Don't duplicate layer tree node when alt is held

Looks like it duplicates the layer but it really just copies the node meaning QGIS can get confused Backport of e49aaed
qgis · Jul 6, 2017 · 708c9e8 · 708c9e8
1 parent 27a9985
commit 708c9e8
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 0 deletions.
diff --git a/src/gui/layertree/qgslayertreeview.cpp b/src/gui/layertree/qgslayertreeview.cpp
@@ -386,3 +386,12 @@ void QgsLayerTreeView::collapseAllNodes()
   _expandAllNodes( layerTreeModel()->rootGroup(), false, layerTreeModel() );
   collapseAll();
 }
+
+void QgsLayerTreeView::dropEvent( QDropEvent *event )
+{
+  if ( event->keyboardModifiers() & Qt::AltModifier )
+  {
+    event->accept();
+  }
+  QTreeView::dropEvent( event );
+}
diff --git a/src/gui/layertree/qgslayertreeview.h b/src/gui/layertree/qgslayertreeview.h
@@ -111,6 +111,9 @@ class GUI_EXPORT QgsLayerTreeView : public QTreeView
 
     QgsMapLayer* layerForIndex( const QModelIndex& index ) const;
 
+    void dropEvent( QDropEvent *event ) override;
+
+
   protected slots:
 
     void modelRowsInserted( const QModelIndex& index, int start, int end );