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"
34 #include "MathFactory.h"
35 #include "InsetMathMacro.h"
36 #include "InsetMathMacroArgument.h"
37 #include "MathParser.h"
38 #include "MathStream.h"
39 #include "MathSupport.h"
42 #include "BufferParams.h"
43 #include "BufferView.h"
44 #include "CoordCache.h"
46 #include "CutAndPaste.h"
47 #include "DispatchResult.h"
49 #include "FuncRequest.h"
50 #include "FuncStatus.h"
51 #include "LaTeXFeatures.h"
54 #include "MetricsInfo.h"
55 #include "OutputParams.h"
59 #include "frontends/Application.h"
60 #include "frontends/Clipboard.h"
61 #include "frontends/Painter.h"
62 #include "frontends/Selection.h"
64 #include "support/debug.h"
65 #include "support/docstream.h"
66 #include "support/gettext.h"
67 #include "support/lassert.h"
68 #include "support/lstrings.h"
69 #include "support/textutils.h"
75 using namespace lyx::support;
79 using cap::copySelection;
80 using cap::grabAndEraseSelection;
81 using cap::cutSelection;
82 using cap::replaceSelection;
83 using cap::selClearOrDel;
86 InsetMathNest::InsetMathNest(Buffer * buf, idx_type nargs)
87 : InsetMath(buf), cells_(nargs), lock_(false)
93 InsetMathNest::InsetMathNest(InsetMathNest const & inset)
94 : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_)
98 InsetMathNest::~InsetMathNest()
100 map<BufferView const *, bool>::iterator it = mouse_hover_.begin();
101 map<BufferView const *, bool>::iterator end = mouse_hover_.end();
102 for (; it != end; ++it)
104 it->first->clearLastInset(this);
108 InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
110 cells_ = inset.cells_;
112 mouse_hover_.clear();
113 InsetMath::operator=(inset);
118 void InsetMathNest::setBuffer(Buffer & buffer)
120 InsetMath::setBuffer(buffer);
121 for (MathData & data : cells_)
122 data.setBuffer(buffer);
126 InsetMath::idx_type InsetMathNest::nargs() const
128 return cells_.size();
132 void InsetMathNest::cursorPos(BufferView const & bv,
133 CursorSlice const & sl, bool /*boundary*/,
134 int & x, int & y) const
136 // FIXME: This is a hack. Ideally, the coord cache should not store
137 // absolute positions, but relative ones. This would mean to call
138 // setXY() not in MathData::draw(), but in the parent insets' draw()
139 // with the correctly adjusted x,y values. But this means that we'd have
140 // to touch all (math)inset's draw() methods. Right now, we'll store
141 // absolute value, and make them here relative, only to make them
142 // absolute again when actually drawing the cursor. What a mess.
143 LASSERT(&sl.inset() == this, return);
144 MathData const & ar = sl.cell();
145 CoordCache const & coord_cache = bv.coordCache();
146 if (!coord_cache.getArrays().has(&ar)) {
147 // this can (semi-)legally happen if we just created this cell
148 // and it never has been drawn before. So don't ASSERT.
149 //lyxerr << "no cached data for array " << &ar << endl;
154 Point const pt = coord_cache.getArrays().xy(&ar);
155 if (!coord_cache.getInsets().has(this)) {
157 //lyxerr << "no cached data for inset " << this << endl;
162 Point const pt2 = coord_cache.getInsets().xy(this);
163 //lyxerr << "retrieving position cache for MathData "
164 // << pt.x_ << ' ' << pt.y_ << endl;
165 x = pt.x_ - pt2.x_ + ar.pos2x(&bv, sl.pos());
167 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
168 // << " asc: " << ascent() << " des: " << descent()
169 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
170 // move cursor visually into empty cells ("blue rectangles");
172 Dimension const dim = coord_cache.getArrays().dim(&ar);
178 void InsetMathNest::cellsMetrics(MetricsInfo const & mi) const
181 for (auto const & cell : cells_) {
183 cell.metrics(m, dim);
188 void InsetMathNest::updateBuffer(ParIterator const & it, UpdateType utype)
190 for (idx_type i = 0, n = nargs(); i != n; ++i)
191 cell(i).updateBuffer(it, utype);
196 bool InsetMathNest::idxNext(Cursor & cur) const
198 LASSERT(&cur.inset() == this, return false);
199 if (cur.idx() == cur.lastidx())
207 bool InsetMathNest::idxForward(Cursor & cur) const
213 bool InsetMathNest::idxPrev(Cursor & cur) const
215 LASSERT(&cur.inset() == this, return false);
219 cur.pos() = cur.lastpos();
224 bool InsetMathNest::idxBackward(Cursor & cur) const
230 bool InsetMathNest::idxFirst(Cursor & cur) const
232 LASSERT(&cur.inset() == this, return false);
235 cur.idx() = firstIdx();
241 bool InsetMathNest::idxLast(Cursor & cur) const
243 LASSERT(&cur.inset() == this, return false);
246 cur.idx() = lastIdx();
247 cur.pos() = cur.lastpos();
252 void InsetMathNest::dump() const
254 odocstringstream oss;
255 otexrowstream ots(oss);
257 os << "---------------------------------------------\n";
260 for (idx_type i = 0, n = nargs(); i != n; ++i)
261 os << cell(i) << "\n";
262 os << "---------------------------------------------\n";
263 lyxerr << to_utf8(oss.str());
267 void InsetMathNest::draw(PainterInfo &, int, int) const
271 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
277 void InsetMathNest::validate(LaTeXFeatures & features) const
279 for (idx_type i = 0; i < nargs(); ++i)
280 cell(i).validate(features);
284 void InsetMathNest::replace(ReplaceData & rep)
286 for (idx_type i = 0; i < nargs(); ++i)
287 cell(i).replace(rep);
291 bool InsetMathNest::contains(MathData const & ar) const
293 for (idx_type i = 0; i < nargs(); ++i)
294 if (cell(i).contains(ar))
300 bool InsetMathNest::lock() const
306 void InsetMathNest::lock(bool l)
312 bool InsetMathNest::isActive() const
318 MathData InsetMathNest::glue() const
321 for (size_t i = 0; i < nargs(); ++i)
327 void InsetMathNest::write(WriteStream & os) const
329 MathEnsurer ensurer(os, currentMode() == MATH_MODE);
330 ModeSpecifier specifier(os, currentMode(), lockedMode());
331 docstring const latex_name = name();
332 os << '\\' << latex_name;
333 for (size_t i = 0; i < nargs(); ++i) {
334 Changer dummy = os.changeRowEntry(TexRow::mathEntry(id(),i));
335 os << '{' << cell(i) << '}';
338 os.pendingSpace(true);
339 if (lock_ && !os.latex()) {
341 os.pendingSpace(true);
346 void InsetMathNest::normalize(NormalStream & os) const
349 for (size_t i = 0; i < nargs(); ++i)
350 os << ' ' << cell(i);
355 void InsetMathNest::latex(otexstream & os, OutputParams const & runparams) const
357 WriteStream wi(os, runparams.moving_arg, true,
358 runparams.dryrun ? WriteStream::wsDryrun : WriteStream::wsDefault,
360 wi.strikeoutMath(runparams.inDeletedInset
361 && (!LaTeXFeatures::isAvailable("dvipost")
362 || (runparams.flavor != OutputParams::LATEX
363 && runparams.flavor != OutputParams::DVILUATEX)));
364 if (runparams.inulemcmd) {
365 wi.ulemCmd(WriteStream::UNDERLINE);
366 if (runparams.local_font) {
367 FontInfo f = runparams.local_font->fontInfo();
368 if (f.strikeout() == FONT_ON)
369 wi.ulemCmd(WriteStream::STRIKEOUT);
372 wi.canBreakLine(os.canBreakLine());
373 Changer dummy = wi.changeRowEntry(TexRow::textEntry(runparams.lastid,
376 // Reset parbreak status after a math inset.
