src/insets/insettext.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1998-2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include <fstream>
  15 #include <algorithm>
  16
  17 #include <cstdlib>
  18
  19 #ifdef __GNUG__
  20 #pragma implementation
  21 #endif
  22
  23 #include "insettext.h"
  24 #include "lyxparagraph.h"
  25 #include "lyxlex.h"
  26 #include "debug.h"
  27 #include "lyxfont.h"
  28 #include "commandtags.h"
  29 #include "buffer.h"
  30 #include "LyXView.h"
  31 #include "BufferView.h"
  32 #include "layout.h"
  33 #include "LaTeXFeatures.h"
  34 #include "Painter.h"
  35 #include "lyx_gui_misc.h"
  36 #include "lyxtext.h"
  37 #include "lyxcursor.h"
  38 #include "CutAndPaste.h"
  39 #include "font.h"
  40 #include "LColor.h"
  41 #include "support/textutils.h"
  42 #include "support/LAssert.h"
  43 #include "lyxrow.h"
  44 #include "lyxrc.h"
  45 #include "intl.h"
  46 #include "trans_mgr.h"
  47 #include "lyxscreen.h"
  48 #include "WorkArea.h"
  49 #include "gettext.h"
  50 #include "lyxfunc.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 LyXParagraph;
  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         interline_space = 1;
  96         no_selection = false;
  97         need_update = INIT;
  98         drawTextXOffset = 0;
  99         drawTextYOffset = 0;
 100         autoBreakRows = false;
 101         drawFrame_ = NEVER;
 102         xpos = 0.0;
 103         if (ins) {
 104                 SetParagraphData(ins->par);
 105                 autoBreakRows = ins->autoBreakRows;
 106                 drawFrame_ = ins->drawFrame_;
 107         }
 108         par->SetInsetOwner(this);
 109         frame_color = LColor::insetframe;
 110         locked = false;
 111         old_par = 0;
 112         last_drawn_width = -1;
 113         frame_is_visible = false;
 114 }
 115
 116
 117 InsetText::~InsetText()
 118 {
 119         // delete all instances of LyXText before deleting the paragraps used
 120         // by it.
 121         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 122                 delete (*cit).second;
 123                 (*cit).second = 0;
 124         }
 125
 126         while (par) {
 127                 LyXParagraph * tmp = par->next();
 128                 delete par;
 129                 par = tmp;
 130         }
 131 }
 132
 133
 134 void InsetText::clear()
 135 {
 136         // delete all instances of LyXText before deleting the paragraps used
 137         // by it.
 138         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 139                 delete (*cit).second;
 140                 (*cit).second = 0;
 141         }
 142
 143         while (par) {
 144                 LyXParagraph * tmp = par->next();
 145                 delete par;
 146                 par = tmp;
 147         }
 148         par = new LyXParagraph;
 149 }
 150
 151
 152 Inset * InsetText::Clone(Buffer const &) const
 153 {
 154         InsetText * t = new InsetText(*this);
 155         return t;
 156 }
 157
 158
 159 void InsetText::Write(Buffer const * buf, ostream & os) const
 160 {
 161         os << "Text\n";
 162         WriteParagraphData(buf, os);
 163 }
 164
 165
 166 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 167 {
 168         par->writeFile(buf, os, buf->params, 0, 0);
 169 }
 170
 171
 172 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 173 {
 174         string token;
 175         int pos = 0;
 176         LyXParagraph * return_par = 0;
 177         char depth = 0; // signed or unsigned?
 178         LyXFont font(LyXFont::ALL_INHERIT);
 179
 180         clear();
 181
 182         while (lex.IsOK()) {
 183                 lex.nextToken();
 184                 token = lex.GetString();
 185                 if (token.empty())
 186                         continue;
 187                 if (token == "\\end_inset")
 188                         break;
 189                 if (const_cast<Buffer*>(buf)->
 190                         parseSingleLyXformat2Token(lex, par, return_par,
 191                                                    token, pos, depth, font)) {
 192                         // the_end read this should NEVER happen
 193                         lex.printError("\\the_end read in inset! Error in document!");
 194                         return;
 195                 }
 196         }
 197         if (!return_par)
 198                 return_par = par;
 199         par = return_par;
 200         while(return_par) {
 201                 return_par->SetInsetOwner(this);
 202                 return_par = return_par->next();
 203         }
 204
 205         if (token != "\\end_inset") {
 206                 lex.printError("Missing \\end_inset at this point. "
 207                                            "Read: `$$Token'");
 208         }
 209         need_update = INIT;
 210 }
 211
 212
 213 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 214 {
 215         int y_temp = 0;
 216         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 217         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 218         return insetAscent;
 219 }
 220
 221
 222 int InsetText::descent(BufferView * bv, LyXFont const &) const
 223 {
 224         int y_temp = 0;
 225         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 226         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 227         TEXT_TO_INSET_OFFSET;
 228         return insetDescent;
 229 }
 230
 231
 232 int InsetText::width(BufferView * bv, LyXFont const &) const
 233 {
 234         insetWidth = max(textWidth(bv),
 235                          (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 236         return insetWidth;
 237 }
 238
 239
 240 int InsetText::textWidth(BufferView * bv) const
 241 {
 242         int const w = getMaxWidth(bv, this);
 243         return w;
 244 }
 245
 246
 247 void InsetText::draw(BufferView * bv, LyXFont const & f,
 248                      int baseline, float & x, bool cleared) const
 249 {
 250         if (nodraw())
 251                 return;
 252
 253         Painter & pain = bv->painter();
 254
 255         // no draw is necessary !!!
