#endif
#include "math_gridinset.h"
-#include "support/LOstream.h"
+#include "math_mathmlstream.h"
+#include "math_streamstr.h"
+#include "lyxfont.h"
+#include "Painter.h"
#include "debug.h"
namespace {
///
-int const MATH_COLSEP = 10;
+int const COLSEP = 6;
///
-int const MATH_ROWSEP = 10;
+int const ROWSEP = 6;
///
-int const MATH_BORDER = 2;
+int const HLINESEP = 3;
+///
+int const VLINESEP = 3;
+///
+int const BORDER = 2;
+
+
+string verboseHLine(int n)
+{
+ string res;
+ for (int i = 0; i < n; ++i)
+ res += "\\hline";
+ return res + ' ';
+}
}
+//////////////////////////////////////////////////////////////
+
+
MathGridInset::RowInfo::RowInfo()
- : upperline_(false), lowerline_(false)
+ : lines_(0), skip_(0)
{}
+
int MathGridInset::RowInfo::skipPixels() const
{
#ifdef WITH_WARNINGS
-#warning fix this once the interface to LyXLength has oimproved
+#warning fix this once the interface to LyXLength has improved
#endif
- return int(skip_.value());
+ return int(crskip_.value());
}
+//////////////////////////////////////////////////////////////
+
+
MathGridInset::ColInfo::ColInfo()
- : h_align_('c'), leftline_(false), rightline_(false)
+ : align_('c'), leftline_(false), rightline_(false), lines_(0)
{}
-MathGridInset::MathGridInset(int m, int n)
- : MathNestInset(m * n), rowinfo_(n), colinfo_(m), v_align_('c')
+//////////////////////////////////////////////////////////////
+
+
+MathGridInset::MathGridInset(char v, string const & h)
+ : MathNestInset(guessColumns(h)), rowinfo_(2), colinfo_(guessColumns(h) + 1)
{
- if (m <= 0)
- lyxerr << "positve number of columns expected\n";
- if (n <= 0)
- lyxerr << "positve number of rows expected\n";
+ setDefaults();
+ valign(v);
+ halign(h);
}
-int MathGridInset::index(int row, int col) const
+MathGridInset::MathGridInset(col_type m, row_type n)
+ : MathNestInset(m * n), rowinfo_(n + 1), colinfo_(m + 1), v_align_('c')
+{
+ setDefaults();
+}
+
+
+MathGridInset::MathGridInset(col_type m, row_type n, char v, string const & h)
+ : MathNestInset(m * n), rowinfo_(n + 1), colinfo_(m + 1), v_align_(v)
+{
+ setDefaults();
+ valign(v);
+ halign(h);
+}
+
+
+MathInset * MathGridInset::clone() const
+{
+ return new MathGridInset(*this);
+}
+
+
+MathInset::idx_type MathGridInset::index(row_type row, col_type col) const
{
return col + ncols() * row;
}
+void MathGridInset::setDefaults()
+{
+ if (ncols() <= 0)
+ lyxerr << "positive number of columns expected\n";
+ if (nrows() <= 0)
+ lyxerr << "positive number of rows expected\n";
+ for (col_type col = 0; col < ncols(); ++col) {
+ colinfo_[col].align_ = defaultColAlign(col);
+ colinfo_[col].skip_ = defaultColSpace(col);
+ }
+}
+
void MathGridInset::halign(string const & hh)
{
- int n = hh.size();
+ col_type col = 0;
+ for (string::const_iterator it = hh.begin(); it != hh.end(); ++it) {
+ char c = *it;
+ if (c == '|') {
+ colinfo_[col].lines_++;
+ } else if (c == 'c' || c == 'l' || c == 'r') {
+ colinfo_[col].align_ = c;
+ ++col;
+ colinfo_[col].lines_ = 0;
+ } else {
+ lyxerr << "unkown column separator: '" << c << "'\n";
+ }
+ }
+
+/*
+ col_type n = hh.size();
if (n > ncols())
n = ncols();
