git.sur5r.net Git - minitube/blob - src/MainWindow.cpp

   1 #include "MainWindow.h"
   2 #include "spacer.h"
   3 #include "Constants.h"
   4 #include "iconloader/qticonloader.h"
   5 #include "global.h"
   6
   7 MainWindow::MainWindow() {
   8
   9     m_fullscreen = false;
  10     mediaObject = 0;
  11     audioOutput = 0;
  12
  13     // views mechanism
  14     history = new QStack<QWidget*>();
  15     views = new QStackedWidget(this);
  16
  17     // views
  18     searchView = new SearchView(this);
  19     connect(searchView, SIGNAL(search(QString)), this, SLOT(showMedia(QString)));
  20     views->addWidget(searchView);
  21     mediaView = new MediaView(this);
  22     views->addWidget(mediaView);
  23
  24     // lazy initialized views
  25     aboutView = 0;
  26     settingsView = 0;
  27
  28     toolbarSearch = new SearchLineEdit(this);
  29     toolbarSearch->setFont(qApp->font());
  30     // toolbarSearch->setMinimumWidth(200);
  31     connect(toolbarSearch, SIGNAL(search(const QString&)), searchView, SLOT(watch(const QString&)));
  32
  33     // build ui
  34     createActions();
  35     createMenus();
  36     createToolBars();
  37     createStatusBar();
  38
  39     // remove that useless menu/toolbar context menu
  40     this->setContextMenuPolicy(Qt::NoContextMenu);
  41
  42     // mediaView init stuff thats needs actions
  43     mediaView->initialize();
  44
  45     // restore window position
  46     readSettings();
  47
  48     // show the initial view
  49     showWidget(searchView);
  50
  51     setCentralWidget(views);
  52
  53     // top dock widget
  54     /*
  55     QLabel* message = new QLabel(this);
  56     message->setText(QString("A new version of %1 is available.").arg(Constants::APP_NAME));
  57     message->setMargin(10);
  58     message->setAlignment(Qt::AlignCenter);
  59     QPalette palette;
  60     message->setBackgroundRole(QPalette::ToolTipBase);
  61     message->setForegroundRole(QPalette::ToolTipText);
  62     message->setAutoFillBackground(true);
  63     QDockWidget *dockWidget = new QDockWidget("", this, 0);
  64     dockWidget->setTitleBarWidget(0);
  65     dockWidget->setWidget(message);
  66     dockWidget->setFeatures(QDockWidget::DockWidgetClosable);
  67     addDockWidget(Qt::TopDockWidgetArea, dockWidget);
  68     */
  69
  70 }
  71
  72 MainWindow::~MainWindow() {
  73     delete history;
  74 }
  75
  76 void MainWindow::createActions() {
  77
  78     QMap<QString, QAction*> *actions = The::globalActions();
  79
  80     /*
  81     settingsAct = new QAction(tr("&Preferences..."), this);
  82     settingsAct->setStatusTip(tr(QString("Configure ").append(Constants::APP_NAME).toUtf8()));
  83     // Mac integration
  84     settingsAct->setMenuRole(QAction::PreferencesRole);
  85     actions->insert("settings", settingsAct);
  86     connect(settingsAct, SIGNAL(triggered()), this, SLOT(showSettings()));
  87     */
  88
  89     backAct = new QAction(QIcon(":/images/go-previous.png"), tr("&Back"), this);
  90     backAct->setEnabled(false);
  91     backAct->setShortcut(QKeySequence(Qt::ALT + Qt::Key_Left));
  92     backAct->setStatusTip(tr("Go to the previous view"));
  93     actions->insert("back", backAct);
  94     connect(backAct, SIGNAL(triggered()), this, SLOT(goBack()));
  95
  96     stopAct = new QAction(QtIconLoader::icon("media-stop", QIcon(":/images/stop.png")), tr("&Stop"), this);
  97     stopAct->setStatusTip(tr("Stop playback and go back to the search view"));
  98     stopAct->setShortcut(QKeySequence(Qt::Key_Escape));
  99     actions->insert("stop", stopAct);
 100     connect(stopAct, SIGNAL(triggered()), this, SLOT(stop()));
 101
 102     skipAct = new QAction(QtIconLoader::icon("media-skip-forward", QIcon(":/images/skip.png")), tr("S&kip"), this);