 256         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 257                 top_x = int(x);
 258                 top_baseline = baseline;
 259                 x += width(bv, f);
 260                 if (!cleared && (need_update & CLEAR_FRAME))
 261                         clearFrame(pain, cleared);
 262                 need_update = NONE;
 263                 return;
 264         }
 265
 266         xpos = x;
 267 #if 0
 268         UpdatableInset::draw(bv, f, baseline, x, cleared);
 269 #else
 270         if (!owner())
 271                 x += static_cast<float>(scroll());
 272 #endif
 273         // update insetWidth and insetHeight with dummy calls
 274         (void)ascent(bv, f);
 275         (void)descent(bv, f);
 276         (void)width(bv, f);
 277
 278         // if top_x differs we have a rule down and we don't have to clear anything
 279         if (!cleared && (top_x == int(x)) &&
 280                 ((need_update&(INIT|FULL)) || (top_baseline!=baseline) ||
 281                  (last_drawn_width!=insetWidth)))
 282         {
 283                 int w =  insetWidth;
 284                 int h = insetAscent + insetDescent;
 285                 int ty = baseline - insetAscent;
 286
 287                 if (ty < 0) {
 288                         h += ty;
 289                         ty = 0;
 290                 }
 291                 if ((ty + h) > pain.paperHeight())
 292                         h = pain.paperHeight();
 293                 if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 294                         w = pain.paperWidth();
 295                 pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 296                 cleared = true;
 297                 need_update = FULL;
 298         }
 299         if (!cleared && (need_update == NONE))
 300                 return;
 301
 302         if (top_x != int(x)) {
 303                 need_update |= INIT;
 304                 top_x = int(x);
 305                 bv->text->status = LyXText::CHANGED_IN_DRAW;
 306                 return;
 307         }
 308
 309 //      lyxerr << "InsetText::draw[" << this << "](" << need_update << ":" << int(x) << ":" << top_x << ")\n";
 310
 311         if (cleared || (last_drawn_width != insetWidth)) {
 312                 need_update |= FULL;
 313                 last_drawn_width = insetWidth;
 314         }
 315
 316         top_baseline = baseline;
 317         top_y = baseline - ascent(bv, f);
 318         last_width = width(bv, f);
 319         last_height = ascent(bv, f) + descent(bv, f);
 320
 321         if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 322                 inset_x = cx(bv) - top_x + drawTextXOffset;
 323                 inset_y = cy(bv) + drawTextYOffset;
 324         }
 325         if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 326                 drawFrame(pain, cleared);
 327                 x += width(bv, f);
 328                 need_update = NONE;
 329                 return;
 330         }
 331         x += TEXT_TO_INSET_OFFSET;
 332
 333 #ifdef WITH_WARNINGS
 334 #warning Jürgen, why is this a block of its own? (Lgb)
 335 #warning because you told me to define variables only in local context (Jug)!
 336 #warning then make it a function/method of its own. (Lgb)
 337 #endif
 338         {
 339         int y = 0;
 340         Row * row = TEXT(bv)->GetRowNearY(y);
 341         int y_offset = baseline - row->ascent_of_text();
 342         int ph = pain.paperHeight();
 343         int first = 0;
 344         y = y_offset;
 345         while ((row != 0) && ((y+row->height()) <= 0)) {
 346                 y += row->height();
 347                 first += row->height();
 348                 row = row->next();
 349         }
 350         if (y_offset < 0)
 351                 y_offset = y;
 352         TEXT(bv)->first = first;
 353         if (cleared) {
 354                 int yf = y_offset;
 355                 y = 0;
 356                 while ((row != 0) && (yf < ph)) {
 357                         TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 358                                                 y+first, cleared);
 359                 y += row->height();
 360                 yf += row->height();
 361                 row = row->next();
 362                 }
 363         } else if (!locked) {
 364                 if (need_update & CURSOR) {
 365                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 366                         TEXT(bv)->ClearSelection(bv);
 367                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 368                 }
 369                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 370         } else {
 371                 locked = false;
 372                 if (need_update & SELECTION)
 373                         bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 374                 else if (need_update & CURSOR) {
 375                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 376                         TEXT(bv)->ClearSelection(bv);
 377                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 378                 }
 379                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 380                 locked = true;
 381         }
 382         }
 383         TEXT(bv)->refresh_y = 0;
 384         TEXT(bv)->status = LyXText::UNCHANGED;
 385         if ((need_update != CURSOR_PAR) &&
 386                 ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked)))
 387                 drawFrame(pain, cleared);
 388         else if (need_update & CLEAR_FRAME)
 389                 clearFrame(pain, cleared);
 390         x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 391         if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 392                 need_update |= INIT;
 393         } else if (need_update != INIT)
 394                 need_update = NONE;
 395 }
 396
 397
 398 void InsetText::drawFrame(Painter & pain, bool cleared) const
 399 {
 400         if (!frame_is_visible || cleared) {
 401                 pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 402                                insetWidth - 1, insetAscent + insetDescent - 1,
 403                                frame_color);
 404                 frame_is_visible = true;
 405         }
 406 }
 407
 408
 409 void InsetText::clearFrame(Painter & pain, bool cleared) const
 410 {
 411         if (frame_is_visible) {
 412                 if (!cleared) {
 413                         pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 414                                        insetWidth - 1, insetAscent + insetDescent - 1,
 415                                        LColor::background);
 416                 }
 417                 frame_is_visible = false;
 418         }
 419 }
 420
 421
 422 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 423 {
 424         if (reinit) {
 425                 need_update |= INIT;
 426                 resizeLyXText(bv);
 427                 if (owner())
 428                         owner()->update(bv, font, true);
 429                 return;
 430         }
 431         if (the_locking_inset) {
 432                 inset_x = cx(bv) - top_x + drawTextXOffset;
 433                 inset_y = cy(bv) + drawTextYOffset;
 434                 the_locking_inset->update(bv, font, reinit);
 435         }
 436 #if 0
 437         if (need_update == INIT) {
 438                 resizeLyXText(bv);
 439                 need_update |= FULL;
 440         }
 441 #endif
 442         int oldw = insetWidth;
 443         insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 444         if (oldw != insetWidth) {
 445                 resizeLyXText(bv);
 446                 need_update |= FULL;
 447 //              update(bv, font, reinit);
 448                 return;
 449         }
 450         if ((need_update&CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 451                 the_locking_inset)
 452         {
 453                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 454         }
 455
 456         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 457                 need_update |= FULL;
 458 #if 0
 459         int y_temp = 0;
 460         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 461         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 462         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 463                 TEXT_TO_INSET_OFFSET;
 464 #endif
 465 }
 466
 467
 468 void InsetText::SetUpdateStatus(BufferView * bv, int what) const
 469 {
 470         need_update |= what;
 471         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 472                 need_update |= FULL;
 473         else if (TEXT(bv)->status == LyXText::NEED_VERY_LITTLE_REFRESH)
 474                 need_update |= CURSOR_PAR;
 475
 476         // this to not draw a selection when we redraw all of it!