378 os.canBreakLine(wi.canBreakLine());
382 bool InsetMathNest::setMouseHover(BufferView const * bv, bool mouse_hover)
385 mouse_hover_[bv] = mouse_hover;
390 bool InsetMathNest::notifyCursorLeaves(Cursor const & /*old*/, Cursor & /*cur*/)
394 MathData & ar = cur.cell();
395 // remove base-only "scripts"
396 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
397 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
398 if (p && p->nargs() == 1) {
399 MathData ar = p->nuc();
402 cur.adjust(i, ar.size() - 1);
406 // glue adjacent font insets of the same kind
407 for (pos_type i = 0; i + 1 < size(); ++i) {
408 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
409 InsetMathFont const * q = operator[](i + 1)->asFontInset();
410 if (p && q && p->name() == q->name()) {
411 p->cell(0).append(q->cell(0));
421 void InsetMathNest::handleFont
422 (Cursor & cur, docstring const & arg, char const * const font)
424 handleFont(cur, arg, from_ascii(font));
428 void InsetMathNest::handleFont(Cursor & cur, docstring const & arg,
429 docstring const & font)
431 cur.recordUndoSelection();
433 // this whole function is a hack and won't work for incremental font
435 if (cur.inset().asInsetMath()->name() == font)
436 cur.handleFont(to_utf8(font));
438 handleNest(cur, createInsetMath(font, cur.buffer()), arg);
442 void InsetMathNest::handleNest(Cursor & cur, MathAtom const & nest)
444 handleNest(cur, nest, docstring());
448 void InsetMathNest::handleNest(Cursor & cur, MathAtom const & nest,
449 docstring const & arg)
451 CursorSlice i1 = cur.selBegin();
452 CursorSlice i2 = cur.selEnd();
453 if (!i1.inset().asInsetMath())
455 if (i1.idx() == i2.idx()) {
456 // the easy case where only one cell is selected
457 cur.handleNest(nest);
462 // multiple selected cells in a simple non-grid inset
463 if (i1.asInsetMath()->nrows() == 0 || i1.asInsetMath()->ncols() == 0) {
464 for (idx_type i = i1.idx(); i <= i2.idx(); ++i) {
469 cur.pos() = cur.lastpos();
472 // change font of cell
473 cur.handleNest(nest);
476 // cur is in the font inset now. If the loop continues,
477 // we need to get outside again for the next cell
478 if (i + 1 <= i2.idx())
484 // the complicated case with multiple selected cells in a grid
487 cap::region(i1, i2, r1, r2, c1, c2);
488 for (row_type row = r1; row <= r2; ++row) {
489 for (col_type col = c1; col <= c2; ++col) {
491 cur.idx() = i1.asInsetMath()->index(row, col);
494 cur.pos() = cur.lastpos();
498 cur.handleNest(nest);
501 // cur is in the font inset now. If the loop continues,
502 // we need to get outside again for the next cell
503 if (col + 1 <= c2 || row + 1 <= r2)
510 void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
512 cur.recordUndoSelection();
515 font.fromString(to_utf8(arg), b);
516 if (font.fontInfo().color() != Color_inherit &&
517 font.fontInfo().color() != Color_ignore)
518 handleNest(cur, MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color())));
520 // FIXME: support other font changes here as well?
524 void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
526 //LYXERR0("InsetMathNest: request: " << cmd);
528 Parse::flags parseflg = Parse::QUIET | Parse::USETEXT;
530 FuncCode const act = cmd.action();
533 case LFUN_CLIPBOARD_PASTE:
534 parseflg |= Parse::VERBATIM;
537 if (cur.currentMode() != MATH_MODE)
538 parseflg |= Parse::TEXTMODE;
539 cur.recordUndoSelection();
540 cur.message(_("Paste"));
541 replaceSelection(cur);
543 if (cmd.argument().empty() && !theClipboard().isInternal())
544 topaste = theClipboard().getAsText(frontend::Clipboard::PlainTextType);
547 idocstringstream is(cmd.argument());
549 topaste = cap::selection(n, buffer().params().documentClassPtr());
551 cur.niceInsert(topaste, parseflg, false);
552 cur.clearSelection(); // bug 393
553 cur.forceBufferUpdate();
560 cutSelection(cur, true);
561 cur.message(_("Cut"));
562 // Prevent stale position >= size crash
563 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
565 cur.forceBufferUpdate();
570 cur.message(_("Copy"));
573 case LFUN_MOUSE_PRESS:
574 lfunMousePress(cur, cmd);
577 case LFUN_MOUSE_MOTION:
578 lfunMouseMotion(cur, cmd);
581 case LFUN_MOUSE_RELEASE:
582 lfunMouseRelease(cur, cmd);
585 case LFUN_FINISHED_LEFT: // in math, left is backwards
586 case LFUN_FINISHED_BACKWARD:
587 cur.bv().cursor() = cur;
590 case LFUN_FINISHED_RIGHT: // in math, right is forward
591 case LFUN_FINISHED_FORWARD:
593 cur.bv().cursor() = cur;
596 case LFUN_WORD_RIGHT:
598 case LFUN_WORD_BACKWARD:
599 case LFUN_WORD_FORWARD:
600 case LFUN_CHAR_RIGHT:
602 case LFUN_CHAR_BACKWARD:
603 case LFUN_CHAR_FORWARD:
604 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
606 case LFUN_WORD_RIGHT_SELECT:
607 case LFUN_WORD_LEFT_SELECT:
608 case LFUN_WORD_BACKWARD_SELECT:
609 case LFUN_WORD_FORWARD_SELECT:
610 case LFUN_CHAR_RIGHT_SELECT:
611 case LFUN_CHAR_LEFT_SELECT:
612 case LFUN_CHAR_BACKWARD_SELECT:
613 case LFUN_CHAR_FORWARD_SELECT: {
614 // are we in a selection?
615 bool select = (act == LFUN_WORD_RIGHT_SELECT
616 || act == LFUN_WORD_LEFT_SELECT
617 || act == LFUN_WORD_BACKWARD_SELECT
618 || act == LFUN_WORD_FORWARD_SELECT
619 || act == LFUN_CHAR_RIGHT_SELECT
620 || act == LFUN_CHAR_LEFT_SELECT
621 || act == LFUN_CHAR_BACKWARD_SELECT
622 || act == LFUN_CHAR_FORWARD_SELECT);
624 bool word = (act == LFUN_WORD_RIGHT_SELECT
625 || act == LFUN_WORD_LEFT_SELECT
626 || act == LFUN_WORD_BACKWARD_SELECT
627 || act == LFUN_WORD_FORWARD_SELECT
628 || act == LFUN_WORD_RIGHT
629 || act == LFUN_WORD_LEFT
630 || act == LFUN_WORD_BACKWARD
631 || act == LFUN_WORD_FORWARD);
632 // are we moving forward or backwards?
