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