 477         if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 478                 TEXT(bv)->ClearSelection(bv);
 479 }
 480
 481
 482 void InsetText::UpdateLocal(BufferView * bv, int what, bool mark_dirty)
 483 {
 484         TEXT(bv)->FullRebreak(bv);
 485         SetUpdateStatus(bv, what);
 486         if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 487                 TEXT(bv)->selection)
 488                 bv->updateInset(this, mark_dirty);
 489         bv->owner()->showState();
 490         if (old_par != cpar(bv)) {
 491                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 492                 old_par = cpar(bv);
 493         }
 494 }
 495
 496
 497 string const InsetText::EditMessage() const
 498 {
 499         return _("Opened Text Inset");
 500 }
 501
 502
 503 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 504 {
 505 //    par->SetInsetOwner(this);
 506         UpdatableInset::Edit(bv, x, y, button);
 507
 508         if (!bv->lockInset(this)) {
 509                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 510                 return;
 511         }
 512         locked = true;
 513         the_locking_inset = 0;
 514         inset_pos = inset_x = inset_y = 0;
 515         inset_boundary = false;
 516         inset_par = 0;
 517         old_par = 0;
 518         int tmp_y = (y < 0)?0:y;
 519         if (!checkAndActivateInset(bv, x, tmp_y, button))
 520                 TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 521                                                    y + insetAscent);
 522         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 523         bv->text->FinishUndo();
 524         ShowInsetCursor(bv);
 525         UpdateLocal(bv, CURSOR, false);
 526
 527         // If the inset is empty set the language of the current font to the
 528         // language to the surronding text.
 529         if (par->size() == 0 && !par->next()) {
 530                 LyXFont font(LyXFont::ALL_IGNORE);
 531                 font.setLanguage(bv->getParentLanguage(this));
 532                 SetFont(bv, font, false);
 533         }
 534 }
 535
 536
 537 void InsetText::InsetUnlock(BufferView * bv)
 538 {
 539         if (the_locking_inset) {
 540                 the_locking_inset->InsetUnlock(bv);
 541                 the_locking_inset = 0;
 542         }
 543         HideInsetCursor(bv);
 544         no_selection = false;
 545         locked = false;
 546         UpdateLocal(bv, CLEAR_FRAME|CURSOR, false);
 547         if (owner())
 548                 bv->owner()->setLayout(owner()->getLyXText(bv)
 549                                        ->cursor.par()->GetLayout());
 550         else
 551                 bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 552 }
 553
 554
 555 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 556 {
 557         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 558                               << inset << "): ";
 559         if (!inset)
 560                 return false;
 561         if (inset == cpar(bv)->GetInset(cpos(bv))) {
 562                 lyxerr[Debug::INSETS] << "OK" << endl;
 563                 the_locking_inset = inset;
 564                 inset_x = cx(bv) - top_x + drawTextXOffset;
 565                 inset_y = cy(bv) + drawTextYOffset;
 566                 inset_pos = cpos(bv);
 567                 inset_par = cpar(bv);
 568                 inset_boundary = cboundary(bv);
 569 #if 0
 570                 TEXT(bv)->ClearSelection(bv);
 571                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 572                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 573 #else
 574                 UpdateLocal(bv, CURSOR, false);
 575 #endif
 576                 return true;
 577         } else if (the_locking_inset && (the_locking_inset == inset)) {
 578                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 579                         lyxerr[Debug::INSETS] << "OK" << endl;
 580                         inset_x = cx(bv) - top_x + drawTextXOffset;
 581                         inset_y = cy(bv) + drawTextYOffset;
 582                 } else {
 583                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 584                 }
 585         } else if (the_locking_inset) {
 586                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 587                 return the_locking_inset->LockInsetInInset(bv, inset);
 588         }
 589         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 590         return false;
 591 }
 592
 593
 594 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 595                                    bool lr)
 596 {
 597         if (!the_locking_inset)
 598                 return false;
 599         if (the_locking_inset == inset) {
 600                 the_locking_inset->InsetUnlock(bv);
 601                 TEXT(bv)->UpdateInset(bv, inset);
 602                 the_locking_inset = 0;
 603                 if (lr)
 604                         moveRight(bv, false);
 605                 old_par = 0; // force layout setting
 606                 if (scroll())
 607                         scroll(bv, 0.0F);
 608                 else
 609                         UpdateLocal(bv, CURSOR, false);
 610                 return true;
 611         }
 612         return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 613 }
 614
 615
 616 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 617 {
 618         if (!the_locking_inset)
 619                 return false;
 620         if (the_locking_inset != inset) {
 621                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 622                 SetUpdateStatus(bv, CURSOR_PAR);
 623                 return the_locking_inset->UpdateInsetInInset(bv, inset);
 624         }
 625 //    UpdateLocal(bv, FULL, false);
 626         if (TEXT(bv)->UpdateInset(bv, inset))
 627                 UpdateLocal(bv, CURSOR_PAR, false);
 628         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 629                 inset_x = cx(bv) - top_x + drawTextXOffset;
 630                 inset_y = cy(bv) + drawTextYOffset;
 631         }
 632         return true;
 633 }
 634
 635
 636 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 637 {
 638         no_selection = true;
 639
 640         int tmp_x = x - drawTextXOffset;
 641         int tmp_y = y + insetAscent - TEXT(bv)->first;
 642         Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 643
 644         HideInsetCursor(bv);
 645         if (the_locking_inset) {
 646                 if (the_locking_inset == inset) {
 647                         the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 648                         no_selection = false;
 649                         return;
 650                 } else if (inset) {
 651                         // otherwise unlock the_locking_inset and lock the new inset
 652                         the_locking_inset->InsetUnlock(bv);
 653                         inset_x = cx(bv) - top_x + drawTextXOffset;
 654                         inset_y = cy(bv) + drawTextYOffset;
 655                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 656                         inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 657                         inset->Edit(bv, x - inset_x, y - inset_y, button);
 658                         if (the_locking_inset)
 659                                 UpdateLocal(bv, CURSOR, false);
 660                         no_selection = false;
 661                         return;
 662                 }
 663                 // otherwise only unlock the_locking_inset
 664                 the_locking_inset->InsetUnlock(bv);
 665                 the_locking_inset = 0;
 666         }
 667         if (bv->theLockingInset()) {
 668                 if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 669                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 670                         inset_x = cx(bv) - top_x + drawTextXOffset;
 671                         inset_y = cy(bv) + drawTextYOffset;
 672                         inset_pos = cpos(bv);
 673                         inset_par = cpar(bv);
 674                         inset_boundary = cboundary(bv);
 675                         the_locking_inset = uinset;
 676                         uinset->InsetButtonPress(bv, x - inset_x, y - inset_y,
 677                                                  button);
 678                         uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 679                         if (the_locking_inset)
 680                                 UpdateLocal(bv, CURSOR, false);
 681                         no_selection = false;
 682                         return;
 683                 }
 684         }
 685         if (!inset) { // && (button == 2)) {
 686                 bool paste_internally = false;
 687                 if ((button == 2) && TEXT(bv)->selection) {
 688                         LocalDispatch(bv, LFUN_COPY, "");
 689                         paste_internally = true;
 690                 }
 691                 TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 692                                                    y + insetAscent);
 693                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 694                 UpdateLocal(bv, CURSOR, false);
 695                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 696                 old_par = cpar(bv);
