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"
41 #include "support/debug.h"
42 #include "DispatchResult.h"
43 #include "FuncRequest.h"
44 #include "FuncStatus.h"
46 #include "support/gettext.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"
66 using cap::copySelection;
67 using cap::grabAndEraseSelection;
68 using cap::cutSelection;
69 using cap::replaceSelection;
70 using cap::selClearOrDel;
73 InsetMathNest::InsetMathNest(idx_type nargs)
74 : cells_(nargs), lock_(false), mouse_hover_(false)
78 InsetMathNest::InsetMathNest(InsetMathNest const & inset)
79 : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_),
84 InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
86 cells_ = inset.cells_;
89 InsetMath::operator=(inset);
94 InsetMath::idx_type InsetMathNest::nargs() const
100 void InsetMathNest::cursorPos(BufferView const & bv,
101 CursorSlice const & sl, bool /*boundary*/,
102 int & x, int & y) const
104 // FIXME: This is a hack. Ideally, the coord cache should not store
105 // absolute positions, but relative ones. This would mean to call
106 // setXY() not in MathData::draw(), but in the parent insets' draw()
107 // with the correctly adjusted x,y values. But this means that we'd have
108 // to touch all (math)inset's draw() methods. Right now, we'll store
109 // absolute value, and make them here relative, only to make them
110 // absolute again when actually drawing the cursor. What a mess.
111 BOOST_ASSERT(&sl.inset() == this);
112 MathData const & ar = sl.cell();
113 CoordCache const & coord_cache = bv.coordCache();
114 if (!coord_cache.getArrays().has(&ar)) {
115 // this can (semi-)legally happen if we just created this cell
116 // and it never has been drawn before. So don't ASSERT.
117 //lyxerr << "no cached data for array " << &ar << endl;
122 Point const pt = coord_cache.getArrays().xy(&ar);
123 if (!coord_cache.getInsets().has(this)) {
125 //lyxerr << "no cached data for inset " << this << endl;
130 Point const pt2 = coord_cache.getInsets().xy(this);
131 //lyxerr << "retrieving position cache for MathData "
132 // << pt.x_ << ' ' << pt.y_ << endl;
133 x = pt.x_ - pt2.x_ + ar.pos2x(sl.pos());
135 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
136 // << " asc: " << ascent() << " des: " << descent()
137 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
138 // move cursor visually into empty cells ("blue rectangles");
144 void InsetMathNest::metrics(MetricsInfo const & mi) const
147 for (idx_type i = 0, n = nargs(); i != n; ++i) {
149 cell(i).metrics(m, dim);
154 bool InsetMathNest::idxNext(Cursor & cur) const
156 BOOST_ASSERT(&cur.inset() == this);
157 if (cur.idx() == cur.lastidx())
165 bool InsetMathNest::idxForward(Cursor & cur) const
171 bool InsetMathNest::idxPrev(Cursor & cur) const
173 BOOST_ASSERT(&cur.inset() == this);
177 cur.pos() = cur.lastpos();
182 bool InsetMathNest::idxBackward(Cursor & cur) const
188 bool InsetMathNest::idxFirst(Cursor & cur) const
190 BOOST_ASSERT(&cur.inset() == this);
199 bool InsetMathNest::idxLast(Cursor & cur) const
201 BOOST_ASSERT(&cur.inset() == this);
204 cur.idx() = cur.lastidx();
205 cur.pos() = cur.lastpos();
210 void InsetMathNest::dump() const
212 odocstringstream oss;
214 os << "---------------------------------------------\n";
217 for (idx_type i = 0, n = nargs(); i != n; ++i)
218 os << cell(i) << "\n";
219 os << "---------------------------------------------\n";
220 lyxerr << to_utf8(oss.str());
224 void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
228 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
231 setPosCache(pi, x, y);
235 void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
237 BufferView & bv = *pi.base.bv;
238 // this should use the x/y values given, not the cached values
239 Cursor & cur = bv.cursor();
240 if (!cur.selection())
