2 * \file InsetMathNest.C
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"
22 #include "InsetMathDelim.h"
23 #include "MathFactory.h"
24 #include "InsetMathHull.h"
25 #include "MathStream.h"
26 #include "MathMacroArgument.h"
27 //#include "InsetMathMBox.h"
28 #include "MathParser.h"
29 #include "InsetMathScript.h"
30 #include "InsetMathSpace.h"
31 #include "InsetMathSymbol.h"
32 #include "MathSupport.h"
33 #include "InsetMathUnknown.h"
34 #include "InsetMathRef.h"
36 #include "BufferView.h"
37 #include "CutAndPaste.h"
38 #include "FuncStatus.h"
40 #include "bufferview_funcs.h"
41 #include "coordcache.h"
44 #include "dispatchresult.h"
45 #include "funcrequest.h"
48 #include "outputparams.h"
51 #include "support/lstrings.h"
53 #include "frontends/Painter.h"
54 #include "frontends/Selection.h"
56 #include "funcrequest.h"
57 #include "lyxserver.h"
58 #include "lyxsocket.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)
81 InsetMath::idx_type InsetMathNest::nargs() const
87 MathArray & InsetMathNest::cell(idx_type i)
93 MathArray const & InsetMathNest::cell(idx_type i) const
99 void InsetMathNest::cursorPos(BufferView const & bv,
100 CursorSlice const & sl, bool /*boundary*/,
101 int & x, int & y) const
103 // FIXME: This is a hack. Ideally, the coord cache should not store
104 // absolute positions, but relative ones. This would mean to call
105 // setXY() not in MathArray::draw(), but in the parent insets' draw()
106 // with the correctly adjusted x,y values. But this means that we'd have
107 // to touch all (math)inset's draw() methods. Right now, we'll store
108 // absolute value, and make them here relative, only to make them
109 // absolute again when actually drawing the cursor. What a mess.
110 BOOST_ASSERT(ptr_cmp(&sl.inset(), this));
111 MathArray const & ar = sl.cell();
112 CoordCache const & coord_cache = bv.coordCache();
113 if (!coord_cache.getArrays().has(&ar)) {
114 // this can (semi-)legally happen if we just created this cell
115 // and it never has been drawn before. So don't ASSERT.
116 //lyxerr << "no cached data for array " << &ar << endl;
121 Point const pt = coord_cache.getArrays().xy(&ar);
122 if (!coord_cache.getInsets().has(this)) {
124 //lyxerr << "no cached data for inset " << this << endl;
129 Point const pt2 = coord_cache.getInsets().xy(this);
130 //lyxerr << "retrieving position cache for MathArray "
131 // << pt.x_ << ' ' << pt.y_ << std::endl;
132 x = pt.x_ - pt2.x_ + ar.pos2x(sl.pos());
134 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
135 // << " asc: " << ascent() << " des: " << descent()
136 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
137 // move cursor visually into empty cells ("blue rectangles");
143 void InsetMathNest::metrics(MetricsInfo const & mi) const
146 for (idx_type i = 0, n = nargs(); i != n; ++i)
151 bool InsetMathNest::idxNext(LCursor & cur) const
153 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
154 if (cur.idx() == cur.lastidx())
162 bool InsetMathNest::idxRight(LCursor & cur) const
168 bool InsetMathNest::idxPrev(LCursor & cur) const
170 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
174 cur.pos() = cur.lastpos();
179 bool InsetMathNest::idxLeft(LCursor & cur) const
185 bool InsetMathNest::idxFirst(LCursor & cur) const
187 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
196 bool InsetMathNest::idxLast(LCursor & cur) const
198 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
