2 * \file InsetMathGrid.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
14 #include "InsetMathGrid.h"
17 #include "MathParser.h"
18 #include "MathStream.h"
19 #include "MetricsInfo.h"
22 #include "BufferView.h"
23 #include "CutAndPaste.h"
24 #include "FuncStatus.h"
26 #include "FuncRequest.h"
28 #include "frontends/Clipboard.h"
29 #include "frontends/FontMetrics.h"
30 #include "frontends/Painter.h"
32 #include "support/debug.h"
33 #include "support/docstream.h"
34 #include "support/gettext.h"
35 #include "support/lstrings.h"
37 #include "support/lassert.h"
42 using namespace lyx::support;
48 static docstring verboseHLine(int n)
51 for (int i = 0; i < n; ++i)
59 static int extractInt(istream & is)
63 return (num == 0) ? 1 : num;
67 static void resetGrid(InsetMathGrid & grid)
69 while (grid.ncols() > 1)
70 grid.delCol(grid.ncols() - 1);
71 while (grid.nrows() > 1)
72 grid.delRow(grid.nrows() - 1);
73 grid.cell(0).erase(0, grid.cell(0).size());
79 //////////////////////////////////////////////////////////////
82 InsetMathGrid::CellInfo::CellInfo()
88 //////////////////////////////////////////////////////////////
91 InsetMathGrid::RowInfo::RowInfo()
92 : lines_(0), skip_(0), allow_newpage_(true)
97 int InsetMathGrid::RowInfo::skipPixels(MetricsInfo const & mi) const
99 frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
100 return crskip_.inPixels(mi.base.textwidth,
101 fm.width(char_type('M')));
106 //////////////////////////////////////////////////////////////
109 InsetMathGrid::ColInfo::ColInfo()
110 : align_('c'), lines_(0)
114 //////////////////////////////////////////////////////////////
117 InsetMathGrid::InsetMathGrid(Buffer * buf)
118 : InsetMathNest(buf, 1),
128 InsetMathGrid::InsetMathGrid(Buffer * buf, col_type m, row_type n)
129 : InsetMathNest(buf, m * n),
139 InsetMathGrid::InsetMathGrid(Buffer * buf, col_type m, row_type n, char v,
141 : InsetMathNest(buf, m * n),
148 setVerticalAlignment(v);
149 setHorizontalAlignments(h);
153 Inset * InsetMathGrid::clone() const
155 return new InsetMathGrid(*this);
159 InsetMath::idx_type InsetMathGrid::index(row_type row, col_type col) const
161 return col + ncols() * row;
165 void InsetMathGrid::setDefaults()
168 lyxerr << "positive number of columns expected" << endl;
170 // lyxerr << "positive number of rows expected" << endl;
171 for (col_type col = 0; col < ncols(); ++col) {
172 colinfo_[col].align_ = defaultColAlign(col);
173 colinfo_[col].skip_ = defaultColSpace(col);
174 colinfo_[col].special_.clear();
179 void InsetMathGrid::setHorizontalAlignments(docstring const & hh)
182 for (docstring::const_iterator it = hh.begin(); it != hh.end(); ++it) {
185 colinfo_[col].lines_++;
186 } else if ((c == 'p' || c == 'm' || c == 'b'||
187 c == '!' || c == '@' || c == '>' || c == '<') &&
188 it + 1 != hh.end() && *(it + 1) == '{') {
189 // @{decl.} and p{width} are standard LaTeX, the
190 // others are extensions by array.sty
191 bool const newcolumn = c == 'p' || c == 'm' || c == 'b';
193 // this declares a new column
195 // Only intercolumn stuff is allowed
196 // in the last dummy column
198 colinfo_[col].align_ = 'l';
200 // this is intercolumn stuff
201 if (colinfo_[col].special_.empty())
202 // Overtake possible lines
203 colinfo_[col].special_ = docstring(colinfo_[col].lines_, '|');
207 while (it != hh.end()) {
209 colinfo_[col].special_ += c;
215 if (brace_open > 0 && brace_open == brace_close)
220 colinfo_[col].lines_ = count(
221 colinfo_[col].special_.begin(),
222 colinfo_[col].special_.end(), '|');
223 LYXERR(Debug::MATHED, "special column separator: `"
224 << to_utf8(colinfo_[col].special_) << '\'');
226 colinfo_[col].lines_ = 0;
227 colinfo_[col].special_.clear();
229 } else if (col >= ncols()) {
230 // Only intercolumn stuff is allowed in the last
233 } else if (c == 'c' || c == 'l' || c == 'r') {
234 colinfo_[col].align_ = static_cast<char>(c);
235 if (!colinfo_[col].special_.empty()) {
236 colinfo_[col].special_ += c;
237 colinfo_[col].lines_ = count(
238 colinfo_[col].special_.begin(),
239 colinfo_[col].special_.end(), '|');
240 LYXERR(Debug::MATHED, "special column separator: `"
241 << to_utf8(colinfo_[col].special_) << '\'');
244 colinfo_[col].lines_ = 0;
245 colinfo_[col].special_.clear();
247 lyxerr << "unknown column separator: '" << c << "'" << endl;
252 col_type n = hh.size();
255 for (col_type col = 0; col < n; ++col)
256 colinfo_[col].align_ = hh[col];
261 InsetMathGrid::col_type InsetMathGrid::guessColumns(docstring const & hh)
264 for (docstring::const_iterator it = hh.begin(); it != hh.end(); ++it)
265 if (*it == 'c' || *it == 'l' || *it == 'r'||
