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 extern bool math_insert_greek(BufferView *, char);
  59 extern int greek_kb_flag;
  60
  61 InsetText::InsetText()
  62 {
  63     par = new LyXParagraph();
  64     init();
  65 }
  66
  67
  68 InsetText::InsetText(InsetText const & ins)
  69         : UpdatableInset()
  70 {
  71     par = 0;
  72     init(&ins);
  73     autoBreakRows = ins.autoBreakRows;
  74 }
  75
  76
  77 InsetText & InsetText::operator=(InsetText const & it)
  78 {
  79     init(&it);
  80     autoBreakRows = it.autoBreakRows;
  81     return * this;
  82 }
  83
  84
  85 void InsetText::init(InsetText const * ins)
  86 {
  87     top_y = 0;
  88     last_width = 0;
  89     last_height = 0;
  90     insetAscent = 0;
  91     insetDescent = 0;
  92     insetWidth = 0;
  93     the_locking_inset = 0;
  94     cursor_visible = false;
  95     interline_space = 1;
  96     no_selection = false;
  97     need_update = INIT;
  98     drawTextXOffset = 0;
  99     drawTextYOffset = 0;
 100     autoBreakRows = false;
 101     drawFrame = NEVER;
 102     xpos = 0.0;
 103     if (ins) {
 104         SetParagraphData(ins->par);
 105         autoBreakRows = ins->autoBreakRows;
 106         drawFrame = ins->drawFrame;
 107     }
 108     par->SetInsetOwner(this);
 109     frame_color = LColor::insetframe;
 110     locked = false;
 111     old_par = 0;
 112 }
 113
 114
 115 InsetText::~InsetText()
 116 {
 117     // delete all instances of LyXText before deleting the paragraps used
 118     // by it.
 119     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 120         delete (*cit).second;
 121         (*cit).second = 0;
 122     }
 123 #ifndef NEW_INSETS
 124     LyXParagraph * p = par->next_;
 125     delete par;
 126     while(p) {
 127         par = p;
 128         p = p->next_;
 129         delete par;
 130     }
 131 #else
 132     LyXParagraph * p = par->next();
 133     delete par;
 134     while(p) {
 135         par = p;
 136         p = p->next();
 137         delete par;
 138     }
 139 #endif
 140 }
 141
 142
 143 void InsetText::clear()
 144 {
 145     // delete all instances of LyXText before deleting the paragraps used
 146     // by it.
 147     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 148         delete (*cit).second;
 149         (*cit).second = 0;
 150     }
 151 #ifndef NEW_INSETS
 152     LyXParagraph * p = par->next_;
 153     delete par;
 154     while(p) {
 155         par = p;
 156         p = p->next_;
 157         delete par;
 158     }
 159 #else
 160     LyXParagraph * p = par->next();
 161     delete par;
 162     while(p) {
 163         par = p;
 164         p = p->next();
 165         delete par;
 166     }
 167 #endif
 168     par = new LyXParagraph();
 169 }
 170
 171
 172 Inset * InsetText::Clone(Buffer const &) const
 173 {
 174     InsetText * t = new InsetText(*this);
 175     return t;
 176 }
 177
 178
 179 void InsetText::Write(Buffer const * buf, ostream & os) const
 180 {
 181     os << "Text\n";
 182     WriteParagraphData(buf, os);
 183 }
 184
 185
 186 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 187 {
 188     par->writeFile(buf, os, buf->params, 0, 0);
 189 }
 190
 191
 192 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 193 {
 194     string token;
 195     int pos = 0;
 196     LyXParagraph * return_par = 0;
 197     char depth = 0; // signed or unsigned?
 198 #ifndef NEW_INSETS
 199     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 200     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 201 #endif
 202     LyXFont font(LyXFont::ALL_INHERIT);
 203
 204     // delete all instances of LyXText before deleting the paragraps used
 205     // by it.
 206     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 207         delete (*cit).second;
 208         (*cit).second = 0;
 209     }
 210
 211 #ifndef NEW_INSETS
 212     LyXParagraph * p = par->next_;
 213     delete par;
 214     while(p) {
 215         par = p;
 216         p = p->next_;
 217         delete par;
 218     }
 219 #else
 220     LyXParagraph * p = par->next();
 221     delete par;
 222     while(p) {
 223         par = p;
 224         p = p->next();
 225         delete par;
 226     }
 227 #endif
 228     par = new LyXParagraph;
 229     while (lex.IsOK()) {
 230         lex.nextToken();
 231         token = lex.GetString();
 232         if (token.empty())
 233             continue;
 234         if (token == "\\end_inset")
 235             break;
 236         if (const_cast<Buffer*>(buf)->
 237             parseSingleLyXformat2Token(lex, par, return_par,token, pos, depth,
 238                                        font
 239 #ifndef NEW_INSETS
 240                                        , footnoteflag, footnotekind
 241 #endif
 242                                        ))
 243         {
 244             // the_end read this should NEVER happen
 245             lex.printError("\\the_end read in inset! Error in document!");
 246             return;
 247         }
 248     }
 249     if (!return_par)
 250             return_par = par;
 251     par = return_par;
 252     while(return_par) {
 253         return_par->SetInsetOwner(this);
 254 #ifndef NEW_INSETS
 255         return_par = return_par->next_;
 256 #else
 257         return_par = return_par->next();
 258 #endif
 259     }
 260
 261     if (token != "\\end_inset") {
 262         lex.printError("Missing \\end_inset at this point. "
 263                        "Read: `$$Token'");
 264     }
 265     need_update = INIT;
 266 }
 267
 268
 269 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 270 {
 271     int y_temp = 0;
 272     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 273     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 274     return insetAscent;
 275 }
 276
 277
 278 int InsetText::descent(BufferView * bv, LyXFont const &) const
 279 {
 280     int y_temp = 0;
 281     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 282     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 283         TEXT_TO_INSET_OFFSET;
 284     return insetDescent;
 285 }
 286
 287
 288 int InsetText::width(BufferView * bv, LyXFont const &) const
 289 {
 290     insetWidth = max(textWidth(bv->painter()),
 291                      (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 292     return insetWidth;
 293 }
 294
 295
 296 int InsetText::textWidth(Painter & pain) const
 297 {
 298     int const w = getMaxWidth(pain, this);
 299     return w;
 300 }
 301
 302
 303 void InsetText::draw(BufferView * bv, LyXFont const & f,
 304                      int baseline, float & x, bool cleared) const
 305 {
 306     Painter & pain = bv->painter();
 307
 308     // no draw is necessary !!!
