src/insets/insettext.C

   1 /* This file is part of
   2  * ======================================================
   3  *
   4  *           LyX, The Document Processor
   5  *
   6  *           Copyright 1998-2001 The LyX Team.
   7  *
   8  * ======================================================
   9  */
  10
  11 #include <config.h>
  12
  13 #include <fstream>
  14 #include <algorithm>
  15
  16 #include <cstdlib>
  17
  18 #ifdef __GNUG__
  19 #pragma implementation
  20 #endif
  21
  22 #include "insettext.h"
  23 #include "paragraph.h"
  24 #include "lyxlex.h"
  25 #include "debug.h"
  26 #include "lyxfont.h"
  27 #include "commandtags.h"
  28 #include "buffer.h"
  29 #include "LyXView.h"
  30 #include "BufferView.h"
  31 #include "layout.h"
  32 #include "LaTeXFeatures.h"
  33 #include "Painter.h"
  34 #include "lyx_gui_misc.h"
  35 #include "lyxtext.h"
  36 #include "lyxcursor.h"
  37 #include "CutAndPaste.h"
  38 #include "font.h"
  39 #include "LColor.h"
  40 #include "support/textutils.h"
  41 #include "support/LAssert.h"
  42 #include "lyxrow.h"
  43 #include "lyxrc.h"
  44 #include "intl.h"
  45 #include "trans_mgr.h"
  46 #include "lyxscreen.h"
  47 #include "WorkArea.h"
  48 #include "gettext.h"
  49 #include "lyxfunc.h"
  50 #include "ParagraphParameters.h"
  51
  52 using std::ostream;
  53 using std::ifstream;
  54 using std::endl;
  55 using std::min;
  56 using std::max;
  57
  58 extern unsigned char getCurrentTextClass(Buffer *);
  59 extern bool math_insert_greek(BufferView *, char);
  60 extern int greek_kb_flag;
  61
  62 InsetText::InsetText()
  63 {
  64         par = new Paragraph;
  65         init();
  66 }
  67
  68
  69 InsetText::InsetText(InsetText const & ins)
  70         : UpdatableInset()
  71 {
  72         par = 0;
  73         init(&ins);
  74         autoBreakRows = ins.autoBreakRows;
  75 }
  76
  77
  78 InsetText & InsetText::operator=(InsetText const & it)
  79 {
  80         init(&it);
  81         autoBreakRows = it.autoBreakRows;
  82         return * this;
  83 }
  84
  85
  86 void InsetText::init(InsetText const * ins)
  87 {
  88         top_y = 0;
  89         last_width = 0;
  90         last_height = 0;
  91         insetAscent = 0;
  92         insetDescent = 0;
  93         insetWidth = 0;
  94         the_locking_inset = 0;
  95         old_max_width = 0;
  96         no_selection = false;
  97         need_update = INIT;
  98         drawTextXOffset = 0;
  99         drawTextYOffset = 0;
 100         autoBreakRows = false;
 101         drawFrame_ = NEVER;
 102         xpos = 0.0;
 103         if (ins) {
 104                 setParagraphData(ins->par);
 105                 autoBreakRows = ins->autoBreakRows;
 106                 drawFrame_ = ins->drawFrame_;
 107         }
 108         par->setInsetOwner(this);
 109         frame_color = LColor::insetframe;
 110         locked = false;
 111         old_par = 0;
 112         last_drawn_width = -1;
 113         frame_is_visible = false;
 114 }
 115
 116
 117 InsetText::~InsetText()
 118 {
 119         // delete all instances of LyXText before deleting the paragraps used
 120         // by it.
 121         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 122                 delete (*cit).second;
 123                 (*cit).second = 0;
 124         }
 125
 126         while (par) {
 127                 Paragraph * tmp = par->next();
 128                 delete par;
 129                 par = tmp;
 130         }
 131 }
 132
 133
 134 void InsetText::clear()
 135 {
 136         // delete all instances of LyXText before deleting the paragraps used
 137         // by it.
 138         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 139                 delete (*cit).second;
 140                 (*cit).second = 0;
 141         }
 142
 143         while (par) {
 144                 Paragraph * tmp = par->next();
 145                 delete par;
 146                 par = tmp;
 147         }
 148         par = new Paragraph;
 149 }
 150
 151
 152 Inset * InsetText::clone(Buffer const &) const
 153 {
 154         InsetText * t = new InsetText(*this);
 155         return t;
 156 }
 157
 158
 159 void InsetText::write(Buffer const * buf, ostream & os) const
 160 {
 161         os << "Text\n";
 162         writeParagraphData(buf, os);
 163 }
 164
 165
 166 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 167 {
 168         par->writeFile(buf, os, buf->params, 0);
 169 }
 170
 171
 172 void InsetText::read(Buffer const * buf, LyXLex & lex)
 173 {
 174         string token;
 175         int pos = 0;
 176         Paragraph * return_par = 0;
 177         Paragraph::depth_type depth = 0;
 178         LyXFont font(LyXFont::ALL_INHERIT);
 179
 180         clear();
 181
 182         while (lex.IsOK()) {
 183                 lex.nextToken();
 184                 token = lex.GetString();
 185                 if (token.empty())
 186                         continue;
 187                 if (token == "\\end_inset")
 188                         break;
 189                 if (const_cast<Buffer*>(buf)->
 190                         parseSingleLyXformat2Token(lex, par, return_par,
 191                                                    token, pos, depth, font)) {
 192                         // the_end read this should NEVER happen
 193                         lex.printError("\\the_end read in inset! Error in document!");
 194                         return;
 195                 }
 196         }
 197         if (!return_par)
 198                 return_par = par;
 199         par = return_par;
 200         while(return_par) {
 201                 return_par->setInsetOwner(this);
 202                 return_par = return_par->next();
 203         }
 204
 205         if (token != "\\end_inset") {
 206                 lex.printError("Missing \\end_inset at this point. "
 207                                            "Read: `$$Token'");
 208         }
 209         need_update = INIT;
 210 }
 211
 212
 213 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 214 {
 215         int y_temp = 0;
 216         Row * row = getLyXText(bv)->getRowNearY(y_temp);
 217         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 218         return insetAscent;
 219 }
 220
 221
 222 int InsetText::descent(BufferView * bv, LyXFont const &) const
 223 {
 224                 LyXText * t = getLyXText(bv);
 225         int y_temp = 0;
 226         Row * row = t->getRowNearY(y_temp);
 227         insetDescent = t->height - row->ascent_of_text() +
 228         TEXT_TO_INSET_OFFSET;
 229         return insetDescent;
 230 }
 231
 232
 233 int InsetText::width(BufferView * bv, LyXFont const &) const
 234 {
 235         insetWidth = max(textWidth(bv),
 236                          (int)getLyXText(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 237         return insetWidth;
 238 }
 239
 240
 241 int InsetText::textWidth(BufferView * bv) const
 242 {
 243         int const w = getMaxWidth(bv, this);
 244         return w;
 245 }
 246
 247
 248 void InsetText::draw(BufferView * bv, LyXFont const & f,
 249                      int baseline, float & x, bool cleared) const
 250 {
 251         if (nodraw())
 252                 return;
 253
 254         Painter & pain = bv->painter();
 255
 256         // no draw is necessary !!!
