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::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 118         delete (*cit).second;
 119         (*cit).second = 0;
 120     }
 121     LyXParagraph * p = par->next;
 122     delete par;
 123     while(p) {
 124         par = p;
 125         p = p->next;
 126         delete par;
 127     }
 128 }
 129
 130
 131 void InsetText::clear()
 132 {
 133     // delete all instances of LyXText before deleting the paragraps used
 134     // by it.
 135     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 136         delete (*cit).second;
 137         (*cit).second = 0;
 138     }
 139     LyXParagraph * p = par->next;
 140     delete par;
 141     while(p) {
 142         par = p;
 143         p = p->next;
 144         delete par;
 145     }
 146     par = new LyXParagraph();
 147 }
 148
 149
 150 Inset * InsetText::Clone(Buffer const &) const
 151 {
 152     InsetText * t = new InsetText(*this);
 153     return t;
 154 }
 155
 156
 157 void InsetText::Write(Buffer const * buf, ostream & os) const
 158 {
 159     os << "Text\n";
 160     WriteParagraphData(buf, os);
 161 }
 162
 163
 164 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 165 {
 166     par->writeFile(buf, os, buf->params, 0, 0);
 167 }
 168
 169
 170 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 171 {
 172     string token;
 173     int pos = 0;
 174     LyXParagraph * return_par = 0;
 175     char depth = 0; // signed or unsigned?
 176 #ifndef NEW_INSETS
 177     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 178     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 179 #endif
 180     LyXFont font(LyXFont::ALL_INHERIT);
 181
 182     // delete all instances of LyXText before deleting the paragraps used
 183     // by it.
 184     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 185         delete (*cit).second;
 186         (*cit).second = 0;
 187     }
 188
 189     LyXParagraph * p = par->next;
 190     delete par;
 191     while(p) {
 192         par = p;
 193         p = p->next;
 194         delete par;
 195     }
 196     par = new LyXParagraph;
 197     while (lex.IsOK()) {
 198         lex.nextToken();
 199         token = lex.GetString();
 200         if (token.empty())
 201             continue;
 202         if (token == "\\end_inset")
 203             break;
 204         if (const_cast<Buffer*>(buf)->
 205             parseSingleLyXformat2Token(lex, par, return_par,token, pos, depth,
 206                                        font
 207 #ifndef NEW_INSETS
 208                                        , footnoteflag, footnotekind
 209 #endif
 210                                        ))
 211         {
 212             // the_end read this should NEVER happen
 213             lex.printError("\\the_end read in inset! Error in document!");
 214             return;
 215         }
 216     }
 217     if (!return_par)
 218             return_par = par;
 219     par = return_par;
 220     while(return_par) {
 221         return_par->SetInsetOwner(this);
 222         return_par = return_par->next;
 223     }
 224
 225     if (token != "\\end_inset") {
 226         lex.printError("Missing \\end_inset at this point. "
 227                        "Read: `$$Token'");
 228     }
 229     need_update = INIT;
 230 }
 231
 232
 233 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 234 {
 235     int y_temp = 0;
 236     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 237     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 238     return insetAscent;
 239 }
 240
 241
 242 int InsetText::descent(BufferView * bv, LyXFont const &) const
 243 {
 244     int y_temp = 0;
 245     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 246     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 247         TEXT_TO_INSET_OFFSET;
 248     return insetDescent;
 249 }
 250
 251
 252 int InsetText::width(BufferView * bv, LyXFont const &) const
 253 {
 254     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 255     return insetWidth;
 256 }
 257
 258
 259 int InsetText::textWidth(Painter & pain) const
 260 {
 261     int w = getMaxWidth(pain, this);
 262     return w;
 263 }
 264
 265
 266 void InsetText::draw(BufferView * bv, LyXFont const & f,
 267                      int baseline, float & x, bool cleared) const
 268 {
 269     Painter & pain = bv->painter();
 270
 271     // no draw is necessary !!!