201 cur.idx() = cur.lastidx();
202 cur.pos() = cur.lastpos();
207 void InsetMathNest::dump() const
209 odocstringstream oss;
211 os << "---------------------------------------------\n";
214 for (idx_type i = 0, n = nargs(); i != n; ++i)
215 os << cell(i) << "\n";
216 os << "---------------------------------------------\n";
217 lyxerr << to_utf8(oss.str());
221 void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
225 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
228 setPosCache(pi, x, y);
232 void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
234 BufferView & bv = *pi.base.bv;
235 // this should use the x/y values given, not the cached values
236 LCursor & cur = bv.cursor();
237 if (!cur.selection())
239 if (!ptr_cmp(&cur.inset(), this))
242 // FIXME: hack to get position cache warm
243 pi.pain.setDrawingEnabled(false);
245 pi.pain.setDrawingEnabled(true);
247 CursorSlice s1 = cur.selBegin();
248 CursorSlice s2 = cur.selEnd();
250 //lyxerr << "InsetMathNest::drawing selection: "
251 // << " s1: " << s1 << " s2: " << s2 << endl;
252 if (s1.idx() == s2.idx()) {
253 MathArray const & c = cell(s1.idx());
254 int x1 = c.xo(bv) + c.pos2x(s1.pos());
255 int y1 = c.yo(bv) - c.ascent();
256 int x2 = c.xo(bv) + c.pos2x(s2.pos());
257 int y2 = c.yo(bv) + c.descent();
258 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
259 //lyxerr << "InsetMathNest::drawing selection 3: "
260 // << " x1: " << x1 << " x2: " << x2
261 // << " y1: " << y1 << " y2: " << y2 << endl;
263 for (idx_type i = 0; i < nargs(); ++i) {
264 if (idxBetween(i, s1.idx(), s2.idx())) {
265 MathArray const & c = cell(i);
267 int y1 = c.yo(bv) - c.ascent();
268 int x2 = c.xo(bv) + c.width();
269 int y2 = c.yo(bv) + c.descent();
270 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
277 void InsetMathNest::validate(LaTeXFeatures & features) const
279 for (idx_type i = 0; i < nargs(); ++i)
280 cell(i).validate(features);
284 void InsetMathNest::replace(ReplaceData & rep)
286 for (idx_type i = 0; i < nargs(); ++i)
287 cell(i).replace(rep);
291 bool InsetMathNest::contains(MathArray const & ar) const
293 for (idx_type i = 0; i < nargs(); ++i)
294 if (cell(i).contains(ar))
300 bool InsetMathNest::lock() const
306 void InsetMathNest::lock(bool l)
312 bool InsetMathNest::isActive() const
318 MathArray InsetMathNest::glue() const
321 for (size_t i = 0; i < nargs(); ++i)
327 void InsetMathNest::write(WriteStream & os) const
329 os << '\\' << name().c_str();
330 for (size_t i = 0; i < nargs(); ++i)
331 os << '{' << cell(i) << '}';
333 os.pendingSpace(true);
334 if (lock_ && !os.latex()) {
336 os.pendingSpace(true);
341 void InsetMathNest::normalize(NormalStream & os) const
343 os << '[' << name().c_str();
344 for (size_t i = 0; i < nargs(); ++i)
345 os << ' ' << cell(i);
350 int InsetMathNest::latex(Buffer const &, odocstream & os,
351 OutputParams const & runparams) const
353 WriteStream wi(os, runparams.moving_arg, true);
359 bool InsetMathNest::notifyCursorLeaves(LCursor & /*cur*/)
365 MathArray & ar = cur.cell();
366 // remove base-only "scripts"
367 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
368 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
369 if (p && p->nargs() == 1) {
370 MathArray ar = p->nuc();
373 cur.adjust(i, ar.size() - 1);
377 // glue adjacent font insets of the same kind
378 for (pos_type i = 0; i + 1 < size(); ++i) {
