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 "MathMacro.h"
36 #include "MathMacroArgument.h"
37 #include "MathParser.h"
38 #include "MathStream.h"
39 #include "MathSupport.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"
53 #include "OutputParams.h"
56 #include "frontends/Clipboard.h"
57 #include "frontends/Painter.h"
58 #include "frontends/Selection.h"
60 #include "support/lassert.h"
61 #include "support/debug.h"
62 #include "support/gettext.h"
63 #include "support/lstrings.h"
64 #include "support/textutils.h"
65 #include "support/docstream.h"
71 using namespace lyx::support;
75 using cap::copySelection;
76 using cap::grabAndEraseSelection;
77 using cap::cutSelection;
78 using cap::replaceSelection;
79 using cap::selClearOrDel;
82 InsetMathNest::InsetMathNest(Buffer * buf, idx_type nargs)
83 : InsetMath(buf), cells_(nargs), lock_(false)
89 InsetMathNest::InsetMathNest(InsetMathNest const & inset)
90 : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_)
94 InsetMathNest::~InsetMathNest()
96 map<BufferView const *, bool>::iterator it = mouse_hover_.begin();
97 map<BufferView const *, bool>::iterator end = mouse_hover_.end();
98 for (; it != end; ++it)
100 it->first->clearLastInset(this);
104 InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
106 cells_ = inset.cells_;
108 mouse_hover_.clear();
109 InsetMath::operator=(inset);
114 void InsetMathNest::setBuffer(Buffer & buffer)
116 InsetMath::setBuffer(buffer);
117 for (idx_type i = 0, n = nargs(); i != n; ++i) {
118 MathData & data = cell(i);
119 for (size_t j = 0; j != data.size(); ++j)
120 data[j].nucleus()->setBuffer(buffer);
125 InsetMath::idx_type InsetMathNest::nargs() const
127 return cells_.size();
131 void InsetMathNest::cursorPos(BufferView const & bv,
132 CursorSlice const & sl, bool /*boundary*/,
133 int & x, int & y) const
135 // FIXME: This is a hack. Ideally, the coord cache should not store
136 // absolute positions, but relative ones. This would mean to call
137 // setXY() not in MathData::draw(), but in the parent insets' draw()
138 // with the correctly adjusted x,y values. But this means that we'd have
139 // to touch all (math)inset's draw() methods. Right now, we'll store
140 // absolute value, and make them here relative, only to make them
141 // absolute again when actually drawing the cursor. What a mess.
142 LASSERT(&sl.inset() == this, return);
143 MathData const & ar = sl.cell();
144 CoordCache const & coord_cache = bv.coordCache();
145 if (!coord_cache.getArrays().has(&ar)) {
146 // this can (semi-)legally happen if we just created this cell
147 // and it never has been drawn before. So don't ASSERT.
148 //lyxerr << "no cached data for array " << &ar << endl;
153 Point const pt = coord_cache.getArrays().xy(&ar);
154 if (!coord_cache.getInsets().has(this)) {
156 //lyxerr << "no cached data for inset " << this << endl;
161 Point const pt2 = coord_cache.getInsets().xy(this);
162 //lyxerr << "retrieving position cache for MathData "
163 // << pt.x_ << ' ' << pt.y_ << endl;
164 x = pt.x_ - pt2.x_ + ar.pos2x(&bv, sl.pos());
166 // lyxerr << "pt.y_ : " << pt.y_ << " pt2_.y_ : " << pt2.y_
167 // << " asc: " << ascent() << " des: " << descent()
168 // << " ar.asc: " << ar.ascent() << " ar.des: " << ar.descent() << endl;
169 // move cursor visually into empty cells ("blue rectangles");
175 void InsetMathNest::metrics(MetricsInfo const & mi) const
178 for (idx_type i = 0, n = nargs(); i != n; ++i) {
180 cell(i).metrics(m, dim);
185 void InsetMathNest::updateBuffer(ParIterator const & it, UpdateType utype)
187 for (idx_type i = 0, n = nargs(); i != n; ++i)
188 cell(i).updateBuffer(it, utype);
193 bool InsetMathNest::idxNext(Cursor & cur) const
195 LASSERT(&cur.inset() == this, return false);
196 if (cur.idx() == cur.lastidx())
204 bool InsetMathNest::idxForward(Cursor & cur) const
210 bool InsetMathNest::idxPrev(Cursor & cur) const
212 LASSERT(&cur.inset() == this, return false);
216 cur.pos() = cur.lastpos();
221 bool InsetMathNest::idxBackward(Cursor & cur) const
227 bool InsetMathNest::idxFirst(Cursor & cur) const
229 LASSERT(&cur.inset() == this, return false);
238 bool InsetMathNest::idxLast(Cursor & cur) const
240 LASSERT(&cur.inset() == this, return false);
243 cur.idx() = cur.lastidx();
244 cur.pos() = cur.lastpos();
249 void InsetMathNest::dump() const
251 odocstringstream oss;
253 os << "---------------------------------------------\n";
256 for (idx_type i = 0, n = nargs(); i != n; ++i)
257 os << cell(i) << "\n";
258 os << "---------------------------------------------\n";
259 lyxerr << to_utf8(oss.str());
263 void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
267 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
270 setPosCache(pi, x, y);
274 void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
276 BufferView & bv = *pi.base.bv;
277 // this should use the x/y values given, not the cached values
278 Cursor & cur = bv.cursor();
279 if (!cur.selection())
281 if (&cur.inset() != this)
284 // FIXME: hack to get position cache warm
285 bool const original_drawing_state = pi.pain.isDrawingEnabled();
286 pi.pain.setDrawingEnabled(false);
288 pi.pain.setDrawingEnabled(original_drawing_state);
290 CursorSlice s1 = cur.selBegin();
291 CursorSlice s2 = cur.selEnd();
293 //lyxerr << "InsetMathNest::drawing selection: "
294 // << " s1: " << s1 << " s2: " << s2 << endl;
295 if (s1.idx() == s2.idx()) {
296 MathData const & c = cell(s1.idx());
297 Geometry const & g = bv.coordCache().getArrays().geometry(&c);
298 int x1 = g.pos.x_ + c.pos2x(pi.base.bv, s1.pos());
299 int y1 = g.pos.y_ - g.dim.ascent();
300 int x2 = g.pos.x_ + c.pos2x(pi.base.bv, s2.pos());
301 int y2 = g.pos.y_ + g.dim.descent();
302 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
303 //lyxerr << "InsetMathNest::drawing selection 3: "
304 // << " x1: " << x1 << " x2: " << x2
305 // << " y1: " << y1 << " y2: " << y2 << endl;
307 for (idx_type i = 0; i < nargs(); ++i) {
308 if (idxBetween(i, s1.idx(), s2.idx())) {
309 MathData const & c = cell(i);
310 Geometry const & g = bv.coordCache().getArrays().geometry(&c);
312 int y1 = g.pos.y_ - g.dim.ascent();
313 int x2 = g.pos.x_ + g.dim.width();
314 int y2 = g.pos.y_ + g.dim.descent();
315 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
322 void InsetMathNest::validate(LaTeXFeatures & features) const
