3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Stefan Schimanski
9 * Full author contact details are available in file CREDITS.
16 #include "InsetMathBrace.h"
17 #include "InsetMathFont.h"
18 #include "InsetMathScript.h"
19 #include "MacroTable.h"
20 #include "InsetMathMacro.h"
21 #include "MathStream.h"
22 #include "MathSupport.h"
23 #include "MetricsInfo.h"
24 #include "ReplaceData.h"
27 #include "BufferView.h"
28 #include "CoordCache.h"
31 #include "mathed/InsetMathUnknown.h"
33 #include "frontends/FontMetrics.h"
34 #include "frontends/Painter.h"
36 #include "support/debug.h"
37 #include "support/docstream.h"
38 #include "support/gettext.h"
39 #include "support/lassert.h"
40 #include "support/lyxalgo.h"
49 MathData::MathData(Buffer * buf, const_iterator from, const_iterator to)
50 : base_type(from, to), minasc_(0), mindes_(0), slevel_(0),
51 sshift_(0), kerning_(0), buffer_(buf)
55 MathAtom & MathData::operator[](pos_type pos)
57 LBUFERR(pos < size());
58 return base_type::operator[](pos);
62 MathAtom const & MathData::operator[](pos_type pos) const
64 LBUFERR(pos < size());
65 return base_type::operator[](pos);
69 void MathData::insert(size_type pos, MathAtom const & t)
71 LBUFERR(pos <= size());
72 base_type::insert(begin() + pos, t);
76 void MathData::insert(size_type pos, MathData const & ar)
78 LBUFERR(pos <= size());
79 base_type::insert(begin() + pos, ar.begin(), ar.end());
83 void MathData::append(MathData const & ar)
89 void MathData::erase(size_type pos)
96 void MathData::erase(iterator pos1, iterator pos2)
98 base_type::erase(pos1, pos2);
102 void MathData::erase(iterator pos)
104 base_type::erase(pos);
108 void MathData::erase(size_type pos1, size_type pos2)
110 base_type::erase(begin() + pos1, begin() + pos2);
114 void MathData::dump2() const
118 for (const_iterator it = begin(); it != end(); ++it)
120 lyxerr << to_utf8(os.str());
124 void MathData::dump() const
128 for (const_iterator it = begin(); it != end(); ++it)
129 ns << '<' << *it << '>';
130 lyxerr << to_utf8(os.str());
134 void MathData::validate(LaTeXFeatures & features) const
136 for (const_iterator it = begin(); it != end(); ++it)
137 (*it)->validate(features);
141 bool MathData::match(MathData const & ar) const
143 return size() == ar.size() && matchpart(ar, 0);
147 bool MathData::matchpart(MathData const & ar, pos_type pos) const
149 if (size() < ar.size() + pos)
151 const_iterator it = begin() + pos;
152 for (const_iterator jt = ar.begin(); jt != ar.end(); ++jt, ++it)
153 if (asString(*it) != asString(*jt))
159 void MathData::replace(ReplaceData & rep)
161 for (size_type i = 0; i < size(); ++i) {
162 if (find1(rep.from, i)) {
164 lyxerr << "match found!" << endl;
165 erase(i, i + rep.from.size());
170 // FIXME: temporarily disabled
171 // for (const_iterator it = begin(); it != end(); ++it)
172 // it->nucleus()->replace(rep);
176 bool MathData::find1(MathData const & ar, size_type pos) const
178 lyxerr << "finding '" << ar << "' in '" << *this << "'" << endl;
179 for (size_type i = 0, n = ar.size(); i < n; ++i)
