2 * \file InsetMathNest.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * Full author contact details are available in file CREDITS.
13 #include "InsetMathNest.h"
15 #include "InsetMathArray.h"
16 #include "InsetMathAMSArray.h"
17 #include "InsetMathBig.h"
18 #include "InsetMathBox.h"
19 #include "InsetMathBrace.h"
20 #include "InsetMathChar.h"
21 #include "InsetMathColor.h"
22 #include "InsetMathComment.h"
23 #include "InsetMathDelim.h"
24 #include "InsetMathEnsureMath.h"
25 #include "InsetMathHull.h"
26 #include "InsetMathRef.h"
27 #include "InsetMathScript.h"
28 #include "InsetMathSpace.h"
29 #include "InsetMathSymbol.h"
30 #include "InsetMathUnknown.h"
31 #include "MathAutoCorrect.h"
32 #include "MathCompletionList.h"
33 #include "MathFactory.h"
34 #include "InsetMathMacro.h"
35 #include "InsetMathMacroArgument.h"
36 #include "MathParser.h"
37 #include "MathStream.h"
38 #include "MathSupport.h"
41 #include "BufferParams.h"
42 #include "BufferView.h"
43 #include "CoordCache.h"
45 #include "CutAndPaste.h"
46 #include "DispatchResult.h"
48 #include "FuncRequest.h"
49 #include "FuncStatus.h"
50 #include "LaTeXFeatures.h"
53 #include "MetricsInfo.h"
57 #include "frontends/Application.h"
58 #include "frontends/Clipboard.h"
59 #include "frontends/Painter.h"
60 #include "frontends/Selection.h"
62 #include "support/debug.h"
63 #include "support/docstream.h"
64 #include "support/gettext.h"
65 #include "support/lassert.h"
66 #include "support/lstrings.h"
67 #include "support/textutils.h"
73 using namespace lyx::support;
77 using cap::copySelection;
78 using cap::grabAndEraseSelection;
79 using cap::cutSelection;
80 using cap::replaceSelection;
81 using cap::selClearOrDel;
84 InsetMathNest::InsetMathNest(Buffer * buf, idx_type nargs)
85 : InsetMath(buf), cells_(nargs), lock_(false)
87 // FIXME This should not really be necessary, but when we are
88 // initializing the table of global macros, we create macros
89 // with no associated Buffer.
95 InsetMathNest::InsetMathNest(InsetMathNest const & inset)
96 : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_)
100 InsetMathNest::~InsetMathNest()
102 map<BufferView const *, bool>::iterator it = mouse_hover_.begin();
103 map<BufferView const *, bool>::iterator end = mouse_hover_.end();
104 for (; it != end; ++it)
106 it->first->clearLastInset(this);
110 InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
112 cells_ = inset.cells_;
114 mouse_hover_.clear();
115 InsetMath::operator=(inset);
120 void InsetMathNest::setBuffer(Buffer & buffer)
122 InsetMath::setBuffer(buffer);
123 for (MathData & data : cells_)
124 data.setBuffer(buffer);
128 idx_type InsetMathNest::nargs() const
130 return cells_.size();
134 void InsetMathNest::cursorPos(BufferView const & bv,
135 CursorSlice const & sl, bool /*boundary*/,
136 int & x, int & y) const
138 // FIXME: This is a hack. Ideally, the coord cache should not store
139 // absolute positions, but relative ones. This would mean to call
140 // setXY() not in MathData::draw(), but in the parent insets' draw()
141 // with the correctly adjusted x,y values. But this means that we'd have
142 // to touch all (math)inset's draw() methods. Right now, we'll store
143 // absolute value, and make them here relative, only to make them
144 // absolute again when actually drawing the cursor. What a mess.
145 LASSERT(&sl.inset() == this, return);
146 MathData const & ar = sl.cell();
147 CoordCache const & coord_cache = bv.coordCache();
148 if (!coord_cache.getArrays().has(&ar)) {
149 // this can (semi-)legally happen if we just created this cell
150 // and it never has been drawn before. So don't ASSERT.
151 //lyxerr << "no cached data for array " << &ar << endl;
156 Point const pt = coord_cache.getArrays().xy(&ar);
157 if (!coord_cache.getInsets().has(this)) {
159 //lyxerr << "no cached data for inset " << this << endl;
164 Point const pt2 = coord_cache.getInsets().xy(this);
165 //lyxerr << "retrieving position cache for MathData "
166 // << pt.x_ << ' ' << pt.y_ << endl;
167 x = pt.x_ - pt2.x_ + ar.pos2x(&bv, sl.pos());
169 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
170 // << " asc: " << ascent() << " des: " << descent()
171 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
172 // move cursor visually into empty cells ("blue rectangles");
174 Dimension const dim = coord_cache.getArrays().dim(&ar);
180 void InsetMathNest::cellsMetrics(MetricsInfo const & mi) const
183 for (auto const & cell : cells_) {
185 cell.metrics(m, dim);
190 void InsetMathNest::updateBuffer(ParIterator const & it, UpdateType utype, bool const deleted)
192 for (idx_type i = 0, n = nargs(); i != n; ++i)
193 cell(i).updateBuffer(it, utype, deleted);
198 bool InsetMathNest::idxNext(Cursor & cur) const
200 LASSERT(&cur.inset() == this, return false);
201 if (cur.idx() == cur.lastidx())
209 bool InsetMathNest::idxForward(Cursor & cur) const
215 bool InsetMathNest::idxPrev(Cursor & cur) const
217 LASSERT(&cur.inset() == this, return false);
221 cur.pos() = lyxrc.mac_like_cursor_movement ? cur.lastpos() : 0;
226 bool InsetMathNest::idxBackward(Cursor & cur) const
232 bool InsetMathNest::idxFirst(Cursor & cur) const
234 LASSERT(&cur.inset() == this, return false);
237 cur.idx() = firstIdx();
243 bool InsetMathNest::idxLast(Cursor & cur) const
245 LASSERT(&cur.inset() == this, return false);
248 cur.idx() = lastIdx();
249 cur.pos() = cur.lastpos();
254 void InsetMathNest::dump() const
256 odocstringstream oss;
257 otexrowstream ots(oss);
258 TeXMathStream os(ots);
259 os << "---------------------------------------------\n";
262 for (idx_type i = 0, n = nargs(); i != n; ++i)
263 os << cell(i) << "\n";
264 os << "---------------------------------------------\n";
265 lyxerr << to_utf8(oss.str());
269 void InsetMathNest::draw(PainterInfo &, int, int) const
273 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
279 void InsetMathNest::validate(LaTeXFeatures & features) const
281 for (idx_type i = 0; i < nargs(); ++i)
282 cell(i).validate(features);
286 void InsetMathNest::replace(ReplaceData & rep)
288 for (idx_type i = 0; i < nargs(); ++i)
289 cell(i).replace(rep);
293 bool InsetMathNest::contains(MathData const & ar) const
295 for (idx_type i = 0; i < nargs(); ++i)
296 if (cell(i).contains(ar))
302 bool InsetMathNest::lock() const
308 void InsetMathNest::lock(bool l)
314 bool InsetMathNest::isActive() const
320 MathData InsetMathNest::glue() const
323 for (size_t i = 0; i < nargs(); ++i)
329 void InsetMathNest::write(TeXMathStream & os) const
331 MathEnsurer ensurer(os, currentMode() == MATH_MODE);
332 ModeSpecifier specifier(os, currentMode(), lockedMode());
333 docstring const latex_name = name();
334 os << '\\' << latex_name;
335 os.inMathClass(asClassInset());
336 for (size_t i = 0; i < nargs(); ++i) {
337 Changer dummy = os.changeRowEntry(TexRow::mathEntry(id(),i));
338 os << '{' << cell(i) << '}';
341 os.pendingSpace(true);
342 if (lock_ && !os.latex()) {
344 os.pendingSpace(true);
346 os.inMathClass(false);
350 void InsetMathNest::normalize(NormalStream & os) const
353 for (size_t i = 0; i < nargs(); ++i)
354 os << ' ' << cell(i);
359 void InsetMathNest::latex(otexstream & os, OutputParams const & runparams) const
361 TeXMathStream wi(os, runparams.moving_arg, true,
362 runparams.dryrun ? TeXMathStream::wsDryrun : TeXMathStream::wsDefault,
364 wi.strikeoutMath(runparams.inDeletedInset);
365 if (runparams.inulemcmd) {
366 wi.ulemCmd(TeXMathStream::UNDERLINE);
367 if (runparams.local_font) {
368 FontInfo f = runparams.local_font->fontInfo();
369 if (f.strikeout() == FONT_ON)
370 wi.ulemCmd(TeXMathStream::STRIKEOUT);
373 wi.canBreakLine(os.canBreakLine());
374 Changer dummy = wi.changeRowEntry(TexRow::textEntry(runparams.lastid,
377 // Reset parbreak and command termination status after a math inset.