242 if (&cur.inset() != this)
245 // FIXME: hack to get position cache warm
246 bool const original_drawing_state = pi.pain.isDrawingEnabled();
247 pi.pain.setDrawingEnabled(false);
249 pi.pain.setDrawingEnabled(original_drawing_state);
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 Geometry const & g = bv.coordCache().getArrays().geometry(&c);
259 int x1 = g.pos.x_ + c.pos2x(s1.pos());
260 int y1 = g.pos.y_ - g.dim.ascent();
261 int x2 = g.pos.x_ + c.pos2x(s2.pos());
262 int y2 = g.pos.y_ + g.dim.descent();
263 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
264 //lyxerr << "InsetMathNest::drawing selection 3: "
265 // << " x1: " << x1 << " x2: " << x2
266 // << " y1: " << y1 << " y2: " << y2 << endl;
268 for (idx_type i = 0; i < nargs(); ++i) {
269 if (idxBetween(i, s1.idx(), s2.idx())) {
270 MathData const & c = cell(i);
271 Geometry const & g = bv.coordCache().getArrays().geometry(&c);
273 int y1 = g.pos.y_ - g.dim.ascent();
274 int x2 = g.pos.x_ + g.dim.width();
275 int y2 = g.pos.y_ + g.dim.descent();
276 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
283 void InsetMathNest::validate(LaTeXFeatures & features) const
285 for (idx_type i = 0; i < nargs(); ++i)
286 cell(i).validate(features);
290 void InsetMathNest::replace(ReplaceData & rep)
292 for (idx_type i = 0; i < nargs(); ++i)
293 cell(i).replace(rep);
297 bool InsetMathNest::contains(MathData const & ar) const
299 for (idx_type i = 0; i < nargs(); ++i)
300 if (cell(i).contains(ar))
306 bool InsetMathNest::lock() const
312 void InsetMathNest::lock(bool l)
318 bool InsetMathNest::isActive() const
324 MathData InsetMathNest::glue() const
327 for (size_t i = 0; i < nargs(); ++i)
333 void InsetMathNest::write(WriteStream & os) const
335 os << '\\' << name().c_str();
336 for (size_t i = 0; i < nargs(); ++i)
337 os << '{' << cell(i) << '}';
339 os.pendingSpace(true);
340 if (lock_ && !os.latex()) {
342 os.pendingSpace(true);
347 void InsetMathNest::normalize(NormalStream & os) const
349 os << '[' << name().c_str();
350 for (size_t i = 0; i < nargs(); ++i)
351 os << ' ' << cell(i);
356 int InsetMathNest::latex(Buffer const &, odocstream & os,
357 OutputParams const & runparams) const
359 WriteStream wi(os, runparams.moving_arg, true);
365 bool InsetMathNest::setMouseHover(bool mouse_hover)
367 mouse_hover_ = mouse_hover;
372 bool InsetMathNest::notifyCursorLeaves(Cursor & /*cur*/)
376 MathData & ar = cur.cell();
377 // remove base-only "scripts"
378 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
379 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
380 if (p && p->nargs() == 1) {
381 MathData ar = p->nuc();
384 cur.adjust(i, ar.size() - 1);
388 // glue adjacent font insets of the same kind
389 for (pos_type i = 0; i + 1 < size(); ++i) {
390 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
391 InsetMathFont const * q = operator[](i + 1)->asFontInset();
392 if (p && q && p->name() == q->name()) {
393 p->cell(0).append(q->cell(0));
403 void InsetMathNest::handleFont
404 (Cursor & cur, docstring const & arg, char const * const font)
406 handleFont(cur, arg, from_ascii(font));
410 void InsetMathNest::handleFont
411 (Cursor & cur, docstring const & arg, docstring const & font)
413 // this whole function is a hack and won't work for incremental font
416 if (cur.inset().asInsetMath()->name() == font) {
417 cur.recordUndoInset();
418 cur.handleFont(to_utf8(font));
421 cur.handleNest(createInsetMath(font));
427 void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
432 font.fromString(to_utf8(arg), b);
433 if (font.fontInfo().color() != Color_inherit) {
434 MathAtom at = MathAtom(new InsetMathColor(true, font.fontInfo().color()));
435 cur.handleNest(at, 0);
440 void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
442 //lyxerr << "InsetMathNest: request: " << cmd << endl;
