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             the_locking_inset = static_cast<UpdatableInset*>(inset);
 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             the_locking_inset = uinset;
 631             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 632             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 633 //          TEXT(bv)->ClearSelection();
 634             if (the_locking_inset) {
 635                 UpdateLocal(bv, CURSOR_PAR, false);
 636             }
 637             return;
 638         }
 639     }
 640     if (!inset) {
 641         bool paste_internally = false;
 642         if ((button == 2) && TEXT(bv)->selection) {
 643             LocalDispatch(bv, LFUN_COPY, "");
 644             paste_internally = true;
 645         }
 646         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 647                                            y + insetAscent);
 648         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 649         UpdateLocal(bv, CURSOR, false);
 650         bv->owner()->setLayout(cpar(bv)->GetLayout());
 651         old_par = cpar(bv);
 652         // Insert primary selection with middle mouse
 653         // if there is a local selection in the current buffer,
 654         // insert this
 655         if (button == 2) {
 656             if (paste_internally)
 657                 LocalDispatch(bv, LFUN_PASTE, "");
 658             else
 659                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 660         }
 661     }
 662     ShowInsetCursor(bv);
 663 }
 664
 665
 666 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 667 {
 668     UpdatableInset * inset = 0;
 669
 670     if (the_locking_inset) {
 671             the_locking_inset->InsetButtonRelease(bv,
 672                                                   x - inset_x, y - inset_y,
 673                                                   button);
 674     } else {
 675         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 676             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 677             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 678                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 679             } else {
 680                 inset_x = cx(bv) - top_x + drawTextXOffset;
 681                 inset_y = cy(bv) + drawTextYOffset;
 682                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 683                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 684             }
 685             UpdateLocal(bv, CURSOR_PAR, false);
 686         }
 687     }
 688     no_selection = false;
 689 }
 690
 691
 692 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 693 {
 694     if (the_locking_inset) {
 695         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 696                                              y - inset_y,state);
 697         return;
 698     }
 699     if (!no_selection) {
 700         HideInsetCursor(bv);
 701         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 702                                            y+insetAscent);
 703         TEXT(bv)->SetSelection();
 704         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 705             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 706             UpdateLocal(bv, SELECTION, false);
 707         ShowInsetCursor(bv);
 708     }
 709     no_selection = false;
 710 }
 711
 712
 713 void InsetText::InsetKeyPress(XKeyEvent * xke)
 714 {
 715     if (the_locking_inset) {
 716         the_locking_inset->InsetKeyPress(xke);
 717         return;
 718     }
 719 }
 720
 721
 722 UpdatableInset::RESULT
 723 InsetText::LocalDispatch(BufferView * bv,
 724                          int action, string const & arg)
 725 {
 726     no_selection = false;
 727     UpdatableInset::RESULT
 728         result= UpdatableInset::LocalDispatch(bv, action, arg);
 729     if (result != UNDISPATCHED) {
 730         return DISPATCHED;
 731     }
 732
 733     result=DISPATCHED;
 734     if ((action < 0) && arg.empty())
 735         return FINISHED;
 736
 737     if (the_locking_inset) {
 738         result = the_locking_inset->LocalDispatch(bv, action, arg);
 739         if (result == DISPATCHED_NOUPDATE)
 740             return result;
 741         else if (result == DISPATCHED) {
 742             UpdateLocal(bv, CURSOR_PAR, false);
 743             return result;
 744         } else if (result == FINISHED) {
 745             switch (action) {
 746             case -1:
 747             case LFUN_RIGHT:
 748                 moveRight(bv, false);
 749                 break;
 750             case LFUN_DOWN:
 751                 moveDown(bv);
 752                 break;
 753             }
 754             the_locking_inset = 0;
 755             return DISPATCHED;
 756         }
 757     }
 758     HideInsetCursor(bv);
 759     switch (action) {
 760         // Normal chars
 761     case -1:
 762         if (bv->buffer()->isReadonly()) {
 763             LyXBell();
 764 //          setErrorMessage(N_("Document is read only"));
 765             break;
 766         }
 767         if (!arg.empty()) {
 768             /* Automatically delete the currently selected
 769              * text and replace it with what is being
 770              * typed in now. Depends on lyxrc settings
 771              * "auto_region_delete", which defaults to
 772              * true (on). */
 773
 774             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 775 #ifndef NEW_INSETS
 776                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 777                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 778 #else
 779                               bv->text->cursor.par()->previous,
 780                               bv->text->cursor.par()->next
 781 #endif
 782                     );
 783             // if an empty paragraph set the language to the surronding
 784             // paragraph language on insertion of the first character!
