2 * \file math_nestinset.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 "math_nestinset.h"
15 #include "math_arrayinset.h"
16 #include "math_biginset.h"
17 #include "math_boxinset.h"
18 #include "math_braceinset.h"
19 #include "math_colorinset.h"
20 #include "math_commentinset.h"
21 #include "math_data.h"
22 #include "math_deliminset.h"
23 #include "math_factory.h"
24 #include "math_hullinset.h"
25 #include "math_mathmlstream.h"
26 #include "math_macroarg.h"
27 //#include "math_mboxinset.h"
28 #include "math_parser.h"
29 #include "math_scriptinset.h"
30 #include "math_spaceinset.h"
31 #include "math_symbolinset.h"
32 #include "math_support.h"
33 #include "math_unknowninset.h"
34 #include "ref_inset.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/Dialogs.h"
53 #include "frontends/Gui.h"
54 #include "frontends/LyXView.h"
55 #include "frontends/Painter.h"
56 #include "frontends/Selection.h"
57 #include "frontends/nullpainter.h"
61 using lyx::cap::copySelection;
62 using lyx::cap::grabAndEraseSelection;
63 using lyx::cap::cutSelection;
64 using lyx::cap::replaceSelection;
65 using lyx::cap::selClearOrDel;
67 using lyx::frontend::Gui;
68 using lyx::frontend::Clipboard;
72 using std::istringstream;
75 MathNestInset::MathNestInset(idx_type nargs)
76 : cells_(nargs), lock_(false)
80 MathInset::idx_type MathNestInset::nargs() const
86 MathArray & MathNestInset::cell(idx_type i)
92 MathArray const & MathNestInset::cell(idx_type i) const
98 void MathNestInset::cursorPos(CursorSlice const & sl, bool /*boundary*/,
99 int & x, int & y) const
101 // FIXME: This is a hack. Ideally, the coord cache should not store
102 // absolute positions, but relative ones. This would mean to call
103 // setXY() not in MathArray::draw(), but in the parent insets' draw()
104 // with the correctly adjusted x,y values. But this means that we'd have
105 // to touch all (math)inset's draw() methods. Right now, we'll store
106 // absolute value, and make them here relative, only to make them
107 // absolute again when actually drawing the cursor. What a mess.
108 BOOST_ASSERT(ptr_cmp(&sl.inset(), this));
109 MathArray const & ar = sl.cell();
110 if (!theCoords.getArrays().has(&ar)) {
111 // this can (semi-)legally happen if we just created this cell
112 // and it never has been drawn before. So don't ASSERT.
113 //lyxerr << "no cached data for array " << &ar << endl;
118 Point const pt = theCoords.getArrays().xy(&ar);
119 if (!theCoords.getInsets().has(this)) {
121 //lyxerr << "no cached data for inset " << this << endl;
126 Point const pt2 = theCoords.getInsets().xy(this);
127 //lyxerr << "retrieving position cache for MathArray "
128 // << pt.x_ << ' ' << pt.y_ << std::endl;
129 x = pt.x_ - pt2.x_ + ar.pos2x(sl.pos());
131 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
132 // << " asc: " << ascent() << " des: " << descent()
133 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
134 // move cursor visually into empty cells ("blue rectangles");
140 void MathNestInset::metrics(MetricsInfo const & mi) const
143 for (idx_type i = 0, n = nargs(); i != n; ++i)
148 bool MathNestInset::idxNext(LCursor & cur) const
150 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
151 if (cur.idx() == cur.lastidx())
159 bool MathNestInset::idxRight(LCursor & cur) const
165 bool MathNestInset::idxPrev(LCursor & cur) const
167 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
171 cur.pos() = cur.lastpos();
176 bool MathNestInset::idxLeft(LCursor & cur) const
182 bool MathNestInset::idxFirst(LCursor & cur) const
184 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
193 bool MathNestInset::idxLast(LCursor & cur) const
195 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