324 for (idx_type i = 0; i < nargs(); ++i)
325 cell(i).validate(features);
329 void InsetMathNest::replace(ReplaceData & rep)
331 for (idx_type i = 0; i < nargs(); ++i)
332 cell(i).replace(rep);
336 bool InsetMathNest::contains(MathData const & ar) const
338 for (idx_type i = 0; i < nargs(); ++i)
339 if (cell(i).contains(ar))
345 bool InsetMathNest::lock() const
351 void InsetMathNest::lock(bool l)
357 bool InsetMathNest::isActive() const
363 MathData InsetMathNest::glue() const
366 for (size_t i = 0; i < nargs(); ++i)
372 void InsetMathNest::write(WriteStream & os) const
374 MathEnsurer ensurer(os, currentMode() == MATH_MODE);
375 ModeSpecifier specifier(os, currentMode(), lockedMode());
376 docstring const latex_name = name();
377 os << '\\' << latex_name;
378 for (size_t i = 0; i < nargs(); ++i)
379 os << '{' << cell(i) << '}';
381 os.pendingSpace(true);
382 if (lock_ && !os.latex()) {
384 os.pendingSpace(true);
389 void InsetMathNest::normalize(NormalStream & os) const
392 for (size_t i = 0; i < nargs(); ++i)
393 os << ' ' << cell(i);
398 void InsetMathNest::latex(otexstream & os, OutputParams const & runparams) const
400 WriteStream wi(os.os(), runparams.moving_arg, true,
401 runparams.dryrun ? WriteStream::wsDryrun : WriteStream::wsDefault,
403 wi.canBreakLine(os.canBreakLine());
405 os.canBreakLine(wi.canBreakLine());
408 if (lf > 0 && runparams.lastid != -1) {
410 os.texrow().newline();
411 os.texrow().start(runparams.lastid, runparams.lastpos);
413 os.texrow().newlines(lf);
417 bool InsetMathNest::setMouseHover(BufferView const * bv, bool mouse_hover)
420 mouse_hover_[bv] = mouse_hover;
425 bool InsetMathNest::notifyCursorLeaves(Cursor const & /*old*/, Cursor & /*cur*/)
429 MathData & ar = cur.cell();
430 // remove base-only "scripts"
431 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
432 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
433 if (p && p->nargs() == 1) {
434 MathData ar = p->nuc();
437 cur.adjust(i, ar.size() - 1);
441 // glue adjacent font insets of the same kind
442 for (pos_type i = 0; i + 1 < size(); ++i) {
443 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
444 InsetMathFont const * q = operator[](i + 1)->asFontInset();
445 if (p && q && p->name() == q->name()) {
446 p->cell(0).append(q->cell(0));
456 void InsetMathNest::handleFont
457 (Cursor & cur, docstring const & arg, char const * const font)
459 handleFont(cur, arg, from_ascii(font));
463 void InsetMathNest::handleFont(Cursor & cur, docstring const & arg,
464 docstring const & font)
466 cur.recordUndoSelection();
468 // this whole function is a hack and won't work for incremental font
470 if (cur.inset().asInsetMath()->name() == font)
471 cur.handleFont(to_utf8(font));
473 handleNest(cur, createInsetMath(font, cur.buffer()), arg);
477 void InsetMathNest::handleNest(Cursor & cur, MathAtom const & nest)
479 handleNest(cur, nest, docstring());
483 void InsetMathNest::handleNest(Cursor & cur, MathAtom const & nest,
484 docstring const & arg)
486 CursorSlice i1 = cur.selBegin();
487 CursorSlice i2 = cur.selEnd();
488 if (!i1.inset().asInsetMath())
490 if (i1.idx() == i2.idx()) {
491 // the easy case where only one cell is selected
492 cur.handleNest(nest);
497 // multiple selected cells in a simple non-grid inset
498 if (i1.asInsetMath()->nrows() == 0 || i1.asInsetMath()->ncols() == 0) {
499 for (idx_type i = i1.idx(); i <= i2.idx(); ++i) {
504 cur.pos() = cur.lastpos();
507 // change font of cell
508 cur.handleNest(nest);
511 // cur is in the font inset now. If the loop continues,
512 // we need to get outside again for the next cell
513 if (i + 1 <= i2.idx())
519 // the complicated case with multiple selected cells in a grid
522 cap::region(i1, i2, r1, r2, c1, c2);
523 for (row_type row = r1; row <= r2; ++row) {
524 for (col_type col = c1; col <= c2; ++col) {
526 cur.idx() = i1.asInsetMath()->index(row, col);
529 cur.pos() = cur.lastpos();
533 cur.handleNest(nest);
536 // cur is in the font inset now. If the loop continues,
537 // we need to get outside again for the next cell
538 if (col + 1 <= c2 || row + 1 <= r2)
545 void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
547 cur.recordUndoSelection();
550 font.fromString(to_utf8(arg), b);
551 if (font.fontInfo().color() != Color_inherit &&
552 font.fontInfo().color() != Color_ignore)
553 handleNest(cur, MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color())));
555 // FIXME: support other font changes here as well?
559 void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
561 //LYXERR0("InsetMathNest: request: " << cmd);
563 Parse::flags parseflg = Parse::QUIET | Parse::USETEXT;
565 FuncCode const act = cmd.action();
568 case LFUN_CLIPBOARD_PASTE:
569 parseflg |= Parse::VERBATIM;
572 if (cur.currentMode() <= TEXT_MODE)
573 parseflg |= Parse::TEXTMODE;
574 cur.recordUndoSelection();
575 cur.message(_("Paste"));
576 replaceSelection(cur);
578 if (cmd.argument().empty() && !theClipboard().isInternal())
579 topaste = theClipboard().getAsText(Clipboard::PlainTextType);
582 idocstringstream is(cmd.argument());
584 topaste = cap::selection(n);
586 cur.niceInsert(topaste, parseflg, false);
587 cur.clearSelection(); // bug 393
588 cur.forceBufferUpdate();
595 cutSelection(cur, true, true);
596 cur.message(_("Cut"));
597 // Prevent stale position >= size crash
598 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
600 cur.forceBufferUpdate();
605 cur.message(_("Copy"));
608 case LFUN_MOUSE_PRESS:
609 lfunMousePress(cur, cmd);
612 case LFUN_MOUSE_MOTION:
613 lfunMouseMotion(cur, cmd);
616 case LFUN_MOUSE_RELEASE:
617 lfunMouseRelease(cur, cmd);
620 case LFUN_FINISHED_LEFT: // in math, left is backwards
621 case LFUN_FINISHED_BACKWARD:
622 cur.bv().cursor() = cur;
625 case LFUN_FINISHED_RIGHT: // in math, right is forward
626 case LFUN_FINISHED_FORWARD:
628 cur.bv().cursor() = cur;
631 case LFUN_CHAR_RIGHT:
633 case LFUN_CHAR_BACKWARD:
634 case LFUN_CHAR_FORWARD:
635 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
636 case LFUN_CHAR_RIGHT_SELECT:
637 case LFUN_CHAR_LEFT_SELECT:
638 case LFUN_CHAR_BACKWARD_SELECT:
639 case LFUN_CHAR_FORWARD_SELECT: {
640 // are we in a selection?
641 bool select = (act == LFUN_CHAR_RIGHT_SELECT
642 || act == LFUN_CHAR_LEFT_SELECT
643 || act == LFUN_CHAR_BACKWARD_SELECT
644 || act == LFUN_CHAR_FORWARD_SELECT);
645 // are we moving forward or backwards?