266 *it == 'p' || *it == 'm' || *it == 'b')
268 // let's have at least one column, even if we did not recognize its
276 void InsetMathGrid::setHorizontalAlignment(char h, col_type col)
278 colinfo_[col].align_ = h;
279 if (!colinfo_[col].special_.empty()) {
280 char_type & c = colinfo_[col].special_[colinfo_[col].special_.size() - 1];
281 if (c == 'l' || c == 'c' || c == 'r')
284 // FIXME: Change alignment of p, m and b columns, too
288 char InsetMathGrid::horizontalAlignment(col_type col) const
290 return colinfo_[col].align_;
294 docstring InsetMathGrid::horizontalAlignments() const
297 for (col_type col = 0; col < ncols(); ++col) {
298 if (colinfo_[col].special_.empty()) {
299 res += docstring(colinfo_[col].lines_, '|');
300 res += colinfo_[col].align_;
302 res += colinfo_[col].special_;
304 if (colinfo_[ncols()].special_.empty())
305 return res + docstring(colinfo_[ncols()].lines_, '|');
306 return res + colinfo_[ncols()].special_;
310 void InsetMathGrid::setVerticalAlignment(char c)
316 char InsetMathGrid::verticalAlignment() const
322 InsetMathGrid::col_type InsetMathGrid::ncols() const
324 return colinfo_.size() - 1;
328 InsetMathGrid::row_type InsetMathGrid::nrows() const
330 return rowinfo_.size() - 1;
334 InsetMathGrid::col_type InsetMathGrid::col(idx_type idx) const
336 return idx % ncols();
340 InsetMathGrid::row_type InsetMathGrid::row(idx_type idx) const
342 return idx / ncols();
346 void InsetMathGrid::vcrskip(Length const & crskip, row_type row)
348 rowinfo_[row].crskip_ = crskip;
352 Length InsetMathGrid::vcrskip(row_type row) const
354 return rowinfo_[row].crskip_;
358 void InsetMathGrid::metrics(MetricsInfo & mi, Dimension & dim) const
360 // let the cells adjust themselves
361 InsetMathNest::metrics(mi);
363 BufferView & bv = *mi.base.bv;
365 // compute absolute sizes of vertical structure
366 for (row_type row = 0; row < nrows(); ++row) {
369 for (col_type col = 0; col < ncols(); ++col) {
370 Dimension const & dimc = cell(index(row, col)).dimension(bv);
371 asc = max(asc, dimc.asc);
372 desc = max(desc, dimc.des);
374 rowinfo_[row].ascent_ = asc;
375 rowinfo_[row].descent_ = desc;
377 rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
378 rowinfo_[nrows()].ascent_ = 0;
379 rowinfo_[nrows()].descent_ = 0;
381 // compute vertical offsets
382 rowinfo_[0].offset_ = 0;
383 for (row_type row = 1; row <= nrows(); ++row) {
384 rowinfo_[row].offset_ =
385 rowinfo_[row - 1].offset_ +
386 rowinfo_[row - 1].descent_ +
387 rowinfo_[row - 1].skipPixels(mi) +
389 rowinfo_[row].lines_ * hlinesep() +
390 rowinfo_[row].ascent_;
393 // adjust vertical offset
400 h = rowinfo_[nrows() - 1].offset_;
403 h = rowinfo_[nrows() - 1].offset_ / 2;
405 for (row_type row = 0; row <= nrows(); ++row)
406 rowinfo_[row].offset_ -= h;
409 // compute absolute sizes of horizontal structure
410 for (col_type col = 0; col < ncols(); ++col) {
412 for (row_type row = 0; row < nrows(); ++row)
413 wid = max(wid, cell(index(row, col)).dimension(bv).wid);
414 colinfo_[col].width_ = wid;
416 colinfo_[ncols()].width_ = 0;
418 // compute horizontal offsets
419 colinfo_[0].offset_ = border();
420 for (col_type col = 1; col <= ncols(); ++col) {
421 colinfo_[col].offset_ =
422 colinfo_[col - 1].offset_ +
423 colinfo_[col - 1].width_ +
424 colinfo_[col - 1].skip_ +
426 colinfo_[col].lines_ * vlinesep();
430 dim.wid = colinfo_[ncols() - 1].offset_
431 + colinfo_[ncols() - 1].width_
432 + vlinesep() * colinfo_[ncols()].lines_
435 dim.asc = - rowinfo_[0].offset_
436 + rowinfo_[0].ascent_
437 + hlinesep() * rowinfo_[0].lines_
440 dim.des = rowinfo_[nrows() - 1].offset_
441 + rowinfo_[nrows() - 1].descent_
442 + hlinesep() * rowinfo_[nrows()].lines_
447 // Increase ws_[i] for 'R' columns (except the first one)
448 for (int i = 1; i < nc_; ++i)
449 if (align_[i] == 'R')
450 ws_[i] += 10 * df_width;
451 // Increase ws_[i] for 'C' column
452 if (align_[0] == 'C')
453 if (ws_[0] < 7 * workwidth / 8)
454 ws_[0] = 7 * workwidth / 8;
458 for (cxrow = row_.begin(); cxrow; ++cxrow) {
461 for (int i = 0; i < nc_; ++i) {
463 if (cxrow->getTab(i) <= 0) {
464 cxrow->setTab(i, df_width);
472 lf = (ws_[i] - cxrow->getTab(i))/2;
476 lf = ws_[i] - cxrow->getTab(i);
479 if (cxrow == row_.begin())
481 else if (cxrow.is_last())
482 lf = ws_[i] - cxrow->getTab(i);
484 lf = (ws_[i] - cxrow->getTab(i))/2;
487 int const ww = (isvoid) ? lf : lf + cxrow->getTab(i);
488 cxrow->setTab(i, lf + rg);
489 rg = ws_[i] - ww + colsep();
490 if (cxrow == row_.begin())
491 width += ws_[i] + colsep();
493 cxrow->setBaseline(cxrow->getBaseline() - ascent);
496 metricsMarkers2(dim);
497 // Cache the inset dimension.
