This patch transfer Inset::destroyed signal to InsetText and InsetMathNest thus freei...

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

diff --git a/src/mathed/InsetMathNest.h b/src/mathed/InsetMathNest.h
index 41387136d69b4629cefa6625682e589c1fa3fcf6..3770bccd0d3b00a23f1d7eb09d3d42e8795188e4 100644 (file)
--- a/src/mathed/InsetMathNest.h
+++ b/src/mathed/InsetMathNest.h
@@ -27,6 +27,8 @@ class InsetMathNest : public InsetMath {
 public:
        /// nestinsets have a fixed size to start with
        explicit InsetMathNest(idx_type ncells);
+       ///
+       virtual ~InsetMathNest() { destroyed(); }
 
        /// the size is usually some sort of convex hull of the cells
        /// hides inset::metrics() intentionally!
@@ -104,7 +106,15 @@ public:
        int latex(Buffer const &, odocstream & os,
                        OutputParams const & runparams) const;
 
+       /// This signal is emitted when the inset is destroyed.
+       boost::signal<void()> * destroyedSignal() { return &destroyed; }
+
 protected:
+       ///
+       InsetMathNest(InsetMathNest const & inset);
+       ///
+       InsetMathNest & operator=(InsetMathNest const &);
+
        ///
        virtual void doDispatch(Cursor & cur, FuncRequest & cmd);
        /// do we want to handle this event?
@@ -146,6 +156,10 @@ protected:
        cells_type cells_;
        /// if the inset is locked, it can't be entered with the cursor
        bool lock_;
+
+private:
+       /// This signal is emitted when the inset is destroyed.
+       boost::signal<void()> destroyed;
 };