2 * \file InsetMathNest.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 "InsetMathNest.h"
15 #include "InsetMathArray.h"
16 #include "InsetMathBig.h"
17 #include "InsetMathBox.h"
18 #include "InsetMathBrace.h"
19 #include "InsetMathColor.h"
20 #include "InsetMathComment.h"
21 #include "InsetMathDelim.h"
22 #include "InsetMathHull.h"
23 #include "InsetMathRef.h"
24 #include "InsetMathScript.h"
25 #include "InsetMathSpace.h"
26 #include "InsetMathSymbol.h"
27 #include "InsetMathUnknown.h"
29 #include "MathFactory.h"
30 #include "MathMacro.h"
31 #include "MathMacroArgument.h"
32 #include "MathParser.h"
33 #include "MathStream.h"
34 #include "MathSupport.h"
37 #include "BufferView.h"
38 #include "CoordCache.h"
40 #include "CutAndPaste.h"
42 #include "DispatchResult.h"
43 #include "FuncRequest.h"
44 #include "FuncStatus.h"
48 #include "OutputParams.h"
50 #include "support/lstrings.h"
51 #include "support/textutils.h"
52 #include "support/docstream.h"
54 #include "frontends/Clipboard.h"
55 #include "frontends/Painter.h"
56 #include "frontends/Selection.h"
58 #include "FuncRequest.h"
65 using cap::copySelection;
66 using cap::grabAndEraseSelection;
67 using cap::cutSelection;
68 using cap::replaceSelection;
69 using cap::selClearOrDel;
73 using std::istringstream;
76 InsetMathNest::InsetMathNest(idx_type nargs)
77 : cells_(nargs), lock_(false), mouse_hover_(false)
81 InsetMathNest::InsetMathNest(InsetMathNest const & inset)
82 : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_),
87 InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
89 cells_ = inset.cells_;
92 InsetMath::operator=(inset);
97 InsetMath::idx_type InsetMathNest::nargs() const
103 void InsetMathNest::cursorPos(BufferView const & bv,
104 CursorSlice const & sl, bool /*boundary*/,
105 int & x, int & y) const
107 // FIXME: This is a hack. Ideally, the coord cache should not store
108 // absolute positions, but relative ones. This would mean to call
109 // setXY() not in MathData::draw(), but in the parent insets' draw()
110 // with the correctly adjusted x,y values. But this means that we'd have
111 // to touch all (math)inset's draw() methods. Right now, we'll store
112 // absolute value, and make them here relative, only to make them
113 // absolute again when actually drawing the cursor. What a mess.
114 BOOST_ASSERT(&sl.inset() == this);
115 MathData const & ar = sl.cell();
116 CoordCache const & coord_cache = bv.coordCache();
117 if (!coord_cache.getArrays().has(&ar)) {
118 // this can (semi-)legally happen if we just created this cell
119 // and it never has been drawn before. So don't ASSERT.
120 //lyxerr << "no cached data for array " << &ar << endl;
125 Point const pt = coord_cache.getArrays().xy(&ar);
126 if (!coord_cache.getInsets().has(this)) {
128 //lyxerr << "no cached data for inset " << this << endl;
133 Point const pt2 = coord_cache.getInsets().xy(this);
134 //lyxerr << "retrieving position cache for MathData "
135 // << pt.x_ << ' ' << pt.y_ << std::endl;
136 x = pt.x_ - pt2.x_ + ar.pos2x(sl.pos());
138 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
139 // << " asc: " << ascent() << " des: " << descent()
140 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
141 // move cursor visually into empty cells ("blue rectangles");
147 void InsetMathNest::metrics(MetricsInfo const & mi) const
150 for (idx_type i = 0, n = nargs(); i != n; ++i) {
152 cell(i).metrics(m, dim);
157 bool InsetMathNest::idxNext(Cursor & cur) const
159 BOOST_ASSERT(&cur.inset() == this);
160 if (cur.idx() == cur.lastidx())
168 bool InsetMathNest::idxForward(Cursor & cur) const
174 bool InsetMathNest::idxPrev(Cursor & cur) const
176 BOOST_ASSERT(&cur.inset() == this);
180 cur.pos() = cur.lastpos();
185 bool InsetMathNest::idxBackward(Cursor & cur) const
191 bool InsetMathNest::idxFirst(Cursor & cur) const
193 BOOST_ASSERT(&cur.inset() == this);
202 bool InsetMathNest::idxLast(Cursor & cur) const
204 BOOST_ASSERT(&cur.inset() == this);
207 cur.idx() = cur.lastidx();
208 cur.pos() = cur.lastpos();