 785             if (!par->Last() && !par->next) {
 786                 LyXText * text = 0;
 787                 if (owner()) {
 788                     Inset * inset = owner();
 789                     while(inset && inset->getLyXText(bv) == TEXT(bv))
 790                         inset = inset->owner();
 791                     if (inset)
 792                         text = inset->getLyXText(bv);
 793                 }
 794                 if (!text)
 795                     text = bv->text;
 796                 LyXFont font(LyXFont::ALL_IGNORE);
 797                 font.setLanguage(text->cursor.par()->getParLanguage(bv->buffer()->params));
 798                 SetFont(bv, font, false);
 799             }
 800             if (lyxrc.auto_region_delete) {
 801                 if (TEXT(bv)->selection){
 802                     TEXT(bv)->CutSelection(bv, false);
 803                 }
 804             }
 805             TEXT(bv)->ClearSelection();
 806             for (string::size_type i = 0; i < arg.length(); ++i) {
 807                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 808             }
 809         }
 810         UpdateLocal(bv, CURSOR_PAR, true);
 811         result=DISPATCHED_NOUPDATE;
 812         break;
 813         // --- Cursor Movements ---------------------------------------------
 814     case LFUN_RIGHTSEL:
 815         bv->text->FinishUndo();
 816         moveRight(bv, false, true);
 817         TEXT(bv)->SetSelection();
 818         UpdateLocal(bv, SELECTION, false);
 819         break;
 820     case LFUN_RIGHT:
 821         result = moveRight(bv);
 822         bv->text->FinishUndo();
 823         TEXT(bv)->ClearSelection();
 824         UpdateLocal(bv, CURSOR, false);
 825         break;
 826     case LFUN_LEFTSEL:
 827         bv->text->FinishUndo();
 828         moveLeft(bv, false, true);
 829         TEXT(bv)->SetSelection();
 830         UpdateLocal(bv, SELECTION, false);
 831         break;
 832     case LFUN_LEFT:
 833         bv->text->FinishUndo();
 834         result= moveLeft(bv);
 835         TEXT(bv)->ClearSelection();
 836         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 837         UpdateLocal(bv, CURSOR, false);
 838         break;
 839     case LFUN_DOWNSEL:
 840         bv->text->FinishUndo();
 841         moveDown(bv);
 842         TEXT(bv)->SetSelection();
 843         UpdateLocal(bv, SELECTION, false);
 844         break;
 845     case LFUN_DOWN:
 846         bv->text->FinishUndo();
 847         result = moveDown(bv);
 848         TEXT(bv)->ClearSelection();
 849         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 850         UpdateLocal(bv, CURSOR, false);
 851         break;
 852     case LFUN_UPSEL:
 853         bv->text->FinishUndo();
 854         moveUp(bv);
 855         TEXT(bv)->SetSelection();
 856         UpdateLocal(bv, SELECTION, false);
 857         break;
 858     case LFUN_UP:
 859         bv->text->FinishUndo();
 860         result = moveUp(bv);
 861         TEXT(bv)->ClearSelection();
 862         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 863         UpdateLocal(bv, CURSOR, false);
 864         break;
 865     case LFUN_HOME:
 866         bv->text->FinishUndo();
 867         TEXT(bv)->CursorHome(bv);
 868         TEXT(bv)->ClearSelection();
 869         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 870         UpdateLocal(bv, CURSOR, false);
 871         break;
 872     case LFUN_END:
 873         TEXT(bv)->CursorEnd(bv);
 874         TEXT(bv)->ClearSelection();
 875         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 876         UpdateLocal(bv, CURSOR, false);
 877         break;
 878     case LFUN_BACKSPACE:
 879         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 880 #ifndef NEW_INSETS
 881           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 882           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 883 #else
 884           bv->text->cursor.par()->previous,
 885           bv->text->cursor.par()->next
 886 #endif
 887                 );
 888         if (TEXT(bv)->selection)
 889             TEXT(bv)->CutSelection(bv);
 890         else
 891             TEXT(bv)->Backspace(bv);
