5 #include "math_gridinset.h"
6 #include "math_mathmlstream.h"
7 #include "math_streamstr.h"
21 string verboseHLine(int n)
24 for (int i = 0; i < n; ++i)
32 //////////////////////////////////////////////////////////////
35 MathGridInset::RowInfo::RowInfo()
41 int MathGridInset::RowInfo::skipPixels() const
44 #warning fix this once the interface to LyXLength has improved
46 return int(crskip_.value());
51 //////////////////////////////////////////////////////////////
54 MathGridInset::ColInfo::ColInfo()
55 : align_('c'), leftline_(false), rightline_(false), lines_(0)
59 //////////////////////////////////////////////////////////////
62 MathGridInset::MathGridInset(char v, string const & h)
63 : MathNestInset(guessColumns(h)), rowinfo_(2), colinfo_(guessColumns(h) + 1)
71 MathGridInset::MathGridInset(col_type m, row_type n)
72 : MathNestInset(m * n), rowinfo_(n + 1), colinfo_(m + 1), v_align_('c')
78 MathGridInset::MathGridInset(col_type m, row_type n, char v, string const & h)
79 : MathNestInset(m * n), rowinfo_(n + 1), colinfo_(m + 1), v_align_(v)
87 MathInset * MathGridInset::clone() const
89 return new MathGridInset(*this);
93 MathInset::idx_type MathGridInset::index(row_type row, col_type col) const
95 return col + ncols() * row;
99 void MathGridInset::setDefaults()
102 lyxerr << "positive number of columns expected\n";
104 lyxerr << "positive number of rows expected\n";
105 for (col_type col = 0; col < ncols(); ++col) {
106 colinfo_[col].align_ = defaultColAlign(col);
107 colinfo_[col].skip_ = defaultColSpace(col);
112 void MathGridInset::halign(string const & hh)
115 for (string::const_iterator it = hh.begin(); it != hh.end(); ++it) {
118 colinfo_[col].lines_++;
119 } else if (c == 'c' || c == 'l' || c == 'r') {
120 colinfo_[col].align_ = c;
122 colinfo_[col].lines_ = 0;
124 lyxerr << "unkown column separator: '" << c << "'\n";
129 col_type n = hh.size();
132 for (col_type col = 0; col < n; ++col)
133 colinfo_[col].align_ = hh[col];
138 MathGridInset::col_type MathGridInset::guessColumns(string const & hh) const
141 for (string::const_iterator it = hh.begin(); it != hh.end(); ++it)
142 if (*it == 'c' || *it == 'l' || *it == 'r')
148 void MathGridInset::halign(char h, col_type col)
150 colinfo_[col].align_ = h;
154 char MathGridInset::halign(col_type col) const
156 return colinfo_[col].align_;
160 string MathGridInset::halign() const
163 for (col_type col = 0; col < ncols(); ++col) {
164 res += string(colinfo_[col].lines_, '|');
165 res += colinfo_[col].align_;
167 return res + string(colinfo_[ncols()].lines_, '|');
171 void MathGridInset::valign(char c)
177 char MathGridInset::valign() const
183 MathGridInset::col_type MathGridInset::ncols() const
185 return colinfo_.size() - 1;
189 MathGridInset::row_type MathGridInset::nrows() const
191 return rowinfo_.size() - 1;
195 MathGridInset::col_type MathGridInset::col(idx_type idx) const
197 return idx % ncols();
201 MathGridInset::row_type MathGridInset::row(idx_type idx) const
203 return idx / ncols();
207 void MathGridInset::vcrskip(LyXLength const & crskip, row_type row)
