Use a proxy task to show progress when dropping multiple layers to QGIS

qgis · Aug 17, 2018 · 54f4eef · 54f4eef
1 parent 0d20062
commit 54f4eef
Showing 1 changed file with 9 additions and 1 deletion.
diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -1712,8 +1712,12 @@ void QgisApp::handleDropUriList( const QgsMimeDataUtils::UriList &lst )
   // added all layers, and only emit the signal once for the final layer added
   mBlockActiveLayerChanged = true;
 
+  QgsProxyProgressTask *proxyTask = new QgsProxyProgressTask( tr( "Loading layers" ) );
+  QgsApplication::taskManager()->addTask( proxyTask );
+
   // insert items in reverse order as each one is inserted on top of previous one
-  for ( int i = lst.size() - 1 ; i >= 0 ; i-- )
+  int count = 0;
+  for ( int i = lst.size() - 1 ; i >= 0 ; i--, count++ )
   {
     const QgsMimeDataUtils::Uri &u = lst.at( i );
 
@@ -1751,8 +1755,12 @@ void QgisApp::handleDropUriList( const QgsMimeDataUtils::UriList &lst )
     {
       openFile( u.uri, QStringLiteral( "project" ) );
     }
+
+    proxyTask->setProxyProgress( 100.0 * static_cast< double >( count ) / lst.size() );
   }
 
+  proxyTask->finalize( true );
+
   mBlockActiveLayerChanged = false;
   emit activeLayerChanged( activeLayer() );
 }