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Index: src/insets/RenderPreview.h
===================================================================
--- src/insets/RenderPreview.h (revision 18839)
+++ src/insets/RenderPreview.h (working copy)
@@ -51,6 +51,9 @@
RenderPreview(RenderPreview const &, Inset const *);
std::auto_ptr<RenderBase> clone(Inset const *) const;
+ ///
+ bool empty() const { return snippet_.empty(); }
+
/// Compute the size of the object, returned in dim
bool metrics(MetricsInfo &, Dimension & dim) const;
///
Index: src/mathed/InsetMathHull.cpp
===================================================================
--- src/mathed/InsetMathHull.cpp (revision 18839)
+++ src/mathed/InsetMathHull.cpp (working copy)
@@ -114,7 +114,15 @@
return numbered ? "" : "*";
}
+ docstring const latex_string(InsetMathHull const & inset)
+ {
+ odocstringstream ls;
+ WriteStream wi(ls, false, false);
+ inset.write(wi);
+ return ls.str();
+ }
+
} // end anon namespace
@@ -276,6 +284,11 @@
bool InsetMathHull::previewState(BufferView * bv) const
{
if (!editing(bv) && RenderPreview::status() == LyXRC::PREVIEW_ON) {
+ // BUG 1486: preview_ of copied formula is empty
+ if (preview_->empty()) {
+ docstring const snippet = latex_string(*this);
+ preview_->addPreview(snippet, *bv->buffer());
+ }
graphics::PreviewImage const * pimage =
preview_->getPreviewImage(*bv->buffer());
return pimage && pimage->image();
@@ -395,19 +408,7 @@
}
-namespace {
-docstring const latex_string(InsetMathHull const & inset)
-{
- odocstringstream ls;
- WriteStream wi(ls, false, false);
- inset.write(wi);
- return ls.str();
-}
-
-} // namespace anon
-
-
void InsetMathHull::addPreview(graphics::PreviewLoader & ploader) const
{
if (RenderPreview::status() == LyXRC::PREVIEW_ON) {