 257         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 258                 top_x = int(x);
 259                 top_baseline = baseline;
 260                 x += width(bv, f);
 261                 if (!cleared && (need_update & CLEAR_FRAME))
 262                         clearFrame(pain, cleared);
 263                 else if (cleared)
 264                         frame_is_visible = false;
 265                 need_update = NONE;
 266                 return;
 267         }
 268
 269         xpos = x;
 270 #if 0
 271         UpdatableInset::draw(bv, f, baseline, x, cleared);
 272 #else
 273         if (!owner())
 274                 x += static_cast<float>(scroll());
 275 #endif
 276 #if 0
 277         // update insetWidth and insetHeight with dummy calls
 278         (void)ascent(bv, f);
 279         (void)descent(bv, f);
 280         (void)width(bv, f);
 281 #endif
 282
 283         // if top_x differs we have a rule down and we don't have to clear anything
 284         if (!cleared && (top_x == int(x)) &&
 285                 ((need_update&(INIT|FULL)) || (top_baseline!=baseline) ||
 286                  (last_drawn_width!=insetWidth))) {
 287                 clearInset(pain, baseline, cleared);
 288         }
 289         if (cleared)
 290                 frame_is_visible = false;
 291
 292         if (!cleared && (need_update == NONE))
 293                 return;
 294
 295         if (top_x != int(x)) {
 296                 if ((getMaxWidth(bv, this) > 0) &&
 297                         (getLyXText(bv)->width != old_max_width)) {
 298                         resizeLyXText(bv);
 299                         need_update |= FULL;
 300                         old_max_width = getLyXText(bv)->width;
 301                         bv->text->status = LyXText::CHANGED_IN_DRAW;
 302                 }
 303                 top_x = int(x);
 304 #if 1
 305                 clearInset(pain, baseline, cleared);
 306 #else
 307                 return;
 308 #endif
 309         }
 310
 311 //      lyxerr << "InsetText::draw[" << this << "](" << need_update << ":" << int(x) << ":" << top_x << ")\n";
 312
 313         if (cleared || (last_drawn_width != insetWidth)) {
 314                 need_update |= FULL;
 315                 last_drawn_width = insetWidth;
 316         }
 317
 318         top_baseline = baseline;
 319         top_y = baseline - ascent(bv, f);
 320         last_width = width(bv, f);
 321         last_height = ascent(bv, f) + descent(bv, f);
 322
 323         if (the_locking_inset && (cpar(bv) == inset_par)
 324                 && (cpos(bv) == inset_pos)) {
 325                 inset_x = cx(bv) - top_x + drawTextXOffset;
 326                 inset_y = cy(bv) + drawTextYOffset;
 327         }
 328         if (!cleared && (need_update == CURSOR)
 329                 && !getLyXText(bv)->selection.set()) {
 330                 drawFrame(pain, cleared);
 331                 x += last_width; // was width(bv, f);
 332                 need_update = NONE;
 333                 return;
 334         }
 335         x += TEXT_TO_INSET_OFFSET;
 336
 337         int y = 0;
 338         Row * row = getLyXText(bv)->getRowNearY(y);
 339         int y_offset = baseline - row->ascent_of_text();
 340         int ph = pain.paperHeight();
 341         int first = 0;
 342         y = y_offset;
 343         while ((row != 0) && ((y+row->height()) <= 0)) {
 344                 y += row->height();
 345                 first += row->height();
 346                 row = row->next();
 347         }
 348         if (y_offset < 0)
 349                 y_offset = y;
 350         getLyXText(bv)->first = first;
 351         if (cleared) {
 352                 int yf = y_offset;
 353                 y = 0;
 354                 while ((row != 0) && (yf < ph)) {
 355                         getLyXText(bv)->getVisibleRow(bv, y+y_offset, int(x), row,
 356                                                 y+first, cleared);
 357                         y += row->height();
 358                         yf += row->height();
 359                         row = row->next();
 360                 }
 361         } else if (!locked) {
 362                 if (need_update & CURSOR) {
 363                         bv->screen()->ToggleSelection(getLyXText(bv), bv, true, y_offset,int(x));
 364                         getLyXText(bv)->clearSelection(bv);
 365                         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 366                 }
 367                 bv->screen()->Update(getLyXText(bv), bv, y_offset, int(x));
 368         } else {
 369                 locked = false;
 370                 if (need_update & SELECTION)
 371                         bv->screen()->ToggleToggle(getLyXText(bv), bv, y_offset, int(x));
 372                 else if (need_update & CURSOR) {
 373                         bv->screen()->ToggleSelection(getLyXText(bv), bv, true, y_offset,int(x));
 374                         getLyXText(bv)->clearSelection(bv);
 375                         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 376                 }
 377                 bv->screen()->Update(getLyXText(bv), bv, y_offset, int(x));
 378                 locked = true;
 379         }
 380
 381         getLyXText(bv)->refresh_y = 0;
 382         getLyXText(bv)->status = LyXText::UNCHANGED;
 383         if ((need_update != CURSOR_PAR) &&
 384                 ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked)))
 385                 drawFrame(pain, cleared);
 386         else if (need_update & CLEAR_FRAME)
 387                 clearFrame(pain, cleared);
 388         x += last_width /* was width(bv, f) */ - TEXT_TO_INSET_OFFSET;
 389         if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 390                 need_update |= INIT;
 391         } else if (need_update != INIT)
 392                 need_update = NONE;
 393 }
 394
 395
 396 void InsetText::drawFrame(Painter & pain, bool cleared) const
 397 {
 398         if (!frame_is_visible || cleared) {
 399                 pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 400                                insetWidth - 1, insetAscent + insetDescent - 1,
 401                                frame_color);
 402                 frame_is_visible = true;
 403         }
 404 }
 405
 406
 407 void InsetText::clearFrame(Painter & pain, bool cleared) const
 408 {
 409         if (frame_is_visible) {
 410                 if (!cleared) {
 411                         pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 412                                        insetWidth - 1, insetAscent + insetDescent - 1,
 413                                        LColor::background);
 414                 }
 415                 frame_is_visible = false;
 416         }
 417 }
 418
 419
 420 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 421 {
 422                 LyXText * t = getLyXText(bv);
 423
 424 #if 0
 425         int ww = t->width;
 426         t->BreakParagraph(bv);
 427         if (ww != t->width)
 428                 reinit = true;
 429 #endif
 430         if (reinit) {
 431                 need_update |= INIT;
 432                 resizeLyXText(bv);
 433                 if (owner())
 434                         owner()->update(bv, font, true);
 435                 return;
 436         }
 437         if (the_locking_inset) {
 438                 inset_x = cx(bv) - top_x + drawTextXOffset;
 439                 inset_y = cy(bv) + drawTextYOffset;
 440                 the_locking_inset->update(bv, font, reinit);
 441         }
 442 #if 0
 443         if (need_update == INIT) {
 444                 resizeLyXText(bv);
 445                 need_update |= FULL;
 446         }
 447 #endif
 448         int oldw = insetWidth;
 449         insetWidth = t->width + (2 * TEXT_TO_INSET_OFFSET);
 450         if (oldw != insetWidth) {
 451                 resizeLyXText(bv);
 452                 need_update |= FULL;
 453 //              update(bv, font, reinit);
 454                 return;
 455         }
 456         if ((need_update & CURSOR_PAR) && t->status == LyXText::UNCHANGED &&
 457                 the_locking_inset) {
 458                 t->updateInset(bv, the_locking_inset);
 459         }
 460
 461         if (t->status == LyXText::NEED_MORE_REFRESH)
 462                 need_update |= FULL;
 463 #if 0
 464         int y_temp = 0;
 465         Row * row = t->GetRowNearY(y_temp);
 466         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 467         insetDescent = t->height - row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 468 #endif
 469 }
 470
 471
 472 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 473 {
 474         LyXText * t = getLyXText(bv);
 475         need_update |= what;
 476         if (t->status == LyXText::NEED_MORE_REFRESH)
 477                 need_update |= FULL;
 478         else if (t->status == LyXText::NEED_VERY_LITTLE_REFRESH)
 479                 need_update |= CURSOR_PAR;
 480
 481         // this to not draw a selection when we redraw all of it!
