git.sesse.net Git - kdenlive/blob - src/mainwindow.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   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                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21
  22 #include <QTextStream>
  23 #include <QTimer>
  24 #include <QAction>
  25 #include <QtTest>
  26 #include <QtCore>
  27
  28 #include <KApplication>
  29 #include <KAction>
  30 #include <KLocale>
  31 #include <KActionCollection>
  32 #include <KStandardAction>
  33 #include <KFileDialog>
  34 #include <KMessageBox>
  35 #include <KDebug>
  36 #include <KIO/NetAccess>
  37 #include <KSaveFile>
  38 #include <KRuler>
  39 #include <KConfigDialog>
  40 #include <KXMLGUIFactory>
  41 #include <KStatusBar>
  42 #include <kstandarddirs.h>
  43 #include <KUrlRequesterDialog>
  44
  45 #include <mlt++/Mlt.h>
  46
  47 #include "mainwindow.h"
  48 #include "kdenlivesettings.h"
  49 #include "kdenlivesettingsdialog.h"
  50 #include "initeffects.h"
  51 #include "profilesdialog.h"
  52 #include "projectsettings.h"
  53 #include "events.h"
  54
  55 #define ID_STATUS_MSG 1
  56 #define ID_EDITMODE_MSG 2
  57 #define ID_TIMELINE_MSG 3
  58 #define ID_TIMELINE_POS 4
  59 #define ID_TIMELINE_FORMAT 5
  60
  61 MainWindow::MainWindow(QWidget *parent)
  62         : KXmlGuiWindow(parent),
  63         fileName(QString()), m_activeDocument(NULL), m_commandStack(NULL) {
  64     parseProfiles();
  65     m_timelineArea = new KTabWidget(this);
  66     m_timelineArea->setHoverCloseButton(true);
  67     m_timelineArea->setTabReorderingEnabled(true);
  68     m_timelineArea->setTabBarHidden(true);
  69     connect(m_timelineArea, SIGNAL(currentChanged(int)), this, SLOT(activateDocument()));
  70
  71     initEffects::parseEffectFiles(&m_audioEffects, &m_videoEffects);
  72     m_monitorManager = new MonitorManager();
  73
  74     projectListDock = new QDockWidget(i18n("Project Tree"), this);
  75     projectListDock->setObjectName("project_tree");
  76     m_projectList = new ProjectList(this);
  77     projectListDock->setWidget(m_projectList);
  78     addDockWidget(Qt::TopDockWidgetArea, projectListDock);
  79
  80     effectListDock = new QDockWidget(i18n("Effect List"), this);
  81     effectListDock->setObjectName("effect_list");
  82     m_effectList = new EffectsListView(&m_audioEffects, &m_videoEffects, &m_customEffects);
  83
  84     //m_effectList = new KListWidget(this);
  85     effectListDock->setWidget(m_effectList);
  86     addDockWidget(Qt::TopDockWidgetArea, effectListDock);
  87
  88     effectStackDock = new QDockWidget(i18n("Effect Stack"), this);
  89     effectStackDock->setObjectName("effect_stack");
  90     effectStack = new EffectStackView(&m_audioEffects, &m_videoEffects, &m_customEffects, this);
  91     effectStackDock->setWidget(effectStack);
  92     addDockWidget(Qt::TopDockWidgetArea, effectStackDock);
  93
  94     transitionConfigDock = new QDockWidget(i18n("Transition"), this);
  95     transitionConfigDock->setObjectName("transition");
  96     transitionConfig = new KListWidget(this);
  97     transitionConfigDock->setWidget(transitionConfig);
  98     addDockWidget(Qt::TopDockWidgetArea, transitionConfigDock);
  99
 100
 101     clipMonitorDock = new QDockWidget(i18n("Clip Monitor"), this);
 102     clipMonitorDock->setObjectName("clip_monitor");
 103     m_clipMonitor = new Monitor("clip", m_monitorManager, this);
 104     clipMonitorDock->setWidget(m_clipMonitor);
 105     addDockWidget(Qt::TopDockWidgetArea, clipMonitorDock);
 106     //m_clipMonitor->stop();
 107
 108     projectMonitorDock = new QDockWidget(i18n("Project Monitor"), this);
 109     projectMonitorDock->setObjectName("project_monitor");
 110     m_projectMonitor = new Monitor("project", m_monitorManager, this);