379 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
380 InsetMathFont const * q = operator[](i + 1)->asFontInset();
381 if (p && q && p->name() == q->name()) {
382 p->cell(0).append(q->cell(0));
392 void InsetMathNest::handleFont
393 (LCursor & cur, docstring const & arg, char const * const font)
395 handleFont(cur, arg, from_ascii(font));
399 void InsetMathNest::handleFont
400 (LCursor & cur, docstring const & arg, docstring const & font)
402 // this whole function is a hack and won't work for incremental font
404 recordUndo(cur, Undo::ATOMIC);
406 if (cur.inset().asInsetMath()->name() == font)
407 cur.handleFont(to_utf8(font));
409 cur.handleNest(createInsetMath(font));
415 void InsetMathNest::handleFont2(LCursor & cur, docstring const & arg)
417 recordUndo(cur, Undo::ATOMIC);
420 bv_funcs::string2font(to_utf8(arg), font, b);
421 if (font.color() != LColor::inherit) {
422 MathAtom at = MathAtom(new InsetMathColor(true, font.color()));
423 cur.handleNest(at, 0);
428 void InsetMathNest::doDispatch(LCursor & cur, FuncRequest & cmd)
430 //lyxerr << "InsetMathNest: request: " << cmd << std::endl;
431 //CursorSlice sl = cur.current();
433 switch (cmd.action) {
437 cur.message(_("Paste"));
438 replaceSelection(cur);
440 istringstream is(to_utf8(cmd.argument()));
442 docstring const selection = cap::getSelection(cur.buffer(), n);
443 cur.niceInsert(selection);
444 cur.clearSelection(); // bug 393
445 cur.bv().switchKeyMap();
452 cutSelection(cur, true, true);
453 cur.message(_("Cut"));
454 // Prevent stale position >= size crash
455 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
462 cur.message(_("Copy"));
465 case LFUN_MOUSE_PRESS:
466 lfunMousePress(cur, cmd);
469 case LFUN_MOUSE_MOTION:
470 lfunMouseMotion(cur, cmd);
473 case LFUN_MOUSE_RELEASE:
474 lfunMouseRelease(cur, cmd);
477 case LFUN_FINISHED_LEFT:
478 cur.bv().cursor() = cur;
481 case LFUN_FINISHED_RIGHT:
483 cur.bv().cursor() = cur;
486 case LFUN_FINISHED_UP:
487 cur.bv().cursor() = cur;
490 case LFUN_FINISHED_DOWN:
492 cur.bv().cursor() = cur;
495 case LFUN_CHAR_FORWARD_SELECT:
496 case LFUN_CHAR_FORWARD:
497 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
498 cur.autocorrect() = false;
500 cur.macroModeClose();
501 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
502 cur.pushLeft(*cur.nextAtom().nucleus());
503 cur.inset().idxFirst(cur);
504 } else if (cur.posRight() || idxRight(cur)
505 || cur.popRight() || cur.selection())
508 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
513 case LFUN_CHAR_BACKWARD_SELECT:
514 case LFUN_CHAR_BACKWARD:
515 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
516 cur.autocorrect() = false;
518 cur.macroModeClose();
519 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
521 cur.push(*cur.nextAtom().nucleus());
522 cur.inset().idxLast(cur);
523 } else if (cur.posLeft() || idxLeft(cur)
524 || cur.popLeft() || cur.selection())
527 cmd = FuncRequest(LFUN_FINISHED_LEFT);
534 // FIXME Tried to use clearTargetX and macroModeClose, crashed on cur.up()
535 if (cur.inMacroMode()) {
537 cur.macroModeClose();
540 cur.selHandle(cmd.action == LFUN_UP_SELECT);
542 cmd = FuncRequest(LFUN_FINISHED_UP);
545 // fixes bug 1598. Please check!
549 case LFUN_DOWN_SELECT:
551 if (cur.inMacroMode()) {
552 cur.macroModeClose();
555 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
557 cmd = FuncRequest(LFUN_FINISHED_DOWN);
560 // fixes bug 1598. Please check!