 309     if ((drawFrame == LOCKED) && !locked && !par->size()) {
 310         if (!cleared && (need_update & CLEAR_FRAME)) {
 311             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 312                            width(bv, f) - 1,
 313                            insetAscent + insetDescent - 1,
 314                            LColor::background);
 315         }
 316         top_x = int(x);
 317         top_baseline = baseline;
 318         x += width(bv, f);
 319         need_update = NONE;
 320         return;
 321     }
 322
 323     xpos = x;
 324     UpdatableInset::draw(bv, f, baseline, x, cleared);
 325
 326     // if top_x differs we have a rule down and we don't have to clear anything
 327     if (!cleared && (top_x == int(x)) &&
 328         ((need_update==INIT)||(need_update==FULL)||(top_baseline!=baseline)))
 329     {
 330         int w =  insetWidth;
 331         int h = insetAscent + insetDescent;
 332         int ty = baseline - insetAscent;
 333
 334         if (ty < 0) {
 335             h += ty;
 336             ty = 0;
 337         }
 338         if ((ty + h) > pain.paperHeight())
 339             h = pain.paperHeight();
 340         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 341             w = pain.paperWidth();
 342         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 343         cleared = true;
 344         need_update = FULL;
 345     }
 346     if (!cleared && (need_update == NONE))
 347         return;
 348
 349     if (top_x != int(x)) {
 350         need_update = INIT;
 351         top_x = int(x);
 352         bv->text->status = LyXText::CHANGED_IN_DRAW;
 353         return;
 354     }
 355     if (cleared)
 356         need_update = FULL;
 357
 358     top_baseline = baseline;
 359     top_y = baseline - ascent(bv, f);
 360     last_width = width(bv, f);
 361     last_height = ascent(bv, f) + descent(bv, f);
 362
 363     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 364         inset_x = cx(bv) - top_x + drawTextXOffset;
 365         inset_y = cy(bv) + drawTextYOffset;
 366     }
 367     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 368         x += width(bv, f);
 369         need_update = NONE;
 370         return;
 371     }
 372     x += TEXT_TO_INSET_OFFSET;
 373     {
 374         int y = 0;
 375         Row * row = TEXT(bv)->GetRowNearY(y);
 376         int y_offset = baseline - row->ascent_of_text();
 377         int ph = pain.paperHeight();
 378         int first = 0;
 379         y = y_offset;
 380         while ((row != 0) && ((y+row->height()) <= 0)) {
 381             y += row->height();
 382             first += row->height();
 383             row = row->next();
 384         }
 385         if (y_offset < 0)
 386             y_offset = y;
 387         TEXT(bv)->first = first;
 388         if (cleared) { // (need_update&FULL) || (need_update&INIT)
 389             int yf = y_offset;
 390             y = 0;
 391             while ((row != 0) && (yf < ph)) {
 392                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 393                                             y+first, cleared);
 394                 y += row->height();
 395                 yf += row->height();
 396                 row = row->next();
 397             }
 398         } else if (!locked) {
 399             if (need_update & CURSOR) {
 400                 bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 401                 TEXT(bv)->ClearSelection(bv);
 402                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 403             }
 404             bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 405         } else {
 406             locked = false;
 407             if (need_update & SELECTION)
 408                 bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 409             else if (need_update & CURSOR) {
 410                 bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 411                 TEXT(bv)->ClearSelection(bv);
 412                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 413             }
 414             bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 415             locked = true;
 416         }
 417     }
 418     TEXT(bv)->refresh_y = 0;
 419     TEXT(bv)->status = LyXText::UNCHANGED;
 420     if ((need_update != CURSOR_PAR) &&
 421         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 422     {
 423             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 424                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 425                            frame_color);
 426     } else if (need_update & CLEAR_FRAME) {
 427             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 428                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 429                            LColor::background);
 430     }
 431     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 432     if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 433         need_update = INIT;
 434     } else if (need_update != INIT)
 435         need_update = NONE;
 436 }
 437
 438
 439 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 440 {
 441     if (reinit) {  // && (need_update != CURSOR)) {
 442         need_update = INIT;
 443         resizeLyXText(bv);
 444         if (owner())
 445             owner()->update(bv, font, true);
 446         return;
 447     }
 448     if (the_locking_inset) {
 449         inset_x = cx(bv) - top_x + drawTextXOffset;
 450         inset_y = cy(bv) + drawTextYOffset;
 451         the_locking_inset->update(bv, font, reinit);
 452     }
 453     if (need_update == INIT) {
 454         resizeLyXText(bv);
 455         need_update = FULL;
 456     }
 457     int oldw = insetWidth;
 458 #if 1
 459     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 460     // max(textWidth(bv->painter()),
 461     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 462     // (2 * TEXT_TO_INSET_OFFSET);
 463 #else
 464     insetWidth = textWidth(bv->painter());
 465     if (insetWidth < 0)
 466             insetWidth = static_cast<int>(TEXT(bv)->width);
 467 #endif
 468     if (oldw != insetWidth) {
 469 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 470 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 471         resizeLyXText(bv);
 472         need_update = FULL;
 473         update(bv, font, reinit);
 474         return;
 475     }
 476     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 477         the_locking_inset)
 478     {
 479         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 480     }
 481
 482     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 483         need_update = FULL;
 484
 485     int y_temp = 0;
 486     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 487     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 488     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 489         TEXT_TO_INSET_OFFSET;
 490 }
 491
 492 void InsetText::SetUpdateStatus(BufferView * bv, int what)
 493 {
 494     need_update |= what;
 495     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 496         need_update |= FULL;
 497     else if (TEXT(bv)->status == LyXText::NEED_VERY_LITTLE_REFRESH)
 498         need_update |= CURSOR_PAR;
 499
 500     // this to not draw a selection when we redraw all of it!
