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 "bufferview_funcs.h"
  18 #include "CutAndPaste.h"
  19 #include "debug.h"
  20 #include "dimension.h"
  21 #include "funcrequest.h"
  22 #include "gettext.h"
  23 #include "errorlist.h"
  24 #include "intl.h"
  25 #include "LaTeXFeatures.h"
  26 #include "LColor.h"
  27 #include "Lsstream.h"
  28 #include "lyxfont.h"
  29 #include "lyxcursor.h"
  30 #include "lyxfind.h"
  31 #include "lyxlex.h"
  32 #include "lyxrow.h"
  33 #include "lyxrc.h"
  34 #include "lyxtext.h"
  35 #include "paragraph.h"
  36 #include "ParagraphParameters.h"
  37 #include "trans_mgr.h"
  38 #include "undo_funcs.h"
  39 #include "WordLangTuple.h"
  40 #include "paragraph_funcs.h"
  41 #include "sgml.h"
  42 #include "rowpainter.h"
  43 #include "insetnewline.h"
  44 #include "metricsinfo.h"
  45
  46 #include "frontends/Alert.h"
  47 #include "frontends/Dialogs.h"
  48 #include "frontends/font_metrics.h"
  49 #include "frontends/LyXView.h"
  50 #include "frontends/Painter.h"
  51 #include "frontends/screen.h"
  52
  53 #include "support/textutils.h"
  54 #include "support/LAssert.h"
  55 #include "support/lstrings.h"
  56 #include "support/lyxalgo.h" // lyx::count
  57
  58 #include <boost/bind.hpp>
  59
  60 #include <fstream>
  61 #include <algorithm>
  62 #include <cstdlib>
  63
  64 using std::ostream;
  65 using std::ifstream;
  66 using std::endl;
  67 using std::min;
  68 using std::max;
  69 using std::make_pair;
  70 using std::vector;
  71 using std::pair;
  72 using std::for_each;
  73 using std::auto_ptr;
  74
  75 using namespace lyx::support;
  76 using namespace lyx::graphics;
  77 using namespace bv_funcs;
  78
  79 using lyx::pos_type;
  80 using lyx::textclass_type;
  81
  82
  83 // we should get rid of these (Andre')
  84
  85 void InsetText::saveLyXTextState() const
  86 {
  87         // check if my paragraphs are still valid
  88         ParagraphList::iterator it = const_cast<ParagraphList&>(paragraphs).begin();
  89         ParagraphList::iterator end = const_cast<ParagraphList&>(paragraphs).end();
  90         for (; it != end; ++it)
  91                 if (it == text_.cursor.par())
  92                         break;
  93
  94         if (it != end && text_.cursor.pos() <= it->size())
  95                 sstate = text_; // slicing intended
  96         else
  97                 sstate.cursor.par(end);
  98 }
  99
 100
 101 void InsetText::restoreLyXTextState() const
 102 {
 103         if (sstate.cursor.par() == const_cast<ParagraphList&>(paragraphs).end())
 104                 return;
 105
 106         text_.selection.set(true);
 107         // at this point just to avoid the DEPM when setting the cursor
 108         text_.selection.mark(sstate.selection.mark());
 109         if (sstate.selection.set()) {
 110                 text_.setCursor(sstate.selection.start.par(),
 111                         sstate.selection.start.pos(),
 112                         true, sstate.selection.start.boundary());
 113                 text_.selection.cursor = text_.cursor;
 114                 text_.setCursor(sstate.selection.end.par(), sstate.selection.end.pos(),
 115                         true, sstate.selection.end.boundary());
 116                 text_.setSelection();
 117                 text_.setCursor(sstate.cursor.par(), sstate.cursor.pos());
 118         } else {
 119                 text_.setCursor(sstate.cursor.par(), sstate.cursor.pos(),
 120                         true, sstate.cursor.boundary());
 121                 text_.selection.cursor = text_.cursor;
 122                 text_.selection.set(false);
 123         }
 124 }
 125
 126
 127 InsetText::InsetText(BufferParams const & bp)
 128         : UpdatableInset(), text_(0, this)
 129 {
 130         paragraphs.push_back(Paragraph());
 131         paragraphs.begin()->layout(bp.getLyXTextClass().defaultLayout());
 132         if (bp.tracking_changes)
 133                 paragraphs.begin()->trackChanges();
 134         init(0);
 135 }
 136
 137
 138 InsetText::InsetText(InsetText const & in)
 139         : UpdatableInset(in), text_(0, this)
 140 {
 141         init(&in);
 142 }
 143
 144
 145 InsetText & InsetText::operator=(InsetText const & it)
 146 {
 147         init(&it);
 148         return *this;
 149 }
 150
 151
 152 void InsetText::init(InsetText const * ins)
 153 {
 154         if (ins) {
 155                 textwidth_ = ins->textwidth_;
 156                 text_.bv_owner = ins->text_.bv_owner;
 157                 setParagraphData(ins->paragraphs);
 158                 autoBreakRows = ins->autoBreakRows;
 159                 drawFrame_ = ins->drawFrame_;
 160                 frame_color = ins->frame_color;
 161         } else {
 162                 textwidth_ = 0; // broken
 163                 drawFrame_ = NEVER;
 164                 frame_color = LColor::insetframe;
 165                 autoBreakRows = false;
 166         }
 167         the_locking_inset = 0;
 168         for_each(paragraphs.begin(), paragraphs.end(),
 169                  boost::bind(&Paragraph::setInsetOwner, _1, this));
 170         top_y = 0;
 171         no_selection = true;
 172         drawTextXOffset = 0;
 173         drawTextYOffset = 0;
 174         locked = false;
 175         old_par = paragraphs.end();
 176         sstate.cursor.par(paragraphs.end());
 177         in_insetAllowed = false;
 178 }
 179
 180
 181 void InsetText::clear(bool just_mark_erased)
 182 {
 183         if (just_mark_erased) {
 184                 ParagraphList::iterator it = paragraphs.begin();
 185                 ParagraphList::iterator end = paragraphs.end();
 186                 for (; it != end; ++it) {
 187                         it->markErased();
 188                 }
 189                 return;
 190         }
 191
 192         // This is a gross hack...
 193         LyXLayout_ptr old_layout = paragraphs.begin()->layout();
 194
 195         paragraphs.clear();
 196         paragraphs.push_back(Paragraph());
 197         paragraphs.begin()->setInsetOwner(this);
 198         paragraphs.begin()->layout(old_layout);
 199
 200         reinitLyXText();
 201 }
 202
 203
 204 auto_ptr<InsetBase> InsetText::clone() const
 205 {
 206         return auto_ptr<InsetBase>(new InsetText(*this));
 207 }
 208
 209
 210 void InsetText::write(Buffer const * buf, ostream & os) const
 211 {
 212         os << "Text\n";
 213         writeParagraphData(buf, os);
 214 }
 215
 216
 217 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 218 {
 219         ParagraphList::const_iterator it = paragraphs.begin();
 220         ParagraphList::const_iterator end = paragraphs.end();
 221         Paragraph::depth_type dth = 0;
 222         for (; it != end; ++it) {
 223                 it->write(buf, os, buf->params, dth);
 224         }
 225 }
 226
 227
 228 void InsetText::read(Buffer const * buf, LyXLex & lex)
 229 {
 230         string token;
 231         Paragraph::depth_type depth = 0;
 232
 233         clear(false);
 234
 235         if (buf->params.tracking_changes)
 236                 paragraphs.begin()->trackChanges();
 237
 238         // delete the initial paragraph
 239         paragraphs.clear();
 240         ParagraphList::iterator pit = paragraphs.begin();
 241
 242         while (lex.isOK()) {
 243                 lex.nextToken();
 244                 token = lex.getString();
 245                 if (token.empty())
 246                         continue;
 247                 if (token == "\\end_inset") {
 248                         break;
 249                 }
 250
 251                 if (token == "\\end_document") {
 252                         lex.printError("\\end_document read in inset! Error in document!");
 253                         return;
 254                 }
 255
 256                 // FIXME: ugly.
 257                 const_cast<Buffer*>(buf)->readParagraph(lex, token, paragraphs, pit, depth);
 258         }
 259
 260         pit = paragraphs.begin();
 261         ParagraphList::iterator const end = paragraphs.end();
 262         for (; pit != end; ++pit)
 263                 pit->setInsetOwner(this);
 264
 265         if (token != "\\end_inset") {
 266                 lex.printError("Missing \\end_inset at this point. "
 267                                            "Read: `$$Token'");
 268         }
 269 }
 270
 271
 272 void InsetText::metrics(MetricsInfo & mi, Dimension & dim) const
 273 {
 274         //lyxerr << "InsetText::metrics: width: " << mi.base.textwidth << endl;
 275
 276         textwidth_ = mi.base.textwidth;
 277         BufferView * bv = mi.base.bv;
 278         setViewCache(bv);
 279         text_.metrics(mi, dim);
 280         dim.asc += TEXT_TO_INSET_OFFSET;
 281         dim.des += TEXT_TO_INSET_OFFSET;
 282         dim.wid += 2 * TEXT_TO_INSET_OFFSET;
 283         dim.wid = max(dim.wid, 10);
 284         dim_ = dim;
 285 }
 286
 287
 288 int InsetText::textWidth() const
 289 {
 290         return textwidth_;
 291 }
 292
 293
 294 void InsetText::draw(PainterInfo & pi, int x, int baseline) const
 295 {
 296         // update our idea of where we are. Clearly, we should
 297         // not have to know this information.