 892         UpdateLocal(bv, CURSOR_PAR, true);
 893         break;
 894     case LFUN_DELETE:
 895         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 896 #ifndef NEW_INSETS
 897           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 898           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 899 #else
 900           bv->text->cursor.par()->previous,
 901           bv->text->cursor.par()->next
 902 #endif
 903                 );
 904         if (TEXT(bv)->selection)
 905             TEXT(bv)->CutSelection(bv);
 906         else
 907             TEXT(bv)->Delete(bv);
 908         UpdateLocal(bv, CURSOR_PAR, true);
 909         break;
 910     case LFUN_CUT:
 911         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 912 #ifndef NEW_INSETS
 913           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 914           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 915 #else
 916           bv->text->cursor.par()->previous,
 917           bv->text->cursor.par()->next
 918 #endif
 919                 );
 920         TEXT(bv)->CutSelection(bv);
 921         UpdateLocal(bv, CURSOR_PAR, true);
 922         break;
 923     case LFUN_COPY:
 924         bv->text->FinishUndo();
 925         TEXT(bv)->CopySelection(bv);
 926         UpdateLocal(bv, CURSOR_PAR, false);
 927         break;
 928     case LFUN_PASTESELECTION:
 929     {
 930         string clip(bv->workarea()->getClipboard());
 931
 932         if (clip.empty())
 933             break;
 934         if (arg == "paragraph") {
 935                 TEXT(bv)->InsertStringB(bv, clip);
 936         } else {
 937                 TEXT(bv)->InsertStringA(bv, clip);
 938         }
 939         UpdateLocal(bv, CURSOR_PAR, true);
 940         break;
 941     }
 942     case LFUN_PASTE:
 943         if (!autoBreakRows) {
 944             CutAndPaste cap;
 945
 946             if (cap.nrOfParagraphs() > 1) {
 947                 WriteAlert(_("Impossible operation"),
 948                            _("Cannot include more than one paragraph!"),
 949                            _("Sorry."));
 950                 break;
 951             }
 952         }
 953         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 954 #ifndef NEW_INSETS
 955           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 956           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 957 #else
 958           bv->text->cursor.par()->previous,
 959           bv->text->cursor.par()->next
 960 #endif
 961                 );
 962         TEXT(bv)->PasteSelection(bv);
 963         UpdateLocal(bv, CURSOR_PAR, true);
 964         break;
 965     case LFUN_BREAKPARAGRAPH:
 966         if (!autoBreakRows)
 967             return DISPATCHED;
 968         TEXT(bv)->BreakParagraph(bv, 0);
 969         UpdateLocal(bv, FULL, true);
 970         break;
 971     case LFUN_BREAKLINE:
 972         if (!autoBreakRows)
 973             return DISPATCHED;
 974         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 975 #ifndef NEW_INSETS
 976             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 977             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 978 #else
 979             bv->text->cursor.par()->previous,
 980             bv->text->cursor.par()->next
 981 #endif
 982                 );
 983         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 984         UpdateLocal(bv, CURSOR_PAR, true);
 985         break;
 986     case LFUN_LAYOUT:
 987         // do not set layouts on non breakable textinsets
 988         if (autoBreakRows) {
 989             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 990
 991             // Derive layout number from given argument (string)
 992             // and current buffer's textclass (number). */
 993             LyXTextClassList::ClassList::size_type tclass =
 994                 bv->buffer()->params.textclass;
 995             std::pair <bool, LyXTextClass::size_type> layout =
 996                 textclasslist.NumberOfLayout(tclass, arg);
 997
 998             // If the entry is obsolete, use the new one instead.
 999             if (layout.first) {
1000                 string obs = textclasslist.Style(tclass,layout.second).
