Generalise the deletion protection mechanism from math to text (#9540)

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

diff --git a/src/mathed/InsetMathNest.h b/src/mathed/InsetMathNest.h
index 80f5f6d9d67f3a46f4f78a4f8a0ac20dac607e39..f1cfdd8beb66fa4d2b6eee557928fd33bcbaa318 100644 (file)
--- a/src/mathed/InsetMathNest.h
+++ b/src/mathed/InsetMathNest.h
@@ -33,24 +33,12 @@ public:
        ///
        void setBuffer(Buffer &);
 
-       // The method below hides inset::metrics() intentionally!
-       // We have to tell clang not to be fussy about that.
-#ifdef __clang__
-#pragma clang diagnostic push
-#pragma clang diagnostic ignored "-Woverloaded-virtual"
-#endif
-       /// the size is usually some sort of convex hull of the cells
-       void metrics(MetricsInfo const & mi) const;
-#ifdef __clang__
-#pragma clang diagnostic pop
-#endif
+       /// Update the cells metrics
+       void cellsMetrics(MetricsInfo const & mi) const;
        /// draw background if locked
        void draw(PainterInfo & pi, int x, int y) const;
        /// draw selection background
        void drawSelection(PainterInfo & pi, int x, int y) const;
-       /// draw decorations.
-       void drawDecoration(PainterInfo & pi, int x, int y) const
-       { drawMarkers(pi, x, y); }
        ///
        void updateBuffer(ParIterator const &, UpdateType);
        /// identifies NestInsets
@@ -143,6 +131,9 @@ public:
        ///
        InsetCode lyxCode() const { return MATH_NEST_CODE; }
 
+       ///
+       bool confirmDeletion() const { return nargs() > 0; }
+
 protected:
        ///
        InsetMathNest(InsetMathNest const & inset);