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.
13 #include "InsetMathGrid.h"
15 #include "MathParser.h"
16 #include "MathStream.h"
18 #include "BufferView.h"
19 #include "CutAndPaste.h"
20 #include "FuncStatus.h"
23 #include "FuncRequest.h"
26 #include "frontends/Clipboard.h"
27 #include "frontends/Painter.h"
29 #include "support/lstrings.h"
36 using support::bformat;
45 using std::istringstream;
51 docstring verboseHLine(int n)
54 for (int i = 0; i < n; ++i)
62 int extractInt(istream & is)
66 return (num == 0) ? 1 : num;
72 //////////////////////////////////////////////////////////////
75 InsetMathGrid::CellInfo::CellInfo()
82 //////////////////////////////////////////////////////////////
85 InsetMathGrid::RowInfo::RowInfo()
86 : lines_(0), skip_(0), allow_pagebreak_(true)
91 int InsetMathGrid::RowInfo::skipPixels() const
93 return crskip_.inBP();
98 //////////////////////////////////////////////////////////////
101 InsetMathGrid::ColInfo::ColInfo()
102 : align_('c'), lines_(0)
106 //////////////////////////////////////////////////////////////
109 InsetMathGrid::InsetMathGrid(char v, docstring const & h)
110 : InsetMathNest(guessColumns(h)),
112 colinfo_(guessColumns(h) + 1),
113 cellinfo_(1 * guessColumns(h))
118 //lyxerr << "created grid with " << ncols() << " columns" << endl;
122 InsetMathGrid::InsetMathGrid()
133 InsetMathGrid::InsetMathGrid(col_type m, row_type n)
134 : InsetMathNest(m * n),
144 InsetMathGrid::InsetMathGrid(col_type m, row_type n, char v, docstring const & h)
145 : InsetMathNest(m * n),
157 Inset * InsetMathGrid::clone() const
159 return new InsetMathGrid(*this);
163 InsetMath::idx_type InsetMathGrid::index(row_type row, col_type col) const
165 return col + ncols() * row;
169 void InsetMathGrid::setDefaults()
172 lyxerr << "positive number of columns expected" << endl;
174 // lyxerr << "positive number of rows expected" << endl;
175 for (col_type col = 0; col < ncols(); ++col) {
176 colinfo_[col].align_ = defaultColAlign(col);
177 colinfo_[col].skip_ = defaultColSpace(col);
178 colinfo_[col].special_.clear();
183 void InsetMathGrid::halign(docstring const & hh)
186 for (docstring::const_iterator it = hh.begin(); it != hh.end(); ++it) {
189 colinfo_[col].lines_++;
190 } else if ((c == 'p' || c == 'm' || c == 'b'||
191 c == '!' || c == '@' || c == '>' || c == '<') &&
192 it + 1 != hh.end() && *(it + 1) == '{') {
193 // @{decl.} and p{width} are standard LaTeX, the
194 // others are extensions by array.sty
195 bool const newcolumn = c == 'p' || c == 'm' || c == 'b';
197 // this declares a new column
199 // Only intercolumn stuff is allowed
200 // in the last dummy column
202 colinfo_[col].align_ = 'l';
204 // this is intercolumn stuff
205 if (colinfo_[col].special_.empty())
206 // Overtake possible lines
207 colinfo_[col].special_ = docstring(colinfo_[col].lines_, '|');
211 while (it != hh.end()) {
213 colinfo_[col].special_ += c;
219 if (brace_open > 0 && brace_open == brace_close)
224 colinfo_[col].lines_ = std::count(
225 colinfo_[col].special_.begin(),
226 colinfo_[col].special_.end(), '|');
227 LYXERR(Debug::MATHED)
228 << "special column separator: `"
229 << to_utf8(colinfo_[col].special_)
232 colinfo_[col].lines_ = 0;
233 colinfo_[col].special_.clear();
235 } else if (col >= ncols()) {
236 // Only intercolumn stuff is allowed in the last
239 } else if (c == 'c' || c == 'l' || c == 'r') {
240 colinfo_[col].align_ = static_cast<char>(c);
241 if (!colinfo_[col].special_.empty()) {
242 colinfo_[col].special_ += c;
243 colinfo_[col].lines_ = std::count(
244 colinfo_[col].special_.begin(),
245 colinfo_[col].special_.end(), '|');
246 LYXERR(Debug::MATHED)
247 << "special column separator: `"
248 << to_utf8(colinfo_[col].special_)