 103     skipAct->setStatusTip(tr("Skip to the next video"));
 104     skipAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Right));
 105     skipAct->setEnabled(false);
 106     actions->insert("skip", skipAct);
 107     connect(skipAct, SIGNAL(triggered()), mediaView, SLOT(skip()));
 108
 109     pauseAct = new QAction(QtIconLoader::icon("media-pause", QIcon(":/images/pause.png")), tr("&Pause"), this);
 110     pauseAct->setStatusTip(tr("Pause playback"));
 111     pauseAct->setShortcut(QKeySequence(Qt::Key_Space));
 112     pauseAct->setEnabled(false);
 113     actions->insert("pause", pauseAct);
 114     connect(pauseAct, SIGNAL(triggered()), mediaView, SLOT(pause()));
 115
 116     fullscreenAct = new QAction(QtIconLoader::icon("view-fullscreen", QIcon(":/images/view-fullscreen.png")), tr("&Full Screen"), this);
 117     fullscreenAct->setStatusTip(tr("Go full screen"));
 118     fullscreenAct->setShortcut(QKeySequence(Qt::ALT + Qt::Key_Return));
 119     fullscreenAct->setShortcutContext(Qt::ApplicationShortcut);
 120     actions->insert("fullscreen", fullscreenAct);
 121     connect(fullscreenAct, SIGNAL(triggered()), this, SLOT(fullscreen()));
 122
 123     compactViewAct = new QAction(tr("&Compact mode"), this);
 124     compactViewAct->setStatusTip(tr("Hide the playlist and the toolbar"));
 125     compactViewAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Return));
 126     compactViewAct->setCheckable(true);
 127     compactViewAct->setChecked(false);
 128     compactViewAct->setEnabled(false);
 129     actions->insert("compactView", compactViewAct);
 130     connect(compactViewAct, SIGNAL(toggled(bool)), this, SLOT(compactView(bool)));
 131
 132     /*
 133     // icon should be document-save but it is ugly
 134     downloadAct = new QAction(QtIconLoader::icon("go-down", QIcon(":/images/go-down.png")), tr("&Download"), this);
 135     downloadAct->setStatusTip(tr("Download this video"));
 136     downloadAct->setShortcut(tr("Ctrl+S"));
 137     actions.insert("download", downloadAct);
 138     connect(downloadAct, SIGNAL(triggered()), this, SLOT(download()));
 139     */
 140
 141     webPageAct = new QAction(QtIconLoader::icon("internet-web-browser", QIcon(":/images/internet-web-browser.png")), tr("&YouTube"), this);
 142     webPageAct->setStatusTip(tr("Open the YouTube video page"));
 143     webPageAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Y));
 144     webPageAct->setEnabled(false);
 145     actions->insert("webpage", webPageAct);
 146     connect(webPageAct, SIGNAL(triggered()), mediaView, SLOT(openWebPage()));
 147
 148     removeAct = new QAction(tr("&Remove"), this);
 149     removeAct->setStatusTip(tr("Remove the selected videos from the playlist"));
 150     QList<QKeySequence> shortcuts;
 151     shortcuts << QKeySequence("Del") << QKeySequence("Backspace");
 152     removeAct->setShortcuts(shortcuts);
 153     removeAct->setEnabled(false);
 154     actions->insert("remove", removeAct);
 155     connect(removeAct, SIGNAL(triggered()), mediaView, SLOT(removeSelected()));
 156
 157     moveUpAct = new QAction(QtIconLoader::icon("go-up", QIcon(":/images/go-up.png")), tr("Move &Up"), this);
 158     moveUpAct->setStatusTip(tr("Move up the selected videos in the playlist"));
 159     moveUpAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Up));
 160     moveUpAct->setEnabled(false);
 161     actions->insert("moveUp", moveUpAct);
 162     connect(moveUpAct, SIGNAL(triggered()), mediaView, SLOT(moveUpSelected()));
 163
 164     moveDownAct = new QAction(QtIconLoader::icon("go-down", QIcon(":/images/go-down.png")), tr("Move &Down"), this);
 165     moveDownAct->setStatusTip(tr("Move down the selected videos in the playlist"));
 166     moveDownAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Down));
 167     moveDownAct->setEnabled(false);