 272     if ((drawFrame == LOCKED) && !locked && !par->size()) {
 273         if (!cleared && (need_update == CLEAR_FRAME)) {
 274             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 275                            width(bv, f) - 1,
 276                            insetAscent + insetDescent - 1,
 277                            LColor::background);
 278         }
 279         top_x = int(x);
 280         top_baseline = baseline;
 281         x += width(bv, f);
 282         need_update = NONE;
 283         return;
 284     }
 285
 286     xpos = x;
 287     UpdatableInset::draw(bv, f, baseline, x, cleared);
 288
 289     if (!cleared && ((need_update==FULL) || (top_x!=int(x)) ||
 290                      (top_baseline!=baseline))) {
 291         int w =  insetWidth;
 292         int h = insetAscent + insetDescent;
 293         int ty = baseline - insetAscent;
 294
 295         if (ty < 0) {
 296             h += ty;
 297             ty = 0;
 298         }
 299         if ((ty + h) > pain.paperHeight())
 300             h = pain.paperHeight();
 301         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 302             w = pain.paperWidth();
 303         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 304         cleared = true;
 305         need_update = FULL;
 306     }
 307     if (!cleared && (need_update == NONE))
 308         return;
 309
 310     if (top_x != int(x)) {
 311         need_update = INIT;
 312         top_x = int(x);
 313         bv->text->status = LyXText::CHANGED_IN_DRAW;
 314         return;
 315     }
 316
 317     top_baseline = baseline;
 318     top_y = baseline - ascent(bv, f);
 319     last_width = width(bv, f);
 320     last_height = ascent(bv, f) + descent(bv, f);
 321
 322     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 323         inset_x = cx(bv) - top_x + drawTextXOffset;
 324         inset_y = cy(bv) + drawTextYOffset;
 325     }
 326     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 327         x += width(bv, f);
 328         need_update = NONE;
 329         return;
 330     }
 331     x += TEXT_TO_INSET_OFFSET;
 332     {
 333         int y = 0;
 334         Row * row = TEXT(bv)->GetRowNearY(y);
 335         int y_offset = baseline - row->ascent_of_text();
 336         int ph = pain.paperHeight();
 337         int first = 0;
 338         y = y_offset;
 339         while ((row != 0) && ((y+row->height()) <= 0)) {
 340             y += row->height();
 341             first += row->height();
 342             row = row->next();
 343         }
 344         if (y_offset < 0)
 345             y_offset = y;
 346         TEXT(bv)->first = first;
 347         if (cleared || !locked || (need_update == FULL)) {
 348             int yf = y_offset;
 349             y = 0;
 350             while ((row != 0) && (yf < ph)) {
 351                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 352                                             y+first, cleared);
 353                 y += row->height();
 354                 yf += row->height();
 355                 row = row->next();
 356             }
 357         } else if (need_update == SELECTION) {
 358             bv->screen()->ToggleToggle(TEXT(bv), y_offset, int(x));
 359         } else {
 360             locked = false;
 361             if (need_update == CURSOR) {
 362                 bv->screen()->ToggleSelection(TEXT(bv), true, y_offset,int(x));
 363                 TEXT(bv)->ClearSelection();
 364                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 365             }
 366             bv->screen()->Update(TEXT(bv), y_offset, int(x));
 367             locked = true;
 368         }
 369     }
 370     TEXT(bv)->refresh_y = 0;
 371     TEXT(bv)->status = LyXText::UNCHANGED;
 372     if ((need_update != CURSOR_PAR) &&
 373         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 374     {
 375             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 376                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 377                            frame_color);
 378     } else if (need_update == CLEAR_FRAME) {
 379             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 380                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 381                            LColor::background);
 382     }
 383     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 384     if (bv->text->status==LyXText::CHANGED_IN_DRAW)
 385         need_update = INIT;
 386     else if (need_update != INIT)
 387         need_update = NONE;
 388 }
 389
 390
 391 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 392 {
 393     if (reinit) {  // && (need_update != CURSOR)) {
 394         need_update = INIT;
