3 * Purpose: Implementation of common parts of the LyX math insets
4 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
5 * Created: January 1996
7 * Copyright: 1996-1998 Alejandro Aguilar Sierra
9 * Version: 0.4, Lyx project.
11 * You are free to use and modify this code under the terms of
12 * the GNU General Public Licence version 2 or later.
19 #include "support/LAssert.h"
22 #pragma implementation
26 #include "formulamacro.h"
27 #include "commandtags.h"
28 #include "math_cursor.h"
29 #include "BufferView.h"
33 #include "LaTeXFeatures.h"
36 #include "support/lstrings.h"
40 #include "math_arrayinset.h"
41 #include "math_spaceinset.h"
42 #include "math_macrotable.h"
43 #include "math_factory.h"
44 #include "support/lyxlib.h"
45 #include "undo_funcs.h"
51 extern char const * latex_mathenv[];
52 MathCursor * mathcursor = 0;
63 void handleFont(BufferView * bv, MathTextCodes t)
65 if (mathcursor->selection())
66 bv->lockedInsetStoreUndo(Undo::EDIT);
67 mathcursor->handleFont(t);
71 void handleAccent(BufferView * bv, string const & name)
73 bv->lockedInsetStoreUndo(Undo::EDIT);
74 mathcursor->insert(createMathInset(name));
78 bool openNewInset(BufferView * bv, UpdatableInset * new_inset)
80 LyXText * lt = bv->getLyXText();
84 if (!bv->insertInset(new_inset)) {
88 new_inset->edit(bv, 0, 0, 0);
93 // returns the nearest enclosing grid
94 MathArrayInset * matrixpar(MathInset::idx_type & idx)
97 return mathcursor ? mathcursor->enclosingArray(idx) : 0;
105 InsetFormulaBase::InsetFormulaBase()
106 : view_(0), font_(), xo_(0), yo_(0)
108 // This is needed as long the math parser is not re-entrant
109 MathMacroTable::builtinMacros();
110 //lyxerr << "sizeof MathInset: " << sizeof(MathInset) << "\n";
114 // Check if uses AMS macros
115 void InsetFormulaBase::validate(LaTeXFeatures &) const
119 void InsetFormulaBase::metrics(BufferView * bv, LyXFont const & f) const
124 MathMetricsInfo mi(view_, font_, display() ? LM_ST_DISPLAY : LM_ST_TEXT);
129 string const InsetFormulaBase::editMessage() const
131 return _("Math editor mode");
135 void InsetFormulaBase::edit(BufferView * bv, int x, int /*y*/, unsigned int)
137 if (!bv->lockInset(this))
138 lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
140 mathcursor = new MathCursor(this, x == 0);
142 // if that is removed, we won't get the magenta box when entering an
143 // inset for the first time
144 bv->updateInset(this, false);
151 void InsetFormulaBase::edit(BufferView * bv, bool front)
153 // looks hackish but seems to work
154 edit(bv, front ? 0 : 1, 0, 0);
158 void InsetFormulaBase::insetUnlock(BufferView * bv)
161 if (mathcursor->inMacroMode()) {
162 mathcursor->macroModeClose();
163 updateLocal(bv, true);
168 bv->updateInset(this, false);
172 void InsetFormulaBase::getCursorPos(BufferView *, int & x, int & y) const
174 mathcursor->getPos(x, y);
177 //lyxerr << "getCursorPos: " << x << " " << y << "\n";
181 void InsetFormulaBase::toggleInsetCursor(BufferView * bv)
186 if (isCursorVisible())
187 bv->hideLockedInsetCursor();
192 mathcursor->getPos(x, y);
197 MathMetricsInfo mi(bv, font_, LM_ST_TEXT);
198 math_font_max_dim(LM_TC_TEXTRM, mi, asc, des);
199 bv->showLockedInsetCursor(x, y, asc, des);
200 //lyxerr << "toggleInsetCursor: " << x << " " << y << "\n";
203 toggleCursorVisible();
207 void InsetFormulaBase::showInsetCursor(BufferView * bv, bool)
209 if (!isCursorVisible()) {
213 mathcursor->getPos(x, y);
216 MathMetricsInfo mi(bv, font_, LM_ST_TEXT);
217 math_font_max_dim(LM_TC_TEXTRM, mi, asc, des);
218 //bv->fitLockedInsetCursor(x, y, asc, des);
220 //lyxerr << "showInsetCursor: " << x << " " << y << "\n";
222 toggleInsetCursor(bv);
227 void InsetFormulaBase::hideInsetCursor(BufferView * bv)