 482         if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 483                 t->clearSelection(bv);
 484 }
 485
 486
 487 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty)
 488 {
 489                 LyXText * t = getLyXText(bv);
 490         t->fullRebreak(bv);
 491         setUpdateStatus(bv, what);
 492         if (need_update != CURSOR || t->status != LyXText::UNCHANGED ||
 493                 t->selection.set())
 494                 bv->updateInset(this, mark_dirty);
 495         bv->owner()->showState();
 496         if (old_par != cpar(bv)) {
 497                 bv->owner()->setLayout(cpar(bv)->getLayout());
 498                 old_par = cpar(bv);
 499         }
 500 }
 501
 502
 503 string const InsetText::editMessage() const
 504 {
 505         return _("Opened Text Inset");
 506 }
 507
 508
 509 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 510 {
 511 //    par->SetInsetOwner(this);
 512         UpdatableInset::edit(bv, x, y, button);
 513
 514         if (!bv->lockInset(this)) {
 515                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 516                 return;
 517         }
 518         locked = true;
 519         the_locking_inset = 0;
 520         inset_pos = inset_x = inset_y = 0;
 521         inset_boundary = false;
 522         inset_par = 0;
 523         old_par = 0;
 524         int tmp_y = (y < 0) ? 0 : y;
 525         LyXText * t = getLyXText(bv);
 526
 527         if (!checkAndActivateInset(bv, x, tmp_y, button)) {
 528                 t->setCursorFromCoordinates(bv, x - drawTextXOffset,
 529                                                                         y + insetAscent);
 530         }
 531
 532         t->selection.cursor = t->cursor;
 533         bv->text->finishUndo();
 534         showInsetCursor(bv);
 535         updateLocal(bv, CURSOR, false);
 536
 537         // If the inset is empty set the language of the current font to the
 538         // language to the surronding text (if different).
 539         if (par->size() == 0 && !par->next() &&
 540                 bv->getParentLanguage(this) != t->current_font.language()) {
 541                 LyXFont font(LyXFont::ALL_IGNORE);
 542                 font.setLanguage(bv->getParentLanguage(this));
 543                 setFont(bv, font, false);
 544         }
 545 }
 546
 547
 548 void InsetText::insetUnlock(BufferView * bv)
 549 {
 550         if (the_locking_inset) {
 551                 the_locking_inset->insetUnlock(bv);
 552                 the_locking_inset = 0;
 553         }
 554         hideInsetCursor(bv);
 555         no_selection = false;
 556         locked = false;
 557         int code = CURSOR|CLEAR_FRAME;
 558         LyXText * t = getLyXText(bv);
 559         if (t->selection.set()) {
 560                 t->clearSelection(bv);
 561                 code = FULL;
 562         } else if (owner()) {
 563                 bv->owner()->setLayout(owner()->getLyXText(bv)
 564                                        ->cursor.par()->getLayout());
 565         } else
 566                 bv->owner()->setLayout(bv->text->cursor.par()->getLayout());
 567         updateLocal(bv, code, false);
 568 }
 569
 570
 571 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 572 {
 573         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 574                               << inset << "): ";
 575         if (!inset)
 576                 return false;
 577         if (inset == cpar(bv)->getInset(cpos(bv))) {
 578                 lyxerr[Debug::INSETS] << "OK" << endl;
 579                 the_locking_inset = inset;
 580                 inset_x = cx(bv) - top_x + drawTextXOffset;
 581                 inset_y = cy(bv) + drawTextYOffset;
 582                 inset_pos = cpos(bv);
 583                 inset_par = cpar(bv);
 584                 inset_boundary = cboundary(bv);
 585 #if 0
 586                 getLyXText(bv)->clearSelection(bv);
 587                 getLyXText(bv)->sel_cursor = getLyXText(bv)->cursor;
 588                 getLyXText(bv)->UpdateInset(bv, the_locking_inset);
 589 #else
 590                 updateLocal(bv, CURSOR, false);
 591 #endif
 592                 return true;
 593         } else if (the_locking_inset && (the_locking_inset == inset)) {
 594                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 595                         lyxerr[Debug::INSETS] << "OK" << endl;
 596                         inset_x = cx(bv) - top_x + drawTextXOffset;
 597                         inset_y = cy(bv) + drawTextYOffset;
 598                 } else {
 599                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 600                 }
 601         } else if (the_locking_inset) {
 602                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 603                 return the_locking_inset->lockInsetInInset(bv, inset);
 604         }
 605         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 606         return false;
 607 }
 608
 609
 610 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 611                                    bool lr)
 612 {
 613         if (!the_locking_inset)
 614                 return false;
 615         if (the_locking_inset == inset) {
 616                 the_locking_inset->insetUnlock(bv);
 617                 getLyXText(bv)->updateInset(bv, inset);
 618                 the_locking_inset = 0;
 619                 if (lr)
 620                         moveRight(bv, false);
 621                 old_par = 0; // force layout setting
 622                 if (scroll())
 623                         scroll(bv, 0.0F);
 624                 else
 625                         updateLocal(bv, CURSOR, false);
 626                 return true;
 627         }
 628         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 629 }
 630
 631
 632 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 633 {
 634         if (!the_locking_inset)
 635                 return false;
 636         if (the_locking_inset != inset) {
 637                 getLyXText(bv)->updateInset(bv, the_locking_inset);
 638                 setUpdateStatus(bv, CURSOR_PAR);
 639                 return the_locking_inset->updateInsetInInset(bv, inset);
 640         }
 641 //    updateLocal(bv, FULL, false);
 642         if (getLyXText(bv)->updateInset(bv, inset))
 643                 updateLocal(bv, CURSOR_PAR, false);
 644         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 645                 inset_x = cx(bv) - top_x + drawTextXOffset;
 646                 inset_y = cy(bv) + drawTextYOffset;
 647         }
 648         return true;
 649 }
 650
 651
 652 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 653 {
 654         no_selection = true;
 655
 656         int tmp_x = x - drawTextXOffset;
 657         int tmp_y = y + insetAscent - getLyXText(bv)->first;
 658         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y, button);
 659
 660         hideInsetCursor(bv);
 661         if (the_locking_inset) {
 662                 if (the_locking_inset == inset) {
 663                         the_locking_inset->insetButtonPress(bv,x-inset_x,y-inset_y,button);
 664                         no_selection = false;
 665                         return;
 666                 } else if (inset) {
 667                         // otherwise unlock the_locking_inset and lock the new inset
 668                         the_locking_inset->insetUnlock(bv);
 669                         inset_x = cx(bv) - top_x + drawTextXOffset;
 670                         inset_y = cy(bv) + drawTextYOffset;
 671                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 672                         inset->insetButtonPress(bv, x - inset_x, y - inset_y, button);
 673                         inset->edit(bv, x - inset_x, y - inset_y, button);
 674                         if (the_locking_inset)
 675                                 updateLocal(bv, CURSOR, false);
 676                         no_selection = false;
 677                         return;
 678                 }
 679                 // otherwise only unlock the_locking_inset
 680                 the_locking_inset->insetUnlock(bv);
 681                 the_locking_inset = 0;
 682         }
 683         if (bv->theLockingInset()) {
 684                 if (inset && inset->editable() == Inset::HIGHLY_EDITABLE) {
 685                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 686                         inset_x = cx(bv) - top_x + drawTextXOffset;
