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_braceinset.h"
17 #include "math_commentinset.h"
18 #include "math_data.h"
19 #include "math_deliminset.h"
20 #include "math_factory.h"
21 #include "math_hullinset.h"
22 #include "math_mathmlstream.h"
23 #include "math_macroarg.h"
24 #include "math_mboxinset.h"
25 #include "math_parser.h"
26 #include "math_scriptinset.h"
27 #include "math_spaceinset.h"
28 #include "math_symbolinset.h"
29 #include "math_support.h"
30 #include "math_unknowninset.h"
32 #include "BufferView.h"
33 #include "CutAndPaste.h"
34 #include "FuncStatus.h"
36 #include "bufferview_funcs.h"
39 #include "dispatchresult.h"
40 #include "funcrequest.h"
42 #include "outputparams.h"
45 #include "support/lstrings.h"
47 #include "frontends/Dialogs.h"
48 #include "frontends/LyXView.h"
49 #include "frontends/Painter.h"
53 using lyx::cap::copySelection;
54 using lyx::cap::grabAndEraseSelection;
55 using lyx::cap::cutSelection;
56 using lyx::cap::pasteSelection;
57 using lyx::cap::replaceSelection;
58 using lyx::cap::selClearOrDel;
62 using std::istringstream;
77 MathNestInset::MathNestInset(idx_type nargs)
78 : cells_(nargs), lock_(false)
82 MathInset::idx_type MathNestInset::nargs() const
88 MathArray & MathNestInset::cell(idx_type i)
94 MathArray const & MathNestInset::cell(idx_type i) const
100 void MathNestInset::getCursorPos(LCursor const & cur, int & x, int & y) const
102 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
103 MathArray const & ar = cur.cell();
104 x = ar.xo() + ar.pos2x(cur.pos());
105 y = ar.yo() + cur.bv().top_y();
106 // move cursor visually into empty cells ("blue rectangles");
107 if (cur.cell().empty())
112 void MathNestInset::metrics(MetricsInfo const & mi) const
115 for (idx_type i = 0; i < nargs(); ++i)
120 bool MathNestInset::idxNext(LCursor & cur) const
122 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
123 if (cur.idx() == cur.lastidx())
131 bool MathNestInset::idxRight(LCursor & cur) const
137 bool MathNestInset::idxPrev(LCursor & cur) const
139 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
143 cur.pos() = cur.lastpos();
148 bool MathNestInset::idxLeft(LCursor & cur) const
154 bool MathNestInset::idxFirst(LCursor & cur) const
156 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
165 bool MathNestInset::idxLast(LCursor & cur) const
167 BOOST_ASSERT(ptr_cmp(&cur.inset(), this));
170 cur.idx() = cur.lastidx();
171 cur.pos() = cur.lastpos();
176 void MathNestInset::dump() const
178 WriteStream os(lyxerr);
179 os << "---------------------------------------------\n";
182 for (idx_type i = 0; i < nargs(); ++i)
183 os << cell(i) << "\n";
184 os << "---------------------------------------------\n";
188 void MathNestInset::draw(PainterInfo & pi, int x, int y) const
192 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
195 setPosCache(pi, x, y);
199 void MathNestInset::drawSelection(PainterInfo & pi, int, int) const
201 // this should use the x/y values given, not the cached values
202 LCursor & cur = pi.base.bv->cursor();
203 if (!cur.selection())
205 if (!ptr_cmp(&cur.inset(), this))
207 CursorSlice s1 = cur.selBegin();
208 CursorSlice s2 = cur.selEnd();
209 //lyxerr << "MathNestInset::drawing selection: "
210 // << " s1: " << s1 << " s2: " << s2 << endl;
211 if (s1.idx() == s2.idx()) {
