src/insets/insettext.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1998-2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include <fstream>
  15 #include <algorithm>
  16
  17 #include <cstdlib>
  18
  19 #ifdef __GNUG__
  20 #pragma implementation
  21 #endif
  22
  23 #include "insettext.h"
  24 #include "lyxparagraph.h"
  25 #include "lyxlex.h"
  26 #include "debug.h"
  27 #include "lyxfont.h"
  28 #include "commandtags.h"
  29 #include "buffer.h"
  30 #include "LyXView.h"
  31 #include "BufferView.h"
  32 #include "layout.h"
  33 #include "LaTeXFeatures.h"
  34 #include "Painter.h"
  35 #include "lyx_gui_misc.h"
  36 #include "lyxtext.h"
  37 #include "lyxcursor.h"
  38 #include "CutAndPaste.h"
  39 #include "font.h"
  40 #include "minibuffer.h"
  41 #include "LColor.h"
  42 #include "support/textutils.h"
  43 #include "support/LAssert.h"
  44 #include "lyxrow.h"
  45 #include "lyxrc.h"
  46 #include "intl.h"
  47 #include "trans_mgr.h"
  48 #include "lyxscreen.h"
  49 #include "WorkArea.h"
  50
  51 using std::ostream;
  52 using std::ifstream;
  53 using std::endl;
  54 using std::min;
  55 using std::max;
  56
  57 extern unsigned char getCurrentTextClass(Buffer *);
  58
  59 InsetText::InsetText()
  60 {
  61     par = new LyXParagraph();
  62     init();
  63 }
  64
  65
  66 InsetText::InsetText(InsetText const & ins)
  67         : UpdatableInset()
  68 {
  69     par = 0;
  70     init(&ins);
  71     autoBreakRows = ins.autoBreakRows;
  72 }
  73
  74
  75 InsetText & InsetText::operator=(InsetText const & it)
  76 {
  77     init(&it);
  78     autoBreakRows = it.autoBreakRows;
  79     return * this;
  80 }
  81
  82
  83 void InsetText::init(InsetText const * ins)
  84 {
  85     top_y = 0;
  86     last_width = 0;
  87     last_height = 0;
  88     insetAscent = 0;
  89     insetDescent = 0;
  90     insetWidth = 0;
  91     the_locking_inset = 0;
  92     cursor_visible = false;
  93     interline_space = 1;
  94     no_selection = false;
  95     need_update = INIT;
  96     drawTextXOffset = 0;
  97     drawTextYOffset = 0;
  98     autoBreakRows = false;
  99     drawFrame = NEVER;
 100     xpos = 0.0;
 101     if (ins) {
 102         SetParagraphData(ins->par);
 103         autoBreakRows = ins->autoBreakRows;
 104         drawFrame = ins->drawFrame;
 105     }
 106     par->SetInsetOwner(this);
 107     frame_color = LColor::insetframe;
 108     locked = false;
 109     old_par = 0;
 110 }
 111
 112
 113 InsetText::~InsetText()
 114 {
 115     // delete all instances of LyXText before deleting the paragraps used
 116     // by it.
 117     for(Cache::const_iterator cit = cache.begin(); cit != cache.end(); ++cit)
 118         delete (*cit).second;
 119     LyXParagraph * p = par->next;
 120     delete par;
 121     while(p) {
 122         par = p;
 123         p = p->next;
 124         delete par;
 125     }
 126 }
 127
 128
 129 void InsetText::clear()
 130 {
 131     // delete all instances of LyXText before deleting the paragraps used
 132     // by it.
 133     for(Cache::const_iterator cit = cache.begin(); cit != cache.end(); ++cit)
 134         delete (*cit).second;
 135     LyXParagraph * p = par->next;
 136     delete par;
 137     while(p) {
 138         par = p;
 139         p = p->next;
 140         delete par;
 141     }
 142     par = new LyXParagraph();
 143 }
 144
 145
 146 Inset * InsetText::Clone(Buffer const &) const
 147 {
 148     InsetText * t = new InsetText(*this);
 149     return t;
 150 }
 151
 152
 153 void InsetText::Write(Buffer const * buf, ostream & os) const
 154 {
 155     os << "Text\n";
 156     WriteParagraphData(buf, os);
 157 }
 158
 159
 160 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 161 {
 162     par->writeFile(buf, os, buf->params, 0, 0);
 163 }
 164
 165
 166 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 167 {
 168     string token;
 169     int pos = 0;
 170     LyXParagraph * return_par = 0;
 171     char depth = 0; // signed or unsigned?
 172 #ifndef NEW_INSETS
 173     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 174     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 175 #endif
 176     LyXFont font(LyXFont::ALL_INHERIT);
 177
 178     // delete all instances of LyXText before deleting the paragraps used
 179     // by it.