- for (int i = 0; i < n; ++i)
- colinfo_[i].h_align_ = hh[i];
+ for (col_type col = 0; col < n; ++col)
+ colinfo_[col].align_ = hh[col];
+*/
+}
+
+
+MathGridInset::col_type MathGridInset::guessColumns(string const & hh) const
+{
+ col_type col = 0;
+ for (string::const_iterator it = hh.begin(); it != hh.end(); ++it)
+ if (*it == 'c' || *it == 'l' || *it == 'r')
+ ++col;
+ return col;
}
-void MathGridInset::halign(char h, int col)
+void MathGridInset::halign(char h, col_type col)
{
- colinfo_[col].h_align_ = h;
+ colinfo_[col].align_ = h;
}
-char MathGridInset::halign(int col) const
+char MathGridInset::halign(col_type col) const
{
- return colinfo_[col].h_align_;
+ return colinfo_[col].align_;
}
+string MathGridInset::halign() const
+{
+ string res;
+ for (col_type col = 0; col < ncols(); ++col) {
+ res += string(colinfo_[col].lines_, '|');
+ res += colinfo_[col].align_;
+ }
+ return res + string(colinfo_[ncols()].lines_, '|');
+}
+
void MathGridInset::valign(char c)
{
}
+MathGridInset::col_type MathGridInset::ncols() const
+{
+ return colinfo_.size() - 1;
+}
+
-void MathGridInset::vskip(LyXLength const & skip, int row)
+MathGridInset::row_type MathGridInset::nrows() const
{
- rowinfo_[row].skip_ = skip;
+ return rowinfo_.size() - 1;
}
-LyXLength MathGridInset::vskip(int row) const
+MathGridInset::col_type MathGridInset::col(idx_type idx) const
{
- return rowinfo_[row].skip_;
+ return idx % ncols();
}
-void MathGridInset::metrics(MathStyles st) const
+MathGridInset::row_type MathGridInset::row(idx_type idx) const
+{
+ return idx / ncols();
+}
+
+
+void MathGridInset::vcrskip(LyXLength const & crskip, row_type row)
+{
+ rowinfo_[row].crskip_ = crskip;
+}
+
+
+LyXLength MathGridInset::vcrskip(row_type row) const
+{
+ return rowinfo_[row].crskip_;
+}
+
+
+void MathGridInset::metrics(MathMetricsInfo const & mi) const
{
// let the cells adjust themselves
- MathNestInset::metrics(st);
- size_ = st;
+ MathNestInset::metrics(mi);
- // adjust vertical structure
- for (int row = 0; row < nrows(); ++row) {
+ // compute absolute sizes of vertical structure
+ for (row_type row = 0; row < nrows(); ++row) {
int asc = 0;
int desc = 0;
- for (int col = 0; col < ncols(); ++col) {
+ for (col_type col = 0; col < ncols(); ++col) {
MathXArray const & c = xcell(index(row, col));
asc = std::max(asc, c.ascent());
desc = std::max(desc, c.descent());
}
rowinfo_[row].ascent_ = asc;
rowinfo_[row].descent_ = desc;
-
- if (row)
- rowinfo_[row].offset_ =
- rowinfo_[row - 1].offset_ +
- rowinfo_[row - 1].descent_ +
- rowinfo_[row - 1].skipPixels() +
- MATH_ROWSEP +
- rowinfo_[row].ascent_;
- else
- rowinfo_[row].offset_ = 0;
+ }
+ rowinfo_[0].ascent_ += HLINESEP * rowinfo_[0].lines_;
+ rowinfo_[nrows()].ascent_ = 0;
+ rowinfo_[nrows()].descent_ = 0;
+
+ // compute vertical offsets
+ rowinfo_[0].offset_ = 0;
+ for (row_type row = 1; row <= nrows(); ++row) {
+ rowinfo_[row].offset_ =
+ rowinfo_[row - 1].offset_ +
+ rowinfo_[row - 1].descent_ +
+ rowinfo_[row - 1].skipPixels() +
+ ROWSEP +
+ rowinfo_[row].lines_ * HLINESEP +
+ rowinfo_[row].ascent_;
}
// adjust vertical offset
int h = 0;
switch (v_align_) {
