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https://git.lyx.org/repos/lyx.git
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adaef99e60
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1198 a592a061-630c-0410-9148-cb99ea01b6c8
1299 lines
31 KiB
C
1299 lines
31 KiB
C
/*
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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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#include <config.h>
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#include "Lsstream.h"
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#ifdef __GNUG__
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#pragma implementation "formula.h"
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#endif
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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 "minibuffer.h"
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#include "BufferView.h"
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#include "lyxtext.h"
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#include "gettext.h"
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#include "LaTeXFeatures.h"
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#include "debug.h"
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#include "lyx_gui_misc.h"
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#include "support/LOstream.h"
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#include "LyXView.h"
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#include "Painter.h"
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#include "font.h"
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#include "support/lyxlib.h"
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using std::ostream;
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using std::istream;
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using std::pair;
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using std::endl;
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using std::vector;
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using std::max;
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#if 0
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using std::strncmp;
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using std::strcmp;
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using std::abs;
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using std::isdigit;
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using std::isalpha;
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#endif
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//extern char * mathed_label;
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extern string mathed_label;
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extern char const * latex_special_chars;
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int greek_kb_flag = 0;
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LyXFont * Math_Fonts = 0; // this is only used by Whichfont and mathed_init_fonts (Lgb)
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static LyXFont::FONT_SIZE lfont_size = LyXFont::SIZE_NORMAL;
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// local global
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static int sel_x;
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static int sel_y;
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static bool sel_flag;
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MathedCursor * InsetFormula::mathcursor = 0;
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int MathedInset::df_asc;
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int MathedInset::df_des;
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int MathedInset::df_width;
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static
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void mathedValidate(LaTeXFeatures & features, MathParInset * par);
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LyXFont WhichFont(short type, int size)
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{
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LyXFont f;
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if (!Math_Fonts)
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mathed_init_fonts();
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switch (type) {
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case LM_TC_SYMB:
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f = Math_Fonts[2];
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break;
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case LM_TC_BSYM:
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f = Math_Fonts[2];
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break;
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case LM_TC_VAR:
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case LM_TC_IT:
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f = Math_Fonts[0];
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break;
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case LM_TC_BF:
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f = Math_Fonts[3];
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break;
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case LM_TC_SF:
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f = Math_Fonts[7];
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break;
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case LM_TC_CAL:
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f = Math_Fonts[4];
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break;
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case LM_TC_TT:
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f = Math_Fonts[5];
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break;
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case LM_TC_SPECIAL: //f = Math_Fonts[0]; break;
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case LM_TC_TEXTRM:
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case LM_TC_RM:
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f = Math_Fonts[6];
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break;
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default:
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f = Math_Fonts[1];
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break;
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}
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f.setSize(lfont_size);
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switch (size) {
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case LM_ST_DISPLAY:
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if (type == LM_TC_BSYM) {
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f.incSize();
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f.incSize();
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}
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break;
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case LM_ST_TEXT:
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break;
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case LM_ST_SCRIPT:
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f.decSize();
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break;
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case LM_ST_SCRIPTSCRIPT:
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f.decSize();
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f.decSize();
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break;
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default:
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lyxerr << "Mathed Error: wrong font size: " << size << endl;
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break;
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}
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if (type != LM_TC_TEXTRM)
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f.setColor(LColor::math);
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return f;
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}
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void mathed_init_fonts() //removed 'static' because DEC cxx does not
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//like it (JMarc)
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// Probably because this func is declared as a friend in math_defs.h
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// Lgb
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{
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Math_Fonts = new LyXFont[8]; //DEC cxx cannot initialize all fonts
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//at once (JMarc) rc
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for (int i = 0 ; i < 8 ; ++i) {
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Math_Fonts[i] = LyXFont(LyXFont::ALL_SANE);
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}
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Math_Fonts[0].setShape(LyXFont::ITALIC_SHAPE);
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Math_Fonts[1].setFamily(LyXFont::SYMBOL_FAMILY);
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Math_Fonts[2].setFamily(LyXFont::SYMBOL_FAMILY);
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Math_Fonts[2].setShape(LyXFont::ITALIC_SHAPE);
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Math_Fonts[3].setSeries(LyXFont::BOLD_SERIES);
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Math_Fonts[4].setFamily(LyXFont::SANS_FAMILY);
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Math_Fonts[4].setShape(LyXFont::ITALIC_SHAPE);
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Math_Fonts[5].setFamily(LyXFont::TYPEWRITER_FAMILY);
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Math_Fonts[6].setFamily(LyXFont::ROMAN_FAMILY);
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Math_Fonts[7].setFamily(LyXFont::SANS_FAMILY);
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LyXFont f = WhichFont(LM_TC_VAR, LM_ST_TEXT);
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MathedInset::df_asc = lyxfont::maxAscent(f);
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MathedInset::df_des = lyxfont::maxDescent(f);
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MathedInset::df_width = lyxfont::width('I', f);
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}
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LyXFont mathed_get_font(short type, int size)
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{
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LyXFont f = WhichFont(type, size);
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if (type == LM_TC_TEX) {
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f.setLatex(LyXFont::ON);
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}
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return f;
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}
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int mathed_string_width(short type, int size, byte const * s, int ls)
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{
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string st;
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if (MathIsBinary(type))
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for (int i = 0; i < ls; ++i) {
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st += ' ';
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st += s[i];
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st += ' ';
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}
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else
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st = string(reinterpret_cast<char const *>(s), ls);
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LyXFont const f = WhichFont(type, size);
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return lyxfont::width(st, f);
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}
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int mathed_string_width(short type, int size, string const & str)
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{
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return mathed_string_width(type, size, reinterpret_cast<unsigned char const *>(str.c_str()), str.length());