198 cur.idx() = cur.lastidx();
199 cur.pos() = cur.lastpos();
204 void MathNestInset::dump() const
206 WriteStream os(lyxerr);
207 os << "---------------------------------------------\n";
210 for (idx_type i = 0, n = nargs(); i != n; ++i)
211 os << cell(i) << "\n";
212 os << "---------------------------------------------\n";
216 void MathNestInset::draw(PainterInfo & pi, int x, int y) const
220 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
223 setPosCache(pi, x, y);
227 void MathNestInset::drawSelection(PainterInfo & pi, int x, int y) const
229 // this should use the x/y values given, not the cached values
230 LCursor & cur = pi.base.bv->cursor();
231 if (!cur.selection())
233 if (!ptr_cmp(&cur.inset(), this))
236 // FIXME: hack to get position cache warm
237 static lyx::frontend::NullPainter nop;
238 PainterInfo pinop(pi);
242 CursorSlice s1 = cur.selBegin();
243 CursorSlice s2 = cur.selEnd();
244 //lyxerr << "MathNestInset::drawing selection: "
245 // << " s1: " << s1 << " s2: " << s2 << endl;
246 if (s1.idx() == s2.idx()) {
247 MathArray const & c = cell(s1.idx());
248 int x1 = c.xo() + c.pos2x(s1.pos());
249 int y1 = c.yo() - c.ascent();
250 int x2 = c.xo() + c.pos2x(s2.pos());
251 int y2 = c.yo() + c.descent();
252 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
253 //lyxerr << "MathNestInset::drawing selection 3: "
254 // << " x1: " << x1 << " x2: " << x2
255 // << " y1: " << y1 << " y2: " << y2 << endl;
257 for (idx_type i = 0; i < nargs(); ++i) {
258 if (idxBetween(i, s1.idx(), s2.idx())) {
259 MathArray const & c = cell(i);
261 int y1 = c.yo() - c.ascent();
262 int x2 = c.xo() + c.width();
263 int y2 = c.yo() + c.descent();
264 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
271 void MathNestInset::validate(LaTeXFeatures & features) const
273 for (idx_type i = 0; i < nargs(); ++i)
274 cell(i).validate(features);
278 void MathNestInset::replace(ReplaceData & rep)
280 for (idx_type i = 0; i < nargs(); ++i)
281 cell(i).replace(rep);
285 bool MathNestInset::contains(MathArray const & ar) const
287 for (idx_type i = 0; i < nargs(); ++i)
288 if (cell(i).contains(ar))
294 bool MathNestInset::lock() const
300 void MathNestInset::lock(bool l)
306 bool MathNestInset::isActive() const
312 MathArray MathNestInset::glue() const
315 for (size_t i = 0; i < nargs(); ++i)
321 void MathNestInset::write(WriteStream & os) const
323 os << '\\' << name().c_str();
324 for (size_t i = 0; i < nargs(); ++i)
325 os << '{' << cell(i) << '}';
327 os.pendingSpace(true);
328 if (lock_ && !os.latex()) {
330 os.pendingSpace(true);
335 void MathNestInset::normalize(NormalStream & os) const
337 os << '[' << name().c_str();
338 for (size_t i = 0; i < nargs(); ++i)
339 os << ' ' << cell(i);
344 int MathNestInset::latex(Buffer const &, std::ostream & os,
345 OutputParams const & runparams) const
347 WriteStream wi(os, runparams.moving_arg, true);
353 bool MathNestInset::notifyCursorLeaves(LCursor & /*cur*/)
359 MathArray & ar = cur.cell();
360 // remove base-only "scripts"
361 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
362 MathScriptInset * p = operator[](i).nucleus()->asScriptInset();
363 if (p && p->nargs() == 1) {
364 MathArray ar = p->nuc();
367 cur.adjust(i, ar.size() - 1);
371 // glue adjacent font insets of the same kind
372 for (pos_type i = 0; i + 1 < size(); ++i) {
373 MathFontInset * p = operator[](i).nucleus()->asFontInset();
374 MathFontInset const * q = operator[](i + 1)->asFontInset();
375 if (p && q && p->name() == q->name()) {
376 p->cell(0).append(q->cell(0));
386 void MathNestInset::handleFont
387 (LCursor & cur, string const & arg, string const & font)
389 // this whole function is a hack and won't work for incremental font
