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
  51 using std::ostream;
  52 using std::ifstream;
  53 using std::endl;
  54 using std::min;
  55 using std::max;
  56
  57 extern unsigned char getCurrentTextClass(Buffer *);
  58 extern bool math_insert_greek(BufferView *, char);
  59 extern int greek_kb_flag;
  60
  61 InsetText::InsetText()
  62 {
  63         par = new LyXParagraph;
  64         init();
  65 }
  66
  67
  68 InsetText::InsetText(InsetText const & ins)
  69         : UpdatableInset()
  70 {
  71         par = 0;
  72         init(&ins);
  73         autoBreakRows = ins.autoBreakRows;
  74 }
  75
  76
  77 InsetText & InsetText::operator=(InsetText const & it)
  78 {
  79         init(&it);
  80         autoBreakRows = it.autoBreakRows;
  81         return * this;
  82 }
  83
  84
  85 void InsetText::init(InsetText const * ins)
  86 {
  87         top_y = 0;
  88         last_width = 0;
  89         last_height = 0;
  90         insetAscent = 0;
  91         insetDescent = 0;
  92         insetWidth = 0;
  93         the_locking_inset = 0;
  94         interline_space = 1;
  95         no_selection = false;
  96         need_update = INIT;
  97         drawTextXOffset = 0;
  98         drawTextYOffset = 0;
  99         autoBreakRows = false;
 100         drawFrame = NEVER;
 101         xpos = 0.0;
 102         if (ins) {
 103         SetParagraphData(ins->par);
 104         autoBreakRows = ins->autoBreakRows;
 105         drawFrame = ins->drawFrame;
 106         }
 107         par->SetInsetOwner(this);
 108         frame_color = LColor::insetframe;
 109         locked = false;
 110         old_par = 0;
 111         last_drawn_width = -1;
 112 }
 113
 114
 115 InsetText::~InsetText()
 116 {
 117         // delete all instances of LyXText before deleting the paragraps used
 118         // by it.
 119         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 120                 delete (*cit).second;
 121                 (*cit).second = 0;
 122         }
 123 #ifndef NEW_INSETS
 124         LyXParagraph * p = par->next_;
 125         delete par;
 126         while(p) {
 127                 par = p;
 128                 p = p->next_;
 129                 delete par;
 130         }
 131 #else
 132         while (par) {
 133                 LyXParagraph * tmp = par->next();
 134                 delete par;
 135                 par = tmp;
 136         }
 137 #endif
 138 }
 139
 140
 141 void InsetText::clear()
 142 {
 143         // delete all instances of LyXText before deleting the paragraps used
 144         // by it.
 145         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 146                 delete (*cit).second;
 147                 (*cit).second = 0;
 148         }
 149 #ifndef NEW_INSETS
 150         LyXParagraph * p = par->next_;
 151         delete par;
 152         while(p) {
 153                 par = p;
 154                 p = p->next_;
 155                 delete par;
 156         }
 157 #else
 158         while (par) {
 159                 LyXParagraph * tmp = par->next();
 160                 delete par;
 161                 par = tmp;
 162         }
 163 #endif
 164         par = new LyXParagraph;
 165 }
 166
 167
 168 Inset * InsetText::Clone(Buffer const &) const
 169 {
 170         InsetText * t = new InsetText(*this);
 171         return t;
 172 }
 173
 174
 175 void InsetText::Write(Buffer const * buf, ostream & os) const
 176 {
 177         os << "Text\n";
 178         WriteParagraphData(buf, os);
 179 }
 180
 181
 182 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 183 {
 184         par->writeFile(buf, os, buf->params, 0, 0);
 185 }
 186
 187
 188 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 189 {
 190         string token;
 191         int pos = 0;
 192         LyXParagraph * return_par = 0;
 193         char depth = 0; // signed or unsigned?
 194 #ifndef NEW_INSETS
 195         LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 196         LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 197 #endif
 198         LyXFont font(LyXFont::ALL_INHERIT);
 199
 200         // delete all instances of LyXText before deleting the paragraps used
 201         // by it.
 202         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 203                 delete (*cit).second;
 204                 (*cit).second = 0;
 205         }
 206
 207 #ifndef NEW_INSETS
 208         LyXParagraph * p = par->next_;
 209         delete par;
 210         while(p) {
 211                 par = p;
 212                 p = p->next_;
 213                 delete par;
 214         }
 215 #else
 216         while (par) {
 217                 LyXParagraph * tmp = par->next();
 218                 delete par;
 219                 par = tmp;
 220         }
 221 #endif
 222         par = new LyXParagraph;
 223         while (lex.IsOK()) {
 224                 lex.nextToken();
 225                 token = lex.GetString();
 226                 if (token.empty())
 227                         continue;
 228                 if (token == "\\end_inset")
 229                         break;
 230                 if (const_cast<Buffer*>(buf)->
 231                         parseSingleLyXformat2Token(lex, par, return_par,
 232                                                    token, pos, depth, font
 233 #ifndef NEW_INSETS
 234                                                    , footnoteflag, footnotekind
 235 #endif
 236                                 ))
 237                 {
 238                         // the_end read this should NEVER happen
 239                         lex.printError("\\the_end read in inset! Error in document!");
 240                         return;
 241                 }
 242         }
 243         if (!return_par)
 244                 return_par = par;
 245         par = return_par;
 246         while(return_par) {
 247                 return_par->SetInsetOwner(this);
 248 #ifndef NEW_INSETS
 249                 return_par = return_par->next_;
 250 #else
 251                 return_par = return_par->next();
 252 #endif
 253         }
 254
 255         if (token != "\\end_inset") {
 256                 lex.printError("Missing \\end_inset at this point. "
 257                                            "Read: `$$Token'");
 258         }
 259         need_update = INIT;
 260 }
 261
 262
 263 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 264 {
 265         int y_temp = 0;
 266         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 267         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 268         return insetAscent;
 269 }
 270
 271
 272 int InsetText::descent(BufferView * bv, LyXFont const &) const
 273 {
 274         int y_temp = 0;
 275         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 276         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 277         TEXT_TO_INSET_OFFSET;
 278         return insetDescent;
 279 }
 280
 281
 282 int InsetText::width(BufferView * bv, LyXFont const &) const
 283 {
 284         insetWidth = max(textWidth(bv),
 285                          (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 286         return insetWidth;
 287 }
 288
 289
 290 int InsetText::textWidth(BufferView * bv) const
 291 {
 292         int const w = getMaxWidth(bv, this);
 293         return w;
 294 }
 295
 296
 297 void InsetText::draw(BufferView * bv, LyXFont const & f,
 298                      int baseline, float & x, bool cleared) const
 299 {
 300         Painter & pain = bv->painter();
 301
 302         // no draw is necessary !!!
