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 "InsetMathMBox.h"
24 #include "InsetMathRef.h"
25 #include "InsetMathScript.h"
26 #include "InsetMathSpace.h"
27 #include "InsetMathSymbol.h"
28 #include "InsetMathUnknown.h"
30 #include "MathFactory.h"
31 #include "MathMacroArgument.h"
32 #include "MathParser.h"
33 #include "MathStream.h"
34 #include "MathSupport.h"
36 #include "bufferview_funcs.h"
37 #include "BufferView.h"
39 #include "CoordCache.h"
41 #include "CutAndPaste.h"
43 #include "DispatchResult.h"
44 #include "FuncRequest.h"
45 #include "FuncStatus.h"
48 #include "OutputParams.h"
51 #include "support/lstrings.h"
52 #include "support/textutils.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(ptr_cmp(&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)
155 bool InsetMathNest::idxNext(Cursor & cur) const
157 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
158 if (cur.idx() == cur.lastidx())
166 bool InsetMathNest::idxRight(Cursor & cur) const
172 bool InsetMathNest::idxPrev(Cursor & cur) const
174 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
178 cur.pos() = cur.lastpos();
183 bool InsetMathNest::idxLeft(Cursor & cur) const
189 bool InsetMathNest::idxFirst(Cursor & cur) const
191 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
200 bool InsetMathNest::idxLast(Cursor & cur) const
202 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
205 cur.idx() = cur.lastidx();
206 cur.pos() = cur.lastpos();
211 void InsetMathNest::dump() const
213 odocstringstream oss;
215 os << "---------------------------------------------\n";
218 for (idx_type i = 0, n = nargs(); i != n; ++i)
219 os << cell(i) << "\n";
220 os << "---------------------------------------------\n";
221 lyxerr << to_utf8(oss.str());
225 void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
229 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
232 setPosCache(pi, x, y);
236 void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
238 BufferView & bv = *pi.base.bv;
239 // this should use the x/y values given, not the cached values
240 Cursor & cur = bv.cursor();
241 if (!cur.selection())
243 if (!ptr_cmp(&cur.inset(), this))
246 // FIXME: hack to get position cache warm
247 pi.pain.setDrawingEnabled(false);
249 pi.pain.setDrawingEnabled(true);
251 CursorSlice s1 = cur.selBegin();
252 CursorSlice s2 = cur.selEnd();
254 //lyxerr << "InsetMathNest::drawing selection: "
255 // << " s1: " << s1 << " s2: " << s2 << endl;
256 if (s1.idx() == s2.idx()) {
257 MathData const & c = cell(s1.idx());
258 int x1 = c.xo(bv) + c.pos2x(s1.pos());
259 int y1 = c.yo(bv) - c.ascent();
260 int x2 = c.xo(bv) + c.pos2x(s2.pos());
261 int y2 = c.yo(bv) + c.descent();
262 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color::selection);
263 //lyxerr << "InsetMathNest::drawing selection 3: "
264 // << " x1: " << x1 << " x2: " << x2
265 // << " y1: " << y1 << " y2: " << y2 << endl;
267 for (idx_type i = 0; i < nargs(); ++i) {
268 if (idxBetween(i, s1.idx(), s2.idx())) {
269 MathData const & c = cell(i);
271 int y1 = c.yo(bv) - c.ascent();
272 int x2 = c.xo(bv) + c.width();
273 int y2 = c.yo(bv) + c.descent();
274 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color::selection);
281 void InsetMathNest::validate(LaTeXFeatures & features) const
283 for (idx_type i = 0; i < nargs(); ++i)
284 cell(i).validate(features);
288 void InsetMathNest::replace(ReplaceData & rep)
290 for (idx_type i = 0; i < nargs(); ++i)
291 cell(i).replace(rep);
295 bool InsetMathNest::contains(MathData const & ar) const
297 for (idx_type i = 0; i < nargs(); ++i)
298 if (cell(i).contains(ar))
304 bool InsetMathNest::lock() const
310 void InsetMathNest::lock(bool l)
316 bool InsetMathNest::isActive() const
322 MathData InsetMathNest::glue() const
325 for (size_t i = 0; i < nargs(); ++i)
331 void InsetMathNest::write(WriteStream & os) const
333 os << '\\' << name().c_str();
334 for (size_t i = 0; i < nargs(); ++i)
335 os << '{' << cell(i) << '}';
337 os.pendingSpace(true);
338 if (lock_ && !os.latex()) {
340 os.pendingSpace(true);
345 void InsetMathNest::normalize(NormalStream & os) const
347 os << '[' << name().c_str();
348 for (size_t i = 0; i < nargs(); ++i)
349 os << ' ' << cell(i);
354 int InsetMathNest::latex(Buffer const &, odocstream & os,