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}
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int mathed_char_width(short type, int size, byte c)
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{
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int t = (MathIsBinary(type)) ? mathed_string_width(type, size, &c, 1) :
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lyxfont::width(c, WhichFont(type, size));
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return t;
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}
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int mathed_string_height(short type, int size, byte const * s,
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int ls, int & asc, int & des)
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{
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LyXFont font = WhichFont(type, size);
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asc = des = 0;
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for (int i = 0; i < ls; ++i) {
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des = max(des, lyxfont::descent(s[i], font));
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asc = max(asc, lyxfont::ascent(s[i], font));
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}
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return asc + des;
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}
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int mathed_string_height(short type, int size, string const & str,
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int & asc, int & des)
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{
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return mathed_string_height(type, size,
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reinterpret_cast<unsigned char const *>(str.c_str()), str.length(),
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asc, des);
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}
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int mathed_char_height(short type, int size, byte c, int & asc, int & des)
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{
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LyXFont font = WhichFont(type, size);
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des = lyxfont::descent(c, font);
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asc = lyxfont::ascent(c, font);
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return asc + des;
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}
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// In a near future maybe we use a better fonts renderer
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void MathedInset::drawStr(Painter & pain, short type, int siz,
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int x, int y, byte const * s, int ls)
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{
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string st;
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if (MathIsBinary(type))
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for (int i = 0; i < ls; ++i) {
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st += ' ';
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st += char(s[i]);
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st += ' ';
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}
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else
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st = string(reinterpret_cast<char const *>(s), ls);
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LyXFont const mf = mathed_get_font(type, siz);
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pain.text(x, y, st, mf);
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}
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InsetFormula::InsetFormula(bool display)
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{
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par = new MathParInset; // this leaks
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// mathcursor = 0;
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disp_flag = display;
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//label = 0;
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if (disp_flag) {
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par->SetType(LM_OT_PAR);
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par->SetStyle(LM_ST_DISPLAY);
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}
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}
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InsetFormula::InsetFormula(MathParInset * p)
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{
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par = (p->GetType()>= LM_OT_MPAR) ?
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new MathMatrixInset(static_cast<MathMatrixInset*>(p)):
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new MathParInset(p);
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// mathcursor = 0;
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disp_flag = (par->GetType()>0);
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//label = 0;
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}
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InsetFormula::~InsetFormula()
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{
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delete par;
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}
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Inset * InsetFormula::Clone(Buffer const &) const
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{
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InsetFormula * f = new InsetFormula(par);
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f->label = label;
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return f;
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}
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void InsetFormula::Write(Buffer const * buf, ostream & os) const
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{
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os << "Formula ";
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Latex(buf, os, false, false);
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}
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int InsetFormula::Latex(Buffer const *, ostream & os, bool fragile, bool) const
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{
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int ret = 0;
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//#warning Alejandro, the number of lines is not returned in this case
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// This problem will disapear at 0.13.
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mathed_write(par, os, &ret, fragile, label);
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return ret;
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}
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int InsetFormula::Ascii(Buffer const *, ostream & os, int) const
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{
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par->Write(os, false);
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return 0;
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}
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int InsetFormula::Linuxdoc(Buffer const * buf, ostream & os) const
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{
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return Ascii(buf, os, 0);
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}
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int InsetFormula::DocBook(Buffer const * buf, ostream & os) const
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{
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return Ascii(buf, os, 0);
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}
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// Check if uses AMS macros
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void InsetFormula::Validate(LaTeXFeatures & features) const
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{
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// Validation only necesary if not using an AMS Style
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if (!features.amsstyle)
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mathedValidate(features, par);
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}
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void InsetFormula::Read(Buffer const *, LyXLex & lex)
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{
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istream & is = lex.getStream();
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mathed_parser_file(is, lex.GetLineNo());
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// Silly hack to read labels.
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//mathed_label = 0;
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mathed_label.erase();
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mathed_parse(0, 0, &par);
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par->Metrics();
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disp_flag = (par->GetType() > 0);
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// Update line number
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lex.setLineNo(mathed_parser_lineno());
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//if (mathed_label) {
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if (!mathed_label.empty()) {
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label = mathed_label;
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//mathed_label = 0;
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mathed_label.erase();
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}
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// reading of end_inset in the inset!!!
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while (lex.IsOK()) {
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lex.nextToken();
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if (lex.GetString() == "\\end_inset")
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break;
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lyxerr << "InsetFormula::Read: Garbage before \\end_inset,"
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" or missing \\end_inset!" << endl;
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}
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#ifdef DEBUG
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Write(lyxerr);
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#endif
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}
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int InsetFormula::ascent(BufferView *, LyXFont const &) const
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{
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return par->Ascent() + ((disp_flag) ? 8 : 1);
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}
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int InsetFormula::descent(BufferView *, LyXFont const &) const
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{
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return par->Descent() + ((disp_flag) ? 8 : 1);
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}
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int InsetFormula::width(BufferView *, LyXFont const & f) const
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{
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lfont_size = f.size();
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par->Metrics();
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return par->Width(); //+2;
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}
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void InsetFormula::draw(BufferView * bv, LyXFont const & f,
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int baseline, float & x, bool) const
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{
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Painter & pain = bv->painter();
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// Seems commenting out solves a problem.