498 setDimCache(mi, dim);
502 void InsetMathGrid::draw(PainterInfo & pi, int x, int y) const
504 drawWithMargin(pi, x, y, 1, 1);
508 void InsetMathGrid::drawWithMargin(PainterInfo & pi, int x, int y,
509 int lmargin, int rmargin) const
511 Dimension const dim = dimension(*pi.base.bv);
512 BufferView const & bv = *pi.base.bv;
514 for (idx_type idx = 0; idx < nargs(); ++idx)
515 cell(idx).draw(pi, x + lmargin + cellXOffset(bv, idx),
516 y + cellYOffset(idx));
518 for (row_type row = 0; row <= nrows(); ++row)
519 for (unsigned int i = 0; i < rowinfo_[row].lines_; ++i) {
520 int yy = y + rowinfo_[row].offset_ - rowinfo_[row].ascent_
521 - i * hlinesep() - hlinesep()/2 - rowsep()/2;
522 pi.pain.line(x + lmargin + 1, yy,
523 x + dim.width() - rmargin - 1, yy,
527 for (col_type col = 0; col <= ncols(); ++col)
528 for (unsigned int i = 0; i < colinfo_[col].lines_; ++i) {
529 int xx = x + lmargin + colinfo_[col].offset_
530 - i * vlinesep() - vlinesep()/2 - colsep()/2;
531 pi.pain.line(xx, y - dim.ascent() + 1,
532 xx, y + dim.descent() - 1,
535 drawMarkers2(pi, x, y);
539 void InsetMathGrid::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
541 // let the cells adjust themselves
542 //InsetMathNest::metrics(mi);
543 for (idx_type i = 0; i < nargs(); ++i)
544 cell(i).metricsT(mi, dim);
546 // compute absolute sizes of vertical structure
547 for (row_type row = 0; row < nrows(); ++row) {
550 for (col_type col = 0; col < ncols(); ++col) {
551 //MathData const & c = cell(index(row, col));
554 asc = max(asc, dimc.ascent());
555 desc = max(desc, dimc.descent());
557 rowinfo_[row].ascent_ = asc;
558 rowinfo_[row].descent_ = desc;
560 //rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
561 rowinfo_[nrows()].ascent_ = 0;
562 rowinfo_[nrows()].descent_ = 0;
564 // compute vertical offsets
565 rowinfo_[0].offset_ = 0;
566 for (row_type row = 1; row <= nrows(); ++row) {
567 rowinfo_[row].offset_ =
568 rowinfo_[row - 1].offset_ +
569 rowinfo_[row - 1].descent_ +
570 //rowinfo_[row - 1].skipPixels(mi) +
572 //rowinfo_[row].lines_ * hlinesep() +
573 rowinfo_[row].ascent_;
576 // adjust vertical offset
583 h = rowinfo_[nrows() - 1].offset_;
586 h = rowinfo_[nrows() - 1].offset_ / 2;
588 for (row_type row = 0; row <= nrows(); ++row)
589 rowinfo_[row].offset_ -= h;
592 // compute absolute sizes of horizontal structure
593 for (col_type col = 0; col < ncols(); ++col) {
595 for (row_type row = 0; row < nrows(); ++row) {
597 //wid = max(wid, cell(index(row, col)).width());
599 colinfo_[col].width_ = wid;
601 colinfo_[ncols()].width_ = 0;
603 // compute horizontal offsets
604 colinfo_[0].offset_ = border();
605 for (col_type col = 1; col <= ncols(); ++col) {
606 colinfo_[col].offset_ =
607 colinfo_[col - 1].offset_ +
608 colinfo_[col - 1].width_ +
609 colinfo_[col - 1].skip_ +
611 //colinfo_[col].lines_ * vlinesep();
615 dim.wid = colinfo_[ncols() - 1].offset_
616 + colinfo_[ncols() - 1].width_
617 //+ vlinesep() * colinfo_[ncols()].lines_
620 dim.asc = -rowinfo_[0].offset_
621 + rowinfo_[0].ascent_
622 //+ hlinesep() * rowinfo_[0].lines_
625 dim.des = rowinfo_[nrows() - 1].offset_
626 + rowinfo_[nrows() - 1].descent_
627 //+ hlinesep() * rowinfo_[nrows()].lines_
632 void InsetMathGrid::drawT(TextPainter & /*pain*/, int /*x*/, int /*y*/) const
634 // for (idx_type idx = 0; idx < nargs(); ++idx)
635 // cell(idx).drawT(pain, x + cellXOffset(idx), y + cellYOffset(idx));
639 void InsetMathGrid::updateBuffer(ParIterator const & it, UpdateType utype)
