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) {
424 cur.message(_("Paste"));
425 replaceSelection(cur);
427 istringstream is(cmd.argument);
429 string const selection = lyx::cap::getSelection(cur.buffer(), n);
430 cur.niceInsert(selection);
431 cur.clearSelection(); // bug 393
432 cur.bv().switchKeyMap();
439 cutSelection(cur, true, true);
440 cur.message(_("Cut"));
441 // Prevent stale position >= size crash
442 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
448 cur.message(_("Copy"));
451 case LFUN_MOUSE_PRESS:
452 lfunMousePress(cur, cmd);
455 case LFUN_MOUSE_MOTION:
456 lfunMouseMotion(cur, cmd);
459 case LFUN_MOUSE_RELEASE:
460 lfunMouseRelease(cur, cmd);
463 case LFUN_FINISHED_LEFT:
464 cur.bv().cursor() = cur;
467 case LFUN_FINISHED_RIGHT:
469 cur.bv().cursor() = cur;
472 case LFUN_FINISHED_UP:
473 cur.bv().cursor() = cur;
476 case LFUN_FINISHED_DOWN:
478 cur.bv().cursor() = cur;
481 case LFUN_CHAR_FORWARD_SELECT:
482 case LFUN_CHAR_FORWARD:
483 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
484 cur.autocorrect() = false;
486 cur.macroModeClose();
487 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
488 cur.pushLeft(*cur.nextAtom().nucleus());
489 cur.inset().idxFirst(cur);
490 } else if (cur.posRight() || idxRight(cur)
491 || cur.popRight() || cur.selection())
494 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
499 case LFUN_CHAR_BACKWARD_SELECT:
500 case LFUN_CHAR_BACKWARD:
501 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
502 cur.autocorrect() = false;
504 cur.macroModeClose();
505 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
507 cur.push(*cur.nextAtom().nucleus());
508 cur.inset().idxLast(cur);
509 } else if (cur.posLeft() || idxLeft(cur)
510 || cur.popLeft() || cur.selection())
513 cmd = FuncRequest(LFUN_FINISHED_LEFT);
520 // FIXME Tried to use clearTargetX and macroModeClose, crashed on cur.up()
521 if (cur.inMacroMode()) {
523 cur.macroModeClose();
526 cur.selHandle(cmd.action == LFUN_UP_SELECT);
528 cmd = FuncRequest(LFUN_FINISHED_UP);
531 // fixes bug 1598. Please check!
535 case LFUN_DOWN_SELECT:
537 if (cur.inMacroMode()) {
538 cur.macroModeClose();
541 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
543 cmd = FuncRequest(LFUN_FINISHED_DOWN);
546 // fixes bug 1598. Please check!
550 case LFUN_MOUSE_DOUBLE:
551 case LFUN_MOUSE_TRIPLE:
552 case LFUN_WORD_SELECT:
556 cur.selection() = true;
557 cur.pos() = cur.lastpos();
558 cur.idx() = cur.lastidx();
561 case LFUN_PARAGRAPH_UP_SELECT:
562 case LFUN_PARAGRAPH_UP:
563 case LFUN_PARAGRAPH_DOWN_SELECT:
564 case LFUN_PARAGRAPH_DOWN:
567 case LFUN_LINE_BEGIN_SELECT:
568 case LFUN_LINE_BEGIN:
569 case LFUN_WORD_BACKWARD_SELECT:
570 case LFUN_WORD_BACKWARD:
571 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
572 cmd.action == LFUN_LINE_BEGIN_SELECT);
573 cur.macroModeClose();
574 if (cur.pos() != 0) {
576 } else if (cur.col() != 0) {
577 cur.idx() -= cur.col();
579 } else if (cur.idx() != 0) {
583 cmd = FuncRequest(LFUN_FINISHED_LEFT);
588 case LFUN_WORD_FORWARD_SELECT:
589 case LFUN_WORD_FORWARD:
590 case LFUN_LINE_END_SELECT:
592 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