 298         top_x = x;
 299
 300         int const start_x = x;
 301
 302         BufferView * bv = pi.base.bv;
 303         Painter & pain = pi.pain;
 304
 305         // repaint the background if needed
 306         if (backgroundColor() != LColor::background)
 307                 clearInset(bv, start_x + TEXT_TO_INSET_OFFSET, baseline);
 308
 309         // no draw is necessary !!!
 310         if (drawFrame_ == LOCKED && !locked && paragraphs.begin()->empty()) {
 311                 top_baseline = baseline;
 312                 return;
 313         }
 314
 315         bv->hideCursor();
 316
 317         if (!owner())
 318                 x += scroll();
 319
 320         top_baseline = baseline;
 321         top_y = baseline - dim_.asc;
 322
 323         if (the_locking_inset && cpar() == inset_par && cpos() == inset_pos) {
 324                 inset_x = cix() - x + drawTextXOffset;
 325                 inset_y = ciy() + drawTextYOffset;
 326         }
 327
 328         x += TEXT_TO_INSET_OFFSET;
 329
 330         RowList::iterator rit = text_.rows().begin();
 331         RowList::iterator end = text_.rows().end();
 332
 333         int y_offset = baseline - rit->ascent_of_text();
 334         int y2 = pain.paperHeight();
 335         int first = 0;
 336         int y = y_offset;
 337         while (rit != end && y + rit->height() <= 0) {
 338                 y += rit->height();
 339                 first += rit->height();
 340                 ++rit;
 341         }
 342         if (y_offset < 0) {
 343                 text_.top_y(-y_offset);
 344                 first = y;
 345                 y_offset = 0;
 346         } else {
 347                 text_.top_y(first);
 348                 first = 0;
 349         }
 350
 351         int yo = y_offset + first;
 352
 353         paintRows(*bv, text_, rit, x, 0, yo, y2, yo);
 354
 355         if (drawFrame_ == ALWAYS || (drawFrame_ == LOCKED && locked))
 356                 drawFrame(pain, int(start_x));
 357 }
 358
 359
 360 void InsetText::drawFrame(Painter & pain, int x) const
 361 {
 362         int const ttoD2 = TEXT_TO_INSET_OFFSET / 2;
 363         int const frame_x = x + ttoD2;
 364         int const frame_y = top_baseline - dim_.asc + ttoD2;
 365         int const frame_w = dim_.wid - TEXT_TO_INSET_OFFSET;
 366         int const frame_h = dim_.asc + dim_.des - TEXT_TO_INSET_OFFSET;
 367         pain.rectangle(frame_x, frame_y, frame_w, frame_h, frame_color);
 368 }
 369
 370
 371 void InsetText::updateLocal(BufferView * bv, bool /*mark_dirty*/)
 372 {
 373         if (!bv)
 374                 return;
 375
 376         if (!autoBreakRows && paragraphs.size() > 1)
 377                 collapseParagraphs(bv);
 378
 379         text_.partialRebreak();
 380         if (!text_.selection.set())
 381                 text_.selection.cursor = text_.cursor;
 382
 383         bv->fitCursor();
 384         bv->updateInset();
 385         bv->owner()->view_state_changed();
 386         bv->owner()->updateMenubar();
 387         bv->owner()->updateToolbar();
 388         if (old_par != cpar()) {
 389                 bv->owner()->setLayout(cpar()->layout()->name());
 390                 old_par = cpar();
 391         }
 392 }
 393
 394
 395 string const InsetText::editMessage() const
 396 {
 397         return _("Opened Text Inset");
 398 }
 399
 400
 401 void InsetText::insetUnlock(BufferView * bv)
 402 {
 403         if (the_locking_inset) {
 404                 the_locking_inset->insetUnlock(bv);
 405                 the_locking_inset = 0;
 406                 updateLocal(bv, false);
 407         }
 408         no_selection = true;
 409         locked = false;
 410
 411         if (text_.selection.set()) {
 412                 text_.clearSelection();
 413         } else if (owner()) {
 414                 bv->owner()->setLayout(owner()->getLyXText(bv)
 415                                        ->cursor.par()->layout()->name());
 416         } else
 417                 bv->owner()->setLayout(bv->text->cursor.par()->layout()->name());
 418         // hack for deleteEmptyParMech
 419         ParagraphList::iterator first_par = paragraphs.begin();
 420         if (!first_par->empty()) {
 421                 text_.setCursor(first_par, 0);
 422         } else if (paragraphs.size() > 1) {
 423                 text_.setCursor(boost::next(first_par), 0);
 424         }
 425 }
 426
 427
 428 void InsetText::lockInset(BufferView * bv)
 429 {
 430         locked = true;
 431         the_locking_inset = 0;
 432         inset_pos = inset_x = inset_y = 0;
 433         inset_boundary = false;
 434         inset_par = paragraphs.end();
 435         old_par = paragraphs.end();
 436         text_.setCursorIntern(paragraphs.begin(), 0);
 437         text_.clearSelection();
 438         finishUndo();
 439         // If the inset is empty set the language of the current font to the
 440         // language to the surronding text (if different).
 441         if (paragraphs.begin()->empty() && paragraphs.size() == 1 &&
 442                 bv->getParentLanguage(this) != text_.current_font.language()) {
 443                 LyXFont font(LyXFont::ALL_IGNORE);
 444                 font.setLanguage(bv->getParentLanguage(this));
 445                 setFont(bv, font, false);
 446         }
 447 }
 448
 449
 450 void InsetText::lockInset(BufferView * /*bv*/, UpdatableInset * inset)
 451 {
 452         the_locking_inset = inset;
 453         inset_x = cix() - top_x + drawTextXOffset;
 454         inset_y = ciy() + drawTextYOffset;
 455         inset_pos = cpos();
 456         inset_par = cpar();
 457         inset_boundary = cboundary();
 458 }
 459
 460
 461 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 462 {
 463         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 464                               << inset << "): " << endl;
 465         if (!inset)
 466                 return false;
 467         if (!the_locking_inset) {
 468                 ParagraphList::iterator pit = paragraphs.begin();
 469                 ParagraphList::iterator pend = paragraphs.end();
 470
 471                 int const id = inset->id();
 472                 for (; pit != pend; ++pit) {
 473                         InsetList::iterator it = pit->insetlist.begin();
 474                         InsetList::iterator const end = pit->insetlist.end();
 475                         for (; it != end; ++it) {
 476                                 if (it->inset == inset) {
 477                                         lyxerr << "InsetText::lockInsetInInset: 1 a" << endl;
 478                                         text_.setCursorIntern(pit, it->pos);
 479                                         lyxerr << "InsetText::lockInsetInInset: 1 b" << endl;
 480                                         lyxerr << "bv: " << bv << " inset: " << inset << endl;
 481                                         lockInset(bv, inset);
 482                                         lyxerr << "InsetText::lockInsetInInset: 1 c" << endl;
 483                                         return true;
 484                                 }
 485                                 if (it->inset->getInsetFromID(id)) {
 486                                         lyxerr << "InsetText::lockInsetInInset: 2" << endl;
 487                                         text_.setCursorIntern(pit, it->pos);
 488                                         it->inset->localDispatch(FuncRequest(bv, LFUN_INSET_EDIT));
 489                                         return the_locking_inset->lockInsetInInset(bv, inset);
 490                                 }
 491                         }
 492                 }
 493                 lyxerr << "InsetText::lockInsetInInset: 3" << endl;
 494                 return false;
 495         }
 496         if (inset == cpar()->getInset(cpos())) {
 497                 lyxerr[Debug::INSETS] << "OK" << endl;
 498                 lockInset(bv, inset);
 499                 return true;
 500         }
 501
 502         if (the_locking_inset && the_locking_inset == inset) {
 503                 if (cpar() == inset_par && cpos() == inset_pos) {
 504                         lyxerr[Debug::INSETS] << "OK" << endl;
 505                         inset_x = cix() - top_x + drawTextXOffset;
 506                         inset_y = ciy() + drawTextYOffset;
 507                 } else {
 508                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 509                 }
 510         } else if (the_locking_inset) {
 511                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 512                 return the_locking_inset->lockInsetInInset(bv, inset);
 513         }
 514         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 515         return false;
 516 }
 517
 518
 519 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 520                                    bool lr)
 521 {
 522         if (!the_locking_inset)
 523                 return false;
 524         if (the_locking_inset == inset) {
 525                 the_locking_inset->insetUnlock(bv);
 526                 getLyXText(bv)->updateInset(inset);
 527                 the_locking_inset = 0;
 528                 if (lr)
 529                         moveRightIntern(bv, true, false);
 530                 old_par = paragraphs.end(); // force layout setting
 531                 if (scroll())
 532                         scroll(bv, 0.0F);
 533                 else
 534                         updateLocal(bv, false);
 535                 return true;
 536         }
 537         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 538 }
 539
 540
 541 void InsetText::lfunMousePress(FuncRequest const & cmd)
 542 {
 543         no_selection = true;
 544
 545         // use this to check mouse motion for selection!
