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"
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"
53 #include "OutputParams.h"
56 #include "frontends/Application.h"
57 #include "frontends/Clipboard.h"
58 #include "frontends/Painter.h"
59 #include "frontends/Selection.h"
61 #include "support/lassert.h"
62 #include "support/debug.h"
63 #include "support/gettext.h"
64 #include "support/lstrings.h"
65 #include "support/textutils.h"
66 #include "support/docstream.h"
72 using namespace lyx::support;
76 using cap::copySelection;
77 using cap::grabAndEraseSelection;
78 using cap::cutSelection;
79 using cap::replaceSelection;
80 using cap::selClearOrDel;
83 InsetMathNest::InsetMathNest(Buffer * buf, idx_type nargs)
84 : InsetMath(buf), cells_(nargs), lock_(false)
90 InsetMathNest::InsetMathNest(InsetMathNest const & inset)
91 : InsetMath(inset), cells_(inset.cells_), lock_(inset.lock_)
95 InsetMathNest::~InsetMathNest()
97 map<BufferView const *, bool>::iterator it = mouse_hover_.begin();
98 map<BufferView const *, bool>::iterator end = mouse_hover_.end();
99 for (; it != end; ++it)
101 it->first->clearLastInset(this);
105 InsetMathNest & InsetMathNest::operator=(InsetMathNest const & inset)
107 cells_ = inset.cells_;
109 mouse_hover_.clear();
110 InsetMath::operator=(inset);
115 void InsetMathNest::setBuffer(Buffer & buffer)
117 InsetMath::setBuffer(buffer);
118 for (idx_type i = 0, n = nargs(); i != n; ++i) {
119 MathData & data = cell(i);
120 for (size_t j = 0; j != data.size(); ++j)
121 data[j].nucleus()->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");
176 void InsetMathNest::metrics(MetricsInfo const & mi) const
179 for (idx_type i = 0, n = nargs(); i != n; ++i) {
181 cell(i).metrics(m, dim);
186 void InsetMathNest::updateBuffer(ParIterator const & it, UpdateType utype)
188 for (idx_type i = 0, n = nargs(); i != n; ++i)
189 cell(i).updateBuffer(it, utype);
194 bool InsetMathNest::idxNext(Cursor & cur) const
196 LASSERT(&cur.inset() == this, return false);
197 if (cur.idx() == cur.lastidx())
205 bool InsetMathNest::idxForward(Cursor & cur) const
211 bool InsetMathNest::idxPrev(Cursor & cur) const
213 LASSERT(&cur.inset() == this, return false);
217 cur.pos() = cur.lastpos();
222 bool InsetMathNest::idxBackward(Cursor & cur) const
228 bool InsetMathNest::idxFirst(Cursor & cur) const
230 LASSERT(&cur.inset() == this, return false);
239 bool InsetMathNest::idxLast(Cursor & cur) const
241 LASSERT(&cur.inset() == this, return false);
244 cur.idx() = cur.lastidx();
245 cur.pos() = cur.lastpos();
250 void InsetMathNest::dump() const
252 odocstringstream oss;
254 os << "---------------------------------------------\n";
257 for (idx_type i = 0, n = nargs(); i != n; ++i)
258 os << cell(i) << "\n";
259 os << "---------------------------------------------\n";
260 lyxerr << to_utf8(oss.str());
264 void InsetMathNest::draw(PainterInfo & pi, int x, int y) const
268 pi.pain.fillRectangle(x, y - ascent(), width(), height(),
271 setPosCache(pi, x, y);
275 void InsetMathNest::drawSelection(PainterInfo & pi, int x, int y) const
277 BufferView & bv = *pi.base.bv;
278 // this should use the x/y values given, not the cached values
279 Cursor & cur = bv.cursor();
280 if (!cur.selection())
282 if (&cur.inset() != this)
285 // FIXME: hack to get position cache warm
286 bool const original_drawing_state = pi.pain.isDrawingEnabled();
287 pi.pain.setDrawingEnabled(false);
289 pi.pain.setDrawingEnabled(original_drawing_state);
291 CursorSlice s1 = cur.selBegin();
292 CursorSlice s2 = cur.selEnd();
294 //lyxerr << "InsetMathNest::drawing selection: "
295 // << " s1: " << s1 << " s2: " << s2 << endl;
296 if (s1.idx() == s2.idx()) {
297 MathData const & c = cell(s1.idx());
298 Geometry const & g = bv.coordCache().getArrays().geometry(&c);
299 int x1 = g.pos.x_ + c.pos2x(pi.base.bv, s1.pos());
300 int y1 = g.pos.y_ - g.dim.ascent();
301 int x2 = g.pos.x_ + c.pos2x(pi.base.bv, s2.pos());
302 int y2 = g.pos.y_ + g.dim.descent();
303 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
304 //lyxerr << "InsetMathNest::drawing selection 3: "
305 // << " x1: " << x1 << " x2: " << x2
306 // << " y1: " << y1 << " y2: " << y2 << endl;
308 for (idx_type i = 0; i < nargs(); ++i) {
309 if (idxBetween(i, s1.idx(), s2.idx())) {
310 MathData const & c = cell(i);
311 Geometry const & g = bv.coordCache().getArrays().geometry(&c);
313 int y1 = g.pos.y_ - g.dim.ascent();
314 int x2 = g.pos.x_ + g.dim.width();
315 int y2 = g.pos.y_ + g.dim.descent();
316 pi.pain.fillRectangle(x1, y1, x2 - x1, y2 - y1, Color_selection);
323 void InsetMathNest::validate(LaTeXFeatures & features) const
325 for (idx_type i = 0; i < nargs(); ++i)
326 cell(i).validate(features);
330 void InsetMathNest::replace(ReplaceData & rep)
332 for (idx_type i = 0; i < nargs(); ++i)
333 cell(i).replace(rep);
337 bool InsetMathNest::contains(MathData const & ar) const
339 for (idx_type i = 0; i < nargs(); ++i)
340 if (cell(i).contains(ar))
346 bool InsetMathNest::lock() const
352 void InsetMathNest::lock(bool l)
358 bool InsetMathNest::isActive() const
364 MathData InsetMathNest::glue() const
367 for (size_t i = 0; i < nargs(); ++i)
373 void InsetMathNest::write(WriteStream & os) const
375 MathEnsurer ensurer(os, currentMode() == MATH_MODE);
376 ModeSpecifier specifier(os, currentMode(), lockedMode());
377 docstring const latex_name = name();
378 os << '\\' << latex_name;
379 for (size_t i = 0; i < nargs(); ++i)
380 os << '{' << cell(i) << '}';
382 os.pendingSpace(true);
383 if (lock_ && !os.latex()) {
385 os.pendingSpace(true);
390 void InsetMathNest::normalize(NormalStream & os) const
393 for (size_t i = 0; i < nargs(); ++i)
394 os << ' ' << cell(i);
399 void InsetMathNest::latex(otexstream & os, OutputParams const & runparams) const
401 WriteStream wi(os.os(), runparams.moving_arg, true,
402 runparams.dryrun ? WriteStream::wsDryrun : WriteStream::wsDefault,
404 wi.canBreakLine(os.canBreakLine());
406 // Reset parbreak status after a math inset.