213 void InsetMathNest::dump() const
215 odocstringstream oss;
217 os << "---------------------------------------------\n";
220 for (idx_type i = 0, n = nargs(); i != n; ++i)
221 os << cell(i) << "\n";
222 os << "---------------------------------------------\n";
223 lyxerr << to_utf8(oss.str());
227 void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
231 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
234 setPosCache(pi, x, y);
238 void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
240 BufferView & bv = *pi.base.bv;
241 // this should use the x/y values given, not the cached values
242 Cursor & cur = bv.cursor();
243 if (!cur.selection())
245 if (&cur.inset() != this)
248 // FIXME: hack to get position cache warm
249 pi.pain.setDrawingEnabled(false);
251 pi.pain.setDrawingEnabled(true);
253 CursorSlice s1 = cur.selBegin();
254 CursorSlice s2 = cur.selEnd();
256 //lyxerr << "InsetMathNest::drawing selection: "
257 // << " s1: " << s1 << " s2: " << s2 << endl;
258 if (s1.idx() == s2.idx()) {
259 MathData const & c = cell(s1.idx());
260 Geometry const & g = bv.coordCache().getArrays().geometry(&c);
261 int x1 = g.pos.x_ + c.pos2x(s1.pos());
262 int y1 = g.pos.y_ - g.dim.ascent();
263 int x2 = g.pos.x_ + c.pos2x(s2.pos());
264 int y2 = g.pos.y_ + g.dim.descent();
265 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
266 //lyxerr << "InsetMathNest::drawing selection 3: "
267 // << " x1: " << x1 << " x2: " << x2
268 // << " y1: " << y1 << " y2: " << y2 << endl;
270 for (idx_type i = 0; i < nargs(); ++i) {
271 if (idxBetween(i, s1.idx(), s2.idx())) {
272 MathData const & c = cell(i);
273 Geometry const & g = bv.coordCache().getArrays().geometry(&c);
275 int y1 = g.pos.y_ - g.dim.ascent();
276 int x2 = g.pos.x_ + g.dim.width();
277 int y2 = g.pos.y_ + g.dim.descent();
278 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
285 void InsetMathNest::validate(LaTeXFeatures & features) const
287 for (idx_type i = 0; i < nargs(); ++i)
288 cell(i).validate(features);
292 void InsetMathNest::replace(ReplaceData & rep)
294 for (idx_type i = 0; i < nargs(); ++i)
295 cell(i).replace(rep);
299 bool InsetMathNest::contains(MathData const & ar) const
301 for (idx_type i = 0; i < nargs(); ++i)
302 if (cell(i).contains(ar))
308 bool InsetMathNest::lock() const
314 void InsetMathNest::lock(bool l)
320 bool InsetMathNest::isActive() const
326 MathData InsetMathNest::glue() const
329 for (size_t i = 0; i < nargs(); ++i)
335 void InsetMathNest::write(WriteStream & os) const
337 os << '\\' << name().c_str();
338 for (size_t i = 0; i < nargs(); ++i)
339 os << '{' << cell(i) << '}';
341 os.pendingSpace(true);
342 if (lock_ && !os.latex()) {
344 os.pendingSpace(true);
349 void InsetMathNest::normalize(NormalStream & os) const
351 os << '[' << name().c_str();
352 for (size_t i = 0; i < nargs(); ++i)
353 os << ' ' << cell(i);
358 int InsetMathNest::latex(Buffer const &, odocstream & os,
359 OutputParams const & runparams) const
361 WriteStream wi(os, runparams.moving_arg, true);
367 bool InsetMathNest::setMouseHover(bool mouse_hover)
369 mouse_hover_ = mouse_hover;
374 bool InsetMathNest::notifyCursorLeaves(Cursor & /*cur*/)
378 MathData & ar = cur.cell();
379 // remove base-only "scripts"
380 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
381 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
382 if (p && p->nargs() == 1) {
383 MathData ar = p->nuc();
386 cur.adjust(i, ar.size() - 1);
390 // glue adjacent font insets of the same kind
391 for (pos_type i = 0; i + 1 < size(); ++i) {
392 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
393 InsetMathFont const * q = operator[](i + 1)->asFontInset();
394 if (p && q && p->name() == q->name()) {
395 p->cell(0).append(q->cell(0));
405 void InsetMathNest::handleFont
406 (Cursor & cur, docstring const & arg, char const * const font)
408 handleFont(cur, arg, from_ascii(font));
412 void InsetMathNest::handleFont
413 (Cursor & cur, docstring const & arg, docstring const & font)
415 // this whole function is a hack and won't work for incremental font