593 cmd.action == LFUN_LINE_END_SELECT);
594 cur.macroModeClose();
596 if (cur.pos() != cur.lastpos()) {
597 cur.pos() = cur.lastpos();
598 } else if (ncols() && (cur.col() != cur.lastcol())) {
599 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
600 cur.pos() = cur.lastpos();
601 } else if (cur.idx() != cur.lastidx()) {
602 cur.idx() = cur.lastidx();
603 cur.pos() = cur.lastpos();
605 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
610 case LFUN_SCREEN_UP_SELECT:
612 cmd = FuncRequest(LFUN_FINISHED_LEFT);
616 case LFUN_SCREEN_DOWN_SELECT:
617 case LFUN_SCREEN_DOWN:
618 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
622 case LFUN_CELL_FORWARD:
623 cur.inset().idxNext(cur);
626 case LFUN_CELL_BACKWARD:
627 cur.inset().idxPrev(cur);
630 case LFUN_WORD_DELETE_BACKWARD:
631 case LFUN_CHAR_DELETE_BACKWARD:
633 // May affect external cell:
634 recordUndoInset(cur, Undo::ATOMIC);
636 recordUndo(cur, Undo::ATOMIC);
640 case LFUN_WORD_DELETE_FORWARD:
641 case LFUN_CHAR_DELETE_FORWARD:
642 if (cur.pos() == cur.lastpos())
643 // May affect external cell:
644 recordUndoInset(cur, Undo::ATOMIC);
646 recordUndo(cur, Undo::ATOMIC);
652 cur.clearSelection();
654 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
659 case LFUN_INSET_TOGGLE:
665 case LFUN_SELF_INSERT:
666 if (cmd.argument.size() != 1) {
668 if (!interpret(cur, cmd.argument))
669 cur.insert(cmd.argument);
672 // Don't record undo steps if we are in macro mode and
673 // cmd.argument is the next character of the macro name.
674 // Otherwise we'll get an invalid cursor if we undo after
675 // the macro was finished and the macro is a known command,
676 // e.g. sqrt. LCursor::macroModeClose replaces in this case
677 // the MathUnknownInset with name "frac" by an empty
678 // MathFracInset -> a pos value > 0 is invalid.
679 // A side effect is that an undo before the macro is finished
680 // undoes the complete macro, not only the last character.
681 if (!cur.inMacroMode())
684 // spacial handling of space. If we insert an inset
685 // via macro mode, we want to put the cursor inside it
686 // if relevant. Think typing "\frac<space>".
687 if (cmd.argument[0] == ' '
688 && cur.inMacroMode() && cur.macroName() != "\\"
689 && cur.macroModeClose()) {
690 MathAtom const atom = cur.prevAtom();
691 if (atom->asNestInset() && atom->nargs() > 0) {
693 cur.pushLeft(*cur.nextInset());
695 } else if (!interpret(cur, cmd.argument[0])) {
696 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
701 //case LFUN_SERVER_GET_XY:
702 // sprintf(dispatch_buffer, "%d %d",);
705 case LFUN_SERVER_SET_XY: {
706 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
709 istringstream is(cmd.argument);
711 cur.setScreenPos(x, y);
715 // Special casing for superscript in case of LyX handling
717 case LFUN_ACCENT_CIRCUMFLEX:
718 if (cmd.argument.empty()) {
719 // do superscript if LyX handles
721 recordUndo(cur, Undo::ATOMIC);
722 script(cur, true, grabAndEraseSelection(cur));
726 case LFUN_ACCENT_UMLAUT:
727 case LFUN_ACCENT_ACUTE:
728 case LFUN_ACCENT_GRAVE:
729 case LFUN_ACCENT_BREVE:
730 case LFUN_ACCENT_DOT:
731 case LFUN_ACCENT_MACRON:
732 case LFUN_ACCENT_CARON:
733 case LFUN_ACCENT_TILDE:
734 case LFUN_ACCENT_CEDILLA:
735 case LFUN_ACCENT_CIRCLE:
736 case LFUN_ACCENT_UNDERDOT:
737 case LFUN_ACCENT_TIE:
738 case LFUN_ACCENT_OGONEK:
739 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
743 case LFUN_FONT_FREE_APPLY:
744 case LFUN_FONT_FREE_UPDATE:
745 handleFont2(cur, cmd.argument);
749 if (currentMode() == TEXT_MODE)
750 handleFont(cur, cmd.argument, "textbf");
752 handleFont(cur, cmd.argument, "mathbf");
755 if (currentMode() == TEXT_MODE)
756 handleFont(cur, cmd.argument, "textsf");
758 handleFont(cur, cmd.argument, "mathsf");
761 if (currentMode() == TEXT_MODE)
762 handleFont(cur, cmd.argument, "emph");
764 handleFont(cur, cmd.argument, "mathcal");
766 case LFUN_FONT_ROMAN:
767 if (currentMode() == TEXT_MODE)
768 handleFont(cur, cmd.argument, "textrm");
770 handleFont(cur, cmd.argument, "mathrm");
773 if (currentMode() == TEXT_MODE)
774 handleFont(cur, cmd.argument, "texttt");
776 handleFont(cur, cmd.argument, "mathtt");
779 handleFont(cur, cmd.argument, "mathfrak");
782 if (currentMode() == TEXT_MODE)
783 handleFont(cur, cmd.argument, "textit");
785 handleFont(cur, cmd.argument, "mathit");
788 if (currentMode() == TEXT_MODE)
789 // FIXME: should be "noun"
790 handleFont(cur, cmd.argument, "textsc");
792 handleFont(cur, cmd.argument, "mathbb");
794 //case LFUN_FONT_FREE_APPLY:
795 handleFont(cur, cmd.argument, "textrm");
797 case LFUN_FONT_DEFAULT:
798 handleFont(cur, cmd.argument, "textnormal");
801 case LFUN_MATH_MODE: {
803 // ignore math-mode on when already in math mode
804 if (currentMode() == InsetBase::MATH_MODE && cmd.argument == "on")
806 cur.macroModeClose();
807 string const save_selection = grabAndEraseSelection(cur);
809 //cur.plainInsert(MathAtom(new MathMBoxInset(cur.bv())));
810 cur.plainInsert(MathAtom(new MathBoxInset("mbox")));
812 cur.pushLeft(*cur.nextInset());
813 cur.niceInsert(save_selection);
815 if (currentMode() == InsetBase::TEXT_MODE) {
816 cur.niceInsert(MathAtom(new MathHullInset("simple")));
817 cur.message(_("create new math text environment ($...$)"));
819 handleFont(cur, cmd.argument, "textrm");
820 cur.message(_("entered math text mode (textrm)"));
833 case LFUN_MATH_MATRIX: {
834 recordUndo(cur, Undo::ATOMIC);
839 istringstream is(cmd.argument);
840 is >> m >> n >> v_align >> h_align;
847 MathAtom(new MathArrayInset("array", m, n, v_align[0], h_align)));
851 case LFUN_MATH_DELIM: {
853 string rs = lyx::support::split(cmd.argument, ls, ' ');
854 // Reasonable default values
859 recordUndo(cur, Undo::ATOMIC);
860 cur.handleNest(MathAtom(new MathDelimInset(ls, rs)));
864 case LFUN_MATH_BIGDELIM: {
865 string const lname = cmd.getArg(0);
866 string const ldelim = cmd.getArg(1);
867 string const rname = cmd.getArg(2);
868 string const rdelim = cmd.getArg(3);
869 latexkeys const * l = in_word_set(lname);
870 bool const have_l = l && l->inset == "big" &&
871 MathBigInset::isBigInsetDelim(ldelim);
872 l = in_word_set(rname);
873 bool const have_r = l && l->inset == "big" &&
874 MathBigInset::isBigInsetDelim(rdelim);
875 // We mimic LFUN_MATH_DELIM in case we have an empty left
876 // or right delimiter.
