src/insets/insettext.C

   1 /**
   2  * \file insettext.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Jürgen Vigna
   7  *
   8  * Full author contact details are available in file CREDITS
   9  */
  10
  11 #include <config.h>
  12
  13 #include "insettext.h"
  14
  15 #include "buffer.h"
  16 #include "BufferView.h"
  17 #include "CutAndPaste.h"
  18 #include "debug.h"
  19 #include "dimension.h"
  20 #include "funcrequest.h"
  21 #include "gettext.h"
  22 #include "intl.h"
  23 #include "LaTeXFeatures.h"
  24 #include "LColor.h"
  25 #include "Lsstream.h"
  26 #include "lyxfont.h"
  27 #include "lyxcursor.h"
  28 #include "lyxfind.h"
  29 #include "lyxlex.h"
  30 #include "lyxrow.h"
  31 #include "lyxrc.h"
  32 #include "lyxtext.h"
  33 #include "paragraph.h"
  34 #include "ParagraphParameters.h"
  35 #include "trans_mgr.h"
  36 #include "undo_funcs.h"
  37 #include "WordLangTuple.h"
  38 #include "paragraph_funcs.h"
  39 #include "sgml.h"
  40 #include "rowpainter.h"
  41 #include "insetnewline.h"
  42 #include "Lsstream.h"
  43
  44 #include "frontends/Alert.h"
  45 #include "frontends/Dialogs.h"
  46 #include "frontends/font_metrics.h"
  47 #include "frontends/LyXView.h"
  48 #include "frontends/Painter.h"
  49 #include "frontends/screen.h"
  50
  51 #include "support/textutils.h"
  52 #include "support/LAssert.h"
  53 #include "support/lstrings.h"
  54 #include "support/lyxalgo.h" // lyx::count
  55
  56 #include <boost/bind.hpp>
  57
  58 #include <fstream>
  59 #include <algorithm>
  60 #include <cstdlib>
  61 //#include <csignal>
  62
  63 using std::ostream;
  64 using std::ifstream;
  65 using std::endl;
  66 using std::min;
  67 using std::max;
  68 using std::make_pair;
  69 using std::vector;
  70 using std::pair;
  71 using std::for_each;
  72
  73 using lyx::pos_type;
  74 using lyx::textclass_type;
  75
  76
  77 // These functions should probably go into bufferview_funcs somehow (Jug)
  78
  79 void InsetText::saveLyXTextState(LyXText * t) const
  80 {
  81         // check if my paragraphs are still valid
  82         ParagraphList::iterator it = paragraphs.begin();
  83         ParagraphList::iterator end = paragraphs.end();
  84         for (; it != end; ++it) {
  85                 if (&*it == t->cursor.par())
  86                         break;
  87         }
  88
  89         if (it != end && t->cursor.pos() <= it->size()) {
  90                 sstate.lpar = &*t->cursor.par();
  91                 sstate.pos = t->cursor.pos();
  92                 sstate.boundary = t->cursor.boundary();
  93                 sstate.selstartpar = &*t->selection.start.par();
  94                 sstate.selstartpos = t->selection.start.pos();
  95                 sstate.selstartboundary = t->selection.start.boundary();
  96                 sstate.selendpar = &*t->selection.end.par();
  97                 sstate.selendpos = t->selection.end.pos();
  98                 sstate.selendboundary = t->selection.end.boundary();
  99                 sstate.selection = t->selection.set();
 100                 sstate.mark_set = t->selection.mark();
 101         } else {
 102                 sstate.lpar = 0;
 103         }
 104 }
 105
 106
 107 void InsetText::restoreLyXTextState(LyXText * t) const
 108 {
 109         if (!sstate.lpar)
 110                 return;
 111
 112         t->selection.set(true);
 113         /* at this point just to avoid the DEPM when setting the cursor */
 114         t->selection.mark(sstate.mark_set);
 115         if (sstate.selection) {
 116                 t->setCursor(sstate.selstartpar, sstate.selstartpos,
 117                              true, sstate.selstartboundary);
 118                 t->selection.cursor = t->cursor;
 119                 t->setCursor(sstate.selendpar, sstate.selendpos,
 120                              true, sstate.selendboundary);
 121                 t->setSelection();
 122                 t->setCursor(sstate.lpar, sstate.pos);
 123         } else {
 124                 t->setCursor(sstate.lpar, sstate.pos, true, sstate.boundary);
 125                 t->selection.cursor = t->cursor;
 126                 t->selection.set(false);
 127         }
 128 }
 129
 130
 131 InsetText::InnerCache::InnerCache(boost::shared_ptr<LyXText> t)
 132 {
 133         text = t;
 134         remove = false;
 135 }
 136
 137
 138 InsetText::InsetText(BufferParams const & bp)
 139         : UpdatableInset(), lt(0), in_update(false), do_resize(0),
 140           do_reinit(false)
 141 {
 142         paragraphs.push_back(new Paragraph);
 143         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
 144         if (bp.tracking_changes)
 145                 paragraphs.begin()->trackChanges();
 146         init();
 147 }
 148
 149
 150 InsetText::InsetText(InsetText const & in, bool same_id)
 151         : UpdatableInset(in, same_id), lt(0), in_update(false), do_resize(0),
 152           do_reinit(false)
 153 {
 154         init(&in, same_id);
 155 }
 156
 157
 158 InsetText & InsetText::operator=(InsetText const & it)
 159 {
 160         init(&it);
 161         return * this;
 162 }
 163
 164
 165 void InsetText::init(InsetText const * ins, bool same_id)
 166 {
 167         if (ins) {
 168                 setParagraphData(ins->paragraphs, same_id);
 169                 autoBreakRows = ins->autoBreakRows;
 170                 drawFrame_ = ins->drawFrame_;
 171                 frame_color = ins->frame_color;
 172                 if (same_id)
 173                         id_ = ins->id_;
 174         } else {
 175                 for_each(paragraphs.begin(), paragraphs.end(),
 176                          boost::bind(&Paragraph::setInsetOwner, _1, this));
 177
 178                 the_locking_inset = 0;
 179                 drawFrame_ = NEVER;
 180                 frame_color = LColor::insetframe;
 181                 autoBreakRows = false;
 182         }
 183         top_y = 0;
 184         insetAscent = 0;
 185         insetDescent = 0;
 186         insetWidth = 0;
 187         old_max_width = 0;
 188         no_selection = true;
 189         need_update = FULL;
 190         drawTextXOffset = 0;
 191         drawTextYOffset = 0;
 192         locked = false;
 193         old_par = 0;
 194         last_drawn_width = -1;
 195         cached_bview = 0;
 196         sstate.lpar = 0;
 197         in_insetAllowed = false;
 198 }
 199
 200
 201 InsetText::~InsetText()
 202 {
 203         paragraphs.clear();
 204 }
 205
 206
 207 void InsetText::clear(bool just_mark_erased)
 208 {
 209         if (just_mark_erased) {
 210                 ParagraphList::iterator it = paragraphs.begin();
 211                 ParagraphList::iterator end = paragraphs.end();
 212                 for (; it != end; ++it) {
 213                         it->markErased();
 214                 }
 215                 need_update = FULL;
 216                 return;
 217         }
 218
 219         // This is a gross hack...
 220         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 221
 222         paragraphs.clear();
 223         paragraphs.push_back(new Paragraph);
 224         paragraphs.begin()->setInsetOwner(this);
 225         paragraphs.begin()->layout(old_layout);
 226
 227         reinitLyXText();
 228         need_update = INIT;
 229 }
 230
 231
 232 Inset * InsetText::clone(Buffer const &, bool same_id) const
 233 {
 234         return new InsetText(*this, same_id);
 235 }
 236
 237
 238 void InsetText::write(Buffer const * buf, ostream & os) const
 239 {
 240         os << "Text\n";
 241         writeParagraphData(buf, os);
 242 }
 243
 244
 245 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 246 {
 247         ParagraphList::iterator it = paragraphs.begin();
 248         ParagraphList::iterator end = paragraphs.end();
 249         Paragraph::depth_type dth = 0;
 250         for (; it != end; ++it) {
 251                 it->write(buf, os, buf->params, dth);
 252         }
 253 }
 254
 255
 256 void InsetText::read(Buffer const * buf, LyXLex & lex)
 257 {
 258         string token;
 259         Paragraph::depth_type depth = 0;
 260
 261         clear(false);
 262
 263         if (buf->params.tracking_changes)
 264                 paragraphs.begin()->trackChanges();
 265
 266         // delete the initial paragraph
 267         paragraphs.clear();
 268         ParagraphList::iterator pit = paragraphs.begin();
 269
 270         while (lex.isOK()) {
 271                 lex.nextToken();
 272                 token = lex.getString();
 273                 if (token.empty())
 274                         continue;
 275                 if (token == "\\end_inset") {
 276                         break;
 277                 }
 278
 279                 if (token == "\\the_end") {
 280                         lex.printError("\\the_end read in inset! Error in document!");
 281                         return;
 282                 }
 283
 284                 // FIXME: ugly.
 285                 const_cast<Buffer*>(buf)->readParagraph(lex, token, paragraphs, pit, depth);
 286         }
 287
 288         pit = paragraphs.begin();
 289         ParagraphList::iterator const end = paragraphs.end();
 290         for (; pit != end; ++pit)
 291                 pit->setInsetOwner(this);
 292
 293         if (token != "\\end_inset") {
 294                 lex.printError("Missing \\end_inset at this point. "
 295                                            "Read: `$$Token'");
 296         }
 297         need_update = FULL;
 298 }
 299
 300
 301 void InsetText::dimension(BufferView * bv, LyXFont const &,
 302         Dimension & dim) const
 303 {
 304         LyXText * text = getLyXText(bv);
 305         dim.a = text->rows().begin()->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 306         dim.d = text->height - dim.a + TEXT_TO_INSET_OFFSET;
 307         dim.w = max(textWidth(bv), int(text->width)) + 2 * TEXT_TO_INSET_OFFSET;
 308         dim.w = max(dim.w, 10);
 309 }
 310
 311
 312 int InsetText::textWidth(BufferView * bv, bool fordraw) const
 313 {
 314         int w = autoBreakRows ? getMaxWidth(bv, this) : -1;
 315
 316         if (fordraw)
 317                 return max(w - 2 * TEXT_TO_INSET_OFFSET,
 318                            (int)getLyXText(bv)->width);
 319
 320         if (w < 0)
 321     return -1;
 322
 323         return w - 2 * TEXT_TO_INSET_OFFSET;
 324 }
 325
 326
 327 void InsetText::draw(BufferView * bv, LyXFont const & f,
 328                      int baseline, float & x) const
 329 {
 330         if (nodraw())
 331                 return;
 332
 333         // update our idea of where we are. Clearly, we should
 334         // not have to know this information.
 335         if (top_x != int(x))
 336                 top_x = int(x);
 337
 338         int const start_x = int(x);
 339
 340         Painter & pain = bv->painter();
 341
 342         // call these methods so that insetWidth, insetAscent and
 343         // insetDescent have the right values.