209 rowinfo_[row].crskip_ = crskip;
213 LyXLength MathGridInset::vcrskip(row_type row) const
215 return rowinfo_[row].crskip_;
219 void MathGridInset::metrics(MathMetricsInfo const & mi) const
221 // let the cells adjust themselves
222 MathNestInset::metrics(mi);
224 // compute absolute sizes of vertical structure
225 for (row_type row = 0; row < nrows(); ++row) {
228 for (col_type col = 0; col < ncols(); ++col) {
229 MathXArray const & c = xcell(index(row, col));
230 asc = max(asc, c.ascent());
231 desc = max(desc, c.descent());
233 rowinfo_[row].ascent_ = asc;
234 rowinfo_[row].descent_ = desc;
236 rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
237 rowinfo_[nrows()].ascent_ = 0;
238 rowinfo_[nrows()].descent_ = 0;
240 // compute vertical offsets
241 rowinfo_[0].offset_ = 0;
242 for (row_type row = 1; row <= nrows(); ++row) {
243 rowinfo_[row].offset_ =
244 rowinfo_[row - 1].offset_ +
245 rowinfo_[row - 1].descent_ +
246 rowinfo_[row - 1].skipPixels() +
248 rowinfo_[row].lines_ * hlinesep() +
249 rowinfo_[row].ascent_;
252 // adjust vertical offset
259 h = rowinfo_[nrows() - 1].offset_;
262 h = rowinfo_[nrows() - 1].offset_ / 2;
264 for (row_type row = 0; row <= nrows(); ++row)
265 rowinfo_[row].offset_ -= h;
268 // compute absolute sizes of horizontal structure
269 for (col_type col = 0; col < ncols(); ++col) {
271 for (row_type row = 0; row < nrows(); ++row)
272 wid = max(wid, xcell(index(row, col)).width());
273 colinfo_[col].width_ = wid;
275 colinfo_[ncols()].width_ = 0;
277 // compute horizontal offsets
278 colinfo_[0].offset_ = border();
279 for (col_type col = 1; col <= ncols(); ++col) {
280 colinfo_[col].offset_ =
281 colinfo_[col - 1].offset_ +
282 colinfo_[col - 1].width_ +
283 colinfo_[col - 1].skip_ +
285 colinfo_[col].lines_ * vlinesep();
289 width_ = colinfo_[ncols() - 1].offset_
290 + colinfo_[ncols() - 1].width_
291 + vlinesep() * colinfo_[ncols()].lines_
294 ascent_ = - rowinfo_[0].offset_
295 + rowinfo_[0].ascent_
296 + hlinesep() * rowinfo_[0].lines_
299 descent_ = rowinfo_[nrows() - 1].offset_
300 + rowinfo_[nrows() - 1].descent_
301 + hlinesep() * rowinfo_[nrows()].lines_
306 // Increase ws_[i] for 'R' columns (except the first one)
307 for (int i = 1; i < nc_; ++i)
308 if (align_[i] == 'R')
309 ws_[i] += 10 * df_width;
310 // Increase ws_[i] for 'C' column
311 if (align_[0] == 'C')
312 if (ws_[0] < 7 * workwidth / 8)
313 ws_[0] = 7 * workwidth / 8;
317 for (cxrow = row_.begin(); cxrow; ++cxrow) {
320 for (int i = 0; i < nc_; ++i) {
322 if (cxrow->getTab(i) <= 0) {
323 cxrow->setTab(i, df_width);
331 lf = (ws_[i] - cxrow->getTab(i))/2;
335 lf = ws_[i] - cxrow->getTab(i);
338 if (cxrow == row_.begin())
340 else if (cxrow.is_last())
341 lf = ws_[i] - cxrow->getTab(i);
343 lf = (ws_[i] - cxrow->getTab(i))/2;
346 int const ww = (isvoid) ? lf : lf + cxrow->getTab(i);
347 cxrow->setTab(i, lf + rg);
348 rg = ws_[i] - ww + colsep();
349 if (cxrow == row_.begin())
350 width += ws_[i] + colsep();
352 cxrow->setBaseline(cxrow->getBaseline() - ascent);
358 void MathGridInset::draw(Painter & pain, int x, int y) const