212 MathArray const & c = cell(s1.idx());
213 int x1 = c.xo() + c.pos2x(s1.pos());
214 int y1 = c.yo() - c.ascent();
215 int x2 = c.xo() + c.pos2x(s2.pos());
216 int y2 = c.yo() + c.descent();
217 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
218 //lyxerr << "MathNestInset::drawing selection 3: "
219 // << " x1: " << x1 << " x2: " << x2
220 // << " y1: " << y1 << " y2: " << y2 << endl;
222 for (idx_type i = 0; i < nargs(); ++i) {
223 if (idxBetween(i, s1.idx(), s2.idx())) {
224 MathArray const & c = cell(i);
226 int y1 = c.yo() - c.ascent();
227 int x2 = c.xo() + c.width();
228 int y2 = c.yo() + c.descent();
229 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, LColor::selection);
236 void MathNestInset::validate(LaTeXFeatures & features) const
238 for (idx_type i = 0; i < nargs(); ++i)
239 cell(i).validate(features);
243 void MathNestInset::replace(ReplaceData & rep)
245 for (idx_type i = 0; i < nargs(); ++i)
246 cell(i).replace(rep);
250 bool MathNestInset::contains(MathArray const & ar) const
252 for (idx_type i = 0; i < nargs(); ++i)
253 if (cell(i).contains(ar))
259 bool MathNestInset::lock() const
265 void MathNestInset::lock(bool l)
271 bool MathNestInset::isActive() const
277 MathArray MathNestInset::glue() const
280 for (size_t i = 0; i < nargs(); ++i)
286 void MathNestInset::write(WriteStream & os) const
288 os << '\\' << name().c_str();
289 for (size_t i = 0; i < nargs(); ++i)
290 os << '{' << cell(i) << '}';
292 os.pendingSpace(true);
293 if (lock_ && !os.latex()) {
295 os.pendingSpace(true);
300 void MathNestInset::normalize(NormalStream & os) const
302 os << '[' << name().c_str();
303 for (size_t i = 0; i < nargs(); ++i)
304 os << ' ' << cell(i);
309 int MathNestInset::latex(Buffer const &, std::ostream & os,
310 OutputParams const & runparams) const
312 WriteStream wi(os, runparams.moving_arg, true);
318 void MathNestInset::notifyCursorLeaves(LCursor & /*cur*/)
324 MathArray & ar = cur.cell();
325 // remove base-only "scripts"
326 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
327 MathScriptInset * p = operator[](i).nucleus()->asScriptInset();
328 if (p && p->nargs() == 1) {
329 MathArray ar = p->nuc();
332 cur.adjust(i, ar.size() - 1);
336 // glue adjacent font insets of the same kind
337 for (pos_type i = 0; i + 1 < size(); ++i) {
338 MathFontInset * p = operator[](i).nucleus()->asFontInset();
339 MathFontInset const * q = operator[](i + 1)->asFontInset();
340 if (p && q && p->name() == q->name()) {
341 p->cell(0).append(q->cell(0));
350 void MathNestInset::handleFont
351 (LCursor & cur, string const & arg, string const & font)
353 // this whole function is a hack and won't work for incremental font
355 recordUndo(cur, Undo::ATOMIC);
357 if (cur.inset().asMathInset()->name() == font)
358 cur.handleFont(font);
360 cur.handleNest(createMathInset(font));
366 void MathNestInset::handleFont2(LCursor & cur, string const & arg)
368 recordUndo(cur, Undo::ATOMIC);
371 bv_funcs::string2font(arg, font, b);
372 if (font.color() != LColor::inherit) {
373 MathAtom at = createMathInset("color");
374 asArray(lcolor.getGUIName(font.color()), at.nucleus()->cell(0));
375 cur.handleNest(at, 1);
380 void MathNestInset::priv_dispatch(LCursor & cur, FuncRequest & cmd)
382 //lyxerr << "MathNestInset: request: " << cmd << std::endl;
383 //CursorSlice sl = cur.current();