408 os.canBreakLine(wi.canBreakLine());
411 if (lf > 0 && runparams.lastid != -1) {
413 os.texrow().newline();
414 os.texrow().start(runparams.lastid, runparams.lastpos);
416 os.texrow().newlines(lf);
420 bool InsetMathNest::setMouseHover(BufferView const * bv, bool mouse_hover)
423 mouse_hover_[bv] = mouse_hover;
428 bool InsetMathNest::notifyCursorLeaves(Cursor const & /*old*/, Cursor & /*cur*/)
432 MathData & ar = cur.cell();
433 // remove base-only "scripts"
434 for (pos_type i = 0; i + 1 < ar.size(); ++i) {
435 InsetMathScript * p = operator[](i).nucleus()->asScriptInset();
436 if (p && p->nargs() == 1) {
437 MathData ar = p->nuc();
440 cur.adjust(i, ar.size() - 1);
444 // glue adjacent font insets of the same kind
445 for (pos_type i = 0; i + 1 < size(); ++i) {
446 InsetMathFont * p = operator[](i).nucleus()->asFontInset();
447 InsetMathFont const * q = operator[](i + 1)->asFontInset();
448 if (p && q && p->name() == q->name()) {
449 p->cell(0).append(q->cell(0));
459 void InsetMathNest::handleFont
460 (Cursor & cur, docstring const & arg, char const * const font)
462 handleFont(cur, arg, from_ascii(font));
466 void InsetMathNest::handleFont(Cursor & cur, docstring const & arg,
467 docstring const & font)
469 cur.recordUndoSelection();
471 // this whole function is a hack and won't work for incremental font
473 if (cur.inset().asInsetMath()->name() == font)
474 cur.handleFont(to_utf8(font));
476 handleNest(cur, createInsetMath(font, cur.buffer()), arg);
480 void InsetMathNest::handleNest(Cursor & cur, MathAtom const & nest)
482 handleNest(cur, nest, docstring());
486 void InsetMathNest::handleNest(Cursor & cur, MathAtom const & nest,
487 docstring const & arg)
489 CursorSlice i1 = cur.selBegin();
490 CursorSlice i2 = cur.selEnd();
491 if (!i1.inset().asInsetMath())
493 if (i1.idx() == i2.idx()) {
494 // the easy case where only one cell is selected
495 cur.handleNest(nest);
500 // multiple selected cells in a simple non-grid inset
501 if (i1.asInsetMath()->nrows() == 0 || i1.asInsetMath()->ncols() == 0) {
502 for (idx_type i = i1.idx(); i <= i2.idx(); ++i) {
507 cur.pos() = cur.lastpos();
510 // change font of cell
511 cur.handleNest(nest);
514 // cur is in the font inset now. If the loop continues,
515 // we need to get outside again for the next cell
516 if (i + 1 <= i2.idx())
522 // the complicated case with multiple selected cells in a grid
525 cap::region(i1, i2, r1, r2, c1, c2);
526 for (row_type row = r1; row <= r2; ++row) {
527 for (col_type col = c1; col <= c2; ++col) {
529 cur.idx() = i1.asInsetMath()->index(row, col);
532 cur.pos() = cur.lastpos();
536 cur.handleNest(nest);
539 // cur is in the font inset now. If the loop continues,
540 // we need to get outside again for the next cell
541 if (col + 1 <= c2 || row + 1 <= r2)
548 void InsetMathNest::handleFont2(Cursor & cur, docstring const & arg)
550 cur.recordUndoSelection();
553 font.fromString(to_utf8(arg), b);
554 if (font.fontInfo().color() != Color_inherit &&
555 font.fontInfo().color() != Color_ignore)
556 handleNest(cur, MathAtom(new InsetMathColor(buffer_, true, font.fontInfo().color())));
558 // FIXME: support other font changes here as well?
562 void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
564 //LYXERR0("InsetMathNest: request: " << cmd);
566 Parse::flags parseflg = Parse::QUIET | Parse::USETEXT;
568 FuncCode const act = cmd.action();
571 case LFUN_CLIPBOARD_PASTE:
572 parseflg |= Parse::VERBATIM;
575 if (cur.currentMode() <= TEXT_MODE)
576 parseflg |= Parse::TEXTMODE;
577 cur.recordUndoSelection();
578 cur.message(_("Paste"));
579 replaceSelection(cur);
581 if (cmd.argument().empty() && !theClipboard().isInternal())
582 topaste = theClipboard().getAsText(Clipboard::PlainTextType);
585 idocstringstream is(cmd.argument());
587 topaste = cap::selection(n, buffer().params().documentClassPtr());
589 cur.niceInsert(topaste, parseflg, false);
590 cur.clearSelection(); // bug 393
591 cur.forceBufferUpdate();
598 cutSelection(cur, true, true);
599 cur.message(_("Cut"));
600 // Prevent stale position >= size crash
601 // Probably not necessary anymore, see eraseSelection (gb 2005-10-09)
603 cur.forceBufferUpdate();
608 cur.message(_("Copy"));
611 case LFUN_MOUSE_PRESS:
612 lfunMousePress(cur, cmd);
615 case LFUN_MOUSE_MOTION:
616 lfunMouseMotion(cur, cmd);
619 case LFUN_MOUSE_RELEASE:
620 lfunMouseRelease(cur, cmd);
623 case LFUN_FINISHED_LEFT: // in math, left is backwards
624 case LFUN_FINISHED_BACKWARD:
625 cur.bv().cursor() = cur;
628 case LFUN_FINISHED_RIGHT: // in math, right is forward
629 case LFUN_FINISHED_FORWARD:
631 cur.bv().cursor() = cur;
634 case LFUN_CHAR_RIGHT:
636 case LFUN_CHAR_BACKWARD:
637 case LFUN_CHAR_FORWARD:
638 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
640 case LFUN_CHAR_RIGHT_SELECT:
641 case LFUN_CHAR_LEFT_SELECT:
642 case LFUN_CHAR_BACKWARD_SELECT:
643 case LFUN_CHAR_FORWARD_SELECT: {
644 // are we in a selection?
645 bool select = (act == LFUN_CHAR_RIGHT_SELECT
646 || act == LFUN_CHAR_LEFT_SELECT
647 || act == LFUN_CHAR_BACKWARD_SELECT
648 || act == LFUN_CHAR_FORWARD_SELECT);
649 // are we moving forward or backwards?
650 // If the command was RIGHT or LEFT, then whether we're moving forward
651 // or backwards depends on the cursor movement mode (logical or visual):
652 // * in visual mode, since math is always LTR, right -> forward,
654 // * in logical mode, the mapping is determined by the
655 // reverseDirectionNeeded() function
658 FuncCode finish_lfun;
660 if (act == LFUN_CHAR_FORWARD
661 || act == LFUN_CHAR_FORWARD_SELECT) {
663 finish_lfun = LFUN_FINISHED_FORWARD;
665 else if (act == LFUN_CHAR_BACKWARD
666 || act == LFUN_CHAR_BACKWARD_SELECT) {
668 finish_lfun = LFUN_FINISHED_BACKWARD;
671 bool right = (act == LFUN_CHAR_RIGHT_SELECT
672 || act == LFUN_CHAR_RIGHT);
673 if (lyxrc.visual_cursor || !cur.reverseDirectionNeeded())
679 finish_lfun = LFUN_FINISHED_RIGHT;
681 finish_lfun = LFUN_FINISHED_LEFT;
683 // Now that we know exactly what we want to do, let's do it!
684 cur.selHandle(select);
686 cur.macroModeClose();
687 // try moving forward or backwards as necessary...
688 if (!(forward ? cursorMathForward(cur) : cursorMathBackward(cur))) {
689 // ... and if movement failed, then finish forward or backwards
691 cmd = FuncRequest(finish_lfun);
699 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
701 case LFUN_DOWN_SELECT:
702 case LFUN_UP_SELECT: {
703 // close active macro
704 if (cur.inMacroMode()) {
705 cur.macroModeClose();
709 // stop/start the selection
710 bool select = act == LFUN_DOWN_SELECT ||
711 act == LFUN_UP_SELECT;
712 cur.selHandle(select);
714 // handle autocorrect:
715 cur.autocorrect() = false;
716 cur.message(_("Autocorrect Off ('!' to enter)"));
719 bool up = act == LFUN_UP || act == LFUN_UP_SELECT;
720 bool successful = cur.upDownInMath(up);
724 if (cur.fixIfBroken())
725 // FIXME: Something bad happened. We pass the corrected Cursor
726 // instead of letting things go worse.
