#include "InsetMathBrace.h"
#include "InsetMathFont.h"
+#include "InsetMathMacro.h"
#include "InsetMathScript.h"
#include "MacroTable.h"
-#include "InsetMathMacro.h"
+#include "MathRow.h"
#include "MathStream.h"
#include "MathSupport.h"
#include "MetricsInfo.h"
#include "BufferView.h"
#include "CoordCache.h"
#include "Cursor.h"
+#include "Dimension.h"
#include "mathed/InsetMathUnknown.h"
#include "support/docstream.h"
#include "support/gettext.h"
#include "support/lassert.h"
-#include "support/lyxalgo.h"
#include <cstdlib>
MathData::MathData(Buffer * buf, const_iterator from, const_iterator to)
- : base_type(from, to), minasc_(0), mindes_(0), slevel_(0),
- sshift_(0), kerning_(0), buffer_(buf)
+ : base_type(from, to), buffer_(buf)
{}
+void MathData::setBuffer(Buffer & b)
+{
+ buffer_ = &b;
+ for (MathAtom & at : *this)
+ at.nucleus()->setBuffer(b);
+}
+
+
MathAtom & MathData::operator[](pos_type pos)
{
LBUFERR(pos < size());
{
bool has_contents = false;
BufferView * bv = mi.base.bv;
+ display_style_ = mi.base.font.style() == DISPLAY_STYLE;
MathData * ar = const_cast<MathData*>(this);
ar->updateMacros(&bv->cursor(), mi.macrocontext,
InternalUpdate, mi.base.macro_nesting);
#endif
-void MathData::metrics(MetricsInfo & mi, Dimension & dim) const
+void MathData::metrics(MetricsInfo & mi, Dimension & dim, bool tight) const
{
frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
- dim = fm.dimension('I');
- int xascent = fm.dimension('x').ascent();
- if (xascent >= dim.asc)
- xascent = (2 * dim.asc) / 3;
+ BufferView * bv = mi.base.bv;
+ int const Iascent = fm.dimension('I').ascent();
+ int xascent = fm.xHeight();
+ if (xascent >= Iascent)
+ xascent = (2 * Iascent) / 3;
minasc_ = xascent;
mindes_ = (3 * xascent) / 4;
slevel_ = (4 * xascent) / 5;
MathRow mrow(mi, this);
mrow.metrics(mi, dim);
- mrow_cache_[mi.base.bv] = mrow;
- kerning_ = mrow.kerning(mi.base.bv);
- // Cache the dimension.
- mi.base.bv->coordCache().arrays().add(this, dim);
+ // Set a minimal ascent/descent for the cell
+ if (tight)
+ // FIXME: this is the minimal ascent seen empirically, check
+ // what the TeXbook says.
+ dim.asc = max(dim.asc, fm.xHeight());
+ else {
+ dim.asc = max(dim.asc, fm.maxAscent());
+ dim.des = max(dim.des, fm.maxDescent());
+ }
+
+ // This is one of the the few points where the drawing font is known,
+ // so that we can set the caret vertical dimensions.
+ mrow.caret_dim.asc = min(dim.asc, fm.maxAscent());
+ mrow.caret_dim.des = min(dim.des, fm.maxDescent());
+ mrow.caret_dim.wid = fm.lineWidth();
+
+ /// do the same for math cells linearized in the row
+ MathRow caret_row = MathRow(mrow.caret_dim);
+ for (auto const & e : mrow)
+ if (e.type == MathRow::BEGIN && e.ar)
+ bv->setMathRow(e.ar, caret_row);
+
+ // Cache row and dimension.
+ bv->setMathRow(this, mrow);
+ bv->coordCache().arrays().add(this, dim);
}
MathData const & c1 = inset->cell(s1.idx());
if (s1.idx() == s2.idx() && &c1 == this) {
- // selection indide cell
+ // selection inside cell
Dimension const dim = bv->coordCache().getArrays().dim(&c1);
int const beg = c1.pos2x(bv, s1.pos());
int const end = c1.pos2x(bv, s2.pos());
setXY(*pi.base.bv, x, y);
drawSelection(pi, x, y);
- MathRow const & mrow = mrow_cache_[pi.base.bv];
+ MathRow const & mrow = pi.base.bv->mathRow(this);
mrow.draw(pi, x, y);
}
// FIXME: Abdel 16/10/2006
// This drawT() method is never used, this is dead code.
- for (const_iterator it = begin(), et = end(); it != et; ++it) {
- (*it)->drawT(pain, x, y);
- //x += (*it)->width_;
+ for (auto const & it : *this) {
+ it->drawT(pain, x, y);
+ //x += it->width_;
x += 2;
}
}
-void MathData::updateBuffer(ParIterator const & it, UpdateType utype)
+int MathData::kerning(BufferView const * bv) const
+{
+ return bv->mathRow(this).kerning(bv);
+}
+
+
+void MathData::updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted)
{
// pass down
for (size_t i = 0, n = size(); i != n; ++i) {
MathAtom & at = operator[](i);
- at.nucleus()->updateBuffer(it, utype);
+ at.nucleus()->updateBuffer(it, utype, deleted);
}
}
}
+MathClass MathData::firstMathClass() const
+{
+ for (MathAtom const & at : *this) {
+ MathClass mc = at->mathClass();
+ if (mc != MC_UNKNOWN)
+ return mc;
+ }
+ return MC_ORD;
+}
+
+
+MathClass MathData::lastMathClass() const
+{
+ MathClass res = MC_ORD;
+ for (MathAtom const & at : *this) {
+ MathClass mc = at->mathClass();
+ if (mc != MC_UNKNOWN)
+ res = mc;
+ }
+ return res;
+}
+
+
ostream & operator<<(ostream & os, MathData const & ar)
{
odocstringstream oss;