633 // If the command was RIGHT or LEFT, then whether we're moving forward
634 // or backwards depends on the cursor movement mode (logical or visual):
635 // * in visual mode, since math is always LTR, right -> forward,
637 // * in logical mode, the mapping is determined by the
638 // reverseDirectionNeeded() function
641 FuncCode finish_lfun;
643 if (act == LFUN_CHAR_FORWARD
644 || act == LFUN_CHAR_FORWARD_SELECT
645 || act == LFUN_WORD_FORWARD
646 || act == LFUN_WORD_FORWARD_SELECT) {
648 finish_lfun = LFUN_FINISHED_FORWARD;
650 else if (act == LFUN_CHAR_BACKWARD
651 || act == LFUN_CHAR_BACKWARD_SELECT
652 || act == LFUN_WORD_BACKWARD
653 || act == LFUN_WORD_BACKWARD_SELECT) {
655 finish_lfun = LFUN_FINISHED_BACKWARD;
658 bool right = (act == LFUN_CHAR_RIGHT_SELECT
659 || act == LFUN_CHAR_RIGHT
660 || act == LFUN_WORD_RIGHT_SELECT
661 || act == LFUN_WORD_RIGHT);
662 if (lyxrc.visual_cursor || !cur.reverseDirectionNeeded())
668 finish_lfun = LFUN_FINISHED_RIGHT;
670 finish_lfun = LFUN_FINISHED_LEFT;
672 // Now that we know exactly what we want to do, let's do it!
673 cur.selHandle(select);
675 cur.macroModeClose();
676 // try moving forward or backwards as necessary...
677 if (!(forward ? cur.mathForward(word) : cur.mathBackward(word))) {
678 // ... and if movement failed, then finish forward or backwards
680 cmd = FuncRequest(finish_lfun);
688 case LFUN_PARAGRAPH_UP:
689 case LFUN_PARAGRAPH_DOWN:
690 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
692 case LFUN_DOWN_SELECT:
694 case LFUN_PARAGRAPH_UP_SELECT:
695 case LFUN_PARAGRAPH_DOWN_SELECT: {
696 // close active macro
697 if (cur.inMacroMode()) {
698 cur.macroModeClose();
702 // stop/start the selection
703 bool select = act == LFUN_DOWN_SELECT
704 || act == LFUN_UP_SELECT
705 || act == LFUN_PARAGRAPH_DOWN_SELECT
706 || act == LFUN_PARAGRAPH_UP_SELECT;
707 cur.selHandle(select);
709 // handle autocorrect:
710 if (lyxrc.autocorrection_math && cur.autocorrect()) {
711 cur.autocorrect() = false;
712 cur.message(_("Autocorrect Off ('!' to enter)"));
716 bool up = act == LFUN_UP || act == LFUN_UP_SELECT
717 || act == LFUN_PARAGRAPH_UP || act == LFUN_PARAGRAPH_UP_SELECT;
718 bool successful = cur.upDownInMath(up);
722 if (cur.fixIfBroken())
723 // FIXME: Something bad happened. We pass the corrected Cursor
724 // instead of letting things go worse.
727 // We did not manage to move the cursor.
732 case LFUN_MOUSE_DOUBLE:
733 case LFUN_WORD_SELECT:
735 cur.bv().mouseSetCursor(cur);
736 cur.pos() = cur.lastpos();
737 cur.bv().mouseSetCursor(cur, true);
740 case LFUN_MOUSE_TRIPLE:
743 cur.bv().mouseSetCursor(cur);
744 cur.idx() = cur.lastidx();
745 cur.pos() = cur.lastpos();
746 cur.bv().mouseSetCursor(cur, true);
749 case LFUN_LINE_BEGIN:
750 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
752 case LFUN_LINE_BEGIN_SELECT:
753 cur.selHandle(act == LFUN_WORD_BACKWARD_SELECT ||
754 act == LFUN_WORD_LEFT_SELECT ||
755 act == LFUN_LINE_BEGIN_SELECT);
756 cur.macroModeClose();
757 if (cur.pos() != 0) {
759 } else if (cur.col() != 0) {
760 cur.idx() -= cur.col();
762 } else if (cur.idx() != 0) {
766 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
772 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
774 case LFUN_LINE_END_SELECT:
775 cur.selHandle(act == LFUN_WORD_FORWARD_SELECT ||
776 act == LFUN_WORD_RIGHT_SELECT ||
777 act == LFUN_LINE_END_SELECT);
778 cur.macroModeClose();
780 if (cur.pos() != cur.lastpos()) {
781 cur.pos() = cur.lastpos();
782 } else if (ncols() && (cur.col() != cur.lastcol())) {
783 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
784 cur.pos() = cur.lastpos();
785 } else if (cur.idx() != cur.lastidx()) {
786 cur.idx() = cur.lastidx();
787 cur.pos() = cur.lastpos();
789 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
794 case LFUN_CELL_FORWARD:
795 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
796 cur.inset().idxNext(cur);
799 case LFUN_CELL_BACKWARD:
800 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
801 cur.inset().idxPrev(cur);
804 case LFUN_WORD_DELETE_BACKWARD:
805 case LFUN_CHAR_DELETE_BACKWARD:
807 // May affect external cell:
808 cur.recordUndoInset();
809 else if (!cur.inMacroMode())
810 cur.recordUndoSelection();
811 // if the inset can not be removed from within, delete it
812 if (!cur.backspace(cmd.getArg(0) == "force")) {
813 FuncRequest newcmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD, "force");
814 cur.innerText()->dispatch(cur, newcmd);
818 case LFUN_WORD_DELETE_FORWARD:
819 case LFUN_CHAR_DELETE_FORWARD:
820 if (cur.pos() == cur.lastpos())
821 // May affect external cell:
822 cur.recordUndoInset();
824 cur.recordUndoSelection();
825 // if the inset can not be removed from within, delete it
826 if (!cur.erase(cmd.getArg(0) == "force")) {
827 FuncRequest newcmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD, "force");
828 cur.innerText()->dispatch(cur, newcmd);
834 cur.clearSelection();
836 if (cur.inMacroMode())
837 cur.macroModeClose(true);
839 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
845 // 'Locks' the math inset. A 'locked' math inset behaves as a unit
846 // that is traversed by a single <CursorLeft>/<CursorRight>.
847 case LFUN_INSET_TOGGLE:
853 case LFUN_SELF_INSERT:
854 // special case first for big delimiters
855 if (cmd.argument().size() != 1 && interpretString(cur, cmd.argument()))
858 for (char_type c : cmd.argument()) {
859 // Don't record undo steps if we are in macro mode and thus
860 // cmd.argument is the next character of the macro name.
861 // Otherwise we'll get an invalid cursor if we undo after
862 // the macro was finished and the macro is a known command,
863 // e.g. sqrt. Cursor::macroModeClose replaces in this case
864 // the InsetMathUnknown with name "frac" by an empty
865 // InsetMathFrac -> a pos value > 0 is invalid.
866 // A side effect is that an undo before the macro is finished
867 // undoes the complete macro, not only the last character.
868 // At the time we hit '\' we are not in macro mode, still.
869 if (!cur.inMacroMode())
870 cur.recordUndoSelection();
872 // special handling of space. If we insert an inset
873 // via macro mode, we want to put the cursor inside it
874 // if relevant. Think typing "\frac<space>".
876 && cur.inMacroMode() && cur.macroName() != "\\"
877 && cur.macroModeClose() && cur.pos() > 0)
878 cur.editInsertedInset();
879 else if (!interpretChar(cur, c)) {
880 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
882 // FIXME: can we avoid skipping the end of the string?
