src/insets/insetert.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *          Copyright 1998 The LyX Team.
   7  *
   8  *======================================================*/
   9
  10 #include <config.h>
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #endif
  15
  16 #include "insetert.h"
  17 #include "gettext.h"
  18 #include "lyxfont.h"
  19 #include "buffer.h"
  20 #include "insets/insettext.h"
  21 #include "support/LOstream.h"
  22 #include "lyx_gui_misc.h"
  23 #include "BufferView.h"
  24 #include "LyXView.h"
  25 #include "lyxtext.h"
  26 #include "frontends/Dialogs.h"
  27 #include "debug.h"
  28
  29 using std::ostream;
  30
  31 void InsetERT::init()
  32 {
  33         setButtonLabel();
  34         labelfont = LyXFont(LyXFont::ALL_SANE);
  35         labelfont.decSize();
  36         labelfont.decSize();
  37         labelfont.setColor(LColor::latex);
  38         setInsetName("ERT");
  39
  40 }
  41
  42
  43 InsetERT::InsetERT(bool collapsed)
  44         : InsetCollapsable(collapsed)
  45 {
  46         if (collapsed)
  47                 status_ = Collapsed;
  48         else
  49                 status_ = Open;
  50         init();
  51 }
  52
  53
  54 InsetERT::InsetERT(InsetERT const & in, bool same_id)
  55         : InsetCollapsable(in, same_id), status_(in.status_)
  56 {
  57         init();
  58 }
  59
  60
  61 Inset * InsetERT::clone(Buffer const &, bool same_id) const
  62 {
  63         return new InsetERT(*const_cast<InsetERT *>(this), same_id);
  64 }
  65
  66
  67 InsetERT::InsetERT(string const & contents, bool collapsed)
  68         : InsetCollapsable(collapsed)
  69 {
  70         if (collapsed)
  71                 status_ = Collapsed;
  72         else
  73                 status_ = Open;
  74 #ifndef INHERIT_LANG
  75         LyXFont font(LyXFont::ALL_INHERIT, latex_language);
  76 #else
  77         LyXFont font(LyXFont::ALL_INHERIT);
  78 #endif
  79         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
  80         font.setColor(LColor::latex);
  81         string::const_iterator cit = contents.begin();
  82         string::const_iterator end = contents.end();
  83         Paragraph::size_type pos = 0;
  84         for (; cit != end; ++cit) {
  85                 inset.paragraph()->insertChar(pos++, *cit, font);
  86         }
  87         // the init has to be after the initialization of the paragraph
  88         // because of the label settings (draw_label for ert insets).
  89         init();
  90 }
  91
  92
  93 InsetERT::~InsetERT()
  94 {
  95         hideDialog();
  96 }
  97
  98
  99 void InsetERT::read(Buffer const * buf, LyXLex & lex)
 100 {
 101         bool token_found = false;
 102         if (lex.isOK()) {
 103                 lex.next();
 104                 string const token = lex.getString();
 105                 if (token == "status") {
 106                         lex.next();
 107                         string const tmp_token = lex.getString();
 108
 109                         if (tmp_token == "Inlined") {
 110                                 status(0, Inlined);
 111                         } else if (tmp_token == "Collapsed") {
 112                                 status(0, Collapsed);
 113                         } else {
 114                                 // leave this as default!
 115                                 status(0, Open);
 116                         }
 117
 118                         token_found = true;
 119                 } else {
 120                         lyxerr << "InsetERT::Read: Missing 'status'-tag!"
