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https://git.lyx.org/repos/lyx.git
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cfdd73ea94
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@550 a592a061-630c-0410-9148-cb99ea01b6c8
623 lines
13 KiB
C
623 lines
13 KiB
C
// -*- C++ -*-
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/*
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* File: math_macro.C
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* Purpose: Implementation of macro class for mathed
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* Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
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* Created: November 1996
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* Description: WYSIWYG math macros
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*
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* Dependencies: Mathed
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*
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* Copyright: (c) 1996, 1997 Alejandro Aguilar Sierra
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*
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* Version: 0.2, Mathed & Lyx project.
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*
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* This code is under 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 FORMS_H_LOCATION
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#ifdef __GNUG__
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#pragma implementation "math_macro.h"
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#pragma implementation "math_defs.h"
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#endif
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#include "LString.h"
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#include "math_macro.h"
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#include "math_iter.h"
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#include "math_inset.h"
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#include "support/lstrings.h"
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#include "debug.h"
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ostream & operator<<(ostream & o, MathedTextCodes mtc)
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{
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return o << int(mtc);
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}
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enum MathedMacroFlag {
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MMF_Env= 1,
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MMF_Exp= 2,
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MMF_Edit= 4
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};
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ostream & operator<<(ostream & o, MathedMacroFlag mmf)
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{
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return o << int(mmf);
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}
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extern GC mathGC, mathFrameGC, latexGC;
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extern int mathed_string_width(short type, int style, byte const* s, int ls);
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extern int mathed_string_height(short, int, byte const*, int, int&, int&);
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MathMacro::MathMacro(MathMacroTemplate* t):
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MathParInset(LM_ST_TEXT, "", LM_OT_MACRO), tmplate(t)
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{
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nargs = tmplate->getNoArgs();
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tcode = tmplate->getTCode();
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args = new MacroArgumentBase[nargs];
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for (int i = 0; i < nargs; ++i) {
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// if (tmplate->getMacroPar(i)->Permit(LMPF_ALLOW_CR))
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// args[i].row = new MathedRowSt(tmplate->getMacroPar(i)->GetColumns());
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// else
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args[i].row = 0;
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/* int k = tmplate->getMacroPar(i)->GetColumns();
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if (k>0) {
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args[i].array = new LyxArrayBase;
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for (int j= 0; j<k-1; ++j) args[i].array->Insert(j, LM_TC_TAB);
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}*/
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}
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idx = 0;
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SetName(tmplate->GetName());
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}
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MathMacro::MathMacro(MathMacro * m):
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MathParInset(LM_ST_TEXT, m->GetName(), LM_OT_MACRO)
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{
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tmplate = m->tmplate;
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nargs = tmplate->getNoArgs();
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tcode = tmplate->getTCode();
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args = new MacroArgumentBase[nargs];
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idx = 0;
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SetName(tmplate->GetName());
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for (int i = 0; i < tmplate->nargs; ++i) {
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m->setArgumentIdx(i);
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MathedIter it(m->GetData());
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args[i].row = m->args[i].row;
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args[i].array = it.Copy();
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}
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}
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MathMacro::~MathMacro()
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{
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for (idx = 0; idx < nargs; ++idx) {
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MathedIter it(args[idx].array);
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it. Clear();
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delete args[idx].row;
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}
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delete[] args;
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}
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MathedInset * MathMacro::Clone()
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{
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return new MathMacro(this);
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}
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void MathMacro::Metrics()
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{
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if (nargs > 0)
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tmplate->update(this);
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tmplate->Metrics();
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width = tmplate->Width();
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ascent = tmplate->Ascent();
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descent = tmplate->Descent();
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}
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#ifdef USE_PAINTER
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void MathMacro::draw(Painter & pain, int x, int y)
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{
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xo = x; yo = y;
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Metrics();
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tmplate->update(this);
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tmplate->SetStyle(size);
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mathGC = latexGC;
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tmplate->draw(pain, x, y);
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for (int i = 0; i < nargs; ++i)
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tmplate->GetMacroXY(i, args[i].x, args[i].y);
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}
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#else
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void MathMacro::Draw(int x, int y)
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{
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xo = x; yo = y;
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Metrics();
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tmplate->update(this);
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tmplate->SetStyle(size);
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mathGC = latexGC;
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tmplate->Draw(x, y);
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for (int i = 0; i < nargs; ++i)
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tmplate->GetMacroXY(i, args[i].x, args[i].y);
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}
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#endif
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int MathMacro::GetColumns()
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{
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return tmplate->getMacroPar(idx)->GetColumns();
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}
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void MathMacro::GetXY(int & x, int & y) const
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{
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x = args[idx].x; y = args[idx].y;
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}
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bool MathMacro::Permit(short f)
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{
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return (nargs > 0) ?
