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     LyXParagraph * p = par->next;
 124     delete par;
 125     while(p) {
 126         par = p;
 127         p = p->next;
 128         delete par;
 129     }
 130 }
 131
 132
 133 void InsetText::clear()
 134 {
 135     // delete all instances of LyXText before deleting the paragraps used
 136     // by it.
 137     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 138         delete (*cit).second;
 139         (*cit).second = 0;
 140     }
 141     LyXParagraph * p = par->next;
 142     delete par;
 143     while(p) {
 144         par = p;
 145         p = p->next;
 146         delete par;
 147     }
 148     par = new LyXParagraph();
 149 }
 150
 151
 152 Inset * InsetText::Clone(Buffer const &) const
 153 {
 154     InsetText * t = new InsetText(*this);
 155     return t;
 156 }
 157
 158
 159 void InsetText::Write(Buffer const * buf, ostream & os) const
 160 {
 161     os << "Text\n";
 162     WriteParagraphData(buf, os);
 163 }
 164
 165
 166 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 167 {
 168     par->writeFile(buf, os, buf->params, 0, 0);
 169 }
 170
 171
 172 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 173 {
 174     string token;
 175     int pos = 0;
 176     LyXParagraph * return_par = 0;
 177     char depth = 0; // signed or unsigned?
 178 #ifndef NEW_INSETS
 179     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 180     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 181 #endif
 182     LyXFont font(LyXFont::ALL_INHERIT);
 183
 184     // delete all instances of LyXText before deleting the paragraps used
 185     // by it.
 186     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 187         delete (*cit).second;
 188         (*cit).second = 0;
 189     }
 190
 191     LyXParagraph * p = par->next;
 192     delete par;
 193     while(p) {
 194         par = p;
 195         p = p->next;
 196         delete par;
 197     }
 198     par = new LyXParagraph;
 199     while (lex.IsOK()) {
 200         lex.nextToken();
 201         token = lex.GetString();
 202         if (token.empty())
 203             continue;
 204         if (token == "\\end_inset")
 205             break;
 206         if (const_cast<Buffer*>(buf)->
 207             parseSingleLyXformat2Token(lex, par, return_par,token, pos, depth,
 208                                        font
 209 #ifndef NEW_INSETS
 210                                        , footnoteflag, footnotekind
 211 #endif
 212                                        ))
 213         {
 214             // the_end read this should NEVER happen
 215             lex.printError("\\the_end read in inset! Error in document!");
 216             return;
 217         }
 218     }
 219     if (!return_par)
 220             return_par = par;
 221     par = return_par;
 222     while(return_par) {
 223         return_par->SetInsetOwner(this);
 224         return_par = return_par->next;
 225     }
 226
 227     if (token != "\\end_inset") {
 228         lex.printError("Missing \\end_inset at this point. "
 229                        "Read: `$$Token'");
 230     }
 231     need_update = INIT;
 232 }
 233
 234
 235 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 236 {
 237     int y_temp = 0;
 238     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 239     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 240     return insetAscent;
 241 }
 242
 243
 244 int InsetText::descent(BufferView * bv, LyXFont const &) const
 245 {
 246     int y_temp = 0;
 247     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 248     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 249         TEXT_TO_INSET_OFFSET;
 250     return insetDescent;
 251 }
 252
 253
 254 int InsetText::width(BufferView * bv, LyXFont const &) const
 255 {
 256     insetWidth = max(textWidth(bv->painter()),
 257                      (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 258     return insetWidth;
 259 }
 260
 261
 262 int InsetText::textWidth(Painter & pain) const
 263 {
 264     int w = getMaxWidth(pain, this);
 265     return w;
 266 }
 267
 268
 269 void InsetText::draw(BufferView * bv, LyXFont const & f,
 270                      int baseline, float & x, bool cleared) const
 271 {
 272     Painter & pain = bv->painter();
 273
 274     // no draw is necessary !!!