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LyXFont font = mathed_get_font(LM_TC_TEXTRM, LM_ST_TEXT);
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font.setSize(f.size());
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lfont_size = font.size();
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/// Let's try to wait a bit with this... (Lgb)
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//UpdatableInset::draw(pain, font, baseline, x);
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// otherwise a segfault could occur
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// in some XDrawRectangles (i.e. matrix) (Matthias)
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if (mathcursor && mathcursor->GetPar() == par) {
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if (mathcursor->Selection()) {
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int n;
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int * xp = 0;
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int * yp = 0;
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mathcursor->SelGetArea(&xp, &yp, n);
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pain.fillPolygon(xp, yp, n, LColor::selection);
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}
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mathcursor->draw(pain, int(x), baseline);
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} else {
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par->draw(pain, int(x), baseline);
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}
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x += float(width(bv, font));
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if (par->GetType() == LM_OT_PARN || par->GetType() == LM_OT_MPARN) {
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LyXFont wfont = WhichFont(LM_TC_BF, par->size);
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wfont.setLatex(LyXFont::OFF);
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if (par->GetType() == LM_OT_PARN) {
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string str;
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if (!label.empty())
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str = string("(") + label + ")";
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else
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str = string("(#)");
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pain.text(int(x + 20), baseline, str, wfont);
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} else if (par->GetType() == LM_OT_MPARN) {
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MathMatrixInset * mt =
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static_cast<MathMatrixInset*>(par);
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int y;
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MathedRowSt const * crow = mt->getRowSt();
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while (crow) {
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y = baseline + crow->getBaseline();
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if (crow->isNumbered()) {
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string str;
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if (!crow->getLabel().empty())
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str = string("(") + crow->getLabel() + ")";
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else
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str = "(#)";
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pain.text(int(x + 20), y, str, wfont);
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}
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crow = crow->getNext();
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}
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}
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}
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cursor_visible = false;
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}
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string const InsetFormula::EditMessage() const
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{
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return _("Math editor mode");
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}
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void InsetFormula::Edit(BufferView * bv, int x, int y, unsigned int)
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{
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mathcursor = new MathedCursor(par);
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if (!bv->lockInset(this))
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lyxerr[Debug::MATHED] << "Cannot lock inset!!!" << endl;
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par->Metrics();
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bv->updateInset(this, false);
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x += par->xo;
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y += par->yo;
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mathcursor->SetPos(x, y);
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sel_x = sel_y = 0;
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sel_flag = false;
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}
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void InsetFormula::InsetUnlock(BufferView * bv)
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{
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if (mathcursor) {
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if (mathcursor->InMacroMode()) {
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mathcursor->MacroModeClose();
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UpdateLocal(bv);
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}
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delete mathcursor;
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}
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mathcursor = 0;
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bv->updateInset(this, false);
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}
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// Now a symbol can be inserted only if the inset is locked
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void InsetFormula::InsertSymbol(BufferView * bv, string const & s)
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{
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if (s.empty() || !mathcursor) return;
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mathcursor->Interpret(s);
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UpdateLocal(bv);
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}
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void InsetFormula::GetCursorPos(BufferView *, int & x, int & y) const
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{
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mathcursor->GetPos(x, y);
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x -= par->xo;
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y -= par->yo;
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}
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void InsetFormula::ToggleInsetCursor(BufferView * bv)
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{
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if (!mathcursor)
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return;
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int x;
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int y;
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mathcursor->GetPos(x, y);
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// x -= par->xo;
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y -= par->yo;
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LyXFont font = WhichFont(LM_TC_TEXTRM, LM_ST_TEXT);
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int asc = lyxfont::maxAscent(font);
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int desc = lyxfont::maxDescent(font);
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if (cursor_visible)
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bv->hideLockedInsetCursor();
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else
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bv->showLockedInsetCursor(x, y, asc, desc);
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cursor_visible = !cursor_visible;
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}
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|
|
void InsetFormula::ShowInsetCursor(BufferView * bv, bool)
|
|
{
|
|
if (!cursor_visible) {
|
|
if (mathcursor) {
|
|
int x;
|
|
int y;
|
|
mathcursor->GetPos(x, y);
|
|
// x -= par->xo;
|
|
y -= par->yo;
|
|
LyXFont font = WhichFont(LM_TC_TEXTRM, LM_ST_TEXT);
|
|
int asc = lyxfont::maxAscent(font);
|
|
int desc = lyxfont::maxDescent(font);
|
|
bv->fitLockedInsetCursor(x, y, asc, desc);
|
|
}
|
|
ToggleInsetCursor(bv);
|
|
}
|
|
}
|
|
|
|
|
|
void InsetFormula::HideInsetCursor(BufferView * bv)
|
|
{
|
|
if (cursor_visible)
|
|
ToggleInsetCursor(bv);
|
|
}
|
|
|
|
|
|
void InsetFormula::ToggleInsetSelection(BufferView * bv)
|
|
{
|
|
if (!mathcursor)
|
|
return;
|
|
|
|
// int x, y, w, h;
|
|
//int n;
|
|
//XPoint * p =
|
|
//mathcursor->SelGetArea(n);
|
|
// XFillPolygon(fl_get_display(), pm, LyXGetSelectionGC(), p, n, Nonconvex, CoordModeOrigin);
|
|
// x -= par->xo;
|
|
// y -= par->yo;
|
|
|
|
bv->updateInset(this, false);
|
|
|
|
}
|
|
|
|
|
|
void InsetFormula::display(bool dspf)
|
|
{
|
|
if (dspf != disp_flag) {
|
|
if (dspf) {
|
|
par->SetType(LM_OT_PAR);
|
|
par->SetStyle(LM_ST_DISPLAY);
|
|
} else {
|
|
if (par->GetType() >= LM_OT_MPAR) {
|
|
MathParInset * p = new MathParInset(par);
|
|
delete par;
|
|
par = p;
|
|
if (mathcursor)
|
|
mathcursor->SetPar(par);
|
|
}
|
|
par->SetType(LM_OT_MIN);
|
|
par->SetStyle(LM_ST_TEXT);
|
|
if (!label.empty() && par->GetType() != LM_OT_MPARN) {
|
|
label.erase();
|
|
}
|
|
}
|
|
disp_flag = dspf;
|
|
}
|
|
}
|
|
|
|
|
|
vector<string> const InsetFormula::getLabelList() const
|
|
{
|
|
//#warning This is dirty, I know. Ill clean it at 0.11
|
|
// Correction, the only way to clean this is with a new kernel: 0.13.
