4 * Purpose: Implementation of macro class for mathed
5 * Author: Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
6 * Created: November 1996
7 * Description: WYSIWYG math macros
11 * Copyright: 1996, 1997 Alejandro Aguilar Sierra
13 * Version: 0.2, Mathed & Lyx project.
15 * This code is under the GNU General Public Licence version 2 or later.
19 #include FORMS_H_LOCATION
22 #pragma implementation "math_macro.h"
23 #pragma implementation "math_defs.h"
27 #include "math_macro.h"
28 #include "math_iter.h"
29 #include "math_inset.h"
30 #include "support/lstrings.h"
34 ostream & operator<<(ostream & o, MathedTextCodes mtc)
39 enum MathedMacroFlag {
45 ostream & operator<<(ostream & o, MathedMacroFlag mmf)
50 extern int mathed_string_width(short type, int style, byte const* s, int ls);
51 extern int mathed_string_height(short, int, byte const*, int, int&, int&);
54 MathMacro::MathMacro(MathMacroTemplate* t):
55 MathParInset(LM_ST_TEXT, "", LM_OT_MACRO), tmplate(t)
57 nargs = tmplate->getNoArgs();
58 tcode = tmplate->getTCode();
59 args = new MacroArgumentBase[nargs];
60 for (int i = 0; i < nargs; ++i) {
61 // if (tmplate->getMacroPar(i)->Permit(LMPF_ALLOW_CR))
62 // args[i].row = new MathedRowSt(tmplate->getMacroPar(i)->GetColumns());
65 /* int k = tmplate->getMacroPar(i)->GetColumns();
67 args[i].array = new LyxArrayBase;
68 for (int j= 0; j<k-1; ++j) args[i].array->Insert(j, LM_TC_TAB);
72 SetName(tmplate->GetName());
76 MathMacro::MathMacro(MathMacro * m):
77 MathParInset(LM_ST_TEXT, m->GetName(), LM_OT_MACRO)
80 nargs = tmplate->getNoArgs();
81 tcode = tmplate->getTCode();
82 args = new MacroArgumentBase[nargs];
84 SetName(tmplate->GetName());
85 for (int i = 0; i < tmplate->nargs; ++i) {
87 MathedIter it(m->GetData());
88 args[i].row = m->args[i].row;
89 args[i].array = it.Copy();
93 MathMacro::~MathMacro()
95 for (idx = 0; idx < nargs; ++idx) {
96 MathedIter it(args[idx].array);
104 MathedInset * MathMacro::Clone()
106 return new MathMacro(this);
110 void MathMacro::Metrics()
113 tmplate->update(this);
115 width = tmplate->Width();
116 ascent = tmplate->Ascent();
117 descent = tmplate->Descent();
121 void MathMacro::draw(Painter & pain, int x, int y)
125 tmplate->update(this);
126 tmplate->SetStyle(size);
127 tmplate->draw(pain, x, y);
128 for (int i = 0; i < nargs; ++i)
129 tmplate->GetMacroXY(i, args[i].x, args[i].y);
133 int MathMacro::GetColumns()
135 return tmplate->getMacroPar(idx)->GetColumns();
139 void MathMacro::GetXY(int & x, int & y) const
141 x = args[idx].x; y = args[idx].y;
145 bool MathMacro::Permit(short f)
148 tmplate->getMacroPar(idx)->Permit(f) : MathParInset::Permit(f);
152 void MathMacro::SetFocus(int x, int y)
154 tmplate->update(this);
155 tmplate->SetMacroFocus(idx, x, y);
159 void MathMacro::Write(ostream & os)
161 if (tmplate->flags & MMF_Exp) {
162 lyxerr[Debug::MATHED] << "Expand " << tmplate->flags
163 << ' ' << MMF_Exp << endl;
164 tmplate->update(this);
167 if (tmplate->flags & MMF_Env) {
180 if (!(tmplate->flags & MMF_Env) && nargs > 0)
183 for (int i = 0; i < nargs; ++i) {
184 array = args[i].array;
185 MathParInset::Write(os);
189 if (tmplate->flags & MMF_Env) {
203 /*--------------- Macro argument -----------------------------------*/
205 MathMacroArgument::MathMacroArgument(int n)
209 SetType(LM_OT_MACRO_ARG);
213 void MathMacroArgument::draw(Painter & pain, int x, int baseline)
216 MathParInset::draw(pain, x, baseline);
220 ost << '#' << number;
221 drawStr(pain, LM_TC_TEX, size, x, baseline,