391 recordUndo(cur, Undo::ATOMIC);
393 if (cur.inset().asMathInset()->name() == font)
394 cur.handleFont(font);
396 cur.handleNest(createMathInset(font));
402 void MathNestInset::handleFont2(LCursor & cur, string const & arg)
404 recordUndo(cur, Undo::ATOMIC);
407 bv_funcs::string2font(arg, font, b);
408 if (font.color() != LColor::inherit) {
409 MathAtom at = MathAtom(new MathColorInset(true, font.color()));
410 cur.handleNest(at, 0);
415 void MathNestInset::doDispatch(LCursor & cur, FuncRequest & cmd)
417 //lyxerr << "MathNestInset: request: " << cmd << std::endl;
418 //CursorSlice sl = cur.current();
420 switch (cmd.action) {
425 cur.message(lyx::to_utf8(_("Paste")));
426 replaceSelection(cur);
428 istringstream is(lyx::to_utf8(cmd.argument()));
430 string const selection = lyx::cap::getSelection(cur.buffer(), n);
431 cur.niceInsert(selection);
432 cur.clearSelection(); // bug 393
433 cur.bv().switchKeyMap();
440 cutSelection(cur, true, true);
442 cur.message(lyx::to_utf8(_("Cut")));
443 // Prevent stale position >= size crash
444 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
451 cur.message(lyx::to_utf8(_("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 MathUnknownInset with name "frac" by an empty
682 // MathFracInset -> 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 MathMBoxInset(cur.bv())));
817 cur.plainInsert(MathAtom(new MathBoxInset("mbox")));
819 cur.pushLeft(*cur.nextInset());
820 cur.niceInsert(save_selection);
822 if (currentMode() == InsetBase::TEXT_MODE) {
823 cur.niceInsert(MathAtom(new MathHullInset("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 MathArrayInset("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 MathDelimInset(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 MathBigInset::isBigInsetDelim(ldelim);
879 l = in_word_set(rname);
880 bool const have_r = l && l->inset == "big" &&
881 MathBigInset::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 MathBigInset(lname,
891 cur.niceInsert(selection);
893 cur.insert(MathAtom(new MathBigInset(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 MathSpaceInset(",")));
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().owner()->getDialogs().show(name, data, 0);
949 MathDimInset::doDispatch(cur, cmd);
955 bool MathNestInset::getStatus(LCursor & cur, FuncRequest const & cmd,
956 FuncStatus & flag) const
958 // the font related toggles
959 //string tc = "mathnormal";
961 string const arg = lyx::to_utf8(cmd.argument());
962 switch (cmd.action) {
963 case LFUN_TABULAR_FEATURE:
967 case LFUN_TABULAR_FEATURE:
968 // FIXME: check temporarily disabled
970 char align = mathcursor::valign();
975 if (cmd.argument().empty()) {
979 if (!contains("tcb", cmd.argument()[0])) {
983 flag.setOnOff(cmd.argument()[0] == align);
986 /// We have to handle them since 1.4 blocks all unhandled actions
993 case LFUN_FONT_ROMAN:
994 case LFUN_FONT_DEFAULT:
997 case LFUN_MATH_MUTATE:
998 //flag.setOnOff(mathcursor::formula()->hullType() == lyx::to_utf8(cmd.argument()));
999 flag.setOnOff(false);
1002 // we just need to be in math mode to enable that
1003 case LFUN_MATH_SIZE:
1004 case LFUN_MATH_SPACE:
1005 case LFUN_MATH_LIMITS:
1006 case LFUN_MATH_NONUMBER:
1007 case LFUN_MATH_NUMBER:
1008 case LFUN_MATH_EXTERN:
1012 case LFUN_FONT_FRAK:
1013 flag.enabled(currentMode() != TEXT_MODE);
1016 case LFUN_MATH_INSERT: {
1017 bool const textarg =
1018 arg == "\\textbf" || arg == "\\textsf" ||
1019 arg == "\\textrm" || arg == "\\textmd" ||
1020 arg == "\\textit" || arg == "\\textsc" ||
1021 arg == "\\textsl" || arg == "\\textup" ||
1022 arg == "\\texttt" || arg == "\\textbb" ||
1023 arg == "\\textnormal";
