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