 111     projectMonitorDock->setWidget(m_projectMonitor);
 112     addDockWidget(Qt::TopDockWidgetArea, projectMonitorDock);
 113
 114     undoViewDock = new QDockWidget(i18n("Undo History"), this);
 115     undoViewDock->setObjectName("undo_history");
 116     m_undoView = new QUndoView(this);
 117     undoViewDock->setWidget(m_undoView);
 118     m_undoView->setStack(m_commandStack);
 119     addDockWidget(Qt::TopDockWidgetArea, undoViewDock);
 120
 121     overviewDock = new QDockWidget(i18n("Project Overview"), this);
 122     overviewDock->setObjectName("project_overview");
 123     m_overView = new CustomTrackView(NULL, NULL, this);
 124     overviewDock->setWidget(m_overView);
 125     addDockWidget(Qt::TopDockWidgetArea, overviewDock);
 126
 127     setupActions();
 128     tabifyDockWidget(projectListDock, effectListDock);
 129     tabifyDockWidget(projectListDock, effectStackDock);
 130     tabifyDockWidget(projectListDock, transitionConfigDock);
 131     tabifyDockWidget(projectListDock, undoViewDock);
 132     projectListDock->raise();
 133
 134     tabifyDockWidget(clipMonitorDock, projectMonitorDock);
 135     setCentralWidget(m_timelineArea);
 136
 137     m_timecodeFormat = new KComboBox(this);
 138     m_timecodeFormat->addItem(i18n("hh:mm:ss::ff"));
 139     m_timecodeFormat->addItem(i18n("Frames"));
 140
 141     statusProgressBar = new QProgressBar(this);
 142     statusProgressBar->setMinimum(0);
 143     statusProgressBar->setMaximum(100);
 144     statusProgressBar->setMaximumWidth(150);
 145     statusProgressBar->setVisible(false);
 146     statusLabel = new QLabel(this);
 147
 148     statusBar()->insertPermanentWidget(0, statusProgressBar, 1);
 149     statusBar()->insertPermanentWidget(1, statusLabel, 1);
 150     statusBar()->insertPermanentFixedItem("00:00:00:00", ID_TIMELINE_POS);
 151     statusBar()->insertPermanentWidget(ID_TIMELINE_FORMAT, m_timecodeFormat);
 152
 153     setupGUI(Default, "kdenliveui.rc");
 154
 155     connect(projectMonitorDock, SIGNAL(visibilityChanged(bool)), m_projectMonitor, SLOT(refreshMonitor(bool)));
 156     connect(clipMonitorDock, SIGNAL(visibilityChanged(bool)), m_clipMonitor, SLOT(refreshMonitor(bool)));
 157     connect(m_monitorManager, SIGNAL(connectMonitors()), this, SLOT(slotConnectMonitors()));
 158     connect(m_monitorManager, SIGNAL(raiseClipMonitor(bool)), this, SLOT(slotRaiseMonitor(bool)));
 159     connect(m_effectList, SIGNAL(addEffect(QDomElement)), this, SLOT(slotAddEffect(QDomElement)));
 160     m_monitorManager->initMonitors(m_clipMonitor, m_projectMonitor);
 161
 162     setAutoSaveSettings();
 163     newFile();
 164 }
 165
 166 //virtual
 167 bool MainWindow::queryClose() {
 168     saveOptions();
 169     switch (KMessageBox::warningYesNoCancel(this, i18n("Save changes to document ?"))) {
 170     case KMessageBox::Yes :
 171         // save document here. If saving fails, return false;
 172         return true;
 173     case KMessageBox::No :
 174         return true;
 175     default: // cancel
 176         return false;
 177     }
 178 }
 179
 180 void MainWindow::slotAddEffect(QDomElement effect, GenTime pos, int track) {
 181     if (!m_activeDocument) return;
 182     if (effect.isNull()) {
 183         kDebug() << "--- ERROR, TRYING TO APPEND NULL EFFECT";
 184         return;
 185     }
 186     TrackView *currentTimeLine = (TrackView *) m_timelineArea->currentWidget();
 187     currentTimeLine->projectView()->slotAddEffect(effect, pos, track);
 188 }
 189
 190 void MainWindow::slotRaiseMonitor(bool clipMonitor) {
 191     if (clipMonitor) clipMonitorDock->raise();
 192     else projectMonitorDock->raise();
 193 }
 194
 195 void MainWindow::slotSetClipDuration(int id, int duration) {
 196     if (!m_activeDocument) return;
 197     m_activeDocument->setProducerDuration(id, duration);
 198 }
