revert Buffer LyxText->InsetText commit

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

diff --git a/src/mathed/math_undersetinset.C b/src/mathed/math_undersetinset.C
index 526981fa3dd3fdf32aeab6b04abd58d7d4021b0a..74b8f0494d1b092e0557417fc84b8e2931867221 100644 (file)
--- a/src/mathed/math_undersetinset.C
+++ b/src/mathed/math_undersetinset.C
@@ -1,15 +1,24 @@
+/**
+ * \file math_undersetinset.C
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author André Pönitz
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#include <config.h>
+
 #include "math_undersetinset.h"
+#include "math_data.h"
 #include "math_mathmlstream.h"
-#include "math_support.h"
-
+#include "cursor.h"
 
 using std::max;
 using std::auto_ptr;
 
 
-MathUndersetInset::MathUndersetInset()
-{}
-
 
 auto_ptr<InsetBase> MathUndersetInset::clone() const
 {
@@ -39,6 +48,33 @@ void MathUndersetInset::draw(PainterInfo & pi, int x, int y) const
 }
 
 
+bool MathUndersetInset::idxFirst(LCursor & cur) const
+{
+       cur.idx() = 1;
+       cur.pos() = 0;
+       return true;
+}
+
+
+bool MathUndersetInset::idxLast(LCursor & cur) const
+{
+       cur.idx() = 1;
+       cur.pos() = cur.lastpos();
+       return true;
+}
+
+
+bool MathUndersetInset::idxUpDown(LCursor & cur, bool up) const
+{
+       idx_type target = up; // up ? 1 : 0, since upper cell has idx 1
+       if (cur.idx() == target)
+               return false;
+       cur.idx() = target;
+       cur.pos() = cur.cell().x2pos(cur.x_target());
+       return true;
+}
+
+
 void MathUndersetInset::write(WriteStream & os) const
 {
        os << "\\underset{" << cell(0) << "}{" << cell(1) << '}';