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;
 599     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y-TEXT(bv)->first,
 600                                       button);
 601
 602     HideInsetCursor(bv);
 603     if (the_locking_inset) {
 604         if (the_locking_inset == inset) {
 605             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 606             return;
 607         } else if (inset) {
 608             // otherwise unlock the_locking_inset and lock the new inset
 609             the_locking_inset->InsetUnlock(bv);
 610             inset_x = cx(bv) - top_x + drawTextXOffset;
 611             inset_y = cy(bv) + drawTextYOffset;
 612             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 613             inset->Edit(bv, x - inset_x, y - inset_y, button);
 614             if (the_locking_inset) {
 615                 UpdateLocal(bv, CURSOR_PAR, false);
 616             }
 617             return;
 618         }
 619         // otherwise only unlock the_locking_inset
 620         the_locking_inset->InsetUnlock(bv);
 621         the_locking_inset = 0;
 622     }
 623     if (bv->theLockingInset()) {
 624         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 625             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 626             inset_x = cx(bv) - top_x + drawTextXOffset;
 627             inset_y = cy(bv) + drawTextYOffset;
 628             inset_pos = cpos(bv);
 629             inset_par = cpar(bv);
 630             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 631             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 632 //          TEXT(bv)->ClearSelection();
 633             if (the_locking_inset) {
 634                 UpdateLocal(bv, CURSOR_PAR, false);
 635             }
 636             return;
 637         }
 638     }
 639     if (!inset) {
 640         bool paste_internally = false;
 641         if ((button == 2) && TEXT(bv)->selection) {
 642             LocalDispatch(bv, LFUN_COPY, "");
 643             paste_internally = true;
 644         }
 645         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 646                                            y+insetAscent);
 647         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 648         UpdateLocal(bv, CURSOR, false);
 649         bv->owner()->setLayout(cpar(bv)->GetLayout());
 650         old_par = cpar(bv);
 651         // Insert primary selection with middle mouse
 652         // if there is a local selection in the current buffer,
 653         // insert this
 654         if (button == 2) {
 655             if (paste_internally)
 656                 LocalDispatch(bv, LFUN_PASTE, "");
 657             else
 658                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 659         }
 660     }
 661     ShowInsetCursor(bv);
 662 }
 663
 664
 665 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 666 {
 667     UpdatableInset * inset = 0;
 668
 669     if (the_locking_inset) {
 670             the_locking_inset->InsetButtonRelease(bv,
 671                                                   x - inset_x, y - inset_y,
 672                                                   button);
 673     } else {
 674         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 675             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 676             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 677                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 678             } else {
 679                 inset_x = cx(bv) - top_x + drawTextXOffset;
 680                 inset_y = cy(bv) + drawTextYOffset;
 681                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 682                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 683             }
 684             UpdateLocal(bv, CURSOR_PAR, false);
 685         }
 686     }
 687     no_selection = false;
 688 }
 689
 690
 691 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 692 {
 693     if (the_locking_inset) {
 694         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 695                                              y - inset_y,state);
 696         return;
 697     }
 698     if (!no_selection) {
 699         HideInsetCursor(bv);
 700         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 701                                            y+insetAscent);
 702         TEXT(bv)->SetSelection();
 703         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 704             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 705             UpdateLocal(bv, SELECTION, false);
 706         ShowInsetCursor(bv);
 707     }
 708     no_selection = false;
 709 }
 710
 711
 712 void InsetText::InsetKeyPress(XKeyEvent * xke)
 713 {
 714     if (the_locking_inset) {
 715         the_locking_inset->InsetKeyPress(xke);
 716         return;
 717     }
 718 }
 719
 720
 721 UpdatableInset::RESULT
 722 InsetText::LocalDispatch(BufferView * bv,
 723                          int action, string const & arg)
 724 {
 725     no_selection = false;
 726     UpdatableInset::RESULT
 727         result= UpdatableInset::LocalDispatch(bv, action, arg);
