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/Clipboard.h"
56 #include "frontends/Painter.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 void 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));
385 void MathNestInset::handleFont
386 (LCursor & cur, string const & arg, string const & font)
388 // this whole function is a hack and won't work for incremental font
390 recordUndo(cur, Undo::ATOMIC);
392 if (cur.inset().asMathInset()->name() == font)
393 cur.handleFont(font);
395 cur.handleNest(createMathInset(font));
401 void MathNestInset::handleFont2(LCursor & cur, string const & arg)
403 recordUndo(cur, Undo::ATOMIC);
406 bv_funcs::string2font(arg, font, b);
407 if (font.color() != LColor::inherit) {
408 MathAtom at = MathAtom(new MathColorInset(true, font.color()));
409 cur.handleNest(at, 0);
414 void MathNestInset::doDispatch(LCursor & cur, FuncRequest & cmd)
416 //lyxerr << "MathNestInset: request: " << cmd << std::endl;
417 //CursorSlice sl = cur.current();
419 switch (cmd.action) {
423 cur.message(_("Paste"));
424 replaceSelection(cur);
426 istringstream is(cmd.argument);
428 string const selection = lyx::cap::getSelection(cur.buffer(), n);
429 cur.niceInsert(selection);
430 cur.clearSelection(); // bug 393
431 cur.bv().switchKeyMap();
438 cutSelection(cur, true, true);
439 cur.message(_("Cut"));
440 // Prevent stale position >= size crash
441 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
447 cur.message(_("Copy"));
450 case LFUN_MOUSE_PRESS:
451 lfunMousePress(cur, cmd);
454 case LFUN_MOUSE_MOTION:
455 lfunMouseMotion(cur, cmd);
458 case LFUN_MOUSE_RELEASE:
459 lfunMouseRelease(cur, cmd);
462 case LFUN_FINISHED_LEFT:
463 cur.bv().cursor() = cur;
466 case LFUN_FINISHED_RIGHT:
468 cur.bv().cursor() = cur;
471 case LFUN_FINISHED_UP:
472 cur.bv().cursor() = cur;
475 case LFUN_FINISHED_DOWN:
477 cur.bv().cursor() = cur;
480 case LFUN_CHAR_FORWARD_SELECT:
481 case LFUN_CHAR_FORWARD:
482 cur.selHandle(cmd.action == LFUN_CHAR_FORWARD_SELECT);
483 cur.autocorrect() = false;
485 cur.macroModeClose();
486 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
487 cur.pushLeft(*cur.nextAtom().nucleus());
488 cur.inset().idxFirst(cur);
489 } else if (cur.posRight() || idxRight(cur)
490 || cur.popRight() || cur.selection())
493 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
498 case LFUN_CHAR_BACKWARD_SELECT:
499 case LFUN_CHAR_BACKWARD:
500 cur.selHandle(cmd.action == LFUN_CHAR_BACKWARD_SELECT);
501 cur.autocorrect() = false;
503 cur.macroModeClose();
504 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
506 cur.push(*cur.nextAtom().nucleus());
507 cur.inset().idxLast(cur);
508 } else if (cur.posLeft() || idxLeft(cur)
509 || cur.popLeft() || cur.selection())
512 cmd = FuncRequest(LFUN_FINISHED_LEFT);
519 // FIXME Tried to use clearTargetX and macroModeClose, crashed on cur.up()
520 if (cur.inMacroMode()) {
522 cur.macroModeClose();
525 cur.selHandle(cmd.action == LFUN_UP_SELECT);
527 cmd = FuncRequest(LFUN_FINISHED_UP);
530 // fixes bug 1598. Please check!
534 case LFUN_DOWN_SELECT:
536 if (cur.inMacroMode()) {
537 cur.macroModeClose();
540 cur.selHandle(cmd.action == LFUN_DOWN_SELECT);
542 cmd = FuncRequest(LFUN_FINISHED_DOWN);
545 // fixes bug 1598. Please check!
