From f3235f7c436d07f4350c67de1241595160be47b0 Mon Sep 17 00:00:00 2001
From: Nyall Dawson <nyall.dawson@gmail.com>
Date: Mon, 6 Aug 2018 12:20:43 +1000
Subject: [PATCH] Short connection timeout for symbol selector preview feature
 fetching

Because we don't really care if we couldn't fulfill this request,
and the request itself is blocking UI.
---
 src/gui/symbology/qgssymbolselectordialog.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gui/symbology/qgssymbolselectordialog.cpp b/src/gui/symbology/qgssymbolselectordialog.cpp
index c0311f6c93f..9e657bdc3e8 100644
--- a/src/gui/symbology/qgssymbolselectordialog.cpp
+++ b/src/gui/symbology/qgssymbolselectordialog.cpp
@@ -253,7 +253,8 @@ QgsSymbolSelectorWidget::QgsSymbolSelectorWidget( QgsSymbol *symbol, QgsStyle *s
   //get first feature from layer for previews
   if ( mVectorLayer )
   {
-    QgsFeatureIterator it = mVectorLayer->getFeatures( QgsFeatureRequest().setLimit( 1 ) );
+    // short timeout for request - it doesn't really matter if we don't get the feature, and this call is blocking UI
+    QgsFeatureIterator it = mVectorLayer->getFeatures( QgsFeatureRequest().setLimit( 1 ).setConnectionTimeout( 100 ) );
     it.nextFeature( mPreviewFeature );
     mPreviewExpressionContext.appendScopes( QgsExpressionContextUtils::globalProjectLayerScopes( mVectorLayer ) );
     mPreviewExpressionContext.setFeature( mPreviewFeature );