418 if (cur.inset().asInsetMath()->name() == font) {
419 cur.recordUndoInset();
420 cur.handleFont(to_utf8(font));
423 cur.handleNest(createInsetMath(font));
429 void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
434 font.fromString(to_utf8(arg), b);
435 if (font.fontInfo().color() != Color_inherit) {
436 MathAtom at = MathAtom(new InsetMathColor(true, font.fontInfo().color()));
437 cur.handleNest(at, 0);
442 void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
444 //lyxerr << "InsetMathNest: request: " << cmd << std::endl;
445 //CursorSlice sl = cur.current();
447 switch (cmd.action) {
451 cur.message(_("Paste"));
452 replaceSelection(cur);
454 if (cmd.argument().empty() && !theClipboard().isInternal())
455 topaste = theClipboard().getAsText();
458 idocstringstream is(cmd.argument());
460 topaste = cap::getSelection(cur.buffer(), n);
462 cur.niceInsert(topaste);
463 cur.clearSelection(); // bug 393
470 cutSelection(cur, true, true);
471 cur.message(_("Cut"));
472 // Prevent stale position >= size crash
473 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
479 cur.message(_("Copy"));
482 case LFUN_MOUSE_PRESS:
483 lfunMousePress(cur, cmd);
486 case LFUN_MOUSE_MOTION:
487 lfunMouseMotion(cur, cmd);
490 case LFUN_MOUSE_RELEASE:
491 lfunMouseRelease(cur, cmd);
494 case LFUN_FINISHED_BACKWARD:
495 cur.bv().cursor() = cur;
498 case LFUN_FINISHED_FORWARD:
500 cur.bv().cursor() = cur;
503 case LFUN_CHAR_FORWARD:
504 cur.updateFlags(Update::Decoration | Update::FitCursor);
505 case LFUN_CHAR_FORWARD_SELECT:
506 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
507 cur.autocorrect() = false;
509 cur.macroModeClose();
510 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
511 cur.pushBackward(*cur.nextAtom().nucleus());
512 cur.inset().idxFirst(cur);
513 } else if (cur.posForward() || idxForward(cur)
514 || cur.popForward() || cur.selection())
517 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
522 case LFUN_CHAR_BACKWARD:
523 cur.updateFlags(Update::Decoration | Update::FitCursor);
524 case LFUN_CHAR_BACKWARD_SELECT:
525 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
526 cur.autocorrect() = false;
528 cur.macroModeClose();
529 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
531 cur.push(*cur.nextAtom().nucleus());
532 cur.inset().idxLast(cur);
533 } else if (cur.posBackward() || idxBackward(cur)
534 || cur.popBackward() || cur.selection())
537 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
542 case LFUN_CHAR_RIGHT:
543 case LFUN_CHAR_RIGHT_SELECT:
544 //FIXME: for visual cursor, really move right
545 if (reverseDirectionNeeded(cur))
546 doDispatch(cur, FuncRequest(cmd.action == LFUN_CHAR_RIGHT_SELECT ?
547 LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD));
549 doDispatch(cur, FuncRequest(cmd.action == LFUN_CHAR_RIGHT_SELECT ?
550 LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD));
554 case LFUN_CHAR_LEFT_SELECT:
555 //FIXME: for visual cursor, really move left
556 if (reverseDirectionNeeded(cur))
557 doDispatch(cur, FuncRequest(cmd.action == LFUN_CHAR_LEFT_SELECT ?
558 LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD));
560 doDispatch(cur, FuncRequest(cmd.action == LFUN_CHAR_LEFT_SELECT ?
561 LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD));
566 cur.updateFlags(Update::Decoration | Update::FitCursor);
567 case LFUN_DOWN_SELECT:
568 case LFUN_UP_SELECT: {
569 // close active macro
570 if (cur.inMacroMode()) {
571 cur.macroModeClose();
575 // stop/start the selection
576 bool select = cmd.action == LFUN_DOWN_SELECT ||
577 cmd.action == LFUN_UP_SELECT;
578 cur.selHandle(select);
581 bool up = cmd.action == LFUN_UP || cmd.action == LFUN_UP_SELECT;
582 bool successful = cur.upDownInMath(up);
584 // notify left insets and give them chance to set update flags
585 lyx::notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
590 if (cur.fixIfBroken())
591 // FIXME: Something bad happened. We pass the corrected Cursor
592 // instead of letting things go worse.
595 // We did not manage to move the cursor.