 728     if (result != UNDISPATCHED) {
 729         return DISPATCHED;
 730     }
 731
 732     result=DISPATCHED;
 733     if ((action < 0) && arg.empty())
 734         return FINISHED;
 735
 736     if (the_locking_inset) {
 737         result = the_locking_inset->LocalDispatch(bv, action, arg);
 738         if (result == DISPATCHED_NOUPDATE)
 739             return result;
 740         else if (result == DISPATCHED) {
 741             UpdateLocal(bv, CURSOR_PAR, false);
 742             return result;
 743         } else if (result == FINISHED) {
 744             switch(action) {
 745             case -1:
 746             case LFUN_RIGHT:
 747                 moveRight(bv, false);
 748                 break;
 749             case LFUN_DOWN:
 750                 moveDown(bv);
 751                 break;
 752             }
 753             the_locking_inset = 0;
 754             return DISPATCHED;
 755         }
 756     }
 757     HideInsetCursor(bv);
 758     switch (action) {
 759         // Normal chars
 760     case -1:
 761         if (bv->buffer()->isReadonly()) {
 762             LyXBell();
 763 //          setErrorMessage(N_("Document is read only"));
 764             break;
 765         }
 766         if (!arg.empty()) {
 767             /* Automatically delete the currently selected
 768              * text and replace it with what is being
 769              * typed in now. Depends on lyxrc settings
 770              * "auto_region_delete", which defaults to
 771              * true (on). */
 772
 773             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 774 #ifndef NEW_INSETS
 775                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 776                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 777 #else
 778                               bv->text->cursor.par()->previous,
 779                               bv->text->cursor.par()->next
 780 #endif
 781                     );
 782             // if an empty paragraph set the language to the surronding
 783             // paragraph language on insertion of the first character!
 784             if (!par->Last() && !par->next) {
 785                 LyXText * text = 0;
 786                 if (owner()) {
 787                     Inset * inset = owner();
 788                     while(inset && inset->getLyXText(bv) == TEXT(bv))
 789                         inset = inset->owner();
 790                     if (inset)
 791                         text = inset->getLyXText(bv);
 792                 }
 793                 if (!text)
 794                     text = bv->text;
 795                 LyXFont font(LyXFont::ALL_IGNORE);
 796                 font.setLanguage(text->cursor.par()->getParLanguage(bv->buffer()->params));
 797                 SetFont(bv, font, false);
 798             }
 799             if (lyxrc.auto_region_delete) {
 800                 if (TEXT(bv)->selection){
 801                     TEXT(bv)->CutSelection(bv, false);
 802                 }
 803             }
 804             TEXT(bv)->ClearSelection();
 805             for (string::size_type i = 0; i < arg.length(); ++i) {
 806                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 807             }
 808         }
 809         UpdateLocal(bv, CURSOR_PAR, true);
 810         result=DISPATCHED_NOUPDATE;
 811         break;
 812         // --- Cursor Movements ---------------------------------------------
 813     case LFUN_RIGHTSEL:
 814         bv->text->FinishUndo();
 815         moveRight(bv, false, true);
 816         TEXT(bv)->SetSelection();
 817         UpdateLocal(bv, SELECTION, false);
 818         break;
 819     case LFUN_RIGHT:
 820         result = moveRight(bv);
 821         bv->text->FinishUndo();
 822         TEXT(bv)->ClearSelection();
 823         UpdateLocal(bv, CURSOR, false);
 824         break;
 825     case LFUN_LEFTSEL:
 826         bv->text->FinishUndo();
 827         moveLeft(bv, false, true);
 828         TEXT(bv)->SetSelection();
 829         UpdateLocal(bv, SELECTION, false);
 830         break;
 831     case LFUN_LEFT:
 832         bv->text->FinishUndo();
 833         result= moveLeft(bv);
 834         TEXT(bv)->ClearSelection();
 835         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 836         UpdateLocal(bv, CURSOR, false);
 837         break;
 838     case LFUN_DOWNSEL:
 839         bv->text->FinishUndo();
 840         moveDown(bv);
 841         TEXT(bv)->SetSelection();
 842         UpdateLocal(bv, SELECTION, false);
 843         break;
 844     case LFUN_DOWN:
 845         bv->text->FinishUndo();
 846         result = moveDown(bv);
 847         TEXT(bv)->ClearSelection();
 848         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 849         UpdateLocal(bv, CURSOR, false);
 850         break;
 851     case LFUN_UPSEL:
 852         bv->text->FinishUndo();
 853         moveUp(bv);
 854         TEXT(bv)->SetSelection();
 855         UpdateLocal(bv, SELECTION, false);
 856         break;
 857     case LFUN_UP:
 858         bv->text->FinishUndo();
 859         result = moveUp(bv);
 860         TEXT(bv)->ClearSelection();
 861         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 862         UpdateLocal(bv, CURSOR, false);
