+#include <config.h>
+
#ifdef __GNUG__
#pragma implementation
#endif
#include "math_data.h"
#include "math_inset.h"
+#include "math_cursor.h"
#include "math_deliminset.h"
-#include "math_charinset.h"
+#include "math_fontinset.h"
#include "math_scriptinset.h"
-#include "math_stringinset.h"
-#include "math_matrixinset.h"
#include "math_mathmlstream.h"
#include "math_support.h"
#include "math_replace.h"
#include "debug.h"
#include "support/LAssert.h"
+#include "math_metricsinfo.h"
+#include "frontends/Painter.h"
+#include "textpainter.h"
-MathArray::MathArray()
-{}
+using std::max;
+using std::min;
+using std::abs;
+
-MathArray::MathArray(MathArray const & ar, size_type from, size_type to)
- : bf_(ar.begin() + from, ar.begin() + to)
+MathArray::MathArray()
+ : xo_(0), yo_(0), clean_(false), drawn_(false)
{}
-MathArray::MathArray(iterator from, iterator to)
- : bf_(from, to)
+MathArray::MathArray(const_iterator from, const_iterator to)
+ : base_type(from, to), xo_(0), yo_(0), clean_(false), drawn_(false)
{}
}
-MathAtom & MathArray::at(size_type pos)
+MathAtom & MathArray::operator[](size_type pos)
{
lyx::Assert(pos < size());
- return bf_[pos];
+ return base_type::operator[](pos);
}
-MathAtom const & MathArray::at(size_type pos) const
+MathAtom const & MathArray::operator[](size_type pos) const
{
lyx::Assert(pos < size());
- return bf_[pos];
+ return base_type::operator[](pos);
}
void MathArray::insert(size_type pos, MathAtom const & t)
{
- bf_.insert(begin() + pos, t);
+ base_type::insert(begin() + pos, t);
}
void MathArray::insert(size_type pos, MathArray const & ar)
{
- bf_.insert(begin() + pos, ar.begin(), ar.end());
+ lyx::Assert(pos <= size());
+ base_type::insert(begin() + pos, ar.begin(), ar.end());
}
-void MathArray::push_back(MathAtom const & t)
-{
- bf_.push_back(t);
+void MathArray::append(MathArray const & ar)
+{
+ insert(size(), ar);
}
-void MathArray::push_back(MathArray const & ar)
+void MathArray::erase(size_type pos)
{
- insert(size(), ar);
+ if (pos < size())
+ erase(pos, pos + 1);
}
-void MathArray::clear()
+void MathArray::erase(iterator pos1, iterator pos2)
{
- erase();
+ base_type::erase(pos1, pos2);
}
-void MathArray::swap(MathArray & ar)
+void MathArray::erase(iterator pos)
{
- if (this != &ar)
- bf_.swap(ar.bf_);
+ base_type::erase(pos);
}
-bool MathArray::empty() const
+void MathArray::erase(size_type pos1, size_type pos2)
{
- return bf_.empty();
+ base_type::erase(begin() + pos1, begin() + pos2);
}
-MathArray::size_type MathArray::size() const
+void MathArray::dump2() const
{
- return bf_.size();
+ NormalStream ns(lyxerr);
+ for (const_iterator it = begin(); it != end(); ++it)
+ ns << *it << ' ';
}
-void MathArray::erase()
+void MathArray::dump() const
{
- bf_.erase(begin(), end());
+ NormalStream ns(lyxerr);
+ for (const_iterator it = begin(); it != end(); ++it)
+ ns << '<' << *it << '>';
}
-void MathArray::erase(size_type pos)
+void MathArray::validate(LaTeXFeatures & features) const
{
- if (pos < size())
- erase(pos, pos + 1);
+ for (const_iterator it = begin(); it != end(); ++it)
+ (*it)->validate(features);
}
-void MathArray::erase(iterator pos1, iterator pos2)
+bool MathArray::match(MathArray const & ar) const
{
- bf_.erase(pos1, pos2);
+ return size() == ar.size() && matchpart(ar, 0);
}
-void MathArray::erase(iterator pos)
+bool MathArray::matchpart(MathArray const & ar, pos_type pos) const
{
- bf_.erase(pos);
+ if (size() < ar.size() + pos)
+ return false;
+ const_iterator it = begin() + pos;
+ for (const_iterator jt = ar.begin(); jt != ar.end(); ++jt, ++it)
+ if (!(*jt)->match(*it))
+ return false;
+ return true;
}
-void MathArray::erase(size_type pos1, size_type pos2)
