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 "MathMLStream.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"
47 #include "outputparams.h"
50 #include "support/lstrings.h"
52 #include "frontends/Application.h"
53 #include "frontends/Painter.h"
54 #include "frontends/Selection.h"
55 #include "frontends/nullpainter.h"
57 //#include "bufferlist.h"
58 #include "funcrequest.h"
59 #include "lyxserver.h"
60 #include "lyxsocket.h"
64 using lyx::cap::copySelection;
65 using lyx::cap::grabAndEraseSelection;
66 using lyx::cap::cutSelection;
67 using lyx::cap::replaceSelection;
68 using lyx::cap::selClearOrDel;
70 using lyx::frontend::Clipboard;
74 using std::istringstream;
77 InsetMathNest::InsetMathNest(idx_type nargs)
78 : cells_(nargs), lock_(false)
82 InsetMath::idx_type InsetMathNest::nargs() const
88 MathArray & InsetMathNest::cell(idx_type i)
94 MathArray const & InsetMathNest::cell(idx_type i) const
100 void InsetMathNest::cursorPos(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 if (!theCoords.getArrays().has(&ar)) {
113 // this can (semi-)legally happen if we just created this cell
114 // and it never has been drawn before. So don't ASSERT.
115 //lyxerr << "no cached data for array " << &ar << endl;
120 Point const pt = theCoords.getArrays().xy(&ar);
121 if (!theCoords.getInsets().has(this)) {
123 //lyxerr << "no cached data for inset " << this << endl;
128 Point const pt2 = theCoords.getInsets().xy(this);
129 //lyxerr << "retrieving position cache for MathArray "
130 // << pt.x_ << ' ' << pt.y_ << std::endl;
131 x = pt.x_ - pt2.x_ + ar.pos2x(sl.pos());
133 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
134 // << " asc: " << ascent() << " des: " << descent()
135 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
136 // move cursor visually into empty cells ("blue rectangles");
142 void InsetMathNest::metrics(MetricsInfo const & mi) const
145 for (idx_type i = 0, n = nargs(); i != n; ++i)
150 bool InsetMathNest::idxNext(LCursor & cur) const
152 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
153 if (cur.idx() == cur.lastidx())
161 bool InsetMathNest::idxRight(LCursor & cur) const
167 bool InsetMathNest::idxPrev(LCursor & cur) const
169 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
173 cur.pos() = cur.lastpos();
178 bool InsetMathNest::idxLeft(LCursor & cur) const
184 bool InsetMathNest::idxFirst(LCursor & cur) const
186 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
195 bool InsetMathNest::idxLast(LCursor & cur) const
197 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
200 cur.idx() = cur.lastidx();
201 cur.pos() = cur.lastpos();
206 void InsetMathNest::dump() const
208 WriteStream os(lyxerr);
209 os << "---------------------------------------------\n";
212 for (idx_type i = 0, n = nargs(); i != n; ++i)
213 os << cell(i) << "\n";
214 os << "---------------------------------------------\n";
218 void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
222 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
225 setPosCache(pi, x, y);
229 void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
231 // this should use the x/y values given, not the cached values
232 LCursor & cur = pi.base.bv->cursor();
233 if (!cur.selection())
235 if (!ptr_cmp(&cur.inset(), this))
238 // FIXME: hack to get position cache warm
239 static lyx::frontend::NullPainter nop;
240 PainterInfo pinop(pi);
244 CursorSlice s1 = cur.selBegin();
245 CursorSlice s2 = cur.selEnd();
246 //lyxerr << "InsetMathNest::drawing selection: "
247 // << " s1: " << s1 << " s2: " << s2 << endl;
248 if (s1.idx() == s2.idx()) {
249 MathArray const & c = cell(s1.idx());
250 int x1 = c.xo() + c.pos2x(s1.pos());
251 int y1 = c.yo() - c.ascent();
252 int x2 = c.xo() + c.pos2x(s2.pos());
253 int y2 = c.yo() + c.descent();
254 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