564 case LFUN_MOUSE_DOUBLE:
565 case LFUN_MOUSE_TRIPLE:
566 case LFUN_WORD_SELECT:
570 cur.selection() = true;
571 cur.pos() = cur.lastpos();
572 cur.idx() = cur.lastidx();
575 case LFUN_PARAGRAPH_UP_SELECT:
576 case LFUN_PARAGRAPH_UP:
577 case LFUN_PARAGRAPH_DOWN_SELECT:
578 case LFUN_PARAGRAPH_DOWN:
581 case LFUN_LINE_BEGIN_SELECT:
582 case LFUN_LINE_BEGIN:
583 case LFUN_WORD_BACKWARD_SELECT:
584 case LFUN_WORD_BACKWARD:
585 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
586 cmd.action == LFUN_LINE_BEGIN_SELECT);
587 cur.macroModeClose();
588 if (cur.pos() != 0) {
590 } else if (cur.col() != 0) {
591 cur.idx() -= cur.col();
593 } else if (cur.idx() != 0) {
597 cmd = FuncRequest(LFUN_FINISHED_LEFT);
602 case LFUN_WORD_FORWARD_SELECT:
603 case LFUN_WORD_FORWARD:
604 case LFUN_LINE_END_SELECT:
606 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
607 cmd.action == LFUN_LINE_END_SELECT);
608 cur.macroModeClose();
610 if (cur.pos() != cur.lastpos()) {
611 cur.pos() = cur.lastpos();
612 } else if (ncols() && (cur.col() != cur.lastcol())) {
613 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
614 cur.pos() = cur.lastpos();
615 } else if (cur.idx() != cur.lastidx()) {
616 cur.idx() = cur.lastidx();
617 cur.pos() = cur.lastpos();
619 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
624 case LFUN_SCREEN_UP_SELECT:
626 cmd = FuncRequest(LFUN_FINISHED_LEFT);
630 case LFUN_SCREEN_DOWN_SELECT:
631 case LFUN_SCREEN_DOWN:
632 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
636 case LFUN_CELL_FORWARD:
637 cur.inset().idxNext(cur);
640 case LFUN_CELL_BACKWARD:
641 cur.inset().idxPrev(cur);
644 case LFUN_WORD_DELETE_BACKWARD:
645 case LFUN_CHAR_DELETE_BACKWARD:
647 // May affect external cell:
648 recordUndoInset(cur, Undo::ATOMIC);
650 recordUndo(cur, Undo::ATOMIC);
651 // if the inset can not be removed from within, delete it
652 if (!cur.backspace()) {
653 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
654 cur.bv().getLyXText()->dispatch(cur, cmd);
658 case LFUN_WORD_DELETE_FORWARD:
659 case LFUN_CHAR_DELETE_FORWARD:
660 if (cur.pos() == cur.lastpos())
661 // May affect external cell:
662 recordUndoInset(cur, Undo::ATOMIC);
664 recordUndo(cur, Undo::ATOMIC);
665 // if the inset can not be removed from within, delete it
667 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
668 cur.bv().getLyXText()->dispatch(cur, cmd);
674 cur.clearSelection();
676 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
681 case LFUN_INSET_TOGGLE:
687 case LFUN_SELF_INSERT:
688 if (cmd.argument().size() != 1) {
690 docstring const arg = cmd.argument();
691 if (!interpretString(cur, arg))
695 // Don't record undo steps if we are in macro mode and
696 // cmd.argument is the next character of the macro name.
697 // Otherwise we'll get an invalid cursor if we undo after
698 // the macro was finished and the macro is a known command,
699 // e.g. sqrt. LCursor::macroModeClose replaces in this case
700 // the InsetMathUnknown with name "frac" by an empty
701 // InsetMathFrac -> a pos value > 0 is invalid.
702 // A side effect is that an undo before the macro is finished
703 // undoes the complete macro, not only the last character.
704 if (!cur.inMacroMode())
707 // spacial handling of space. If we insert an inset
708 // via macro mode, we want to put the cursor inside it
709 // if relevant. Think typing "\frac<space>".