 180     for(Cache::const_iterator cit = cache.begin(); cit != cache.end(); ++cit)
 181         delete (*cit).second;
 182
 183     LyXParagraph * p = par->next;
 184     delete par;
 185     while(p) {
 186         par = p;
 187         p = p->next;
 188         delete par;
 189     }
 190     par = new LyXParagraph;
 191     while (lex.IsOK()) {
 192         lex.nextToken();
 193         token = lex.GetString();
 194         if (token.empty())
 195             continue;
 196         if (token == "\\end_inset")
 197             break;
 198         if (const_cast<Buffer*>(buf)->
 199             parseSingleLyXformat2Token(lex, par, return_par,token, pos, depth,
 200                                        font
 201 #ifndef NEW_INSETS
 202                                        , footnoteflag, footnotekind
 203 #endif
 204                                        ))
 205         {
 206             // the_end read this should NEVER happen
 207             lex.printError("\\the_end read in inset! Error in document!");
 208             return;
 209         }
 210     }
 211     if (!return_par)
 212             return_par = par;
 213     par = return_par;
 214     while(return_par) {
 215         return_par->SetInsetOwner(this);
 216         return_par = return_par->next;
 217     }
 218
 219     if (token != "\\end_inset") {
 220         lex.printError("Missing \\end_inset at this point. "
 221                        "Read: `$$Token'");
 222     }
 223     need_update = INIT;
 224 }
 225
 226
 227 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 228 {
 229     int y_temp = 0;
 230     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 231     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 232     return insetAscent;
 233 }
 234
 235
 236 int InsetText::descent(BufferView * bv, LyXFont const &) const
 237 {
 238     int y_temp = 0;
 239     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 240     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 241         TEXT_TO_INSET_OFFSET;
 242     return insetDescent;
 243 }
 244
 245
 246 int InsetText::width(BufferView * bv, LyXFont const &) const
 247 {
 248     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 249     return insetWidth;
 250 }
 251
 252
 253 int InsetText::textWidth(Painter & pain) const
 254 {
 255     int w = getMaxWidth(pain, this);
 256     return w;
 257 }
 258
 259
 260 void InsetText::draw(BufferView * bv, LyXFont const & f,
 261                      int baseline, float & x, bool cleared) const
 262 {
 263     Painter & pain = bv->painter();
 264
 265     // no draw is necessary !!!
 266     if ((drawFrame == LOCKED) && !locked && !par->size()) {
 267         if (!cleared && (need_update == CLEAR_FRAME)) {
 268             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 269                            width(bv, f) - 1,
 270                            insetAscent + insetDescent - 1,
 271                            LColor::background);
 272         }
 273         top_x = int(x);
 274         top_baseline = baseline;
 275         x += width(bv, f);
 276         need_update = NONE;
 277         return;
 278     }
 279
 280     xpos = x;
 281     UpdatableInset::draw(bv, f, baseline, x, cleared);
 282
 283     if (!cleared && ((need_update==FULL) || (top_x!=int(x)) ||
 284                      (top_baseline!=baseline))) {
 285         int w =  insetWidth;
 286         int h = insetAscent + insetDescent;
 287         int ty = baseline - insetAscent;
 288
 289         if (ty < 0) {
 290             h += ty;
 291             ty = 0;
 292         }
 293         if ((ty + h) > pain.paperHeight())
 294             h = pain.paperHeight();
 295         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 296             w = pain.paperWidth();
 297         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 298         cleared = true;
 299         need_update = FULL;
 300     }
 301     if (!cleared && (need_update == NONE))
 302         return;
 303
 304     if (top_x != int(x)) {
 305         need_update = INIT;
 306         top_x = int(x);
 307         bv->text->status = LyXText::CHANGED_IN_DRAW;
 308         return;
 309     }
 310
 311     top_baseline = baseline;
 312     top_y = baseline - ascent(bv, f);
 313     last_width = width(bv, f);
 314     last_height = ascent(bv, f) + descent(bv, f);
 315
 316     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 317         inset_x = cx(bv) - top_x + drawTextXOffset;
 318         inset_y = cy(bv) + drawTextYOffset;
 319     }
 320     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 321         x += width(bv, f);
 322         need_update = NONE;
 323         return;
 324     }
 325     x += TEXT_TO_INSET_OFFSET;
 326     {
 327         int y = 0;
 328         Row * row = TEXT(bv)->GetRowNearY(y);
 329         int y_offset = baseline - row->ascent_of_text();
 330         int ph = pain.paperHeight();
 331         int first = 0;
 332         y = y_offset;
 333         while ((row != 0) && ((y+row->height()) <= 0)) {
 334             y += row->height();
 335             first += row->height();
 336             row = row->next();
 337         }
 338         if (y_offset < 0)
 339             y_offset = y;
 340         TEXT(bv)->first = first;
 341         if (cleared || !locked || (need_update == FULL)) {
 342             int yf = y_offset;
 343             y = 0;
 344             while ((row != 0) && (yf < ph)) {
 345                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 346                                             y+first, cleared);
 347                 y += row->height();
 348                 yf += row->height();
 349                 row = row->next();
 350             }
 351         } else if (need_update == SELECTION) {
 352             bv->screen()->ToggleToggle(TEXT(bv), y_offset, int(x));
 353         } else {
 354             locked = false;
 355             if (need_update == CURSOR) {
 356                 bv->screen()->ToggleSelection(TEXT(bv), true, y_offset,int(x));
 357                 TEXT(bv)->ClearSelection();
 358                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 359             }
 360             bv->screen()->Update(TEXT(bv), y_offset, int(x));
 361             locked = true;
 362         }
 363     }
 364     TEXT(bv)->refresh_y = 0;
 365     TEXT(bv)->status = LyXText::UNCHANGED;
 366     if ((need_update != CURSOR_PAR) &&
 367         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 368     {
 369             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 370                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 371                            frame_color);
 372     } else if (need_update == CLEAR_FRAME) {
 373             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 374                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 375                            LColor::background);
 376     }
 377     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 378     if (bv->text->status==LyXText::CHANGED_IN_DRAW)
 379         need_update = INIT;
 380     else if (need_update != INIT)
 381         need_update = NONE;
 382 }
 383
 384