729 // We did not manage to move the cursor.
734 case LFUN_MOUSE_DOUBLE:
735 case LFUN_MOUSE_TRIPLE:
736 case LFUN_WORD_SELECT:
740 cur.setSelection(true);
741 cur.idx() = cur.lastidx();
742 cur.pos() = cur.lastpos();
743 cur.bv().cursor() = cur;
746 case LFUN_PARAGRAPH_UP:
747 case LFUN_PARAGRAPH_DOWN:
748 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
750 case LFUN_PARAGRAPH_UP_SELECT:
751 case LFUN_PARAGRAPH_DOWN_SELECT:
754 case LFUN_LINE_BEGIN:
755 case LFUN_WORD_BACKWARD:
757 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
759 case LFUN_LINE_BEGIN_SELECT:
760 case LFUN_WORD_BACKWARD_SELECT:
761 case LFUN_WORD_LEFT_SELECT:
762 cur.selHandle(act == LFUN_WORD_BACKWARD_SELECT ||
763 act == LFUN_WORD_LEFT_SELECT ||
764 act == LFUN_LINE_BEGIN_SELECT);
765 cur.macroModeClose();
766 if (cur.pos() != 0) {
768 } else if (cur.col() != 0) {
769 cur.idx() -= cur.col();
771 } else if (cur.idx() != 0) {
775 cmd = FuncRequest(LFUN_FINISHED_BACKWARD);
780 case LFUN_WORD_FORWARD:
781 case LFUN_WORD_RIGHT:
783 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
785 case LFUN_WORD_FORWARD_SELECT:
786 case LFUN_WORD_RIGHT_SELECT:
787 case LFUN_LINE_END_SELECT:
788 cur.selHandle(act == LFUN_WORD_FORWARD_SELECT ||
789 act == LFUN_WORD_RIGHT_SELECT ||
790 act == LFUN_LINE_END_SELECT);
791 cur.macroModeClose();
793 if (cur.pos() != cur.lastpos()) {
794 cur.pos() = cur.lastpos();
795 } else if (ncols() && (cur.col() != cur.lastcol())) {
796 cur.idx() = cur.idx() - cur.col() + cur.lastcol();
797 cur.pos() = cur.lastpos();
798 } else if (cur.idx() != cur.lastidx()) {
799 cur.idx() = cur.lastidx();
800 cur.pos() = cur.lastpos();
802 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
807 case LFUN_CELL_FORWARD:
808 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
809 cur.inset().idxNext(cur);
812 case LFUN_CELL_BACKWARD:
813 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor);
814 cur.inset().idxPrev(cur);
817 case LFUN_WORD_DELETE_BACKWARD:
818 case LFUN_CHAR_DELETE_BACKWARD:
820 // May affect external cell:
821 cur.recordUndoInset();
822 else if (!cur.inMacroMode())
823 cur.recordUndoSelection();
824 // if the inset can not be removed from within, delete it
825 if (!cur.backspace()) {
826 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
827 cur.innerText()->dispatch(cur, cmd);
831 case LFUN_WORD_DELETE_FORWARD:
832 case LFUN_CHAR_DELETE_FORWARD:
833 if (cur.pos() == cur.lastpos())
834 // May affect external cell:
835 cur.recordUndoInset();
837 cur.recordUndoSelection();
838 // if the inset can not be removed from within, delete it
840 FuncRequest cmd = FuncRequest(LFUN_CHAR_DELETE_FORWARD);
841 cur.innerText()->dispatch(cur, cmd);
847 cur.clearSelection();
849 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
854 // 'Locks' the math inset. A 'locked' math inset behaves as a unit
855 // that is traversed by a single <CursorLeft>/<CursorRight>.
856 case LFUN_INSET_TOGGLE:
862 case LFUN_SELF_INSERT:
863 if (cmd.argument().size() != 1) {
864 cur.recordUndoSelection();
865 docstring const arg = cmd.argument();
866 if (!interpretString(cur, arg))
870 // Don't record undo steps if we are in macro mode and thus
871 // cmd.argument is the next character of the macro name.
872 // Otherwise we'll get an invalid cursor if we undo after
873 // the macro was finished and the macro is a known command,
874 // e.g. sqrt. Cursor::macroModeClose replaces in this case
875 // the InsetMathUnknown with name "frac" by an empty
876 // InsetMathFrac -> a pos value > 0 is invalid.
877 // A side effect is that an undo before the macro is finished
878 // undoes the complete macro, not only the last character.
879 // At the time we hit '\' we are not in macro mode, still.
880 if (!cur.inMacroMode())
881 cur.recordUndoSelection();
883 // spacial handling of space. If we insert an inset
884 // via macro mode, we want to put the cursor inside it
885 // if relevant. Think typing "\frac<space>".
886 if (cmd.argument()[0] == ' '
887 && cur.inMacroMode() && cur.macroName() != "\\"
888 && cur.macroModeClose() && cur.pos() > 0) {
889 MathAtom const atom = cur.prevAtom();
890 if (atom->asNestInset() && atom->isActive()) {
892 cur.pushBackward(*cur.nextInset());
894 } else if (!interpretChar(cur, cmd.argument()[0])) {
895 cmd = FuncRequest(LFUN_FINISHED_FORWARD);
900 //case LFUN_SERVER_GET_XY:
903 case LFUN_SERVER_SET_XY: {
904 lyxerr << "LFUN_SERVER_SET_XY broken!" << endl;
907 istringstream is(to_utf8(cmd.argument()));
909 cur.setScreenPos(x, y);
913 // Special casing for superscript in case of LyX handling
915 case LFUN_ACCENT_CIRCUMFLEX:
916 if (cmd.argument().empty()) {
917 // do superscript if LyX handles
919 cur.recordUndoSelection();
920 script(cur, true, grabAndEraseSelection(cur));
924 case LFUN_ACCENT_UMLAUT:
925 case LFUN_ACCENT_ACUTE:
926 case LFUN_ACCENT_GRAVE:
927 case LFUN_ACCENT_BREVE:
928 case LFUN_ACCENT_DOT:
929 case LFUN_ACCENT_MACRON:
930 case LFUN_ACCENT_CARON:
931 case LFUN_ACCENT_TILDE:
932 case LFUN_ACCENT_CEDILLA:
933 case LFUN_ACCENT_CIRCLE:
934 case LFUN_ACCENT_UNDERDOT:
935 case LFUN_ACCENT_TIE:
936 case LFUN_ACCENT_OGONEK:
937 case LFUN_ACCENT_HUNGARIAN_UMLAUT:
941 case LFUN_TEXTSTYLE_APPLY:
942 case LFUN_TEXTSTYLE_UPDATE:
943 handleFont2(cur, cmd.argument());
947 if (currentMode() <= TEXT_MODE)
948 handleFont(cur, cmd.argument(), "textbf");
950 handleFont(cur, cmd.argument(), "mathbf");
952 case LFUN_FONT_BOLDSYMBOL:
953 if (currentMode() <= TEXT_MODE)
954 handleFont(cur, cmd.argument(), "textbf");
956 handleFont(cur, cmd.argument(), "boldsymbol");
959 if (currentMode() <= TEXT_MODE)
960 handleFont(cur, cmd.argument(), "textsf");
962 handleFont(cur, cmd.argument(), "mathsf");
965 if (currentMode() <= TEXT_MODE)
966 handleFont(cur, cmd.argument(), "emph");
968 handleFont(cur, cmd.argument(), "mathcal");
970 case LFUN_FONT_ROMAN:
971 if (currentMode() <= TEXT_MODE)
972 handleFont(cur, cmd.argument(), "textrm");
974 handleFont(cur, cmd.argument(), "mathrm");
976 case LFUN_FONT_TYPEWRITER:
977 if (currentMode() <= TEXT_MODE)
978 handleFont(cur, cmd.argument(), "texttt");
980 handleFont(cur, cmd.argument(), "mathtt");
983 handleFont(cur, cmd.argument(), "mathfrak");
986 if (currentMode() <= TEXT_MODE)
987 handleFont(cur, cmd.argument(), "textit");
989 handleFont(cur, cmd.argument(), "mathit");