 395         resizeLyXText(bv);
 396         if (owner())
 397             owner()->update(bv, font, true);
 398         return;
 399     }
 400     if (the_locking_inset) {
 401         inset_x = cx(bv) - top_x + drawTextXOffset;
 402         inset_y = cy(bv) + drawTextYOffset;
 403         the_locking_inset->update(bv, font, reinit);
 404     }
 405     if (need_update == INIT) {
 406         resizeLyXText(bv);
 407         need_update = FULL;
 408     }
 409     int oldw = insetWidth;
 410 #if 1
 411     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 412     // max(textWidth(bv->painter()),
 413     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 414     // (2 * TEXT_TO_INSET_OFFSET);
 415 #else
 416     insetWidth = textWidth(bv->painter());
 417     if (insetWidth < 0)
 418             insetWidth = static_cast<int>(TEXT(bv)->width);
 419 #endif
 420     if (oldw != insetWidth) {
 421 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 422 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 423         resizeLyXText(bv);
 424         need_update = FULL;
 425         update(bv, font, reinit);
 426         return;
 427     }
 428     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 429         the_locking_inset)
 430     {
 431         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 432     }
 433
 434     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 435         need_update = FULL;
 436
 437     int y_temp = 0;
 438     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 439     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 440     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 441         TEXT_TO_INSET_OFFSET;
 442 }
 443
 444
 445 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 446 {
 447     TEXT(bv)->FullRebreak(bv);
 448     if (need_update != INIT) {
 449         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 450             need_update = FULL;
 451         else if (!the_locking_inset || (what != CURSOR))
 452             need_update = what;
 453     }
 454     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 455         TEXT(bv)->selection)
 456             bv->updateInset(this, mark_dirty);
 457     bv->owner()->showState();
 458     if (old_par != cpar(bv)) {
 459             bv->owner()->setLayout(cpar(bv)->GetLayout());
 460             old_par = cpar(bv);
 461     }
 462 }
 463
 464
 465 string const InsetText::EditMessage() const
 466 {
 467     return _("Opened Text Inset");
 468 }
 469
 470
 471 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 472 {
 473 //    par->SetInsetOwner(this);
 474     UpdatableInset::Edit(bv, x, y, button);
 475
 476     if (!bv->lockInset(this)) {
 477         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 478         return;
 479     }
 480     locked = true;
 481     the_locking_inset = 0;
 482     inset_pos = inset_x = inset_y = 0;
 483     inset_boundary = false;
 484     inset_par = 0;
 485     old_par = 0;
 486     if (!checkAndActivateInset(bv, x, y, button))
 487         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 488                                            y+insetAscent);
 489     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 490     bv->text->FinishUndo();
 491     ShowInsetCursor(bv);
 492     UpdateLocal(bv, FULL, false);
 493 }
 494
 495
 496 void InsetText::InsetUnlock(BufferView * bv)
 497 {
 498     if (the_locking_inset) {
 499         the_locking_inset->InsetUnlock(bv);
 500         the_locking_inset = 0;
 501     }
 502     HideInsetCursor(bv);
 503     no_selection = false;
 504     locked = false;
 505     TEXT(bv)->selection = 0;
 506     UpdateLocal(bv, CLEAR_FRAME, false);
 507     if (owner())
 508             bv->owner()->setLayout(owner()->getLyXText(bv)
 509                                     ->cursor.par()->GetLayout());
 510     else
 511             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 512 }
 513
 514
 515 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 516 {
 517     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 518     if (!inset)
 519         return false;
 520     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 521         lyxerr[Debug::INSETS] << "OK" << endl;
 522         the_locking_inset = inset;
 523         inset_x = cx(bv) - top_x + drawTextXOffset;
 524         inset_y = cy(bv) + drawTextYOffset;
 525         inset_pos = cpos(bv);
 526         inset_par = cpar(bv);
 527         inset_boundary = cboundary(bv);
 528         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 529         return true;
 530     } else if (the_locking_inset && (the_locking_inset == inset)) {