1024 flag.enabled(currentMode() != TEXT_MODE || textarg);
1028 case LFUN_MATH_MATRIX:
1029 flag.enabled(currentMode() == MATH_MODE);
1032 case LFUN_MATH_DELIM:
1033 case LFUN_MATH_BIGDELIM:
1034 // Don't do this with multi-cell selections
1035 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1046 void MathNestInset::edit(LCursor & cur, bool left)
1049 cur.idx() = left ? 0 : cur.lastidx();
1050 cur.pos() = left ? 0 : cur.lastpos();
1052 //lyxerr << "MathNestInset::edit, cur:\n" << cur << endl;
1056 InsetBase * MathNestInset::editXY(LCursor & cur, int x, int y)
1059 int dist_min = 1000000;
1060 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1061 int const d = cell(i).dist(x, y);
1067 MathArray & ar = cell(idx_min);
1069 cur.idx() = idx_min;
1070 cur.pos() = ar.x2pos(x - ar.xo());
1071 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1072 if (dist_min == 0) {
1074 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1075 if (ar[i]->covers(x, y))
1076 return ar[i].nucleus()->editXY(cur, x, y);
1082 void MathNestInset::lfunMousePress(LCursor & cur, FuncRequest & cmd)
1084 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1085 BufferView & bv = cur.bv();
1086 if (cmd.button() == mouse_button::button1) {
1087 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1088 bv.mouseSetCursor(cur);
1089 } else if (cmd.button() == mouse_button::button2) {
1091 if (cur.selection())
1092 asArray(lyx::to_utf8(bv.cursor().selectionAsString(false)), ar);
1094 asArray(lyx::to_utf8(bv.owner()->gui().selection().get()), ar);
1097 bv.mouseSetCursor(cur);
1102 void MathNestInset::lfunMouseMotion(LCursor & cur, FuncRequest & cmd)
1104 // only select with button 1
1105 if (cmd.button() == mouse_button::button1) {
1106 LCursor & bvcur = cur.bv().cursor();
1107 if (bvcur.anchor_.hasPart(cur)) {
1108 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1109 bvcur.setCursor(cur);
1110 bvcur.selection() = true;
1111 //lyxerr << "MOTION " << bvcur << endl;
1120 void MathNestInset::lfunMouseRelease(LCursor & cur, FuncRequest & cmd)
1122 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1124 if (cmd.button() == mouse_button::button1) {
1125 //cur.bv().owner()->gui().selection().put(cur.grabSelection());
1129 if (cmd.button() == mouse_button::button3) {
1130 // try to dispatch to enclosed insets first
1131 cur.bv().owner()->getDialogs().show("mathpanel");
1139 bool MathNestInset::interpret(LCursor & cur, char c)
1141 //lyxerr << "interpret 2: '" << c << "'" << endl;
1142 string save_selection;
1143 if (c == '^' || c == '_')
1144 save_selection = grabAndEraseSelection(cur);
1149 if (cur.inMacroMode()) {
1150 string name = cur.macroName();
1152 /// are we currently typing '#1' or '#2' or...?
1153 if (name == "\\#") {
1156 if (n >= 1 && n <= 9)
1157 cur.insert(new MathMacroArgument(n));
1162 cur.activeMacro()->setName(name + c);
1166 // handle 'special char' macros
1171 if (currentMode() == MathInset::TEXT_MODE)
1172 cur.niceInsert(createMathInset("textbackslash"));
1174 cur.niceInsert(createMathInset("backslash"));
1175 } else if (c == '{') {
1177 cur.niceInsert(MathAtom(new MathBraceInset));
1178 } else if (c == '%') {
1180 cur.niceInsert(MathAtom(new MathCommentInset));
1181 } else if (c == '#') {
1182 BOOST_ASSERT(cur.activeMacro());
1183 cur.activeMacro()->setName(name + c);
1186 cur.niceInsert(createMathInset(string(1, c)));
1191 // One character big delimiters. The others are handled in
1192 // the other interpret() method.
1193 latexkeys const * l = in_word_set(name.substr(1));
1194 if (name[0] == '\\' && l && l->inset == "big") {
1204 delim = string(1, c);
1207 if (MathBigInset::isBigInsetDelim(delim)) {
1208 // name + delim ared a valid MathBigInset.