229 if (isCursorVisible())
230 toggleInsetCursor(bv);
234 void InsetFormulaBase::toggleInsetSelection(BufferView * bv)
237 bv->updateInset(this, false);
241 vector<string> const InsetFormulaBase::getLabelList() const
243 return std::vector<string>();
247 void InsetFormulaBase::updateLocal(BufferView * bv, bool dirty)
250 bv->updateInset(this, dirty);
254 void InsetFormulaBase::insetButtonRelease(BufferView * bv,
255 int x, int y, int /*button*/)
259 mathcursor->setPos(x + xo_, y + yo_);
260 //lyxerr << "insetButtonRelease: " << x + xo_ << " " << y + yo_ << "\n";
267 bv->updateInset(this, false);
272 void InsetFormulaBase::insetButtonPress(BufferView * bv,
273 int x, int y, int /*button*/)
278 if (mathcursor && mathcursor->selection()) {
279 mathcursor->selClear();
280 bv->updateInset(this, false);
285 void InsetFormulaBase::insetMotionNotify(BufferView * bv,
286 int x, int y, int /*button*/)
288 if (sel_x && sel_y && abs(x-sel_x) > 4 && !sel_flag) {
291 mathcursor->setPos(sel_x, sel_y);
292 mathcursor->selStart();
294 mathcursor->getPos(sel_x, sel_y);
295 } else if (sel_flag) {
297 mathcursor->setPos(x, y);
299 mathcursor->getPos(x, y);
300 if (sel_x != x || sel_y != y)
301 bv->updateInset(this, false);
308 void InsetFormulaBase::insetKeyPress(XKeyEvent *)
310 lyxerr[Debug::MATHED] << "Used InsetFormulaBase::InsetKeyPress." << endl;
314 UpdatableInset::RESULT
315 InsetFormulaBase::localDispatch(BufferView * bv, kb_action action,
318 //lyxerr << "InsetFormulaBase::localDispatch: act: " << action
319 // << " arg: '" << arg << "' cursor: " << mathcursor << "\n";
324 if (mathcursor->asHyperActiveInset()) {
325 lyxerr << " uurr.... getting dificult now\n";
326 return mathcursor->asHyperActiveInset()->localDispatch(bv, action, arg);
329 RESULT result = DISPATCHED;
331 bool was_macro = mathcursor->inMacroMode();
332 bool was_selection = mathcursor->selection();
336 mathcursor->normalize();
340 // --- Cursor Movements ---------------------------------------------
343 sel = true; // fall through...
346 result = mathcursor->right(sel) ? DISPATCHED : FINISHED_RIGHT;
347 updateLocal(bv, false);
352 sel = true; // fall through
355 result = mathcursor->left(sel) ? DISPATCHED : FINISHED;
356 updateLocal(bv, false);
364 result = mathcursor->up(sel) ? DISPATCHED : FINISHED_UP;
365 updateLocal(bv, false);
373 result = mathcursor->down(sel) ? DISPATCHED : FINISHED_DOWN;
374 updateLocal(bv, false);
381 mathcursor->home(sel);
382 updateLocal(bv, false);
389 mathcursor->end(sel);
390 updateLocal(bv, false);
393 case LFUN_DELETE_LINE_FORWARD:
394 bv->lockedInsetStoreUndo(Undo::DELETE);
395 mathcursor->delLine();
396 updateLocal(bv, true);
400 mathcursor->idxNext();
401 updateLocal(bv, false);
405 mathcursor->idxPrev();
406 updateLocal(bv, false);
410 bv->lockedInsetStoreUndo(Undo::EDIT);
411 mathcursor->splitCell();
412 updateLocal(bv, true);
415 case LFUN_DELETE_WORD_BACKWARD:
417 bv->lockedInsetStoreUndo(Undo::DELETE);
418 mathcursor->backspace();
419 bv->updateInset(this, true);
422 case LFUN_DELETE_WORD_FORWARD:
424 bv->lockedInsetStoreUndo(Undo::DELETE);
426 bv->updateInset(this, true);
430 // sprintf(dispatch_buffer, "%d %d",);
431 // dispatch_result = dispatch_buffer;
434 lyxerr << "LFUN_SETXY broken!\n";
437 istringstream is(arg.c_str());
439 mathcursor->setPos(x, y);
440 updateLocal(bv, false);
446 mathcursor->macroModeClose();
447 bv->lockedInsetStoreUndo(Undo::INSERT);
448 mathcursor->selPaste();
449 updateLocal(bv, true);
453 bv->lockedInsetStoreUndo(Undo::DELETE);
454 mathcursor->selCut();
455 updateLocal(bv, true);
459 mathcursor->selCopy();
462 case LFUN_WORDRIGHTSEL:
463 case LFUN_WORDLEFTSEL:
466 // --- accented characters ------------------------------