222 reinterpret_cast<byte const *>(ost.str().c_str()), 2);
225 ostrstream ost(s, 3);
226 ost << '#' << number << '\0';
227 drawStr(pain, LM_TC_TEX, size, x, baseline,
228 reinterpret_cast<byte *>(ost.str()), 2);
234 void MathMacroArgument::Metrics()
237 MathParInset::Metrics();
241 ost << '#' << number;
242 width = mathed_string_width(LM_TC_TEX, size,
243 reinterpret_cast<byte const *>(ost.str().c_str()), 2);
244 mathed_string_height(LM_TC_TEX, size,
245 reinterpret_cast<byte const *>(ost.str().c_str()),
249 ostrstream ost(s, 3);
250 ost << '#' << number << '\0';
251 width = mathed_string_width(LM_TC_TEX, size,
252 reinterpret_cast<byte *>
254 mathed_string_height(LM_TC_TEX, size,
255 reinterpret_cast<byte *>(ost.str()),
262 void MathMacroArgument::Write(ostream & os)
265 MathParInset::Write(os);
267 os << '#' << number << ' ';
272 /* --------------------- MathMacroTemplate ---------------------------*/
274 MathMacroTemplate::MathMacroTemplate(char const * nm, int na, int flg):
275 MathParInset(LM_ST_TEXT, nm, LM_OT_MACRO),
276 flags(flg), nargs(na)
279 tcode = LM_TC_ACTIVE_INSET;
280 args = new MathMacroArgument[nargs];
281 for (int i = 0; i < nargs; ++i) {
282 args[i].setNumber(i + 1);
289 MathMacroTemplate::~MathMacroTemplate()
291 // prevent to delete already deleted objects
292 for (int i = 0; i < nargs; ++i) {
299 void MathMacroTemplate::setEditMode(bool ed)
303 for (int i = 0; i < nargs; ++i) {
304 args[i].setExpand(false);
308 for (int i = 0; i < nargs; ++i) {
309 args[i].setExpand(true);
315 void MathMacroTemplate::draw(Painter & pain, int x, int y)
318 bool expnd = (nargs > 0) ? args[0].getExpand(): false;
319 if (flags & MMF_Edit) {
320 for (int i = 0; i < nargs; ++i) {
321 args[i].setExpand(false);
325 for (int i = 0; i < nargs; ++i) {
326 args[i].setExpand(true);
330 MathParInset::draw(pain, x, y);
333 for (int i = 0; i < nargs; ++i) {
334 args[i].setExpand(expnd);
339 void MathMacroTemplate::Metrics()
341 bool expnd = (nargs>0) ? args[0].getExpand(): false;
343 if (flags & MMF_Edit) {
344 for (int i = 0; i < nargs; ++i) {
345 args[i].setExpand(false);
348 for (int i = 0; i < nargs; ++i) {
349 args[i].setExpand(true);
352 MathParInset::Metrics();
354 for (int i = 0; i < nargs; ++i) {
355 args[i].setExpand(expnd);
360 void MathMacroTemplate::update(MathMacro * macro)
362 int idx = (macro) ? macro->getArgumentIdx(): 0;
363 for (int i = 0; i < nargs; ++i) {
365 macro->setArgumentIdx(i);
366 args[i].SetData(macro->GetData());
367 MathedRowSt *row = macro->getRowSt();
368 args[i].setRowSt(row);
372 macro->setArgumentIdx(idx);
376 void MathMacroTemplate::WriteDef(ostream & os)
378 os << "\n\\newcommand{\\" << name << "}";
381 os << "[" << nargs << "]";
385 for (int i = 0; i < nargs; ++i) {
386 args[i].setExpand(false);
393 void MathMacroTemplate::setArgument(LyxArrayBase * a, int i)
399 void MathMacroTemplate::GetMacroXY(int i, int & x, int & y) const
405 MathParInset * MathMacroTemplate::getMacroPar(int i) const
407 return (i >= 0 && i < nargs) ? static_cast<MathParInset*>(&args[i]) : 0;
411 void MathMacroTemplate::SetMacroFocus(int &idx, int x, int y)
413 for (int i = 0; i < nargs; ++i) {
414 if (args[i].Inside(x, y)) {
422 /* -------------------------- MathMacroTable -----------------------*/
424 MathMacroTable::MathMacroTable(int n) : max_macros(n)
426 macro_table = new MathMacroTemplateP[max_macros];
431 MathMacroTable::~MathMacroTable()
433 delete[] macro_table;
437 // The search is currently linear but will be binary or hash, later.