 385 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 386 {
 387     if (reinit) {  // && (need_update != CURSOR)) {
 388         need_update = INIT;
 389         resizeLyXText(bv);
 390         if (owner())
 391             owner()->update(bv, font, true);
 392         return;
 393     }
 394     if (the_locking_inset) {
 395         inset_x = cx(bv) - top_x + drawTextXOffset;
 396         inset_y = cy(bv) + drawTextYOffset;
 397         the_locking_inset->update(bv, font, reinit);
 398     }
 399     if (need_update == INIT) {
 400         resizeLyXText(bv);
 401         need_update = FULL;
 402 //      if (!owner() && bv->text)
 403 //          bv->text->UpdateInset(bv, this);
 404     }
 405     int oldw = insetWidth;
 406 #if 1
 407     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 408     // max(textWidth(bv->painter()),
 409     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 410     // (2 * TEXT_TO_INSET_OFFSET);
 411 #else
 412     insetWidth = textWidth(bv->painter());
 413     if (insetWidth < 0)
 414             insetWidth = static_cast<int>(TEXT(bv)->width);
 415 #endif
 416     if (oldw != insetWidth) {
 417 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 418 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 419         resizeLyXText(bv);
 420         need_update = FULL;
 421 #if 0
 422         if (owner()) {
 423             owner()->update(bv, font, reinit);
 424             return;
 425         } else {
 426             update(bv, font, reinit);
 427         }
 428 #else
 429 #if 1
 430         update(bv, font, reinit);
 431 #else
 432         UpdateLocal(bv, INIT, false);
 433 #endif
 434 #endif
 435         return;
 436     }
 437     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 438         the_locking_inset)
 439     {
 440         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 441     }
 442
 443     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 444         need_update = FULL;
 445
 446     int y_temp = 0;
 447     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 448     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 449     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 450         TEXT_TO_INSET_OFFSET;
 451 }
 452
 453
 454 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 455 {
 456     TEXT(bv)->FullRebreak(bv);
 457     if (need_update != INIT) {
 458         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 459             need_update = FULL;
 460         else if (!the_locking_inset || (what != CURSOR))
 461             need_update = what;
 462     }
 463     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 464         TEXT(bv)->selection)
 465             bv->updateInset(this, mark_dirty);
 466     bv->owner()->showState();
 467     if (old_par != cpar(bv)) {
 468             bv->owner()->setLayout(cpar(bv)->GetLayout());
 469             old_par = cpar(bv);
 470     }
 471 }
 472
 473
 474 string const InsetText::EditMessage() const
 475 {
 476     return _("Opened Text Inset");
 477 }
 478
 479
 480 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 481 {
 482 //    par->SetInsetOwner(this);
 483     UpdatableInset::Edit(bv, x, y, button);
 484
 485     if (!bv->lockInset(this)) {
 486         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 487         return;
 488     }
 489     locked = true;
 490     the_locking_inset = 0;
 491     inset_pos = inset_x = inset_y = 0;
 492     inset_par = 0;
 493     old_par = 0;
 494     if (!checkAndActivateInset(bv, x, y, button))
 495         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 496                                            y+insetAscent);
 497     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 498     bv->text->FinishUndo();
 499     ShowInsetCursor(bv);
 500     UpdateLocal(bv, FULL, false);
 501 }
 502
 503
 504 void InsetText::InsetUnlock(BufferView * bv)
 505 {
 506     if (the_locking_inset) {
 507         the_locking_inset->InsetUnlock(bv);
 508         the_locking_inset = 0;
 509     }
 510     HideInsetCursor(bv);
 511     no_selection = false;
 512     locked = false;
 513     TEXT(bv)->selection = 0;
 514     UpdateLocal(bv, CLEAR_FRAME, false);
 515     if (owner())
 516             bv->owner()->setLayout(owner()->getLyXText(bv)
 517                                     ->cursor.par()->GetLayout());
 518     else
 519             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 520 }
 521
 522
 523 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 524 {
 525     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 526     if (!inset)
 527         return false;
 528     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 529         lyxerr[Debug::INSETS] << "OK" << endl;
 530         the_locking_inset = inset;
 531         inset_x = cx(bv) - top_x + drawTextXOffset;
 532         inset_y = cy(bv) + drawTextYOffset;
 533         inset_pos = cpos(bv);
 534         inset_par = cpar(bv);
 535         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 536         return true;
 537     } else if (the_locking_inset && (the_locking_inset == inset)) {
 538         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 539             lyxerr[Debug::INSETS] << "OK" << endl;
 540             inset_x = cx(bv) - top_x + drawTextXOffset;
 541             inset_y = cy(bv) + drawTextYOffset;
 542         } else {
 543             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 544         }
 545     } else if (the_locking_inset) {
 546         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 547         return the_locking_inset->LockInsetInInset(bv, inset);
 548     }
 549     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 550     return false;
 551 }
 552
 553
 554 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 555                                    bool lr)
 556 {
 557     if (!the_locking_inset)
 558         return false;
 559     if (the_locking_inset == inset) {
 560         the_locking_inset->InsetUnlock(bv);
 561         TEXT(bv)->UpdateInset(bv, inset);
 562         the_locking_inset = 0;
 563         if (lr)
 564             moveRight(bv, false);
 565         old_par = 0; // force layout setting
 566         UpdateLocal(bv, CURSOR_PAR, false);
 567         return true;
 568     }
 569     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 570 }
 571
 572
 573 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 574 {
 575     if (!the_locking_inset)
 576         return false;
 577     if (the_locking_inset != inset) {
 578         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 579         need_update = CURSOR_PAR;
 580         return the_locking_inset->UpdateInsetInInset(bv, inset);
 581     }
 582 //    UpdateLocal(bv, FULL, false);
 583     if (TEXT(bv)->UpdateInset(bv, inset))
 584         UpdateLocal(bv, CURSOR_PAR, false);
 585     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 586         inset_x = cx(bv) - top_x + drawTextXOffset;
 587         inset_y = cy(bv) + drawTextYOffset;
 588     }
 589     return true;
 590 }
 591
 592
 593 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 594 {
 595     no_selection = false;
 596