255 //lyxerr << "InsetMathNest::drawing selection 3: "
256 // << " x1: " << x1 << " x2: " << x2
257 // << " y1: " << y1 << " y2: " << y2 << endl;
259 for (idx_type i = 0; i < nargs(); ++i) {
260 if (idxBetween(i, s1.idx(), s2.idx())) {
261 MathArray const & c = cell(i);
263 int y1 = c.yo() - c.ascent();
264 int x2 = c.xo() + c.width();
265 int y2 = c.yo() + c.descent();
266 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
273 void InsetMathNest::validate(LaTeXFeatures & features) const
275 for (idx_type i = 0; i < nargs(); ++i)
276 cell(i).validate(features);
280 void InsetMathNest::replace(ReplaceData & rep)
282 for (idx_type i = 0; i < nargs(); ++i)
283 cell(i).replace(rep);
287 bool InsetMathNest::contains(MathArray const & ar) const
289 for (idx_type i = 0; i < nargs(); ++i)
290 if (cell(i).contains(ar))
296 bool InsetMathNest::lock() const
302 void InsetMathNest::lock(bool l)
308 bool InsetMathNest::isActive() const
314 MathArray InsetMathNest::glue() const
317 for (size_t i = 0; i < nargs(); ++i)
323 void InsetMathNest::write(WriteStream & os) const
325 os << '\\' << name().c_str();
326 for (size_t i = 0; i < nargs(); ++i)
327 os << '{' << cell(i) << '}';
329 os.pendingSpace(true);
330 if (lock_ && !os.latex()) {
332 os.pendingSpace(true);
337 void InsetMathNest::normalize(NormalStream & os) const
339 os << '[' << name().c_str();
340 for (size_t i = 0; i < nargs(); ++i)
341 os << ' ' << cell(i);
346 int InsetMathNest::latex(Buffer const &, std::ostream & os,
347 OutputParams const & runparams) const
349 WriteStream wi(os, runparams.moving_arg, true);
355 bool InsetMathNest::notifyCursorLeaves(LCursor & /*cur*/)
361 MathArray & ar = cur.cell();
362 // remove base-only "scripts"
363 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
364 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
365 if (p && p->nargs() == 1) {
366 MathArray ar = p->nuc();
369 cur.adjust(i, ar.size() - 1);
373 // glue adjacent font insets of the same kind
374 for (pos_type i = 0; i + 1 < size(); ++i) {
375 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
376 InsetMathFont const * q = operator[](i + 1)->asFontInset();
377 if (p && q && p->name() == q->name()) {
378 p->cell(0).append(q->cell(0));
388 void InsetMathNest::handleFont
389 (LCursor & cur, string const & arg, string const & font)
391 // this whole function is a hack and won't work for incremental font
393 recordUndo(cur, Undo::ATOMIC);
395 if (cur.inset().asInsetMath()->name() == font)
396 cur.handleFont(font);
398 cur.handleNest(createInsetMath(font));
404 void InsetMathNest::handleFont2(LCursor & cur, string const & arg)
406 recordUndo(cur, Undo::ATOMIC);
409 bv_funcs::string2font(arg, font, b);
410 if (font.color() != LColor::inherit) {
411 MathAtom at = MathAtom(new InsetMathColor(true, font.color()));
412 cur.handleNest(at, 0);
417 void InsetMathNest::doDispatch(LCursor & cur, FuncRequest & cmd)
419 //lyxerr << "InsetMathNest: request: " << cmd << std::endl;
420 //CursorSlice sl = cur.current();
422 switch (cmd.action) {
426 cur.message(_("Paste"));
427 replaceSelection(cur);
429 istringstream is(lyx::to_utf8(cmd.argument()));
431 string const selection = lyx::cap::getSelection(cur.buffer(), n);
432 cur.niceInsert(selection);
433 cur.clearSelection(); // bug 393
434 cur.bv().switchKeyMap();
441 cutSelection(cur, true, true);
442 cur.message(_("Cut"));
443 // Prevent stale position >= size crash
444 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
451 cur.message(_("Copy"));
454 case LFUN_MOUSE_PRESS:
455 lfunMousePress(cur, cmd);
458 case LFUN_MOUSE_MOTION:
459 lfunMouseMotion(cur, cmd);
462 case LFUN_MOUSE_RELEASE:
463 lfunMouseRelease(cur, cmd);
466 case LFUN_FINISHED_LEFT:
467 cur.bv().cursor() = cur;
470 case LFUN_FINISHED_RIGHT:
472 cur.bv().cursor() = cur;
475 case LFUN_FINISHED_UP:
476 cur.bv().cursor() = cur;