|
|
|
|
vector<string> label_list;
|
|
|
|
if (par->GetType() == LM_OT_MPARN) {
|
|
MathMatrixInset * mt = static_cast<MathMatrixInset*>(par);
|
|
MathedRowSt const * crow = mt->getRowSt();
|
|
while (crow) {
|
|
if (!crow->getLabel().empty())
|
|
label_list.push_back(crow->getLabel());
|
|
crow = crow->getNext();
|
|
}
|
|
} else if (!label.empty())
|
|
label_list.push_back(label);
|
|
|
|
return label_list;
|
|
}
|
|
|
|
|
|
void InsetFormula::UpdateLocal(BufferView * bv)
|
|
{
|
|
par->Metrics(); // To inform lyx kernel the exact size
|
|
// (there were problems with arrays).
|
|
bv->updateInset(this, true);
|
|
}
|
|
|
|
|
|
void InsetFormula::InsetButtonRelease(BufferView * bv,
|
|
int x, int y, int /*button*/)
|
|
{
|
|
if (mathcursor) {
|
|
HideInsetCursor(bv);
|
|
x += par->xo;
|
|
y += par->yo;
|
|
mathcursor->SetPos(x, y);
|
|
ShowInsetCursor(bv);
|
|
if (sel_flag) {
|
|
sel_flag = false;
|
|
sel_x = sel_y = 0;
|
|
bv->updateInset(this, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void InsetFormula::InsetButtonPress(BufferView * bv,
|
|
int x, int y, int /*button*/)
|
|
{
|
|
sel_flag = false;
|
|
sel_x = x; sel_y = y;
|
|
if (mathcursor && mathcursor->Selection()) {
|
|
mathcursor->SelClear();
|
|
bv->updateInset(this, false);
|
|
}
|
|
}
|
|
|
|
|
|
void InsetFormula::InsetMotionNotify(BufferView * bv,
|
|
int x, int y, int /*button*/)
|
|
{
|
|
if (sel_x && sel_y && abs(x-sel_x) > 4 && !sel_flag) {
|
|
sel_flag = true;
|
|
HideInsetCursor(bv);
|
|
mathcursor->SetPos(sel_x + par->xo, sel_y + par->yo);
|
|
mathcursor->SelStart();
|
|
ShowInsetCursor(bv);
|
|
mathcursor->GetPos(sel_x, sel_y);
|
|
} else if (sel_flag) {
|
|
HideInsetCursor(bv);
|
|
x += par->xo;
|
|
y += par->yo;
|
|
mathcursor->SetPos(x, y);
|
|
ShowInsetCursor(bv);
|
|
mathcursor->GetPos(x, y);
|
|
if (sel_x!= x || sel_y!= y)
|
|
bv->updateInset(this, false);
|
|
sel_x = x; sel_y = y;
|
|
}
|
|
}
|
|
|
|
|
|
void InsetFormula::InsetKeyPress(XKeyEvent *)
|
|
{
|
|
lyxerr[Debug::MATHED] << "Used InsetFormula::InsetKeyPress." << endl;
|
|
}
|
|
|
|
|
|
// Special Mathed functions
|
|
bool InsetFormula::SetNumber(bool numbf)
|
|
{
|
|
if (disp_flag) {
|
|
short type = par->GetType();
|
|
bool oldf = (type == LM_OT_PARN || type == LM_OT_MPARN);
|
|
if (numbf && !oldf) ++type;
|
|
if (!numbf && oldf) --type;
|
|
par->SetType(type);
|
|
return oldf;
|
|
} else
|
|
return false;
|
|
}
|
|
|
|
|
|
UpdatableInset::RESULT
|
|
InsetFormula::LocalDispatch(BufferView * bv,
|
|
int action, string const & arg)
|
|
{
|
|
// extern char *dispatch_result;
|
|
MathedTextCodes varcode = LM_TC_MIN;
|
|
bool was_macro = mathcursor->InMacroMode();
|
|
bool sel = false;
|
|
bool space_on = false;
|
|
bool was_selection = mathcursor->Selection();
|
|
RESULT result = DISPATCHED;
|
|
static MathSpaceInset * sp= 0;
|
|
|
|
HideInsetCursor(bv);
|
|
|
|
if (mathcursor->getLastCode() == LM_TC_TEX) {
|
|
varcode = LM_TC_TEX;
|
|
}
|
|
switch (action) {
|
|
|
|
// --- Cursor Movements ---------------------------------------------
|
|
case LFUN_RIGHTSEL: sel = true;
|
|
case LFUN_RIGHT:
|
|
{
|
|
result = DISPATCH_RESULT(mathcursor->Right(sel));
|
|
if (!sel && (result == DISPATCHED))
|
|
result = DISPATCHED_NOUPDATE;
|
|
break;
|
|
}
|
|
case LFUN_LEFTSEL: sel = true;
|
|
case LFUN_LEFT:
|
|
{
|
|