888 //case LFUN_SERVER_GET_XY:
891 case LFUN_SERVER_SET_XY: {
892 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
895 istringstream is(to_utf8(cmd.argument()));
901 // Special casing for superscript in case of LyX handling
903 case LFUN_ACCENT_CIRCUMFLEX:
904 if (cmd.argument().empty()) {
905 // do superscript if LyX handles
907 cur.recordUndoSelection();
908 script(cur, true, grabAndEraseSelection(cur));
912 case LFUN_ACCENT_UMLAUT:
913 case LFUN_ACCENT_ACUTE:
914 case LFUN_ACCENT_GRAVE:
915 case LFUN_ACCENT_BREVE:
916 case LFUN_ACCENT_DOT:
917 case LFUN_ACCENT_MACRON:
918 case LFUN_ACCENT_CARON:
919 case LFUN_ACCENT_TILDE:
920 case LFUN_ACCENT_CEDILLA:
921 case LFUN_ACCENT_CIRCLE:
922 case LFUN_ACCENT_UNDERDOT:
923 case LFUN_ACCENT_TIE:
924 case LFUN_ACCENT_OGONEK:
925 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
929 case LFUN_TEXTSTYLE_APPLY:
930 case LFUN_TEXTSTYLE_UPDATE:
931 handleFont2(cur, cmd.argument());
935 if (currentMode() != MATH_MODE)
936 handleFont(cur, cmd.argument(), "textbf");
938 handleFont(cur, cmd.argument(), "mathbf");
940 case LFUN_FONT_BOLDSYMBOL:
941 if (currentMode() != MATH_MODE)
942 handleFont(cur, cmd.argument(), "textbf");
944 handleFont(cur, cmd.argument(), "boldsymbol");
947 if (currentMode() != MATH_MODE)
948 handleFont(cur, cmd.argument(), "textsf");
950 handleFont(cur, cmd.argument(), "mathsf");
953 if (currentMode() != MATH_MODE)
954 handleFont(cur, cmd.argument(), "emph");
956 handleFont(cur, cmd.argument(), "mathcal");
958 case LFUN_FONT_ROMAN:
959 if (currentMode() != MATH_MODE)
960 handleFont(cur, cmd.argument(), "textrm");
962 handleFont(cur, cmd.argument(), "mathrm");
964 case LFUN_FONT_TYPEWRITER:
965 if (currentMode() != MATH_MODE)
966 handleFont(cur, cmd.argument(), "texttt");
968 handleFont(cur, cmd.argument(), "mathtt");
971 handleFont(cur, cmd.argument(), "mathfrak");
974 if (currentMode() != MATH_MODE)
975 handleFont(cur, cmd.argument(), "textit");
977 handleFont(cur, cmd.argument(), "mathit");
980 if (currentMode() != MATH_MODE)
981 // FIXME: should be "noun"
982 handleFont(cur, cmd.argument(), "textsc");
984 handleFont(cur, cmd.argument(), "mathbb");
986 case LFUN_FONT_DEFAULT:
987 handleFont(cur, cmd.argument(), "textnormal");
989 case LFUN_FONT_UNDERLINE:
991 cur.handleNest(createInsetMath("underline", cur.buffer()));
994 case LFUN_MATH_MODE: {
996 // ignore math-mode on when already in math mode
997 if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
999 cur.recordUndoSelection();
1000 cur.macroModeClose();
1001 docstring const save_selection = grabAndEraseSelection(cur);
1003 if (currentMode() != Inset::MATH_MODE)
1004 cur.plainInsert(MathAtom(new InsetMathEnsureMath(buffer_)));
1006 cur.plainInsert(createInsetMath("text", buffer_));
1008 cur.pushBackward(*cur.nextInset());
1009 cur.niceInsert(save_selection);
1010 cur.forceBufferUpdate();
1012 if (currentMode() == Inset::TEXT_MODE) {
1013 cur.recordUndoSelection();
1014 cur.niceInsert(MathAtom(new InsetMathHull("simple", cur.buffer())));
1015 cur.message(_("create new math text environment ($...$)"));
1017 handleFont(cur, cmd.argument(), "textrm");
1018 cur.message(_("entered math text mode (textrm)"));
1024 case LFUN_REGEXP_MODE: {
1025 InsetMath * im = cur.inset().asInsetMath();
1027 InsetMathHull * i = im->asHullInset();
1028 if (i && i->getType() == hullRegexp) {
1029 cur.message(_("Already in regular expression mode"));
1033 cur.macroModeClose();
1034 docstring const save_selection = grabAndEraseSelection(cur);
1036 cur.plainInsert(MathAtom(new InsetMathHull(buffer_, hullRegexp)));
1038 cur.pushBackward(*cur.nextInset());
1039 cur.niceInsert(save_selection);
1040 cur.message(_("Regular expression editor mode"));
1044 case LFUN_MATH_FONT_STYLE: {
1045 FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, '\\' + cmd.argument());
1046 doDispatch(cur, fr);
1050 case LFUN_MATH_SIZE: {
1051 FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, cmd.argument());
1052 doDispatch(cur, fr);
1056 case LFUN_MATH_MATRIX: {
1062 idocstringstream is(cmd.argument());
1063 is >> m >> n >> v_align >> h_align;
1069 cur.niceInsert(MathAtom(new InsetMathArray(buffer_,
1070 from_ascii("array"), m, n, (char)v_align[0], h_align)));
1074 case LFUN_MATH_AMS_MATRIX: {
1078 docstring name = from_ascii("matrix");
1079 idocstringstream is(cmd.argument());
1080 is >> m >> n >> name;
1085 // check if we have a valid decoration
1086 if (name != "pmatrix" && name != "bmatrix"
1087 && name != "Bmatrix" && name != "vmatrix"
1088 && name != "Vmatrix" && name != "matrix")
1089 name = from_ascii("matrix");
1092 MathAtom(new InsetMathAMSArray(buffer_, name, m, n)));
1096 case LFUN_MATH_DELIM: {
1098 docstring rs = split(cmd.argument(), ls, ' ');
1099 // Reasonable default values
1105 cur.handleNest(MathAtom(new InsetMathDelim(buffer_, ls, rs)));
1109 case LFUN_MATH_BIGDELIM: {
1110 docstring const lname = from_utf8(cmd.getArg(0));
1111 docstring const ldelim = from_utf8(cmd.getArg(1));
1112 docstring const rname = from_utf8(cmd.getArg(2));
1113 docstring const rdelim = from_utf8(cmd.getArg(3));
1114 latexkeys const * l = in_word_set(lname);
1115 bool const have_l = l && l->inset == "big" &&
1116 InsetMathBig::isBigInsetDelim(ldelim);
1117 l = in_word_set(rname);
1118 bool const have_r = l && l->inset == "big" &&
1119 InsetMathBig::isBigInsetDelim(rdelim);
1120 // We mimic LFUN_MATH_DELIM in case we have an empty left
1121 // or right delimiter.
1122 if (have_l || have_r) {
1124 docstring const selection = grabAndEraseSelection(cur);
1127 cur.insert(MathAtom(new InsetMathBig(lname,
1129 // first insert the right delimiter and then go back
1130 // and re-insert the selection (bug 7088)
1132 cur.insert(MathAtom(new InsetMathBig(rname,
1136 cur.niceInsert(selection);
1138 // Don't call cur.undispatched() if we did nothing, this would
1139 // lead to infinite recursion via Text::dispatch().
