Fix bug #8782.

[lyx.git] / src / insets / RenderPreview.cpp

diff --git a/src/insets/RenderPreview.cpp b/src/insets/RenderPreview.cpp
index 9d7304f2e7f3cb87e7c6514f3f2ddcac707cb3f8..59a870c412728d4a2e847cb0b4c2029818de5cb0 100644 (file)
--- a/src/insets/RenderPreview.cpp
+++ b/src/insets/RenderPreview.cpp
@@ -77,7 +77,7 @@ RenderPreview::RenderPreview(Inset const * inset)
 RenderPreview::RenderPreview(RenderPreview const & other,
                             Inset const * inset)
        : RenderBase(other),
-         boost::signals::trackable(),
+         boost::signals2::trackable(),
          snippet_(other.snippet_),
          parent_(inset)
 {}
@@ -104,6 +104,9 @@ docstring const statusMessage(BufferView const * bv, string const & snippet)
 
        Buffer const & buffer = bv->buffer();
        graphics::PreviewLoader const * loader = buffer.loader();
+       // please coverity (probably worth the check anyway)
+       if (!loader)
+               return docstring();
        graphics::PreviewLoader::Status const status = loader->status(snippet);
 
        docstring message;
@@ -284,7 +287,7 @@ void RenderMonitoredPreview::draw(PainterInfo & pi, int x, int y) const
 }
 
 
-boost::signals::connection
+boost::signals2::connection
 RenderMonitoredPreview::fileChanged(slot_type const & slot)
 {
        return monitor_.connect(slot);