1999-09-27 18:44:28 +00:00
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/*
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2001-02-14 19:35:25 +00:00
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* File: formula.C
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* Purpose: Implementation of formula inset
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* Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
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* Created: January 1996
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* Description: Allows the edition of math paragraphs inside Lyx.
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*
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* Copyright: 1996-1998 Alejandro Aguilar Sierra
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*
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* Version: 0.4, Lyx project.
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*
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* You are free to use and modify this code under the terms of
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* the GNU General Public Licence version 2 or later.
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*/
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1999-09-27 18:44:28 +00:00
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#ifdef __GNUG__
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2001-02-15 12:22:01 +00:00
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#pragma implementation
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1999-09-27 18:44:28 +00:00
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#endif
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2001-07-13 09:54:32 +00:00
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#include <config.h>
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#include <fstream>
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1999-09-27 18:44:28 +00:00
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#include "formula.h"
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#include "commandtags.h"
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#include "math_cursor.h"
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#include "math_parser.h"
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#include "lyx_main.h"
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#include "BufferView.h"
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#include "gettext.h"
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1999-10-07 18:44:17 +00:00
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#include "debug.h"
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1999-09-27 18:44:28 +00:00
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#include "lyx_gui_misc.h"
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1999-12-07 00:44:53 +00:00
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#include "support/LOstream.h"
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2001-04-25 15:43:57 +00:00
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#include "support/lyxlib.h"
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#include "support/syscall.h"
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1999-12-19 22:35:36 +00:00
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#include "LyXView.h"
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2000-02-10 17:53:36 +00:00
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#include "Painter.h"
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2000-12-11 09:46:09 +00:00
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#include "lyxrc.h"
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2001-02-13 13:28:32 +00:00
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#include "math_matrixinset.h"
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2001-02-13 19:10:18 +00:00
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#include "mathed/support.h"
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1999-09-27 18:44:28 +00:00
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2000-04-04 00:19:15 +00:00
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using std::ostream;
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2001-04-25 15:43:57 +00:00
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using std::ifstream;
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2000-04-04 00:19:15 +00:00
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using std::istream;
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2000-03-28 02:18:55 +00:00
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using std::pair;
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using std::endl;
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2000-05-19 16:46:01 +00:00
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using std::vector;
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1999-09-27 18:44:28 +00:00
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2001-02-16 09:25:43 +00:00
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extern char const * latex_mathenv[];
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2001-06-25 00:06:33 +00:00
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extern MathCursor * mathcursor;
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2001-03-20 01:22:46 +00:00
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// quite a hack i know. Should be done with return values...
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int number_of_newlines = 0;
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1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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InsetFormula::InsetFormula()
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: InsetFormulaBase(new MathMatrixInset)
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{}
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1999-11-24 22:14:46 +00:00
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1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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InsetFormula::InsetFormula(MathInsetTypes t)
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: InsetFormulaBase(new MathMatrixInset(t))
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{}
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1999-11-24 22:14:46 +00:00
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1999-09-27 18:44:28 +00:00
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2001-07-06 12:09:32 +00:00
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InsetFormula::InsetFormula(string const & s)