 501     if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 502         TEXT(bv)->ClearSelection(bv);
 503 }
 504
 505 void InsetText::UpdateLocal(BufferView * bv, int what, bool mark_dirty)
 506 {
 507     TEXT(bv)->FullRebreak(bv);
 508     SetUpdateStatus(bv, what);
 509     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 510         TEXT(bv)->selection)
 511             bv->updateInset(this, mark_dirty);
 512     bv->owner()->showState();
 513     if (old_par != cpar(bv)) {
 514             bv->owner()->setLayout(cpar(bv)->GetLayout());
 515             old_par = cpar(bv);
 516     }
 517 }
 518
 519
 520 string const InsetText::EditMessage() const
 521 {
 522     return _("Opened Text Inset");
 523 }
 524
 525
 526 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 527 {
 528 //    par->SetInsetOwner(this);
 529     UpdatableInset::Edit(bv, x, y, button);
 530
 531     if (!bv->lockInset(this)) {
 532         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 533         return;
 534     }
 535     locked = true;
 536     the_locking_inset = 0;
 537     inset_pos = inset_x = inset_y = 0;
 538     inset_boundary = false;
 539     inset_par = 0;
 540     old_par = 0;
 541     if (!checkAndActivateInset(bv, x, y, button))
 542         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 543                                            y+insetAscent);
 544     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 545     bv->text->FinishUndo();
 546     ShowInsetCursor(bv);
 547     UpdateLocal(bv, FULL, false);
 548
 549     // If the inset is empty set the language of the current font to the
 550     // language to the surronding text.
 551 #ifndef NEW_INSETS
 552     if (par->Last() == 0 && !par->next_) {
 553 #else
 554     if (par->size() == 0 && !par->next()) {
 555 #endif
 556         LyXFont font(LyXFont::ALL_IGNORE);
 557         font.setLanguage(bv->getParentLanguage(this));
 558         SetFont(bv, font, false);
 559     }
 560 }
 561
 562
 563 void InsetText::InsetUnlock(BufferView * bv)
 564 {
 565     if (the_locking_inset) {
 566         the_locking_inset->InsetUnlock(bv);
 567         the_locking_inset = 0;
 568     }
 569     HideInsetCursor(bv);
 570     no_selection = false;
 571     locked = false;
 572     UpdateLocal(bv, CLEAR_FRAME|CURSOR, false);
 573     if (owner())
 574             bv->owner()->setLayout(owner()->getLyXText(bv)
 575                                     ->cursor.par()->GetLayout());
 576     else
 577             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 578 }
 579
 580
 581 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 582 {
 583     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 584     if (!inset)
 585         return false;
 586     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 587         lyxerr[Debug::INSETS] << "OK" << endl;
 588         the_locking_inset = inset;
 589         inset_x = cx(bv) - top_x + drawTextXOffset;
 590         inset_y = cy(bv) + drawTextYOffset;
 591         inset_pos = cpos(bv);
 592         inset_par = cpar(bv);
 593         inset_boundary = cboundary(bv);
 594 #if 0
 595         TEXT(bv)->ClearSelection(bv);
 596         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 597         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 598 #else
 599         UpdateLocal(bv, CURSOR, false);
 600 #endif
 601         return true;
 602     } else if (the_locking_inset && (the_locking_inset == inset)) {
 603         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 604             lyxerr[Debug::INSETS] << "OK" << endl;
 605             inset_x = cx(bv) - top_x + drawTextXOffset;
 606             inset_y = cy(bv) + drawTextYOffset;
 607         } else {
 608             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 609         }
 610     } else if (the_locking_inset) {
 611         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 612         return the_locking_inset->LockInsetInInset(bv, inset);
 613     }
 614     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 615     return false;
 616 }
 617
 618
 619 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 620                                    bool lr)
 621 {
 622     if (!the_locking_inset)
 623         return false;
 624     if (the_locking_inset == inset) {
 625         the_locking_inset->InsetUnlock(bv);
 626         TEXT(bv)->UpdateInset(bv, inset);
 627         the_locking_inset = 0;
 628         if (lr)
 629             moveRight(bv, false);
 630         old_par = 0; // force layout setting
 631         UpdateLocal(bv, CURSOR_PAR, false);
 632         return true;
 633     }
 634     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 635 }
 636
 637
 638 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 639 {
 640     if (!the_locking_inset)
 641         return false;
 642     if (the_locking_inset != inset) {
 643         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 644         SetUpdateStatus(bv, CURSOR_PAR);
 645         return the_locking_inset->UpdateInsetInInset(bv, inset);
 646     }
 647 //    UpdateLocal(bv, FULL, false);
 648     if (TEXT(bv)->UpdateInset(bv, inset))
 649         UpdateLocal(bv, CURSOR_PAR, false);
 650     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 651         inset_x = cx(bv) - top_x + drawTextXOffset;
 652         inset_y = cy(bv) + drawTextYOffset;
 653     }
 654     return true;
 655 }
 656
 657
 658 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 659 {
 660     no_selection = true;
 661
 662     int tmp_x = x - drawTextXOffset;
 663     int tmp_y = y + insetAscent - TEXT(bv)->first;
 664     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 665
 666     HideInsetCursor(bv);
 667     if (the_locking_inset) {
 668         if (the_locking_inset == inset) {
 669             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 670             no_selection = false;
 671             return;
 672         } else if (inset) {
 673             // otherwise unlock the_locking_inset and lock the new inset
 674             the_locking_inset->InsetUnlock(bv);
 675             inset_x = cx(bv) - top_x + drawTextXOffset;
 676             inset_y = cy(bv) + drawTextYOffset;
 677             the_locking_inset = static_cast<UpdatableInset*>(inset);
 678             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 679             inset->Edit(bv, x - inset_x, y - inset_y, button);
 680             if (the_locking_inset)
 681                 UpdateLocal(bv, CURSOR, false);
 682             no_selection = false;
 683             return;
 684         }
 685         // otherwise only unlock the_locking_inset
 686         the_locking_inset->InsetUnlock(bv);
 687         the_locking_inset = 0;
 688     }
 689     if (bv->theLockingInset()) {
 690         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 691             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 692             inset_x = cx(bv) - top_x + drawTextXOffset;
 693             inset_y = cy(bv) + drawTextYOffset;
 694             inset_pos = cpos(bv);
 695             inset_par = cpar(bv);
 696             inset_boundary = cboundary(bv);
 697             the_locking_inset = uinset;
 698             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 699             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 700             if (the_locking_inset)
 701                 UpdateLocal(bv, CURSOR, false);
 702             no_selection = false;
 703             return;
 704         }
 705     }
 706     if (!inset) {
 707         bool paste_internally = false;
 708         if ((button == 2) && TEXT(bv)->selection) {
 709             LocalDispatch(bv, LFUN_COPY, "");
 710             paste_internally = true;
 711         }
 712         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 713                                            y + insetAscent);
 714         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 715         UpdateLocal(bv, CURSOR, false);
 716         bv->owner()->setLayout(cpar(bv)->GetLayout());
 717         old_par = cpar(bv);
 718         // Insert primary selection with middle mouse
