Andreas' patch to prevent crash on click on previewd inset

[lyx.git] / src / mathed / math_diffinset.h

diff --git a/src/mathed/math_diffinset.h b/src/mathed/math_diffinset.h
index 651a60d67b173099271f22f6c5910d5a904e9888..b25140ec4a170e373bcafa8cd0bfb2cd4ef979ae 100644 (file)
--- a/src/mathed/math_diffinset.h
+++ b/src/mathed/math_diffinset.h
@@ -1,4 +1,14 @@
 // -*- C++ -*-
+/**
+ * \file math_diffinset.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
 #ifndef MATH_DIFFINSET_H
 #define MATH_DIFFINSET_H
 
@@ -11,15 +21,13 @@
 class MathDiffInset : public MathNestInset {
 public:
        ///
-       explicit MathDiffInset();
-       ///
-       MathInset * clone() const;
+       MathDiffInset();
        ///
        void addDer(MathArray const & der);
        ///
-       void metrics(MathMetricsInfo & mi) const;
+       void metrics(MetricsInfo & mi, Dimension & dim) const;
        ///
-       void draw(MathPainterInfo & pi, int x, int y) const;
+       void draw(PainterInfo & pi, int x, int y) const;
 
        ///
        void normalize(NormalStream &) const;
@@ -31,6 +39,8 @@ public:
        void mathmlize(MathMLStream &) const;
        ///
        void write(WriteStream & os) const;
+private:
+       virtual std::auto_ptr<InsetBase> doClone() const;
 };
 
 #endif