 344         width(bv, f);
 345         ascent(bv, f);
 346         descent(bv, f);
 347
 348         // repaint the background if needed
 349         if (backgroundColor() != LColor::background)
 350                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, baseline);
 351
 352         // no draw is necessary !!!
 353         if ((drawFrame_ == LOCKED) && !locked && paragraphs.begin()->empty()) {
 354                 top_baseline = baseline;
 355                 x += width(bv, f);
 356                 need_update = NONE;
 357                 return;
 358         }
 359
 360         if (!owner())
 361                 x += static_cast<float>(scroll());
 362
 363         top_baseline = baseline;
 364         top_y = baseline - insetAscent;
 365
 366         if (last_drawn_width != insetWidth) {
 367                 need_update |= FULL;
 368                 last_drawn_width = insetWidth;
 369         }
 370
 371         if (the_locking_inset && (cpar(bv) == inset_par)
 372                 && (cpos(bv) == inset_pos)) {
 373                 inset_x = cix(bv) - int(x) + drawTextXOffset;
 374                 inset_y = ciy(bv) + drawTextYOffset;
 375         }
 376
 377         bool clear = false;
 378         if (!lt) {
 379                 lt = getLyXText(bv);
 380                 clear = true;
 381         }
 382         x += TEXT_TO_INSET_OFFSET;
 383
 384         RowList::iterator rowit = lt->rows().begin();
 385         RowList::iterator end = lt->rows().end();
 386
 387         int y_offset = baseline - rowit->ascent_of_text();
 388         int ph = pain.paperHeight();
 389         int first = 0;
 390         int y = y_offset;
 391         while ((rowit != end) && ((y + rowit->height()) <= 0)) {
 392                 y += rowit->height();
 393                 first += rowit->height();
 394                 ++rowit;
 395         }
 396         if (y_offset < 0) {
 397                 lt->top_y(-y_offset);
 398                 first = y;
 399                 y_offset = 0;
 400         } else {
 401                 lt->top_y(first);
 402                 first = 0;
 403         }
 404
 405         int yf = y_offset + first;
 406         y = 0;
 407
 408         bv->hideCursor();
 409
 410         while ((rowit != end) && (yf < ph)) {
 411                 RowPainter rp(*bv, *lt, rowit);
 412                 rp.paint(y + y_offset + first, int(x), y + lt->top_y());
 413                 y += rowit->height();
 414                 yf += rowit->height();
 415                 ++rowit;
 416         }
 417
 418         lt->clearPaint();
 419
 420         if ((drawFrame_ == ALWAYS) || (drawFrame_ == LOCKED && locked)) {
 421                 drawFrame(pain, int(start_x));
 422         }
 423
 424         x += insetWidth - TEXT_TO_INSET_OFFSET;
 425
 426         if (need_update != INIT) {
 427                 need_update = NONE;
 428         }
 429         if (clear)
 430                 lt = 0;
 431 }
 432
 433
 434 void InsetText::drawFrame(Painter & pain, int x) const
 435 {
 436         static int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 437         frame_x = x + ttoD2;
 438         frame_y = top_baseline - insetAscent + ttoD2;
 439         frame_w = insetWidth - TEXT_TO_INSET_OFFSET;
 440         frame_h = insetAscent + insetDescent - TEXT_TO_INSET_OFFSET;
 441         pain.rectangle(frame_x, frame_y, frame_w, frame_h,
 442                        frame_color);
 443 }
 444
 445
 446 void InsetText::update(BufferView * bv, bool reinit)
 447 {
 448         if (in_update) {
 449                 if (reinit && owner()) {
 450                         reinitLyXText();
 451                         owner()->update(bv, true);
 452                 }
 453                 return;
 454         }
 455         in_update = true;
 456
 457         if (reinit || need_update == INIT) {
 458                 need_update = FULL;
 459                 // we should put this call where we set need_update to INIT!
 460                 reinitLyXText();
 461                 if (owner())
 462                         owner()->update(bv, true);
 463                 in_update = false;
 464
 465                 int nw = getMaxWidth(bv, this);
 466                 if (nw > 0 && old_max_width != nw) {
 467                         need_update |= INIT;
 468                         old_max_width = nw;
 469                 }
 470                 return;
 471         }
 472
 473         if (!autoBreakRows &&
 474             boost::next(paragraphs.begin()) != paragraphs.end())
 475                 collapseParagraphs(bv);
 476
 477         if (the_locking_inset) {
 478                 inset_x = cix(bv) - top_x + drawTextXOffset;
 479                 inset_y = ciy(bv) + drawTextYOffset;
 480                 the_locking_inset->update(bv, reinit);
 481         }
 482
 483         bool clear = false;
 484         if (!lt) {
 485                 lt = getLyXText(bv);
 486                 clear = true;
 487         }
 488         if ((need_update & CURSOR_PAR) && (lt->refreshStatus() == LyXText::REFRESH_NONE) &&
 489                 the_locking_inset) {
 490                 lt->updateInset(the_locking_inset);
 491         }
 492
 493         if (lt->refreshStatus() == LyXText::REFRESH_AREA)
 494                 need_update |= FULL;
 495         if (clear)
 496                 lt = 0;
 497
 498         in_update = false;
 499
 500         int nw = getMaxWidth(bv, this);
 501         if (nw > 0 && old_max_width != nw) {
 502                 need_update |= INIT;
 503                 old_max_width = nw;
 504         }
 505 }
 506
 507
 508 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 509 {
 510         // this does nothing dangerous so use only a localized buffer
 511         LyXText * llt = getLyXText(bv);
 512
 513         need_update |= what;
 514         // we have to redraw us full if our LyXText REFRESH_AREA or
 515         // if we don't break row so that we only have one row to update!
 516         if ((llt->refreshStatus() == LyXText::REFRESH_AREA) ||
 517             (!autoBreakRows &&
 518              (llt->refreshStatus() == LyXText::REFRESH_ROW)))
 519         {
 520                 need_update |= FULL;
 521         } else if (llt->refreshStatus() == LyXText::REFRESH_ROW) {
 522                 need_update |= CURSOR_PAR;
 523         }
 524
 525         // this to not draw a selection when we redraw all of it!
 526         if (need_update & CURSOR && !(need_update & SELECTION)) {
 527                 if (llt->selection.set())
 528                         need_update = FULL;
 529                 llt->clearSelection();
 530         }
 531 }
 532
 533
 534 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty)
 535 {
 536 #if 0
 537         if (!autoBreakRows &&
 538             boost::next(paragraphs.begin()) != paragraphs.end())
 539                 collapseParagraphs(bv);
 540 #else
 541         if (!autoBreakRows && paragraphs.size() > 1)
 542                 collapseParagraphs(bv);
 543 #endif
 544
 545         bool clear = false;
 546         if (!lt) {
 547                 lt = getLyXText(bv);
 548                 clear = true;
 549         }
 550         lt->fullRebreak();
 551         setUpdateStatus(bv, what);
 552         bool flag = mark_dirty ||
 553                 (((need_update != CURSOR) && (need_update != NONE)) ||
 554                  (lt->refreshStatus() != LyXText::REFRESH_NONE) || lt->selection.set());
 555         if (!lt->selection.set())
 556                 lt->selection.cursor = lt->cursor;
 557
 558         bv->fitCursor();
 559
 560         if (flag) {
 561                 lt->postPaint(0);
 562                 bv->updateInset(const_cast<InsetText *>(this));
 563         }
 564
 565         if (clear)
 566                 lt = 0;
 567
 568         if (need_update == CURSOR)
 569                 need_update = NONE;
 570         bv->owner()->view_state_changed();
 571         bv->owner()->updateMenubar();
 572         bv->owner()->updateToolbar();
 573         if (old_par != cpar(bv)) {
 574                 bv->owner()->setLayout(cpar(bv)->layout()->name());
 575                 old_par = cpar(bv);
 576         }
 577 }
 578
 579
 580 string const InsetText::editMessage() const
 581 {
 582         return _("Opened Text Inset");
 583 }
 584
 585
 586 void InsetText::insetUnlock(BufferView * bv)
 587 {
 588         if (the_locking_inset) {
 589                 the_locking_inset->insetUnlock(bv);
 590                 the_locking_inset = 0;
 591                 updateLocal(bv, CURSOR_PAR, false);
 592         }
 593         no_selection = true;
 594         locked = false;
 595         int code = NONE;
 596         bool clear = false;
 597
 598         if (!lt) {
 599                 lt = getLyXText(bv);
 600                 clear = true;
 601         }
 602         if (lt->selection.set()) {
 603                 lt->clearSelection();
 604                 code = FULL;
 605         } else if (owner()) {
 606                 bv->owner()->setLayout(owner()->getLyXText(bv)
 607                                        ->cursor.par()->layout()->name());
 608         } else
 609                 bv->owner()->setLayout(bv->text->cursor.par()->layout()->name());
 610         // hack for deleteEmptyParMech
 611         if (!paragraphs.begin()->empty()) {
 612                 lt->setCursor(paragraphs.begin(), 0);
 613         } else if (boost::next(paragraphs.begin()) != paragraphs.end()) {
 614                 lt->setCursor(boost::next(paragraphs.begin()), 0);
 615         }
 616         if (clear)
 617                 lt = 0;
 618 #if 0
 619         updateLocal(bv, code, false);
 620 #else
 621         if (code != NONE)
 622                 setUpdateStatus(bv, code);
 623 #endif
 624 }
 625
 626
 627 void InsetText::lockInset(BufferView * bv)
 628 {
 629         locked = true;
 630         the_locking_inset = 0;
 631         inset_pos = inset_x = inset_y = 0;
 632         inset_boundary = false;
 633         inset_par = 0;
 634         old_par = 0;
 635         bool clear = false;
 636         if (!lt) {
 637                 lt = getLyXText(bv);
 638                 clear = true;
 639         }
 640         lt->setCursor(paragraphs.begin(), 0);
 641         lt->clearSelection();
 642         finishUndo();
 643         // If the inset is empty set the language of the current font to the
 644         // language to the surronding text (if different).