result = DISPATCH_RESULT(mathcursor->Left(sel));
|
|
if (!sel && (result == DISPATCHED))
|
|
result = DISPATCHED_NOUPDATE;
|
|
break;
|
|
}
|
|
case LFUN_UPSEL: sel = true;
|
|
case LFUN_UP:
|
|
result = DISPATCH_RESULT(mathcursor->Up(sel));
|
|
if (!sel && (result == DISPATCHED))
|
|
result = DISPATCHED_NOUPDATE;
|
|
break;
|
|
|
|
case LFUN_DOWNSEL: sel = true;
|
|
case LFUN_DOWN:
|
|
result = DISPATCH_RESULT(mathcursor->Down(sel));
|
|
if (!sel && (result == DISPATCHED))
|
|
result = DISPATCHED_NOUPDATE;
|
|
break;
|
|
case LFUN_HOME:
|
|
mathcursor->Home();
|
|
result = DISPATCHED_NOUPDATE;
|
|
break;
|
|
case LFUN_END:
|
|
mathcursor->End();
|
|
result = DISPATCHED_NOUPDATE;
|
|
break;
|
|
case LFUN_DELETE_LINE_FORWARD:
|
|
bv->lockedInsetStoreUndo(Undo::DELETE);
|
|
mathcursor->DelLine();
|
|
UpdateLocal(bv);
|
|
break;
|
|
case LFUN_BREAKLINE:
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
mathcursor->Insert(' ', LM_TC_CR);
|
|
par = mathcursor->GetPar();
|
|
UpdateLocal(bv);
|
|
break;
|
|
case LFUN_TAB:
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
mathcursor->Insert(0, LM_TC_TAB);
|
|
//UpdateInset(this);
|
|
break;
|
|
case LFUN_TABINSERT:
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
mathcursor->Insert('T', LM_TC_TAB);
|
|
UpdateLocal(bv);
|
|
break;
|
|
case LFUN_BACKSPACE:
|
|
if (!mathcursor->Left())
|
|
break;
|
|
|
|
if (!mathcursor->InMacroMode() && mathcursor->pullArg()) {
|
|
bv->updateInset(this, true);
|
|
break;
|
|
}
|
|
|
|
case LFUN_DELETE:
|
|
bv->lockedInsetStoreUndo(Undo::DELETE);
|
|
mathcursor->Delete();
|
|
bv->updateInset(this, true);
|
|
break;
|
|
// case LFUN_GETXY:
|
|
// sprintf(dispatch_buffer, "%d %d",);
|
|
// dispatch_result = dispatch_buffer;
|
|
// break;
|
|
case LFUN_SETXY:
|
|
{
|
|
int x;
|
|
int y;
|
|
int x1;
|
|
int y1;
|
|
istringstream ist(arg.c_str());
|
|
ist >> x >> y;
|
|
par->GetXY(x1, y1);
|
|
mathcursor->SetPos(x1 + x, y1 + y);
|
|
}
|
|
break;
|
|
|
|
/* cursor selection ---------------------------- */
|
|
|
|
case LFUN_PASTE:
|
|
if (was_macro)
|
|
mathcursor->MacroModeClose();
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
mathcursor->SelPaste(); UpdateLocal(bv); break;
|
|
case LFUN_CUT:
|
|
bv->lockedInsetStoreUndo(Undo::DELETE);
|
|
mathcursor->SelCut(); UpdateLocal(bv); break;
|
|
case LFUN_COPY: mathcursor->SelCopy(); break;
|
|
case LFUN_HOMESEL:
|
|
case LFUN_ENDSEL:
|
|
case LFUN_WORDRIGHTSEL:
|
|
case LFUN_WORDLEFTSEL:
|
|
break;
|
|
|
|
// --- accented characters ------------------------------
|
|
|
|
case LFUN_UMLAUT: mathcursor->setAccent(LM_ddot); break;
|
|
case LFUN_CIRCUMFLEX: mathcursor->setAccent(LM_hat); break;
|
|
case LFUN_GRAVE: mathcursor->setAccent(LM_grave); break;
|
|
case LFUN_ACUTE: mathcursor->setAccent(LM_acute); break;
|
|
case LFUN_TILDE: mathcursor->setAccent(LM_tilde); break;
|
|
case LFUN_MACRON: mathcursor->setAccent(LM_bar); break;
|
|
case LFUN_DOT: mathcursor->setAccent(LM_dot); break;
|
|
case LFUN_CARON: mathcursor->setAccent(LM_check); break;
|
|
case LFUN_BREVE: mathcursor->setAccent(LM_breve); break;
|
|
case LFUN_VECTOR: mathcursor->setAccent(LM_vec); break;
|
|
|
|
// Greek mode
|
|
case LFUN_GREEK:
|
|
{
|
|
if (!greek_kb_flag) {
|
|
greek_kb_flag = 1;
|
|
bv->owner()->getMiniBuffer()->Set(_("Math greek mode on"));
|
|
} else
|
|
greek_kb_flag = 0;
|