 303         if ((drawFrame == LOCKED) && !locked && !par->size()) {
 304                         if (!cleared && (need_update & CLEAR_FRAME)) {
 305                                         pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 306                                                                    width(bv, f) - 1,
 307                                                                    insetAscent + insetDescent - 1,
 308                                                                    LColor::background);
 309                         }
 310                         top_x = int(x);
 311                         top_baseline = baseline;
 312                         x += width(bv, f);
 313                         need_update = NONE;
 314                         return;
 315         }
 316
 317         xpos = x;
 318         UpdatableInset::draw(bv, f, baseline, x, cleared);
 319
 320         // update insetWidth and insetHeight with dummy calls
 321         (void)ascent(bv, f);
 322         (void)descent(bv, f);
 323         (void)width(bv, f);
 324
 325         // if top_x differs we have a rule down and we don't have to clear anything
 326         if (!cleared && (top_x == int(x)) &&
 327             ((need_update == INIT) || (need_update == FULL) || (top_baseline != baseline) ||
 328                  (last_drawn_width!=insetWidth))) {
 329                 int w =  insetWidth;
 330                 int h = insetAscent + insetDescent;
 331                 int ty = baseline - insetAscent;
 332
 333                 if (ty < 0) {
 334                         h += ty;
 335                         ty = 0;
 336                 }
 337                 if ((ty + h) > pain.paperHeight())
 338                         h = pain.paperHeight();
 339                 if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 340                         w = pain.paperWidth();
 341                 pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 342                 cleared = true;
 343                 need_update = FULL;
 344         }
 345         if (!cleared && (need_update == NONE))
 346                 return;
 347
 348         if (top_x != int(x)) {
 349                 need_update = INIT;
 350                 top_x = int(x);
 351                 bv->text->status = LyXText::CHANGED_IN_DRAW;
 352                 return;
 353         }
 354         if (cleared || (last_drawn_width != insetWidth)) {
 355                 need_update |= FULL;
 356                 last_drawn_width = insetWidth;
 357         }
 358
 359         top_baseline = baseline;
 360         top_y = baseline - ascent(bv, f);
 361         last_width = width(bv, f);
 362         last_height = ascent(bv, f) + descent(bv, f);
 363
 364         if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 365                 inset_x = cx(bv) - top_x + drawTextXOffset;
 366                 inset_y = cy(bv) + drawTextYOffset;
 367         }
 368         if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 369                 x += width(bv, f);
 370                 need_update = NONE;
 371                 return;
 372         }
 373         x += TEXT_TO_INSET_OFFSET;
 374
 375 #ifdef WITH_WARNINGS
 376 #warning Jürgen, why is this a block of its own? (Lgb)
 377 #warning because you told me to define variables only in local context (Jug)!
 378 #warning then make it a function/method of its own. (Lgb)
 379 #endif
 380         {
 381         int y = 0;
 382         Row * row = TEXT(bv)->GetRowNearY(y);
 383         int y_offset = baseline - row->ascent_of_text();
 384         int ph = pain.paperHeight();
 385         int first = 0;
 386         y = y_offset;
 387         while ((row != 0) && ((y+row->height()) <= 0)) {
 388                 y += row->height();
 389                 first += row->height();
 390                 row = row->next();
 391         }
 392         if (y_offset < 0)
 393                 y_offset = y;
 394         TEXT(bv)->first = first;
 395         if (cleared) { // (need_update&FULL) || (need_update&INIT)
 396                 int yf = y_offset;
 397                 y = 0;
 398                 while ((row != 0) && (yf < ph)) {
 399                         TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 400                                                 y+first, cleared);
 401                 y += row->height();
 402                 yf += row->height();
 403                 row = row->next();
 404                 }
 405         } else if (!locked) {
 406                 if (need_update & CURSOR) {
 407                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 408                         TEXT(bv)->ClearSelection(bv);
 409                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 410                 }
 411                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 412         } else {
 413                 locked = false;
 414                 if (need_update & SELECTION)
 415                         bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 416                 else if (need_update & CURSOR) {
 417                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 418                         TEXT(bv)->ClearSelection(bv);
 419                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 420                 }
 421                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 422                 locked = true;
 423         }
 424         }
 425         TEXT(bv)->refresh_y = 0;
 426         TEXT(bv)->status = LyXText::UNCHANGED;
 427         if ((need_update != CURSOR_PAR) &&
 428                 ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 429         {
 430                 pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 431                                width(bv, f) - 1,
 432                                insetAscent + insetDescent - 1,
 433                                frame_color);
 434         } else if (need_update & CLEAR_FRAME) {
 435                 pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 436                                width(bv, f) - 1,
 437                                insetAscent + insetDescent - 1,
 438                                LColor::background);
 439         }
 440         x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 441         if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 442                 need_update = INIT;
 443         } else if (need_update != INIT)
 444                 need_update = NONE;
 445 }
 446
 447
 448 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 449 {
 450         if (reinit) {  // && (need_update != CURSOR)) {
 451                 need_update = INIT;
 452                 resizeLyXText(bv);
 453                 if (owner())
 454                         owner()->update(bv, font, true);
 455                 return;
 456         }
 457         if (the_locking_inset) {
 458                 inset_x = cx(bv) - top_x + drawTextXOffset;
 459                 inset_y = cy(bv) + drawTextYOffset;
 460                 the_locking_inset->update(bv, font, reinit);
 461         }
 462         if (need_update == INIT) {
 463                 resizeLyXText(bv);
 464                 need_update = FULL;
 465         }
 466         int oldw = insetWidth;
 467 #if 1
 468         insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 469         // max(textWidth(bv->painter()),
 470         // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 471         // (2 * TEXT_TO_INSET_OFFSET);
 472 #else
 473         insetWidth = textWidth(bv);
 474         if (insetWidth < 0)
 475                 insetWidth = static_cast<int>(TEXT(bv)->width);
 476 #endif
 477         if (oldw != insetWidth) {
 478 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 479 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 480                 resizeLyXText(bv);
 481                 need_update = FULL;
 482                 update(bv, font, reinit);
 483                 return;
 484         }
 485         if ((need_update == CURSOR_PAR) && (TEXT(bv)->status == LyXText::UNCHANGED) &&
 486                 the_locking_inset)
 487         {
 488                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 489         }
 490
 491         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 492                 need_update = FULL;
 493
 494         int y_temp = 0;
 495         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 496         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 497         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 498                 TEXT_TO_INSET_OFFSET;
 499 }
 500
 501
 502 void InsetText::SetUpdateStatus(BufferView * bv, int what)
 503 {
 504         need_update |= what;
 505         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 506                 need_update |= FULL;
 507         else if (TEXT(bv)->status == LyXText::NEED_VERY_LITTLE_REFRESH)
 508                 need_update |= CURSOR_PAR;
 509
 510         // this to not draw a selection when we redraw all of it!