443 //CursorSlice sl = cur.current();
445 switch (cmd.action) {
449 cur.message(_("Paste"));
450 replaceSelection(cur);
452 if (cmd.argument().empty() && !theClipboard().isInternal())
453 topaste = theClipboard().getAsText();
456 idocstringstream is(cmd.argument());
458 topaste = cap::getSelection(cur.buffer(), n);
460 cur.niceInsert(topaste);
461 cur.clearSelection(); // bug 393
468 cutSelection(cur, true, true);
469 cur.message(_("Cut"));
470 // Prevent stale position >= size crash
471 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
477 cur.message(_("Copy"));
480 case LFUN_MOUSE_PRESS:
481 lfunMousePress(cur, cmd);
484 case LFUN_MOUSE_MOTION:
485 lfunMouseMotion(cur, cmd);
488 case LFUN_MOUSE_RELEASE:
489 lfunMouseRelease(cur, cmd);
492 case LFUN_FINISHED_BACKWARD:
493 cur.bv().cursor() = cur;
496 case LFUN_FINISHED_FORWARD:
498 cur.bv().cursor() = cur;
501 case LFUN_CHAR_FORWARD:
502 cur.updateFlags(Update::Decoration | Update::FitCursor);
503 case LFUN_CHAR_FORWARD_SELECT:
504 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
505 cur.autocorrect() = false;
507 cur.macroModeClose();
508 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
509 cur.pushBackward(*cur.nextAtom().nucleus());
510 cur.inset().idxFirst(cur);
511 } else if (cur.posForward() || idxForward(cur)
512 || cur.popForward() || cur.selection())
515 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
520 case LFUN_CHAR_BACKWARD:
521 cur.updateFlags(Update::Decoration | Update::FitCursor);
522 case LFUN_CHAR_BACKWARD_SELECT:
523 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
524 cur.autocorrect() = false;
526 cur.macroModeClose();
527 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
529 cur.push(*cur.nextAtom().nucleus());
530 cur.inset().idxLast(cur);
531 } else if (cur.posBackward() || idxBackward(cur)
532 || cur.popBackward() || cur.selection())
535 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
540 case LFUN_CHAR_RIGHT:
541 case LFUN_CHAR_RIGHT_SELECT:
542 //FIXME: for visual cursor, really move right
543 if (reverseDirectionNeeded(cur))
544 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
545 LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
547 cmd.action = cmd.action == LFUN_CHAR_RIGHT_SELECT ?
548 LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
549 doDispatch(cur, cmd);
553 case LFUN_CHAR_LEFT_SELECT:
554 //FIXME: for visual cursor, really move left
555 if (reverseDirectionNeeded(cur))
556 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
557 LFUN_CHAR_FORWARD_SELECT : LFUN_CHAR_FORWARD;
559 cmd.action = cmd.action == LFUN_CHAR_LEFT_SELECT ?
560 LFUN_CHAR_BACKWARD_SELECT : LFUN_CHAR_BACKWARD;
561 doDispatch(cur, cmd);
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 // 'Locks' the math inset. A 'locked' math inset behaves as a unit
727 // that is traversed by a single <CursorLeft>/<CursorRight>.
728 case LFUN_INSET_TOGGLE:
734 case LFUN_SELF_INSERT:
735 if (cmd.argument().size() != 1) {
737 docstring const arg = cmd.argument();
738 if (!interpretString(cur, arg))
742 // Don't record undo steps if we are in macro mode and
743 // cmd.argument is the next character of the macro name.
744 // Otherwise we'll get an invalid cursor if we undo after
745 // the macro was finished and the macro is a known command,
746 // e.g. sqrt. Cursor::macroModeClose replaces in this case
747 // the InsetMathUnknown with name "frac" by an empty
748 // InsetMathFrac -> a pos value > 0 is invalid.
749 // A side effect is that an undo before the macro is finished
750 // undoes the complete macro, not only the last character.
751 if (!cur.inMacroMode())
754 // spacial handling of space. If we insert an inset
755 // via macro mode, we want to put the cursor inside it
756 // if relevant. Think typing "\frac<space>".