468 case LFUN_UMLAUT: handleAccent(bv, "ddot"); break;
469 case LFUN_CIRCUMFLEX: handleAccent(bv, "hat"); break;
470 case LFUN_GRAVE: handleAccent(bv, "grave"); break;
471 case LFUN_ACUTE: handleAccent(bv, "acute"); break;
472 case LFUN_TILDE: handleAccent(bv, "tilde"); break;
473 case LFUN_MACRON: handleAccent(bv, "bar"); break;
474 case LFUN_DOT: handleAccent(bv, "dot"); break;
475 case LFUN_CARON: handleAccent(bv, "check"); break;
476 case LFUN_BREVE: handleAccent(bv, "breve"); break;
477 case LFUN_VECTOR: handleAccent(bv, "vec"); break;
480 case LFUN_GREEK_TOGGLE: handleFont(bv, LM_TC_GREEK); break;
481 case LFUN_BOLD: handleFont(bv, LM_TC_BF); break;
482 case LFUN_SANS: handleFont(bv, LM_TC_SF); break;
483 case LFUN_EMPH: handleFont(bv, LM_TC_CAL); break;
484 case LFUN_ROMAN: handleFont(bv, LM_TC_RM); break;
485 case LFUN_CODE: handleFont(bv, LM_TC_TT); break;
486 case LFUN_NOUN: handleFont(bv, LM_TC_BB); break;
487 case LFUN_DEFAULT: handleFont(bv, LM_TC_VAR); break;
490 handleFont(bv, LM_TC_GREEK1);
492 mathcursor->interpret(arg);
496 handleFont(bv, LM_TC_TEXTRM);
497 //bv->owner()->message(_("math text mode toggled"));
500 case LFUN_MATH_LIMITS:
501 bv->lockedInsetStoreUndo(Undo::INSERT);
502 if (mathcursor->toggleLimits())
503 updateLocal(bv, true);
509 bv->lockedInsetStoreUndo(Undo::INSERT);
510 mathcursor->setSize(arg);
511 updateLocal(bv, true);
516 case LFUN_INSERT_MATRIX:
518 bv->lockedInsetStoreUndo(Undo::INSERT);
519 mathcursor->interpret("matrix " + arg);
520 updateLocal(bv, true);
524 case LFUN_MATH_SPACE:
526 bv->lockedInsetStoreUndo(Undo::EDIT);
527 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
528 updateLocal(bv, true);
532 case LFUN_MATH_DELIM:
534 bv->lockedInsetStoreUndo(Undo::INSERT);
535 //lyxerr << "formulabase::LFUN_MATH_DELIM, arg: '" << arg << "'\n";
538 istringstream is(arg.c_str());
541 lyxerr << "can't parse delimeters from '" << arg << "'\n";
544 bv->lockedInsetStoreUndo(Undo::EDIT);
545 mathcursor->handleDelim(ls, rs);
546 updateLocal(bv, true);
550 case LFUN_PROTECTEDSPACE:
551 //lyxerr << " called LFUN_PROTECTEDSPACE\n";
552 bv->lockedInsetStoreUndo(Undo::INSERT);
553 mathcursor->insert(MathAtom(new MathSpaceInset(1)));
554 updateLocal(bv, true);
558 bv->owner()->message(_("Invalid action in math mode!"));
562 case LFUN_MATH_HALIGN:
564 bv->lockedInsetStoreUndo(Undo::INSERT);
565 lyxerr << "handling halign '" << arg << "'\n";
566 MathInset::idx_type idx;
567 MathArrayInset * p = matrixpar(idx);
570 p->halign(arg.size() ? arg[0] : 'c', p->col(idx));
571 updateLocal(bv, true);
575 case LFUN_MATH_VALIGN:
577 bv->lockedInsetStoreUndo(Undo::INSERT);
578 lyxerr << "handling valign '" << arg << "'\n";
579 MathInset::idx_type idx;
580 MathArrayInset * p = matrixpar(idx);
583 p->valign(arg.size() ? arg[0] : 'c');
584 updateLocal(bv, true);
588 case LFUN_MATH_ROW_INSERT:
590 bv->lockedInsetStoreUndo(Undo::INSERT);
591 MathInset::idx_type idx;
592 MathArrayInset * p = matrixpar(idx);
593 lyxerr << " calling LFUN_MATH_ROW_INSERT on " << p << endl;
596 p->addRow(p->row(idx));
597 updateLocal(bv, true);
601 case LFUN_MATH_ROW_DELETE:
603 bv->lockedInsetStoreUndo(Undo::INSERT);
604 MathInset::idx_type idx;
605 MathArrayInset * p = matrixpar(idx);
606 lyxerr << " calling LFUN_MATH_ROW_DELETE on " << p << endl;
609 p->delRow(p->row(idx));
610 updateLocal(bv, true);
614 case LFUN_MATH_COLUMN_INSERT:
616 bv->lockedInsetStoreUndo(Undo::INSERT);
617 MathInset::idx_type idx;
618 MathArrayInset * p = matrixpar(idx);
621 p->addCol(p->col(idx));
622 updateLocal(bv, true);
626 case LFUN_MATH_COLUMN_DELETE:
628 bv->lockedInsetStoreUndo(Undo::INSERT);
629 MathInset::idx_type idx;
630 MathArrayInset * p = matrixpar(idx);