379 os.canBreakLine(wi.canBreakLine());
380 os.terminateCommand(false);
384 bool InsetMathNest::setMouseHover(BufferView const * bv, bool mouse_hover)
387 mouse_hover_[bv] = mouse_hover;
392 bool InsetMathNest::notifyCursorLeaves(Cursor const & /*old*/, Cursor & /*cur*/)
396 MathData & ar = cur.cell();
397 // remove base-only "scripts"
398 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
399 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
400 if (p && p->nargs() == 1) {
401 MathData ar = p->nuc();
404 cur.adjust(i, ar.size() - 1);
408 // glue adjacent font insets of the same kind
409 for (pos_type i = 0; i + 1 < size(); ++i) {
410 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
411 InsetMathFont const * q = operator[](i + 1)->asFontInset();
412 if (p && q && p->name() == q->name()) {
413 p->cell(0).append(q->cell(0));
423 void InsetMathNest::handleFont
424 (Cursor & cur, docstring const & arg, char const * const font)
426 handleFont(cur, arg, from_ascii(font));
430 void InsetMathNest::handleFont(Cursor & cur, docstring const & arg,
431 docstring const & font)
433 cur.recordUndoSelection();
435 // this whole function is a hack and won't work for incremental font
437 if (cur.inset().asInsetMath()->name() == font)
438 cur.handleFont(to_utf8(font));
440 handleNest(cur, createInsetMath(font, cur.buffer()), arg);
444 void InsetMathNest::handleNest(Cursor & cur, MathAtom const & nest)
446 handleNest(cur, nest, docstring());
450 void InsetMathNest::handleNest(Cursor & cur, MathAtom const & nest,
451 docstring const & arg)
453 DocIterator const i1 = cur.selectionBegin();
454 DocIterator const i2 = cur.selectionEnd();
455 if (!i1.inset().asInsetMath())
457 if (i1.idx() == i2.idx()) {
458 // the easy case where only one cell is selected
459 cur.handleNest(nest);
464 // multiple selected cells in a simple non-grid inset
465 if (i1.inset().nrows() == 0 || i1.inset().ncols() == 0) {
466 for (idx_type i = i1.idx(); i <= i2.idx(); ++i) {
472 cur.pos() = cur.lastpos();
476 cur.handleNest(nest);
482 // the complicated case with multiple selected cells in a grid
485 cap::region(i1.top(), i2.top(), r1, r2, c1, c2);
486 for (row_type row = r1; row <= r2; ++row) {
487 for (col_type col = c1; col <= c2; ++col) {
490 cur.idx() = i1.inset().index(row, col);
493 cur.pos() = cur.lastpos();
497 cur.handleNest(nest);
504 void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
506 cur.recordUndoSelection();
509 font.fromString(to_utf8(arg), b);
510 if (font.fontInfo().color() != Color_inherit &&
511 font.fontInfo().color() != Color_ignore)
512 handleNest(cur, MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color())));
514 // FIXME: support other font changes here as well?
517 void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
519 //LYXERR0("InsetMathNest: request: " << cmd);
521 Parse::flags parseflg = Parse::QUIET | Parse::USETEXT;
523 FuncCode const act = cmd.action();
526 case LFUN_CLIPBOARD_PASTE:
527 parseflg |= Parse::VERBATIM;
530 if (cur.currentMode() != MATH_MODE)
531 parseflg |= Parse::TEXTMODE;
532 cur.recordUndoSelection();
533 cur.message(_("Paste"));
534 replaceSelection(cur);
536 if (cmd.argument().empty() && !theClipboard().isInternal())
537 topaste = theClipboard().getAsText(frontend::Clipboard::PlainTextType);
540 idocstringstream is(cmd.argument());
542 topaste = cap::selection(n, make_pair(buffer().params().documentClassPtr(),
543 buffer().params().authors()));
545 cur.niceInsert(topaste, parseflg, false);
546 cur.clearSelection(); // bug 393
547 cur.forceBufferUpdate();
554 cutSelection(cur, true);
555 cur.message(_("Cut"));
556 // Prevent stale position >= size crash
557 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
559 cur.forceBufferUpdate();
562 case LFUN_MOUSE_PRESS:
563 lfunMousePress(cur, cmd);
566 case LFUN_MOUSE_MOTION:
567 lfunMouseMotion(cur, cmd);
570 case LFUN_MOUSE_RELEASE:
571 lfunMouseRelease(cur, cmd);
574 case LFUN_FINISHED_LEFT: // in math, left is backwards
575 case LFUN_FINISHED_BACKWARD:
576 cur.bv().cursor() = cur;
579 case LFUN_FINISHED_RIGHT: // in math, right is forward
580 case LFUN_FINISHED_FORWARD:
582 cur.bv().cursor() = cur;
585 case LFUN_WORD_RIGHT:
587 case LFUN_WORD_BACKWARD:
588 case LFUN_WORD_FORWARD:
589 case LFUN_CHAR_RIGHT:
591 case LFUN_CHAR_BACKWARD:
592 case LFUN_CHAR_FORWARD:
593 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
595 case LFUN_WORD_RIGHT_SELECT:
596 case LFUN_WORD_LEFT_SELECT:
597 case LFUN_WORD_BACKWARD_SELECT:
598 case LFUN_WORD_FORWARD_SELECT:
599 case LFUN_CHAR_RIGHT_SELECT:
600 case LFUN_CHAR_LEFT_SELECT:
601 case LFUN_CHAR_BACKWARD_SELECT:
602 case LFUN_CHAR_FORWARD_SELECT: {
603 // are we in a selection?
604 bool select = (act == LFUN_WORD_RIGHT_SELECT
605 || act == LFUN_WORD_LEFT_SELECT
606 || act == LFUN_WORD_BACKWARD_SELECT
607 || act == LFUN_WORD_FORWARD_SELECT
608 || act == LFUN_CHAR_RIGHT_SELECT
609 || act == LFUN_CHAR_LEFT_SELECT
610 || act == LFUN_CHAR_BACKWARD_SELECT
611 || act == LFUN_CHAR_FORWARD_SELECT);
613 bool word = (act == LFUN_WORD_RIGHT_SELECT
614 || act == LFUN_WORD_LEFT_SELECT
615 || act == LFUN_WORD_BACKWARD_SELECT
616 || act == LFUN_WORD_FORWARD_SELECT
617 || act == LFUN_WORD_RIGHT
618 || act == LFUN_WORD_LEFT
619 || act == LFUN_WORD_BACKWARD
620 || act == LFUN_WORD_FORWARD);
621 // are we moving forward or backwards?