 863         break;
 864     case LFUN_HOME:
 865         bv->text->FinishUndo();
 866         TEXT(bv)->CursorHome(bv);
 867         TEXT(bv)->ClearSelection();
 868         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 869         UpdateLocal(bv, CURSOR, false);
 870         break;
 871     case LFUN_END:
 872         TEXT(bv)->CursorEnd(bv);
 873         TEXT(bv)->ClearSelection();
 874         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 875         UpdateLocal(bv, CURSOR, false);
 876         break;
 877     case LFUN_BACKSPACE:
 878         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 879 #ifndef NEW_INSETS
 880           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 881           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 882 #else
 883           bv->text->cursor.par()->previous,
 884           bv->text->cursor.par()->next
 885 #endif
 886                 );
 887         if (TEXT(bv)->selection)
 888             TEXT(bv)->CutSelection(bv);
 889         else
 890             TEXT(bv)->Backspace(bv);
 891         UpdateLocal(bv, CURSOR_PAR, true);
 892         break;
 893     case LFUN_DELETE:
 894         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 895 #ifndef NEW_INSETS
 896           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 897           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 898 #else
 899           bv->text->cursor.par()->previous,
 900           bv->text->cursor.par()->next
 901 #endif
 902                 );
 903         if (TEXT(bv)->selection)
 904             TEXT(bv)->CutSelection(bv);
 905         else
 906             TEXT(bv)->Delete(bv);
 907         UpdateLocal(bv, CURSOR_PAR, true);
 908         break;
 909     case LFUN_CUT:
 910         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 911 #ifndef NEW_INSETS
 912           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 913           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 914 #else
 915           bv->text->cursor.par()->previous,
 916           bv->text->cursor.par()->next
 917 #endif
 918                 );
 919         TEXT(bv)->CutSelection(bv);
 920         UpdateLocal(bv, CURSOR_PAR, true);
 921         break;
 922     case LFUN_COPY:
 923         bv->text->FinishUndo();
 924         TEXT(bv)->CopySelection(bv);
 925         UpdateLocal(bv, CURSOR_PAR, false);
 926         break;
 927     case LFUN_PASTESELECTION:
 928     {
 929         string clip(bv->workarea()->getClipboard());
 930
 931         if (clip.empty())
 932             break;
 933         if (arg == "paragraph") {
 934                 TEXT(bv)->InsertStringB(bv, clip);
 935         } else {
 936                 TEXT(bv)->InsertStringA(bv, clip);
 937         }
 938         UpdateLocal(bv, CURSOR_PAR, true);
 939         break;
 940     }
 941     case LFUN_PASTE:
 942         if (!autoBreakRows) {
 943             CutAndPaste cap;
 944
 945             if (cap.nrOfParagraphs() > 1) {
 946                 WriteAlert(_("Impossible operation"),
 947                            _("Cannot include more than one paragraph!"),
 948                            _("Sorry."));
 949                 break;
 950             }
 951         }
 952         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 953 #ifndef NEW_INSETS
 954           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 955           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 956 #else
 957           bv->text->cursor.par()->previous,
 958           bv->text->cursor.par()->next
 959 #endif
 960                 );
 961         TEXT(bv)->PasteSelection(bv);
 962         UpdateLocal(bv, CURSOR_PAR, true);
 963         break;
 964     case LFUN_BREAKPARAGRAPH:
 965         if (!autoBreakRows)
 966             return DISPATCHED;
 967         TEXT(bv)->BreakParagraph(bv, 0);
 968         UpdateLocal(bv, FULL, true);
 969         break;
 970     case LFUN_BREAKLINE:
 971         if (!autoBreakRows)
 972             return DISPATCHED;
 973         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 974 #ifndef NEW_INSETS
 975             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 976             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 977 #else
 978             bv->text->cursor.par()->previous,
 979             bv->text->cursor.par()->next
 980 #endif
 981                 );
 982         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 983         UpdateLocal(bv, CURSOR_PAR, true);
 984         break;
 985     case LFUN_LAYOUT:
 986         // do not set layouts on non breakable textinsets
 987         if (autoBreakRows) {
 988             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 989
 990             // Derive layout number from given argument (string)
 991             // and current buffer's textclass (number). */
 992             LyXTextClassList::ClassList::size_type tclass =
 993                 bv->buffer()->params.textclass;
 994             std::pair <bool, LyXTextClass::size_type> layout =
 995                 textclasslist.NumberOfLayout(tclass, arg);
 996
 997             // If the entry is obsolete, use the new one instead.