252 colinfo_[col].lines_ = 0;
253 colinfo_[col].special_.clear();
255 lyxerr << "unknown column separator: '" << c << "'" << endl;
260 col_type n = hh.size();
263 for (col_type col = 0; col < n; ++col)
264 colinfo_[col].align_ = hh[col];
269 InsetMathGrid::col_type InsetMathGrid::guessColumns(docstring const & hh) const
272 for (docstring::const_iterator it = hh.begin(); it != hh.end(); ++it)
273 if (*it == 'c' || *it == 'l' || *it == 'r'||
274 *it == 'p' || *it == 'm' || *it == 'b')
276 // let's have at least one column, even if we did not recognize its
284 void InsetMathGrid::halign(char h, col_type col)
286 colinfo_[col].align_ = h;
287 if (!colinfo_[col].special_.empty()) {
288 char_type & c = colinfo_[col].special_[colinfo_[col].special_.size() - 1];
289 if (c == 'l' || c == 'c' || c == 'r')
292 // FIXME: Change alignment of p, m and b columns, too
296 char InsetMathGrid::halign(col_type col) const
298 return colinfo_[col].align_;
302 docstring InsetMathGrid::halign() const
305 for (col_type col = 0; col < ncols(); ++col) {
306 if (colinfo_[col].special_.empty()) {
307 res += docstring(colinfo_[col].lines_, '|');
308 res += colinfo_[col].align_;
310 res += colinfo_[col].special_;
312 if (colinfo_[ncols()].special_.empty())
313 return res + docstring(colinfo_[ncols()].lines_, '|');
314 return res + colinfo_[ncols()].special_;
318 void InsetMathGrid::valign(char c)
324 char InsetMathGrid::valign() const
330 InsetMathGrid::col_type InsetMathGrid::ncols() const
332 return colinfo_.size() - 1;
336 InsetMathGrid::row_type InsetMathGrid::nrows() const
338 return rowinfo_.size() - 1;
342 InsetMathGrid::col_type InsetMathGrid::col(idx_type idx) const
344 return idx % ncols();
348 InsetMathGrid::row_type InsetMathGrid::row(idx_type idx) const
350 return idx / ncols();
354 void InsetMathGrid::vcrskip(Length const & crskip, row_type row)
356 rowinfo_[row].crskip_ = crskip;
360 Length InsetMathGrid::vcrskip(row_type row) const
362 return rowinfo_[row].crskip_;
366 void InsetMathGrid::metrics(MetricsInfo & mi, Dimension & dim) const
368 // let the cells adjust themselves
369 InsetMathNest::metrics(mi);
371 BufferView & bv = *mi.base.bv;
373 // compute absolute sizes of vertical structure
374 for (row_type row = 0; row < nrows(); ++row) {
377 for (col_type col = 0; col < ncols(); ++col) {
378 Dimension const & dimc = cell(index(row, col)).dimension(bv);
379 asc = max(asc, dimc.asc);
380 desc = max(desc, dimc.des);
382 rowinfo_[row].ascent_ = asc;
383 rowinfo_[row].descent_ = desc;
385 rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
386 rowinfo_[nrows()].ascent_ = 0;
387 rowinfo_[nrows()].descent_ = 0;
389 // compute vertical offsets
390 rowinfo_[0].offset_ = 0;
391 for (row_type row = 1; row <= nrows(); ++row) {
392 rowinfo_[row].offset_ =
393 rowinfo_[row - 1].offset_ +
394 rowinfo_[row - 1].descent_ +
395 rowinfo_[row - 1].skipPixels() +
397 rowinfo_[row].lines_ * hlinesep() +
398 rowinfo_[row].ascent_;
401 // adjust vertical offset
408 h = rowinfo_[nrows() - 1].offset_;
411 h = rowinfo_[nrows() - 1].offset_ / 2;
413 for (row_type row = 0; row <= nrows(); ++row)
414 rowinfo_[row].offset_ -= h;
417 // compute absolute sizes of horizontal structure
418 for (col_type col = 0; col < ncols(); ++col) {
420 for (row_type row = 0; row < nrows(); ++row)
421 wid = max(wid, cell(index(row, col)).dimension(bv).wid);
422 colinfo_[col].width_ = wid;
424 colinfo_[ncols()].width_ = 0;
426 // compute horizontal offsets
427 colinfo_[0].offset_ = border();
428 for (col_type col = 1; col <= ncols(); ++col) {
429 colinfo_[col].offset_ =
430 colinfo_[col - 1].offset_ +
431 colinfo_[col - 1].width_ +
432 colinfo_[col - 1].skip_ +
434 colinfo_[col].lines_ * vlinesep();
438 dim.wid = colinfo_[ncols() - 1].offset_