622 // If the command was RIGHT or LEFT, then whether we're moving forward
623 // or backwards depends on the cursor movement mode (logical or visual):
624 // * in visual mode, since math is always LTR, right -> forward,
626 // * in logical mode, the mapping is determined by the
627 // reverseDirectionNeeded() function
630 FuncCode finish_lfun;
632 if (act == LFUN_CHAR_FORWARD
633 || act == LFUN_CHAR_FORWARD_SELECT
634 || act == LFUN_WORD_FORWARD
635 || act == LFUN_WORD_FORWARD_SELECT) {
637 finish_lfun = LFUN_FINISHED_FORWARD;
639 else if (act == LFUN_CHAR_BACKWARD
640 || act == LFUN_CHAR_BACKWARD_SELECT
641 || act == LFUN_WORD_BACKWARD
642 || act == LFUN_WORD_BACKWARD_SELECT) {
644 finish_lfun = LFUN_FINISHED_BACKWARD;
647 bool right = (act == LFUN_CHAR_RIGHT_SELECT
648 || act == LFUN_CHAR_RIGHT
649 || act == LFUN_WORD_RIGHT_SELECT
650 || act == LFUN_WORD_RIGHT);
651 if (lyxrc.visual_cursor || !cur.reverseDirectionNeeded())
657 finish_lfun = LFUN_FINISHED_RIGHT;
659 finish_lfun = LFUN_FINISHED_LEFT;
661 // Now that we know exactly what we want to do, let's do it!
662 cur.selHandle(select);
664 cur.macroModeClose();
665 // try moving forward or backwards as necessary...
666 if (!(forward ? cur.mathForward(word) : cur.mathBackward(word))) {
667 // ... and if movement failed, then finish forward or backwards
669 cmd = FuncRequest(finish_lfun);
677 case LFUN_PARAGRAPH_UP:
678 case LFUN_PARAGRAPH_DOWN:
679 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
681 case LFUN_DOWN_SELECT:
683 case LFUN_PARAGRAPH_UP_SELECT:
684 case LFUN_PARAGRAPH_DOWN_SELECT: {
685 // close active macro
686 if (cur.inMacroMode()) {
687 cur.macroModeClose();
691 // stop/start the selection
692 bool select = act == LFUN_DOWN_SELECT
693 || act == LFUN_UP_SELECT
694 || act == LFUN_PARAGRAPH_DOWN_SELECT
695 || act == LFUN_PARAGRAPH_UP_SELECT;
696 cur.selHandle(select);
699 bool up = act == LFUN_UP || act == LFUN_UP_SELECT
700 || act == LFUN_PARAGRAPH_UP || act == LFUN_PARAGRAPH_UP_SELECT;
701 bool successful = cur.upDownInMath(up);
705 if (cur.fixIfBroken())
706 // FIXME: Something bad happened. We pass the corrected Cursor
707 // instead of letting things go worse.
710 // We did not manage to move the cursor.
715 case LFUN_MOUSE_DOUBLE:
716 case LFUN_WORD_SELECT:
718 cur.bv().mouseSetCursor(cur);
719 cur.pos() = cur.lastpos();
720 cur.bv().mouseSetCursor(cur, true);
723 case LFUN_MOUSE_TRIPLE:
726 cur.bv().mouseSetCursor(cur);
727 cur.idx() = cur.lastidx();
728 cur.pos() = cur.lastpos();
729 cur.bv().mouseSetCursor(cur, true);
732 case LFUN_LINE_BEGIN:
733 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
735 case LFUN_LINE_BEGIN_SELECT:
736 cur.selHandle(act == LFUN_WORD_BACKWARD_SELECT ||
737 act == LFUN_WORD_LEFT_SELECT ||
738 act == LFUN_LINE_BEGIN_SELECT);
739 cur.macroModeClose();
740 if (cur.pos() != 0) {
742 } else if (cur.col() != 0) {
743 cur.idx() -= cur.col();
745 } else if (cur.idx() != 0) {
749 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
755 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
757 case LFUN_LINE_END_SELECT:
758 cur.selHandle(act == LFUN_WORD_FORWARD_SELECT ||
759 act == LFUN_WORD_RIGHT_SELECT ||
760 act == LFUN_LINE_END_SELECT);
761 cur.macroModeClose();
763 if (cur.pos() != cur.lastpos()) {
764 cur.pos() = cur.lastpos();
765 } else if (ncols() && (cur.col() != cur.lastcol())) {
766 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
767 cur.pos() = cur.lastpos();
768 } else if (cur.idx() != cur.lastidx()) {
769 cur.idx() = cur.lastidx();
770 cur.pos() = cur.lastpos();
772 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
777 case LFUN_CELL_FORWARD:
778 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
779 cur.selHandle(false);
781 cur.macroModeClose();
782 if (!cur.inset().idxNext(cur)) {
783 if (cur.lastidx() == 0)
786 cur.idx() = firstIdx();
792 case LFUN_CELL_BACKWARD:
793 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
794 cur.selHandle(false);
796 cur.macroModeClose();
797 if (!cur.inset().idxPrev(cur)) {
798 if (cur.lastidx() == 0)
801 cur.idx() = cur.lastidx();
802 cur.pos() = lyxrc.mac_like_cursor_movement ? cur.lastpos() : 0;
807 case LFUN_WORD_DELETE_BACKWARD:
808 case LFUN_CHAR_DELETE_BACKWARD:
810 // May affect external cell:
811 cur.recordUndoInset();
812 else if (!cur.inMacroMode())
813 cur.recordUndoSelection();
814 // if the inset can not be removed from within, delete it
815 if (!cur.backspace(cmd.getArg(0) == "force")) {
816 FuncRequest newcmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD, "force");
817 cur.innerText()->dispatch(cur, newcmd);
821 case LFUN_WORD_DELETE_FORWARD:
822 case LFUN_CHAR_DELETE_FORWARD:
823 if (cur.pos() == cur.lastpos())
824 // May affect external cell:
825 cur.recordUndoInset();
827 cur.recordUndoSelection();
828 // if the inset can not be removed from within, delete it
829 if (!cur.erase(cmd.getArg(0) == "force")) {
830 FuncRequest newcmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD, "force");
831 cur.innerText()->dispatch(cur, newcmd);
837 cur.clearSelection();
839 if (cur.inMacroMode())
840 cur.macroModeClose(true);
842 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
848 // 'Locks' the math inset. A 'locked' math inset behaves as a unit
849 // that is traversed by a single <CursorLeft>/<CursorRight>.
850 case LFUN_INSET_TOGGLE:
856 case LFUN_SELF_INSERT:
857 // special case first for big delimiters
858 if (cmd.argument().size() != 1 && interpretString(cur, cmd.argument()))
861 for (char_type c : cmd.argument()) {
862 // Don't record undo steps if we are in macro mode and thus
863 // cmd.argument is the next character of the macro name.
864 // Otherwise we'll get an invalid cursor if we undo after
865 // the macro was finished and the macro is a known command,
866 // e.g. sqrt. Cursor::macroModeClose replaces in this case
867 // the InsetMathUnknown with name "frac" by an empty
868 // InsetMathFrac -> a pos value > 0 is invalid.
869 // A side effect is that an undo before the macro is finished
870 // undoes the complete macro, not only the last character.
871 // At the time we hit '\' we are not in macro mode, still.
872 if (!cur.inMacroMode())
873 cur.recordUndoSelection();
875 // special handling of space. If we insert an inset
876 // via macro mode, we want to put the cursor inside it
877 // if relevant. Think typing "\frac<space>".
879 && cur.inMacroMode() && cur.macroName() != "\\"
880 && cur.macroModeClose() && cur.pos() > 0)
881 cur.editInsertedInset();
882 else if (!interpretChar(cur, c)) {
883 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
885 // FIXME: can we avoid skipping the end of the string?