 998             if (layout.first) {
 999                 string obs = textclasslist.Style(tclass,layout.second).
1000                     obsoleted_by();
1001                 if (!obs.empty())
1002                     layout = textclasslist.NumberOfLayout(tclass, obs);
1003             }
1004
1005             // see if we found the layout number:
1006             if (!layout.first) {
1007                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1008
1009                 bv->owner()->getMiniBuffer()->Set(msg);
1010                 break;
1011             }
1012
1013             if (cur_layout != layout.second) {
1014                 cur_layout = layout.second;
1015                 TEXT(bv)->SetLayout(bv, layout.second);
1016                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1017                 UpdateLocal(bv, CURSOR_PAR, true);
1018             }
1019         } else {
1020             // reset the layout box
1021             bv->owner()->setLayout(cpar(bv)->GetLayout());
1022         }
1023         break;
1024     case LFUN_PARAGRAPH_SPACING:
1025             // This one is absolutely not working. When fiddling with this
1026             // it also seems to me that the paragraphs inside the insettext
1027             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1028     {
1029             LyXParagraph * par = TEXT(bv)->cursor.par();
1030             Spacing::Space cur_spacing = par->spacing.getSpace();
1031             float cur_value = 1.0;
1032             if (cur_spacing == Spacing::Other) {
1033                     cur_value = par->spacing.getValue();
1034             }
1035
1036             std::istringstream istr(arg.c_str());
1037             string tmp;
1038             istr >> tmp;
1039             Spacing::Space new_spacing = cur_spacing;
1040             float new_value = cur_value;
1041             if (tmp.empty()) {
1042                     lyxerr << "Missing argument to `paragraph-spacing'"
1043                            << endl;
1044             } else if (tmp == "single") {
1045                     new_spacing = Spacing::Single;
1046             } else if (tmp == "onehalf") {
1047                     new_spacing = Spacing::Onehalf;
1048             } else if (tmp == "double") {
1049                     new_spacing = Spacing::Double;
1050             } else if (tmp == "other") {
1051                     new_spacing = Spacing::Other;
1052                     float tmpval = 0.0;
1053                     istr >> tmpval;
1054                     lyxerr << "new_value = " << tmpval << endl;
1055                     if (tmpval != 0.0)
1056                             new_value = tmpval;
1057             } else if (tmp == "default") {
1058                     new_spacing = Spacing::Default;
1059             } else {
1060                     lyxerr << _("Unknown spacing argument: ")
1061                            << arg << endl;
1062             }
1063             if (cur_spacing != new_spacing || cur_value != new_value) {
1064                     par->spacing.set(new_spacing, new_value);
1065                     //TEXT(bv)->RedoParagraph(owner->view());
1066                     UpdateLocal(bv, CURSOR_PAR, true);
1067                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1068             }
1069     }
1070     break;
1071
1072     default:
1073         result = UNDISPATCHED;
1074         break;
1075     }
1076     if (result != FINISHED) {
1077         ShowInsetCursor(bv);
1078     } else
1079         bv->unlockInset(this);
1080     return result;
1081 }
1082
1083
1084 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1085 {
1086     TexRow texrow;
1087     buf->latexParagraphs(os, par, 0, texrow);
1088     return texrow.rows();
1089 }
1090
1091
1092 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1093 {
1094     LyXParagraph * p = par;
1095     unsigned int lines = 0;
1096
1097     string tmp;
1098     while (p) {
1099         tmp = buf->asciiParagraph(p, linelen);
1100         lines += countChar(tmp, '\n');
1101         os << tmp;
1102         p = p->next;
1103     }
1104     return lines;
1105 }
1106
1107
1108 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1109 {
1110     LyXParagraph * p = par;
1111     unsigned int lines = 0;
1112     int desc=0;
1113
1114     string tmp;
1115     while (p) {
1116         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1117         p = p->next;
1118     }
1119
1120     return lines;
1121 }
1122
1123
1124 void InsetText::Validate(LaTeXFeatures & features) const
1125 {