 697                 // Insert primary selection with middle mouse
 698                 // if there is a local selection in the current buffer,
 699                 // insert this
 700                 if (button == 2) {
 701                         if (paste_internally)
 702                                 LocalDispatch(bv, LFUN_PASTE, "");
 703                         else
 704                                 LocalDispatch(bv, LFUN_PASTESELECTION,
 705                                               "paragraph");
 706                 }
 707         }
 708         ShowInsetCursor(bv);
 709         no_selection = false;
 710 }
 711
 712
 713 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 714 {
 715         UpdatableInset * inset = 0;
 716
 717         if (the_locking_inset) {
 718                 the_locking_inset->InsetButtonRelease(bv,
 719                                                       x - inset_x, y - inset_y,
 720                                                       button);
 721         } else {
 722                 if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 723                         inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 724                         if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 725                                 inset->InsetButtonRelease(bv,
 726                                                           x - inset_x,
 727                                                           y - inset_y, button);
 728                         } else {
 729                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 730                                 inset_y = cy(bv) + drawTextYOffset;
 731                                 inset->InsetButtonRelease(bv,
 732                                                           x - inset_x,
 733                                                           y - inset_y, button);
 734                                 inset->Edit(bv,
 735                                             x - inset_x, y - inset_y, button);
 736                         }
 737                         UpdateLocal(bv, CURSOR_PAR, false);
 738                 }
 739         }
 740         no_selection = false;
 741 }
 742
 743
 744 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 745 {
 746         if (no_selection)
 747                 return;
 748         if (the_locking_inset) {
 749                 the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 750                                                      y - inset_y,state);
 751                 return;
 752         }
 753         HideInsetCursor(bv);
 754         TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 755                                            y + insetAscent);
 756         TEXT(bv)->SetSelection(bv);
 757         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 758                 TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 759                 UpdateLocal(bv, SELECTION, false);
 760         ShowInsetCursor(bv);
 761 }
 762
 763
 764 void InsetText::InsetKeyPress(XKeyEvent * xke)
 765 {
 766         if (the_locking_inset) {
 767                 the_locking_inset->InsetKeyPress(xke);
 768                 return;
 769         }
 770 }
 771
 772
 773 UpdatableInset::RESULT
 774 InsetText::LocalDispatch(BufferView * bv,
 775                          kb_action action, string const & arg)
 776 {
 777         no_selection = false;
 778         UpdatableInset::RESULT
 779                 result= UpdatableInset::LocalDispatch(bv, action, arg);
 780         if (result != UNDISPATCHED) {
 781                 return DISPATCHED;
 782         }
 783
 784         result = DISPATCHED;
 785         if ((action < 0) && arg.empty())
 786                 return FINISHED;
 787
 788         if (the_locking_inset) {
 789                 result = the_locking_inset->LocalDispatch(bv, action, arg);
 790                 if (result == DISPATCHED_NOUPDATE)
 791                         return result;
 792                 else if (result == DISPATCHED) {
 793                         UpdateLocal(bv, CURSOR_PAR, false);
 794                         return result;
 795                 } else if (result == FINISHED) {
 796                         bool dispatched = false;
 797                         switch (action) {
 798                         case LFUN_UNKNOWN_ACTION:
 799                         case LFUN_BREAKPARAGRAPH:
 800                         case LFUN_BREAKLINE:
 801                                 moveRightIntern(bv, false, false);
 802                                 break;
 803                         case LFUN_RIGHT:
 804                                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 805                                         moveRightIntern(bv, false, false);
 806                                 dispatched = true;
 807                                 break;
 808                         case LFUN_LEFT:
 809                                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 810                                         moveRightIntern(bv, false, false);
 811                                 dispatched = true;
 812                                 break;
 813                         default:
 814                                 break;
 815                         }
 816                         the_locking_inset = 0;
 817                         if (dispatched)
 818                                 return DISPATCHED;
 819                 }
 820         }
 821         HideInsetCursor(bv);
 822         switch (action) {
 823         // Normal chars
 824         case LFUN_UNKNOWN_ACTION:
 825                 if (bv->buffer()->isReadonly()) {
 826 //          setErrorMessage(N_("Document is read only"));
 827                         break;
 828                 }
 829                 if (!arg.empty()) {
 830                         /* Automatically delete the currently selected
 831                          * text and replace it with what is being
 832                          * typed in now. Depends on lyxrc settings
 833                          * "auto_region_delete", which defaults to
 834                          * true (on). */
 835
 836                         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 837                                           bv->text->cursor.par()->previous(),
 838                                           bv->text->cursor.par()->next());
 839                         bv->setState();
 840                         if (lyxrc.auto_region_delete) {
 841                                 if (TEXT(bv)->selection){
 842                                         TEXT(bv)->CutSelection(bv, false);
 843                                 }
 844                         }
 845                         TEXT(bv)->ClearSelection(bv);
 846                         for (string::size_type i = 0; i < arg.length(); ++i) {
 847                                 if (greek_kb_flag) {
 848                                         if (!math_insert_greek(bv, arg[i])) {
 849                                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 850                                         } else if (!the_locking_inset) {
 851                                                 (void)moveRight(bv, false);
 852                                         }
 853                                 } else {
 854                                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 855                                 }
 856                         }
 857                 }
 858                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 859                 UpdateLocal(bv, CURSOR_PAR, true);
 860                 result=DISPATCHED_NOUPDATE;
 861                 break;
 862                 // --- Cursor Movements -----------------------------------
 863         case LFUN_RIGHTSEL:
 864                 bv->text->FinishUndo();
 865                 moveRight(bv, false, true);
 866                 TEXT(bv)->SetSelection(bv);
 867                 UpdateLocal(bv, SELECTION, false);
 868                 break;
 869         case LFUN_RIGHT:
 870                 result = moveRight(bv);
 871                 bv->text->FinishUndo();
 872                 UpdateLocal(bv, CURSOR, false);
 873                 break;
 874         case LFUN_LEFTSEL:
 875                 bv->text->FinishUndo();
 876                 moveLeft(bv, false, true);
 877                 TEXT(bv)->SetSelection(bv);
 878                 UpdateLocal(bv, SELECTION, false);
 879                 break;
 880         case LFUN_LEFT:
 881                 bv->text->FinishUndo();
 882                 result = moveLeft(bv);
 883                 UpdateLocal(bv, CURSOR, false);
 884                 break;
 885         case LFUN_DOWNSEL:
 886                 bv->text->FinishUndo();
 887                 moveDown(bv);
 888                 TEXT(bv)->SetSelection(bv);
 889                 UpdateLocal(bv, SELECTION, false);
 890                 break;
 891         case LFUN_DOWN:
 892                 bv->text->FinishUndo();
 893                 result = moveDown(bv);
 894                 UpdateLocal(bv, CURSOR, false);
 895                 break;
 896         case LFUN_UPSEL:
 897                 bv->text->FinishUndo();
 898                 moveUp(bv);
 899                 TEXT(bv)->SetSelection(bv);
 900                 UpdateLocal(bv, SELECTION, false);
 901                 break;
 902         case LFUN_UP:
 903                 bv->text->FinishUndo();