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2001-07-20 10:57:22 +00:00
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: InsetFormulaBase(mathed_parse(s))
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2001-07-06 12:09:32 +00:00
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{
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2001-07-26 06:56:43 +00:00
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metrics();
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2001-07-06 12:09:32 +00:00
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}
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1999-11-24 22:14:46 +00:00
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2001-07-06 15:57:54 +00:00
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Inset * InsetFormula::clone(Buffer const &, bool) const
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1999-09-27 18:44:28 +00:00
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{
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2001-06-25 00:06:33 +00:00
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return new InsetFormula(*this);
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1999-09-27 18:44:28 +00:00
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}
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1999-11-24 22:14:46 +00:00
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2001-07-06 12:09:32 +00:00
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void InsetFormula::write(ostream & os) const
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1999-09-27 18:44:28 +00:00
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{
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1999-12-07 00:44:53 +00:00
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os << "Formula ";
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2001-07-06 12:09:32 +00:00
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latex(os, false, false);
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1999-09-27 18:44:28 +00:00
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}
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1999-11-24 22:14:46 +00:00
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2001-07-06 12:09:32 +00:00
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int InsetFormula::latex(ostream & os, bool fragile, bool) const
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1999-09-27 18:44:28 +00:00
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{
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2001-07-26 06:56:43 +00:00
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par()->write(os, fragile);
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2001-06-25 00:06:33 +00:00
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return 1;
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1999-09-27 18:44:28 +00:00
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}
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2001-07-06 12:09:32 +00:00
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int InsetFormula::ascii(ostream & os, int) const
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2000-04-24 20:58:23 +00:00
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{
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2001-07-26 06:56:43 +00:00
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par()->write(os, false);
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2001-06-25 00:06:33 +00:00
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return 1;
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2000-04-24 20:58:23 +00:00
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}
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2001-07-06 12:09:32 +00:00
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int InsetFormula::linuxdoc(ostream & os) const
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2000-03-06 02:42:40 +00:00
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{
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2001-07-06 12:09:32 +00:00
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return ascii(os, 0);
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2000-03-06 02:42:40 +00:00
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}
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2001-07-06 12:09:32 +00:00
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int InsetFormula::docBook(ostream & os) const
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2000-03-06 02:42:40 +00:00
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{
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2001-07-06 12:09:32 +00:00
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return ascii(os, 0);
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2000-03-06 02:42:40 +00:00
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}
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1999-09-27 18:44:28 +00:00
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2001-07-06 12:09:32 +00:00
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void InsetFormula::read(LyXLex & lex)
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1999-09-27 18:44:28 +00:00
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{
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2001-07-06 12:09:32 +00:00
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par(mathed_parse(lex));
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2001-07-26 06:56:43 +00:00
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metrics();
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1999-09-27 18:44:28 +00:00
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}
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2001-06-25 00:06:33 +00:00
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void InsetFormula::draw(BufferView * bv, LyXFont const &,
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2001-06-27 14:10:35 +00:00
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int y, float & xx, bool) const
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1999-09-27 18:44:28 +00:00
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{
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2001-06-27 14:10:35 +00:00
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int x = int(xx) - 1;
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y -= 2;
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2001-07-13 14:54:56 +00:00
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2001-06-25 00:06:33 +00:00
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MathInset::workwidth = bv->workWidth();