992 if (currentMode() <= TEXT_MODE)
993 // FIXME: should be "noun"
994 handleFont(cur, cmd.argument(), "textsc");
996 handleFont(cur, cmd.argument(), "mathbb");
998 case LFUN_FONT_DEFAULT:
999 handleFont(cur, cmd.argument(), "textnormal");
1001 case LFUN_FONT_UNDERLINE:
1003 cur.handleNest(createInsetMath("underline", cur.buffer()));
1006 case LFUN_MATH_MODE: {
1008 // ignore math-mode on when already in math mode
1009 if (currentMode() == Inset::MATH_MODE && cmd.argument() == "on")
1011 cur.recordUndoSelection();
1012 cur.macroModeClose();
1013 docstring const save_selection = grabAndEraseSelection(cur);
1015 if (currentMode() <= Inset::TEXT_MODE)
1016 cur.plainInsert(MathAtom(new InsetMathEnsureMath(buffer_)));
1018 cur.plainInsert(createInsetMath("text", buffer_));
1020 cur.pushBackward(*cur.nextInset());
1021 cur.niceInsert(save_selection);
1022 cur.forceBufferUpdate();
1024 if (currentMode() == Inset::TEXT_MODE) {
1025 cur.recordUndoSelection();
1026 cur.niceInsert(MathAtom(new InsetMathHull("simple", cur.buffer())));
1027 cur.message(_("create new math text environment ($...$)"));
1029 handleFont(cur, cmd.argument(), "textrm");
1030 cur.message(_("entered math text mode (textrm)"));
1036 case LFUN_REGEXP_MODE: {
1037 InsetMath * im = cur.inset().asInsetMath();
1039 InsetMathHull * i = im->asHullInset();
1040 if (i && i->getType() == hullRegexp) {
1041 cur.message(_("Already in regular expression mode"));
1045 cur.macroModeClose();
1046 docstring const save_selection = grabAndEraseSelection(cur);
1048 cur.plainInsert(MathAtom(new InsetMathHull(buffer_, hullRegexp)));
1050 cur.pushBackward(*cur.nextInset());
1051 cur.niceInsert(save_selection);
1052 cur.message(_("Regular expression editor mode"));
1056 case LFUN_MATH_FONT_STYLE: {
1057 FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, '\\' + cmd.argument());
1058 doDispatch(cur, fr);
1062 case LFUN_MATH_SIZE: {
1063 FuncRequest fr = FuncRequest(LFUN_MATH_INSERT, cmd.argument());
1064 doDispatch(cur, fr);
1068 case LFUN_MATH_MATRIX: {
1074 idocstringstream is(cmd.argument());
1075 is >> m >> n >> v_align >> h_align;
1081 cur.niceInsert(MathAtom(new InsetMathArray(buffer_,
1082 from_ascii("array"), m, n, (char)v_align[0], h_align)));
1086 case LFUN_MATH_AMS_MATRIX: {
1090 docstring name = from_ascii("matrix");
1091 idocstringstream is(cmd.argument());
1092 is >> m >> n >> name;
1097 // check if we have a valid decoration
1098 if (name != "pmatrix" && name != "bmatrix"
1099 && name != "Bmatrix" && name != "vmatrix"
1100 && name != "Vmatrix" && name != "matrix")
1101 name = from_ascii("matrix");
1104 MathAtom(new InsetMathAMSArray(buffer_, name, m, n)));
1108 case LFUN_MATH_DELIM: {
1110 docstring rs = split(cmd.argument(), ls, ' ');
1111 // Reasonable default values
1117 cur.handleNest(MathAtom(new InsetMathDelim(buffer_, ls, rs)));
1121 case LFUN_MATH_BIGDELIM: {
1122 docstring const lname = from_utf8(cmd.getArg(0));
1123 docstring const ldelim = from_utf8(cmd.getArg(1));
1124 docstring const rname = from_utf8(cmd.getArg(2));
1125 docstring const rdelim = from_utf8(cmd.getArg(3));
1126 latexkeys const * l = in_word_set(lname);
1127 bool const have_l = l && l->inset == "big" &&
1128 InsetMathBig::isBigInsetDelim(ldelim);
1129 l = in_word_set(rname);
1130 bool const have_r = l && l->inset == "big" &&
1131 InsetMathBig::isBigInsetDelim(rdelim);
1132 // We mimic LFUN_MATH_DELIM in case we have an empty left
1133 // or right delimiter.
1134 if (have_l || have_r) {
1136 docstring const selection = grabAndEraseSelection(cur);
1139 cur.insert(MathAtom(new InsetMathBig(lname,
1141 // first insert the right delimiter and then go back
1142 // and re-insert the selection (bug 7088)
1144 cur.insert(MathAtom(new InsetMathBig(rname,
1148 cur.niceInsert(selection);
1150 // Don't call cur.undispatched() if we did nothing, this would
1151 // lead to infinite recursion via Text::dispatch().
1155 case LFUN_SPACE_INSERT: {
1156 cur.recordUndoSelection();
1157 string const name = cmd.getArg(0);
1158 if (name == "normal")
1159 cur.insert(MathAtom(new InsetMathSpace(" ", "")));
1160 else if (name == "protected")
1161 cur.insert(MathAtom(new InsetMathSpace("~", "")));
1162 else if (name == "thin" || name == "med" || name == "thick")
1163 cur.insert(MathAtom(new InsetMathSpace(name + "space", "")));
1164 else if (name == "hfill*")
1165 cur.insert(MathAtom(new InsetMathSpace("hspace*{\\fill}", "")));
1166 else if (name == "quad" || name == "qquad" ||
1167 name == "enspace" || name == "enskip" ||
1168 name == "negthinspace" || name == "negmedspace" ||
1169 name == "negthickspace" || name == "hfill")
1170 cur.insert(MathAtom(new InsetMathSpace(name, "")));
1171 else if (name == "hspace" || name == "hspace*") {
1172 string const len = cmd.getArg(1);
1173 if (len.empty() || !isValidLength(len)) {
1174 lyxerr << "LyX function 'space-insert " << name << "' "
1175 "needs a valid length argument." << endl;
1178 cur.insert(MathAtom(new InsetMathSpace(name, len)));
1180 cur.insert(MathAtom(new InsetMathSpace));
1184 case LFUN_MATH_SPACE:
1185 cur.recordUndoSelection();
1186 if (cmd.argument().empty())
1187 cur.insert(MathAtom(new InsetMathSpace));
1189 string const name = cmd.getArg(0);
1190 string const len = cmd.getArg(1);
1191 cur.insert(MathAtom(new InsetMathSpace(name, len)));
1195 case LFUN_ERT_INSERT:
1196 // interpret this as if a backslash was typed
1198 interpretChar(cur, '\\');
1201 case LFUN_MATH_SUBSCRIPT:
1202 // interpret this as if a _ was typed
1203 cur.recordUndoSelection();
1204 interpretChar(cur, '_');
1207 case LFUN_MATH_SUPERSCRIPT:
1208 // interpret this as if a ^ was typed
1209 cur.recordUndoSelection();
1210 interpretChar(cur, '^');
1213 case LFUN_MATH_MACRO_FOLD:
1214 case LFUN_MATH_MACRO_UNFOLD: {
1216 bool fold = act == LFUN_MATH_MACRO_FOLD;
1217 bool found = findMacroToFoldUnfold(it, fold);
1219 MathMacro * macro = it.nextInset()->asInsetMath()->asMacro();
1220 cur.recordUndoInset();
1229 case LFUN_QUOTE_INSERT:
1230 // interpret this as if a straight " was typed
1231 cur.recordUndoSelection();
1232 interpretChar(cur, '\"');
1235 // FIXME: We probably should swap parts of "math-insert" and "self-insert"
1236 // handling such that "self-insert" works on "arbitrary stuff" too, and
1237 // math-insert only handles special math things like "matrix".