600 case LFUN_MOUSE_DOUBLE:
601 case LFUN_MOUSE_TRIPLE:
602 case LFUN_WORD_SELECT:
606 cur.selection() = true;
607 cur.pos() = cur.lastpos();
608 cur.idx() = cur.lastidx();
611 case LFUN_PARAGRAPH_UP:
612 case LFUN_PARAGRAPH_DOWN:
613 cur.updateFlags(Update::Decoration | Update::FitCursor);
614 case LFUN_PARAGRAPH_UP_SELECT:
615 case LFUN_PARAGRAPH_DOWN_SELECT:
618 case LFUN_LINE_BEGIN:
619 case LFUN_WORD_BACKWARD:
621 cur.updateFlags(Update::Decoration | Update::FitCursor);
622 case LFUN_LINE_BEGIN_SELECT:
623 case LFUN_WORD_BACKWARD_SELECT:
624 case LFUN_WORD_LEFT_SELECT:
625 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
626 cmd.action == LFUN_WORD_LEFT_SELECT ||
627 cmd.action == LFUN_LINE_BEGIN_SELECT);
628 cur.macroModeClose();
629 if (cur.pos() != 0) {
631 } else if (cur.col() != 0) {
632 cur.idx() -= cur.col();
634 } else if (cur.idx() != 0) {
638 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
643 case LFUN_WORD_FORWARD:
644 case LFUN_WORD_RIGHT:
646 cur.updateFlags(Update::Decoration | Update::FitCursor);
647 case LFUN_WORD_FORWARD_SELECT:
648 case LFUN_WORD_RIGHT_SELECT:
649 case LFUN_LINE_END_SELECT:
650 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
651 cmd.action == LFUN_WORD_RIGHT_SELECT ||
652 cmd.action == LFUN_LINE_END_SELECT);
653 cur.macroModeClose();
655 if (cur.pos() != cur.lastpos()) {
656 cur.pos() = cur.lastpos();
657 } else if (ncols() && (cur.col() != cur.lastcol())) {
658 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
659 cur.pos() = cur.lastpos();
660 } else if (cur.idx() != cur.lastidx()) {
661 cur.idx() = cur.lastidx();
662 cur.pos() = cur.lastpos();
664 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
669 case LFUN_SCREEN_UP_SELECT:
670 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
674 case LFUN_SCREEN_DOWN_SELECT:
675 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
679 case LFUN_CELL_FORWARD:
680 cur.updateFlags(Update::Decoration | Update::FitCursor);
681 cur.inset().idxNext(cur);
684 case LFUN_CELL_BACKWARD:
685 cur.updateFlags(Update::Decoration | Update::FitCursor);
686 cur.inset().idxPrev(cur);
689 case LFUN_WORD_DELETE_BACKWARD:
690 case LFUN_CHAR_DELETE_BACKWARD:
692 // May affect external cell:
693 cur.recordUndoInset();
696 // if the inset can not be removed from within, delete it
697 if (!cur.backspace()) {
698 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
699 cur.innerText()->dispatch(cur, cmd);
703 case LFUN_WORD_DELETE_FORWARD:
704 case LFUN_CHAR_DELETE_FORWARD:
705 if (cur.pos() == cur.lastpos())
706 // May affect external cell:
707 cur.recordUndoInset();
710 // if the inset can not be removed from within, delete it
712 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
713 cur.innerText()->dispatch(cur, cmd);
719 cur.clearSelection();
721 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
726 case LFUN_INSET_TOGGLE:
732 case LFUN_SELF_INSERT:
733 if (cmd.argument().size() != 1) {
735 docstring const arg = cmd.argument();
736 if (!interpretString(cur, arg))
740 // Don't record undo steps if we are in macro mode and
741 // cmd.argument is the next character of the macro name.
742 // Otherwise we'll get an invalid cursor if we undo after
743 // the macro was finished and the macro is a known command,
744 // e.g. sqrt. Cursor::macroModeClose replaces in this case
745 // the InsetMathUnknown with name "frac" by an empty
746 // InsetMathFrac -> a pos value > 0 is invalid.
747 // A side effect is that an undo before the macro is finished
748 // undoes the complete macro, not only the last character.
749 if (!cur.inMacroMode())
752 // spacial handling of space. If we insert an inset
753 // via macro mode, we want to put the cursor inside it
754 // if relevant. Think typing "\frac<space>".