439 + colinfo_[ncols() - 1].width_
440 + vlinesep() * colinfo_[ncols()].lines_
443 dim.asc = - rowinfo_[0].offset_
444 + rowinfo_[0].ascent_
445 + hlinesep() * rowinfo_[0].lines_
448 dim.des = rowinfo_[nrows() - 1].offset_
449 + rowinfo_[nrows() - 1].descent_
450 + hlinesep() * rowinfo_[nrows()].lines_
455 // Increase ws_[i] for 'R' columns (except the first one)
456 for (int i = 1; i < nc_; ++i)
457 if (align_[i] == 'R')
458 ws_[i] += 10 * df_width;
459 // Increase ws_[i] for 'C' column
460 if (align_[0] == 'C')
461 if (ws_[0] < 7 * workwidth / 8)
462 ws_[0] = 7 * workwidth / 8;
466 for (cxrow = row_.begin(); cxrow; ++cxrow) {
469 for (int i = 0; i < nc_; ++i) {
471 if (cxrow->getTab(i) <= 0) {
472 cxrow->setTab(i, df_width);
480 lf = (ws_[i] - cxrow->getTab(i))/2;
484 lf = ws_[i] - cxrow->getTab(i);
487 if (cxrow == row_.begin())
489 else if (cxrow.is_last())
490 lf = ws_[i] - cxrow->getTab(i);
492 lf = (ws_[i] - cxrow->getTab(i))/2;
495 int const ww = (isvoid) ? lf : lf + cxrow->getTab(i);
496 cxrow->setTab(i, lf + rg);
497 rg = ws_[i] - ww + colsep();
498 if (cxrow == row_.begin())
499 width += ws_[i] + colsep();
501 cxrow->setBaseline(cxrow->getBaseline() - ascent);
504 metricsMarkers2(dim);
505 // Cache the inset dimension.
506 setDimCache(mi, dim);
510 void InsetMathGrid::draw(PainterInfo & pi, int x, int y) const
512 drawWithMargin(pi, x, y, 0, 0);
516 void InsetMathGrid::drawWithMargin(PainterInfo & pi, int x, int y,
517 int lmargin, int rmargin) const
519 Dimension const dim = dimension(*pi.base.bv);
520 BufferView const & bv = *pi.base.bv;
522 for (idx_type idx = 0; idx < nargs(); ++idx)
523 cell(idx).draw(pi, x + lmargin + cellXOffset(bv, idx),
524 y + cellYOffset(idx));
526 for (row_type row = 0; row <= nrows(); ++row)
527 for (unsigned int i = 0; i < rowinfo_[row].lines_; ++i) {
528 int yy = y + rowinfo_[row].offset_ - rowinfo_[row].ascent_
529 - i * hlinesep() - hlinesep()/2 - rowsep()/2;
530 pi.pain.line(x + lmargin + 1, yy,
531 x + dim.width() - rmargin - 1, yy,
535 for (col_type col = 0; col <= ncols(); ++col)
536 for (unsigned int i = 0; i < colinfo_[col].lines_; ++i) {
537 int xx = x + lmargin + colinfo_[col].offset_
538 - i * vlinesep() - vlinesep()/2 - colsep()/2;
539 pi.pain.line(xx, y - dim.ascent() + 1,
540 xx, y + dim.descent() - 1,
543 drawMarkers2(pi, x, y);
547 void InsetMathGrid::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
549 // let the cells adjust themselves
550 //InsetMathNest::metrics(mi);
551 for (idx_type i = 0; i < nargs(); ++i)
552 cell(i).metricsT(mi, dim);
554 // compute absolute sizes of vertical structure
555 for (row_type row = 0; row < nrows(); ++row) {
558 for (col_type col = 0; col < ncols(); ++col) {
559 //MathData const & c = cell(index(row, col));
562 asc = max(asc, dimc.ascent());
563 desc = max(desc, dimc.descent());
565 rowinfo_[row].ascent_ = asc;
566 rowinfo_[row].descent_ = desc;
568 //rowinfo_[0].ascent_ += hlinesep() * rowinfo_[0].lines_;
569 rowinfo_[nrows()].ascent_ = 0;
570 rowinfo_[nrows()].descent_ = 0;
572 // compute vertical offsets
573 rowinfo_[0].offset_ = 0;
574 for (row_type row = 1; row <= nrows(); ++row) {
575 rowinfo_[row].offset_ =
576 rowinfo_[row - 1].offset_ +
577 rowinfo_[row - 1].descent_ +
578 //rowinfo_[row - 1].skipPixels() +
580 //rowinfo_[row].lines_ * hlinesep() +
581 rowinfo_[row].ascent_;
584 // adjust vertical offset
591 h = rowinfo_[nrows() - 1].offset_;
594 h = rowinfo_[nrows() - 1].offset_ / 2;
596 for (row_type row = 0; row <= nrows(); ++row)
597 rowinfo_[row].offset_ -= h;
600 // compute absolute sizes of horizontal structure
601 for (col_type col = 0; col < ncols(); ++col) {
603 for (row_type row = 0; row < nrows(); ++row) {