180 if (asString(operator[](pos + i)) != asString(ar[i]))
186 MathData::size_type MathData::find(MathData const & ar) const
188 for (int i = 0, last = size() - ar.size(); i < last; ++i)
195 MathData::size_type MathData::find_last(MathData const & ar) const
197 for (int i = size() - ar.size(); i >= 0; --i)
204 bool MathData::contains(MathData const & ar) const
206 if (find(ar) != size())
208 for (const_iterator it = begin(); it != end(); ++it)
209 if ((*it)->contains(ar))
215 void MathData::touch() const
220 bool MathData::addToMathRow(MathRow & mrow, MetricsInfo & mi) const
222 bool has_contents = false;
223 BufferView * bv = mi.base.bv;
224 MathData * ar = const_cast<MathData*>(this);
225 ar->updateMacros(&bv->cursor(), mi.macrocontext,
226 InternalUpdate, mi.base.macro_nesting);
229 // FIXME: for completion, try to insert the relevant data in the
230 // mathrow (like is done for text rows). We could add a pair of
231 // InsetMathColor inset, but these come with extra spacing of
233 DocIterator const & inlineCompletionPos = bv->inlineCompletionPos();
234 bool const has_completion = inlineCompletionPos.inMathed()
235 && &inlineCompletionPos.cell() == this;
236 size_t const compl_pos = has_completion ? inlineCompletionPos.pos() : 0;
238 for (size_t i = 0 ; i < size() ; ++i) {
239 has_contents |= (*this)[i]->addToMathRow(mrow, mi);
240 if (i + 1 == compl_pos) {
241 mrow.back().compl_text = bv->inlineCompletion();
242 mrow.back().compl_unique_to = bv->inlineCompletionUniqueChars();
252 bool isInside(DocIterator const & it, MathData const & ar,
253 pos_type p1, pos_type p2)
255 for (size_t i = 0; i != it.depth(); ++i) {
256 CursorSlice const & sl = it[i];
257 if (sl.inset().inMathed() && &sl.cell() == &ar)
258 return p1 <= sl.pos() && sl.pos() < p2;
267 bool MathData::hasCaret(BufferView * bv) const
269 Cursor & cur = bv->cursor();
270 return cur.inMathed() && &cur.cell() == this;
274 void MathData::metrics(MetricsInfo & mi, Dimension & dim, bool tight) const
276 frontend::FontMetrics const & fm = theFontMetrics(mi.base.font);
277 BufferView * bv = mi.base.bv;
278 int const Iascent = fm.dimension('I').ascent();
279 int xascent = fm.dimension('x').ascent();
280 if (xascent >= Iascent)
281 xascent = (2 * Iascent) / 3;
283 mindes_ = (3 * xascent) / 4;
284 slevel_ = (4 * xascent) / 5;
285 sshift_ = xascent / 4;
287 MathRow mrow(mi, this);
288 bool has_caret = mrow.metrics(mi, dim);
289 mrow_cache_[bv] = mrow;
290 kerning_ = mrow.kerning(bv);
292 // Set a minimal ascent/descent for the cell
294 // FIXME: this is the minimal ascent seen empirically, check
295 // what the TeXbook says.
296 dim.asc = max(dim.asc, fm.ascent('x'));
298 dim.asc = max(dim.asc, fm.maxAscent());
299 dim.des = max(dim.des, fm.maxDescent());
302 // This is one of the the few points where the drawing font is known,
303 // so that we can set the caret vertical dimensions.
304 has_caret |= hasCaret(bv);
306 bv->setCaretAscentDescent(min(dim.asc, fm.maxAscent()),
307 min(dim.des, fm.maxDescent()));
309 // Cache the dimension.