877 if (have_l || have_r) {
878 recordUndo(cur, Undo::ATOMIC);
879 string const selection = grabAndEraseSelection(cur);
882 cur.insert(MathAtom(new MathBigInset(lname,
884 cur.niceInsert(selection);
886 cur.insert(MathAtom(new MathBigInset(rname,
889 // Don't call cur.undispatched() if we did nothing, this would
890 // lead to infinite recursion via LyXText::dispatch().
894 case LFUN_SPACE_INSERT:
895 case LFUN_MATH_SPACE:
896 recordUndo(cur, Undo::ATOMIC);
897 cur.insert(MathAtom(new MathSpaceInset(",")));
900 case LFUN_ERT_INSERT:
901 // interpret this as if a backslash was typed
902 recordUndo(cur, Undo::ATOMIC);
903 interpret(cur, '\\');
906 case LFUN_MATH_SUBSCRIPT:
907 // interpret this as if a _ was typed
908 recordUndo(cur, Undo::ATOMIC);
912 case LFUN_MATH_SUPERSCRIPT:
913 // interpret this as if a ^ was typed
914 recordUndo(cur, Undo::ATOMIC);
918 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
919 // handling such that "self-insert" works on "arbitrary stuff" too, and
920 // math-insert only handles special math things like "matrix".
921 case LFUN_MATH_INSERT: {
922 recordUndo(cur, Undo::ATOMIC);
923 if (cmd.argument == "^" || cmd.argument == "_") {
924 interpret(cur, cmd.argument[0]);
926 cur.niceInsert(cmd.argument);
930 case LFUN_DIALOG_SHOW_NEW_INSET: {
931 string const & name = cmd.argument;
935 data = tmp.createDialogStr(name);
937 cur.bv().owner()->getDialogs().show(name, data, 0);
942 MathDimInset::doDispatch(cur, cmd);
948 bool MathNestInset::getStatus(LCursor & cur, FuncRequest const & cmd,
949 FuncStatus & flag) const
951 // the font related toggles
952 //string tc = "mathnormal";
954 string const arg = cmd.argument;
955 switch (cmd.action) {
956 case LFUN_TABULAR_FEATURE:
960 case LFUN_TABULAR_FEATURE:
961 // FIXME: check temporarily disabled
963 char align = mathcursor::valign();
968 if (cmd.argument.empty()) {
972 if (!contains("tcb", cmd.argument[0])) {
976 flag.setOnOff(cmd.argument[0] == align);
979 /// We have to handle them since 1.4 blocks all unhandled actions
986 case LFUN_FONT_ROMAN:
987 case LFUN_FONT_DEFAULT:
990 case LFUN_MATH_MUTATE:
991 //flag.setOnOff(mathcursor::formula()->hullType() == cmd.argument);
992 flag.setOnOff(false);
995 // we just need to be in math mode to enable that
997 case LFUN_MATH_SPACE:
998 case LFUN_MATH_LIMITS:
999 case LFUN_MATH_NONUMBER:
1000 case LFUN_MATH_NUMBER:
1001 case LFUN_MATH_EXTERN:
1005 case LFUN_FONT_FRAK:
1006 flag.enabled(currentMode() != TEXT_MODE);
1009 case LFUN_MATH_INSERT: {
1010 bool const textarg =
1011 arg == "\\textbf" || arg == "\\textsf" ||
1012 arg == "\\textrm" || arg == "\\textmd" ||
1013 arg == "\\textit" || arg == "\\textsc" ||
1014 arg == "\\textsl" || arg == "\\textup" ||
1015 arg == "\\texttt" || arg == "\\textbb" ||
1016 arg == "\\textnormal";
1017 flag.enabled(currentMode() != TEXT_MODE || textarg);
1021 case LFUN_MATH_MATRIX:
1022 flag.enabled(currentMode() == MATH_MODE);
1025 case LFUN_MATH_DELIM:
1026 case LFUN_MATH_BIGDELIM:
1027 // Don't do this with multi-cell selections
1028 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1039 void MathNestInset::edit(LCursor & cur, bool left)
1042 cur.idx() = left ? 0 : cur.lastidx();
1043 cur.pos() = left ? 0 : cur.lastpos();