- case 't':
- h = 0;
- break;
- case 'b':
- h = rowinfo_.back().offset_;
- break;
- default:
- h = rowinfo_.back().offset_ / 2;
+ case 't':
+ h = 0;
+ break;
+ case 'b':
+ h = rowinfo_[nrows() - 1].offset_;
+ break;
+ default:
+ h = rowinfo_[nrows() - 1].offset_ / 2;
}
-
- for (int row = 0; row < nrows(); ++row) {
+ for (row_type row = 0; row <= nrows(); ++row)
rowinfo_[row].offset_ -= h;
- rowinfo_[row].offset_ += MATH_BORDER;
- }
- // adjust horizontal structure
- for (int col = 0; col < ncols(); ++col) {
- int wid = 0;
- for (int row = 0; row < nrows(); ++row)
+
+ // compute absolute sizes of horizontal structure
+ for (col_type col = 0; col < ncols(); ++col) {
+ int wid = 0;
+ for (row_type row = 0; row < nrows(); ++row)
wid = std::max(wid, xcell(index(row, col)).width());
- colinfo_[col].width_ = wid;
- colinfo_[col].offset_ = colinfo_[col].width_;
+ colinfo_[col].width_ = wid;
+ }
+ colinfo_[ncols()].width_ = 0;
+
+ // compute horizontal offsets
+ colinfo_[0].offset_ = BORDER;
+ for (col_type col = 1; col <= ncols(); ++col) {
+ colinfo_[col].offset_ =
+ colinfo_[col - 1].offset_ +
+ colinfo_[col - 1].width_ +
+ colinfo_[col - 1].skip_ +
+ COLSEP +
+ colinfo_[col].lines_ * VLINESEP;
+ }
- if (col)
- colinfo_[col].offset_ =
- colinfo_[col - 1].offset_ + colinfo_[col - 1].width_ + MATH_COLSEP;
- else
- colinfo_[col].offset_ = 0;
- colinfo_[col].offset_ += MATH_BORDER;
- }
+ width_ = colinfo_[ncols() - 1].offset_
+ + colinfo_[ncols() - 1].width_
+ + VLINESEP * colinfo_[ncols()].lines_
+ + BORDER;
+
+ ascent_ = - rowinfo_[0].offset_
+ + rowinfo_[0].ascent_
+ + HLINESEP * rowinfo_[0].lines_
+ + BORDER;
+
+ descent_ = rowinfo_[nrows() - 1].offset_
+ + rowinfo_[nrows() - 1].descent_
+ + HLINESEP * rowinfo_[nrows()].lines_
+ + BORDER;
+
- width_ = colinfo_.back().offset_ + colinfo_.back().width_;
- ascent_ = - rowinfo_.front().offset_ + rowinfo_.front().ascent_;
- descent_ = rowinfo_.back().offset_ + rowinfo_.back().descent_;
-
/*
// Increase ws_[i] for 'R' columns (except the first one)
for (int i = 1; i < nc_; ++i)
- if (h_align_[i] == 'R')
+ if (align_[i] == 'R')
ws_[i] += 10 * df_width;
// Increase ws_[i] for 'C' column
- if (h_align_[0] == 'C')
+ if (align_[0] == 'C')
if (ws_[0] < 7 * workwidth / 8)
ws_[0] = 7 * workwidth / 8;
// Adjust local tabs
- width = MATH_COLSEP;
+ width = COLSEP;
for (cxrow = row_.begin(); cxrow; ++cxrow) {
- int rg = MATH_COLSEP;
+ int rg = COLSEP;
int lf = 0;
for (int i = 0; i < nc_; ++i) {
bool isvoid = false;
cxrow->setTab(i, df_width);
isvoid = true;
}
- switch (h_align_[i]) {
+ switch (align_[i]) {
case 'l':
lf = 0;
break;
}
int const ww = (isvoid) ? lf : lf + cxrow->getTab(i);
cxrow->setTab(i, lf + rg);
- rg = ws_[i] - ww + MATH_COLSEP;
+ rg = ws_[i] - ww + COLSEP;
if (cxrow == row_.begin())
- width += ws_[i] + MATH_COLSEP;
+ width += ws_[i] + COLSEP;
}
cxrow->setBaseline(cxrow->getBaseline() - ascent);
}
void MathGridInset::draw(Painter & pain, int x, int y) const
{
- xo(x);
- yo(y);
- for (int idx = 0; idx < nargs(); ++idx)
+ for (idx_type idx = 0; idx < nargs(); ++idx)
xcell(idx).draw(pain, x + cellXOffset(idx), y + cellYOffset(idx));
