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"
36 ostream & operator<<(ostream & o, MathedTextCodes mtc)
41 enum MathedMacroFlag {
47 ostream & operator<<(ostream & o, MathedMacroFlag mmf)
52 extern int mathed_string_width(short type, int style, byte const* s, int ls);
53 extern int mathed_string_height(short, int, byte const*, int, int&, int&);
56 MathMacro::MathMacro(MathMacroTemplate* t):
57 MathParInset(LM_ST_TEXT, "", LM_OT_MACRO), tmplate(t)
59 nargs = tmplate->getNoArgs();
60 tcode = tmplate->getTCode();
61 args = new MacroArgumentBase[nargs];
62 for (int i = 0; i < nargs; ++i) {
63 // if (tmplate->getMacroPar(i)->Permit(LMPF_ALLOW_CR))
64 // args[i].row = new MathedRowSt(tmplate->getMacroPar(i)->GetColumns());
67 /* int k = tmplate->getMacroPar(i)->GetColumns();
69 args[i].array = new LyxArrayBase;
70 for (int j= 0; j<k-1; ++j) args[i].array->Insert(j, LM_TC_TAB);
74 SetName(tmplate->GetName());
78 MathMacro::MathMacro(MathMacro * m):
79 MathParInset(LM_ST_TEXT, m->GetName(), LM_OT_MACRO)
82 nargs = tmplate->getNoArgs();
83 tcode = tmplate->getTCode();
84 args = new MacroArgumentBase[nargs];
86 SetName(tmplate->GetName());
87 for (int i = 0; i < tmplate->nargs; ++i) {
89 MathedIter it(m->GetData());
90 args[i].row = m->args[i].row;
91 args[i].array = it.Copy();
95 MathMacro::~MathMacro()
97 for (idx = 0; idx < nargs; ++idx) {
98 MathedIter it(args[idx].array);
100 delete args[idx].row;
106 MathedInset * MathMacro::Clone()
108 return new MathMacro(this);
112 void MathMacro::Metrics()
115 tmplate->update(this);
117 width = tmplate->Width();
118 ascent = tmplate->Ascent();
119 descent = tmplate->Descent();
123 void MathMacro::draw(Painter & pain, int x, int y)
127 tmplate->update(this);
128 tmplate->SetStyle(size);
129 tmplate->draw(pain, x, y);
130 for (int i = 0; i < nargs; ++i)
131 tmplate->GetMacroXY(i, args[i].x, args[i].y);
135 int MathMacro::GetColumns()
137 return tmplate->getMacroPar(idx)->GetColumns();
141 void MathMacro::GetXY(int & x, int & y) const
143 x = args[idx].x; y = args[idx].y;
147 bool MathMacro::Permit(short f)
150 tmplate->getMacroPar(idx)->Permit(f) : MathParInset::Permit(f);
154 void MathMacro::SetFocus(int x, int y)
156 tmplate->update(this);
157 tmplate->SetMacroFocus(idx, x, y);
161 void MathMacro::Write(ostream & os, bool fragile)
163 if (tmplate->flags & MMF_Exp) {
164 lyxerr[Debug::MATHED] << "Expand " << tmplate->flags
165 << ' ' << MMF_Exp << endl;
166 tmplate->update(this);
167 tmplate->Write(os, fragile);
169 if (tmplate->flags & MMF_Env) {
182 if (!(tmplate->flags & MMF_Env) && nargs > 0)
185 for (int i = 0; i < nargs; ++i) {
186 array = args[i].array;
187 MathParInset::Write(os, fragile);
191 if (tmplate->flags & MMF_Env) {
205 /*--------------- Macro argument -----------------------------------*/
207 MathMacroArgument::MathMacroArgument(int n)
211 SetType(LM_OT_MACRO_ARG);
215 void MathMacroArgument::draw(Painter & pain, int x, int baseline)
218 MathParInset::draw(pain, x, baseline);
221 std::ostringstream ost;
222 ost << '#' << number;
223 drawStr(pain, LM_TC_TEX, size, x, baseline,
224 reinterpret_cast<byte const *>(ost.str().c_str()), 2);
227 ostrstream ost(s, 3);
228 ost << '#' << number << '\0';
229 drawStr(pain, LM_TC_TEX, size, x, baseline,
230 reinterpret_cast<byte *>(ost.str()), 2);
236 void MathMacroArgument::Metrics()