605 //wid = max(wid, cell(index(row, col)).width());
607 colinfo_[col].width_ = wid;
609 colinfo_[ncols()].width_ = 0;
611 // compute horizontal offsets
612 colinfo_[0].offset_ = border();
613 for (col_type col = 1; col <= ncols(); ++col) {
614 colinfo_[col].offset_ =
615 colinfo_[col - 1].offset_ +
616 colinfo_[col - 1].width_ +
617 colinfo_[col - 1].skip_ +
619 //colinfo_[col].lines_ * vlinesep();
623 dim.wid = colinfo_[ncols() - 1].offset_
624 + colinfo_[ncols() - 1].width_
625 //+ vlinesep() * colinfo_[ncols()].lines_
628 dim.asc = -rowinfo_[0].offset_
629 + rowinfo_[0].ascent_
630 //+ hlinesep() * rowinfo_[0].lines_
633 dim.des = rowinfo_[nrows() - 1].offset_
634 + rowinfo_[nrows() - 1].descent_
635 //+ hlinesep() * rowinfo_[nrows()].lines_
640 void InsetMathGrid::drawT(TextPainter & pain, int x, int y) const
642 // for (idx_type idx = 0; idx < nargs(); ++idx)
643 // cell(idx).drawT(pain, x + cellXOffset(idx), y + cellYOffset(idx));
647 docstring InsetMathGrid::eolString(row_type row, bool emptyline, bool fragile) const
651 if (!rowinfo_[row].crskip_.zero())
652 eol += '[' + from_utf8(rowinfo_[row].crskip_.asLatexString()) + ']';
653 else if(!rowinfo_[row].allow_pagebreak_)
656 // make sure an upcoming '[' does not break anything
657 if (row + 1 < nrows()) {
658 MathData const & c = cell(index(row + 1, 0));
659 if (c.size() && c.front()->getChar() == '[')
664 // only add \\ if necessary
665 if (eol.empty() && row + 1 == nrows() && (nrows() == 1 || !emptyline))
668 return (fragile ? "\\protect\\\\" : "\\\\") + eol;
672 docstring InsetMathGrid::eocString(col_type col, col_type lastcol) const
674 if (col + 1 == lastcol)
676 return from_ascii(" & ");
680 void InsetMathGrid::appendRow(row_type row)
682 rowinfo_.insert(rowinfo_.begin() + row + 1, RowInfo());
684 (cells_.begin() + (row + 1) * ncols(), ncols(), MathData());
686 (cellinfo_.begin() + (row + 1) * ncols(), ncols(), CellInfo());
690 void InsetMathGrid::appendRow()
692 rowinfo_.push_back(RowInfo());
693 //cells_.insert(cells_.end(), ncols(), MathData());
694 for (col_type col = 0; col < ncols(); ++col) {
695 cells_.push_back(cells_type::value_type());
696 cellinfo_.push_back(CellInfo());
701 void InsetMathGrid::delRow(row_type row)
706 cells_type::iterator it = cells_.begin() + row * ncols();
707 cells_.erase(it, it + ncols());
709 vector<CellInfo>::iterator jt = cellinfo_.begin() + row * ncols();
710 cellinfo_.erase(jt, jt + ncols());
712 rowinfo_.erase(rowinfo_.begin() + row);
716 void InsetMathGrid::copyRow(row_type row)
719 for (col_type col = 0; col < ncols(); ++col)
720 cells_[(row + 1) * ncols() + col] = cells_[row * ncols() + col];
724 void InsetMathGrid::swapRow(row_type row)
728 if (row + 1 == nrows())
730 for (col_type col = 0; col < ncols(); ++col)
731 swap(cells_[row * ncols() + col], cells_[(row + 1) * ncols() + col]);
735 void InsetMathGrid::addCol(col_type newcol)
737 const col_type nc = ncols();
738 const row_type nr = nrows();
739 cells_type new_cells((nc + 1) * nr);
740 vector<CellInfo> new_cellinfo((nc + 1) * nr);
742 for (row_type row = 0; row < nr; ++row)
743 for (col_type col = 0; col < nc; ++col) {
744 new_cells[row * (nc + 1) + col + (col >= newcol)]
745 = cells_[row * nc + col];
746 new_cellinfo[row * (nc + 1) + col + (col >= newcol)]
747 = cellinfo_[row * nc + col];
749 swap(cells_, new_cells);
750 swap(cellinfo_, new_cellinfo);
753 inf.skip_ = defaultColSpace(newcol);
754 inf.align_ = defaultColAlign(newcol);
755 colinfo_.insert(colinfo_.begin() + newcol, inf);
759 void InsetMathGrid::delCol(col_type col)
765 vector<CellInfo> tmpcellinfo;
766 for (col_type i = 0; i < nargs(); ++i)
767 if (i % ncols() != col) {
768 tmpcells.push_back(cells_[i]);
769 tmpcellinfo.push_back(cellinfo_[i]);
771 swap(cells_, tmpcells);