 199
 200 void MainWindow::slotConnectMonitors() {
 201
 202     m_projectList->setRenderer(m_clipMonitor->render);
 203
 204     connect(m_projectList, SIGNAL(clipSelected(const QDomElement &)), m_clipMonitor, SLOT(slotSetXml(const QDomElement &)));
 205
 206     connect(m_projectList, SIGNAL(receivedClipDuration(int, int)), this, SLOT(slotSetClipDuration(int, int)));
 207
 208     connect(m_projectList, SIGNAL(getFileProperties(const QDomElement &, int)), m_clipMonitor->render, SLOT(getFileProperties(const QDomElement &, int)));
 209
 210     connect(m_clipMonitor->render, SIGNAL(replyGetImage(int, int, const QPixmap &, int, int)), m_projectList, SLOT(slotReplyGetImage(int, int, const QPixmap &, int, int)));
 211
 212     connect(m_clipMonitor->render, SIGNAL(replyGetFileProperties(int, const QMap < QString, QString > &, const QMap < QString, QString > &)), m_projectList, SLOT(slotReplyGetFileProperties(int, const QMap < QString, QString > &, const QMap < QString, QString > &)));
 213
 214 }
 215
 216 void MainWindow::setupActions() {
 217     KAction* clearAction = new KAction(this);
 218     clearAction->setText(i18n("Clear"));
 219     clearAction->setIcon(KIcon("document-new"));
 220     clearAction->setShortcut(Qt::CTRL + Qt::Key_W);
 221     actionCollection()->addAction("clear", clearAction);
 222     /*connect(clearAction, SIGNAL(triggered(bool)),
 223             textArea, SLOT(clear()));*/
 224
 225     KAction* profilesAction = new KAction(this);
 226     profilesAction->setText(i18n("Manage Profiles"));
 227     profilesAction->setIcon(KIcon("document-new"));
 228     actionCollection()->addAction("manage_profiles", profilesAction);
 229     connect(profilesAction, SIGNAL(triggered(bool)), this, SLOT(slotEditProfiles()));
 230
 231     KAction* projectAction = new KAction(this);
 232     projectAction->setText(i18n("Project Settings"));
 233     projectAction->setIcon(KIcon("document-new"));
 234     actionCollection()->addAction("project_settings", projectAction);
 235     connect(projectAction, SIGNAL(triggered(bool)), this, SLOT(slotEditProjectSettings()));
 236
 237     KAction* monitorPlay = new KAction(this);
 238     monitorPlay->setText(i18n("Play"));
 239     monitorPlay->setIcon(KIcon("media-playback-start"));
 240     monitorPlay->setShortcut(Qt::Key_Space);
 241     actionCollection()->addAction("monitor_play", monitorPlay);
 242     connect(monitorPlay, SIGNAL(triggered(bool)), m_monitorManager, SLOT(slotPlay()));
 243
 244     KStandardAction::quit(kapp, SLOT(quit()),
 245                           actionCollection());
 246
 247     KStandardAction::open(this, SLOT(openFile()),
 248                           actionCollection());
 249
 250     m_fileOpenRecent = KStandardAction::openRecent(this, SLOT(openFile(const KUrl &)),
 251                        actionCollection());
 252
 253     KStandardAction::save(this, SLOT(saveFile()),
 254                           actionCollection());
 255
 256     KStandardAction::saveAs(this, SLOT(saveFileAs()),
 257                             actionCollection());
 258
 259     KStandardAction::openNew(this, SLOT(newFile()),
 260                              actionCollection());
 261
 262     KStandardAction::preferences(this, SLOT(slotPreferences()),
 263                                  actionCollection());
 264
 265     /*KStandardAction::undo(this, SLOT(undo()),
 266                           actionCollection());
 267
 268     KStandardAction::redo(this, SLOT(redo()),
 269                           actionCollection());*/
 270
 271     connect(actionCollection(), SIGNAL(actionHighlighted(QAction*)),
 272             this, SLOT(slotDisplayActionMessage(QAction*)));
 273     //connect(actionCollection(), SIGNAL( clearStatusText() ),
 274     //statusBar(), SLOT( clear() ) );
 275
 276     readOptions();
