Account for old versions of Pygments

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

diff --git a/src/mathed/InsetMathSubstack.cpp b/src/mathed/InsetMathSubstack.cpp
index ef494f7f4528e349cd23bbbe0c0e88e169667627..fb29077067d087d5467bb53c69651abd43379361 100644 (file)
--- a/src/mathed/InsetMathSubstack.cpp
+++ b/src/mathed/InsetMathSubstack.cpp
@@ -3,84 +3,91 @@
  * This file is part of LyX, the document processor.
  * Licence details can be found in the file COPYING.
  *
- * \author André Pönitz
+ * \author André Pönitz
  *
  * Full author contact details are available in file CREDITS.
  */
 
 #include <config.h>
 
-#include "LaTeXFeatures.h"
 #include "InsetMathSubstack.h"
+
 #include "MathData.h"
 #include "MathStream.h"
-#include "support/std_ostream.h"
 
-#include "funcrequest.h"
+#include "FuncRequest.h"
 #include "FuncStatus.h"
-#include "gettext.h"
+#include "LaTeXFeatures.h"
+#include "MetricsInfo.h"
 
+#include "support/gettext.h"
 #include "support/lstrings.h"
 
+#include <ostream>
+
+using namespace std;
 
 namespace lyx {
 
 using support::bformat;
 
-using std::string;
-using std::auto_ptr;
-
 
-InsetMathSubstack::InsetMathSubstack()
-       : InsetMathGrid(1, 1)
+InsetMathSubstack::InsetMathSubstack(Buffer * buf)
+       : InsetMathGrid(buf, 1, 1)
 {}
 
 
-auto_ptr<InsetBase> InsetMathSubstack::doClone() const
+Inset * InsetMathSubstack::clone() const
 {
-       return auto_ptr<InsetBase>(new InsetMathSubstack(*this));
+       return new InsetMathSubstack(*this);
 }
 
 
-bool InsetMathSubstack::metrics(MetricsInfo & mi, Dimension & dim) const
+void InsetMathSubstack::metrics(MetricsInfo & mi, Dimension & dim) const
 {
-       if (mi.base.style == LM_ST_DISPLAY) {
-               StyleChanger dummy(mi.base, LM_ST_TEXT);
-               InsetMathGrid::metrics(mi, dim);
-       } else {
-               InsetMathGrid::metrics(mi, dim);
-       }
-       if (dim_ == dim)
-               return false;
-       dim_ = dim;
-       return true;
+       Changer dummy2 = mi.base.changeEnsureMath();
+       Changer dummy = mi.base.changeArray();
+       InsetMathGrid::metrics(mi, dim);
 }
 
 
 void InsetMathSubstack::draw(PainterInfo & pi, int x, int y) const
 {
+       Changer dummy2 = pi.base.changeEnsureMath();
+       Changer dummy = pi.base.changeArray();
        InsetMathGrid::draw(pi, x + 1, y);
 }
 
 
-bool InsetMathSubstack::getStatus(LCursor & cur, FuncRequest const & cmd,
+bool InsetMathSubstack::getStatus(Cursor & cur, FuncRequest const & cmd,
                FuncStatus & flag) const
 {
-       switch (cmd.action) {
+       switch (cmd.action()) {
        case LFUN_TABULAR_FEATURE: {
-               string const name("substack");
-               docstring const & s = cmd.argument();
+               string s = cmd.getArg(0);
                if (s == "add-vline-left" || s == "add-vline-right") {
                        flag.message(bformat(
-                               from_utf8(N_("Can't add vertical grid lines in '%1$s'")), lyx::from_utf8(name)));
-                       flag.enabled(false);
+                               from_utf8(N_("Can't add vertical grid lines in '%1$s'")),
+                               from_utf8("substack")));
+                       flag.setEnabled(false);
                        return true;
                }
-               return InsetMathGrid::getStatus(cur, cmd, flag);
+               // in contrary to \subarray, the columns in \substack
+               // are always centered and this cannot be changed
+               if (s == "align-left" || s == "align-right") {
+                       flag.message(bformat(
+                               from_utf8(N_("Can't change horizontal alignment in '%1$s'")),
+                               from_utf8("substack")));
+                       flag.setEnabled(false);
+                       return true;
+               }
+               break;
        }
+
        default:
-               return InsetMathGrid::getStatus(cur, cmd, flag);
+               break;
        }
+       return InsetMathGrid::getStatus(cur, cmd, flag);
 }
 
 
@@ -92,9 +99,13 @@ void InsetMathSubstack::infoize(odocstream & os) const
 
 void InsetMathSubstack::write(WriteStream & os) const
 {
+       MathEnsurer ensurer(os);
        os << "\\substack{";
+       bool open = os.startOuterRow();
        InsetMathGrid::write(os);
        os << "}\n";
+       if (open)
+               os.startOuterRow();
 }
 
 
@@ -114,9 +125,40 @@ void InsetMathSubstack::maple(MapleStream & os) const
 }
 
 
+void InsetMathSubstack::mathmlize(MathStream & os) const
+{
+       int movers = 0;
+       row_type const numrows = nrows();
+       for (row_type row = 0; row < nrows(); ++row) {
+               if (row < numrows - 1) {
+                       movers ++;
+                       os << MTag("munder");
+               }
+               os << MTag("mrow") << cell(index(row, 0)) << ETag("mrow");
+       }
+       for (int i = 1; i <= movers; ++i)
+               os << ETag("munder");
+}
+
+
+void InsetMathSubstack::htmlize(HtmlStream & os) const
+{
+       os << MTag("span", "class='substack'");
+       for (row_type row = 0; row < nrows(); ++row)
+               os << MTag("span") << cell(index(row, 0)) << ETag("span");
+       os << ETag("span");
+}
+
+
 void InsetMathSubstack::validate(LaTeXFeatures & features) const
 {
-       features.require("amsmath");
+       if (features.runparams().isLaTeX())
+               features.require("amsmath");
+       else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
+               features.addCSSSnippet(
+                       "span.substack{display: inline-block; vertical-align: middle; text-align:center; font-size: 75%;}\n"
+                       "span.substack span{display: block;}");
+
        InsetMathGrid::validate(features);
 }