355 OutputParams const & runparams) const
357 WriteStream wi(os, runparams.moving_arg, true);
363 bool InsetMathNest::setMouseHover(bool mouse_hover)
365 mouse_hover_ = mouse_hover;
370 bool InsetMathNest::notifyCursorLeaves(Cursor & /*cur*/)
374 MathData & ar = cur.cell();
375 // remove base-only "scripts"
376 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
377 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
378 if (p && p->nargs() == 1) {
379 MathData ar = p->nuc();
382 cur.adjust(i, ar.size() - 1);
386 // glue adjacent font insets of the same kind
387 for (pos_type i = 0; i + 1 < size(); ++i) {
388 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
389 InsetMathFont const * q = operator[](i + 1)->asFontInset();
390 if (p && q && p->name() == q->name()) {
391 p->cell(0).append(q->cell(0));
401 void InsetMathNest::handleFont
402 (Cursor & cur, docstring const & arg, char const * const font)
404 handleFont(cur, arg, from_ascii(font));
408 void InsetMathNest::handleFont
409 (Cursor & cur, docstring const & arg, docstring const & font)
411 // this whole function is a hack and won't work for incremental font
414 if (cur.inset().asInsetMath()->name() == font) {
415 recordUndoInset(cur, Undo::ATOMIC);
416 cur.handleFont(to_utf8(font));
418 recordUndo(cur, Undo::ATOMIC);
419 cur.handleNest(createInsetMath(font));
425 void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
427 recordUndo(cur, Undo::ATOMIC);
430 bv_funcs::string2font(to_utf8(arg), font, b);
431 if (font.color() != Color::inherit) {
432 MathAtom at = MathAtom(new InsetMathColor(true, font.color()));
433 cur.handleNest(at, 0);
438 void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
440 //lyxerr << "InsetMathNest: request: " << cmd << std::endl;
441 //CursorSlice sl = cur.current();
443 switch (cmd.action) {
447 cur.message(_("Paste"));
448 replaceSelection(cur);
450 if (cmd.argument().empty() && !theClipboard().isInternal())
451 topaste = theClipboard().getAsText();
454 idocstringstream is(cmd.argument());
456 topaste = cap::getSelection(cur.buffer(), n);
458 cur.niceInsert(topaste);
459 cur.clearSelection(); // bug 393
466 cutSelection(cur, true, true);
467 cur.message(_("Cut"));
468 // Prevent stale position >= size crash
469 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
475 cur.message(_("Copy"));
478 case LFUN_MOUSE_PRESS:
479 lfunMousePress(cur, cmd);
482 case LFUN_MOUSE_MOTION:
483 lfunMouseMotion(cur, cmd);
486 case LFUN_MOUSE_RELEASE:
487 lfunMouseRelease(cur, cmd);
490 case LFUN_FINISHED_LEFT:
491 cur.bv().cursor() = cur;
494 case LFUN_FINISHED_RIGHT:
496 cur.bv().cursor() = cur;
499 case LFUN_CHAR_FORWARD:
500 cur.updateFlags(Update::Decoration | Update::FitCursor);
501 case LFUN_CHAR_FORWARD_SELECT:
502 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
503 cur.autocorrect() = false;
505 cur.macroModeClose();
506 if (reverseDirectionNeeded(cur))
507 goto goto_char_backwards;
510 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
511 cur.pushLeft(*cur.nextAtom().nucleus());
512 cur.inset().idxFirst(cur);
513 } else if (cur.posRight() || idxRight(cur)
514 || cur.popRight() || cur.selection())
517 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
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 (reverseDirectionNeeded(cur))
530 goto goto_char_forwards;
533 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
535 cur.push(*cur.nextAtom().nucleus());
536 cur.inset().idxLast(cur);
537 } else if (cur.posLeft() || idxLeft(cur)
538 || cur.popLeft() || cur.selection())
541 cmd = FuncRequest(LFUN_FINISHED_LEFT);
548 cur.updateFlags(Update::Decoration | Update::FitCursor);
549 case LFUN_DOWN_SELECT:
550 case LFUN_UP_SELECT: {
551 // close active macro
552 if (cur.inMacroMode()) {
553 cur.macroModeClose();
557 // stop/start the selection
558 bool select = cmd.action == LFUN_DOWN_SELECT ||
559 cmd.action == LFUN_UP_SELECT;
560 cur.selHandle(select);
563 bool up = cmd.action == LFUN_UP || cmd.action == LFUN_UP_SELECT;
564 bool successful = cur.upDownInMath(up);
566 // notify left insets and give them chance to set update flags
567 lyx::notifyCursorLeaves(cur.beforeDispatchCursor(), cur);
572 if (cur.fixIfBroken())
573 // FIXME: Something bad happened. We pass the corrected Cursor
574 // instead of letting things go worse.