 511         if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 512                 TEXT(bv)->ClearSelection(bv);
 513 }
 514
 515
 516 void InsetText::UpdateLocal(BufferView * bv, int what, bool mark_dirty)
 517 {
 518         TEXT(bv)->FullRebreak(bv);
 519         SetUpdateStatus(bv, what);
 520         if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 521                 TEXT(bv)->selection)
 522                 bv->updateInset(this, mark_dirty);
 523         bv->owner()->showState();
 524         if (old_par != cpar(bv)) {
 525                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 526                 old_par = cpar(bv);
 527         }
 528 }
 529
 530
 531 string const InsetText::EditMessage() const
 532 {
 533         return _("Opened Text Inset");
 534 }
 535
 536
 537 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 538 {
 539 //    par->SetInsetOwner(this);
 540         UpdatableInset::Edit(bv, x, y, button);
 541
 542         if (!bv->lockInset(this)) {
 543                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 544                 return;
 545         }
 546         locked = true;
 547         the_locking_inset = 0;
 548         inset_pos = inset_x = inset_y = 0;
 549         inset_boundary = false;
 550         inset_par = 0;
 551         old_par = 0;
 552         int tmp_y = (y < 0)?0:y;
 553         if (!checkAndActivateInset(bv, x, tmp_y, button))
 554                 TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 555                                                    y + insetAscent);
 556         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 557         bv->text->FinishUndo();
 558         ShowInsetCursor(bv);
 559         UpdateLocal(bv, FULL, false);
 560
 561         // If the inset is empty set the language of the current font to the
 562         // language to the surronding text.
 563 #ifndef NEW_INSETS
 564         if (par->Last() == 0 && !par->next_)
 565 #else
 566         if (par->size() == 0 && !par->next())
 567 #endif
 568         {
 569                 LyXFont font(LyXFont::ALL_IGNORE);
 570                 font.setLanguage(bv->getParentLanguage(this));
 571                 SetFont(bv, font, false);
 572         }
 573 }
 574
 575
 576 void InsetText::InsetUnlock(BufferView * bv)
 577 {
 578         if (the_locking_inset) {
 579                 the_locking_inset->InsetUnlock(bv);
 580                 the_locking_inset = 0;
 581         }
 582         HideInsetCursor(bv);
 583         no_selection = false;
 584         locked = false;
 585         UpdateLocal(bv, CLEAR_FRAME|CURSOR, false);
 586         if (owner())
 587                 bv->owner()->setLayout(owner()->getLyXText(bv)
 588                                        ->cursor.par()->GetLayout());
 589         else
 590                 bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 591 }
 592
 593
 594 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 595 {
 596         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 597                               << inset << "): ";
 598         if (!inset)
 599                 return false;
 600         if (inset == cpar(bv)->GetInset(cpos(bv))) {
 601                 lyxerr[Debug::INSETS] << "OK" << endl;
 602                 the_locking_inset = inset;
 603                 inset_x = cx(bv) - top_x + drawTextXOffset;
 604                 inset_y = cy(bv) + drawTextYOffset;
 605                 inset_pos = cpos(bv);
 606                 inset_par = cpar(bv);
 607                 inset_boundary = cboundary(bv);
 608 #if 0
 609                 TEXT(bv)->ClearSelection(bv);
 610                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 611                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 612 #else
 613                 UpdateLocal(bv, CURSOR, false);
 614 #endif
 615                 return true;
 616         } else if (the_locking_inset && (the_locking_inset == inset)) {
 617                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 618                         lyxerr[Debug::INSETS] << "OK" << endl;
 619                         inset_x = cx(bv) - top_x + drawTextXOffset;
 620                         inset_y = cy(bv) + drawTextYOffset;
 621                 } else {
 622                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 623                 }
 624         } else if (the_locking_inset) {
 625                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 626                 return the_locking_inset->LockInsetInInset(bv, inset);
 627         }
 628         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 629         return false;
 630 }
 631
 632
 633 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 634                                    bool lr)
 635 {
 636         if (!the_locking_inset)
 637                 return false;
 638         if (the_locking_inset == inset) {
 639                 the_locking_inset->InsetUnlock(bv);
 640                 TEXT(bv)->UpdateInset(bv, inset);
 641                 the_locking_inset = 0;
 642                 if (lr)
 643                         moveRight(bv, false);
 644                 old_par = 0; // force layout setting
 645                 UpdateLocal(bv, CURSOR_PAR, false);
 646                 return true;
 647         }
 648         return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 649 }
 650
 651
 652 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 653 {
 654         if (!the_locking_inset)
 655                 return false;
 656         if (the_locking_inset != inset) {
 657                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 658                 SetUpdateStatus(bv, CURSOR_PAR);
 659                 return the_locking_inset->UpdateInsetInInset(bv, inset);
 660         }
 661 //    UpdateLocal(bv, FULL, false);
 662         if (TEXT(bv)->UpdateInset(bv, inset))
 663                 UpdateLocal(bv, CURSOR_PAR, false);
 664         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 665                 inset_x = cx(bv) - top_x + drawTextXOffset;
 666                 inset_y = cy(bv) + drawTextYOffset;
 667         }
 668         return true;
 669 }
 670
 671
 672 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 673 {
 674         no_selection = true;
 675
 676         int tmp_x = x - drawTextXOffset;
 677         int tmp_y = y + insetAscent - TEXT(bv)->first;
 678         Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 679
 680         HideInsetCursor(bv);
 681         if (the_locking_inset) {
 682                 if (the_locking_inset == inset) {
 683                         the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 684                         no_selection = false;
 685                         return;
 686                 } else if (inset) {
 687                         // otherwise unlock the_locking_inset and lock the new inset
 688                         the_locking_inset->InsetUnlock(bv);
 689                         inset_x = cx(bv) - top_x + drawTextXOffset;
 690                         inset_y = cy(bv) + drawTextYOffset;
 691                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 692                         inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 693                         inset->Edit(bv, x - inset_x, y - inset_y, button);
 694                         if (the_locking_inset)
 695                                 UpdateLocal(bv, CURSOR, false);
 696                         no_selection = false;
 697                         return;
 698                 }
 699                 // otherwise only unlock the_locking_inset
 700                 the_locking_inset->InsetUnlock(bv);
 701                 the_locking_inset = 0;
 702         }
 703         if (bv->theLockingInset()) {
 704                 if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 705                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 706                         inset_x = cx(bv) - top_x + drawTextXOffset;
 707                         inset_y = cy(bv) + drawTextYOffset;
 708                         inset_pos = cpos(bv);
 709                         inset_par = cpar(bv);
 710                         inset_boundary = cboundary(bv);
 711                         the_locking_inset = uinset;
 712                         uinset->InsetButtonPress(bv, x - inset_x, y - inset_y,
 713                                                  button);
 714                         uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 715                         if (the_locking_inset)
 716                                 UpdateLocal(bv, CURSOR, false);
 717                         no_selection = false;
 718                         return;
 719                 }
 720         }
 721         if (!inset) { // && (button == 2)) {
 722                 bool paste_internally = false;
 723                 if ((button == 2) && TEXT(bv)->selection) {
 724                         LocalDispatch(bv, LFUN_COPY, "");
 725                         paste_internally = true;
 726                 }
 727                 TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 728                                                    y + insetAscent);
 729                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 730                 UpdateLocal(bv, CURSOR, false);
 731                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 732                 old_par = cpar(bv);
 733                 // Insert primary selection with middle mouse
 734                 // if there is a local selection in the current buffer,
 735                 // insert this
 736                 if (button == 2) {
 737                         if (paste_internally)
 738                                 LocalDispatch(bv, LFUN_PASTE, "");
 739                         else
 740                                 LocalDispatch(bv, LFUN_PASTESELECTION,
 741                                               "paragraph");
