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 using std::make_pair;
  58
  59 extern unsigned char getCurrentTextClass(Buffer *);
  60 extern bool math_insert_greek(BufferView *, char);
  61 extern int greek_kb_flag;
  62
  63 InsetText::InsetText()
  64 {
  65         par = new Paragraph;
  66         init();
  67 }
  68
  69
  70 InsetText::InsetText(InsetText const & ins)
  71         : UpdatableInset()
  72 {
  73         par = 0;
  74         init(&ins);
  75         autoBreakRows = ins.autoBreakRows;
  76 }
  77
  78
  79 InsetText & InsetText::operator=(InsetText const & it)
  80 {
  81         init(&it);
  82         autoBreakRows = it.autoBreakRows;
  83         return * this;
  84 }
  85
  86
  87 void InsetText::init(InsetText const * ins)
  88 {
  89         top_y = 0;
  90         last_width = 0;
  91         last_height = 0;
  92         insetAscent = 0;
  93         insetDescent = 0;
  94         insetWidth = 0;
  95         the_locking_inset = 0;
  96         old_max_width = 0;
  97         no_selection = false;
  98         need_update = INIT;
  99         drawTextXOffset = 0;
 100         drawTextYOffset = 0;
 101         autoBreakRows = false;
 102         drawFrame_ = NEVER;
 103         xpos = 0.0;
 104         if (ins) {
 105                 setParagraphData(ins->par);
 106                 autoBreakRows = ins->autoBreakRows;
 107                 drawFrame_ = ins->drawFrame_;
 108         }
 109         par->setInsetOwner(this);
 110         frame_color = LColor::insetframe;
 111         locked = false;
 112         old_par = 0;
 113         last_drawn_width = -1;
 114         frame_is_visible = false;
 115         cached_bview = 0;
 116 }
 117
 118
 119 InsetText::~InsetText()
 120 {
 121         // delete all instances of LyXText before deleting the paragraps used
 122         // by it.
 123         cached_bview = 0;
 124         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 125                 delete (*cit).second;
 126                 (*cit).second = 0;
 127         }
 128
 129         while (par) {
 130                 Paragraph * tmp = par->next();
 131                 delete par;
 132                 par = tmp;
 133         }
 134 }
 135
 136
 137 void InsetText::clear()
 138 {
 139         // delete all instances of LyXText before deleting the paragraps used
 140         // by it.
 141         cached_bview = 0;
 142         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 143                 delete (*cit).second;
 144                 (*cit).second = 0;
 145         }
 146
 147         while (par) {
 148                 Paragraph * tmp = par->next();
 149                 delete par;
 150                 par = tmp;
 151         }
 152         par = new Paragraph;
 153 }
 154
 155
 156 Inset * InsetText::clone(Buffer const &) const
 157 {
 158         InsetText * t = new InsetText(*this);
 159         return t;
 160 }
 161
 162
 163 void InsetText::write(Buffer const * buf, ostream & os) const
 164 {
 165         os << "Text\n";
 166         writeParagraphData(buf, os);
 167 }
 168
 169
 170 void InsetText::writeParagraphData(Buffer const * buf, ostream & os) const
 171 {
 172         par->writeFile(buf, os, buf->params, 0);
 173 }
 174
 175
 176 void InsetText::read(Buffer const * buf, LyXLex & lex)
 177 {
 178         string token;
 179         int pos = 0;
 180         Paragraph * return_par = 0;
 181         Paragraph::depth_type depth = 0;
 182         LyXFont font(LyXFont::ALL_INHERIT);
 183
 184         clear();
 185
 186         while (lex.IsOK()) {
 187                 lex.nextToken();
 188                 token = lex.GetString();
 189                 if (token.empty())
 190                         continue;
 191                 if (token == "\\end_inset")
 192                         break;
 193                 if (const_cast<Buffer*>(buf)->
 194                         parseSingleLyXformat2Token(lex, par, return_par,
 195                                                    token, pos, depth, font)) {
 196                         // the_end read this should NEVER happen
 197                         lex.printError("\\the_end read in inset! Error in document!");
 198                         return;
 199                 }
 200         }
 201         if (!return_par)
 202                 return_par = par;
 203         par = return_par;
 204         while(return_par) {
 205                 return_par->setInsetOwner(this);
 206                 return_par = return_par->next();
 207         }
 208
 209         if (token != "\\end_inset") {
 210                 lex.printError("Missing \\end_inset at this point. "
 211                                            "Read: `$$Token'");
 212         }
 213         need_update = INIT;
 214 }
 215
 216
 217 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 218 {
 219         int y_temp = 0;
 220         Row * row = getLyXText(bv)->getRowNearY(y_temp);
 221         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 222         return insetAscent;
 223 }
 224
 225
 226 int InsetText::descent(BufferView * bv, LyXFont const &) const
 227 {
 228                 LyXText * t = getLyXText(bv);
 229         int y_temp = 0;
 230         Row * row = t->getRowNearY(y_temp);
 231         insetDescent = t->height - row->ascent_of_text() +
 232         TEXT_TO_INSET_OFFSET;
 233         return insetDescent;
 234 }
 235
 236
 237 int InsetText::width(BufferView * bv, LyXFont const &) const
 238 {
 239         insetWidth = max(textWidth(bv),
 240                          (int)getLyXText(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 241         return insetWidth;
 242 }
 243
 244
 245 int InsetText::textWidth(BufferView * bv) const
 246 {
 247         int const w = getMaxWidth(bv, this);
 248         return w;
 249 }
 250
 251
 252 void InsetText::draw(BufferView * bv, LyXFont const & f,
 253                      int baseline, float & x, bool cleared) const
 254 {
 255         if (nodraw())
 256                 return;
 257
 258         Painter & pain = bv->painter();
 259
 260         // no draw is necessary !!!
