X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Finsets%2FInsetPreview.cpp;h=c306ae91d21ea3678bf31f7ec935e96073f74a5d;hb=e4c46abeb7385960c9dd42494e3c7c1f3e699b56;hp=b8fd0aea8c3dda430b57567aae95bc8bd45fb51b;hpb=11c2b7792caf22219b346f8bb69a01f6abbf362d;p=lyx.git

diff --git a/src/insets/InsetPreview.cpp b/src/insets/InsetPreview.cpp
index b8fd0aea8c..c306ae91d2 100644
--- a/src/insets/InsetPreview.cpp
+++ b/src/insets/InsetPreview.cpp
@@ -19,6 +19,7 @@
 #include "MetricsInfo.h"
 #include "OutputParams.h"
 #include "RenderPreview.h"
+#include "texstream.h"
 
 #include "frontends/Painter.h"
 
@@ -34,16 +35,15 @@ using namespace std;
 namespace lyx {
 
 
-InsetPreview::InsetPreview(Buffer * buf) 
-	: InsetText(buf),
-	  preview_(new RenderPreview(this)), use_preview_(true)
+InsetPreview::InsetPreview(Buffer * buf)
+	: InsetText(buf), preview_(new RenderPreview(this))
 {
 	setDrawFrame(true);
 	setFrameColor(Color_previewframe);
 }
 
 
-InsetPreview::~InsetPreview() 
+InsetPreview::~InsetPreview()
 {}
 
 
@@ -54,6 +54,18 @@ InsetPreview::InsetPreview(InsetPreview const & other)
 }
 
 
+InsetPreview & InsetPreview::operator=(InsetPreview const & other)
+{
+	if (&other == this)
+		return *this;
+
+	InsetText::operator=(other);
+	preview_.reset(new RenderPreview(*other.preview_, this));
+
+	return *this;
+}
+
+
 void InsetPreview::write(ostream & os) const
 {
 	os << "Preview" << "\n";
@@ -68,11 +80,10 @@ void InsetPreview::addPreview(DocIterator const & inset_pos,
 }
 
 
-void InsetPreview::preparePreview(DocIterator const & pos) const  
+void InsetPreview::preparePreview(DocIterator const & pos) const
 {
-	TexRow texrow;
 	odocstringstream str;
-	otexstream os(str, texrow);
+	otexstream os(str);
 	OutputParams runparams(&pos.buffer()->params().encoding());
 	latex(os, runparams);
 
@@ -125,15 +136,11 @@ void InsetPreview::reloadPreview(DocIterator const & pos) const
 
 void InsetPreview::draw(PainterInfo & pi, int x, int y) const
 {
-	use_preview_ = previewState(pi.base.bv);
-
-	if (use_preview_) {
+	if (previewState(pi.base.bv)) {
 		// one pixel gap in front
-		preview_->draw(pi, x + 1 + TEXT_TO_INSET_OFFSET, y);
-		setPosCache(pi, x, y);
-		return;
-	}
-	InsetText::draw(pi, x, y);
+		preview_->draw(pi, x + 1, y);
+	} else
+		InsetText::draw(pi, x, y);
 }
 
 
@@ -146,7 +153,7 @@ void InsetPreview::edit(Cursor & cur, bool front, EntryDirection entry_from)
 
 Inset * InsetPreview::editXY(Cursor & cur, int x, int y)
 {
-	if (use_preview_) {
+	if (previewState(&cur.bv())) {
 		edit(cur, true, ENTRY_DIRECTION_IGNORE);
 		return this;
 	}
@@ -159,20 +166,14 @@ void InsetPreview::metrics(MetricsInfo & mi, Dimension & dim) const
 {
 	if (previewState(mi.base.bv)) {
 		preview_->metrics(mi, dim);
-		mi.base.textwidth += 2 * TEXT_TO_INSET_OFFSET;
-		
+
 		dim.wid = max(dim.wid, 4);
 		dim.asc = max(dim.asc, 4);
-		
+
 		dim.asc += TEXT_TO_INSET_OFFSET;
 		dim.des += TEXT_TO_INSET_OFFSET;
-		dim.wid += TEXT_TO_INSET_OFFSET;
-		dim_ = dim;
-		dim.wid += TEXT_TO_INSET_OFFSET;
 		// insert a one pixel gap
 		dim.wid += 1;
-		// Cache the inset dimension.
-		setDimCache(mi, dim);
 		Dimension dim_dummy;
 		MetricsInfo mi_dummy = mi;
 		InsetText::metrics(mi_dummy, dim_dummy);