1238 case LFUN_MATH_INSERT: {
1239 cur.recordUndoSelection();
1240 if (cmd.argument() == "^" || cmd.argument() == "_")
1241 interpretChar(cur, cmd.argument()[0]);
1244 asArray(cmd.argument(), ar);
1245 if (cur.selection() && ar.size() == 1
1246 && ar[0]->asNestInset()
1247 && ar[0]->asNestInset()->nargs() > 1)
1248 handleNest(cur, ar[0]);
1250 cur.niceInsert(cmd.argument());
1255 case LFUN_UNICODE_INSERT: {
1256 if (cmd.argument().empty())
1258 docstring hexstring = cmd.argument();
1259 if (isHex(hexstring)) {
1260 char_type c = hexToInt(hexstring);
1261 if (c >= 32 && c < 0x10ffff) {
1262 docstring s = docstring(1, c);
1263 FuncCode code = currentMode() == MATH_MODE ?
1264 LFUN_MATH_INSERT : LFUN_SELF_INSERT;
1265 lyx::dispatch(FuncRequest(code, s));
1271 case LFUN_DIALOG_SHOW_NEW_INSET: {
1272 docstring const & name = cmd.argument();
1274 if (name == "ref") {
1275 InsetMathRef tmp(buffer_, name);
1276 data = tmp.createDialogStr();
1277 cur.bv().showDialog(to_utf8(name), data);
1278 } else if (name == "mathspace") {
1279 cur.bv().showDialog(to_utf8(name));
1284 case LFUN_INSET_INSERT: {
1286 if (createInsetMath_fromDialogStr(cmd.argument(), ar)) {
1287 cur.recordUndoSelection();
1289 cur.forceBufferUpdate();
1294 case LFUN_INSET_DISSOLVE:
1295 if (!asHullInset()) {
1296 cur.recordUndoInset();
1302 InsetMath::doDispatch(cur, cmd);
1308 bool InsetMathNest::findMacroToFoldUnfold(Cursor & it, bool fold) const {
1309 // look for macro to open/close, but stay in mathed
1310 for (; !it.empty(); it.pop_back()) {
1312 // go backward through the current cell
1313 Inset * inset = it.nextInset();
1314 while (inset && inset->asInsetMath()) {
1315 MathMacro * macro = inset->asInsetMath()->asMacro();
1317 // found the an macro to open/close?
1318 if (macro->folded() != fold)
1321 // Wrong folding state.
1322 // If this was the first we see in this slice, look further left,
1324 if (inset != it.nextInset())
1328 // go up if this was the left most position
1334 inset = it.nextInset();
1342 bool InsetMathNest::getStatus(Cursor & cur, FuncRequest const & cmd,
1343 FuncStatus & flag) const
1345 // the font related toggles
1346 //string tc = "mathnormal";
1348 string const arg = to_utf8(cmd.argument());
1349 switch (cmd.action()) {
1350 case LFUN_INSET_MODIFY:
1351 flag.setEnabled(false);
1354 case LFUN_INSET_MODIFY:
1355 // FIXME: check temporarily disabled
1357 char align = mathcursor::valign();
1358 if (align == '\0') {
1362 if (cmd.argument().empty()) {
1366 if (!contains("tcb", cmd.argument()[0])) {
1370 flag.setOnOff(cmd.argument()[0] == align);
1373 /// We have to handle them since 1.4 blocks all unhandled actions
1374 case LFUN_FONT_ITAL:
1375 case LFUN_FONT_BOLD:
1376 case LFUN_FONT_BOLDSYMBOL:
1377 case LFUN_FONT_SANS:
1378 case LFUN_FONT_EMPH:
1379 case LFUN_FONT_TYPEWRITER:
1380 case LFUN_FONT_NOUN:
1381 case LFUN_FONT_ROMAN:
1382 case LFUN_FONT_DEFAULT:
1383 flag.setEnabled(true);
1386 // we just need to be in math mode to enable that
1387 case LFUN_MATH_SIZE:
1388 case LFUN_MATH_SPACE:
1389 case LFUN_MATH_EXTERN:
1390 flag.setEnabled(true);
1393 case LFUN_FONT_UNDERLINE:
1394 case LFUN_FONT_FRAK:
1395 flag.setEnabled(currentMode() != TEXT_MODE);
1398 case LFUN_MATH_FONT_STYLE: {
1399 bool const textarg =
1400 arg == "textbf" || arg == "textsf" ||
1401 arg == "textrm" || arg == "textmd" ||
1402 arg == "textit" || arg == "textsc" ||
1403 arg == "textsl" || arg == "textup" ||
1404 arg == "texttt" || arg == "textbb" ||
1405 arg == "textnormal";
1406 flag.setEnabled(currentMode() != TEXT_MODE || textarg);
1410 case LFUN_MATH_MODE:
1411 // forbid "math-mode on" in math mode to prevent irritating
1412 // behaviour of menu entries (bug 6709)
1413 flag.setEnabled(currentMode() == TEXT_MODE || arg != "on");
1416 case LFUN_MATH_INSERT:
1417 flag.setEnabled(currentMode() != TEXT_MODE);
1420 case LFUN_MATH_AMS_MATRIX:
1421 case LFUN_MATH_MATRIX:
1422 flag.setEnabled(currentMode() == MATH_MODE);
1425 case LFUN_INSET_INSERT: {
1426 // Don't test createMathInset_fromDialogStr(), since
1427 // getStatus is not called with a valid reference and the
1428 // dialog would not be applyable.
1429 string const name = cmd.getArg(0);
1430 flag.setEnabled(name == "ref" || name == "mathspace");
1434 case LFUN_DIALOG_SHOW_NEW_INSET: {
1435 docstring const & name = cmd.argument();
1436 if (name == "space")
1437 flag.setEnabled(false);
1442 case LFUN_MATH_DELIM:
1443 case LFUN_MATH_BIGDELIM:
1444 // Don't do this with multi-cell selections
1445 flag.setEnabled(cur.selBegin().idx() == cur.selEnd().idx());
1448 case LFUN_MATH_MACRO_FOLD:
1449 case LFUN_MATH_MACRO_UNFOLD: {
1451 bool found = findMacroToFoldUnfold(it, cmd.action() == LFUN_MATH_MACRO_FOLD);
1452 flag.setEnabled(found);
1456 case LFUN_SPECIALCHAR_INSERT:
1457 case LFUN_SCRIPT_INSERT:
1458 // FIXME: These would probably make sense in math-text mode
1459 flag.setEnabled(false);
1462 case LFUN_CAPTION_INSERT:
1463 flag.setEnabled(false);
1466 case LFUN_SPACE_INSERT: {
1467 docstring const & name = cmd.argument();
1468 if (name == "visible")
1469 flag.setEnabled(false);
1473 case LFUN_INSET_DISSOLVE:
1474 flag.setEnabled(!asHullInset());
1478 docstring const & name = cmd.argument();
1479 if (name == "html" || name == "latex")
1480 flag.setEnabled(false);
1492 void InsetMathNest::edit(Cursor & cur, bool front, EntryDirection entry_from)
1495 bool enter_front = (entry_from == Inset::ENTRY_DIRECTION_RIGHT ||
1496 (entry_from == Inset::ENTRY_DIRECTION_IGNORE && front));
1497 cur.idx() = enter_front ? 0 : cur.lastidx();
1498 cur.pos() = enter_front ? 0 : cur.lastpos();
1500 //lyxerr << "InsetMathNest::edit, cur:\n" << cur << endl;
1504 Inset * InsetMathNest::editXY(Cursor & cur, int x, int y)
1507 int dist_min = 1000000;
1508 for (idx_type i = 0, n = nargs(); i != n; ++i) {
1509 int const d = cell(i).dist(cur.bv(), x, y);
1515 MathData & ar = cell(idx_min);
1517 cur.idx() = idx_min;
1518 cur.pos() = ar.x2pos(&cur.bv(), x - ar.xo(cur.bv()));
1520 //lyxerr << "found cell : " << idx_min << " pos: " << cur.pos() << endl;
1521 if (dist_min == 0) {
1523 for (pos_type i = 0, n = ar.size(); i < n; ++i)
1524 if (ar[i]->covers(cur.bv(), x, y))
1525 return ar[i].nucleus()->editXY(cur, x, y);
1531 void InsetMathNest::lfunMousePress(Cursor & cur, FuncRequest & cmd)
1533 //lyxerr << "## lfunMousePress: buttons: " << cmd.button() << endl;
1534 BufferView & bv = cur.bv();
1535 if (cmd.button() == mouse_button::button3) {
1536 // Don't do anything if we right-click a
1537 // selection, a context menu will popup.
