Fix assertion when checking if change in selection

[lyx.git] / src / insets / InsetCollapsible.h

diff --git a/src/insets/InsetCollapsible.h b/src/insets/InsetCollapsible.h
index 380d9aef6a82dda74fa038316ef2e3c434ded6dd..dac8440a5cbee6a59071ddd2333747ef7dee0712 100644 (file)
--- a/src/insets/InsetCollapsible.h
+++ b/src/insets/InsetCollapsible.h
@@ -25,6 +25,8 @@ namespace lyx {
 class CursorSlice;
 class InsetLayout;
 
+namespace support { class TempFile; }
+
 namespace frontend { class Painter; }
 
 /** A collapsible text inset
@@ -37,6 +39,8 @@ public:
        ///
        InsetCollapsible(InsetCollapsible const & rhs);
        ///
+       InsetCollapsible const & operator=(InsetCollapsible const &);
+       ///
        virtual ~InsetCollapsible();
        ///
        InsetCollapsible * asInsetCollapsible() { return this; }
@@ -164,6 +168,8 @@ protected:
        Inset * editXY(Cursor & cur, int x, int y);
        ///
        mutable CollapseStatus status_;
+        ///
+        unique_ptr<support::TempFile> tempfile_;
 private:
        ///
        Dimension dimensionCollapsed(BufferView const & bv) const;