310 bv->coordCache().arrays().add(this, dim);
314 void MathData::drawSelection(PainterInfo & pi, int const x, int const y) const
316 BufferView const * bv = pi.base.bv;
317 Cursor const & cur = bv->cursor();
318 InsetMath const * inset = cur.inset().asInsetMath();
319 if (!cur.selection() || !inset || inset->nargs() == 0)
322 CursorSlice const s1 = cur.selBegin();
323 CursorSlice const s2 = cur.selEnd();
324 MathData const & c1 = inset->cell(s1.idx());
326 if (s1.idx() == s2.idx() && &c1 == this) {
327 // selection indide cell
328 Dimension const dim = bv->coordCache().getArrays().dim(&c1);
329 int const beg = c1.pos2x(bv, s1.pos());
330 int const end = c1.pos2x(bv, s2.pos());
331 pi.pain.fillRectangle(x + beg, y - dim.ascent(),
332 end - beg, dim.height(), Color_selection);
334 for (idx_type i = 0; i < inset->nargs(); ++i) {
335 MathData const & c = inset->cell(i);
336 if (&c == this && inset->idxBetween(i, s1.idx(), s2.idx())) {
337 // The whole cell is selected
338 Dimension const dim = bv->coordCache().getArrays().dim(&c);
339 pi.pain.fillRectangle(x, y - dim.ascent(),
340 dim.width(), dim.height(),
348 void MathData::draw(PainterInfo & pi, int const x, int const y) const
350 //lyxerr << "MathData::draw: x: " << x << " y: " << y << endl;
351 setXY(*pi.base.bv, x, y);
353 drawSelection(pi, x, y);
354 MathRow const & mrow = mrow_cache_[pi.base.bv];
359 void MathData::metricsT(TextMetricsInfo const & mi, Dimension & dim) const
363 for (const_iterator it = begin(); it != end(); ++it) {
364 (*it)->metricsT(mi, d);
370 void MathData::drawT(TextPainter & pain, int x, int y) const
372 //lyxerr << "x: " << x << " y: " << y << ' ' << pain.workAreaHeight() << endl;
374 // FIXME: Abdel 16/10/2006
375 // This drawT() method is never used, this is dead code.
377 for (const_iterator it = begin(), et = end(); it != et; ++it) {
378 (*it)->drawT(pain, x, y);
379 //x += (*it)->width_;
385 void MathData::updateBuffer(ParIterator const & it, UpdateType utype)
388 for (size_t i = 0, n = size(); i != n; ++i) {
389 MathAtom & at = operator[](i);
390 at.nucleus()->updateBuffer(it, utype);
395 void MathData::updateMacros(Cursor * cur, MacroContext const & mc,
396 UpdateType utype, int nesting)
398 // If we are editing a macro, we cannot update it immediately,
399 // otherwise wrong undo steps will be recorded (bug 6208).
400 InsetMath const * inmath = cur ? cur->inset().asInsetMath() : 0;
401 InsetMathMacro const * inmacro = inmath ? inmath->asMacro() : 0;
402 docstring const edited_name = inmacro ? inmacro->name() : docstring();
404 // go over the array and look for macros
405 for (size_t i = 0; i < size(); ++i) {
406 InsetMathMacro * macroInset = operator[](i).nucleus()->asMacro();
407 if (!macroInset || macroInset->macroName().empty()
408 || macroInset->macroName()[0] == '^'
409 || macroInset->macroName()[0] == '_'
410 || (macroInset->name() == edited_name
411 && macroInset->displayMode() ==
412 InsetMathMacro::DISPLAY_UNFOLDED))
416 macroInset->updateMacro(mc);
417 size_t macroNumArgs = 0;
418 size_t macroOptionals = 0;
419 MacroData const * macro = macroInset->macro();
421 macroNumArgs = macro->numargs();
422 macroOptionals = macro->optionals();
425 // store old and compute new display mode
426 InsetMathMacro::DisplayMode newDisplayMode;
427 InsetMathMacro::DisplayMode oldDisplayMode = macroInset->displayMode();
428 newDisplayMode = macroInset->computeDisplayMode();
430 // arity changed or other reason to detach?
431 if (oldDisplayMode == InsetMathMacro::DISPLAY_NORMAL
432 && (macroInset->arity() != macroNumArgs
433 || macroInset->optionals() != macroOptionals
434 || newDisplayMode == InsetMathMacro::DISPLAY_UNFOLDED))
435 detachMacroParameters(cur, i);
437 // the macro could have been copied while resizing this
438 macroInset = operator[](i).nucleus()->asMacro();
441 if (newDisplayMode != InsetMathMacro::DISPLAY_UNFOLDED
442 && oldDisplayMode == InsetMathMacro::DISPLAY_UNFOLDED) {
443 // put cursor in front of macro
445 int macroSlice = cur->find(macroInset);
446 if (macroSlice != -1)
447 cur->cutOff(macroSlice - 1);
451 // update the display mode
452 size_t appetite = macroInset->appetite();
453 macroInset->setDisplayMode(newDisplayMode);
456 if (newDisplayMode == InsetMathMacro::DISPLAY_NORMAL
457 && (macroInset->arity() != macroNumArgs
458 || macroInset->optionals() != macroOptionals)) {
459 // is it a virgin macro which was never attached to parameters?