710 if (cmd.argument()[0] == ' '
711 && cur.inMacroMode() && cur.macroName() != "\\"
712 && cur.macroModeClose()) {
713 MathAtom const atom = cur.prevAtom();
714 if (atom->asNestInset() && atom->nargs() > 0) {
716 cur.pushLeft(*cur.nextInset());
718 } else if (!interpretChar(cur, cmd.argument()[0])) {
719 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
724 //case LFUN_SERVER_GET_XY:
725 // sprintf(dispatch_buffer, "%d %d",);
728 case LFUN_SERVER_SET_XY: {
729 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
732 istringstream is(to_utf8(cmd.argument()));
734 cur.setScreenPos(x, y);
738 // Special casing for superscript in case of LyX handling
740 case LFUN_ACCENT_CIRCUMFLEX:
741 if (cmd.argument().empty()) {
742 // do superscript if LyX handles
744 recordUndo(cur, Undo::ATOMIC);
745 script(cur, true, grabAndEraseSelection(cur));
749 case LFUN_ACCENT_UMLAUT:
750 case LFUN_ACCENT_ACUTE:
751 case LFUN_ACCENT_GRAVE:
752 case LFUN_ACCENT_BREVE:
753 case LFUN_ACCENT_DOT:
754 case LFUN_ACCENT_MACRON:
755 case LFUN_ACCENT_CARON:
756 case LFUN_ACCENT_TILDE:
757 case LFUN_ACCENT_CEDILLA:
758 case LFUN_ACCENT_CIRCLE:
759 case LFUN_ACCENT_UNDERDOT:
760 case LFUN_ACCENT_TIE:
761 case LFUN_ACCENT_OGONEK:
762 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
766 case LFUN_FONT_FREE_APPLY:
767 case LFUN_FONT_FREE_UPDATE:
768 handleFont2(cur, cmd.argument());
772 if (currentMode() == TEXT_MODE)
773 handleFont(cur, cmd.argument(), "textbf");
775 handleFont(cur, cmd.argument(), "mathbf");
778 if (currentMode() == TEXT_MODE)
779 handleFont(cur, cmd.argument(), "textsf");
781 handleFont(cur, cmd.argument(), "mathsf");
784 if (currentMode() == TEXT_MODE)
785 handleFont(cur, cmd.argument(), "emph");
787 handleFont(cur, cmd.argument(), "mathcal");
789 case LFUN_FONT_ROMAN:
790 if (currentMode() == TEXT_MODE)
791 handleFont(cur, cmd.argument(), "textrm");
793 handleFont(cur, cmd.argument(), "mathrm");
796 if (currentMode() == TEXT_MODE)
797 handleFont(cur, cmd.argument(), "texttt");
799 handleFont(cur, cmd.argument(), "mathtt");
802 handleFont(cur, cmd.argument(), "mathfrak");
805 if (currentMode() == TEXT_MODE)
806 handleFont(cur, cmd.argument(), "textit");
808 handleFont(cur, cmd.argument(), "mathit");
811 if (currentMode() == TEXT_MODE)
812 // FIXME: should be "noun"
813 handleFont(cur, cmd.argument(), "textsc");
815 handleFont(cur, cmd.argument(), "mathbb");
817 //case LFUN_FONT_FREE_APPLY:
818 handleFont(cur, cmd.argument(), "textrm");
820 case LFUN_FONT_DEFAULT:
821 handleFont(cur, cmd.argument(), "textnormal");
824 case LFUN_MATH_MODE: {
826 // ignore math-mode on when already in math mode
827 if (currentMode() == InsetBase::MATH_MODE && cmd.argument() == "on")
829 cur.macroModeClose();
830 docstring const save_selection = grabAndEraseSelection(cur);
832 //cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
833 cur.plainInsert(MathAtom(new InsetMathBox(from_ascii("mbox"))));
835 cur.pushLeft(*cur.nextInset());
836 cur.niceInsert(save_selection);
838 if (currentMode() == InsetBase::TEXT_MODE) {
839 cur.niceInsert(MathAtom(new InsetMathHull("simple")));
840 cur.message(_("create new math text environment ($...$)"));
842 handleFont(cur, cmd.argument(), "textrm");
843 cur.message(_("entered math text mode (textrm)"));
856 case LFUN_MATH_MATRIX: {
857 recordUndo(cur, Undo::ATOMIC);
862 idocstringstream is(cmd.argument());
863 is >> m >> n >> v_align >> h_align;
870 MathAtom(new InsetMathArray(from_ascii("array"), m, n, (char)v_align[0], h_align)));
874 case LFUN_MATH_DELIM: {
876 docstring rs = support::split(cmd.argument(), ls, ' ');
877 // Reasonable default values
882 recordUndo(cur, Undo::ATOMIC);
883 cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
887 case LFUN_MATH_BIGDELIM: {
888 docstring const lname = from_utf8(cmd.getArg(0));
889 docstring const ldelim = from_utf8(cmd.getArg(1));
890 docstring const rname = from_utf8(cmd.getArg(2));
891 docstring const rdelim = from_utf8(cmd.getArg(3));
892 latexkeys const * l = in_word_set(lname);
893 bool const have_l = l && l->inset == "big" &&
894 InsetMathBig::isBigInsetDelim(ldelim);
895 l = in_word_set(rname);
896 bool const have_r = l && l->inset == "big" &&
897 InsetMathBig::isBigInsetDelim(rdelim);
898 // We mimic LFUN_MATH_DELIM in case we have an empty left
899 // or right delimiter.