|
break;
|
|
}
|
|
|
|
// Greek keyboard
|
|
case LFUN_GREEK_TOGGLE:
|
|
{
|
|
greek_kb_flag = (greek_kb_flag) ? 0 : 2;
|
|
if (greek_kb_flag)
|
|
bv->owner()->getMiniBuffer()->Set(_("Math greek keyboard on"));
|
|
else
|
|
bv->owner()->getMiniBuffer()->Set(_("Math greek keyboard off"));
|
|
break;
|
|
}
|
|
|
|
// Math fonts
|
|
case LFUN_BOLD: mathcursor->setLastCode(LM_TC_BF); break;
|
|
case LFUN_SANS: mathcursor->setLastCode( LM_TC_SF); break;
|
|
case LFUN_EMPH: mathcursor->setLastCode(LM_TC_CAL); break;
|
|
case LFUN_ROMAN: mathcursor->setLastCode(LM_TC_RM); break;
|
|
case LFUN_CODE: mathcursor->setLastCode(LM_TC_TT); break;
|
|
case LFUN_DEFAULT: mathcursor->setLastCode(LM_TC_VAR ) ; break;
|
|
case LFUN_TEX:
|
|
{
|
|
// varcode = LM_TC_TEX;
|
|
mathcursor->setLastCode(LM_TC_TEX);
|
|
bv->owner()->getMiniBuffer()->Set(_("TeX mode"));
|
|
break;
|
|
}
|
|
|
|
case LFUN_MATH_NUMBER:
|
|
{
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
if (disp_flag) {
|
|
short type = par->GetType();
|
|
bool oldf = (type == LM_OT_PARN || type == LM_OT_MPARN);
|
|
if (oldf) {
|
|
--type;
|
|
if (!label.empty()) {
|
|
label.erase();
|
|
}
|
|
bv->owner()->getMiniBuffer()->Set(_("No number"));
|
|
} else {
|
|
++type;
|
|
bv->owner()->getMiniBuffer()->Set(_("Number"));
|
|
}
|
|
par->SetType(type);
|
|
UpdateLocal(bv);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case LFUN_MATH_NONUMBER:
|
|
{
|
|
if (par->GetType() == LM_OT_MPARN) {
|
|
// MathMatrixInset *mt = (MathMatrixInset*)par;
|
|
//BUG
|
|
// mt->SetNumbered(!mt->IsNumbered());
|
|
|
|
mathcursor->setNumbered();
|
|
UpdateLocal(bv);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case LFUN_MATH_LIMITS:
|
|
{
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
if (mathcursor->Limits())
|
|
UpdateLocal(bv);
|
|
}
|
|
|
|
case LFUN_MATH_SIZE:
|
|
if (!arg.empty()) {
|
|
latexkeys * l = in_word_set (arg);
|
|
int sz = (l) ? l->id: -1;
|
|
mathcursor->SetSize(sz);
|
|
UpdateLocal(bv);
|
|
break;
|
|
}
|
|
|
|
case LFUN_INSERT_MATH:
|
|
{
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
InsertSymbol(bv, arg);
|
|
break;
|
|
}
|
|
|
|
case LFUN_INSERT_MATRIX:
|
|
{
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
int k, m, n;
|
|
char s[80], arg2[80];
|
|
// This is just so that too long args won't ooze out of s.
|
|
strncpy(arg2, arg.c_str(), 80); arg2[79]= '\0';
|
|
k = sscanf(arg2, "%d %d %s", &m, &n, s);
|
|
s[79] = '\0';
|
|
|
|
if (k < 1) {
|
|
m = n = 1;
|
|
} else if (k == 1) {
|
|
n = 1;
|
|
}
|
|
|
|
MathMatrixInset * p = new MathMatrixInset(m, n);
|
|
if (mathcursor && p) {
|
|
if (k > 2 && int(strlen(s)) > m)
|
|
p->SetAlign(s[0], &s[1]);
|
|
mathcursor->Insert(p, LM_TC_ACTIVE_INSET);
|
|
UpdateLocal(bv);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case LFUN_MATH_DELIM:
|
|
{
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
char lf[40], rg[40], arg2[40];
|
|
int ilf = '(', irg = '.';
|
|
latexkeys * l;
|
|
string vdelim("(){}[]./|");
|
|
|
|
if (arg.empty())
|
|
break;
|
|
::strncpy(arg2, arg.c_str(), 40); arg2[39]= '\0';
|
|
int n = sscanf(arg2, "%s %s", lf, rg);
|
|
lf[39] = '\0'; rg[39] = '\0';
|
|
|
|
if (n > 0) {
|
|
if (isdigit(lf[0]))
|
|
ilf = lyx::atoi(lf);
|
|
else
|
|
if (lf[1]) {
|
|
l = in_word_set(lf, strlen(lf));
|
|
// Long words will cause l == 0; so check.