479 case LFUN_FINISHED_DOWN:
481 cur.bv().cursor() = cur;
484 case LFUN_CHAR_FORWARD_SELECT:
485 case LFUN_CHAR_FORWARD:
486 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
487 cur.autocorrect() = false;
489 cur.macroModeClose();
490 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
491 cur.pushLeft(*cur.nextAtom().nucleus());
492 cur.inset().idxFirst(cur);
493 } else if (cur.posRight() || idxRight(cur)
494 || cur.popRight() || cur.selection())
497 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
502 case LFUN_CHAR_BACKWARD_SELECT:
503 case LFUN_CHAR_BACKWARD:
504 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
505 cur.autocorrect() = false;
507 cur.macroModeClose();
508 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
510 cur.push(*cur.nextAtom().nucleus());
511 cur.inset().idxLast(cur);
512 } else if (cur.posLeft() || idxLeft(cur)
513 || cur.popLeft() || cur.selection())
516 cmd = FuncRequest(LFUN_FINISHED_LEFT);
523 // FIXME Tried to use clearTargetX and macroModeClose, crashed on cur.up()
524 if (cur.inMacroMode()) {
526 cur.macroModeClose();
529 cur.selHandle(cmd.action == LFUN_UP_SELECT);
531 cmd = FuncRequest(LFUN_FINISHED_UP);
534 // fixes bug 1598. Please check!
538 case LFUN_DOWN_SELECT:
540 if (cur.inMacroMode()) {
541 cur.macroModeClose();
544 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
546 cmd = FuncRequest(LFUN_FINISHED_DOWN);
549 // fixes bug 1598. Please check!
553 case LFUN_MOUSE_DOUBLE:
554 case LFUN_MOUSE_TRIPLE:
555 case LFUN_WORD_SELECT:
559 cur.selection() = true;
560 cur.pos() = cur.lastpos();
561 cur.idx() = cur.lastidx();
564 case LFUN_PARAGRAPH_UP_SELECT:
565 case LFUN_PARAGRAPH_UP:
566 case LFUN_PARAGRAPH_DOWN_SELECT:
567 case LFUN_PARAGRAPH_DOWN:
570 case LFUN_LINE_BEGIN_SELECT:
571 case LFUN_LINE_BEGIN:
572 case LFUN_WORD_BACKWARD_SELECT:
573 case LFUN_WORD_BACKWARD:
574 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
575 cmd.action == LFUN_LINE_BEGIN_SELECT);
576 cur.macroModeClose();
577 if (cur.pos() != 0) {
579 } else if (cur.col() != 0) {
580 cur.idx() -= cur.col();
582 } else if (cur.idx() != 0) {
586 cmd = FuncRequest(LFUN_FINISHED_LEFT);
591 case LFUN_WORD_FORWARD_SELECT:
592 case LFUN_WORD_FORWARD:
593 case LFUN_LINE_END_SELECT:
595 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
596 cmd.action == LFUN_LINE_END_SELECT);
597 cur.macroModeClose();
599 if (cur.pos() != cur.lastpos()) {
600 cur.pos() = cur.lastpos();
601 } else if (ncols() && (cur.col() != cur.lastcol())) {
602 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
603 cur.pos() = cur.lastpos();
604 } else if (cur.idx() != cur.lastidx()) {
605 cur.idx() = cur.lastidx();
606 cur.pos() = cur.lastpos();
608 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
613 case LFUN_SCREEN_UP_SELECT:
615 cmd = FuncRequest(LFUN_FINISHED_LEFT);
619 case LFUN_SCREEN_DOWN_SELECT:
620 case LFUN_SCREEN_DOWN:
621 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
625 case LFUN_CELL_FORWARD:
626 cur.inset().idxNext(cur);
629 case LFUN_CELL_BACKWARD:
630 cur.inset().idxPrev(cur);
633 case LFUN_WORD_DELETE_BACKWARD:
634 case LFUN_CHAR_DELETE_BACKWARD:
636 // May affect external cell:
637 recordUndoInset(cur, Undo::ATOMIC);
639 recordUndo(cur, Undo::ATOMIC);
643 case LFUN_WORD_DELETE_FORWARD:
644 case LFUN_CHAR_DELETE_FORWARD:
645 if (cur.pos() == cur.lastpos())
646 // May affect external cell:
647 recordUndoInset(cur, Undo::ATOMIC);
649 recordUndo(cur, Undo::ATOMIC);
655 cur.clearSelection();
657 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
662 case LFUN_INSET_TOGGLE:
668 case LFUN_SELF_INSERT:
669 if (cmd.argument().size() != 1) {
671 string const arg = lyx::to_utf8(cmd.argument());
672 if (!interpret(cur, arg))
676 // Don't record undo steps if we are in macro mode and
677 // cmd.argument is the next character of the macro name.