900 if (have_l || have_r) {
901 recordUndo(cur, Undo::ATOMIC);
902 docstring const selection = grabAndEraseSelection(cur);
905 cur.insert(MathAtom(new InsetMathBig(lname,
907 cur.niceInsert(selection);
909 cur.insert(MathAtom(new InsetMathBig(rname,
912 // Don't call cur.undispatched() if we did nothing, this would
913 // lead to infinite recursion via LyXText::dispatch().
917 case LFUN_SPACE_INSERT:
918 case LFUN_MATH_SPACE:
919 recordUndo(cur, Undo::ATOMIC);
920 cur.insert(MathAtom(new InsetMathSpace(from_ascii(","))));
923 case LFUN_ERT_INSERT:
924 // interpret this as if a backslash was typed
925 recordUndo(cur, Undo::ATOMIC);
926 interpretChar(cur, '\\');
929 case LFUN_MATH_SUBSCRIPT:
930 // interpret this as if a _ was typed
931 recordUndo(cur, Undo::ATOMIC);
932 interpretChar(cur, '_');
935 case LFUN_MATH_SUPERSCRIPT:
936 // interpret this as if a ^ was typed
937 recordUndo(cur, Undo::ATOMIC);
938 interpretChar(cur, '^');
941 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
942 // handling such that "self-insert" works on "arbitrary stuff" too, and
943 // math-insert only handles special math things like "matrix".
944 case LFUN_MATH_INSERT: {
945 recordUndo(cur, Undo::ATOMIC);
946 if (cmd.argument() == "^" || cmd.argument() == "_") {
947 interpretChar(cur, cmd.argument()[0]);
949 cur.niceInsert(cmd.argument());
953 case LFUN_DIALOG_SHOW_NEW_INSET: {
954 docstring const & name = cmd.argument();
958 data = tmp.createDialogStr(to_utf8(name));
960 cur.bv().showInsetDialog(to_utf8(name), data, 0);
964 case LFUN_INSET_INSERT: {
966 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
975 InsetMathDim::doDispatch(cur, cmd);
981 bool InsetMathNest::getStatus(LCursor & cur, FuncRequest const & cmd,
982 FuncStatus & flag) const
984 // the font related toggles
985 //string tc = "mathnormal";
987 string const arg = to_utf8(cmd.argument());
988 switch (cmd.action) {
989 case LFUN_TABULAR_FEATURE:
993 case LFUN_TABULAR_FEATURE:
994 // FIXME: check temporarily disabled
996 char align = mathcursor::valign();
1001 if (cmd.argument().empty()) {
1005 if (!contains("tcb", cmd.argument()[0])) {
1009 flag.setOnOff(cmd.argument()[0] == align);
1012 /// We have to handle them since 1.4 blocks all unhandled actions
1013 case LFUN_FONT_ITAL:
1014 case LFUN_FONT_BOLD:
1015 case LFUN_FONT_SANS:
1016 case LFUN_FONT_EMPH:
1017 case LFUN_FONT_CODE:
1018 case LFUN_FONT_NOUN:
1019 case LFUN_FONT_ROMAN:
1020 case LFUN_FONT_DEFAULT:
1023 case LFUN_MATH_MUTATE:
1024 //flag.setOnOff(mathcursor::formula()->hullType() == to_utf8(cmd.argument()));
1025 flag.setOnOff(false);
1028 // we just need to be in math mode to enable that
1029 case LFUN_MATH_SIZE:
1030 case LFUN_MATH_SPACE:
1031 case LFUN_MATH_LIMITS:
1032 case LFUN_MATH_NONUMBER:
1033 case LFUN_MATH_NUMBER:
1034 case LFUN_MATH_EXTERN:
1038 case LFUN_FONT_FRAK:
1039 flag.enabled(currentMode() != TEXT_MODE);
1042 case LFUN_MATH_INSERT: {
1043 bool const textarg =
1044 arg == "\\textbf" || arg == "\\textsf" ||
1045 arg == "\\textrm" || arg == "\\textmd" ||
1046 arg == "\\textit" || arg == "\\textsc" ||
1047 arg == "\\textsl" || arg == "\\textup" ||
1048 arg == "\\texttt" || arg == "\\textbb" ||
1049 arg == "\\textnormal";
1050 flag.enabled(currentMode() != TEXT_MODE || textarg);
1054 case LFUN_MATH_MATRIX:
1055 flag.enabled(currentMode() == MATH_MODE);
1058 case LFUN_INSET_INSERT: {
1059 // Don't test createMathInset_fromDialogStr(), since
1060 // getStatus is not called with a valid reference and the
1061 // dialog would not be applyable.