 719         // if there is a local selection in the current buffer,
 720         // insert this
 721         if (button == 2) {
 722             if (paste_internally)
 723                 LocalDispatch(bv, LFUN_PASTE, "");
 724             else
 725                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 726         }
 727     }
 728     ShowInsetCursor(bv);
 729     no_selection = false;
 730 }
 731
 732
 733 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 734 {
 735     UpdatableInset * inset = 0;
 736
 737     if (the_locking_inset) {
 738             the_locking_inset->InsetButtonRelease(bv,
 739                                                   x - inset_x, y - inset_y,
 740                                                   button);
 741     } else {
 742         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 743             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 744             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 745                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 746             } else {
 747                 inset_x = cx(bv) - top_x + drawTextXOffset;
 748                 inset_y = cy(bv) + drawTextYOffset;
 749                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 750                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 751             }
 752             UpdateLocal(bv, CURSOR_PAR, false);
 753         }
 754     }
 755     no_selection = false;
 756 }
 757
 758
 759 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 760 {
 761     if (no_selection)
 762         return;
 763     if (the_locking_inset) {
 764         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 765                                              y - inset_y,state);
 766         return;
 767     }
 768     HideInsetCursor(bv);
 769     TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 770                                        y+insetAscent);
 771     TEXT(bv)->SetSelection(bv);
 772     if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 773         TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 774         UpdateLocal(bv, SELECTION, false);
 775     ShowInsetCursor(bv);
 776 }
 777
 778
 779 void InsetText::InsetKeyPress(XKeyEvent * xke)
 780 {
 781     if (the_locking_inset) {
 782         the_locking_inset->InsetKeyPress(xke);
 783         return;
 784     }
 785 }
 786
 787
 788 UpdatableInset::RESULT
 789 InsetText::LocalDispatch(BufferView * bv,
 790                          kb_action action, string const & arg)
 791 {
 792     no_selection = false;
 793     UpdatableInset::RESULT
 794         result= UpdatableInset::LocalDispatch(bv, action, arg);
 795     if (result != UNDISPATCHED) {
 796         return DISPATCHED;
 797     }
 798
 799     result=DISPATCHED;
 800     if ((action < 0) && arg.empty())
 801         return FINISHED;
 802
 803     if (the_locking_inset) {
 804         result = the_locking_inset->LocalDispatch(bv, action, arg);
 805         if (result == DISPATCHED_NOUPDATE)
 806             return result;
 807         else if (result == DISPATCHED) {
 808             UpdateLocal(bv, CURSOR_PAR, false);
 809             return result;
 810         } else if (result == FINISHED) {
 811             bool dispatched = false;
 812             switch (action) {
 813             case LFUN_UNKNOWN_ACTION:
 814             case LFUN_BREAKPARAGRAPH:
 815             case LFUN_BREAKLINE:
 816                moveRightIntern(bv, false, false);
 817                break;
 818             case LFUN_RIGHT:
 819                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 820                     moveRightIntern(bv, false, false);
 821                 dispatched = true;
 822                 break;
 823             case LFUN_LEFT:
 824                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 825                     moveRightIntern(bv, false, false);
 826                 dispatched = true;
 827                 break;
 828             default:
 829                 break;
 830             }
 831             the_locking_inset = 0;
 832             if (dispatched)
 833                 return DISPATCHED;
 834         }
 835     }
 836     HideInsetCursor(bv);
 837     switch (action) {
 838         // Normal chars
 839     case LFUN_UNKNOWN_ACTION:
 840         if (bv->buffer()->isReadonly()) {
 841 //          setErrorMessage(N_("Document is read only"));
 842             break;
 843         }
 844         if (!arg.empty()) {
 845             /* Automatically delete the currently selected
 846              * text and replace it with what is being
 847              * typed in now. Depends on lyxrc settings
 848              * "auto_region_delete", which defaults to
 849              * true (on). */
 850
 851             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 852 #ifndef NEW_INSETS
 853                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 854                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 855 #else
 856                               bv->text->cursor.par()->previous(),
 857                               bv->text->cursor.par()->next()
 858 #endif
 859                     );
 860             bv->setState();
 861             if (lyxrc.auto_region_delete) {
 862                 if (TEXT(bv)->selection){
 863                     TEXT(bv)->CutSelection(bv, false);
 864                 }
 865             }
 866             TEXT(bv)->ClearSelection(bv);
 867             for (string::size_type i = 0; i < arg.length(); ++i) {
 868                 if (greek_kb_flag) {
 869                     if (!math_insert_greek(bv, arg[i])) {
 870                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 871                     } else if (!the_locking_inset) {
 872                         (void)moveRight(bv, false);
 873                     }
 874                 } else {
 875                     bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 876                 }
 877             }
 878         }
 879         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 880         UpdateLocal(bv, CURSOR_PAR, true);
 881         result=DISPATCHED_NOUPDATE;
 882         break;
 883         // --- Cursor Movements ---------------------------------------------
 884     case LFUN_RIGHTSEL:
 885         bv->text->FinishUndo();
 886         moveRight(bv, false, true);
 887         TEXT(bv)->SetSelection(bv);
 888         UpdateLocal(bv, SELECTION, false);
 889         break;
 890     case LFUN_RIGHT:
 891         result = moveRight(bv);
 892         bv->text->FinishUndo();
 893         UpdateLocal(bv, CURSOR, false);
 894         break;
 895     case LFUN_LEFTSEL:
 896         bv->text->FinishUndo();
 897         moveLeft(bv, false, true);
 898         TEXT(bv)->SetSelection(bv);
 899         UpdateLocal(bv, SELECTION, false);
 900         break;
 901     case LFUN_LEFT:
 902         bv->text->FinishUndo();
 903         result = moveLeft(bv);
 904         UpdateLocal(bv, CURSOR, false);
 905         break;
 906     case LFUN_DOWNSEL:
 907         bv->text->FinishUndo();
 908         moveDown(bv);
 909         TEXT(bv)->SetSelection(bv);
 910         UpdateLocal(bv, SELECTION, false);
 911         break;
 912     case LFUN_DOWN:
 913         bv->text->FinishUndo();
 914         result = moveDown(bv);
 915         UpdateLocal(bv, CURSOR, false);
 916         break;
 917     case LFUN_UPSEL:
 918         bv->text->FinishUndo();
 919         moveUp(bv);
 920         TEXT(bv)->SetSelection(bv);
 921         UpdateLocal(bv, SELECTION, false);
 922         break;
 923     case LFUN_UP:
 924         bv->text->FinishUndo();
 925         result = moveUp(bv);
 926         UpdateLocal(bv, CURSOR, false);
 927         break;
 928     case LFUN_HOME:
 929         bv->text->FinishUndo();
 930         TEXT(bv)->CursorHome(bv);
 931         UpdateLocal(bv, CURSOR, false);
 932         break;
 933     case LFUN_END:
 934         TEXT(bv)->CursorEnd(bv);
 935         UpdateLocal(bv, CURSOR, false);
 936         break;
 937     case LFUN_BACKSPACE:
 938         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 939 #ifndef NEW_INSETS