 261         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 262                 top_x = int(x);
 263                 top_baseline = baseline;
 264                 x += width(bv, f);
 265                 if (!cleared && (need_update & CLEAR_FRAME))
 266                         clearFrame(pain, cleared);
 267                 else if (cleared)
 268                         frame_is_visible = false;
 269                 need_update = NONE;
 270                 return;
 271         }
 272
 273         xpos = x;
 274 #if 0
 275         UpdatableInset::draw(bv, f, baseline, x, cleared);
 276 #else
 277         if (!owner())
 278                 x += static_cast<float>(scroll());
 279 #endif
 280 #if 0
 281         // update insetWidth and insetHeight with dummy calls
 282         (void)ascent(bv, f);
 283         (void)descent(bv, f);
 284         (void)width(bv, f);
 285 #endif
 286
 287         // if top_x differs we have a rule down and we don't have to clear anything
 288         if (!cleared && (top_x == int(x)) &&
 289                 ((need_update&(INIT|FULL)) || (top_baseline!=baseline) ||
 290                  (last_drawn_width!=insetWidth))) {
 291                 clearInset(pain, baseline, cleared);
 292         }
 293         if (cleared)
 294                 frame_is_visible = false;
 295
 296         if (!cleared && (need_update == NONE))
 297                 return;
 298
 299         if (top_x != int(x)) {
 300                 if ((getMaxWidth(bv, this) > 0) &&
 301                         (getLyXText(bv)->width != old_max_width)) {
 302                         resizeLyXText(bv);
 303                         need_update |= FULL;
 304                         old_max_width = getLyXText(bv)->width;
 305                         bv->text->status = LyXText::CHANGED_IN_DRAW;
 306                 }
 307                 top_x = int(x);
 308 #if 1
 309                 clearInset(pain, baseline, cleared);
 310 #else
 311                 return;
 312 #endif
 313         }
 314
 315 //      lyxerr << "InsetText::draw[" << this << "](" << need_update << ":" << int(x) << ":" << top_x << ")\n";
 316
 317         if (cleared || (last_drawn_width != insetWidth)) {
 318                 need_update |= FULL;
 319                 last_drawn_width = insetWidth;
 320         }
 321
 322         top_baseline = baseline;
 323         top_y = baseline - ascent(bv, f);
 324         last_width = width(bv, f);
 325         last_height = ascent(bv, f) + descent(bv, f);
 326
 327         if (the_locking_inset && (cpar(bv) == inset_par)
 328                 && (cpos(bv) == inset_pos)) {
 329                 inset_x = cx(bv) - top_x + drawTextXOffset;
 330                 inset_y = cy(bv) + drawTextYOffset;
 331         }
 332         if (!cleared && (need_update == CURSOR)
 333                 && !getLyXText(bv)->selection.set()) {
 334                 drawFrame(pain, cleared);
 335                 x += last_width; // was width(bv, f);
 336                 need_update = NONE;
 337                 return;
 338         }
 339         x += TEXT_TO_INSET_OFFSET;
 340
 341         int y = 0;
 342         Row * row = getLyXText(bv)->getRowNearY(y);
 343         int y_offset = baseline - row->ascent_of_text();
 344         int ph = pain.paperHeight();
 345         int first = 0;
 346         y = y_offset;
 347         while ((row != 0) && ((y+row->height()) <= 0)) {
 348                 y += row->height();
 349                 first += row->height();
 350                 row = row->next();
 351         }
 352         if (y_offset < 0)
 353                 y_offset = y;
 354         getLyXText(bv)->first = first;
 355         if (cleared) {
 356                 int yf = y_offset;
 357                 y = 0;
 358                 while ((row != 0) && (yf < ph)) {
 359                         getLyXText(bv)->getVisibleRow(bv, y+y_offset, int(x), row,
 360                                                 y+first, cleared);
 361                         y += row->height();
 362                         yf += row->height();
 363                         row = row->next();
 364                 }
 365         } else if (!locked) {
 366                 if (need_update & CURSOR) {
 367                         bv->screen()->ToggleSelection(getLyXText(bv), bv, true, y_offset,int(x));
 368                         getLyXText(bv)->clearSelection(bv);
 369                         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 370                 }
 371                 bv->screen()->Update(getLyXText(bv), bv, y_offset, int(x));
 372         } else {
 373                 locked = false;
 374                 if (need_update & SELECTION)
 375                         bv->screen()->ToggleToggle(getLyXText(bv), bv, y_offset, int(x));
 376                 else if (need_update & CURSOR) {
 377                         bv->screen()->ToggleSelection(getLyXText(bv), bv, true, y_offset,int(x));
 378                         getLyXText(bv)->clearSelection(bv);
 379                         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 380                 }
 381                 bv->screen()->Update(getLyXText(bv), bv, y_offset, int(x));
 382                 locked = true;
 383         }
 384
 385         getLyXText(bv)->refresh_y = 0;
 386         getLyXText(bv)->status = LyXText::UNCHANGED;
 387         if ((need_update != CURSOR_PAR) &&
 388                 ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked)))
 389                 drawFrame(pain, cleared);
 390         else if (need_update & CLEAR_FRAME)
 391                 clearFrame(pain, cleared);
 392         x += last_width /* was width(bv, f) */ - TEXT_TO_INSET_OFFSET;
 393         if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 394                 need_update |= INIT;
 395         } else if (need_update != INIT)
 396                 need_update = NONE;
 397 }
 398
 399
 400 void InsetText::drawFrame(Painter & pain, bool cleared) const
 401 {
 402         if (!frame_is_visible || cleared) {
 403                 pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 404                                insetWidth - 1, insetAscent + insetDescent - 1,
 405                                frame_color);
 406                 frame_is_visible = true;
 407         }
 408 }
 409
 410
 411 void InsetText::clearFrame(Painter & pain, bool cleared) const
 412 {
 413         if (frame_is_visible) {
 414                 if (!cleared) {
 415                         pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 416                                        insetWidth - 1, insetAscent + insetDescent - 1,
 417                                        LColor::background);
 418                 }
 419                 frame_is_visible = false;
 420         }
 421 }
 422
 423
 424 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 425 {
 426                 LyXText * t = getLyXText(bv);
 427
 428 #if 0
 429         int ww = t->width;
 430         t->BreakParagraph(bv);
 431         if (ww != t->width)
 432                 reinit = true;
 433 #endif
 434         if (reinit) {
 435                 need_update |= INIT;
 436                 resizeLyXText(bv);
 437                 if (owner())
 438                         owner()->update(bv, font, true);
 439                 return;
 440         }
 441         if (the_locking_inset) {
 442                 inset_x = cx(bv) - top_x + drawTextXOffset;
 443                 inset_y = cy(bv) + drawTextYOffset;
 444                 the_locking_inset->update(bv, font, reinit);
 445         }
 446 #if 0
 447         if (need_update == INIT) {
 448                 resizeLyXText(bv);
 449                 need_update |= FULL;
 450         }
 451 #endif
 452         int oldw = insetWidth;
 453         insetWidth = t->width + (2 * TEXT_TO_INSET_OFFSET);
 454         if (oldw != insetWidth) {
 455                 resizeLyXText(bv);
 456                 need_update |= FULL;
 457 //              update(bv, font, reinit);
 458                 return;
 459         }
 460         if ((need_update & CURSOR_PAR) && t->status == LyXText::UNCHANGED &&
 461                 the_locking_inset) {
 462                 t->updateInset(bv, the_locking_inset);
 463         }
 464
 465         if (t->status == LyXText::NEED_MORE_REFRESH)
 466                 need_update |= FULL;
 467 #if 0
 468         int y_temp = 0;
 469         Row * row = t->GetRowNearY(y_temp);
 470         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 471         insetDescent = t->height - row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 472 #endif
 473 }
 474
 475
 476 void InsetText::setUpdateStatus(BufferView * bv, int what) const
 477 {
 478         LyXText * t = getLyXText(bv);
 479         need_update |= what;
 480         if (t->status == LyXText::NEED_MORE_REFRESH)
 481                 need_update |= FULL;
 482         else if (t->status == LyXText::NEED_VERY_LITTLE_REFRESH)
 483                 need_update |= CURSOR_PAR;
 484
 485         // this to not draw a selection when we redraw all of it!
 486         if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 487                 t->clearSelection(bv);
 488 }
 489
 490
 491 void InsetText::updateLocal(BufferView * bv, int what, bool mark_dirty)
 492 {
 493                 LyXText * t = getLyXText(bv);
 494         t->fullRebreak(bv);
 495         setUpdateStatus(bv, what);
 496         if (need_update != CURSOR || t->status != LyXText::UNCHANGED ||
 497                 t->selection.set())
 498                 bv->updateInset(this, mark_dirty);
 499         bv->owner()->showState();
 500         if (old_par != cpar(bv)) {
 501                 bv->owner()->setLayout(cpar(bv)->getLayout());
 502                 old_par = cpar(bv);
 503         }
 504 }
 505
 506
 507 string const InsetText::editMessage() const
 508 {
 509         return _("Opened Text Inset");
 510 }
 511
 512
 513 void InsetText::edit(BufferView * bv, int x, int y, unsigned int button)
 514 {
 515 //    par->SetInsetOwner(this);
 516         UpdatableInset::edit(bv, x, y, button);
 517
 518         if (!bv->lockInset(this)) {
 519                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 520                 return;
 521         }
 522         locked = true;
 523         the_locking_inset = 0;
 524         inset_pos = inset_x = inset_y = 0;
 525         inset_boundary = false;
 526         inset_par = 0;
 527         old_par = 0;
 528         int tmp_y = (y < 0) ? 0 : y;
 529         LyXText * t = getLyXText(bv);
 530
 531         if (!checkAndActivateInset(bv, x, tmp_y, button)) {
 532                 t->setCursorFromCoordinates(bv, x - drawTextXOffset,
 533                                                                         y + insetAscent);
 534         }
 535
 536         t->selection.cursor = t->cursor;
 537         bv->text->finishUndo();
 538         showInsetCursor(bv);
 539         updateLocal(bv, CURSOR, false);
 540
 541         // If the inset is empty set the language of the current font to the
 542         // language to the surronding text (if different).