1001                     obsoleted_by();
1002                 if (!obs.empty())
1003                     layout = textclasslist.NumberOfLayout(tclass, obs);
1004             }
1005
1006             // see if we found the layout number:
1007             if (!layout.first) {
1008                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1009
1010                 bv->owner()->getMiniBuffer()->Set(msg);
1011                 break;
1012             }
1013
1014             if (cur_layout != layout.second) {
1015                 cur_layout = layout.second;
1016                 TEXT(bv)->SetLayout(bv, layout.second);
1017                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1018                 UpdateLocal(bv, CURSOR_PAR, true);
1019             }
1020         } else {
1021             // reset the layout box
1022             bv->owner()->setLayout(cpar(bv)->GetLayout());
1023         }
1024         break;
1025     case LFUN_PARAGRAPH_SPACING:
1026             // This one is absolutely not working. When fiddling with this
1027             // it also seems to me that the paragraphs inside the insettext
1028             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1029     {
1030             LyXParagraph * par = TEXT(bv)->cursor.par();
1031             Spacing::Space cur_spacing = par->spacing.getSpace();
1032             float cur_value = 1.0;
1033             if (cur_spacing == Spacing::Other) {
1034                     cur_value = par->spacing.getValue();
1035             }
1036
1037             std::istringstream istr(arg.c_str());
1038             string tmp;
1039             istr >> tmp;
1040             Spacing::Space new_spacing = cur_spacing;
1041             float new_value = cur_value;
1042             if (tmp.empty()) {
1043                     lyxerr << "Missing argument to `paragraph-spacing'"
1044                            << endl;
1045             } else if (tmp == "single") {
1046                     new_spacing = Spacing::Single;
1047             } else if (tmp == "onehalf") {
1048                     new_spacing = Spacing::Onehalf;
1049             } else if (tmp == "double") {
1050                     new_spacing = Spacing::Double;
1051             } else if (tmp == "other") {
1052                     new_spacing = Spacing::Other;
1053                     float tmpval = 0.0;
1054                     istr >> tmpval;
1055                     lyxerr << "new_value = " << tmpval << endl;
1056                     if (tmpval != 0.0)
1057                             new_value = tmpval;
1058             } else if (tmp == "default") {
1059                     new_spacing = Spacing::Default;
1060             } else {
1061                     lyxerr << _("Unknown spacing argument: ")
1062                            << arg << endl;
1063             }
1064             if (cur_spacing != new_spacing || cur_value != new_value) {
1065                     par->spacing.set(new_spacing, new_value);
1066                     //TEXT(bv)->RedoParagraph(owner->view());
1067                     UpdateLocal(bv, CURSOR_PAR, true);
1068                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1069             }
1070     }
1071     break;
1072
1073     default:
1074         result = UNDISPATCHED;
1075         break;
1076     }
1077     if (result != FINISHED) {
1078         ShowInsetCursor(bv);
1079     } else
1080         bv->unlockInset(this);
1081     return result;
1082 }
1083
1084
1085 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1086 {
1087     TexRow texrow;
1088     buf->latexParagraphs(os, par, 0, texrow);
1089     return texrow.rows();
1090 }
1091
1092
1093 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1094 {
1095     LyXParagraph * p = par;
1096     unsigned int lines = 0;
1097
1098     string tmp;
1099     while (p) {
1100         tmp = buf->asciiParagraph(p, linelen);
1101         lines += countChar(tmp, '\n');
1102         os << tmp;
1103         p = p->next;
1104     }
1105     return lines;
1106 }
1107
1108
1109 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1110 {
1111     LyXParagraph * p = par;
1112     unsigned int lines = 0;
1113     int desc=0;
1114
1115     string tmp;
1116     while (p) {
1117         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1118         p = p->next;
1119     }
1120
1121     return lines;
1122 }
1123
1124
1125 void InsetText::Validate(LaTeXFeatures & features) const
1126 {
1127     LyXParagraph * p = par;
1128     while(p) {
1129         p->validate(features);