 940           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 941                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 942 #else
 943           bv->text->cursor.par()->previous(),
 944           bv->text->cursor.par()->next()
 945 #endif
 946                 );
 947         if (TEXT(bv)->selection)
 948             TEXT(bv)->CutSelection(bv);
 949         else
 950             TEXT(bv)->Backspace(bv);
 951         UpdateLocal(bv, CURSOR_PAR, true);
 952         break;
 953     case LFUN_DELETE:
 954         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 955 #ifndef NEW_INSETS
 956           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 957                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 958 #else
 959           bv->text->cursor.par()->previous(),
 960           bv->text->cursor.par()->next()
 961 #endif
 962                 );
 963         if (TEXT(bv)->selection)
 964             TEXT(bv)->CutSelection(bv);
 965         else
 966             TEXT(bv)->Delete(bv);
 967         UpdateLocal(bv, CURSOR_PAR, true);
 968         break;
 969     case LFUN_CUT:
 970         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 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)->CutSelection(bv);
 980         UpdateLocal(bv, CURSOR_PAR, true);
 981         break;
 982     case LFUN_COPY:
 983         bv->text->FinishUndo();
 984         TEXT(bv)->CopySelection(bv);
 985         UpdateLocal(bv, CURSOR_PAR, false);
 986         break;
 987     case LFUN_PASTESELECTION:
 988     {
 989         string clip(bv->workarea()->getClipboard());
 990
 991         if (clip.empty())
 992             break;
 993         if (arg == "paragraph") {
 994                 TEXT(bv)->InsertStringB(bv, clip);
 995         } else {
 996                 TEXT(bv)->InsertStringA(bv, clip);
 997         }
 998         UpdateLocal(bv, CURSOR_PAR, true);
 999         break;
1000     }
1001     case LFUN_PASTE:
1002         if (!autoBreakRows) {
1003             CutAndPaste cap;
1004
1005             if (cap.nrOfParagraphs() > 1) {
1006                 WriteAlert(_("Impossible operation"),
1007                            _("Cannot include more than one paragraph!"),
1008                            _("Sorry."));
1009                 break;
1010             }
1011         }
1012         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1013 #ifndef NEW_INSETS
1014           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1015           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1016 #else
1017           bv->text->cursor.par()->previous(),
1018           bv->text->cursor.par()->next()
1019 #endif
1020                 );
1021         TEXT(bv)->PasteSelection(bv);
1022         UpdateLocal(bv, CURSOR_PAR, true);
1023         break;
1024     case LFUN_BREAKPARAGRAPH:
1025         if (!autoBreakRows)
1026             return DISPATCHED;
1027         TEXT(bv)->BreakParagraph(bv, 0);
1028         UpdateLocal(bv, FULL, true);
1029         break;
1030     case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1031         if (!autoBreakRows)
1032             return DISPATCHED;
1033         TEXT(bv)->BreakParagraph(bv, 1);
1034         UpdateLocal(bv, FULL, true);
1035         break;
1036     case LFUN_BREAKLINE:
1037         if (!autoBreakRows)
1038             return DISPATCHED;
1039         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1040 #ifndef NEW_INSETS
1041             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1042             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1043 #else
1044             bv->text->cursor.par()->previous(),
1045             bv->text->cursor.par()->next()
1046 #endif
1047                 );
1048         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1049         UpdateLocal(bv, CURSOR_PAR, true);
1050         break;
1051     case LFUN_LAYOUT:
1052         // do not set layouts on non breakable textinsets
1053         if (autoBreakRows) {
1054             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1055
1056             // Derive layout number from given argument (string)
1057             // and current buffer's textclass (number). */
1058             LyXTextClassList::ClassList::size_type tclass =
1059                 bv->buffer()->params.textclass;
1060             std::pair <bool, LyXTextClass::size_type> layout =
1061                 textclasslist.NumberOfLayout(tclass, arg);
1062
1063             // If the entry is obsolete, use the new one instead.
1064             if (layout.first) {
1065                 string obs = textclasslist.Style(tclass,layout.second).
1066                     obsoleted_by();
1067                 if (!obs.empty())
1068                     layout = textclasslist.NumberOfLayout(tclass, obs);
1069             }
1070
1071             // see if we found the layout number:
1072             if (!layout.first) {
1073                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1074
1075                 bv->owner()->getMiniBuffer()->Set(msg);
1076                 break;
1077             }
1078
1079             if (cur_layout != layout.second) {
1080                 cur_layout = layout.second;
1081                 TEXT(bv)->SetLayout(bv, layout.second);
1082                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1083                 UpdateLocal(bv, CURSOR_PAR, true);
1084             }
1085         } else {
1086             // reset the layout box
1087             bv->owner()->setLayout(cpar(bv)->GetLayout());
1088         }
1089         break;
1090     case LFUN_PARAGRAPH_SPACING:
1091             // This one is absolutely not working. When fiddling with this
1092             // it also seems to me that the paragraphs inside the insettext
1093             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1094     {
1095             LyXParagraph * par = TEXT(bv)->cursor.par();
1096             Spacing::Space cur_spacing = par->params.spacing().getSpace();
1097             float cur_value = 1.0;
1098             if (cur_spacing == Spacing::Other) {
1099                     cur_value = par->params.spacing().getValue();
1100             }
1101
1102             std::istringstream istr(arg.c_str());
1103             string tmp;
1104             istr >> tmp;
1105             Spacing::Space new_spacing = cur_spacing;
1106             float new_value = cur_value;
1107             if (tmp.empty()) {
1108                     lyxerr << "Missing argument to `paragraph-spacing'"
1109                            << endl;
1110             } else if (tmp == "single") {
1111                     new_spacing = Spacing::Single;
1112             } else if (tmp == "onehalf") {
1113                     new_spacing = Spacing::Onehalf;
1114             } else if (tmp == "double") {
1115                     new_spacing = Spacing::Double;
1116             } else if (tmp == "other") {
1117                     new_spacing = Spacing::Other;
1118                     float tmpval = 0.0;
1119                     istr >> tmpval;
1120                     lyxerr << "new_value = " << tmpval << endl;
1121                     if (tmpval != 0.0)
1122                             new_value = tmpval;
1123             } else if (tmp == "default") {
1124                     new_spacing = Spacing::Default;
1125             } else {
1126                     lyxerr << _("Unknown spacing argument: ")
1127                            << arg << endl;
1128             }
1129             if (cur_spacing != new_spacing || cur_value != new_value) {
1130                     par->params.spacing(Spacing(new_spacing, new_value));
1131                     //TEXT(bv)->RedoParagraph(owner->view());
1132                     UpdateLocal(bv, CURSOR_PAR, true);
1133                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1134             }
1135     }
1136     break;
1137
1138     default:
1139         if (!bv->Dispatch(action, arg))
1140             result = UNDISPATCHED;
1141         break;
1142     }
1143
1144     /// If the action has deleted all text in the inset, we need to change the
1145     // language to the language to the surronding text.