1143 case LFUN_SPACE_INSERT: {
1144 cur.recordUndoSelection();
1145 string const name = cmd.getArg(0);
1146 if (name == "normal")
1147 cur.insert(MathAtom(new InsetMathSpace(" ", "")));
1148 else if (name == "protected")
1149 cur.insert(MathAtom(new InsetMathSpace("~", "")));
1150 else if (name == "thin" || name == "med" || name == "thick")
1151 cur.insert(MathAtom(new InsetMathSpace(name + "space", "")));
1152 else if (name == "hfill*")
1153 cur.insert(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
1154 else if (name == "quad" || name == "qquad" ||
1155 name == "enspace" || name == "enskip" ||
1156 name == "negthinspace" || name == "negmedspace" ||
1157 name == "negthickspace" || name == "hfill")
1158 cur.insert(MathAtom(new InsetMathSpace(name, "")));
1159 else if (name == "hspace" || name == "hspace*") {
1160 string const len = cmd.getArg(1);
1161 if (len.empty() || !isValidLength(len)) {
1162 lyxerr << "LyX function 'space-insert " << name << "' "
1163 "needs a valid length argument." << endl;
1166 cur.insert(MathAtom(new InsetMathSpace(name, len)));
1168 cur.insert(MathAtom(new InsetMathSpace));
1172 case LFUN_MATH_SPACE:
1173 cur.recordUndoSelection();
1174 if (cmd.argument().empty())
1175 cur.insert(MathAtom(new InsetMathSpace));
1177 string const name = cmd.getArg(0);
1178 string const len = cmd.getArg(1);
1179 cur.insert(MathAtom(new InsetMathSpace(name, len)));
1183 case LFUN_ERT_INSERT:
1184 // interpret this as if a backslash was typed
1186 interpretChar(cur, '\\');
1189 case LFUN_MATH_SUBSCRIPT:
1190 // interpret this as if a _ was typed
1191 cur.recordUndoSelection();
1192 interpretChar(cur, '_');
1195 case LFUN_MATH_SUPERSCRIPT:
1196 // interpret this as if a ^ was typed
1197 cur.recordUndoSelection();
1198 interpretChar(cur, '^');
1201 case LFUN_MATH_MACRO_FOLD:
1202 case LFUN_MATH_MACRO_UNFOLD: {
1204 bool fold = act == LFUN_MATH_MACRO_FOLD;
1205 bool found = findMacroToFoldUnfold(it, fold);
1207 InsetMathMacro * macro = it.nextInset()->asInsetMath()->asMacro();
1208 cur.recordUndoInset();
1217 case LFUN_QUOTE_INSERT:
1218 // interpret this as if a straight " was typed
1219 cur.recordUndoSelection();
1220 interpretChar(cur, '\"');
1223 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
1224 // handling such that "self-insert" works on "arbitrary stuff" too, and
1225 // math-insert only handles special math things like "matrix".
1226 case LFUN_MATH_INSERT: {
1227 cur.recordUndoSelection();
1228 if (cmd.argument() == "^" || cmd.argument() == "_")
1229 interpretChar(cur, cmd.argument()[0]);
1232 asArray(cmd.argument(), ar);
1233 if (cur.selection() && ar.size() == 1
1234 && ar[0]->asNestInset()
1235 && ar[0]->asNestInset()->nargs() > 1)
1236 handleNest(cur, ar[0]);
1238 cur.niceInsert(cmd.argument());
1243 case LFUN_DIALOG_SHOW_NEW_INSET: {
1244 docstring const & name = cmd.argument();
1246 if (name == "ref") {
1247 InsetMathRef tmp(buffer_, name);
1248 data = tmp.createDialogStr();
1249 cur.bv().showDialog(to_utf8(name), data);
1250 } else if (name == "mathspace") {
1251 cur.bv().showDialog(to_utf8(name));
1256 case LFUN_INSET_INSERT: {
1258 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
1259 cur.recordUndoSelection();
1261 cur.forceBufferUpdate();
1266 case LFUN_INSET_DISSOLVE:
1267 if (!asHullInset()) {
1268 cur.recordUndoInset();
1274 InsetMath::doDispatch(cur, cmd);
1280 bool InsetMathNest::findMacroToFoldUnfold(Cursor & it, bool fold) const {
1281 // look for macro to open/close, but stay in mathed
1282 for (; !it.empty(); it.pop_back()) {
1284 // go backward through the current cell
1285 Inset * inset = it.nextInset();
1286 while (inset && inset->asInsetMath()) {
1287 InsetMathMacro * macro = inset->asInsetMath()->asMacro();
1289 // found the an macro to open/close?
1290 if (macro->folded() != fold)
1293 // Wrong folding state.
1294 // If this was the first we see in this slice, look further left,
1296 if (inset != it.nextInset())
1300 // go up if this was the left most position
1306 inset = it.nextInset();
1314 bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
1315 FuncStatus & flag) const
1317 // the font related toggles
1318 //string tc = "mathnormal";
1320 string const arg = to_utf8(cmd.argument());
1321 switch (cmd.action()) {
1322 case LFUN_INSET_MODIFY:
1323 flag.setEnabled(false);
1326 case LFUN_INSET_MODIFY:
1327 // FIXME: check temporarily disabled
1329 char align = mathcursor::valign();
1330 if (align == '\0') {
1334 if (cmd.argument().empty()) {
1338 if (!contains("tcb", cmd.argument()[0])) {
1342 flag.setOnOff(cmd.argument()[0] == align);
1345 /// We have to handle them since 1.4 blocks all unhandled actions
1346 case LFUN_FONT_ITAL:
1347 case LFUN_FONT_BOLD:
1348 case LFUN_FONT_BOLDSYMBOL:
1349 case LFUN_FONT_SANS:
1350 case LFUN_FONT_EMPH:
1351 case LFUN_FONT_TYPEWRITER:
1352 case LFUN_FONT_NOUN:
1353 case LFUN_FONT_ROMAN:
1354 case LFUN_FONT_DEFAULT:
1355 flag.setEnabled(true);
1358 // we just need to be in math mode to enable that
1359 case LFUN_MATH_SIZE:
1360 case LFUN_MATH_SPACE:
1361 case LFUN_MATH_EXTERN:
1362 flag.setEnabled(true);
1365 case LFUN_FONT_UNDERLINE:
1366 case LFUN_FONT_FRAK:
1367 flag.setEnabled(currentMode() != TEXT_MODE);
1370 case LFUN_MATH_FONT_STYLE: {
1371 bool const textarg =
1372 arg == "textbf" || arg == "textsf" ||
1373 arg == "textrm" || arg == "textmd" ||
1374 arg == "textit" || arg == "textsc" ||
1375 arg == "textsl" || arg == "textup" ||
1376 arg == "texttt" || arg == "textbb" ||
1377 arg == "textnormal";
1378 flag.setEnabled(currentMode() != TEXT_MODE || textarg);
1382 case LFUN_MATH_MODE:
1383 // forbid "math-mode on" in math mode to prevent irritating
1384 // behaviour of menu entries (bug 6709)
1385 flag.setEnabled(currentMode() == TEXT_MODE || arg != "on");
1388 case LFUN_MATH_INSERT:
1389 flag.setEnabled(currentMode() != TEXT_MODE);
1392 case LFUN_MATH_AMS_MATRIX:
1393 case LFUN_MATH_MATRIX:
1394 flag.setEnabled(currentMode() == MATH_MODE);
1397 case LFUN_INSET_INSERT: {
1398 // Don't test createMathInset_fromDialogStr(), since
1399 // getStatus is not called with a valid reference and the
1400 // dialog would not be applyable.