460 bool fromInitToNormalMode
461 = (oldDisplayMode == InsetMathMacro::DISPLAY_INIT
462 || oldDisplayMode == InsetMathMacro::DISPLAY_INTERACTIVE_INIT)
463 && newDisplayMode == InsetMathMacro::DISPLAY_NORMAL;
465 // if the macro was entered interactively (i.e. not by paste or during
466 // loading), it should not be greedy, but the cursor should
467 // automatically jump into the macro when behind
468 bool interactive = (oldDisplayMode == InsetMathMacro::DISPLAY_INTERACTIVE_INIT);
471 attachMacroParameters(cur, i, macroNumArgs, macroOptionals,
472 fromInitToNormalMode, interactive, appetite);
475 cur->updateInsets(&cur->bottom().inset());
478 // Give macro the chance to adapt to new situation.
479 // The macroInset could be invalid now because it was put into a script
480 // inset and therefore "deep" copied. So get it again from the MathData.
481 InsetMath * inset = operator[](i).nucleus();
482 if (inset->asScriptInset())
483 inset = inset->asScriptInset()->nuc()[0].nucleus();
484 LASSERT(inset->asMacro(), continue);
485 inset->asMacro()->updateRepresentation(cur, mc, utype, nesting + 1);
490 void MathData::detachMacroParameters(DocIterator * cur, const size_type macroPos)
492 InsetMathMacro * macroInset = operator[](macroPos).nucleus()->asMacro();
493 // We store this now, because the inset pointer will be invalidated in the scond loop below
494 size_t const optionals = macroInset->optionals();
496 // detach all arguments
497 vector<MathData> detachedArgs;
498 if (macroPos + 1 == size())
499 // strip arguments if we are at the MathData end
500 macroInset->detachArguments(detachedArgs, true);
502 macroInset->detachArguments(detachedArgs, false);
505 int curMacroSlice = -1;
507 curMacroSlice = cur->find(macroInset);
508 idx_type curMacroIdx = -1;
509 pos_type curMacroPos = -1;
510 vector<CursorSlice> argSlices;
511 if (curMacroSlice != -1) {
512 curMacroPos = (*cur)[curMacroSlice].pos();
513 curMacroIdx = (*cur)[curMacroSlice].idx();
514 cur->cutOff(curMacroSlice, argSlices);
518 // only [] after the last non-empty argument can be dropped later
519 size_t lastNonEmptyOptional = 0;
520 for (size_t l = 0; l < detachedArgs.size() && l < optionals; ++l) {
521 if (!detachedArgs[l].empty())
522 lastNonEmptyOptional = l;
525 // optional arguments to be put back?
526 pos_type p = macroPos + 1;
528 // We do not want to use macroInset below, the insert() call in
529 // the loop will invalidate it.
531 for (; j < detachedArgs.size() && j < optionals; ++j) {
532 // another non-empty parameter follows?
533 bool canDropEmptyOptional = j >= lastNonEmptyOptional;
535 // then we can drop empty optional parameters
536 if (detachedArgs[j].empty() && canDropEmptyOptional) {
537 if (curMacroIdx == j)
538 (*cur)[curMacroSlice - 1].pos() = macroPos + 1;
542 // Otherwise we don't drop an empty optional, put it back normally
544 asArray(from_ascii("[]"), optarg);
545 MathData & arg = detachedArgs[j];
547 // look for "]", i.e. put a brace around?