678 // Otherwise we'll get an invalid cursor if we undo after
679 // the macro was finished and the macro is a known command,
680 // e.g. sqrt. LCursor::macroModeClose replaces in this case
681 // the InsetMathUnknown with name "frac" by an empty
682 // InsetMathFrac -> a pos value > 0 is invalid.
683 // A side effect is that an undo before the macro is finished
684 // undoes the complete macro, not only the last character.
685 if (!cur.inMacroMode())
688 // spacial handling of space. If we insert an inset
689 // via macro mode, we want to put the cursor inside it
690 // if relevant. Think typing "\frac<space>".
691 if (cmd.argument()[0] == ' '
692 && cur.inMacroMode() && cur.macroName() != "\\"
693 && cur.macroModeClose()) {
694 MathAtom const atom = cur.prevAtom();
695 if (atom->asNestInset() && atom->nargs() > 0) {
697 cur.pushLeft(*cur.nextInset());
700 // } else if (!interpret(cur, cmd.argument()[0])) {
701 // when interpret accepts UCS4 characters
702 } else if (!interpret(cur, lyx::to_utf8(cmd.argument()))) {
703 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
708 //case LFUN_SERVER_GET_XY:
709 // sprintf(dispatch_buffer, "%d %d",);
712 case LFUN_SERVER_SET_XY: {
713 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
716 istringstream is(lyx::to_utf8(cmd.argument()));
718 cur.setScreenPos(x, y);
722 // Special casing for superscript in case of LyX handling
724 case LFUN_ACCENT_CIRCUMFLEX:
725 if (cmd.argument().empty()) {
726 // do superscript if LyX handles
728 recordUndo(cur, Undo::ATOMIC);
729 script(cur, true, grabAndEraseSelection(cur));
733 case LFUN_ACCENT_UMLAUT:
734 case LFUN_ACCENT_ACUTE:
735 case LFUN_ACCENT_GRAVE:
736 case LFUN_ACCENT_BREVE:
737 case LFUN_ACCENT_DOT:
738 case LFUN_ACCENT_MACRON:
739 case LFUN_ACCENT_CARON:
740 case LFUN_ACCENT_TILDE:
741 case LFUN_ACCENT_CEDILLA:
742 case LFUN_ACCENT_CIRCLE:
743 case LFUN_ACCENT_UNDERDOT:
744 case LFUN_ACCENT_TIE:
745 case LFUN_ACCENT_OGONEK:
746 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
750 case LFUN_FONT_FREE_APPLY:
751 case LFUN_FONT_FREE_UPDATE:
752 handleFont2(cur, lyx::to_utf8(cmd.argument()));
756 if (currentMode() == TEXT_MODE)
757 handleFont(cur, lyx::to_utf8(cmd.argument()), "textbf");
759 handleFont(cur, lyx::to_utf8(cmd.argument()), "mathbf");
762 if (currentMode() == TEXT_MODE)
763 handleFont(cur, lyx::to_utf8(cmd.argument()), "textsf");
765 handleFont(cur, lyx::to_utf8(cmd.argument()), "mathsf");
768 if (currentMode() == TEXT_MODE)
769 handleFont(cur, lyx::to_utf8(cmd.argument()), "emph");
771 handleFont(cur, lyx::to_utf8(cmd.argument()), "mathcal");
773 case LFUN_FONT_ROMAN:
774 if (currentMode() == TEXT_MODE)
775 handleFont(cur, lyx::to_utf8(cmd.argument()), "textrm");
777 handleFont(cur, lyx::to_utf8(cmd.argument()), "mathrm");
780 if (currentMode() == TEXT_MODE)