385 switch (cmd.action) {
389 cur.message(_("Paste"));
390 replaceSelection(cur);
392 istringstream is(cmd.argument.c_str());
394 pasteSelection(cur, n);
395 cur.clearSelection(); // bug 393
396 cur.bv().switchKeyMap();
402 cutSelection(cur, true, true);
403 cur.message(_("Cut"));
408 cur.message(_("Copy"));
411 case LFUN_MOUSE_PRESS:
412 lfunMousePress(cur, cmd);
415 case LFUN_MOUSE_MOTION:
416 lfunMouseMotion(cur, cmd);
419 case LFUN_MOUSE_RELEASE:
420 lfunMouseRelease(cur, cmd);
423 case LFUN_FINISHED_LEFT:
424 cur.bv().cursor() = cur;
427 case LFUN_FINISHED_RIGHT:
429 cur.bv().cursor() = cur;
432 case LFUN_FINISHED_UP:
433 cur.bv().cursor() = cur;
436 case LFUN_FINISHED_DOWN:
437 cur.bv().cursor() = cur;
442 cur.selHandle(cmd.action == LFUN_RIGHTSEL);
443 cur.autocorrect() = false;
445 cur.macroModeClose();
446 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
447 cur.pushLeft(*cur.nextAtom().nucleus());
448 cur.inset().idxFirst(cur);
449 } else if (cur.posRight() || idxRight(cur)
450 || cur.popRight() || cur.selection())
453 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
458 cur.selHandle(cmd.action == LFUN_LEFTSEL);
459 cur.autocorrect() = false;
461 cur.macroModeClose();
462 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
464 cur.push(*cur.nextAtom().nucleus());
465 cur.inset().idxLast(cur);
466 } else if (cur.posLeft() || idxLeft(cur)
467 || cur.popLeft() || cur.selection())
470 cmd = FuncRequest(LFUN_FINISHED_LEFT);
475 cur.selHandle(cmd.action == LFUN_UPSEL);
477 cmd = FuncRequest(LFUN_FINISHED_UP);
482 cur.selHandle(cmd.action == LFUN_DOWNSEL);
484 cmd = FuncRequest(LFUN_FINISHED_DOWN);
487 case LFUN_MOUSE_DOUBLE:
488 case LFUN_MOUSE_TRIPLE:
493 cur.selection() = true;
494 cur.pos() = cur.lastpos();
495 cur.idx() = cur.lastidx();
498 case LFUN_UP_PARAGRAPHSEL:
499 case LFUN_UP_PARAGRAPH:
500 case LFUN_DOWN_PARAGRAPHSEL:
501 case LFUN_DOWN_PARAGRAPH:
506 case LFUN_WORDLEFTSEL:
508 cur.selHandle(cmd.action == LFUN_WORDLEFTSEL || cmd.action == LFUN_HOMESEL);
509 cur.macroModeClose();
510 if (cur.pos() != 0) {
512 } else if (cur.col() != 0) {
513 cur.idx() -= cur.col();
515 } else if (cur.idx() != 0) {
519 cmd = FuncRequest(LFUN_FINISHED_LEFT);
523 case LFUN_WORDRIGHTSEL:
527 cur.selHandle(cmd.action == LFUN_WORDRIGHTSEL || cmd.action == LFUN_ENDSEL);
528 cur.macroModeClose();
530 if (cur.pos() != cur.lastpos()) {
531 cur.pos() = cur.lastpos();
532 } else if (cur.col() != cur.lastcol()) {
533 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
534 cur.pos() = cur.lastpos();
535 } else if (cur.idx() != cur.lastidx()) {
536 cur.idx() = cur.lastidx();
537 cur.pos() = cur.lastpos();
539 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
545 case LFUN_BEGINNINGBUFSEL:
546 case LFUN_BEGINNINGBUF:
547 cmd = FuncRequest(LFUN_FINISHED_LEFT);
554 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
557 case LFUN_CELL_FORWARD:
558 cur.inset().idxNext(cur);
561 case LFUN_CELL_BACKWARD:
562 cur.inset().idxPrev(cur);
565 case LFUN_DELETE_WORD_BACKWARD:
567 recordUndo(cur, Undo::ATOMIC);
571 case LFUN_DELETE_WORD_FORWARD:
575 cmd = FuncRequest(LFUN_FINISHED_LEFT);
580 cur.clearSelection();
582 cmd = FuncRequest(LFUN_FINISHED_LEFT);
585 case LFUN_INSET_TOGGLE:
588 if (cur.pos() != cur.lastpos()) {
589 // toggle previous inset ...