 597     int tmp_x = x - drawTextXOffset;
 598     int tmp_y = y + insetAscent;
 599     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 600
 601     HideInsetCursor(bv);
 602     if (the_locking_inset) {
 603         if (the_locking_inset == inset) {
 604             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 605             return;
 606         } else if (inset) {
 607             // otherwise unlock the_locking_inset and lock the new inset
 608             the_locking_inset->InsetUnlock(bv);
 609             inset_x = cx(bv) - top_x + drawTextXOffset;
 610             inset_y = cy(bv) + drawTextYOffset;
 611             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 612             inset->Edit(bv, x - inset_x, y - inset_y, button);
 613             if (the_locking_inset) {
 614                 UpdateLocal(bv, CURSOR_PAR, false);
 615             }
 616             return;
 617         }
 618         // otherwise only unlock the_locking_inset
 619         the_locking_inset->InsetUnlock(bv);
 620         the_locking_inset = 0;
 621     }
 622     if (bv->theLockingInset()) {
 623         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 624             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 625             inset_x = cx(bv) - top_x + drawTextXOffset;
 626             inset_y = cy(bv) + drawTextYOffset;
 627             inset_pos = cpos(bv);
 628             inset_par = cpar(bv);
 629             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 630             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 631             if (the_locking_inset) {
 632                 UpdateLocal(bv, CURSOR_PAR, false);
 633             }
 634             return;
 635         }
 636     }
 637     if (!inset) {
 638         bool paste_internally = false;
 639         if ((button == 2) && TEXT(bv)->selection) {
 640             LocalDispatch(bv, LFUN_COPY, "");
 641             paste_internally = true;
 642         }
 643         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 644                                            y+insetAscent);
 645         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 646         UpdateLocal(bv, CURSOR, false);
 647         bv->owner()->setLayout(cpar(bv)->GetLayout());
 648         old_par = cpar(bv);
 649         // Insert primary selection with middle mouse
 650         // if there is a local selection in the current buffer,
 651         // insert this
 652         if (button == 2) {
 653             if (paste_internally)
 654                 LocalDispatch(bv, LFUN_PASTE, "");
 655             else
 656                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 657         }
 658     }
 659     ShowInsetCursor(bv);
 660 }
 661
 662
 663 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 664 {
 665     UpdatableInset * inset = 0;
 666
 667     if (the_locking_inset) {
 668             the_locking_inset->InsetButtonRelease(bv,
 669                                                   x - inset_x, y - inset_y,
 670                                                   button);
 671     } else {
 672         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 673             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 674             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 675                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 676             } else {
 677                 inset_x = cx(bv) - top_x + drawTextXOffset;
 678                 inset_y = cy(bv) + drawTextYOffset;
 679                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 680                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 681             }
 682             UpdateLocal(bv, CURSOR_PAR, false);
 683         }
 684     }
 685     no_selection = false;
 686 }
 687
 688
 689 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 690 {
 691     if (the_locking_inset) {
 692         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 693                                              y - inset_y,state);
 694         return;
 695     }
 696     if (!no_selection) {
 697         HideInsetCursor(bv);
 698         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 699                                            y+insetAscent);
 700         TEXT(bv)->SetSelection();
 701         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 702             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 703             UpdateLocal(bv, SELECTION, false);
 704         ShowInsetCursor(bv);
 705     }
 706     no_selection = false;
 707 }
 708
 709
 710 void InsetText::InsetKeyPress(XKeyEvent * xke)
 711 {
 712     if (the_locking_inset) {
 713         the_locking_inset->InsetKeyPress(xke);
 714         return;
 715     }
 716 }
 717
 718
 719 UpdatableInset::RESULT
 720 InsetText::LocalDispatch(BufferView * bv,
 721                          int action, string const & arg)
 722 {
 723     no_selection = false;
 724     UpdatableInset::RESULT
 725         result= UpdatableInset::LocalDispatch(bv, action, arg);
 726     if (result != UNDISPATCHED) {
 727         return DISPATCHED;
 728     }
 729
 730     result=DISPATCHED;
 731     if ((action < 0) && arg.empty())
 732         return FINISHED;
 733
 734     if (the_locking_inset) {
 735         result = the_locking_inset->LocalDispatch(bv, action, arg);
 736         if (result == DISPATCHED_NOUPDATE)
 737             return result;
 738         else if (result == DISPATCHED) {
 739             UpdateLocal(bv, CURSOR_PAR, false);
 740             return result;
 741         } else if (result == FINISHED) {
 742             switch(action) {
 743             case -1:
 744             case LFUN_RIGHT:
 745                 moveRight(bv, false);
 746                 break;
 747             case LFUN_DOWN:
 748                 moveDown(bv);
 749                 break;
 750             }
 751             the_locking_inset = 0;
 752             return DISPATCHED;
 753         }
 754     }
 755     HideInsetCursor(bv);
 756     switch (action) {
 757         // Normal chars
 758     case -1:
 759         if (bv->buffer()->isReadonly()) {
 760             LyXBell();
 761 //          setErrorMessage(N_("Document is read only"));
 762             break;
 763         }
 764         if (!arg.empty()) {
 765             /* Automatically delete the currently selected
 766              * text and replace it with what is being
 767              * typed in now. Depends on lyxrc settings
 768              * "auto_region_delete", which defaults to
 769              * true (on). */
 770
 771             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 772 #ifndef NEW_INSETS
 773                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 774                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 775 #else
 776                               bv->text->cursor.par()->previous,
 777                               bv->text->cursor.par()->next
 778 #endif
 779                     );
 780             // if an empty paragraph set the language to the surronding
 781             // paragraph language on insertion of the first character!