1126     LyXParagraph * p = par;
1127     while(p) {
1128         p->validate(features);
1129         p = p->next;
1130     }
1131 }
1132
1133
1134 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1135 {
1136     if (textclasslist.Style(buf->params.textclass,
1137                             p->GetLayout()).labeltype != LABEL_MANUAL)
1138         return 0;
1139     else
1140         return p->BeginningOfMainBody();
1141 }
1142
1143
1144 void InsetText::GetCursorPos(BufferView * bv,
1145                              int & x, int & y) const
1146 {
1147     x = cx(bv);
1148     y = cy(bv);
1149 }
1150
1151
1152 unsigned int InsetText::InsetInInsetY()
1153 {
1154     if (!the_locking_inset)
1155         return 0;
1156
1157     return (inset_y + the_locking_inset->InsetInInsetY());
1158 }
1159
1160
1161 void InsetText::ToggleInsetCursor(BufferView * bv)
1162 {
1163     if (the_locking_inset) {
1164         the_locking_inset->ToggleInsetCursor(bv);
1165         return;
1166     }
1167
1168     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1169
1170     int asc = lyxfont::maxAscent(font);
1171     int desc = lyxfont::maxDescent(font);
1172
1173     if (cursor_visible)
1174         bv->hideLockedInsetCursor();
1175     else
1176         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1177     cursor_visible = !cursor_visible;
1178 }
1179
1180
1181 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1182 {
1183     if (the_locking_inset) {
1184         the_locking_inset->ShowInsetCursor(bv);
1185         return;
1186     }
1187     if (!cursor_visible) {
1188         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1189
1190         int asc = lyxfont::maxAscent(font);
1191         int desc = lyxfont::maxDescent(font);
1192
1193         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1194         if (show)
1195             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1196         cursor_visible = true;
1197     }
1198 }
1199
1200
1201 void InsetText::HideInsetCursor(BufferView * bv)
1202 {
1203     if (cursor_visible) {
1204         bv->hideLockedInsetCursor();
1205         cursor_visible = false;
1206     }
1207     if (the_locking_inset)
1208         the_locking_inset->HideInsetCursor(bv);
1209 }
1210
1211
1212 UpdatableInset::RESULT
1213 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1214 {
1215     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1216         return FINISHED;
1217     if (activate_inset && checkAndActivateInset(bv, false))
1218         return DISPATCHED;
1219     TEXT(bv)->CursorRight(bv, selecting);
1220     return DISPATCHED_NOUPDATE;
1221 }
1222
1223
1224 UpdatableInset::RESULT
1225 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1226 {
1227     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1228         return FINISHED;
1229     TEXT(bv)->CursorLeft(bv, selecting);
1230     if (activate_inset && checkAndActivateInset(bv, true))
1231         return DISPATCHED;
1232     return DISPATCHED_NOUPDATE;
1233 }
1234
1235
1236 UpdatableInset::RESULT
1237 InsetText::moveUp(BufferView * bv)
1238 {
1239     if (!crow(bv)->previous())
1240         return FINISHED;
1241     TEXT(bv)->CursorUp(bv);
1242     return DISPATCHED_NOUPDATE;
1243 }
1244
1245
1246 UpdatableInset::RESULT
1247 InsetText::moveDown(BufferView * bv)
1248 {
1249     if (!crow(bv)->next())
1250         return FINISHED;
1251     TEXT(bv)->CursorDown(bv);
1252     return DISPATCHED_NOUPDATE;
1253 }
1254
1255
1256 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1257 {
1258     if (the_locking_inset) {
1259         if (the_locking_inset->InsertInsetAllowed(inset))
1260             return the_locking_inset->InsertInset(bv, inset);
1261         return false;
1262     }
1263     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1264 #ifndef NEW_INSETS
1265               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1266               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1267 #else
1268               bv->text->cursor.par()->previous,
1269               bv->text->cursor.par()->next
1270 #endif
1271             );
1272     inset->setOwner(this);
1273     HideInsetCursor(bv);
1274     TEXT(bv)->InsertInset(bv, inset);
1275     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1276         (cpar(bv)->GetInset(cpos(bv)) != inset))
1277         TEXT(bv)->CursorLeft(bv);
1278     TEXT(bv)->selection = 0;
1279     bv->fitCursor(TEXT(bv));
1280     UpdateLocal(bv, CURSOR_PAR, true);
1281     ShowInsetCursor(bv);
1282     return true;
1283 }
1284
1285