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tmplate->getMacroPar(idx)->Permit(f) : MathParInset::Permit(f);
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}
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void MathMacro::SetFocus(int x, int y)
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{
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tmplate->update(this);
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tmplate->SetMacroFocus(idx, x, y);
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}
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void MathMacro::Write(ostream & os)
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{
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string output;
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MathMacro::Write(output);
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os << output;
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}
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void MathMacro::Write(string &file)
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{
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if (tmplate->flags & MMF_Exp) {
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lyxerr[Debug::MATHED] << "Expand " << tmplate->flags
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<< ' ' << MMF_Exp << endl;
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tmplate->update(this);
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tmplate->Write(file);
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} else {
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if (tmplate->flags & MMF_Env) {
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file += "\\begin{";
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file += name;
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file += "} ";
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} else {
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file += '\\';
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file += name;
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}
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// if (options) {
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// file += '[';
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// file += options;
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// file += ']';
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// }
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if (!(tmplate->flags & MMF_Env) && nargs > 0)
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file += '{';
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for (int i = 0; i < nargs; ++i) {
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array = args[i].array;
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MathParInset::Write(file);
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if (i < nargs - 1)
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file += "}{";
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}
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if (tmplate->flags & MMF_Env) {
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file += "\\end{";
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file += name;
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file += '}';
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} else {
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if (nargs > 0)
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file += '}';
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else
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file += ' ';
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}
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}
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}
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/*--------------- Macro argument -----------------------------------*/
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MathMacroArgument::MathMacroArgument(int n)
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{
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number = n;
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expnd_mode = false;
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SetType(LM_OT_MACRO_ARG);
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}
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#ifdef USE_PAINTER
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void MathMacroArgument::draw(Painter & pain, int x, int baseline)
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{
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if (expnd_mode) {
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MathParInset::draw(pain, x, baseline);
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} else {
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unsigned char s[3];
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sprintf(reinterpret_cast<char*>(s), "#%d", number);
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drawStr(pain, LM_TC_TEX, size, x, baseline, &s[0], 2);
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}
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}
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#else
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void MathMacroArgument::Draw(int x, int baseline)
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{
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if (expnd_mode) {
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MathParInset::Draw(x, baseline);
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} else {
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unsigned char s[3];
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sprintf(reinterpret_cast<char*>(s), "#%d", number);
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drawStr(LM_TC_TEX, size, x, baseline, &s[0], 2);
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}
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}
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#endif
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void MathMacroArgument::Metrics()
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{
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if (expnd_mode) {
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MathParInset::Metrics();
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} else {
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unsigned char s[3];
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sprintf(reinterpret_cast<char*>(s), "#%d", number);
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width = mathed_string_width(LM_TC_TEX, size, &s[0], 2);
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mathed_string_height(LM_TC_TEX, size, &s[0], 2, ascent, descent);
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}
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}
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void MathMacroArgument::Write(ostream & os)
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{
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string output;
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MathMacroArgument::Write(output);
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os << output;
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}
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void MathMacroArgument::Write(string & file)
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{
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if (expnd_mode) {
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MathParInset::Write(file);
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} else {
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file += '#';
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file += tostr(number);
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file += ' ';
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}
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}
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/* --------------------- MathMacroTemplate ---------------------------*/
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MathMacroTemplate::MathMacroTemplate(char const * nm, int na, int flg):
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MathParInset(LM_ST_TEXT, nm, LM_OT_MACRO),
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flags(flg), nargs(na)
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{
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if (nargs > 0) {
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tcode = LM_TC_ACTIVE_INSET;
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args = new MathMacroArgument[nargs];
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for (int i = 0; i < nargs; ++i) {
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args[i].setNumber(i + 1);
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}
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} else
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tcode = LM_TC_INSET;
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}
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MathMacroTemplate::~MathMacroTemplate()
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{
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// prevent to delete already deleted objects
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for (int i = 0; i < nargs; ++i) {
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args[i].SetData(0);
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}
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delete[] args;
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}