 782             if (!par->Last() && !par->next) {
 783                 LyXText * text = 0;
 784                 if (owner()) {
 785                     Inset * inset = owner();
 786                     while(inset && inset->getLyXText(bv) == TEXT(bv))
 787                         inset = inset->owner();
 788                     if (inset)
 789                         text = inset->getLyXText(bv);
 790                 }
 791                 if (!text)
 792                     text = bv->text;
 793                 LyXFont font(LyXFont::ALL_IGNORE);
 794                 font.setLanguage(text->cursor.par()->getParLanguage(bv->buffer()->params));
 795                 SetFont(bv, font, false);
 796             }
 797             if (lyxrc.auto_region_delete) {
 798                 if (TEXT(bv)->selection){
 799                     TEXT(bv)->CutSelection(bv, false);
 800                 }
 801             }
 802             TEXT(bv)->ClearSelection();
 803             for (string::size_type i = 0; i < arg.length(); ++i) {
 804                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 805             }
 806         }
 807         UpdateLocal(bv, CURSOR_PAR, true);
 808         break;
 809         // --- Cursor Movements ---------------------------------------------
 810     case LFUN_RIGHTSEL:
 811         bv->text->FinishUndo();
 812         moveRight(bv, false, true);
 813         TEXT(bv)->SetSelection();
 814         UpdateLocal(bv, SELECTION, false);
 815         break;
 816     case LFUN_RIGHT:
 817         result = moveRight(bv);
 818         bv->text->FinishUndo();
 819         TEXT(bv)->ClearSelection();
 820         UpdateLocal(bv, CURSOR, false);
 821         break;
 822     case LFUN_LEFTSEL:
 823         bv->text->FinishUndo();
 824         moveLeft(bv, false, true);
 825         TEXT(bv)->SetSelection();
 826         UpdateLocal(bv, SELECTION, false);
 827         break;
 828     case LFUN_LEFT:
 829         bv->text->FinishUndo();
 830         result= moveLeft(bv);
 831         TEXT(bv)->ClearSelection();
 832         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 833         UpdateLocal(bv, CURSOR, false);
 834         break;
 835     case LFUN_DOWNSEL:
 836         bv->text->FinishUndo();
 837         moveDown(bv);
 838         TEXT(bv)->SetSelection();
 839         UpdateLocal(bv, SELECTION, false);
 840         break;
 841     case LFUN_DOWN:
 842         bv->text->FinishUndo();
 843         result = moveDown(bv);
 844         TEXT(bv)->ClearSelection();
 845         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 846         UpdateLocal(bv, CURSOR, false);
 847         break;
 848     case LFUN_UPSEL:
 849         bv->text->FinishUndo();
 850         moveUp(bv);
 851         TEXT(bv)->SetSelection();
 852         UpdateLocal(bv, SELECTION, false);
 853         break;
 854     case LFUN_UP:
 855         bv->text->FinishUndo();
 856         result = moveUp(bv);
 857         TEXT(bv)->ClearSelection();
 858         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 859         UpdateLocal(bv, CURSOR, false);
 860         break;
 861     case LFUN_HOME:
 862         bv->text->FinishUndo();
 863         TEXT(bv)->CursorHome(bv);
 864         TEXT(bv)->ClearSelection();
 865         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 866         UpdateLocal(bv, CURSOR, false);
 867         break;
 868     case LFUN_END:
 869         TEXT(bv)->CursorEnd(bv);
 870         TEXT(bv)->ClearSelection();
 871         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 872         UpdateLocal(bv, CURSOR, false);
 873         break;
 874     case LFUN_BACKSPACE:
 875         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 876 #ifndef NEW_INSETS
 877           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 878           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 879 #else
 880           bv->text->cursor.par()->previous,
 881           bv->text->cursor.par()->next
 882 #endif
 883                 );
 884         if (TEXT(bv)->selection)
 885             TEXT(bv)->CutSelection(bv);
 886         else
 887             TEXT(bv)->Backspace(bv);
 888         UpdateLocal(bv, CURSOR_PAR, true);
 889         break;
 890     case LFUN_DELETE:
 891         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 892 #ifndef NEW_INSETS
 893           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 894           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 895 #else
 896           bv->text->cursor.par()->previous,
 897           bv->text->cursor.par()->next
 898 #endif
 899                 );
 900         if (TEXT(bv)->selection)
 901             TEXT(bv)->CutSelection(bv);
 902         else
 903             TEXT(bv)->Delete(bv);
 904         UpdateLocal(bv, CURSOR_PAR, true);
 905         break;
 906     case LFUN_CUT:
 907         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 908 #ifndef NEW_INSETS
 909           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 910           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 911 #else
 912           bv->text->cursor.par()->previous,
 913           bv->text->cursor.par()->next
 914 #endif
 915                 );
 916         TEXT(bv)->CutSelection(bv);
 917         UpdateLocal(bv, CURSOR_PAR, true);
 918         break;
 919     case LFUN_COPY:
 920         bv->text->FinishUndo();
 921         TEXT(bv)->CopySelection(bv);
 922         UpdateLocal(bv, CURSOR_PAR, false);
 923         break;
 924     case LFUN_PASTESELECTION:
 925     {
 926         string clip(bv->workarea()->getClipboard());
 927
 928         if (clip.empty())
 929             break;
 930         if (arg == "paragraph") {
 931                 TEXT(bv)->InsertStringB(bv, clip);
 932         } else {
 933                 TEXT(bv)->InsertStringA(bv, clip);
 934         }
 935         UpdateLocal(bv, CURSOR_PAR, true);
 936         break;
 937     }
 938     case LFUN_PASTE:
 939         if (!autoBreakRows) {
 940             CutAndPaste cap;
 941
 942             if (cap.nrOfParagraphs() > 1) {
 943                 WriteAlert(_("Impossible operation"),
 944                            _("Cannot include more than one paragraph!"),
 945                            _("Sorry."));
 946                 break;
 947             }
 948         }
 949         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 950 #ifndef NEW_INSETS
 951           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 952           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 953 #else
 954           bv->text->cursor.par()->previous,
 955           bv->text->cursor.par()->next
 956 #endif
 957                 );
 958         TEXT(bv)->PasteSelection(bv);
 959         UpdateLocal(bv, CURSOR_PAR, true);
 960         break;
 961     case LFUN_BREAKPARAGRAPH:
 962         if (!autoBreakRows)
 963             return DISPATCHED;
 964         TEXT(bv)->BreakParagraph(bv, 0);
 965         UpdateLocal(bv, FULL, true);
 966         break;
 967     case LFUN_BREAKLINE:
 968         if (!autoBreakRows)
 969             return DISPATCHED;
 970         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 971 #ifndef NEW_INSETS
 972             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 973             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 974 #else
 975             bv->text->cursor.par()->previous,
 976             bv->text->cursor.par()->next
 977 #endif
 978                 );
 979         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 980         UpdateLocal(bv, CURSOR_PAR, true);
 981         break;
 982     case LFUN_LAYOUT:
 983         // do not set layouts on non breakable textinsets
 984         if (autoBreakRows) {
 985             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 986
 987             // Derive layout number from given argument (string)
 988             // and current buffer's textclass (number). */
 989             LyXTextClassList::ClassList::size_type tclass =
 990                 bv->buffer()->params.textclass;
 991             std::pair <bool, LyXTextClass::size_type> layout =
 992                 textclasslist.NumberOfLayout(tclass, arg);
 993
 994             // If the entry is obsolete, use the new one instead.