646 // If the command was RIGHT or LEFT, then whether we're moving forward
647 // or backwards depends on the cursor movement mode (logical or visual):
648 // * in visual mode, since math is always LTR, right -> forward,
650 // * in logical mode, the mapping is determined by the
651 // reverseDirectionNeeded() function
654 FuncCode finish_lfun;
656 if (act == LFUN_CHAR_FORWARD
657 || act == LFUN_CHAR_FORWARD_SELECT) {
659 finish_lfun = LFUN_FINISHED_FORWARD;
661 else if (act == LFUN_CHAR_BACKWARD
662 || act == LFUN_CHAR_BACKWARD_SELECT) {
664 finish_lfun = LFUN_FINISHED_BACKWARD;
667 bool right = (act == LFUN_CHAR_RIGHT_SELECT
668 || act == LFUN_CHAR_RIGHT);
669 if (lyxrc.visual_cursor || !reverseDirectionNeeded(cur))
675 finish_lfun = LFUN_FINISHED_RIGHT;
677 finish_lfun = LFUN_FINISHED_LEFT;
679 // Now that we know exactly what we want to do, let's do it!
680 cur.selHandle(select);
682 cur.macroModeClose();
683 // try moving forward or backwards as necessary...
684 if (!(forward ? cursorMathForward(cur) : cursorMathBackward(cur))) {
685 // ... and if movement failed, then finish forward or backwards
687 cmd = FuncRequest(finish_lfun);
695 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
696 case LFUN_DOWN_SELECT:
697 case LFUN_UP_SELECT: {
698 // close active macro
699 if (cur.inMacroMode()) {
700 cur.macroModeClose();
704 // stop/start the selection
705 bool select = act == LFUN_DOWN_SELECT ||
706 act == LFUN_UP_SELECT;
707 cur.selHandle(select);
709 // handle autocorrect:
710 cur.autocorrect() = false;
711 cur.message(_("Autocorrect Off ('!' to enter)"));
714 bool up = act == LFUN_UP || act == LFUN_UP_SELECT;
715 bool successful = cur.upDownInMath(up);
719 if (cur.fixIfBroken())
720 // FIXME: Something bad happened. We pass the corrected Cursor
721 // instead of letting things go worse.
724 // We did not manage to move the cursor.
729 case LFUN_MOUSE_DOUBLE:
730 case LFUN_MOUSE_TRIPLE:
731 case LFUN_WORD_SELECT:
732 case LFUN_INSET_SELECT_ALL:
736 cur.setSelection(true);
737 cur.idx() = cur.lastidx();
738 cur.pos() = cur.lastpos();
739 cur.bv().cursor() = cur;
742 case LFUN_PARAGRAPH_UP:
743 case LFUN_PARAGRAPH_DOWN:
744 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
745 case LFUN_PARAGRAPH_UP_SELECT:
746 case LFUN_PARAGRAPH_DOWN_SELECT:
749 case LFUN_LINE_BEGIN:
750 case LFUN_WORD_BACKWARD:
752 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
753 case LFUN_LINE_BEGIN_SELECT:
754 case LFUN_WORD_BACKWARD_SELECT:
755 case LFUN_WORD_LEFT_SELECT:
756 cur.selHandle(act == LFUN_WORD_BACKWARD_SELECT ||
757 act == LFUN_WORD_LEFT_SELECT ||
758 act == LFUN_LINE_BEGIN_SELECT);
759 cur.macroModeClose();
760 if (cur.pos() != 0) {
762 } else if (cur.col() != 0) {
763 cur.idx() -= cur.col();
765 } else if (cur.idx() != 0) {
769 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
774 case LFUN_WORD_FORWARD:
775 case LFUN_WORD_RIGHT:
777 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
778 case LFUN_WORD_FORWARD_SELECT:
779 case LFUN_WORD_RIGHT_SELECT:
780 case LFUN_LINE_END_SELECT:
781 cur.selHandle(act == LFUN_WORD_FORWARD_SELECT ||
782 act == LFUN_WORD_RIGHT_SELECT ||
783 act == LFUN_LINE_END_SELECT);
784 cur.macroModeClose();
786 if (cur.pos() != cur.lastpos()) {
787 cur.pos() = cur.lastpos();
788 } else if (ncols() && (cur.col() != cur.lastcol())) {
789 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
790 cur.pos() = cur.lastpos();
791 } else if (cur.idx() != cur.lastidx()) {
792 cur.idx() = cur.lastidx();
793 cur.pos() = cur.lastpos();
795 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
800 case LFUN_CELL_FORWARD:
801 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
802 cur.inset().idxNext(cur);
805 case LFUN_CELL_BACKWARD:
806 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
807 cur.inset().idxPrev(cur);
810 case LFUN_WORD_DELETE_BACKWARD:
811 case LFUN_CHAR_DELETE_BACKWARD:
813 // May affect external cell:
814 cur.recordUndoInset();
815 else if (!cur.inMacroMode())
816 cur.recordUndoSelection();
817 // if the inset can not be removed from within, delete it
818 if (!cur.backspace()) {
819 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
820 cur.innerText()->dispatch(cur, cmd);
824 case LFUN_WORD_DELETE_FORWARD:
825 case LFUN_CHAR_DELETE_FORWARD:
826 if (cur.pos() == cur.lastpos())
827 // May affect external cell:
828 cur.recordUndoInset();
830 cur.recordUndoSelection();
831 // if the inset can not be removed from within, delete it
833 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
834 cur.innerText()->dispatch(cur, cmd);
840 cur.clearSelection();
842 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
847 // 'Locks' the math inset. A 'locked' math inset behaves as a unit
848 // that is traversed by a single <CursorLeft>/<CursorRight>.
849 case LFUN_INSET_TOGGLE:
855 case LFUN_SELF_INSERT:
856 if (cmd.argument().size() != 1) {
857 cur.recordUndoSelection();
858 docstring const arg = cmd.argument();
859 if (!interpretString(cur, arg))
863 // Don't record undo steps if we are in macro mode and thus
864 // cmd.argument is the next character of the macro name.
865 // Otherwise we'll get an invalid cursor if we undo after
866 // the macro was finished and the macro is a known command,
867 // e.g. sqrt. Cursor::macroModeClose replaces in this case
868 // the InsetMathUnknown with name "frac" by an empty
869 // InsetMathFrac -> a pos value > 0 is invalid.
870 // A side effect is that an undo before the macro is finished
871 // undoes the complete macro, not only the last character.
872 // At the time we hit '\' we are not in macro mode, still.
873 if (!cur.inMacroMode())
874 cur.recordUndoSelection();
876 // spacial handling of space. If we insert an inset
877 // via macro mode, we want to put the cursor inside it
878 // if relevant. Think typing "\frac<space>".