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Painter & pain = bv->painter();
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2001-02-14 19:35:25 +00:00
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2001-07-26 06:56:43 +00:00
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metrics();
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2001-06-27 14:10:35 +00:00
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int w = par()->width();
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int h = par()->height();
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int a = par()->ascent();
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2001-07-13 14:54:56 +00:00
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pain.fillRectangle(x, y - a, w, h, LColor::mathbg);
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if (mathcursor && mathcursor->formula() == this) {
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2001-07-16 15:53:25 +00:00
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mathcursor->drawSelection(pain);
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2001-07-13 14:54:56 +00:00
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pain.rectangle(x, y - a, w, h, LColor::mathframe);
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2001-04-24 16:13:38 +00:00
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}
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2001-07-13 14:54:56 +00:00
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par()->draw(pain, x, y);
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2001-06-27 14:10:35 +00:00
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xx += par()->width();
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2001-02-14 19:35:25 +00:00
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2001-06-25 00:06:33 +00:00
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setCursorVisible(false);
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1999-09-27 18:44:28 +00:00
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}
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1999-11-24 22:14:46 +00:00
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2001-07-26 06:56:43 +00:00
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void InsetFormula::metrics() const
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2001-07-13 11:32:22 +00:00
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{
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2001-07-26 06:56:43 +00:00
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const_cast<MathInset *>(par_)->metrics(display() ? LM_ST_DISPLAY : LM_ST_TEXT);
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2001-07-13 11:32:22 +00:00
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}
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2001-06-25 00:06:33 +00:00
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vector<string> const InsetFormula::getLabelList() const
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2000-02-10 17:53:36 +00:00
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{
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2001-06-25 00:06:33 +00:00
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return par()->getLabelList();
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2000-02-10 17:53:36 +00:00
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}
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1999-09-27 18:44:28 +00:00
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1999-11-24 22:14:46 +00:00
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2001-06-25 00:06:33 +00:00
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UpdatableInset::RESULT
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2001-06-28 10:25:20 +00:00
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InsetFormula::localDispatch(BufferView * bv, kb_action action,
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2001-06-25 00:06:33 +00:00
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string const & arg)
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2000-02-10 17:53:36 +00:00
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{
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2001-06-25 00:06:33 +00:00
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RESULT result = DISPATCHED;
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1999-11-24 22:14:46 +00:00
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2001-06-25 00:06:33 +00:00
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switch (action) {
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1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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case LFUN_BREAKLINE:
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bv->lockedInsetStoreUndo(Undo::INSERT);
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2001-07-16 15:53:25 +00:00
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int x;
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int y;
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mathcursor->GetPos(x, y);
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2001-07-06 12:09:32 +00:00
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mathcursor->breakLine();
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2001-07-16 15:53:25 +00:00
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mathcursor->normalize();
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2001-07-17 09:46:07 +00:00
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updateLocal(bv, true);
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2001-06-25 00:06:33 +00:00
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break;
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1999-11-24 22:14:46 +00:00
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2001-06-25 00:06:33 +00:00
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case LFUN_MATH_NUMBER:
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{
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//lyxerr << "toggling all numbers\n";
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if (display()) {
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bv->lockedInsetStoreUndo(Undo::INSERT);
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bool old = par()->numberedType();
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for (int row = 0; row < par()->nrows(); ++row)
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par()->numbered(row, !old);
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bv->owner()->message(old ? _("No number") : _("Number"));