755 if (cmd.argument()[0] == ' '
756 && cur.inMacroMode() && cur.macroName() != "\\"
757 && cur.macroModeClose()) {
758 MathAtom const atom = cur.prevAtom();
759 if (atom->asNestInset() && atom->isActive()) {
761 cur.pushBackward(*cur.nextInset());
763 } else if (!interpretChar(cur, cmd.argument()[0])) {
764 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
769 //case LFUN_SERVER_GET_XY:
770 // sprintf(dispatch_buffer, "%d %d",);
773 case LFUN_SERVER_SET_XY: {
774 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
777 istringstream is(to_utf8(cmd.argument()));
779 cur.setScreenPos(x, y);
783 // Special casing for superscript in case of LyX handling
785 case LFUN_ACCENT_CIRCUMFLEX:
786 if (cmd.argument().empty()) {
787 // do superscript if LyX handles
790 script(cur, true, grabAndEraseSelection(cur));
794 case LFUN_ACCENT_UMLAUT:
795 case LFUN_ACCENT_ACUTE:
796 case LFUN_ACCENT_GRAVE:
797 case LFUN_ACCENT_BREVE:
798 case LFUN_ACCENT_DOT:
799 case LFUN_ACCENT_MACRON:
800 case LFUN_ACCENT_CARON:
801 case LFUN_ACCENT_TILDE:
802 case LFUN_ACCENT_CEDILLA:
803 case LFUN_ACCENT_CIRCLE:
804 case LFUN_ACCENT_UNDERDOT:
805 case LFUN_ACCENT_TIE:
806 case LFUN_ACCENT_OGONEK:
807 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
811 case LFUN_FONT_FREE_APPLY:
812 case LFUN_FONT_FREE_UPDATE:
813 handleFont2(cur, cmd.argument());
817 if (currentMode() == TEXT_MODE)
818 handleFont(cur, cmd.argument(), "textbf");
820 handleFont(cur, cmd.argument(), "mathbf");
823 if (currentMode() == TEXT_MODE)
824 handleFont(cur, cmd.argument(), "textsf");
826 handleFont(cur, cmd.argument(), "mathsf");
829 if (currentMode() == TEXT_MODE)
830 handleFont(cur, cmd.argument(), "emph");
832 handleFont(cur, cmd.argument(), "mathcal");
834 case LFUN_FONT_ROMAN:
835 if (currentMode() == TEXT_MODE)
836 handleFont(cur, cmd.argument(), "textrm");
838 handleFont(cur, cmd.argument(), "mathrm");
840 case LFUN_FONT_TYPEWRITER:
841 if (currentMode() == TEXT_MODE)
842 handleFont(cur, cmd.argument(), "texttt");
844 handleFont(cur, cmd.argument(), "mathtt");
847 handleFont(cur, cmd.argument(), "mathfrak");
850 if (currentMode() == TEXT_MODE)
851 handleFont(cur, cmd.argument(), "textit");
853 handleFont(cur, cmd.argument(), "mathit");
856 if (currentMode() == TEXT_MODE)
857 // FIXME: should be "noun"
858 handleFont(cur, cmd.argument(), "textsc");
860 handleFont(cur, cmd.argument(), "mathbb");
863 case LFUN_FONT_FREE_APPLY:
864 handleFont(cur, cmd.argument(), "textrm");
867 case LFUN_FONT_DEFAULT:
868 handleFont(cur, cmd.argument(), "textnormal");
871 case LFUN_MATH_MODE: {
873 // ignore math-mode on when already in math mode
874 if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
876 cur.macroModeClose();
877 docstring const save_selection = grabAndEraseSelection(cur);
879 //cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
880 cur.plainInsert(MathAtom(new InsetMathBox(from_ascii("mbox"))));
882 cur.pushBackward(*cur.nextInset());
883 cur.niceInsert(save_selection);
885 if (currentMode() == Inset::TEXT_MODE) {
886 cur.niceInsert(MathAtom(new InsetMathHull("simple")));
887 cur.message(_("create new math text environment ($...$)"));
889 handleFont(cur, cmd.argument(), "textrm");
890 cur.message(_("entered math text mode (textrm)"));
903 case LFUN_MATH_MATRIX: {
909 idocstringstream is(cmd.argument());
910 is >> m >> n >> v_align >> h_align;
917 MathAtom(new InsetMathArray(from_ascii("array"), m, n, (char)v_align[0], h_align)));
921 case LFUN_MATH_DELIM: {
923 docstring rs = support::split(cmd.argument(), ls, ' ');
924 // Reasonable default values
930 cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
934 case LFUN_MATH_BIGDELIM: {
935 docstring const lname = from_utf8(cmd.getArg(0));
936 docstring const ldelim = from_utf8(cmd.getArg(1));
937 docstring const rname = from_utf8(cmd.getArg(2));
938 docstring const rdelim = from_utf8(cmd.getArg(3));
939 latexkeys const * l = in_word_set(lname);
940 bool const have_l = l && l->inset == "big" &&
941 InsetMathBig::isBigInsetDelim(ldelim);
942 l = in_word_set(rname);
943 bool const have_r = l && l->inset == "big" &&
944 InsetMathBig::isBigInsetDelim(rdelim);
945 // We mimic LFUN_MATH_DELIM in case we have an empty left
946 // or right delimiter.
947 if (have_l || have_r) {
949 docstring const selection = grabAndEraseSelection(cur);
952 cur.insert(MathAtom(new InsetMathBig(lname,
954 cur.niceInsert(selection);
956 cur.insert(MathAtom(new InsetMathBig(rname,
959 // Don't call cur.undispatched() if we did nothing, this would
960 // lead to infinite recursion via Text::dispatch().