1146 #ifndef NEW_INSETS
1147     if (par->Last() == 0 && !par->next_) {
1148 #else
1149     if (par->size() == 0 && !par->next()) {
1150 #endif
1151         LyXFont font(LyXFont::ALL_IGNORE);
1152         font.setLanguage(bv->getParentLanguage(this));
1153         SetFont(bv, font, false);
1154     }
1155
1156     if (result != FINISHED) {
1157         ShowInsetCursor(bv);
1158     } else
1159         bv->unlockInset(this);
1160     return result;
1161 }
1162
1163
1164 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1165 {
1166     TexRow texrow;
1167     buf->latexParagraphs(os, par, 0, texrow);
1168     return texrow.rows();
1169 }
1170
1171
1172 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1173 {
1174     LyXParagraph * p = par;
1175     unsigned int lines = 0;
1176
1177     string tmp;
1178     while (p) {
1179         tmp = buf->asciiParagraph(p, linelen);
1180         lines += countChar(tmp, '\n');
1181         os << tmp;
1182 #ifndef NEW_INSETS
1183         p = p->next();
1184 #else
1185         p = p->next();
1186 #endif
1187     }
1188     return lines;
1189 }
1190
1191
1192 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1193 {
1194     LyXParagraph * p = par;
1195     unsigned int lines = 0;
1196     int desc=0;
1197
1198     string tmp;
1199     while (p) {
1200         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1201 #ifndef NEW_INSETS
1202         p = p->next_;
1203 #else
1204         p = p->next();
1205 #endif
1206     }
1207
1208     return lines;
1209 }
1210
1211
1212 void InsetText::Validate(LaTeXFeatures & features) const
1213 {
1214     LyXParagraph * p = par;
1215     while(p) {
1216         p->validate(features);
1217 #ifndef NEW_INSETS
1218         p = p->next_;
1219 #else
1220         p = p->next();
1221 #endif
1222     }
1223 }
1224
1225
1226 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1227 {
1228     if (textclasslist.Style(buf->params.textclass,
1229                             p->GetLayout()).labeltype != LABEL_MANUAL)
1230         return 0;
1231     else
1232         return p->BeginningOfMainBody();
1233 }
1234
1235
1236 void InsetText::GetCursorPos(BufferView * bv,
1237                              int & x, int & y) const
1238 {
1239     x = cx(bv);
1240     y = cy(bv);
1241 }
1242
1243
1244 unsigned int InsetText::InsetInInsetY()
1245 {
1246     if (!the_locking_inset)
1247         return 0;
1248
1249     return (inset_y + the_locking_inset->InsetInInsetY());
1250 }
1251
1252
1253 void InsetText::ToggleInsetCursor(BufferView * bv)
1254 {
1255     if (the_locking_inset) {
1256         the_locking_inset->ToggleInsetCursor(bv);
1257         return;
1258     }
1259
1260     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1261
1262     int asc = lyxfont::maxAscent(font);
1263     int desc = lyxfont::maxDescent(font);
1264
1265     if (cursor_visible)
1266         bv->hideLockedInsetCursor();
1267     else
1268         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1269     cursor_visible = !cursor_visible;
1270 }
1271
1272
1273 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1274 {
1275     if (the_locking_inset) {
1276         the_locking_inset->ShowInsetCursor(bv);
1277         return;
1278     }
1279     if (!cursor_visible) {
1280         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1281
1282         int asc = lyxfont::maxAscent(font);
1283         int desc = lyxfont::maxDescent(font);
1284
1285         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1286         if (show)
1287             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1288         cursor_visible = true;
1289     }
1290 }
1291
1292
1293 void InsetText::HideInsetCursor(BufferView * bv)
1294 {
1295     if (cursor_visible) {
1296         bv->hideLockedInsetCursor();
1297         cursor_visible = false;
1298     }
1299     if (the_locking_inset)
1300         the_locking_inset->HideInsetCursor(bv);
1301 }
1302
1303
1304 UpdatableInset::RESULT
1305 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1306 {
1307     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1308         return moveLeftIntern(bv, false, activate_inset, selecting);
1309     else
1310         return moveRightIntern(bv, false, activate_inset, selecting);
1311 }
1312
1313 UpdatableInset::RESULT
1314 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1315 {
1316     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1317         return moveRightIntern(bv, true, activate_inset, selecting);
1318     else
1319         return moveLeftIntern(bv, true, activate_inset, selecting);
1320 }
1321
1322
1323 UpdatableInset::RESULT
1324 InsetText::moveRightIntern(BufferView * bv, bool behind,
1325                            bool activate_inset, bool selecting)
1326 {
1327 #ifndef NEW_INSETS
1328     if (!cpar(bv)->next_ && (cpos(bv) >= cpar(bv)->Last()))
1329 #else
1330     if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1331 #endif
1332         return FINISHED;
1333     if (activate_inset && checkAndActivateInset(bv, behind))
1334         return DISPATCHED;
1335     TEXT(bv)->CursorRight(bv);
1336     if (!selecting)
1337             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1338     return DISPATCHED_NOUPDATE;
1339 }
1340
1341
1342 UpdatableInset::RESULT
1343 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1344                           bool activate_inset, bool selecting)
1345 {
1346 #ifndef NEW_INSETS