642 for (idx_type idx = 0; idx < nargs(); ++idx)
643 cell(idx).updateBuffer(it, utype);
647 docstring InsetMathGrid::eolString(row_type row, bool fragile,
648 bool /*latex*/, bool last_eoln) const
652 if (!rowinfo_[row].crskip_.zero())
653 eol += '[' + from_utf8(rowinfo_[row].crskip_.asLatexString()) + ']';
654 else if(!rowinfo_[row].allow_newpage_)
657 // make sure an upcoming '[' does not break anything
658 if (row + 1 < nrows()) {
659 MathData const & c = cell(index(row + 1, 0));
660 if (c.size() && c.front()->getChar() == '[')
665 // only add \\ if necessary
666 if (eol.empty() && row + 1 == nrows() && (nrows() == 1 || !last_eoln))
669 return (fragile ? "\\protect\\\\" : "\\\\") + eol;
673 docstring InsetMathGrid::eocString(col_type col, col_type lastcol) const
675 if (col + 1 == lastcol)
677 return from_ascii(" & ");
681 void InsetMathGrid::addRow(row_type row)
683 rowinfo_.insert(rowinfo_.begin() + row + 1, RowInfo());
685 (cells_.begin() + (row + 1) * ncols(), ncols(), MathData());
687 (cellinfo_.begin() + (row + 1) * ncols(), ncols(), CellInfo());
691 void InsetMathGrid::appendRow()
693 rowinfo_.push_back(RowInfo());
694 //cells_.insert(cells_.end(), ncols(), MathData());
695 for (col_type col = 0; col < ncols(); ++col) {
696 cells_.push_back(cells_type::value_type());
697 cellinfo_.push_back(CellInfo());
702 void InsetMathGrid::delRow(row_type row)
707 cells_type::iterator it = cells_.begin() + row * ncols();
708 cells_.erase(it, it + ncols());
710 vector<CellInfo>::iterator jt = cellinfo_.begin() + row * ncols();
711 cellinfo_.erase(jt, jt + ncols());
713 rowinfo_.erase(rowinfo_.begin() + row);
717 void InsetMathGrid::copyRow(row_type row)
720 for (col_type col = 0; col < ncols(); ++col)
721 cells_[(row + 1) * ncols() + col] = cells_[row * ncols() + col];
725 void InsetMathGrid::swapRow(row_type row)
729 if (row + 1 == nrows())
731 for (col_type col = 0; col < ncols(); ++col)
732 swap(cells_[row * ncols() + col], cells_[(row + 1) * ncols() + col]);
736 void InsetMathGrid::addCol(col_type newcol)
738 const col_type nc = ncols();
739 const row_type nr = nrows();
740 cells_type new_cells((nc + 1) * nr);
741 vector<CellInfo> new_cellinfo((nc + 1) * nr);
743 for (row_type row = 0; row < nr; ++row)
744 for (col_type col = 0; col < nc; ++col) {
745 new_cells[row * (nc + 1) + col + (col >= newcol)]
746 = cells_[row * nc + col];
747 new_cellinfo[row * (nc + 1) + col + (col >= newcol)]
748 = cellinfo_[row * nc + col];
750 swap(cells_, new_cells);
751 swap(cellinfo_, new_cellinfo);
754 inf.skip_ = defaultColSpace(newcol);
755 inf.align_ = defaultColAlign(newcol);
756 colinfo_.insert(colinfo_.begin() + newcol, inf);
760 void InsetMathGrid::delCol(col_type col)
766 vector<CellInfo> tmpcellinfo;
767 for (col_type i = 0; i < nargs(); ++i)
768 if (i % ncols() != col) {
769 tmpcells.push_back(cells_[i]);
770 tmpcellinfo.push_back(cellinfo_[i]);
772 swap(cells_, tmpcells);
773 swap(cellinfo_, tmpcellinfo);
775 colinfo_.erase(colinfo_.begin() + col);
779 void InsetMathGrid::copyCol(col_type col)
782 for (row_type row = 0; row < nrows(); ++row)
783 cells_[row * ncols() + col + 1] = cells_[row * ncols() + col];
787 void InsetMathGrid::swapCol(col_type col)
791 if (col + 1 == ncols())
793 for (row_type row = 0; row < nrows(); ++row)
794 swap(cells_[row * ncols() + col], cells_[row * ncols() + col + 1]);
798 int InsetMathGrid::cellXOffset(BufferView const & bv, idx_type idx) const
800 col_type c = col(idx);
801 int x = colinfo_[c].offset_;