 531         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 532             lyxerr[Debug::INSETS] << "OK" << endl;
 533             inset_x = cx(bv) - top_x + drawTextXOffset;
 534             inset_y = cy(bv) + drawTextYOffset;
 535         } else {
 536             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 537         }
 538     } else if (the_locking_inset) {
 539         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 540         return the_locking_inset->LockInsetInInset(bv, inset);
 541     }
 542     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 543     return false;
 544 }
 545
 546
 547 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 548                                    bool lr)
 549 {
 550     if (!the_locking_inset)
 551         return false;
 552     if (the_locking_inset == inset) {
 553         the_locking_inset->InsetUnlock(bv);
 554         TEXT(bv)->UpdateInset(bv, inset);
 555         the_locking_inset = 0;
 556         if (lr)
 557             moveRight(bv, false);
 558         old_par = 0; // force layout setting
 559         UpdateLocal(bv, CURSOR_PAR, false);
 560         return true;
 561     }
 562     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 563 }
 564
 565
 566 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 567 {
 568     if (!the_locking_inset)
 569         return false;
 570     if (the_locking_inset != inset) {
 571         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 572         need_update = CURSOR_PAR;
 573         return the_locking_inset->UpdateInsetInInset(bv, inset);
 574     }
 575 //    UpdateLocal(bv, FULL, false);
 576     if (TEXT(bv)->UpdateInset(bv, inset))
 577         UpdateLocal(bv, CURSOR_PAR, false);
 578     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 579         inset_x = cx(bv) - top_x + drawTextXOffset;
 580         inset_y = cy(bv) + drawTextYOffset;
 581     }
 582     return true;
 583 }
 584
 585
 586 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 587 {
 588     no_selection = false;
 589
 590     int tmp_x = x - drawTextXOffset;
 591     int tmp_y = y + insetAscent - TEXT(bv)->first;
 592     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 593
 594     HideInsetCursor(bv);
 595     if (the_locking_inset) {
 596         if (the_locking_inset == inset) {
 597             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 598             return;
 599         } else if (inset) {
 600             // otherwise unlock the_locking_inset and lock the new inset
 601             the_locking_inset->InsetUnlock(bv);
 602             inset_x = cx(bv) - top_x + drawTextXOffset;
 603             inset_y = cy(bv) + drawTextYOffset;
 604             the_locking_inset = static_cast<UpdatableInset*>(inset);
 605             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 606             inset->Edit(bv, x - inset_x, y - inset_y, button);
 607             if (the_locking_inset) {
 608                 UpdateLocal(bv, CURSOR_PAR, false);
 609             }
 610             return;
 611         }
 612         // otherwise only unlock the_locking_inset
 613         the_locking_inset->InsetUnlock(bv);
 614         the_locking_inset = 0;
 615     }
 616     if (bv->theLockingInset()) {
 617         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 618             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 619             inset_x = cx(bv) - top_x + drawTextXOffset;
 620             inset_y = cy(bv) + drawTextYOffset;
 621             inset_pos = cpos(bv);
 622             inset_par = cpar(bv);
 623             inset_boundary = cboundary(bv);
 624             the_locking_inset = uinset;
 625             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 626             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 627 //          TEXT(bv)->ClearSelection();
 628             if (the_locking_inset) {
 629                 UpdateLocal(bv, CURSOR_PAR, false);
 630             }
 631             return;
 632         }
 633     }
 634     if (!inset) {
 635         bool paste_internally = false;
 636         if ((button == 2) && TEXT(bv)->selection) {
 637             LocalDispatch(bv, LFUN_COPY, "");
 638             paste_internally = true;
 639         }
 640         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 641                                            y + insetAscent);
 642         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 643         UpdateLocal(bv, CURSOR, false);
 644         bv->owner()->setLayout(cpar(bv)->GetLayout());
 645         old_par = cpar(bv);
 646         // Insert primary selection with middle mouse
 647         // if there is a local selection in the current buffer,
 648         // insert this
 649         if (button == 2) {