757 if (cmd.argument()[0] == ' '
758 && cur.inMacroMode() && cur.macroName() != "\\"
759 && cur.macroModeClose()) {
760 MathAtom const atom = cur.prevAtom();
761 if (atom->asNestInset() && atom->isActive()) {
763 cur.pushBackward(*cur.nextInset());
765 } else if (!interpretChar(cur, cmd.argument()[0])) {
766 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
771 //case LFUN_SERVER_GET_XY:
772 // sprintf(dispatch_buffer, "%d %d",);
775 case LFUN_SERVER_SET_XY: {
776 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
779 istringstream is(to_utf8(cmd.argument()));
781 cur.setScreenPos(x, y);
785 // Special casing for superscript in case of LyX handling
787 case LFUN_ACCENT_CIRCUMFLEX:
788 if (cmd.argument().empty()) {
789 // do superscript if LyX handles
792 script(cur, true, grabAndEraseSelection(cur));
796 case LFUN_ACCENT_UMLAUT:
797 case LFUN_ACCENT_ACUTE:
798 case LFUN_ACCENT_GRAVE:
799 case LFUN_ACCENT_BREVE:
800 case LFUN_ACCENT_DOT:
801 case LFUN_ACCENT_MACRON:
802 case LFUN_ACCENT_CARON:
803 case LFUN_ACCENT_TILDE:
804 case LFUN_ACCENT_CEDILLA:
805 case LFUN_ACCENT_CIRCLE:
806 case LFUN_ACCENT_UNDERDOT:
807 case LFUN_ACCENT_TIE:
808 case LFUN_ACCENT_OGONEK:
809 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
813 case LFUN_FONT_FREE_APPLY:
814 case LFUN_FONT_FREE_UPDATE:
815 handleFont2(cur, cmd.argument());
819 if (currentMode() == TEXT_MODE)
820 handleFont(cur, cmd.argument(), "textbf");
822 handleFont(cur, cmd.argument(), "mathbf");
825 if (currentMode() == TEXT_MODE)
826 handleFont(cur, cmd.argument(), "textsf");
828 handleFont(cur, cmd.argument(), "mathsf");
831 if (currentMode() == TEXT_MODE)
832 handleFont(cur, cmd.argument(), "emph");
834 handleFont(cur, cmd.argument(), "mathcal");
836 case LFUN_FONT_ROMAN:
837 if (currentMode() == TEXT_MODE)
838 handleFont(cur, cmd.argument(), "textrm");
840 handleFont(cur, cmd.argument(), "mathrm");
842 case LFUN_FONT_TYPEWRITER:
843 if (currentMode() == TEXT_MODE)
844 handleFont(cur, cmd.argument(), "texttt");
846 handleFont(cur, cmd.argument(), "mathtt");
849 handleFont(cur, cmd.argument(), "mathfrak");
852 if (currentMode() == TEXT_MODE)
853 handleFont(cur, cmd.argument(), "textit");
855 handleFont(cur, cmd.argument(), "mathit");
858 if (currentMode() == TEXT_MODE)
859 // FIXME: should be "noun"
860 handleFont(cur, cmd.argument(), "textsc");
862 handleFont(cur, cmd.argument(), "mathbb");
865 case LFUN_FONT_FREE_APPLY:
866 handleFont(cur, cmd.argument(), "textrm");
869 case LFUN_FONT_DEFAULT:
870 handleFont(cur, cmd.argument(), "textnormal");
873 case LFUN_MATH_MODE: {
875 // ignore math-mode on when already in math mode
876 if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
878 cur.macroModeClose();
879 docstring const save_selection = grabAndEraseSelection(cur);
881 //cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
882 cur.plainInsert(MathAtom(new InsetMathBox(from_ascii("mbox"))));
884 cur.pushBackward(*cur.nextInset());
885 cur.niceInsert(save_selection);
887 if (currentMode() == Inset::TEXT_MODE) {
888 cur.niceInsert(MathAtom(new InsetMathHull("simple")));
889 cur.message(_("create new math text environment ($...$)"));
891 handleFont(cur, cmd.argument(), "textrm");
892 cur.message(_("entered math text mode (textrm)"));
905 case LFUN_MATH_MATRIX: {
911 idocstringstream is(cmd.argument());