1286 UpdatableInset * InsetText::GetLockingInset()
1287 {
1288     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1289 }
1290
1291
1292 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1293 {
1294     if (c == LyxCode())
1295         return this;
1296     if (the_locking_inset)
1297         return the_locking_inset->GetFirstLockingInsetOfType(c);
1298     return 0;
1299 }
1300
1301
1302 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1303 {
1304     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1305 #ifndef NEW_INSETS
1306               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1307               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1308 #else
1309               bv->text->cursor.par()->previous,
1310               bv->text->cursor.par()->next
1311 #endif
1312             );
1313     TEXT(bv)->SetFont(bv, font, toggleall);
1314     bv->fitCursor(TEXT(bv));
1315     UpdateLocal(bv, CURSOR_PAR, true);
1316 }
1317
1318
1319 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1320 {
1321     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1322         unsigned int x;
1323         unsigned int y;
1324         Inset * inset =
1325             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1326         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1327             return false;
1328         LyXFont const font =
1329                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1330         if (behind) {
1331             x = inset->width(bv, font);
1332             y = inset->descent(bv, font);
1333         } else {
1334             x = y = 0;
1335         }
1336         inset_x = cx(bv) - top_x + drawTextXOffset;
1337         inset_y = cy(bv) + drawTextYOffset;
1338         inset->Edit(bv, x - inset_x, y - inset_y, 0);
1339         if (!the_locking_inset)
1340             return false;
1341         UpdateLocal(bv, CURSOR_PAR, false);
1342         return true;
1343     }
1344     return false;
1345 }
1346
1347
1348 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1349                                       int button)
1350 {
1351     x = x - drawTextXOffset;
1352     y = y + insetAscent;
1353     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1354
1355     if (inset) {
1356         if (x < 0)
1357             x = insetWidth;
1358         if (y < 0)
1359             y = insetDescent;
1360         inset_x = cx(bv) - top_x + drawTextXOffset;
1361         inset_y = cy(bv) + drawTextYOffset;
1362         inset->Edit(bv, x - inset_x, y - inset_y, button);
1363         if (!the_locking_inset)
1364             return false;
1365         UpdateLocal(bv, CURSOR_PAR, false);
1366         return true;
1367     }
1368     return false;
1369 }
1370
1371
1372 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1373 {
1374     int w = UpdatableInset::getMaxWidth(pain, inset);
1375     if (w < 0) {
1376         return w;
1377     }
1378     if (owner()) {
1379         w = w - top_x + owner()->x();
1380         return w;
1381     }
1382     w -= (2 * TEXT_TO_INSET_OFFSET);
1383     return w - top_x;
1384 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1385 }
1386
1387
1388 void InsetText::SetParagraphData(LyXParagraph *p)
1389 {
1390     // delete all instances of LyXText before deleting the paragraps used
1391     // by it.
1392     for(Cache::const_iterator cit = cache.begin(); cit != cache.end(); ++cit)
1393         delete (*cit).second;
1394
1395     LyXParagraph * np;
1396     if (par) {
1397         np = par->next;
1398         delete par;
1399         while(np) {
1400             par = np;
1401             np = np->next;
1402             delete par;
1403         }
1404     }
1405     par = p->Clone();
1406     par->SetInsetOwner(this);
1407     np = par;
1408     while(p->next) {
1409         p = p->next;
1410         np->next = p->Clone();
1411         np->next->previous = np;
1412         np = np->next;
1413         np->SetInsetOwner(this);
1414     }
1415     need_update = INIT;
1416 }
1417
1418
1419 void InsetText::SetAutoBreakRows(bool flag)
1420 {
1421     if (flag != autoBreakRows) {
1422         autoBreakRows = flag;
1423         need_update = FULL;
1424         if (!flag)
1425             removeNewlines();
1426     }
1427 }
1428
1429
1430 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1431 {
1432     if (how != drawFrame) {
1433         drawFrame = how;
1434         if (bv)
1435             UpdateLocal(bv, DRAW_FRAME, false);
1436     }
1437 }
1438
1439
1440 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1441 {