 275     if ((drawFrame == LOCKED) && !locked && !par->size()) {
 276         if (!cleared && (need_update == CLEAR_FRAME)) {
 277             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 278                            width(bv, f) - 1,
 279                            insetAscent + insetDescent - 1,
 280                            LColor::background);
 281         }
 282         top_x = int(x);
 283         top_baseline = baseline;
 284         x += width(bv, f);
 285         need_update = NONE;
 286         return;
 287     }
 288
 289     xpos = x;
 290     UpdatableInset::draw(bv, f, baseline, x, cleared);
 291
 292     // if top_x differs we have a rule down and we don't have to clear anything
 293     if (!cleared && (top_x == int(x)) &&
 294         ((need_update==FULL) || (top_baseline!=baseline)))
 295     {
 296         int w =  insetWidth;
 297         int h = insetAscent + insetDescent;
 298         int ty = baseline - insetAscent;
 299
 300         if (ty < 0) {
 301             h += ty;
 302             ty = 0;
 303         }
 304         if ((ty + h) > pain.paperHeight())
 305             h = pain.paperHeight();
 306         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 307             w = pain.paperWidth();
 308         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 309         cleared = true;
 310         need_update = FULL;
 311     }
 312     if (!cleared && (need_update == NONE))
 313         return;
 314
 315     if (top_x != int(x)) {
 316 //      printf("InsetText::draw1 -> INIT(%d)\n",insetWidth);
 317         need_update = INIT;
 318         top_x = int(x);
 319         bv->text->status = LyXText::CHANGED_IN_DRAW;
 320         return;
 321     }
 322
 323     top_baseline = baseline;
 324     top_y = baseline - ascent(bv, f);
 325     last_width = width(bv, f);
 326     last_height = ascent(bv, f) + descent(bv, f);
 327
 328     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 329         inset_x = cx(bv) - top_x + drawTextXOffset;
 330         inset_y = cy(bv) + drawTextYOffset;
 331     }
 332     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 333         x += width(bv, f);
 334         need_update = NONE;
 335         return;
 336     }
 337     x += TEXT_TO_INSET_OFFSET;
 338     {
 339         int y = 0;
 340         Row * row = TEXT(bv)->GetRowNearY(y);
 341         int y_offset = baseline - row->ascent_of_text();
 342         int ph = pain.paperHeight();
 343         int first = 0;
 344         y = y_offset;
 345         while ((row != 0) && ((y+row->height()) <= 0)) {
 346             y += row->height();
 347             first += row->height();
 348             row = row->next();
 349         }
 350         if (y_offset < 0)
 351             y_offset = y;
 352         TEXT(bv)->first = first;
 353         if (cleared || !locked || (need_update==FULL) || (need_update==INIT)) {
 354             int yf = y_offset;
 355             y = 0;
 356             while ((row != 0) && (yf < ph)) {
 357                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 358                                             y+first, cleared);
 359                 y += row->height();
 360                 yf += row->height();
 361                 row = row->next();
 362             }
 363         } else if (need_update == SELECTION) {
 364             bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 365         } else {
 366             locked = false;
 367             if (need_update == CURSOR) {
 368                 bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 369                 TEXT(bv)->ClearSelection();
 370                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 371             }
 372             bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 373             locked = true;
 374         }
 375     }
 376     TEXT(bv)->refresh_y = 0;
 377     TEXT(bv)->status = LyXText::UNCHANGED;
 378     if ((need_update != CURSOR_PAR) &&
 379         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 380     {
 381             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 382                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 383                            frame_color);
 384     } else if (need_update == CLEAR_FRAME) {
 385             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 386                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 387                            LColor::background);
 388     }
 389     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 390     if (bv->text->status==LyXText::CHANGED_IN_DRAW)
 391     {
 392         need_update = INIT;
 393 //      printf("InsetText::draw2 -> INIT(%d)\n",insetWidth);
 394     }
 395     else if (need_update != INIT)
 396         need_update = NONE;
 397 }
 398
 399
 400 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 401 {
 402     if (reinit) {  // && (need_update != CURSOR)) {
 403         need_update = INIT;
 404         resizeLyXText(bv);
 405         if (owner())
 406             owner()->update(bv, font, true);
 407         return;
 408     }
 409     if (the_locking_inset) {
 410         inset_x = cx(bv) - top_x + drawTextXOffset;
 411         inset_y = cy(bv) + drawTextYOffset;
 412         the_locking_inset->update(bv, font, reinit);
 413     }
 414     if (need_update == INIT) {
 415         resizeLyXText(bv);
 416         need_update = FULL;
 417     }
 418     int oldw = insetWidth;
 419 #if 1
 420     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 421     // max(textWidth(bv->painter()),
 422     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 423     // (2 * TEXT_TO_INSET_OFFSET);
 424 #else
 425     insetWidth = textWidth(bv->painter());
 426     if (insetWidth < 0)
 427             insetWidth = static_cast<int>(TEXT(bv)->width);
 428 #endif
 429     if (oldw != insetWidth) {
 430 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 431 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 432         resizeLyXText(bv);
 433         need_update = FULL;
 434         update(bv, font, reinit);
 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 //    if (what == INIT)
 457 //      printf("InsetText::UpdateLocal -> INIT(%d)\n",insetWidth);
 458     TEXT(bv)->FullRebreak(bv);
 459     if (need_update != INIT) {
 460         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 461             need_update = FULL;
 462         else if (!the_locking_inset || (what != CURSOR))
 463             need_update = what;
 464     }
 465     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 466         TEXT(bv)->selection)
 467             bv->updateInset(this, mark_dirty);
 468     bv->owner()->showState();
 469     if (old_par != cpar(bv)) {
 470             bv->owner()->setLayout(cpar(bv)->GetLayout());
 471             old_par = cpar(bv);
 472     }
 473 }
 474
 475
 476 string const InsetText::EditMessage() const
 477 {
 478     return _("Opened Text Inset");
 479 }
 480
 481
 482 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 483 {
 484 //    par->SetInsetOwner(this);
 485     UpdatableInset::Edit(bv, x, y, button);
 486
 487     if (!bv->lockInset(this)) {
 488         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 489         return;
 490     }
 491     locked = true;
 492     the_locking_inset = 0;
 493     inset_pos = inset_x = inset_y = 0;
 494     inset_boundary = false;
 495     inset_par = 0;
 496     old_par = 0;
 497     if (!checkAndActivateInset(bv, x, y, button))
 498         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 499                                            y+insetAscent);
 500     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 501     bv->text->FinishUndo();
 502     ShowInsetCursor(bv);
 503     UpdateLocal(bv, FULL, false);
 504
 505     // If the inset is empty set the language of the current font to the
 506     // language to the surronding text.