879 if (cmd.argument()[0] == ' '
880 && cur.inMacroMode() && cur.macroName() != "\\"
881 && cur.macroModeClose() && cur.pos() > 0) {
882 MathAtom const atom = cur.prevAtom();
883 if (atom->asNestInset() && atom->isActive()) {
885 cur.pushBackward(*cur.nextInset());
887 } else if (!interpretChar(cur, cmd.argument()[0])) {
888 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
893 //case LFUN_SERVER_GET_XY:
896 case LFUN_SERVER_SET_XY: {
897 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
900 istringstream is(to_utf8(cmd.argument()));
902 cur.setScreenPos(x, y);
906 // Special casing for superscript in case of LyX handling
908 case LFUN_ACCENT_CIRCUMFLEX:
909 if (cmd.argument().empty()) {
910 // do superscript if LyX handles
912 cur.recordUndoSelection();
913 script(cur, true, grabAndEraseSelection(cur));
917 case LFUN_ACCENT_UMLAUT:
918 case LFUN_ACCENT_ACUTE:
919 case LFUN_ACCENT_GRAVE:
920 case LFUN_ACCENT_BREVE:
921 case LFUN_ACCENT_DOT:
922 case LFUN_ACCENT_MACRON:
923 case LFUN_ACCENT_CARON:
924 case LFUN_ACCENT_TILDE:
925 case LFUN_ACCENT_CEDILLA:
926 case LFUN_ACCENT_CIRCLE:
927 case LFUN_ACCENT_UNDERDOT:
928 case LFUN_ACCENT_TIE:
929 case LFUN_ACCENT_OGONEK:
930 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
934 case LFUN_TEXTSTYLE_APPLY:
935 case LFUN_TEXTSTYLE_UPDATE:
936 handleFont2(cur, cmd.argument());
940 if (currentMode() <= TEXT_MODE)
941 handleFont(cur, cmd.argument(), "textbf");
943 handleFont(cur, cmd.argument(), "mathbf");
945 case LFUN_FONT_BOLDSYMBOL:
946 if (currentMode() <= TEXT_MODE)
947 handleFont(cur, cmd.argument(), "textbf");
949 handleFont(cur, cmd.argument(), "boldsymbol");
952 if (currentMode() <= TEXT_MODE)
953 handleFont(cur, cmd.argument(), "textsf");
955 handleFont(cur, cmd.argument(), "mathsf");
958 if (currentMode() <= TEXT_MODE)
959 handleFont(cur, cmd.argument(), "emph");
961 handleFont(cur, cmd.argument(), "mathcal");
963 case LFUN_FONT_ROMAN:
964 if (currentMode() <= TEXT_MODE)
965 handleFont(cur, cmd.argument(), "textrm");
967 handleFont(cur, cmd.argument(), "mathrm");
969 case LFUN_FONT_TYPEWRITER:
970 if (currentMode() <= TEXT_MODE)
971 handleFont(cur, cmd.argument(), "texttt");
973 handleFont(cur, cmd.argument(), "mathtt");
976 handleFont(cur, cmd.argument(), "mathfrak");
979 if (currentMode() <= TEXT_MODE)
980 handleFont(cur, cmd.argument(), "textit");
982 handleFont(cur, cmd.argument(), "mathit");
985 if (currentMode() <= TEXT_MODE)
986 // FIXME: should be "noun"
987 handleFont(cur, cmd.argument(), "textsc");
989 handleFont(cur, cmd.argument(), "mathbb");
991 case LFUN_FONT_DEFAULT:
992 handleFont(cur, cmd.argument(), "textnormal");
995 case LFUN_FONT_UNDERLINE:
997 cur.handleNest(createInsetMath("underline", cur.buffer()));
999 case LFUN_MATH_MODE: {
1001 // ignore math-mode on when already in math mode
1002 if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
1004 cur.recordUndoSelection();
1005 cur.macroModeClose();
1006 docstring const save_selection = grabAndEraseSelection(cur);
1008 if (currentMode() <= Inset::TEXT_MODE)
1009 cur.plainInsert(MathAtom(new InsetMathEnsureMath(buffer_)));
1011 cur.plainInsert(MathAtom(new InsetMathBox(buffer_, from_ascii("mbox"))));
1013 cur.pushBackward(*cur.nextInset());
1014 cur.niceInsert(save_selection);
1015 cur.forceBufferUpdate();
1017 if (currentMode() == Inset::TEXT_MODE) {
1018 cur.recordUndoSelection();
1019 cur.niceInsert(MathAtom(new InsetMathHull("simple", cur.buffer())));
1020 cur.message(_("create new math text environment ($...$)"));
1022 handleFont(cur, cmd.argument(), "textrm");
1023 cur.message(_("entered math text mode (textrm)"));
1029 case LFUN_REGEXP_MODE: {
1030 InsetMath * im = cur.inset().asInsetMath();
1032 InsetMathHull * i = im->asHullInset();
1033 if (i && i->getType() == hullRegexp) {
1034 cur.message(_("Already in regular expression mode"));
1038 cur.macroModeClose();
1039 docstring const save_selection = grabAndEraseSelection(cur);
1041 cur.plainInsert(MathAtom(new InsetMathHull(buffer_, hullRegexp)));
1043 cur.pushBackward(*cur.nextInset());
1044 cur.niceInsert(save_selection);
1045 cur.message(_("Regular expression editor mode"));
1049 case LFUN_MATH_FONT_STYLE: {
1050 FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, '\\' + cmd.argument());
1051 doDispatch(cur, fr);
1055 case LFUN_MATH_SIZE: {
1056 FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, cmd.argument());
1057 doDispatch(cur, fr);
1061 case LFUN_MATH_MATRIX: {
1067 idocstringstream is(cmd.argument());
1068 is >> m >> n >> v_align >> h_align;
1074 cur.niceInsert(MathAtom(new InsetMathArray(buffer_,
1075 from_ascii("array"), m, n, (char)v_align[0], h_align)));
1079 case LFUN_MATH_AMS_MATRIX: {
1083 docstring name = from_ascii("matrix");
1084 idocstringstream is(cmd.argument());
1085 is >> m >> n >> name;
1090 // check if we have a valid decoration
1091 if (name != "pmatrix" && name != "bmatrix"
1092 && name != "Bmatrix" && name != "vmatrix"
1093 && name != "Vmatrix" && name != "matrix")
1094 name = from_ascii("matrix");
1097 MathAtom(new InsetMathAMSArray(buffer_, name, m, n)));
1101 case LFUN_MATH_DELIM: {
1103 docstring rs = split(cmd.argument(), ls, ' ');
1104 // Reasonable default values
1110 cur.handleNest(MathAtom(new InsetMathDelim(buffer_, ls, rs)));
1114 case LFUN_MATH_BIGDELIM: {
1115 docstring const lname = from_utf8(cmd.getArg(0));
1116 docstring const ldelim = from_utf8(cmd.getArg(1));
1117 docstring const rname = from_utf8(cmd.getArg(2));
1118 docstring const rdelim = from_utf8(cmd.getArg(3));
1119 latexkeys const * l = in_word_set(lname);
1120 bool const have_l = l && l->inset == "big" &&
1121 InsetMathBig::isBigInsetDelim(ldelim);
1122 l = in_word_set(rname);
1123 bool const have_r = l && l->inset == "big" &&
1124 InsetMathBig::isBigInsetDelim(rdelim);
1125 // We mimic LFUN_MATH_DELIM in case we have an empty left
1126 // or right delimiter.
1127 if (have_l || have_r) {
1129 docstring const selection = grabAndEraseSelection(cur);
1132 cur.insert(MathAtom(new InsetMathBig(lname,
1134 // first insert the right delimiter and then go back
1135 // and re-insert the selection (bug 7088)
1137 cur.insert(MathAtom(new InsetMathBig(rname,
1141 cur.niceInsert(selection);
1143 // Don't call cur.undispatched() if we did nothing, this would
1144 // lead to infinite recursion via Text::dispatch().