 546         mouse_x = cmd.x;
 547         mouse_y = cmd.y;
 548
 549         BufferView * bv = cmd.view();
 550         FuncRequest cmd1 = cmd;
 551         cmd1.x -= inset_x;
 552         cmd1.y -= inset_y;
 553         if (!locked)
 554                 lockInset(bv);
 555
 556         int tmp_x = cmd.x - drawTextXOffset;
 557         int tmp_y = cmd.y + dim_.asc - getLyXText(bv)->top_y();
 558         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 559
 560         if (the_locking_inset) {
 561                 if (the_locking_inset == inset) {
 562                         the_locking_inset->localDispatch(cmd1);
 563                         return;
 564                 }
 565                 // otherwise only unlock the_locking_inset
 566                 the_locking_inset->insetUnlock(bv);
 567                 the_locking_inset = 0;
 568         }
 569         if (!inset)
 570                 no_selection = false;
 571
 572         if (bv->theLockingInset()) {
 573                 if (isHighlyEditableInset(inset)) {
 574                         // We just have to lock the inset before calling a
 575                         // PressEvent on it!
 576                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 577                         if (!bv->lockInset(uinset)) {
 578                                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 579                         }
 580                         inset->localDispatch(cmd1);
 581                         if (the_locking_inset)
 582                                 updateLocal(bv, false);
 583                         return;
 584                 }
 585         }
 586         if (!inset) {
 587                 bool paste_internally = false;
 588                 if (cmd.button() == mouse_button::button2 && getLyXText(bv)->selection.set()) {
 589                         localDispatch(FuncRequest(bv, LFUN_COPY));
 590                         paste_internally = true;
 591                 }
 592                 int old_top_y = text_.top_y();
 593
 594                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 595                                              cmd.y + dim_.asc);
 596                 // set the selection cursor!
 597                 text_.selection.cursor = text_.cursor;
 598                 text_.cursor.x_fix(text_.cursor.x());
 599
 600                 text_.clearSelection();
 601                 updateLocal(bv, false);
 602
 603                 bv->owner()->setLayout(cpar()->layout()->name());
 604
 605                 // we moved the view we cannot do mouse selection in this case!
 606                 if (getLyXText(bv)->top_y() != old_top_y)
 607                         no_selection = true;
 608                 old_par = cpar();
 609                 // Insert primary selection with middle mouse
 610                 // if there is a local selection in the current buffer,
 611                 // insert this
 612                 if (cmd.button() == mouse_button::button2) {
 613                         if (paste_internally)
 614                                 localDispatch(FuncRequest(bv, LFUN_PASTE));
 615                         else
 616                                 localDispatch(FuncRequest(bv, LFUN_PASTESELECTION, "paragraph"));
 617                 }
 618         } else {
 619                 getLyXText(bv)->clearSelection();
 620         }
 621 }
 622
 623
 624 bool InsetText::lfunMouseRelease(FuncRequest const & cmd)
 625 {
 626         BufferView * bv = cmd.view();
 627         FuncRequest cmd1 = cmd;
 628         cmd1.x -= inset_x;
 629         cmd1.y -= inset_y;
 630
 631         no_selection = true;
 632         if (the_locking_inset)
 633                 return the_locking_inset->localDispatch(cmd1);
 634
 635         int tmp_x = cmd.x - drawTextXOffset;
 636         int tmp_y = cmd.y + dim_.asc - getLyXText(bv)->top_y();
 637         InsetOld * inset = getLyXText(bv)->checkInsetHit(tmp_x, tmp_y);
 638         bool ret = false;
 639         if (inset) {
 640 // This code should probably be removed now. Simple insets
 641 // (!highlyEditable) can actually take the localDispatch,
 642 // and turn it into edit() if necessary. But we still
 643 // need to deal properly with the whole relative vs.
 644 // absolute mouse co-ords thing in a realiable, sensible way
 645 #if 0
 646                 if (isHighlyEditableInset(inset))
 647                         ret = inset->localDispatch(cmd1);
 648                 else {
 649                         inset_x = cix(bv) - top_x + drawTextXOffset;
 650                         inset_y = ciy() + drawTextYOffset;
 651                         cmd1.x = cmd.x - inset_x;
 652                         cmd1.y = cmd.x - inset_y;
 653                         inset->edit(bv, cmd1.x, cmd1.y, cmd.button());
 654                         ret = true;
 655                 }
 656 #endif
 657                 ret = inset->localDispatch(cmd1);
 658                 updateLocal(bv, false);
 659
 660         }
 661         return ret;
 662 }
 663
 664
 665 void InsetText::lfunMouseMotion(FuncRequest const & cmd)
 666 {
 667         FuncRequest cmd1 = cmd;
 668         cmd1.x -= inset_x;
 669         cmd1.y -= inset_y;
 670
 671         if (the_locking_inset) {
 672                 the_locking_inset->localDispatch(cmd1);
 673                 return;
 674         }
 675
 676         if (no_selection || (mouse_x == cmd.x && mouse_y == cmd.y))
 677                 return;
 678
 679         BufferView * bv = cmd.view();
 680         LyXCursor cur = text_.cursor;
 681         text_.setCursorFromCoordinates
 682                 (cmd.x - drawTextXOffset, cmd.y + dim_.asc);
 683         text_.cursor.x_fix(text_.cursor.x());
 684         if (cur == text_.cursor)
 685                 return;
 686         text_.setSelection();
 687         updateLocal(bv, false);
 688 }
 689
 690
 691 InsetOld::RESULT InsetText::localDispatch(FuncRequest const & cmd)
 692 {
 693         BufferView * bv = cmd.view();
 694         setViewCache(bv);
 695
 696         switch (cmd.action) {
 697         case LFUN_INSET_EDIT: {
 698                 UpdatableInset::localDispatch(cmd);
 699
 700                 if (!bv->lockInset(this)) {
 701                         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 702                         return DISPATCHED;
 703                 }
 704
 705                 locked = true;
 706                 the_locking_inset = 0;
 707                 inset_pos = 0;
 708                 inset_x = 0;
 709                 inset_y = 0;
 710                 inset_boundary = false;
 711                 inset_par = paragraphs.end();
 712                 old_par = paragraphs.end();
 713
 714
 715                 if (cmd.argument.size()) {
 716                         if (cmd.argument == "left")
 717                                 text_.setCursorIntern(paragraphs.begin(), 0);
 718                         else {
 719                                 ParagraphList::iterator it = boost::prior(paragraphs.end());
 720                                 text_.setCursor(it, it->size());
 721                         }
 722                 } else {
 723                         int tmp_y = (cmd.y < 0) ? 0 : cmd.y;
 724                         // we put here -1 and not button as now the button in the
 725                         // edit call should not be needed we will fix this in 1.3.x
 726                         // cycle hopefully (Jug 20020509)
 727                         // FIXME: GUII I've changed this to none: probably WRONG
 728                         if (!checkAndActivateInset(bv, cmd.x, tmp_y, mouse_button::none)) {
 729                                 text_.setCursorFromCoordinates(cmd.x - drawTextXOffset,
 730                                                                         cmd.y + dim_.asc);
 731                                 text_.cursor.x_fix(text_.cursor.x());
 732                         }
 733                 }
 734
 735                 text_.clearSelection();
 736                 finishUndo();
 737
 738                 // If the inset is empty set the language of the current font to the
 739                 // language to the surronding text (if different).
 740                 if (paragraphs.begin()->empty() &&
 741                     paragraphs.size() == 1 &&
 742                     bv->getParentLanguage(this) != text_.current_font.language())
 743                 {
 744                         LyXFont font(LyXFont::ALL_IGNORE);
 745                         font.setLanguage(bv->getParentLanguage(this));
 746                         setFont(bv, font, false);
 747                 }
 748
 749                 updateLocal(bv, false);
 750                 // Tell the paragraph dialog that we've entered an insettext.