 543         if (par->size() == 0 && !par->next() &&
 544                 bv->getParentLanguage(this) != t->current_font.language()) {
 545                 LyXFont font(LyXFont::ALL_IGNORE);
 546                 font.setLanguage(bv->getParentLanguage(this));
 547                 setFont(bv, font, false);
 548         }
 549 }
 550
 551
 552 void InsetText::insetUnlock(BufferView * bv)
 553 {
 554         if (the_locking_inset) {
 555                 the_locking_inset->insetUnlock(bv);
 556                 the_locking_inset = 0;
 557         }
 558         hideInsetCursor(bv);
 559         no_selection = false;
 560         locked = false;
 561         int code = CURSOR|CLEAR_FRAME;
 562         LyXText * t = getLyXText(bv);
 563         if (t->selection.set()) {
 564                 t->clearSelection(bv);
 565                 code = FULL;
 566         } else if (owner()) {
 567                 bv->owner()->setLayout(owner()->getLyXText(bv)
 568                                        ->cursor.par()->getLayout());
 569         } else
 570                 bv->owner()->setLayout(bv->text->cursor.par()->getLayout());
 571         updateLocal(bv, code, false);
 572 }
 573
 574
 575 bool InsetText::lockInsetInInset(BufferView * bv, UpdatableInset * inset)
 576 {
 577         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 578                               << inset << "): ";
 579         if (!inset)
 580                 return false;
 581         if (inset == cpar(bv)->getInset(cpos(bv))) {
 582                 lyxerr[Debug::INSETS] << "OK" << endl;
 583                 the_locking_inset = inset;
 584                 inset_x = cx(bv) - top_x + drawTextXOffset;
 585                 inset_y = cy(bv) + drawTextYOffset;
 586                 inset_pos = cpos(bv);
 587                 inset_par = cpar(bv);
 588                 inset_boundary = cboundary(bv);
 589 #if 0
 590                 getLyXText(bv)->clearSelection(bv);
 591                 getLyXText(bv)->sel_cursor = getLyXText(bv)->cursor;
 592                 getLyXText(bv)->UpdateInset(bv, the_locking_inset);
 593 #else
 594                 updateLocal(bv, CURSOR, false);
 595 #endif
 596                 return true;
 597         } else if (the_locking_inset && (the_locking_inset == inset)) {
 598                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 599                         lyxerr[Debug::INSETS] << "OK" << endl;
 600                         inset_x = cx(bv) - top_x + drawTextXOffset;
 601                         inset_y = cy(bv) + drawTextYOffset;
 602                 } else {
 603                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 604                 }
 605         } else if (the_locking_inset) {
 606                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 607                 return the_locking_inset->lockInsetInInset(bv, inset);
 608         }
 609         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 610         return false;
 611 }
 612
 613
 614 bool InsetText::unlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 615                                    bool lr)
 616 {
 617         if (!the_locking_inset)
 618                 return false;
 619         if (the_locking_inset == inset) {
 620                 the_locking_inset->insetUnlock(bv);
 621                 getLyXText(bv)->updateInset(bv, inset);
 622                 the_locking_inset = 0;
 623                 if (lr)
 624                         moveRight(bv, false);
 625                 old_par = 0; // force layout setting
 626                 if (scroll())
 627                         scroll(bv, 0.0F);
 628                 else
 629                         updateLocal(bv, CURSOR, false);
 630                 return true;
 631         }
 632         return the_locking_inset->unlockInsetInInset(bv, inset, lr);
 633 }
 634
 635
 636 bool InsetText::updateInsetInInset(BufferView * bv, Inset * inset)
 637 {
 638         if (!the_locking_inset)
 639                 return false;
 640         if (the_locking_inset != inset) {
 641                 getLyXText(bv)->updateInset(bv, the_locking_inset);
 642                 setUpdateStatus(bv, CURSOR_PAR);
 643                 return the_locking_inset->updateInsetInInset(bv, inset);
 644         }
 645 //    updateLocal(bv, FULL, false);
 646         if (getLyXText(bv)->updateInset(bv, inset))
 647                 updateLocal(bv, CURSOR_PAR, false);
 648         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 649                 inset_x = cx(bv) - top_x + drawTextXOffset;
 650                 inset_y = cy(bv) + drawTextYOffset;
 651         }
 652         return true;
 653 }
 654
 655
 656 void InsetText::insetButtonPress(BufferView * bv, int x, int y, int button)
 657 {
 658         no_selection = true;
 659
 660         int tmp_x = x - drawTextXOffset;
 661         int tmp_y = y + insetAscent - getLyXText(bv)->first;
 662         Inset * inset = bv->checkInsetHit(getLyXText(bv), tmp_x, tmp_y, button);
 663
 664         hideInsetCursor(bv);
 665         if (the_locking_inset) {
 666                 if (the_locking_inset == inset) {
 667                         the_locking_inset->insetButtonPress(bv,x-inset_x,y-inset_y,button);
 668                         no_selection = false;
 669                         return;
 670                 } else if (inset) {
 671                         // otherwise unlock the_locking_inset and lock the new inset
 672                         the_locking_inset->insetUnlock(bv);
 673                         inset_x = cx(bv) - top_x + drawTextXOffset;
 674                         inset_y = cy(bv) + drawTextYOffset;
 675                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 676                         inset->insetButtonPress(bv, x - inset_x, y - inset_y, button);
 677                         inset->edit(bv, x - inset_x, y - inset_y, button);
 678                         if (the_locking_inset)
 679                                 updateLocal(bv, CURSOR, false);
 680                         no_selection = false;
 681                         return;
 682                 }
 683                 // otherwise only unlock the_locking_inset
 684                 the_locking_inset->insetUnlock(bv);
 685                 the_locking_inset = 0;
 686         }
 687         if (bv->theLockingInset()) {
 688                 if (inset && inset->editable() == Inset::HIGHLY_EDITABLE) {
 689                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 690                         inset_x = cx(bv) - top_x + drawTextXOffset;
 691                         inset_y = cy(bv) + drawTextYOffset;
 692                         inset_pos = cpos(bv);
 693                         inset_par = cpar(bv);
 694                         inset_boundary = cboundary(bv);
 695                         the_locking_inset = uinset;
 696                         uinset->insetButtonPress(bv, x - inset_x, y - inset_y,
 697                                                  button);
 698                         uinset->edit(bv, x - inset_x, y - inset_y, 0);
 699                         if (the_locking_inset)
 700                                 updateLocal(bv, CURSOR, false);
 701                         no_selection = false;
 702                         return;
 703                 }
 704         }
 705         if (!inset) { // && (button == 2)) {
 706                 bool paste_internally = false;
 707                 if ((button == 2) && getLyXText(bv)->selection.set()) {
 708                         localDispatch(bv, LFUN_COPY, "");
 709                         paste_internally = true;
 710                 }
 711                 getLyXText(bv)->setCursorFromCoordinates(bv, x-drawTextXOffset,
 712                                                    y + insetAscent);
 713                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 714                 updateLocal(bv, CURSOR, false);
 715                 bv->owner()->setLayout(cpar(bv)->getLayout());
 716                 old_par = cpar(bv);
 717                 // Insert primary selection with middle mouse
 718                 // if there is a local selection in the current buffer,
 719                 // insert this
 720                 if (button == 2) {
 721                         if (paste_internally)
 722                                 localDispatch(bv, LFUN_PASTE, "");
 723                         else
 724                                 localDispatch(bv, LFUN_PASTESELECTION,
 725                                               "paragraph");
 726                 }
 727         }
 728         showInsetCursor(bv);
 729         no_selection = false;
 730 }
 731
 732
 733 void InsetText::insetButtonRelease(BufferView * bv, int x, int y, int button)
 734 {
 735         UpdatableInset * inset = 0;
 736
 737         if (the_locking_inset) {
 738                 the_locking_inset->insetButtonRelease(bv,
 739                                                       x - inset_x, y - inset_y,
 740                                                       button);
 741         } else {
 742                 if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