891 //case LFUN_SERVER_GET_XY:
894 case LFUN_SERVER_SET_XY: {
895 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
898 istringstream is(to_utf8(cmd.argument()));
904 // Special casing for superscript in case of LyX handling
906 case LFUN_ACCENT_CIRCUMFLEX:
907 if (cmd.argument().empty()) {
908 // do superscript if LyX handles
910 cur.recordUndoInset();
911 script(cur, true, grabAndEraseSelection(cur));
915 case LFUN_ACCENT_UMLAUT:
916 case LFUN_ACCENT_ACUTE:
917 case LFUN_ACCENT_GRAVE:
918 case LFUN_ACCENT_BREVE:
919 case LFUN_ACCENT_DOT:
920 case LFUN_ACCENT_MACRON:
921 case LFUN_ACCENT_CARON:
922 case LFUN_ACCENT_TILDE:
923 case LFUN_ACCENT_CEDILLA:
924 case LFUN_ACCENT_CIRCLE:
925 case LFUN_ACCENT_UNDERDOT:
926 case LFUN_ACCENT_TIE:
927 case LFUN_ACCENT_OGONEK:
928 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
932 case LFUN_TEXTSTYLE_APPLY:
933 case LFUN_TEXTSTYLE_UPDATE:
934 handleFont2(cur, cmd.argument());
938 if (currentMode() != MATH_MODE)
939 handleFont(cur, cmd.argument(), "textbf");
941 handleFont(cur, cmd.argument(), "mathbf");
943 case LFUN_FONT_BOLDSYMBOL:
944 if (currentMode() != MATH_MODE)
945 handleFont(cur, cmd.argument(), "textbf");
947 handleFont(cur, cmd.argument(), "boldsymbol");
950 if (currentMode() != MATH_MODE)
951 handleFont(cur, cmd.argument(), "textsf");
953 handleFont(cur, cmd.argument(), "mathsf");
956 if (currentMode() != MATH_MODE)
957 handleFont(cur, cmd.argument(), "emph");
959 handleFont(cur, cmd.argument(), "mathcal");
961 case LFUN_FONT_ROMAN:
962 if (currentMode() != MATH_MODE)
963 handleFont(cur, cmd.argument(), "textrm");
965 handleFont(cur, cmd.argument(), "mathrm");
967 case LFUN_FONT_TYPEWRITER:
968 if (currentMode() != MATH_MODE)
969 handleFont(cur, cmd.argument(), "texttt");
971 handleFont(cur, cmd.argument(), "mathtt");
974 handleFont(cur, cmd.argument(), "mathfrak");
977 if (currentMode() != MATH_MODE)
978 handleFont(cur, cmd.argument(), "textit");
980 handleFont(cur, cmd.argument(), "mathit");
983 if (currentMode() != MATH_MODE)
984 // FIXME: should be "noun"
985 handleFont(cur, cmd.argument(), "textsc");
987 handleFont(cur, cmd.argument(), "mathbb");
989 case LFUN_FONT_DEFAULT:
990 handleFont(cur, cmd.argument(), "textnormal");
992 case LFUN_FONT_UNDERLINE:
994 cur.handleNest(createInsetMath("underline", cur.buffer()));
997 case LFUN_MATH_MODE: {
999 // ignore math-mode on when already in math mode
1000 if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
1002 cur.recordUndoSelection();
1003 cur.macroModeClose();
1004 docstring const save_selection = grabAndEraseSelection(cur);
1006 if (currentMode() != Inset::MATH_MODE)
1007 cur.plainInsert(MathAtom(new InsetMathEnsureMath(buffer_)));
1009 cur.plainInsert(createInsetMath("text", buffer_));
1011 cur.pushBackward(*cur.nextInset());
1012 cur.niceInsert(save_selection);
1013 cur.forceBufferUpdate();
1015 if (currentMode() == Inset::TEXT_MODE) {
1016 cur.recordUndoSelection();
1017 cur.niceInsert(MathAtom(new InsetMathHull("simple", cur.buffer())));
1018 cur.message(_("create new math text environment ($...$)"));
1020 handleFont(cur, cmd.argument(), "textrm");
1021 cur.message(_("entered math text mode (textrm)"));
1027 case LFUN_REGEXP_MODE: {
1028 InsetMath * im = cur.inset().asInsetMath();
1030 InsetMathHull * i = im->asHullInset();
1031 if (i && i->getType() == hullRegexp) {
1032 cur.message(_("Already in regular expression mode"));
1036 cur.macroModeClose();
1037 docstring const save_selection = grabAndEraseSelection(cur);
1039 cur.plainInsert(MathAtom(new InsetMathHull(buffer_, hullRegexp)));
1041 cur.pushBackward(*cur.nextInset());
1042 cur.niceInsert(save_selection);
1043 cur.message(_("Regular expression editor mode"));
1047 case LFUN_MATH_FONT_STYLE: {
1048 FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, '\\' + cmd.argument());
1049 doDispatch(cur, fr);
1053 case LFUN_MATH_SIZE: {
1054 FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, cmd.argument());
1055 doDispatch(cur, fr);
1059 case LFUN_MATH_MATRIX: {
1065 idocstringstream is(cmd.argument());
1066 is >> m >> n >> v_align >> h_align;
1072 cur.niceInsert(MathAtom(new InsetMathArray(buffer_,
1073 from_ascii("array"), m, n, (char)v_align[0], h_align)));
1077 case LFUN_MATH_AMS_MATRIX: {
1081 docstring name = from_ascii("matrix");
1082 idocstringstream is(cmd.argument());
1083 is >> m >> n >> name;
1088 // check if we have a valid decoration
1089 if (name != "pmatrix" && name != "bmatrix"
1090 && name != "Bmatrix" && name != "vmatrix"
1091 && name != "Vmatrix" && name != "matrix"
1092 && name != "smallmatrix")
1093 name = from_ascii("matrix");
1096 MathAtom(new InsetMathAMSArray(buffer_, name, m, n)));
1100 case LFUN_MATH_DELIM: {
1102 docstring rs = split(cmd.argument(), ls, ' ');
1103 // Reasonable default values
1109 cur.handleNest(MathAtom(new InsetMathDelim(buffer_, ls, rs)));
1113 case LFUN_MATH_BIGDELIM: {
1114 docstring const lname = from_utf8(cmd.getArg(0));
1115 docstring const ldelim = from_utf8(cmd.getArg(1));
1116 docstring const rname = from_utf8(cmd.getArg(2));
1117 docstring const rdelim = from_utf8(cmd.getArg(3));
1118 latexkeys const * l = in_word_set(lname);
1119 bool const have_l = l && l->inset == "big" &&
1120 InsetMathBig::isBigInsetDelim(ldelim);
1121 l = in_word_set(rname);
1122 bool const have_r = l && l->inset == "big" &&
1123 InsetMathBig::isBigInsetDelim(rdelim);
1124 // We mimic LFUN_MATH_DELIM in case we have an empty left
1125 // or right delimiter.
1126 if (have_l || have_r) {
1128 docstring const selection = grabAndEraseSelection(cur);
1131 cur.insert(MathAtom(new InsetMathBig(lname,
1133 // first insert the right delimiter and then go back
1134 // and re-insert the selection (bug 7088)
1136 cur.insert(MathAtom(new InsetMathBig(rname,
1140 cur.niceInsert(selection);
1142 // Don't call cur.undispatched() if we did nothing, this would
1143 // lead to infinite recursion via Text::dispatch().