912 is >> m >> n >> v_align >> h_align;
919 MathAtom(new InsetMathArray(from_ascii("array"), m, n, (char)v_align[0], h_align)));
923 case LFUN_MATH_DELIM: {
925 docstring rs = support::split(cmd.argument(), ls, ' ');
926 // Reasonable default values
932 cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
936 case LFUN_MATH_BIGDELIM: {
937 docstring const lname = from_utf8(cmd.getArg(0));
938 docstring const ldelim = from_utf8(cmd.getArg(1));
939 docstring const rname = from_utf8(cmd.getArg(2));
940 docstring const rdelim = from_utf8(cmd.getArg(3));
941 latexkeys const * l = in_word_set(lname);
942 bool const have_l = l && l->inset == "big" &&
943 InsetMathBig::isBigInsetDelim(ldelim);
944 l = in_word_set(rname);
945 bool const have_r = l && l->inset == "big" &&
946 InsetMathBig::isBigInsetDelim(rdelim);
947 // We mimic LFUN_MATH_DELIM in case we have an empty left
948 // or right delimiter.
949 if (have_l || have_r) {
951 docstring const selection = grabAndEraseSelection(cur);
954 cur.insert(MathAtom(new InsetMathBig(lname,
956 cur.niceInsert(selection);
958 cur.insert(MathAtom(new InsetMathBig(rname,
961 // Don't call cur.undispatched() if we did nothing, this would
962 // lead to infinite recursion via Text::dispatch().
966 case LFUN_SPACE_INSERT:
967 case LFUN_MATH_SPACE:
969 cur.insert(MathAtom(new InsetMathSpace(from_ascii(","))));
972 case LFUN_ERT_INSERT:
973 // interpret this as if a backslash was typed
975 interpretChar(cur, '\\');
978 case LFUN_MATH_SUBSCRIPT:
979 // interpret this as if a _ was typed
981 interpretChar(cur, '_');
984 case LFUN_MATH_SUPERSCRIPT:
985 // interpret this as if a ^ was typed
987 interpretChar(cur, '^');
990 case LFUN_MATH_MACRO_FOLD:
991 case LFUN_MATH_MACRO_UNFOLD: {
993 bool fold = cmd.action == LFUN_MATH_MACRO_FOLD;
994 bool found = findMacroToFoldUnfold(it, fold);
998 it.nextInset()->asInsetMath()->asMacro()->fold(cur);
1000 it.nextInset()->asInsetMath()->asMacro()->unfold(cur);
1005 case LFUN_QUOTE_INSERT:
1006 // interpret this as if a straight " was typed
1008 interpretChar(cur, '\"');
1011 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
1012 // handling such that "self-insert" works on "arbitrary stuff" too, and
1013 // math-insert only handles special math things like "matrix".
1014 case LFUN_MATH_INSERT: {
1016 if (cmd.argument() == "^" || cmd.argument() == "_") {
1017 interpretChar(cur, cmd.argument()[0]);
1019 cur.niceInsert(cmd.argument());
1023 case LFUN_DIALOG_SHOW_NEW_INSET: {
1024 docstring const & name = cmd.argument();
1026 if (name == "ref") {
1027 InsetMathRef tmp(name);
1028 data = tmp.createDialogStr(to_utf8(name));
1030 cur.bv().showDialog(to_utf8(name), data);
1034 case LFUN_INSET_INSERT: {
1036 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
1043 case LFUN_INSET_DISSOLVE:
1044 if (!asHullInset()) {
1045 cur.recordUndoInset();
1051 InsetMath::doDispatch(cur, cmd);
1057 bool InsetMathNest::findMacroToFoldUnfold(Cursor & it, bool fold) const {
1058 // look for macro to open/close, but stay in mathed
1059 for (; !it.empty(); it.pop_back()) {
1061 // go backward through the current cell
1062 Inset * inset = it.nextInset();
1063 while (inset && inset->asInsetMath()) {
1064 MathMacro * macro = inset->asInsetMath()->asMacro();
1066 // found the an macro to open/close?