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2001-07-17 09:46:07 +00:00
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updateLocal(bv, true);
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2000-02-10 17:53:36 +00:00
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}
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2001-06-25 00:06:33 +00:00
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break;
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2000-02-10 17:53:36 +00:00
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}
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1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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case LFUN_MATH_NONUMBER:
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{
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//lyxerr << "toggling line number\n";
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if (display()) {
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bv->lockedInsetStoreUndo(Undo::INSERT);
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2001-06-27 14:10:35 +00:00
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int row = mathcursor->row();
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2001-06-25 00:06:33 +00:00
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bool old = par()->numbered(row);
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bv->owner()->message(old ? _("No number") : _("Number"));
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par()->numbered(row, !old);
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2001-07-17 09:46:07 +00:00
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updateLocal(bv, true);
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2001-06-25 00:06:33 +00:00
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}
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break;
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2001-02-14 19:35:25 +00:00
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}
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1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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case LFUN_INSERT_LABEL:
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{
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bv->lockedInsetStoreUndo(Undo::INSERT);
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1999-11-24 22:14:46 +00:00
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2001-06-27 14:10:35 +00:00
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int row = mathcursor->row();
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2001-06-25 00:06:33 +00:00
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string old_label = par()->label(row);
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string new_label = arg;
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1999-11-24 22:14:46 +00:00
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2001-06-25 00:06:33 +00:00
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if (new_label.empty()) {
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string const default_label =
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(lyxrc.label_init_length >= 0) ? "eq:" : "";
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pair<bool, string> const res = old_label.empty()
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? askForText(_("Enter new label to insert:"), default_label)
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: askForText(_("Enter label:"), old_label);
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lyxerr << "res: " << res.first << " - '" << res.second << "'\n";
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if (!res.first)
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break;
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new_label = frontStrip(strip(res.second));
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}
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2001-02-14 19:35:25 +00:00
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2001-06-25 00:06:33 +00:00
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//if (new_label == old_label)
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// break; // Nothing to do
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1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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if (!new_label.empty()) {
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lyxerr << "setting label to '" << new_label << "'\n";
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par()->numbered(row, true);
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}
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2000-09-14 17:53:12 +00:00
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2001-06-25 00:06:33 +00:00
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if (!new_label.empty() && bv->ChangeRefsIfUnique(old_label, new_label))
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bv->redraw();
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1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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par()->label(row, new_label);
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1999-11-24 22:14:46 +00:00
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2001-07-17 09:46:07 +00:00
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updateLocal(bv, true);
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2001-06-25 00:06:33 +00:00
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break;
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2001-02-14 19:35:25 +00:00
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}
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1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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case LFUN_MATH_EXTERN:
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2001-07-06 12:09:32 +00:00
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bv->lockedInsetStoreUndo(Undo::EDIT);
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2001-06-28 10:25:20 +00:00
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handleExtern(arg, bv);
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2001-07-17 09:46:07 +00:00
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updateLocal(bv, true);
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2001-06-25 00:06:33 +00:00
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break;
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1999-11-24 22:14:46 +00:00