1147 case LFUN_SPACE_INSERT: {
1148 cur.recordUndoSelection();
1149 string const name = cmd.getArg(0);
1150 if (name == "normal")
1151 cur.insert(MathAtom(new InsetMathSpace(" ", "")));
1152 else if (name == "protected")
1153 cur.insert(MathAtom(new InsetMathSpace("~", "")));
1154 else if (name == "thin" || name == "med" || name == "thick")
1155 cur.insert(MathAtom(new InsetMathSpace(name + "space", "")));
1156 else if (name == "hfill*")
1157 cur.insert(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
1158 else if (name == "quad" || name == "qquad" ||
1159 name == "enspace" || name == "enskip" ||
1160 name == "negthinspace" || name == "negmedspace" ||
1161 name == "negthickspace" || name == "hfill")
1162 cur.insert(MathAtom(new InsetMathSpace(name, "")));
1163 else if (name == "hspace" || name == "hspace*") {
1164 string const len = cmd.getArg(1);
1165 if (len.empty() || !isValidLength(len)) {
1166 lyxerr << "LyX function 'space-insert " << name << "' "
1167 "needs a valid length argument." << endl;
1170 cur.insert(MathAtom(new InsetMathSpace(name, len)));
1172 cur.insert(MathAtom(new InsetMathSpace));
1176 case LFUN_MATH_SPACE:
1177 cur.recordUndoSelection();
1178 if (cmd.argument().empty())
1179 cur.insert(MathAtom(new InsetMathSpace));
1181 string const name = cmd.getArg(0);
1182 string const len = cmd.getArg(1);
1183 cur.insert(MathAtom(new InsetMathSpace(name, len)));
1187 case LFUN_ERT_INSERT:
1188 // interpret this as if a backslash was typed
1190 interpretChar(cur, '\\');
1193 case LFUN_MATH_SUBSCRIPT:
1194 // interpret this as if a _ was typed
1195 cur.recordUndoSelection();
1196 interpretChar(cur, '_');
1199 case LFUN_MATH_SUPERSCRIPT:
1200 // interpret this as if a ^ was typed
1201 cur.recordUndoSelection();
1202 interpretChar(cur, '^');
1205 case LFUN_MATH_MACRO_FOLD:
1206 case LFUN_MATH_MACRO_UNFOLD: {
1208 bool fold = act == LFUN_MATH_MACRO_FOLD;
1209 bool found = findMacroToFoldUnfold(it, fold);
1211 InsetMathMacro * macro = it.nextInset()->asInsetMath()->asMacro();
1212 cur.recordUndoInset();
1221 case LFUN_QUOTE_INSERT:
1222 // interpret this as if a straight " was typed
1223 cur.recordUndoSelection();
1224 interpretChar(cur, '\"');
1227 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
1228 // handling such that "self-insert" works on "arbitrary stuff" too, and
1229 // math-insert only handles special math things like "matrix".
1230 case LFUN_MATH_INSERT: {
1231 cur.recordUndoSelection();
1232 if (cmd.argument() == "^" || cmd.argument() == "_")
1233 interpretChar(cur, cmd.argument()[0]);
1234 else if (!cur.selection())
1235 cur.niceInsert(cmd.argument());
1237 MathData ar(cur.buffer());
1238 asArray(cmd.argument(), ar);
1240 && ar[0]->asNestInset()
1241 && ar[0]->asNestInset()->nargs() > 1)
1242 handleNest(cur, ar[0]);
1244 cur.niceInsert(cmd.argument());
1249 case LFUN_DIALOG_SHOW_NEW_INSET: {
1250 docstring const & name = cmd.argument();
1252 if (name == "ref") {
1253 InsetMathRef tmp(buffer_, name);
1254 data = tmp.createDialogStr();
1255 cur.bv().showDialog(to_utf8(name), data);
1256 } else if (name == "mathspace") {
1257 cur.bv().showDialog(to_utf8(name));
1262 case LFUN_INSET_INSERT: {
1264 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
1265 cur.recordUndoSelection();
1267 cur.forceBufferUpdate();
1272 case LFUN_INSET_DISSOLVE:
1273 if (!asHullInset()) {
1274 cur.recordUndoInset();
1279 case LFUN_MATH_LIMITS: {
1281 if (cur.pos() < cur.lastpos() && cur.nextMath().allowsLimitsChange())
1282 in = &cur.nextMath();
1283 else if (cur.pos() > 0 && cur.prevMath().allowsLimitsChange())
1284 in = &cur.prevMath();
1285 else if (cur.lastpos() > 0 && cur.cell().back()->allowsLimitsChange())
1286 in = cur.cell().back().nucleus();
1287 // only when nucleus allows this
1290 cur.recordUndoInset();
1291 if (!cmd.argument().empty()) {
1292 if (cmd.argument() == "limits")
1294 else if (cmd.argument() == "nolimits")
1295 in->limits(NO_LIMITS);
1297 in->limits(AUTO_LIMITS);
1298 } else if (in->limits() != AUTO_LIMITS)
1299 in->limits(AUTO_LIMITS);
1300 else if (in->defaultLimits(cur.cell().displayStyle()) == LIMITS)
1301 in->limits(NO_LIMITS);
1307 case LFUN_PHANTOM_INSERT: {
1308 docstring const & arg = cmd.argument();
1310 if (arg == "Phantom")
1311 newarg = from_ascii("\\phantom");
1312 else if (arg == "HPhantom")
1313 newarg = from_ascii("\\hphantom");
1314 else if (arg == "VPhantom")
1315 newarg = from_ascii("\\vphantom");
1317 LYXERR0("Unknown phantom type " + newarg);
1319 FuncRequest const newfunc(LFUN_MATH_INSERT, newarg);
1320 lyx::dispatch(newfunc);
1326 InsetMath::doDispatch(cur, cmd);
1332 bool InsetMathNest::findMacroToFoldUnfold(Cursor & it, bool fold) const {
1333 // look for macro to open/close, but stay in mathed
1334 for (; !it.empty(); it.pop_back()) {
1336 // go backward through the current cell
1337 Inset * inset = it.nextInset();
1338 while (inset && inset->asInsetMath()) {
1339 InsetMathMacro * macro = inset->asInsetMath()->asMacro();
1341 // found the an macro to open/close?
1342 if (macro->folded() != fold)
1345 // Wrong folding state.
1346 // If this was the first we see in this slice, look further left,
1348 if (inset != it.nextInset())
1352 // go up if this was the left most position
1358 inset = it.nextInset();
1366 bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
1367 FuncStatus & flag) const
1369 // the font related toggles
1370 //string tc = "mathnormal";
1372 string const arg = to_utf8(cmd.argument());
1373 switch (cmd.action()) {
1375 case LFUN_INSET_MODIFY:
1376 // FIXME: check temporarily disabled
1378 char align = mathcursor::valign();
1379 if (align == '\0') {
1383 if (cmd.argument().empty()) {
1387 if (!contains("tcb", cmd.argument()[0])) {
1391 flag.setOnOff(cmd.argument()[0] == align);
1394 /// We have to handle them since 1.4 blocks all unhandled actions
1395 case LFUN_FONT_ITAL:
1396 case LFUN_FONT_BOLD:
1397 case LFUN_FONT_BOLDSYMBOL:
1398 case LFUN_FONT_SANS:
1399 case LFUN_FONT_EMPH:
1400 case LFUN_FONT_TYPEWRITER:
1401 case LFUN_FONT_NOUN:
1402 case LFUN_FONT_ROMAN:
1403 case LFUN_FONT_DEFAULT:
1404 flag.setEnabled(true);
1407 // we just need to be in math mode to enable that
1408 case LFUN_MATH_SIZE:
1409 case LFUN_MATH_SPACE:
1410 case LFUN_MATH_EXTERN:
1411 flag.setEnabled(true);
1414 case LFUN_FONT_UNDERLINE:
1415 case LFUN_FONT_FRAK:
1416 flag.setEnabled(currentMode() != TEXT_MODE);
1419 case LFUN_MATH_FONT_STYLE: {
1420 bool const textarg =
1421 arg == "textbf" || arg == "textsf" ||
1422 arg == "textrm" || arg == "textmd" ||
1423 arg == "textit" || arg == "textsc" ||
1424 arg == "textsl" || arg == "textup" ||
1425 arg == "texttt" || arg == "textbb" ||
1426 arg == "textnormal";
1427 flag.setEnabled(currentMode() != TEXT_MODE || textarg);
1431 case LFUN_MATH_MODE:
1432 // forbid "math-mode on" in math mode to prevent irritating
1433 // behaviour of menu entries (bug 6709)
1434 flag.setEnabled(currentMode() == TEXT_MODE || arg != "on");
1437 case LFUN_MATH_INSERT:
1438 flag.setEnabled(currentMode() != TEXT_MODE);
1441 case LFUN_MATH_AMS_MATRIX:
1442 case LFUN_MATH_MATRIX:
1443 flag.setEnabled(currentMode() == MATH_MODE);
1446 case LFUN_INSET_INSERT: {
1447 // Don't test createMathInset_fromDialogStr(), since
1448 // getStatus is not called with a valid reference and the
1449 // dialog would not be applicable.