 277
 278     /*m_redo = m_commandStack->createRedoAction(actionCollection());
 279     m_undo = m_commandStack->createUndoAction(actionCollection());*/
 280 }
 281
 282 void MainWindow::slotDisplayActionMessage(QAction *a) {
 283     statusBar()->showMessage(a->data().toString(), 3000);
 284 }
 285
 286 void MainWindow::saveOptions() {
 287     KSharedConfigPtr config = KGlobal::config();
 288     m_fileOpenRecent->saveEntries(KConfigGroup(config, "Recent Files"));
 289     config->sync();
 290 }
 291
 292 void MainWindow::readOptions() {
 293     KSharedConfigPtr config = KGlobal::config();
 294     m_fileOpenRecent->loadEntries(KConfigGroup(config, "Recent Files"));
 295 }
 296
 297 void MainWindow::newFile() {
 298     MltVideoProfile prof = ProfilesDialog::getVideoProfile(KdenliveSettings::default_profile());
 299     if (prof.width == 0) prof = ProfilesDialog::getVideoProfile("dv_pal");
 300     KdenliveDoc *doc = new KdenliveDoc(KUrl(), prof);
 301     TrackView *trackView = new TrackView(doc);
 302     m_timelineArea->addTab(trackView, i18n("Untitled") + " / " + prof.description);
 303     if (m_timelineArea->count() == 1)
 304         connectDocument(trackView, doc);
 305     else m_timelineArea->setTabBarHidden(false);
 306 }
 307
 308 void MainWindow::activateDocument() {
 309     TrackView *currentTab = (TrackView *) m_timelineArea->currentWidget();
 310     KdenliveDoc *currentDoc = currentTab->document();
 311     connectDocument(currentTab, currentDoc);
 312 }
 313
 314 void MainWindow::saveFileAs(const QString &outputFileName) {
 315     KSaveFile file(outputFileName);
 316     file.open();
 317
 318     QByteArray outputByteArray;
 319     //outputByteArray.append(textArea->toPlainText());
 320     file.write(outputByteArray);
 321     file.finalize();
 322     file.close();
 323
 324     fileName = outputFileName;
 325 }
 326
 327 void MainWindow::saveFileAs() {
 328     saveFileAs(KFileDialog::getSaveFileName());
 329 }
 330
 331 void MainWindow::saveFile() {
 332     if (!fileName.isEmpty()) {
 333         saveFileAs(fileName);
 334     } else {
 335         saveFileAs();
 336     }
 337 }
 338
 339 void MainWindow::openFile() { //changed
 340     KUrl url = KFileDialog::getOpenUrl(KUrl(), "application/vnd.kde.kdenlive;*.kdenlive");
 341     if (url.isEmpty()) return;
 342     m_fileOpenRecent->addUrl(url);
 343     openFile(url);
 344 }
 345
 346 void MainWindow::openFile(const KUrl &url) { //new
 347     //TODO: get video profile from url before opening it
 348     MltVideoProfile prof = ProfilesDialog::getVideoProfile(KdenliveSettings::default_profile());
 349     if (prof.width == 0) prof = ProfilesDialog::getVideoProfile("dv_pal");
 350     KdenliveDoc *doc = new KdenliveDoc(url, prof);
 351     TrackView *trackView = new TrackView(doc);
 352     m_timelineArea->setCurrentIndex(m_timelineArea->addTab(trackView, QIcon(), doc->documentName() + " / " + prof.description));
 353     m_timelineArea->setTabToolTip(m_timelineArea->currentIndex(), doc->url().path());
 354     if (m_timelineArea->count() > 1) m_timelineArea->setTabBarHidden(false);
 355     //connectDocument(trackView, doc);
 356 }
 357
 358
 359 void MainWindow::parseProfiles() {
 360     //kdDebug()<<" + + YOUR MLT INSTALL WAS FOUND IN: "<< MLT_PREFIX <<endl;
 361     if (KdenliveSettings::mltpath().isEmpty()) {
 362         KdenliveSettings::setMltpath(QString(MLT_PREFIX) + QString("/share/mlt/profiles/"));
 363     }
 364     if (KdenliveSettings::rendererpath().isEmpty()) {
 365         KdenliveSettings::setRendererpath(KStandardDirs::findExe("inigo"));
 366     }
 367     QStringList profilesFilter;
 368     profilesFilter << "*";
 369     QStringList profilesList = QDir(KdenliveSettings::mltpath()).entryList(profilesFilter, QDir::Files);
 370
 371     if (profilesList.isEmpty()) {