 645         if (paragraphs.begin()->empty() &&
 646             boost::next(paragraphs.begin()) == paragraphs.end() &&
 647                 bv->getParentLanguage(this) != lt->current_font.language()) {
 648                 LyXFont font(LyXFont::ALL_IGNORE);
 649                 font.setLanguage(bv->getParentLanguage(this));
 650                 setFont(bv, font, false);
 651         }
 652         if (clear)
 653                 lt = 0;
 654         int code = CURSOR;
 655         if (drawFrame_ == LOCKED)
 656                 code = CURSOR|DRAW_FRAME;
 657         setUpdateStatus(bv, code);
 658 }
 659
 660
 661 void InsetText::lockInset(BufferView * bv, UpdatableInset * inset)
 662 {
 663         the_locking_inset = inset;
 664         inset_x = cix(bv) - top_x + drawTextXOffset;
 665         inset_y = ciy(bv) + drawTextYOffset;
 666         inset_pos = cpos(bv);
 667         inset_par = cpar(bv);
 668         inset_boundary = cboundary(bv);
 669         updateLocal(bv, CURSOR, false);
 670 }
 671
 672
 673 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 674 {
 675         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 676                               << inset << "): ";
 677         if (!inset)
 678                 return false;
 679         if (!the_locking_inset) {
 680                 ParagraphList::iterator pit = paragraphs.begin();
 681                 ParagraphList::iterator pend = paragraphs.end();
 682
 683                 int const id = inset->id();
 684                 for (; pit != pend; ++pit) {
 685                         InsetList::iterator it =
 686                                 pit->insetlist.begin();
 687                         InsetList::iterator const end =
 688                                 pit->insetlist.end();
 689                         for (; it != end; ++it) {
 690                                 if (it.getInset() == inset) {
 691                                         getLyXText(bv)->setCursorIntern(pit, it.getPos());
 692                                         lockInset(bv, inset);
 693                                         return true;
 694                                 }
 695                                 if (it.getInset()->getInsetFromID(id)) {
 696                                         getLyXText(bv)->setCursorIntern(pit, it.getPos());
 697                                         it.getInset()->localDispatch(FuncRequest(bv, LFUN_INSET_EDIT));
 698                                         return the_locking_inset->lockInsetInInset(bv, inset);
 699                                 }
 700                         }
 701                 }
 702                 return false;
 703         }
 704         if (inset == cpar(bv)->getInset(cpos(bv))) {
 705                 lyxerr[Debug::INSETS] << "OK" << endl;
 706                 lockInset(bv, inset);
 707                 return true;
 708         } else if (the_locking_inset && (the_locking_inset == inset)) {
 709                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 710                         lyxerr[Debug::INSETS] << "OK" << endl;
 711                         inset_x = cix(bv) - top_x + drawTextXOffset;
 712                         inset_y = ciy(bv) + drawTextYOffset;
 713                 } else {
 714                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 715                 }
 716         } else if (the_locking_inset) {
 717                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 718                 return the_locking_inset->lockInsetInInset(bv, inset);
 719         }
 720         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 721         return false;
 722 }
 723
 724
 725 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 726                                    bool lr)
 727 {
 728         if (!the_locking_inset)
 729                 return false;
 730         if (the_locking_inset == inset) {
 731                 the_locking_inset->insetUnlock(bv);
 732                 getLyXText(bv)->updateInset(inset);
 733                 the_locking_inset = 0;
 734                 if (lr)
 735                         moveRightIntern(bv, true, false);
 736                 old_par = 0; // force layout setting
 737                 if (scroll())
 738                         scroll(bv, 0.0F);
 739                 else
 740                         updateLocal(bv, CURSOR, false);
 741                 return true;
 742         }
 743         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 744 }
 745
 746
 747 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 748 {
 749         if (!autoBreakRows &&
 750             boost::next(paragraphs.begin()) != paragraphs.end())
 751                 collapseParagraphs(bv);
 752         if (inset == this)
 753                 return true;
 754         bool clear = false;
 755         if (!lt) {
 756                 lt = getLyXText(bv);
 757                 clear = true;
 758         }
 759         if (inset->owner() != this) {
 760                 int ustat = CURSOR_PAR;
 761                 bool found = false;
 762                 UpdatableInset * tl_inset = the_locking_inset;
 763                 if (tl_inset)
 764                         found = tl_inset->updateInsetInInset(bv, inset);
 765                 if (!found) {
 766                         tl_inset = static_cast<UpdatableInset *>(inset);
 767                         while(tl_inset->owner() && tl_inset->owner() != this)
 768                                 tl_inset = static_cast<UpdatableInset *>(tl_inset->owner());
 769                         if (!tl_inset->owner())
 770                                 return false;
 771                         found = tl_inset->updateInsetInInset(bv, inset);
 772                         ustat = FULL;
 773                 }
 774                 if (found)
 775                         lt->updateInset(tl_inset);
 776                 if (clear)
 777                         lt = 0;
 778                 if (found)
 779                         setUpdateStatus(bv, ustat);
 780                 return found;
 781         }
 782         bool found = lt->updateInset(inset);
 783         if (clear)
 784                 lt = 0;
 785         if (found) {
 786                 setUpdateStatus(bv, CURSOR_PAR);
 787                 if (the_locking_inset &&
 788                     cpar(bv) == inset_par && cpos(bv) == inset_pos)
 789                 {
 790                         inset_x = cix(bv) - top_x + drawTextXOffset;
 791                         inset_y = ciy(bv) + drawTextYOffset;
 792                 }
 793         }
 794         return found;
 795 }
 796
 797
 798 void InsetText::lfunMousePress(FuncRequest const & cmd)
 799 {
 800         no_selection = true;
 801
 802         // use this to check mouse motion for selection!
 803         mouse_x = cmd.x;
 804         mouse_y = cmd.y;
 805
 806         BufferView * bv = cmd.view();
 807         FuncRequest cmd1 = cmd;
 808         cmd1.x -= inset_x;
 809         cmd1.y -= inset_y;
 810         if (!locked)
 811                 lockInset(bv);
 812
 813         int tmp_x = cmd.x - drawTextXOffset;
 814         int tmp_y = cmd.y + insetAscent - getLyXText(bv)->top_y();
 815         Inset * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 816
 817         if (the_locking_inset) {
 818                 if (the_locking_inset == inset) {
 819                         the_locking_inset->localDispatch(cmd1);
 820                         return;
 821                 }
 822                 // otherwise only unlock the_locking_inset
 823                 the_locking_inset->insetUnlock(bv);
 824                 the_locking_inset = 0;
 825         }
 826         if (!inset)
 827                 no_selection = false;
 828
 829         if (bv->theLockingInset()) {
 830                 if (isHighlyEditableInset(inset)) {
 831                         // We just have to lock the inset before calling a
 832                         // PressEvent on it!
 833                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 834                         if (!bv->lockInset(uinset)) {
 835                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 836                         }
 837                         inset->localDispatch(cmd1);
 838                         if (the_locking_inset)
 839                                 updateLocal(bv, CURSOR, false);
 840                         return;
 841                 }
 842         }
 843         if (!inset) {
 844                 bool paste_internally = false;
 845                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
 846                         localDispatch(FuncRequest(bv, LFUN_COPY));
 847                         paste_internally = true;
 848                 }
 849                 bool clear = false;
 850                 if (!lt) {
 851                         lt = getLyXText(bv);
 852                         clear = true;
 853                 }
 854                 int old_top_y = lt->top_y();
 855
 856                 lt->setCursorFromCoordinates(cmd.x - drawTextXOffset,
 857                                              cmd.y + insetAscent);
 858                 // set the selection cursor!
 859                 lt->selection.cursor = lt->cursor;
 860                 lt->cursor.x_fix(lt->cursor.x());
 861
 862                 if (lt->selection.set()) {
 863                         lt->clearSelection();
 864                         updateLocal(bv, FULL, false);
 865                 } else {
 866                         lt->clearSelection();
 867                         updateLocal(bv, CURSOR, false);
 868                 }
 869
 870                 if (clear)
 871                         lt = 0;
 872
 873                 bv->owner()->setLayout(cpar(bv)->layout()->name());
 874
 875                 // we moved the view we cannot do mouse selection in this case!
 876                 if (getLyXText(bv)->top_y() != old_top_y)
 877                         no_selection = true;
 878                 old_par = cpar(bv);
 879                 // Insert primary selection with middle mouse
 880                 // if there is a local selection in the current buffer,
 881                 // insert this
 882                 if (cmd.button() == mouse_button::button2) {
 883                         if (paste_internally)
 884                                 localDispatch(FuncRequest(bv, LFUN_PASTE));
 885                         else
 886                                 localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
 887                 }
 888         } else {
 889                 getLyXText(bv)->clearSelection();
 890         }
 891 }
 892
 893
 894 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 895 {
 896         BufferView * bv = cmd.view();
 897         FuncRequest cmd1 = cmd;
 898         cmd1.x -= inset_x;
 899         cmd1.y -= inset_y;
 900
 901         no_selection = true;
 902         if (the_locking_inset)
 903                 return the_locking_inset->localDispatch(cmd1);
 904
 905         int tmp_x = cmd.x - drawTextXOffset;
 906         int tmp_y = cmd.y + insetAscent - getLyXText(bv)->top_y();
 907         Inset * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 908         bool ret = false;
 909         if (inset) {
 910 // This code should probably be removed now. Simple insets
 911 // (!highlyEditable) can actually take the localDispatch,
 912 // and turn it into edit() if necessary. But we still
 913 // need to deal properly with the whole relative vs.
 914 // absolute mouse co-ords thing in a realiable, sensible way
 915 #if 0
 916                 if (isHighlyEditableInset(inset))
 917                         ret = inset->localDispatch(cmd1);
 918                 else {
 919                         inset_x = cix(bv) - top_x + drawTextXOffset;
 920                         inset_y = ciy(bv) + drawTextYOffset;
 921                         cmd1.x = cmd.x - inset_x;
 922                         cmd1.y = cmd.x - inset_y;
 923                         inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
 924                         ret = true;
 925                 }
 926 #endif
 927                 ret = inset->localDispatch(cmd1);
 928                 updateLocal(bv, CURSOR_PAR, false);
 929
 930         }
 931         return ret;
 932 }
 933
 934
 935 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 936 {
 937         FuncRequest cmd1 = cmd;
 938         cmd1.x -= inset_x;
 939         cmd1.y -= inset_y;
 940
 941         if (the_locking_inset) {
 942                 the_locking_inset->localDispatch(cmd1);
 943                 return;
 944         }
 945
 946         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 947                 return;
 948
 949         BufferView * bv = cmd.view();
 950         bool clear = false;
 951         if (!lt) {
 952                 lt = getLyXText(bv);
 953                 clear = true;
 954         }
 955         LyXCursor cur = lt->cursor;
 956         lt->setCursorFromCoordinates
 957                 (cmd.x - drawTextXOffset, cmd.y + insetAscent);
 958         lt->cursor.x_fix(lt->cursor.x());
 959         if (cur == lt->cursor) {
 960                 if (clear)
 961                         lt = 0;
 962                 return;
 963         }
 964         lt->setSelection();
 965         bool flag = (lt->toggle_cursor.par() != lt->toggle_end_cursor.par() ||
 966                                  lt->toggle_cursor.pos() != lt->toggle_end_cursor.pos());
 967         if (clear)
 968                 lt = 0;
 969         if (flag) {
 970                 updateLocal(bv, SELECTION, false);
 971         }
 972 }
 973
 974
 975 Inset::RESULT InsetText::localDispatch(FuncRequest const & cmd)
 976 {
 977         BufferView * bv = cmd.view();
 978
 979         if (cmd.action == LFUN_INSET_EDIT) {
 980                 UpdatableInset::localDispatch(cmd);
 981
 982                 if (!bv->lockInset(this)) {
 983                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 984                         return DISPATCHED;
 985                 }
 986
 987                 locked = true;
 988                 the_locking_inset = 0;
 989                 inset_pos = inset_x = inset_y = 0;
 990                 inset_boundary = false;
 991                 inset_par = 0;
 992                 old_par = 0;
 993
 994                 bool clear = false;
 995                 if (!lt) {
 996                         lt = getLyXText(bv);
 997                         clear = true;
 998                 }
 999
1000                 if (cmd.argument.size()) {
1001                         if (cmd.argument == "left")
1002                                 lt->setCursor(paragraphs.begin(), 0);
1003                         else {
1004                                 ParagraphList::iterator it = paragraphs.begin();
1005                                 ParagraphList::iterator end = paragraphs.end();
1006                                 while (boost::next(it) != end)
1007                                         ++it;
1008                 //              int const pos = (p->size() ? p->size()-1 : p->size());
1009                                 lt->setCursor(it, it->size());
1010                         }
1011                 } else {
1012                         int tmp_y = (cmd.y < 0) ? 0 : cmd.y;
1013                         // we put here -1 and not button as now the button in the
1014                         // edit call should not be needed we will fix this in 1.3.x
1015                         // cycle hopefully (Jug 20020509)
1016                         // FIXME: GUII I've changed this to none: probably WRONG
1017                         if (!checkAndActivateInset(bv, cmd.x, tmp_y, mouse_button::none)) {
1018                                 lt->setCursorFromCoordinates(cmd.x - drawTextXOffset,
1019                                                                         cmd.y + insetAscent);
1020                                 lt->cursor.x_fix(lt->cursor.x());
1021                         }
1022                 }
1023
1024                 lt->clearSelection();
1025                 finishUndo();
1026
1027                 // If the inset is empty set the language of the current font to the
1028                 // language to the surronding text (if different).