577 // We did not manage to move the cursor.
582 case LFUN_MOUSE_DOUBLE:
583 case LFUN_MOUSE_TRIPLE:
584 case LFUN_WORD_SELECT:
588 cur.selection() = true;
589 cur.pos() = cur.lastpos();
590 cur.idx() = cur.lastidx();
593 case LFUN_PARAGRAPH_UP:
594 case LFUN_PARAGRAPH_DOWN:
595 cur.updateFlags(Update::Decoration | Update::FitCursor);
596 case LFUN_PARAGRAPH_UP_SELECT:
597 case LFUN_PARAGRAPH_DOWN_SELECT:
600 case LFUN_LINE_BEGIN:
601 case LFUN_WORD_BACKWARD:
602 cur.updateFlags(Update::Decoration | Update::FitCursor);
603 case LFUN_LINE_BEGIN_SELECT:
604 case LFUN_WORD_BACKWARD_SELECT:
605 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
606 cmd.action == LFUN_LINE_BEGIN_SELECT);
607 cur.macroModeClose();
608 if (cur.pos() != 0) {
610 } else if (cur.col() != 0) {
611 cur.idx() -= cur.col();
613 } else if (cur.idx() != 0) {
617 cmd = FuncRequest(LFUN_FINISHED_LEFT);
622 case LFUN_WORD_FORWARD:
624 cur.updateFlags(Update::Decoration | Update::FitCursor);
625 case LFUN_WORD_FORWARD_SELECT:
626 case LFUN_LINE_END_SELECT:
627 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
628 cmd.action == LFUN_LINE_END_SELECT);
629 cur.macroModeClose();
631 if (cur.pos() != cur.lastpos()) {
632 cur.pos() = cur.lastpos();
633 } else if (ncols() && (cur.col() != cur.lastcol())) {
634 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
635 cur.pos() = cur.lastpos();
636 } else if (cur.idx() != cur.lastidx()) {
637 cur.idx() = cur.lastidx();
638 cur.pos() = cur.lastpos();
640 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
645 case LFUN_SCREEN_UP_SELECT:
647 cmd = FuncRequest(LFUN_FINISHED_LEFT);
651 case LFUN_SCREEN_DOWN_SELECT:
652 case LFUN_SCREEN_DOWN:
653 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
657 case LFUN_CELL_FORWARD:
658 cur.updateFlags(Update::Decoration | Update::FitCursor);
659 cur.inset().idxNext(cur);
662 case LFUN_CELL_BACKWARD:
663 cur.updateFlags(Update::Decoration | Update::FitCursor);
664 cur.inset().idxPrev(cur);
667 case LFUN_WORD_DELETE_BACKWARD:
668 case LFUN_CHAR_DELETE_BACKWARD:
670 // May affect external cell:
671 recordUndoInset(cur, Undo::ATOMIC);
673 recordUndo(cur, Undo::ATOMIC);
674 // if the inset can not be removed from within, delete it
675 if (!cur.backspace()) {
676 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
677 cur.innerText()->dispatch(cur, cmd);
681 case LFUN_WORD_DELETE_FORWARD:
682 case LFUN_CHAR_DELETE_FORWARD:
683 if (cur.pos() == cur.lastpos())
684 // May affect external cell:
685 recordUndoInset(cur, Undo::ATOMIC);
687 recordUndo(cur, Undo::ATOMIC);
688 // if the inset can not be removed from within, delete it
690 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
691 cur.innerText()->dispatch(cur, cmd);
697 cur.clearSelection();
699 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
704 case LFUN_INSET_TOGGLE:
710 case LFUN_SELF_INSERT:
711 if (cmd.argument().size() != 1) {
713 docstring const arg = cmd.argument();
714 if (!interpretString(cur, arg))
718 // Don't record undo steps if we are in macro mode and
719 // cmd.argument is the next character of the macro name.