1401 string const name = cmd.getArg(0);
1402 flag.setEnabled(name == "ref" || name == "mathspace");
1406 case LFUN_DIALOG_SHOW_NEW_INSET: {
1407 docstring const & name = cmd.argument();
1408 if (name == "space")
1409 flag.setEnabled(false);
1414 case LFUN_MATH_DELIM:
1415 case LFUN_MATH_BIGDELIM:
1416 // Don't do this with multi-cell selections
1417 flag.setEnabled(cur.selBegin().idx() == cur.selEnd().idx());
1420 case LFUN_MATH_MACRO_FOLD:
1421 case LFUN_MATH_MACRO_UNFOLD: {
1423 bool found = findMacroToFoldUnfold(it, cmd.action() == LFUN_MATH_MACRO_FOLD);
1424 flag.setEnabled(found);
1428 case LFUN_SPECIALCHAR_INSERT:
1429 case LFUN_SCRIPT_INSERT:
1430 // FIXME: These would probably make sense in math-text mode
1431 flag.setEnabled(false);
1434 case LFUN_CAPTION_INSERT:
1435 flag.setEnabled(false);
1438 case LFUN_SPACE_INSERT: {
1439 docstring const & name = cmd.argument();
1440 if (name == "visible")
1441 flag.setEnabled(false);
1445 case LFUN_INSET_DISSOLVE:
1446 flag.setEnabled(!asHullInset());
1450 docstring const & name = cmd.argument();
1451 if (name == "html" || name == "latex")
1452 flag.setEnabled(false);
1464 void InsetMathNest::edit(Cursor & cur, bool front, EntryDirection entry_from)
1467 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_LEFT ||
1468 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1469 enter_front ? idxFirst(cur) : idxLast(cur);
1471 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1475 Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
1478 int dist_min = 1000000;
1479 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1480 int const d = cell(i).dist(cur.bv(), x, y);
1489 MathData & ar = cell(idx_min);
1491 cur.idx() = idx_min;
1492 cur.pos() = ar.x2pos(&cur.bv(), x - ar.xo(cur.bv()));
1494 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1495 if (dist_min == 0) {
1497 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1498 if (ar[i]->covers(cur.bv(), x, y))
1499 return ar[i].nucleus()->editXY(cur, x, y);
1505 void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
1507 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1508 BufferView & bv = cur.bv();
1509 if (cmd.button() == mouse_button::button3) {
1510 // Don't do anything if we right-click a
1511 // selection, a context menu will popup.
1512 if (bv.cursor().selection() && cur >= bv.cursor().selectionBegin()
1513 && cur < bv.cursor().selectionEnd()) {
1514 cur.noScreenUpdate();
1519 // set cursor after the inset if x is nearer to that position (bug 9748)
1520 cur.moveToClosestEdge(cmd.x(), true);
1522 bool do_selection = cmd.button() == mouse_button::button1
1523 && cmd.modifier() == ShiftModifier;
1524 bv.mouseSetCursor(cur, do_selection);
1525 if (cmd.button() == mouse_button::button1) {
1526 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1527 // Update the cursor update flags as needed:
1529 // Update::Decoration: tells to update the decoration
1530 // (visual box corners that define
1532 // Update::FitCursor: adjust the screen to the cursor
1533 // position if needed
1534 // cur.result().update(): don't overwrite previously set flags.
1535 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor
1536 | cur.result().screenUpdate());
1537 } else if (cmd.button() == mouse_button::button2 && lyxrc.mouse_middlebutton_paste) {
1538 if (cap::selection()) {
1539 // See comment in Text::dispatch why we do this
1540 cap::copySelectionToStack();
1541 cmd = FuncRequest(LFUN_PASTE, "0");
1542 doDispatch(bv.cursor(), cmd);
1545 asArray(theSelection().get(), ar);
1546 bv.cursor().insert(ar);
1552 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
1554 // only select with button 1
1555 if (cmd.button() != mouse_button::button1)
1558 Cursor & bvcur = cur.bv().cursor();
1560 // ignore motions deeper nested than the real anchor
1561 if (!bvcur.realAnchor().hasPart(cur)) {
1566 // set cursor after the inset if x is nearer to that position (bug 9748)
1567 cur.moveToClosestEdge(cmd.x());
1569 CursorSlice old = bvcur.top();
1571 // We continue with our existing selection or start a new one, so don't
1572 // reset the anchor.
1573 bvcur.setCursor(cur);
1574 // Did we actually move?
1575 if (cur.top() == old)
1576 // We didn't move one iota, so no need to change selection status
1577 // or update the screen.
1578 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1580 bvcur.setSelection();
1584 void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
1586 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1588 if (cmd.button() == mouse_button::button1) {
1589 if (!cur.selection())
1590 cur.noScreenUpdate();
1592 Cursor & bvcur = cur.bv().cursor();
1593 bvcur.selection(true);
1602 bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
1604 //lyxerr << "interpret 2: '" << c << "'" << endl;
1605 docstring save_selection;
1606 if (c == '^' || c == '_')
1607 save_selection = grabAndEraseSelection(cur);
1610 Buffer * buf = cur.buffer();
1613 if (cur.inMacroMode()) {
1614 docstring name = cur.macroName();
1616 /// are we currently typing '#1' or '#2' or...?
1617 if (name == "\\#") {
1620 if (n >= 1 && n <= 9)
1621 cur.insert(new InsetMathMacroArgument(n));
1625 // do not finish macro for known * commands
1626 bool star_macro = c == '*'
1627 && (in_word_set(name.substr(1) + '*')
1628 || cur.buffer()->getMacro(name.substr(1) + "*", cur, true));
1629 if (isAlphaASCII(c) || star_macro) {
1630 cur.activeMacro()->setName(name + docstring(1, c));
1634 // handle 'special char' macros
1639 if (currentMode() != InsetMath::MATH_MODE)
1640 cur.niceInsert(createInsetMath("textbackslash", buf));
1642 cur.niceInsert(createInsetMath("backslash", buf));
1643 } else if (c == '^' && currentMode() == InsetMath::MATH_MODE) {
1645 cur.niceInsert(createInsetMath("mathcircumflex", buf));
1646 } else if (c == '{' || c == '%') {
1647 //using the saved selection as argument
1648 InsetMathUnknown * p = cur.activeMacro();
1650 MathData sel(cur.buffer());
1651 asArray(p->selection(), sel);
1654 cur.niceInsert(MathAtom(new InsetMathBrace(sel)));
1656 cur.niceInsert(MathAtom(new InsetMathComment(sel)));
1657 } else if (c == '#') {
1658 LASSERT(cur.activeMacro(), return false);
1659 cur.activeMacro()->setName(name + docstring(1, c));
1662 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1667 // One character big delimiters. The others are handled in
1668 // interpretString().
1669 latexkeys const * l = in_word_set(name.substr(1));
1670 if (name[0] == '\\' && l && l->inset == "big") {
1674 delim = from_ascii("\\{");
1677 delim = from_ascii("\\}");
1680 delim = docstring(1, c);
1683 if (InsetMathBig::isBigInsetDelim(delim)) {
1684 // name + delim ared a valid InsetMathBig.
1685 // We can't use cur.macroModeClose() because
1686 // it does not handle delim.