 687                         inset_y = cy(bv) + drawTextYOffset;
 688                         inset_pos = cpos(bv);
 689                         inset_par = cpar(bv);
 690                         inset_boundary = cboundary(bv);
 691                         the_locking_inset = uinset;
 692                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 693                                                  button);
 694                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 695                         if (the_locking_inset)
 696                                 updateLocal(bv, CURSOR, false);
 697                         no_selection = false;
 698                         return;
 699                 }
 700         }
 701         if (!inset) { // && (button == 2)) {
 702                 bool paste_internally = false;
 703                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 704                         localDispatch(bv, LFUN_COPY, "");
 705                         paste_internally = true;
 706                 }
 707                 getLyXText(bv)->setCursorFromCoordinates(bv, x-drawTextXOffset,
 708                                                    y + insetAscent);
 709                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 710                 updateLocal(bv, CURSOR, false);
 711                 bv->owner()->setLayout(cpar(bv)->getLayout());
 712                 old_par = cpar(bv);
 713                 // Insert primary selection with middle mouse
 714                 // if there is a local selection in the current buffer,
 715                 // insert this
 716                 if (button == 2) {
 717                         if (paste_internally)
 718                                 localDispatch(bv, LFUN_PASTE, "");
 719                         else
 720                                 localDispatch(bv, LFUN_PASTESELECTION,
 721                                               "paragraph");
 722                 }
 723         }
 724         showInsetCursor(bv);
 725         no_selection = false;
 726 }
 727
 728
 729 void InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
 730 {
 731         UpdatableInset * inset = 0;
 732
 733         if (the_locking_inset) {
 734                 the_locking_inset->insetButtonRelease(bv,
 735                                                       x - inset_x, y - inset_y,
 736                                                       button);
 737         } else {
 738                 if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
 739                         inset = static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
 740                         if (inset->editable() == Inset::HIGHLY_EDITABLE) {
 741                                 inset->insetButtonRelease(bv,
 742                                                           x - inset_x,
 743                                                           y - inset_y, button);
 744                         } else {
 745                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 746                                 inset_y = cy(bv) + drawTextYOffset;
 747                                 inset->insetButtonRelease(bv,
 748                                                           x - inset_x,
 749                                                           y - inset_y, button);
 750                                 inset->edit(bv,
 751                                             x - inset_x, y - inset_y, button);
 752                         }
 753                         updateLocal(bv, CURSOR_PAR, false);
 754                 }
 755         }
 756         no_selection = false;
 757 }
 758
 759
 760 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
 761 {
 762         if (no_selection)
 763                 return;
 764         if (the_locking_inset) {
 765                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
 766                                                      y - inset_y,state);
 767                 return;
 768         }
 769         LyXText * t = getLyXText(bv);
 770         hideInsetCursor(bv);
 771         t->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
 772         t->setSelection(bv);
 773         if (t->toggle_cursor.par() != t->toggle_end_cursor.par() ||
 774                 t->toggle_cursor.pos() != t->toggle_end_cursor.pos())
 775                 updateLocal(bv, SELECTION, false);
 776         showInsetCursor(bv);
 777 }
 778
 779
 780 void InsetText::insetKeyPress(XKeyEvent * xke)
 781 {
 782         if (the_locking_inset) {
 783                 the_locking_inset->insetKeyPress(xke);
 784                 return;
 785         }
 786 }
 787
 788
 789 UpdatableInset::RESULT
 790 InsetText::localDispatch(BufferView * bv,
 791                          kb_action action, string const & arg)
 792 {
 793         no_selection = false;
 794         UpdatableInset::RESULT
 795                 result= UpdatableInset::localDispatch(bv, action, arg);
 796         if (result != UNDISPATCHED) {
 797                 return DISPATCHED;
 798         }
 799
 800         result = DISPATCHED;
 801         if ((action < 0) && arg.empty())
 802                 return FINISHED;
 803
 804         if (the_locking_inset) {
 805                 result = the_locking_inset->localDispatch(bv, action, arg);
 806                 if (result == DISPATCHED_NOUPDATE)
 807                         return result;
 808                 else if (result == DISPATCHED) {
 809                         updateLocal(bv, CURSOR_PAR, false);
 810                         return result;
 811                 } else if (result == FINISHED) {
 812                         bool dispatched = false;
 813                         switch (action) {
 814                         case LFUN_UNKNOWN_ACTION:
 815                         case LFUN_BREAKPARAGRAPH:
 816                         case LFUN_BREAKLINE:
 817                                 moveRightIntern(bv, false, false);
 818                                 break;
 819                         case LFUN_RIGHT:
 820                                 if (!getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 821                                         moveRightIntern(bv, false, false);
 822                                 dispatched = true;
 823                                 break;
 824                         case LFUN_LEFT:
 825                                 if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 826                                         moveRightIntern(bv, false, false);
 827                                 dispatched = true;
 828                                 break;
 829                         default:
 830                                 break;
 831                         }
 832                         the_locking_inset = 0;
 833                         if (dispatched)
 834                                 return DISPATCHED;
 835                 }
 836         }
 837         hideInsetCursor(bv);
 838         switch (action) {
 839         // Normal chars
 840         case LFUN_SELFINSERT:
 841                 if (bv->buffer()->isReadonly()) {
 842 //          setErrorMessage(N_("Document is read only"));
 843                         break;
 844                 }
 845                 if (!arg.empty()) {
 846                         /* Automatically delete the currently selected
 847                          * text and replace it with what is being
 848                          * typed in now. Depends on lyxrc settings
 849                          * "auto_region_delete", which defaults to
 850                          * true (on). */
 851
 852                         bv->text->setUndo(bv->buffer(), Undo::INSERT,
 853                                           bv->text->cursor.par()->previous(),
 854                                           bv->text->cursor.par()->next());
 855                         bv->setState();
 856                         if (lyxrc.auto_region_delete) {
 857                                 if (getLyXText(bv)->selection.set()) {
 858                                         getLyXText(bv)->cutSelection(bv, false);
 859                                 }
 860                         }
 861                         getLyXText(bv)->clearSelection(bv);
 862                         for (string::size_type i = 0; i < arg.length(); ++i) {