802 char align = colinfo_[c].align_;
803 Dimension const & celldim = cell(idx).dimension(bv);
804 if (align == 'r' || align == 'R')
805 x += colinfo_[c].width_ - celldim.wid;
806 if (align == 'c' || align == 'C')
807 x += (colinfo_[c].width_ - celldim.wid) / 2;
812 int InsetMathGrid::cellYOffset(idx_type idx) const
814 return rowinfo_[row(idx)].offset_;
818 bool InsetMathGrid::idxUpDown(Cursor & cur, bool up) const
823 cur.idx() -= ncols();
825 if (cur.row() + 1 >= nrows())
827 cur.idx() += ncols();
829 cur.pos() = cur.cell().x2pos(&cur.bv(), cur.x_target() - cur.cell().xo(cur.bv()));
834 bool InsetMathGrid::idxBackward(Cursor & cur) const
836 // leave matrix if at the front edge
840 cur.pos() = cur.lastpos();
845 bool InsetMathGrid::idxForward(Cursor & cur) const
847 // leave matrix if at the back edge
848 if (cur.col() + 1 == ncols())
856 bool InsetMathGrid::idxFirst(Cursor & cur) const
863 cur.idx() = (nrows() - 1) * ncols();
866 cur.idx() = ((nrows() - 1) / 2) * ncols();
873 bool InsetMathGrid::idxLast(Cursor & cur) const
877 cur.idx() = ncols() - 1;
880 cur.idx() = nargs() - 1;
883 cur.idx() = ((nrows() - 1) / 2 + 1) * ncols() - 1;
885 cur.pos() = cur.lastpos();
890 bool InsetMathGrid::idxDelete(idx_type & idx)
892 // nothing to do if we have just one row
896 // nothing to do if we are in the middle of the last row of the inset
897 if (idx + ncols() > nargs())
900 // try to delete entire sequence of ncols() empty cells if possible
901 for (idx_type i = idx; i < idx + ncols(); ++i)
905 // move cells if necessary
906 for (idx_type i = index(row(idx), 0); i < idx; ++i)
907 swap(cell(i), cell(i + ncols()));
914 // undo effect of Ctrl-Tab (i.e. pull next cell)
915 //if (idx + 1 != nargs())
916 // cell(idx).swap(cell(idx + 1));
918 // we handled the event..
923 // reimplement old behaviour when pressing Delete in the last position
925 void InsetMathGrid::idxGlue(idx_type idx)
927 col_type c = col(idx);
928 if (c + 1 == ncols()) {
929 if (row(idx) + 1 != nrows()) {
930 for (col_type cc = 0; cc < ncols(); ++cc)
931 cell(idx).append(cell(idx + cc + 1));
932 delRow(row(idx) + 1);
935 cell(idx).append(cell(idx + 1));
936 for (col_type cc = c + 2; cc < ncols(); ++cc)
937 cell(idx - c + cc - 1) = cell(idx - c + cc);
938 cell(idx - c + ncols() - 1).clear();
943 InsetMathGrid::RowInfo const & InsetMathGrid::rowinfo(row_type row) const
945 return rowinfo_[row];
949 InsetMathGrid::RowInfo & InsetMathGrid::rowinfo(row_type row)
951 return rowinfo_[row];
955 bool InsetMathGrid::idxBetween(idx_type idx, idx_type from, idx_type to) const
957 row_type const ri = row(idx);
958 row_type const r1 = min(row(from), row(to));
959 row_type const r2 = max(row(from), row(to));
960 col_type const ci = col(idx);
961 col_type const c1 = min(col(from), col(to));
962 col_type const c2 = max(col(from), col(to));
963 return r1 <= ri && ri <= r2 && c1 <= ci && ci <= c2;
968 void InsetMathGrid::normalize(NormalStream & os) const
971 for (row_type row = 0; row < nrows(); ++row) {
973 for (col_type col = 0; col < ncols(); ++col)
974 os << "[cell " << cell(index(row, col)) << ']';
981 void InsetMathGrid::mathmlize(MathStream & os) const
983 bool const havetable = nrows() > 1 || ncols() > 1;
985 os << MTag("mtable");
986 char const * const celltag = havetable ? "mtd" : "mrow";
987 for (row_type row = 0; row < nrows(); ++row) {
990 for (col_type col = 0; col < ncols(); ++col) {
992 os << cell(index(row, col));
999 os << ETag("mtable");
1004 // We need to do something about alignment here.