1029                 if (paragraphs.begin()->empty() &&
1030                                 boost::next(paragraphs.begin()) == paragraphs.end()&&
1031                         bv->getParentLanguage(this) != lt->current_font.language())
1032                 {
1033                         LyXFont font(LyXFont::ALL_IGNORE);
1034                         font.setLanguage(bv->getParentLanguage(this));
1035                         setFont(bv, font, false);
1036                 }
1037
1038                 if (clear)
1039                         lt = 0;
1040                 int code = CURSOR;
1041                 if (drawFrame_ == LOCKED)
1042                         code = CURSOR | DRAW_FRAME;
1043
1044                 updateLocal(bv, code, false);
1045                 // Tell the paragraph dialog that we've entered an insettext.
1046                 bv->dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1047                 return DISPATCHED;
1048         }
1049
1050
1051         switch (cmd.action) {
1052                 case LFUN_MOUSE_PRESS:
1053                         lfunMousePress(cmd);
1054                         return DISPATCHED;
1055                 case LFUN_MOUSE_MOTION:
1056                         lfunMouseMotion(cmd);
1057                         return DISPATCHED;
1058                 case LFUN_MOUSE_RELEASE:
1059                         return lfunMouseRelease(cmd) ? DISPATCHED : UNDISPATCHED;
1060                 default:
1061                         break;
1062         }
1063
1064         bool was_empty = (paragraphs.begin()->empty() &&
1065                           boost::next(paragraphs.begin()) == paragraphs.end());
1066         no_selection = false;
1067         RESULT result = UpdatableInset::localDispatch(cmd);
1068         if (result != UNDISPATCHED)
1069                 return DISPATCHED;
1070
1071         result = DISPATCHED;
1072         if (cmd.action < 0 && cmd.argument.empty())
1073                 return FINISHED;
1074
1075         if (the_locking_inset) {
1076                 result = the_locking_inset->localDispatch(cmd);
1077                 if (result == DISPATCHED_NOUPDATE)
1078                         return result;
1079                 else if (result == DISPATCHED) {
1080                         updateLocal(bv, CURSOR_PAR, false);
1081                         return result;
1082                 } else if (result >= FINISHED) {
1083                         switch (result) {
1084                         case FINISHED_RIGHT:
1085                                 moveRightIntern(bv, false, false);
1086                                 result = DISPATCHED;
1087                                 break;
1088                         case FINISHED_UP:
1089                                 if ((result = moveUp(bv)) >= FINISHED) {
1090                                         updateLocal(bv, CURSOR, false);
1091                                         bv->unlockInset(this);
1092                                 }
1093                                 break;
1094                         case FINISHED_DOWN:
1095                                 if ((result = moveDown(bv)) >= FINISHED) {
1096                                         updateLocal(bv, CURSOR, false);
1097                                         bv->unlockInset(this);
1098                                 }
1099                                 break;
1100                         default:
1101                                 result = DISPATCHED;
1102                                 break;
1103                         }
1104                         the_locking_inset = 0;
1105                         updateLocal(bv, CURSOR, false);
1106                         // make sure status gets reset immediately
1107                         bv->owner()->clearMessage();
1108                         return result;
1109                 }
1110         }
1111         bool clear = false;
1112         if (!lt) {
1113                 lt = getLyXText(bv);
1114                 clear = true;
1115         }
1116         int updwhat = 0;
1117         int updflag = false;
1118
1119         // what type of update to do on a cursor movement
1120         int cursor_update = CURSOR;
1121
1122         if (lt->selection.set())
1123                 cursor_update = SELECTION;
1124
1125         switch (cmd.action) {
1126
1127         // Normal chars
1128         case LFUN_SELFINSERT:
1129                 if (bv->buffer()->isReadonly()) {
1130 //          setErrorMessage(N_("Document is read only"));
1131                         break;
1132                 }
1133                 if (!cmd.argument.empty()) {
1134                         /* Automatically delete the currently selected
1135                          * text and replace it with what is being
1136                          * typed in now. Depends on lyxrc settings
1137                          * "auto_region_delete", which defaults to
1138                          * true (on). */
1139 #if 0
1140                         // This should not be needed here and is also WRONG!
1141                         setUndo(bv, Undo::INSERT,
1142                                 lt->cursor.par(), boost::next(lt->cursor.par()));
1143 #endif
1144                         bv->switchKeyMap();
1145                         if (lyxrc.auto_region_delete) {
1146                                 if (lt->selection.set()) {
1147                                         lt->cutSelection(false, false);
1148                                 }
1149                         }
1150                         lt->clearSelection();
1151                         for (string::size_type i = 0; i < cmd.argument.length(); ++i) {
1152                                 bv->owner()->getIntl().getTransManager().
1153                                         TranslateAndInsert(cmd.argument[i], lt);
1154                         }
1155                 }
1156                 lt->selection.cursor = lt->cursor;
1157                 updwhat = CURSOR | CURSOR_PAR;
1158                 updflag = true;
1159                 result = DISPATCHED_NOUPDATE;
1160                 break;
1161
1162         // cursor movements that need special handling
1163
1164         case LFUN_RIGHT:
1165                 result = moveRight(bv);
1166                 finishUndo();
1167                 updwhat = cursor_update;
1168                 break;
1169         case LFUN_LEFT:
1170                 finishUndo();
1171                 result = moveLeft(bv);
1172                 updwhat = cursor_update;
1173                 break;
1174         case LFUN_DOWN:
1175                 finishUndo();
1176                 result = moveDown(bv);
1177                 updwhat = cursor_update;
1178                 break;
1179         case LFUN_UP:
1180                 finishUndo();
1181                 result = moveUp(bv);
1182                 updwhat = cursor_update;
1183                 break;
1184
1185         case LFUN_PRIOR:
1186                 if (crow(bv) == lt->rows().begin())
1187                         result = FINISHED_UP;
1188                 else {
1189                         lt->cursorPrevious();
1190                         lt->clearSelection();
1191                         result = DISPATCHED_NOUPDATE;
1192                 }
1193                 updwhat = cursor_update;
1194                 break;
1195
1196         case LFUN_NEXT:
1197                 if (boost::next(crow(bv)) == lt->rows().end())
1198                         result = FINISHED_DOWN;
1199                 else {
1200                         lt->cursorNext();
1201                         lt->clearSelection();
1202                         result = DISPATCHED_NOUPDATE;
1203                 }
1204                 updwhat = cursor_update;
1205                 break;
1206
1207         case LFUN_BACKSPACE: {
1208                 if (lt->selection.set())
1209                         lt->cutSelection(true, false);
1210                 else
1211                         lt->backspace();
1212                 updwhat = CURSOR_PAR;
1213                 updflag = true;
1214                 break;
1215         }
1216
1217         case LFUN_DELETE: {
1218                 if (lt->selection.set()) {
1219                         lt->cutSelection(true, false);
1220                 } else {
1221                         lt->Delete();
1222                 }
1223                 updwhat = CURSOR_PAR;
1224                 updflag = true;
1225                 break;
1226         }
1227
1228         case LFUN_CUT: {
1229                 lt->cutSelection(bv);
1230                 updwhat = CURSOR_PAR;
1231                 updflag = true;
1232                 break;
1233         }
1234
1235         case LFUN_COPY:
1236                 finishUndo();
1237                 lt->copySelection();
1238                 updwhat = CURSOR_PAR;
1239                 break;
1240
1241         case LFUN_PASTESELECTION:
1242         {
1243                 string const clip(bv->getClipboard());
1244
1245                 if (clip.empty())
1246                         break;
1247                 if (cmd.argument == "paragraph") {
1248                         lt->insertStringAsParagraphs(clip);
1249                 } else {
1250                         lt->insertStringAsLines(clip);
1251                 }
1252                 // bug 393
1253                 lt->clearSelection();
1254
1255                 updwhat = CURSOR_PAR;
1256                 updflag = true;
1257                 break;
1258         }
1259
1260         case LFUN_PASTE: {
1261                 if (!autoBreakRows) {
1262                         if (CutAndPaste::nrOfParagraphs() > 1) {
1263 #ifdef WITH_WARNINGS
1264 #warning FIXME horrendously bad UI
1265 #endif
1266                                 Alert::error(_("Paste failed"), _("Cannot include more than one paragraph."));
1267                                 break;
1268                         }
1269                 }
1270
1271                 lt->pasteSelection();
1272                 // bug 393
1273                 lt->clearSelection();
1274                 updwhat = CURSOR_PAR;
1275                 updflag = true;
1276                 break;
1277         }
1278
1279         case LFUN_BREAKPARAGRAPH:
1280                 if (!autoBreakRows) {
1281                         result = DISPATCHED;
1282                         break;
1283                 }
1284                 lt->breakParagraph(paragraphs, 0);
1285                 updwhat = CURSOR | FULL;
1286                 updflag = true;
1287                 break;
1288
1289         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1290                 if (!autoBreakRows) {
1291                         result = DISPATCHED;
1292                         break;
1293                 }
1294                 lt->breakParagraph(paragraphs, 1);
1295                 updwhat = CURSOR | FULL;
1296                 updflag = true;
1297                 break;
1298
1299         case LFUN_BREAKLINE: {
1300                 if (!autoBreakRows) {
1301                         result = DISPATCHED;
1302                         break;
1303                 }
1304
1305                 lt->insertInset(new InsetNewline);
1306                 updwhat = CURSOR | CURSOR_PAR;
1307                 updflag = true;
1308                 break;
1309         }
1310
1311         case LFUN_LAYOUT:
1312                 // do not set layouts on non breakable textinsets
1313                 if (autoBreakRows) {
1314                         string cur_layout = cpar(bv)->layout()->name();
1315
1316                         // Derive layout number from given argument (string)
1317                         // and current buffer's textclass (number). */
1318                         LyXTextClass const & tclass =
1319                                 bv->buffer()->params.getLyXTextClass();
1320                         string layout = cmd.argument;
1321                         bool hasLayout = tclass.hasLayout(layout);
1322
1323                         // If the entry is obsolete, use the new one instead.
