Remove tooltips from the data of Toc Items

[lyx.git] / src / graphics / PreviewImage.cpp

diff --git a/src/graphics/PreviewImage.cpp b/src/graphics/PreviewImage.cpp
index 8c3f31d44f9ea15b7846c1094f896417056888bf..80e8e2013513575cc8dfc500a7d9f554d70c10b7 100644 (file)
--- a/src/graphics/PreviewImage.cpp
+++ b/src/graphics/PreviewImage.cpp
@@ -12,6 +12,7 @@
 
 #include "PreviewImage.h"
 
+#include "Buffer.h"
 #include "Dimension.h"
 #include "GraphicsImage.h"
 #include "GraphicsLoader.h"
@@ -27,7 +28,7 @@ using namespace lyx::support;
 namespace lyx {
 namespace graphics {
 
-class PreviewImage::Impl : public boost::signals::trackable {
+class PreviewImage::Impl : public boost::signals2::trackable {
 public:
        ///
        Impl(PreviewImage & p, PreviewLoader & l,
@@ -112,7 +113,11 @@ PreviewImage::Impl::Impl(PreviewImage & p, PreviewLoader & l,
 
 PreviewImage::Impl::~Impl()
 {
-       iloader_.filename().removeFile();
+       // If these images are generated for a clone, then that may be
+       // because we are previewing. We therefore do not want to delete
+       // them when this Buffer is destroyed.
+       if (!ploader_.buffer().isClone())
+               iloader_.filename().removeFile();
 }