 751                 bv->dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 752                 return DISPATCHED;
 753         }
 754
 755         case LFUN_MOUSE_PRESS:
 756                 lfunMousePress(cmd);
 757                 return DISPATCHED;
 758
 759         case LFUN_MOUSE_MOTION:
 760                 lfunMouseMotion(cmd);
 761                 return DISPATCHED;
 762
 763         case LFUN_MOUSE_RELEASE:
 764                 return lfunMouseRelease(cmd) ? DISPATCHED : UNDISPATCHED;
 765
 766         default:
 767                 break;
 768         }
 769
 770         bool was_empty = (paragraphs.begin()->empty() &&
 771                           paragraphs.size() == 1);
 772
 773         no_selection = false;
 774         RESULT result = UpdatableInset::localDispatch(cmd);
 775         if (result != UNDISPATCHED)
 776                 return DISPATCHED;
 777
 778         result = DISPATCHED;
 779         if (cmd.action < 0 && cmd.argument.empty())
 780                 return FINISHED;
 781
 782         if (the_locking_inset) {
 783                 result = the_locking_inset->localDispatch(cmd);
 784                 if (result == DISPATCHED_NOUPDATE)
 785                         return result;
 786                 if (result == DISPATCHED) {
 787                         updateLocal(bv, false);
 788                         return result;
 789                 }
 790                 if (result >= FINISHED) {
 791                         switch (result) {
 792                         case FINISHED_RIGHT:
 793                                 moveRightIntern(bv, false, false);
 794                                 result = DISPATCHED;
 795                                 break;
 796                         case FINISHED_UP:
 797                                 result = moveUp(bv);
 798                                 if (result >= FINISHED) {
 799                                         updateLocal(bv, false);
 800                                         bv->unlockInset(this);
 801                                 }
 802                                 break;
 803                         case FINISHED_DOWN:
 804                                 result = moveDown(bv);
 805                                 if (result >= FINISHED) {
 806                                         updateLocal(bv, false);
 807                                         bv->unlockInset(this);
 808                                 }
 809                                 break;
 810                         default:
 811                                 result = DISPATCHED;
 812                                 break;
 813                         }
 814                         the_locking_inset = 0;
 815                         updateLocal(bv, false);
 816                         // make sure status gets reset immediately
 817                         bv->owner()->clearMessage();
 818                         return result;
 819                 }
 820         }
 821         bool updflag = false;
 822
 823         switch (cmd.action) {
 824
 825         // Normal chars
 826         case LFUN_SELFINSERT:
 827                 if (bv->buffer()->isReadonly()) {
 828 //          setErrorMessage(N_("Document is read only"));
 829                         break;
 830                 }
 831                 if (!cmd.argument.empty()) {
 832                         /* Automatically delete the currently selected
 833                          * text and replace it with what is being
 834                          * typed in now. Depends on lyxrc settings
 835                          * "auto_region_delete", which defaults to
 836                          * true (on). */
 837 #if 0
 838                         // This should not be needed here and is also WRONG!
 839                         recordUndo(bv, Undo::INSERT, text_.cursor.par());
 840 #endif
 841                         bv->switchKeyMap();
 842                         if (lyxrc.auto_region_delete) {
 843                                 if (text_.selection.set()) {
 844                                         text_.cutSelection(false, false);
 845                                 }
 846                         }
 847                         text_.clearSelection();
 848                         for (string::size_type i = 0; i < cmd.argument.length(); ++i) {
 849                                 bv->owner()->getIntl().getTransManager().
 850                                         TranslateAndInsert(cmd.argument[i], &text_);
 851                         }
 852                 }
 853                 text_.selection.cursor = text_.cursor;
 854                 updflag = true;
 855                 result = DISPATCHED_NOUPDATE;
 856                 break;
 857
 858         // cursor movements that need special handling
 859
 860         case LFUN_RIGHT:
 861                 result = moveRight(bv);
 862                 finishUndo();
 863                 break;
 864         case LFUN_LEFT:
 865                 finishUndo();
 866                 result = moveLeft(bv);
 867                 break;
 868         case LFUN_DOWN:
 869                 finishUndo();
 870                 result = moveDown(bv);
 871                 break;
 872         case LFUN_UP:
 873                 finishUndo();
 874                 result = moveUp(bv);
 875                 break;
 876
 877         case LFUN_PRIOR:
 878                 if (crow() == text_.rows().begin())
 879                         result = FINISHED_UP;
 880                 else {
 881                         text_.cursorPrevious();
 882                         text_.clearSelection();
 883                         result = DISPATCHED_NOUPDATE;
 884                 }
 885                 break;
 886
 887         case LFUN_NEXT:
 888                 if (boost::next(crow()) == text_.rows().end())
 889                         result = FINISHED_DOWN;
 890                 else {
 891                         text_.cursorNext();
 892                         text_.clearSelection();
 893                         result = DISPATCHED_NOUPDATE;
 894                 }
 895                 break;
 896
 897         case LFUN_BACKSPACE: {
 898                 if (text_.selection.set())
 899                         text_.cutSelection(true, false);
 900                 else
 901                         text_.backspace();
 902                 updflag = true;
 903                 break;
 904         }
 905
 906         case LFUN_DELETE: {
 907                 if (text_.selection.set()) {
 908                         text_.cutSelection(true, false);
 909                 } else {
 910                         text_.Delete();
 911                 }
 912                 updflag = true;
 913                 break;
 914         }
 915
 916         case LFUN_CUT: {
 917                 text_.cutSelection(true, true);
 918                 updflag = true;
 919                 break;
 920         }
 921
 922         case LFUN_COPY:
 923                 finishUndo();
 924                 text_.copySelection();
 925                 break;
 926
 927         case LFUN_PASTESELECTION:
 928         {
 929                 string const clip(bv->getClipboard());
 930
 931                 if (clip.empty())
 932                         break;
 933                 if (cmd.argument == "paragraph") {
 934                         text_.insertStringAsParagraphs(clip);
 935                 } else {
 936                         text_.insertStringAsLines(clip);
 937                 }
 938                 // bug 393
 939                 text_.clearSelection();
 940
 941                 updflag = true;
 942                 break;
 943         }
 944
 945         case LFUN_PASTE: {
 946                 if (!autoBreakRows) {
 947                         if (CutAndPaste::nrOfParagraphs() > 1) {
 948 #ifdef WITH_WARNINGS
 949 #warning FIXME horrendously bad UI
 950 #endif
 951                                 Alert::error(_("Paste failed"), _("Cannot include more than one paragraph."));
 952                                 break;
 953                         }
 954                 }
 955
 956                 replaceSelection(bv->getLyXText());
 957                 size_t sel_index = 0;
 958                 string const & arg = cmd.argument;
 959                 if (isStrUnsignedInt(arg)) {
 960                         size_t const paste_arg = strToUnsignedInt(arg);
 961 #warning FIXME Check if the arg is in the domain of available selections.
 962                         sel_index = paste_arg;
 963                 }
 964                 text_.pasteSelection(sel_index);
 965                 // bug 393
 966                 text_.clearSelection();
 967                 updflag = true;
 968                 break;
 969         }
 970
 971         case LFUN_BREAKPARAGRAPH:
 972                 if (!autoBreakRows) {
 973                         result = DISPATCHED;
 974                         break;
 975                 }
 976                 replaceSelection(bv->getLyXText());
 977                 text_.breakParagraph(paragraphs, 0);
 978                 updflag = true;
 979                 break;
 980
 981         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 982                 if (!autoBreakRows) {
 983                         result = DISPATCHED;
 984                         break;
 985                 }
 986                 replaceSelection(bv->getLyXText());
 987                 text_.breakParagraph(paragraphs, 1);
 988                 updflag = true;
 989                 break;
 990
 991         case LFUN_BREAKLINE: {
 992                 if (!autoBreakRows) {
 993                         result = DISPATCHED;
 994                         break;
 995                 }
 996
 997                 replaceSelection(bv->getLyXText());
 998                 text_.insertInset(new InsetNewline);
 999                 updflag = true;
1000                 break;
1001         }
1002
1003         case LFUN_LAYOUT:
1004                 // do not set layouts on non breakable textinsets
1005                 if (autoBreakRows) {
1006                         string cur_layout = cpar()->layout()->name();
1007
1008                         // Derive layout number from given argument (string)
1009                         // and current buffer's textclass (number). */
1010                         LyXTextClass const & tclass =
1011                                 bv->buffer()->params.getLyXTextClass();
1012                         string layout = cmd.argument;
1013                         bool hasLayout = tclass.hasLayout(layout);
1014
1015                         // If the entry is obsolete, use the new one instead.
1016                         if (hasLayout) {
1017                                 string const & obs =
1018                                         tclass[layout]->obsoleted_by();
1019                                 if (!obs.empty())
1020                                         layout = obs;
1021                         }
1022
1023                         // see if we found the layout number:
1024                         if (!hasLayout) {
1025                                 FuncRequest lf(LFUN_MESSAGE, N_("Layout ") + cmd.argument + N_(" not known"));
1026                                 bv->owner()->dispatch(lf);
1027                                 break;
1028                         }
1029
1030                         if (cur_layout != layout) {
1031                                 cur_layout = layout;
1032                                 text_.setLayout(layout);
1033                                 bv->owner()->setLayout(cpar()->layout()->name());
1034                                 updflag = true;
1035                         }
1036                 } else {
1037                         // reset the layout box
1038                         bv->owner()->setLayout(cpar()->layout()->name());
1039                 }
1040                 break;
1041         case LFUN_PARAGRAPH_SPACING:
1042                 // This one is absolutely not working. When fiddling with this
1043                 // it also seems to me that the paragraphs inside the insettext
1044                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1045                 // FIXME: how old is this comment ? ...
