Fix event loop to no longer eat CPU

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

diff --git a/src/mathed/math_splitinset.C b/src/mathed/math_splitinset.C
index e903a04b8482ad0d9e9f5aa4fb47a45d2c84612b..b5ccfe370605f311a41bf3d4e803579ec57f63ef 100644 (file)
--- a/src/mathed/math_splitinset.C
+++ b/src/mathed/math_splitinset.C
@@ -15,7 +15,15 @@
 #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;
 
@@ -47,13 +55,51 @@ char MathSplitInset::defaultColAlign(col_type col)
 }
 
 
+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())
                ws << "\\protect";
        ws << "\\begin{" << name_ << '}';
+       if (name_ == "alignedat")
+               ws << '{' << static_cast<unsigned int>((ncols() + 1)/2) << '}';
        MathGridInset::write(ws);
        if (ws.fragile())
                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 << ' ';
+}