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void MathMacroTemplate::setEditMode(bool ed)
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{
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if (ed) {
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flags |= MMF_Edit;
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(false);
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}
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} else {
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flags &= ~MMF_Edit;
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(true);
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}
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}
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}
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#ifdef USE_PAINTER
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void MathMacroTemplate::draw(Painter & pain, int x, int y)
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{
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int x2, y2;
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bool expnd = (nargs > 0) ? args[0].getExpand(): false;
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if (flags & MMF_Edit) {
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(false);
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}
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x2 = x; y2 = y;
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} else {
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(true);
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}
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x2 = xo; y2 = yo;
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}
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MathParInset::draw(pain, x, y);
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xo = x2; yo = y2;
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(expnd);
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}
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}
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#else
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void MathMacroTemplate::Draw(int x, int y)
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{
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int x2, y2;
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bool expnd = (nargs>0) ? args[0].getExpand(): false;
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if (flags & MMF_Edit) {
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(false);
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}
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x2 = x; y2 = y;
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} else {
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(true);
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}
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x2 = xo; y2 = yo;
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}
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MathParInset::Draw(x, y);
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xo = x2; yo = y2;
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(expnd);
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}
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}
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#endif
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void MathMacroTemplate::Metrics()
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{
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bool expnd = (nargs>0) ? args[0].getExpand(): false;
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if (flags & MMF_Edit) {
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(false);
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}
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} else {
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(true);
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}
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}
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MathParInset::Metrics();
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(expnd);
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}
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}
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void MathMacroTemplate::update(MathMacro * macro)
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{
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int idx = (macro) ? macro->getArgumentIdx(): 0;
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for (int i = 0; i < nargs; ++i) {
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if (macro) {
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macro->setArgumentIdx(i);
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args[i].SetData(macro->GetData());
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MathedRowSt *row = macro->getRowSt();
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args[i].setRowSt(row);
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}
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}
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if (macro)
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macro->setArgumentIdx(idx);
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}
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void MathMacroTemplate::WriteDef(ostream & os)
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{
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os << "\n\\newcommand{\\" << name << "}";
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if (nargs > 0 )
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os << "[" << nargs << "]";
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os << "{";
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(false);
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}
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Write(os);
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os << "}\n";
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}
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void MathMacroTemplate::WriteDef(string &file)
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{
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file += "\n\\newcommand{\\";
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file += name;
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file += '}';
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if (nargs > 0 ) {
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file += '[';
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file += tostr(nargs);
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file += ']';
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}
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file += '{';
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for (int i = 0; i < nargs; ++i) {
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args[i].setExpand(false);
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}
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Write(file);
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file += "}\n";
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}
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void MathMacroTemplate::setArgument(LyxArrayBase * a, int i)
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{
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args[i].SetData(a);
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}
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void MathMacroTemplate::GetMacroXY(int i, int & x, int & y) const
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{
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args[i].GetXY(x, y);
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}
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MathParInset * MathMacroTemplate::getMacroPar(int i) const
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{
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return (i >= 0 && i < nargs) ? static_cast<MathParInset*>(&args[i]) : 0;
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}
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void MathMacroTemplate::SetMacroFocus(int &idx, int x, int y)
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{
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for (int i = 0; i < nargs; ++i) {
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if (args[i].Inside(x, y)) {
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idx = i;
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break;
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}
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}
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}
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/* -------------------------- MathMacroTable -----------------------*/
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MathMacroTable::MathMacroTable(int n): max_macros(n)
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{
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macro_table = new MathMacroTemplateP[max_macros];
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num_macros = 0;
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}
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MathMacroTable::~MathMacroTable()
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{
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delete[] macro_table;
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}
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// The search is currently linear but will be binary or hash, later.
