Fix #10863 compiler warnings.

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

diff --git a/src/mathed/MathSupport.cpp b/src/mathed/MathSupport.cpp
index daf437fc67fe5003a868ccac45e6d2a093cb1508..57eca6ee31ff8bea6a466b7b5a48f262c20e1545 100644 (file)
--- a/src/mathed/MathSupport.cpp
+++ b/src/mathed/MathSupport.cpp
@@ -505,7 +505,7 @@ deco_struct const * search_deco(docstring const & name)
 }
 
 
-} // namespace anon
+} // namespace
 
 
 int mathed_font_em(FontInfo const & font)
@@ -513,6 +513,12 @@ int mathed_font_em(FontInfo const & font)
        return theFontMetrics(font).em();
 }
 
+
+int mathed_font_x_height(FontInfo const & font)
+{
+       return theFontMetrics(font).ascent('x');
+}
+
 /* The math units. Quoting TeX by Topic, p.205:
  *
  * Spacing around mathematical objects is measured in mu units. A mu
@@ -556,7 +562,7 @@ int mathed_char_width(FontInfo const & font, char_type c)
 int mathed_char_kerning(FontInfo const & font, char_type c)
 {
        frontend::FontMetrics const & fm = theFontMetrics(font);
-       return fm.rbearing(c) - fm.width(c);
+       return max(0, fm.rbearing(c) - fm.width(c));
 }
 
 
@@ -961,8 +967,13 @@ docstring asString(MathData const & ar)
 
 void asArray(docstring const & str, MathData & ar, Parse::flags pf)
 {
+       // If the QUIET flag is set, we are going to parse for either
+       // a paste operation or a macro definition. We try to do the
+       // right thing in all cases.
+
        bool quiet = pf & Parse::QUIET;
-       if ((str.size() == 1 && quiet) || (!mathed_parse_cell(ar, str, pf) && quiet))
+       bool macro = pf & Parse::MACRODEF;
+       if ((str.size() == 1 && quiet) || (!mathed_parse_cell(ar, str, pf) && quiet && !macro))
                mathed_parse_cell(ar, str, pf | Parse::VERBATIM);
 }