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         int lines = 0;
 319         while (par) {
 320                 Paragraph::size_type siz = par->size();
 321                 for (Paragraph::size_type i = 0; i < siz; ++i) {
 322                         Paragraph::value_type c = par->getChar(i);
 323                         switch (c) {
 324                         case Paragraph::META_NEWLINE:
 325                                 os << '\n';
 326                                 ++lines;
 327                                 break;
 328                         default:
 329                                 os << c;
 330                                 break;
 331                         }
 332                 }
 333                 par = par->next();
 334                 if (par) {
 335                         os << "\n\n";
 336                         lines += 2;
 337                 }
 338         }
 339
 340         return lines;
 341 }
 342
 343
 344 int InsetERT::ascii(Buffer const *,
 345                     std::ostream &, int /*linelen*/) const
 346 {
 347         return 0;
 348 }
 349
 350
 351 int InsetERT::linuxdoc(Buffer const *, std::ostream &) const
 352 {
 353         return 0;
 354 }
 355
 356
 357 int InsetERT::docbook(Buffer const *, std::ostream &) const
 358 {
 359         return 0;
 360 }
 361
 362
 363 UpdatableInset::RESULT
 364 InsetERT::localDispatch(BufferView * bv, kb_action action, string const & arg)
 365 {
 366         UpdatableInset::RESULT result = DISPATCHED_NOUPDATE;
 367
 368         if (!inset.paragraph()->size()) {
 369                 set_latex_font(bv);
 370         }
 371
 372         switch(action) {
 373         case LFUN_LAYOUT:
 374                 bv->owner()->setLayout(inset.paragraph()->getLayout());
 375                 break;
 376         default:
 377                 result = InsetCollapsable::localDispatch(bv, action, arg);
 378         }
 379         switch(action) {
 380         case LFUN_BREAKPARAGRAPH:
 381         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 382         case LFUN_BACKSPACE:
 383         case LFUN_BACKSPACE_SKIP:
 384         case LFUN_DELETE:
 385         case LFUN_DELETE_SKIP:
 386         case LFUN_DELETE_LINE_FORWARD:
 387         case LFUN_CUT:
 388                 set_latex_font(bv);
 389                 break;
 390
 391         default:
 392                 break;
 393         }
 394         return result;
 395 }
 396
 397
 398 string const InsetERT::get_new_label() const
 399 {
 400         string la;
 401         Paragraph::size_type const max_length = 15;
 402
 403         Paragraph::size_type const p_siz = inset.paragraph()->size();
 404         Paragraph::size_type const n = std::min(max_length, p_siz);
 405         int i = 0;
 406         int j = 0;
 407         for(; i < n && j < p_siz; ++j) {
 408                 if (inset.paragraph()->isInset(j))
 409                         continue;
 410                 la += inset.paragraph()->getChar(j);
 411                 ++i;
 412         }
 413         if (i > 0 && j < p_siz) {
 414                 la += "...";
 415         }
 416         if (la.empty()) {
 417                 la = _("ERT");
 418         }
 419         return la;
 420 }
 421
 422
 423 void InsetERT::setButtonLabel() const
 424 {
 425         if (status_ == Collapsed) {
 426                 setLabel(get_new_label());
 427         } else {
 428                 setLabel(_("ERT"));
 429         }
 430 }
 431
 432
 433 bool InsetERT::checkInsertChar(LyXFont & font)
 434 {
 435 #ifndef INHERIT_LANG
 436         LyXFont f(LyXFont::ALL_INHERIT, latex_language);
 437 #else
 438         LyXFont f(LyXFont::ALL_INHERIT);
 439 #endif
 440         font = f;
 441         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 442         font.setColor(LColor::latex);
 443         return true;
 444 }
 445
 446
 447 int InsetERT::ascent(BufferView * bv, LyXFont const & font) const
 448 {
 449         if (!inlined())
 450                 return InsetCollapsable::ascent(bv, font);
 451
 452         return inset.ascent(bv, font);
 453 }
 454
 455
 456 int InsetERT::descent(BufferView * bv, LyXFont const & font) const
 457 {
 458         if (!inlined())
 459                 return InsetCollapsable::descent(bv, font);
 460
 461         return inset.descent(bv, font);
 462 }
 463
 464
 465 int InsetERT::width(BufferView * bv, LyXFont const & font) const
 466 {
 467         if (!inlined())
 468                 return InsetCollapsable::width(bv, font);
 469
 470         return inset.width(bv, font);
 471 }
 472
 473
 474 void InsetERT::draw(BufferView * bv, LyXFont const & f,
 475                     int baseline, float & x, bool cleared) const
 476 {
 477         Painter & pain = bv->painter();
 478
 479         button_length = width_collapsed();
 480         button_top_y = -ascent(bv, f);
 481         button_bottom_y = -ascent(bv, f) + ascent_collapsed() +
 482                 descent_collapsed();
 483
 484         if (!isOpen()) {
 485                 draw_collapsed(pain, baseline, x);
 486                 x += TEXT_TO_INSET_OFFSET;
 487                 return;
 488         }
 489
 490         float old_x = x;
 491
 492         if (!owner())
 493                 x += static_cast<float>(scroll());
 494
 495         if (!cleared && (inset.need_update == InsetText::FULL ||
 496                          inset.need_update == InsetText::INIT ||
 497                          top_x != int(x) ||
 498                          top_baseline != baseline))
 499         {
 500                 // we don't need anymore to clear here we just have to tell
 501                 // the underlying LyXText that it should do the RowClear!