 168     actions->insert("moveDown", moveDownAct);
 169     connect(moveDownAct, SIGNAL(triggered()), mediaView, SLOT(moveDownSelected()));
 170
 171     quitAct = new QAction(tr("&Quit"), this);
 172     quitAct->setMenuRole(QAction::QuitRole);
 173     quitAct->setShortcut(tr("Ctrl+Q"));
 174     quitAct->setStatusTip(tr("Bye"));
 175     actions->insert("quit", quitAct);
 176     connect(quitAct, SIGNAL(triggered()), this, SLOT(quit()));
 177
 178     siteAct = new QAction(tr("&Website"), this);
 179     siteAct->setShortcut(QKeySequence::HelpContents);
 180     siteAct->setStatusTip(tr("%1 on the Web").arg(Constants::APP_NAME));
 181     actions->insert("site", siteAct);
 182     connect(siteAct, SIGNAL(triggered()), this, SLOT(visitSite()));
 183
 184     donateAct = new QAction(tr("&Donate via PayPal"), this);
 185     donateAct->setStatusTip(tr("Please support the continued development of %1").arg(Constants::APP_NAME));
 186     actions->insert("donate", donateAct);
 187     connect(donateAct, SIGNAL(triggered()), this, SLOT(donate()));
 188
 189     aboutAct = new QAction(tr("&About"), this);
 190     aboutAct->setMenuRole(QAction::AboutRole);
 191     aboutAct->setStatusTip(tr("Info about %1").arg(Constants::APP_NAME));
 192     actions->insert("about", aboutAct);
 193     connect(aboutAct, SIGNAL(triggered()), this, SLOT(about()));
 194
 195     searchFocusAct = new QAction(tr("&Search"), this);
 196     searchFocusAct->setShortcut(QKeySequence::Find);
 197     actions->insert("search", searchFocusAct);
 198     connect(searchFocusAct, SIGNAL(triggered()), this, SLOT(searchFocus()));
 199     addAction(searchFocusAct);
 200
 201     // common action properties
 202     foreach (QAction *action, actions->values()) {
 203
 204         // add actions to the MainWindow so that they work
 205         // when the menu is hidden
 206         addAction(action);
 207
 208         // never autorepeat.
 209         // unexperienced users tend to keep keys pressed for a "long" time
 210         action->setAutoRepeat(false);
 211         action->setToolTip(action->statusTip());
 212
 213         // make the actions work when video is fullscreen
 214         action->setShortcutContext(Qt::ApplicationShortcut);
 215
 216 #ifdef Q_WS_MAC
 217         // OSX does not use icons in menus
 218         action->setIconVisibleInMenu(false);
 219 #endif
 220
 221     }
 222
 223 }
 224
 225 void MainWindow::createMenus() {
 226
 227     QMap<QString, QMenu*> *menus = The::globalMenus();
 228
 229     fileMenu = menuBar()->addMenu(tr("&Application"));
 230     // menus->insert("file", fileMenu);
 231     /*
 232     fileMenu->addAction(settingsAct);
 233     fileMenu->addSeparator();
 234     */
 235     fileMenu->addAction(quitAct);
 236
 237     playlistMenu = menuBar()->addMenu(tr("&Playlist"));
 238     menus->insert("playlist", playlistMenu);
 239     playlistMenu->addAction(removeAct);
 240     playlistMenu->addSeparator();
 241     playlistMenu->addAction(moveUpAct);
 242     playlistMenu->addAction(moveDownAct);
 243
 244     viewMenu = menuBar()->addMenu(tr("&Video"));
 245     menus->insert("video", viewMenu);
 246     // viewMenu->addAction(backAct);
 247     viewMenu->addAction(stopAct);
 248     viewMenu->addAction(pauseAct);
 249     viewMenu->addAction(skipAct);
 250     viewMenu->addSeparator();
 251     viewMenu->addAction(webPageAct);
 252     viewMenu->addSeparator();
 253     viewMenu->addAction(compactViewAct);
 254     viewMenu->addAction(fullscreenAct);
 255
 256     helpMenu = menuBar()->addMenu(tr("&Help"));
 257     helpMenu->addAction(siteAct);
 258     helpMenu->addAction(donateAct);
 259     helpMenu->addAction(aboutAct);
 260 }
 261
 262 void MainWindow::createToolBars() {
 263
 264     setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
 265
 266     mainToolBar = new QToolBar(this);