 743                         inset = static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
 744                         if (inset->editable() == Inset::HIGHLY_EDITABLE) {
 745                                 inset->insetButtonRelease(bv,
 746                                                           x - inset_x,
 747                                                           y - inset_y, button);
 748                         } else {
 749                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 750                                 inset_y = cy(bv) + drawTextYOffset;
 751                                 inset->insetButtonRelease(bv,
 752                                                           x - inset_x,
 753                                                           y - inset_y, button);
 754                                 inset->edit(bv,
 755                                             x - inset_x, y - inset_y, button);
 756                         }
 757                         updateLocal(bv, CURSOR_PAR, false);
 758                 }
 759         }
 760         no_selection = false;
 761 }
 762
 763
 764 void InsetText::insetMotionNotify(BufferView * bv, int x, int y, int state)
 765 {
 766         if (no_selection)
 767                 return;
 768         if (the_locking_inset) {
 769                 the_locking_inset->insetMotionNotify(bv, x - inset_x,
 770                                                      y - inset_y,state);
 771                 return;
 772         }
 773         LyXText * t = getLyXText(bv);
 774         hideInsetCursor(bv);
 775         t->setCursorFromCoordinates(bv, x - drawTextXOffset, y + insetAscent);
 776         t->setSelection(bv);
 777         if (t->toggle_cursor.par() != t->toggle_end_cursor.par() ||
 778                 t->toggle_cursor.pos() != t->toggle_end_cursor.pos())
 779                 updateLocal(bv, SELECTION, false);
 780         showInsetCursor(bv);
 781 }
 782
 783
 784 void InsetText::insetKeyPress(XKeyEvent * xke)
 785 {
 786         if (the_locking_inset) {
 787                 the_locking_inset->insetKeyPress(xke);
 788                 return;
 789         }
 790 }
 791
 792
 793 UpdatableInset::RESULT
 794 InsetText::localDispatch(BufferView * bv,
 795                          kb_action action, string const & arg)
 796 {
 797         no_selection = false;
 798         UpdatableInset::RESULT
 799                 result= UpdatableInset::localDispatch(bv, action, arg);
 800         if (result != UNDISPATCHED) {
 801                 return DISPATCHED;
 802         }
 803
 804         result = DISPATCHED;
 805         if ((action < 0) && arg.empty())
 806                 return FINISHED;
 807
 808         if (the_locking_inset) {
 809                 result = the_locking_inset->localDispatch(bv, action, arg);
 810                 if (result == DISPATCHED_NOUPDATE)
 811                         return result;
 812                 else if (result == DISPATCHED) {
 813                         updateLocal(bv, CURSOR_PAR, false);
 814                         return result;
 815                 } else if (result == FINISHED) {
 816                         bool dispatched = false;
 817                         switch (action) {
 818                         case LFUN_UNKNOWN_ACTION:
 819                         case LFUN_BREAKPARAGRAPH:
 820                         case LFUN_BREAKLINE:
 821                                 moveRightIntern(bv, false, false);
 822                                 break;
 823                         case LFUN_RIGHT:
 824                                 if (!getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 825                                         moveRightIntern(bv, false, false);
 826                                 dispatched = true;
 827                                 break;
 828                         case LFUN_LEFT:
 829                                 if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 830                                         moveRightIntern(bv, false, false);
 831                                 dispatched = true;
 832                                 break;
 833                         default:
 834                                 break;
 835                         }
 836                         the_locking_inset = 0;
 837                         if (dispatched)
 838                                 return DISPATCHED;
 839                 }
 840         }
 841         hideInsetCursor(bv);
 842         switch (action) {
 843         // Normal chars
 844         case LFUN_SELFINSERT:
 845                 if (bv->buffer()->isReadonly()) {
 846 //          setErrorMessage(N_("Document is read only"));
 847                         break;
 848                 }
 849                 if (!arg.empty()) {
 850                         /* Automatically delete the currently selected
 851                          * text and replace it with what is being
 852                          * typed in now. Depends on lyxrc settings
 853                          * "auto_region_delete", which defaults to
 854                          * true (on). */
 855
 856                         bv->text->setUndo(bv->buffer(), Undo::INSERT,
 857                                           bv->text->cursor.par()->previous(),
 858                                           bv->text->cursor.par()->next());
 859                         bv->setState();
 860                         if (lyxrc.auto_region_delete) {
 861                                 if (getLyXText(bv)->selection.set()) {
 862                                         getLyXText(bv)->cutSelection(bv, false);
 863                                 }
 864                         }
 865                         getLyXText(bv)->clearSelection(bv);
 866                         for (string::size_type i = 0; i < arg.length(); ++i) {
 867                                 if (greek_kb_flag) {
 868                                         if (!math_insert_greek(bv, arg[i])) {
 869                                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], getLyXText(bv));
 870                                         } else if (!the_locking_inset) {
 871                                                 (void)moveRight(bv, false);
 872                                         }
 873                                 } else {
 874                                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], getLyXText(bv));
 875                                 }
 876                         }
 877                 }
 878                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
 879                 updateLocal(bv, CURSOR_PAR, true);
 880                 result = DISPATCHED_NOUPDATE;
 881                 break;
 882                 // --- Cursor Movements -----------------------------------
 883         case LFUN_RIGHTSEL:
 884                 bv->text->finishUndo();
 885                 moveRight(bv, false, true);
 886                 getLyXText(bv)->setSelection(bv);
 887                 updateLocal(bv, SELECTION, false);
 888                 break;
 889         case LFUN_RIGHT:
 890                 result = moveRight(bv);
 891                 bv->text->finishUndo();
 892                 updateLocal(bv, CURSOR, false);
 893                 break;
 894         case LFUN_LEFTSEL:
 895                 bv->text->finishUndo();
 896                 moveLeft(bv, false, true);
 897                 getLyXText(bv)->setSelection(bv);
 898                 updateLocal(bv, SELECTION, false);
 899                 break;
 900         case LFUN_LEFT:
 901                 bv->text->finishUndo();
 902                 result = moveLeft(bv);
 903                 updateLocal(bv, CURSOR, false);
 904                 break;
 905         case LFUN_DOWNSEL:
 906                 bv->text->finishUndo();
 907                 moveDown(bv);
 908                 getLyXText(bv)->setSelection(bv);
 909                 updateLocal(bv, SELECTION, false);
 910                 break;
 911         case LFUN_DOWN:
 912                 bv->text->finishUndo();
 913                 result = moveDown(bv);
 914                 updateLocal(bv, CURSOR, false);
 915                 break;
 916         case LFUN_UPSEL:
 917                 bv->text->finishUndo();
 918                 moveUp(bv);
 919                 getLyXText(bv)->setSelection(bv);
 920                 updateLocal(bv, SELECTION, false);
 921                 break;
 922         case LFUN_UP:
 923                 bv->text->finishUndo();
 924                 result = moveUp(bv);
 925                 updateLocal(bv, CURSOR, false);
 926                 break;
 927         case LFUN_HOME:
 928                 bv->text->finishUndo();
 929                 getLyXText(bv)->cursorHome(bv);
 930                 updateLocal(bv, CURSOR, false);
 931                 break;
 932         case LFUN_END:
 933                 getLyXText(bv)->cursorEnd(bv);
 934                 updateLocal(bv, CURSOR, false);
 935                 break;
 936         case LFUN_BACKSPACE: {
 937                 bv->text->setUndo(bv->buffer(), Undo::DELETE,