1324                         if (hasLayout) {
1325                                 string const & obs =
1326                                         tclass[layout]->obsoleted_by();
1327                                 if (!obs.empty())
1328                                         layout = obs;
1329                         }
1330
1331                         // see if we found the layout number:
1332                         if (!hasLayout) {
1333                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
1334                                 bv->owner()->dispatch(lf);
1335                                 break;
1336                         }
1337
1338                         if (cur_layout != layout) {
1339                                 cur_layout = layout;
1340                                 lt->setLayout(layout);
1341                                 bv->owner()->setLayout(cpar(bv)->layout()->name());
1342                                 updwhat = CURSOR_PAR;
1343                                 updflag = true;
1344                         }
1345                 } else {
1346                         // reset the layout box
1347                         bv->owner()->setLayout(cpar(bv)->layout()->name());
1348                 }
1349                 break;
1350         case LFUN_PARAGRAPH_SPACING:
1351                 // This one is absolutely not working. When fiddling with this
1352                 // it also seems to me that the paragraphs inside the insettext
1353                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1354                 // FIXME: how old is this comment ? ...
1355         {
1356                 ParagraphList::iterator pit = lt->cursor.par();
1357                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
1358                 float cur_value = 1.0;
1359                 if (cur_spacing == Spacing::Other) {
1360                         cur_value = pit->params().spacing().getValue();
1361                 }
1362
1363                 istringstream istr(STRCONV(cmd.argument));
1364                 string tmp;
1365                 istr >> tmp;
1366                 Spacing::Space new_spacing = cur_spacing;
1367                 float new_value = cur_value;
1368                 if (tmp.empty()) {
1369                         lyxerr << "Missing argument to `paragraph-spacing'"
1370                                    << endl;
1371                 } else if (tmp == "single") {
1372                         new_spacing = Spacing::Single;
1373                 } else if (tmp == "onehalf") {
1374                         new_spacing = Spacing::Onehalf;
1375                 } else if (tmp == "double") {
1376                         new_spacing = Spacing::Double;
1377                 } else if (tmp == "other") {
1378                         new_spacing = Spacing::Other;
1379                         float tmpval = 0.0;
1380                         istr >> tmpval;
1381                         lyxerr << "new_value = " << tmpval << endl;
1382                         if (tmpval != 0.0)
1383                                 new_value = tmpval;
1384                 } else if (tmp == "default") {
1385                         new_spacing = Spacing::Default;
1386                 } else {
1387                         lyxerr << _("Unknown spacing argument: ")
1388                                    << cmd.argument << endl;
1389                 }
1390                 if (cur_spacing != new_spacing || cur_value != new_value) {
1391                         pit->params().spacing(Spacing(new_spacing, new_value));
1392                         updwhat = CURSOR_PAR;
1393                         updflag = true;
1394                 }
1395         }
1396         break;
1397
1398         // These need to do repaints but don't require
1399         // special handling otherwise. A *lot* of the
1400         // above could probably be done similarly ...
1401
1402         case LFUN_HOME:
1403         case LFUN_END:
1404         case LFUN_WORDLEFT:
1405         case LFUN_WORDRIGHT:
1406         // these two are really unhandled ...
1407         case LFUN_ENDBUF:
1408         case LFUN_BEGINNINGBUF:
1409                 updwhat = cursor_update;
1410                 if (!bv->dispatch(cmd))
1411                         result = UNDISPATCHED;
1412                 break;
1413
1414         case LFUN_RIGHTSEL:
1415         case LFUN_UPSEL:
1416         case LFUN_DOWNSEL:
1417         case LFUN_LEFTSEL:
1418         case LFUN_HOMESEL:
1419         case LFUN_ENDSEL:
1420         case LFUN_WORDLEFTSEL:
1421         case LFUN_WORDRIGHTSEL:
1422                 updwhat = SELECTION;
1423
1424                 // fallthrough
1425
1426         default:
1427                 if (!bv->dispatch(cmd))
1428                         result = UNDISPATCHED;
1429                 break;
1430         }
1431
1432         if (clear)
1433                 lt = 0;
1434         if (updwhat > 0)
1435                 updateLocal(bv, updwhat, updflag);
1436         /// If the action has deleted all text in the inset, we need to change the
1437         // language to the language of the surronding text.
1438         if (!was_empty && paragraphs.begin()->empty() &&
1439             boost::next(paragraphs.begin()) == paragraphs.end()) {
1440                 LyXFont font(LyXFont::ALL_IGNORE);
1441                 font.setLanguage(bv->getParentLanguage(this));
1442                 setFont(bv, font, false);
1443         }
1444
1445         if (result >= FINISHED)
1446                 bv->unlockInset(this);
1447
1448         if (result == DISPATCHED_NOUPDATE && (need_update & FULL))
1449                 result = DISPATCHED;
1450         return result;
1451 }
1452
1453
1454 int InsetText::latex(Buffer const * buf, ostream & os, bool fragile, bool) const
1455 {
1456         TexRow texrow;
1457         latexParagraphs(buf, paragraphs, os, texrow, fragile);
1458         return texrow.rows();
1459 }
1460
1461
1462 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1463 {
1464         unsigned int lines = 0;
1465
1466         ParagraphList::iterator beg = paragraphs.begin();
1467         ParagraphList::iterator end = paragraphs.end();
1468         ParagraphList::iterator it = beg;
1469         for (; it != end; ++it) {
1470                 string const tmp = buf->asciiParagraph(*it, linelen, it == beg);
1471                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1472                 os << tmp;
1473         }
1474         return lines;
1475 }
1476
1477
1478 int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
1479 {
1480         unsigned int lines = 0;
1481
1482         vector<string> environment_stack(10);
1483         vector<string> environment_inner(10);
1484
1485         int const command_depth = 0;
1486         string item_name;
1487
1488         Paragraph::depth_type depth = 0; // paragraph depth
1489
1490         ParagraphList::iterator pit = paragraphs.begin();
1491         ParagraphList::iterator pend = paragraphs.end();
1492
1493         for (; pit != pend; ++pit) {
1494                 string sgmlparam;
1495                 int desc_on = 0; // description mode
1496
1497                 LyXLayout_ptr const & style = pit->layout();
1498
1499                 // environment tag closing
1500                 for (; depth > pit->params().depth(); --depth) {
1501                         if (environment_inner[depth] != "!-- --") {
1502                                 item_name = "listitem";
1503                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1504                                 if (environment_inner[depth] == "varlistentry")
1505                                         lines += sgml::closeTag(os, depth+command_depth, mixcont, environment_inner[depth]);
1506                         }
1507                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1508                         environment_stack[depth].erase();
1509                         environment_inner[depth].erase();
1510                 }
1511
1512                 if (depth == pit->params().depth()
1513                    && environment_stack[depth] != style->latexname()
1514                    && !environment_stack[depth].empty()) {
1515                         if (environment_inner[depth] != "!-- --") {
1516                                 item_name= "listitem";
1517                                 lines += sgml::closeTag(os, command_depth+depth, mixcont, item_name);
1518                                 if (environment_inner[depth] == "varlistentry")
1519                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1520                         }
1521
1522                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1523
1524                         environment_stack[depth].erase();
1525                         environment_inner[depth].erase();
1526                 }
1527
1528                 // Write opening SGML tags.
1529                 switch (style->latextype) {
1530                 case LATEX_PARAGRAPH:
1531                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1532                         break;
1533
1534                 case LATEX_COMMAND:
1535                         buf->sgmlError(&*pit, 0,  _("Error: LatexType Command not allowed here.\n"));
1536                         return -1;
1537                         break;
1538
1539                 case LATEX_ENVIRONMENT:
1540                 case LATEX_ITEM_ENVIRONMENT:
1541                         if (depth < pit->params().depth()) {
1542                                 depth = pit->params().depth();
1543                                 environment_stack[depth].erase();
1544                         }
1545
1546                         if (environment_stack[depth] != style->latexname()) {
1547                                 if (environment_stack.size() == depth + 1) {
1548                                         environment_stack.push_back("!-- --");
1549                                         environment_inner.push_back("!-- --");
1550                                 }
1551                                 environment_stack[depth] = style->latexname();
1552                                 environment_inner[depth] = "!-- --";
1553                                 lines += sgml::openTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1554                         } else {
1555                                 if (environment_inner[depth] != "!-- --") {
1556                                         item_name= "listitem";
1557                                         lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1558                                         if (environment_inner[depth] == "varlistentry")
1559                                                 lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1560                                 }
1561                         }
1562
1563                         if (style->latextype == LATEX_ENVIRONMENT) {
1564                                 if (!style->latexparam().empty()) {
1565                                         if (style->latexparam() == "CDATA")
1566                                                 os << "<![CDATA[";
1567                                         else
1568                                           lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexparam());
1569                                 }
1570                                 break;
1571                         }
1572
1573                         desc_on = (style->labeltype == LABEL_MANUAL);
1574
1575                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1576                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
1577
1578                         item_name = desc_on ? "term" : "para";