 121                                    << std::endl;
 122                         // take countermeasures
 123                         lex.pushToken(token);
 124                 }
 125         }
 126 #warning this should be really short lived only for compatibility to
 127 #warning files written 07/08/2001 so this has to go before 1.2.0! (Jug)
 128         if (lex.isOK()) {
 129                 lex.next();
 130                 string const token = lex.getString();
 131                 if (token == "collapsed") {
 132                         lex.next();
 133                         collapsed_ = lex.getBool();
 134                 } else {
 135                         // Take countermeasures
 136                         lex.pushToken(token);
 137                 }
 138         }
 139         inset.read(buf, lex);
 140
 141 #ifndef INHERIT_LANG
 142         LyXFont font(LyXFont::ALL_INHERIT, latex_language);
 143 #else
 144         LyXFont font(LyXFont::ALL_INHERIT);
 145 #endif
 146
 147         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 148         font.setColor(LColor::latex);
 149         Paragraph * par = inset.paragraph();
 150         while (par) {
 151                 Paragraph::size_type siz = par->size();
 152                 for (Paragraph::size_type i = 0; i < siz; ++i) {
 153                         par->setFont(i, font);
 154                 }
 155                 par = par->next();
 156         }
 157
 158         if (!token_found) {
 159                 if (collapsed_) {
 160                         status(0, Collapsed);
 161                 } else {
 162                         status(0, Open);
 163                 }
 164         }
 165         setButtonLabel();
 166 }
 167
 168
 169 void InsetERT::write(Buffer const * buf, ostream & os) const
 170 {
 171         string st;
 172
 173         switch(status_) {
 174         case Open:
 175                 st = "Open";
 176                 break;
 177         case Collapsed:
 178                 st = "Collapsed";
 179                 break;
 180         case Inlined:
 181                 st = "Inlined";
 182                 break;
 183         }
 184
 185         os << getInsetName() << "\n"
 186            << "status "<< st << "\n";
 187
 188         //inset.writeParagraphData(buf, os);
 189         string const layout =
 190                 textclasslist.NameOfLayout(buf->params.textclass, 0);
 191         Paragraph * par = inset.paragraph();
 192         while (par) {
 193                 os << "\n\\layout " << layout << "\n";
 194                 Paragraph::size_type siz = par->size();
 195                 for (Paragraph::size_type i = 0; i < siz; ++i) {
 196                         Paragraph::value_type c = par->getChar(i);
 197                         switch (c) {
 198                         case Paragraph::META_INSET:
 199                         case Paragraph::META_HFILL:
 200                                 lyxerr << "Element is not allowed in insertERT"
 201                                        << std::endl;
 202                         case Paragraph::META_NEWLINE:
 203                                 os << "\n\\newline \n";
 204                                 break;
 205                         case '\\':
 206                                 os << "\n\\backslash \n";
 207                                 break;
 208                         default:
 209                                 os << c;
 210                                 break;
 211                         }
 212                 }
 213                 par = par->next();
 214         }
 215 }
 216
 217
 218 string const InsetERT::editMessage() const
 219 {
 220         return _("Opened ERT Inset");
 221 }
 222
 223
 224 bool InsetERT::insertInset(BufferView *, Inset *)
 225 {
 226         return false;
 227 }
 228
 229
 230 void InsetERT::setFont(BufferView *, LyXFont const &, bool, bool selectall)
 231 {
 232         // if selectall is activated then the fontchange was an outside general
 233         // fontchange and this messages is not needed
 234         if (!selectall)
 235                 WriteAlert(_("Impossible Operation!"),
 236                            _("Not permitted to change font-types inside ERT-insets!"),
 237                            _("Sorry."));
 238 }
 239
 240
 241 void InsetERT::edit(BufferView * bv, int x, int y, unsigned int button)
 242 {
 243         InsetCollapsable::edit(bv, x, y, button);
 244         if (status_ != Inlined) {
 245                 if (collapsed_) {
 246                         status(0, Collapsed);
 247                 } else {
 248                         status(0, Open);
 249                 }
 250         }
 251         set_latex_font(bv);
 252 }
 253
 254
 255 Inset::EDITABLE InsetERT::editable() const
 256 {
 257         if (status_ == Collapsed)
 258                 return IS_EDITABLE;
 259         return HIGHLY_EDITABLE;
 260 }
 261
 262
 263 void InsetERT::edit(BufferView * bv, bool front)
 264 {
 265         InsetCollapsable::edit(bv, front);
 266         if (status_ != Inlined) {
 267                 if (collapsed_) {