548 InsetMathBrace * brace = 0;
549 for (size_t q = 0; q < arg.size(); ++q) {
550 if (arg[q]->getChar() == ']') {
552 brace = new InsetMathBrace(buffer_);
557 // put arg between []
559 brace->cell(0) = arg;
560 optarg.insert(1, MathAtom(brace));
562 optarg.insert(1, arg);
564 // insert it into the array
569 if (curMacroSlice == -1)
572 // cursor in optional argument of macro?
573 if (curMacroIdx == j) {
575 cur->append(0, curMacroPos);
576 (*cur)[curMacroSlice - 1].pos() = macroPos + 2;
578 (*cur)[curMacroSlice - 1].pos() = macroPos + 2 + curMacroPos;
579 cur->append(argSlices);
580 } else if ((*cur)[curMacroSlice - 1].pos() >= int(p))
581 // cursor right of macro
582 (*cur)[curMacroSlice - 1].pos() += optarg.size();
585 // put them back into the MathData
586 for (; j < detachedArgs.size(); ++j, ++p) {
587 MathData const & arg = detachedArgs[j];
589 && !arg[0]->asScriptInset()
590 && !(arg[0]->asMacro() && arg[0]->asMacro()->arity() > 0))
593 insert(p, MathAtom(new InsetMathBrace(arg)));
596 if (curMacroSlice == -1)
599 // cursor in j-th argument of macro?
600 if (curMacroIdx == j) {
601 if (operator[](p).nucleus()->asBraceInset()) {
602 (*cur)[curMacroSlice - 1].pos() = p;
603 cur->append(0, curMacroPos);
604 cur->append(argSlices);
606 (*cur)[curMacroSlice - 1].pos() = p; // + macroPos;
607 cur->append(argSlices);
609 } else if ((*cur)[curMacroSlice - 1].pos() >= int(p))
610 ++(*cur)[curMacroSlice - 1].pos();
614 cur->updateInsets(&cur->bottom().inset());
618 void MathData::attachMacroParameters(Cursor * cur,
619 const size_type macroPos, const size_type macroNumArgs,
620 const int macroOptionals, const bool fromInitToNormalMode,
621 const bool interactiveInit, const size_t appetite)
623 InsetMathMacro * macroInset = operator[](macroPos).nucleus()->asMacro();
625 // start at atom behind the macro again, maybe with some new arguments
626 // from the detach phase above, to add them back into the macro inset
627 size_t p = macroPos + 1;
628 vector<MathData> detachedArgs;
629 MathAtom scriptToPutAround;
631 // find cursor slice again of this MathData
634 thisSlice = cur->find(*this);
637 thisPos = (*cur)[thisSlice].pos();
639 // find arguments behind the macro
640 if (!interactiveInit) {
641 collectOptionalParameters(cur, macroOptionals, detachedArgs, p,
642 scriptToPutAround, macroPos, thisPos, thisSlice);
644 collectParameters(cur, macroNumArgs, detachedArgs, p,
645 scriptToPutAround, macroPos, thisPos, thisSlice, appetite);
647 // attach arguments back to macro inset
648 macroInset->attachArguments(detachedArgs, macroNumArgs, macroOptionals);
650 // found tail script? E.g. \foo{a}b^x
651 if (scriptToPutAround.nucleus()) {
652 InsetMathScript * scriptInset =
653 scriptToPutAround.nucleus()->asScriptInset();
654 // In the math parser we remove empty braces in the base
655 // of a script inset, but we have to restore them here.
656 if (scriptInset->nuc().empty()) {
658 scriptInset->nuc().push_back(
659 MathAtom(new InsetMathBrace(ar)));
661 // put macro into a script inset
662 scriptInset->nuc()[0] = operator[](macroPos);
663 operator[](macroPos) = scriptToPutAround;
665 // go into the script inset nucleus
666 if (cur && thisPos == int(macroPos))
669 // get pointer to "deep" copied macro inset
670 scriptInset = operator[](macroPos).nucleus()->asScriptInset();
671 macroInset = scriptInset->nuc()[0].nucleus()->asMacro();
674 // remove them from the MathData
675 erase(macroPos + 1, p);
677 // cursor outside this MathData?