964 case LFUN_SPACE_INSERT:
965 case LFUN_MATH_SPACE:
967 cur.insert(MathAtom(new InsetMathSpace(from_ascii(","))));
970 case LFUN_ERT_INSERT:
971 // interpret this as if a backslash was typed
973 interpretChar(cur, '\\');
976 case LFUN_MATH_SUBSCRIPT:
977 // interpret this as if a _ was typed
979 interpretChar(cur, '_');
982 case LFUN_MATH_SUPERSCRIPT:
983 // interpret this as if a ^ was typed
985 interpretChar(cur, '^');
988 case LFUN_MATH_MACRO_FOLD:
989 case LFUN_MATH_MACRO_UNFOLD: {
991 bool fold = cmd.action == LFUN_MATH_MACRO_FOLD;
992 bool found = findMacroToFoldUnfold(it, fold);
996 it.nextInset()->asInsetMath()->asMacro()->fold(cur);
998 it.nextInset()->asInsetMath()->asMacro()->unfold(cur);
1003 case LFUN_QUOTE_INSERT:
1004 // interpret this as if a straight " was typed
1006 interpretChar(cur, '\"');
1009 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
1010 // handling such that "self-insert" works on "arbitrary stuff" too, and
1011 // math-insert only handles special math things like "matrix".
1012 case LFUN_MATH_INSERT: {
1014 if (cmd.argument() == "^" || cmd.argument() == "_") {
1015 interpretChar(cur, cmd.argument()[0]);
1017 cur.niceInsert(cmd.argument());
1021 case LFUN_DIALOG_SHOW_NEW_INSET: {
1022 docstring const & name = cmd.argument();
1024 if (name == "ref") {
1025 InsetMathRef tmp(name);
1026 data = tmp.createDialogStr(to_utf8(name));
1028 cur.bv().showInsetDialog(to_utf8(name), data, 0);
1032 case LFUN_INSET_INSERT: {
1034 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
1041 case LFUN_INSET_DISSOLVE:
1042 if (!asHullInset()) {
1043 cur.recordUndoInset();
1049 InsetMath::doDispatch(cur, cmd);
1055 bool InsetMathNest::findMacroToFoldUnfold(Cursor & it, bool fold) const {
1056 // look for macro to open/close, but stay in mathed
1057 for (; !it.empty(); it.pop_back()) {
1059 // go backward through the current cell
1060 Inset * inset = it.nextInset();
1061 while (inset && inset->asInsetMath()) {
1062 MathMacro * macro = inset->asInsetMath()->asMacro();
1064 // found the an macro to open/close?
1065 if (macro->folded() != fold)
1068 // Wrong folding state.
1069 // If this was the first we see in this slice, look further left,
1071 if (inset != it.nextInset())
1075 // go up if this was the left most position
1081 inset = it.nextInset();
1089 bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
1090 FuncStatus & flag) const
1092 // the font related toggles
1093 //string tc = "mathnormal";
1095 string const arg = to_utf8(cmd.argument());
1096 switch (cmd.action) {
1097 case LFUN_TABULAR_FEATURE:
1098 flag.enabled(false);
1101 case LFUN_TABULAR_FEATURE:
1102 // FIXME: check temporarily disabled
1104 char align = mathcursor::valign();
1105 if (align == '\0') {
1109 if (cmd.argument().empty()) {
1113 if (!contains("tcb", cmd.argument()[0])) {
1117 flag.setOnOff(cmd.argument()[0] == align);
1120 /// We have to handle them since 1.4 blocks all unhandled actions
1121 case LFUN_FONT_ITAL:
1122 case LFUN_FONT_BOLD:
1123 case LFUN_FONT_SANS:
1124 case LFUN_FONT_EMPH:
1125 case LFUN_FONT_TYPEWRITER:
1126 case LFUN_FONT_NOUN:
1127 case LFUN_FONT_ROMAN:
1128 case LFUN_FONT_DEFAULT:
1131 case LFUN_MATH_MUTATE:
1132 //flag.setOnOff(mathcursor::formula()->hullType() == to_utf8(cmd.argument()));
1133 flag.setOnOff(false);
1136 // we just need to be in math mode to enable that
1137 case LFUN_MATH_SIZE:
1138 case LFUN_MATH_SPACE:
1139 case LFUN_MATH_LIMITS:
1140 case LFUN_MATH_NONUMBER:
1141 case LFUN_MATH_NUMBER:
1142 case LFUN_MATH_EXTERN:
1146 case LFUN_FONT_FRAK:
1147 flag.enabled(currentMode() != TEXT_MODE);
1150 case LFUN_MATH_INSERT: {
1151 bool const textarg =
1152 arg == "\\textbf" || arg == "\\textsf" ||
1153 arg == "\\textrm" || arg == "\\textmd" ||
1154 arg == "\\textit" || arg == "\\textsc" ||
1155 arg == "\\textsl" || arg == "\\textup" ||
1156 arg == "\\texttt" || arg == "\\textbb" ||
1157 arg == "\\textnormal";
1158 flag.enabled(currentMode() != TEXT_MODE || textarg);
1162 case LFUN_MATH_MATRIX:
1163 flag.enabled(currentMode() == MATH_MODE);
1166 case LFUN_INSET_INSERT: {
1167 // Don't test createMathInset_fromDialogStr(), since
1168 // getStatus is not called with a valid reference and the
1169 // dialog would not be applyable.