1046         {
1047                 ParagraphList::iterator pit = text_.cursor.par();
1048                 Spacing::Space cur_spacing = pit->params().spacing().getSpace();
1049                 float cur_value = 1.0;
1050                 if (cur_spacing == Spacing::Other) {
1051                         cur_value = pit->params().spacing().getValue();
1052                 }
1053
1054                 istringstream istr(STRCONV(cmd.argument));
1055                 string tmp;
1056                 istr >> tmp;
1057                 Spacing::Space new_spacing = cur_spacing;
1058                 float new_value = cur_value;
1059                 if (tmp.empty()) {
1060                         lyxerr << "Missing argument to `paragraph-spacing'"
1061                                    << endl;
1062                 } else if (tmp == "single") {
1063                         new_spacing = Spacing::Single;
1064                 } else if (tmp == "onehalf") {
1065                         new_spacing = Spacing::Onehalf;
1066                 } else if (tmp == "double") {
1067                         new_spacing = Spacing::Double;
1068                 } else if (tmp == "other") {
1069                         new_spacing = Spacing::Other;
1070                         float tmpval = 0.0;
1071                         istr >> tmpval;
1072                         lyxerr << "new_value = " << tmpval << endl;
1073                         if (tmpval != 0.0)
1074                                 new_value = tmpval;
1075                 } else if (tmp == "default") {
1076                         new_spacing = Spacing::Default;
1077                 } else {
1078                         lyxerr << _("Unknown spacing argument: ")
1079                                    << cmd.argument << endl;
1080                 }
1081                 if (cur_spacing != new_spacing || cur_value != new_value) {
1082                         pit->params().spacing(Spacing(new_spacing, new_value));
1083                         updflag = true;
1084                 }
1085         }
1086         break;
1087
1088         default:
1089                 if (!bv->dispatch(cmd))
1090                         result = UNDISPATCHED;
1091                 break;
1092         }
1093
1094         updateLocal(bv, updflag);
1095
1096         /// If the action has deleted all text in the inset, we need to change the
1097         // language to the language of the surronding text.
1098         if (!was_empty && paragraphs.begin()->empty() &&
1099             paragraphs.size() == 1) {
1100                 LyXFont font(LyXFont::ALL_IGNORE);
1101                 font.setLanguage(bv->getParentLanguage(this));
1102                 setFont(bv, font, false);
1103         }
1104
1105         if (result >= FINISHED)
1106                 bv->unlockInset(this);
1107
1108         if (result == DISPATCHED_NOUPDATE)
1109                 result = DISPATCHED;
1110         return result;
1111 }
1112
1113
1114 int InsetText::latex(Buffer const * buf, ostream & os,
1115                      LatexRunParams const & runparams) const
1116 {
1117         TexRow texrow;
1118         latexParagraphs(buf, paragraphs, os, texrow, runparams);
1119         return texrow.rows();
1120 }
1121
1122
1123 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1124 {
1125         unsigned int lines = 0;
1126
1127         ParagraphList::const_iterator beg = paragraphs.begin();
1128         ParagraphList::const_iterator end = paragraphs.end();
1129         ParagraphList::const_iterator it = beg;
1130         for (; it != end; ++it) {
1131                 string const tmp = buf->asciiParagraph(*it, linelen, it == beg);
1132                 lines += lyx::count(tmp.begin(), tmp.end(), '\n');
1133                 os << tmp;
1134         }
1135         return lines;
1136 }
1137
1138
1139 int InsetText::linuxdoc(Buffer const * buf, ostream & os) const
1140 {
1141         ParagraphList::iterator pit = const_cast<ParagraphList&>(paragraphs).begin();
1142         ParagraphList::iterator pend = const_cast<ParagraphList&>(paragraphs).end();
1143
1144         // There is a confusion between the empty paragraph and the default paragraph
1145         // The default paragraph is <p></p>, the empty paragraph is *empty*
1146         // Since none of the floats of linuxdoc accepts standard paragraphs
1147         // I disable them. I don't expect problems. (jamatos 2003/07/27)
1148         for (; pit != pend; ++pit) {
1149                 const string name = pit->layout()->latexname();
1150                 if (name != "p")
1151                         sgml::openTag(os, 1, 0, name);
1152                 buf->simpleLinuxDocOnePar(os, pit, 0);
1153                 if (name != "p")
1154                         sgml::closeTag(os, 1, 0, name);
1155         }
1156         return 0;
1157 }
1158
1159
1160 int InsetText::docbook(Buffer const * buf, ostream & os, bool mixcont) const
1161 {
1162         unsigned int lines = 0;
1163
1164         vector<string> environment_stack(10);
1165         vector<string> environment_inner(10);
1166
1167         int const command_depth = 0;
1168         string item_name;
1169
1170         Paragraph::depth_type depth = 0; // paragraph depth
1171
1172         ParagraphList::iterator pit = const_cast<ParagraphList&>(paragraphs).begin();
1173         ParagraphList::iterator pend = const_cast<ParagraphList&>(paragraphs).end();
1174
1175         for (; pit != pend; ++pit) {
1176                 string sgmlparam;
1177                 int desc_on = 0; // description mode
1178
1179                 LyXLayout_ptr const & style = pit->layout();
1180
1181                 // environment tag closing
1182                 for (; depth > pit->params().depth(); --depth) {
1183                         if (environment_inner[depth] != "!-- --") {
1184                                 item_name = "listitem";
1185                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1186                                 if (environment_inner[depth] == "varlistentry")
1187                                         lines += sgml::closeTag(os, depth+command_depth, mixcont, environment_inner[depth]);
1188                         }
1189                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1190                         environment_stack[depth].erase();
1191                         environment_inner[depth].erase();
1192                 }
1193
1194                 if (depth == pit->params().depth()
1195                    && environment_stack[depth] != style->latexname()
1196                    && !environment_stack[depth].empty()) {
1197                         if (environment_inner[depth] != "!-- --") {
1198                                 item_name= "listitem";
1199                                 lines += sgml::closeTag(os, command_depth+depth, mixcont, item_name);
1200                                 if (environment_inner[depth] == "varlistentry")
1201                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1202                         }
1203
1204                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1205
1206                         environment_stack[depth].erase();
1207                         environment_inner[depth].erase();
1208                 }
1209
1210                 // Write opening SGML tags.