360 for (idx_type idx = 0; idx < nargs(); ++idx)
361 xcell(idx).draw(pain, x + cellXOffset(idx), y + cellYOffset(idx));
363 for (row_type row = 0; row <= nrows(); ++row)
364 for (int i = 0; i < rowinfo_[row].lines_; ++i) {
365 int yy = y + rowinfo_[row].offset_ - rowinfo_[row].ascent_
366 - i * hlinesep() - hlinesep()/2 - rowsep()/2;
367 pain.line(x + 1, yy, x + width_ - 1, yy);
370 for (col_type col = 0; col <= ncols(); ++col)
371 for (int i = 0; i < colinfo_[col].lines_; ++i) {
372 int xx = x + colinfo_[col].offset_
373 - i * vlinesep() - vlinesep()/2 - colsep()/2;
374 pain.line(xx, y - ascent_ + 1, xx, y + descent_ - 1);
379 string MathGridInset::eolString(row_type row) const
383 if (!rowinfo_[row].crskip_.zero())
384 eol += "[" + rowinfo_[row].crskip_.asLatexString() + "]";
386 // make sure an upcoming '[' does not break anything
387 if (row + 1 < nrows()) {
388 MathArray const & c = cell(index(row + 1, 0));
389 if (c.size() && c.front()->getChar() == '[')
394 // only add \\ if necessary
395 if (eol.empty() && row + 1 == nrows())
398 return "\\\\" + eol + '\n';
402 string MathGridInset::eocString(col_type col) const
404 if (col + 1 == ncols())
410 void MathGridInset::addRow(row_type row)
412 rowinfo_.insert(rowinfo_.begin() + row + 1, RowInfo());
413 cells_.insert(cells_.begin() + (row + 1) * ncols(), ncols(), MathXArray());
417 void MathGridInset::appendRow()
419 rowinfo_.push_back(RowInfo());
420 //cells_.insert(cells_.end(), ncols(), MathXArray());
421 for (col_type col = 0; col < ncols(); ++col)
422 cells_.push_back(cells_type::value_type());
426 void MathGridInset::delRow(row_type row)
431 cells_type::iterator it = cells_.begin() + row * ncols();
432 cells_.erase(it, it + ncols());
434 rowinfo_.erase(rowinfo_.begin() + row);
438 void MathGridInset::addCol(col_type newcol)
440 const col_type nc = ncols();
441 const row_type nr = nrows();
442 cells_type new_cells((nc + 1) * nr);
444 for (row_type row = 0; row < nr; ++row)
445 for (col_type col = 0; col < nc; ++col)
446 new_cells[row * (nc + 1) + col + (col > newcol)]
447 = cells_[row * nc + col];
448 swap(cells_, new_cells);
451 inf.skip_ = defaultColSpace(newcol);
452 inf.align_ = defaultColAlign(newcol);
453 colinfo_.insert(colinfo_.begin() + newcol, inf);
457 void MathGridInset::delCol(col_type col)
463 for (col_type i = 0; i < nargs(); ++i)
464 if (i % ncols() != col)
465 tmpcells.push_back(cells_[i]);
466 swap(cells_, tmpcells);
468 colinfo_.erase(colinfo_.begin() + col);
472 int MathGridInset::cellXOffset(idx_type idx) const
474 col_type c = col(idx);
475 int x = colinfo_[c].offset_;
476 char align = colinfo_[c].align_;
477 if (align == 'r' || align == 'R')
478 x += colinfo_[c].width_ - xcell(idx).width();
479 if (align == 'c' || align == 'C')
480 x += (colinfo_[c].width_ - xcell(idx).width()) / 2;
485 int MathGridInset::cellYOffset(idx_type idx) const
487 return rowinfo_[row(idx)].offset_;
491 bool MathGridInset::idxUp(idx_type & idx) const
500 bool MathGridInset::idxDown(idx_type & idx) const
502 if (idx >= ncols() * (nrows() - 1))
509 bool MathGridInset::idxLeft(idx_type & idx, pos_type & pos) const