1687 InsetMathUnknown * p = cur.activeMacro();
1690 cur.cell().erase(cur.pos());
1691 cur.plainInsert(MathAtom(
1692 new InsetMathBig(name.substr(1), delim)));
1695 } else if (name == "\\smash" && c == '[') {
1696 // We can't use cur.macroModeClose() because
1697 // it would create an InsetMathPhantom
1698 InsetMathUnknown * p = cur.activeMacro();
1700 interpretChar(cur, c);
1704 // leave macro mode and try again if necessary
1705 if (cur.macroModeClose()) {
1706 MathAtom const atom = cur.prevAtom();
1707 if (atom->asNestInset() && atom->isActive()) {
1709 cur.nextInset()->edit(cur, true);
1713 cur.niceInsert(MathAtom(new InsetMathBrace(buf)));
1715 interpretChar(cur, c);
1720 // leave autocorrect mode if necessary
1721 if (lyxrc.autocorrection_math && c == ' ' && cur.autocorrect()) {
1722 cur.autocorrect() = false;
1723 cur.message(_("Autocorrect Off ('!' to enter)"));
1726 if (lyxrc.autocorrection_math && c == '!' && !cur.autocorrect()) {
1727 cur.autocorrect() = true;
1728 cur.message(_("Autocorrect On (<space> to exit)"));
1732 // just clear selection on pressing the space bar
1733 if (cur.selection() && c == ' ') {
1734 cur.selection(false);
1739 //lyxerr << "starting with macro" << endl;
1740 bool reduced = cap::reduceSelectionToOneCell(cur);
1741 if (reduced || !cur.selection()) {
1742 cur.recordUndoInset();
1743 docstring const safe = cap::grabAndEraseSelection(cur);
1744 if (!cur.inRegexped())
1745 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), safe, false)));
1747 cur.niceInsert(createInsetMath("backslash", buf));
1755 if (currentMode() != InsetMath::MATH_MODE)
1761 if (currentMode() != InsetMath::MATH_MODE) {
1762 // insert spaces in text or undecided mode,
1763 // but suppress direct insertion of two spaces in a row
1764 // the still allows typing '<space>a<space>' and deleting the 'a', but
1765 // it is better than nothing...
1766 if (cur.pos() == 0 || cur.prevAtom()->getChar() != ' ') {
1768 // FIXME: we have to enable full redraw here because of the
1769 // visual box corners that define the inset. If we know for
1770 // sure that we stay within the same cell we can optimize for
1772 //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1776 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1777 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1778 // FIXME: we have to enable full redraw here because of the
1779 // visual box corners that define the inset. If we know for
1780 // sure that we stay within the same cell we can optimize for
1782 //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1786 if (cur.popForward()) {
1787 // FIXME: we have to enable full redraw here because of the
1788 // visual box corners that define the inset. If we know for
1789 // sure that we stay within the same cell we can optimize for
1791 //cur.screenUpdateFlags(Update::FitCursor);
1795 // if we are at the very end, leave the formula
1796 return cur.pos() != cur.lastpos();
1799 // These should be treated differently when not in text mode:
1800 if (cur.inRegexped()) {
1803 cur.niceInsert(createInsetMath("mathcircumflex", buf));
1810 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1813 cur.niceInsert(createInsetMath("sim", buf));
1819 } else if (currentMode() != InsetMath::TEXT_MODE) {
1821 script(cur, false, save_selection);
1825 script(cur, true, save_selection);
1829 cur.niceInsert(createInsetMath("sim", buf));
1832 if (currentMode() == InsetMath::MATH_MODE && Encodings::isUnicodeTextOnly(c)) {
1833 MathAtom at = createInsetMath("text", buf);
1834 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
1841 cur.niceInsert(createInsetMath("textasciicircum", buf));
1845 cur.niceInsert(createInsetMath("textasciitilde", buf));
1850 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1851 c == '%' || c == '_') {
1852 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1857 // try auto-correction
1858 if (lyxrc.autocorrection_math && cur.autocorrect() && cur.pos() != 0
1859 && math_autocorrect(cur.prevAtom(), c))
1862 // no special circumstances, so insert the character without any fuss
1864 if (lyxrc.autocorrection_math) {
1865 if (!cur.autocorrect())
1866 cur.message(_("Autocorrect Off ('!' to enter)"));
1868 cur.message(_("Autocorrect On (<space> to exit)"));
1874 bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
1876 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1878 if (!cur.empty() && cur.pos() > 0 &&
1879 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1880 if (InsetMathBig::isBigInsetDelim(str)) {
1881 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1882 if (prev[0] == '\\') {
1883 prev = prev.substr(1);
1884 latexkeys const * l = in_word_set(prev);
1885 if (l && l->inset == "big") {
1886 cur.recordUndoSelection();
1887 cur.cell()[cur.pos() - 1] =
1888 MathAtom(new InsetMathBig(prev, str));
1898 bool InsetMathNest::script(Cursor & cur, bool up)
1900 return script(cur, up, docstring());
1904 bool InsetMathNest::script(Cursor & cur, bool up,
1905 docstring const & save_selection)
1907 // Hack to get \^ and \_ working
1908 //lyxerr << "handling script: up: " << up << endl;
1909 if (cur.inMacroMode() && cur.macroName() == "\\") {
1911 cur.niceInsert(createInsetMath("mathcircumflex", cur.buffer()));
1913 interpretChar(cur, '_');
1917 cur.macroModeClose();
1918 if (asScriptInset() && cur.idx() == 0) {
1919 // we are in a nucleus of a script inset, move to _our_ script
1920 InsetMathScript * inset = asScriptInset();
1921 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1923 cur.idx() = inset->idxOfScript(up);
1925 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1927 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1930 cur.idx() = inset->idxOfScript(up);
1931 cur.pos() = cur.lastpos();
1933 // convert the thing to our left to a scriptinset or create a new
1934 // one if in the very first position of the array
1935 if (cur.pos() == 0) {
1936 //lyxerr << "new scriptinset" << endl;
1937 cur.insert(new InsetMathScript(buffer_, up));
1939 //lyxerr << "converting prev atom " << endl;
1940 cur.prevAtom() = MathAtom(new InsetMathScript(buffer_, cur.prevAtom(), up));
1943 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1944 // See comment in MathParser.cpp for special handling of {}-bases
1950 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1951 cur.niceInsert(save_selection);
1953 //lyxerr << "inserting selection 2:\n" << save_selection << endl;
1958 bool InsetMathNest::completionSupported(Cursor const & cur) const
1960 return cur.inMacroMode();
1964 bool InsetMathNest::inlineCompletionSupported(Cursor const & cur) const
1966 return cur.inMacroMode();
1970 bool InsetMathNest::automaticInlineCompletion() const
1972 return lyxrc.completion_inline_math;
1976 bool InsetMathNest::automaticPopupCompletion() const
1978 return lyxrc.completion_popup_math;
1982 CompletionList const *
1983 InsetMathNest::createCompletionList(Cursor const & cur) const
1985 if (!cur.inMacroMode())
1988 return new MathCompletionList(cur);
1992 docstring InsetMathNest::completionPrefix(Cursor const & cur) const
1994 if (!cur.inMacroMode())
1997 return cur.activeMacro()->name();
2001 bool InsetMathNest::insertCompletion(Cursor & cur, docstring const & s,
2004 if (!cur.inMacroMode())
2007 // append completion to active macro
2008 InsetMathUnknown * inset = cur.activeMacro();
2009 inset->setName(inset->name() + s);
2014 // FIXME: this creates duplicates in the completion popup
2015 // which looks ugly. Moreover the changes the list lengths
2016 // which seems to confuse the popup as well.