1450 string const name = cmd.getArg(0);
1451 flag.setEnabled(name == "ref" || name == "mathspace");
1455 case LFUN_DIALOG_SHOW_NEW_INSET: {
1456 docstring const & name = cmd.argument();
1457 if (name == "space")
1458 flag.setEnabled(false);
1463 case LFUN_MATH_DELIM:
1464 case LFUN_MATH_BIGDELIM:
1465 // Don't do this with multi-cell selections
1466 flag.setEnabled(cur.selBegin().idx() == cur.selEnd().idx());
1469 case LFUN_MATH_MACRO_FOLD:
1470 case LFUN_MATH_MACRO_UNFOLD: {
1472 bool found = findMacroToFoldUnfold(it, cmd.action() == LFUN_MATH_MACRO_FOLD);
1473 flag.setEnabled(found);
1477 case LFUN_SPECIALCHAR_INSERT:
1478 case LFUN_SCRIPT_INSERT:
1479 // FIXME: These would probably make sense in math-text mode
1480 flag.setEnabled(false);
1483 case LFUN_CAPTION_INSERT:
1484 flag.setEnabled(false);
1487 case LFUN_SPACE_INSERT: {
1488 docstring const & name = cmd.argument();
1489 if (name == "visible")
1490 flag.setEnabled(false);
1494 case LFUN_INSET_DISSOLVE:
1495 flag.setEnabled(!asHullInset());
1499 docstring const & name = cmd.argument();
1500 if (name == "html" || name == "latex")
1501 flag.setEnabled(false);
1505 case LFUN_MATH_LIMITS: {
1507 if (cur.pos() < cur.lastpos() && cur.nextMath().allowsLimitsChange())
1508 in = &cur.nextMath();
1509 else if (cur.pos() > 0 && cur.prevMath().allowsLimitsChange())
1510 in = &cur.prevMath();
1511 else if (cur.lastpos() > 0 && cur.cell().back()->allowsLimitsChange())
1512 in = cur.cell().back().nucleus();
1514 if (!cmd.argument().empty()) {
1515 if (cmd.argument() == "limits")
1516 flag.setOnOff(in->limits() == LIMITS);
1517 else if (cmd.argument() == "nolimits")
1518 flag.setOnOff(in->limits() == NO_LIMITS);
1520 flag.setOnOff(in->limits() == AUTO_LIMITS);
1522 flag.setEnabled(true);
1524 flag.setEnabled(false);
1536 void InsetMathNest::edit(Cursor & cur, bool front, EntryDirection entry_from)
1539 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
1540 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1541 enter_front ? idxFirst(cur) : idxLast(cur);
1543 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1547 Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
1550 int dist_min = 1000000;
1551 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1552 int const d = cell(i).dist(cur.bv(), x, y);
1561 MathData & ar = cell(idx_min);
1563 cur.idx() = idx_min;
1564 cur.pos() = ar.x2pos(&cur.bv(), x - ar.xo(cur.bv()));
1566 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1567 if (dist_min == 0) {
1569 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1570 if (ar[i]->covers(cur.bv(), x, y))
1571 return ar[i].nucleus()->editXY(cur, x, y);
1577 void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
1579 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1580 BufferView & bv = cur.bv();
1581 if (cmd.button() == mouse_button::button3) {
1582 // Don't do anything if we right-click a
1583 // selection, a context menu will popup.
1584 if (bv.cursor().selection() && cur >= bv.cursor().selectionBegin()
1585 && cur < bv.cursor().selectionEnd()) {
1586 cur.noScreenUpdate();
1591 // set cursor after the inset if x is nearer to that position (bug 9748)
1592 cur.moveToClosestEdge(cmd.x(), true);
1594 bool do_selection = cmd.button() == mouse_button::button1
1595 && cmd.modifier() == ShiftModifier;
1596 bv.mouseSetCursor(cur, do_selection);
1597 if (cmd.button() == mouse_button::button1) {
1598 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1599 // Update the cursor update flags as needed:
1601 // Update::Decoration: tells to update the decoration
1602 // (visual box corners that define
1604 // Update::FitCursor: adjust the screen to the cursor
1605 // position if needed
1606 // cur.result().update(): don't overwrite previously set flags.
1607 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor
1608 | cur.result().screenUpdate());
1609 } else if (cmd.button() == mouse_button::button2 && lyxrc.mouse_middlebutton_paste) {
1610 if (cap::selection()) {
1611 // See comment in Text::dispatch why we do this
1612 cap::copySelectionToStack();
1613 cmd = FuncRequest(LFUN_PASTE, "0");
1614 doDispatch(bv.cursor(), cmd);
1617 asArray(theSelection().get(), ar);
1618 bv.cursor().insert(ar);
1624 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
1626 // only select with button 1
1627 if (cmd.button() != mouse_button::button1)
1630 Cursor & bvcur = cur.bv().cursor();
1632 // ignore motions deeper nested than the real anchor
1633 if (!bvcur.realAnchor().hasPart(cur)) {
1638 // set cursor after the inset if x is nearer to that position (bug 9748)
1639 cur.moveToClosestEdge(cmd.x());
1641 CursorSlice old = bvcur.top();
1643 // We continue with our existing selection or start a new one, so don't
1644 // reset the anchor.
1645 bvcur.setCursor(cur);
1646 // Did we actually move?
1647 if (cur.top() == old)
1648 // We didn't move one iota, so no need to change selection status
1649 // or update the screen.
1650 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1652 bvcur.setSelection();
1656 void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
1658 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1660 if (cmd.button() == mouse_button::button1) {
1661 if (!cur.selection())
1662 cur.noScreenUpdate();
1664 Cursor & bvcur = cur.bv().cursor();
1665 bvcur.selection(true);
1674 bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
1676 // try auto-correction
1677 if (lyxrc.autocorrection_math && cur.pos() != 0 && !cur.selection()
1678 && math_autocorrect(cur, c))
1681 //lyxerr << "interpret 2: '" << c << "'" << endl;
1682 docstring save_selection;
1683 if (c == '^' || c == '_')
1684 save_selection = grabAndEraseSelection(cur);
1687 Buffer * buf = cur.buffer();
1690 if (cur.inMacroMode()) {
1691 docstring name = cur.macroName();
1693 /// are we currently typing '#1' or '#2' or...?
1694 if (name == "\\#") {
1697 if (n >= 1 && n <= 9)
1698 cur.insert(new InsetMathMacroArgument(n));
1702 // do not finish macro for known * commands
1703 bool star_macro = c == '*'
1704 && (in_word_set(name.substr(1) + '*')
1705 || cur.buffer()->getMacro(name.substr(1) + "*", cur, true));
1706 if (isAlphaASCII(c) || star_macro) {
1707 cur.activeMacro()->setName(name + docstring(1, c));
1711 // handle 'special char' macros
1716 if (currentMode() != InsetMath::MATH_MODE)
1717 cur.niceInsert(createInsetMath("textbackslash", buf));
1719 cur.niceInsert(createInsetMath("backslash", buf));
1720 } else if (c == '^' && currentMode() == InsetMath::MATH_MODE) {
1722 cur.niceInsert(createInsetMath("mathcircumflex", buf));
1723 } else if (c == '{' || c == '%') {
1724 //using the saved selection as argument
1725 InsetMathUnknown * p = cur.activeMacro();
1727 MathData sel(cur.buffer());
1728 asArray(p->selection(), sel);
1731 cur.niceInsert(MathAtom(new InsetMathBrace(sel)));
1733 cur.niceInsert(MathAtom(new InsetMathComment(sel)));
1734 } else if (c == '#') {
1735 LASSERT(cur.activeMacro(), return false);
1736 cur.activeMacro()->setName(name + docstring(1, c));
1739 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1744 // One character big delimiters. The others are handled in
1745 // interpretString().