 507     if (par->Last() == 0 && !par->next) {
 508         LyXFont font(LyXFont::ALL_IGNORE);
 509         font.setLanguage(bv->getParentLanguage(this));
 510         SetFont(bv, font, false);
 511     }
 512 }
 513
 514
 515 void InsetText::InsetUnlock(BufferView * bv)
 516 {
 517     if (the_locking_inset) {
 518         the_locking_inset->InsetUnlock(bv);
 519         the_locking_inset = 0;
 520     }
 521     HideInsetCursor(bv);
 522     no_selection = false;
 523     locked = false;
 524     TEXT(bv)->selection = 0;
 525     UpdateLocal(bv, CLEAR_FRAME, false);
 526     if (owner())
 527             bv->owner()->setLayout(owner()->getLyXText(bv)
 528                                     ->cursor.par()->GetLayout());
 529     else
 530             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 531 }
 532
 533
 534 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 535 {
 536     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 537     if (!inset)
 538         return false;
 539     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 540         lyxerr[Debug::INSETS] << "OK" << endl;
 541         the_locking_inset = inset;
 542         inset_x = cx(bv) - top_x + drawTextXOffset;
 543         inset_y = cy(bv) + drawTextYOffset;
 544         inset_pos = cpos(bv);
 545         inset_par = cpar(bv);
 546         inset_boundary = cboundary(bv);
 547         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 548         return true;
 549     } else if (the_locking_inset && (the_locking_inset == inset)) {
 550         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 551             lyxerr[Debug::INSETS] << "OK" << endl;
 552             inset_x = cx(bv) - top_x + drawTextXOffset;
 553             inset_y = cy(bv) + drawTextYOffset;
 554         } else {
 555             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 556         }
 557     } else if (the_locking_inset) {
 558         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 559         return the_locking_inset->LockInsetInInset(bv, inset);
 560     }
 561     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 562     return false;
 563 }
 564
 565
 566 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 567                                    bool lr)
 568 {
 569     if (!the_locking_inset)
 570         return false;
 571     if (the_locking_inset == inset) {
 572         the_locking_inset->InsetUnlock(bv);
 573         TEXT(bv)->UpdateInset(bv, inset);
 574         the_locking_inset = 0;
 575         if (lr)
 576             moveRight(bv, false);
 577         old_par = 0; // force layout setting
 578         UpdateLocal(bv, CURSOR_PAR, false);
 579         return true;
 580     }
 581     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 582 }
 583
 584
 585 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 586 {
 587     if (!the_locking_inset)
 588         return false;
 589     if (the_locking_inset != inset) {
 590         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 591         need_update = CURSOR_PAR;
 592         return the_locking_inset->UpdateInsetInInset(bv, inset);
 593     }
 594 //    UpdateLocal(bv, FULL, false);
 595     if (TEXT(bv)->UpdateInset(bv, inset))
 596         UpdateLocal(bv, CURSOR_PAR, false);
 597     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 598         inset_x = cx(bv) - top_x + drawTextXOffset;
 599         inset_y = cy(bv) + drawTextYOffset;
 600     }
 601     return true;
 602 }
 603
 604
 605 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 606 {
 607     no_selection = false;
 608
 609     int tmp_x = x - drawTextXOffset;
 610     int tmp_y = y + insetAscent - TEXT(bv)->first;
 611     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 612
 613     HideInsetCursor(bv);
 614     if (the_locking_inset) {
 615         if (the_locking_inset == inset) {
 616             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 617             return;
 618         } else if (inset) {
 619             // otherwise unlock the_locking_inset and lock the new inset
 620             the_locking_inset->InsetUnlock(bv);
 621             inset_x = cx(bv) - top_x + drawTextXOffset;
 622             inset_y = cy(bv) + drawTextYOffset;
 623             the_locking_inset = static_cast<UpdatableInset*>(inset);
 624             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 625             inset->Edit(bv, x - inset_x, y - inset_y, button);
 626             if (the_locking_inset) {
 627                 UpdateLocal(bv, CURSOR_PAR, false);
 628             }
 629             return;
 630         }
 631         // otherwise only unlock the_locking_inset
 632         the_locking_inset->InsetUnlock(bv);
 633         the_locking_inset = 0;
 634     }
 635     if (bv->theLockingInset()) {
 636         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 637             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 638             inset_x = cx(bv) - top_x + drawTextXOffset;
 639             inset_y = cy(bv) + drawTextYOffset;
 640             inset_pos = cpos(bv);
 641             inset_par = cpar(bv);
 642             inset_boundary = cboundary(bv);
 643             the_locking_inset = uinset;
 644             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 645             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 646 //          TEXT(bv)->ClearSelection();
 647             if (the_locking_inset) {
 648                 UpdateLocal(bv, CURSOR_PAR, false);
 649             }
 650             return;
 651         }
 652     }
 653     if (!inset) {
 654         bool paste_internally = false;
 655         if ((button == 2) && TEXT(bv)->selection) {
 656             LocalDispatch(bv, LFUN_COPY, "");
 657             paste_internally = true;
 658         }
 659         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 660                                            y + insetAscent);
 661         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 662         UpdateLocal(bv, CURSOR, false);
 663         bv->owner()->setLayout(cpar(bv)->GetLayout());
 664         old_par = cpar(bv);
 665         // Insert primary selection with middle mouse
 666         // if there is a local selection in the current buffer,
 667         // insert this
 668         if (button == 2) {
 669             if (paste_internally)
 670                 LocalDispatch(bv, LFUN_PASTE, "");
 671             else
 672                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 673         }
 674     }
 675     ShowInsetCursor(bv);
 676 }
 677
 678