772 swap(cellinfo_, tmpcellinfo);
774 colinfo_.erase(colinfo_.begin() + col);
778 void InsetMathGrid::copyCol(col_type col)
781 for (row_type row = 0; row < nrows(); ++row)
782 cells_[row * ncols() + col + 1] = cells_[row * ncols() + col];
786 void InsetMathGrid::swapCol(col_type col)
790 if (col + 1 == ncols())
792 for (row_type row = 0; row < nrows(); ++row)
793 swap(cells_[row * ncols() + col], cells_[row * ncols() + col + 1]);
797 int InsetMathGrid::cellXOffset(BufferView const & bv, idx_type idx) const
799 col_type c = col(idx);
800 int x = colinfo_[c].offset_;
801 char align = colinfo_[c].align_;
802 Dimension const & celldim = cell(idx).dimension(bv);
803 if (align == 'r' || align == 'R')
804 x += colinfo_[c].width_ - celldim.wid;
805 if (align == 'c' || align == 'C')
806 x += (colinfo_[c].width_ - celldim.wid) / 2;
811 int InsetMathGrid::cellYOffset(idx_type idx) const
813 return rowinfo_[row(idx)].offset_;
817 bool InsetMathGrid::idxUpDown(Cursor & cur, bool up) const
822 cur.idx() -= ncols();
824 if (cur.row() + 1 >= nrows())
826 cur.idx() += ncols();
828 cur.pos() = cur.cell().x2pos(cur.x_target() - cur.cell().xo(cur.bv()));
833 bool InsetMathGrid::idxLeft(Cursor & cur) const
835 // leave matrix if on the left hand edge
839 cur.pos() = cur.lastpos();
844 bool InsetMathGrid::idxRight(Cursor & cur) const
846 // leave matrix if on the right hand edge
847 if (cur.col() + 1 == ncols())
855 bool InsetMathGrid::idxFirst(Cursor & cur) const
862 cur.idx() = (nrows() - 1) * ncols();
865 cur.idx() = ((nrows() - 1) / 2) * ncols();
872 bool InsetMathGrid::idxLast(Cursor & cur) const
876 cur.idx() = ncols() - 1;
879 cur.idx() = nargs() - 1;
882 cur.idx() = ((nrows() - 1) / 2 + 1) * ncols() - 1;
884 cur.pos() = cur.lastpos();
889 bool InsetMathGrid::idxDelete(idx_type & idx)
891 // nothing to do if we have just one row
895 // nothing to do if we are in the middle of the last row of the inset
896 if (idx + ncols() > nargs())
899 // try to delete entire sequence of ncols() empty cells if possible
900 for (idx_type i = idx; i < idx + ncols(); ++i)
904 // move cells if necessary
905 for (idx_type i = index(row(idx), 0); i < idx; ++i)
906 swap(cell(i), cell(i + ncols()));
913 // undo effect of Ctrl-Tab (i.e. pull next cell)
914 //if (idx + 1 != nargs())
915 // cell(idx).swap(cell(idx + 1));
917 // we handled the event..
922 // reimplement old behaviour when pressing Delete in the last position
924 void InsetMathGrid::idxGlue(idx_type idx)
926 col_type c = col(idx);
927 if (c + 1 == ncols()) {
928 if (row(idx) + 1 != nrows()) {
929 for (col_type cc = 0; cc < ncols(); ++cc)
930 cell(idx).append(cell(idx + cc + 1));
931 delRow(row(idx) + 1);
934 cell(idx).append(cell(idx + 1));
935 for (col_type cc = c + 2; cc < ncols(); ++cc)
936 cell(idx - c + cc - 1) = cell(idx - c + cc);
937 cell(idx - c + ncols() - 1).clear();
942 InsetMathGrid::RowInfo const & InsetMathGrid::rowinfo(row_type row) const
944 return rowinfo_[row];
948 InsetMathGrid::RowInfo & InsetMathGrid::rowinfo(row_type row)
950 return rowinfo_[row];
954 bool InsetMathGrid::idxBetween(idx_type idx, idx_type from, idx_type to) const
956 row_type const ri = row(idx);
957 row_type const r1 = min(row(from), row(to));
958 row_type const r2 = max(row(from), row(to));
959 col_type const ci = col(idx);
960 col_type const c1 = min(col(from), col(to));
961 col_type const c2 = max(col(from), col(to));
962 return r1 <= ri && ri <= r2 && c1 <= ci && ci <= c2;
967 void InsetMathGrid::normalize(NormalStream & os) const
970 for (row_type row = 0; row < nrows(); ++row) {
972 for (col_type col = 0; col < ncols(); ++col)
973 os << "[cell " << cell(index(row, col)) << ']';
980 void InsetMathGrid::mathmlize(MathStream & os) const