1746 latexkeys const * l = in_word_set(name.substr(1));
1747 if (name[0] == '\\' && l && l->inset == "big") {
1751 delim = from_ascii("\\{");
1754 delim = from_ascii("\\}");
1757 delim = docstring(1, c);
1760 if (InsetMathBig::isBigInsetDelim(delim)) {
1761 // name + delim ared a valid InsetMathBig.
1762 // We can't use cur.macroModeClose() because
1763 // it does not handle delim.
1764 InsetMathUnknown * p = cur.activeMacro();
1767 cur.cell().erase(cur.pos());
1768 cur.plainInsert(MathAtom(
1769 new InsetMathBig(name.substr(1), delim)));
1772 } else if (name == "\\smash" && c == '[') {
1773 // We can't use cur.macroModeClose() because
1774 // it would create an InsetMathPhantom
1775 InsetMathUnknown * p = cur.activeMacro();
1777 interpretChar(cur, c);
1781 // leave macro mode and try again if necessary
1782 if (cur.macroModeClose()) {
1783 MathAtom const atom = cur.prevAtom();
1784 if (atom->asNestInset() && atom->isActive()) {
1786 cur.nextInset()->edit(cur, true);
1790 cur.niceInsert(MathAtom(new InsetMathBrace(buf)));
1792 interpretChar(cur, c);
1797 // just clear selection on pressing the space bar
1798 if (cur.selection() && c == ' ') {
1799 cur.selection(false);
1804 //lyxerr << "starting with macro" << endl;
1805 bool reduced = cap::reduceSelectionToOneCell(cur);
1806 if (reduced || !cur.selection()) {
1807 cur.recordUndoInset();
1808 docstring const safe = cap::grabAndEraseSelection(cur);
1809 if (!cur.inRegexped())
1810 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), safe, false)));
1812 cur.niceInsert(createInsetMath("backslash", buf));
1820 if (currentMode() != InsetMath::MATH_MODE)
1826 if (currentMode() != InsetMath::MATH_MODE) {
1827 // insert spaces in text or undecided mode,
1828 // but suppress direct insertion of two spaces in a row
1829 // the still allows typing '<space>a<space>' and deleting the 'a', but
1830 // it is better than nothing...
1831 pos_type const pos = cur.pos();
1832 pos_type const lastpos = cur.lastpos();
1833 if ((pos == 0 && lastpos == 0)
1834 || (pos == 0 && cur.nextAtom()->getChar() != ' ')
1835 || (pos == lastpos && cur.prevAtom()->getChar() != ' ')
1836 || (pos > 0 && cur.prevAtom()->getChar() != ' '
1837 && cur.nextAtom()->getChar() != ' ')) {
1839 // FIXME: we have to enable full redraw here because of the
1840 // visual box corners that define the inset. If we know for
1841 // sure that we stay within the same cell we can optimize for
1843 //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1847 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1848 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1849 // FIXME: we have to enable full redraw here because of the
1850 // visual box corners that define the inset. If we know for
1851 // sure that we stay within the same cell we can optimize for
1853 //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1857 if (cur.popForward()) {
1858 // FIXME: we have to enable full redraw here because of the
1859 // visual box corners that define the inset. If we know for
1860 // sure that we stay within the same cell we can optimize for
1862 //cur.screenUpdateFlags(Update::FitCursor);
1866 // if we are at the very end, leave the formula
1867 return cur.pos() != cur.lastpos();
1870 // These should be treated differently when not in text mode:
1871 if (cur.inRegexped()) {
1874 cur.niceInsert(createInsetMath("mathcircumflex", buf));
1881 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1884 cur.niceInsert(createInsetMath("sim", buf));
1890 } else if (currentMode() != InsetMath::TEXT_MODE) {
1892 cur.recordUndoInset();
1893 script(cur, false, save_selection);
1897 cur.recordUndoInset();
1898 script(cur, true, save_selection);
1902 cur.niceInsert(createInsetMath("sim", buf));
1905 if (currentMode() == InsetMath::MATH_MODE && Encodings::isUnicodeTextOnly(c)) {
1906 MathAtom const atom(new InsetMathChar(c));
1907 if (cur.prevInset() && cur.prevInset()->asInsetMath()->name() == "text") {
1908 // reuse existing \text inset
1909 cur.prevInset()->asInsetMath()->cell(0).push_back(atom);
1911 MathAtom at = createInsetMath("text", buf);
1912 at.nucleus()->cell(0).push_back(atom);
1920 cur.niceInsert(createInsetMath("textasciicircum", buf));
1924 cur.niceInsert(createInsetMath("textasciitilde", buf));
1929 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1930 c == '%' || c == '_') {
1931 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1935 // no special circumstances, so insert the character without any fuss
1941 bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
1943 if (str == "\\limits" || str == "\\nolimits") {
1944 if (cur.pos() > 0 && cur.prevMath().allowsLimitsChange()) {
1945 cur.prevMath().limits(str == "\\limits" ? LIMITS : NO_LIMITS);
1948 cur.message(bformat(_("Cannot apply %1$s here."), str));
1952 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1954 if (!cur.empty() && cur.pos() > 0 &&
1955 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1956 if (InsetMathBig::isBigInsetDelim(str)) {
1957 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1958 if (prev[0] == '\\') {
1959 prev = prev.substr(1);
1960 latexkeys const * l = in_word_set(prev);
1961 if (l && l->inset == "big") {
1962 cur.recordUndoSelection();
1963 cur.cell()[cur.pos() - 1] =
1964 MathAtom(new InsetMathBig(prev, str));
1974 bool InsetMathNest::script(Cursor & cur, bool up)
1976 return script(cur, up, docstring());
1980 bool InsetMathNest::script(Cursor & cur, bool up,
1981 docstring const & save_selection)
1983 // Hack to get \^ and \_ working
1984 //lyxerr << "handling script: up: " << up << endl;
1985 if (cur.inMacroMode() && cur.macroName() == "\\") {
1987 cur.niceInsert(createInsetMath("mathcircumflex", cur.buffer()));
1989 interpretChar(cur, '_');
1993 cur.macroModeClose();
1994 if (asScriptInset() && cur.idx() == 0) {
1995 // we are in a nucleus of a script inset, move to _our_ script
1996 InsetMathScript * inset = asScriptInset();
1997 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1999 cur.idx() = inset->idxOfScript(up);
2001 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
2003 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
2006 cur.idx() = inset->idxOfScript(up);
2007 cur.pos() = cur.lastpos();
2009 // convert the thing to our left to a scriptinset or create a new
2010 // one if in the very first position of the array
2011 if (cur.pos() == 0) {
2012 //lyxerr << "new scriptinset" << endl;
2013 cur.insert(new InsetMathScript(buffer_, up));
2015 //lyxerr << "converting prev atom " << endl;
2016 cur.prevAtom() = MathAtom(new InsetMathScript(buffer_, cur.prevAtom(), up));
2019 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
2020 // See comment in MathParser.cpp for special handling of {}-bases
2026 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
2027 cur.niceInsert(save_selection);
2029 //lyxerr << "inserting selection 2:\n" << save_selection << endl;
2034 bool InsetMathNest::completionSupported(Cursor const & cur) const
2036 return cur.inMacroMode();
2040 bool InsetMathNest::inlineCompletionSupported(Cursor const & cur) const
2042 return cur.inMacroMode();
2046 bool InsetMathNest::automaticInlineCompletion() const
2048 return lyxrc.completion_inline_math;
2052 bool InsetMathNest::automaticPopupCompletion() const
2054 return lyxrc.completion_popup_math;
2058 CompletionList const *
2059 InsetMathNest::createCompletionList(Cursor const & cur) const
2061 if (!cur.inMacroMode())
2064 return new MathCompletionList(cur);
2068 docstring InsetMathNest::completionPrefix(Cursor const & cur) const
2070 if (!cur.inMacroMode())
2073 return cur.activeMacro()->name();
2077 bool InsetMathNest::insertCompletion(Cursor & cur, docstring const & s,
2080 if (!cur.inMacroMode())
2083 // append completion to active macro
2084 InsetMathUnknown * inset = cur.activeMacro();
2085 inset->setName(inset->name() + s);
2090 // FIXME: this creates duplicates in the completion popup
2091 // which looks ugly. Moreover the changes the list lengths
2092 // which seems to confuse the popup as well.