 679 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 680 {
 681     UpdatableInset * inset = 0;
 682
 683     if (the_locking_inset) {
 684             the_locking_inset->InsetButtonRelease(bv,
 685                                                   x - inset_x, y - inset_y,
 686                                                   button);
 687     } else {
 688         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 689             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 690             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 691                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 692             } else {
 693                 inset_x = cx(bv) - top_x + drawTextXOffset;
 694                 inset_y = cy(bv) + drawTextYOffset;
 695                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 696                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 697             }
 698             UpdateLocal(bv, CURSOR_PAR, false);
 699         }
 700     }
 701     no_selection = false;
 702 }
 703
 704
 705 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 706 {
 707     if (the_locking_inset) {
 708         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 709                                              y - inset_y,state);
 710         return;
 711     }
 712     if (!no_selection) {
 713         HideInsetCursor(bv);
 714         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 715                                            y+insetAscent);
 716         TEXT(bv)->SetSelection();
 717         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 718             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 719             UpdateLocal(bv, SELECTION, false);
 720         ShowInsetCursor(bv);
 721     }
 722     no_selection = false;
 723 }
 724
 725
 726 void InsetText::InsetKeyPress(XKeyEvent * xke)
 727 {
 728     if (the_locking_inset) {
 729         the_locking_inset->InsetKeyPress(xke);
 730         return;
 731     }
 732 }
 733
 734
 735 UpdatableInset::RESULT
 736 InsetText::LocalDispatch(BufferView * bv,
 737                          int action, string const & arg)
 738 {
 739     no_selection = false;
 740     UpdatableInset::RESULT
 741         result= UpdatableInset::LocalDispatch(bv, action, arg);
 742     if (result != UNDISPATCHED) {
 743         return DISPATCHED;
 744     }
 745
 746     result=DISPATCHED;
 747     if ((action < 0) && arg.empty())
 748         return FINISHED;
 749
 750     if (the_locking_inset) {
 751         result = the_locking_inset->LocalDispatch(bv, action, arg);
 752         if (result == DISPATCHED_NOUPDATE)
 753             return result;
 754         else if (result == DISPATCHED) {
 755             UpdateLocal(bv, CURSOR_PAR, false);
 756             return result;
 757         } else if (result == FINISHED) {
 758             bool dispatched = false;
 759             switch (action) {
 760             case LFUN_UNKNOWN_ACTION:
 761             case LFUN_BREAKPARAGRAPH:
 762             case LFUN_BREAKLINE:
 763                moveRightIntern(bv, false, false);
 764                break;
 765             case LFUN_RIGHT:
 766                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 767                     moveRightIntern(bv, false, false);
 768                 dispatched = true;
 769                 break;
 770             case LFUN_LEFT:
 771                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 772                     moveRightIntern(bv, false, false);
 773                 dispatched = true;
 774                 break;
 775             }
 776             the_locking_inset = 0;
 777             if (dispatched)
 778                 return DISPATCHED;
 779         }
 780     }
 781     HideInsetCursor(bv);
 782     switch (action) {
 783         // Normal chars
 784     case LFUN_UNKNOWN_ACTION:
 785         if (bv->buffer()->isReadonly()) {
 786 //          setErrorMessage(N_("Document is read only"));
 787             break;
 788         }
 789         if (!arg.empty()) {
 790             /* Automatically delete the currently selected
 791              * text and replace it with what is being
 792              * typed in now. Depends on lyxrc settings
 793              * "auto_region_delete", which defaults to
 794              * true (on). */
 795
 796             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 797 #ifndef NEW_INSETS
 798                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 799                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 800 #else
 801                               bv->text->cursor.par()->previous,
 802                               bv->text->cursor.par()->next
 803 #endif
 804                     );
 805             bv->setState();
 806             if (lyxrc.auto_region_delete) {
 807                 if (TEXT(bv)->selection){
 808                     TEXT(bv)->CutSelection(bv, false);
 809                 }
 810             }
 811             TEXT(bv)->ClearSelection();
 812             for (string::size_type i = 0; i < arg.length(); ++i) {
 813                 if (greek_kb_flag) {
 814                     if (!math_insert_greek(bv, arg[i])) {
 815 #if 0
 816                         bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 817 #else
 818                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 819 #endif
 820                     } else if (!the_locking_inset) {
 821                         (void)moveRight(bv, false);
 822                     }
 823                 } else {
 824 #if 0
 825                     bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 826 #else
 827                     bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 828 #endif
 829                 }
 830             }
 831         }
 832         UpdateLocal(bv, CURSOR_PAR, true);
 833         result=DISPATCHED_NOUPDATE;
 834         break;
 835         // --- Cursor Movements ---------------------------------------------
 836     case LFUN_RIGHTSEL:
 837         bv->text->FinishUndo();
 838         moveRight(bv, false, true);
 839         TEXT(bv)->SetSelection();
 840         UpdateLocal(bv, SELECTION, false);
 841         break;
 842     case LFUN_RIGHT:
 843         result = moveRight(bv);
 844         bv->text->FinishUndo();
 845         TEXT(bv)->ClearSelection();
 846         UpdateLocal(bv, CURSOR, false);
 847         break;
 848     case LFUN_LEFTSEL:
 849         bv->text->FinishUndo();
 850         moveLeft(bv, false, true);
 851         TEXT(bv)->SetSelection();
 852         UpdateLocal(bv, SELECTION, false);