1130         p = p->next;
1131     }
1132 }
1133
1134
1135 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1136 {
1137     if (textclasslist.Style(buf->params.textclass,
1138                             p->GetLayout()).labeltype != LABEL_MANUAL)
1139         return 0;
1140     else
1141         return p->BeginningOfMainBody();
1142 }
1143
1144
1145 void InsetText::GetCursorPos(BufferView * bv,
1146                              int & x, int & y) const
1147 {
1148     x = cx(bv);
1149     y = cy(bv);
1150 }
1151
1152
1153 unsigned int InsetText::InsetInInsetY()
1154 {
1155     if (!the_locking_inset)
1156         return 0;
1157
1158     return (inset_y + the_locking_inset->InsetInInsetY());
1159 }
1160
1161
1162 void InsetText::ToggleInsetCursor(BufferView * bv)
1163 {
1164     if (the_locking_inset) {
1165         the_locking_inset->ToggleInsetCursor(bv);
1166         return;
1167     }
1168
1169     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1170
1171     int asc = lyxfont::maxAscent(font);
1172     int desc = lyxfont::maxDescent(font);
1173
1174     if (cursor_visible)
1175         bv->hideLockedInsetCursor();
1176     else
1177         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1178     cursor_visible = !cursor_visible;
1179 }
1180
1181
1182 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1183 {
1184     if (the_locking_inset) {
1185         the_locking_inset->ShowInsetCursor(bv);
1186         return;
1187     }
1188     if (!cursor_visible) {
1189         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1190
1191         int asc = lyxfont::maxAscent(font);
1192         int desc = lyxfont::maxDescent(font);
1193
1194         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1195         if (show)
1196             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1197         cursor_visible = true;
1198     }
1199 }
1200
1201
1202 void InsetText::HideInsetCursor(BufferView * bv)
1203 {
1204     if (cursor_visible) {
1205         bv->hideLockedInsetCursor();
1206         cursor_visible = false;
1207     }
1208     if (the_locking_inset)
1209         the_locking_inset->HideInsetCursor(bv);
1210 }
1211
1212
1213 UpdatableInset::RESULT
1214 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1215 {
1216     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1217         return FINISHED;
1218     if (activate_inset && checkAndActivateInset(bv, false))
1219         return DISPATCHED;
1220     TEXT(bv)->CursorRight(bv, selecting);
1221     return DISPATCHED_NOUPDATE;
1222 }
1223
1224
1225 UpdatableInset::RESULT
1226 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1227 {
1228     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1229         return FINISHED;
1230     TEXT(bv)->CursorLeft(bv, selecting);
1231     if (activate_inset && checkAndActivateInset(bv, true))
1232         return DISPATCHED;
1233     return DISPATCHED_NOUPDATE;
1234 }
1235
1236
1237 UpdatableInset::RESULT
1238 InsetText::moveUp(BufferView * bv)
1239 {
1240     if (!crow(bv)->previous())
1241         return FINISHED;
1242     TEXT(bv)->CursorUp(bv);
1243     return DISPATCHED_NOUPDATE;
1244 }
1245
1246
1247 UpdatableInset::RESULT
1248 InsetText::moveDown(BufferView * bv)
1249 {
1250     if (!crow(bv)->next())
1251         return FINISHED;
1252     TEXT(bv)->CursorDown(bv);
1253     return DISPATCHED_NOUPDATE;
1254 }
1255
1256
1257 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1258 {
1259     if (the_locking_inset) {
1260         if (the_locking_inset->InsertInsetAllowed(inset))
1261             return the_locking_inset->InsertInset(bv, inset);
1262         return false;
1263     }
1264     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1265 #ifndef NEW_INSETS
1266               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1267               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1268 #else
1269               bv->text->cursor.par()->previous,
1270               bv->text->cursor.par()->next
1271 #endif
1272             );
1273     inset->setOwner(this);
1274     HideInsetCursor(bv);
1275     TEXT(bv)->InsertInset(bv, inset);
1276     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1277         (cpar(bv)->GetInset(cpos(bv)) != inset))
1278         TEXT(bv)->CursorLeft(bv);
1279     TEXT(bv)->selection = 0;
1280     bv->fitCursor(TEXT(bv));
1281     UpdateLocal(bv, CURSOR_PAR, true);
1282     ShowInsetCursor(bv);
1283     return true;
1284 }
1285
1286
1287 UpdatableInset * InsetText::GetLockingInset()
1288 {