2093 MathCompletionList::addToFavorites(inset->name());
2095 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, " "));
2102 void InsetMathNest::completionPosAndDim(Cursor const & cur, int & x, int & y,
2103 Dimension & dim) const
2105 Inset const * inset = cur.activeMacro();
2109 // get inset dimensions
2110 dim = cur.bv().coordCache().insets().dim(inset);
2111 // FIXME: these 3 are no accurate, but should depend on the font.
2112 // Now the popup jumps down if you enter a char with descent > 0.
2117 Point xy = cur.bv().coordCache().insets().xy(inset);
2123 ////////////////////////////////////////////////////////////////////
2125 MathCompletionList::MathCompletionList(Cursor const & cur)
2127 // fill it with macros from the buffer
2128 MacroNameSet macros;
2129 cur.buffer()->listMacroNames(macros);
2130 MacroNameSet::const_iterator it;
2131 for (it = macros.begin(); it != macros.end(); ++it) {
2132 if (cur.buffer()->getMacro(*it, cur, false))
2133 locals.push_back("\\" + *it);
2135 sort(locals.begin(), locals.end());
2137 if (!globals.empty())
2140 // fill in global macros
2142 MacroTable::globalMacros().getMacroNames(macros, false);
2143 //lyxerr << "Globals completion macros: ";
2144 for (it = macros.begin(); it != macros.end(); ++it) {
2145 //lyxerr << "\\" + *it << " ";
2146 globals.push_back("\\" + *it);
2148 //lyxerr << std::endl;
2150 // fill in global commands
2151 globals.push_back(from_ascii("\\boxed"));
2152 globals.push_back(from_ascii("\\fbox"));
2153 globals.push_back(from_ascii("\\framebox"));
2154 globals.push_back(from_ascii("\\makebox"));
2155 globals.push_back(from_ascii("\\kern"));
2156 globals.push_back(from_ascii("\\xhookrightarrow"));
2157 globals.push_back(from_ascii("\\xhookleftarrow"));
2158 globals.push_back(from_ascii("\\xrightarrow"));
2159 globals.push_back(from_ascii("\\xRightarrow"));
2160 globals.push_back(from_ascii("\\xrightharpoondown"));
2161 globals.push_back(from_ascii("\\xrightharpoonup"));
2162 globals.push_back(from_ascii("\\xrightleftharpoons"));
2163 globals.push_back(from_ascii("\\xleftarrow"));
2164 globals.push_back(from_ascii("\\xLeftarrow"));
2165 globals.push_back(from_ascii("\\xleftharpoondown"));
2166 globals.push_back(from_ascii("\\xleftharpoonup"));
2167 globals.push_back(from_ascii("\\xleftrightarrow"));
2168 globals.push_back(from_ascii("\\xLeftrightarrow"));
2169 globals.push_back(from_ascii("\\xleftrightharpoons"));
2170 globals.push_back(from_ascii("\\xmapsto"));
2171 globals.push_back(from_ascii("\\split"));
2172 globals.push_back(from_ascii("\\gathered"));
2173 globals.push_back(from_ascii("\\aligned"));
2174 globals.push_back(from_ascii("\\alignedat"));
2175 globals.push_back(from_ascii("\\cases"));
2176 globals.push_back(from_ascii("\\substack"));
2177 globals.push_back(from_ascii("\\xymatrix"));
2178 globals.push_back(from_ascii("\\Diagram"));
2179 globals.push_back(from_ascii("\\subarray"));
2180 globals.push_back(from_ascii("\\array"));
2181 globals.push_back(from_ascii("\\sqrt"));
2182 globals.push_back(from_ascii("\\root"));
2183 globals.push_back(from_ascii("\\tabular"));
2184 globals.push_back(from_ascii("\\sideset"));
2185 globals.push_back(from_ascii("\\stackrel"));
2186 globals.push_back(from_ascii("\\stackrelthree"));
2187 globals.push_back(from_ascii("\\binom"));
2188 globals.push_back(from_ascii("\\choose"));
2189 globals.push_back(from_ascii("\\brace"));
2190 globals.push_back(from_ascii("\\brack"));
2191 globals.push_back(from_ascii("\\frac"));
2192 globals.push_back(from_ascii("\\over"));
2193 globals.push_back(from_ascii("\\nicefrac"));
2194 globals.push_back(from_ascii("\\unitfrac"));
2195 globals.push_back(from_ascii("\\unitfracthree"));
2196 globals.push_back(from_ascii("\\unitone"));
2197 globals.push_back(from_ascii("\\unittwo"));
2198 globals.push_back(from_ascii("\\infer"));
2199 globals.push_back(from_ascii("\\atop"));
2200 globals.push_back(from_ascii("\\lefteqn"));
2201 globals.push_back(from_ascii("\\boldsymbol"));
2202 globals.push_back(from_ascii("\\bm"));
2203 globals.push_back(from_ascii("\\color"));
2204 globals.push_back(from_ascii("\\normalcolor"));
2205 globals.push_back(from_ascii("\\textcolor"));
2206 globals.push_back(from_ascii("\\cfrac"));
2207 globals.push_back(from_ascii("\\cfracleft"));
2208 globals.push_back(from_ascii("\\cfracright"));
2209 globals.push_back(from_ascii("\\dfrac"));
2210 globals.push_back(from_ascii("\\tfrac"));
2211 globals.push_back(from_ascii("\\dbinom"));
2212 globals.push_back(from_ascii("\\tbinom"));
2213 globals.push_back(from_ascii("\\hphantom"));
2214 globals.push_back(from_ascii("\\phantom"));
2215 globals.push_back(from_ascii("\\vphantom"));
2216 globals.push_back(from_ascii("\\cancel"));
2217 globals.push_back(from_ascii("\\bcancel"));
2218 globals.push_back(from_ascii("\\xcancel"));
2219 globals.push_back(from_ascii("\\cancelto"));
2220 globals.push_back(from_ascii("\\smash"));
2221 globals.push_back(from_ascii("\\mathclap"));
2222 globals.push_back(from_ascii("\\mathllap"));
2223 globals.push_back(from_ascii("\\mathrlap"));
2224 globals.push_back(from_ascii("\\ensuremath"));
2225 MathWordList const & words = mathedWordList();
2226 MathWordList::const_iterator it2;
2227 //lyxerr << "Globals completion commands: ";
2228 for (it2 = words.begin(); it2 != words.end(); ++it2) {
2229 if (it2->second.inset != "macro" && !it2->second.hidden) {
2230 // macros are already read from MacroTable::globalMacros()
2231 globals.push_back('\\' + it2->first);
2232 //lyxerr << '\\' + it2->first << ' ';
2235 //lyxerr << std::endl;
2236 sort(globals.begin(), globals.end());
2240 MathCompletionList::~MathCompletionList()
2245 size_type MathCompletionList::size() const
2247 return locals.size() + globals.size();
2251 docstring const & MathCompletionList::data(size_t idx) const
2253 size_t lsize = locals.size();
2255 return globals[idx - lsize];
2261 std::string MathCompletionList::icon(size_t idx) const
2263 // get the latex command
2265 size_t lsize = locals.size();
2267 cmd = globals[idx - lsize];
2271 // get the icon name by stripping the backslash
2272 docstring icon_name = frontend::Application::mathIcon(cmd.substr(1));
2273 if (icon_name.empty())
2274 return std::string();
2275 return "math/" + to_utf8(icon_name);
2278 std::vector<docstring> MathCompletionList::globals;