 853         break;
 854     case LFUN_LEFT:
 855         bv->text->FinishUndo();
 856         result = moveLeft(bv);
 857         TEXT(bv)->ClearSelection();
 858         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 859         UpdateLocal(bv, CURSOR, false);
 860         break;
 861     case LFUN_DOWNSEL:
 862         bv->text->FinishUndo();
 863         moveDown(bv);
 864         TEXT(bv)->SetSelection();
 865         UpdateLocal(bv, SELECTION, false);
 866         break;
 867     case LFUN_DOWN:
 868         bv->text->FinishUndo();
 869         result = moveDown(bv);
 870         TEXT(bv)->ClearSelection();
 871         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 872         UpdateLocal(bv, CURSOR, false);
 873         break;
 874     case LFUN_UPSEL:
 875         bv->text->FinishUndo();
 876         moveUp(bv);
 877         TEXT(bv)->SetSelection();
 878         UpdateLocal(bv, SELECTION, false);
 879         break;
 880     case LFUN_UP:
 881         bv->text->FinishUndo();
 882         result = moveUp(bv);
 883         TEXT(bv)->ClearSelection();
 884         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 885         UpdateLocal(bv, CURSOR, false);
 886         break;
 887     case LFUN_HOME:
 888         bv->text->FinishUndo();
 889         TEXT(bv)->CursorHome(bv);
 890         TEXT(bv)->ClearSelection();
 891         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 892         UpdateLocal(bv, CURSOR, false);
 893         break;
 894     case LFUN_END:
 895         TEXT(bv)->CursorEnd(bv);
 896         TEXT(bv)->ClearSelection();
 897         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 898         UpdateLocal(bv, CURSOR, false);
 899         break;
 900     case LFUN_BACKSPACE:
 901         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 902 #ifndef NEW_INSETS
 903           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 904           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 905 #else
 906           bv->text->cursor.par()->previous,
 907           bv->text->cursor.par()->next
 908 #endif
 909                 );
 910         if (TEXT(bv)->selection)
 911             TEXT(bv)->CutSelection(bv);
 912         else
 913             TEXT(bv)->Backspace(bv);
 914         UpdateLocal(bv, CURSOR_PAR, true);
 915         break;
 916     case LFUN_DELETE:
 917         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 918 #ifndef NEW_INSETS
 919           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 920           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 921 #else
 922           bv->text->cursor.par()->previous,
 923           bv->text->cursor.par()->next
 924 #endif
 925                 );
 926         if (TEXT(bv)->selection)
 927             TEXT(bv)->CutSelection(bv);
 928         else
 929             TEXT(bv)->Delete(bv);
 930         UpdateLocal(bv, CURSOR_PAR, true);
 931         break;
 932     case LFUN_CUT:
 933         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 934 #ifndef NEW_INSETS
 935           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 936           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 937 #else
 938           bv->text->cursor.par()->previous,
 939           bv->text->cursor.par()->next
 940 #endif
 941                 );
 942         TEXT(bv)->CutSelection(bv);
 943         UpdateLocal(bv, CURSOR_PAR, true);
 944         break;
 945     case LFUN_COPY:
 946         bv->text->FinishUndo();
 947         TEXT(bv)->CopySelection(bv);
 948         UpdateLocal(bv, CURSOR_PAR, false);
 949         break;
 950     case LFUN_PASTESELECTION:
 951     {
 952         string clip(bv->workarea()->getClipboard());
 953
 954         if (clip.empty())
 955             break;
 956         if (arg == "paragraph") {
 957                 TEXT(bv)->InsertStringB(bv, clip);
 958         } else {
 959                 TEXT(bv)->InsertStringA(bv, clip);
 960         }
 961         UpdateLocal(bv, CURSOR_PAR, true);
 962         break;
 963     }
 964     case LFUN_PASTE:
 965         if (!autoBreakRows) {
 966             CutAndPaste cap;
 967
 968             if (cap.nrOfParagraphs() > 1) {
 969                 WriteAlert(_("Impossible operation"),
 970                            _("Cannot include more than one paragraph!"),
 971                            _("Sorry."));
 972                 break;
 973             }
 974         }
 975         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 976 #ifndef NEW_INSETS
 977           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 978           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 979 #else
 980           bv->text->cursor.par()->previous,
 981           bv->text->cursor.par()->next
 982 #endif
 983                 );
 984         TEXT(bv)->PasteSelection(bv);
 985         UpdateLocal(bv, CURSOR_PAR, true);
 986         break;
 987     case LFUN_BREAKPARAGRAPH:
 988         if (!autoBreakRows)
 989             return DISPATCHED;
 990         TEXT(bv)->BreakParagraph(bv, 0);
 991         UpdateLocal(bv, FULL, true);
 992         break;
 993     case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 994         if (!autoBreakRows)
 995             return DISPATCHED;
 996         TEXT(bv)->BreakParagraph(bv, 1);
 997         UpdateLocal(bv, FULL, true);
 998         break;
 999     case LFUN_BREAKLINE:
1000         if (!autoBreakRows)
1001             return DISPATCHED;
1002         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1003 #ifndef NEW_INSETS
1004             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1005             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1006 #else
1007             bv->text->cursor.par()->previous,
1008             bv->text->cursor.par()->next
1009 #endif
1010                 );
1011         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1012         UpdateLocal(bv, CURSOR_PAR, true);
1013         break;
1014     case LFUN_LAYOUT:
1015         // do not set layouts on non breakable textinsets
1016         if (autoBreakRows) {
1017             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1018
1019             // Derive layout number from given argument (string)
1020             // and current buffer's textclass (number). */
1021             LyXTextClassList::ClassList::size_type tclass =
1022                 bv->buffer()->params.textclass;
1023             std::pair <bool, LyXTextClass::size_type> layout =
1024                 textclasslist.NumberOfLayout(tclass, arg);
1025
1026             // If the entry is obsolete, use the new one instead.