549 case LFUN_MOUSE_DOUBLE:
550 case LFUN_MOUSE_TRIPLE:
551 case LFUN_WORD_SELECT:
555 cur.selection() = true;
556 cur.pos() = cur.lastpos();
557 cur.idx() = cur.lastidx();
560 case LFUN_PARAGRAPH_UP_SELECT:
561 case LFUN_PARAGRAPH_UP:
562 case LFUN_PARAGRAPH_DOWN_SELECT:
563 case LFUN_PARAGRAPH_DOWN:
566 case LFUN_LINE_BEGIN_SELECT:
567 case LFUN_LINE_BEGIN:
568 case LFUN_WORD_BACKWARD_SELECT:
569 case LFUN_WORD_BACKWARD:
570 cur.selHandle(cmd.action == LFUN_WORD_BACKWARD_SELECT ||
571 cmd.action == LFUN_LINE_BEGIN_SELECT);
572 cur.macroModeClose();
573 if (cur.pos() != 0) {
575 } else if (cur.col() != 0) {
576 cur.idx() -= cur.col();
578 } else if (cur.idx() != 0) {
582 cmd = FuncRequest(LFUN_FINISHED_LEFT);
587 case LFUN_WORD_FORWARD_SELECT:
588 case LFUN_WORD_FORWARD:
589 case LFUN_LINE_END_SELECT:
591 cur.selHandle(cmd.action == LFUN_WORD_FORWARD_SELECT ||
592 cmd.action == LFUN_LINE_END_SELECT);
593 cur.macroModeClose();
595 if (cur.pos() != cur.lastpos()) {
596 cur.pos() = cur.lastpos();
597 } else if (ncols() && (cur.col() != cur.lastcol())) {
598 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
599 cur.pos() = cur.lastpos();
600 } else if (cur.idx() != cur.lastidx()) {
601 cur.idx() = cur.lastidx();
602 cur.pos() = cur.lastpos();
604 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
609 case LFUN_SCREEN_UP_SELECT:
611 cmd = FuncRequest(LFUN_FINISHED_LEFT);
615 case LFUN_SCREEN_DOWN_SELECT:
616 case LFUN_SCREEN_DOWN:
617 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
621 case LFUN_CELL_FORWARD:
622 cur.inset().idxNext(cur);
625 case LFUN_CELL_BACKWARD:
626 cur.inset().idxPrev(cur);
629 case LFUN_WORD_DELETE_BACKWARD:
630 case LFUN_CHAR_DELETE_BACKWARD:
632 // May affect external cell:
633 recordUndoInset(cur, Undo::ATOMIC);
635 recordUndo(cur, Undo::ATOMIC);
639 case LFUN_WORD_DELETE_FORWARD:
640 case LFUN_CHAR_DELETE_FORWARD:
641 if (cur.pos() == cur.lastpos())
642 // May affect external cell:
643 recordUndoInset(cur, Undo::ATOMIC);
645 recordUndo(cur, Undo::ATOMIC);
651 cur.clearSelection();
653 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
658 case LFUN_INSET_TOGGLE:
661 if (cur.pos() != cur.lastpos()) {
662 // toggle previous inset ...
663 cur.nextAtom().nucleus()->lock(!cur.nextAtom()->lock());
664 } else if (cur.popLeft() && cur.pos() != cur.lastpos()) {
665 // ... or enclosing inset if we are in the last inset position
666 cur.nextAtom().nucleus()->lock(!cur.nextAtom()->lock());
671 case LFUN_SELF_INSERT:
672 if (cmd.argument.size() != 1) {
674 if (!interpret(cur, cmd.argument))
675 cur.insert(cmd.argument);
678 // Don't record undo steps if we are in macro mode and
679 // cmd.argument is the next character of the macro name.
680 // Otherwise we'll get an invalid cursor if we undo after
681 // the macro was finished and the macro is a known command,
682 // e.g. sqrt. LCursor::macroModeClose replaces in this case
683 // the MathUnknownInset with name "frac" by an empty
684 // MathFracInset -> a pos value > 0 is invalid.
685 // A side effect is that an undo before the macro is finished
686 // undoes the complete macro, not only the last character.
687 if (!cur.inMacroMode())
690 // spacial handling of space. If we insert an inset
691 // via macro mode, we want to put the cursor inside it
692 // if relevant. Think typing "\frac<space>".