590 cur.nextAtom().nucleus()->lock(!cur.nextAtom()->lock());
591 } else if (cur.popLeft() && cur.pos() != cur.lastpos()) {
592 // ... or enclosing inset if we are in the last inset position
593 cur.nextAtom().nucleus()->lock(!cur.nextAtom()->lock());
598 case LFUN_SELFINSERT:
600 if (cmd.argument.size() != 1) {
601 cur.insert(cmd.argument);
604 if (!interpret(cur, cmd.argument[0]))
605 cmd = FuncRequest(LFUN_FINISHED_RIGHT);
609 // sprintf(dispatch_buffer, "%d %d",);
613 lyxerr << "LFUN_SETXY broken!" << endl;
616 istringstream is(cmd.argument.c_str());
618 cur.setScreenPos(x, y);
622 // Special casing for superscript in case of LyX handling
624 case LFUN_CIRCUMFLEX:
625 if (cmd.argument.empty()) {
626 // do superscript if LyX handles
628 recordUndo(cur, Undo::ATOMIC);
646 case LFUN_HUNG_UMLAUT:
650 case LFUN_FREEFONT_APPLY:
651 case LFUN_FREEFONT_UPDATE:
652 handleFont2(cur, cmd.argument);
656 handleFont(cur, cmd.argument, "mathbf");
659 handleFont(cur, cmd.argument, "mathsf");
662 handleFont(cur, cmd.argument, "mathcal");
665 handleFont(cur, cmd.argument, "mathrm");
668 handleFont(cur, cmd.argument, "texttt");
671 handleFont(cur, cmd.argument, "mathfrak");
674 handleFont(cur, cmd.argument, "mathit");
677 handleFont(cur, cmd.argument, "mathbb");
679 //case LFUN_FREEFONT_APPLY:
680 handleFont(cur, cmd.argument, "textrm");
683 handleFont(cur, cmd.argument, "textnormal");
688 cur.macroModeClose();
690 cur.plainInsert(MathAtom(new MathMBoxInset(cur.bv())));
692 cur.pushLeft(*cur.nextInset());
694 if (currentMode() == InsetBase::TEXT_MODE) {
695 cur.niceInsert(MathAtom(new MathHullInset("simple")));
696 cur.message(_("create new math text environment ($...$)"));
698 handleFont(cur, cmd.argument, "textrm");
699 cur.message(_("entered math text mode (textrm)"));
711 case LFUN_INSERT_MATRIX: {
712 recordUndo(cur, Undo::ATOMIC);
717 istringstream is(cmd.argument);
718 is >> m >> n >> v_align >> h_align;
725 MathAtom(new MathArrayInset("array", m, n, v_align[0], h_align)));
729 case LFUN_MATH_DELIM: {
730 lyxerr << "MathNestInset::LFUN_MATH_DELIM" << endl;
732 string rs = lyx::support::split(cmd.argument, ls, ' ');
733 // Reasonable default values
738 recordUndo(cur, Undo::ATOMIC);
739 cur.handleNest(MathAtom(new MathDelimInset(ls, rs)));
743 case LFUN_SPACE_INSERT:
744 case LFUN_MATH_SPACE:
745 recordUndo(cur, Undo::ATOMIC);
746 cur.insert(MathAtom(new MathSpaceInset(",")));
750 // interpret this as if a backslash was typed
751 recordUndo(cur, Undo::ATOMIC);
752 interpret(cur, '\\');
755 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
756 // handling such that "self-insert" works on "arbitrary stuff" too, and
757 // math-insert only handles special math things like "matrix".