1289     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1290 }
1291
1292
1293 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1294 {
1295     if (c == LyxCode())
1296         return this;
1297     if (the_locking_inset)
1298         return the_locking_inset->GetFirstLockingInsetOfType(c);
1299     return 0;
1300 }
1301
1302
1303 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1304 {
1305     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1306 #ifndef NEW_INSETS
1307               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1308               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1309 #else
1310               bv->text->cursor.par()->previous,
1311               bv->text->cursor.par()->next
1312 #endif
1313             );
1314     TEXT(bv)->SetFont(bv, font, toggleall);
1315     bv->fitCursor(TEXT(bv));
1316     UpdateLocal(bv, CURSOR_PAR, true);
1317 }
1318
1319
1320 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1321 {
1322     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1323         unsigned int x;
1324         unsigned int y;
1325         Inset * inset =
1326             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1327         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1328             return false;
1329         LyXFont const font =
1330                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1331         if (behind) {
1332             x = inset->width(bv, font);
1333             y = inset->descent(bv, font);
1334         } else {
1335             x = y = 0;
1336         }
1337         inset_x = cx(bv) - top_x + drawTextXOffset;
1338         inset_y = cy(bv) + drawTextYOffset;
1339         inset->Edit(bv, x - inset_x, y - inset_y, 0);
1340         if (!the_locking_inset)
1341             return false;
1342         UpdateLocal(bv, CURSOR_PAR, false);
1343         return true;
1344     }
1345     return false;
1346 }
1347
1348
1349 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1350                                       int button)
1351 {
1352     x = x - drawTextXOffset;
1353     y = y + insetAscent;
1354     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1355
1356     if (inset) {
1357         if (x < 0)
1358             x = insetWidth;
1359         if (y < 0)
1360             y = insetDescent;
1361         inset_x = cx(bv) - top_x + drawTextXOffset;
1362         inset_y = cy(bv) + drawTextYOffset;
1363         inset->Edit(bv, x - inset_x, y - inset_y, button);
1364         if (!the_locking_inset)
1365             return false;
1366         UpdateLocal(bv, CURSOR_PAR, false);
1367         return true;
1368     }
1369     return false;
1370 }
1371
1372
1373 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1374 {
1375     int w = UpdatableInset::getMaxWidth(pain, inset);
1376     if (w < 0) {
1377         return w;
1378     }
1379     if (owner()) {
1380         w = w - top_x + owner()->x();
1381         return w;
1382     }
1383     w -= (2 * TEXT_TO_INSET_OFFSET);
1384     return w - top_x;
1385 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1386 }
1387
1388
1389 void InsetText::SetParagraphData(LyXParagraph *p)
1390 {
1391     // delete all instances of LyXText before deleting the paragraps used
1392     // by it.
1393     for (Cache::const_iterator cit = cache.begin(); cit != cache.end(); ++cit)
1394         delete (*cit).second;
1395
1396     LyXParagraph * np;
1397     if (par) {
1398         np = par->next;
1399         delete par;
1400         while(np) {
1401             par = np;
1402             np = np->next;
1403             delete par;
1404         }
1405     }
1406     par = p->Clone();
1407     par->SetInsetOwner(this);
1408     np = par;
1409     while(p->next) {
1410         p = p->next;
1411         np->next = p->Clone();
1412         np->next->previous = np;
1413         np = np->next;
1414         np->SetInsetOwner(this);
1415     }
1416     need_update = INIT;
1417 }
1418
1419
1420 void InsetText::SetAutoBreakRows(bool flag)
1421 {
1422     if (flag != autoBreakRows) {
1423         autoBreakRows = flag;
1424         need_update = FULL;
1425         if (!flag)
1426             removeNewlines();
1427     }
1428 }
1429
1430
1431 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1432 {
1433     if (how != drawFrame) {
1434         drawFrame = how;
1435         if (bv)
1436             UpdateLocal(bv, DRAW_FRAME, false);
1437     }
1438 }
1439
1440
1441 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1442 {
1443     if (frame_color != col) {
