Fix display and export of some latex macros

[lyx.git] / src / mathed / MathFactory.cpp

diff --git a/src/mathed/MathFactory.cpp b/src/mathed/MathFactory.cpp
index f7c21e805ee5a0bb8ab784cb71982f2c04129f59..0814167612e3c110fdd76cd1ec84e4ba42fa9bef 100644 (file)
--- a/src/mathed/MathFactory.cpp
+++ b/src/mathed/MathFactory.cpp
@@ -360,23 +360,41 @@ void initMath()
 }
 
 
-bool ensureMath(WriteStream & os, bool needs_math_mode, bool macro)
+bool ensureMath(WriteStream & os, bool needs_mathmode, bool macro,
+                bool textmode_macro)
 {
        bool brace = os.pendingBrace();
        os.pendingBrace(false);
        if (!os.latex())
                return brace;
-       if (os.textMode() && needs_math_mode) {
-               os << "\\ensuremath{";
+       if (os.textMode() && needs_mathmode) {
+               if (brace) {
+                       // close \lyxmathsym
+                       os << '}';
+                       brace = false;
+               } else {
+                       os << "\\ensuremath{";
+                       brace = true;
+               }
                os.textMode(false);
-               brace = true;
-       } else if (macro && brace && !needs_math_mode) {
-               // This is a user defined macro, but not a MathMacro, so we
-               // cannot be sure what mode is needed. As it was entered in
-               // a text box, we restore the text mode.
-               os << '}';
+       } else if (macro && textmode_macro && !os.textMode()) {
+               if (brace) {
+                       // close \ensuremath
+                       os << '}';
+                       brace = false;
+               } else {
+                       os << "\\lyxmathsym{";
+                       brace = true;
+               }
                os.textMode(true);
+       } else if (macro && brace && !textmode_macro) {
+               // This is a user defined macro, not a MathMacro, so we
+               // cannot be sure what mode is needed. We leave it in the
+               // same environment it was entered by closing either \lyxmathsym
+               // or \ensuremath, whichever was opened.
+               os << '}';
                brace = false;
+               os.textMode(!os.textMode());
        }
        return brace;
 }