-}
+ for (row_type row = 0; row <= nrows(); ++row)
+ for (int i = 0; i < rowinfo_[row].lines_; ++i) {
+ int yy = y + rowinfo_[row].offset_ - rowinfo_[row].ascent_
+ - i * HLINESEP - HLINESEP/2 - ROWSEP/2;
+ pain.line(x + 1, yy, x + width_ - 1, yy);
+ }
-void MathGridInset::write(std::ostream & os, bool fragile) const
-{
- for (int row = 0; row < nrows(); ++row) {
- for (int col = 0; col < ncols(); ++col) {
- cell(index(row, col)).write(os, fragile);
- os << eocString(col);
+ for (col_type col = 0; col <= ncols(); ++col)
+ for (int i = 0; i < colinfo_[col].lines_; ++i) {
+ int xx = x + colinfo_[col].offset_
+ - i * VLINESEP - VLINESEP/2 - COLSEP/2;
+ pain.line(xx, y - ascent_ + 1, xx, y + descent_ - 1);
}
- os << eolString(row);
- }
}
-string MathGridInset::eolString(int row) const
+string MathGridInset::eolString(row_type row) const
{
- if (row == nrows() - 1)
- return "";
+ string eol;
- if (rowinfo_[row].skip_ != LyXLength())
- return "\\\\[" + rowinfo_[row].skip_.asLatexString() + "]\n";
+ if (!rowinfo_[row].crskip_.zero())
+ eol += "[" + rowinfo_[row].crskip_.asLatexString() + "]";
// make sure an upcoming '[' does not break anything
- MathArray const & c = cell(index(row + 1, 0));
- if (c.size() && (*c.begin())->getChar() == '[')
- return "\\\\[0pt]\n";
+ if (row + 1 < nrows()) {
+ MathArray const & c = cell(index(row + 1, 0));
+ if (c.size() && c.front()->getChar() == '[')
+ eol += "[0pt]";
+ }
- return "\\\\\n";
+ // only add \\ if necessary
+ if (eol.empty() && row + 1 == nrows())
+ return string();
+
+ return "\\\\" + eol + '\n';
}
-string MathGridInset::eocString(int col) const
+string MathGridInset::eocString(col_type col) const
{
- if (col == ncols() - 1)
- return "";
+ if (col + 1 == ncols())
+ return string();
return " & ";
}
-void MathGridInset::addRow(int row)
+void MathGridInset::addRow(row_type row)
{
rowinfo_.insert(rowinfo_.begin() + row + 1, RowInfo());
cells_.insert(cells_.begin() + (row + 1) * ncols(), ncols(), MathXArray());
void MathGridInset::appendRow()
{
rowinfo_.push_back(RowInfo());
- for (int i = 0; i < ncols(); ++i)
+ //cells_.insert(cells_.end(), ncols(), MathXArray());
+ for (col_type col = 0; col < ncols(); ++col)
cells_.push_back(cells_type::value_type());
}
-void MathGridInset::delRow(int row)
+void MathGridInset::delRow(row_type row)
{
if (nrows() == 1)
return;
}
-void MathGridInset::addCol(int newcol)
+void MathGridInset::addCol(col_type newcol)
{
- int const nc = ncols();
- int const nr = nrows();
+ const col_type nc = ncols();
+ const row_type nr = nrows();
cells_type new_cells((nc + 1) * nr);
- for (int row = 0; row < nr; ++row)
- for (int col = 0; col < nc; ++col)
+ for (row_type row = 0; row < nr; ++row)
+ for (col_type col = 0; col < nc; ++col)
new_cells[row * (nc + 1) + col + (col > newcol)]
= cells_[row * nc + col];
std::swap(cells_, new_cells);
- colinfo_.insert(colinfo_.begin() + newcol, ColInfo());
+ ColInfo inf;
+ inf.skip_ = defaultColSpace(newcol);
+ inf.align_ = defaultColAlign(newcol);
+ colinfo_.insert(colinfo_.begin() + newcol, inf);
}
-void MathGridInset::delCol(int col)
+void MathGridInset::delCol(col_type col)