1045 //lyxerr << "MathNestInset::edit, cur:\n" << cur << endl;
1049 InsetBase * MathNestInset::editXY(LCursor & cur, int x, int y)
1052 int dist_min = 1000000;
1053 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1054 int const d = cell(i).dist(x, y);
1060 MathArray & ar = cell(idx_min);
1062 cur.idx() = idx_min;
1063 cur.pos() = ar.x2pos(x - ar.xo());
1064 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1065 if (dist_min == 0) {
1067 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1068 if (ar[i]->covers(x, y))
1069 return ar[i].nucleus()->editXY(cur, x, y);
1075 void MathNestInset::lfunMousePress(LCursor & cur, FuncRequest & cmd)
1077 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1078 BufferView & bv = cur.bv();
1079 if (cmd.button() == mouse_button::button1) {
1080 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1081 bv.mouseSetCursor(cur);
1082 } else if (cmd.button() == mouse_button::button2) {
1084 if (cur.selection())
1085 asArray(bv.cursor().selectionAsString(false), ar);
1087 asArray(bv.owner()->gui().selection().get(), ar);
1090 bv.mouseSetCursor(cur);
1095 void MathNestInset::lfunMouseMotion(LCursor & cur, FuncRequest & cmd)
1097 // only select with button 1
1098 if (cmd.button() == mouse_button::button1) {
1099 LCursor & bvcur = cur.bv().cursor();
1100 if (bvcur.anchor_.hasPart(cur)) {
1101 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1102 bvcur.setCursor(cur);
1103 bvcur.selection() = true;
1104 //lyxerr << "MOTION " << bvcur << endl;
1113 void MathNestInset::lfunMouseRelease(LCursor & cur, FuncRequest & cmd)
1115 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1117 if (cmd.button() == mouse_button::button1) {
1118 //cur.bv().owner()->gui().selection().put(cur.grabSelection());
1122 if (cmd.button() == mouse_button::button3) {
1123 // try to dispatch to enclosed insets first
1124 cur.bv().owner()->getDialogs().show("mathpanel");
1132 bool MathNestInset::interpret(LCursor & cur, char c)
1134 //lyxerr << "interpret 2: '" << c << "'" << endl;
1135 string save_selection;
1136 if (c == '^' || c == '_')
1137 save_selection = grabAndEraseSelection(cur);
1142 if (cur.inMacroMode()) {
1143 string name = cur.macroName();
1145 /// are we currently typing '#1' or '#2' or...?
1146 if (name == "\\#") {
1149 if (n >= 1 && n <= 9)
1150 cur.insert(new MathMacroArgument(n));
1155 cur.activeMacro()->setName(name + c);
1159 // handle 'special char' macros
1164 if (currentMode() == MathInset::TEXT_MODE)
1165 cur.niceInsert(createMathInset("textbackslash"));
1167 cur.niceInsert(createMathInset("backslash"));
1168 } else if (c == '{') {
1170 cur.niceInsert(MathAtom(new MathBraceInset));
1171 } else if (c == '%') {
1173 cur.niceInsert(MathAtom(new MathCommentInset));
1174 } else if (c == '#') {
1175 BOOST_ASSERT(cur.activeMacro());
1176 cur.activeMacro()->setName(name + c);
1179 cur.niceInsert(createMathInset(string(1, c)));
1184 // One character big delimiters. The others are handled in
1185 // the other interpret() method.
1186 latexkeys const * l = in_word_set(name.substr(1));
1187 if (name[0] == '\\' && l && l->inset == "big") {
1197 delim = string(1, c);
1200 if (MathBigInset::isBigInsetDelim(delim)) {
1201 // name + delim ared a valid MathBigInset.