 267     mainToolBar->setFloatable(false);
 268     mainToolBar->setMovable(false);
 269
 270     QFont smallerFont;
 271     smallerFont.setPointSize(smallerFont.pointSize()*.85);
 272     mainToolBar->setFont(smallerFont);
 273
 274     mainToolBar->setIconSize(QSize(32,32));
 275     // mainToolBar->addAction(backAct);
 276     mainToolBar->addAction(stopAct);
 277     mainToolBar->addAction(pauseAct);
 278     mainToolBar->addAction(skipAct);
 279     mainToolBar->addAction(fullscreenAct);
 280
 281     seekSlider = new Phonon::SeekSlider(this);
 282     seekSlider->setIconVisible(false);
 283     Spacer *seekSliderSpacer = new Spacer(mainToolBar, seekSlider);
 284     seekSliderSpacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 285     mainToolBar->addWidget(seekSliderSpacer);
 286
 287     volumeSlider = new Phonon::VolumeSlider(this);
 288     // this makes the volume slider smaller
 289     volumeSlider->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
 290     mainToolBar->addWidget(new Spacer(mainToolBar, volumeSlider));
 291
 292     mainToolBar->addWidget(new Spacer(mainToolBar, toolbarSearch));
 293
 294     addToolBar(mainToolBar);
 295 }
 296
 297 void MainWindow::createStatusBar() {
 298     currentTime = new QLabel(this);
 299     statusBar()->addPermanentWidget(currentTime);
 300
 301     totalTime = new QLabel(this);
 302     statusBar()->addPermanentWidget(totalTime);
 303
 304     // remove ugly borders on OSX
 305     statusBar()->setStyleSheet("::item{border:0 solid}");
 306
 307     statusBar()->show();
 308 }
 309
 310 void MainWindow::readSettings() {
 311     QSettings settings;
 312     restoreGeometry(settings.value("geometry").toByteArray());
 313 }
 314
 315 void MainWindow::writeSettings() {
 316     // do not save geometry when in full screen
 317     if (m_fullscreen)
 318         return;
 319     QSettings settings;
 320     settings.setValue("geometry", saveGeometry());
 321 }
 322
 323 void MainWindow::goBack() {
 324     if ( history->size() > 1 ) {
 325         history->pop();
 326         QWidget *widget = history->pop();
 327         showWidget(widget);
 328     }
 329 }
 330
 331 void MainWindow::showWidget ( QWidget* widget ) {
 332
 333     setUpdatesEnabled(false);
 334
 335     // call hide method on the current view
 336     View* oldView = dynamic_cast<View *> (views->currentWidget());
 337     if (oldView != NULL) {
 338         oldView->disappear();
 339     }
 340
 341     // call show method on the new view
 342     View* newView = dynamic_cast<View *> (widget);
 343     if (newView != NULL) {
 344         newView->appear();
 345         QMap<QString,QVariant> metadata = newView->metadata();
 346         QString windowTitle = metadata.value("title").toString();
 347         if (windowTitle.length())
 348             windowTitle += " - ";
 349         setWindowTitle(windowTitle + Constants::APP_NAME);
 350         statusBar()->showMessage((metadata.value("description").toString()));
 351
 352     }
 353
 354     // backAct->setEnabled(history->size() > 1);
 355     // settingsAct->setEnabled(widget != settingsView);
 356     stopAct->setEnabled(widget == mediaView);
 357     fullscreenAct->setEnabled(widget == mediaView);
 358     compactViewAct->setEnabled(widget == mediaView);
 359     webPageAct->setEnabled(widget == mediaView);
 360     aboutAct->setEnabled(widget != aboutView);
 361
 362     // cool toolbar on the Mac
 363     // setUnifiedTitleAndToolBarOnMac(widget == mediaView);
 364
 365     // toolbar only for the mediaView
 366     mainToolBar->setVisible(widget == mediaView && !compactViewAct->isChecked());
 367
 368     history->push(widget);
 369     fadeInWidget(views->currentWidget(), widget);
 370     views->setCurrentWidget(widget);
 371
 372     setUpdatesEnabled(true);
 373 }
 374