 372         // Cannot find MLT path, try finding inigo
 373         QString profilePath = KdenliveSettings::rendererpath();
 374         if (!profilePath.isEmpty()) {
 375             profilePath = profilePath.section('/', 0, -3);
 376             KdenliveSettings::setMltpath(profilePath + "/share/mlt/profiles/");
 377             QStringList profilesList = QDir(KdenliveSettings::mltpath()).entryList(profilesFilter, QDir::Files);
 378         }
 379
 380         if (profilesList.isEmpty()) {
 381             // Cannot find the MLT profiles, ask for location
 382             KUrlRequesterDialog *getUrl = new KUrlRequesterDialog(KdenliveSettings::mltpath(), i18n("Cannot find your Mlt profiles, please give the path"), this);
 383             getUrl->fileDialog()->setMode(KFile::Directory);
 384             getUrl->exec();
 385             KUrl mltPath = getUrl->selectedUrl();
 386             delete getUrl;
 387             if (mltPath.isEmpty()) exit(1);
 388             KdenliveSettings::setMltpath(mltPath.path());
 389             QStringList profilesList = QDir(KdenliveSettings::mltpath()).entryList(profilesFilter, QDir::Files);
 390         }
 391     }
 392
 393     if (KdenliveSettings::rendererpath().isEmpty()) {
 394         // Cannot find the MLT inigo renderer, ask for location
 395         KUrlRequesterDialog *getUrl = new KUrlRequesterDialog(KdenliveSettings::mltpath(), i18n("Cannot find the inigo program required for rendering (part of Mlt)"), this);
 396         getUrl->exec();
 397         KUrl rendererPath = getUrl->selectedUrl();
 398         delete getUrl;
 399         if (rendererPath.isEmpty()) exit(1);
 400         KdenliveSettings::setRendererpath(rendererPath.path());
 401     }
 402
 403     kDebug() << "RESULTING MLT PATH: " << KdenliveSettings::mltpath();
 404
 405     // Parse MLT profiles to build a list of available video formats
 406     if (profilesList.isEmpty()) parseProfiles();
 407 }
 408
 409
 410 void MainWindow::slotEditProfiles() {
 411     ProfilesDialog *w = new ProfilesDialog;
 412     w->exec();
 413     delete w;
 414 }
 415
 416 void MainWindow::slotEditProjectSettings() {
 417     ProjectSettings *w = new ProjectSettings;
 418     w->exec();
 419     delete w;
 420 }
 421
 422
 423 void MainWindow::slotUpdateMousePosition(int pos) {
 424     if (m_activeDocument)
 425         switch (m_timecodeFormat->currentIndex()) {
 426         case 0:
 427             statusBar()->changeItem(m_activeDocument->timecode().getTimecodeFromFrames(pos), ID_TIMELINE_POS);
 428             break;
 429         default:
 430             statusBar()->changeItem(QString::number(pos), ID_TIMELINE_POS);
 431         }
 432 }
 433
 434 void MainWindow::connectDocument(TrackView *trackView, KdenliveDoc *doc) { //changed
 435     //m_projectMonitor->stop();
 436     kDebug() << "///////////////////   CONNECTING DOC TO PROJECT VIEW ////////////////";
 437     if (m_activeDocument) {
 438         if (m_activeDocument == doc) return;
 439         m_activeDocument->setProducers(m_projectList->producersList());
 440         m_activeDocument->setRenderer(NULL);
 441     }
 442     connect(trackView, SIGNAL(cursorMoved()), m_projectMonitor, SLOT(activateMonitor()));
 443     connect(trackView, SIGNAL(mousePosition(int)), this, SLOT(slotUpdateMousePosition(int)));
 444     connect(m_projectMonitor, SIGNAL(renderPosition(int)), trackView, SLOT(moveCursorPos(int)));
 445     connect(m_projectMonitor, SIGNAL(durationChanged(int)), trackView->projectView(), SLOT(setDuration(int)));
 446     connect(doc, SIGNAL(addProjectClip(DocClipBase *)), m_projectList, SLOT(slotAddClip(DocClipBase *)));
 447     connect(doc, SIGNAL(signalDeleteProjectClip(int)), m_projectList, SLOT(slotDeleteClip(int)));
 448     connect(doc, SIGNAL(updateClipDisplay(int)), m_projectList, SLOT(slotUpdateClip(int)));
