X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Ftrackview.cpp;h=e086b21aff5bbb76a3c9eb68017bebd194de7ba7;hb=f77746744a2b7c21dadfcc4fc364d41a9ee10d81;hp=b8110fb7deb5d0d149d8381162bc52a3f9a5bb76;hpb=a1b3653802fdeb8df79c594d0129608576d88fa2;p=kdenlive

diff --git a/src/trackview.cpp b/src/trackview.cpp
index b8110fb7..e086b21a 100644
--- a/src/trackview.cpp
+++ b/src/trackview.cpp
@@ -117,6 +117,7 @@ TrackView::TrackView(KdenliveDoc *doc, bool *ok, QWidget *parent) :
 
     slotChangeZoom(m_doc->zoom().x(), m_doc->zoom().y());
     slotSetZone(m_doc->zone());
+    connect(m_trackview, SIGNAL(documentModified()), this, SLOT(slotCheckProjectAudio()));
 }
 
 TrackView::~TrackView()
@@ -147,6 +148,21 @@ int TrackView::tracksNumber() const
     return m_projectTracks - 1;
 }
 
+void TrackView::slotCheckProjectAudio()
+{
+    bool hasAudio = false;
+    const QList <TrackInfo> list = m_doc->tracksList();
+    int max = list.count();
+    for (int i = 0; i < max; i++) {
+        TrackInfo info = list.at(max - i - 1);
+        if (!info.isMute && m_trackview->hasAudio(i)) {
+            hasAudio = true;
+            break;
+        }
+    }
+    emit projectHasAudio(hasAudio);
+}
+
 int TrackView::inPoint() const
 {
     return m_ruler->inPoint();
@@ -436,6 +452,7 @@ void TrackView::parseDocument(QDomDocument doc)
         else
             KMessageBox::information(this, i18n("Your project file was upgraded to the latest Kdenlive document version, but it was not possible to create a backup copy.", backupFile));
     }
+    slotCheckProjectAudio();
     //m_trackview->setCursorPos(cursorPos);
     //m_scrollBox->setGeometry(0, 0, 300 * zoomFactor(), m_scrollArea->height());
 }