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 void MathGridInset::metricsT(TextMetricsInfo const & mi) const
381 // let the cells adjust themselves
382 //MathNestInset::metrics(mi);
383 for (idx_type i = 0; i < nargs(); ++i)
384 xcell(i).metricsT(mi);
386 // compute absolute sizes of vertical structure
387 for (row_type row = 0; row < nrows(); ++row) {
390 for (col_type col = 0; col < ncols(); ++col) {
391 MathXArray const & c = xcell(index(row, col));
392 asc = max(asc, c.ascent());
393 desc = max(desc, c.descent());
395 rowinfo_[row].ascent_ = asc;
396 rowinfo_[row].descent_ = desc;
398 //rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
399 rowinfo_[nrows()].ascent_ = 0;
400 rowinfo_[nrows()].descent_ = 0;
402 // compute vertical offsets
403 rowinfo_[0].offset_ = 0;
404 for (row_type row = 1; row <= nrows(); ++row) {
405 rowinfo_[row].offset_ =
406 rowinfo_[row - 1].offset_ +
407 rowinfo_[row - 1].descent_ +
408 //rowinfo_[row - 1].skipPixels() +
410 //rowinfo_[row].lines_ * hlinesep() +
411 rowinfo_[row].ascent_;
414 // adjust vertical offset
421 h = rowinfo_[nrows() - 1].offset_;
424 h = rowinfo_[nrows() - 1].offset_ / 2;
426 for (row_type row = 0; row <= nrows(); ++row)
427 rowinfo_[row].offset_ -= h;
430 // compute absolute sizes of horizontal structure
431 for (col_type col = 0; col < ncols(); ++col) {
433 for (row_type row = 0; row < nrows(); ++row)
434 wid = max(wid, xcell(index(row, col)).width());
435 colinfo_[col].width_ = wid;
437 colinfo_[ncols()].width_ = 0;
439 // compute horizontal offsets
440 colinfo_[0].offset_ = border();
441 for (col_type col = 1; col <= ncols(); ++col) {
442 colinfo_[col].offset_ =
443 colinfo_[col - 1].offset_ +
444 colinfo_[col - 1].width_ +
445 colinfo_[col - 1].skip_ +
447 //colinfo_[col].lines_ * vlinesep();
451 width_ = colinfo_[ncols() - 1].offset_
452 + colinfo_[ncols() - 1].width_
453 //+ vlinesep() * colinfo_[ncols()].lines_
456 ascent_ = - rowinfo_[0].offset_
457 + rowinfo_[0].ascent_
458 //+ hlinesep() * rowinfo_[0].lines_
461 descent_ = rowinfo_[nrows() - 1].offset_
462 + rowinfo_[nrows() - 1].descent_
463 //+ hlinesep() * rowinfo_[nrows()].lines_
469 void MathGridInset::drawT(TextPainter & pain, int x, int y) const
471 for (idx_type idx = 0; idx < nargs(); ++idx)
472 xcell(idx).drawT(pain, x + cellXOffset(idx), y + cellYOffset(idx));
476 string MathGridInset::eolString(row_type row) const
480 if (!rowinfo_[row].crskip_.zero())
481 eol += "[" + rowinfo_[row].crskip_.asLatexString() + "]";
483 // make sure an upcoming '[' does not break anything
484 if (row + 1 < nrows()) {
485 MathArray const & c = cell(index(row + 1, 0));
486 if (c.size() && c.front()->getChar() == '[')
491 // only add \\ if necessary
492 if (eol.empty() && row + 1 == nrows())
495 return "\\\\" + eol + '\n';
499 string MathGridInset::eocString(col_type col) const
501 if (col + 1 == ncols())
507 void MathGridInset::addRow(row_type row)
509 rowinfo_.insert(rowinfo_.begin() + row + 1, RowInfo());
510 cells_.insert(cells_.begin() + (row + 1) * ncols(), ncols(), MathXArray());
514 void MathGridInset::appendRow()
516 rowinfo_.push_back(RowInfo());
517 //cells_.insert(cells_.end(), ncols(), MathXArray());
518 for (col_type col = 0; col < ncols(); ++col)
519 cells_.push_back(cells_type::value_type());
523 void MathGridInset::delRow(row_type row)
528 cells_type::iterator it = cells_.begin() + row * ncols();
529 cells_.erase(it, it + ncols());
531 rowinfo_.erase(rowinfo_.begin() + row);
535 void MathGridInset::addCol(col_type newcol)
537 const col_type nc = ncols();
538 const row_type nr = nrows();
539 cells_type new_cells((nc + 1) * nr);
541 for (row_type row = 0; row < nr; ++row)
542 for (col_type col = 0; col < nc; ++col)
543 new_cells[row * (nc + 1) + col + (col > newcol)]
544 = cells_[row * nc + col];
545 swap(cells_, new_cells);
548 inf.skip_ = defaultColSpace(newcol);
549 inf.align_ = defaultColAlign(newcol);
550 colinfo_.insert(colinfo_.begin() + newcol, inf);
554 void MathGridInset::delCol(col_type col)
560 for (col_type i = 0; i < nargs(); ++i)
561 if (i % ncols() != col)
562 tmpcells.push_back(cells_[i]);
563 swap(cells_, tmpcells);
565 colinfo_.erase(colinfo_.begin() + col);
