X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fgraphics%2FPreviewLoader.cpp;h=c3055dc61ee89a80dba76baaf35d2caf80c2af4d;hb=592219c1f1c5f27d3bb3274906fc932c4983ee3a;hp=7a969763fb804e6ba4d86840c29f2884ad036496;hpb=2973108a62c893981568c7cbc6ac3bd4db3a92f1;p=features.git

diff --git a/src/graphics/PreviewLoader.cpp b/src/graphics/PreviewLoader.cpp
index 7a969763fb..c3055dc61e 100644
--- a/src/graphics/PreviewLoader.cpp
+++ b/src/graphics/PreviewLoader.cpp
@@ -450,6 +450,11 @@ PreviewLoader::Impl::preview(string const & latex_snippet) const
 void PreviewLoader::Impl::refreshPreviews()
 {
 	font_scaling_factor_ = int(buffer_.fontScalingFactor());
+	// Reschedule refresh until the previous process completed.
+	if (!finished_generating_) {
+		delay_refresh_->start(1000);
+		return;
+	}
 	Cache::const_iterator cit = cache_.begin();
 	Cache::const_iterator cend = cache_.end();
 	while (cit != cend)