239 MathParInset::Metrics();
242 std::ostringstream ost;
243 ost << '#' << number;
244 width = mathed_string_width(LM_TC_TEX, size,
245 reinterpret_cast<byte const *>(ost.str().c_str()), 2);
246 mathed_string_height(LM_TC_TEX, size,
247 reinterpret_cast<byte const *>(ost.str().c_str()),
251 ostrstream ost(s, 3);
252 ost << '#' << number << '\0';
253 width = mathed_string_width(LM_TC_TEX, size,
254 reinterpret_cast<byte *>
256 mathed_string_height(LM_TC_TEX, size,
257 reinterpret_cast<byte *>(ost.str()),
264 void MathMacroArgument::Write(ostream & os, bool fragile)
267 MathParInset::Write(os, fragile);
269 os << '#' << number << ' ';
274 /* --------------------- MathMacroTemplate ---------------------------*/
276 MathMacroTemplate::MathMacroTemplate(char const * nm, int na, int flg):
277 MathParInset(LM_ST_TEXT, nm, LM_OT_MACRO),
278 flags(flg), nargs(na)
281 tcode = LM_TC_ACTIVE_INSET;
282 args = new MathMacroArgument[nargs];
283 for (int i = 0; i < nargs; ++i) {
284 args[i].setNumber(i + 1);
291 MathMacroTemplate::~MathMacroTemplate()
293 // prevent to delete already deleted objects
294 for (int i = 0; i < nargs; ++i) {
301 void MathMacroTemplate::setEditMode(bool ed)
305 for (int i = 0; i < nargs; ++i) {
306 args[i].setExpand(false);
310 for (int i = 0; i < nargs; ++i) {
311 args[i].setExpand(true);
317 void MathMacroTemplate::draw(Painter & pain, int x, int y)
320 bool expnd = (nargs > 0) ? args[0].getExpand(): false;
321 if (flags & MMF_Edit) {
322 for (int i = 0; i < nargs; ++i) {
323 args[i].setExpand(false);
327 for (int i = 0; i < nargs; ++i) {
328 args[i].setExpand(true);
332 MathParInset::draw(pain, x, y);
335 for (int i = 0; i < nargs; ++i) {
336 args[i].setExpand(expnd);
341 void MathMacroTemplate::Metrics()
343 bool expnd = (nargs>0) ? args[0].getExpand(): false;
345 if (flags & MMF_Edit) {
346 for (int i = 0; i < nargs; ++i) {
347 args[i].setExpand(false);
350 for (int i = 0; i < nargs; ++i) {
351 args[i].setExpand(true);
354 MathParInset::Metrics();
356 for (int i = 0; i < nargs; ++i) {
357 args[i].setExpand(expnd);
362 void MathMacroTemplate::update(MathMacro * macro)
364 int idx = (macro) ? macro->getArgumentIdx(): 0;
365 for (int i = 0; i < nargs; ++i) {
367 macro->setArgumentIdx(i);
368 args[i].SetData(macro->GetData());
369 MathedRowSt *row = macro->getRowSt();
370 args[i].setRowSt(row);
374 macro->setArgumentIdx(idx);
378 void MathMacroTemplate::WriteDef(ostream & os, bool fragile)
380 os << "\n\\newcommand{\\" << name << "}";
383 os << "[" << nargs << "]";
387 for (int i = 0; i < nargs; ++i) {
388 args[i].setExpand(false);
395 void MathMacroTemplate::setArgument(LyxArrayBase * a, int i)
401 void MathMacroTemplate::GetMacroXY(int i, int & x, int & y) const
407 MathParInset * MathMacroTemplate::getMacroPar(int i) const
409 return (i >= 0 && i < nargs) ? static_cast<MathParInset*>(&args[i]) : 0;
413 void MathMacroTemplate::SetMacroFocus(int &idx, int x, int y)
415 for (int i = 0; i < nargs; ++i) {
416 if (args[i].Inside(x, y)) {
424 /* -------------------------- MathMacroTable -----------------------*/
426 MathMacroTable::MathMacroTable(int n) : max_macros(n)
428 macro_table = new MathMacroTemplateP[max_macros];
433 MathMacroTable::~MathMacroTable()
435 delete[] macro_table;
439 // The search is currently linear but will be binary or hash, later.
