Start legend update immediately when render starts instead of when

it finishes Since the operation is now executed in a background thread, we may as well get it processing at the same time as the render occurs
qgis · Mar 8, 2023 · b9ffb10 · b9ffb10
1 parent 7e554b1
commit b9ffb10
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -4888,7 +4888,7 @@ void QgisApp::initLayerTreeView()
   addDockWidget( Qt::LeftDockWidgetArea, mLayerOrderDock );
   mLayerOrderDock->hide();
 
-  connect( mMapCanvas, &QgsMapCanvas::mapCanvasRefreshed, this, &QgisApp::updateFilterLegend );
+  connect( mMapCanvas, &QgsMapCanvas::renderStarting, this, &QgisApp::updateFilterLegend );
   connect( mMapCanvas, &QgsMapCanvas::renderErrorOccurred, badLayerIndicatorProvider, &QgsLayerTreeViewBadLayerIndicatorProvider::reportLayerError );
   connect( mMapCanvas, &QgsMapCanvas::renderErrorOccurred, mInfoBar, [this]( const QString & error, QgsMapLayer * layer )
   {