 904                 result = moveUp(bv);
 905                 UpdateLocal(bv, CURSOR, false);
 906                 break;
 907         case LFUN_HOME:
 908                 bv->text->FinishUndo();
 909                 TEXT(bv)->CursorHome(bv);
 910                 UpdateLocal(bv, CURSOR, false);
 911                 break;
 912         case LFUN_END:
 913                 TEXT(bv)->CursorEnd(bv);
 914                 UpdateLocal(bv, CURSOR, false);
 915                 break;
 916         case LFUN_BACKSPACE:
 917                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 918                                   bv->text->cursor.par()->previous(),
 919                                   bv->text->cursor.par()->next());
 920                 if (TEXT(bv)->selection)
 921                         TEXT(bv)->CutSelection(bv);
 922                 else
 923                         TEXT(bv)->Backspace(bv);
 924                 UpdateLocal(bv, CURSOR_PAR, true);
 925                 break;
 926         case LFUN_DELETE:
 927                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 928                                   bv->text->cursor.par()->previous(),
 929                                   bv->text->cursor.par()->next());
 930                 if (TEXT(bv)->selection)
 931                         TEXT(bv)->CutSelection(bv);
 932                 else
 933                         TEXT(bv)->Delete(bv);
 934                 UpdateLocal(bv, CURSOR_PAR, true);
 935                 break;
 936         case LFUN_CUT:
 937                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 938                                   bv->text->cursor.par()->previous(),
 939                                   bv->text->cursor.par()->next());
 940                 TEXT(bv)->CutSelection(bv);
 941                 UpdateLocal(bv, CURSOR_PAR, true);
 942                 break;
 943         case LFUN_COPY:
 944                 bv->text->FinishUndo();
 945                 TEXT(bv)->CopySelection(bv);
 946                 UpdateLocal(bv, CURSOR_PAR, false);
 947                 break;
 948         case LFUN_PASTESELECTION:
 949         {
 950                 string clip(bv->getClipboard());
 951
 952                 if (clip.empty())
 953                         break;
 954                 if (arg == "paragraph") {
 955                         TEXT(bv)->InsertStringB(bv, clip);
 956                 } else {
 957                         TEXT(bv)->InsertStringA(bv, clip);
 958                 }
 959                 UpdateLocal(bv, CURSOR_PAR, true);
 960                 break;
 961         }
 962         case LFUN_PASTE:
 963                 if (!autoBreakRows) {
 964                         CutAndPaste cap;
 965
 966                         if (cap.nrOfParagraphs() > 1) {
 967                                 WriteAlert(_("Impossible operation"),
 968                                                    _("Cannot include more than one paragraph!"),
 969                                                    _("Sorry."));
 970                                 break;
 971                         }
 972                 }
 973                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 974                                   bv->text->cursor.par()->previous(),
 975                                   bv->text->cursor.par()->next());
 976                 TEXT(bv)->PasteSelection(bv);
 977                 UpdateLocal(bv, CURSOR_PAR, true);
 978                 break;
 979         case LFUN_BREAKPARAGRAPH:
 980                 if (!autoBreakRows)
 981                         return DISPATCHED;
 982                 TEXT(bv)->BreakParagraph(bv, 0);
 983                 UpdateLocal(bv, FULL, true);
 984                 break;
 985         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 986                 if (!autoBreakRows)
 987                         return DISPATCHED;
 988                 TEXT(bv)->BreakParagraph(bv, 1);
 989                 UpdateLocal(bv, FULL, true);
 990                 break;
 991         case LFUN_BREAKLINE:
 992                 if (!autoBreakRows)
 993                         return DISPATCHED;
 994                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 995                                   bv->text->cursor.par()->previous(),
 996                                   bv->text->cursor.par()->next());
 997                 TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 998                 UpdateLocal(bv, CURSOR_PAR, true);
 999                 break;
1000         case LFUN_LAYOUT:
1001                 // do not set layouts on non breakable textinsets
1002                 if (autoBreakRows) {
1003                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1004
1005                         // Derive layout number from given argument (string)
1006                         // and current buffer's textclass (number). */
1007                         LyXTextClassList::ClassList::size_type tclass =
1008                                 bv->buffer()->params.textclass;
1009                         std::pair <bool, LyXTextClass::size_type> layout =
1010                                 textclasslist.NumberOfLayout(tclass, arg);
1011
1012                         // If the entry is obsolete, use the new one instead.
1013                         if (layout.first) {
1014                                 string obs = textclasslist.Style(tclass,layout.second).
1015                                         obsoleted_by();
1016                                 if (!obs.empty())
1017                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1018                         }
1019
1020                         // see if we found the layout number:
1021                         if (!layout.first) {
1022                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1023                                 bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, msg);
1024                                 break;
1025                         }
1026
1027                         if (cur_layout != layout.second) {
1028                                 cur_layout = layout.second;
1029                                 TEXT(bv)->SetLayout(bv, layout.second);
1030                                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1031                                 UpdateLocal(bv, CURSOR_PAR, true);
1032                         }
1033                 } else {
1034                         // reset the layout box
1035                         bv->owner()->setLayout(cpar(bv)->GetLayout());
1036                 }
1037                 break;
1038         case LFUN_PARAGRAPH_SPACING:
1039                 // This one is absolutely not working. When fiddling with this
1040                 // it also seems to me that the paragraphs inside the insettext
1041                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1042         {
1043                 LyXParagraph * par = TEXT(bv)->cursor.par();
1044                 Spacing::Space cur_spacing = par->params.spacing().getSpace();
1045                 float cur_value = 1.0;
1046                 if (cur_spacing == Spacing::Other) {
1047                         cur_value = par->params.spacing().getValue();
1048                 }
1049
1050                 std::istringstream istr(arg.c_str());
1051                 string tmp;
1052                 istr >> tmp;
1053                 Spacing::Space new_spacing = cur_spacing;
1054                 float new_value = cur_value;
1055                 if (tmp.empty()) {
1056                         lyxerr << "Missing argument to `paragraph-spacing'"
1057                                    << endl;
1058                 } else if (tmp == "single") {
1059                         new_spacing = Spacing::Single;
1060                 } else if (tmp == "onehalf") {
1061                         new_spacing = Spacing::Onehalf;
1062                 } else if (tmp == "double") {
1063                         new_spacing = Spacing::Double;
1064                 } else if (tmp == "other") {
1065                         new_spacing = Spacing::Other;
1066                         float tmpval = 0.0;
1067                         istr >> tmpval;
1068                         lyxerr << "new_value = " << tmpval << endl;
1069                         if (tmpval != 0.0)
1070                                 new_value = tmpval;
1071                 } else if (tmp == "default") {
1072                         new_spacing = Spacing::Default;
1073                 } else {
1074                         lyxerr << _("Unknown spacing argument: ")
1075                                    << arg << endl;
1076                 }
1077                 if (cur_spacing != new_spacing || cur_value != new_value) {
1078                         par->params.spacing(Spacing(new_spacing, new_value));
1079                         //TEXT(bv)->RedoParagraph(owner->view());
1080                         UpdateLocal(bv, CURSOR_PAR, true);
1081                         //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1082                 }
1083         }
1084         break;
1085
1086         default:
1087                 if (!bv->Dispatch(action, arg))
1088                         result = UNDISPATCHED;
1089                 break;
1090         }
1091
1092         /// If the action has deleted all text in the inset, we need to change the
1093         // language to the language to the surronding text.