|
|
if (l) ilf = l->id;
|
|
} else
|
|
if (vdelim.find(lf[0]) != string::npos)
|
|
ilf = lf[0];
|
|
|
|
if (n > 1) {
|
|
if (isdigit(rg[0]))
|
|
irg = lyx::atoi(rg);
|
|
else
|
|
if (rg[1]) {
|
|
l = in_word_set(rg, strlen(rg));
|
|
if (l) irg = l->id;
|
|
} else
|
|
if (vdelim.find(rg[0]) != string::npos)
|
|
irg = rg[0];
|
|
}
|
|
}
|
|
|
|
MathDelimInset * p = new MathDelimInset(ilf, irg);
|
|
mathcursor->Insert(p, LM_TC_ACTIVE_INSET);
|
|
UpdateLocal(bv);
|
|
break;
|
|
}
|
|
|
|
case LFUN_PROTECTEDSPACE:
|
|
{
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
sp = new MathSpaceInset(1);
|
|
mathcursor->Insert(sp);
|
|
space_on = true;
|
|
UpdateLocal(bv);
|
|
break;
|
|
}
|
|
|
|
case LFUN_INSERT_LABEL:
|
|
{
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
if (par->GetType() < LM_OT_PAR) break;
|
|
string lb = arg;
|
|
if (lb.empty()) {
|
|
pair<bool, string>
|
|
res = askForText(_("Enter new label to insert:"));
|
|
if (res.first) {
|
|
lb = res.second;
|
|
}
|
|
}
|
|
if (!lb.empty() && lb[0] > ' ') {
|
|
SetNumber(true);
|
|
if (par->GetType() == LM_OT_MPARN) {
|
|
mathcursor->setLabel(lb);
|
|
// MathMatrixInset *mt = (MathMatrixInset*)par;
|
|
// mt->SetLabel(lb);
|
|
} else {
|
|
//if (label.notEmpty()) delete label;
|
|
label = lb;
|
|
}
|
|
UpdateLocal(bv);
|
|
} else
|
|
label.erase();
|
|
break;
|
|
}
|
|
|
|
case LFUN_MATH_DISPLAY:
|
|
bv->lockedInsetStoreUndo(Undo::EDIT);
|
|
display(!disp_flag);
|
|
UpdateLocal(bv);
|
|
break;
|
|
|
|
// Invalid actions under math mode
|
|
case LFUN_MATH_MODE:
|
|
{
|
|
if (mathcursor->getLastCode()!= LM_TC_TEXTRM) {
|
|
bv->owner()->getMiniBuffer()->Set(_("math text mode"));
|
|
varcode = LM_TC_TEXTRM;
|
|
} else {
|
|
varcode = LM_TC_VAR;
|
|
}
|
|
mathcursor->setLastCode(varcode);
|
|
break;
|
|
}
|
|
case LFUN_UNDO:
|
|
bv->owner()->getMiniBuffer()->Set(_("Invalid action in math mode!"));
|
|
break;
|
|
|
|
//------- dummy actions
|
|
case LFUN_EXEC_COMMAND:
|
|
bv->owner()->getMiniBuffer()->PrepareForCommand();
|
|
break;
|
|
|
|
default:
|
|
if ((action == -1 || action == LFUN_SELFINSERT) && !arg.empty()) {
|
|
unsigned char c = arg[0];
|
|
bv->lockedInsetStoreUndo(Undo::INSERT);
|
|
|
|
if (c == ' ' && mathcursor->getAccent() == LM_hat) {
|
|
c = '^';
|
|
mathcursor->setAccent(0);
|
|
}
|
|
if (c == 0) { // Dead key, do nothing
|
|
//lyxerr << "deadkey" << endl;
|
|
break;
|
|
}
|
|
if (isalpha(c)) {
|
|
if (mathcursor->getLastCode() == LM_TC_TEX) {
|
|
mathcursor->MacroModeOpen();
|
|
mathcursor->clearLastCode();
|
|
varcode = LM_TC_MIN;
|
|
} else
|
|
if (!varcode) {
|
|
short f = (mathcursor->getLastCode()) ?
|
|
mathcursor->getLastCode() :
|
|
static_cast<MathedTextCodes>(mathcursor->GetFCode());
|
|
varcode = MathIsAlphaFont(f) ?
|
|
static_cast<MathedTextCodes>(f) :
|
|
LM_TC_VAR;
|
|
}
|
|
|
|
// lyxerr << "Varcode << vardoce;
|
|
MathedTextCodes char_code = varcode;
|
|
if (greek_kb_flag) {
|
|
char greek[26] =
|
|
{'A', 'B', 'X', 0 , 'E', 0 , 0 , 'H', 'I', 0 ,
|
|
'K', 0 , 'M', 'N', 'O', 0 , 0 , 'P', 0 , 'T',
|
|
'Y', 0, 0, 0, 0 , 'Z' };
|
|
if ('A' <= c && c <= 'Z' && greek[c - 'A']) {
|
|
char_code = LM_TC_RM;
|
|
c = greek[c - 'A'];
|
|
} else
|
|
char_code = LM_TC_SYMB;
|
|
}
|
|
mathcursor->Insert(c, char_code);
|
|
if (greek_kb_flag && char_code == LM_TC_RM )
|
|
mathcursor->setLastCode(LM_TC_VAR);
|
|
varcode = LM_TC_MIN;
|
|
if (greek_kb_flag<2) greek_kb_flag = 0;
|
|
} else
|
|
if (strchr("!,:;{}", c) && (varcode == LM_TC_TEX||was_macro)) {
|
|
mathcursor->Insert(c, LM_TC_TEX);
|
|
if (c == '{') {
|
|
mathcursor->Insert('}', LM_TC_TEX);
|
|
mathcursor->Left();
|
|
}
|
|
mathcursor->clearLastCode();
|
|
// varcode = LM_TC_MIN;
|
|
} else
|
|
if (c == '_' && varcode == LM_TC_TEX) {
|
|
mathcursor->Insert(c, LM_TC_SPECIAL);
|
|
mathcursor->clearLastCode();
|
|
// varcode = LM_TC_MIN;
|
|
} else
|
|
if (('0'<= c && c<= '9') && (varcode == LM_TC_TEX||was_macro)) {
|
|
mathcursor->MacroModeOpen();
|
|
mathcursor->clearLastCode();
|
|
mathcursor->Insert(c, LM_TC_MIN);
|
|
}
|
|
else
|
|
if (('0'<= c && c<= '9') || strchr(";:!|[]().,?", c))
|
|
mathcursor->Insert(c, LM_TC_CONST);
|
|
else
|
|
if (strchr("+/-*<>=", c))
|
|
mathcursor->Insert(c, LM_TC_BOP);
|
|
else
|
|
if (strchr(latex_special_chars, c) && c!= '_')
|
|
mathcursor->Insert(c, LM_TC_SPECIAL);
|
|
else
|
|
if (c == '_' || c == '^') {
|
|
char s[2];
|
|
s[0] = c;
|
|
s[1] = 0;
|
|
mathcursor->Interpret (s);
|
|
} else
|
|
if (c == ' ') {
|
|
if (!varcode) {
|
|
short f = (mathcursor->getLastCode()) ?