 938                                   bv->text->cursor.par()->previous(),
 939                                   bv->text->cursor.par()->next());
 940                 LyXText * t = getLyXText(bv);
 941
 942                 if (t->selection.set()) {
 943                         t->cutSelection(bv);
 944                 } else {
 945                         t->backspace(bv);
 946                 }
 947
 948                 updateLocal(bv, CURSOR_PAR, true);
 949         }
 950         break;
 951
 952         case LFUN_DELETE:
 953         {
 954                 bv->text->setUndo(bv->buffer(), Undo::DELETE,
 955                                   bv->text->cursor.par()->previous(),
 956                                   bv->text->cursor.par()->next());
 957                 LyXText * t = getLyXText(bv);
 958
 959                 if (t->selection.set()) {
 960                         t->cutSelection(bv);
 961                 } else {
 962                         t->Delete(bv);
 963                 }
 964                 updateLocal(bv, CURSOR_PAR, true);
 965         }
 966         break;
 967
 968         case LFUN_CUT:
 969                 bv->text->setUndo(bv->buffer(), Undo::DELETE,
 970                                   bv->text->cursor.par()->previous(),
 971                                   bv->text->cursor.par()->next());
 972                 getLyXText(bv)->cutSelection(bv);
 973                 updateLocal(bv, CURSOR_PAR, true);
 974                 break;
 975         case LFUN_COPY:
 976                 bv->text->finishUndo();
 977                 getLyXText(bv)->copySelection(bv);
 978                 updateLocal(bv, CURSOR_PAR, false);
 979                 break;
 980         case LFUN_PASTESELECTION:
 981         {
 982                 string const clip(bv->getClipboard());
 983
 984                 if (clip.empty())
 985                         break;
 986                 if (arg == "paragraph") {
 987                         getLyXText(bv)->insertStringAsParagraphs(bv, clip);
 988                 } else {
 989                         getLyXText(bv)->insertStringAsLines(bv, clip);
 990                 }
 991                 updateLocal(bv, CURSOR_PAR, true);
 992                 break;
 993         }
 994         case LFUN_PASTE:
 995                 if (!autoBreakRows) {
 996                         CutAndPaste cap;
 997
 998                         if (cap.nrOfParagraphs() > 1) {
 999                                 WriteAlert(_("Impossible operation"),
1000                                                    _("Cannot include more than one paragraph!"),
1001                                                    _("Sorry."));
1002                                 break;
1003                         }
1004                 }
1005                 bv->text->setUndo(bv->buffer(), Undo::INSERT,
1006                                   bv->text->cursor.par()->previous(),
1007                                   bv->text->cursor.par()->next());
1008                 getLyXText(bv)->pasteSelection(bv);
1009                 updateLocal(bv, CURSOR_PAR, true);
1010                 break;
1011         case LFUN_BREAKPARAGRAPH:
1012                 if (!autoBreakRows)
1013                         return DISPATCHED;
1014                 getLyXText(bv)->breakParagraph(bv, 0);
1015                 updateLocal(bv, FULL, true);
1016                 break;
1017         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1018                 if (!autoBreakRows)
1019                         return DISPATCHED;
1020                 getLyXText(bv)->breakParagraph(bv, 1);
1021                 updateLocal(bv, FULL, true);
1022                 break;
1023         case LFUN_BREAKLINE:
1024                 if (!autoBreakRows)
1025                         return DISPATCHED;
1026                 bv->text->setUndo(bv->buffer(), Undo::INSERT,
1027                                   bv->text->cursor.par()->previous(),
1028                                   bv->text->cursor.par()->next());
1029                 getLyXText(bv)->insertChar(bv, Paragraph::META_NEWLINE);
1030                 updateLocal(bv, CURSOR_PAR, true);
1031                 break;
1032         case LFUN_LAYOUT:
1033                 // do not set layouts on non breakable textinsets
1034                 if (autoBreakRows) {
1035                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1036
1037                         // Derive layout number from given argument (string)
1038                         // and current buffer's textclass (number). */
1039                         LyXTextClassList::ClassList::size_type tclass =
1040                                 bv->buffer()->params.textclass;
1041                         std::pair <bool, LyXTextClass::size_type> layout =
1042                                 textclasslist.NumberOfLayout(tclass, arg);
1043
1044                         // If the entry is obsolete, use the new one instead.
1045                         if (layout.first) {
1046                                 string obs = textclasslist.Style(tclass,layout.second).
1047                                         obsoleted_by();
1048                                 if (!obs.empty())
1049                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1050                         }
1051
1052                         // see if we found the layout number:
1053                         if (!layout.first) {
1054                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1055                                 bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, msg);
1056                                 break;
1057                         }
1058
1059                         if (cur_layout != layout.second) {
1060                                 cur_layout = layout.second;
1061                                 getLyXText(bv)->setLayout(bv, layout.second);
1062                                 bv->owner()->setLayout(cpar(bv)->getLayout());
1063                                 updateLocal(bv, CURSOR_PAR, true);
1064                         }
1065                 } else {
1066                         // reset the layout box
1067                         bv->owner()->setLayout(cpar(bv)->getLayout());
1068                 }
1069                 break;
1070         case LFUN_PARAGRAPH_SPACING:
1071                 // This one is absolutely not working. When fiddling with this
1072                 // it also seems to me that the paragraphs inside the insettext
1073                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1074         {
1075                 Paragraph * par = getLyXText(bv)->cursor.par();
1076                 Spacing::Space cur_spacing = par->params().spacing().getSpace();
1077                 float cur_value = 1.0;
1078                 if (cur_spacing == Spacing::Other) {
1079                         cur_value = par->params().spacing().getValue();
1080                 }
1081
1082                 std::istringstream istr(arg.c_str());
1083                 string tmp;
1084                 istr >> tmp;
1085                 Spacing::Space new_spacing = cur_spacing;
1086                 float new_value = cur_value;
1087                 if (tmp.empty()) {
1088                         lyxerr << "Missing argument to `paragraph-spacing'"
1089                                    << endl;
1090                 } else if (tmp == "single") {
1091                         new_spacing = Spacing::Single;
1092                 } else if (tmp == "onehalf") {
1093                         new_spacing = Spacing::Onehalf;
1094                 } else if (tmp == "double") {
1095                         new_spacing = Spacing::Double;
1096                 } else if (tmp == "other") {
1097                         new_spacing = Spacing::Other;
1098                         float tmpval = 0.0;
1099                         istr >> tmpval;
1100                         lyxerr << "new_value = " << tmpval << endl;
1101                         if (tmpval != 0.0)
1102                                 new_value = tmpval;
1103                 } else if (tmp == "default") {
1104                         new_spacing = Spacing::Default;
1105                 } else {
1106                         lyxerr << _("Unknown spacing argument: ")
1107                                    << arg << endl;
1108                 }
1109                 if (cur_spacing != new_spacing || cur_value != new_value) {
1110                         par->params().spacing(Spacing(new_spacing, new_value));
1111                         //getLyXText(bv)->RedoParagraph(owner->view());
1112                         updateLocal(bv, CURSOR_PAR, true);
1113                         //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1114                 }
1115         }
1116         break;
1117
1118         default:
1119                 if (!bv->Dispatch(action, arg))
1120                         result = UNDISPATCHED;
1121                 break;
1122         }
1123
1124         /// If the action has deleted all text in the inset, we need to change the
1125         // language to the language to the surronding text.