 268                         status(0, Collapsed);
 269                 } else {
 270                         status(0, Open);
 271                 }
 272         }
 273         set_latex_font(bv);
 274 }
 275
 276
 277 void InsetERT::insetButtonRelease(BufferView * bv, int x, int y, int button)
 278 {
 279         if (button == 3) {
 280                 showInsetDialog(bv);
 281                 return;
 282         }
 283         if ((x >= 0)  && (x < button_length) &&
 284             (y >= button_top_y) &&  (y <= button_bottom_y))
 285         {
 286 //              if (collapsed_) {
 287 //                      setLabel(_("ERT"));
 288 //              } else {
 289 //                      setLabel(get_new_label());
 290 //              }
 291                 if (collapsed_) {
 292                         status(bv, Open);
 293 //                      collapsed_ = false;
 294 //                      inset.insetButtonRelease(bv, 0, 0, button);
 295 //                      inset.setUpdateStatus(bv, InsetText::FULL);
 296 //                      bv->updateInset(this, true);
 297                 } else {
 298                         status(bv, Collapsed);
 299 //                      collapsed_ = true;
 300 //                      bv->unlockInset(this);
 301 //                      bv->updateInset(this, true);
 302                 }
 303         } else if (!collapsed_ && (y > button_bottom_y)) {
 304                 LyXFont font(LyXFont::ALL_SANE);
 305                 int yy = ascent(bv, font) + y -
 306                     (ascent_collapsed() +
 307                      descent_collapsed() +
 308                      inset.ascent(bv, font));
 309                 inset.insetButtonRelease(bv, x, yy, button);
 310         }
 311 }
 312
 313
 314 int InsetERT::latex(Buffer const *, std::ostream & os, bool /*fragile*/,
 315                     bool /*free_spc*/) const
 316 {
 317         Paragraph * par = inset.paragraph();
 318         while (par) {
 319                 Paragraph::size_type siz = par->size();
 320                 for (Paragraph::size_type i = 0; i < siz; ++i) {
 321                         Paragraph::value_type c = par->getChar(i);
 322                         switch (c) {
 323                         case Paragraph::META_NEWLINE:
 324                                 os << '\n';
 325                                 break;
 326                         default:
 327                                 os << c;
 328                                 break;
 329                         }
 330                 }
 331                 par = par->next();
 332                 if (par)
 333                         os << "\n\n";
 334         }
 335
 336         return 1;
 337 }
 338
 339
 340 int InsetERT::ascii(Buffer const *,
 341                     std::ostream &, int /*linelen*/) const
 342 {
 343         return 0;
 344 }
 345
 346
 347 int InsetERT::linuxdoc(Buffer const *, std::ostream &) const
 348 {
 349         return 0;
 350 }
 351
 352
 353 int InsetERT::docbook(Buffer const *, std::ostream &) const
 354 {
 355         return 0;
 356 }
 357
 358
 359 UpdatableInset::RESULT
 360 InsetERT::localDispatch(BufferView * bv, kb_action action, string const & arg)
 361 {
 362         UpdatableInset::RESULT result = DISPATCHED_NOUPDATE;
 363
 364         if (!inset.paragraph()->size()) {
 365                 set_latex_font(bv);
 366         }
 367
 368         switch(action) {
 369         case LFUN_LAYOUT:
 370                 bv->owner()->setLayout(inset.paragraph()->getLayout());
 371                 break;
 372         default:
 373                 result = InsetCollapsable::localDispatch(bv, action, arg);
 374         }
 375         switch(action) {
 376         case LFUN_BREAKPARAGRAPH:
 377         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 378         case LFUN_BACKSPACE:
 379         case LFUN_BACKSPACE_SKIP:
 380         case LFUN_DELETE:
 381         case LFUN_DELETE_SKIP:
 382         case LFUN_DELETE_LINE_FORWARD:
 383         case LFUN_CUT:
 384                 set_latex_font(bv);
 385                 break;
 386
 387         default:
 388                 break;
 389         }
 390         return result;
 391 }
 392
 393
 394 string const InsetERT::get_new_label() const
 395 {
 396         string la;
 397         Paragraph::size_type const max_length = 15;
 398
 399         Paragraph::size_type const p_siz = inset.paragraph()->size();
 400         Paragraph::size_type const n = std::min(max_length, p_siz);
 401         int i = 0;
 402         int j = 0;
 403         for(; i < n && j < p_siz; ++j) {
 404                 if (inset.paragraph()->isInset(j))
 405                         continue;
 406                 la += inset.paragraph()->getChar(j);
 407                 ++i;
 408         }
 409         if (i > 0 && j < p_siz) {
 410                 la += "...";
 411         }
 412         if (la.empty()) {
 413                 la = _("ERT");
 414         }
 415         return la;
 416 }
 417
 418
 419 void InsetERT::setButtonLabel() const
 420 {
 421         if (status_ == Collapsed) {
 422                 setLabel(get_new_label());
 423         } else {