1067 if (macro->folded() != fold)
1070 // Wrong folding state.
1071 // If this was the first we see in this slice, look further left,
1073 if (inset != it.nextInset())
1077 // go up if this was the left most position
1083 inset = it.nextInset();
1091 bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
1092 FuncStatus & flag) const
1094 // the font related toggles
1095 //string tc = "mathnormal";
1097 string const arg = to_utf8(cmd.argument());
1098 switch (cmd.action) {
1099 case LFUN_TABULAR_FEATURE:
1100 flag.enabled(false);
1103 case LFUN_TABULAR_FEATURE:
1104 // FIXME: check temporarily disabled
1106 char align = mathcursor::valign();
1107 if (align == '\0') {
1111 if (cmd.argument().empty()) {
1115 if (!contains("tcb", cmd.argument()[0])) {
1119 flag.setOnOff(cmd.argument()[0] == align);
1122 /// We have to handle them since 1.4 blocks all unhandled actions
1123 case LFUN_FONT_ITAL:
1124 case LFUN_FONT_BOLD:
1125 case LFUN_FONT_SANS:
1126 case LFUN_FONT_EMPH:
1127 case LFUN_FONT_TYPEWRITER:
1128 case LFUN_FONT_NOUN:
1129 case LFUN_FONT_ROMAN:
1130 case LFUN_FONT_DEFAULT:
1133 case LFUN_MATH_MUTATE:
1134 //flag.setOnOff(mathcursor::formula()->hullType() == to_utf8(cmd.argument()));
1135 flag.setOnOff(false);
1138 // we just need to be in math mode to enable that
1139 case LFUN_MATH_SIZE:
1140 case LFUN_MATH_SPACE:
1141 case LFUN_MATH_LIMITS:
1142 case LFUN_MATH_NONUMBER:
1143 case LFUN_MATH_NUMBER:
1144 case LFUN_MATH_EXTERN:
1148 case LFUN_FONT_FRAK:
1149 flag.enabled(currentMode() != TEXT_MODE);
1152 case LFUN_MATH_INSERT: {
1153 bool const textarg =
1154 arg == "\\textbf" || arg == "\\textsf" ||
1155 arg == "\\textrm" || arg == "\\textmd" ||
1156 arg == "\\textit" || arg == "\\textsc" ||
1157 arg == "\\textsl" || arg == "\\textup" ||
1158 arg == "\\texttt" || arg == "\\textbb" ||
1159 arg == "\\textnormal";
1160 flag.enabled(currentMode() != TEXT_MODE || textarg);
1164 case LFUN_MATH_MATRIX:
1165 flag.enabled(currentMode() == MATH_MODE);
1168 case LFUN_INSET_INSERT: {
1169 // Don't test createMathInset_fromDialogStr(), since
1170 // getStatus is not called with a valid reference and the
1171 // dialog would not be applyable.
1172 string const name = cmd.getArg(0);
1173 flag.enabled(name == "ref");
1177 case LFUN_MATH_DELIM:
1178 case LFUN_MATH_BIGDELIM:
1179 // Don't do this with multi-cell selections
1180 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1183 case LFUN_MATH_MACRO_FOLD:
1184 case LFUN_MATH_MACRO_UNFOLD: {
1186 bool found = findMacroToFoldUnfold(it, cmd.action == LFUN_MATH_MACRO_FOLD);
1187 flag.enabled(found);
1191 case LFUN_SPECIALCHAR_INSERT:
1192 // FIXME: These would probably make sense in math-text mode
1193 flag.enabled(false);
1196 case LFUN_INSET_DISSOLVE:
1197 flag.enabled(!asHullInset());
1208 void InsetMathNest::edit(Cursor & cur, bool left)
1211 cur.idx() = left ? 0 : cur.lastidx();
1212 cur.pos() = left ? 0 : cur.lastpos();
1214 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1218 Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
1221 int dist_min = 1000000;
1222 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1223 int const d = cell(i).dist(cur.bv(), x, y);
1229 MathData & ar = cell(idx_min);
1231 cur.idx() = idx_min;
1232 cur.pos() = ar.x2pos(x - ar.xo(cur.bv()));
1234 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1235 if (dist_min == 0) {
1237 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1238 if (ar[i]->covers(cur.bv(), x, y))
1239 return ar[i].nucleus()->editXY(cur, x, y);
1245 void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
1247 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1248 BufferView & bv = cur.bv();
1249 bool do_selection = cmd.button() == mouse_button::button1
1250 && cmd.argument() == "region-select";
1251 bv.mouseSetCursor(cur, do_selection);
1252 if (cmd.button() == mouse_button::button1) {
1253 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1254 // Update the cursor update flags as needed:
1256 // Update::Decoration: tells to update the decoration
1257 // (visual box corners that define
1259 // Update::FitCursor: adjust the screen to the cursor
1260 // position if needed
1261 // cur.result().update(): don't overwrite previously set flags.