1442     if (frame_color != col) {
1443         frame_color = col;
1444         if (bv)
1445             UpdateLocal(bv, DRAW_FRAME, false);
1446     }
1447 }
1448
1449 #if 0
1450 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1451 {
1452     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1453 }
1454 #endif
1455
1456
1457 int InsetText::cx(BufferView * bv) const
1458 {
1459     return TEXT(bv)->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1460 }
1461
1462
1463 int InsetText::cy(BufferView * bv) const
1464 {
1465     LyXFont font;
1466     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1467 }
1468
1469
1470 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1471 {
1472     return TEXT(bv)->cursor.pos();
1473 }
1474
1475
1476 LyXParagraph * InsetText::cpar(BufferView * bv) const
1477 {
1478     return TEXT(bv)->cursor.par();
1479 }
1480
1481
1482 Row * InsetText::crow(BufferView * bv) const
1483 {
1484     return TEXT(bv)->cursor.row();
1485 }
1486
1487
1488 LyXText * InsetText::getLyXText(BufferView * bv) const
1489 {
1490     if (cache.find(bv) != cache.end())
1491         return cache[bv];
1492     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1493     lt->init(bv);
1494     cache[bv] = lt;
1495     if (the_locking_inset) {
1496         lt->SetCursor(bv, inset_par, inset_pos);
1497     }
1498     return lt;
1499 }
1500
1501
1502 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1503 {
1504     if (cache.find(bv) == cache.end())
1505         return;
1506     delete cache[bv];
1507     cache.erase(bv);
1508     if (recursive) {
1509         /// then remove all LyXText in text-insets
1510         LyXParagraph * p = par;
1511         for(;p;p = p->next) {
1512             p->deleteInsetsLyXText(bv);
1513         }
1514     }
1515 }
1516
1517
1518 void InsetText::resizeLyXText(BufferView * bv) const
1519 {
1520     if (!par->next && !par->size()) // resize not neccessary!
1521         return;
1522     if (cache.find(bv) == cache.end())
1523         return;
1524
1525     LyXParagraph * lpar = 0;
1526     LyXParagraph * selstartpar = 0;
1527     LyXParagraph * selendpar = 0;
1528     LyXParagraph::size_type pos = 0;
1529     LyXParagraph::size_type selstartpos = 0;
1530     LyXParagraph::size_type selendpos = 0;
1531     int selection = 0;
1532     int mark_set = 0;
1533
1534 //    ProhibitInput(bv);
1535
1536     if (locked) {
1537         lpar = TEXT(bv)->cursor.par();
1538         pos = TEXT(bv)->cursor.pos();
1539         selstartpar = TEXT(bv)->sel_start_cursor.par();
1540         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1541         selendpar = TEXT(bv)->sel_end_cursor.par();
1542         selendpos = TEXT(bv)->sel_end_cursor.pos();
1543         selection = TEXT(bv)->selection;
1544         mark_set = TEXT(bv)->mark_set;
1545     }
1546     deleteLyXText(bv, (the_locking_inset == 0));
1547
1548     if (lpar) {
1549         TEXT(bv)->selection = true;
1550         /* at this point just to avoid the Delete-Empty-Paragraph
1551          * Mechanism when setting the cursor */
1552         TEXT(bv)->mark_set = mark_set;
1553         if (selection) {
1554             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos);
1555             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1556             TEXT(bv)->SetCursor(bv, selendpar, selendpos);
1557             TEXT(bv)->SetSelection();
1558             TEXT(bv)->SetCursor(bv, lpar, pos);
1559         } else {
1560             TEXT(bv)->SetCursor(bv, lpar, pos);
1561             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1562             TEXT(bv)->selection = false;
1563         }
1564     }
1565     if (bv->screen())
1566             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1567     // this will scroll the screen such that the cursor becomes visible
1568     bv->updateScrollbar();
1569 //    AllowInput(bv);
1570     if (the_locking_inset) {
1571         /// then resize all LyXText in text-insets
1572         inset_x = cx(bv) - top_x + drawTextXOffset;
1573         inset_y = cy(bv) + drawTextYOffset;
1574         for(LyXParagraph * p = par; p; p = p->next) {
1575             p->resizeInsetsLyXText(bv);
1576         }
1577     }
1578     need_update = FULL;
1579 }
1580
1581
1582 void InsetText::removeNewlines()
1583 {
1584     for(LyXParagraph * p = par; p; p = p->next) {
1585         for(int i = 0; i < p->Last(); ++i) {
1586             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1587                 p->Erase(i);
1588         }
1589     }
1590 }