1579                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, item_name);
1580
1581                         break;
1582                 default:
1583                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1584                         break;
1585                 }
1586
1587                 buf->simpleDocBookOnePar(os, pit, desc_on, depth + 1 + command_depth);
1588
1589                 string end_tag;
1590                 // write closing SGML tags
1591                 switch (style->latextype) {
1592                 case LATEX_ENVIRONMENT:
1593                         if (!style->latexparam().empty()) {
1594                                 if (style->latexparam() == "CDATA")
1595                                         os << "]]>";
1596                                 else
1597                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexparam());
1598                         }
1599                         break;
1600                 case LATEX_ITEM_ENVIRONMENT:
1601                         if (desc_on == 1) break;
1602                         end_tag= "para";
1603                         lines += sgml::closeTag(os, depth + 1 + command_depth, mixcont, end_tag);
1604                         break;
1605                 case LATEX_PARAGRAPH:
1606                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1607                         break;
1608                 default:
1609                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1610                         break;
1611                 }
1612         }
1613
1614         // Close open tags
1615         for (int d = depth; d >= 0; --d) {
1616                 if (!environment_stack[depth].empty()) {
1617                         if (environment_inner[depth] != "!-- --") {
1618                                 item_name = "listitem";
1619                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1620                                if (environment_inner[depth] == "varlistentry")
1621                                        lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1622                         }
1623
1624                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1625                 }
1626         }
1627
1628         return lines;
1629 }
1630
1631
1632 void InsetText::validate(LaTeXFeatures & features) const
1633 {
1634         for_each(paragraphs.begin(), paragraphs.end(),
1635                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1636 }
1637
1638
1639 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
1640 {
1641         if (the_locking_inset) {
1642                 the_locking_inset->getCursor(bv, x, y);
1643                 return;
1644         }
1645         x = cx(&bv);
1646         y = cy(&bv) + InsetText::y();
1647 }
1648
1649
1650 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
1651 {
1652         if (the_locking_inset) {
1653                 the_locking_inset->getCursorPos(bv, x, y);
1654                 return;
1655         }
1656         x = cx(bv) - top_x - TEXT_TO_INSET_OFFSET;
1657         y = cy(bv) - TEXT_TO_INSET_OFFSET;
1658 }
1659
1660
1661 int InsetText::insetInInsetY() const
1662 {
1663         if (!the_locking_inset)
1664                 return 0;
1665
1666         return (inset_y + the_locking_inset->insetInInsetY());
1667 }
1668
1669
1670 void InsetText::fitInsetCursor(BufferView * bv) const
1671 {
1672         if (the_locking_inset) {
1673                 the_locking_inset->fitInsetCursor(bv);
1674                 return;
1675         }
1676         LyXFont const font =
1677                 getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1678
1679         int const asc = font_metrics::maxAscent(font);
1680         int const desc = font_metrics::maxDescent(font);
1681
1682         if (bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc))
1683                 need_update |= FULL;
1684 }
1685
1686
1687 Inset::RESULT
1688 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1689 {
1690         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1691                 return moveLeftIntern(bv, false, activate_inset, selecting);
1692         else
1693                 return moveRightIntern(bv, true, activate_inset, selecting);
1694 }
1695
1696
1697 Inset::RESULT
1698 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1699 {
1700         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1701                 return moveRightIntern(bv, true, activate_inset, selecting);
1702         else
1703                 return moveLeftIntern(bv, false, activate_inset, selecting);
1704 }
1705
1706
1707 Inset::RESULT
1708 InsetText::moveRightIntern(BufferView * bv, bool front,
1709                            bool activate_inset, bool selecting)
1710 {
1711         LyXText * text = getLyXText(bv);
1712
1713         ParagraphList::iterator c_par = cpar(bv);
1714
1715         if (boost::next(c_par) == paragraphs.end() &&
1716             (cpos(bv) >= c_par->size()))
1717                 return FINISHED_RIGHT;
1718         if (activate_inset && checkAndActivateInset(bv, front))
1719                 return DISPATCHED;
1720         text->cursorRight(bv);
1721         if (!selecting)
1722                 text->clearSelection();
1723         return DISPATCHED_NOUPDATE;
1724 }
1725
1726
1727 Inset::RESULT
1728 InsetText::moveLeftIntern(BufferView * bv, bool front,
1729                           bool activate_inset, bool selecting)
1730 {
1731         LyXText * text = getLyXText(bv);
1732
1733         if (cpar(bv) == paragraphs.begin() && (cpos(bv) <= 0))
1734                 return FINISHED;
1735         text->cursorLeft(bv);
1736         if (!selecting)
1737                 text->clearSelection();
1738         if (activate_inset && checkAndActivateInset(bv, front))
1739                 return DISPATCHED;
1740         return DISPATCHED_NOUPDATE;
1741 }
1742
1743
1744 Inset::RESULT InsetText::moveUp(BufferView * bv)
1745 {
1746         if (crow(bv) == getLyXText(bv)->rows().begin())
1747                 return FINISHED_UP;
1748         getLyXText(bv)->cursorUp(bv);
1749         getLyXText(bv)->clearSelection();
1750         return DISPATCHED_NOUPDATE;
1751 }
1752
1753
1754 Inset::RESULT InsetText::moveDown(BufferView * bv)
1755 {
1756         if (boost::next(crow(bv)) == getLyXText(bv)->rows().end())
1757                 return FINISHED_DOWN;
1758         getLyXText(bv)->cursorDown(bv);
1759         getLyXText(bv)->clearSelection();
1760         return DISPATCHED_NOUPDATE;
1761 }
1762
1763
1764 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1765 {
1766         if (the_locking_inset) {
1767                 if (the_locking_inset->insetAllowed(inset))
1768                         return the_locking_inset->insertInset(bv, inset);
1769                 return false;
1770         }
1771         inset->setOwner(this);
1772         getLyXText(bv)->insertInset(inset);
1773         bv->fitCursor();
1774         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1775         return true;
1776 }
1777
1778
1779 bool InsetText::insetAllowed(Inset::Code code) const
1780 {
1781         // in_insetAllowed is a really gross hack,
1782         // to allow us to call the owner's insetAllowed
1783         // without stack overflow, which can happen
1784         // when the owner uses InsetCollapsable::insetAllowed()
1785         bool ret = true;
1786         if (in_insetAllowed)
1787                 return ret;
1788         in_insetAllowed = true;
1789         if (the_locking_inset)
1790                 ret = the_locking_inset->insetAllowed(code);
1791         else if (owner())
1792                 ret = owner()->insetAllowed(code);
1793         in_insetAllowed = false;
1794         return ret;
1795 }
1796
1797
1798 UpdatableInset * InsetText::getLockingInset() const
1799 {
1800         return the_locking_inset ? the_locking_inset->getLockingInset() :
1801                 const_cast<InsetText *>(this);
1802 }
1803
1804
1805 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1806 {
1807         if (c == lyxCode())
1808                 return this;
1809         if (the_locking_inset)
1810                 return the_locking_inset->getFirstLockingInsetOfType(c);
1811         return 0;
1812 }
1813
1814
1815 bool InsetText::showInsetDialog(BufferView * bv) const
1816 {
1817         if (the_locking_inset)
1818                 return the_locking_inset->showInsetDialog(bv);
1819         return false;
1820 }
1821
1822
1823 vector<string> const InsetText::getLabelList() const
1824 {
1825         vector<string> label_list;
1826
1827         ParagraphList::iterator pit = paragraphs.begin();
1828         ParagraphList::iterator pend = paragraphs.end();
1829         for (; pit != pend; ++pit) {
1830                 InsetList::iterator beg = pit->insetlist.begin();
1831                 InsetList::iterator end = pit->insetlist.end();
1832                 for (; beg != end; ++beg) {
1833                         vector<string> const l = beg.getInset()->getLabelList();
1834                         label_list.insert(label_list.end(), l.begin(), l.end());
1835                 }
1836         }
1837         return label_list;
1838 }
1839
1840
1841 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1842                         bool selectall)
1843 {
1844         if (the_locking_inset) {
1845                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1846                 return;
1847         }
1848         if ((boost::next(paragraphs.begin()) == paragraphs.end() &&
1849              paragraphs.begin()->empty()) || cpar(bv)->empty()) {
1850                 getLyXText(bv)->setFont(font, toggleall);
1851                 return;
1852         }
1853         bool clear = false;
1854         if (!lt) {
1855                 lt = getLyXText(bv);
1856                 clear = true;
1857         }
1858         if (lt->selection.set()) {
1859                 setUndo(bv, Undo::EDIT, lt->cursor.par(), boost::next(lt->cursor.par()));
1860         }
1861         if (selectall)
1862                 selectAll(bv);
1863         lt->toggleFree(font, toggleall);
1864         if (selectall)
1865                 lt->clearSelection();
1866         bv->fitCursor();
1867         bool flag = (selectall || lt->selection.set());
1868         if (clear)
1869                 lt = 0;
1870         if (flag)
1871                 updateLocal(bv, FULL, true);
1872         else
1873                 updateLocal(bv, CURSOR_PAR, true);
1874 }
1875
1876
1877 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1878 {
1879         if (cpar(bv)->isInset(cpos(bv))) {
1880                 Inset * inset =
1881                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1882                 if (!isHighlyEditableInset(inset))
1883                         return false;
1884                 FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1885                 inset->localDispatch(cmd);
1886                 if (!the_locking_inset)
1887                         return false;
1888                 updateLocal(bv, CURSOR, false);
1889                 return true;
1890         }
1891         return false;
1892 }
1893
1894
1895 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1896                                       mouse_button::state button)
1897 {
1898         x -= drawTextXOffset;
1899         int dummyx = x;
1900         int dummyy = y + insetAscent;
1901         Inset * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1902         // we only do the edit() call if the inset was hit by the mouse
1903         // or if it is a highly editable inset. So we should call this
1904         // function from our own edit with button < 0.