1027             if (layout.first) {
1028                 string obs = textclasslist.Style(tclass,layout.second).
1029                     obsoleted_by();
1030                 if (!obs.empty())
1031                     layout = textclasslist.NumberOfLayout(tclass, obs);
1032             }
1033
1034             // see if we found the layout number:
1035             if (!layout.first) {
1036                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1037
1038                 bv->owner()->getMiniBuffer()->Set(msg);
1039                 break;
1040             }
1041
1042             if (cur_layout != layout.second) {
1043                 cur_layout = layout.second;
1044                 TEXT(bv)->SetLayout(bv, layout.second);
1045                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1046                 UpdateLocal(bv, CURSOR_PAR, true);
1047             }
1048         } else {
1049             // reset the layout box
1050             bv->owner()->setLayout(cpar(bv)->GetLayout());
1051         }
1052         break;
1053     case LFUN_PARAGRAPH_SPACING:
1054             // This one is absolutely not working. When fiddling with this
1055             // it also seems to me that the paragraphs inside the insettext
1056             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1057     {
1058             LyXParagraph * par = TEXT(bv)->cursor.par();
1059             Spacing::Space cur_spacing = par->spacing.getSpace();
1060             float cur_value = 1.0;
1061             if (cur_spacing == Spacing::Other) {
1062                     cur_value = par->spacing.getValue();
1063             }
1064
1065             std::istringstream istr(arg.c_str());
1066             string tmp;
1067             istr >> tmp;
1068             Spacing::Space new_spacing = cur_spacing;
1069             float new_value = cur_value;
1070             if (tmp.empty()) {
1071                     lyxerr << "Missing argument to `paragraph-spacing'"
1072                            << endl;
1073             } else if (tmp == "single") {
1074                     new_spacing = Spacing::Single;
1075             } else if (tmp == "onehalf") {
1076                     new_spacing = Spacing::Onehalf;
1077             } else if (tmp == "double") {
1078                     new_spacing = Spacing::Double;
1079             } else if (tmp == "other") {
1080                     new_spacing = Spacing::Other;
1081                     float tmpval = 0.0;
1082                     istr >> tmpval;
1083                     lyxerr << "new_value = " << tmpval << endl;
1084                     if (tmpval != 0.0)
1085                             new_value = tmpval;
1086             } else if (tmp == "default") {
1087                     new_spacing = Spacing::Default;
1088             } else {
1089                     lyxerr << _("Unknown spacing argument: ")
1090                            << arg << endl;
1091             }
1092             if (cur_spacing != new_spacing || cur_value != new_value) {
1093                     par->spacing.set(new_spacing, new_value);
1094                     //TEXT(bv)->RedoParagraph(owner->view());
1095                     UpdateLocal(bv, CURSOR_PAR, true);
1096                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1097             }
1098     }
1099     break;
1100
1101     default:
1102         result = UNDISPATCHED;
1103         break;
1104     }
1105     if (result != FINISHED) {
1106         ShowInsetCursor(bv);
1107     } else
1108         bv->unlockInset(this);
1109     return result;
1110 }
1111
1112
1113 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1114 {
1115     TexRow texrow;
1116     buf->latexParagraphs(os, par, 0, texrow);
1117     return texrow.rows();
1118 }
1119
1120
1121 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1122 {
1123     LyXParagraph * p = par;
1124     unsigned int lines = 0;
1125
1126     string tmp;
1127     while (p) {
1128         tmp = buf->asciiParagraph(p, linelen);
1129         lines += countChar(tmp, '\n');
1130         os << tmp;
1131         p = p->next;
1132     }
1133     return lines;
1134 }
1135
1136
1137 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1138 {
1139     LyXParagraph * p = par;
1140     unsigned int lines = 0;
1141     int desc=0;
1142
1143     string tmp;
1144     while (p) {
1145         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1146         p = p->next;
1147     }
1148
1149     return lines;
1150 }
1151
1152
1153 void InsetText::Validate(LaTeXFeatures & features) const
1154 {
1155     LyXParagraph * p = par;
1156     while(p) {
1157         p->validate(features);
1158         p = p->next;
1159     }
1160 }
1161
1162
1163 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1164 {
1165     if (textclasslist.Style(buf->params.textclass,
1166                             p->GetLayout()).labeltype != LABEL_MANUAL)
1167         return 0;
1168     else
1169         return p->BeginningOfMainBody();
1170 }
1171
1172
1173 void InsetText::GetCursorPos(BufferView * bv,
1174                              int & x, int & y) const
1175 {
1176     x = cx(bv);
1177     y = cy(bv);
1178 }
1179
1180
1181 unsigned int InsetText::InsetInInsetY()
1182 {
1183     if (!the_locking_inset)
1184         return 0;
1185