1094         if (par->size() == 0 && !par->next()) {
1095                 LyXFont font(LyXFont::ALL_IGNORE);
1096                 font.setLanguage(bv->getParentLanguage(this));
1097                 SetFont(bv, font, false);
1098         }
1099
1100         if (result != FINISHED) {
1101                 ShowInsetCursor(bv);
1102         } else
1103                 bv->unlockInset(this);
1104         return result;
1105 }
1106
1107
1108 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1109 {
1110         TexRow texrow;
1111         buf->latexParagraphs(os, par, 0, texrow);
1112         return texrow.rows();
1113 }
1114
1115
1116 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1117 {
1118         LyXParagraph * p = par;
1119         unsigned int lines = 0;
1120
1121         string tmp;
1122         while (p) {
1123                 tmp = buf->asciiParagraph(p, linelen);
1124                 lines += countChar(tmp, '\n');
1125                 os << tmp;
1126                 p = p->next();
1127         }
1128         return lines;
1129 }
1130
1131
1132 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1133 {
1134         LyXParagraph * p = par;
1135         unsigned int lines = 0;
1136         int desc=0;
1137
1138         string tmp;
1139         while (p) {
1140                 buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1141                 p = p->next();
1142         }
1143
1144         return lines;
1145 }
1146
1147
1148 void InsetText::Validate(LaTeXFeatures & features) const
1149 {
1150         LyXParagraph * p = par;
1151         while(p) {
1152                 p->validate(features);
1153                 p = p->next();
1154         }
1155 }
1156
1157
1158 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1159 {
1160         if (textclasslist.Style(buf->params.textclass,
1161                                 p->GetLayout()).labeltype != LABEL_MANUAL)
1162                 return 0;
1163         else
1164                 return p->BeginningOfMainBody();
1165 }
1166
1167
1168 void InsetText::GetCursorPos(BufferView * bv,
1169                              int & x, int & y) const
1170 {
1171         x = cx(bv);
1172         y = cy(bv);
1173 }
1174
1175
1176 unsigned int InsetText::InsetInInsetY()
1177 {
1178         if (!the_locking_inset)
1179                 return 0;
1180
1181         return (inset_y + the_locking_inset->InsetInInsetY());
1182 }
1183
1184
1185 void InsetText::ToggleInsetCursor(BufferView * bv)
1186 {
1187         if (the_locking_inset) {
1188                 the_locking_inset->ToggleInsetCursor(bv);
1189                 return;
1190         }
1191
1192         LyXFont const font(TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv)));
1193
1194         int const asc = lyxfont::maxAscent(font);
1195         int const desc = lyxfont::maxDescent(font);
1196
1197         if (isCursorVisible())
1198                 bv->hideLockedInsetCursor();
1199         else
1200                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1201         toggleCursorVisible();
1202 }
1203
1204
1205 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1206 {
1207         if (the_locking_inset) {
1208                 the_locking_inset->ShowInsetCursor(bv);
1209                 return;
1210         }
1211         if (!isCursorVisible()) {
1212                 LyXFont const font =
1213                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1214
1215                 int const asc = lyxfont::maxAscent(font);
1216                 int const desc = lyxfont::maxDescent(font);
1217
1218                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1219                 if (show)
1220                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1221                 setCursorVisible(true);
1222         }
1223 }
1224
1225
1226 void InsetText::HideInsetCursor(BufferView * bv)
1227 {
1228         if (isCursorVisible()) {
1229                 bv->hideLockedInsetCursor();
1230                 setCursorVisible(false);
1231         }
1232         if (the_locking_inset)
1233                 the_locking_inset->HideInsetCursor(bv);
1234 }
1235
1236
1237 UpdatableInset::RESULT
1238 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1239 {
1240         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1241                 return moveLeftIntern(bv, false, activate_inset, selecting);
1242         else
1243                 return moveRightIntern(bv, false, activate_inset, selecting);
1244 }
1245
1246 UpdatableInset::RESULT
1247 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1248 {
1249         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1250                 return moveRightIntern(bv, true, activate_inset, selecting);
1251         else
1252                 return moveLeftIntern(bv, true, activate_inset, selecting);
1253 }
1254
1255
1256 UpdatableInset::RESULT
1257 InsetText::moveRightIntern(BufferView * bv, bool behind,
1258                            bool activate_inset, bool selecting)
1259 {
1260         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1261                 return FINISHED;
1262         if (activate_inset && checkAndActivateInset(bv, behind))
1263                 return DISPATCHED;
1264         TEXT(bv)->CursorRight(bv);
1265         if (!selecting)
1266                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1267         return DISPATCHED_NOUPDATE;
1268 }
1269
1270
1271 UpdatableInset::RESULT
1272 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1273                           bool activate_inset, bool selecting)
1274 {
1275         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1276                 return FINISHED;
1277         TEXT(bv)->CursorLeft(bv);
1278         if (!selecting)
1279                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1280         if (activate_inset && checkAndActivateInset(bv, behind))
1281                 return DISPATCHED;
1282         return DISPATCHED_NOUPDATE;
1283 }
1284
1285
1286 UpdatableInset::RESULT
1287 InsetText::moveUp(BufferView * bv)
1288 {
1289         if (!crow(bv)->previous())