|
|
mathcursor->getLastCode() :
|
|
static_cast<MathedTextCodes>(mathcursor->GetFCode());
|
|
varcode = MathIsAlphaFont(f) ?
|
|
static_cast<MathedTextCodes>(f) :
|
|
LM_TC_VAR;
|
|
}
|
|
if (varcode == LM_TC_TEXTRM) {
|
|
mathcursor->Insert(c, LM_TC_TEXTRM);
|
|
} else
|
|
if (was_macro)
|
|
mathcursor->MacroModeClose();
|
|
else
|
|
if (sp) {
|
|
int isp = (sp->GetSpace()<5) ? sp->GetSpace()+1: 0;
|
|
sp->SetSpace(isp);
|
|
space_on = true;
|
|
} else {
|
|
if (!mathcursor->Pop() && mathcursor->IsEnd())
|
|
result = FINISHED;
|
|
}
|
|
} else
|
|
if (c == '\'' || c == '@') {
|
|
mathcursor->Insert (c, LM_TC_VAR);
|
|
} else
|
|
if (c == '\\') {
|
|
if (was_macro)
|
|
mathcursor->MacroModeClose();
|
|
bv->owner()->getMiniBuffer()->Set(_("TeX mode"));
|
|
mathcursor->setLastCode(LM_TC_TEX);
|
|
}
|
|
UpdateLocal(bv);
|
|
} else {
|
|
// lyxerr << "Closed by action " << action << endl;
|
|
result = FINISHED;
|
|
}
|
|
}
|
|
if (was_macro != mathcursor->InMacroMode()
|
|
&& action >= 0
|
|
&& action != LFUN_BACKSPACE)
|
|
UpdateLocal(bv);
|
|
if (sp && !space_on) sp = 0;
|
|
if (mathcursor->Selection() || was_selection)
|
|
ToggleInsetSelection(bv);
|
|
|
|
if ((result == DISPATCHED) || (result == DISPATCHED_NOUPDATE))
|
|
ShowInsetCursor(bv);
|
|
else
|
|
bv->unlockInset(this);
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
void
|
|
MathFuncInset::draw(Painter & pain, int x, int y)
|
|
{
|
|
if (!name.empty() && name[0] > ' ') {
|
|
LyXFont font = WhichFont(LM_TC_TEXTRM, size);
|
|
font.setLatex(LyXFont::ON);
|
|
x += (lyxfont::width('I', font) + 3) / 4;
|
|
pain.text(x, y, name, font);
|
|
}
|
|
}
|
|
|
|
|
|
void MathFuncInset::Metrics()
|
|
{
|
|
//ln = (name) ? strlen(name): 0;
|
|
LyXFont font = WhichFont(LM_TC_TEXTRM, size);
|
|
font.setLatex(LyXFont::ON);
|
|
if (name.empty()) {
|
|
width = df_width;
|
|
descent = df_des;
|
|
ascent = df_asc;
|
|
} else {
|
|
width = lyxfont::width(name, font)
|
|
+ lyxfont::width('I', font) / 2;
|
|
mathed_string_height(LM_TC_TEXTRM, size, name, ascent, descent);
|
|
}
|
|
}
|
|
|
|
|
|
static
|
|
void mathedValidate(LaTeXFeatures & features, MathParInset * par)
|
|
{
|
|
MathedIter it(par->GetData());
|
|
|
|
while (it.OK() && !(features.binom && features.boldsymbol)) {
|
|
if (it.IsInset()) {
|
|
if (it.IsActive()) {
|
|
MathParInset * p = it.GetActiveInset();
|
|
if (!features.binom && p->GetType() == LM_OT_MACRO &&
|
|
p->GetName() == "binom") {
|
|
features.binom = true;
|
|
} else {
|
|
for (int i = 0; i <= p->getMaxArgumentIdx(); ++i) {
|
|
p->setArgumentIdx(i);
|
|
mathedValidate(features, p);
|
|
}
|
|
}
|
|
} else {
|
|
MathedInset* p = it.GetInset();
|
|
if (!features.boldsymbol &&
|
|
p->GetName() == "boldsymbol") {
|
|
features.boldsymbol = true;
|
|
}
|
|
}
|
|
}
|
|
it.Next();
|
|
}
|
|
}
|