 863                                 if (greek_kb_flag) {
 864                                         if (!math_insert_greek(bv, arg[i])) {
 865                                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], getLyXText(bv));
 866                                         } else if (!the_locking_inset) {
 867                                                 (void)moveRight(bv, false);
 868                                         }
 869                                 } else {
 870                                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], getLyXText(bv));
 871                                 }
 872                         }
 873                 }
 874                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 875                 updateLocal(bv, CURSOR_PAR, true);
 876                 result = DISPATCHED_NOUPDATE;
 877                 break;
 878                 // --- Cursor Movements -----------------------------------
 879         case LFUN_RIGHTSEL:
 880                 bv->text->finishUndo();
 881                 moveRight(bv, false, true);
 882                 getLyXText(bv)->setSelection(bv);
 883                 updateLocal(bv, SELECTION, false);
 884                 break;
 885         case LFUN_RIGHT:
 886                 result = moveRight(bv);
 887                 bv->text->finishUndo();
 888                 updateLocal(bv, CURSOR, false);
 889                 break;
 890         case LFUN_LEFTSEL:
 891                 bv->text->finishUndo();
 892                 moveLeft(bv, false, true);
 893                 getLyXText(bv)->setSelection(bv);
 894                 updateLocal(bv, SELECTION, false);
 895                 break;
 896         case LFUN_LEFT:
 897                 bv->text->finishUndo();
 898                 result = moveLeft(bv);
 899                 updateLocal(bv, CURSOR, false);
 900                 break;
 901         case LFUN_DOWNSEL:
 902                 bv->text->finishUndo();
 903                 moveDown(bv);
 904                 getLyXText(bv)->setSelection(bv);
 905                 updateLocal(bv, SELECTION, false);
 906                 break;
 907         case LFUN_DOWN:
 908                 bv->text->finishUndo();
 909                 result = moveDown(bv);
 910                 updateLocal(bv, CURSOR, false);
 911                 break;
 912         case LFUN_UPSEL:
 913                 bv->text->finishUndo();
 914                 moveUp(bv);
 915                 getLyXText(bv)->setSelection(bv);
 916                 updateLocal(bv, SELECTION, false);
 917                 break;
 918         case LFUN_UP:
 919                 bv->text->finishUndo();
 920                 result = moveUp(bv);
 921                 updateLocal(bv, CURSOR, false);
 922                 break;
 923         case LFUN_HOME:
 924                 bv->text->finishUndo();
 925                 getLyXText(bv)->cursorHome(bv);
 926                 updateLocal(bv, CURSOR, false);
 927                 break;
 928         case LFUN_END:
 929                 getLyXText(bv)->cursorEnd(bv);
 930                 updateLocal(bv, CURSOR, false);
 931                 break;
 932         case LFUN_BACKSPACE: {
 933                 bv->text->setUndo(bv->buffer(), Undo::DELETE,
 934                                   bv->text->cursor.par()->previous(),
 935                                   bv->text->cursor.par()->next());
 936                 LyXText * t = getLyXText(bv);
 937
 938                 if (t->selection.set()) {
 939                         t->cutSelection(bv);
 940                 } else {
 941                         t->backspace(bv);
 942                 }
 943
 944                 updateLocal(bv, CURSOR_PAR, true);
 945         }
 946         break;
 947
 948         case LFUN_DELETE:
 949         {
 950                 bv->text->setUndo(bv->buffer(), Undo::DELETE,
 951                                   bv->text->cursor.par()->previous(),
 952                                   bv->text->cursor.par()->next());
 953                 LyXText * t = getLyXText(bv);
 954
 955                 if (t->selection.set()) {
 956                         t->cutSelection(bv);
 957                 } else {
 958                         t->Delete(bv);
 959                 }
 960                 updateLocal(bv, CURSOR_PAR, true);
 961         }
 962         break;
 963
 964         case LFUN_CUT:
 965                 bv->text->setUndo(bv->buffer(), Undo::DELETE,
 966                                   bv->text->cursor.par()->previous(),
 967                                   bv->text->cursor.par()->next());
 968                 getLyXText(bv)->cutSelection(bv);
 969                 updateLocal(bv, CURSOR_PAR, true);
 970                 break;
 971         case LFUN_COPY:
 972                 bv->text->finishUndo();
 973                 getLyXText(bv)->copySelection(bv);
 974                 updateLocal(bv, CURSOR_PAR, false);
 975                 break;
 976         case LFUN_PASTESELECTION:
 977         {
 978                 string const clip(bv->getClipboard());
 979
 980                 if (clip.empty())
 981                         break;
 982                 if (arg == "paragraph") {
 983                         getLyXText(bv)->insertStringAsParagraphs(bv, clip);
 984                 } else {
 985                         getLyXText(bv)->insertStringAsLines(bv, clip);
 986                 }
 987                 updateLocal(bv, CURSOR_PAR, true);
 988                 break;
 989         }
 990         case LFUN_PASTE:
 991                 if (!autoBreakRows) {
 992                         CutAndPaste cap;
 993
 994                         if (cap.nrOfParagraphs() > 1) {
 995                                 WriteAlert(_("Impossible operation"),
 996                                                    _("Cannot include more than one paragraph!"),
 997                                                    _("Sorry."));
 998                                 break;
 999                         }
1000                 }
1001                 bv->text->setUndo(bv->buffer(), Undo::INSERT,
1002                                   bv->text->cursor.par()->previous(),
1003                                   bv->text->cursor.par()->next());
1004                 getLyXText(bv)->pasteSelection(bv);
1005                 updateLocal(bv, CURSOR_PAR, true);
1006                 break;
1007         case LFUN_BREAKPARAGRAPH:
1008                 if (!autoBreakRows)
1009                         return DISPATCHED;
1010                 getLyXText(bv)->breakParagraph(bv, 0);
1011                 updateLocal(bv, FULL, true);
1012                 break;
1013         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1014                 if (!autoBreakRows)
1015                         return DISPATCHED;
1016                 getLyXText(bv)->breakParagraph(bv, 1);
1017                 updateLocal(bv, FULL, true);
1018                 break;
1019         case LFUN_BREAKLINE:
1020                 if (!autoBreakRows)
1021                         return DISPATCHED;
1022                 bv->text->setUndo(bv->buffer(), Undo::INSERT,
1023                                   bv->text->cursor.par()->previous(),
1024                                   bv->text->cursor.par()->next());
1025                 getLyXText(bv)->insertChar(bv, Paragraph::META_NEWLINE);
1026                 updateLocal(bv, CURSOR_PAR, true);
1027                 break;
1028         case LFUN_LAYOUT:
1029                 // do not set layouts on non breakable textinsets
1030                 if (autoBreakRows) {
1031                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1032
1033                         // Derive layout number from given argument (string)
1034                         // and current buffer's textclass (number). */
1035                         LyXTextClassList::ClassList::size_type tclass =
1036                                 bv->buffer()->params.textclass;
1037                         std::pair <bool, LyXTextClass::size_type> layout =
1038                                 textclasslist.NumberOfLayout(tclass, arg);
1039
1040                         // If the entry is obsolete, use the new one instead.
1041                         if (layout.first) {
1042                                 string obs = textclasslist.Style(tclass,layout.second).