1202 // We can't use cur.macroModeClose() because
1203 // it does not handle delim.
1204 MathUnknownInset * p = cur.activeMacro();
1207 cur.cell().erase(cur.pos());
1208 cur.plainInsert(MathAtom(
1209 new MathBigInset(name.substr(1), delim)));
1214 // leave macro mode and try again if necessary
1215 cur.macroModeClose();
1217 cur.niceInsert(MathAtom(new MathBraceInset));
1223 // This is annoying as one has to press <space> far too often.
1227 // leave autocorrect mode if necessary
1228 if (autocorrect() && c == ' ') {
1229 autocorrect() = false;
1234 // just clear selection on pressing the space bar
1235 if (cur.selection() && c == ' ') {
1236 cur.selection() = false;
1243 //lyxerr << "starting with macro" << endl;
1244 cur.insert(MathAtom(new MathUnknownInset("\\", false)));
1249 if (currentMode() == MathInset::TEXT_MODE)
1255 if (currentMode() == MathInset::TEXT_MODE) {
1256 // insert spaces in text mode,
1257 // but suppress direct insertion of two spaces in a row
1258 // the still allows typing '<space>a<space>' and deleting the 'a', but
1259 // it is better than nothing...
1260 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ')
1264 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1265 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1270 // if are at the very end, leave the formula
1271 return cur.pos() != cur.lastpos();
1274 // These shouldn't work in text mode:
1275 if (currentMode() != MathInset::TEXT_MODE) {
1277 script(cur, false, save_selection);
1281 script(cur, true, save_selection);
1285 cur.niceInsert(createMathInset("sim"));
1290 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1291 c == '%' || c == '_' || c == '^') {
1292 cur.niceInsert(createMathInset(string(1, c)));
1297 // try auto-correction
1298 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1301 // no special circumstances, so insert the character without any fuss
1303 cur.autocorrect() = true;
1308 bool MathNestInset::interpret(LCursor & cur, string const & str)
1310 // Create a MathBigInset from cur.cell()[cur.pos() - 1] and t if
1312 if (!cur.empty() && cur.pos() > 0 &&
1313 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1314 if (MathBigInset::isBigInsetDelim(str)) {
1315 string prev = asString(cur.cell()[cur.pos() - 1]);
1316 if (prev[0] == '\\') {
1317 prev = prev.substr(1);
1318 latexkeys const * l = in_word_set(prev);
1319 if (l && l->inset == "big") {
1320 cur.cell()[cur.pos() - 1] =
1321 MathAtom(new MathBigInset(prev, str));
1331 bool MathNestInset::script(LCursor & cur, bool up, string const &
1334 // Hack to get \^ and \_ working
1335 //lyxerr << "handling script: up: " << up << endl;
1336 if (cur.inMacroMode() && cur.macroName() == "\\") {
1338 cur.niceInsert(createMathInset("mathcircumflex"));
1340 interpret(cur, '_');
1344 cur.macroModeClose();
1345 if (asScriptInset() && cur.idx() == 0) {
1346 // we are in a nucleus of a script inset, move to _our_ script
1347 MathScriptInset * inset = asScriptInset();
1348 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1350 cur.idx() = inset->idxOfScript(up);
1352 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1354 MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
1357 cur.idx() = inset->idxOfScript(up);
1358 cur.pos() = cur.lastpos();
1360 // convert the thing to our left to a scriptinset or create a new
1361 // one if in the very first position of the array
1362 if (cur.pos() == 0) {
1363 //lyxerr << "new scriptinset" << endl;
1364 cur.insert(new MathScriptInset(up));
1366 //lyxerr << "converting prev atom " << endl;
1367 cur.prevAtom() = MathAtom(new MathScriptInset(cur.prevAtom(), up));
1370 MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
1375 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1376 cur.niceInsert(save_selection);
1378 //lyxerr << "inserting selection 2:\n" << save_selection << endl;