{
if (ncols() == 1)
return;
cells_type tmpcells;
- for (int i = 0; i < nargs(); ++i)
+ for (col_type i = 0; i < nargs(); ++i)
if (i % ncols() != col)
tmpcells.push_back(cells_[i]);
std::swap(cells_, tmpcells);
}
-int MathGridInset::cellXOffset(int idx) const
+int MathGridInset::cellXOffset(idx_type idx) const
{
- int c = col(idx);
+ col_type c = col(idx);
int x = colinfo_[c].offset_;
- char align = colinfo_[c].h_align_;
+ char align = colinfo_[c].align_;
if (align == 'r' || align == 'R')
x += colinfo_[c].width_ - xcell(idx).width();
if (align == 'c' || align == 'C')
}
-int MathGridInset::cellYOffset(int idx) const
+int MathGridInset::cellYOffset(idx_type idx) const
{
return rowinfo_[row(idx)].offset_;
}
-bool MathGridInset::idxUp(int & idx, int & pos) const
+bool MathGridInset::idxUp(idx_type & idx) const
{
if (idx < ncols())
return false;
idx -= ncols();
- pos = 0;
return true;
}
-bool MathGridInset::idxDown(int & idx, int & pos) const
+bool MathGridInset::idxDown(idx_type & idx) const
{
if (idx >= ncols() * (nrows() - 1))
return false;
idx += ncols();
- pos = 0;
return true;
}
-bool MathGridInset::idxLeft(int & idx, int & pos) const
+bool MathGridInset::idxLeft(idx_type & idx, pos_type & pos) const
{
// leave matrix if on the left hand edge
if (col(idx) == 0)
return false;
- idx--;
+ --idx;
pos = cell(idx).size();
return true;
}
-bool MathGridInset::idxRight(int & idx, int & pos) const
+bool MathGridInset::idxRight(idx_type & idx, pos_type & pos) const
{
// leave matrix if on the right hand edge
- if (col(idx) == ncols() - 1)
+ if (col(idx) + 1 == ncols())
return false;
- idx++;
+ ++idx;
pos = 0;
return true;
}
-bool MathGridInset::idxFirst(int & idx, int & pos) const
+bool MathGridInset::idxFirst(idx_type & idx, pos_type & pos) const
{
switch (v_align_) {
case 't':
idx = (nrows() - 1) * ncols();
break;
default:
- idx = (nrows() / 2) * ncols();
+ idx = ((nrows() - 1) / 2) * ncols();
}
pos = 0;
return true;
}
-bool MathGridInset::idxLast(int & idx, int & pos) const
+bool MathGridInset::idxLast(idx_type & idx, pos_type & pos) const
{
switch (v_align_) {
case 't':
idx = nargs() - 1;
break;
default:
- idx = (nrows() / 2 + 1) * ncols() - 1;
+ idx = ((nrows() - 1) / 2 + 1) * ncols() - 1;
}
pos = cell(idx).size();
return true;
}
-void MathGridInset::idxDelete(int & idx, bool & popit, bool & deleteit)
+bool MathGridInset::idxHome(idx_type & idx, pos_type & pos) const
+{
+ if (pos > 0) {
+ pos = 0;
+ return true;
+ }
+ if (col(idx) > 0) {
+ idx -= idx % ncols();
+ pos = 0;
+ return true;
+ }
+ if (idx > 0) {
+ idx = 0;
+ pos = 0;
+ return true;
+ }
+ return false;
+}
+
+
+bool MathGridInset::idxEnd(idx_type & idx, pos_type & pos) const
+{
+ if (pos < cell(idx).size()) {
+ pos = cell(idx).size();
+ return true;
+ }
+ if (col(idx) < ncols() - 1) {
+ idx = idx - idx % ncols() + ncols() - 1;
+ pos = cell(idx).size();
+ return true;
+ }
+ if (idx < nargs() - 1) {
+ idx = nargs() - 1;
+ pos = cell(idx).size();
+ return true;
+ }
+ return false;
+}
+
+
+void MathGridInset::idxDelete(idx_type & idx, bool & popit, bool & deleteit)
{
popit = false;
deleteit = false;
