Only set buffer if it is not null.

[lyx.git] / src / mathed / InsetMathHull.cpp

diff --git a/src/mathed/InsetMathHull.cpp b/src/mathed/InsetMathHull.cpp
index 43f49584afcc236866c5540356343576420b3085..91b3c6d6a34d43f96fa15ac56fac1ffff9166395 100644 (file)
--- a/src/mathed/InsetMathHull.cpp
+++ b/src/mathed/InsetMathHull.cpp
@@ -65,7 +65,7 @@
 #include "support/filetools.h"
 #include "support/lassert.h"
 #include "support/lstrings.h"
-#include "support/RefChanger.h"
+#include "support/Changer.h"
 
 #include <sstream>
 
@@ -616,8 +616,8 @@ void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
        if (previewState(bv)) {
                // Do not draw change tracking cue if taken care of by RowPainter
                // already.
-               Changer dummy = !canPaintChange(*bv) ? make_change(pi.change, Change())
-                       : Changer();
+               Changer dummy = !canPaintChange(*bv) ? changeVar(pi.change, Change())
+                       : noChange();
                if (previewTooSmall(dim)) {
                        // we have an extra frame
                        preview_->draw(pi, x + ERROR_FRAME_WIDTH, y);
@@ -635,7 +635,7 @@ void InsetMathHull::draw(PainterInfo & pi, int x, int y) const
                                ? Color_selectiontext : standardColor();
        bool const really_change_color = pi.base.font.color() == Color_none;
        Changer dummy0 = really_change_color ? pi.base.font.changeColor(color)
-               : Changer();
+               : noChange();
        if (numberedType()) {
                BufferParams::MathNumber const math_number = buffer().params().getMathNumber();
                for (row_type row = 0; row < nrows(); ++row) {
@@ -2663,9 +2663,9 @@ docstring InsetMathHull::xhtml(XMLStream & xs, OutputParams const & op) const
                        string const tag = (getType() == hullSimple) ? "span" : "div";
                        xs << xml::CR()
                           << xml::StartTag(tag, "style = \"text-align: center;\"")
-                                << xml::CompTag("img", "src=\"" + filename + "\" alt=\"Mathematical Equation\"")
-                                << xml::EndTag(tag)
-                                << xml::CR();
+                          << xml::CompTag("img", "src=\"" + filename + "\" alt=\"Mathematical Equation\"")
+                          << xml::EndTag(tag)
+                          << xml::CR();
                        success = true;
                }
        }