1062 string const name = cmd.getArg(0);
1063 flag.enabled(name == "ref");
1067 case LFUN_MATH_DELIM:
1068 case LFUN_MATH_BIGDELIM:
1069 // Don't do this with multi-cell selections
1070 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1081 void InsetMathNest::edit(LCursor & cur, bool left)
1084 cur.idx() = left ? 0 : cur.lastidx();
1085 cur.pos() = left ? 0 : cur.lastpos();
1087 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1091 InsetBase * InsetMathNest::editXY(LCursor & cur, int x, int y)
1094 int dist_min = 1000000;
1095 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1096 int const d = cell(i).dist(cur.bv(), x, y);
1102 MathArray & ar = cell(idx_min);
1104 cur.idx() = idx_min;
1105 cur.pos() = ar.x2pos(x - ar.xo(cur.bv()));
1107 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1108 if (dist_min == 0) {
1110 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1111 if (ar[i]->covers(cur.bv(), x, y))
1112 return ar[i].nucleus()->editXY(cur, x, y);
1118 void InsetMathNest::lfunMousePress(LCursor & cur, FuncRequest & cmd)
1120 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1121 BufferView & bv = cur.bv();
1122 if (cmd.button() == mouse_button::button1) {
1123 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1124 bv.mouseSetCursor(cur);
1125 } else if (cmd.button() == mouse_button::button2) {
1127 if (cur.selection())
1128 asArray(bv.cursor().selectionAsString(false), ar);
1130 asArray(theSelection().get(), ar);
1133 bv.mouseSetCursor(cur);
1138 void InsetMathNest::lfunMouseMotion(LCursor & cur, FuncRequest & cmd)
1140 // only select with button 1
1141 if (cmd.button() == mouse_button::button1) {
1142 LCursor & bvcur = cur.bv().cursor();
1143 if (bvcur.anchor_.hasPart(cur)) {
1144 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1145 bvcur.setCursor(cur);
1146 bvcur.selection() = true;
1147 //lyxerr << "MOTION " << bvcur << endl;
1156 void InsetMathNest::lfunMouseRelease(LCursor & cur, FuncRequest & cmd)
1158 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1160 if (cmd.button() == mouse_button::button1) {
1161 //theSelection().put(cur.grabSelection());
1165 if (cmd.button() == mouse_button::button3) {
1166 // try to dispatch to enclosed insets first
1167 cur.bv().showDialog("mathpanel");
1175 bool InsetMathNest::interpretChar(LCursor & cur, char_type c)
1177 //lyxerr << "interpret 2: '" << c << "'" << endl;
1178 docstring save_selection;
1179 if (c == '^' || c == '_')
1180 save_selection = grabAndEraseSelection(cur);
1185 if (cur.inMacroMode()) {
1186 docstring name = cur.macroName();
1188 /// are we currently typing '#1' or '#2' or...?
1189 if (name == "\\#") {
1192 if (n >= 1 && n <= 9)
1193 cur.insert(new MathMacroArgument(n));
1198 cur.activeMacro()->setName(name + docstring(1, c));
1202 // handle 'special char' macros
1207 if (currentMode() == InsetMath::TEXT_MODE)
1208 cur.niceInsert(createInsetMath("textbackslash"));
1210 cur.niceInsert(createInsetMath("backslash"));
1211 } else if (c == '{') {
1213 cur.niceInsert(MathAtom(new InsetMathBrace));
1214 } else if (c == '%') {
1216 cur.niceInsert(MathAtom(new InsetMathComment));
1217 } else if (c == '#') {
1218 BOOST_ASSERT(cur.activeMacro());
1219 cur.activeMacro()->setName(name + docstring(1, c));
1222 cur.niceInsert(createInsetMath(docstring(1, c)));
1227 // One character big delimiters. The others are handled in
1228 // interpretString().