693 if (cmd.argument[0] == ' '
694 && cur.inMacroMode() && cur.macroName() != "\\"
695 && cur.macroModeClose()) {
696 MathAtom const atom = cur.prevAtom();
697 if (atom->asNestInset() && atom->nargs() > 0) {
699 cur.pushLeft(*cur.nextInset());
701 } else if (!interpret(cur, cmd.argument[0])) {
702 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
707 //case LFUN_SERVER_GET_XY:
708 // sprintf(dispatch_buffer, "%d %d",);
711 case LFUN_SERVER_SET_XY: {
712 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
715 istringstream is(cmd.argument);
717 cur.setScreenPos(x, y);
721 // Special casing for superscript in case of LyX handling
723 case LFUN_ACCENT_CIRCUMFLEX:
724 if (cmd.argument.empty()) {
725 // do superscript if LyX handles
727 recordUndo(cur, Undo::ATOMIC);
728 script(cur, true, grabAndEraseSelection(cur));
732 case LFUN_ACCENT_UMLAUT:
733 case LFUN_ACCENT_ACUTE:
734 case LFUN_ACCENT_GRAVE:
735 case LFUN_ACCENT_BREVE:
736 case LFUN_ACCENT_DOT:
737 case LFUN_ACCENT_MACRON:
738 case LFUN_ACCENT_CARON:
739 case LFUN_ACCENT_TILDE:
740 case LFUN_ACCENT_CEDILLA:
741 case LFUN_ACCENT_CIRCLE:
742 case LFUN_ACCENT_UNDERDOT:
743 case LFUN_ACCENT_TIE:
744 case LFUN_ACCENT_OGONEK:
745 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
749 case LFUN_FONT_FREE_APPLY:
750 case LFUN_FONT_FREE_UPDATE:
751 handleFont2(cur, cmd.argument);
755 if (currentMode() == TEXT_MODE)
756 handleFont(cur, cmd.argument, "textbf");
758 handleFont(cur, cmd.argument, "mathbf");
761 if (currentMode() == TEXT_MODE)
762 handleFont(cur, cmd.argument, "textsf");
764 handleFont(cur, cmd.argument, "mathsf");
767 if (currentMode() == TEXT_MODE)
768 handleFont(cur, cmd.argument, "emph");
770 handleFont(cur, cmd.argument, "mathcal");
772 case LFUN_FONT_ROMAN:
773 if (currentMode() == TEXT_MODE)
774 handleFont(cur, cmd.argument, "textrm");
776 handleFont(cur, cmd.argument, "mathrm");
779 if (currentMode() == TEXT_MODE)
780 handleFont(cur, cmd.argument, "texttt");
782 handleFont(cur, cmd.argument, "mathtt");
785 handleFont(cur, cmd.argument, "mathfrak");
788 if (currentMode() == TEXT_MODE)
789 handleFont(cur, cmd.argument, "textit");
791 handleFont(cur, cmd.argument, "mathit");
794 if (currentMode() == TEXT_MODE)
795 // FIXME: should be "noun"
796 handleFont(cur, cmd.argument, "textsc");
798 handleFont(cur, cmd.argument, "mathbb");
800 //case LFUN_FONT_FREE_APPLY:
801 handleFont(cur, cmd.argument, "textrm");
803 case LFUN_FONT_DEFAULT:
804 handleFont(cur, cmd.argument, "textnormal");
807 case LFUN_MATH_MODE: {
809 // ignore math-mode on when already in math mode
810 if (currentMode() == InsetBase::MATH_MODE && cmd.argument == "on")
812 cur.macroModeClose();
813 string const save_selection = grabAndEraseSelection(cur);
815 //cur.plainInsert(MathAtom(new MathMBoxInset(cur.bv())));
816 cur.plainInsert(MathAtom(new MathBoxInset("mbox")));
818 cur.pushLeft(*cur.nextInset());
819 cur.niceInsert(save_selection);
821 if (currentMode() == InsetBase::TEXT_MODE) {
822 cur.niceInsert(MathAtom(new MathHullInset("simple")));
823 cur.message(_("create new math text environment ($...$)"));
825 handleFont(cur, cmd.argument, "textrm");
826 cur.message(_("entered math text mode (textrm)"));
839 case LFUN_MATH_MATRIX: {
840 recordUndo(cur, Undo::ATOMIC);
845 istringstream is(cmd.argument);
846 is >> m >> n >> v_align >> h_align;
853 MathAtom(new MathArrayInset("array", m, n, v_align[0], h_align)));
857 case LFUN_MATH_DELIM: {
859 string rs = lyx::support::split(cmd.argument, ls, ' ');
860 // Reasonable default values
865 recordUndo(cur, Undo::ATOMIC);
866 cur.handleNest(MathAtom(new MathDelimInset(ls, rs)));
870 case LFUN_MATH_BIGDELIM: {
871 string const lname = cmd.getArg(0);
872 string const ldelim = cmd.getArg(1);
873 string const rname = cmd.getArg(2);
874 string const rdelim = cmd.getArg(3);
875 latexkeys const * l = in_word_set(lname);
876 bool const have_l = l && l->inset == "big" &&
877 MathBigInset::isBigInsetDelim(ldelim);
878 l = in_word_set(rname);
879 bool const have_r = l && l->inset == "big" &&
880 MathBigInset::isBigInsetDelim(rdelim);
881 // We mimic LFUN_MATH_DELIM in case we have an empty left
882 // or right delimiter.