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MathMacroTemplate * MathMacroTable::getTemplate(char const * name) const
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{
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for (int i = 0; i < num_macros; ++i) {
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if (strcmp(name, macro_table[i]->GetName()) == 0)
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return macro_table[i];
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}
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return 0;
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}
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void MathMacroTable::addTemplate(MathMacroTemplate * m)
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{
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if (num_macros < max_macros)
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macro_table[num_macros++] = m;
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else
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lyxerr << "Error (MathMacroTable::addTemplate): "
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"Macro table exhausted!" << endl;
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}
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// All this stuff aparently leaks because it's created here and is not
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// deleted never, but it have to live all the LyX sesion. OK, would not
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// so hard to do it in the MacroTable destructor, but this doesn't harm
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// seriously, so don't bother me with purify results here. ;-)
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void MathMacroTable::builtinMacros()
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{
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MathedIter iter;
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MathParInset * inset;// *arg;
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LyxArrayBase * array2;
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built = true;
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lyxerr[Debug::MATHED] << "Building macros" << endl;
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// This macro doesn't have arguments
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MathMacroTemplate * m = new MathMacroTemplate("notin"); // this leaks
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addTemplate(m);
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LyxArrayBase * array = new LyxArrayBase; // this leaks
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iter.SetData(array);
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iter.Insert(new MathAccentInset(LM_in, LM_TC_BOPS, LM_not)); // this leaks
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m->SetData(array);
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// These two are only while we are still with LyX 2.x
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m = new MathMacroTemplate("emptyset"); // this leaks
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addTemplate(m);
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array = new LyxArrayBase; // this leaks
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iter.SetData(array);
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iter.Insert(new MathAccentInset('O', LM_TC_RM, LM_not)); // this leaks
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m->SetData(array);
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m = new MathMacroTemplate("perp"); // this leaks
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addTemplate(m);
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array = new LyxArrayBase; // this leaks
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iter.SetData(array);
|
|
iter.Insert(LM_bot, LM_TC_BOP);
|
|
m->SetData(array);
|
|
|
|
// binom has two arguments
|
|
m = new MathMacroTemplate("binom", 2);
|
|
addTemplate(m);
|
|
array = new LyxArrayBase;
|
|
m->SetData(array);
|
|
iter.SetData(array);
|
|
inset = new MathDelimInset('(', ')');
|
|
iter.Insert(inset, LM_TC_ACTIVE_INSET);
|
|
array = new LyxArrayBase;
|
|
iter.SetData(array);
|
|
MathFracInset *frac = new MathFracInset(LM_OT_ATOP);
|
|
iter.Insert(frac, LM_TC_ACTIVE_INSET);
|
|
inset->SetData(array);
|
|
array = new LyxArrayBase;
|
|
array2 = new LyxArrayBase;
|
|
iter.SetData(array);
|
|
iter.Insert(m->getMacroPar(0));
|
|
iter.SetData(array2);
|
|
iter.Insert(m->getMacroPar(1));
|
|
frac->SetData(array, array2);
|
|
|
|
/*
|
|
// Cases has 1 argument
|
|
m = new MathMacroTemplate("cases", 1, MMF_Env); // this leaks
|
|
addTemplate(m);
|
|
array = new LyxArrayBase; // this leaks
|
|
iter.SetData(array);
|
|
arg = new MathMatrixInset(2, 1); // this leaks
|
|
|
|
m->setArgument(arg);
|
|
arg->SetAlign('c', "ll");
|
|
iter.Insert(arg, LM_TC_ACTIVE_INSET);
|
|
inset = new MathDelimInset('{', '.'); // this leaks
|
|
inset->SetData(array);
|
|
array = new LyxArrayBase; // this leaks
|
|
iter.SetData(array);
|
|
iter.Insert(inset, LM_TC_ACTIVE_INSET);
|
|
m->SetData(array);
|
|
|
|
|
|
// the environment substack has 1 argument
|
|
m = new MathMacroTemplate("substack", 1, MMF_Env); // this leaks
|
|
addTemplate(m);
|
|
arg = new MathMatrixInset(1, 1); // this leaks
|
|
m->setArgument(arg);
|
|
arg->SetType(LM_OT_MACRO);
|
|
array = new LyxArrayBase; // this leaks
|
|
iter.SetData(array);
|
|
iter.Insert(arg, LM_TC_ACTIVE_INSET);
|
|
m->SetData(array);*/
|
|
}
|
|
|
|
|
|
MathMacroTable MathMacroTable::mathMTable(255);
|
|
bool MathMacroTable::built = false;
|