1209 // We can't use cur.macroModeClose() because
1210 // it does not handle delim.
1211 MathUnknownInset * p = cur.activeMacro();
1214 cur.cell().erase(cur.pos());
1215 cur.plainInsert(MathAtom(
1216 new MathBigInset(name.substr(1), delim)));
1221 // leave macro mode and try again if necessary
1222 cur.macroModeClose();
1224 cur.niceInsert(MathAtom(new MathBraceInset));
1230 // This is annoying as one has to press <space> far too often.
1234 // leave autocorrect mode if necessary
1235 if (autocorrect() && c == ' ') {
1236 autocorrect() = false;
1241 // just clear selection on pressing the space bar
1242 if (cur.selection() && c == ' ') {
1243 cur.selection() = false;
1250 //lyxerr << "starting with macro" << endl;
1251 cur.insert(MathAtom(new MathUnknownInset("\\", false)));
1256 if (currentMode() == MathInset::TEXT_MODE)
1262 if (currentMode() == MathInset::TEXT_MODE) {
1263 // insert spaces in text mode,
1264 // but suppress direct insertion of two spaces in a row
1265 // the still allows typing '<space>a<space>' and deleting the 'a', but
1266 // it is better than nothing...
1267 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ')
1271 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1272 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1277 // if are at the very end, leave the formula
1278 return cur.pos() != cur.lastpos();
1281 // These shouldn't work in text mode:
1282 if (currentMode() != MathInset::TEXT_MODE) {
1284 script(cur, false, save_selection);
1288 script(cur, true, save_selection);
1292 cur.niceInsert(createMathInset("sim"));
1297 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1298 c == '%' || c == '_' || c == '^') {
1299 cur.niceInsert(createMathInset(string(1, c)));
1304 // try auto-correction
1305 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1308 // no special circumstances, so insert the character without any fuss
1310 cur.autocorrect() = true;
1315 bool MathNestInset::interpret(LCursor & cur, string const & str)
1317 // Create a MathBigInset from cur.cell()[cur.pos() - 1] and t if
1319 if (!cur.empty() && cur.pos() > 0 &&
1320 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1321 if (MathBigInset::isBigInsetDelim(str)) {
1322 string prev = asString(cur.cell()[cur.pos() - 1]);
1323 if (prev[0] == '\\') {
1324 prev = prev.substr(1);
1325 latexkeys const * l = in_word_set(prev);
1326 if (l && l->inset == "big") {
1327 cur.cell()[cur.pos() - 1] =
1328 MathAtom(new MathBigInset(prev, str));
1338 bool MathNestInset::script(LCursor & cur, bool up, string const &
1341 // Hack to get \^ and \_ working
1342 //lyxerr << "handling script: up: " << up << endl;
1343 if (cur.inMacroMode() && cur.macroName() == "\\") {
1345 cur.niceInsert(createMathInset("mathcircumflex"));
1347 interpret(cur, '_');
1351 cur.macroModeClose();
1352 if (asScriptInset() && cur.idx() == 0) {
1353 // we are in a nucleus of a script inset, move to _our_ script
1354 MathScriptInset * inset = asScriptInset();
1355 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1357 cur.idx() = inset->idxOfScript(up);
1359 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1361 MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
1364 cur.idx() = inset->idxOfScript(up);
1365 cur.pos() = cur.lastpos();
1367 // convert the thing to our left to a scriptinset or create a new
1368 // one if in the very first position of the array
1369 if (cur.pos() == 0) {
1370 //lyxerr << "new scriptinset" << endl;
1371 cur.insert(new MathScriptInset(up));
1373 //lyxerr << "converting prev atom " << endl;
1374 cur.prevAtom() = MathAtom(new MathScriptInset(cur.prevAtom(), up));
1377 MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
1378 // special handling of {}-bases
1379 // is this always correct?
1380 if (inset->nuc().size() == 1
1381 && inset->nuc().back()->asBraceInset())
1382 inset->nuc() = inset->nuc().back()->asNestInset()->cell(0);
1388 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1389 cur.niceInsert(save_selection);
1391 //lyxerr << "inserting selection 2:\n" << save_selection << endl;