 375 void MainWindow::fadeInWidget(QWidget *oldWidget, QWidget *newWidget) {
 376     if (faderWidget) faderWidget->close();
 377     if (!oldWidget || !newWidget || oldWidget == mediaView || newWidget == mediaView) return;
 378     QPixmap frozenView = QPixmap::grabWidget(oldWidget);
 379     faderWidget = new FaderWidget(newWidget);
 380     faderWidget->start(frozenView);
 381 }
 382
 383 void MainWindow::about() {
 384     if (!aboutView) {
 385         aboutView = new AboutView(this);
 386         views->addWidget(aboutView);
 387     }
 388     showWidget(aboutView);
 389 }
 390
 391 void MainWindow::visitSite() {
 392     QUrl url(Constants::WEBSITE);
 393     statusBar()->showMessage(QString(tr("Opening %1").arg(url.toString())));
 394     QDesktopServices::openUrl(url);
 395 }
 396
 397 void MainWindow::donate() {
 398     QUrl url(QString(Constants::WEBSITE) + "#donate");
 399     statusBar()->showMessage(QString(tr("Opening %1").arg(url.toString())));
 400     QDesktopServices::openUrl(url);
 401 }
 402
 403 void MainWindow::quit() {
 404     writeSettings();
 405     qApp->quit();
 406 }
 407
 408 void MainWindow::closeEvent(QCloseEvent *event) {
 409     quit();
 410     QWidget::closeEvent(event);
 411 }
 412
 413 void MainWindow::showSettings() {
 414     if (!settingsView) {
 415         settingsView = new SettingsView(this);
 416         views->addWidget(settingsView);
 417     }
 418     showWidget(settingsView);
 419 }
 420
 421 void MainWindow::showSearch() {
 422     showWidget(searchView);
 423     currentTime->clear();
 424     totalTime->clear();
 425 }
 426
 427 void MainWindow::showMedia(QString query) {
 428     initPhonon();
 429     mediaView->setMediaObject(mediaObject);
 430     SearchParams *searchParams = new SearchParams();
 431     searchParams->setKeywords(query);
 432     mediaView->search(searchParams);
 433     showWidget(mediaView);
 434 }
 435
 436 void MainWindow::stateChanged(Phonon::State newState, Phonon::State /* oldState */) {
 437
 438     // qDebug() << "Phonon state: " << newState;
 439
 440     switch (newState) {
 441
 442          case Phonon::ErrorState:
 443         if (mediaObject->errorType() == Phonon::FatalError) {
 444             statusBar()->showMessage(tr("Fatal error: %1").arg(mediaObject->errorString()));
 445         } else {
 446             statusBar()->showMessage(tr("Error: %1").arg(mediaObject->errorString()));
 447         }
 448         break;
 449
 450          case Phonon::PlayingState:
 451         pauseAct->setEnabled(true);
 452         pauseAct->setIcon(QtIconLoader::icon("media-pause", QIcon(":/images/pause.png")));
 453         pauseAct->setText(tr("&Pause"));
 454         pauseAct->setStatusTip(tr("Pause playback"));
 455         skipAct->setEnabled(true);
 456         break;
 457
 458          case Phonon::StoppedState:
 459         pauseAct->setEnabled(false);
 460         skipAct->setEnabled(false);
 461         break;
 462
 463          case Phonon::PausedState:
 464         skipAct->setEnabled(true);
 465         pauseAct->setEnabled(true);
 466         pauseAct->setIcon(QtIconLoader::icon("media-play", QIcon(":/images/play.png")));
 467         pauseAct->setText(tr("&Play"));
 468         pauseAct->setStatusTip(tr("Resume playback"));
 469         break;
 470
 471          case Phonon::BufferingState:
 472          case Phonon::LoadingState:
 473         skipAct->setEnabled(true);
 474         pauseAct->setEnabled(false);
 475         currentTime->clear();
 476         totalTime->clear();
 477         break;
 478
 479          default:
 480         ;
 481     }
 482 }
 483
 484 void MainWindow::stop() {
 485     mediaView->stop();
 486     showSearch();
 487 }
 488
 489 void MainWindow::fullscreen() {
 490
 491     if (m_fullscreen) {
 492         fullscreenAct->setShortcut(QKeySequence(Qt::ALT + Qt::Key_Return));