781 handleFont(cur, lyx::to_utf8(cmd.argument()), "texttt");
783 handleFont(cur, lyx::to_utf8(cmd.argument()), "mathtt");
786 handleFont(cur, lyx::to_utf8(cmd.argument()), "mathfrak");
789 if (currentMode() == TEXT_MODE)
790 handleFont(cur, lyx::to_utf8(cmd.argument()), "textit");
792 handleFont(cur, lyx::to_utf8(cmd.argument()), "mathit");
795 if (currentMode() == TEXT_MODE)
796 // FIXME: should be "noun"
797 handleFont(cur, lyx::to_utf8(cmd.argument()), "textsc");
799 handleFont(cur, lyx::to_utf8(cmd.argument()), "mathbb");
801 //case LFUN_FONT_FREE_APPLY:
802 handleFont(cur, lyx::to_utf8(cmd.argument()), "textrm");
804 case LFUN_FONT_DEFAULT:
805 handleFont(cur, lyx::to_utf8(cmd.argument()), "textnormal");
808 case LFUN_MATH_MODE: {
810 // ignore math-mode on when already in math mode
811 if (currentMode() == InsetBase::MATH_MODE && cmd.argument() == "on")
813 cur.macroModeClose();
814 string const save_selection = grabAndEraseSelection(cur);
816 //cur.plainInsert(MathAtom(new InsetMathMBox(cur.bv())));
817 cur.plainInsert(MathAtom(new InsetMathBox("mbox")));
819 cur.pushLeft(*cur.nextInset());
820 cur.niceInsert(save_selection);
822 if (currentMode() == InsetBase::TEXT_MODE) {
823 cur.niceInsert(MathAtom(new InsetMathHull("simple")));
824 cur.message(_("create new math text environment ($...$)"));
826 handleFont(cur, lyx::to_utf8(cmd.argument()), "textrm");
827 cur.message(_("entered math text mode (textrm)"));
840 case LFUN_MATH_MATRIX: {
841 recordUndo(cur, Undo::ATOMIC);
846 istringstream is(lyx::to_utf8(cmd.argument()));
847 is >> m >> n >> v_align >> h_align;
854 MathAtom(new InsetMathArray("array", m, n, v_align[0], h_align)));
858 case LFUN_MATH_DELIM: {
860 string rs = lyx::support::split(lyx::to_utf8(cmd.argument()), ls, ' ');
861 // Reasonable default values
866 recordUndo(cur, Undo::ATOMIC);
867 cur.handleNest(MathAtom(new InsetMathDelim(ls, rs)));
871 case LFUN_MATH_BIGDELIM: {
872 string const lname = cmd.getArg(0);
873 string const ldelim = cmd.getArg(1);
874 string const rname = cmd.getArg(2);
875 string const rdelim = cmd.getArg(3);
876 latexkeys const * l = in_word_set(lname);
877 bool const have_l = l && l->inset == "big" &&
878 InsetMathBig::isBigInsetDelim(ldelim);
879 l = in_word_set(rname);
880 bool const have_r = l && l->inset == "big" &&
881 InsetMathBig::isBigInsetDelim(rdelim);
882 // We mimic LFUN_MATH_DELIM in case we have an empty left
883 // or right delimiter.
884 if (have_l || have_r) {
885 recordUndo(cur, Undo::ATOMIC);
886 string const selection = grabAndEraseSelection(cur);
889 cur.insert(MathAtom(new InsetMathBig(lname,
891 cur.niceInsert(selection);
893 cur.insert(MathAtom(new InsetMathBig(rname,
896 // Don't call cur.undispatched() if we did nothing, this would
897 // lead to infinite recursion via LyXText::dispatch().