720 // Otherwise we'll get an invalid cursor if we undo after
721 // the macro was finished and the macro is a known command,
722 // e.g. sqrt. Cursor::macroModeClose replaces in this case
723 // the InsetMathUnknown with name "frac" by an empty
724 // InsetMathFrac -> a pos value > 0 is invalid.
725 // A side effect is that an undo before the macro is finished
726 // undoes the complete macro, not only the last character.
727 if (!cur.inMacroMode())
730 // spacial handling of space. If we insert an inset
731 // via macro mode, we want to put the cursor inside it
732 // if relevant. Think typing "\frac<space>".
733 if (cmd.argument()[0] == ' '
734 && cur.inMacroMode() && cur.macroName() != "\\"
735 && cur.macroModeClose()) {
736 MathAtom const atom = cur.prevAtom();
737 if (atom->asNestInset() && atom->isActive()) {
739 cur.pushLeft(*cur.nextInset());
741 } else if (!interpretChar(cur, cmd.argument()[0])) {
742 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
747 //case LFUN_SERVER_GET_XY:
748 // sprintf(dispatch_buffer, "%d %d",);
751 case LFUN_SERVER_SET_XY: {
752 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
755 istringstream is(to_utf8(cmd.argument()));
757 cur.setScreenPos(x, y);
761 // Special casing for superscript in case of LyX handling
763 case LFUN_ACCENT_CIRCUMFLEX:
764 if (cmd.argument().empty()) {
765 // do superscript if LyX handles
767 recordUndo(cur, Undo::ATOMIC);
768 script(cur, true, grabAndEraseSelection(cur));
772 case LFUN_ACCENT_UMLAUT:
773 case LFUN_ACCENT_ACUTE:
774 case LFUN_ACCENT_GRAVE:
775 case LFUN_ACCENT_BREVE:
776 case LFUN_ACCENT_DOT:
777 case LFUN_ACCENT_MACRON:
778 case LFUN_ACCENT_CARON:
779 case LFUN_ACCENT_TILDE:
780 case LFUN_ACCENT_CEDILLA:
781 case LFUN_ACCENT_CIRCLE:
782 case LFUN_ACCENT_UNDERDOT:
783 case LFUN_ACCENT_TIE:
784 case LFUN_ACCENT_OGONEK:
785 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
789 case LFUN_FONT_FREE_APPLY:
790 case LFUN_FONT_FREE_UPDATE:
791 handleFont2(cur, cmd.argument());
795 if (currentMode() == TEXT_MODE)
796 handleFont(cur, cmd.argument(), "textbf");
798 handleFont(cur, cmd.argument(), "mathbf");
801 if (currentMode() == TEXT_MODE)
802 handleFont(cur, cmd.argument(), "textsf");
804 handleFont(cur, cmd.argument(), "mathsf");
807 if (currentMode() == TEXT_MODE)
808 handleFont(cur, cmd.argument(), "emph");
810 handleFont(cur, cmd.argument(), "mathcal");
812 case LFUN_FONT_ROMAN:
813 if (currentMode() == TEXT_MODE)
814 handleFont(cur, cmd.argument(), "textrm");
816 handleFont(cur, cmd.argument(), "mathrm");
819 if (currentMode() == TEXT_MODE)
820 handleFont(cur, cmd.argument(), "texttt");
822 handleFont(cur, cmd.argument(), "mathtt");
825 handleFont(cur, cmd.argument(), "mathfrak");
828 if (currentMode() == TEXT_MODE)
829 handleFont(cur, cmd.argument(), "textit");
831 handleFont(cur, cmd.argument(), "mathit");
834 if (currentMode() == TEXT_MODE)
835 // FIXME: should be "noun"
836 handleFont(cur, cmd.argument(), "textsc");
838 handleFont(cur, cmd.argument(), "mathbb");
841 case LFUN_FONT_FREE_APPLY:
842 handleFont(cur, cmd.argument(), "textrm");