 742                 }
 743         }
 744         ShowInsetCursor(bv);
 745         no_selection = false;
 746 }
 747
 748
 749 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 750 {
 751         UpdatableInset * inset = 0;
 752
 753         if (the_locking_inset) {
 754                 the_locking_inset->InsetButtonRelease(bv,
 755                                                       x - inset_x, y - inset_y,
 756                                                       button);
 757         } else {
 758                 if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 759                         inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 760                         if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 761                                 inset->InsetButtonRelease(bv,
 762                                                           x - inset_x,
 763                                                           y - inset_y, button);
 764                         } else {
 765                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 766                                 inset_y = cy(bv) + drawTextYOffset;
 767                                 inset->InsetButtonRelease(bv,
 768                                                           x - inset_x,
 769                                                           y - inset_y, button);
 770                                 inset->Edit(bv,
 771                                             x - inset_x, y - inset_y, button);
 772                         }
 773                         UpdateLocal(bv, CURSOR_PAR, false);
 774                 }
 775         }
 776         no_selection = false;
 777 }
 778
 779
 780 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 781 {
 782         if (no_selection)
 783                 return;
 784         if (the_locking_inset) {
 785                 the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 786                                                      y - inset_y,state);
 787                 return;
 788         }
 789         HideInsetCursor(bv);
 790         TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 791                                            y + insetAscent);
 792         TEXT(bv)->SetSelection(bv);
 793         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 794                 TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 795                 UpdateLocal(bv, SELECTION, false);
 796         ShowInsetCursor(bv);
 797 }
 798
 799
 800 void InsetText::InsetKeyPress(XKeyEvent * xke)
 801 {
 802         if (the_locking_inset) {
 803                 the_locking_inset->InsetKeyPress(xke);
 804                 return;
 805         }
 806 }
 807
 808
 809 UpdatableInset::RESULT
 810 InsetText::LocalDispatch(BufferView * bv,
 811                          kb_action action, string const & arg)
 812 {
 813         no_selection = false;
 814         UpdatableInset::RESULT
 815                 result= UpdatableInset::LocalDispatch(bv, action, arg);
 816         if (result != UNDISPATCHED) {
 817                 return DISPATCHED;
 818         }
 819
 820         result = DISPATCHED;
 821         if ((action < 0) && arg.empty())
 822                 return FINISHED;
 823
 824         if (the_locking_inset) {
 825                 result = the_locking_inset->LocalDispatch(bv, action, arg);
 826                 if (result == DISPATCHED_NOUPDATE)
 827                         return result;
 828                 else if (result == DISPATCHED) {
 829                         UpdateLocal(bv, CURSOR_PAR, false);
 830                         return result;
 831                 } else if (result == FINISHED) {
 832                         bool dispatched = false;
 833                         switch (action) {
 834                         case LFUN_UNKNOWN_ACTION:
 835                         case LFUN_BREAKPARAGRAPH:
 836                         case LFUN_BREAKLINE:
 837                                 moveRightIntern(bv, false, false);
 838                                 break;
 839                         case LFUN_RIGHT:
 840                                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 841                                         moveRightIntern(bv, false, false);
 842                                 dispatched = true;
 843                                 break;
 844                         case LFUN_LEFT:
 845                                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 846                                         moveRightIntern(bv, false, false);
 847                                 dispatched = true;
 848                                 break;
 849                         default:
 850                                 break;
 851                         }
 852                         the_locking_inset = 0;
 853                         if (dispatched)
 854                                 return DISPATCHED;
 855                 }
 856         }
 857         HideInsetCursor(bv);
 858         switch (action) {
 859         // Normal chars
 860         case LFUN_UNKNOWN_ACTION:
 861                 if (bv->buffer()->isReadonly()) {
 862 //          setErrorMessage(N_("Document is read only"));
 863                         break;
 864                 }
 865                 if (!arg.empty()) {
 866                         /* Automatically delete the currently selected
 867                          * text and replace it with what is being
 868                          * typed in now. Depends on lyxrc settings
 869                          * "auto_region_delete", which defaults to
 870                          * true (on). */
 871
 872                         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 873 #ifndef NEW_INSETS
 874                                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 875                                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 876 #else
 877                                           bv->text->cursor.par()->previous(),
 878                                           bv->text->cursor.par()->next()
 879 #endif
 880                                 );
 881                         bv->setState();
 882                         if (lyxrc.auto_region_delete) {
 883                                 if (TEXT(bv)->selection){
 884                                         TEXT(bv)->CutSelection(bv, false);
 885                                 }
 886                         }
 887                         TEXT(bv)->ClearSelection(bv);
 888                         for (string::size_type i = 0; i < arg.length(); ++i) {
 889                                 if (greek_kb_flag) {
 890                                         if (!math_insert_greek(bv, arg[i])) {
 891                                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 892                                         } else if (!the_locking_inset) {
 893                                                 (void)moveRight(bv, false);
 894                                         }
 895                                 } else {
 896                                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 897                                 }
 898                         }
 899                 }
 900                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 901                 UpdateLocal(bv, CURSOR_PAR, true);
 902                 result=DISPATCHED_NOUPDATE;
 903                 break;
 904                 // --- Cursor Movements -----------------------------------
 905         case LFUN_RIGHTSEL:
 906                 bv->text->FinishUndo();
 907                 moveRight(bv, false, true);
 908                 TEXT(bv)->SetSelection(bv);
 909                 UpdateLocal(bv, SELECTION, false);
 910                 break;
 911         case LFUN_RIGHT:
 912                 result = moveRight(bv);
 913                 bv->text->FinishUndo();
 914                 UpdateLocal(bv, CURSOR, false);
 915                 break;
 916         case LFUN_LEFTSEL:
 917                 bv->text->FinishUndo();
 918                 moveLeft(bv, false, true);
 919                 TEXT(bv)->SetSelection(bv);
 920                 UpdateLocal(bv, SELECTION, false);
 921                 break;
 922         case LFUN_LEFT:
 923                 bv->text->FinishUndo();
 924                 result = moveLeft(bv);
 925                 UpdateLocal(bv, CURSOR, false);
 926                 break;
 927         case LFUN_DOWNSEL:
 928                 bv->text->FinishUndo();
 929                 moveDown(bv);
 930                 TEXT(bv)->SetSelection(bv);
 931                 UpdateLocal(bv, SELECTION, false);
 932                 break;
 933         case LFUN_DOWN:
 934                 bv->text->FinishUndo();
 935                 result = moveDown(bv);
 936                 UpdateLocal(bv, CURSOR, false);
 937                 break;
 938         case LFUN_UPSEL:
 939                 bv->text->FinishUndo();
 940                 moveUp(bv);
 941                 TEXT(bv)->SetSelection(bv);
 942                 UpdateLocal(bv, SELECTION, false);
 943                 break;
 944         case LFUN_UP:
 945                 bv->text->FinishUndo();
 946                 result = moveUp(bv);
 947                 UpdateLocal(bv, CURSOR, false);
 948                 break;
 949         case LFUN_HOME:
 950                 bv->text->FinishUndo();
 951                 TEXT(bv)->CursorHome(bv);
 952                 UpdateLocal(bv, CURSOR, false);
 953                 break;
 954         case LFUN_END:
 955                 TEXT(bv)->CursorEnd(bv);
 956                 UpdateLocal(bv, CURSOR, false);
 957                 break;
 958         case LFUN_BACKSPACE:
 959                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 960 #ifndef NEW_INSETS
 961                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 962                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 963 #else