1538 if (bv.cursor().selection() && cur >= bv.cursor().selectionBegin()
1539 && cur < bv.cursor().selectionEnd()) {
1540 cur.noScreenUpdate();
1544 bool do_selection = cmd.button() == mouse_button::button1
1545 && cmd.argument() == "region-select";
1546 bv.mouseSetCursor(cur, do_selection);
1547 if (cmd.button() == mouse_button::button1) {
1548 //lyxerr << "## lfunMousePress: setting cursor to: " << cur << endl;
1549 // Update the cursor update flags as needed:
1551 // Update::Decoration: tells to update the decoration
1552 // (visual box corners that define
1554 // Update::FitCursor: adjust the screen to the cursor
1555 // position if needed
1556 // cur.result().update(): don't overwrite previously set flags.
1557 cur.screenUpdateFlags(Update::Decoration | Update::FitCursor
1558 | cur.result().screenUpdate());
1559 } else if (cmd.button() == mouse_button::button2 && lyxrc.mouse_middlebutton_paste) {
1560 if (cap::selection()) {
1561 // See comment in Text::dispatch why we do this
1562 cap::copySelectionToStack();
1563 cmd = FuncRequest(LFUN_PASTE, "0");
1564 doDispatch(bv.cursor(), cmd);
1567 asArray(theSelection().get(), ar);
1568 bv.cursor().insert(ar);
1574 void InsetMathNest::lfunMouseMotion(Cursor & cur, FuncRequest & cmd)
1576 // only select with button 1
1577 if (cmd.button() != mouse_button::button1)
1580 Cursor & bvcur = cur.bv().cursor();
1582 // ignore motions deeper nested than the real anchor
1583 if (!bvcur.realAnchor().hasPart(cur)) {
1588 CursorSlice old = bvcur.top();
1590 // We continue with our existing selection or start a new one, so don't
1591 // reset the anchor.
1592 bvcur.setCursor(cur);
1593 // Did we actually move?
1594 if (cur.top() == old)
1595 // We didn't move one iota, so no need to change selection status
1596 // or update the screen.
1597 cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1599 bvcur.setSelection();
1603 void InsetMathNest::lfunMouseRelease(Cursor & cur, FuncRequest & cmd)
1605 //lyxerr << "## lfunMouseRelease: buttons: " << cmd.button() << endl;
1607 if (cmd.button() == mouse_button::button1) {
1608 if (!cur.selection())
1609 cur.noScreenUpdate();
1611 Cursor & bvcur = cur.bv().cursor();
1612 bvcur.setSelection(true);
1621 bool InsetMathNest::interpretChar(Cursor & cur, char_type const c)
1623 //lyxerr << "interpret 2: '" << c << "'" << endl;
1624 docstring save_selection;
1625 if (c == '^' || c == '_')
1626 save_selection = grabAndEraseSelection(cur);
1629 Buffer * buf = cur.buffer();
1632 if (cur.inMacroMode()) {
1633 docstring name = cur.macroName();
1635 /// are we currently typing '#1' or '#2' or...?
1636 if (name == "\\#") {
1639 if (n >= 1 && n <= 9)
1640 cur.insert(new MathMacroArgument(n));
1644 // do not finish macro for known * commands
1645 bool star_macro = c == '*'
1646 && (in_word_set(name.substr(1) + '*')
1647 || cur.buffer()->getMacro(name.substr(1) + "*", cur, true));
1648 if (isAlphaASCII(c) || star_macro) {
1649 cur.activeMacro()->setName(name + docstring(1, c));
1653 // handle 'special char' macros
1658 if (currentMode() <= InsetMath::TEXT_MODE)
1659 cur.niceInsert(createInsetMath("textbackslash", buf));
1661 cur.niceInsert(createInsetMath("backslash", buf));
1662 } else if (c == '^' && currentMode() == InsetMath::MATH_MODE) {
1664 cur.niceInsert(createInsetMath("mathcircumflex", buf));
1665 } else if (c == '{' || c == '%') {
1666 //using the saved selection as argument
1667 InsetMathUnknown * p = cur.activeMacro();
1669 MathData sel(cur.buffer());
1670 asArray(p->selection(), sel);
1673 cur.niceInsert(MathAtom(new InsetMathBrace(sel)));
1675 cur.niceInsert(MathAtom(new InsetMathComment(sel)));
1676 } else if (c == '#') {
1677 LASSERT(cur.activeMacro(), return false);
1678 cur.activeMacro()->setName(name + docstring(1, c));
1681 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1686 // One character big delimiters. The others are handled in
1687 // interpretString().
1688 latexkeys const * l = in_word_set(name.substr(1));
1689 if (name[0] == '\\' && l && l->inset == "big") {
1693 delim = from_ascii("\\{");
1696 delim = from_ascii("\\}");
1699 delim = docstring(1, c);
1702 if (InsetMathBig::isBigInsetDelim(delim)) {
1703 // name + delim ared a valid InsetMathBig.
1704 // We can't use cur.macroModeClose() because
1705 // it does not handle delim.
1706 InsetMathUnknown * p = cur.activeMacro();
1709 cur.cell().erase(cur.pos());
1710 cur.plainInsert(MathAtom(
1711 new InsetMathBig(name.substr(1), delim)));
1714 } else if (name == "\\smash" && c == '[') {
1715 // We can't use cur.macroModeClose() because
1716 // it would create an InsetMathPhantom
1717 InsetMathUnknown * p = cur.activeMacro();
1719 interpretChar(cur, c);
1723 // leave macro mode and try again if necessary
1724 if (cur.macroModeClose()) {
1725 MathAtom const atom = cur.prevAtom();
1726 if (atom->asNestInset() && atom->isActive()) {
1728 cur.pushBackward(*cur.nextInset());
1732 cur.niceInsert(MathAtom(new InsetMathBrace(buf)));
1734 interpretChar(cur, c);
1739 // leave autocorrect mode if necessary
1740 if (lyxrc.autocorrection_math && c == ' ' && cur.autocorrect()) {
1741 cur.autocorrect() = false;
1742 cur.message(_("Autocorrect Off ('!' to enter)"));
1745 if (lyxrc.autocorrection_math && c == '!' && !cur.autocorrect()) {
1746 cur.autocorrect() = true;
1747 cur.message(_("Autocorrect On (<space> to exit)"));
1751 // just clear selection on pressing the space bar
1752 if (cur.selection() && c == ' ') {
1753 cur.setSelection(false);
1758 //lyxerr << "starting with macro" << endl;
1759 bool reduced = cap::reduceSelectionToOneCell(cur);
1760 if (reduced || !cur.selection()) {
1761 cur.recordUndoInset();
1762 docstring const safe = cap::grabAndEraseSelection(cur);
1763 if (!cur.inRegexped())
1764 cur.insert(MathAtom(new InsetMathUnknown(from_ascii("\\"), safe, false)));
1766 cur.niceInsert(createInsetMath("backslash", buf));
1774 if (currentMode() <= InsetMath::TEXT_MODE)
1780 if (currentMode() <= InsetMath::TEXT_MODE) {
1781 // insert spaces in text or undecided mode,
1782 // but suppress direct insertion of two spaces in a row
1783 // the still allows typing '<space>a<space>' and deleting the 'a', but
1784 // it is better than nothing...