1043                                         obsoleted_by();
1044                                 if (!obs.empty())
1045                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1046                         }
1047
1048                         // see if we found the layout number:
1049                         if (!layout.first) {
1050                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1051                                 bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, msg);
1052                                 break;
1053                         }
1054
1055                         if (cur_layout != layout.second) {
1056                                 cur_layout = layout.second;
1057                                 getLyXText(bv)->setLayout(bv, layout.second);
1058                                 bv->owner()->setLayout(cpar(bv)->getLayout());
1059                                 updateLocal(bv, CURSOR_PAR, true);
1060                         }
1061                 } else {
1062                         // reset the layout box
1063                         bv->owner()->setLayout(cpar(bv)->getLayout());
1064                 }
1065                 break;
1066         case LFUN_PARAGRAPH_SPACING:
1067                 // This one is absolutely not working. When fiddling with this
1068                 // it also seems to me that the paragraphs inside the insettext
1069                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1070         {
1071                 Paragraph * par = getLyXText(bv)->cursor.par();
1072                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1073                 float cur_value = 1.0;
1074                 if (cur_spacing == Spacing::Other) {
1075                         cur_value = par->params().spacing().getValue();
1076                 }
1077
1078                 std::istringstream istr(arg.c_str());
1079                 string tmp;
1080                 istr >> tmp;
1081                 Spacing::Space new_spacing = cur_spacing;
1082                 float new_value = cur_value;
1083                 if (tmp.empty()) {
1084                         lyxerr << "Missing argument to `paragraph-spacing'"
1085                                    << endl;
1086                 } else if (tmp == "single") {
1087                         new_spacing = Spacing::Single;
1088                 } else if (tmp == "onehalf") {
1089                         new_spacing = Spacing::Onehalf;
1090                 } else if (tmp == "double") {
1091                         new_spacing = Spacing::Double;
1092                 } else if (tmp == "other") {
1093                         new_spacing = Spacing::Other;
1094                         float tmpval = 0.0;
1095                         istr >> tmpval;
1096                         lyxerr << "new_value = " << tmpval << endl;
1097                         if (tmpval != 0.0)
1098                                 new_value = tmpval;
1099                 } else if (tmp == "default") {
1100                         new_spacing = Spacing::Default;
1101                 } else {
1102                         lyxerr << _("Unknown spacing argument: ")
1103                                    << arg << endl;
1104                 }
1105                 if (cur_spacing != new_spacing || cur_value != new_value) {
1106                         par->params().spacing(Spacing(new_spacing, new_value));
1107                         //getLyXText(bv)->RedoParagraph(owner->view());
1108                         updateLocal(bv, CURSOR_PAR, true);
1109                         //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1110                 }
1111         }
1112         break;
1113
1114         default:
1115                 if (!bv->Dispatch(action, arg))
1116                         result = UNDISPATCHED;
1117                 break;
1118         }
1119
1120         /// If the action has deleted all text in the inset, we need to change the
1121         // language to the language to the surronding text.
1122         if (par->size() == 0 && !par->next()) {
1123                 LyXFont font(LyXFont::ALL_IGNORE);
1124                 font.setLanguage(bv->getParentLanguage(this));
1125                 setFont(bv, font, false);
1126         }
1127
1128         if (result != FINISHED) {
1129                 showInsetCursor(bv);
1130         } else
1131                 bv->unlockInset(this);
1132         return result;
1133 }
1134
1135
1136 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1137 {
1138         TexRow texrow;
1139         buf->latexParagraphs(os, par, 0, texrow);
1140         return texrow.rows();
1141 }
1142
1143
1144 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1145 {
1146         Paragraph * p = par;
1147         unsigned int lines = 0;
1148
1149         while (p) {
1150                 string const tmp = buf->asciiParagraph(p, linelen);
1151                 lines += countChar(tmp, '\n');
1152                 os << tmp;
1153                 p = p->next();
1154         }
1155         return lines;
1156 }
1157
1158
1159 int InsetText::docBook(Buffer const * buf, ostream & os) const
1160 {
1161         Paragraph * p = par;
1162         unsigned int lines = 0;
1163         int desc = 0;
1164
1165         string tmp;
1166         while (p) {
1167                 buf->simpleDocBookOnePar(os, tmp, p, desc, 0);
1168                 p = p->next();
1169         }
1170
1171         return lines;
1172 }
1173
1174
1175 void InsetText::validate(LaTeXFeatures & features) const
1176 {
1177         Paragraph * p = par;
1178         while (p) {
1179                 p->validate(features);
1180                 p = p->next();
1181         }
1182 }
1183
1184
1185 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1186 {
1187         if (textclasslist.Style(buf->params.textclass,
1188                                 p->getLayout()).labeltype != LABEL_MANUAL)
1189                 return 0;
1190         else
1191                 return p->beginningOfMainBody();
1192 }
1193
1194
1195 void InsetText::getCursorPos(BufferView * bv,
1196                              int & x, int & y) const
1197 {
1198         x = cx(bv);
1199         y = cy(bv);
1200 }
1201
1202
1203 unsigned int InsetText::insetInInsetY()
1204 {
1205         if (!the_locking_inset)
1206                 return 0;
1207
1208         return (inset_y + the_locking_inset->insetInInsetY());
1209 }
1210
1211
1212 void InsetText::toggleInsetCursor(BufferView * bv)
1213 {
1214         if (the_locking_inset) {
1215                 the_locking_inset->toggleInsetCursor(bv);
1216                 return;
1217         }
1218
1219         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1220
1221         int const asc = lyxfont::maxAscent(font);
1222         int const desc = lyxfont::maxDescent(font);
1223
1224         if (isCursorVisible())
1225                 bv->hideLockedInsetCursor();
1226         else
1227                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1228         toggleCursorVisible();
1229 }
1230
1231
1232 void InsetText::showInsetCursor(BufferView * bv, bool show)
1233 {
1234         if (the_locking_inset) {
1235                 the_locking_inset->showInsetCursor(bv);
1236                 return;
1237         }
1238         if (!isCursorVisible()) {
1239                 LyXFont const font =
1240                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1241
1242                 int const asc = lyxfont::maxAscent(font);
1243                 int const desc = lyxfont::maxDescent(font);
1244
1245                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1246                 if (show)
1247                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1248                 setCursorVisible(true);
1249         }
1250 }
1251
1252
1253 void InsetText::hideInsetCursor(BufferView * bv)
1254 {
1255         if (isCursorVisible()) {
1256                 bv->hideLockedInsetCursor();
1257                 setCursorVisible(false);
1258         }
1259         if (the_locking_inset)
1260                 the_locking_inset->hideInsetCursor(bv);
1261 }
1262
1263
1264 UpdatableInset::RESULT
1265 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1266 {
1267         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1268                 return moveLeftIntern(bv, false, activate_inset, selecting);