1211                 switch (style->latextype) {
1212                 case LATEX_PARAGRAPH:
1213                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1214                         break;
1215
1216                 case LATEX_COMMAND:
1217                         buf->error(ErrorItem(_("Error"), _("LatexType Command not allowed here.\n"), pit->id(), 0, pit->size()));
1218                         return -1;
1219                         break;
1220
1221                 case LATEX_ENVIRONMENT:
1222                 case LATEX_ITEM_ENVIRONMENT:
1223                         if (depth < pit->params().depth()) {
1224                                 depth = pit->params().depth();
1225                                 environment_stack[depth].erase();
1226                         }
1227
1228                         if (environment_stack[depth] != style->latexname()) {
1229                                 if (environment_stack.size() == depth + 1) {
1230                                         environment_stack.push_back("!-- --");
1231                                         environment_inner.push_back("!-- --");
1232                                 }
1233                                 environment_stack[depth] = style->latexname();
1234                                 environment_inner[depth] = "!-- --";
1235                                 lines += sgml::openTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1236                         } else {
1237                                 if (environment_inner[depth] != "!-- --") {
1238                                         item_name= "listitem";
1239                                         lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1240                                         if (environment_inner[depth] == "varlistentry")
1241                                                 lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1242                                 }
1243                         }
1244
1245                         if (style->latextype == LATEX_ENVIRONMENT) {
1246                                 if (!style->latexparam().empty()) {
1247                                         if (style->latexparam() == "CDATA")
1248                                                 os << "<![CDATA[";
1249                                         else
1250                                           lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexparam());
1251                                 }
1252                                 break;
1253                         }
1254
1255                         desc_on = (style->labeltype == LABEL_MANUAL);
1256
1257                         environment_inner[depth] = desc_on ? "varlistentry" : "listitem";
1258                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, environment_inner[depth]);
1259
1260                         item_name = desc_on ? "term" : "para";
1261                         lines += sgml::openTag(os, depth + 1 + command_depth, mixcont, item_name);
1262
1263                         break;
1264                 default:
1265                         lines += sgml::openTag(os, depth + command_depth, mixcont, style->latexname());
1266                         break;
1267                 }
1268
1269                 buf->simpleDocBookOnePar(os, pit, desc_on, depth + 1 + command_depth);
1270
1271                 string end_tag;
1272                 // write closing SGML tags
1273                 switch (style->latextype) {
1274                 case LATEX_ENVIRONMENT:
1275                         if (!style->latexparam().empty()) {
1276                                 if (style->latexparam() == "CDATA")
1277                                         os << "]]>";
1278                                 else
1279                                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexparam());
1280                         }
1281                         break;
1282                 case LATEX_ITEM_ENVIRONMENT:
1283                         if (desc_on == 1) break;
1284                         end_tag= "para";
1285                         lines += sgml::closeTag(os, depth + 1 + command_depth, mixcont, end_tag);
1286                         break;
1287                 case LATEX_PARAGRAPH:
1288                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1289                         break;
1290                 default:
1291                         lines += sgml::closeTag(os, depth + command_depth, mixcont, style->latexname());
1292                         break;
1293                 }
1294         }
1295
1296         // Close open tags
1297         for (int d = depth; d >= 0; --d) {
1298                 if (!environment_stack[depth].empty()) {
1299                         if (environment_inner[depth] != "!-- --") {
1300                                 item_name = "listitem";
1301                                 lines += sgml::closeTag(os, command_depth + depth, mixcont, item_name);
1302                                if (environment_inner[depth] == "varlistentry")
1303                                        lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_inner[depth]);
1304                         }
1305
1306                         lines += sgml::closeTag(os, depth + command_depth, mixcont, environment_stack[depth]);
1307                 }
1308         }
1309
1310         return lines;
1311 }
1312
1313
1314 void InsetText::validate(LaTeXFeatures & features) const
1315 {
1316         for_each(paragraphs.begin(), paragraphs.end(),
1317                  boost::bind(&Paragraph::validate, _1, boost::ref(features)));
1318 }
1319
1320
1321 void InsetText::getCursor(BufferView & bv, int & x, int & y) const
1322 {
1323         if (the_locking_inset) {
1324                 the_locking_inset->getCursor(bv, x, y);
1325                 return;
1326         }
1327         x = cx();
1328         y = cy() + InsetText::y();
1329 }
1330
1331
1332 void InsetText::getCursorPos(BufferView * bv, int & x, int & y) const
1333 {
1334         if (the_locking_inset) {
1335                 the_locking_inset->getCursorPos(bv, x, y);
1336                 return;
1337         }
1338         x = cx() - top_x - TEXT_TO_INSET_OFFSET;
1339         y = cy() - TEXT_TO_INSET_OFFSET;
1340 }
1341
1342
1343 int InsetText::insetInInsetY() const
1344 {
1345         if (!the_locking_inset)
1346                 return 0;
1347
1348         return inset_y + the_locking_inset->insetInInsetY();
1349 }
1350
1351
1352 void InsetText::fitInsetCursor(BufferView * bv) const
1353 {
1354         if (the_locking_inset) {
1355                 the_locking_inset->fitInsetCursor(bv);
1356                 return;
1357         }
1358
1359         LyXFont const font = text_.getFont(cpar(), cpos());
1360
1361         int const asc = font_metrics::maxAscent(font);
1362         int const desc = font_metrics::maxDescent(font);
1363
1364         bv->fitLockedInsetCursor(cx(), cy(), asc, desc);
1365 }
1366
1367
1368 InsetOld::RESULT InsetText::moveRight(BufferView * bv)
1369 {
1370         if (text_.cursor.par()->isRightToLeftPar(bv->buffer()->params))
1371                 return moveLeftIntern(bv, false, true, false);
1372         else
1373                 return moveRightIntern(bv, true, true, false);
1374 }
1375
1376
1377 InsetOld::RESULT InsetText::moveLeft(BufferView * bv)
1378 {
1379         if (text_.cursor.par()->isRightToLeftPar(bv->buffer()->params))
1380                 return moveRightIntern(bv, true, true, false);
1381         else
1382                 return moveLeftIntern(bv, false, true, false);
1383 }
1384
1385
1386 InsetOld::RESULT
1387 InsetText::moveRightIntern(BufferView * bv, bool front,
1388                            bool activate_inset, bool selecting)
1389 {
1390         ParagraphList::iterator c_par = cpar();
1391
1392         if (boost::next(c_par) == paragraphs.end() && cpos() >= c_par->size())
1393                 return FINISHED_RIGHT;
1394         if (activate_inset && checkAndActivateInset(bv, front))
1395                 return DISPATCHED;
1396         text_.cursorRight(bv);
1397         if (!selecting)
1398                 text_.clearSelection();
1399         return DISPATCHED_NOUPDATE;
1400 }
1401
1402
1403 InsetOld::RESULT
1404 InsetText::moveLeftIntern(BufferView * bv, bool front,
1405                           bool activate_inset, bool selecting)
1406 {
1407         if (cpar() == paragraphs.begin() && cpos() <= 0)
1408                 return FINISHED;
1409         text_.cursorLeft(bv);
1410         if (!selecting)
1411                 text_.clearSelection();
1412         if (activate_inset && checkAndActivateInset(bv, front))
1413                 return DISPATCHED;
1414         return DISPATCHED_NOUPDATE;
1415 }
1416
1417
1418 InsetOld::RESULT InsetText::moveUp(BufferView * bv)
1419 {
1420         if (crow() == text_.rows().begin())
1421                 return FINISHED_UP;
1422         text_.cursorUp(bv);
1423         text_.clearSelection();
1424         return DISPATCHED_NOUPDATE;
1425 }
1426
1427
1428 InsetOld::RESULT InsetText::moveDown(BufferView * bv)
1429 {
1430         if (boost::next(crow()) == text_.rows().end())
1431                 return FINISHED_DOWN;
1432         text_.cursorDown(bv);
1433         text_.clearSelection();
1434         return DISPATCHED_NOUPDATE;
1435 }
1436
1437
1438 bool InsetText::insertInset(BufferView * bv, InsetOld * inset)
1439 {
1440         if (the_locking_inset) {
1441                 if (the_locking_inset->insetAllowed(inset))
1442                         return the_locking_inset->insertInset(bv, inset);
1443                 return false;
1444         }
1445         inset->setOwner(this);
1446         text_.insertInset(inset);
1447         bv->fitCursor();
1448         updateLocal(bv, true);
1449         return true;
1450 }
1451
1452
1453 bool InsetText::insetAllowed(InsetOld::Code code) const
1454 {
1455         // in_insetAllowed is a really gross hack,
1456         // to allow us to call the owner's insetAllowed
1457         // without stack overflow, which can happen
1458         // when the owner uses InsetCollapsable::insetAllowed()
1459         bool ret = true;
1460         if (in_insetAllowed)
1461                 return ret;
1462         in_insetAllowed = true;
1463         if (the_locking_inset)
1464                 ret = the_locking_inset->insetAllowed(code);
1465         else if (owner())
1466                 ret = owner()->insetAllowed(code);
1467         in_insetAllowed = false;
1468         return ret;
1469 }
1470
1471
1472 UpdatableInset * InsetText::getLockingInset() const
1473 {
1474         return the_locking_inset ? the_locking_inset->getLockingInset() :
1475                 const_cast<InsetText *>(this);
1476 }
1477
1478
1479 UpdatableInset * InsetText::getFirstLockingInsetOfType(InsetOld::Code c)
1480 {
1481         if (c == lyxCode())
1482                 return this;
1483         if (the_locking_inset)
1484                 return the_locking_inset->getFirstLockingInsetOfType(c);
1485         return 0;
1486 }
1487
1488
1489 bool InsetText::showInsetDialog(BufferView * bv) const
1490 {
1491         if (the_locking_inset)
1492                 return the_locking_inset->showInsetDialog(bv);
1493         return false;
1494 }
1495
1496
1497 void InsetText::getLabelList(std::vector<string> & list) const
1498 {
1499         ParagraphList::const_iterator pit = paragraphs.begin();
1500         ParagraphList::const_iterator pend = paragraphs.end();
1501         for (; pit != pend; ++pit) {
1502                 InsetList::const_iterator beg = pit->insetlist.begin();
1503                 InsetList::const_iterator end = pit->insetlist.end();
1504                 for (; beg != end; ++beg)
1505                         beg->inset->getLabelList(list);
1506         }
1507 }
1508
1509
1510 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1511                         bool selectall)
1512 {
1513         if (the_locking_inset) {
1514                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1515                 return;
1516         }
1517
1518         if ((paragraphs.size() == 1 && paragraphs.begin()->empty())
1519             || cpar()->empty()) {
1520                 text_.setFont(font, toggleall);
1521                 return;
1522         }
1523
1524
1525         if (text_.selection.set())
1526                 recordUndo(bv, Undo::ATOMIC, text_.cursor.par());
1527
1528         if (selectall) {
1529                 text_.cursorTop();
1530                 text_.selection.cursor = text_.cursor;
1531                 text_.cursorBottom();
1532                 text_.setSelection();
1533         }
1534
1535         text_.toggleFree(font, toggleall);
1536
1537         if (selectall)
1538                 text_.clearSelection();
1539
1540         bv->fitCursor();
1541         updateLocal(bv, true);
1542 }
1543
1544
1545 bool InsetText::checkAndActivateInset(BufferView * bv, bool front)
1546 {
1547         InsetOld * inset = cpar()->getInset(cpos());
1548         if (!isHighlyEditableInset(inset))
1549                 return false;
1550         FuncRequest cmd(bv, LFUN_INSET_EDIT, front ? "left" : "right");
1551         inset->localDispatch(cmd);
1552         if (!the_locking_inset)
1553                 return false;
1554         updateLocal(bv, false);
1555         return true;
1556 }
1557
1558
1559 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1560                                       mouse_button::state button)
1561 {
1562         x -= drawTextXOffset;
1563         int dummyx = x;
1564         int dummyy = y + dim_.asc;
1565         InsetOld * inset = getLyXText(bv)->checkInsetHit(dummyx, dummyy);
1566         // we only do the edit() call if the inset was hit by the mouse
1567         // or if it is a highly editable inset. So we should call this
1568         // function from our own edit with button < 0.