1186     return (inset_y + the_locking_inset->InsetInInsetY());
1187 }
1188
1189
1190 void InsetText::ToggleInsetCursor(BufferView * bv)
1191 {
1192     if (the_locking_inset) {
1193         the_locking_inset->ToggleInsetCursor(bv);
1194         return;
1195     }
1196
1197     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1198
1199     int asc = lyxfont::maxAscent(font);
1200     int desc = lyxfont::maxDescent(font);
1201
1202     if (cursor_visible)
1203         bv->hideLockedInsetCursor();
1204     else
1205         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1206     cursor_visible = !cursor_visible;
1207 }
1208
1209
1210 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1211 {
1212     if (the_locking_inset) {
1213         the_locking_inset->ShowInsetCursor(bv);
1214         return;
1215     }
1216     if (!cursor_visible) {
1217         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1218
1219         int asc = lyxfont::maxAscent(font);
1220         int desc = lyxfont::maxDescent(font);
1221
1222         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1223         if (show)
1224             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1225         cursor_visible = true;
1226     }
1227 }
1228
1229
1230 void InsetText::HideInsetCursor(BufferView * bv)
1231 {
1232     if (cursor_visible) {
1233         bv->hideLockedInsetCursor();
1234         cursor_visible = false;
1235     }
1236     if (the_locking_inset)
1237         the_locking_inset->HideInsetCursor(bv);
1238 }
1239
1240
1241 UpdatableInset::RESULT
1242 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1243 {
1244     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1245         return moveLeftIntern(bv, false, activate_inset, selecting);
1246     else
1247         return moveRightIntern(bv, false, activate_inset, selecting);
1248 }
1249
1250 UpdatableInset::RESULT
1251 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1252 {
1253     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1254         return moveRightIntern(bv, true, activate_inset, selecting);
1255     else
1256         return moveLeftIntern(bv, true, activate_inset, selecting);
1257 }
1258
1259
1260 UpdatableInset::RESULT
1261 InsetText::moveRightIntern(BufferView * bv, bool behind,
1262                            bool activate_inset, bool selecting)
1263 {
1264     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1265         return FINISHED;
1266     if (activate_inset && checkAndActivateInset(bv, behind))
1267         return DISPATCHED;
1268     TEXT(bv)->CursorRight(bv, selecting);
1269     return DISPATCHED_NOUPDATE;
1270 }
1271
1272
1273 UpdatableInset::RESULT
1274 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1275                           bool activate_inset, bool selecting)
1276 {
1277     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1278         return FINISHED;
1279     TEXT(bv)->CursorLeft(bv, selecting);
1280     if (activate_inset && checkAndActivateInset(bv, behind))
1281         return DISPATCHED;
1282     return DISPATCHED_NOUPDATE;
1283 }
1284
1285
1286 UpdatableInset::RESULT
1287 InsetText::moveUp(BufferView * bv)
1288 {
1289     if (!crow(bv)->previous())
1290         return FINISHED;
1291     TEXT(bv)->CursorUp(bv);
1292     return DISPATCHED_NOUPDATE;
1293 }
1294
1295
1296 UpdatableInset::RESULT
1297 InsetText::moveDown(BufferView * bv)
1298 {
1299     if (!crow(bv)->next())
1300         return FINISHED;
1301     TEXT(bv)->CursorDown(bv);
1302     return DISPATCHED_NOUPDATE;
1303 }
1304
1305
1306 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1307 {
1308     if (the_locking_inset) {
1309         if (the_locking_inset->InsertInsetAllowed(inset))
1310             return the_locking_inset->InsertInset(bv, inset);
1311         return false;
1312     }
1313     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1314 #ifndef NEW_INSETS
1315               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1316               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1317 #else
1318               bv->text->cursor.par()->previous,
1319               bv->text->cursor.par()->next
1320 #endif
1321             );
1322     inset->setOwner(this);
1323     HideInsetCursor(bv);
1324     TEXT(bv)->InsertInset(bv, inset);
1325     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1326         (cpar(bv)->GetInset(cpos(bv)) != inset))
1327         TEXT(bv)->CursorLeft(bv);
1328     TEXT(bv)->selection = 0;
1329     bv->fitCursor(TEXT(bv));
1330     UpdateLocal(bv, CURSOR_PAR, true);
1331     ShowInsetCursor(bv);
1332     return true;
1333 }
1334
1335
1336 UpdatableInset * InsetText::GetLockingInset()
1337 {
1338     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1339 }
1340
1341
1342 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1343 {
1344     if (c == LyxCode())
1345         return this;
1346     if (the_locking_inset)
1347         return the_locking_inset->GetFirstLockingInsetOfType(c);
1348     return 0;
1349 }
1350
1351
1352 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1353 {
1354     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1355 #ifndef NEW_INSETS
1356               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1357               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1358 #else