1269         else
1270                 return moveRightIntern(bv, false, activate_inset, selecting);
1271 }
1272
1273
1274 UpdatableInset::RESULT
1275 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1276 {
1277         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1278                 return moveRightIntern(bv, true, activate_inset, selecting);
1279         else
1280                 return moveLeftIntern(bv, true, activate_inset, selecting);
1281 }
1282
1283
1284 UpdatableInset::RESULT
1285 InsetText::moveRightIntern(BufferView * bv, bool behind,
1286                            bool activate_inset, bool selecting)
1287 {
1288         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1289                 return FINISHED;
1290         if (activate_inset && checkAndActivateInset(bv, behind))
1291                 return DISPATCHED;
1292         getLyXText(bv)->cursorRight(bv);
1293         if (!selecting)
1294                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1295         return DISPATCHED_NOUPDATE;
1296 }
1297
1298
1299 UpdatableInset::RESULT
1300 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1301                           bool activate_inset, bool selecting)
1302 {
1303         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1304                 return FINISHED;
1305         getLyXText(bv)->cursorLeft(bv);
1306         if (!selecting)
1307                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1308         if (activate_inset && checkAndActivateInset(bv, behind))
1309                 return DISPATCHED;
1310         return DISPATCHED_NOUPDATE;
1311 }
1312
1313
1314 UpdatableInset::RESULT
1315 InsetText::moveUp(BufferView * bv)
1316 {
1317         if (!crow(bv)->previous())
1318                 return FINISHED;
1319         getLyXText(bv)->cursorUp(bv);
1320         return DISPATCHED_NOUPDATE;
1321 }
1322
1323
1324 UpdatableInset::RESULT
1325 InsetText::moveDown(BufferView * bv)
1326 {
1327         if (!crow(bv)->next())
1328                 return FINISHED;
1329         getLyXText(bv)->cursorDown(bv);
1330         return DISPATCHED_NOUPDATE;
1331 }
1332
1333
1334 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1335 {
1336         if (the_locking_inset) {
1337                 if (the_locking_inset->insertInsetAllowed(inset))
1338                         return the_locking_inset->insertInset(bv, inset);
1339                 return false;
1340         }
1341         bv->text->setUndo(bv->buffer(), Undo::INSERT,
1342                           bv->text->cursor.par()->previous(),
1343                           bv->text->cursor.par()->next());
1344         inset->setOwner(this);
1345         hideInsetCursor(bv);
1346         getLyXText(bv)->insertInset(bv, inset);
1347 #if 0
1348         if ((cpar(bv)->GetChar(cpos(bv)) != Paragraph::META_INSET) ||
1349                 (cpar(bv)->GetInset(cpos(bv)) != inset))
1350                 getLyXText(bv)->CursorLeft(bv);
1351 #endif
1352         bv->fitCursor(getLyXText(bv));
1353         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1354         showInsetCursor(bv);
1355         return true;
1356 }
1357
1358
1359 UpdatableInset * InsetText::getLockingInset()
1360 {
1361         return the_locking_inset ? the_locking_inset->getLockingInset() : this;
1362 }
1363
1364
1365 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1366 {
1367         if (c == lyxCode())
1368                 return this;
1369         if (the_locking_inset)
1370                 return the_locking_inset->getFirstLockingInsetOfType(c);
1371         return 0;
1372 }
1373
1374
1375 bool InsetText::showInsetDialog(BufferView * bv) const
1376 {
1377         if (the_locking_inset)
1378                 return the_locking_inset->showInsetDialog(bv);
1379         return false;
1380 }
1381
1382
1383 std::vector<string> const InsetText::getLabelList() const
1384 {
1385         std::vector<string> label_list;
1386
1387         Paragraph * tpar = par;
1388         while (tpar) {
1389                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1390                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1391                 for (; beg != end; ++beg) {
1392                         std::vector<string> const l = (*beg)->getLabelList();
1393                         label_list.insert(label_list.end(), l.begin(), l.end());
1394                 }
1395                 tpar = tpar->next();
1396         }
1397         return label_list;
1398 }
1399
1400
1401 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1402                         bool selectall)
1403 {
1404         if (the_locking_inset) {
1405                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1406                 return;
1407         }
1408         if (getLyXText(bv)->selection.set()) {
1409                 bv->text->setUndo(bv->buffer(), Undo::EDIT,
1410                                   bv->text->cursor.par()->previous(),
1411                                   bv->text->cursor.par()->next());
1412         }
1413         if (selectall)
1414                 selectAll(bv);
1415         getLyXText(bv)->setFont(bv, font, toggleall);
1416         if (selectall)
1417                 getLyXText(bv)->clearSelection(bv);
1418         bv->fitCursor(getLyXText(bv));
1419         if (selectall || getLyXText(bv)->selection.set())
1420                 updateLocal(bv, FULL, true);
1421         else
1422                 updateLocal(bv, CURSOR_PAR, true);
1423 }
1424
1425
1426 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1427 {
1428         if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
1429                 unsigned int x;
1430                 unsigned int y;
1431                 Inset * inset =
1432                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1433                 if (!inset || inset->editable() != Inset::HIGHLY_EDITABLE)
1434                         return false;
1435                 LyXFont const font =
1436                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1437                 if (behind) {
1438                         x = inset->width(bv, font);
1439                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1440                 } else {
1441                         x = 0;
1442                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1443                 }
1444                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1445                 //inset_y = cy(bv) + drawTextYOffset;
1446                 inset->edit(bv, x, y, 0);
1447                 if (!the_locking_inset)
1448                         return false;
1449                 updateLocal(bv, CURSOR, false);
1450                 return true;
1451         }
1452         return false;
1453 }
1454
1455
1456 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1457                                       int button)
1458 {
1459         x -= drawTextXOffset;
1460         int dummyx = x;
1461         int dummyy = y + insetAscent;
1462         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy, button);
1463
1464         if (inset) {
1465                 if (x < 0)
1466                         x = insetWidth;
1467                 if (y < 0)
1468                         y = insetDescent;
1469                 inset_x = cx(bv) - top_x + drawTextXOffset;
1470                 inset_y = cy(bv) + drawTextYOffset;
1471                 inset->edit(bv, x - inset_x, y - inset_y, button);
1472                 if (!the_locking_inset)
1473                         return false;
1474                 updateLocal(bv, CURSOR, false);
1475                 return true;
1476         }
1477         return false;
1478 }
1479
1480
1481 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1482 {
1483         int w = UpdatableInset::getMaxWidth(bv, inset);
1484         if (w < 0) {
1485                 return w;
1486         }
1487         if (owner()) {
1488                 w = w - top_x + owner()->x();
1489                 return w;
1490         }
1491         w -= (2 * TEXT_TO_INSET_OFFSET);
1492         return w - top_x;
1493 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1494 }
1495
1496
1497 void InsetText::setParagraphData(Paragraph * p)
1498 {
1499         // delete all instances of LyXText before deleting the paragraps used
1500         // by it.
