Andreas' patch to prevent crash on click on previewd inset

[lyx.git] / src / mathed / math_splitinset.C

diff --git a/src/mathed/math_splitinset.C b/src/mathed/math_splitinset.C
index 9d4e0058aaa2a03b0272f394db06f6a720200351..e372b5d658f99c4737d4a85a5de26e1b524468c6 100644 (file)
--- a/src/mathed/math_splitinset.C
+++ b/src/mathed/math_splitinset.C
@@ -15,6 +15,16 @@
 #include "math_mathmlstream.h"
 #include "math_streamstr.h"
 
+#include "funcrequest.h"
+#include "FuncStatus.h"
+#include "gettext.h"
+
+#include "support/lstrings.h"
+#include "support/std_ostream.h"
+
+
+using lyx::support::bformat;
+using std::string;
 using std::auto_ptr;
 
 
@@ -25,7 +35,7 @@ MathSplitInset::MathSplitInset(string const & name)
 }
 
 
-auto_ptr<InsetBase> MathSplitInset::clone() const
+auto_ptr<InsetBase> MathSplitInset::doClone() const
 {
        return auto_ptr<InsetBase>(new MathSplitInset(*this));
 }
@@ -39,10 +49,40 @@ char MathSplitInset::defaultColAlign(col_type col)
                return 'c';
        if (name_ == "aligned")
                return (col & 1) ? 'l' : 'r';
+       if (name_ == "alignedat")
+               return (col & 1) ? 'l' : 'r';
        return 'l';
 }
 
 
+void MathSplitInset::draw(PainterInfo & pi, int x, int y) const
+{
+       MathGridInset::draw(pi, x, y);
+       setPosCache(pi, x, y);
+}
+
+
+bool MathSplitInset::getStatus(LCursor & cur, FuncRequest const & cmd,
+               FuncStatus & flag) const
+{
+       switch (cmd.action) {
+       case LFUN_TABULAR_FEATURE: {
+               string const s = cmd.argument;
+               if (s == "add-vline-left" || s == "add-vline-right") {
+                       flag.message(bformat(
+                       N_("Can't add vertical grid lines in '%1$s'"),
+                               name_));
+                       flag.enabled(false);
+                       return true;
+               }
+               return MathGridInset::getStatus(cur, cmd, flag);
+       }
+       default:
+               return MathGridInset::getStatus(cur, cmd, flag);
+       }
+}
+
+
 void MathSplitInset::write(WriteStream & ws) const
 {
        if (ws.fragile())
@@ -53,3 +93,11 @@ void MathSplitInset::write(WriteStream & ws) const
                ws << "\\protect";
        ws << "\\end{" << name_ << "}\n";
 }
+
+
+void MathSplitInset::infoize(std::ostream & os) const
+{
+       string name = name_;
+       name[0] = lyx::support::uppercase(name[0]);
+       os << name << ' ';
+}