 650             if (paste_internally)
 651                 LocalDispatch(bv, LFUN_PASTE, "");
 652             else
 653                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 654         }
 655     }
 656     ShowInsetCursor(bv);
 657 }
 658
 659
 660 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 661 {
 662     UpdatableInset * inset = 0;
 663
 664     if (the_locking_inset) {
 665             the_locking_inset->InsetButtonRelease(bv,
 666                                                   x - inset_x, y - inset_y,
 667                                                   button);
 668     } else {
 669         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 670             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 671             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 672                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 673             } else {
 674                 inset_x = cx(bv) - top_x + drawTextXOffset;
 675                 inset_y = cy(bv) + drawTextYOffset;
 676                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 677                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 678             }
 679             UpdateLocal(bv, CURSOR_PAR, false);
 680         }
 681     }
 682     no_selection = false;
 683 }
 684
 685
 686 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 687 {
 688     if (the_locking_inset) {
 689         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 690                                              y - inset_y,state);
 691         return;
 692     }
 693     if (!no_selection) {
 694         HideInsetCursor(bv);
 695         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 696                                            y+insetAscent);
 697         TEXT(bv)->SetSelection();
 698         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 699             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 700             UpdateLocal(bv, SELECTION, false);
 701         ShowInsetCursor(bv);
 702     }
 703     no_selection = false;
 704 }
 705
 706
 707 void InsetText::InsetKeyPress(XKeyEvent * xke)
 708 {
 709     if (the_locking_inset) {
 710         the_locking_inset->InsetKeyPress(xke);
 711         return;
 712     }
 713 }
 714
 715
 716 UpdatableInset::RESULT
 717 InsetText::LocalDispatch(BufferView * bv,
 718                          int action, string const & arg)
 719 {
 720     no_selection = false;
 721     UpdatableInset::RESULT
 722         result= UpdatableInset::LocalDispatch(bv, action, arg);
 723     if (result != UNDISPATCHED) {
 724         return DISPATCHED;
 725     }
 726
 727     result=DISPATCHED;
 728     if ((action < 0) && arg.empty())
 729         return FINISHED;
 730
 731     if (the_locking_inset) {
 732         result = the_locking_inset->LocalDispatch(bv, action, arg);
 733         if (result == DISPATCHED_NOUPDATE)
 734             return result;
 735         else if (result == DISPATCHED) {
 736             UpdateLocal(bv, CURSOR_PAR, false);
 737             return result;
 738         } else if (result == FINISHED) {
 739             switch (action) {
 740             case -1:
 741             case LFUN_RIGHT:
 742                 moveRight(bv, false);
 743                 break;
 744             case LFUN_DOWN:
 745                 moveDown(bv);
 746                 break;
 747             }
 748             the_locking_inset = 0;
 749             return DISPATCHED;
 750         }
 751     }
 752     HideInsetCursor(bv);
 753     switch (action) {
 754         // Normal chars
 755     case LFUN_UNKNOWN_ACTION:
 756         if (bv->buffer()->isReadonly()) {
 757             LyXBell();
 758 //          setErrorMessage(N_("Document is read only"));
 759             break;
 760         }
 761         if (!arg.empty()) {
 762             /* Automatically delete the currently selected
 763              * text and replace it with what is being
 764              * typed in now. Depends on lyxrc settings
 765              * "auto_region_delete", which defaults to
 766              * true (on). */
 767
 768             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 769 #ifndef NEW_INSETS
 770                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 771                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 772 #else
 773                               bv->text->cursor.par()->previous,
 774                               bv->text->cursor.par()->next
 775 #endif
 776                     );
 777             // if an empty paragraph set the language to the surronding
 778             // paragraph language on insertion of the first character!