1290                 return FINISHED;
1291         TEXT(bv)->CursorUp(bv);
1292         return DISPATCHED_NOUPDATE;
1293 }
1294
1295
1296 UpdatableInset::RESULT
1297 InsetText::moveDown(BufferView * bv)
1298 {
1299         if (!crow(bv)->next())
1300                 return FINISHED;
1301         TEXT(bv)->CursorDown(bv);
1302         return DISPATCHED_NOUPDATE;
1303 }
1304
1305
1306 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1307 {
1308         if (the_locking_inset) {
1309                 if (the_locking_inset->InsertInsetAllowed(inset))
1310                         return the_locking_inset->InsertInset(bv, inset);
1311                 return false;
1312         }
1313         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1314                           bv->text->cursor.par()->previous(),
1315                           bv->text->cursor.par()->next());
1316         inset->setOwner(this);
1317         HideInsetCursor(bv);
1318         TEXT(bv)->InsertInset(bv, inset);
1319 #if 0
1320         if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1321                 (cpar(bv)->GetInset(cpos(bv)) != inset))
1322                 TEXT(bv)->CursorLeft(bv);
1323 #endif
1324         bv->fitCursor(TEXT(bv));
1325         UpdateLocal(bv, CURSOR_PAR|CURSOR, true);
1326         ShowInsetCursor(bv);
1327         return true;
1328 }
1329
1330
1331 UpdatableInset * InsetText::GetLockingInset()
1332 {
1333         return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1334 }
1335
1336
1337 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1338 {
1339         if (c == LyxCode())
1340                 return this;
1341         if (the_locking_inset)
1342                 return the_locking_inset->GetFirstLockingInsetOfType(c);
1343         return 0;
1344 }
1345
1346
1347 bool InsetText::ShowInsetDialog(BufferView * bv) const
1348 {
1349         if (the_locking_inset)
1350                 return the_locking_inset->ShowInsetDialog(bv);
1351         return false;
1352 }
1353
1354
1355 std::vector<string> const InsetText::getLabelList() const
1356 {
1357         std::vector<string> label_list;
1358
1359         LyXParagraph * tpar = par;
1360         while (tpar) {
1361                 LyXParagraph::inset_iterator beg = tpar->inset_iterator_begin();
1362                 LyXParagraph::inset_iterator end = tpar->inset_iterator_end();
1363                 for (; beg != end; ++beg) {
1364                         std::vector<string> const l = (*beg)->getLabelList();
1365                         label_list.insert(label_list.end(), l.begin(), l.end());
1366                 }
1367                 tpar = tpar->next();
1368         }
1369         return label_list;
1370 }
1371
1372
1373 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1374 {
1375         if (TEXT(bv)->selection) {
1376                 bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1377                                   bv->text->cursor.par()->previous(),
1378                                   bv->text->cursor.par()->next());
1379         }
1380         TEXT(bv)->SetFont(bv, font, toggleall);
1381         bv->fitCursor(TEXT(bv));
1382         UpdateLocal(bv, CURSOR_PAR, true);
1383 }
1384
1385
1386 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1387 {
1388         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1389                 unsigned int x;
1390                 unsigned int y;
1391                 Inset * inset =
1392                         static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1393                 if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1394                         return false;
1395                 LyXFont const font =
1396                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1397                 if (behind) {
1398                         x = inset->width(bv, font);
1399                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1400                 } else {
1401                         x = 0;
1402                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1403                 }
1404                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1405                 //inset_y = cy(bv) + drawTextYOffset;
1406                 inset->Edit(bv, x, y, 0);
1407                 if (!the_locking_inset)
1408                         return false;
1409                 UpdateLocal(bv, CURSOR, false);
1410                 return true;
1411         }
1412         return false;
1413 }
1414
1415
1416 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1417                                       int button)
1418 {
1419         int dummyx, dummyy;
1420
1421         dummyx = x = x - drawTextXOffset;
1422         dummyy = y + insetAscent;
1423         Inset * inset = bv->checkInsetHit(TEXT(bv), dummyx, dummyy, button);
1424
1425         if (inset) {
1426                 if (x < 0)
1427                         x = insetWidth;
1428                 if (y < 0)
1429                         y = insetDescent;
1430                 inset_x = cx(bv) - top_x + drawTextXOffset;
1431                 inset_y = cy(bv) + drawTextYOffset;
1432                 inset->Edit(bv, x - inset_x, y - inset_y, button);
1433                 if (!the_locking_inset)
1434                         return false;
1435                 UpdateLocal(bv, CURSOR, false);
1436                 return true;
1437         }
1438         return false;
1439 }
1440
1441
1442 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1443 {
1444         int w = UpdatableInset::getMaxWidth(bv, inset);
1445         if (w < 0) {
1446                 return w;
1447         }
1448         if (owner()) {
1449                 w = w - top_x + owner()->x();
1450                 return w;
1451         }
1452         w -= (2 * TEXT_TO_INSET_OFFSET);
1453         return w - top_x;
1454 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1455 }
1456
1457
1458 void InsetText::SetParagraphData(LyXParagraph * p)
1459 {
1460         // delete all instances of LyXText before deleting the paragraps used
1461         // by it.