1905         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1906         // WRONG
1907         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1908                 return false;
1909
1910         if (inset) {
1911                 if (x < 0)
1912                         x = insetWidth;
1913                 if (y < 0)
1914                         y = insetDescent;
1915                 inset_x = cix(bv) - top_x + drawTextXOffset;
1916                 inset_y = ciy(bv) + drawTextYOffset;
1917                 FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1918                 inset->localDispatch(cmd);
1919                 if (!the_locking_inset)
1920                         return false;
1921                 updateLocal(bv, CURSOR, false);
1922                 return true;
1923         }
1924         return false;
1925 }
1926
1927
1928 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1929 {
1930 #if 0
1931         int w = UpdatableInset::getMaxWidth(bv, inset);
1932         if (w < 0) {
1933                 return -1;
1934         }
1935         if (owner()) {
1936                 w = w - top_x + owner()->x();
1937                 return w;
1938         }
1939         w -= (2 * TEXT_TO_INSET_OFFSET);
1940         return w - top_x;
1941 #else
1942         return UpdatableInset::getMaxWidth(bv, inset);
1943 #endif
1944 }
1945
1946
1947 void InsetText::setParagraphData(ParagraphList const & plist, bool same_id)
1948 {
1949         // we have to unlock any locked inset otherwise we're in troubles
1950         the_locking_inset = 0;
1951
1952         paragraphs.clear();
1953         ParagraphList::iterator pit = plist.begin();
1954         ParagraphList::iterator pend = plist.end();
1955         for (; pit != pend; ++pit) {
1956                 Paragraph * new_par = new Paragraph(*pit, same_id);
1957                 new_par->setInsetOwner(this);
1958                 paragraphs.push_back(new_par);
1959         }
1960
1961         reinitLyXText();
1962         need_update = INIT;
1963 }
1964
1965
1966 void InsetText::markNew(bool track_changes)
1967 {
1968         ParagraphList::iterator pit = paragraphs.begin();
1969         ParagraphList::iterator pend = paragraphs.end();
1970         for (; pit != pend; ++pit) {
1971                 if (track_changes) {
1972                         pit->trackChanges();
1973                 } else {
1974                         // no-op when not tracking
1975                         pit->cleanChanges();
1976                 }
1977         }
1978 }
1979
1980
1981 void InsetText::setText(string const & data, LyXFont const & font)
1982 {
1983         clear(false);
1984         for (unsigned int i = 0; i < data.length(); ++i)
1985                 paragraphs.begin()->insertChar(i, data[i], font);
1986         reinitLyXText();
1987 }
1988
1989
1990 void InsetText::setAutoBreakRows(bool flag)
1991 {
1992         if (flag != autoBreakRows) {
1993                 autoBreakRows = flag;
1994                 if (!flag)
1995                         removeNewlines();
1996                 need_update = INIT;
1997         }
1998 }
1999
2000
2001 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
2002 {
2003         if (how != drawFrame_) {
2004                 drawFrame_ = how;
2005                 if (bv)
2006                         updateLocal(bv, DRAW_FRAME, false);
2007         }
2008 }
2009
2010
2011 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
2012 {
2013         if (frame_color != col) {
2014                 frame_color = col;
2015                 if (bv)
2016                         updateLocal(bv, DRAW_FRAME, false);
2017         }
2018 }
2019
2020
2021 int InsetText::cx(BufferView * bv) const
2022 {
2023         // we do nothing dangerous so we use a local cache
2024         LyXText * llt = getLyXText(bv);
2025         int x = llt->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
2026         if (the_locking_inset) {
2027                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2028                                             llt->cursor.pos());
2029                 if (font.isVisibleRightToLeft())
2030                         x -= the_locking_inset->width(bv, font);
2031         }
2032         return x;
2033 }
2034
2035
2036 int InsetText::cix(BufferView * bv) const
2037 {
2038         // we do nothing dangerous so we use a local cache
2039         LyXText * llt = getLyXText(bv);
2040         int x = llt->cursor.ix() + top_x + TEXT_TO_INSET_OFFSET;
2041         if (the_locking_inset) {
2042                 LyXFont font = llt->getFont(bv->buffer(), llt->cursor.par(),
2043                                             llt->cursor.pos());
2044                 if (font.isVisibleRightToLeft())
2045                         x -= the_locking_inset->width(bv, font);
2046         }
2047         return x;
2048 }
2049
2050
2051 int InsetText::cy(BufferView * bv) const
2052 {
2053         LyXFont font;
2054         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2055 }
2056
2057
2058 int InsetText::ciy(BufferView * bv) const
2059 {
2060         LyXFont font;
2061         return getLyXText(bv)->cursor.iy() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
2062 }
2063
2064
2065 pos_type InsetText::cpos(BufferView * bv) const
2066 {
2067         return getLyXText(bv)->cursor.pos();
2068 }
2069
2070
2071 ParagraphList::iterator InsetText::cpar(BufferView * bv) const
2072 {
2073         return getLyXText(bv)->cursor.par();
2074 }
2075
2076
2077 bool InsetText::cboundary(BufferView * bv) const
2078 {
2079         return getLyXText(bv)->cursor.boundary();
2080 }
2081
2082
2083 RowList::iterator InsetText::crow(BufferView * bv) const
2084 {
2085         return getLyXText(bv)->cursor.row();
2086 }
2087
2088
2089 LyXText * InsetText::getLyXText(BufferView const * lbv,
2090                                 bool const recursive) const
2091 {
2092         if (cached_bview == lbv) {
2093                 if (recursive && the_locking_inset)
2094                         return the_locking_inset->getLyXText(lbv, true);
2095                 LyXText * lt = cached_text.get();
2096                 lyx::Assert(lt && lt->rows().begin()->par() == paragraphs.begin());
2097                 return lt;
2098         }
2099         // Super UGLY! (Lgb)
2100         BufferView * bv = const_cast<BufferView *>(lbv);
2101
2102         cached_bview = bv;
2103         Cache::iterator it = cache.find(bv);
2104
2105         if (it != cache.end()) {
2106                 if (do_reinit) {
2107                         reinitLyXText();
2108                 } else if (do_resize) {
2109                         resizeLyXText(do_resize);
2110                 } else {
2111                         if (lt || !it->second.remove) {
2112                                 lyx::Assert(it->second.text.get());
2113                                 cached_text = it->second.text;
2114                                 if (recursive && the_locking_inset) {
2115                                         return the_locking_inset->getLyXText(bv, true);
2116                                 }
2117                                 return cached_text.get();
2118                         } else if (it->second.remove) {
2119                                 if (locked) {
2120                                         saveLyXTextState(it->second.text.get());
2121                                 } else {
2122                                         sstate.lpar = 0;
2123                                 }
2124                         }
2125                         //
2126                         // when we have to reinit the existing LyXText!
2127                         //
2128                         it->second.text->init(bv);
2129                         restoreLyXTextState(it->second.text.get());
2130                         it->second.remove = false;
2131                 }
2132                 cached_text = it->second.text;
2133                 if (the_locking_inset && recursive) {
2134                         return the_locking_inset->getLyXText(bv);
2135                 }
2136                 return cached_text.get();
2137         }
2138         ///
2139         // we are here only if we don't have a BufferView * in the cache!!!
2140         ///
2141         cached_text.reset(new LyXText(bv, const_cast<InsetText *>(this)));
2142         cached_text->init(bv);
2143         restoreLyXTextState(cached_text.get());
2144
2145         cache.insert(make_pair(bv, cached_text));
2146
2147         if (the_locking_inset && recursive) {
2148                 return the_locking_inset->getLyXText(bv);
2149         }
2150         return cached_text.get();
2151 }
2152
2153
2154 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
2155 {
2156         cached_bview = 0;
2157
2158         Cache::iterator it = cache.find(bv);
2159
2160         if (it == cache.end()) {
2161                 return;
2162         }
2163
2164         lyx::Assert(it->second.text.get());
2165
2166         it->second.remove = true;
2167         if (recursive) {
2168                 /// then remove all LyXText in text-insets
2169                 for_each(paragraphs.begin(), paragraphs.end(),
2170                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
2171         }
2172 }
2173
2174
2175 void InsetText::resizeLyXText(BufferView * bv, bool force) const
2176 {
2177         if (lt) {
2178                 // we cannot resize this because we are in use!
2179                 // so do this on the next possible getLyXText()
2180                 do_resize = bv;
2181                 return;
2182         }
2183         do_resize = 0;
2184         if (boost::next(paragraphs.begin()) == paragraphs.end() &&
2185             paragraphs.begin()->empty()) { // no data, resize not neccessary!
2186                 // we have to do this as a fixed width may have changed!
2187                 LyXText * t = getLyXText(bv);
2188                 saveLyXTextState(t);
2189                 t->init(bv, true);
2190                 restoreLyXTextState(t);
2191                 return;
2192         }
2193         // one endless line, resize normally not necessary
2194         if (!force && getMaxWidth(bv, this) < 0)
2195                 return;
2196
2197         Cache::iterator it = cache.find(bv);
2198         if (it == cache.end()) {
2199                 return;
2200         }
2201         lyx::Assert(it->second.text.get());
2202
2203         LyXText * t = it->second.text.get();
2204         saveLyXTextState(t);
2205
2206         for_each(paragraphs.begin(), paragraphs.end(),
2207                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2208
2209         t->init(bv, true);
2210         restoreLyXTextState(t);
2211         if (the_locking_inset) {
2212                 inset_x = cix(bv) - top_x + drawTextXOffset;
2213                 inset_y = ciy(bv) + drawTextYOffset;
2214         }
2215
2216         t->top_y(bv->screen().topCursorVisible(t->cursor, t->top_y()));
2217         if (!owner()) {
2218                 const_cast<InsetText*>(this)->updateLocal(bv, FULL, false);
2219                 // this will scroll the screen such that the cursor becomes visible
2220                 bv->updateScrollbar();
2221         } else {
2222                 need_update |= FULL;
2223         }
2224 }
2225
2226
2227 void InsetText::reinitLyXText() const
2228 {
2229         if (lt) {
2230                 // we cannot resize this because we are in use!
2231                 // so do this on the next possible getLyXText()
2232                 do_reinit = true;
2233                 return;
2234         }
2235         do_reinit = false;
2236         do_resize = 0;
2237         for (Cache::iterator it = cache.begin(); it != cache.end(); ++it) {
2238                 lyx::Assert(it->second.text.get());
2239
2240                 LyXText * t = it->second.text.get();
2241                 BufferView * bv = it->first;
2242
2243                 saveLyXTextState(t);
2244
2245                 for_each(paragraphs.begin(), paragraphs.end(),
2246                          boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
2247
2248                 t->init(bv, true);
2249                 restoreLyXTextState(t);
2250                 if (the_locking_inset) {
2251                         inset_x = cix(bv) - top_x + drawTextXOffset;
2252                         inset_y = ciy(bv) + drawTextYOffset;
2253                 }
2254                 t->top_y(bv->screen().topCursorVisible(t->cursor, t->top_y()));
2255                 if (!owner()) {
2256                         const_cast<InsetText*>(this)->updateLocal(bv, FULL, false);
2257                         // this will scroll the screen such that the cursor becomes visible
2258                         bv->updateScrollbar();
2259                 } else {
2260                         need_update = FULL;
2261                 }
2262         }
2263 }
2264
2265
2266 void InsetText::removeNewlines()
2267 {
2268         bool changed = false;
2269
2270         ParagraphList::iterator it = paragraphs.begin();
2271         ParagraphList::iterator end = paragraphs.end();
2272         for (; it != end; ++it) {
2273                 for (int i = 0; i < it->size(); ++i) {
2274                         if (it->isNewline(i)) {
2275                                 changed = true;
2276                                 it->erase(i);
2277                         }
2278                 }
2279         }
2280         if (changed)
2281                 reinitLyXText();
2282 }
2283
2284
2285 bool InsetText::nodraw() const
2286 {
2287         if (the_locking_inset)
2288                 return the_locking_inset->nodraw();
2289         return UpdatableInset::nodraw();
2290 }
2291
2292
2293 int InsetText::scroll(bool recursive) const
2294 {
2295         int sx = UpdatableInset::scroll(false);
2296
2297         if (recursive && the_locking_inset)
2298                 sx += the_locking_inset->scroll(recursive);
2299
2300         return sx;
2301 }
2302
2303
2304 void InsetText::selectAll(BufferView * bv)
2305 {
2306         getLyXText(bv)->cursorTop();
2307         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
2308         getLyXText(bv)->cursorBottom();
2309         getLyXText(bv)->setSelection();
2310 }
2311
2312
2313 void InsetText::clearSelection(BufferView * bv)
2314 {
2315         getLyXText(bv)->clearSelection();
2316 }
2317
2318
2319 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
2320 {
2321         Painter & pain = bv->painter();
2322         int w = insetWidth;
2323         int h = insetAscent + insetDescent;
2324         int ty = baseline - insetAscent;
2325
2326         if (ty < 0) {
2327                 h += ty;
2328                 ty = 0;
2329         }
2330         if ((ty + h) > pain.paperHeight())
2331                 h = pain.paperHeight();
2332         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
2333                 w = pain.paperWidth();
2334         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
2335         need_update = FULL;
2336 }
2337
2338
2339 ParagraphList * InsetText::getParagraphs(int i) const
2340 {
2341         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
2342 }
2343
2344
2345 LyXCursor const & InsetText::cursor(BufferView * bv) const
2346 {
2347         if (the_locking_inset)
2348                 return the_locking_inset->cursor(bv);
2349         return getLyXText(bv)->cursor;
2350 }
2351
2352
2353 void InsetText::paragraph(Paragraph * p)
2354 {
2355         // GENERAL COMMENT: We don't have to free the old paragraphs as the
2356         // caller of this function has to take care of it. This IS important
2357         // as we could have to insert a paragraph before this one and just
2358         // link the actual to a new ones next and set it with this function
2359         // and are done!
2360         paragraphs.set(p);
2361         // set ourself as owner for all the paragraphs inserted!