 995             if (layout.first) {
 996                 string obs = textclasslist.Style(tclass,layout.second).
 997                     obsoleted_by();
 998                 if (!obs.empty())
 999                     layout = textclasslist.NumberOfLayout(tclass, obs);
1000             }
1001
1002             // see if we found the layout number:
1003             if (!layout.first) {
1004                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1005
1006                 bv->owner()->getMiniBuffer()->Set(msg);
1007                 break;
1008             }
1009
1010             if (cur_layout != layout.second) {
1011                 cur_layout = layout.second;
1012                 TEXT(bv)->SetLayout(bv, layout.second);
1013                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1014                 UpdateLocal(bv, CURSOR_PAR, true);
1015             }
1016         } else {
1017             // reset the layout box
1018             bv->owner()->setLayout(cpar(bv)->GetLayout());
1019         }
1020         break;
1021     case LFUN_PARAGRAPH_SPACING:
1022             // This one is absolutely not working. When fiddling with this
1023             // it also seems to me that the paragraphs inside the insettext
1024             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1025     {
1026             LyXParagraph * par = TEXT(bv)->cursor.par();
1027             Spacing::Space cur_spacing = par->spacing.getSpace();
1028             float cur_value = 1.0;
1029             if (cur_spacing == Spacing::Other) {
1030                     cur_value = par->spacing.getValue();
1031             }
1032
1033             std::istringstream istr(arg.c_str());
1034             string tmp;
1035             istr >> tmp;
1036             Spacing::Space new_spacing = cur_spacing;
1037             float new_value = cur_value;
1038             if (tmp.empty()) {
1039                     lyxerr << "Missing argument to `paragraph-spacing'"
1040                            << endl;
1041             } else if (tmp == "single") {
1042                     new_spacing = Spacing::Single;
1043             } else if (tmp == "onehalf") {
1044                     new_spacing = Spacing::Onehalf;
1045             } else if (tmp == "double") {
1046                     new_spacing = Spacing::Double;
1047             } else if (tmp == "other") {
1048                     new_spacing = Spacing::Other;
1049                     float tmpval = 0.0;
1050                     istr >> tmpval;
1051                     lyxerr << "new_value = " << tmpval << endl;
1052                     if (tmpval != 0.0)
1053                             new_value = tmpval;
1054             } else if (tmp == "default") {
1055                     new_spacing = Spacing::Default;
1056             } else {
1057                     lyxerr << _("Unknown spacing argument: ")
1058                            << arg << endl;
1059             }
1060             if (cur_spacing != new_spacing || cur_value != new_value) {
1061                     par->spacing.set(new_spacing, new_value);
1062                     //TEXT(bv)->RedoParagraph(owner->view());
1063                     UpdateLocal(bv, CURSOR_PAR, true);
1064                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1065             }
1066     }
1067     break;
1068
1069     default:
1070         result = UNDISPATCHED;
1071         break;
1072     }
1073     if (result != FINISHED) {
1074         ShowInsetCursor(bv);
1075     } else
1076         bv->unlockInset(this);
1077     return result;
1078 }
1079
1080
1081 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1082 {
1083     TexRow texrow;
1084     buf->latexParagraphs(os, par, 0, texrow);
1085     return texrow.rows();
1086 }
1087
1088
1089 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1090 {
1091     LyXParagraph * p = par;
1092     unsigned int lines = 0;
1093
1094     string tmp;
1095     while (p) {
1096         tmp = buf->asciiParagraph(p, linelen);
1097         lines += countChar(tmp, '\n');
1098         os << tmp;
1099         p = p->next;
1100     }
1101     return lines;
1102 }
1103
1104
1105 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1106 {
1107     LyXParagraph * p = par;
1108     unsigned int lines = 0;
1109     int desc=0;
1110
1111     string tmp;
1112     while (p) {
1113         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1114         p = p->next;
1115     }
1116
1117     return lines;
1118 }
1119
1120
1121 void InsetText::Validate(LaTeXFeatures & features) const
1122 {
1123     LyXParagraph * p = par;
1124     while(p) {
1125         p->validate(features);
1126         p = p->next;
1127     }
1128 }
1129
1130
1131 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1132 {
1133     if (textclasslist.Style(buf->params.textclass,
1134                             p->GetLayout()).labeltype != LABEL_MANUAL)
1135         return 0;
1136     else
1137         return p->BeginningOfMainBody();
1138 }
1139
1140
1141 void InsetText::GetCursorPos(BufferView * bv,
1142                              int & x, int & y) const
1143 {
1144     x = cx(bv);
1145     y = cy(bv);
1146 }
1147
1148
1149 unsigned int InsetText::InsetInInsetY()
1150 {
1151     if (!the_locking_inset)
1152         return 0;
1153
1154     return (inset_y + the_locking_inset->InsetInInsetY());
1155 }
1156
1157
1158 void InsetText::ToggleInsetCursor(BufferView * bv)
1159 {
1160     if (the_locking_inset) {
1161         the_locking_inset->ToggleInsetCursor(bv);
1162         return;
1163     }
1164
1165     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1166
1167     int asc = lyxfont::maxAscent(font);
1168     int desc = lyxfont::maxDescent(font);
1169
1170     if (cursor_visible)
1171         bv->hideLockedInsetCursor();
1172     else
1173         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1174     cursor_visible = !cursor_visible;
1175 }
1176
1177
1178 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1179 {
1180     if (the_locking_inset) {
1181         the_locking_inset->ShowInsetCursor(bv);
1182         return;
1183     }
1184     if (!cursor_visible) {
1185         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1186