1148 case LFUN_SPACE_INSERT: {
1149 cur.recordUndoSelection();
1150 string const name = cmd.getArg(0);
1151 if (name == "normal")
1152 cur.insert(MathAtom(new InsetMathSpace(" ", "")));
1153 else if (name == "protected")
1154 cur.insert(MathAtom(new InsetMathSpace("~", "")));
1155 else if (name == "thin" || name == "med" || name == "thick")
1156 cur.insert(MathAtom(new InsetMathSpace(name + "space", "")));
1157 else if (name == "hfill*")
1158 cur.insert(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
1159 else if (name == "quad" || name == "qquad" ||
1160 name == "enspace" || name == "enskip" ||
1161 name == "negthinspace" || name == "negmedspace" ||
1162 name == "negthickspace" || name == "hfill")
1163 cur.insert(MathAtom(new InsetMathSpace(name, "")));
1164 else if (name == "hspace" || name == "hspace*") {
1165 string const len = cmd.getArg(1);
1166 if (len.empty() || !isValidLength(len)) {
1167 lyxerr << "LyX function 'space-insert " << name << "' "
1168 "needs a valid length argument." << endl;
1171 cur.insert(MathAtom(new InsetMathSpace(name, len)));
1173 cur.insert(MathAtom(new InsetMathSpace));
1177 case LFUN_MATH_SPACE:
1178 cur.recordUndoSelection();
1179 if (cmd.argument().empty())
1180 cur.insert(MathAtom(new InsetMathSpace));
1182 string const name = cmd.getArg(0);
1183 string const len = cmd.getArg(1);
1184 cur.insert(MathAtom(new InsetMathSpace(name, len)));
1188 case LFUN_ERT_INSERT:
1189 // interpret this as if a backslash was typed
1191 interpretChar(cur, '\\');
1194 case LFUN_MATH_SUBSCRIPT:
1195 // interpret this as if a _ was typed
1196 cur.recordUndoSelection();
1197 interpretChar(cur, '_');
1200 case LFUN_MATH_SUPERSCRIPT:
1201 // interpret this as if a ^ was typed
1202 cur.recordUndoSelection();
1203 interpretChar(cur, '^');
1206 case LFUN_MATH_MACRO_FOLD:
1207 case LFUN_MATH_MACRO_UNFOLD: {
1209 bool fold = act == LFUN_MATH_MACRO_FOLD;
1210 bool found = findMacroToFoldUnfold(it, fold);
1212 MathMacro * macro = it.nextInset()->asInsetMath()->asMacro();
1213 cur.recordUndoInset();
1222 case LFUN_QUOTE_INSERT:
1223 // interpret this as if a straight " was typed
1224 cur.recordUndoSelection();
1225 interpretChar(cur, '\"');
1228 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
1229 // handling such that "self-insert" works on "arbitrary stuff" too, and
1230 // math-insert only handles special math things like "matrix".
1231 case LFUN_MATH_INSERT: {
1232 cur.recordUndoSelection();
1233 if (cmd.argument() == "^" || cmd.argument() == "_")
1234 interpretChar(cur, cmd.argument()[0]);
1237 asArray(cmd.argument(), ar);
1238 if (cur.selection() && ar.size() == 1
1239 && ar[0]->asNestInset()
1240 && ar[0]->asNestInset()->nargs() > 1)
1241 handleNest(cur, ar[0]);
1243 cur.niceInsert(cmd.argument());
1248 case LFUN_UNICODE_INSERT: {
1249 if (cmd.argument().empty())
1251 docstring hexstring = cmd.argument();
1252 if (isHex(hexstring)) {
1253 char_type c = hexToInt(hexstring);
1254 if (c >= 32 && c < 0x10ffff) {
1255 docstring s = docstring(1, c);
1256 FuncCode code = currentMode() == MATH_MODE ?
1257 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1258 lyx::dispatch(FuncRequest(code, s));
1264 case LFUN_DIALOG_SHOW_NEW_INSET: {
1265 docstring const & name = cmd.argument();
1267 if (name == "ref") {
1268 InsetMathRef tmp(buffer_, name);
1269 data = tmp.createDialogStr();
1270 cur.bv().showDialog(to_utf8(name), data);
1271 } else if (name == "mathspace") {
1272 cur.bv().showDialog(to_utf8(name));
1277 case LFUN_INSET_INSERT: {
1279 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
1280 cur.recordUndoSelection();
1282 cur.forceBufferUpdate();
1287 case LFUN_INSET_DISSOLVE:
1288 if (!asHullInset()) {
1289 cur.recordUndoInset();
1295 InsetMath::doDispatch(cur, cmd);
1301 bool InsetMathNest::findMacroToFoldUnfold(Cursor & it, bool fold) const {
1302 // look for macro to open/close, but stay in mathed
1303 for (; !it.empty(); it.pop_back()) {
1305 // go backward through the current cell
1306 Inset * inset = it.nextInset();
1307 while (inset && inset->asInsetMath()) {
1308 MathMacro * macro = inset->asInsetMath()->asMacro();
1310 // found the an macro to open/close?
1311 if (macro->folded() != fold)
1314 // Wrong folding state.
1315 // If this was the first we see in this slice, look further left,
1317 if (inset != it.nextInset())
1321 // go up if this was the left most position
1327 inset = it.nextInset();
1335 bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
1336 FuncStatus & flag) const
1338 // the font related toggles
1339 //string tc = "mathnormal";
1341 string const arg = to_utf8(cmd.argument());
1342 switch (cmd.action()) {
1343 case LFUN_INSET_MODIFY:
1344 flag.setEnabled(false);
1347 case LFUN_INSET_MODIFY:
1348 // FIXME: check temporarily disabled
1350 char align = mathcursor::valign();
1351 if (align == '\0') {
1355 if (cmd.argument().empty()) {
1359 if (!contains("tcb", cmd.argument()[0])) {
1363 flag.setOnOff(cmd.argument()[0] == align);
1366 /// We have to handle them since 1.4 blocks all unhandled actions
1367 case LFUN_FONT_ITAL:
1368 case LFUN_FONT_BOLD:
1369 case LFUN_FONT_BOLDSYMBOL:
1370 case LFUN_FONT_SANS:
1371 case LFUN_FONT_EMPH:
1372 case LFUN_FONT_TYPEWRITER:
1373 case LFUN_FONT_NOUN:
1374 case LFUN_FONT_ROMAN:
1375 case LFUN_FONT_DEFAULT:
1376 flag.setEnabled(true);
1379 // we just need to be in math mode to enable that
1380 case LFUN_MATH_SIZE:
1381 case LFUN_MATH_SPACE:
1382 case LFUN_MATH_EXTERN:
1383 flag.setEnabled(true);
1386 case LFUN_FONT_UNDERLINE:
1387 case LFUN_FONT_FRAK:
1388 flag.setEnabled(currentMode() != TEXT_MODE);
1391 case LFUN_MATH_FONT_STYLE: {
1392 bool const textarg =
1393 arg == "textbf" || arg == "textsf" ||
1394 arg == "textrm" || arg == "textmd" ||
1395 arg == "textit" || arg == "textsc" ||
1396 arg == "textsl" || arg == "textup" ||
1397 arg == "texttt" || arg == "textbb" ||
1398 arg == "textnormal";
1399 flag.setEnabled(currentMode() != TEXT_MODE || textarg);
1403 case LFUN_MATH_MODE:
1404 // forbid "math-mode on" in math mode to prevent irritating
1405 // behaviour of menu entries (bug 6709)
1406 flag.setEnabled(currentMode() == TEXT_MODE || arg != "on");
1409 case LFUN_MATH_INSERT:
1410 flag.setEnabled(currentMode() != TEXT_MODE);
1413 case LFUN_MATH_AMS_MATRIX:
1414 case LFUN_MATH_MATRIX:
1415 flag.setEnabled(currentMode() == MATH_MODE);
1418 case LFUN_INSET_INSERT: {
1419 // Don't test createMathInset_fromDialogStr(), since
1420 // getStatus is not called with a valid reference and the
1421 // dialog would not be applyable.
