fix #1073

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

diff --git a/src/mathed/math_textinset.C b/src/mathed/math_textinset.C
index 2e32ea9e21aa97b20cb240169e813be6a97aa09c..d67dbb19d778829c008db8b5212e13c2d7b15169 100644 (file)
--- a/src/mathed/math_textinset.C
+++ b/src/mathed/math_textinset.C
@@ -25,21 +25,23 @@ MathInset::idx_type MathTextInset::pos2row(pos_type pos) const
 }
 
 
-void MathTextInset::getPos(idx_type, pos_type pos, int & x, int & y) const
+void MathTextInset::getPos(idx_type /*idx*/, pos_type pos, int & x, int & y) const
 {
        idx_type const i = pos2row(pos);
        pos_type const p = pos - cache_.cellinfo_[i].begin_;
        cache_.getPos(i, p, x, y);
+       y = cache_.cell(i).yo();
 }
 
 
-bool MathTextInset::idxUpDown(idx_type &, pos_type & pos, bool up,
+bool MathTextInset::idxUpDown2(idx_type &, pos_type & pos, bool up,
        int /*targetx*/) const
 {
        // try to move only one screen row up or down if possible
        idx_type i = pos2row(pos);
+       //lyxerr << "\nMathTextInset::idxUpDown()  i: " << i << endl;
        MathGridInset::CellInfo const & cell1 = cache_.cellinfo_[i];
-       int const x = cells_[0].pos2x(cell1.begin_, pos, cell1.glue_);
+       int const x = cache_.cell(i).pos2x(pos - cell1.begin_, cell1.glue_);
        if (up) {
                if (i == 0)
                        return false;
@@ -50,7 +52,7 @@ bool MathTextInset::idxUpDown(idx_type &, pos_type & pos, bool up,
                        return false;
        }
        MathGridInset::CellInfo const & cell2 = cache_.cellinfo_[i];
-       pos = cell(0).x2pos(cell2.begin_, x, cell2.glue_);
+       pos = cell2.begin_ + cache_.cell(i).x2pos(x, cell2.glue_);
        return true;
 }
 
@@ -60,6 +62,10 @@ void MathTextInset::metrics(MetricsInfo & mi) const
        cell(0).metrics(mi);
 
        // we do our own metrics fiddling
+       // save old positional information
+       int const old_xo = cache_.cell(0).xo();
+       int const old_yo = cache_.cell(0).yo();
+
        // delete old cache
        cache_ = MathGridInset(1, 0);
 
@@ -148,6 +154,11 @@ void MathTextInset::metrics(MetricsInfo & mi) const
        cache_.metrics(mi);
        dim_ = cache_.dimensions();
        //lyxerr << "outer dim: " << dim_ << endl;
+
+       // reset position cache
+       for (idx_type i = 0; i < cache_.nargs(); ++i)
+               cache_.cell(i).setXY(old_xo, old_yo);
+
 }