1569         // FIXME: GUII jbl. I've changed this to ::none for now which is probably
1570         // WRONG
1571         if (button == mouse_button::none && !isHighlyEditableInset(inset))
1572                 return false;
1573
1574         if (!inset)
1575                 return false;
1576         if (x < 0)
1577                 x = dim_.wid;
1578         if (y < 0)
1579                 y = dim_.des;
1580         inset_x = cix() - top_x + drawTextXOffset;
1581         inset_y = ciy() + drawTextYOffset;
1582         FuncRequest cmd(bv, LFUN_INSET_EDIT, x - inset_x, y - inset_y, button);
1583         inset->localDispatch(cmd);
1584         if (!the_locking_inset)
1585                 return false;
1586         updateLocal(bv, false);
1587         return true;
1588 }
1589
1590
1591 void InsetText::setParagraphData(ParagraphList const & plist)
1592 {
1593         // we have to unlock any locked inset otherwise we're in troubles
1594         the_locking_inset = 0;
1595
1596         // But it it makes no difference that is a lot better.
1597 #warning FIXME.
1598         // See if this can be simplified when std::list is in effect.
1599         paragraphs.clear();
1600
1601         ParagraphList::const_iterator it = plist.begin();
1602         ParagraphList::const_iterator end = plist.end();
1603         for (; it != end; ++it) {
1604                 paragraphs.push_back(*it);
1605                 paragraphs.back().setInsetOwner(this);
1606         }
1607
1608         reinitLyXText();
1609 }
1610
1611
1612 void InsetText::markNew(bool track_changes)
1613 {
1614         ParagraphList::iterator pit = paragraphs.begin();
1615         ParagraphList::iterator pend = paragraphs.end();
1616         for (; pit != pend; ++pit) {
1617                 if (track_changes) {
1618                         pit->trackChanges();
1619                 } else {
1620                         // no-op when not tracking
1621                         pit->cleanChanges();
1622                 }
1623         }
1624 }
1625
1626
1627 void InsetText::setText(string const & data, LyXFont const & font)
1628 {
1629         clear(false);
1630         for (unsigned int i = 0; i < data.length(); ++i)
1631                 paragraphs.begin()->insertChar(i, data[i], font);
1632         reinitLyXText();
1633 }
1634
1635
1636 void InsetText::setAutoBreakRows(bool flag)
1637 {
1638         if (flag != autoBreakRows) {
1639                 autoBreakRows = flag;
1640                 if (!flag)
1641                         removeNewlines();
1642         }
1643 }
1644
1645
1646 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1647 {
1648         if (how != drawFrame_) {
1649                 drawFrame_ = how;
1650                 updateLocal(bv, false);
1651         }
1652 }
1653
1654
1655 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1656 {
1657         if (frame_color != col) {
1658                 frame_color = col;
1659                 updateLocal(bv, false);
1660         }
1661 }
1662
1663
1664 int InsetText::cx() const
1665 {
1666         int x = text_.cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1667         if (the_locking_inset) {
1668                 LyXFont font = text_.getFont(text_.cursor.par(), text_.cursor.pos());
1669                 if (font.isVisibleRightToLeft())
1670                         x -= the_locking_inset->width();
1671         }
1672         return x;
1673 }
1674
1675
1676 int InsetText::cix() const
1677 {
1678         int x = text_.cursor.ix() + top_x + TEXT_TO_INSET_OFFSET;
1679         if (the_locking_inset) {
1680                 LyXFont font = text_.getFont(text_.cursor.par(), text_.cursor.pos());
1681                 if (font.isVisibleRightToLeft())
1682                         x -= the_locking_inset->width();
1683         }
1684         return x;
1685 }
1686
1687
1688 int InsetText::cy() const
1689 {
1690         return text_.cursor.y() - dim_.asc + TEXT_TO_INSET_OFFSET;
1691 }
1692
1693
1694 int InsetText::ciy() const
1695 {
1696         return text_.cursor.iy() - dim_.asc + TEXT_TO_INSET_OFFSET;
1697 }
1698
1699
1700 pos_type InsetText::cpos() const
1701 {
1702         return text_.cursor.pos();
1703 }
1704
1705
1706 ParagraphList::iterator InsetText::cpar() const
1707 {
1708         return text_.cursor.par();
1709 }
1710
1711
1712 bool InsetText::cboundary() const
1713 {
1714         return text_.cursor.boundary();
1715 }
1716
1717
1718 RowList::iterator InsetText::crow() const
1719 {
1720         return text_.cursorRow();
1721 }
1722
1723
1724 LyXText * InsetText::getLyXText(BufferView const * bv,
1725                                 bool const recursive) const
1726 {
1727         setViewCache(bv);
1728         if (recursive && the_locking_inset)
1729                 return the_locking_inset->getLyXText(bv, true);
1730         return &text_;
1731 }
1732
1733
1734 void InsetText::setViewCache(BufferView const * bv) const
1735 {
1736         if (bv)
1737                 text_.bv_owner = const_cast<BufferView *>(bv);
1738 }
1739
1740
1741 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1742 {
1743         if (recursive) {
1744                 /// then remove all LyXText in text-insets
1745                 for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1746                          const_cast<ParagraphList&>(paragraphs).end(),
1747                          boost::bind(&Paragraph::deleteInsetsLyXText, _1, bv));
1748         }
1749 }
1750
1751
1752 void InsetText::resizeLyXText(BufferView * bv, bool /*force*/) const
1753 {
1754         if (paragraphs.size() == 1 && paragraphs.begin()->empty())
1755                 return;
1756
1757         if (!bv)
1758                 return;
1759
1760         Assert(bv);
1761         setViewCache(bv);
1762
1763         for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1764                  const_cast<ParagraphList&>(paragraphs).end(),
1765                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
1766
1767         saveLyXTextState();
1768         text_.init(bv);
1769         restoreLyXTextState();
1770
1771         // seems to be unneeded
1772 #if 1
1773         if (the_locking_inset) {
1774                 inset_x = cix() - top_x + drawTextXOffset;
1775                 inset_y = ciy() + drawTextYOffset;
1776         }
1777
1778         text_.top_y(bv->screen().topCursorVisible(&text_));
1779         if (!owner()) {
1780                 const_cast<InsetText*>(this)->updateLocal(bv, false);
1781                 // this will scroll the screen such that the cursor becomes visible
1782                 bv->updateScrollbar();
1783         }
1784 #endif
1785 }
1786
1787
1788 void InsetText::reinitLyXText() const
1789 {
1790         BufferView * bv = text_.bv_owner;
1791
1792         if (!bv)
1793                 return;
1794
1795         saveLyXTextState();
1796
1797         for_each(const_cast<ParagraphList&>(paragraphs).begin(),
1798                  const_cast<ParagraphList&>(paragraphs).end(),
1799                  boost::bind(&Paragraph::resizeInsetsLyXText, _1, bv));
1800
1801         text_.init(bv);
1802         restoreLyXTextState();
1803         if (the_locking_inset) {
1804                 inset_x = cix() - top_x + drawTextXOffset;
1805                 inset_y = ciy() + drawTextYOffset;
1806         }
1807         text_.top_y(bv->screen().topCursorVisible(&text_));
1808         if (!owner()) {
1809                 // this will scroll the screen such that the cursor becomes visible
1810                 bv->updateScrollbar();
1811         }
1812 }
1813
1814
1815 void InsetText::removeNewlines()
1816 {
1817         bool changed = false;
1818
1819         ParagraphList::iterator it = paragraphs.begin();
1820         ParagraphList::iterator end = paragraphs.end();
1821         for (; it != end; ++it) {
1822                 for (int i = 0; i < it->size(); ++i) {
1823                         if (it->isNewline(i)) {
1824                                 changed = true;
1825                                 it->erase(i);
1826                         }
1827                 }
1828         }
1829         if (changed)
1830                 reinitLyXText();
1831 }
1832
1833
1834 int InsetText::scroll(bool recursive) const
1835 {
1836         int sx = UpdatableInset::scroll(false);
1837
1838         if (recursive && the_locking_inset)
1839                 sx += the_locking_inset->scroll(recursive);
1840
1841         return sx;
1842 }
1843
1844
1845 void InsetText::clearSelection(BufferView * bv)
1846 {
1847         getLyXText(bv)->clearSelection();
1848 }
1849
1850
1851 void InsetText::clearInset(BufferView * bv, int start_x, int baseline) const
1852 {
1853         Painter & pain = bv->painter();
1854         int w = dim_.wid;
1855         int h = dim_.asc + dim_.des;
1856         int ty = baseline - dim_.asc;
1857
1858         if (ty < 0) {
1859                 h += ty;
1860                 ty = 0;