1422 string const name = cmd.getArg(0);
1423 flag.setEnabled(name == "ref" || name == "mathspace");
1427 case LFUN_DIALOG_SHOW_NEW_INSET: {
1428 docstring const & name = cmd.argument();
1429 if (name == "space")
1430 flag.setEnabled(false);
1435 case LFUN_MATH_DELIM:
1436 case LFUN_MATH_BIGDELIM:
1437 // Don't do this with multi-cell selections
1438 flag.setEnabled(cur.selBegin().idx() == cur.selEnd().idx());
1441 case LFUN_MATH_MACRO_FOLD:
1442 case LFUN_MATH_MACRO_UNFOLD: {
1444 bool found = findMacroToFoldUnfold(it, cmd.action() == LFUN_MATH_MACRO_FOLD);
1445 flag.setEnabled(found);
1449 case LFUN_SPECIALCHAR_INSERT:
1450 case LFUN_SCRIPT_INSERT:
1451 // FIXME: These would probably make sense in math-text mode
1452 flag.setEnabled(false);
1455 case LFUN_CAPTION_INSERT:
1456 flag.setEnabled(false);
1459 case LFUN_SPACE_INSERT: {
1460 docstring const & name = cmd.argument();
1461 if (name == "visible")
1462 flag.setEnabled(false);
1466 case LFUN_INSET_DISSOLVE:
1467 flag.setEnabled(!asHullInset());
1471 docstring const & name = cmd.argument();
1472 if (name == "html" || name == "latex")
1473 flag.setEnabled(false);
1485 void InsetMathNest::edit(Cursor & cur, bool front, EntryDirection entry_from)
1488 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_RIGHT ||
1489 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1490 cur.idx() = enter_front ? 0 : cur.lastidx();
1491 cur.pos() = enter_front ? 0 : cur.lastpos();
1493 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1497 Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
1500 int dist_min = 1000000;
1501 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1502 int const d = cell(i).dist(cur.bv(), x, y);
1508 MathData & ar = cell(idx_min);
1510 cur.idx() = idx_min;
1511 cur.pos() = ar.x2pos(&cur.bv(), x - ar.xo(cur.bv()));
1513 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1514 if (dist_min == 0) {
1516 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1517 if (ar[i]->covers(cur.bv(), x, y))
1518 return ar[i].nucleus()->editXY(cur, x, y);
1524 void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
1526 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1527 BufferView & bv = cur.bv();
1528 if (cmd.button() == mouse_button::button3) {
1529 // Don't do anything if we right-click a
1530 // selection, a context menu will popup.
1531 if (bv.cursor().selection() && cur >= bv.cursor().selectionBegin()
1532 && cur < bv.cursor().selectionEnd()) {
1533 cur.noScreenUpdate();
1537 bool do_selection = cmd.button() == mouse_button::button1
1538 && cmd.argument() == "region-select";
1539 bv.mouseSetCursor(cur, do_selection);
1540 if (cmd.button() == mouse_button::button1) {
1541 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1542 // Update the cursor update flags as needed:
1544 // Update::Decoration: tells to update the decoration
1545 // (visual box corners that define
1547 // Update::FitCursor: adjust the screen to the cursor
1548 // position if needed
1549 // cur.result().update(): don't overwrite previously set flags.
1550 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor
1551 | cur.result().screenUpdate());
1552 } else if (cmd.button() == mouse_button::button2) {
1553 if (cap::selection()) {
1554 // See comment in Text::dispatch why we do this
1555 cap::copySelectionToStack();
1556 cmd = FuncRequest(LFUN_PASTE, "0");
1557 doDispatch(bv.cursor(), cmd);
1560 asArray(theSelection().get(), ar);
1561 bv.cursor().insert(ar);
1567 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
1569 // only select with button 1
1570 if (cmd.button() == mouse_button::button1) {
1571 Cursor & bvcur = cur.bv().cursor();
1572 if (bvcur.realAnchor().hasPart(cur)) {
1573 //lyxerr << "## lfunMouseMotion: cursor: " << cur << endl;
1574 bvcur.setCursor(cur);
1575 bvcur.setSelection(true);
1576 //lyxerr << "MOTION " << bvcur << endl;
1583 void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
1585 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1587 if (cmd.button() == mouse_button::button1) {
1588 if (!cur.selection())
1589 cur.noScreenUpdate();
1591 Cursor & bvcur = cur.bv().cursor();
1592 bvcur.setSelection(true);
1601 bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
1603 //lyxerr << "interpret 2: '" << c << "'" << endl;
1604 docstring save_selection;
1605 if (c == '^' || c == '_')
1606 save_selection = grabAndEraseSelection(cur);
1609 Buffer * buf = cur.buffer();
1612 if (cur.inMacroMode()) {
1613 docstring name = cur.macroName();
1615 /// are we currently typing '#1' or '#2' or...?
1616 if (name == "\\#") {
1619 if (n >= 1 && n <= 9)
1620 cur.insert(new MathMacroArgument(n));
1624 // do not finish macro for known * commands
1625 MathWordList const & mwl = mathedWordList();
1626 bool star_macro = c == '*'
1627 && (mwl.find(name.substr(1) + "*") != mwl.end()
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::TEXT_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 == '{') {
1648 cur.niceInsert(MathAtom(new InsetMathBrace(buf)));
1649 } else if (c == '%') {
1651 cur.niceInsert(MathAtom(new InsetMathComment(buf)));
1652 } else if (c == '#') {
1653 LASSERT(cur.activeMacro(), return false);
1654 cur.activeMacro()->setName(name + docstring(1, c));
1657 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1662 // One character big delimiters. The others are handled in
1663 // interpretString().
1664 latexkeys const * l = in_word_set(name.substr(1));
1665 if (name[0] == '\\' && l && l->inset == "big") {
1669 delim = from_ascii("\\{");
1672 delim = from_ascii("\\}");
1675 delim = docstring(1, c);
1678 if (InsetMathBig::isBigInsetDelim(delim)) {
1679 // name + delim ared a valid InsetMathBig.
1680 // We can't use cur.macroModeClose() because
1681 // it does not handle delim.