1170 string const name = cmd.getArg(0);
1171 flag.enabled(name == "ref");
1175 case LFUN_MATH_DELIM:
1176 case LFUN_MATH_BIGDELIM:
1177 // Don't do this with multi-cell selections
1178 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1181 case LFUN_MATH_MACRO_FOLD:
1182 case LFUN_MATH_MACRO_UNFOLD: {
1184 bool found = findMacroToFoldUnfold(it, cmd.action == LFUN_MATH_MACRO_FOLD);
1185 flag.enabled(found);
1189 case LFUN_HYPHENATION_POINT_INSERT:
1190 case LFUN_LIGATURE_BREAK_INSERT:
1191 case LFUN_MENU_SEPARATOR_INSERT:
1192 case LFUN_DOTS_INSERT:
1193 case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1194 // FIXME: These would probably make sense in math-text mode
1195 flag.enabled(false);
1198 case LFUN_INSET_DISSOLVE:
1199 flag.enabled(!asHullInset());
1210 void InsetMathNest::edit(Cursor & cur, bool left)
1213 cur.idx() = left ? 0 : cur.lastidx();
1214 cur.pos() = left ? 0 : cur.lastpos();
1216 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1220 Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
1223 int dist_min = 1000000;
1224 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1225 int const d = cell(i).dist(cur.bv(), x, y);
1231 MathData & ar = cell(idx_min);
1233 cur.idx() = idx_min;
1234 cur.pos() = ar.x2pos(x - ar.xo(cur.bv()));
1236 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1237 if (dist_min == 0) {
1239 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1240 if (ar[i]->covers(cur.bv(), x, y))
1241 return ar[i].nucleus()->editXY(cur, x, y);
1247 void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
1249 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1250 BufferView & bv = cur.bv();
1251 bool do_selection = cmd.button() == mouse_button::button1
1252 && cmd.argument() == "region-select";
1253 bv.mouseSetCursor(cur, do_selection);
1254 if (cmd.button() == mouse_button::button1) {
1255 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1256 // Update the cursor update flags as needed:
1258 // Update::Decoration: tells to update the decoration
1259 // (visual box corners that define
1261 // Update::FitCursor: adjust the screen to the cursor
1262 // position if needed
1263 // cur.result().update(): don't overwrite previously set flags.
1264 cur.updateFlags(Update::Decoration | Update::FitCursor
1265 | cur.result().update());
1266 } else if (cmd.button() == mouse_button::button2) {
1267 if (cap::selection()) {
1268 // See comment in Text::dispatch why we do this
1269 cap::copySelectionToStack();
1270 cmd = FuncRequest(LFUN_PASTE, "0");
1271 doDispatch(bv.cursor(), cmd);
1274 asArray(theSelection().get(), ar);
1275 bv.cursor().insert(ar);
1281 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
1283 // only select with button 1
1284 if (cmd.button() == mouse_button::button1) {
1285 Cursor & bvcur = cur.bv().cursor();
1286 if (bvcur.anchor_.hasPart(cur)) {
1287 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1288 bvcur.setCursor(cur);
1289 bvcur.selection() = true;
1290 //lyxerr << "MOTION " << bvcur << endl;
1297 void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
1299 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1301 if (cmd.button() == mouse_button::button1) {
1302 if (!cur.selection())
1305 Cursor & bvcur = cur.bv().cursor();
1306 bvcur.selection() = true;
1315 bool InsetMathNest::interpretChar(Cursor & cur, char_type c)
1317 //lyxerr << "interpret 2: '" << c << "'" << endl;
1318 docstring save_selection;
1319 if (c == '^' || c == '_')
1320 save_selection = grabAndEraseSelection(cur);
1325 if (cur.inMacroMode()) {
1326 docstring name = cur.macroName();
1328 /// are we currently typing '#1' or '#2' or...?
1329 if (name == "\\#") {
1332 if (n >= 1 && n <= 9)
1333 cur.insert(new MathMacroArgument(n));
1337 if (isAlphaASCII(c)) {
1338 cur.activeMacro()->setName(name + docstring(1, c));
1342 // handle 'special char' macros
1347 if (currentMode() == InsetMath::TEXT_MODE)
1348 cur.niceInsert(createInsetMath("textbackslash"));
1350 cur.niceInsert(createInsetMath("backslash"));
1351 } else if (c == '{') {
1353 cur.niceInsert(MathAtom(new InsetMathBrace));
1354 } else if (c == '%') {
1356 cur.niceInsert(MathAtom(new InsetMathComment));
1357 } else if (c == '#') {
1358 BOOST_ASSERT(cur.activeMacro());
1359 cur.activeMacro()->setName(name + docstring(1, c));
1362 cur.niceInsert(createInsetMath(docstring(1, c)));
1367 // One character big delimiters. The others are handled in
1368 // interpretString().