845 case LFUN_FONT_DEFAULT:
846 handleFont(cur, cmd.argument(), "textnormal");
849 case LFUN_MATH_MODE: {
851 // ignore math-mode on when already in math mode
852 if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
854 cur.macroModeClose();
855 docstring const save_selection = grabAndEraseSelection(cur);
857 //cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
858 cur.plainInsert(MathAtom(new InsetMathBox(from_ascii("mbox"))));
860 cur.pushLeft(*cur.nextInset());
861 cur.niceInsert(save_selection);
863 if (currentMode() == Inset::TEXT_MODE) {
864 cur.niceInsert(MathAtom(new InsetMathHull("simple")));
865 cur.message(_("create new math text environment ($...$)"));
867 handleFont(cur, cmd.argument(), "textrm");
868 cur.message(_("entered math text mode (textrm)"));
881 case LFUN_MATH_MATRIX: {
882 recordUndo(cur, Undo::ATOMIC);
887 idocstringstream is(cmd.argument());
888 is >> m >> n >> v_align >> h_align;
895 MathAtom(new InsetMathArray(from_ascii("array"), m, n, (char)v_align[0], h_align)));
899 case LFUN_MATH_DELIM: {
901 docstring rs = support::split(cmd.argument(), ls, ' ');
902 // Reasonable default values
907 recordUndo(cur, Undo::ATOMIC);
908 cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
912 case LFUN_MATH_BIGDELIM: {
913 docstring const lname = from_utf8(cmd.getArg(0));
914 docstring const ldelim = from_utf8(cmd.getArg(1));
915 docstring const rname = from_utf8(cmd.getArg(2));
916 docstring const rdelim = from_utf8(cmd.getArg(3));
917 latexkeys const * l = in_word_set(lname);
918 bool const have_l = l && l->inset == "big" &&
919 InsetMathBig::isBigInsetDelim(ldelim);
920 l = in_word_set(rname);
921 bool const have_r = l && l->inset == "big" &&
922 InsetMathBig::isBigInsetDelim(rdelim);
923 // We mimic LFUN_MATH_DELIM in case we have an empty left
924 // or right delimiter.
925 if (have_l || have_r) {
926 recordUndo(cur, Undo::ATOMIC);
927 docstring const selection = grabAndEraseSelection(cur);
930 cur.insert(MathAtom(new InsetMathBig(lname,
932 cur.niceInsert(selection);
934 cur.insert(MathAtom(new InsetMathBig(rname,
937 // Don't call cur.undispatched() if we did nothing, this would
938 // lead to infinite recursion via Text::dispatch().
942 case LFUN_SPACE_INSERT:
943 case LFUN_MATH_SPACE:
944 recordUndo(cur, Undo::ATOMIC);
945 cur.insert(MathAtom(new InsetMathSpace(from_ascii(","))));
948 case LFUN_ERT_INSERT:
949 // interpret this as if a backslash was typed
950 recordUndo(cur, Undo::ATOMIC);
951 interpretChar(cur, '\\');
954 case LFUN_MATH_SUBSCRIPT:
955 // interpret this as if a _ was typed
956 recordUndo(cur, Undo::ATOMIC);
957 interpretChar(cur, '_');
960 case LFUN_MATH_SUPERSCRIPT:
961 // interpret this as if a ^ was typed
962 recordUndo(cur, Undo::ATOMIC);
963 interpretChar(cur, '^');
966 case LFUN_QUOTE_INSERT:
967 // interpret this as if a straight " was typed
968 recordUndo(cur, Undo::ATOMIC);
969 interpretChar(cur, '\"');
972 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
973 // handling such that "self-insert" works on "arbitrary stuff" too, and
974 // math-insert only handles special math things like "matrix".