758 case LFUN_INSERT_MATH:
759 recordUndo(cur, Undo::ATOMIC);
760 cur.niceInsert(cmd.argument);
763 case LFUN_DIALOG_SHOW_NEW_INSET: {
764 string const & name = cmd.argument;
769 data = tmp.createDialogStr(name);
772 cur.bv().owner()->getDialogs().show(name, data, 0);
776 case LFUN_INSET_APPLY: {
777 string const name = cmd.getArg(0);
778 InsetBase * base = cur.bv().owner()->getDialogs().getOpenInset(name);
781 FuncRequest fr(LFUN_INSET_MODIFY, cmd.argument);
782 base->dispatch(cur, fr);
786 if (createMathInset_fromDialogStr(cmd.argument, ar)) {
795 MathDimInset::priv_dispatch(cur, cmd);
801 bool MathNestInset::getStatus(LCursor & /*cur*/, FuncRequest const & cmd,
802 FuncStatus & flag) const
804 // the font related toggles
805 //string tc = "mathnormal";
807 switch (cmd.action) {
809 case LFUN_TABULAR_FEATURE:
810 // FIXME: check temporarily disabled
812 char align = mathcursor::valign();
817 if (cmd.argument.empty()) {
821 if (!contains("tcb", cmd.argument[0])) {
825 flag.setOnOff(cmd.argument[0] == align);
828 flag.setOnOff(tc == "mathbf");
831 flag.setOnOff(tc == "mathsf");
834 flag.setOnOff(tc == "mathcal");
837 flag.setOnOff(tc == "mathrm");
840 flag.setOnOff(tc == "mathtt");
843 flag.setOnOff(tc == "mathbb");
846 flag.setOnOff(tc == "mathnormal");
849 case LFUN_MATH_MUTATE:
850 //flag.setOnOff(mathcursor::formula()->hullType() == cmd.argument);
851 flag.setOnOff(false);
854 // we just need to be in math mode to enable that
856 case LFUN_MATH_SPACE:
857 case LFUN_MATH_LIMITS:
858 case LFUN_MATH_NONUMBER:
859 case LFUN_MATH_NUMBER:
860 case LFUN_MATH_EXTERN:
872 void MathNestInset::edit(LCursor & cur, bool left)
875 cur.idx() = left ? 0 : cur.lastidx();
876 cur.pos() = left ? 0 : cur.lastpos();
878 lyxerr << "MathNestInset::edit, cur:\n" << cur << endl;
882 InsetBase * MathNestInset::editXY(LCursor & cur, int x, int y)
885 int dist_min = 1000000;
886 for (idx_type i = 0; i < nargs(); ++i) {
887 int d = cell(i).dist(x, y);
893 MathArray & ar = cell(idx_min);
896 cur.pos() = ar.x2pos(x - ar.xo());
897 lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
900 for (pos_type i = 0, n = ar.size(); i < n; ++i)
901 if (ar[i]->covers(x, y))
902 return ar[i].nucleus()->editXY(cur, x, y);
908 void MathNestInset::lfunMouseRelease(LCursor & cur, FuncRequest & cmd)
910 //lyxerr << "lfunMouseRelease: buttons: " << cmd.button() << endl;
912 if (cmd.button() == mouse_button::button1) {
913 // try to dispatch to enclosed insets first
914 //cur.bv().stuffClipboard(cur.grabSelection());
918 if (cmd.button() == mouse_button::button2) {
920 asArray(cur.bv().getClipboard(), ar);
921 cur.clearSelection();
922 cur.setScreenPos(cmd.x, cmd.y);
928 if (cmd.button() == mouse_button::button3) {
929 // try to dispatch to enclosed insets first
930 cur.bv().owner()->getDialogs().show("mathpanel");
938 void MathNestInset::lfunMousePress(LCursor & cur, FuncRequest & cmd)
940 lyxerr << "lfunMousePress: buttons: " << cmd.button() << endl;
941 if (cmd.button() == mouse_button::button1) {
944 //cur.setScreenPos(cmd.x + xo_, cmd.y + yo_);
945 lyxerr << "lfunMousePress: setting cursor to: " << cur << endl;
947 cur.bv().cursor() = cur;
950 if (cmd.button() == mouse_button::button2) {
951 cur.dispatch(FuncRequest(LFUN_PASTESELECTION));
956 void MathNestInset::lfunMouseMotion(LCursor & cur, FuncRequest & cmd)
958 // only select with button 1
959 if (cmd.button() != mouse_button::button1)
962 if (abs(cmd.x - first_x) < 2 && abs(cmd.y - first_y) < 2)
968 cur.bv().cursor().setCursor(cur, true);
972 bool MathNestInset::interpret(LCursor & cur, char c)
974 lyxerr << "interpret 2: '" << c << "'" << endl;
978 if (cur.inMacroMode()) {
979 string name = cur.macroName();
980 lyxerr << "interpret macro name: '" << name << "'" << endl;
982 /// are we currently typing '#1' or '#2' or...?