1262 cur.updateFlags(Update::Decoration | Update::FitCursor
1263 | cur.result().update());
1264 } else if (cmd.button() == mouse_button::button2) {
1265 if (cap::selection()) {
1266 // See comment in Text::dispatch why we do this
1267 cap::copySelectionToStack();
1268 cmd = FuncRequest(LFUN_PASTE, "0");
1269 doDispatch(bv.cursor(), cmd);
1272 asArray(theSelection().get(), ar);
1273 bv.cursor().insert(ar);
1279 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
1281 // only select with button 1
1282 if (cmd.button() == mouse_button::button1) {
1283 Cursor & bvcur = cur.bv().cursor();
1284 if (bvcur.anchor_.hasPart(cur)) {
1285 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1286 bvcur.setCursor(cur);
1287 bvcur.selection() = true;
1288 //lyxerr << "MOTION " << bvcur << endl;
1295 void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
1297 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1299 if (cmd.button() == mouse_button::button1) {
1300 if (!cur.selection())
1303 Cursor & bvcur = cur.bv().cursor();
1304 bvcur.selection() = true;
1313 bool InsetMathNest::interpretChar(Cursor & cur, char_type c)
1315 //lyxerr << "interpret 2: '" << c << "'" << endl;
1316 docstring save_selection;
1317 if (c == '^' || c == '_')
1318 save_selection = grabAndEraseSelection(cur);
1323 if (cur.inMacroMode()) {
1324 docstring name = cur.macroName();
1326 /// are we currently typing '#1' or '#2' or...?
1327 if (name == "\\#") {
1330 if (n >= 1 && n <= 9)
1331 cur.insert(new MathMacroArgument(n));
1335 if (isAlphaASCII(c)) {
1336 cur.activeMacro()->setName(name + docstring(1, c));
1340 // handle 'special char' macros
1345 if (currentMode() == InsetMath::TEXT_MODE)
1346 cur.niceInsert(createInsetMath("textbackslash"));
1348 cur.niceInsert(createInsetMath("backslash"));
1349 } else if (c == '{') {
1351 cur.niceInsert(MathAtom(new InsetMathBrace));
1352 } else if (c == '%') {
1354 cur.niceInsert(MathAtom(new InsetMathComment));
1355 } else if (c == '#') {
1356 BOOST_ASSERT(cur.activeMacro());
1357 cur.activeMacro()->setName(name + docstring(1, c));
1360 cur.niceInsert(createInsetMath(docstring(1, c)));
1365 // One character big delimiters. The others are handled in
1366 // interpretString().
1367 latexkeys const * l = in_word_set(name.substr(1));
1368 if (name[0] == '\\' && l && l->inset == "big") {
1372 delim = from_ascii("\\{");
1375 delim = from_ascii("\\}");
1378 delim = docstring(1, c);
1381 if (InsetMathBig::isBigInsetDelim(delim)) {
1382 // name + delim ared a valid InsetMathBig.
1383 // We can't use cur.macroModeClose() because
1384 // it does not handle delim.
1385 InsetMathUnknown * p = cur.activeMacro();
1388 cur.cell().erase(cur.pos());
1389 cur.plainInsert(MathAtom(
1390 new InsetMathBig(name.substr(1), delim)));
1395 // leave macro mode and try again if necessary
1396 cur.macroModeClose();
1398 cur.niceInsert(MathAtom(new InsetMathBrace));
1400 interpretChar(cur, c);
1404 // This is annoying as one has to press <space> far too often.