 964                                   bv->text->cursor.par()->previous(),
 965                                   bv->text->cursor.par()->next()
 966 #endif
 967                                                   );
 968                 if (TEXT(bv)->selection)
 969                         TEXT(bv)->CutSelection(bv);
 970                 else
 971                         TEXT(bv)->Backspace(bv);
 972                 UpdateLocal(bv, CURSOR_PAR, true);
 973                 break;
 974         case LFUN_DELETE:
 975                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 976 #ifndef NEW_INSETS
 977                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 978                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 979 #else
 980                                   bv->text->cursor.par()->previous(),
 981                                   bv->text->cursor.par()->next()
 982 #endif
 983                                                   );
 984                 if (TEXT(bv)->selection)
 985                         TEXT(bv)->CutSelection(bv);
 986                 else
 987                         TEXT(bv)->Delete(bv);
 988                 UpdateLocal(bv, CURSOR_PAR, true);
 989                 break;
 990         case LFUN_CUT:
 991                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 992 #ifndef NEW_INSETS
 993                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 994                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 995 #else
 996                                   bv->text->cursor.par()->previous(),
 997                                   bv->text->cursor.par()->next()
 998 #endif
 999                                                   );
1000                 TEXT(bv)->CutSelection(bv);
1001                 UpdateLocal(bv, CURSOR_PAR, true);
1002                 break;
1003         case LFUN_COPY:
1004                 bv->text->FinishUndo();
1005                 TEXT(bv)->CopySelection(bv);
1006                 UpdateLocal(bv, CURSOR_PAR, false);
1007                 break;
1008         case LFUN_PASTESELECTION:
1009         {
1010                 string clip(bv->workarea()->getClipboard());
1011
1012                 if (clip.empty())
1013                         break;
1014                 if (arg == "paragraph") {
1015                         TEXT(bv)->InsertStringB(bv, clip);
1016                 } else {
1017                         TEXT(bv)->InsertStringA(bv, clip);
1018                 }
1019                 UpdateLocal(bv, CURSOR_PAR, true);
1020                 break;
1021         }
1022         case LFUN_PASTE:
1023                 if (!autoBreakRows) {
1024                         CutAndPaste cap;
1025
1026                         if (cap.nrOfParagraphs() > 1) {
1027                                 WriteAlert(_("Impossible operation"),
1028                                                    _("Cannot include more than one paragraph!"),
1029                                                    _("Sorry."));
1030                                 break;
1031                         }
1032                 }
1033                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1034 #ifndef NEW_INSETS
1035                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1036                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1037 #else
1038                                   bv->text->cursor.par()->previous(),
1039                                   bv->text->cursor.par()->next()
1040 #endif
1041                                                   );
1042                 TEXT(bv)->PasteSelection(bv);
1043                 UpdateLocal(bv, CURSOR_PAR, true);
1044                 break;
1045         case LFUN_BREAKPARAGRAPH:
1046                 if (!autoBreakRows)
1047                         return DISPATCHED;
1048                 TEXT(bv)->BreakParagraph(bv, 0);
1049                 UpdateLocal(bv, FULL, true);
1050                 break;
1051         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1052                 if (!autoBreakRows)
1053                         return DISPATCHED;
1054                 TEXT(bv)->BreakParagraph(bv, 1);
1055                 UpdateLocal(bv, FULL, true);
1056                 break;
1057         case LFUN_BREAKLINE:
1058                 if (!autoBreakRows)
1059                         return DISPATCHED;
1060                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1061 #ifndef NEW_INSETS
1062                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1063                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1064 #else
1065                                   bv->text->cursor.par()->previous(),
1066                                   bv->text->cursor.par()->next()
1067 #endif
1068                                                   );
1069                 TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1070                 UpdateLocal(bv, CURSOR_PAR, true);
1071                 break;
1072         case LFUN_LAYOUT:
1073                 // do not set layouts on non breakable textinsets
1074                 if (autoBreakRows) {
1075                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1076
1077                         // Derive layout number from given argument (string)
1078                         // and current buffer's textclass (number). */
1079                         LyXTextClassList::ClassList::size_type tclass =
1080                                 bv->buffer()->params.textclass;
1081                         std::pair<bool, LyXTextClass::size_type> layout =
1082                                         textclasslist.NumberOfLayout(tclass, arg);
1083
1084                         // If the entry is obsolete, use the new one instead.
1085                         if (layout.first) {
1086                                 string obs = textclasslist.Style(tclass,layout.second).
1087                                         obsoleted_by();
1088                                 if (!obs.empty())
1089                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1090                         }
1091
1092                         // see if we found the layout number:
1093                         if (!layout.first) {
1094                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1095                                 bv->owner()->message(msg);
1096                                 break;
1097                         }
1098
1099                         if (cur_layout != layout.second) {
1100                                 cur_layout = layout.second;
1101                                 TEXT(bv)->SetLayout(bv, layout.second);
1102                                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1103                                 UpdateLocal(bv, CURSOR_PAR, true);
1104                         }
1105                 } else {
1106                         // reset the layout box
1107                         bv->owner()->setLayout(cpar(bv)->GetLayout());
1108                 }
1109                 break;
1110         case LFUN_PARAGRAPH_SPACING:
1111                 // This one is absolutely not working. When fiddling with this
1112                 // it also seems to me that the paragraphs inside the insettext
1113                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1114         {
1115                 LyXParagraph * par = TEXT(bv)->cursor.par();
1116                 Spacing::Space cur_spacing = par->params.spacing().getSpace();
1117                 float cur_value = 1.0;
1118                 if (cur_spacing == Spacing::Other) {
1119                         cur_value = par->params.spacing().getValue();
1120                 }
1121
1122                 std::istringstream istr(arg.c_str());
1123                 string tmp;
1124                 istr >> tmp;
1125                 Spacing::Space new_spacing = cur_spacing;
1126                 float new_value = cur_value;
1127                 if (tmp.empty()) {
1128                         lyxerr << "Missing argument to `paragraph-spacing'"
1129                                    << endl;
1130                 } else if (tmp == "single") {
1131                         new_spacing = Spacing::Single;
1132                 } else if (tmp == "onehalf") {
1133                         new_spacing = Spacing::Onehalf;
1134                 } else if (tmp == "double") {
1135                         new_spacing = Spacing::Double;
1136                 } else if (tmp == "other") {
1137                         new_spacing = Spacing::Other;
1138                         float tmpval = 0.0;
1139                         istr >> tmpval;
1140                         lyxerr << "new_value = " << tmpval << endl;
1141                         if (tmpval != 0.0)
1142                                 new_value = tmpval;
1143                 } else if (tmp == "default") {
1144                         new_spacing = Spacing::Default;
1145                 } else {
1146                         lyxerr << _("Unknown spacing argument: ")
1147                                    << arg << endl;
1148                 }
1149                 if (cur_spacing != new_spacing || cur_value != new_value) {
1150                         par->params.spacing(Spacing(new_spacing, new_value));
1151                         //TEXT(bv)->RedoParagraph(owner->view());
1152                         UpdateLocal(bv, CURSOR_PAR, true);
1153                         //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1154                 }
1155         }
1156         break;
1157
1158         default:
1159                 if (!bv->Dispatch(action, arg))
1160                         result = UNDISPATCHED;
1161                 break;
1162         }
1163
1164         /// If the action has deleted all text in the inset, we need to change the
1165         // language to the language to the surronding text.