1785 if (cur.pos() == 0 || cur.prevAtom()->getChar() != ' ') {
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::SinglePar | Update::FitCursor);
1795 if (cur.pos() != 0 && cur.prevAtom()->asSpaceInset()) {
1796 cur.prevAtom().nucleus()->asSpaceInset()->incSpace();
1797 // FIXME: we have to enable full redraw here because of the
1798 // visual box corners that define the inset. If we know for
1799 // sure that we stay within the same cell we can optimize for
1801 //cur.screenUpdateFlags(Update::SinglePar | Update::FitCursor);
1805 if (cur.popForward()) {
1806 // FIXME: we have to enable full redraw here because of the
1807 // visual box corners that define the inset. If we know for
1808 // sure that we stay within the same cell we can optimize for
1810 //cur.screenUpdateFlags(Update::FitCursor);
1814 // if we are at the very end, leave the formula
1815 return cur.pos() != cur.lastpos();
1818 // These should be treated differently when not in text mode:
1819 if (cur.inRegexped()) {
1822 cur.niceInsert(createInsetMath("mathcircumflex", buf));
1829 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1832 cur.niceInsert(createInsetMath("sim", buf));
1838 } else if (currentMode() != InsetMath::TEXT_MODE) {
1840 script(cur, false, save_selection);
1844 script(cur, true, save_selection);
1848 cur.niceInsert(createInsetMath("sim", buf));
1851 if (currentMode() == InsetMath::MATH_MODE && !isAsciiOrMathAlpha(c)) {
1852 MathAtom at = createInsetMath("text", buf);
1853 at.nucleus()->cell(0).push_back(MathAtom(new InsetMathChar(c)));
1860 cur.niceInsert(createInsetMath("textasciicircum", buf));
1864 cur.niceInsert(createInsetMath("textasciitilde", buf));
1869 if (c == '{' || c == '}' || c == '&' || c == '$' || c == '#' ||
1870 c == '%' || c == '_') {
1871 cur.niceInsert(createInsetMath(docstring(1, c), buf));
1876 // try auto-correction
1877 if (lyxrc.autocorrection_math && cur.autocorrect() && cur.pos() != 0
1878 && math_autocorrect(cur.prevAtom(), c))
1881 // no special circumstances, so insert the character without any fuss
1883 if (lyxrc.autocorrection_math) {
1884 if (!cur.autocorrect())
1885 cur.message(_("Autocorrect Off ('!' to enter)"));
1887 cur.message(_("Autocorrect On (<space> to exit)"));
1893 bool InsetMathNest::interpretString(Cursor & cur, docstring const & str)
1895 // Create a InsetMathBig from cur.cell()[cur.pos() - 1] and t if
1897 if (!cur.empty() && cur.pos() > 0 &&
1898 cur.cell()[cur.pos() - 1]->asUnknownInset()) {
1899 if (InsetMathBig::isBigInsetDelim(str)) {
1900 docstring prev = asString(cur.cell()[cur.pos() - 1]);
1901 if (prev[0] == '\\') {
1902 prev = prev.substr(1);
1903 latexkeys const * l = in_word_set(prev);
1904 if (l && l->inset == "big") {
1905 cur.cell()[cur.pos() - 1] =
1906 MathAtom(new InsetMathBig(prev, str));
1916 bool InsetMathNest::script(Cursor & cur, bool up)
1918 return script(cur, up, docstring());
1922 bool InsetMathNest::script(Cursor & cur, bool up,
1923 docstring const & save_selection)
1925 // Hack to get \^ and \_ working
1926 //lyxerr << "handling script: up: " << up << endl;
1927 if (cur.inMacroMode() && cur.macroName() == "\\") {
1929 cur.niceInsert(createInsetMath("mathcircumflex", cur.buffer()));
1931 interpretChar(cur, '_');
1935 cur.macroModeClose();
1936 if (asScriptInset() && cur.idx() == 0) {
1937 // we are in a nucleus of a script inset, move to _our_ script
1938 InsetMathScript * inset = asScriptInset();
1939 //lyxerr << " going to cell " << inset->idxOfScript(up) << endl;
1941 cur.idx() = inset->idxOfScript(up);
1943 } else if (cur.pos() != 0 && cur.prevAtom()->asScriptInset()) {
1945 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1948 cur.idx() = inset->idxOfScript(up);
1949 cur.pos() = cur.lastpos();
1951 // convert the thing to our left to a scriptinset or create a new
1952 // one if in the very first position of the array
1953 if (cur.pos() == 0) {
1954 //lyxerr << "new scriptinset" << endl;
1955 cur.insert(new InsetMathScript(buffer_, up));
1957 //lyxerr << "converting prev atom " << endl;
1958 cur.prevAtom() = MathAtom(new InsetMathScript(buffer_, cur.prevAtom(), up));
1961 InsetMathScript * inset = cur.nextAtom().nucleus()->asScriptInset();
1962 // See comment in MathParser.cpp for special handling of {}-bases
1968 //lyxerr << "inserting selection 1:\n" << save_selection << endl;
1969 cur.niceInsert(save_selection);
1971 //lyxerr << "inserting selection 2:\n" << save_selection << endl;
1976 bool InsetMathNest::completionSupported(Cursor const & cur) const
1978 return cur.inMacroMode();
1982 bool InsetMathNest::inlineCompletionSupported(Cursor const & cur) const
1984 return cur.inMacroMode();
1988 bool InsetMathNest::automaticInlineCompletion() const
1990 return lyxrc.completion_inline_math;
1994 bool InsetMathNest::automaticPopupCompletion() const
1996 return lyxrc.completion_popup_math;
2000 CompletionList const *
2001 InsetMathNest::createCompletionList(Cursor const & cur) const
2003 if (!cur.inMacroMode())
2006 return new MathCompletionList(cur);
2010 docstring InsetMathNest::completionPrefix(Cursor const & cur) const
2012 if (!cur.inMacroMode())
2015 return cur.activeMacro()->name();
2019 bool InsetMathNest::insertCompletion(Cursor & cur, docstring const & s,
2022 if (!cur.inMacroMode())
2025 // append completion to active macro
2026 InsetMathUnknown * inset = cur.activeMacro();
2027 inset->setName(inset->name() + s);
2032 // FIXME: this creates duplicates in the completion popup
2033 // which looks ugly. Moreover the changes the list lengths
2035 confuse the popup as well.
2036 MathCompletionList::addToFavorites(inset->name());
2038 lyx::dispatch(FuncRequest(LFUN_SELF_INSERT, " "));
2045 void InsetMathNest::completionPosAndDim(Cursor const & cur, int & x, int & y,
2046 Dimension & dim) const
2048 Inset const * inset = cur.activeMacro();
2052 // get inset dimensions
2053 dim = cur.bv().coordCache().insets().dim(inset);
2054 // FIXME: these 3 are no accurate, but should depend on the font.
2055 // Now the popup jumps down if you enter a char with descent > 0.