883 if (have_l || have_r) {
884 recordUndo(cur, Undo::ATOMIC);
885 string const selection = grabAndEraseSelection(cur);
888 cur.insert(MathAtom(new MathBigInset(lname,
890 cur.niceInsert(selection);
892 cur.insert(MathAtom(new MathBigInset(rname,
895 // Don't call cur.undispatched() if we did nothing, this would
896 // lead to infinite recursion via LyXText::dispatch().
900 case LFUN_SPACE_INSERT:
901 case LFUN_MATH_SPACE:
902 recordUndo(cur, Undo::ATOMIC);
903 cur.insert(MathAtom(new MathSpaceInset(",")));
906 case LFUN_ERT_INSERT:
907 // interpret this as if a backslash was typed
908 recordUndo(cur, Undo::ATOMIC);
909 interpret(cur, '\\');
912 case LFUN_MATH_SUBSCRIPT:
913 // interpret this as if a _ was typed
914 recordUndo(cur, Undo::ATOMIC);
918 case LFUN_MATH_SUPERSCRIPT:
919 // interpret this as if a ^ was typed
920 recordUndo(cur, Undo::ATOMIC);
924 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
925 // handling such that "self-insert" works on "arbitrary stuff" too, and
926 // math-insert only handles special math things like "matrix".
927 case LFUN_MATH_INSERT: {
928 recordUndo(cur, Undo::ATOMIC);
929 if (cmd.argument == "^" || cmd.argument == "_") {
930 interpret(cur, cmd.argument[0]);
932 cur.niceInsert(cmd.argument);
936 case LFUN_DIALOG_SHOW_NEW_INSET: {
937 string const & name = cmd.argument;
941 data = tmp.createDialogStr(name);
943 cur.bv().owner()->getDialogs().show(name, data, 0);
948 MathDimInset::doDispatch(cur, cmd);
954 bool MathNestInset::getStatus(LCursor & cur, FuncRequest const & cmd,
955 FuncStatus & flag) const
957 // the font related toggles
958 //string tc = "mathnormal";
960 string const arg = cmd.argument;
961 switch (cmd.action) {
962 case LFUN_TABULAR_FEATURE:
966 case LFUN_TABULAR_FEATURE:
967 // FIXME: check temporarily disabled
969 char align = mathcursor::valign();
974 if (cmd.argument.empty()) {
978 if (!contains("tcb", cmd.argument[0])) {
982 flag.setOnOff(cmd.argument[0] == align);
985 /// We have to handle them since 1.4 blocks all unhandled actions
992 case LFUN_FONT_ROMAN:
993 case LFUN_FONT_DEFAULT:
996 case LFUN_MATH_MUTATE:
997 //flag.setOnOff(mathcursor::formula()->hullType() == cmd.argument);
998 flag.setOnOff(false);
1001 // we just need to be in math mode to enable that
1002 case LFUN_MATH_SIZE:
1003 case LFUN_MATH_SPACE:
1004 case LFUN_MATH_LIMITS:
1005 case LFUN_MATH_NONUMBER:
1006 case LFUN_MATH_NUMBER:
1007 case LFUN_MATH_EXTERN:
1011 case LFUN_FONT_FRAK:
1012 flag.enabled(currentMode() != TEXT_MODE);
1015 case LFUN_MATH_INSERT: {
1016 bool const textarg =
1017 arg == "\\textbf" || arg == "\\textsf" ||
1018 arg == "\\textrm" || arg == "\\textmd" ||
1019 arg == "\\textit" || arg == "\\textsc" ||
1020 arg == "\\textsl" || arg == "\\textup" ||
1021 arg == "\\texttt" || arg == "\\textbb" ||
1022 arg == "\\textnormal";
1023 flag.enabled(currentMode() != TEXT_MODE || textarg);
1027 case LFUN_MATH_MATRIX:
1028 flag.enabled(currentMode() == MATH_MODE);
1031 case LFUN_MATH_DELIM:
1032 case LFUN_MATH_BIGDELIM:
1033 // Don't do this with multi-cell selections
1034 flag.enabled(cur.selBegin().idx() == cur.selEnd().idx());