1166 #ifndef NEW_INSETS
1167         if (par->Last() == 0 && !par->next_)
1168 #else
1169         if (par->size() == 0 && !par->next())
1170 #endif
1171         {
1172                 LyXFont font(LyXFont::ALL_IGNORE);
1173                 font.setLanguage(bv->getParentLanguage(this));
1174                 SetFont(bv, font, false);
1175         }
1176
1177         if (result != FINISHED) {
1178                 ShowInsetCursor(bv);
1179         } else
1180                 bv->unlockInset(this);
1181         return result;
1182 }
1183
1184
1185 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1186 {
1187         TexRow texrow;
1188         buf->latexParagraphs(os, par, 0, texrow);
1189         return texrow.rows();
1190 }
1191
1192
1193 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1194 {
1195         LyXParagraph * p = par;
1196         unsigned int lines = 0;
1197
1198         string tmp;
1199         while (p) {
1200                 tmp = buf->asciiParagraph(p, linelen);
1201                 lines += countChar(tmp, '\n');
1202                 os << tmp;
1203 #ifndef NEW_INSETS
1204                 p = p->next();
1205 #else
1206                 p = p->next();
1207 #endif
1208         }
1209         return lines;
1210 }
1211
1212
1213 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1214 {
1215         LyXParagraph * p = par;
1216         unsigned int lines = 0;
1217         int desc=0;
1218
1219         string tmp;
1220         while (p) {
1221                 buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1222 #ifndef NEW_INSETS
1223                 p = p->next_;
1224 #else
1225                 p = p->next();
1226 #endif
1227         }
1228
1229         return lines;
1230 }
1231
1232
1233 void InsetText::Validate(LaTeXFeatures & features) const
1234 {
1235         LyXParagraph * p = par;
1236         while(p) {
1237                 p->validate(features);
1238 #ifndef NEW_INSETS
1239                 p = p->next_;
1240 #else
1241                 p = p->next();
1242 #endif
1243         }
1244 }
1245
1246
1247 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1248 {
1249         if (textclasslist.Style(buf->params.textclass,
1250                                 p->GetLayout()).labeltype != LABEL_MANUAL)
1251                 return 0;
1252         else
1253                 return p->BeginningOfMainBody();
1254 }
1255
1256
1257 void InsetText::GetCursorPos(BufferView * bv,
1258                              int & x, int & y) const
1259 {
1260         x = cx(bv);
1261         y = cy(bv);
1262 }
1263
1264
1265 unsigned int InsetText::InsetInInsetY()
1266 {
1267         if (!the_locking_inset)
1268                 return 0;
1269
1270         return (inset_y + the_locking_inset->InsetInInsetY());
1271 }
1272
1273
1274 void InsetText::ToggleInsetCursor(BufferView * bv)
1275 {
1276         if (the_locking_inset) {
1277                 the_locking_inset->ToggleInsetCursor(bv);
1278                 return;
1279         }
1280
1281         LyXFont const font(TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv)));
1282
1283         int const asc = lyxfont::maxAscent(font);
1284         int const desc = lyxfont::maxDescent(font);
1285
1286         if (isCursorVisible())
1287                 bv->hideLockedInsetCursor();
1288         else
1289                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1290         toggleCursorVisible();
1291 }
1292
1293
1294 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1295 {
1296         if (the_locking_inset) {
1297                 the_locking_inset->ShowInsetCursor(bv);
1298                 return;
1299         }
1300         if (!isCursorVisible()) {
1301                 LyXFont const font =
1302                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1303
1304                 int const asc = lyxfont::maxAscent(font);
1305                 int const desc = lyxfont::maxDescent(font);
1306
1307                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1308                 if (show)
1309                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1310                 setCursorVisible(true);
1311         }
1312 }
1313
1314
1315 void InsetText::HideInsetCursor(BufferView * bv)
1316 {
1317         if (isCursorVisible()) {
1318                 bv->hideLockedInsetCursor();
1319                 setCursorVisible(false);
1320         }
1321         if (the_locking_inset)
1322                 the_locking_inset->HideInsetCursor(bv);
1323 }
1324
1325
1326 UpdatableInset::RESULT
1327 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1328 {
1329         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1330                 return moveLeftIntern(bv, false, activate_inset, selecting);
1331         else
1332                 return moveRightIntern(bv, false, activate_inset, selecting);
1333 }
1334
1335 UpdatableInset::RESULT
1336 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1337 {
1338         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1339                 return moveRightIntern(bv, true, activate_inset, selecting);
1340         else
1341                 return moveLeftIntern(bv, true, activate_inset, selecting);
1342 }
1343
1344
1345 UpdatableInset::RESULT
1346 InsetText::moveRightIntern(BufferView * bv, bool behind,
1347                            bool activate_inset, bool selecting)
1348 {
1349 #ifndef NEW_INSETS
1350         if (!cpar(bv)->next_ && (cpos(bv) >= cpar(bv)->Last()))
1351 #else
1352         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1353 #endif
1354                 return FINISHED;
1355         if (activate_inset && checkAndActivateInset(bv, behind))
1356                 return DISPATCHED;
1357         TEXT(bv)->CursorRight(bv);
1358         if (!selecting)
1359                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1360         return DISPATCHED_NOUPDATE;
1361 }
1362
1363
1364 UpdatableInset::RESULT
1365 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1366                           bool activate_inset, bool selecting)
1367 {
1368 #ifndef NEW_INSETS
1369         if (!cpar(bv)->previous_ && (cpos(bv) <= 0))
1370 #else
1371         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1372 #endif
1373                 return FINISHED;
1374         TEXT(bv)->CursorLeft(bv);
1375         if (!selecting)
1376                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1377         if (activate_inset && checkAndActivateInset(bv, behind))
1378                 return DISPATCHED;
1379         return DISPATCHED_NOUPDATE;
1380 }
1381
1382
1383 UpdatableInset::RESULT