1229 latexkeys const * l = in_word_set(name.substr(1));
1230 if (name[0] == '\\' && l && l->inset == "big") {
1234 delim = from_ascii("\\{");
1237 delim = from_ascii("\\}");
1240 delim = docstring(1, c);
1243 if (InsetMathBig::isBigInsetDelim(delim)) {
1244 // name + delim ared a valid InsetMathBig.
1245 // We can't use cur.macroModeClose() because
1246 // it does not handle delim.
1247 InsetMathUnknown * p = cur.activeMacro();
1250 cur.cell().erase(cur.pos());
1251 cur.plainInsert(MathAtom(
1252 new InsetMathBig(name.substr(1), delim)));
1257 // leave macro mode and try again if necessary
1258 cur.macroModeClose();
1260 cur.niceInsert(MathAtom(new InsetMathBrace));
1262 interpretChar(cur, c);
1266 // This is annoying as one has to press <space> far too often.
1270 // leave autocorrect mode if necessary
1271 if (autocorrect() && c == ' ') {
1272 autocorrect() = false;
1277 // just clear selection on pressing the space bar
1278 if (cur.selection() && c == ' ') {
1279 cur.selection() = false;
1286 //lyxerr << "starting with macro" << endl;
1287 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), false)));
1292 if (currentMode() == InsetMath::TEXT_MODE)
1298 if (currentMode() == InsetMath::TEXT_MODE) {
1299 // insert spaces in text mode,
1300 // but suppress direct insertion of two spaces in a row
1301 // the still allows typing '<space>a<space>' and deleting the 'a', but
1302 // it is better than nothing...
1303 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ')
1307 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1308 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1313 // if are at the very end, leave the formula
1314 return cur.pos() != cur.lastpos();
1317 // These shouldn't work in text mode:
1318 if (currentMode() != InsetMath::TEXT_MODE) {
1320 script(cur, false, save_selection);
1324 script(cur, true, save_selection);
1328 cur.niceInsert(createInsetMath("sim"));
1333 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1334 c == '%' || c == '_' || c == '^') {
1335 cur.niceInsert(createInsetMath(docstring(1, c)));
1340 // try auto-correction
1341 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1344 // no special circumstances, so insert the character without any fuss
1346 cur.autocorrect() = true;
1351 bool InsetMathNest::interpretString(LCursor & cur, docstring const & str)
1353 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1355 if (!cur.empty() && cur.pos() > 0 &&
1356 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1357 if (InsetMathBig::isBigInsetDelim(str)) {
1358 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1359 if (prev[0] == '\\') {
1360 prev = prev.substr(1);
1361 latexkeys const * l = in_word_set(prev);
1362 if (l && l->inset == "big") {
1363 cur.cell()[cur.pos() - 1] =
1364 MathAtom(new InsetMathBig(prev, str));
1374 bool InsetMathNest::script(LCursor & cur, bool up,
1375 docstring const & save_selection)
1377 // Hack to get \^ and \_ working
1378 //lyxerr << "handling script: up: " << up << endl;
1379 if (cur.inMacroMode() && cur.macroName() == "\\") {
1381 cur.niceInsert(createInsetMath("mathcircumflex"));
1383 interpretChar(cur, '_');
1387 cur.macroModeClose();
1388 if (asScriptInset() && cur.idx() == 0) {
1389 // we are in a nucleus of a script inset, move to _our_ script
1390 InsetMathScript * inset = asScriptInset();
1391 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1393 cur.idx() = inset->idxOfScript(up);
1395 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1397 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1400 cur.idx() = inset->idxOfScript(up);
1401 cur.pos() = cur.lastpos();
1403 // convert the thing to our left to a scriptinset or create a new
1404 // one if in the very first position of the array
1405 if (cur.pos() == 0) {
1406 //lyxerr << "new scriptinset" << endl;
1407 cur.insert(new InsetMathScript(up));
1409 //lyxerr << "converting prev atom " << endl;
1410 cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
1413 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1414 // See comment in MathParser.C for special handling of {}-bases
1420 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1421 cur.niceInsert(save_selection);
1423 //lyxerr << "inserting selection 2:\n" << save_selection << endl;