1682 InsetMathUnknown * p = cur.activeMacro();
1685 cur.cell().erase(cur.pos());
1686 cur.plainInsert(MathAtom(
1687 new InsetMathBig(name.substr(1), delim)));
1690 } else if (name == "\\smash" && c == '[') {
1691 // We can't use cur.macroModeClose() because
1692 // it would create an InsetMathPhantom
1693 InsetMathUnknown * p = cur.activeMacro();
1695 interpretChar(cur, c);
1699 // leave macro mode and try again if necessary
1700 if (cur.macroModeClose()) {
1701 MathAtom const atom = cur.prevAtom();
1702 if (atom->asNestInset() && atom->isActive()) {
1704 cur.pushBackward(*cur.nextInset());
1708 cur.niceInsert(MathAtom(new InsetMathBrace(buf)));
1710 interpretChar(cur, c);
1715 // leave autocorrect mode if necessary
1716 if (lyxrc.autocorrection_math && c == ' ' && cur.autocorrect()) {
1717 cur.autocorrect() = false;
1718 cur.message(_("Autocorrect Off ('!' to enter)"));
1721 if (lyxrc.autocorrection_math && c == '!' && !cur.autocorrect()) {
1722 cur.autocorrect() = true;
1723 cur.message(_("Autocorrect On (<space> to exit)"));
1727 // just clear selection on pressing the space bar
1728 if (cur.selection() && c == ' ') {
1729 cur.setSelection(false);
1734 //lyxerr << "starting with macro" << endl;
1735 bool reduced = cap::reduceSelectionToOneCell(cur);
1736 if (reduced || !cur.selection()) {
1737 cur.recordUndoInset();
1738 docstring const safe = cap::grabAndEraseSelection(cur);
1739 if (!cur.inRegexped())
1740 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), safe, false)));
1742 cur.niceInsert(createInsetMath("backslash", buf));
1750 if (currentMode() <= InsetMath::TEXT_MODE)
1756 if (currentMode() <= InsetMath::TEXT_MODE) {
1757 // insert spaces in text or undecided mode,
1758 // but suppress direct insertion of two spaces in a row
1759 // the still allows typing '<space>a<space>' and deleting the 'a', but
1760 // it is better than nothing...
1761 if (!cur.pos() != 0 || cur.prevAtom()->getChar() != ' ') {
1763 // FIXME: we have to enable full redraw here because of the
1764 // visual box corners that define the inset. If we know for
1765 // sure that we stay within the same cell we can optimize for
1767 //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1771 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1772 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1773 // FIXME: we have to enable full redraw here because of the
1774 // visual box corners that define the inset. If we know for
1775 // sure that we stay within the same cell we can optimize for
1777 //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1781 if (cur.popForward()) {
1782 // FIXME: we have to enable full redraw here because of the
1783 // visual box corners that define the inset. If we know for
1784 // sure that we stay within the same cell we can optimize for
1786 //cur.screenUpdateFlags(Update::FitCursor);
1790 // if we are at the very end, leave the formula
1791 return cur.pos() != cur.lastpos();
1794 // These should be treated differently when not in text mode:
1795 if (cur.inRegexped()) {
1798 cur.niceInsert(createInsetMath("backslash", buf));
1801 cur.niceInsert(createInsetMath("mathcircumflex", buf));
1808 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1811 cur.niceInsert(createInsetMath("sim", buf));
1817 } else if (currentMode() != InsetMath::TEXT_MODE) {
1819 script(cur, false, save_selection);
1823 script(cur, true, save_selection);
1827 cur.niceInsert(createInsetMath("sim", buf));
1830 if (currentMode() == InsetMath::MATH_MODE && !isAsciiOrMathAlpha(c)) {
1831 MathAtom at = createInsetMath("text", buf);
1832 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
1839 cur.niceInsert(createInsetMath("textasciicircum", buf));
1843 cur.niceInsert(createInsetMath("textasciitilde", buf));
1848 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1849 c == '%' || c == '_') {
1850 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1855 // try auto-correction
1856 if (lyxrc.autocorrection_math && cur.autocorrect() && cur.pos() != 0
1857 && math_autocorrect(cur.prevAtom(), c))
1860 // no special circumstances, so insert the character without any fuss
1862 if (lyxrc.autocorrection_math) {
1863 if (!cur.autocorrect())
1864 cur.message(_("Autocorrect Off ('!' to enter)"));
1866 cur.message(_("Autocorrect On (<space> to exit)"));
1872 bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
1874 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1876 if (!cur.empty() && cur.pos() > 0 &&
1877 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1878 if (InsetMathBig::isBigInsetDelim(str)) {
1879 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1880 if (prev[0] == '\\') {
1881 prev = prev.substr(1);
1882 latexkeys const * l = in_word_set(prev);
1883 if (l && l->inset == "big") {
1884 cur.cell()[cur.pos() - 1] =
1885 MathAtom(new InsetMathBig(prev, str));
1895 bool InsetMathNest::script(Cursor & cur, bool up)
1897 return script(cur, up, docstring());
1901 bool InsetMathNest::script(Cursor & cur, bool up,
1902 docstring const & save_selection)
1904 // Hack to get \^ and \_ working
1905 //lyxerr << "handling script: up: " << up << endl;
1906 if (cur.inMacroMode() && cur.macroName() == "\\") {
1908 cur.niceInsert(createInsetMath("mathcircumflex", cur.buffer()));
1910 interpretChar(cur, '_');
1914 cur.macroModeClose();
1915 if (asScriptInset() && cur.idx() == 0) {
1916 // we are in a nucleus of a script inset, move to _our_ script
1917 InsetMathScript * inset = asScriptInset();
1918 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1920 cur.idx() = inset->idxOfScript(up);
1922 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1924 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1927 cur.idx() = inset->idxOfScript(up);
1928 cur.pos() = cur.lastpos();
1930 // convert the thing to our left to a scriptinset or create a new
1931 // one if in the very first position of the array
1932 if (cur.pos() == 0) {
1933 //lyxerr << "new scriptinset" << endl;
1934 cur.insert(new InsetMathScript(buffer_, up));
1936 //lyxerr << "converting prev atom " << endl;
1937 cur.prevAtom() = MathAtom(new InsetMathScript(buffer_, cur.prevAtom(), up));
1940 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1941 // See comment in MathParser.cpp for special handling of {}-bases
1947 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1948 cur.niceInsert(save_selection);
1950 //lyxerr << "inserting selection 2:\n" << save_selection << endl;
1955 bool InsetMathNest::completionSupported(Cursor const & cur) const
1957 return cur.inMacroMode();
1961 bool InsetMathNest::inlineCompletionSupported(Cursor const & cur) const
1963 return cur.inMacroMode();
1967 bool InsetMathNest::automaticInlineCompletion() const
1969 return lyxrc.completion_inline_math;
1973 bool InsetMathNest::automaticPopupCompletion() const
1975 return lyxrc.completion_popup_math;
1979 CompletionList const *
1980 InsetMathNest::createCompletionList(Cursor const & cur) const
1982 if (!cur.inMacroMode())
1985 return new MathCompletionList(cur);
1989 docstring InsetMathNest::completionPrefix(Cursor const & cur) const
1991 if (!cur.inMacroMode())
1994 return cur.activeMacro()->name();
1998 bool InsetMathNest::insertCompletion(Cursor & cur, docstring const & s,
2001 if (!cur.inMacroMode())
2004 // append completion to active macro
2005 InsetMathUnknown * inset = cur.activeMacro();
2006 inset->setName(inset->name() + s);
2011 // FIXME: this creates duplicates in the completion popup
2012 // which looks ugly. Moreover the changes the list lengths
2014 confuse the popup as well.