901 case LFUN_SPACE_INSERT:
902 case LFUN_MATH_SPACE:
903 recordUndo(cur, Undo::ATOMIC);
904 cur.insert(MathAtom(new InsetMathSpace(",")));
907 case LFUN_ERT_INSERT:
908 // interpret this as if a backslash was typed
909 recordUndo(cur, Undo::ATOMIC);
910 interpret(cur, '\\');
913 case LFUN_MATH_SUBSCRIPT:
914 // interpret this as if a _ was typed
915 recordUndo(cur, Undo::ATOMIC);
919 case LFUN_MATH_SUPERSCRIPT:
920 // interpret this as if a ^ was typed
921 recordUndo(cur, Undo::ATOMIC);
925 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
926 // handling such that "self-insert" works on "arbitrary stuff" too, and
927 // math-insert only handles special math things like "matrix".
928 case LFUN_MATH_INSERT: {
929 recordUndo(cur, Undo::ATOMIC);
930 if (cmd.argument() == "^" || cmd.argument() == "_")
931 interpret(cur, cmd.argument()[0]);
933 cur.niceInsert(lyx::to_utf8(cmd.argument()));
937 case LFUN_DIALOG_SHOW_NEW_INSET: {
938 string const & name = lyx::to_utf8(cmd.argument());
942 data = tmp.createDialogStr(name);
944 cur.bv().showInsetDialog(name, data, 0);
948 case LFUN_INSET_INSERT: {
950 if (createInsetMath_fromDialogStr(lyx::to_utf8(cmd.argument()), ar)) {
959 InsetMathDim::doDispatch(cur, cmd);
965 bool InsetMathNest::getStatus(LCursor & cur, FuncRequest const & cmd,
966 FuncStatus & flag) const
968 // the font related toggles
969 //string tc = "mathnormal";
971 string const arg = lyx::to_utf8(cmd.argument());
972 switch (cmd.action) {
973 case LFUN_TABULAR_FEATURE:
977 case LFUN_TABULAR_FEATURE:
978 // FIXME: check temporarily disabled
980 char align = mathcursor::valign();
985 if (cmd.argument().empty()) {
989 if (!contains("tcb", cmd.argument()[0])) {
993 flag.setOnOff(cmd.argument()[0] == align);
996 /// We have to handle them since 1.4 blocks all unhandled actions
1000 case LFUN_FONT_EMPH:
1001 case LFUN_FONT_CODE:
1002 case LFUN_FONT_NOUN:
1003 case LFUN_FONT_ROMAN:
1004 case LFUN_FONT_DEFAULT:
1007 case LFUN_MATH_MUTATE:
1008 //flag.setOnOff(mathcursor::formula()->hullType() == lyx::to_utf8(cmd.argument()));
1009 flag.setOnOff(false);
1012 // we just need to be in math mode to enable that
1013 case LFUN_MATH_SIZE:
1014 case LFUN_MATH_SPACE:
1015 case LFUN_MATH_LIMITS:
1016 case LFUN_MATH_NONUMBER:
1017 case LFUN_MATH_NUMBER:
1018 case LFUN_MATH_EXTERN:
1022 case LFUN_FONT_FRAK:
1023 flag.enabled(currentMode() != TEXT_MODE);
1026 case LFUN_MATH_INSERT: {
1027 bool const textarg =
1028 arg == "\\textbf" || arg == "\\textsf" ||
1029 arg == "\\textrm" || arg == "\\textmd" ||
1030 arg == "\\textit" || arg == "\\textsc" ||
1031 arg == "\\textsl" || arg == "\\textup" ||
1032 arg == "\\texttt" || arg == "\\textbb" ||
1033 arg == "\\textnormal";
1034 flag.enabled(currentMode() != TEXT_MODE || textarg);
1038 case LFUN_MATH_MATRIX:
1039 flag.enabled(currentMode() == MATH_MODE);
1042 case LFUN_INSET_INSERT: {
1043 // Don't test createMathInset_fromDialogStr(), since
1044 // getStatus is not called with a valid reference and the
1045 // dialog would not be applyable.