1347     if (!cpar(bv)->previous_ && (cpos(bv) <= 0))
1348 #else
1349     if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1350 #endif
1351         return FINISHED;
1352     TEXT(bv)->CursorLeft(bv);
1353     if (!selecting)
1354             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1355     if (activate_inset && checkAndActivateInset(bv, behind))
1356         return DISPATCHED;
1357     return DISPATCHED_NOUPDATE;
1358 }
1359
1360
1361 UpdatableInset::RESULT
1362 InsetText::moveUp(BufferView * bv)
1363 {
1364     if (!crow(bv)->previous())
1365         return FINISHED;
1366     TEXT(bv)->CursorUp(bv);
1367     return DISPATCHED_NOUPDATE;
1368 }
1369
1370
1371 UpdatableInset::RESULT
1372 InsetText::moveDown(BufferView * bv)
1373 {
1374     if (!crow(bv)->next())
1375         return FINISHED;
1376     TEXT(bv)->CursorDown(bv);
1377     return DISPATCHED_NOUPDATE;
1378 }
1379
1380
1381 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1382 {
1383     if (the_locking_inset) {
1384         if (the_locking_inset->InsertInsetAllowed(inset))
1385             return the_locking_inset->InsertInset(bv, inset);
1386         return false;
1387     }
1388     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1389 #ifndef NEW_INSETS
1390               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1391               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1392 #else
1393               bv->text->cursor.par()->previous(),
1394               bv->text->cursor.par()->next()
1395 #endif
1396             );
1397     inset->setOwner(this);
1398     HideInsetCursor(bv);
1399     TEXT(bv)->InsertInset(bv, inset);
1400 #if 0
1401     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1402         (cpar(bv)->GetInset(cpos(bv)) != inset))
1403         TEXT(bv)->CursorLeft(bv);
1404 #endif
1405     bv->fitCursor(TEXT(bv));
1406     UpdateLocal(bv, CURSOR_PAR|CURSOR, true);
1407     ShowInsetCursor(bv);
1408     return true;
1409 }
1410
1411
1412 UpdatableInset * InsetText::GetLockingInset()
1413 {
1414     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1415 }
1416
1417
1418 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1419 {
1420     if (c == LyxCode())
1421         return this;
1422     if (the_locking_inset)
1423         return the_locking_inset->GetFirstLockingInsetOfType(c);
1424     return 0;
1425 }
1426
1427
1428 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1429 {
1430     if (TEXT(bv)->selection) {
1431         bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1432 #ifndef NEW_INSETS
1433                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1434                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1435 #else
1436                           bv->text->cursor.par()->previous(),
1437                           bv->text->cursor.par()->next()
1438 #endif
1439             );
1440     }
1441     TEXT(bv)->SetFont(bv, font, toggleall);
1442     bv->fitCursor(TEXT(bv));
1443     UpdateLocal(bv, CURSOR_PAR, true);
1444 }
1445
1446
1447 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1448 {
1449     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1450         unsigned int x;
1451         unsigned int y;
1452         Inset * inset =
1453             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1454         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1455             return false;
1456         LyXFont const font =
1457                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1458         if (behind) {
1459             x = inset->width(bv, font);
1460             y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1461         } else {
1462             x = 0;
1463             y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1464         }
1465         //inset_x = cx(bv) - top_x + drawTextXOffset;
1466         //inset_y = cy(bv) + drawTextYOffset;
1467         inset->Edit(bv, x, y, 0);
1468         if (!the_locking_inset)
1469             return false;
1470         UpdateLocal(bv, CURSOR_PAR, false);
1471         return true;
1472     }
1473     return false;
1474 }
1475
1476
1477 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1478                                       int button)
1479 {
1480     x = x - drawTextXOffset;
1481     y = y + insetAscent;
1482     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1483
1484     if (inset) {
1485         if (x < 0)
1486             x = insetWidth;
1487         if (y < 0)
1488             y = insetDescent;
1489         inset_x = cx(bv) - top_x + drawTextXOffset;
1490         inset_y = cy(bv) + drawTextYOffset;
1491         inset->Edit(bv, x - inset_x, y - inset_y, button);
1492         if (!the_locking_inset)
1493             return false;
1494         UpdateLocal(bv, CURSOR_PAR, false);
1495         return true;
1496     }
1497     return false;
1498 }
1499
1500
1501 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1502 {
1503     int w = UpdatableInset::getMaxWidth(pain, inset);
1504     if (w < 0) {
1505         return w;
1506     }
1507     if (owner()) {
1508         w = w - top_x + owner()->x();
1509         return w;
1510     }
1511     w -= (2 * TEXT_TO_INSET_OFFSET);
1512     return w - top_x;
1513 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1514 }
1515
1516
1517 void InsetText::SetParagraphData(LyXParagraph * p)
1518 {
1519     // delete all instances of LyXText before deleting the paragraps used
1520     // by it.