 449     connect(doc, SIGNAL(deletTimelineClip(int)), trackView, SLOT(slotDeleteClip(int)));
 450     connect(doc, SIGNAL(thumbsProgress(KUrl, int)), this, SLOT(slotGotProgressInfo(KUrl, int)));
 451
 452     connect(trackView, SIGNAL(clipItemSelected(ClipItem*)), effectStack, SLOT(slotClipItemSelected(ClipItem*)));
 453     connect(effectStack, SIGNAL(updateClipEffect(ClipItem*, QDomElement, QDomElement)), trackView->projectView(), SLOT(slotUpdateClipEffect(ClipItem*, QDomElement, QDomElement)));
 454     connect(effectStack, SIGNAL(removeEffect(ClipItem*, QDomElement)), trackView->projectView(), SLOT(slotDeleteEffect(ClipItem*, QDomElement)));
 455     connect(effectStack, SIGNAL(changeEffectState(ClipItem*, QDomElement, bool)), trackView->projectView(), SLOT(slotChangeEffectState(ClipItem*, QDomElement, bool)));
 456     connect(effectStack, SIGNAL(refreshEffectStack(ClipItem*)), trackView->projectView(), SLOT(slotRefreshEffects(ClipItem*)));
 457
 458     m_projectList->setDocument(doc);
 459     m_monitorManager->setTimecode(doc->timecode());
 460     m_monitorManager->resetProfiles(doc->profilePath());
 461     doc->setRenderer(m_projectMonitor->render);
 462     //m_undoView->setStack(0);
 463     m_commandStack = doc->commandStack();
 464
 465     m_overView->setScene(trackView->projectScene());
 466     m_overView->scale(m_overView->width() / trackView->duration(), m_overView->height() / (50 * trackView->tracksNumber()));
 467     //m_overView->fitInView(m_overView->itemAt(0, 50), Qt::KeepAspectRatio);
 468     QAction *redo = m_commandStack->createRedoAction(actionCollection());
 469     QAction *undo = m_commandStack->createUndoAction(actionCollection());
 470
 471     QWidget* w = factory()->container("mainToolBar", this);
 472     if (w) {
 473         if (actionCollection()->action("undo"))
 474             delete actionCollection()->action("undo");
 475         if (actionCollection()->action("redo"))
 476             delete actionCollection()->action("redo");
 477
 478         actionCollection()->addAction("undo", undo);
 479         actionCollection()->addAction("redo", redo);
 480         w->addAction(undo);
 481         w->addAction(redo);
 482     }
 483     m_undoView->setStack(doc->commandStack());
 484     m_activeDocument = doc;
 485 }
 486
 487 void MainWindow::slotPreferences() {
 488     //An instance of your dialog could be already created and could be
 489     // cached, in which case you want to display the cached dialog
 490     // instead of creating another one
 491     if (KConfigDialog::showDialog("settings"))
 492         return;
 493
 494     // KConfigDialog didn't find an instance of this dialog, so lets
 495     // create it :
 496     KdenliveSettingsDialog* dialog = new KdenliveSettingsDialog(this);
 497     connect(dialog, SIGNAL(settingsChanged(const QString&)), this, SLOT(updateConfiguration()));
 498     dialog->show();
 499 }
 500
 501 void MainWindow::updateConfiguration() {
 502     //TODO: we should apply settings to all projects, not only the current one
 503     TrackView *currentTab = (TrackView *) m_timelineArea->currentWidget();
 504     if (currentTab) {
 505         currentTab->refresh();
 506         currentTab->projectView()->checkAutoScroll();
 507         if (m_activeDocument) m_activeDocument->clipManager()->checkAudioThumbs();
 508     }
 509 }
 510
 511 void MainWindow::slotGotProgressInfo(KUrl url, int progress) {
 512     statusProgressBar->setValue(progress);
 513     if (progress > 0) {
 514         statusLabel->setText(tr("Creating Audio Thumbs"));
 515         statusProgressBar->setVisible(true);
 516     } else {
 517         statusLabel->setText("");
 518         statusProgressBar->setVisible(false);
 519     }
 520 }
 521
 522 #include "mainwindow.moc"