975 case LFUN_MATH_INSERT: {
976 recordUndo(cur, Undo::ATOMIC);
977 if (cmd.argument() == "^" || cmd.argument() == "_") {
978 interpretChar(cur, cmd.argument()[0]);
980 cur.niceInsert(cmd.argument());
984 case LFUN_DIALOG_SHOW_NEW_INSET: {
985 docstring const & name = cmd.argument();
988 InsetMathRef tmp(name);
989 data = tmp.createDialogStr(to_utf8(name));
991 cur.bv().showInsetDialog(to_utf8(name), data, 0);
995 case LFUN_INSET_INSERT: {
997 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
1006 InsetMath::doDispatch(cur, cmd);
1012 bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
1013 FuncStatus & flag) const
1015 // the font related toggles
1016 //string tc = "mathnormal";
1018 string const arg = to_utf8(cmd.argument());
1019 switch (cmd.action) {
1020 case LFUN_TABULAR_FEATURE:
1021 flag.enabled(false);
1024 case LFUN_TABULAR_FEATURE:
1025 // FIXME: check temporarily disabled
1027 char align = mathcursor::valign();
1028 if (align == '\0') {
1032 if (cmd.argument().empty()) {
1036 if (!contains("tcb", cmd.argument()[0])) {
1040 flag.setOnOff(cmd.argument()[0] == align);
1043 /// We have to handle them since 1.4 blocks all unhandled actions
1044 case LFUN_FONT_ITAL:
1045 case LFUN_FONT_BOLD:
1046 case LFUN_FONT_SANS:
1047 case LFUN_FONT_EMPH:
1048 case LFUN_FONT_CODE:
1049 case LFUN_FONT_NOUN:
1050 case LFUN_FONT_ROMAN:
1051 case LFUN_FONT_DEFAULT:
1054 case LFUN_MATH_MUTATE:
1055 //flag.setOnOff(mathcursor::formula()->hullType() == to_utf8(cmd.argument()));
1056 flag.setOnOff(false);
1059 // we just need to be in math mode to enable that
1060 case LFUN_MATH_SIZE:
1061 case LFUN_MATH_SPACE:
1062 case LFUN_MATH_LIMITS:
1063 case LFUN_MATH_NONUMBER:
1064 case LFUN_MATH_NUMBER:
1065 case LFUN_MATH_EXTERN:
1069 case LFUN_FONT_FRAK:
1070 flag.enabled(currentMode() != TEXT_MODE);
1073 case LFUN_MATH_INSERT: {
1074 bool const textarg =
1075 arg == "\\textbf" || arg == "\\textsf" ||
1076 arg == "\\textrm" || arg == "\\textmd" ||
1077 arg == "\\textit" || arg == "\\textsc" ||
1078 arg == "\\textsl" || arg == "\\textup" ||
1079 arg == "\\texttt" || arg == "\\textbb" ||
1080 arg == "\\textnormal";
1081 flag.enabled(currentMode() != TEXT_MODE || textarg);
1085 case LFUN_MATH_MATRIX:
1086 flag.enabled(currentMode() == MATH_MODE);
1089 case LFUN_INSET_INSERT: {
1090 // Don't test createMathInset_fromDialogStr(), since
1091 // getStatus is not called with a valid reference and the
1092 // dialog would not be applyable.