1521     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1522         delete (*cit).second;
1523         (*cit).second = 0;
1524     }
1525
1526 #ifndef NEW_INSETS
1527     LyXParagraph * np;
1528     if (par) {
1529         np = par->next_;
1530         delete par;
1531         while (np) {
1532             par = np;
1533             np = np->next_;
1534             delete par;
1535         }
1536     }
1537     par = p->Clone();
1538     par->SetInsetOwner(this);
1539     np = par;
1540     while (p->next_) {
1541         p = p->next_;
1542         np->next(p->Clone());
1543         np->next_->previous(np);
1544         np = np->next_;
1545         np->SetInsetOwner(this);
1546     }
1547 #else
1548     LyXParagraph * np;
1549     if (par) {
1550         np = par->next();
1551         delete par;
1552         while(np) {
1553             par = np;
1554             np = np->next();
1555             delete par;
1556         }
1557     }
1558     par = p->Clone();
1559     par->SetInsetOwner(this);
1560     np = par;
1561     while(p->next()) {
1562         p = p->next();
1563         np->next(p->Clone());
1564         np->next()->previous(np);
1565         np = np->next();
1566         np->SetInsetOwner(this);
1567     }
1568 #endif
1569     need_update = INIT;
1570 }
1571
1572
1573 void InsetText::SetText(string const & data)
1574 {
1575     clear();
1576     LyXFont font(LyXFont::ALL_SANE);
1577     for(unsigned int i=0; i < data.length(); ++i)
1578         par->InsertChar(i, data[i], font);
1579 }
1580
1581
1582 void InsetText::SetAutoBreakRows(bool flag)
1583 {
1584     if (flag != autoBreakRows) {
1585         autoBreakRows = flag;
1586         need_update = FULL;
1587         if (!flag)
1588             removeNewlines();
1589     }
1590 }
1591
1592
1593 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1594 {
1595     if (how != drawFrame) {
1596         drawFrame = how;
1597         if (bv)
1598             UpdateLocal(bv, DRAW_FRAME, false);
1599     }
1600 }
1601
1602
1603 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1604 {
1605     if (frame_color != col) {
1606         frame_color = col;
1607         if (bv)
1608             UpdateLocal(bv, DRAW_FRAME, false);
1609     }
1610 }
1611
1612 #if 0
1613 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1614 {
1615     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1616 }
1617 #endif
1618
1619
1620 int InsetText::cx(BufferView * bv) const
1621 {
1622         LyXText * text = TEXT(bv);
1623         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1624         if (the_locking_inset) {
1625                 LyXFont font = text->GetFont(bv->buffer(),
1626                                      text->cursor.par(), text->cursor.pos());
1627                 if (font.isVisibleRightToLeft())
1628                         x -= the_locking_inset->width(bv, font);
1629         }
1630         return x;
1631 }
1632
1633
1634 int InsetText::cy(BufferView * bv) const
1635 {
1636     LyXFont font;
1637     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1638 }
1639
1640
1641 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1642 {
1643     return TEXT(bv)->cursor.pos();
1644 }
1645
1646
1647 LyXParagraph * InsetText::cpar(BufferView * bv) const
1648 {
1649     return TEXT(bv)->cursor.par();
1650 }
1651
1652 bool InsetText::cboundary(BufferView * bv) const
1653 {
1654     return TEXT(bv)->cursor.boundary();
1655 }
1656
1657
1658 Row * InsetText::crow(BufferView * bv) const
1659 {
1660     return TEXT(bv)->cursor.row();
1661 }
1662
1663
1664 LyXText * InsetText::getLyXText(BufferView const * lbv, bool const recursive) const
1665 {
1666     // Super UGLY! (Lgb)
1667     BufferView * bv = const_cast<BufferView *>(lbv);
1668
1669     if ((cache.find(bv) != cache.end()) && cache[bv]) {
1670         if (recursive && the_locking_inset)
1671             return the_locking_inset->getLyXText(bv);
1672         return cache[bv];
1673     }
1674     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1675     lt->init(bv);
1676     cache[bv] = lt;
1677     if (the_locking_inset) {
1678        lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1679        if (recursive)
1680            return the_locking_inset->getLyXText(bv);
1681     }
1682     return lt;
1683 }
1684
1685
1686 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1687 {
1688     if ((cache.find(bv) == cache.end()) || !cache[bv])
1689         return;
1690     delete cache[bv];
1691     cache.erase(bv);
1692     if (recursive) {
1693         /// then remove all LyXText in text-insets
1694         LyXParagraph * p = par;
1695 #ifndef NEW_INSETS
1696         for (; p; p = p->next_) {
1697             p->deleteInsetsLyXText(bv);
1698         }
1699 #else
1700         for (; p; p = p->next()) {
1701             p->deleteInsetsLyXText(bv);
1702         }
1703 #endif
1704     }
1705 }
1706
1707
1708 void InsetText::resizeLyXText(BufferView * bv) const
1709 {
1710 #ifndef NEW_INSETS
1711     if (!par->next_ && !par->size()) // resize not neccessary!
1712 #else
1713     if (!par->next() && !par->size()) // resize not neccessary!
1714 #endif
1715         return;
1716     if ((cache.find(bv) == cache.end()) || !cache[bv])
1717         return;
1718
1719     LyXParagraph * lpar = 0;
1720     LyXParagraph * selstartpar = 0;
1721     LyXParagraph * selendpar = 0;
1722     LyXParagraph::size_type pos = 0;
1723     LyXParagraph::size_type selstartpos = 0;
1724     LyXParagraph::size_type selendpos = 0;
1725     bool boundary = false;
1726     bool selstartboundary = false;
1727     bool selendboundary = false;
1728     int selection = 0;
1729     int mark_set = 0;
1730
1731 //    ProhibitInput(bv);
1732
1733     if (locked) {
1734         lpar = TEXT(bv)->cursor.par();
1735         pos = TEXT(bv)->cursor.pos();
1736         boundary = TEXT(bv)->cursor.boundary();
1737         selstartpar = TEXT(bv)->sel_start_cursor.par();
1738         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1739         selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1740         selendpar = TEXT(bv)->sel_end_cursor.par();
1741         selendpos = TEXT(bv)->sel_end_cursor.pos();
1742         selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1743         selection = TEXT(bv)->selection;
1744         mark_set = TEXT(bv)->mark_set;
1745     }
1746     deleteLyXText(bv, (the_locking_inset == 0));
1747
1748     if (lpar) {
1749         TEXT(bv)->selection = true;
1750         /* at this point just to avoid the Delete-Empty-Paragraph
1751          * Mechanism when setting the cursor */
1752         TEXT(bv)->mark_set = mark_set;
1753         if (selection) {
1754             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,true,
1755                                 selstartboundary);
1756             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1757             TEXT(bv)->SetCursor(bv, selendpar, selendpos, true, selendboundary);
1758             TEXT(bv)->SetSelection(bv);
1759             TEXT(bv)->SetCursor(bv, lpar, pos);
1760         } else {
1761             TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1762             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1763             TEXT(bv)->selection = false;
1764         }
1765     }
1766     if (bv->screen())
1767             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1768     // this will scroll the screen such that the cursor becomes visible
1769     bv->updateScrollbar();
1770 //    AllowInput(bv);
1771     if (the_locking_inset) {
1772         /// then resize all LyXText in text-insets
1773         inset_x = cx(bv) - top_x + drawTextXOffset;
1774         inset_y = cy(bv) + drawTextYOffset;
1775 #ifndef NEW_INSETS
1776         for (LyXParagraph * p = par; p; p = p->next_) {
1777             p->resizeInsetsLyXText(bv);
1778         }
1779 #else
1780         for (LyXParagraph * p = par; p; p = p->next()) {
1781             p->resizeInsetsLyXText(bv);
1782         }
1783 #endif
1784     }
1785     need_update = FULL;
1786 }
1787
1788
1789 void InsetText::removeNewlines()
1790 {
1791 #ifndef NEW_INSETS
1792     for (LyXParagraph * p = par; p; p = p->next_) {
1793         for (int i = 0; i < p->Last(); ++i) {
1794 #else
1795     for (LyXParagraph * p = par; p; p = p->next()) {
1796         for (int i = 0; i < p->size(); ++i) {
1797 #endif
1798             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1799                 p->Erase(i);
1800         }
1801     }
1802 }