+void MathArray::replace(ReplaceData & rep)
{
- bf_.erase(begin() + pos1, begin() + pos2);
+ for (size_type i = 0; i < size(); ++i) {
+ if (find1(rep.from, i)) {
+ // match found
+ lyxerr << "match found!\n";
+ erase(i, i + rep.from.size());
+ insert(i, rep.to);
+ }
+ }
+
+#ifdef WITH_WARNINGS
+#warning temporarily disabled
+ // for (const_iterator it = begin(); it != end(); ++it)
+ // it->nucleus()->replace(rep);
+#endif
}
-MathAtom & MathArray::back()
+bool MathArray::find1(MathArray const & ar, size_type pos) const
{
- return bf_.back();
+ //lyxerr << "finding '" << ar << "' in '" << *this << "'\n";
+ for (size_type i = 0, n = ar.size(); i < n; ++i)
+ if (!operator[](pos + i)->match(ar[i]))
+ return false;
+ return true;
}
-MathAtom & MathArray::front()
+MathArray::size_type MathArray::find(MathArray const & ar) const
{
- return bf_.front();
+ for (int i = 0, last = size() - ar.size(); i < last; ++i)
+ if (find1(ar, i))
+ return i;
+ return size();
}
-MathAtom const & MathArray::front() const
+MathArray::size_type MathArray::find_last(MathArray const & ar) const
{
- return bf_.front();
+ for (int i = size() - ar.size(); i >= 0; --i)
+ if (find1(ar, i))
+ return i;
+ return size();
}
-void MathArray::dump2() const
+bool MathArray::contains(MathArray const & ar) const
{
- NormalStream ns(lyxerr);
+ if (find(ar) != size())
+ return true;
for (const_iterator it = begin(); it != end(); ++it)
- ns << it->nucleus() << ' ';
+ if ((*it)->contains(ar))
+ return true;
+ return false;
}
-void MathArray::dump() const
+void MathArray::touch() const
{
- NormalStream ns(lyxerr);
- for (const_iterator it = begin(); it != end(); ++it)
- ns << "<" << it->nucleus() << ">";
+ clean_ = false;
+ drawn_ = false;
}
-void MathArray::validate(LaTeXFeatures & features) const
+Dimension const & MathArray::metrics(MathMetricsInfo & mi) const
{
- for (const_iterator it = begin(); it != end(); ++it)
- if (it->nucleus())
- it->nucleus()->validate(features);
+ //if (clean_)
+ // return;
+ clean_ = true;
+ drawn_ = false;
+
+ mathed_char_dim(mi.base.font, 'I', dim_);
+ if (empty())
+ return dim_;
+
+ dim_.w = 0;
+ for (const_iterator it = begin(), et = end(); it != et; ++it) {
+ (*it)->metrics(mi);
+ dim_ += (*it)->dimensions();
+ }
+ return dim_;
}
-void MathArray::pop_back()
-{
- if (!size()) {
- lyxerr << "pop_back from empty array!\n";
+void MathArray::draw(MathPainterInfo & pi, int x, int y) const
+{
+ //if (drawn_ && x == xo_ && y == yo_)
+ // return;
+ //lyxerr << "MathArray::draw: x: " << x << " y: " << y << endl;
+
+ xo_ = x;
+ yo_ = y;
+ drawn_ = true;
+
+ if (y + descent() <= 0) // don't draw above the workarea
+ return;
+ if (y - ascent() >= pi.pain.paperHeight()) // don't draw below the workarea
+ return;
+ if (x + width() <= 0) // don't draw left of workarea
+ return;
+ if (x >= pi.pain.paperWidth()) // don't draw right of workarea
return;
+
+ if (empty()) {
+ pi.pain.rectangle(x, y - ascent(), width(), height(), LColor::mathline);
+ return;
+ }
+
+ for (const_iterator it = begin(), et = end(); it != et; ++it) {
+ (*it)->draw(pi, x, y);
+ x += (*it)->width();
}
- bf_.pop_back();
}
-MathArray::const_iterator MathArray::begin() const
+Dimension const & MathArray::metricsT(TextMetricsInfo const & mi) const
{
- return bf_.begin();
+ //if (clean_)
+ // return;
+ dim_.clear();
+ for (const_iterator it = begin(); it != end(); ++it) {
+ (*it)->metricsT(mi);
+ dim_ += (*it)->dimensions();
+ }
+ return dim_;
}
-MathArray::const_iterator MathArray::end() const
+void MathArray::drawT(TextPainter & pain, int x, int y) const
{
- return bf_.end();
+ //if (drawn_ && x == xo_ && y == yo_)
+ // return;