2015 MathCompletionList::addToFavorites(inset->name());
2017 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, " "));
2024 void InsetMathNest::completionPosAndDim(Cursor const & cur, int & x, int & y,
2025 Dimension & dim) const
2027 Inset const * inset = cur.activeMacro();
2031 // get inset dimensions
2032 dim = cur.bv().coordCache().insets().dim(inset);
2033 // FIXME: these 3 are no accurate, but should depend on the font.
2034 // Now the popup jumps down if you enter a char with descent > 0.
2039 Point xy = cur.bv().coordCache().insets().xy(inset);
2045 bool InsetMathNest::cursorMathForward(Cursor & cur)
2047 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
2048 cur.pushBackward(*cur.nextAtom().nucleus());
2049 cur.inset().idxFirst(cur);
2052 if (cur.posForward() || idxForward(cur))
2054 // try to pop forwards --- but don't pop out of math! leave that to
2056 int s = cur.depth() - 2;
2057 if (s >= 0 && cur[s].inset().asInsetMath())
2058 return cur.popForward();
2063 bool InsetMathNest::cursorMathBackward(Cursor & cur)
2065 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
2067 cur.push(*cur.nextAtom().nucleus());
2068 cur.inset().idxLast(cur);
2071 if (cur.posBackward() || idxBackward(cur))
2073 // try to pop backwards --- but don't pop out of math! leave that to
2075 int s = cur.depth() - 2;
2076 if (s >= 0 && cur[s].inset().asInsetMath())
2077 return cur.popBackward();
2082 ////////////////////////////////////////////////////////////////////
2084 MathCompletionList::MathCompletionList(Cursor const & cur)
2086 // fill it with macros from the buffer
2087 MacroNameSet macros;
2088 cur.buffer()->listMacroNames(macros);
2089 MacroNameSet::const_iterator it;
2090 for (it = macros.begin(); it != macros.end(); ++it) {
2091 if (cur.buffer()->getMacro(*it, cur, false))
2092 locals.push_back("\\" + *it);
2094 sort(locals.begin(), locals.end());
2096 if (!globals.empty())
2099 // fill in global macros
2101 MacroTable::globalMacros().getMacroNames(macros);
2102 //lyxerr << "Globals completion macros: ";
2103 for (it = macros.begin(); it != macros.end(); ++it) {
2104 //lyxerr << "\\" + *it << " ";
2105 globals.push_back("\\" + *it);
2107 //lyxerr << std::endl;
2109 // fill in global commands
2110 globals.push_back(from_ascii("\\boxed"));
2111 globals.push_back(from_ascii("\\fbox"));
2112 globals.push_back(from_ascii("\\framebox"));
2113 globals.push_back(from_ascii("\\makebox"));
2114 globals.push_back(from_ascii("\\kern"));
2115 globals.push_back(from_ascii("\\xrightarrow"));
2116 globals.push_back(from_ascii("\\xleftarrow"));
2117 globals.push_back(from_ascii("\\split"));
2118 globals.push_back(from_ascii("\\gathered"));
2119 globals.push_back(from_ascii("\\aligned"));
2120 globals.push_back(from_ascii("\\alignedat"));
2121 globals.push_back(from_ascii("\\cases"));
2122 globals.push_back(from_ascii("\\substack"));
2123 globals.push_back(from_ascii("\\xymatrix"));
2124 globals.push_back(from_ascii("\\Diagram"));
2125 globals.push_back(from_ascii("\\subarray"));
2126 globals.push_back(from_ascii("\\array"));
2127 globals.push_back(from_ascii("\\sqrt"));
2128 globals.push_back(from_ascii("\\root"));
2129 globals.push_back(from_ascii("\\tabular"));
2130 globals.push_back(from_ascii("\\stackrel"));
2131 globals.push_back(from_ascii("\\stackrelthree"));
2132 globals.push_back(from_ascii("\\binom"));
2133 globals.push_back(from_ascii("\\choose"));
2134 globals.push_back(from_ascii("\\brace"));
2135 globals.push_back(from_ascii("\\brack"));
2136 globals.push_back(from_ascii("\\frac"));
2137 globals.push_back(from_ascii("\\over"));
2138 globals.push_back(from_ascii("\\nicefrac"));
2139 globals.push_back(from_ascii("\\unitfrac"));
2140 globals.push_back(from_ascii("\\unitfracthree"));
2141 globals.push_back(from_ascii("\\unitone"));
2142 globals.push_back(from_ascii("\\unittwo"));
2143 globals.push_back(from_ascii("\\infer"));
2144 globals.push_back(from_ascii("\\atop"));
2145 globals.push_back(from_ascii("\\lefteqn"));
2146 globals.push_back(from_ascii("\\boldsymbol"));
2147 globals.push_back(from_ascii("\\bm"));
2148 globals.push_back(from_ascii("\\color"));
2149 globals.push_back(from_ascii("\\normalcolor"));
2150 globals.push_back(from_ascii("\\textcolor"));
2151 globals.push_back(from_ascii("\\cfrac"));
2152 globals.push_back(from_ascii("\\cfracleft"));
2153 globals.push_back(from_ascii("\\cfracright"));
2154 globals.push_back(from_ascii("\\dfrac"));
2155 globals.push_back(from_ascii("\\tfrac"));
2156 globals.push_back(from_ascii("\\dbinom"));
2157 globals.push_back(from_ascii("\\tbinom"));
2158 globals.push_back(from_ascii("\\hphantom"));
2159 globals.push_back(from_ascii("\\phantom"));
2160 globals.push_back(from_ascii("\\vphantom"));
2161 globals.push_back(from_ascii("\\cancel"));
2162 globals.push_back(from_ascii("\\bcancel"));
2163 globals.push_back(from_ascii("\\xcancel"));
2164 globals.push_back(from_ascii("\\cancelto"));
2165 globals.push_back(from_ascii("\\smash"));
2166 globals.push_back(from_ascii("\\mathclap"));
2167 globals.push_back(from_ascii("\\mathllap"));
2168 globals.push_back(from_ascii("\\mathrlap"));
2169 MathWordList const & words = mathedWordList();
2170 MathWordList::const_iterator it2;
2171 //lyxerr << "Globals completion commands: ";
2172 for (it2 = words.begin(); it2 != words.end(); ++it2) {
2173 globals.push_back("\\" + (*it2).first);
2174 //lyxerr << "\\" + (*it2).first << " ";
2176 //lyxerr << std::endl;
2177 sort(globals.begin(), globals.end());
2181 MathCompletionList::~MathCompletionList()
2186 size_type MathCompletionList::size() const
2188 return locals.size() + globals.size();
2192 docstring const & MathCompletionList::data(size_t idx) const
2194 size_t lsize = locals.size();
2196 return globals[idx - lsize];
2202 std::string MathCompletionList::icon(size_t idx) const
2204 // get the latex command
2206 size_t lsize = locals.size();
2208 cmd = globals[idx - lsize];
2212 // get the icon resource name by stripping the backslash
2213 return "images/math/" + to_utf8(cmd.substr(1)) + ".png";
2216 std::vector<docstring> MathCompletionList::globals;