569 int MathGridInset::cellXOffset(idx_type idx) const
571 col_type c = col(idx);
572 int x = colinfo_[c].offset_;
573 char align = colinfo_[c].align_;
574 if (align == 'r' || align == 'R')
575 x += colinfo_[c].width_ - xcell(idx).width();
576 if (align == 'c' || align == 'C')
577 x += (colinfo_[c].width_ - xcell(idx).width()) / 2;
582 int MathGridInset::cellYOffset(idx_type idx) const
584 return rowinfo_[row(idx)].offset_;
588 bool MathGridInset::idxUpDown(idx_type & idx, bool up) const
596 if (idx >= ncols() * (nrows() - 1))
604 bool MathGridInset::idxLeft(idx_type & idx, pos_type & pos) const
606 // leave matrix if on the left hand edge
610 pos = cell(idx).size();
615 bool MathGridInset::idxRight(idx_type & idx, pos_type & pos) const
617 // leave matrix if on the right hand edge
618 if (col(idx) + 1 == ncols())
626 bool MathGridInset::idxFirst(idx_type & idx, pos_type & pos) const
633 idx = (nrows() - 1) * ncols();
636 idx = ((nrows() - 1) / 2) * ncols();
643 bool MathGridInset::idxLast(idx_type & idx, pos_type & pos) const
653 idx = ((nrows() - 1) / 2 + 1) * ncols() - 1;
655 pos = cell(idx).size();
660 bool MathGridInset::idxHome(idx_type & idx, pos_type & pos) const
667 idx -= idx % ncols();
680 bool MathGridInset::idxEnd(idx_type & idx, pos_type & pos) const
682 if (pos < cell(idx).size()) {
683 pos = cell(idx).size();
686 if (col(idx) < ncols() - 1) {
687 idx = idx - idx % ncols() + ncols() - 1;
688 pos = cell(idx).size();
691 if (idx < nargs() - 1) {
693 pos = cell(idx).size();
700 bool MathGridInset::idxDelete(idx_type & idx)
702 // nothing to do if we have just one row
706 // nothing to do if we are in the middle of the last row of the inset
707 if (idx + ncols() > nargs())
710 // try to delete entire sequence of ncols() empty cells if possible
711 for (idx_type i = idx; i < idx + ncols(); ++i)
715 // move cells if necessary
716 for (idx_type i = index(row(idx), 0); i < idx; ++i)
717 cell(i).swap(cell(i + ncols()));
724 // undo effect of Ctrl-Tab (i.e. pull next cell)
725 //if (idx + 1 != nargs())
726 // cell(idx).swap(cell(idx + 1));
728 // we handled the event..
733 // reimplement old behaviour when pressing Delete in the last position
735 void MathGridInset::idxGlue(idx_type idx)
737 col_type c = col(idx);
738 if (c + 1 == ncols()) {
739 if (row(idx) + 1 != nrows()) {
740 for (col_type cc = 0; cc < ncols(); ++cc)
741 cell(idx).push_back(cell(idx + cc + 1));
742 delRow(row(idx) + 1);
745 cell(idx).push_back(cell(idx + 1));
746 for (col_type cc = c + 2; cc < ncols(); ++cc)
747 cell(idx - c + cc - 1) = cell(idx - c + cc);
748 cell(idx - c + ncols() - 1).erase();
753 MathGridInset::RowInfo const & MathGridInset::rowinfo(row_type row) const
755 return rowinfo_[row];
759 MathGridInset::RowInfo & MathGridInset::rowinfo(row_type row)
761 return rowinfo_[row];
765 vector<MathInset::idx_type>
766 MathGridInset::idxBetween(idx_type from, idx_type to) const
768 row_type r1 = min(row(from), row(to));
769 row_type r2 = max(row(from), row(to));
770 col_type c1 = min(col(from), col(to));
771 col_type c2 = max(col(from), col(to));
772 vector<idx_type> res;
773 for (row_type i = r1; i <= r2; ++i)
774 for (col_type j = c1; j <= c2; ++j)
775 res.push_back(index(i, j));
781 void MathGridInset::normalize(NormalStream & os) const
784 for (row_type row = 0; row < nrows(); ++row) {
786 for (col_type col = 0; col < ncols(); ++col)
787 os << "[cell " << cell(index(row, col)) << ']';
794 void MathGridInset::mathmlize(MathMLStream & os) const
796 os << MTag("mtable");
797 for (row_type row = 0; row < nrows(); ++row) {
799 for (col_type col = 0; col < ncols(); ++col)
800 os << cell(index(row, col));
803 os << ETag("mtable");
807 void MathGridInset::write(WriteStream & os) const
809 for (row_type row = 0; row < nrows(); ++row) {
810 os << verboseHLine(rowinfo_[row].lines_);
811 for (col_type col = 0; col < ncols(); ++col)
812 os << cell(index(row, col)) << eocString(col);
813 os << eolString(row);
815 string const s = verboseHLine(rowinfo_[nrows()].lines_);
816 if (!s.empty() && s != " ")
821 int MathGridInset::colsep() const
827 int MathGridInset::rowsep() const
833 int MathGridInset::hlinesep() const
839 int MathGridInset::vlinesep() const
845 int MathGridInset::border() const