Update of the clipMoved event with the old track position

src/gui/AbstractGraphicsMediaItem.cpp

@@ -22,7 +22,8 @@
 
 #include "AbstractGraphicsMediaItem.h"
 
-AbstractGraphicsMediaItem::AbstractGraphicsMediaItem() : m_tracksView( NULL )
+AbstractGraphicsMediaItem::AbstractGraphicsMediaItem() :
+        m_tracksView( NULL ), oldTrackNumber( -1 )
 {
     setCursor( Qt::OpenHandCursor );
 }

src/gui/AbstractGraphicsMediaItem.h

@@ -56,6 +56,11 @@ protected:
      */
     TracksView* tracksView();
 
+    /**
+     * Contains the old trackNumber
+     */
+    int oldTrackNumber;
+
     virtual void mousePressEvent( QGraphicsSceneMouseEvent* event );
     virtual void mouseReleaseEvent( QGraphicsSceneMouseEvent* event );
 

src/gui/TracksView.cpp

@@ -246,6 +246,7 @@ void TracksView::dropEvent( QDropEvent* event )
         event->acceptProposedAction();
 
         qreal mappedXPos = ( mapToScene( event->pos() ).x() + 0.5 );
+        m_dragItem->oldTrackNumber = m_dragItem->trackNumber();
         m_mainWorkflow->addClip( m_dragItem->clip(),
                                  m_dragItem->trackNumber(),
                                  (qint64)mappedXPos );
@@ -360,8 +361,10 @@ void TracksView::mouseReleaseEvent( QMouseEvent* event )
             if ( m_layout->itemAt( 0 )->graphicsItem()->childItems().count() > 0 )
                 addVideoTrack();
             emit clipMoved( movieItem->clip()->getUuid(),
+                            movieItem->oldTrackNumber,
                             movieItem->trackNumber(),
                             (qint64)movieItem->pos().x() );
+            movieItem->oldTrackNumber = movieItem->trackNumber();
             m_actionMove = false;
             m_actionRelativeX = -1;
             m_actionItem = NULL;

src/gui/TracksView.h

@@ -134,7 +134,7 @@ signals:
     void                    zoomIn();
     void                    zoomOut();
     void                    durationChanged( int duration );
-    void                    clipMoved( const QUuid& uuid, int track, qint64 start );
+    void                    clipMoved( const QUuid& uuid, int oldTrack, int newTrack, qint64 start );
 };
 
 #endif // TRACKSVIEW_H