2017 MathCompletionList::addToFavorites(inset->name());
2019 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, " "));
2026 void InsetMathNest::completionPosAndDim(Cursor const & cur, int & x, int & y,
2027 Dimension & dim) const
2029 Inset const * inset = cur.activeMacro();
2033 // get inset dimensions
2034 dim = cur.bv().coordCache().insets().dim(inset);
2035 // FIXME: these 3 are no accurate, but should depend on the font.
2036 // Now the popup jumps down if you enter a char with descent > 0.
2041 Point xy = cur.bv().coordCache().insets().xy(inset);
2047 ////////////////////////////////////////////////////////////////////
2049 MathCompletionList::MathCompletionList(Cursor const & cur)
2051 // fill it with macros from the buffer
2052 MacroNameSet macros;
2053 cur.buffer()->listMacroNames(macros);
2054 MacroNameSet::const_iterator it;
2055 for (it = macros.begin(); it != macros.end(); ++it) {
2056 if (cur.buffer()->getMacro(*it, cur, false))
2057 locals.push_back("\\" + *it);
2059 sort(locals.begin(), locals.end());
2061 if (!globals.empty())
2064 // fill in global macros
2066 MacroTable::globalMacros().getMacroNames(macros, false);
2067 //lyxerr << "Globals completion macros: ";
2068 for (it = macros.begin(); it != macros.end(); ++it) {
2069 //lyxerr << "\\" + *it << " ";
2070 globals.push_back("\\" + *it);
2072 //lyxerr << std::endl;
2074 // fill in global commands
2075 globals.push_back(from_ascii("\\boxed"));
2076 globals.push_back(from_ascii("\\fbox"));
2077 globals.push_back(from_ascii("\\framebox"));
2078 globals.push_back(from_ascii("\\makebox"));
2079 globals.push_back(from_ascii("\\kern"));
2080 globals.push_back(from_ascii("\\xhookrightarrow"));
2081 globals.push_back(from_ascii("\\xhookleftarrow"));
2082 globals.push_back(from_ascii("\\xrightarrow"));
2083 globals.push_back(from_ascii("\\xRightarrow"));
2084 globals.push_back(from_ascii("\\xrightharpoondown"));
2085 globals.push_back(from_ascii("\\xrightharpoonup"));
2086 globals.push_back(from_ascii("\\xrightleftharpoons"));
2087 globals.push_back(from_ascii("\\xleftarrow"));
2088 globals.push_back(from_ascii("\\xLeftarrow"));
2089 globals.push_back(from_ascii("\\xleftharpoondown"));
2090 globals.push_back(from_ascii("\\xleftharpoonup"));
2091 globals.push_back(from_ascii("\\xleftrightarrow"));
2092 globals.push_back(from_ascii("\\xLeftrightarrow"));
2093 globals.push_back(from_ascii("\\xleftrightharpoons"));
2094 globals.push_back(from_ascii("\\xmapsto"));
2095 globals.push_back(from_ascii("\\split"));
2096 globals.push_back(from_ascii("\\gathered"));
2097 globals.push_back(from_ascii("\\aligned"));
2098 globals.push_back(from_ascii("\\alignedat"));
2099 globals.push_back(from_ascii("\\cases"));
2100 globals.push_back(from_ascii("\\substack"));
2101 globals.push_back(from_ascii("\\xymatrix"));
2102 globals.push_back(from_ascii("\\Diagram"));
2103 globals.push_back(from_ascii("\\subarray"));
2104 globals.push_back(from_ascii("\\array"));
2105 globals.push_back(from_ascii("\\sqrt"));
2106 globals.push_back(from_ascii("\\root"));
2107 globals.push_back(from_ascii("\\tabular"));
2108 globals.push_back(from_ascii("\\sideset"));
2109 globals.push_back(from_ascii("\\stackrel"));
2110 globals.push_back(from_ascii("\\stackrelthree"));
2111 globals.push_back(from_ascii("\\binom"));
2112 globals.push_back(from_ascii("\\choose"));
2113 globals.push_back(from_ascii("\\brace"));
2114 globals.push_back(from_ascii("\\brack"));
2115 globals.push_back(from_ascii("\\frac"));
2116 globals.push_back(from_ascii("\\over"));
2117 globals.push_back(from_ascii("\\nicefrac"));
2118 globals.push_back(from_ascii("\\unitfrac"));
2119 globals.push_back(from_ascii("\\unitfracthree"));
2120 globals.push_back(from_ascii("\\unitone"));
2121 globals.push_back(from_ascii("\\unittwo"));
2122 globals.push_back(from_ascii("\\infer"));
2123 globals.push_back(from_ascii("\\atop"));
2124 globals.push_back(from_ascii("\\lefteqn"));
2125 globals.push_back(from_ascii("\\boldsymbol"));
2126 globals.push_back(from_ascii("\\bm"));
2127 globals.push_back(from_ascii("\\color"));
2128 globals.push_back(from_ascii("\\normalcolor"));
2129 globals.push_back(from_ascii("\\textcolor"));
2130 globals.push_back(from_ascii("\\cfrac"));
2131 globals.push_back(from_ascii("\\cfracleft"));
2132 globals.push_back(from_ascii("\\cfracright"));
2133 globals.push_back(from_ascii("\\dfrac"));
2134 globals.push_back(from_ascii("\\tfrac"));
2135 globals.push_back(from_ascii("\\dbinom"));
2136 globals.push_back(from_ascii("\\tbinom"));
2137 globals.push_back(from_ascii("\\hphantom"));
2138 globals.push_back(from_ascii("\\phantom"));
2139 globals.push_back(from_ascii("\\vphantom"));
2140 globals.push_back(from_ascii("\\cancel"));
2141 globals.push_back(from_ascii("\\bcancel"));
2142 globals.push_back(from_ascii("\\xcancel"));
2143 globals.push_back(from_ascii("\\cancelto"));
2144 globals.push_back(from_ascii("\\smash"));
2145 globals.push_back(from_ascii("\\mathclap"));
2146 globals.push_back(from_ascii("\\mathllap"));
2147 globals.push_back(from_ascii("\\mathrlap"));
2148 globals.push_back(from_ascii("\\ensuremath"));
2149 MathWordList const & words = mathedWordList();
2150 MathWordList::const_iterator it2;
2151 //lyxerr << "Globals completion commands: ";
2152 for (it2 = words.begin(); it2 != words.end(); ++it2) {
2153 if (it2->second.inset != "macro" && !it2->second.hidden) {
2154 // macros are already read from MacroTable::globalMacros()
2155 globals.push_back('\\' + it2->first);
2156 //lyxerr << '\\' + it2->first << ' ';
2159 //lyxerr << std::endl;
2160 sort(globals.begin(), globals.end());
2164 MathCompletionList::~MathCompletionList()
2169 size_type MathCompletionList::size() const
2171 return locals.size() + globals.size();
2175 docstring const & MathCompletionList::data(size_t idx) const
2177 size_t lsize = locals.size();
2179 return globals[idx - lsize];
2185 std::string MathCompletionList::icon(size_t idx) const
2187 // get the latex command
2189 size_t lsize = locals.size();
2191 cmd = globals[idx - lsize];
2195 // get the icon resource name by stripping the backslash
2196 docstring icon_name = frontend::Application::mathIcon(cmd.substr(1));
2197 if (icon_name.empty())
2198 return std::string();
2199 return "images/math/" + to_utf8(icon_name);
2202 std::vector<docstring> MathCompletionList::globals;