511 // leave matrix if on the left hand edge
515 pos = cell(idx).size();
520 bool MathGridInset::idxRight(idx_type & idx, pos_type & pos) const
522 // leave matrix if on the right hand edge
523 if (col(idx) + 1 == ncols())
531 bool MathGridInset::idxFirst(idx_type & idx, pos_type & pos) const
538 idx = (nrows() - 1) * ncols();
541 idx = ((nrows() - 1) / 2) * ncols();
548 bool MathGridInset::idxLast(idx_type & idx, pos_type & pos) const
558 idx = ((nrows() - 1) / 2 + 1) * ncols() - 1;
560 pos = cell(idx).size();
565 bool MathGridInset::idxHome(idx_type & idx, pos_type & pos) const
572 idx -= idx % ncols();
585 bool MathGridInset::idxEnd(idx_type & idx, pos_type & pos) const
587 if (pos < cell(idx).size()) {
588 pos = cell(idx).size();
591 if (col(idx) < ncols() - 1) {
592 idx = idx - idx % ncols() + ncols() - 1;
593 pos = cell(idx).size();
596 if (idx < nargs() - 1) {
598 pos = cell(idx).size();
605 void MathGridInset::idxDelete(idx_type & idx, bool & popit, bool & deleteit)
610 // nothing to do if we are in the last row of the inset
611 if (row(idx) + 1 == nrows())
614 // try to delete entire sequence of ncols() empty cells if possible
615 for (idx_type i = idx; i < idx + ncols(); ++i)
619 // move cells if necessary
620 for (idx_type i = index(row(idx), 0); i < idx; ++i)
621 cell(i).swap(cell(i + ncols()));
628 // undo effect of Ctrl-Tab (i.e. pull next cell)
629 //if (idx + 1 != nargs())
630 // cell(idx).swap(cell(idx + 1));
634 MathGridInset::RowInfo const & MathGridInset::rowinfo(row_type row) const
636 return rowinfo_[row];
640 MathGridInset::RowInfo & MathGridInset::rowinfo(row_type row)
642 return rowinfo_[row];
646 vector<MathInset::idx_type>
647 MathGridInset::idxBetween(idx_type from, idx_type to) const
649 row_type r1 = min(row(from), row(to));
650 row_type r2 = max(row(from), row(to));
651 col_type c1 = min(col(from), col(to));
652 col_type c2 = max(col(from), col(to));
653 vector<idx_type> res;
654 for (row_type i = r1; i <= r2; ++i)
655 for (col_type j = c1; j <= c2; ++j)
656 res.push_back(index(i, j));
662 void MathGridInset::normalize(NormalStream & os) const
665 for (row_type row = 0; row < nrows(); ++row) {
667 for (col_type col = 0; col < ncols(); ++col)
668 os << "[cell " << cell(index(row, col)) << ']';
675 void MathGridInset::mathmlize(MathMLStream & os) const
677 os << MTag("mtable");
678 for (row_type row = 0; row < nrows(); ++row) {
680 for (col_type col = 0; col < ncols(); ++col)
681 os << cell(index(row, col));
684 os << ETag("mtable");
688 void MathGridInset::write(WriteStream & os) const
690 for (row_type row = 0; row < nrows(); ++row) {
691 os << verboseHLine(rowinfo_[row].lines_);
692 for (col_type col = 0; col < ncols(); ++col)
693 os << cell(index(row, col)) << eocString(col);
694 os << eolString(row);
696 string const s = verboseHLine(rowinfo_[nrows()].lines_);
697 if (!s.empty() && s != " ")
702 int MathGridInset::colsep() const
708 int MathGridInset::rowsep() const
714 int MathGridInset::hlinesep() const
720 int MathGridInset::vlinesep() const
726 int MathGridInset::border() const