440 MathMacroTemplate * MathMacroTable::getTemplate(char const * name) const
442 for (int i = 0; i < num_macros; ++i) {
443 if (strcmp(name, macro_table[i]->GetName()) == 0)
444 return macro_table[i];
450 void MathMacroTable::addTemplate(MathMacroTemplate * m)
452 if (num_macros < max_macros)
453 macro_table[num_macros++] = m;
455 lyxerr << "Error (MathMacroTable::addTemplate): "
456 "Macro table exhausted!" << endl;
460 // All this stuff aparently leaks because it's created here and is not
461 // deleted never, but it have to live all the LyX sesion. OK, would not
462 // so hard to do it in the MacroTable destructor, but this doesn't harm
463 // seriously, so don't bother me with purify results here. ;-)
465 void MathMacroTable::builtinMacros()
468 MathParInset * inset;// *arg;
469 LyxArrayBase * array2;
473 lyxerr[Debug::MATHED] << "Building macros" << endl;
475 // This macro doesn't have arguments
476 MathMacroTemplate * m = new MathMacroTemplate("notin"); // this leaks
478 LyxArrayBase * array = new LyxArrayBase; // this leaks
480 iter.Insert(new MathAccentInset(LM_in, LM_TC_BOPS, LM_not)); // this leaks
483 // These two are only while we are still with LyX 2.x
484 m = new MathMacroTemplate("emptyset"); // this leaks
486 array = new LyxArrayBase; // this leaks
488 iter.Insert(new MathAccentInset('O', LM_TC_RM, LM_not)); // this leaks
491 m = new MathMacroTemplate("perp"); // this leaks
493 array = new LyxArrayBase; // this leaks
495 iter.Insert(LM_bot, LM_TC_BOP);
498 // binom has two arguments
499 m = new MathMacroTemplate("binom", 2);
501 array = new LyxArrayBase;
504 inset = new MathDelimInset('(', ')');
505 iter.Insert(inset, LM_TC_ACTIVE_INSET);
506 array = new LyxArrayBase;
508 MathFracInset *frac = new MathFracInset(LM_OT_ATOP);
509 iter.Insert(frac, LM_TC_ACTIVE_INSET);
510 inset->SetData(array);
511 array = new LyxArrayBase;
512 array2 = new LyxArrayBase;
514 iter.Insert(m->getMacroPar(0));
515 iter.SetData(array2);
516 iter.Insert(m->getMacroPar(1));
517 frac->SetData(array, array2);
520 // Cases has 1 argument
521 m = new MathMacroTemplate("cases", 1, MMF_Env); // this leaks
523 array = new LyxArrayBase; // this leaks
525 arg = new MathMatrixInset(2, 1); // this leaks
528 arg->SetAlign('c', "ll");
529 iter.Insert(arg, LM_TC_ACTIVE_INSET);
530 inset = new MathDelimInset('{', '.'); // this leaks
531 inset->SetData(array);
532 array = new LyxArrayBase; // this leaks
534 iter.Insert(inset, LM_TC_ACTIVE_INSET);
538 // the environment substack has 1 argument
539 m = new MathMacroTemplate("substack", 1, MMF_Env); // this leaks
541 arg = new MathMatrixInset(1, 1); // this leaks
543 arg->SetType(LM_OT_MACRO);
544 array = new LyxArrayBase; // this leaks
546 iter.Insert(arg, LM_TC_ACTIVE_INSET);
551 MathMacroTable MathMacroTable::mathMTable(255);
552 bool MathMacroTable::built = false;