1861         }
1862         if (ty + h > pain.paperHeight())
1863                 h = pain.paperHeight();
1864         if (top_x + drawTextXOffset + w > pain.paperWidth())
1865                 w = pain.paperWidth();
1866         pain.fillRectangle(start_x + 1, ty + 1, w - 3, h - 1, backgroundColor());
1867 }
1868
1869
1870 ParagraphList * InsetText::getParagraphs(int i) const
1871 {
1872         return (i == 0) ? const_cast<ParagraphList*>(&paragraphs) : 0;
1873 }
1874
1875
1876 LyXCursor const & InsetText::cursor(BufferView * bv) const
1877 {
1878         if (the_locking_inset)
1879                 return the_locking_inset->cursor(bv);
1880         return getLyXText(bv)->cursor;
1881 }
1882
1883
1884 InsetOld * InsetText::getInsetFromID(int id_arg) const
1885 {
1886         if (id_arg == id())
1887                 return const_cast<InsetText *>(this);
1888
1889         ParagraphList::const_iterator pit = paragraphs.begin();
1890         ParagraphList::const_iterator pend = paragraphs.end();
1891         for (; pit != pend; ++pit) {
1892                 InsetList::const_iterator it = pit->insetlist.begin();
1893                 InsetList::const_iterator end = pit->insetlist.end();
1894                 for (; it != end; ++it) {
1895                         if (it->inset->id() == id_arg)
1896                                 return it->inset;
1897                         InsetOld * in = it->inset->getInsetFromID(id_arg);
1898                         if (in)
1899                                 return in;
1900                 }
1901         }
1902         return 0;
1903 }
1904
1905
1906 WordLangTuple const
1907 InsetText::selectNextWordToSpellcheck(BufferView * bv, float & value) const
1908 {
1909         WordLangTuple word;
1910         if (the_locking_inset) {
1911                 word = the_locking_inset->selectNextWordToSpellcheck(bv, value);
1912                 if (!word.word().empty()) {
1913                         value += cy();
1914                         return word;
1915                 }
1916                 // we have to go on checking so move cursor to the next char
1917                 text_.cursor.pos(text_.cursor.pos() + 1);
1918         }
1919         word = text_.selectNextWordToSpellcheck(value);
1920         if (word.word().empty())
1921                 bv->unlockInset(const_cast<InsetText *>(this));
1922         else
1923                 value = cy();
1924         return word;
1925 }
1926
1927
1928 void InsetText::selectSelectedWord(BufferView * bv)
1929 {
1930         if (the_locking_inset) {
1931                 the_locking_inset->selectSelectedWord(bv);
1932                 return;
1933         }
1934         getLyXText(bv)->selectSelectedWord();
1935         updateLocal(bv, false);
1936 }
1937
1938
1939 bool InsetText::nextChange(BufferView * bv, lyx::pos_type & length)
1940 {
1941         if (the_locking_inset) {
1942                 if (the_locking_inset->nextChange(bv, length))
1943                         return true;
1944                 text_.cursorRight(true);
1945         }
1946         lyx::find::SearchResult result =
1947                 lyx::find::findNextChange(bv, &text_, length);
1948
1949         if (result == lyx::find::SR_FOUND) {
1950                 LyXCursor cur = text_.cursor;
1951                 bv->unlockInset(bv->theLockingInset());
1952                 if (bv->lockInset(this))
1953                         locked = true;
1954                 text_.cursor = cur;
1955                 text_.setSelectionRange(length);
1956                 updateLocal(bv, false);
1957         }
1958         return result != lyx::find::SR_NOT_FOUND;
1959 }
1960
1961
1962 bool InsetText::searchForward(BufferView * bv, string const & str,
1963                               bool cs, bool mw)
1964 {
1965         if (the_locking_inset) {
1966                 if (the_locking_inset->searchForward(bv, str, cs, mw))
1967                         return true;
1968                 text_.cursorRight(true);
1969         }
1970         lyx::find::SearchResult result =
1971                 lyx::find::find(bv, &text_, str, true, cs, mw);
1972
1973         if (result == lyx::find::SR_FOUND) {
1974                 LyXCursor cur = text_.cursor;
1975                 bv->unlockInset(bv->theLockingInset());
1976                 if (bv->lockInset(this))
1977                         locked = true;
1978                 text_.cursor = cur;
1979                 text_.setSelectionRange(str.length());
1980                 updateLocal(bv, false);
1981         }
1982         return result != lyx::find::SR_NOT_FOUND;
1983 }
1984
1985
1986 bool InsetText::searchBackward(BufferView * bv, string const & str,
1987                                bool cs, bool mw)
1988 {
1989         if (the_locking_inset) {
1990                 if (the_locking_inset->searchBackward(bv, str, cs, mw))
1991                         return true;
1992         }
1993         if (!locked) {
1994                 ParagraphList::iterator pit = paragraphs.begin();
1995                 ParagraphList::iterator pend = paragraphs.end();
1996
1997                 while (boost::next(pit) != pend)
1998                         ++pit;
1999
2000                 text_.setCursor(pit, pit->size());
2001         }
2002         lyx::find::SearchResult result =
2003                 lyx::find::find(bv, &text_, str, false, cs, mw);
2004
2005         if (result == lyx::find::SR_FOUND) {
2006                 LyXCursor cur = text_.cursor;
2007                 bv->unlockInset(bv->theLockingInset());
2008                 if (bv->lockInset(this))
2009                         locked = true;
2010                 text_.cursor = cur;
2011                 text_.setSelectionRange(str.length());
2012                 updateLocal(bv, false);
2013         }
2014         return result != lyx::find::SR_NOT_FOUND;
2015 }
2016
2017
2018 bool InsetText::checkInsertChar(LyXFont & font)
2019 {
2020         return owner() ? owner()->checkInsertChar(font) : true;
2021 }
2022
2023
2024 void InsetText::collapseParagraphs(BufferView * bv)
2025 {
2026         while (paragraphs.size() > 1) {
2027                 ParagraphList::iterator first_par = paragraphs.begin();
2028                 ParagraphList::iterator next_par = boost::next(first_par);
2029                 size_t const first_par_size = first_par->size();
2030
2031                 if (!first_par->empty() &&
2032                     !next_par->empty() &&
2033                     !first_par->isSeparator(first_par_size - 1)) {
2034                         first_par->insertChar(first_par_size, ' ');
2035                 }
2036
2037                 if (text_.selection.set()) {
2038                         if (text_.selection.start.par() == next_par) {
2039                                 text_.selection.start.par(first_par);
2040                                 text_.selection.start.pos(
2041                                         text_.selection.start.pos() + first_par_size);
2042                         }
2043                         if (text_.selection.end.par() == next_par) {
2044                                 text_.selection.end.par(first_par);
2045                                 text_.selection.end.pos(
2046                                         text_.selection.end.pos() + first_par_size);
2047                         }
2048                 }
2049
2050                 mergeParagraph(bv->buffer()->params, paragraphs, first_par);
2051         }
2052         reinitLyXText();
2053 }
2054
2055
2056 void InsetText::getDrawFont(LyXFont & font) const
2057 {
2058         if (!owner())
2059                 return;
2060         owner()->getDrawFont(font);
2061 }
2062
2063
2064 void InsetText::appendParagraphs(Buffer * buffer, ParagraphList & plist)
2065 {
2066 #warning FIXME Check if Changes stuff needs changing here. (Lgb)
2067 // And it probably does. You have to take a look at this John. (Lgb)
2068 #warning John, have a look here. (Lgb)
2069         ParagraphList::iterator pit = plist.begin();
2070         ParagraphList::iterator ins = paragraphs.insert(paragraphs.end(), *pit);
2071         ++pit;
2072         mergeParagraph(buffer->params, paragraphs, boost::prior(ins));
2073
2074         ParagraphList::iterator pend = plist.end();
2075         for (; pit != pend; ++pit)
2076                 paragraphs.push_back(*pit);
2077
2078         reinitLyXText();
2079 }
2080
2081
2082 void InsetText::addPreview(PreviewLoader & loader) const
2083 {
2084         ParagraphList::const_iterator pit = paragraphs.begin();
2085         ParagraphList::const_iterator pend = paragraphs.end();
2086
2087         for (; pit != pend; ++pit) {
2088                 InsetList::const_iterator it  = pit->insetlist.begin();
2089                 InsetList::const_iterator end = pit->insetlist.end();
2090                 for (; it != end; ++it)
2091                         it->inset->addPreview(loader);
2092         }
2093 }