1045 void MathNestInset::edit(LCursor & cur, bool left)
1048 cur.idx() = left ? 0 : cur.lastidx();
1049 cur.pos() = left ? 0 : cur.lastpos();
1051 //lyxerr << "MathNestInset::edit, cur:\n" << cur << endl;
1055 InsetBase * MathNestInset::editXY(LCursor & cur, int x, int y)
1058 int dist_min = 1000000;
1059 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1060 int const d = cell(i).dist(x, y);
1066 MathArray & ar = cell(idx_min);
1068 cur.idx() = idx_min;
1069 cur.pos() = ar.x2pos(x - ar.xo());
1070 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1071 if (dist_min == 0) {
1073 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1074 if (ar[i]->covers(x, y))
1075 return ar[i].nucleus()->editXY(cur, x, y);
1081 void MathNestInset::lfunMousePress(LCursor & cur, FuncRequest & cmd)
1083 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1084 if (cmd.button() == mouse_button::button1) {
1085 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1086 cur.bv().mouseSetCursor(cur);
1089 if (cmd.button() == mouse_button::button2) {
1091 asArray(cur.bv().owner()->gui().clipboard().get(), ar);
1092 cur.clearSelection();
1093 editXY(cur, cmd.x, cmd.y);
1101 void MathNestInset::lfunMouseMotion(LCursor & cur, FuncRequest & cmd)
1103 // only select with button 1
1104 if (cmd.button() == mouse_button::button1) {
1105 LCursor & bvcur = cur.bv().cursor();
1106 if (bvcur.anchor_.hasPart(cur)) {
1107 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1108 bvcur.setCursor(cur);
1109 bvcur.selection() = true;
1110 //lyxerr << "MOTION " << bvcur << endl;
1119 void MathNestInset::lfunMouseRelease(LCursor & cur, FuncRequest & cmd)
1121 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1123 if (cmd.button() == mouse_button::button1) {
1124 //cur.bv().owner()->gui().clipboard().put(cur.grabSelection());
1128 if (cmd.button() == mouse_button::button3) {
1129 // try to dispatch to enclosed insets first
1130 cur.bv().owner()->getDialogs().show("mathpanel");
1138 bool MathNestInset::interpret(LCursor & cur, char c)
1140 //lyxerr << "interpret 2: '" << c << "'" << endl;
1141 string save_selection;
1142 if (c == '^' || c == '_')
1143 save_selection = grabAndEraseSelection(cur);
1148 if (cur.inMacroMode()) {
1149 string name = cur.macroName();
1151 /// are we currently typing '#1' or '#2' or...?
1152 if (name == "\\#") {
1155 if (n >= 1 && n <= 9)
1156 cur.insert(new MathMacroArgument(n));
1161 cur.activeMacro()->setName(name + c);
1165 // handle 'special char' macros
1170 if (currentMode() == MathInset::TEXT_MODE)
1171 cur.niceInsert(createMathInset("textbackslash"));
1173 cur.niceInsert(createMathInset("backslash"));
1174 } else if (c == '{') {
1176 cur.niceInsert(MathAtom(new MathBraceInset));
1177 } else if (c == '%') {
1179 cur.niceInsert(MathAtom(new MathCommentInset));
1180 } else if (c == '#') {
1181 BOOST_ASSERT(cur.activeMacro());
1182 cur.activeMacro()->setName(name + c);
1185 cur.niceInsert(createMathInset(string(1, c)));
1190 // One character big delimiters. The others are handled in
1191 // the other interpret() method.