681 // fix cursor if right of p
682 if (thisPos >= int(p))
683 (*cur)[thisSlice].pos() -= p - (macroPos + 1);
685 // was the macro inset just inserted interactively and was now folded
686 // and the cursor is just behind?
687 if ((*cur)[thisSlice].pos() == int(macroPos + 1)
689 && fromInitToNormalMode
690 && macroInset->arity() > 0
691 && thisSlice + 1 == int(cur->depth())) {
692 // then enter it if the cursor was just behind
693 (*cur)[thisSlice].pos() = macroPos;
694 cur->push_back(CursorSlice(*macroInset));
695 macroInset->idxFirst(*cur);
700 void MathData::collectOptionalParameters(Cursor * cur,
701 const size_type numOptionalParams, vector<MathData> & params,
702 size_t & pos, MathAtom & scriptToPutAround,
703 const pos_type macroPos, const int thisPos, const int thisSlice)
705 Buffer * buf = cur ? cur->buffer() : 0;
706 // insert optional arguments?
707 while (params.size() < numOptionalParams
709 && !scriptToPutAround.nucleus()) {
710 // is a [] block following which could be an optional parameter?
711 if (operator[](pos)->getChar() != '[')
714 // found possible optional argument, look for pairing "]"
716 size_t right = pos + 1;
717 for (; right < size(); ++right) {
718 MathAtom & cell = operator[](right);
720 if (cell->getChar() == '[')
722 else if (cell->getChar() == ']' && --count == 0)
726 // maybe "]" with a script around?
727 InsetMathScript * script = cell.nucleus()->asScriptInset();
730 if (script->nuc().size() != 1)
732 if (script->nuc()[0]->getChar() == ']') {
733 // script will be put around the macro later
734 scriptToPutAround = cell;
740 if (right >= size()) {
741 // no ] found, so it's not an optional argument
745 // add everything between [ and ] as optional argument
746 MathData optarg(buf, begin() + pos + 1, begin() + right);
750 if (optarg.size() == 1 && optarg[0]->asBraceInset()) {
752 params.push_back(optarg[0]->asBraceInset()->cell(0));
754 params.push_back(optarg);
756 // place cursor in optional argument of macro
757 // Note: The two expressions on the first line are equivalent
758 // (see caller), but making this explicit pleases coverity.
759 if (cur && thisSlice != -1
760 && thisPos >= int(pos) && thisPos <= int(right)) {
761 int paramPos = max(0, thisPos - int(pos) - 1);
762 vector<CursorSlice> x;
763 cur->cutOff(thisSlice, x);
764 (*cur)[thisSlice].pos() = macroPos;
766 paramPos = x[0].pos();
769 cur->append(0, paramPos);
775 // fill up empty optional parameters
776 while (params.size() < numOptionalParams)
777 params.push_back(MathData());
781 void MathData::collectParameters(Cursor * cur,
782 const size_type numParams, vector<MathData> & params,
783 size_t & pos, MathAtom & scriptToPutAround,
784 const pos_type macroPos, const int thisPos, const int thisSlice,
785 const size_t appetite)
787 size_t startSize = params.size();
789 // insert normal arguments
790 while (params.size() < numParams
791 && params.size() - startSize < appetite
793 && !scriptToPutAround.nucleus()) {
794 MathAtom & cell = operator[](pos);
797 vector<CursorSlice> argSlices;
799 // Note: The two expressions on the first line are equivalent
800 // (see caller), but making this explicit pleases coverity.
801 if (cur && thisSlice != -1
802 && thisPos == int(pos))
803 cur->cutOff(thisSlice, argSlices);
805 // which kind of parameter is it? In {}? With index x^n?
806 InsetMathBrace const * brace = cell->asBraceInset();
808 // found brace, convert into argument
809 params.push_back(brace->cell(0));
811 // cursor inside of the brace or just in front of?