2362         for_each(paragraphs.begin(), paragraphs.end(),
2363                  boost::bind(&Paragraph::setInsetOwner, _1, this));
2364
2365         reinitLyXText();
2366         // redraw myself when asked for
2367         need_update = INIT;
2368 }
2369
2370
2371 Inset * InsetText::getInsetFromID(int id_arg) const
2372 {
2373         if (id_arg == id())
2374                 return const_cast<InsetText *>(this);
2375
2376         ParagraphList::iterator pit = paragraphs.begin();
2377         ParagraphList::iterator pend = paragraphs.end();
2378         for (; pit != pend; ++pit) {
2379                 InsetList::iterator it = pit->insetlist.begin();
2380                 InsetList::iterator end = pit->insetlist.end();
2381                 for (; it != end; ++it) {
2382                         if (it.getInset()->id() == id_arg)
2383                                 return it.getInset();
2384                         Inset * in = it.getInset()->getInsetFromID(id_arg);
2385                         if (in)
2386                                 return in;
2387                 }
2388         }
2389         return 0;
2390 }
2391
2392
2393 WordLangTuple const
2394 InsetText::selectNextWordToSpellcheck(BufferView * bv,
2395                                       float & value) const
2396 {
2397         bool clear = false;
2398         WordLangTuple word;
2399
2400         if (!lt) {
2401                 lt = getLyXText(bv);
2402                 clear = true;
2403         }
2404         if (the_locking_inset) {
2405                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
2406                 if (!word.word().empty()) {
2407                         value += cy(bv);
2408                         if (clear)
2409                                 lt = 0;
2410                         return word;
2411                 }
2412                 // we have to go on checking so move cursor to the next char
2413                 lt->cursor.pos(lt->cursor.pos() + 1);
2414         }
2415         word = lt->selectNextWordToSpellcheck(value);
2416         if (word.word().empty())
2417                 bv->unlockInset(const_cast<InsetText *>(this));
2418         else
2419                 value = cy(bv);
2420         if (clear)
2421                 lt = 0;
2422         return word;
2423 }
2424
2425
2426 void InsetText::selectSelectedWord(BufferView * bv)
2427 {
2428         if (the_locking_inset) {
2429                 the_locking_inset->selectSelectedWord(bv);
2430                 return;
2431         }
2432         getLyXText(bv)->selectSelectedWord();
2433         updateLocal(bv, SELECTION, false);
2434 }
2435
2436
2437 void InsetText::toggleSelection(BufferView * bv, bool kill_selection)
2438 {
2439         if (the_locking_inset) {
2440                 the_locking_inset->toggleSelection(bv, kill_selection);
2441         }
2442         bool clear = false;
2443         if (!lt) {
2444                 lt = getLyXText(bv);
2445                 clear = true;
2446         }
2447
2448         int x = top_x + TEXT_TO_INSET_OFFSET;
2449
2450         RowList::iterator rowit = lt->rows().begin();
2451         RowList::iterator end = lt->rows().end();
2452         int y_offset = top_baseline - rowit->ascent_of_text();
2453         int y = y_offset;
2454         while ((rowit != end) && ((y + rowit->height()) <= 0)) {
2455                 y += rowit->height();
2456                 ++rowit;
2457         }
2458         if (y_offset < 0)
2459                 y_offset = y;
2460
2461         if (need_update & SELECTION)
2462                 need_update = NONE;
2463         bv->screen().toggleSelection(lt, bv, kill_selection, y_offset, x);
2464         if (clear)
2465                 lt = 0;
2466 }
2467
2468
2469 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
2470 {
2471         bool clear = false;
2472         if (!lt) {
2473                 lt = getLyXText(bv);
2474                 clear = true;
2475         }
2476         if (the_locking_inset) {
2477                 if (the_locking_inset->nextChange(bv, length))
2478                         return true;
2479                 lt->cursorRight(true);
2480         }
2481         lyxfind::SearchResult result =
2482                 lyxfind::findNextChange(bv, lt, length);
2483
2484         if (result == lyxfind::SR_FOUND) {
2485                 LyXCursor cur = lt->cursor;
2486                 bv->unlockInset(bv->theLockingInset());
2487                 if (bv->lockInset(this))
2488                         locked = true;
2489                 lt->cursor = cur;
2490                 lt->setSelectionRange(length);
2491                 updateLocal(bv, SELECTION, false);
2492         }
2493         if (clear)
2494                 lt = 0;
2495         return result != lyxfind::SR_NOT_FOUND;
2496 }
2497
2498
2499 bool InsetText::searchForward(BufferView * bv, string const & str,
2500                               bool cs, bool mw)
2501 {
2502         bool clear = false;
2503         if (!lt) {
2504                 lt = getLyXText(bv);
2505                 clear = true;
2506         }
2507         if (the_locking_inset) {
2508                 if (the_locking_inset->searchForward(bv, str, cs, mw))
2509                         return true;
2510                 lt->cursorRight(true);
2511         }
2512         lyxfind::SearchResult result =
2513                 lyxfind::LyXFind(bv, lt, str, true, cs, mw);
2514
2515         if (result == lyxfind::SR_FOUND) {
2516                 LyXCursor cur = lt->cursor;
2517                 bv->unlockInset(bv->theLockingInset());
2518                 if (bv->lockInset(this))
2519                         locked = true;
2520                 lt->cursor = cur;
2521                 lt->setSelectionRange(str.length());
2522                 updateLocal(bv, SELECTION, false);
2523         }
2524         if (clear)
2525                 lt = 0;
2526         return (result != lyxfind::SR_NOT_FOUND);
2527 }
2528
2529 bool InsetText::searchBackward(BufferView * bv, string const & str,
2530                                bool cs, bool mw)
2531 {
2532         if (the_locking_inset) {
2533                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
2534                         return true;
2535         }
2536         bool clear = false;
2537         if (!lt) {
2538                 lt = getLyXText(bv);
2539                 clear = true;
2540         }
2541         if (!locked) {
2542                 ParagraphList::iterator pit = paragraphs.begin();
2543                 ParagraphList::iterator pend = paragraphs.end();
2544
2545                 while (boost::next(pit) != pend)
2546                         ++pit;
2547
2548                 lt->setCursor(pit, pit->size());
2549         }
2550         lyxfind::SearchResult result =
2551                 lyxfind::LyXFind(bv, lt, str, false, cs, mw);
2552
2553         if (result == lyxfind::SR_FOUND) {
2554                 LyXCursor cur = lt->cursor;
2555                 bv->unlockInset(bv->theLockingInset());
2556                 if (bv->lockInset(this))
2557                         locked = true;
2558                 lt->cursor = cur;
2559                 lt->setSelectionRange(str.length());
2560                 updateLocal(bv, SELECTION, false);
2561         }
2562         if (clear)
2563                 lt = 0;
2564         return (result != lyxfind::SR_NOT_FOUND);
2565 }
2566
2567
2568 bool InsetText::checkInsertChar(LyXFont & font)
2569 {
2570         if (owner())
2571                 return owner()->checkInsertChar(font);
2572         return true;
2573 }
2574
2575
2576 void InsetText::collapseParagraphs(BufferView * bv)
2577 {
2578         LyXText * llt = getLyXText(bv);
2579
2580         while (boost::next(paragraphs.begin()) != paragraphs.end()) {
2581                 if (!paragraphs.begin()->empty() &&
2582                     !boost::next(paragraphs.begin())->empty() &&
2583                         !paragraphs.begin()->isSeparator(paragraphs.begin()->size() - 1))
2584                 {
2585                         paragraphs.begin()->insertChar(paragraphs.begin()->size(), ' ');
2586                 }
2587                 if (llt->selection.set()) {
2588                         if (llt->selection.start.par() == boost::next(paragraphs.begin())) {
2589                                 llt->selection.start.par(paragraphs.begin());
2590                                 llt->selection.start.pos(
2591                                         llt->selection.start.pos() + paragraphs.begin()->size());
2592                         }
2593                         if (llt->selection.end.par() == boost::next(paragraphs.begin())) {
2594                                 llt->selection.end.par(paragraphs.begin());
2595                                 llt->selection.end.pos(
2596                                         llt->selection.end.pos() + paragraphs.begin()->size());
2597                         }
2598                 }
2599                 mergeParagraph(bv->buffer()->params, paragraphs, paragraphs.begin());
2600         }
2601         reinitLyXText();
2602 }
2603
2604
2605 void InsetText::getDrawFont(LyXFont & font) const
2606 {
2607         if (!owner())
2608                 return;
2609         owner()->getDrawFont(font);
2610 }
2611
2612
2613 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
2614 {
2615 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
2616 // And it probably does. You have to take a look at this John. (Lgb)
2617 #warning John, have a look here. (Lgb)
2618 #if 0
2619         BufferParams const & bparams = buffer->params;
2620         Paragraph * buf;
2621         Paragraph * tmpbuf = newpar;
2622         Paragraph * lastbuffer = buf = new Paragraph(*tmpbuf, false);
2623         if (bparams.tracking_changes)
2624                 buf->cleanChanges();
2625
2626         while (tmpbuf->next()) {
2627                 tmpbuf = tmpbuf->next();
2628                 lastbuffer->next(new Paragraph(*tmpbuf, false));
2629                 lastbuffer->next()->previous(lastbuffer);
2630                 lastbuffer = lastbuffer->next();
2631                 if (bparams.tracking_changes)
2632                         lastbuffer->cleanChanges();
2633         }
2634
2635         lastbuffer = &*(paragraphs.begin());
2636         while (lastbuffer->next())
2637                 lastbuffer = lastbuffer->next();
2638         if (!newpar->empty() && !lastbuffer->empty() &&
2639                 !lastbuffer->isSeparator(lastbuffer->size() - 1))
2640         {
2641                 lastbuffer->insertChar(lastbuffer->size(), ' ');
2642         }
2643
2644         // make the buf exactly the same layout than our last paragraph
2645         buf->makeSameLayout(lastbuffer);
2646
2647         // paste it!
2648         lastbuffer->next(buf);
2649         buf->previous(lastbuffer);
2650         mergeParagraph(buffer->params, paragraphs, lastbuffer);
2651 #else
2652         ParagraphList::iterator pit = plist.begin();
2653         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(),
2654                                                         new Paragraph(*pit, false));
2655         ++pit;
2656         mergeParagraph(buffer->params, paragraphs, boost::prior(ins));
2657
2658         ParagraphList::iterator pend = plist.end();
2659         for (; pit != pend; ++pit) {
2660                 paragraphs.push_back(new Paragraph(*pit, false));
2661         }
2662
2663 #endif
2664
2665         reinitLyXText();
2666 }
2667
2668
2669 void InsetText::addPreview(grfx::PreviewLoader & loader) const
2670 {
2671         ParagraphList::iterator pit = paragraphs.begin();
2672         ParagraphList::iterator pend = paragraphs.end();
2673
2674         for (; pit != pend; ++pit) {
2675                 InsetList::iterator it  = pit->insetlist.begin();
2676                 InsetList::iterator end = pit->insetlist.end();
2677                 for (; it != end; ++it) {
2678                         it.getInset()->addPreview(loader);
2679                 }
2680         }
2681 }