986 if (n >= 1 && n <= 9)
987 cur.insert(new MathMacroArgument(n));
992 cur.activeMacro()->setName(name + c);
996 // handle 'special char' macros
1001 if (currentMode() == MathInset::TEXT_MODE)
1002 cur.niceInsert(createMathInset("textbackslash"));
1004 cur.niceInsert(createMathInset("backslash"));
1005 } else if (c == '{') {
1007 cur.niceInsert(MathAtom(new MathBraceInset));
1008 } else if (c == '%') {
1010 cur.niceInsert(MathAtom(new MathCommentInset));
1011 } else if (c == '#') {
1012 lyxerr << "setting name to " << name + c << endl;
1013 BOOST_ASSERT(cur.activeMacro());
1014 cur.activeMacro()->setName(name + c);
1015 lyxerr << "set name to " << name + c << endl;
1018 cur.niceInsert(createMathInset(string(1, c)));
1023 // leave macro mode and try again if necessary
1024 cur.macroModeClose();
1026 cur.niceInsert(MathAtom(new MathBraceInset));
1032 // This is annoying as one has to press <space> far too often.
1036 // leave autocorrect mode if necessary
1037 if (autocorrect() && c == ' ') {
1038 autocorrect() = false;
1043 // just clear selection on pressing the space bar
1044 if (cur.selection() && c == ' ') {
1045 cur.selection() = false;
1052 //lyxerr << "starting with macro" << endl;
1053 cur.insert(MathAtom(new MathUnknownInset("\\", false)));
1058 if (currentMode() == MathInset::TEXT_MODE)
1064 if (currentMode() == MathInset::TEXT_MODE) {
1065 // insert spaces in text mode,
1066 // but suppress direct insertion of two spaces in a row
1067 // the still allows typing '<space>a<space>' and deleting the 'a', but
1068 // it is better than nothing...
1069 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ')
1073 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1074 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1079 // if are at the very end, leave the formula
1080 return cur.pos() != cur.lastpos();
1093 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' || c == '%') {
1094 cur.niceInsert(createMathInset(string(1, c)));
1099 cur.niceInsert(createMathInset("sim"));
1103 // try auto-correction
1104 //if (autocorrect() && hasPrevAtom() && math_autocorrect(prevAtom(), c))
1107 // no special circumstances, so insert the character without any fuss
1109 cur.autocorrect() = true;
1114 bool MathNestInset::script(LCursor & cur, bool up)
1116 // Hack to get \^ and \_ working
1117 lyxerr << "handling script: up: " << up << endl;
1118 if (cur.inMacroMode() && cur.macroName() == "\\") {
1120 cur.niceInsert(createMathInset("mathcircumflex"));
1122 interpret(cur, '_');
1126 cur.macroModeClose();
1127 string safe = grabAndEraseSelection(cur);
1128 if (asScriptInset() && cur.idx() == 0) {
1129 // we are in a nucleus of a script inset, move to _our_ script
1130 MathScriptInset * inset = asScriptInset();
1131 lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1133 cur.idx() = inset->idxOfScript(up);
1135 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1137 MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
1139 cur.idx() = inset->idxOfScript(up);
1140 cur.pos() = cur.lastpos();
1142 // convert the thing to our left to a scriptinset or create a new
1143 // one if in the very first position of the array
1144 if (cur.pos() == 0) {
1145 lyxerr << "new scriptinset" << endl;
1146 cur.insert(new MathScriptInset(up));
1148 lyxerr << "converting prev atom " << endl;
1149 cur.prevAtom() = MathAtom(new MathScriptInset(cur.prevAtom(), up));
1151 lyxerr << "new scriptinset 2: cur:\n" << cur << endl;
1153 lyxerr << "new scriptinset 3: cur:\n" << cur << endl;
1154 MathScriptInset * inset = cur.nextAtom().nucleus()->asScriptInset();
1155 lyxerr << "new scriptinset 3: inset:\n" << inset << endl;
1160 lyxerr << "pasting 1: safe:\n" << safe << endl;
1163 lyxerr << "pasting 2: safe:\n" << safe << endl;