Qt: Early Fix ML "Add to playlist" adding items multiple times"

Previous fix was doing late fixing by skipping multiple entries when
adding, but the multiplication was still done for other ops.
We were just needing to build Indexes list from rows instead of items.

This reverts commit 4cc9d577.

modules/gui/qt4/components/playlist/playlist_model.cpp

@@ -1196,10 +1196,6 @@ void PLModel::popupAddToPlaylist()
 
     foreach( QModelIndex currentIndex, current_selection )
     {
-        /* Don't add item multiple times when there are more columns in the model */
-        if( currentIndex.column() )
-            continue;
-
         playlist_item_t *p_item = playlist_ItemGetById( THEPL, itemId( currentIndex ) );
         if( !p_item ) continue;
 

modules/gui/qt4/components/playlist/standardpanel.cpp

@@ -116,7 +116,7 @@ void StandardPLPanel::popupPlView( const QPoint &point )
     QModelIndex index = currentView->indexAt( point );
     QPoint globalPoint = currentView->viewport()->mapToGlobal( point );
     QItemSelectionModel *selection = currentView->selectionModel();
-    QModelIndexList list = selection->selectedIndexes();
+    QModelIndexList list = selection->selectedRows();
 
     if( !model->popup( index, globalPoint, list ) )
         VLCMenuBar::PopupMenu( p_intf, true );

modules/gui/qt4/components/playlist/views.cpp

@@ -293,6 +293,7 @@ PlIconView::PlIconView( PLModel *, QWidget *parent ) : QListView( parent )
     setWrapping( true );
     setUniformItemSizes( true );
     setSelectionMode( QAbstractItemView::ExtendedSelection );
+    setSelectionBehavior( QAbstractItemView::SelectRows );
     setDragEnabled(true);
     setAttribute( Qt::WA_MacShowFocusRect, false );
     /* dropping in QListView::IconMode does not seem to work */
@@ -331,6 +332,7 @@ PlListView::PlListView( PLModel *, QWidget *parent ) : QListView( parent )
     setViewMode( QListView::ListMode );
     setUniformItemSizes( true );
     setSelectionMode( QAbstractItemView::ExtendedSelection );
+    setSelectionBehavior( QAbstractItemView::SelectRows );
     setAlternatingRowColors( true );
     setDragEnabled(true);
     setAcceptDrops( true );