982 os << MTag("mtable");
983 for (row_type row = 0; row < nrows(); ++row) {
985 for (col_type col = 0; col < ncols(); ++col)
986 os << cell(index(row, col));
989 os << ETag("mtable");
993 void InsetMathGrid::write(WriteStream & os) const
996 for (row_type row = 0; row < nrows(); ++row) {
997 os << verboseHLine(rowinfo_[row].lines_);
998 // don't write & and empty cells at end of line
999 col_type lastcol = 0;
1000 bool emptyline = true;
1001 for (col_type col = 0; col < ncols(); ++col)
1002 if (!cell(index(row, col)).empty()) {
1006 for (col_type col = 0; col < lastcol; ++col)
1007 os << cell(index(row, col)) << eocString(col, lastcol);
1008 eol = eolString(row, emptyline, os.fragile());
1010 // append newline only if line wasn't completely empty
1011 // and this was not the last line in the grid
1012 if (!emptyline && row + 1 < nrows())
1015 docstring const s = verboseHLine(rowinfo_[nrows()].lines_);
1027 int InsetMathGrid::colsep() const
1033 int InsetMathGrid::rowsep() const
1039 int InsetMathGrid::hlinesep() const
1045 int InsetMathGrid::vlinesep() const
1051 int InsetMathGrid::border() const
1057 void InsetMathGrid::splitCell(Cursor & cur)
1059 if (cur.idx() == cur.lastidx())
1061 MathData ar = cur.cell();
1062 ar.erase(0, cur.pos());
1063 cur.cell().erase(cur.pos(), cur.lastpos());
1066 cur.cell().insert(0, ar);
1070 void InsetMathGrid::doDispatch(Cursor & cur, FuncRequest & cmd)
1072 //lyxerr << "*** InsetMathGrid: request: " << cmd << endl;
1073 switch (cmd.action) {
1075 // insert file functions
1076 case LFUN_LINE_DELETE:
1077 // FIXME: We use recordUndoInset when a change reflects more
1078 // than one cell, because recordUndo does not work for
1079 // multiple cells. Unfortunately this puts the cursor in front
1080 // of the inset after undo. This is (especilally for large
1082 cur.recordUndoInset();
1083 //autocorrect_ = false;
1091 if (cur.idx() > cur.lastidx())
1092 cur.idx() = cur.lastidx();
1093 if (cur.pos() > cur.lastpos())
1094 cur.pos() = cur.lastpos();
1097 case LFUN_CELL_SPLIT:
1102 case LFUN_CELL_BACKWARD:
1104 cur.selection() = false;
1105 if (!idxPrev(cur)) {
1106 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
1111 case LFUN_CELL_FORWARD:
1112 // Can't handle selection by additional 'shift' as this is
1113 // hard bound to LFUN_CELL_BACKWARD
1114 cur.selection() = false;
1115 if (!idxNext(cur)) {
1116 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1121 case LFUN_BREAK_LINE: {
1122 cur.recordUndoInset();
1123 row_type const r = cur.row();
1127 for (col_type c = col(cur.idx()) + 1; c < ncols(); ++c)
1128 swap(cell(index(r, c)), cell(index(r + 1, c)));
1132 swap(cell(cur.idx()), cell(cur.idx() + ncols() - 1));
1135 cur.pos() = cur.lastpos();
1137 //mathcursor->normalize();
1138 //cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
1142 case LFUN_TABULAR_FEATURE: {
1143 cur.recordUndoInset();
1144 //lyxerr << "handling tabular-feature " << to_utf8(cmd.argument()) << endl;
1145 istringstream is(to_utf8(cmd.argument()));
1148 if (s == "valign-top")
1150 else if (s == "valign-middle")
1152 else if (s == "valign-bottom")
1154 else if (s == "align-left")
1155 halign('l', cur.col());
1156 else if (s == "align-right")
1157 halign('r', cur.col());
1158 else if (s == "align-center")
1159 halign('c', cur.col());
1160 else if (s == "append-row")
1161 for (int i = 0, n = extractInt(is); i < n; ++i)
1162 appendRow(cur.row());
1163 else if (s == "delete-row") {
1164 for (int i = 0, n = extractInt(is); i < n; ++i) {
1166 if (cur.idx() >= nargs())
1167 cur.idx() -= ncols();
1169 cur.pos() = 0; // trick, see below
1171 else if (s == "copy-row") {
1172 // Here (as later) we save the cursor col/row
1173 // in order to restore it after operation.
