Fix drawing of empty boxes

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

diff --git a/src/mathed/InsetMathCases.h b/src/mathed/InsetMathCases.h
index 7820922f07fd95bc45b023a158389cff8ada6f68..84e13979e8ba9226a94a4e3e0e1598f5542855d4 100644 (file)
--- a/src/mathed/InsetMathCases.h
+++ b/src/mathed/InsetMathCases.h
@@ -27,8 +27,6 @@ public:
        ///
        void metrics(MetricsInfo & mi, Dimension & dim) const;
        ///
-       Dimension const dimension(BufferView const &) const;
-       ///
        void draw(PainterInfo & pi, int x, int y) const;
        ///
        virtual void doDispatch(Cursor & cur, FuncRequest & cmd);
@@ -54,6 +52,13 @@ public:
        InsetCode lyxCode() const { return MATH_CASES_CODE; }
        ///
        int displayColSpace(col_type) const;
+       ///
+       int leftMargin() const { return 8; } //override
+       ///
+       int rightMargin() const { return 0; } //override
+       /// see e.g. https://tex.stackexchange.com/a/133283/87201
+       bool handlesMulticolumn() const { return true; } //override
+
 private:
        virtual Inset * clone() const;
 };