 502                 inset.setUpdateStatus(bv, InsetText::FULL);
 503                 bv->text->status(bv, LyXText::CHANGED_IN_DRAW);
 504                 return;
 505         }
 506
 507         top_x = int(x);
 508         topx_set = true;
 509         top_baseline = baseline;
 510
 511         int const bl = baseline - ascent(bv, f) + ascent_collapsed();
 512
 513         if (inlined()) {
 514                 inset.draw(bv, f, baseline, x, cleared);
 515         } else {
 516                 draw_collapsed(pain, bl, old_x);
 517                 inset.draw(bv, f,
 518                                    bl + descent_collapsed() + inset.ascent(bv, f),
 519                                    x, cleared);
 520         }
 521         need_update = NONE;
 522 }
 523
 524
 525 void InsetERT::set_latex_font(BufferView * bv)
 526 {
 527 #ifndef INHERIT_LANG
 528         LyXFont font(LyXFont::ALL_INHERIT, latex_language);
 529 #else
 530         LyXFont font(LyXFont::ALL_INHERIT);
 531 #endif
 532
 533         font.setFamily(LyXFont::TYPEWRITER_FAMILY);
 534         font.setColor(LColor::latex);
 535         inset.getLyXText(bv)->setFont(bv, font, false);
 536 }
 537
 538
 539 void InsetERT::status(BufferView * bv, ERTStatus const st) const
 540 {
 541         if (st != status_) {
 542                 status_ = st;
 543                 switch(st) {
 544                 case Inlined:
 545                         inset.setAutoBreakRows(false);
 546                         break;
 547                 case Open:
 548                         inset.setAutoBreakRows(true);
 549                         collapsed_ = false;
 550                         need_update = FULL;
 551                         setButtonLabel();
 552                         break;
 553                 case Collapsed:
 554                         inset.setAutoBreakRows(true);
 555                         collapsed_ = true;
 556                         need_update = FULL;
 557                         setButtonLabel();
 558                         if (bv)
 559                                 bv->unlockInset(const_cast<InsetERT *>(this));
 560                         break;
 561                 }
 562                 if (bv)
 563                         bv->updateInset(const_cast<InsetERT *>(this), false);
 564         }
 565 }
 566
 567
 568 bool InsetERT::showInsetDialog(BufferView * bv) const
 569 {
 570         bv->owner()->getDialogs()->showERT(const_cast<InsetERT *>(this));
 571         return true;
 572 }
 573
 574
 575 void InsetERT::open(BufferView * bv)
 576 {
 577         if (!collapsed_)
 578                 return;
 579         status(bv, Open);
 580 }
 581
 582
 583 void InsetERT::close(BufferView * bv) const
 584 {
 585         if (collapsed_)
 586                 return;
 587         status(bv, Collapsed);
 588 }
 589
 590
 591 string const InsetERT::selectNextWordToSpellcheck(BufferView * bv,float &) const
 592 {
 593         bv->unlockInset(const_cast<InsetERT *>(this));
 594         return string();
 595 }