1093 string const name = cmd.getArg(0);
1094 flag.enabled(name == "ref");
1098 case LFUN_MATH_DELIM:
1099 case LFUN_MATH_BIGDELIM:
1100 // Don't do this with multi-cell selections
1101 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1104 case LFUN_HYPHENATION_POINT_INSERT:
1105 case LFUN_LIGATURE_BREAK_INSERT:
1106 case LFUN_MENU_SEPARATOR_INSERT:
1107 case LFUN_DOTS_INSERT:
1108 case LFUN_END_OF_SENTENCE_PERIOD_INSERT:
1109 // FIXME: These would probably make sense in math-text mode
1110 flag.enabled(false);
1121 void InsetMathNest::edit(Cursor & cur, bool left)
1124 cur.idx() = left ? 0 : cur.lastidx();
1125 cur.pos() = left ? 0 : cur.lastpos();
1127 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1131 Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
1134 int dist_min = 1000000;
1135 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1136 int const d = cell(i).dist(cur.bv(), x, y);
1142 MathData & ar = cell(idx_min);
1144 cur.idx() = idx_min;
1145 cur.pos() = ar.x2pos(x - ar.xo(cur.bv()));
1147 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1148 if (dist_min == 0) {
1150 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1151 if (ar[i]->covers(cur.bv(), x, y))
1152 return ar[i].nucleus()->editXY(cur, x, y);
1158 void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
1160 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1161 BufferView & bv = cur.bv();
1162 bv.mouseSetCursor(cur);
1163 if (cmd.button() == mouse_button::button1) {
1164 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1165 // Update the cursor update flags as needed:
1167 // Update::Decoration: tells to update the decoration
1168 // (visual box corners that define
1170 // Update::FitCursor: adjust the screen to the cursor
1171 // position if needed
1172 // cur.result().update(): don't overwrite previously set flags.
1173 cur.updateFlags(Update::Decoration | Update::FitCursor
1174 | cur.result().update());
1175 } else if (cmd.button() == mouse_button::button2) {
1176 if (cap::selection()) {
1177 // See comment in Text::dispatch why we do this
1178 cap::copySelectionToStack();
1179 cmd = FuncRequest(LFUN_PASTE, "0");
1180 doDispatch(bv.cursor(), cmd);
1183 asArray(theSelection().get(), ar);
1184 bv.cursor().insert(ar);
1190 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
1192 // only select with button 1
1193 if (cmd.button() == mouse_button::button1) {
1194 Cursor & bvcur = cur.bv().cursor();
1195 if (bvcur.anchor_.hasPart(cur)) {
1196 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1197 bvcur.setCursor(cur);
1198 bvcur.selection() = true;
1199 //lyxerr << "MOTION " << bvcur << endl;
1206 void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
1208 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1210 if (cmd.button() == mouse_button::button1) {
1211 if (!cur.selection())
1214 Cursor & bvcur = cur.bv().cursor();
1215 bvcur.selection() = true;
1224 bool InsetMathNest::interpretChar(Cursor & cur, char_type c)
1226 //lyxerr << "interpret 2: '" << c << "'" << endl;
1227 docstring save_selection;
1228 if (c == '^' || c == '_')
1229 save_selection = grabAndEraseSelection(cur);
1234 if (cur.inMacroMode()) {
1235 docstring name = cur.macroName();
1237 /// are we currently typing '#1' or '#2' or...?
1238 if (name == "\\#") {
1241 if (n >= 1 && n <= 9)
1242 cur.insert(new MathMacroArgument(n));
1246 if (isAlphaASCII(c)) {
1247 cur.activeMacro()->setName(name + docstring(1, c));
1251 // handle 'special char' macros
1256 if (currentMode() == InsetMath::TEXT_MODE)
1257 cur.niceInsert(createInsetMath("textbackslash"));
1259 cur.niceInsert(createInsetMath("backslash"));
1260 } else if (c == '{') {
1262 cur.niceInsert(MathAtom(new InsetMathBrace));
1263 } else if (c == '%') {
1265 cur.niceInsert(MathAtom(new InsetMathComment));
1266 } else if (c == '#') {
1267 BOOST_ASSERT(cur.activeMacro());
1268 cur.activeMacro()->setName(name + docstring(1, c));
1271 cur.niceInsert(createInsetMath(docstring(1, c)));
1276 // One character big delimiters. The others are handled in
1277 // interpretString().
1278 latexkeys const * l = in_word_set(name.substr(1));
1279 if (name[0] == '\\' && l && l->inset == "big") {
1283 delim = from_ascii("\\{");
1286 delim = from_ascii("\\}");
1289 delim = docstring(1, c);
1292 if (InsetMathBig::isBigInsetDelim(delim)) {
1293 // name + delim ared a valid InsetMathBig.
1294 // We can't use cur.macroModeClose() because
1295 // it does not handle delim.