1444         frame_color = col;
1445         if (bv)
1446             UpdateLocal(bv, DRAW_FRAME, false);
1447     }
1448 }
1449
1450 #if 0
1451 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1452 {
1453     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1454 }
1455 #endif
1456
1457
1458 int InsetText::cx(BufferView * bv) const
1459 {
1460     return TEXT(bv)->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1461 }
1462
1463
1464 int InsetText::cy(BufferView * bv) const
1465 {
1466     LyXFont font;
1467     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1468 }
1469
1470
1471 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1472 {
1473     return TEXT(bv)->cursor.pos();
1474 }
1475
1476
1477 LyXParagraph * InsetText::cpar(BufferView * bv) const
1478 {
1479     return TEXT(bv)->cursor.par();
1480 }
1481
1482
1483 Row * InsetText::crow(BufferView * bv) const
1484 {
1485     return TEXT(bv)->cursor.row();
1486 }
1487
1488
1489 LyXText * InsetText::getLyXText(BufferView * bv) const
1490 {
1491     if (cache.find(bv) != cache.end())
1492         return cache[bv];
1493     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1494     lt->init(bv);
1495     cache[bv] = lt;
1496     if (the_locking_inset) {
1497         lt->SetCursor(bv, inset_par, inset_pos);
1498     }
1499     return lt;
1500 }
1501
1502
1503 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1504 {
1505     if (cache.find(bv) == cache.end())
1506         return;
1507     delete cache[bv];
1508     cache.erase(bv);
1509     if (recursive) {
1510         /// then remove all LyXText in text-insets
1511         LyXParagraph * p = par;
1512         for (;p;p = p->next) {
1513             p->deleteInsetsLyXText(bv);
1514         }
1515     }
1516 }
1517
1518
1519 void InsetText::resizeLyXText(BufferView * bv) const
1520 {
1521     if (!par->next && !par->size()) // resize not neccessary!
1522         return;
1523     if (cache.find(bv) == cache.end())
1524         return;
1525
1526     LyXParagraph * lpar = 0;
1527     LyXParagraph * selstartpar = 0;
1528     LyXParagraph * selendpar = 0;
1529     LyXParagraph::size_type pos = 0;
1530     LyXParagraph::size_type selstartpos = 0;
1531     LyXParagraph::size_type selendpos = 0;
1532     int selection = 0;
1533     int mark_set = 0;
1534
1535 //    ProhibitInput(bv);
1536
1537     if (locked) {
1538         lpar = TEXT(bv)->cursor.par();
1539         pos = TEXT(bv)->cursor.pos();
1540         selstartpar = TEXT(bv)->sel_start_cursor.par();
1541         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1542         selendpar = TEXT(bv)->sel_end_cursor.par();
1543         selendpos = TEXT(bv)->sel_end_cursor.pos();
1544         selection = TEXT(bv)->selection;
1545         mark_set = TEXT(bv)->mark_set;
1546     }
1547     deleteLyXText(bv, (the_locking_inset == 0));
1548
1549     if (lpar) {
1550         TEXT(bv)->selection = true;
1551         /* at this point just to avoid the Delete-Empty-Paragraph
1552          * Mechanism when setting the cursor */
1553         TEXT(bv)->mark_set = mark_set;
1554         if (selection) {
1555             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos);
1556             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1557             TEXT(bv)->SetCursor(bv, selendpar, selendpos);
1558             TEXT(bv)->SetSelection();
1559             TEXT(bv)->SetCursor(bv, lpar, pos);
1560         } else {
1561             TEXT(bv)->SetCursor(bv, lpar, pos);
1562             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1563             TEXT(bv)->selection = false;
1564         }
1565     }
1566     if (bv->screen())
1567             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1568     // this will scroll the screen such that the cursor becomes visible
1569     bv->updateScrollbar();
1570 //    AllowInput(bv);
1571     if (the_locking_inset) {
1572         /// then resize all LyXText in text-insets
1573         inset_x = cx(bv) - top_x + drawTextXOffset;
1574         inset_y = cy(bv) + drawTextYOffset;
1575         for (LyXParagraph * p = par; p; p = p->next) {
1576             p->resizeInsetsLyXText(bv);
1577         }
1578     }
1579     need_update = FULL;
1580 }
1581
1582
1583 void InsetText::removeNewlines()
1584 {
1585     for (LyXParagraph * p = par; p; p = p->next) {
1586         for (int i = 0; i < p->Last(); ++i) {
1587             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1588                 p->Erase(i);
1589         }
1590     }
1591 }