812 if (thisPos == int(pos) && !argSlices.empty()) {
813 argPos = argSlices[0].pos();
814 argSlices.erase(argSlices.begin());
816 } else if (cell->asScriptInset() && params.size() + 1 == numParams) {
817 // last inset with scripts without braces
818 // -> they belong to the macro, not the argument
819 InsetMathScript * script = cell.nucleus()->asScriptInset();
820 if (script->nuc().size() == 1 && script->nuc()[0]->asBraceInset())
821 // nucleus in brace? Unpack!
822 params.push_back(script->nuc()[0]->asBraceInset()->cell(0));
824 params.push_back(script->nuc());
826 // script will be put around below
827 scriptToPutAround = cell;
829 // this should only happen after loading, so make cursor handling simple
830 if (thisPos >= int(macroPos) && thisPos <= int(macroPos + numParams)) {
836 // the simplest case: plain inset
838 array.insert(0, cell);
839 params.push_back(array);
842 // put cursor in argument again
843 // Note: The first two expressions on the first line are
844 // equivalent (see caller), but making this explicit pleases
846 if (cur && thisSlice != -1 && thisPos == int(pos)) {
847 cur->append(params.size() - 1, argPos);
848 cur->append(argSlices);
849 (*cur)[thisSlice].pos() = macroPos;
857 int MathData::pos2x(BufferView const * bv, size_type pos) const
860 size_type target = min(pos, size());
861 CoordCache::Insets const & coords = bv->coordCache().getInsets();
862 for (size_type i = 0; i < target; ++i) {
863 const_iterator it = begin() + i;
864 //lyxerr << "char: " << (*it)->getChar()
865 // << "width: " << (*it)->width() << endl;
866 x += coords.dim((*it).nucleus()).wid;
872 MathData::size_type MathData::x2pos(BufferView const * bv, int targetx) const
874 const_iterator it = begin();
877 CoordCache::Insets const & coords = bv->coordCache().getInsets();
878 // find first position after targetx
879 for (; currx < targetx && it != end(); ++it) {
881 currx += coords.dim((*it).nucleus()).wid;
885 * If we are not at the beginning of the array, go to the left
886 * of the inset if one of the following two condition holds:
887 * - the current inset is editable (so that the cursor tip is
888 * deeper than us): in this case, we want all intermediate
889 * cursor slices to be before insets;
890 * - the mouse is closer to the left side of the inset than to
892 * See bug 1918 for details.
894 if (it != begin() && currx >= targetx
895 && ((*prev(it, 1))->asNestInset()
896 || abs(lastx - targetx) < abs(currx - targetx))) {
904 int MathData::dist(BufferView const & bv, int x, int y) const
906 return bv.coordCache().getArrays().squareDistance(this, x, y);
910 void MathData::setXY(BufferView & bv, int x, int y) const
912 //lyxerr << "setting position cache for MathData " << this << endl;
913 bv.coordCache().arrays().add(this, x, y);
917 Dimension const & MathData::dimension(BufferView const & bv) const
919 return bv.coordCache().getArrays().dim(this);
923 int MathData::xm(BufferView const & bv) const
925 Geometry const & g = bv.coordCache().getArrays().geometry(this);
927 return g.pos.x_ + g.dim.wid / 2;
931 int MathData::ym(BufferView const & bv) const
933 Geometry const & g = bv.coordCache().getArrays().geometry(this);
935 return g.pos.y_ + (g.dim.des - g.dim.asc) / 2;
939 int MathData::xo(BufferView const & bv) const
941 return bv.coordCache().getArrays().x(this);
945 int MathData::yo(BufferView const & bv) const
947 return bv.coordCache().getArrays().y(this);
951 MathClass MathData::mathClass() const
953 MathClass res = MC_UNKNOWN;
954 for (MathAtom const & at : *this) {
955 MathClass mc = at->mathClass();
956 if (res == MC_UNKNOWN)
958 else if (mc != MC_UNKNOWN && res != mc)
961 return res == MC_UNKNOWN ? MC_ORD : res;
965 ostream & operator<<(ostream & os, MathData const & ar)
967 odocstringstream oss;
968 NormalStream ns(oss);
970 return os << to_utf8(oss.str());
974 odocstream & operator<<(odocstream & os, MathData const & ar)