 779             if (!par->Last() && !par->next) {
 780                 LyXText * text = 0;
 781                 if (owner()) {
 782                     Inset * inset = owner();
 783                     while(inset && inset->getLyXText(bv) == TEXT(bv))
 784                         inset = inset->owner();
 785                     if (inset)
 786                         text = inset->getLyXText(bv);
 787                 }
 788                 if (!text)
 789                     text = bv->text;
 790                 LyXFont font(LyXFont::ALL_IGNORE);
 791                 font.setLanguage(text->cursor.par()->getParLanguage(bv->buffer()->params));
 792                 SetFont(bv, font, false);
 793             }
 794             bv->setState();
 795             if (lyxrc.auto_region_delete) {
 796                 if (TEXT(bv)->selection){
 797                     TEXT(bv)->CutSelection(bv, false);
 798                 }
 799             }
 800             TEXT(bv)->ClearSelection();
 801             for (string::size_type i = 0; i < arg.length(); ++i) {
 802 #if 0
 803                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 804 #else
 805                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 806 #endif
 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::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1393         delete (*cit).second;
1394         (*cit).second = 0;
1395     }
1396
1397     LyXParagraph * np;
1398     if (par) {
1399         np = par->next;
1400         delete par;
1401         while(np) {
1402             par = np;
1403             np = np->next;
1404             delete par;
1405         }
1406     }
1407     par = p->Clone();
1408     par->SetInsetOwner(this);
1409     np = par;
1410     while(p->next) {
1411         p = p->next;
1412         np->next = p->Clone();
1413         np->next->previous = np;
1414         np = np->next;
1415         np->SetInsetOwner(this);
1416     }
1417     need_update = INIT;
1418 }
1419
1420
1421 void InsetText::SetAutoBreakRows(bool flag)
1422 {
1423     if (flag != autoBreakRows) {
1424         autoBreakRows = flag;
1425         need_update = FULL;
1426         if (!flag)
1427             removeNewlines();
1428     }
1429 }
1430
1431
1432 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1433 {
1434     if (how != drawFrame) {
1435         drawFrame = how;
1436         if (bv)
1437             UpdateLocal(bv, DRAW_FRAME, false);
1438     }
1439 }
1440
1441
1442 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1443 {
1444     if (frame_color != col) {
1445         frame_color = col;
1446         if (bv)
1447             UpdateLocal(bv, DRAW_FRAME, false);
1448     }
1449 }
1450
1451 #if 0
1452 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1453 {
1454     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1455 }
1456 #endif
1457
1458
1459 int InsetText::cx(BufferView * bv) const
1460 {
1461         LyXText * text = TEXT(bv);
1462         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1463         if (the_locking_inset) {
1464                 LyXFont font = text->GetFont(bv->buffer(),
1465                                      text->cursor.par(), text->cursor.pos());
1466                 if (font.isVisibleRightToLeft())
1467                         x -= the_locking_inset->width(bv, font);
1468         }
1469         return x;
1470 }
1471
1472
1473 int InsetText::cy(BufferView * bv) const
1474 {
1475     LyXFont font;
1476     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1477 }
1478
1479
1480 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1481 {
1482     return TEXT(bv)->cursor.pos();
1483 }
1484
1485
1486 LyXParagraph * InsetText::cpar(BufferView * bv) const
1487 {
1488     return TEXT(bv)->cursor.par();
1489 }
1490
1491 bool InsetText::cboundary(BufferView * bv) const
1492 {
1493     return TEXT(bv)->cursor.boundary();
1494 }
1495
1496
1497 Row * InsetText::crow(BufferView * bv) const
1498 {
1499     return TEXT(bv)->cursor.row();
1500 }
1501
1502
1503 LyXText * InsetText::getLyXText(BufferView const * lbv) const
1504 {
1505     // Super UGLY! (Lgb)
1506     BufferView * bv = const_cast<BufferView *>(lbv);
1507
1508     if ((cache.find(bv) != cache.end()) && cache[bv])
1509         return cache[bv];
1510     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1511     lt->init(bv);
1512     cache[bv] = lt;
1513     if (the_locking_inset) {
1514        lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1515     }
1516     return lt;
1517 }
1518
1519
1520 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1521 {
1522     if ((cache.find(bv) == cache.end()) || !cache[bv])
1523         return;
1524     delete cache[bv];
1525     cache.erase(bv);
1526     if (recursive) {
1527         /// then remove all LyXText in text-insets
1528         LyXParagraph * p = par;
1529         for (;p;p = p->next) {
1530             p->deleteInsetsLyXText(bv);
1531         }
1532     }
1533 }
1534
1535
1536 void InsetText::resizeLyXText(BufferView * bv) const
1537 {
1538     if (!par->next && !par->size()) // resize not neccessary!