1501         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1502                 delete (*cit).second;
1503                 (*cit).second = 0;
1504         }
1505
1506         while (par) {
1507                 Paragraph * tmp = par->next();
1508                 delete par;
1509                 par = tmp;
1510         }
1511
1512         par = new Paragraph(*p);
1513         par->setInsetOwner(this);
1514         Paragraph * np = par;
1515         while (p->next()) {
1516                 p = p->next();
1517                 np->next(new Paragraph(*p));
1518                 np->next()->previous(np);
1519                 np = np->next();
1520                 np->setInsetOwner(this);
1521         }
1522
1523         need_update = INIT;
1524 }
1525
1526
1527 void InsetText::setText(string const & data)
1528 {
1529         clear();
1530         LyXFont font(LyXFont::ALL_SANE);
1531         for (unsigned int i=0; i < data.length(); ++i)
1532                 par->insertChar(i, data[i], font);
1533 }
1534
1535
1536 void InsetText::setAutoBreakRows(bool flag)
1537 {
1538         if (flag != autoBreakRows) {
1539                 autoBreakRows = flag;
1540                 need_update = FULL;
1541                 if (!flag)
1542                         removeNewlines();
1543         }
1544 }
1545
1546
1547 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1548 {
1549         if (how != drawFrame_) {
1550                 drawFrame_ = how;
1551                 if (bv)
1552                         updateLocal(bv, DRAW_FRAME, false);
1553         }
1554 }
1555
1556
1557 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1558 {
1559         if (frame_color != col) {
1560                 frame_color = col;
1561                 if (bv)
1562                         updateLocal(bv, DRAW_FRAME, false);
1563         }
1564 }
1565
1566
1567 int InsetText::cx(BufferView * bv) const
1568 {
1569         LyXText * text = getLyXText(bv);
1570         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1571         if (the_locking_inset) {
1572                 LyXFont font = text->getFont(bv->buffer(),
1573                                              text->cursor.par(),
1574                                              text->cursor.pos());
1575                 if (font.isVisibleRightToLeft())
1576                         x -= the_locking_inset->width(bv, font);
1577         }
1578         return x;
1579 }
1580
1581
1582 int InsetText::cy(BufferView * bv) const
1583 {
1584         LyXFont font;
1585         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1586 }
1587
1588
1589 Paragraph::size_type InsetText::cpos(BufferView * bv) const
1590 {
1591         return getLyXText(bv)->cursor.pos();
1592 }
1593
1594
1595 Paragraph * InsetText::cpar(BufferView * bv) const
1596 {
1597         return getLyXText(bv)->cursor.par();
1598 }
1599
1600
1601 bool InsetText::cboundary(BufferView * bv) const
1602 {
1603         return getLyXText(bv)->cursor.boundary();
1604 }
1605
1606
1607 Row * InsetText::crow(BufferView * bv) const
1608 {
1609         return getLyXText(bv)->cursor.row();
1610 }
1611
1612
1613 LyXText * InsetText::getLyXText(BufferView const * lbv,
1614                                 bool const recursive) const
1615 {
1616         // Super UGLY! (Lgb)
1617         BufferView * bv = const_cast<BufferView *>(lbv);
1618
1619         if ((cache.find(bv) != cache.end()) && cache[bv]) {
1620                 if (recursive && the_locking_inset)
1621                         return the_locking_inset->getLyXText(bv);
1622                 return cache[bv];
1623         }
1624         LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1625         lt->init(bv);
1626         cache[bv] = lt;
1627         if (the_locking_inset) {
1628                 lt->setCursor(bv, inset_par, inset_pos, true, inset_boundary);
1629                 if (recursive)
1630                         return the_locking_inset->getLyXText(bv);
1631         }
1632         return lt;
1633 }
1634
1635
1636 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1637 {
1638         if ((cache.find(bv) == cache.end()) || !cache[bv])
1639                 return;
1640         delete cache[bv];
1641         cache.erase(bv);
1642         if (recursive) {
1643                 /// then remove all LyXText in text-insets
1644                 Paragraph * p = par;
1645                 for (; p; p = p->next()) {
1646                         p->deleteInsetsLyXText(bv);
1647                 }
1648         }
1649 }
1650
1651
1652 void InsetText::resizeLyXText(BufferView * bv, bool force) const
1653 {
1654         if (!par->next() && !par->size()) // no data, resize not neccessary!
1655                 return;
1656         // one endless line, resize normally not necessary
1657         if (!force && getMaxWidth(bv, this) < 0)
1658                 return;
1659         if ((cache.find(bv) == cache.end()) || !cache[bv])
1660                 return;
1661
1662         Paragraph * lpar = 0;
1663         Paragraph * selstartpar = 0;
1664         Paragraph * selendpar = 0;
1665         Paragraph::size_type pos = 0;
1666         Paragraph::size_type selstartpos = 0;
1667         Paragraph::size_type selendpos = 0;
1668         bool boundary = false;
1669         bool selstartboundary = false;
1670         bool selendboundary = false;
1671         bool selection = false;
1672         bool mark_set = false;
1673
1674 //    ProhibitInput(bv);
1675
1676         if (locked) {
1677                         LyXText * t = getLyXText(bv);
1678                 lpar = t->cursor.par();
1679                 pos = t->cursor.pos();
1680                 boundary = t->cursor.boundary();
1681                 selstartpar = t->selection.start.par();
1682                 selstartpos = t->selection.start.pos();
1683                 selstartboundary = t->selection.start.boundary();
1684                 selendpar = t->selection.end.par();
1685                 selendpos = t->selection.end.pos();
1686                 selendboundary = t->selection.end.boundary();
1687                 selection = t->selection.set();
1688                 mark_set = t->selection.mark();
1689         }
1690         deleteLyXText(bv, (the_locking_inset == 0) || force);
1691
1692         if (lpar) {
1693                         LyXText * t = getLyXText(bv);
1694
1695                 t->selection.set(true);
1696                 /* at this point just to avoid the Delete-Empty-Paragraph
1697                  * Mechanism when setting the cursor */
1698                 t->selection.mark(mark_set);
1699                 if (selection) {
1700                         t->setCursor(bv, selstartpar, selstartpos, true, selstartboundary);
1701                         t->selection.cursor = t->cursor;
1702                         t->setCursor(bv, selendpar, selendpos, true, selendboundary);
1703                         t->setSelection(bv);
1704                         t->setCursor(bv, lpar, pos);
1705                 } else {
1706                         t->setCursor(bv, lpar, pos, true, boundary);
1707                         t->selection.cursor = t->cursor;
1708                         t->selection.set(false);
1709                 }
1710         }
1711         if (bv->screen()) {
1712                         LyXText * t = getLyXText(bv);
1713                         t->first = bv->screen()->TopCursorVisible(t);
1714         }
1715
1716         // this will scroll the screen such that the cursor becomes visible
1717         bv->updateScrollbar();
1718 //    AllowInput(bv);
1719         if (the_locking_inset) {
1720                 /// then resize all LyXText in text-insets
1721                 inset_x = cx(bv) - top_x + drawTextXOffset;
1722                 inset_y = cy(bv) + drawTextYOffset;
1723                 for (Paragraph * p = par; p; p = p->next()) {
1724                         p->resizeInsetsLyXText(bv);
1725                 }
1726         }
1727         need_update = FULL;
1728 }
1729
1730
1731 void InsetText::removeNewlines()
1732 {
1733         for (Paragraph * p = par; p; p = p->next()) {
1734                 for (int i = 0; i < p->size(); ++i) {
1735                         if (p->getChar(i) == Paragraph::META_NEWLINE)
1736                                 p->erase(i);
1737                 }
1738         }
1739 }
1740
1741
1742 bool InsetText::nodraw() const
1743 {
1744         if (the_locking_inset)
1745                 return the_locking_inset->nodraw();
1746         return UpdatableInset::nodraw();
1747 }
1748
1749
1750 int InsetText::scroll(bool recursive) const
1751 {
1752         int sx = UpdatableInset::scroll(false);
1753
1754         if (recursive && the_locking_inset)
1755                 sx += the_locking_inset->scroll(recursive);
1756
1757         return sx;
1758 }
1759
1760
1761 bool InsetText::doClearArea() const
1762 {
1763         return !locked || (need_update & (FULL|INIT));
1764 }
1765
1766
1767 void InsetText::selectAll(BufferView * bv)
1768 {
1769         getLyXText(bv)->cursorTop(bv);
1770         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1771         getLyXText(bv)->cursorBottom(bv);
1772         getLyXText(bv)->setSelection(bv);
1773 }
1774
1775
1776 void InsetText::clearSelection(BufferView * bv)
1777 {
1778         getLyXText(bv)->clearSelection(bv);
1779 }
1780
1781
1782 void InsetText::clearInset(Painter & pain, int baseline, bool & cleared) const
1783 {
1784         int w =  insetWidth;
1785         int h = insetAscent + insetDescent;
1786         int ty = baseline - insetAscent;
1787
1788         if (ty < 0) {
1789                 h += ty;
1790                 ty = 0;
1791         }
1792         if ((ty + h) > pain.paperHeight())
1793                 h = pain.paperHeight();
1794         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
1795                 w = pain.paperWidth();
1796         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
1797         cleared = true;
1798         need_update = FULL;
1799 }
1800 /* Emacs:
1801  * Local variables:
1802  * tab-width: 4
1803  * End:
1804  * vi:set tabstop=4:
1805  */