1384 InsetText::moveUp(BufferView * bv)
1385 {
1386         if (!crow(bv)->previous())
1387                 return FINISHED;
1388         TEXT(bv)->CursorUp(bv);
1389         return DISPATCHED_NOUPDATE;
1390 }
1391
1392
1393 UpdatableInset::RESULT
1394 InsetText::moveDown(BufferView * bv)
1395 {
1396         if (!crow(bv)->next())
1397                 return FINISHED;
1398         TEXT(bv)->CursorDown(bv);
1399         return DISPATCHED_NOUPDATE;
1400 }
1401
1402
1403 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1404 {
1405         if (the_locking_inset) {
1406                 if (the_locking_inset->InsertInsetAllowed(inset))
1407                         return the_locking_inset->InsertInset(bv, inset);
1408                 return false;
1409         }
1410         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1411 #ifndef NEW_INSETS
1412                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1413                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1414 #else
1415                           bv->text->cursor.par()->previous(),
1416                           bv->text->cursor.par()->next()
1417 #endif
1418                 );
1419         inset->setOwner(this);
1420         HideInsetCursor(bv);
1421         TEXT(bv)->InsertInset(bv, inset);
1422 #if 0
1423         if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1424                 (cpar(bv)->GetInset(cpos(bv)) != inset))
1425                 TEXT(bv)->CursorLeft(bv);
1426 #endif
1427         bv->fitCursor(TEXT(bv));
1428         UpdateLocal(bv, CURSOR_PAR|CURSOR, true);
1429         ShowInsetCursor(bv);
1430         return true;
1431 }
1432
1433
1434 UpdatableInset * InsetText::GetLockingInset()
1435 {
1436         return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1437 }
1438
1439
1440 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1441 {
1442         if (c == LyxCode())
1443                 return this;
1444         if (the_locking_inset)
1445                 return the_locking_inset->GetFirstLockingInsetOfType(c);
1446         return 0;
1447 }
1448
1449
1450 bool InsetText::ShowInsetDialog(BufferView * bv) const
1451 {
1452         if (the_locking_inset)
1453                 return the_locking_inset->ShowInsetDialog(bv);
1454         return false;
1455 }
1456
1457
1458 std::vector<string> const InsetText::getLabelList() const
1459 {
1460         std::vector<string> label_list;
1461
1462         LyXParagraph * tpar = par;
1463         while (tpar) {
1464                 LyXParagraph::inset_iterator beg = tpar->inset_iterator_begin();
1465                 LyXParagraph::inset_iterator end = tpar->inset_iterator_end();
1466                 for (; beg != end; ++beg) {
1467                         std::vector<string> const l = (*beg)->getLabelList();
1468                         label_list.insert(label_list.end(), l.begin(), l.end());
1469                 }
1470                 tpar = tpar->next();
1471         }
1472         return label_list;
1473 }
1474
1475
1476 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1477 {
1478         if (TEXT(bv)->selection) {
1479                 bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1480 #ifndef NEW_INSETS
1481                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1482                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1483 #else
1484                                   bv->text->cursor.par()->previous(),
1485                                   bv->text->cursor.par()->next()
1486 #endif
1487                         );
1488         }
1489         TEXT(bv)->SetFont(bv, font, toggleall);
1490         bv->fitCursor(TEXT(bv));
1491         UpdateLocal(bv, CURSOR_PAR, true);
1492 }
1493
1494
1495 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1496 {
1497         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1498                 unsigned int x;
1499                 unsigned int y;
1500                 Inset * inset =
1501                         static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1502                 if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1503                         return false;
1504                 LyXFont const font =
1505                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1506                 if (behind) {
1507                         x = inset->width(bv, font);
1508                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1509                 } else {
1510                         x = 0;
1511                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1512                 }
1513                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1514                 //inset_y = cy(bv) + drawTextYOffset;
1515                 inset->Edit(bv, x, y, 0);
1516                 if (!the_locking_inset)
1517                         return false;
1518                 UpdateLocal(bv, CURSOR_PAR, false);
1519                 return true;
1520         }
1521         return false;
1522 }
1523
1524
1525 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1526                                       int button)
1527 {
1528         int dummyx = x = x - drawTextXOffset;
1529         int dummyy = y + insetAscent;
1530         Inset * inset = bv->checkInsetHit(TEXT(bv), dummyx, dummyy, button);
1531
1532         if (inset) {
1533                 if (x < 0)
1534                         x = insetWidth;
1535                 if (y < 0)
1536                         y = insetDescent;
1537                 inset_x = cx(bv) - top_x + drawTextXOffset;
1538                 inset_y = cy(bv) + drawTextYOffset;
1539                 inset->Edit(bv, x - inset_x, y - inset_y, button);
1540                 if (!the_locking_inset)
1541                         return false;
1542                 UpdateLocal(bv, CURSOR_PAR, false);
1543                 return true;
1544         }
1545         return false;
1546 }
1547
1548
1549 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1550 {
1551         int w = UpdatableInset::getMaxWidth(bv, inset);
1552         if (w < 0) {
1553                 return w;
1554         }
1555         if (owner()) {
1556                 w = w - top_x + owner()->x();
1557                 return w;
1558         }
1559         w -= (2 * TEXT_TO_INSET_OFFSET);
1560         return w - top_x;
1561 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1562 }
1563
1564
1565 void InsetText::SetParagraphData(LyXParagraph * p)
1566 {
1567         // delete all instances of LyXText before deleting the paragraps used
1568         // by it.
