Use bool literals.

clang-tidy modernize-use-bool-literals check.

Applications/DataExplorer/VtkVis/VtkVisPipelineView.cpp

@@ -80,7 +80,7 @@ void VtkVisPipelineView::contextMenuEvent( QContextMenuEvent* event )
         int objectType = item->algorithm()->GetOutputDataObject(0)->GetDataObjectType();
         VtkAlgorithmProperties* vtkProps = item->getVtkProperties();
         bool isSourceItem =
-                (this->selectionModel()->currentIndex().parent().isValid()) ? 0 : 1;
+            !(this->selectionModel()->currentIndex().parent().isValid());
 
         QMenu menu;
         QAction* addFilterAction = menu.addAction("Add filter...");

GeoLib/IO/XmlIO/Qt/XmlGmlInterface.cpp

@@ -364,13 +364,13 @@ bool XmlGmlInterface::write()
         else
         {
             ERR("XmlGmlInterface::write(): Point vector is empty, abort writing geometry.");
-            return 0;
+            return false;
         }
     }
     else
     {
         ERR("XmlGmlInterface::write(): No point vector found, abort writing geometry.");
-        return 0;
+        return false;
     }
 
     // POLYLINES

GeoLib/IO/XmlIO/Qt/XmlStnInterface.cpp

@@ -200,7 +200,7 @@ bool XmlStnInterface::write()
     if (this->_exportName.empty())
     {
         ERR("XmlStnInterface::write(): No station list specified.");
-        return 0;
+        return false;
     }
 
     _out << "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"; // xml definition