452 static bool haveMainModel = false;
dan@365 453 static bool havePriorCommandLineModel = false;
dan@365 454
dan@365 455 MainWindow::FileOpenStatus status = MainWindow::FileOpenFailed;
dan@365 456
dan@365 457 if (path.endsWith("sv")) {
dan@365 458 if (!haveSession) {
dan@365 459 status = m_mainWindow->openSessionFile(path);
dan@365 460 if (status == MainWindow::FileOpenSucceeded) {
dan@365 461 haveSession = true;
dan@365 462 haveMainModel = true;
dan@365 463 }
dan@365 464 } else {
dan@365 465 std::cerr << "WARNING: Ignoring additional session file argument \"" << path.toStdString() << "\"" << std::endl;
dan@365 466 status = MainWindow::FileOpenSucceeded;
dan@365 467 }
dan@365 468 }
dan@365 469 if (status != MainWindow::FileOpenSucceeded) {
dan@365 470 if (!haveMainModel) {
Chris@417 471 status = m_mainWindow->open(path, MainWindow::ReplaceSession);
dan@365 472 if (status == MainWindow::FileOpenSucceeded) {
dan@365 473 haveMainModel = true;
dan@365 474 }
dan@365 475 } else {
dan@365 476 if (haveSession && !havePriorCommandLineModel) {
dan@365 477 status = m_mainWindow->open(path, MainWindow::AskUser);
dan@365 478 if (status == MainWindow::FileOpenSucceeded) {
dan@365 479 havePriorCommandLineModel = true;
dan@365 480 }
dan@365 481 } else {
dan@365 482 status = m_mainWindow->open(path, MainWindow::CreateAdditionalModel);
dan@365 483 }
dan@365 484 }
dan@365 485 }
dan@365 486 if (status == MainWindow::FileOpenFailed) {
dan@365 487 if (splash) splash->hide();
dan@365 488 QMessageBox::critical
dan@365 489 (m_mainWindow, QMessageBox::tr("Failed to open file"),
dan@365 490 QMessageBox::tr("File or URL \"%1\" could not be opened").arg(path));
dan@365 491 } else if (status == MainWindow::FileOpenWrongMode) {
dan@365 492 if (splash) splash->hide();
dan@365 493 QMessageBox::critical
dan@365 494 (m_mainWindow, QMessageBox::tr("Failed to open file"),
dan@365 495 QMessageBox::tr("<b>Audio required</b><p>Please load at least one audio file before importing annotation data"));
dan@365 496 }
dan@365 497 }