1126         if (par->size() == 0 && !par->next()) {
1127                 LyXFont font(LyXFont::ALL_IGNORE);
1128                 font.setLanguage(bv->getParentLanguage(this));
1129                 setFont(bv, font, false);
1130         }
1131
1132         if (result != FINISHED) {
1133                 showInsetCursor(bv);
1134         } else
1135                 bv->unlockInset(this);
1136         return result;
1137 }
1138
1139
1140 int InsetText::latex(Buffer const * buf, ostream & os, bool, bool) const
1141 {
1142         TexRow texrow;
1143         buf->latexParagraphs(os, par, 0, texrow);
1144         return texrow.rows();
1145 }
1146
1147
1148 int InsetText::ascii(Buffer const * buf, ostream & os, int linelen) const
1149 {
1150         Paragraph * p = par;
1151         unsigned int lines = 0;
1152
1153         while (p) {
1154                 string const tmp = buf->asciiParagraph(p, linelen);
1155                 lines += countChar(tmp, '\n');
1156                 os << tmp;
1157                 p = p->next();
1158         }
1159         return lines;
1160 }
1161
1162
1163 int InsetText::docBook(Buffer const * buf, ostream & os) const
1164 {
1165         Paragraph * p = par;
1166         unsigned int lines = 0;
1167         int desc = 0;
1168
1169         string tmp;
1170         while (p) {
1171                 buf->simpleDocBookOnePar(os, tmp, p, desc, 0);
1172                 p = p->next();
1173         }
1174
1175         return lines;
1176 }
1177
1178
1179 void InsetText::validate(LaTeXFeatures & features) const
1180 {
1181         Paragraph * p = par;
1182         while (p) {
1183                 p->validate(features);
1184                 p = p->next();
1185         }
1186 }
1187
1188
1189 int InsetText::beginningOfMainBody(Buffer const * buf, Paragraph * p) const
1190 {
1191         if (textclasslist.Style(buf->params.textclass,
1192                                 p->getLayout()).labeltype != LABEL_MANUAL)
1193                 return 0;
1194         else
1195                 return p->beginningOfMainBody();
1196 }
1197
1198
1199 void InsetText::getCursorPos(BufferView * bv,
1200                              int & x, int & y) const
1201 {
1202         x = cx(bv);
1203         y = cy(bv);
1204 }
1205
1206
1207 unsigned int InsetText::insetInInsetY()
1208 {
1209         if (!the_locking_inset)
1210                 return 0;
1211
1212         return (inset_y + the_locking_inset->insetInInsetY());
1213 }
1214
1215
1216 void InsetText::toggleInsetCursor(BufferView * bv)
1217 {
1218         if (the_locking_inset) {
1219                 the_locking_inset->toggleInsetCursor(bv);
1220                 return;
1221         }
1222
1223         LyXFont const font(getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv)));
1224
1225         int const asc = lyxfont::maxAscent(font);
1226         int const desc = lyxfont::maxDescent(font);
1227
1228         if (isCursorVisible())
1229                 bv->hideLockedInsetCursor();
1230         else
1231                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1232         toggleCursorVisible();
1233 }
1234
1235
1236 void InsetText::showInsetCursor(BufferView * bv, bool show)
1237 {
1238         if (the_locking_inset) {
1239                 the_locking_inset->showInsetCursor(bv);
1240                 return;
1241         }
1242         if (!isCursorVisible()) {
1243                 LyXFont const font =
1244                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1245
1246                 int const asc = lyxfont::maxAscent(font);
1247                 int const desc = lyxfont::maxDescent(font);
1248
1249                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1250                 if (show)
1251                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1252                 setCursorVisible(true);
1253         }
1254 }
1255
1256
1257 void InsetText::hideInsetCursor(BufferView * bv)
1258 {
1259         if (isCursorVisible()) {
1260                 bv->hideLockedInsetCursor();
1261                 setCursorVisible(false);
1262         }
1263         if (the_locking_inset)
1264                 the_locking_inset->hideInsetCursor(bv);
1265 }
1266
1267
1268 UpdatableInset::RESULT
1269 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1270 {
1271         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1272                 return moveLeftIntern(bv, false, activate_inset, selecting);
1273         else
1274                 return moveRightIntern(bv, false, activate_inset, selecting);
1275 }
1276
1277
1278 UpdatableInset::RESULT
1279 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1280 {
1281         if (getLyXText(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1282                 return moveRightIntern(bv, true, activate_inset, selecting);
1283         else
1284                 return moveLeftIntern(bv, true, activate_inset, selecting);
1285 }
1286
1287
1288 UpdatableInset::RESULT
1289 InsetText::moveRightIntern(BufferView * bv, bool behind,
1290                            bool activate_inset, bool selecting)
1291 {
1292         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1293                 return FINISHED;
1294         if (activate_inset && checkAndActivateInset(bv, behind))
1295                 return DISPATCHED;
1296         getLyXText(bv)->cursorRight(bv);
1297         if (!selecting)
1298                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1299         return DISPATCHED_NOUPDATE;
1300 }
1301
1302
1303 UpdatableInset::RESULT
1304 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1305                           bool activate_inset, bool selecting)
1306 {
1307         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1308                 return FINISHED;
1309         getLyXText(bv)->cursorLeft(bv);
1310         if (!selecting)
1311                 getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1312         if (activate_inset && checkAndActivateInset(bv, behind))
1313                 return DISPATCHED;
1314         return DISPATCHED_NOUPDATE;
1315 }
1316
1317
1318 UpdatableInset::RESULT
1319 InsetText::moveUp(BufferView * bv)
1320 {
1321         if (!crow(bv)->previous())
1322                 return FINISHED;
1323         getLyXText(bv)->cursorUp(bv);
1324         return DISPATCHED_NOUPDATE;
1325 }
1326
1327
1328 UpdatableInset::RESULT
1329 InsetText::moveDown(BufferView * bv)
1330 {
1331         if (!crow(bv)->next())
1332                 return FINISHED;
1333         getLyXText(bv)->cursorDown(bv);
1334         return DISPATCHED_NOUPDATE;
1335 }
1336
1337
1338 bool InsetText::insertInset(BufferView * bv, Inset * inset)
1339 {
1340         if (the_locking_inset) {
1341                 if (the_locking_inset->insertInsetAllowed(inset))
1342                         return the_locking_inset->insertInset(bv, inset);
1343                 return false;
1344         }
1345         bv->text->setUndo(bv->buffer(), Undo::INSERT,
1346                           bv->text->cursor.par()->previous(),
1347                           bv->text->cursor.par()->next());
1348         inset->setOwner(this);
1349         hideInsetCursor(bv);
1350         getLyXText(bv)->insertInset(bv, inset);
1351 #if 0
1352         if ((cpar(bv)->GetChar(cpos(bv)) != Paragraph::META_INSET) ||
1353                 (cpar(bv)->GetInset(cpos(bv)) != inset))
1354                 getLyXText(bv)->CursorLeft(bv);
1355 #endif
1356         bv->fitCursor(getLyXText(bv));
1357         updateLocal(bv, CURSOR_PAR|CURSOR, true);
1358         showInsetCursor(bv);
1359         return true;
1360 }
1361
1362
1363 UpdatableInset * InsetText::getLockingInset()
1364 {
1365         return the_locking_inset ? the_locking_inset->getLockingInset() : this;
1366 }
1367
1368
1369 UpdatableInset * InsetText::getFirstLockingInsetOfType(Inset::Code c)
1370 {
1371         if (c == lyxCode())