1187         int asc = lyxfont::maxAscent(font);
1188         int desc = lyxfont::maxDescent(font);
1189
1190         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1191         if (show)
1192             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1193         cursor_visible = true;
1194     }
1195 }
1196
1197
1198 void InsetText::HideInsetCursor(BufferView * bv)
1199 {
1200     if (cursor_visible) {
1201         bv->hideLockedInsetCursor();
1202         cursor_visible = false;
1203     }
1204     if (the_locking_inset)
1205         the_locking_inset->HideInsetCursor(bv);
1206 }
1207
1208
1209 UpdatableInset::RESULT
1210 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1211 {
1212     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1213         return FINISHED;
1214     if (activate_inset && checkAndActivateInset(bv, false))
1215         return DISPATCHED;
1216     TEXT(bv)->CursorRight(bv, selecting);
1217     return DISPATCHED_NOUPDATE;
1218 }
1219
1220
1221 UpdatableInset::RESULT
1222 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1223 {
1224     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1225         return FINISHED;
1226     TEXT(bv)->CursorLeft(bv, selecting);
1227     if (activate_inset && checkAndActivateInset(bv, true))
1228         return DISPATCHED;
1229     return DISPATCHED_NOUPDATE;
1230 }
1231
1232
1233 UpdatableInset::RESULT
1234 InsetText::moveUp(BufferView * bv)
1235 {
1236     if (!crow(bv)->previous())
1237         return FINISHED;
1238     TEXT(bv)->CursorUp(bv);
1239     return DISPATCHED_NOUPDATE;
1240 }
1241
1242
1243 UpdatableInset::RESULT
1244 InsetText::moveDown(BufferView * bv)
1245 {
1246     if (!crow(bv)->next())
1247         return FINISHED;
1248     TEXT(bv)->CursorDown(bv);
1249     return DISPATCHED_NOUPDATE;
1250 }
1251
1252
1253 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1254 {
1255     if (the_locking_inset) {
1256         if (the_locking_inset->InsertInsetAllowed(inset))
1257             return the_locking_inset->InsertInset(bv, inset);
1258         return false;
1259     }
1260     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1261 #ifndef NEW_INSETS
1262               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1263               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1264 #else
1265               bv->text->cursor.par()->previous,
1266               bv->text->cursor.par()->next
1267 #endif
1268             );
1269     inset->setOwner(this);
1270     HideInsetCursor(bv);
1271     TEXT(bv)->InsertInset(bv, inset);
1272     TEXT(bv)->selection = 0;
1273     TEXT(bv)->CursorLeft(bv);
1274     bv->fitCursor(TEXT(bv));
1275     UpdateLocal(bv, CURSOR_PAR, true);
1276 //    inset->Edit(bv, 0, 0, 0);
1277     ShowInsetCursor(bv);
1278     return true;
1279 }
1280
1281
1282 UpdatableInset * InsetText::GetLockingInset()
1283 {
1284     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1285 }
1286
1287
1288 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1289 {
1290     if (c == LyxCode())
1291         return this;
1292     if (the_locking_inset)
1293         return the_locking_inset->GetFirstLockingInsetOfType(c);
1294     return 0;
1295 }
1296
1297
1298 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1299 {
1300     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1301 #ifndef NEW_INSETS
1302               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1303               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1304 #else
1305               bv->text->cursor.par()->previous,
1306               bv->text->cursor.par()->next
1307 #endif
1308             );
1309     TEXT(bv)->SetFont(bv, font, toggleall);
1310     bv->fitCursor(TEXT(bv));
1311     UpdateLocal(bv, CURSOR_PAR, true);
1312 }
1313
1314
1315 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1316 {
1317     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1318         unsigned int x;
1319         unsigned int y;
1320         Inset * inset =
1321             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1322         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1323             return false;
1324         LyXFont const font =
1325                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1326         if (behind) {
1327             x = inset->width(bv, font);
1328             y = inset->descent(bv, font);
1329         } else {
1330             x = y = 0;
1331         }
1332         inset_x = cx(bv) - top_x + drawTextXOffset;
1333         inset_y = cy(bv) + drawTextYOffset;
1334         inset->Edit(bv, x - inset_x, y - inset_y, 0);
1335         if (!the_locking_inset)
1336             return false;
1337         UpdateLocal(bv, CURSOR_PAR, false);
1338         return true;
1339     }
1340     return false;
1341 }
1342
1343
1344 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1345                                       int button)
1346 {
1347     x = x - drawTextXOffset;
1348     y = y + insetAscent;
1349     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1350
1351     if (inset) {
1352         if (x < 0)
1353             x = insetWidth;
1354         if (y < 0)
1355             y = insetDescent;
1356         inset_x = cx(bv) - top_x + drawTextXOffset;
1357         inset_y = cy(bv) + drawTextYOffset;
1358         inset->Edit(bv, x - inset_x, y - inset_y, button);
1359         if (!the_locking_inset)
1360             return false;
1361         UpdateLocal(bv, CURSOR_PAR, false);
1362         return true;
1363     }
1364     return false;
1365 }
1366
1367
1368 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1369 {
1370     int w = UpdatableInset::getMaxWidth(pain, inset);
1371     if (w < 0) {
1372         return w;
1373     }
1374     if (owner()) {
1375         w = w - top_x + owner()->x();
1376         return w;
1377     }
1378     w -= (2 * TEXT_TO_INSET_OFFSET);
1379     return w - top_x;
1380 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1381 }
1382
1383
1384 void InsetText::SetParagraphData(LyXParagraph *p)
1385 {
1386     // delete all instances of LyXText before deleting the paragraps used
1387     // by it.