1539         return;
1540     if ((cache.find(bv) == cache.end()) || !cache[bv])
1541         return;
1542
1543     LyXParagraph * lpar = 0;
1544     LyXParagraph * selstartpar = 0;
1545     LyXParagraph * selendpar = 0;
1546     LyXParagraph::size_type pos = 0;
1547     LyXParagraph::size_type selstartpos = 0;
1548     LyXParagraph::size_type selendpos = 0;
1549     bool boundary = false;
1550     bool selstartboundary = false;
1551     bool selendboundary = false;
1552     int selection = 0;
1553     int mark_set = 0;
1554
1555 //    ProhibitInput(bv);
1556
1557     if (locked) {
1558         lpar = TEXT(bv)->cursor.par();
1559         pos = TEXT(bv)->cursor.pos();
1560         boundary = TEXT(bv)->cursor.boundary();
1561         selstartpar = TEXT(bv)->sel_start_cursor.par();
1562         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1563         selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1564         selendpar = TEXT(bv)->sel_end_cursor.par();
1565         selendpos = TEXT(bv)->sel_end_cursor.pos();
1566         selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1567         selection = TEXT(bv)->selection;
1568         mark_set = TEXT(bv)->mark_set;
1569     }
1570     deleteLyXText(bv, (the_locking_inset == 0));
1571
1572     if (lpar) {
1573         TEXT(bv)->selection = true;
1574         /* at this point just to avoid the Delete-Empty-Paragraph
1575          * Mechanism when setting the cursor */
1576         TEXT(bv)->mark_set = mark_set;
1577         if (selection) {
1578             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,true,
1579                                 selstartboundary);
1580             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1581             TEXT(bv)->SetCursor(bv, selendpar, selendpos, true, selendboundary);
1582             TEXT(bv)->SetSelection();
1583             TEXT(bv)->SetCursor(bv, lpar, pos);
1584         } else {
1585             TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1586             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1587             TEXT(bv)->selection = false;
1588         }
1589     }
1590     if (bv->screen())
1591             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1592     // this will scroll the screen such that the cursor becomes visible
1593     bv->updateScrollbar();
1594 //    AllowInput(bv);
1595     if (the_locking_inset) {
1596         /// then resize all LyXText in text-insets
1597         inset_x = cx(bv) - top_x + drawTextXOffset;
1598         inset_y = cy(bv) + drawTextYOffset;
1599         for (LyXParagraph * p = par; p; p = p->next) {
1600             p->resizeInsetsLyXText(bv);
1601         }
1602     }
1603     need_update = FULL;
1604 }
1605
1606
1607 void InsetText::removeNewlines()
1608 {
1609     for (LyXParagraph * p = par; p; p = p->next) {
1610         for (int i = 0; i < p->Last(); ++i) {
1611             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1612                 p->Erase(i);
1613         }
1614     }
1615 }