1372                 return this;
1373         if (the_locking_inset)
1374                 return the_locking_inset->getFirstLockingInsetOfType(c);
1375         return 0;
1376 }
1377
1378
1379 bool InsetText::showInsetDialog(BufferView * bv) const
1380 {
1381         if (the_locking_inset)
1382                 return the_locking_inset->showInsetDialog(bv);
1383         return false;
1384 }
1385
1386
1387 std::vector<string> const InsetText::getLabelList() const
1388 {
1389         std::vector<string> label_list;
1390
1391         Paragraph * tpar = par;
1392         while (tpar) {
1393                 Paragraph::inset_iterator beg = tpar->inset_iterator_begin();
1394                 Paragraph::inset_iterator end = tpar->inset_iterator_end();
1395                 for (; beg != end; ++beg) {
1396                         std::vector<string> const l = (*beg)->getLabelList();
1397                         label_list.insert(label_list.end(), l.begin(), l.end());
1398                 }
1399                 tpar = tpar->next();
1400         }
1401         return label_list;
1402 }
1403
1404
1405 void InsetText::setFont(BufferView * bv, LyXFont const & font, bool toggleall,
1406                         bool selectall)
1407 {
1408         if (the_locking_inset) {
1409                 the_locking_inset->setFont(bv, font, toggleall, selectall);
1410                 return;
1411         }
1412         if (getLyXText(bv)->selection.set()) {
1413                 bv->text->setUndo(bv->buffer(), Undo::EDIT,
1414                                   bv->text->cursor.par()->previous(),
1415                                   bv->text->cursor.par()->next());
1416         }
1417         if (selectall)
1418                 selectAll(bv);
1419         getLyXText(bv)->setFont(bv, font, toggleall);
1420         if (selectall)
1421                 getLyXText(bv)->clearSelection(bv);
1422         bv->fitCursor(getLyXText(bv));
1423         if (selectall || getLyXText(bv)->selection.set())
1424                 updateLocal(bv, FULL, true);
1425         else
1426                 updateLocal(bv, CURSOR_PAR, true);
1427 }
1428
1429
1430 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1431 {
1432         if (cpar(bv)->getChar(cpos(bv)) == Paragraph::META_INSET) {
1433                 unsigned int x;
1434                 unsigned int y;
1435                 Inset * inset =
1436                         static_cast<UpdatableInset*>(cpar(bv)->getInset(cpos(bv)));
1437                 if (!inset || inset->editable() != Inset::HIGHLY_EDITABLE)
1438                         return false;
1439                 LyXFont const font =
1440                         getLyXText(bv)->getFont(bv->buffer(), cpar(bv), cpos(bv));
1441                 if (behind) {
1442                         x = inset->width(bv, font);
1443                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1444                 } else {
1445                         x = 0;
1446                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1447                 }
1448                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1449                 //inset_y = cy(bv) + drawTextYOffset;
1450                 inset->edit(bv, x, y, 0);
1451                 if (!the_locking_inset)
1452                         return false;
1453                 updateLocal(bv, CURSOR, false);
1454                 return true;
1455         }
1456         return false;
1457 }
1458
1459
1460 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1461                                       int button)
1462 {
1463         x -= drawTextXOffset;
1464         int dummyx = x;
1465         int dummyy = y + insetAscent;
1466         Inset * inset = bv->checkInsetHit(getLyXText(bv), dummyx, dummyy, button);
1467
1468         if (inset) {
1469                 if (x < 0)
1470                         x = insetWidth;
1471                 if (y < 0)
1472                         y = insetDescent;
1473                 inset_x = cx(bv) - top_x + drawTextXOffset;
1474                 inset_y = cy(bv) + drawTextYOffset;
1475                 inset->edit(bv, x - inset_x, y - inset_y, button);
1476                 if (!the_locking_inset)
1477                         return false;
1478                 updateLocal(bv, CURSOR, false);
1479                 return true;
1480         }
1481         return false;
1482 }
1483
1484
1485 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1486 {
1487         int w = UpdatableInset::getMaxWidth(bv, inset);
1488         if (w < 0) {
1489                 return w;
1490         }
1491         if (owner()) {
1492                 w = w - top_x + owner()->x();
1493                 return w;
1494         }
1495         w -= (2 * TEXT_TO_INSET_OFFSET);
1496         return w - top_x;
1497 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1498 }
1499
1500
1501 void InsetText::setParagraphData(Paragraph * p)
1502 {
1503         // delete all instances of LyXText before deleting the paragraps used
1504         // by it.
1505         cached_bview = 0;
1506         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1507                 delete (*cit).second;
1508                 (*cit).second = 0;
1509         }
1510
1511         while (par) {
1512                 Paragraph * tmp = par->next();
1513                 delete par;
1514                 par = tmp;
1515         }
1516
1517         par = new Paragraph(*p);
1518         par->setInsetOwner(this);
1519         Paragraph * np = par;
1520         while (p->next()) {
1521                 p = p->next();
1522                 np->next(new Paragraph(*p));
1523                 np->next()->previous(np);
1524                 np = np->next();
1525                 np->setInsetOwner(this);
1526         }
1527
1528         need_update = INIT;
1529 }
1530
1531
1532 void InsetText::setText(string const & data)
1533 {
1534         clear();
1535         LyXFont font(LyXFont::ALL_SANE);
1536         for (unsigned int i=0; i < data.length(); ++i)
1537                 par->insertChar(i, data[i], font);
1538 }
1539
1540
1541 void InsetText::setAutoBreakRows(bool flag)
1542 {
1543         if (flag != autoBreakRows) {
1544                 autoBreakRows = flag;
1545                 need_update = FULL;
1546                 if (!flag)
1547                         removeNewlines();
1548         }
1549 }
1550
1551
1552 void InsetText::setDrawFrame(BufferView * bv, DrawFrame how)
1553 {
1554         if (how != drawFrame_) {
1555                 drawFrame_ = how;
1556                 if (bv)
1557                         updateLocal(bv, DRAW_FRAME, false);
1558         }
1559 }
1560
1561
1562 void InsetText::setFrameColor(BufferView * bv, LColor::color col)
1563 {
1564         if (frame_color != col) {
1565                 frame_color = col;
1566                 if (bv)
1567                         updateLocal(bv, DRAW_FRAME, false);
1568         }
1569 }
1570
1571
1572 int InsetText::cx(BufferView * bv) const
1573 {
1574         LyXText * text = getLyXText(bv);
1575         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1576         if (the_locking_inset) {
1577                 LyXFont font = text->getFont(bv->buffer(),
1578                                              text->cursor.par(),
1579                                              text->cursor.pos());
1580                 if (font.isVisibleRightToLeft())
1581                         x -= the_locking_inset->width(bv, font);
1582         }
1583         return x;
1584 }
1585
1586
1587 int InsetText::cy(BufferView * bv) const
1588 {
1589         LyXFont font;
1590         return getLyXText(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1591 }
1592
1593
1594 Paragraph::size_type InsetText::cpos(BufferView * bv) const
1595 {
1596         return getLyXText(bv)->cursor.pos();
1597 }
1598
1599
1600 Paragraph * InsetText::cpar(BufferView * bv) const
1601 {
1602         return getLyXText(bv)->cursor.par();