633 p->delCol(p->col(idx));
634 updateLocal(bv, true);
638 case LFUN_EXEC_COMMAND:
639 result = UNDISPATCHED;
642 case LFUN_BREAKPARAGRAPH:
643 case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
644 //lyxerr << "LFUN ignored\n";
648 case LFUN_INSERT_MATH:
649 case LFUN_SELFINSERT:
651 bv->lockedInsetStoreUndo(Undo::INSERT);
652 mathcursor->interpret(arg);
653 updateLocal(bv, true);
657 case LFUN_MATH_PANEL:
658 result = UNDISPATCHED;
662 result = UNDISPATCHED;
665 lyx::Assert(mathcursor);
666 //mathcursor->normalize();
668 if (//was_macro != mathcursor->inMacroMode() &&
669 action >= 0 && action != LFUN_BACKSPACE)
670 updateLocal(bv, true);
672 if (mathcursor->selection() || was_selection)
673 toggleInsetSelection(bv);
675 if (result == DISPATCHED || result == DISPATCHED_NOUPDATE ||
676 result == UNDISPATCHED)
679 bv->unlockInset(this);
681 return result; // original version
685 Inset::Code InsetFormulaBase::lyxCode() const
687 return Inset::MATH_CODE;
691 int InsetFormulaBase::upperY() const
693 return yo_ - ascent(view_, font_);
697 int InsetFormulaBase::lowerY() const
699 return yo_ + descent(view_, font_);
703 /////////////////////////////////////////////////////////////////////
706 void mathDispatchCreation(BufferView * bv, string const & arg, bool display)
708 if (bv->available()) {
709 // use selection if available..
711 //if (action == LFUN_MATH_IMPORT_SELECTION)
715 string sel = bv->getLyXText()->selectionAsString(bv->buffer(), false);
717 InsetFormulaBase * f;
719 f = new InsetFormula;
720 if (openNewInset(bv, f)) {
721 // don't do that also for LFUN_MATH_MODE unless you want end up with
722 // always changing to mathrm when opening an inlined inset
723 // -- I really hate "LyXfunc overloading"...
725 f->localDispatch(bv, LFUN_MATH_DISPLAY, string());
726 f->localDispatch(bv, LFUN_INSERT_MATH, arg);
729 // create a macro if we see "\\newcommand" somewhere, and an ordinary
731 if (sel.find("\\newcommand") == string::npos)
732 f = new InsetFormula(sel);
734 f = new InsetFormulaMacro(sel);
735 bv->getLyXText()->cutSelection(bv);
739 bv->owner()->getLyXFunc()->setMessage(N_("Math editor mode"));
743 void mathDispatchMathDisplay(BufferView * bv, string const & arg)
745 mathDispatchCreation(bv, arg, true);
749 void mathDispatchMathMode(BufferView * bv, string const & arg)
751 mathDispatchCreation(bv, arg, false);
755 void mathDispatchMathImportSelection(BufferView * bv, string const & arg)
757 mathDispatchCreation(bv, arg, true);
761 void mathDispatchMathMacro(BufferView * bv, string const & arg)
763 if (bv->available()) {
765 bv->owner()->getLyXFunc()->setErrorMessage(N_("Missing argument"));
768 string const s1 = token(s, ' ', 1);
769 int const na = s1.empty() ? 0 : lyx::atoi(s1);
770 openNewInset(bv, new InsetFormulaMacro(token(s, ' ', 0), na));
776 void mathDispatchMathDelim(BufferView * bv, string const & arg)
778 if (bv->available()) {
779 if (openNewInset(bv, new InsetFormula))
780 bv->theLockingInset()->localDispatch(bv, LFUN_MATH_DELIM, arg);
785 void mathDispatchInsertMatrix(BufferView * bv, string const & arg)
787 if (bv->available()) {
788 if (openNewInset(bv, new InsetFormula))
789 bv->theLockingInset()->localDispatch(bv, LFUN_INSERT_MATRIX, arg);
794 void mathDispatchInsertMath(BufferView * bv, string const & arg)
796 if (bv->available()) {
797 if (arg.size() && arg[0] == '\\') {
798 InsetFormula * f = new InsetFormula(arg);
799 if (!bv->insertInset(f))
802 mathDispatchMathMode(bv, arg);
807 void mathDispatchGreek(BufferView * bv, string const & arg)
809 if (bv->available()) {
810 InsetFormula * f = new InsetFormula;
811 if (openNewInset(bv, f)) {
812 bv->theLockingInset()->localDispatch(bv, LFUN_GREEK, arg);