1569         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1570                 delete (*cit).second;
1571                 (*cit).second = 0;
1572         }
1573
1574 #ifndef NEW_INSETS
1575         LyXParagraph * np;
1576         if (par) {
1577                 np = par->next_;
1578                 delete par;
1579                 while (np) {
1580                         par = np;
1581                         np = np->next_;
1582                         delete par;
1583                 }
1584         }
1585         par = p->Clone();
1586         par->SetInsetOwner(this);
1587         np = par;
1588         while (p->next_) {
1589                 p = p->next_;
1590                 np->next(p->Clone());
1591                 np->next_->previous(np);
1592                 np = np->next_;
1593                 np->SetInsetOwner(this);
1594         }
1595 #else
1596         while (par) {
1597                 LyXParagraph * tmp = par->next();
1598                 delete par;
1599                 par = tmp;
1600         }
1601
1602         par = p->Clone();
1603         par->SetInsetOwner(this);
1604         LyXParagraph * np = par;
1605         while (p->next()) {
1606                 p = p->next();
1607                 np->next(p->Clone());
1608                 np->next()->previous(np);
1609                 np = np->next();
1610                 np->SetInsetOwner(this);
1611         }
1612 #endif
1613         need_update = INIT;
1614 }
1615
1616
1617 void InsetText::SetText(string const & data)
1618 {
1619         clear();
1620         LyXFont font(LyXFont::ALL_SANE);
1621         for (unsigned int i=0; i < data.length(); ++i)
1622                 par->InsertChar(i, data[i], font);
1623 }
1624
1625
1626 void InsetText::SetAutoBreakRows(bool flag)
1627 {
1628         if (flag != autoBreakRows) {
1629                 autoBreakRows = flag;
1630                 need_update = FULL;
1631                 if (!flag)
1632                         removeNewlines();
1633         }
1634 }
1635
1636
1637 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1638 {
1639         if (how != drawFrame) {
1640                 drawFrame = how;
1641                 if (bv)
1642                         UpdateLocal(bv, DRAW_FRAME, false);
1643         }
1644 }
1645
1646
1647 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1648 {
1649         if (frame_color != col) {
1650                 frame_color = col;
1651                 if (bv)
1652                         UpdateLocal(bv, DRAW_FRAME, false);
1653         }
1654 }
1655
1656
1657 int InsetText::cx(BufferView * bv) const
1658 {
1659         LyXText * text = TEXT(bv);
1660         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1661         if (the_locking_inset) {
1662                 LyXFont font = text->GetFont(bv->buffer(),
1663                                              text->cursor.par(),
1664                                              text->cursor.pos());
1665                 if (font.isVisibleRightToLeft())
1666                         x -= the_locking_inset->width(bv, font);
1667         }
1668         return x;
1669 }
1670
1671
1672 int InsetText::cy(BufferView * bv) const
1673 {
1674         LyXFont font;
1675         return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1676 }
1677
1678
1679 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1680 {
1681         return TEXT(bv)->cursor.pos();
1682 }
1683
1684
1685 LyXParagraph * InsetText::cpar(BufferView * bv) const
1686 {
1687         return TEXT(bv)->cursor.par();
1688 }
1689
1690 bool InsetText::cboundary(BufferView * bv) const
1691 {
1692         return TEXT(bv)->cursor.boundary();
1693 }
1694
1695
1696 Row * InsetText::crow(BufferView * bv) const
1697 {
1698         return TEXT(bv)->cursor.row();
1699 }
1700
1701
1702 LyXText * InsetText::getLyXText(BufferView const * lbv,
1703                                 bool const recursive) const
1704 {
1705         // Super UGLY! (Lgb)
1706         BufferView * bv = const_cast<BufferView *>(lbv);
1707
1708         if ((cache.find(bv) != cache.end()) && cache[bv]) {
1709                 if (recursive && the_locking_inset)
1710                         return the_locking_inset->getLyXText(bv);
1711                 return cache[bv];
1712         }
1713         LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1714         lt->init(bv);
1715         cache[bv] = lt;
1716         if (the_locking_inset) {
1717                 lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1718                 if (recursive)
1719                         return the_locking_inset->getLyXText(bv);
1720         }
1721         return lt;
1722 }
1723
1724
1725 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1726 {
1727         if ((cache.find(bv) == cache.end()) || !cache[bv])
1728                 return;
1729         delete cache[bv];
1730         cache.erase(bv);
1731         if (recursive) {
1732                 /// then remove all LyXText in text-insets
1733                 LyXParagraph * p = par;
1734 #ifndef NEW_INSETS
1735                 for (; p; p = p->next_) {
1736                         p->deleteInsetsLyXText(bv);
1737                 }
1738 #else
1739                 for (; p; p = p->next()) {
1740                         p->deleteInsetsLyXText(bv);
1741                 }
1742 #endif
1743         }
1744 }
1745
1746
1747 void InsetText::resizeLyXText(BufferView * bv) const
1748 {
1749 #ifndef NEW_INSETS
1750         if (!par->next_ && !par->size()) // resize not neccessary!
1751 #else
1752         if (!par->next() && !par->size()) // resize not neccessary!
1753 #endif
1754                 return;
1755         if ((cache.find(bv) == cache.end()) || !cache[bv])
1756                 return;
1757
1758         LyXParagraph * lpar = 0;
1759         LyXParagraph * selstartpar = 0;
1760         LyXParagraph * selendpar = 0;
1761         LyXParagraph::size_type pos = 0;
1762         LyXParagraph::size_type selstartpos = 0;
1763         LyXParagraph::size_type selendpos = 0;
1764         bool boundary = false;
1765         bool selstartboundary = false;
1766         bool selendboundary = false;
1767         int selection = 0;
1768         int mark_set = 0;
1769
1770 //    ProhibitInput(bv);
1771
1772         if (locked) {
1773                 lpar = TEXT(bv)->cursor.par();
1774                 pos = TEXT(bv)->cursor.pos();
1775                 boundary = TEXT(bv)->cursor.boundary();
1776                 selstartpar = TEXT(bv)->sel_start_cursor.par();
1777                 selstartpos = TEXT(bv)->sel_start_cursor.pos();
1778                 selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1779                 selendpar = TEXT(bv)->sel_end_cursor.par();
1780                 selendpos = TEXT(bv)->sel_end_cursor.pos();
1781                 selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1782                 selection = TEXT(bv)->selection;
1783                 mark_set = TEXT(bv)->mark_set;
1784         }
1785         deleteLyXText(bv, (the_locking_inset == 0));
1786
1787         if (lpar) {
1788                 TEXT(bv)->selection = true;
1789                 /* at this point just to avoid the Delete-Empty-Paragraph
1790                  * Mechanism when setting the cursor */
1791                 TEXT(bv)->mark_set = mark_set;
1792                 if (selection) {
1793                         TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,
1794                                             true, selstartboundary);
1795                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1796                         TEXT(bv)->SetCursor(bv, selendpar, selendpos,
1797                                             true, selendboundary);
1798                         TEXT(bv)->SetSelection(bv);
1799                         TEXT(bv)->SetCursor(bv, lpar, pos);
1800                 } else {
1801                         TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1802                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1803                         TEXT(bv)->selection = false;
1804                 }
1805         }
1806         if (bv->screen())
1807                 TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1808         // this will scroll the screen such that the cursor becomes visible
1809         bv->updateScrollbar();
1810 //    AllowInput(bv);
1811         if (the_locking_inset) {
1812                 /// then resize all LyXText in text-insets
1813                 inset_x = cx(bv) - top_x + drawTextXOffset;
1814                 inset_y = cy(bv) + drawTextYOffset;
1815 #ifndef NEW_INSETS
1816                 for (LyXParagraph * p = par; p; p = p->next_) {
1817                         p->resizeInsetsLyXText(bv);
1818                 }
1819 #else
1820                 for (LyXParagraph * p = par; p; p = p->next()) {
1821                         p->resizeInsetsLyXText(bv);
1822                 }
1823 #endif
1824         }
1825         need_update = FULL;
1826 }
1827
1828
1829 void InsetText::removeNewlines()
1830 {
1831 #ifndef NEW_INSETS
1832         for (LyXParagraph * p = par; p; p = p->next_) {
1833                 for (int i = 0; i < p->Last(); ++i) {
1834 #else
1835         for (LyXParagraph * p = par; p; p = p->next()) {
1836                 for (int i = 0; i < p->size(); ++i) {
1837 #endif
1838                         if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1839                                 p->Erase(i);
1840                 }
1841         }
1842 }