1005 void InsetMathGrid::htmlize(HtmlStream & os, string attrib) const
1007 bool const havetable = nrows() > 1 || ncols() > 1;
1009 os << cell(index(0, 0));
1012 os << MTag("table", attrib);
1013 for (row_type row = 0; row < nrows(); ++row) {
1015 for (col_type col = 0; col < ncols(); ++col) {
1017 os << cell(index(row, col));
1022 os << ETag("table");
1026 void InsetMathGrid::htmlize(HtmlStream & os) const
1028 htmlize(os, "class='mathtable'");
1032 void InsetMathGrid::write(WriteStream & os) const
1034 write(os, 0, 0, nrows(), ncols());
1037 void InsetMathGrid::write(WriteStream & os,
1038 row_type beg_row, col_type beg_col,
1039 row_type end_row, col_type end_col) const
1041 MathEnsurer ensurer(os, false);
1043 for (row_type row = beg_row; row < end_row; ++row) {
1044 os << verboseHLine(rowinfo_[row].lines_);
1045 // don't write & and empty cells at end of line,
1046 // unless there are vertical lines
1047 col_type lastcol = 0;
1048 bool emptyline = true;
1049 bool last_eoln = true;
1050 for (col_type col = beg_col; col < end_col; ++col) {
1051 bool const empty_cell = cell(index(row, col)).empty();
1054 if (!empty_cell || colinfo_[col + 1].lines_) {
1059 for (col_type col = beg_col; col < lastcol; ++col) {
1060 os << cell(index(row, col));
1061 if (os.pendingBrace())
1062 ModeSpecifier specifier(os, TEXT_MODE);
1063 os << eocString(col, lastcol);
1065 eol = eolString(row, os.fragile(), os.latex(), last_eoln);
1067 // append newline only if line wasn't completely empty
1068 // and the formula is not written on a single line
1069 bool const empty = emptyline && eol.empty();
1070 if (!empty && nrows() > 1)
1073 // @TODO use end_row instead of nrows() ?
1074 docstring const s = verboseHLine(rowinfo_[nrows()].lines_);
1086 int InsetMathGrid::colsep() const
1092 int InsetMathGrid::rowsep() const
1098 int InsetMathGrid::hlinesep() const
1104 int InsetMathGrid::vlinesep() const
1110 int InsetMathGrid::border() const
1116 void InsetMathGrid::splitCell(Cursor & cur)
1118 if (cur.idx() == cur.lastidx())
1120 MathData ar = cur.cell();
1121 ar.erase(0, cur.pos());
1122 cur.cell().erase(cur.pos(), cur.lastpos());
1125 cur.cell().insert(0, ar);
1129 void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
1131 //lyxerr << "*** InsetMathGrid: request: " << cmd << endl;
1133 Parse::flags parseflg = Parse::QUIET | Parse::USETEXT;
1135 FuncCode const act = cmd.action();
1138 // insert file functions
1139 case LFUN_LINE_DELETE:
1140 cur.recordUndoInset();
1141 //autocorrect_ = false;
1149 if (cur.idx() > cur.lastidx())
1150 cur.idx() = cur.lastidx();
1151 if (cur.pos() > cur.lastpos())
1152 cur.pos() = cur.lastpos();
1155 case LFUN_CELL_SPLIT:
1160 case LFUN_CELL_BACKWARD:
1162 cur.setSelection(false);
1163 if (!idxPrev(cur)) {
1164 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
1169 case LFUN_CELL_FORWARD:
1170 // Can't handle selection by additional 'shift' as this is
1171 // hard bound to LFUN_CELL_BACKWARD
1172 cur.setSelection(false);
1173 if (!idxNext(cur)) {
1174 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1179 case LFUN_NEWLINE_INSERT: {
1180 cur.recordUndoInset();
1181 row_type const r = cur.row();
1185 for (col_type c = col(cur.idx()) + 1; c < ncols(); ++c)
1186 swap(cell(index(r, c)), cell(index(r + 1, c)));
1190 swap(cell(cur.idx()), cell(cur.idx() + ncols() - 1));
1193 cur.pos() = cur.lastpos();
1194 cur.forceBufferUpdate();
1195 //mathcursor->normalize();
1196 //cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
1200 case LFUN_INSET_MODIFY: {
1201 cur.recordUndoInset();
1202 //lyxerr << "handling tabular-feature " << to_utf8(cmd.argument()) << endl;
1203 istringstream is(to_utf8(cmd.argument()));
1206 if (s != "tabular") {
1207 InsetMathNest::doDispatch(cur, cmd);
1211 if (s == "valign-top")
1212 setVerticalAlignment('t');
1213 else if (s == "valign-middle")
1214 setVerticalAlignment('c');
1215 else if (s == "valign-bottom")
1216 setVerticalAlignment('b');
1217 else if (s == "align-left")
1218 setHorizontalAlignment('l', cur.col());
1219 else if (s == "align-right")
1220 setHorizontalAlignment('r', cur.col());
1221 else if (s == "align-center")
1222 setHorizontalAlignment('c', cur.col());
1223 else if (s == "append-row")
1224 for (int i = 0, n = extractInt(is); i < n; ++i)
1226 else if (s == "delete-row") {
1227 cur.clearSelection(); // bug 4323
1228 for (int i = 0, n = extractInt(is); i < n; ++i) {
1230 if (cur.idx() >= nargs())
1231 cur.idx() -= ncols();
1233 cur.pos() = 0; // trick, see below
1235 else if (s == "copy-row") {
1236 // Here (as later) we save the cursor col/row
1237 // in order to restore it after operation.