2060 Point xy = cur.bv().coordCache().insets().xy(inset);
2066 bool InsetMathNest::cursorMathForward(Cursor & cur)
2068 if (cur.pos() != cur.lastpos() && cur.openable(cur.nextAtom())) {
2069 cur.pushBackward(*cur.nextAtom().nucleus());
2070 cur.inset().idxFirst(cur);
2073 if (cur.posForward() || idxForward(cur))
2075 // try to pop forwards --- but don't pop out of math! leave that to
2077 int s = cur.depth() - 2;
2078 if (s >= 0 && cur[s].inset().asInsetMath())
2079 return cur.popForward();
2084 bool InsetMathNest::cursorMathBackward(Cursor & cur)
2086 if (cur.pos() != 0 && cur.openable(cur.prevAtom())) {
2088 cur.push(*cur.nextAtom().nucleus());
2089 cur.inset().idxLast(cur);
2092 if (cur.posBackward() || idxBackward(cur))
2094 // try to pop backwards --- but don't pop out of math! leave that to
2096 int s = cur.depth() - 2;
2097 if (s >= 0 && cur[s].inset().asInsetMath())
2098 return cur.popBackward();
2103 ////////////////////////////////////////////////////////////////////
2105 MathCompletionList::MathCompletionList(Cursor const & cur)
2107 // fill it with macros from the buffer
2108 MacroNameSet macros;
2109 cur.buffer()->listMacroNames(macros);
2110 MacroNameSet::const_iterator it;
2111 for (it = macros.begin(); it != macros.end(); ++it) {
2112 if (cur.buffer()->getMacro(*it, cur, false))
2113 locals.push_back("\\" + *it);
2115 sort(locals.begin(), locals.end());
2117 if (!globals.empty())
2120 // fill in global macros
2122 MacroTable::globalMacros().getMacroNames(macros, false);
2123 //lyxerr << "Globals completion macros: ";
2124 for (it = macros.begin(); it != macros.end(); ++it) {
2125 //lyxerr << "\\" + *it << " ";
2126 globals.push_back("\\" + *it);
2128 //lyxerr << std::endl;
2130 // fill in global commands
2131 globals.push_back(from_ascii("\\boxed"));
2132 globals.push_back(from_ascii("\\fbox"));
2133 globals.push_back(from_ascii("\\framebox"));
2134 globals.push_back(from_ascii("\\makebox"));
2135 globals.push_back(from_ascii("\\kern"));
2136 globals.push_back(from_ascii("\\xhookrightarrow"));
2137 globals.push_back(from_ascii("\\xhookleftarrow"));
2138 globals.push_back(from_ascii("\\xrightarrow"));
2139 globals.push_back(from_ascii("\\xRightarrow"));
2140 globals.push_back(from_ascii("\\xrightharpoondown"));
2141 globals.push_back(from_ascii("\\xrightharpoonup"));
2142 globals.push_back(from_ascii("\\xrightleftharpoons"));
2143 globals.push_back(from_ascii("\\xleftarrow"));
2144 globals.push_back(from_ascii("\\xLeftarrow"));
2145 globals.push_back(from_ascii("\\xleftharpoondown"));
2146 globals.push_back(from_ascii("\\xleftharpoonup"));
2147 globals.push_back(from_ascii("\\xleftrightarrow"));
2148 globals.push_back(from_ascii("\\xLeftrightarrow"));
2149 globals.push_back(from_ascii("\\xleftrightharpoons"));
2150 globals.push_back(from_ascii("\\xmapsto"));
2151 globals.push_back(from_ascii("\\split"));
2152 globals.push_back(from_ascii("\\gathered"));
2153 globals.push_back(from_ascii("\\aligned"));
2154 globals.push_back(from_ascii("\\alignedat"));
2155 globals.push_back(from_ascii("\\cases"));
2156 globals.push_back(from_ascii("\\substack"));
2157 globals.push_back(from_ascii("\\xymatrix"));
2158 globals.push_back(from_ascii("\\Diagram"));
2159 globals.push_back(from_ascii("\\subarray"));
2160 globals.push_back(from_ascii("\\array"));
2161 globals.push_back(from_ascii("\\sqrt"));
2162 globals.push_back(from_ascii("\\root"));
2163 globals.push_back(from_ascii("\\tabular"));
2164 globals.push_back(from_ascii("\\stackrel"));
2165 globals.push_back(from_ascii("\\stackrelthree"));
2166 globals.push_back(from_ascii("\\binom"));
2167 globals.push_back(from_ascii("\\choose"));
2168 globals.push_back(from_ascii("\\brace"));
2169 globals.push_back(from_ascii("\\brack"));
2170 globals.push_back(from_ascii("\\frac"));
2171 globals.push_back(from_ascii("\\over"));
2172 globals.push_back(from_ascii("\\nicefrac"));
2173 globals.push_back(from_ascii("\\unitfrac"));
2174 globals.push_back(from_ascii("\\unitfracthree"));
2175 globals.push_back(from_ascii("\\unitone"));
2176 globals.push_back(from_ascii("\\unittwo"));
2177 globals.push_back(from_ascii("\\infer"));
2178 globals.push_back(from_ascii("\\atop"));
2179 globals.push_back(from_ascii("\\lefteqn"));
2180 globals.push_back(from_ascii("\\boldsymbol"));
2181 globals.push_back(from_ascii("\\bm"));
2182 globals.push_back(from_ascii("\\color"));
2183 globals.push_back(from_ascii("\\normalcolor"));
2184 globals.push_back(from_ascii("\\textcolor"));
2185 globals.push_back(from_ascii("\\cfrac"));
2186 globals.push_back(from_ascii("\\cfracleft"));
2187 globals.push_back(from_ascii("\\cfracright"));
2188 globals.push_back(from_ascii("\\dfrac"));
2189 globals.push_back(from_ascii("\\tfrac"));
2190 globals.push_back(from_ascii("\\dbinom"));
2191 globals.push_back(from_ascii("\\tbinom"));
2192 globals.push_back(from_ascii("\\hphantom"));
2193 globals.push_back(from_ascii("\\phantom"));
2194 globals.push_back(from_ascii("\\vphantom"));
2195 globals.push_back(from_ascii("\\cancel"));
2196 globals.push_back(from_ascii("\\bcancel"));
2197 globals.push_back(from_ascii("\\xcancel"));
2198 globals.push_back(from_ascii("\\cancelto"));
2199 globals.push_back(from_ascii("\\smash"));
2200 globals.push_back(from_ascii("\\mathclap"));
2201 globals.push_back(from_ascii("\\mathllap"));
2202 globals.push_back(from_ascii("\\mathrlap"));
2203 globals.push_back(from_ascii("\\ensuremath"));
2204 MathWordList const & words = mathedWordList();
2205 MathWordList::const_iterator it2;
2206 //lyxerr << "Globals completion commands: ";
2207 for (it2 = words.begin(); it2 != words.end(); ++it2) {
2208 if (it2->second.inset != "macro" && !it2->second.hidden) {
2209 // macros are already read from MacroTable::globalMacros()
2210 globals.push_back('\\' + it2->first);
2211 //lyxerr << '\\' + it2->first << ' ';
2214 //lyxerr << std::endl;
2215 sort(globals.begin(), globals.end());
2219 MathCompletionList::~MathCompletionList()
2224 size_type MathCompletionList::size() const
2226 return locals.size() + globals.size();
2230 docstring const & MathCompletionList::data(size_t idx) const
2232 size_t lsize = locals.size();
2234 return globals[idx - lsize];
2240 std::string MathCompletionList::icon(size_t idx) const
2242 // get the latex command
2244 size_t lsize = locals.size();
2246 cmd = globals[idx - lsize];
2250 // get the icon resource name by stripping the backslash
2251 docstring icon_name = frontend::Application::mathIcon(cmd.substr(1));
2252 if (icon_name.empty())
2253 return std::string();
2254 return "images/math/" + to_utf8(icon_name);
2257 std::vector<docstring> MathCompletionList::globals;