+ //lyxerr << "x: " << x << " y: " << y << ' ' << pain.workAreaHeight() << endl;
+ xo_ = x;
+ yo_ = y;
+ drawn_ = true;
+
+ for (const_iterator it = begin(), et = end(); it != et; ++it) {
+ (*it)->drawT(pain, x, y);
+ x += (*it)->width();
+ }
}
-MathArray::iterator MathArray::begin()
+int MathArray::pos2x(size_type pos) const
{
- return bf_.begin();
+ return pos2x(0, pos, 0);
}
-MathArray::iterator MathArray::end()
+int MathArray::pos2x(size_type pos1, size_type pos2, int glue) const
{
- return bf_.end();
+ int x = 0;
+ size_type target = min(pos2, size());
+ for (size_type i = pos1; i < target; ++i) {
+ const_iterator it = begin() + i;
+ if ((*it)->getChar() == ' ')
+ x += glue;
+ x += (*it)->width();
+ }
+ return x;
}
-bool MathArray::match(MathArray const & ar) const
+MathArray::size_type MathArray::x2pos(int targetx) const
{
- if (size() != ar.size())
- return false;
- for (const_iterator it = begin(), jt = ar.begin(); it != end(); ++it, ++jt)
- if (!it->nucleus()->match(jt->nucleus()))
- return false;
- return true;
+ return x2pos(0, targetx, 0);
}
-void MathArray::replace(ReplaceData & rep)
+MathArray::size_type MathArray::x2pos(size_type startpos, int targetx,
+ int glue) const
{
- for (size_type i = 0; i < size(); ++i) {
- iterator it = begin() + i;
- const_iterator rt = rep.from.begin();
- const_iterator et = rep.from.end();
- for (const_iterator jt = it; jt != end() && rt != et; ++jt, ++rt)
- if (!jt->nucleus()->match(rt->nucleus()))
- break;
- if (rt == et) {
- // match found
- lyxerr << "match found!\n";
- erase(it, it + rep.from.size());
- insert(i, rep.to);
+ const_iterator it = begin() + startpos;
+ int lastx = 0;
+ int currx = 0;
+ for (; currx < targetx && it < end(); ++it) {
+ lastx = currx;
+ if ((*it)->getChar() == ' ')
+ currx += glue;
+ currx += (*it)->width();
+ }
+ if (abs(lastx - targetx) < abs(currx - targetx) && it != begin() + startpos)
+ --it;
+ return it - begin();
+}
+
+
+int MathArray::dist(int x, int y) const
+{
+ int xx = 0;
+ int yy = 0;
+
+ if (x < xo_)
+ xx = xo_ - x;
+ else if (x > xo_ + width())
+ xx = x - xo_ - width();
+
+ if (y < yo_ - ascent())
+ yy = yo_ - ascent() - y;
+ else if (y > yo_ + descent())
+ yy = y - yo_ - descent();
+
+ return xx + yy;
+}
+
+
+void MathArray::boundingBox(int & x1, int & x2, int & y1, int & y2)
+{
+ x1 = xo_;
+ x2 = xo_ + width();
+ y1 = yo_ - ascent();
+ y2 = yo_ + descent();
+}
+
+void MathArray::center(int & x, int & y) const
+{
+ x = xo_ + width() / 2;
+ y = yo_ + (descent() - ascent()) / 2;
+}
+
+
+void MathArray::towards(int & x, int & y) const
+{
+ int cx = 0;
+ int cy = 0;
+ center(cx, cy);
+
+ double r = 1.0;
+ //int dist = (x - cx) * (x - cx) + (y - cy) * (y - cy);
+
+ x = cx + int(r * (x - cx));
+ y = cy + int(r * (y - cy));
+}
+
+
+void MathArray::setXY(int x, int y) const
+{
+ xo_ = x;
+ yo_ = y;
+}
+
+
+void MathArray::notifyCursorLeaves()
+{
+ // do not recurse!
+
+ // remove base-only "scripts"
+ for (pos_type i = 0; i + 1 < size(); ++i) {
+ MathScriptInset * p = operator[](i).nucleus()->asScriptInset();
+ if (p && p->cell(0).empty() && p->cell(1).empty()) {
+ MathArray ar = p->nuc();
+ erase(i);
+ insert(i, ar);
+ mathcursor->adjust(i, ar.size() - 1);
+ }
+ }
+
+ // glue adjacent font insets of the same kind
+ for (pos_type i = 0; i + 1 < size(); ++i) {
+ MathFontInset * p = operator[](i).nucleus()->asFontInset();
+ MathFontInset const * q = operator[](i + 1)->asFontInset();
+ if (p && q && p->name() == q->name()) {
+ p->cell(0).append(q->cell(0));
+ erase(i + 1);
+ mathcursor->adjust(i, -1);
}
}
- for (const_iterator it = begin(); it != end(); ++it)
- it->nucleus()->replace(rep);
}
projects / lyx.git / blobdiff