1238 row_type const r = cur.row();
1239 col_type const c = cur.col();
1240 for (int i = 0, n = extractInt(is); i < n; ++i)
1242 cur.idx() = index(r, c);
1244 else if (s == "swap-row") {
1246 // Trick to suppress same-idx-means-different-cell
1250 else if (s == "add-hline-above")
1251 rowinfo_[cur.row()].lines_++;
1252 else if (s == "add-hline-below")
1253 rowinfo_[cur.row()+1].lines_++;
1254 else if (s == "delete-hline-above")
1255 rowinfo_[cur.row()].lines_--;
1256 else if (s == "delete-hline-below")
1257 rowinfo_[cur.row()+1].lines_--;
1258 else if (s == "append-column") {
1259 row_type const r = cur.row();
1260 col_type const c = cur.col();
1261 for (int i = 0, n = extractInt(is); i < n; ++i)
1262 addCol(cur.col() + 1);
1263 cur.idx() = index(r, c);
1265 else if (s == "delete-column") {
1266 cur.clearSelection(); // bug 4323
1267 row_type const r = cur.row();
1268 col_type const c = cur.col();
1269 for (int i = 0, n = extractInt(is); i < n; ++i)
1270 delCol(col(cur.idx()));
1271 cur.idx() = index(r, min(c, cur.ncols() - 1));
1272 cur.pos() = 0; // trick, see above
1274 else if (s == "copy-column") {
1275 row_type const r = cur.row();
1276 col_type const c = cur.col();
1278 cur.idx() = index(r, c);
1280 else if (s == "swap-column") {
1282 cur.pos() = 0; // trick, see above
1284 else if (s == "add-vline-left") {
1285 colinfo_[cur.col()].lines_++;
1286 if (!colinfo_[cur.col()].special_.empty())
1287 colinfo_[cur.col()].special_ += '|';
1289 else if (s == "add-vline-right") {
1290 colinfo_[cur.col()+1].lines_++;
1291 if (!colinfo_[cur.col()+1].special_.empty())
1292 colinfo_[cur.col()+1].special_.insert(0, 1, '|');
1294 else if (s == "delete-vline-left") {
1295 colinfo_[cur.col()].lines_--;
1296 docstring & special = colinfo_[cur.col()].special_;
1297 if (!special.empty()) {
1298 docstring::size_type i = special.rfind('|');
1299 LASSERT(i != docstring::npos, /**/);
1300 special.erase(i, 1);
1303 else if (s == "delete-vline-right") {
1304 colinfo_[cur.col()+1].lines_--;
1305 docstring & special = colinfo_[cur.col()+1].special_;
1306 if (!special.empty()) {
1307 docstring::size_type i = special.find('|');
1308 LASSERT(i != docstring::npos, /**/);
1309 special.erase(i, 1);
1316 // perhaps this should be FINISHED_BACKWARD -- just for clarity?
1317 //lyxerr << "returning FINISHED_LEFT" << endl;
1321 case LFUN_CLIPBOARD_PASTE:
1322 parseflg |= Parse::VERBATIM;
1325 if (cur.currentMode() <= TEXT_MODE)
1326 parseflg |= Parse::TEXTMODE;
1327 cur.message(_("Paste"));
1328 cap::replaceSelection(cur);
1330 if (cmd.argument().empty() && !theClipboard().isInternal())
1331 topaste = theClipboard().getAsText();
1333 idocstringstream is(cmd.argument());
1336 topaste = cap::selection(n);
1338 InsetMathGrid grid(buffer_, 1, 1);
1339 if (!topaste.empty())
1340 if ((topaste.size() == 1 && topaste.at(0) < 0x80)
1341 || !mathed_parse_normal(grid, topaste, parseflg)) {
1343 mathed_parse_normal(grid, topaste, parseflg | Parse::VERBATIM);
1346 if (grid.nargs() == 1) {
1347 // single cell/part of cell
1349 cur.cell().insert(cur.pos(), grid.cell(0));
1350 cur.pos() += grid.cell(0).size();
1353 cur.recordUndoInset();
1354 col_type const numcols =
1355 min(grid.ncols(), ncols() - col(cur.idx()));
1356 row_type const numrows =
1357 min(grid.nrows(), nrows() - cur.row());
1358 for (row_type r = 0; r < numrows; ++r) {
1359 for (col_type c = 0; c < numcols; ++c) {
1360 idx_type i = index(r + cur.row(), c + col(cur.idx()));
1361 cell(i).insert(0, grid.cell(grid.index(r, c)));
1363 // append the left over horizontal cells to the last column
1364 idx_type i = index(r + cur.row(), ncols() - 1);
1365 for (InsetMath::col_type c = numcols; c < grid.ncols(); ++c)
1366 cell(i).append(grid.cell(grid.index(r, c)));
1368 // append the left over vertical cells to the last _cell_
1369 idx_type i = nargs() - 1;
1370 for (row_type r = numrows; r < grid.nrows(); ++r)
1371 for (col_type c = 0; c < grid.ncols(); ++c)
1372 cell(i).append(grid.cell(grid.index(r, c)));
1374 cur.clearSelection(); // bug 393
1375 // FIXME audit setBuffer calls
1376 cur.inset().setBuffer(*buffer_);
1377 cur.forceBufferUpdate();
1382 case LFUN_LINE_BEGIN_SELECT:
1383 case LFUN_LINE_BEGIN:
1384 case LFUN_WORD_BACKWARD_SELECT:
1385 case LFUN_WORD_BACKWARD:
1386 case LFUN_WORD_LEFT_SELECT:
1387 case LFUN_WORD_LEFT:
1388 cur.selHandle(act == LFUN_WORD_BACKWARD_SELECT ||
1389 act == LFUN_WORD_LEFT_SELECT ||
1390 act == LFUN_LINE_BEGIN_SELECT);
1391 cur.macroModeClose();
1392 if (cur.pos() != 0) {
1394 } else if (cur.idx() % cur.ncols() != 0) {
1395 cur.idx() -= cur.idx() % cur.ncols();
1397 } else if (cur.idx() != 0) {
1401 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
1406 case LFUN_WORD_FORWARD_SELECT:
1407 case LFUN_WORD_FORWARD:
1408 case LFUN_WORD_RIGHT_SELECT:
1409 case LFUN_WORD_RIGHT:
1410 case LFUN_LINE_END_SELECT:
1412 cur.selHandle(act == LFUN_WORD_FORWARD_SELECT ||
1413 act == LFUN_WORD_RIGHT_SELECT ||
1414 act == LFUN_LINE_END_SELECT);
1415 cur.macroModeClose();
1417 if (cur.pos() != cur.lastpos()) {
1418 cur.pos() = cur.lastpos();
1419 } else if ((cur.idx() + 1) % cur.ncols() != 0) {
1420 cur.idx() += cur.ncols() - 1 - cur.idx() % cur.ncols();
1421 cur.pos() = cur.lastpos();
1422 } else if (cur.idx() != cur.lastidx()) {
1423 cur.idx() = cur.lastidx();
1424 cur.pos() = cur.lastpos();
1426 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1432 InsetMathNest::doDispatch(cur, cmd);
1437 bool InsetMathGrid::getStatus(Cursor & cur, FuncRequest const & cmd,
1438 FuncStatus & status) const
1440 switch (cmd.action()) {
1441 case LFUN_INSET_MODIFY: {
1442 istringstream is(to_utf8(cmd.argument()));
1445 if (s != "tabular") {
1446 // We only now about table actions here.
1449 if (&cur.inset() != this) {
1450 // Table actions requires that the cursor is _inside_ the
1452 status.setEnabled(false);
1453 status.message(from_utf8(N_("Cursor not in table")));
1457 if (nrows() <= 1 && (s == "delete-row" || s == "swap-row")) {
1458 status.setEnabled(false);
1459 status.message(from_utf8(N_("Only one row")));
1463 (s == "delete-column" || s == "swap-column")) {
1464 status.setEnabled(false);
1465 status.message(from_utf8(N_("Only one column")));
1468 if ((rowinfo_[cur.row()].lines_ == 0 &&
1469 s == "delete-hline-above") ||
1470 (rowinfo_[cur.row() + 1].lines_ == 0 &&
1471 s == "delete-hline-below")) {
1472 status.setEnabled(false);
1473 status.message(from_utf8(N_("No hline to delete")));
1477 if ((colinfo_[cur.col()].lines_ == 0 &&
1478 s == "delete-vline-left") ||
1479 (colinfo_[cur.col() + 1].lines_ == 0 &&
1480 s == "delete-vline-right")) {
1481 status.setEnabled(false);
1482 status.message(from_utf8(N_("No vline to delete")));
1485 if (s == "valign-top" || s == "valign-middle" ||
1486 s == "valign-bottom" || s == "align-left" ||
1487 s == "align-right" || s == "align-center") {
1488 status.setEnabled(true);
1489 char const ha = horizontalAlignment(cur.col());
1490 char const va = verticalAlignment();
1491 status.setOnOff((s == "align-left" && ha == 'l')
1492 || (s == "align-right" && ha == 'r')
1493 || (s == "align-center" && ha == 'c')
1494 || (s == "valign-top" && va == 't')
1495 || (s == "valign-bottom" && va == 'b')
1496 || (s == "valign-middle" && va == 'c'));
1499 if (s == "append-row" || s == "delete-row" ||
1500 s == "copy-row" || s == "swap-row" ||
1501 s == "add-hline-above" || s == "add-hline-below" ||
1502 s == "delete-hline-above" || s == "delete-hline-below" ||
1503 s == "append-column" || s == "delete-column" ||
1504 s == "copy-column" || s == "swap-column" ||
1505 s == "add-vline-left" || s == "add-vline-right" ||
1506 s == "delete-vline-left" || s == "delete-vline-right") {
1507 status.setEnabled(true);
1509 status.setEnabled(false);
1510 status.message(bformat(
1511 from_utf8(N_("Unknown tabular feature '%1$s'")), lyx::from_ascii(s)));
1515 // FIXME: What did this code do?
1516 // Please check whether it is still needed!
1517 // should be more precise
1518 if (v_align_ == '\0') {
1519 status.enable(true);
1522 if (cmd.argument().empty()) {
1523 status.enable(false);
1526 if (!contains("tcb", cmd.argument()[0])) {
1527 status.enable(false);
1530 status.setOnOff(cmd.argument()[0] == v_align_);
1531 status.setEnabled(true);
1536 case LFUN_CELL_SPLIT:
1537 status.setEnabled(cur.idx() != cur.lastidx());
1540 case LFUN_CELL_BACKWARD:
1541 case LFUN_CELL_FORWARD:
1542 status.setEnabled(true);
1548 return InsetMathNest::getStatus(cur, cmd, status);