 424                 setLabel(_("ERT"));
 425         }
 426 }
 427
 428
 429 bool InsetERT::checkInsertChar(LyXFont & font)
 430 {
 431 #ifndef INHERIT_LANG
 432         LyXFont f(LyXFont::ALL_INHERIT, latex_language);
 433 #else
 434         LyXFont f(LyXFont::ALL_INHERIT);
 435 #endif
 436         font = f;
 437         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 438         font.setColor(LColor::latex);
 439         return true;
 440 }
 441
 442
 443 int InsetERT::ascent(BufferView * bv, LyXFont const & font) const
 444 {
 445         if (!inlined())
 446                 return InsetCollapsable::ascent(bv, font);
 447
 448         return inset.ascent(bv, font);
 449 }
 450
 451
 452 int InsetERT::descent(BufferView * bv, LyXFont const & font) const
 453 {
 454         if (!inlined())
 455                 return InsetCollapsable::descent(bv, font);
 456
 457         return inset.descent(bv, font);
 458 }
 459
 460
 461 int InsetERT::width(BufferView * bv, LyXFont const & font) const
 462 {
 463         if (!inlined())
 464                 return InsetCollapsable::width(bv, font);
 465
 466         return inset.width(bv, font);
 467 }
 468
 469
 470 void InsetERT::draw(BufferView * bv, LyXFont const & f,
 471                     int baseline, float & x, bool cleared) const
 472 {
 473         Painter & pain = bv->painter();
 474
 475         button_length = width_collapsed();
 476         button_top_y = -ascent(bv, f);
 477         button_bottom_y = -ascent(bv, f) + ascent_collapsed() +
 478                 descent_collapsed();
 479
 480         if (!isOpen()) {
 481                 draw_collapsed(pain, baseline, x);
 482                 x += TEXT_TO_INSET_OFFSET;
 483                 return;
 484         }
 485
 486         float old_x = x;
 487
 488         if (!owner())
 489                 x += static_cast<float>(scroll());
 490
 491         if (!cleared && (inset.need_update == InsetText::FULL ||
 492                          inset.need_update == InsetText::INIT ||
 493                          top_x != int(x) ||
 494                          top_baseline != baseline))
 495         {
 496                 // we don't need anymore to clear here we just have to tell
 497                 // the underlying LyXText that it should do the RowClear!
 498                 inset.setUpdateStatus(bv, InsetText::FULL);
 499                 bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 500                 return;
 501         }
 502
 503         top_x = int(x);
 504         topx_set = true;
 505         top_baseline = baseline;
 506
 507         int const bl = baseline - ascent(bv, f) + ascent_collapsed();
 508
 509         if (inlined()) {
 510                 inset.draw(bv, f, baseline, x, cleared);
 511         } else {
 512                 draw_collapsed(pain, bl, old_x);
 513                 inset.draw(bv, f,
 514                                    bl + descent_collapsed() + inset.ascent(bv, f),
 515                                    x, cleared);
 516         }
 517         need_update = NONE;
 518 }
 519
 520
 521 void InsetERT::set_latex_font(BufferView * bv)
 522 {
 523 #ifndef INHERIT_LANG
 524         LyXFont font(LyXFont::ALL_INHERIT, latex_language);
 525 #else
 526         LyXFont font(LyXFont::ALL_INHERIT);
 527 #endif
 528
 529         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 530         font.setColor(LColor::latex);
 531         inset.getLyXText(bv)->setFont(bv, font, false);
 532 }
 533
 534
 535 void InsetERT::status(BufferView * bv, ERTStatus const st) const
 536 {
 537         if (st != status_) {
 538                 status_ = st;
 539                 switch(st) {
 540                 case Inlined:
 541                         inset.setAutoBreakRows(false);
 542                         break;
 543                 case Open:
 544                         inset.setAutoBreakRows(true);
 545                         collapsed_ = false;
 546                         need_update = FULL;
 547                         setButtonLabel();
 548                         break;
 549                 case Collapsed:
 550                         inset.setAutoBreakRows(true);
 551                         collapsed_ = true;
 552                         need_update = FULL;
 553                         setButtonLabel();
 554                         if (bv)
 555                                 bv->unlockInset(const_cast<InsetERT *>(this));
 556                         break;
 557                 }
 558                 if (bv)
 559                         bv->updateInset(const_cast<InsetERT *>(this), true);
 560         }
 561 }
 562
 563
 564 bool InsetERT::showInsetDialog(BufferView * bv) const
 565 {
 566         bv->owner()->getDialogs()->showERT(const_cast<InsetERT *>(this));
 567         return true;
 568 }
 569
 570
 571 void InsetERT::open(BufferView * bv)
 572 {
 573         if (!collapsed_)
 574                 return;
 575         status(bv, Open);
 576 }
 577
 578
 579 void InsetERT::close(BufferView * bv) const
 580 {
 581         if (collapsed_)
 582                 return;
 583         status(bv, Collapsed);
 584 }