1192 latexkeys const * l = in_word_set(name.substr(1));
1193 if (name[0] == '\\' && l && l->inset == "big") {
1203 delim = string(1, c);
1206 if (MathBigInset::isBigInsetDelim(delim)) {
1207 // name + delim ared a valid MathBigInset.
1208 // We can't use cur.macroModeClose() because
1209 // it does not handle delim.
1210 MathUnknownInset * p = cur.activeMacro();
1213 cur.cell().erase(cur.pos());
1214 cur.plainInsert(MathAtom(
1215 new MathBigInset(name.substr(1), delim)));
1220 // leave macro mode and try again if necessary
1221 cur.macroModeClose();
1223 cur.niceInsert(MathAtom(new MathBraceInset));
1229 // This is annoying as one has to press <space> far too often.
1233 // leave autocorrect mode if necessary
1234 if (autocorrect() && c == ' ') {
1235 autocorrect() = false;
1240 // just clear selection on pressing the space bar
1241 if (cur.selection() && c == ' ') {
1242 cur.selection() = false;
1249 //lyxerr << "starting with macro" << endl;
1250 cur.insert(MathAtom(new MathUnknownInset("\\", false)));
1255 if (currentMode() == MathInset::TEXT_MODE)
1261 if (currentMode() == MathInset::TEXT_MODE) {
1262 // insert spaces in text mode,
1263 // but suppress direct insertion of two spaces in a row
1264 // the still allows typing '<space>a<space>' and deleting the 'a', but
1265 // it is better than nothing...
1266 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ')
1270 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1271 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1276 // if are at the very end, leave the formula
1277 return cur.pos() != cur.lastpos();
1280 // These shouldn't work in text mode:
1281 if (currentMode() != MathInset::TEXT_MODE) {
1283 script(cur, false, save_selection);
1287 script(cur, true, save_selection);
1291 cur.niceInsert(createMathInset("sim"));
1296 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1297 c == '%' || c == '_' || c == '^') {
1298 cur.niceInsert(createMathInset(string(1, c)));
1303 // try auto-correction
1304 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1307 // no special circumstances, so insert the character without any fuss
1309 cur.autocorrect() = true;
1314 bool MathNestInset::interpret(LCursor & cur, string const & str)
1316 // Create a MathBigInset from cur.cell()[cur.pos() - 1] and t if
1318 if (!cur.empty() && cur.pos() > 0 &&
1319 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1320 if (MathBigInset::isBigInsetDelim(str)) {
1321 string prev = asString(cur.cell()[cur.pos() - 1]);
1322 if (prev[0] == '\\') {
1323 prev = prev.substr(1);
1324 latexkeys const * l = in_word_set(prev);
1325 if (l && l->inset == "big") {
1326 cur.cell()[cur.pos() - 1] =
1327 MathAtom(new MathBigInset(prev, str));
1337 bool MathNestInset::script(LCursor & cur, bool up, string const &
1340 // Hack to get \^ and \_ working
1341 lyxerr << "handling script: up: " << up << endl;
1342 if (cur.inMacroMode() && cur.macroName() == "\\") {
1344 cur.niceInsert(createMathInset("mathcircumflex"));
1346 interpret(cur, '_');
1350 cur.macroModeClose();
1351 if (asScriptInset() && cur.idx() == 0) {
1352 // we are in a nucleus of a script inset, move to _our_ script
1353 MathScriptInset * inset = asScriptInset();
1354 lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1356 cur.idx() = inset->idxOfScript(up);
1358 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1360 MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
1363 cur.idx() = inset->idxOfScript(up);
1364 cur.pos() = cur.lastpos();
1366 // convert the thing to our left to a scriptinset or create a new
1367 // one if in the very first position of the array
1368 if (cur.pos() == 0) {
1369 //lyxerr << "new scriptinset" << endl;
1370 cur.insert(new MathScriptInset(up));
1372 //lyxerr << "converting prev atom " << endl;
1373 cur.prevAtom() = MathAtom(new MathScriptInset(cur.prevAtom(), up));
1376 MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
1381 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1382 cur.niceInsert(save_selection);
1384 //lyxerr << "inserting selection 2:\n" << save_selection << endl;