- // delete entire row if in first cell of empty row
- if (col(idx) == 0 && nrows() > 1) {
- bool deleterow = true;
- for (int i = idx; i < idx + ncols(); ++i)
- if (cell(i).size()) {
- deleterow = false;
- break;
- }
- if (deleterow)
- delRow(row(idx));
-
- if (idx >= nargs())
- idx = nargs() - 1;
+ // nothing to do if we are in the last row of the inset
+ if (row(idx) + 1 == nrows())
return;
- }
+
+ // try to delete entire sequence of ncols() empty cells if possible
+ for (idx_type i = idx; i < idx + ncols(); ++i)
+ if (cell(i).size())
+ return;
+
+ // move cells if necessary
+ for (idx_type i = index(row(idx), 0); i < idx; ++i)
+ cell(i).swap(cell(i + ncols()));
+
+ delRow(row(idx));
+
+ if (idx >= nargs())
+ idx = nargs() - 1;
// undo effect of Ctrl-Tab (i.e. pull next cell)
- //if (idx != nargs() - 1)
+ //if (idx + 1 != nargs())
// cell(idx).swap(cell(idx + 1));
}
-void MathGridInset::idxDeleteRange(int /*from*/, int /*to*/)
+void MathGridInset::idxDeleteRange(idx_type /*from*/, idx_type /*to*/)
{
// leave this unimplemented unless someone wants to have it.
/*
}
-MathGridInset::RowInfo const & MathGridInset::rowinfo(int i) const
+MathGridInset::RowInfo const & MathGridInset::rowinfo(row_type row) const
{
- return rowinfo_[i];
+ return rowinfo_[row];
}
-MathGridInset::RowInfo & MathGridInset::rowinfo(int i)
+MathGridInset::RowInfo & MathGridInset::rowinfo(row_type row)
{
- return rowinfo_[i];
+ return rowinfo_[row];
}
-std::vector<int> MathGridInset::idxBetween(int from, int to) const
+std::vector<MathInset::idx_type>
+ MathGridInset::idxBetween(idx_type from, idx_type to) const
{
- int r1 = std::min(row(from), row(to));
- int r2 = std::max(row(from), row(to));
- int c1 = std::min(col(from), col(to));
- int c2 = std::max(col(from), col(to));
- std::vector<int> res;
- for (int i = r1; i <= r2; ++i)
- for (int j = c1; j <= c2; ++j)
+ row_type r1 = std::min(row(from), row(to));
+ row_type r2 = std::max(row(from), row(to));
+ col_type c1 = std::min(col(from), col(to));
+ col_type c2 = std::max(col(from), col(to));
+ std::vector<idx_type> res;
+ for (row_type i = r1; i <= r2; ++i)
+ for (col_type j = c1; j <= c2; ++j)
res.push_back(index(i, j));
return res;
}
+
+
+
+void MathGridInset::normalize(NormalStream & os) const
+{
+ os << "[grid ";
+ for (row_type row = 0; row < nrows(); ++row) {
+ os << "[row ";
+ for (col_type col = 0; col < ncols(); ++col)
+ os << "[cell " << cell(index(row, col)) << ']';
+ os << ']';
+ }
+ os << ']';
+}
+
+
+void MathGridInset::mathmlize(MathMLStream & os) const
+{
+ os << MTag("mtable");
+ for (row_type row = 0; row < nrows(); ++row) {
+ os << MTag("mtr");
+ for (col_type col = 0; col < ncols(); ++col)
+ os << cell(index(row, col));
+ os << ETag("mtr");
+ }
+ os << ETag("mtable");
+}
+
+
+void MathGridInset::write(WriteStream & os) const
+{
+ for (row_type row = 0; row < nrows(); ++row) {
+ os << verboseHLine(rowinfo_[row].lines_);
+ for (col_type col = 0; col < ncols(); ++col)
+ os << cell(index(row, col)) << eocString(col);
+ os << eolString(row);
+ }
+ string const s = verboseHLine(rowinfo_[nrows()].lines_);
+ if (!s.empty())
+ os << "\\\\" << s;
+}
+