1174 row_type const r = cur.row();
1175 col_type const c = cur.col();
1176 for (int i = 0, n = extractInt(is); i < n; ++i)
1178 cur.idx() = index(r, c);
1180 else if (s == "swap-row") {
1182 // Trick to suppress same-idx-means-different-cell
1186 else if (s == "add-hline-above")
1187 rowinfo_[cur.row()].lines_++;
1188 else if (s == "add-hline-below")
1189 rowinfo_[cur.row()+1].lines_++;
1190 else if (s == "delete-hline-above")
1191 rowinfo_[cur.row()].lines_--;
1192 else if (s == "delete-hline-below")
1193 rowinfo_[cur.row()+1].lines_--;
1194 else if (s == "append-column") {
1195 row_type const r = cur.row();
1196 col_type const c = cur.col();
1197 for (int i = 0, n = extractInt(is); i < n; ++i)
1198 addCol(cur.col() + 1);
1199 cur.idx() = index(r, c);
1201 else if (s == "delete-column") {
1202 row_type const r = cur.row();
1203 col_type const c = cur.col();
1204 for (int i = 0, n = extractInt(is); i < n; ++i)
1205 delCol(col(cur.idx()));
1206 cur.idx() = index(r, min(c, cur.ncols() - 1));
1207 cur.pos() = 0; // trick, see above
1209 else if (s == "copy-column") {
1210 row_type const r = cur.row();
1211 col_type const c = cur.col();
1213 cur.idx() = index(r, c);
1215 else if (s == "swap-column") {
1217 cur.pos() = 0; // trick, see above
1219 else if (s == "add-vline-left") {
1220 colinfo_[cur.col()].lines_++;
1221 if (!colinfo_[cur.col()].special_.empty())
1222 colinfo_[cur.col()].special_ += '|';
1224 else if (s == "add-vline-right") {
1225 colinfo_[cur.col()+1].lines_++;
1226 if (!colinfo_[cur.col()+1].special_.empty())
1227 colinfo_[cur.col()+1].special_.insert(0, 1, '|');
1229 else if (s == "delete-vline-left") {
1230 colinfo_[cur.col()].lines_--;
1231 docstring & special = colinfo_[cur.col()].special_;
1232 if (!special.empty()) {
1233 docstring::size_type i = special.rfind('|');
1234 BOOST_ASSERT(i != docstring::npos);
1235 special.erase(i, 1);
1238 else if (s == "delete-vline-right") {
1239 colinfo_[cur.col()+1].lines_--;
1240 docstring & special = colinfo_[cur.col()+1].special_;
1241 if (!special.empty()) {
1242 docstring::size_type i = special.find('|');
1243 BOOST_ASSERT(i != docstring::npos);
1244 special.erase(i, 1);
1251 // perhaps this should be FINISHED_BACKWARD -- just for clarity?
1252 lyxerr << "returning FINISHED_LEFT" << endl;
1257 cur.message(_("Paste"));
1258 cap::replaceSelection(cur);
1260 if (cmd.argument().empty() && !theClipboard().isInternal())
1261 topaste = theClipboard().getAsText();
1263 idocstringstream is(cmd.argument());
1266 topaste = cap::getSelection(cur.buffer(), n);
1268 InsetMathGrid grid(1, 1);
1269 if (!topaste.empty())
1270 mathed_parse_normal(grid, topaste);
1272 if (grid.nargs() == 1) {
1273 // single cell/part of cell
1275 cur.cell().insert(cur.pos(), grid.cell(0));
1276 cur.pos() += grid.cell(0).size();
1279 cur.recordUndoInset();
1280 col_type const numcols =
1281 min(grid.ncols(), ncols() - col(cur.idx()));
1282 row_type const numrows =
1283 min(grid.nrows(), nrows() - cur.row());
1284 for (row_type r = 0; r < numrows; ++r) {
1285 for (col_type c = 0; c < numcols; ++c) {
1286 idx_type i = index(r + cur.row(), c + col(cur.idx()));
1287 cell(i).insert(0, grid.cell(grid.index(r, c)));
1289 // append the left over horizontal cells to the last column
1290 idx_type i = index(r + cur.row(), ncols() - 1);
1291 for (InsetMath::col_type c = numcols; c < grid.ncols(); ++c)
1292 cell(i).append(grid.cell(grid.index(r, c)));
1294 // append the left over vertical cells to the last _cell_
1295 idx_type i = nargs() - 1;
1296 for (row_type r = numrows; r < grid.nrows(); ++r)
1297 for (col_type c = 0; c < grid.ncols(); ++c)
1298 cell(i).append(grid.cell(grid.index(r, c)));
1300 cur.clearSelection(); // bug 393
1305 case LFUN_LINE_BEGIN_SELECT:
1306 case LFUN_LINE_BEGIN:
1307 case LFUN_WORD_BACKWARD_SELECT:
1308 case LFUN_WORD_BACKWARD:
1309 case LFUN_WORD_LEFT_SELECT:
1310 case LFUN_WORD_LEFT:
1311 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
1312 cmd.action == LFUN_WORD_LEFT_SELECT ||
1313 cmd.action == LFUN_LINE_BEGIN_SELECT);
1314 cur.macroModeClose();
1315 if (cur.pos() != 0) {
1317 } else if (cur.idx() % cur.ncols() != 0) {
1318 cur.idx() -= cur.idx() % cur.ncols();
1320 } else if (cur.idx() != 0) {
1324 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
1329 case LFUN_WORD_FORWARD_SELECT:
1330 case LFUN_WORD_FORWARD:
1331 case LFUN_WORD_RIGHT_SELECT:
1332 case LFUN_WORD_RIGHT:
1333 case LFUN_LINE_END_SELECT:
1335 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
1336 cmd.action == LFUN_WORD_RIGHT_SELECT ||
1337 cmd.action == LFUN_LINE_END_SELECT);
1338 cur.macroModeClose();
1340 if (cur.pos() != cur.lastpos()) {
1341 cur.pos() = cur.lastpos();
1342 } else if ((cur.idx() + 1) % cur.ncols() != 0) {
1343 cur.idx() += cur.ncols() - 1 - cur.idx() % cur.ncols();
1344 cur.pos() = cur.lastpos();
1345 } else if (cur.idx() != cur.lastidx()) {
1346 cur.idx() = cur.lastidx();
1347 cur.pos() = cur.lastpos();
1349 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
1355 InsetMathNest::doDispatch(cur, cmd);
1360 bool InsetMathGrid::getStatus(Cursor & cur, FuncRequest const & cmd,
1361 FuncStatus & status) const
1363 switch (cmd.action) {
1364 case LFUN_TABULAR_FEATURE: {
1365 string const s = to_utf8(cmd.argument());
1366 if (nrows() <= 1 && (s == "delete-row" || s == "swap-row")) {
1367 status.enabled(false);
1368 status.message(from_utf8(N_("Only one row")));
1372 (s == "delete-column" || s == "swap-column")) {
1373 status.enabled(false);
1374 status.message(from_utf8(N_("Only one column")));
1377 if ((rowinfo_[cur.row()].lines_ == 0 &&
1378 s == "delete-hline-above") ||
1379 (rowinfo_[cur.row() + 1].lines_ == 0 &&
1380 s == "delete-hline-below")) {
1381 status.enabled(false);
1382 status.message(from_utf8(N_("No hline to delete")));
1386 if ((colinfo_[cur.col()].lines_ == 0 &&
1387 s == "delete-vline-left") ||
1388 (colinfo_[cur.col() + 1].lines_ == 0 &&
1389 s == "delete-vline-right")) {
1390 status.enabled(false);
1391 status.message(from_utf8(N_("No vline to delete")));
1394 if (s == "valign-top" || s == "valign-middle" ||
1395 s == "valign-bottom" || s == "align-left" ||
1396 s == "align-right" || s == "align-center" ||
1397 s == "append-row" || s == "delete-row" ||
1398 s == "copy-row" || s == "swap-row" ||
1399 s == "add-hline-above" || s == "add-hline-below" ||
1400 s == "delete-hline-above" || s == "delete-hline-below" ||
1401 s == "append-column" || s == "delete-column" ||
1402 s == "copy-column" || s == "swap-column" ||
1403 s == "add-vline-left" || s == "add-vline-right" ||
1404 s == "delete-vline-left" || s == "delete-vline-right")
1405 status.enabled(true);
1407 status.enabled(false);
1408 status.message(bformat(
1409 from_utf8(N_("Unknown tabular feature '%1$s'")), lyx::from_ascii(s)));
1412 status.setOnOff((s == "align-left" && halign(cur.col()) == 'l')
1413 || (s == "align-right" && halign(cur.col()) == 'r')
1414 || (s == "align-center" && halign(cur.col()) == 'c')
1415 || (s == "valign-top" && valign() == 't')
1416 || (s == "valign-bottom" && valign() == 'b')
1417 || (s == "valign-middle" && valign() == 'm'));
1420 // FIXME: What did this code do?
1421 // Please check whether it is still needed!
1422 // should be more precise
1423 if (v_align_ == '\0') {
1424 status.enable(true);
1427 if (cmd.argument().empty()) {
1428 status.enable(false);
1431 if (!support::contains("tcb", cmd.argument()[0])) {
1432 status.enable(false);
1435 status.setOnOff(cmd.argument()[0] == v_align_);
1436 status.enabled(true);
1441 case LFUN_CELL_SPLIT:
1442 status.enabled(true);
1445 case LFUN_CELL_BACKWARD:
1446 case LFUN_CELL_FORWARD:
1447 status.enabled(true);
1451 return InsetMathNest::getStatus(cur, cmd, status);