1408 // leave autocorrect mode if necessary
1409 if (autocorrect() && c == ' ') {
1410 autocorrect() = false;
1415 // just clear selection on pressing the space bar
1416 if (cur.selection() && c == ' ') {
1417 cur.selection() = false;
1424 //lyxerr << "starting with macro" << endl;
1425 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), false)));
1430 if (currentMode() == InsetMath::TEXT_MODE)
1436 if (currentMode() == InsetMath::TEXT_MODE) {
1437 // insert spaces in text mode,
1438 // but suppress direct insertion of two spaces in a row
1439 // the still allows typing '<space>a<space>' and deleting the 'a', but
1440 // it is better than nothing...
1441 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ') {
1443 // FIXME: we have to enable full redraw here because of the
1444 // visual box corners that define the inset. If we know for
1445 // sure that we stay within the same cell we can optimize for
1447 //cur.updateFlags(Update::SinglePar | Update::FitCursor);
1451 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1452 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1453 // FIXME: we have to enable full redraw here because of the
1454 // visual box corners that define the inset. If we know for
1455 // sure that we stay within the same cell we can optimize for
1457 //cur.updateFlags(Update::SinglePar | Update::FitCursor);
1461 if (cur.popForward()) {
1462 // FIXME: we have to enable full redraw here because of the
1463 // visual box corners that define the inset. If we know for
1464 // sure that we stay within the same cell we can optimize for
1466 //cur.updateFlags(Update::FitCursor);
1470 // if we are at the very end, leave the formula
1471 return cur.pos() != cur.lastpos();
1474 // These shouldn't work in text mode:
1475 if (currentMode() != InsetMath::TEXT_MODE) {
1477 script(cur, false, save_selection);
1481 script(cur, true, save_selection);
1485 cur.niceInsert(createInsetMath("sim"));
1490 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1491 c == '%' || c == '_' || c == '^') {
1492 cur.niceInsert(createInsetMath(docstring(1, c)));
1497 // try auto-correction
1498 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1501 // no special circumstances, so insert the character without any fuss
1503 cur.autocorrect() = true;
1508 bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
1510 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1512 if (!cur.empty() && cur.pos() > 0 &&
1513 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1514 if (InsetMathBig::isBigInsetDelim(str)) {
1515 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1516 if (prev[0] == '\\') {
1517 prev = prev.substr(1);
1518 latexkeys const * l = in_word_set(prev);
1519 if (l && l->inset == "big") {
1520 cur.cell()[cur.pos() - 1] =
1521 MathAtom(new InsetMathBig(prev, str));
1531 bool InsetMathNest::script(Cursor & cur, bool up,
1532 docstring const & save_selection)
1534 // Hack to get \^ and \_ working
1535 //lyxerr << "handling script: up: " << up << endl;
1536 if (cur.inMacroMode() && cur.macroName() == "\\") {
1538 cur.niceInsert(createInsetMath("mathcircumflex"));
1540 interpretChar(cur, '_');
1544 cur.macroModeClose();
1545 if (asScriptInset() && cur.idx() == 0) {
1546 // we are in a nucleus of a script inset, move to _our_ script
1547 InsetMathScript * inset = asScriptInset();
1548 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1550 cur.idx() = inset->idxOfScript(up);
1552 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1554 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1557 cur.idx() = inset->idxOfScript(up);
1558 cur.pos() = cur.lastpos();
1560 // convert the thing to our left to a scriptinset or create a new
1561 // one if in the very first position of the array
1562 if (cur.pos() == 0) {
1563 //lyxerr << "new scriptinset" << endl;
1564 cur.insert(new InsetMathScript(up));
1566 //lyxerr << "converting prev atom " << endl;
1567 cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
1570 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1571 // See comment in MathParser.cpp for special handling of {}-bases
1577 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1578 cur.niceInsert(save_selection);
1580 //lyxerr << "inserting selection 2:\n" << save_selection << endl;