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2001-06-25 00:06:33 +00:00
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case LFUN_MATH_MUTATE:
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2001-07-06 12:09:32 +00:00
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{
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bv->lockedInsetStoreUndo(Undo::EDIT);
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int x;
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int y;
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mathcursor->GetPos(x, y);
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2001-06-25 00:06:33 +00:00
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par()->mutate(arg);
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2001-07-06 12:09:32 +00:00
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mathcursor->SetPos(x, y);
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mathcursor->normalize();
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2001-07-17 09:46:07 +00:00
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updateLocal(bv, true);
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2001-06-25 00:06:33 +00:00
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break;
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2001-07-06 12:09:32 +00:00
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}
|
1999-09-27 18:44:28 +00:00
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2001-06-25 00:06:33 +00:00
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case LFUN_MATH_DISPLAY:
|
2001-07-12 11:53:45 +00:00
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{
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int x;
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int y;
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mathcursor->GetPos(x, y);
|
2001-07-26 06:56:43 +00:00
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if (par()->getType() == LM_OT_SIMPLE)
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2001-06-25 00:06:33 +00:00
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par()->mutate(LM_OT_EQUATION);
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else
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par()->mutate(LM_OT_SIMPLE);
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2001-07-12 11:53:45 +00:00
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mathcursor->SetPos(x, y);
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mathcursor->normalize();
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2001-07-17 09:46:07 +00:00
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updateLocal(bv, true);
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2001-06-25 00:06:33 +00:00
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break;
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2001-07-12 11:53:45 +00:00
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}
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2001-07-26 06:46:50 +00:00
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|
|
|
case LFUN_PASTESELECTION:
|
|
|
|
{
|
|
|
|
string const clip = bv->getClipboard();
|
|
|
|
if (!clip.empty())
|
|
|
|
par(mathed_parse(clip));
|
|
|
|
break;
|
|
|
|
}
|
1999-11-24 22:14:46 +00:00
|
|
|
|
2001-06-25 00:06:33 +00:00
|
|
|
default:
|
2001-06-28 10:25:20 +00:00
|
|
|
result = InsetFormulaBase::localDispatch(bv, action, arg);
|
2001-02-14 19:35:25 +00:00
|
|
|
}
|
2000-05-19 16:46:01 +00:00
|
|
|
|
2001-06-25 00:06:33 +00:00
|
|
|
return result;
|
1999-09-27 18:44:28 +00:00
|
|
|
}
|
|
|
|
|
1999-11-24 22:14:46 +00:00
|
|
|
|
2001-06-28 10:25:20 +00:00
|
|
|
void InsetFormula::handleExtern(const string & arg, BufferView *)
|
1999-09-27 18:44:28 +00:00
|
|
|
{
|
2001-06-25 00:06:33 +00:00
|
|
|
//string outfile = lyx::tempName("maple.out");
|
|
|
|
string outfile = "/tmp/lyx2" + arg + ".out";
|
|
|
|
ostringstream os;
|
2001-07-26 06:56:43 +00:00
|
|
|
par()->writeNormal(os);
|
2001-06-25 00:06:33 +00:00
|
|
|
string code = os.str().c_str();
|
|
|
|
string script = "lyx2" + arg + " '" + code + "' " + outfile;
|
|
|
|
lyxerr << "calling: " << script << endl;
|
|
|
|
Systemcalls cmd(Systemcalls::System, script, 0);
|
1999-09-27 18:44:28 +00:00
|
|
|
|
2001-06-25 00:06:33 +00:00
|
|
|
ifstream is(outfile.c_str());
|
2001-07-06 12:09:32 +00:00
|
|
|
par(mathed_parse(is));
|
2001-07-26 06:56:43 +00:00
|
|
|
metrics();
|
1999-09-27 18:44:28 +00:00
|
|
|
}
|
|
|
|
|
2001-06-25 00:06:33 +00:00
|
|
|
bool InsetFormula::display() const
|
1999-09-27 18:44:28 +00:00
|
|
|
{
|
2001-07-26 06:56:43 +00:00
|
|
|
return par_->getType() != LM_OT_SIMPLE;
|
1999-09-27 18:44:28 +00:00
|
|
|
}
|
|
|
|
|
1999-11-24 22:14:46 +00:00
|
|
|
|
2001-06-25 00:06:33 +00:00
|
|
|
MathMatrixInset * InsetFormula::par() const
|
1999-09-27 18:44:28 +00:00
|
|
|
{
|
2001-06-25 00:06:33 +00:00
|
|
|
return static_cast<MathMatrixInset *>(par_);
|
1999-09-27 18:44:28 +00:00
|
|
|
}
|
|
|
|
|
2001-07-06 12:09:32 +00:00
|
|
|
void InsetFormula::par(MathInset * p)
|
|
|
|
{
|
|
|
|
delete par_;
|
|
|
|
par_ = p ? p : new MathMatrixInset;
|
|
|
|
}
|
|
|
|
|
1999-11-24 22:14:46 +00:00
|
|
|
|
2001-06-28 10:25:20 +00:00
|
|
|
Inset::Code InsetFormula::lyxCode() const
|
1999-09-27 18:44:28 +00:00
|
|
|
{
|
2001-06-25 00:06:33 +00:00
|
|
|
return Inset::MATH_CODE;
|
1999-09-27 18:44:28 +00:00
|
|
|
}
|
|
|
|
|
1999-11-24 22:14:46 +00:00
|
|
|
|
2001-06-28 10:25:20 +00:00
|
|
|
void InsetFormula::validate(LaTeXFeatures & features) const
|
1999-09-27 18:44:28 +00:00
|
|
|
{
|
2001-07-26 06:56:43 +00:00
|
|
|
par()->validate(features);
|
1999-09-27 18:44:28 +00:00
|
|
|
}
|
|
|
|
|
2001-07-23 09:11:14 +00:00
|
|
|
bool InsetFormula::insetAllowed(Inset::Code code) const
|
|
|
|
{
|
|
|
|
return code == Inset::LABEL_CODE;
|
|
|
|
}
|
|
|
|
|
1999-11-24 22:14:46 +00:00
|
|
|
|
2001-06-25 00:06:33 +00:00
|
|
|
int InsetFormula::ascent(BufferView *, LyXFont const &) const
|
1999-09-27 18:44:28 +00:00
|
|
|
{
|
2001-07-16 15:53:25 +00:00
|
|
|
return par()->ascent() + 1;
|
1999-09-27 18:44:28 +00:00
|
|
|
}
|
2001-02-16 09:25:43 +00:00
|
|
|
|
|
|
|
|
2001-06-25 00:06:33 +00:00
|
|
|
int InsetFormula::descent(BufferView *, LyXFont const &) const
|
2001-02-16 09:25:43 +00:00
|
|
|
{
|
2001-07-16 15:53:25 +00:00
|
|
|
return par()->descent() + 1;
|
2001-02-16 09:25:43 +00:00
|
|
|
}
|
2001-03-16 12:08:14 +00:00
|
|
|
|
2001-03-20 01:22:46 +00:00
|
|
|
|
2001-06-25 00:06:33 +00:00
|
|
|
int InsetFormula::width(BufferView *, LyXFont const &) const
|
2001-03-16 12:08:14 +00:00
|
|
|
{
|
2001-07-26 06:56:43 +00:00
|
|
|
metrics();
|
2001-07-17 09:46:07 +00:00
|
|
|
return par()->width();
|
2001-03-16 12:08:14 +00:00
|
|
|
}
|