1462         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1463                 delete (*cit).second;
1464                 (*cit).second = 0;
1465         }
1466
1467         while (par) {
1468                 LyXParagraph * tmp = par->next();
1469                 delete par;
1470                 par = tmp;
1471         }
1472
1473         par = new LyXParagraph(*p);
1474         par->SetInsetOwner(this);
1475         LyXParagraph * np = par;
1476         while (p->next()) {
1477                 p = p->next();
1478                 np->next(new LyXParagraph(*p));
1479                 np->next()->previous(np);
1480                 np = np->next();
1481                 np->SetInsetOwner(this);
1482         }
1483
1484         need_update = INIT;
1485 }
1486
1487
1488 void InsetText::SetText(string const & data)
1489 {
1490         clear();
1491         LyXFont font(LyXFont::ALL_SANE);
1492         for (unsigned int i=0; i < data.length(); ++i)
1493                 par->InsertChar(i, data[i], font);
1494 }
1495
1496
1497 void InsetText::SetAutoBreakRows(bool flag)
1498 {
1499         if (flag != autoBreakRows) {
1500                 autoBreakRows = flag;
1501                 need_update = FULL;
1502                 if (!flag)
1503                         removeNewlines();
1504         }
1505 }
1506
1507
1508 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1509 {
1510         if (how != drawFrame_) {
1511                 drawFrame_ = how;
1512                 if (bv)
1513                         UpdateLocal(bv, DRAW_FRAME, false);
1514         }
1515 }
1516
1517
1518 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1519 {
1520         if (frame_color != col) {
1521                 frame_color = col;
1522                 if (bv)
1523                         UpdateLocal(bv, DRAW_FRAME, false);
1524         }
1525 }
1526
1527
1528 int InsetText::cx(BufferView * bv) const
1529 {
1530         LyXText * text = TEXT(bv);
1531         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1532         if (the_locking_inset) {
1533                 LyXFont font = text->GetFont(bv->buffer(),
1534                                              text->cursor.par(),
1535                                              text->cursor.pos());
1536                 if (font.isVisibleRightToLeft())
1537                         x -= the_locking_inset->width(bv, font);
1538         }
1539         return x;
1540 }
1541
1542
1543 int InsetText::cy(BufferView * bv) const
1544 {
1545         LyXFont font;
1546         return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1547 }
1548
1549
1550 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1551 {
1552         return TEXT(bv)->cursor.pos();
1553 }
1554
1555
1556 LyXParagraph * InsetText::cpar(BufferView * bv) const
1557 {
1558         return TEXT(bv)->cursor.par();
1559 }
1560
1561 bool InsetText::cboundary(BufferView * bv) const
1562 {
1563         return TEXT(bv)->cursor.boundary();
1564 }
1565
1566
1567 Row * InsetText::crow(BufferView * bv) const
1568 {
1569         return TEXT(bv)->cursor.row();
1570 }
1571
1572
1573 LyXText * InsetText::getLyXText(BufferView const * lbv,
1574                                 bool const recursive) const
1575 {
1576         // Super UGLY! (Lgb)
1577         BufferView * bv = const_cast<BufferView *>(lbv);
1578
1579         if ((cache.find(bv) != cache.end()) && cache[bv]) {
1580                 if (recursive && the_locking_inset)
1581                         return the_locking_inset->getLyXText(bv);
1582                 return cache[bv];
1583         }
1584         LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1585         lt->init(bv);
1586         cache[bv] = lt;
1587         if (the_locking_inset) {
1588                 lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1589                 if (recursive)
1590                         return the_locking_inset->getLyXText(bv);
1591         }
1592         return lt;
1593 }
1594
1595
1596 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1597 {
1598         if ((cache.find(bv) == cache.end()) || !cache[bv])
1599                 return;
1600         delete cache[bv];
1601         cache.erase(bv);
1602         if (recursive) {
1603                 /// then remove all LyXText in text-insets
1604                 LyXParagraph * p = par;
1605                 for (; p; p = p->next()) {
1606                         p->deleteInsetsLyXText(bv);
1607                 }
1608         }
1609 }
1610
1611
1612 void InsetText::resizeLyXText(BufferView * bv) const
1613 {
1614         if (!par->next() && !par->size()) // resize not neccessary!
1615                 return;
1616         if ((cache.find(bv) == cache.end()) || !cache[bv])
1617                 return;
1618
1619         LyXParagraph * lpar = 0;
1620         LyXParagraph * selstartpar = 0;
1621         LyXParagraph * selendpar = 0;
1622         LyXParagraph::size_type pos = 0;
1623         LyXParagraph::size_type selstartpos = 0;
1624         LyXParagraph::size_type selendpos = 0;
1625         bool boundary = false;
1626         bool selstartboundary = false;
1627         bool selendboundary = false;
1628         int selection = 0;
1629         int mark_set = 0;
1630
1631 //    ProhibitInput(bv);
1632
1633         if (locked) {
1634                 lpar = TEXT(bv)->cursor.par();
1635                 pos = TEXT(bv)->cursor.pos();
1636                 boundary = TEXT(bv)->cursor.boundary();
1637                 selstartpar = TEXT(bv)->sel_start_cursor.par();
1638                 selstartpos = TEXT(bv)->sel_start_cursor.pos();
1639                 selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1640                 selendpar = TEXT(bv)->sel_end_cursor.par();
1641                 selendpos = TEXT(bv)->sel_end_cursor.pos();
1642                 selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1643                 selection = TEXT(bv)->selection;
1644                 mark_set = TEXT(bv)->mark_set;
1645         }
1646         deleteLyXText(bv, (the_locking_inset == 0));
1647
1648         if (lpar) {
1649                 TEXT(bv)->selection = true;
1650                 /* at this point just to avoid the Delete-Empty-Paragraph
1651                  * Mechanism when setting the cursor */
1652                 TEXT(bv)->mark_set = mark_set;
1653                 if (selection) {
1654                         TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,
1655                                             true, selstartboundary);
1656                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1657                         TEXT(bv)->SetCursor(bv, selendpar, selendpos,
1658                                             true, selendboundary);
1659                         TEXT(bv)->SetSelection(bv);
1660                         TEXT(bv)->SetCursor(bv, lpar, pos);
1661                 } else {
1662                         TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1663                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1664                         TEXT(bv)->selection = false;
1665                 }
1666         }
1667         if (bv->screen())
1668                 TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1669         // this will scroll the screen such that the cursor becomes visible
1670         bv->updateScrollbar();
1671 //    AllowInput(bv);
1672         if (the_locking_inset) {
1673                 /// then resize all LyXText in text-insets
1674                 inset_x = cx(bv) - top_x + drawTextXOffset;
1675                 inset_y = cy(bv) + drawTextYOffset;
1676                 for (LyXParagraph * p = par; p; p = p->next()) {
1677                         p->resizeInsetsLyXText(bv);
1678                 }
1679         }
1680         need_update = FULL;
1681 }
1682
1683
1684 void InsetText::removeNewlines()
1685 {
1686         for (LyXParagraph * p = par; p; p = p->next()) {
1687                 for (int i = 0; i < p->size(); ++i) {
1688                         if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1689                                 p->Erase(i);
1690                 }
1691         }
1692 }
1693
1694 bool InsetText::nodraw() const
1695 {
1696         if (the_locking_inset)
1697                 return the_locking_inset->nodraw();
1698         return UpdatableInset::nodraw();
1699 }
1700
1701 int InsetText::scroll(bool recursive) const
1702 {
1703         int sx = UpdatableInset::scroll(false);
1704
1705         if (recursive && the_locking_inset)
1706                 sx += the_locking_inset->scroll(recursive);
1707
1708         return sx;
1709 }
1710
1711 bool InsetText::doClearArea() const
1712 {
1713         return !locked || (need_update & (FULL|INIT));
1714 }
1715 /* Emacs:
1716  * Local variables:
1717  * tab-width: 4
1718  * End:
1719  * vi:set tabstop=4:
1720  */