1046 string const name = cmd.getArg(0);
1047 flag.enabled(name == "ref");
1051 case LFUN_MATH_DELIM:
1052 case LFUN_MATH_BIGDELIM:
1053 // Don't do this with multi-cell selections
1054 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1065 void InsetMathNest::edit(LCursor & cur, bool left)
1068 cur.idx() = left ? 0 : cur.lastidx();
1069 cur.pos() = left ? 0 : cur.lastpos();
1071 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1075 InsetBase * InsetMathNest::editXY(LCursor & cur, int x, int y)
1078 int dist_min = 1000000;
1079 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1080 int const d = cell(i).dist(x, y);
1086 MathArray & ar = cell(idx_min);
1088 cur.idx() = idx_min;
1089 cur.pos() = ar.x2pos(x - ar.xo());
1090 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1091 if (dist_min == 0) {
1093 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1094 if (ar[i]->covers(x, y))
1095 return ar[i].nucleus()->editXY(cur, x, y);
1101 void InsetMathNest::lfunMousePress(LCursor & cur, FuncRequest & cmd)
1103 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1104 BufferView & bv = cur.bv();
1105 if (cmd.button() == mouse_button::button1) {
1106 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1107 bv.mouseSetCursor(cur);
1108 } else if (cmd.button() == mouse_button::button2) {
1110 if (cur.selection())
1111 asArray(lyx::to_utf8(bv.cursor().selectionAsString(false)), ar);
1113 asArray(lyx::to_utf8(theApp->selection().get()), ar);
1116 bv.mouseSetCursor(cur);
1121 void InsetMathNest::lfunMouseMotion(LCursor & cur, FuncRequest & cmd)
1123 // only select with button 1
1124 if (cmd.button() == mouse_button::button1) {
1125 LCursor & bvcur = cur.bv().cursor();
1126 if (bvcur.anchor_.hasPart(cur)) {
1127 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1128 bvcur.setCursor(cur);
1129 bvcur.selection() = true;
1130 //lyxerr << "MOTION " << bvcur << endl;
1139 void InsetMathNest::lfunMouseRelease(LCursor & cur, FuncRequest & cmd)
1141 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1143 if (cmd.button() == mouse_button::button1) {
1144 //theApp->selection().put(cur.grabSelection());
1148 if (cmd.button() == mouse_button::button3) {
1149 // try to dispatch to enclosed insets first
1150 cur.bv().showDialog("mathpanel");
1158 bool InsetMathNest::interpret(LCursor & cur, char c)
1160 //lyxerr << "interpret 2: '" << c << "'" << endl;
1161 string save_selection;
1162 if (c == '^' || c == '_')
1163 save_selection = grabAndEraseSelection(cur);
1168 if (cur.inMacroMode()) {
1169 string name = cur.macroName();
1171 /// are we currently typing '#1' or '#2' or...?
1172 if (name == "\\#") {
1175 if (n >= 1 && n <= 9)
1176 cur.insert(new MathMacroArgument(n));
1181 cur.activeMacro()->setName(name + c);
1185 // handle 'special char' macros
1190 if (currentMode() == InsetMath::TEXT_MODE)
1191 cur.niceInsert(createInsetMath("textbackslash"));
1193 cur.niceInsert(createInsetMath("backslash"));
1194 } else if (c == '{') {
1196 cur.niceInsert(MathAtom(new InsetMathBrace));
1197 } else if (c == '%') {
1199 cur.niceInsert(MathAtom(new InsetMathComment));
1200 } else if (c == '#') {
1201 BOOST_ASSERT(cur.activeMacro());
1202 cur.activeMacro()->setName(name + c);
1205 cur.niceInsert(createInsetMath(string(1, c)));
1210 // One character big delimiters. The others are handled in
1211 // the other interpret() method.
1212 latexkeys const * l = in_word_set(name.substr(1));
1213 if (name[0] == '\\' && l && l->inset == "big") {
1223 delim = string(1, c);
1226 if (InsetMathBig::isBigInsetDelim(delim)) {
1227 // name + delim ared a valid InsetMathBig.