438 MathMacroTemplate * MathMacroTable::getTemplate(char const * name) const
440 for (int i = 0; i < num_macros; ++i) {
441 if (strcmp(name, macro_table[i]->GetName()) == 0)
442 return macro_table[i];
448 void MathMacroTable::addTemplate(MathMacroTemplate * m)
450 if (num_macros < max_macros)
451 macro_table[num_macros++] = m;
453 lyxerr << "Error (MathMacroTable::addTemplate): "
454 "Macro table exhausted!" << endl;
458 // All this stuff aparently leaks because it's created here and is not
459 // deleted never, but it have to live all the LyX sesion. OK, would not
460 // so hard to do it in the MacroTable destructor, but this doesn't harm
461 // seriously, so don't bother me with purify results here. ;-)
463 void MathMacroTable::builtinMacros()
466 MathParInset * inset;// *arg;
467 LyxArrayBase * array2;
471 lyxerr[Debug::MATHED] << "Building macros" << endl;
473 // This macro doesn't have arguments
474 MathMacroTemplate * m = new MathMacroTemplate("notin"); // this leaks
476 LyxArrayBase * array = new LyxArrayBase; // this leaks
478 iter.Insert(new MathAccentInset(LM_in, LM_TC_BOPS, LM_not)); // this leaks
481 // These two are only while we are still with LyX 2.x
482 m = new MathMacroTemplate("emptyset"); // this leaks
484 array = new LyxArrayBase; // this leaks
486 iter.Insert(new MathAccentInset('O', LM_TC_RM, LM_not)); // this leaks
489 m = new MathMacroTemplate("perp"); // this leaks
491 array = new LyxArrayBase; // this leaks
493 iter.Insert(LM_bot, LM_TC_BOP);
496 // binom has two arguments
497 m = new MathMacroTemplate("binom", 2);
499 array = new LyxArrayBase;
502 inset = new MathDelimInset('(', ')');
503 iter.Insert(inset, LM_TC_ACTIVE_INSET);
504 array = new LyxArrayBase;
506 MathFracInset *frac = new MathFracInset(LM_OT_ATOP);
507 iter.Insert(frac, LM_TC_ACTIVE_INSET);
508 inset->SetData(array);
509 array = new LyxArrayBase;
510 array2 = new LyxArrayBase;
512 iter.Insert(m->getMacroPar(0));
513 iter.SetData(array2);
514 iter.Insert(m->getMacroPar(1));
515 frac->SetData(array, array2);
518 // Cases has 1 argument
519 m = new MathMacroTemplate("cases", 1, MMF_Env); // this leaks
521 array = new LyxArrayBase; // this leaks
523 arg = new MathMatrixInset(2, 1); // this leaks
526 arg->SetAlign('c', "ll");
527 iter.Insert(arg, LM_TC_ACTIVE_INSET);
528 inset = new MathDelimInset('{', '.'); // this leaks
529 inset->SetData(array);
530 array = new LyxArrayBase; // this leaks
532 iter.Insert(inset, LM_TC_ACTIVE_INSET);
536 // the environment substack has 1 argument
537 m = new MathMacroTemplate("substack", 1, MMF_Env); // this leaks
539 arg = new MathMatrixInset(1, 1); // this leaks
541 arg->SetType(LM_OT_MACRO);
542 array = new LyxArrayBase; // this leaks
544 iter.Insert(arg, LM_TC_ACTIVE_INSET);
549 MathMacroTable MathMacroTable::mathMTable(255);
550 bool MathMacroTable::built = false;