1296 InsetMathUnknown * p = cur.activeMacro();
1299 cur.cell().erase(cur.pos());
1300 cur.plainInsert(MathAtom(
1301 new InsetMathBig(name.substr(1), delim)));
1306 // leave macro mode and try again if necessary
1307 cur.macroModeClose();
1309 cur.niceInsert(MathAtom(new InsetMathBrace));
1311 interpretChar(cur, c);
1315 // This is annoying as one has to press <space> far too often.
1319 // leave autocorrect mode if necessary
1320 if (autocorrect() && c == ' ') {
1321 autocorrect() = false;
1326 // just clear selection on pressing the space bar
1327 if (cur.selection() && c == ' ') {
1328 cur.selection() = false;
1335 //lyxerr << "starting with macro" << endl;
1336 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), false)));
1341 if (currentMode() == InsetMath::TEXT_MODE)
1347 if (currentMode() == InsetMath::TEXT_MODE) {
1348 // insert spaces in text mode,
1349 // but suppress direct insertion of two spaces in a row
1350 // the still allows typing '<space>a<space>' and deleting the 'a', but
1351 // it is better than nothing...
1352 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ') {
1354 // FIXME: we have to enable full redraw here because of the
1355 // visual box corners that define the inset. If we know for
1356 // sure that we stay within the same cell we can optimize for
1358 //cur.updateFlags(Update::SinglePar | Update::FitCursor);
1362 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1363 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1364 // FIXME: we have to enable full redraw here because of the
1365 // visual box corners that define the inset. If we know for
1366 // sure that we stay within the same cell we can optimize for
1368 //cur.updateFlags(Update::SinglePar | Update::FitCursor);
1372 if (cur.popRight()) {
1373 // FIXME: we have to enable full redraw here because of the
1374 // visual box corners that define the inset. If we know for
1375 // sure that we stay within the same cell we can optimize for
1377 //cur.updateFlags(Update::FitCursor);
1381 // if we are at the very end, leave the formula
1382 return cur.pos() != cur.lastpos();
1385 // These shouldn't work in text mode:
1386 if (currentMode() != InsetMath::TEXT_MODE) {
1388 script(cur, false, save_selection);
1392 script(cur, true, save_selection);
1396 cur.niceInsert(createInsetMath("sim"));
1401 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1402 c == '%' || c == '_' || c == '^') {
1403 cur.niceInsert(createInsetMath(docstring(1, c)));
1408 // try auto-correction
1409 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1412 // no special circumstances, so insert the character without any fuss
1414 cur.autocorrect() = true;
1419 bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
1421 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1423 if (!cur.empty() && cur.pos() > 0 &&
1424 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1425 if (InsetMathBig::isBigInsetDelim(str)) {
1426 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1427 if (prev[0] == '\\') {
1428 prev = prev.substr(1);
1429 latexkeys const * l = in_word_set(prev);
1430 if (l && l->inset == "big") {
1431 cur.cell()[cur.pos() - 1] =
1432 MathAtom(new InsetMathBig(prev, str));
1442 bool InsetMathNest::script(Cursor & cur, bool up,
1443 docstring const & save_selection)
1445 // Hack to get \^ and \_ working
1446 //lyxerr << "handling script: up: " << up << endl;
1447 if (cur.inMacroMode() && cur.macroName() == "\\") {
1449 cur.niceInsert(createInsetMath("mathcircumflex"));
1451 interpretChar(cur, '_');
1455 cur.macroModeClose();
1456 if (asScriptInset() && cur.idx() == 0) {
1457 // we are in a nucleus of a script inset, move to _our_ script
1458 InsetMathScript * inset = asScriptInset();
1459 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1461 cur.idx() = inset->idxOfScript(up);
1463 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1465 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1468 cur.idx() = inset->idxOfScript(up);
1469 cur.pos() = cur.lastpos();
1471 // convert the thing to our left to a scriptinset or create a new
1472 // one if in the very first position of the array
1473 if (cur.pos() == 0) {
1474 //lyxerr << "new scriptinset" << endl;
1475 cur.insert(new InsetMathScript(up));
1477 //lyxerr << "converting prev atom " << endl;
1478 cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
1481 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1482 // See comment in MathParser.cpp for special handling of {}-bases
1488 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1489 cur.niceInsert(save_selection);
1491 //lyxerr << "inserting selection 2:\n" << save_selection << endl;