 493         fullscreenAct->setText(tr("&Full Screen"));
 494         stopAct->setShortcut(QKeySequence(Qt::Key_Escape));
 495         if (m_maximized) showMaximized();
 496         else showNormal();
 497     } else {
 498         stopAct->setShortcut(QString(""));
 499         QList<QKeySequence> shortcuts;
 500         // for some reason it is important that ESC comes first
 501         shortcuts << QKeySequence(Qt::Key_Escape) << QKeySequence(Qt::ALT + Qt::Key_Return);
 502         fullscreenAct->setShortcuts(shortcuts);
 503         fullscreenAct->setText(tr("Exit &Full Screen"));
 504         m_maximized = isMaximized();
 505
 506         // save geometry now, if the user quits when in full screen
 507         // geometry won't be saved
 508         writeSettings();
 509
 510         showFullScreen();
 511     }
 512
 513     // No compact view action when in full screen
 514     compactViewAct->setVisible(m_fullscreen);
 515
 516     // Hide anything but the video
 517     mediaView->setPlaylistVisible(m_fullscreen);
 518     mainToolBar->setVisible(m_fullscreen);
 519     statusBar()->setVisible(m_fullscreen);
 520     menuBar()->setVisible(m_fullscreen);
 521
 522     m_fullscreen = !m_fullscreen;
 523
 524 }
 525
 526 void MainWindow::compactView(bool enable) {
 527
 528     // setUnifiedTitleAndToolBarOnMac(!enable);
 529     mediaView->setPlaylistVisible(!enable);
 530     mainToolBar->setVisible(!enable);
 531     statusBar()->setVisible(!enable);
 532
 533     // ensure focus does not end up to the search box
 534     // as it would steal the Space shortcut
 535     toolbarSearch->setEnabled(!enable);
 536
 537     if (enable) {
 538         stopAct->setShortcut(QString(""));
 539         QList<QKeySequence> shortcuts;
 540         // for some reason it is important that ESC comes first
 541         shortcuts << QKeySequence(Qt::CTRL + Qt::Key_Return) << QKeySequence(Qt::Key_Escape);
 542         compactViewAct->setShortcuts(shortcuts);
 543     } else {
 544         compactViewAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Return));
 545         stopAct->setShortcut(QKeySequence(Qt::Key_Escape));
 546     }
 547
 548 }
 549
 550 void MainWindow::searchFocus() {
 551     QWidget *view = views->currentWidget();
 552     if (view == mediaView) {
 553         toolbarSearch->setFocus();
 554     }
 555 }
 556
 557 void MainWindow::initPhonon() {
 558     // Phonon initialization
 559     if (mediaObject) delete mediaObject;
 560     if (audioOutput) delete audioOutput;
 561     mediaObject = new Phonon::MediaObject(this);
 562     mediaObject->setTickInterval(100);
 563     connect(mediaObject, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
 564             this, SLOT(stateChanged(Phonon::State, Phonon::State)));
 565     connect(mediaObject, SIGNAL(tick(qint64)), this, SLOT(tick(qint64)));
 566     connect(mediaObject, SIGNAL(totalTimeChanged(qint64)), this, SLOT(totalTimeChanged(qint64)));
 567     seekSlider->setMediaObject(mediaObject);
 568     audioOutput = new Phonon::AudioOutput(Phonon::VideoCategory, this);
 569     volumeSlider->setAudioOutput(audioOutput);
 570     Phonon::createPath(mediaObject, audioOutput);
 571 }
 572
 573 void MainWindow::tick(qint64 time) {
 574     QTime displayTime(0, (time / 60000) % 60, (time / 1000) % 60);
 575     currentTime->setText(displayTime.toString("mm:ss"));
 576     // qDebug() << "currentTime" << time << displayTime.toString("mm:ss");
 577 }
 578
 579 void MainWindow::totalTimeChanged(qint64 time) {
 580     if (time <= 0) {
 581         totalTime->clear();
 582         return;
 583     }
 584     QTime displayTime(0, (time / 60000) % 60, (time / 1000) % 60);
 585     totalTime->setText(displayTime.toString("/ mm:ss"));
 586     // qDebug() << "totalTime" << time << displayTime.toString("mm:ss");
 587 }
 588