1369 latexkeys const * l = in_word_set(name.substr(1));
1370 if (name[0] == '\\' && l && l->inset == "big") {
1374 delim = from_ascii("\\{");
1377 delim = from_ascii("\\}");
1380 delim = docstring(1, c);
1383 if (InsetMathBig::isBigInsetDelim(delim)) {
1384 // name + delim ared a valid InsetMathBig.
1385 // We can't use cur.macroModeClose() because
1386 // it does not handle delim.
1387 InsetMathUnknown * p = cur.activeMacro();
1390 cur.cell().erase(cur.pos());
1391 cur.plainInsert(MathAtom(
1392 new InsetMathBig(name.substr(1), delim)));
1397 // leave macro mode and try again if necessary
1398 cur.macroModeClose();
1400 cur.niceInsert(MathAtom(new InsetMathBrace));
1402 interpretChar(cur, c);
1406 // This is annoying as one has to press <space> far too often.
1410 // leave autocorrect mode if necessary
1411 if (autocorrect() && c == ' ') {
1412 autocorrect() = false;
1417 // just clear selection on pressing the space bar
1418 if (cur.selection() && c == ' ') {
1419 cur.selection() = false;
1426 //lyxerr << "starting with macro" << endl;
1427 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), false)));
1432 if (currentMode() == InsetMath::TEXT_MODE)
1438 if (currentMode() == InsetMath::TEXT_MODE) {
1439 // insert spaces in text mode,
1440 // but suppress direct insertion of two spaces in a row
1441 // the still allows typing '<space>a<space>' and deleting the 'a', but
1442 // it is better than nothing...
1443 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ') {
1445 // FIXME: we have to enable full redraw here because of the
1446 // visual box corners that define the inset. If we know for
1447 // sure that we stay within the same cell we can optimize for
1449 //cur.updateFlags(Update::SinglePar | Update::FitCursor);
1453 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1454 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1455 // FIXME: we have to enable full redraw here because of the
1456 // visual box corners that define the inset. If we know for
1457 // sure that we stay within the same cell we can optimize for
1459 //cur.updateFlags(Update::SinglePar | Update::FitCursor);
1463 if (cur.popForward()) {
1464 // FIXME: we have to enable full redraw here because of the
1465 // visual box corners that define the inset. If we know for
1466 // sure that we stay within the same cell we can optimize for
1468 //cur.updateFlags(Update::FitCursor);
1472 // if we are at the very end, leave the formula
1473 return cur.pos() != cur.lastpos();
1476 // These shouldn't work in text mode:
1477 if (currentMode() != InsetMath::TEXT_MODE) {
1479 script(cur, false, save_selection);
1483 script(cur, true, save_selection);
1487 cur.niceInsert(createInsetMath("sim"));
1492 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1493 c == '%' || c == '_' || c == '^') {
1494 cur.niceInsert(createInsetMath(docstring(1, c)));
1499 // try auto-correction
1500 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1503 // no special circumstances, so insert the character without any fuss
1505 cur.autocorrect() = true;
1510 bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
1512 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1514 if (!cur.empty() && cur.pos() > 0 &&
1515 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1516 if (InsetMathBig::isBigInsetDelim(str)) {
1517 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1518 if (prev[0] == '\\') {
1519 prev = prev.substr(1);
1520 latexkeys const * l = in_word_set(prev);
1521 if (l && l->inset == "big") {
1522 cur.cell()[cur.pos() - 1] =
1523 MathAtom(new InsetMathBig(prev, str));
1533 bool InsetMathNest::script(Cursor & cur, bool up,
1534 docstring const & save_selection)
1536 // Hack to get \^ and \_ working
1537 //lyxerr << "handling script: up: " << up << endl;
1538 if (cur.inMacroMode() && cur.macroName() == "\\") {
1540 cur.niceInsert(createInsetMath("mathcircumflex"));
1542 interpretChar(cur, '_');
1546 cur.macroModeClose();
1547 if (asScriptInset() && cur.idx() == 0) {
1548 // we are in a nucleus of a script inset, move to _our_ script
1549 InsetMathScript * inset = asScriptInset();
1550 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1552 cur.idx() = inset->idxOfScript(up);
1554 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1556 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1559 cur.idx() = inset->idxOfScript(up);
1560 cur.pos() = cur.lastpos();
1562 // convert the thing to our left to a scriptinset or create a new
1563 // one if in the very first position of the array
1564 if (cur.pos() == 0) {
1565 //lyxerr << "new scriptinset" << endl;
1566 cur.insert(new InsetMathScript(up));
1568 //lyxerr << "converting prev atom " << endl;
1569 cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
1572 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1573 // See comment in MathParser.cpp for special handling of {}-bases
1579 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1580 cur.niceInsert(save_selection);
1582 //lyxerr << "inserting selection 2:\n" << save_selection << endl;