1603 }
1604
1605
1606 bool InsetText::cboundary(BufferView * bv) const
1607 {
1608         return getLyXText(bv)->cursor.boundary();
1609 }
1610
1611
1612 Row * InsetText::crow(BufferView * bv) const
1613 {
1614         return getLyXText(bv)->cursor.row();
1615 }
1616
1617
1618 LyXText * InsetText::getLyXText(BufferView const * lbv,
1619                                 bool const recursive) const
1620 {
1621         if (!recursive && (cached_bview == lbv))
1622                 return cached_text;
1623
1624         // Super UGLY! (Lgb)
1625         BufferView * bv = const_cast<BufferView *>(lbv);
1626
1627         cached_bview = bv;
1628         Cache::iterator it = cache.find(bv);
1629
1630         if (it != cache.end()) {
1631                 lyx::Assert(it->second);
1632
1633                 cached_text = it->second;
1634                 if (recursive && the_locking_inset) {
1635                         return the_locking_inset->getLyXText(bv);
1636                 }
1637                 return cached_text;
1638         }
1639         cached_text = new LyXText(const_cast<InsetText *>(this));
1640         cached_text->init(bv);
1641
1642         cache.insert(make_pair(bv, cached_text));
1643
1644         if (the_locking_inset) {
1645                 cached_text->setCursor(bv, inset_par, inset_pos,
1646                                                            true, inset_boundary);
1647                 if (recursive) {
1648                         return the_locking_inset->getLyXText(bv);
1649                 }
1650         }
1651         return cached_text;
1652 }
1653
1654
1655 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1656 {
1657         cached_bview = 0;
1658
1659         Cache::iterator it = cache.find(bv);
1660
1661         if (it == cache.end()) {
1662                 return;
1663         }
1664
1665         lyx::Assert(it->second);
1666
1667         delete it->second;
1668         cache.erase(bv);
1669         if (recursive) {
1670                 /// then remove all LyXText in text-insets
1671                 Paragraph * p = par;
1672                 for (; p; p = p->next()) {
1673                         p->deleteInsetsLyXText(bv);
1674                 }
1675         }
1676 }
1677
1678
1679 void InsetText::resizeLyXText(BufferView * bv, bool force) const
1680 {
1681         if (!par->next() && !par->size()) // no data, resize not neccessary!
1682                 return;
1683         // one endless line, resize normally not necessary
1684         if (!force && getMaxWidth(bv, this) < 0)
1685                 return;
1686
1687         Cache::iterator it = cache.find(bv);
1688         if (it == cache.end()) {
1689                 return;
1690         }
1691         lyx::Assert(it->second);
1692
1693         Paragraph * lpar = 0;
1694         Paragraph * selstartpar = 0;
1695         Paragraph * selendpar = 0;
1696         Paragraph::size_type pos = 0;
1697         Paragraph::size_type selstartpos = 0;
1698         Paragraph::size_type selendpos = 0;
1699         bool boundary = false;
1700         bool selstartboundary = false;
1701         bool selendboundary = false;
1702         bool selection = false;
1703         bool mark_set = false;
1704
1705 //    ProhibitInput(bv);
1706
1707         if (locked) {
1708                 LyXText * t = getLyXText(bv);
1709                 lpar = t->cursor.par();
1710                 pos = t->cursor.pos();
1711                 boundary = t->cursor.boundary();
1712                 selstartpar = t->selection.start.par();
1713                 selstartpos = t->selection.start.pos();
1714                 selstartboundary = t->selection.start.boundary();
1715                 selendpar = t->selection.end.par();
1716                 selendpos = t->selection.end.pos();
1717                 selendboundary = t->selection.end.boundary();
1718                 selection = t->selection.set();
1719                 mark_set = t->selection.mark();
1720         }
1721         deleteLyXText(bv, (the_locking_inset == 0) || force);
1722
1723         if (lpar) {
1724                 LyXText * t = getLyXText(bv);
1725
1726                 t->selection.set(true);
1727                 /* at this point just to avoid the Delete-Empty-Paragraph
1728                  * Mechanism when setting the cursor */
1729                 t->selection.mark(mark_set);
1730                 if (selection) {
1731                         t->setCursor(bv, selstartpar, selstartpos, true, selstartboundary);
1732                         t->selection.cursor = t->cursor;
1733                         t->setCursor(bv, selendpar, selendpos, true, selendboundary);
1734                         t->setSelection(bv);
1735                         t->setCursor(bv, lpar, pos);
1736                 } else {
1737                         t->setCursor(bv, lpar, pos, true, boundary);
1738                         t->selection.cursor = t->cursor;
1739                         t->selection.set(false);
1740                 }
1741         }
1742         if (bv->screen()) {
1743                         LyXText * t = getLyXText(bv);
1744                         t->first = bv->screen()->TopCursorVisible(t);
1745         }
1746
1747         // this will scroll the screen such that the cursor becomes visible
1748         bv->updateScrollbar();
1749 //    AllowInput(bv);
1750         if (the_locking_inset) {
1751                 /// then resize all LyXText in text-insets
1752                 inset_x = cx(bv) - top_x + drawTextXOffset;
1753                 inset_y = cy(bv) + drawTextYOffset;
1754                 for (Paragraph * p = par; p; p = p->next()) {
1755                         p->resizeInsetsLyXText(bv);
1756                 }
1757         }
1758         need_update = FULL;
1759 }
1760
1761
1762 void InsetText::removeNewlines()
1763 {
1764         for (Paragraph * p = par; p; p = p->next()) {
1765                 for (int i = 0; i < p->size(); ++i) {
1766                         if (p->getChar(i) == Paragraph::META_NEWLINE)
1767                                 p->erase(i);
1768                 }
1769         }
1770 }
1771
1772
1773 bool InsetText::nodraw() const
1774 {
1775         if (the_locking_inset)
1776                 return the_locking_inset->nodraw();
1777         return UpdatableInset::nodraw();
1778 }
1779
1780
1781 int InsetText::scroll(bool recursive) const
1782 {
1783         int sx = UpdatableInset::scroll(false);
1784
1785         if (recursive && the_locking_inset)
1786                 sx += the_locking_inset->scroll(recursive);
1787
1788         return sx;
1789 }
1790
1791
1792 bool InsetText::doClearArea() const
1793 {
1794         return !locked || (need_update & (FULL|INIT));
1795 }
1796
1797
1798 void InsetText::selectAll(BufferView * bv)
1799 {
1800         getLyXText(bv)->cursorTop(bv);
1801         getLyXText(bv)->selection.cursor = getLyXText(bv)->cursor;
1802         getLyXText(bv)->cursorBottom(bv);
1803         getLyXText(bv)->setSelection(bv);
1804 }
1805
1806
1807 void InsetText::clearSelection(BufferView * bv)
1808 {
1809         getLyXText(bv)->clearSelection(bv);
1810 }
1811
1812
1813 void InsetText::clearInset(Painter & pain, int baseline, bool & cleared) const
1814 {
1815         int w =  insetWidth;
1816         int h = insetAscent + insetDescent;
1817         int ty = baseline - insetAscent;
1818
1819         if (ty < 0) {
1820                 h += ty;
1821                 ty = 0;
1822         }
1823         if ((ty + h) > pain.paperHeight())
1824                 h = pain.paperHeight();
1825         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
1826                 w = pain.paperWidth();
1827         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
1828         cleared = true;
1829         need_update = FULL;
1830 }
1831 /* Emacs:
1832  * Local variables:
1833  * tab-width: 4
1834  * End:
1835  * vi:set tabstop=4:
1836  */