1228 // We can't use cur.macroModeClose() because
1229 // it does not handle delim.
1230 InsetMathUnknown * p = cur.activeMacro();
1233 cur.cell().erase(cur.pos());
1234 cur.plainInsert(MathAtom(
1235 new InsetMathBig(name.substr(1), delim)));
1240 // leave macro mode and try again if necessary
1241 cur.macroModeClose();
1243 cur.niceInsert(MathAtom(new InsetMathBrace));
1249 // This is annoying as one has to press <space> far too often.
1253 // leave autocorrect mode if necessary
1254 if (autocorrect() && c == ' ') {
1255 autocorrect() = false;
1260 // just clear selection on pressing the space bar
1261 if (cur.selection() && c == ' ') {
1262 cur.selection() = false;
1269 //lyxerr << "starting with macro" << endl;
1270 cur.insert(MathAtom(new InsetMathUnknown("\\", false)));
1275 if (currentMode() == InsetMath::TEXT_MODE)
1281 if (currentMode() == InsetMath::TEXT_MODE) {
1282 // insert spaces in text mode,
1283 // but suppress direct insertion of two spaces in a row
1284 // the still allows typing '<space>a<space>' and deleting the 'a', but
1285 // it is better than nothing...
1286 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ')
1290 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1291 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1296 // if are at the very end, leave the formula
1297 return cur.pos() != cur.lastpos();
1300 // These shouldn't work in text mode:
1301 if (currentMode() != InsetMath::TEXT_MODE) {
1303 script(cur, false, save_selection);
1307 script(cur, true, save_selection);
1311 cur.niceInsert(createInsetMath("sim"));
1316 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1317 c == '%' || c == '_' || c == '^') {
1318 cur.niceInsert(createInsetMath(string(1, c)));
1323 // try auto-correction
1324 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1327 // no special circumstances, so insert the character without any fuss
1329 cur.autocorrect() = true;
1334 bool InsetMathNest::interpret(LCursor & cur, string const & str)
1336 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1338 if (!cur.empty() && cur.pos() > 0 &&
1339 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1340 if (InsetMathBig::isBigInsetDelim(str)) {
1341 string prev = asString(cur.cell()[cur.pos() - 1]);
1342 if (prev[0] == '\\') {
1343 prev = prev.substr(1);
1344 latexkeys const * l = in_word_set(prev);
1345 if (l && l->inset == "big") {
1346 cur.cell()[cur.pos() - 1] =
1347 MathAtom(new InsetMathBig(prev, str));
1357 bool InsetMathNest::script(LCursor & cur, bool up, string const &
1360 // Hack to get \^ and \_ working
1361 //lyxerr << "handling script: up: " << up << endl;
1362 if (cur.inMacroMode() && cur.macroName() == "\\") {
1364 cur.niceInsert(createInsetMath("mathcircumflex"));
1366 interpret(cur, '_');
1370 cur.macroModeClose();
1371 if (asScriptInset() && cur.idx() == 0) {
1372 // we are in a nucleus of a script inset, move to _our_ script
1373 InsetMathScript * inset = asScriptInset();
1374 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1376 cur.idx() = inset->idxOfScript(up);
1378 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1380 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1383 cur.idx() = inset->idxOfScript(up);
1384 cur.pos() = cur.lastpos();
1386 // convert the thing to our left to a scriptinset or create a new
1387 // one if in the very first position of the array
1388 if (cur.pos() == 0) {
1389 //lyxerr << "new scriptinset" << endl;
1390 cur.insert(new InsetMathScript(up));
1392 //lyxerr << "converting prev atom " << endl;
1393 cur.prevAtom() = MathAtom(new InsetMathScript(cur.prevAtom(), up));
1396 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1397 // special handling of {}-bases
1398 // is this always correct?
1399 if (inset->nuc().size() == 1
1400 && inset->nuc().back()->asBraceInset())
1401 inset->nuc() = inset->nuc().back()->asNestInset()->cell(0);
1407 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1408 cur.niceInsert(save_selection);
1410 //lyxerr << "inserting selection 2:\n" << save_selection << endl;