1388     for(Cache::const_iterator cit = cache.begin(); cit != cache.end(); ++cit)
1389         delete (*cit).second;
1390
1391     LyXParagraph * np;
1392     if (par) {
1393         np = par->next;
1394         delete par;
1395         while(np) {
1396             par = np;
1397             np = np->next;
1398             delete par;
1399         }
1400     }
1401     par = p->Clone();
1402     par->SetInsetOwner(this);
1403     np = par;
1404     while(p->next) {
1405         p = p->next;
1406         np->next = p->Clone();
1407         np->next->previous = np;
1408         np = np->next;
1409         np->SetInsetOwner(this);
1410     }
1411     need_update = INIT;
1412 }
1413
1414
1415 void InsetText::SetAutoBreakRows(bool flag)
1416 {
1417     if (flag != autoBreakRows) {
1418         autoBreakRows = flag;
1419         need_update = FULL;
1420         if (!flag)
1421             removeNewlines();
1422     }
1423 }
1424
1425
1426 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1427 {
1428     if (how != drawFrame) {
1429         drawFrame = how;
1430         if (bv)
1431             UpdateLocal(bv, DRAW_FRAME, false);
1432     }
1433 }
1434
1435
1436 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1437 {
1438     if (frame_color != col) {
1439         frame_color = col;
1440         if (bv)
1441             UpdateLocal(bv, DRAW_FRAME, false);
1442     }
1443 }
1444
1445 #if 0
1446 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1447 {
1448     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1449 }
1450 #endif
1451
1452
1453 int InsetText::cx(BufferView * bv) const
1454 {
1455     return TEXT(bv)->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1456 }
1457
1458
1459 int InsetText::cy(BufferView * bv) const
1460 {
1461     LyXFont font;
1462     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1463 }
1464
1465
1466 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1467 {
1468     return TEXT(bv)->cursor.pos();
1469 }
1470
1471
1472 LyXParagraph * InsetText::cpar(BufferView * bv) const
1473 {
1474     return TEXT(bv)->cursor.par();
1475 }
1476
1477
1478 Row * InsetText::crow(BufferView * bv) const
1479 {
1480     return TEXT(bv)->cursor.row();
1481 }
1482
1483
1484 LyXText * InsetText::getLyXText(BufferView * bv) const
1485 {
1486     if (cache.find(bv) != cache.end())
1487         return cache[bv];
1488     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1489     lt->init(bv);
1490     cache[bv] = lt;
1491     if (the_locking_inset) {
1492         lt->SetCursor(bv, inset_par, inset_pos);
1493     }
1494     return lt;
1495 }
1496
1497
1498 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1499 {
1500     if (cache.find(bv) == cache.end())
1501         return;
1502     delete cache[bv];
1503     cache.erase(bv);
1504     if (recursive) {
1505         /// then remove all LyXText in text-insets
1506         LyXParagraph * p = par;
1507         for(;p;p = p->next) {
1508             p->deleteInsetsLyXText(bv);
1509         }
1510     }
1511 }
1512
1513
1514 void InsetText::resizeLyXText(BufferView * bv) const
1515 {
1516     if (!par->next && !par->size()) // resize not neccessary!
1517         return;
1518     if (cache.find(bv) == cache.end())
1519         return;
1520
1521     LyXParagraph * lpar = 0;
1522     LyXParagraph * selstartpar = 0;
1523     LyXParagraph * selendpar = 0;
1524     LyXParagraph::size_type pos = 0;
1525     LyXParagraph::size_type selstartpos = 0;
1526     LyXParagraph::size_type selendpos = 0;
1527     int selection = 0;
1528     int mark_set = 0;
1529
1530 //    ProhibitInput(bv);
1531
1532     if (locked) {
1533         lpar = TEXT(bv)->cursor.par();
1534         pos = TEXT(bv)->cursor.pos();
1535         selstartpar = TEXT(bv)->sel_start_cursor.par();
1536         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1537         selendpar = TEXT(bv)->sel_end_cursor.par();
1538         selendpos = TEXT(bv)->sel_end_cursor.pos();
1539         selection = TEXT(bv)->selection;
1540         mark_set = TEXT(bv)->mark_set;
1541     }
1542     deleteLyXText(bv, (the_locking_inset == 0));
1543
1544     if (lpar) {
1545         TEXT(bv)->selection = true;
1546         /* at this point just to avoid the Delete-Empty-Paragraph
1547          * Mechanism when setting the cursor */
1548         TEXT(bv)->mark_set = mark_set;
1549         if (selection) {
1550             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos);
1551             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1552             TEXT(bv)->SetCursor(bv, selendpar, selendpos);
1553             TEXT(bv)->SetSelection();
1554             TEXT(bv)->SetCursor(bv, lpar, pos);
1555         } else {
1556             TEXT(bv)->SetCursor(bv, lpar, pos);
1557             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1558             TEXT(bv)->selection = false;
1559         }
1560     }
1561     if (bv->screen())
1562             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1563     // this will scroll the screen such that the cursor becomes visible
1564     bv->updateScrollbar();
1565 //    AllowInput(bv);
1566     if (the_locking_inset) {
1567         /// then resize all LyXText in text-insets
1568         inset_x = cx(bv) - top_x + drawTextXOffset;
1569         inset_y = cy(bv) + drawTextYOffset;
1570         for(LyXParagraph * p = par; p; p = p->next) {
1571             p->resizeInsetsLyXText(bv);
1572         }
1573     }
1574     need_update = FULL;
1575 }
1576
1577
1578 void InsetText::removeNewlines()
1579 {
1580     for(LyXParagraph * p = par; p; p = p->next) {
1581         for(int i = 0; i < p->Last(); ++i) {
1582             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1583                 p->Erase(i);
1584         }
1585     }
1586 }