1359               bv->text->cursor.par()->previous,
1360               bv->text->cursor.par()->next
1361 #endif
1362             );
1363     TEXT(bv)->SetFont(bv, font, toggleall);
1364     bv->fitCursor(TEXT(bv));
1365     UpdateLocal(bv, CURSOR_PAR, true);
1366 }
1367
1368
1369 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1370 {
1371     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1372         unsigned int x;
1373         unsigned int y;
1374         Inset * inset =
1375             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1376         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1377             return false;
1378         LyXFont const font =
1379                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1380         if (behind) {
1381             x = inset->width(bv, font);
1382             y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1383         } else {
1384             x = 0;
1385             y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1386         }
1387         //inset_x = cx(bv) - top_x + drawTextXOffset;
1388         //inset_y = cy(bv) + drawTextYOffset;
1389         inset->Edit(bv, x, y, 0);
1390         if (!the_locking_inset)
1391             return false;
1392         UpdateLocal(bv, CURSOR_PAR, false);
1393         return true;
1394     }
1395     return false;
1396 }
1397
1398
1399 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1400                                       int button)
1401 {
1402     x = x - drawTextXOffset;
1403     y = y + insetAscent;
1404     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1405
1406     if (inset) {
1407         if (x < 0)
1408             x = insetWidth;
1409         if (y < 0)
1410             y = insetDescent;
1411         inset_x = cx(bv) - top_x + drawTextXOffset;
1412         inset_y = cy(bv) + drawTextYOffset;
1413         inset->Edit(bv, x - inset_x, y - inset_y, button);
1414         if (!the_locking_inset)
1415             return false;
1416         UpdateLocal(bv, CURSOR_PAR, false);
1417         return true;
1418     }
1419     return false;
1420 }
1421
1422
1423 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1424 {
1425     int w = UpdatableInset::getMaxWidth(pain, inset);
1426     if (w < 0) {
1427         return w;
1428     }
1429     if (owner()) {
1430         w = w - top_x + owner()->x();
1431         return w;
1432     }
1433     w -= (2 * TEXT_TO_INSET_OFFSET);
1434     return w - top_x;
1435 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1436 }
1437
1438
1439 void InsetText::SetParagraphData(LyXParagraph *p)
1440 {
1441     // delete all instances of LyXText before deleting the paragraps used
1442     // by it.
1443     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1444         delete (*cit).second;
1445         (*cit).second = 0;
1446     }
1447
1448     LyXParagraph * np;
1449     if (par) {
1450         np = par->next;
1451         delete par;
1452         while(np) {
1453             par = np;
1454             np = np->next;
1455             delete par;
1456         }
1457     }
1458     par = p->Clone();
1459     par->SetInsetOwner(this);
1460     np = par;
1461     while(p->next) {
1462         p = p->next;
1463         np->next = p->Clone();
1464         np->next->previous = np;
1465         np = np->next;
1466         np->SetInsetOwner(this);
1467     }
1468     need_update = INIT;
1469 }
1470
1471
1472 void InsetText::SetText(string const & data)
1473 {
1474     clear();
1475     LyXFont font(LyXFont::ALL_SANE);
1476     for(unsigned int i=0; i < data.length(); ++i)
1477         par->InsertChar(i, data[i], font);
1478 }
1479
1480
1481 void InsetText::SetAutoBreakRows(bool flag)
1482 {
1483     if (flag != autoBreakRows) {
1484         autoBreakRows = flag;
1485         need_update = FULL;
1486         if (!flag)
1487             removeNewlines();
1488     }
1489 }
1490
1491
1492 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1493 {
1494     if (how != drawFrame) {
1495         drawFrame = how;
1496         if (bv)
1497             UpdateLocal(bv, DRAW_FRAME, false);
1498     }
1499 }
1500
1501
1502 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1503 {
1504     if (frame_color != col) {
1505         frame_color = col;
1506         if (bv)
1507             UpdateLocal(bv, DRAW_FRAME, false);
1508     }
1509 }
1510
1511 #if 0
1512 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1513 {
1514     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1515 }
1516 #endif
1517
1518
1519 int InsetText::cx(BufferView * bv) const
1520 {
1521         LyXText * text = TEXT(bv);
1522         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1523         if (the_locking_inset) {
1524                 LyXFont font = text->GetFont(bv->buffer(),
1525                                      text->cursor.par(), text->cursor.pos());
1526                 if (font.isVisibleRightToLeft())
1527                         x -= the_locking_inset->width(bv, font);
1528         }
1529         return x;
1530 }
1531
1532
1533 int InsetText::cy(BufferView * bv) const
1534 {
1535     LyXFont font;
1536     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1537 }
1538
1539
1540 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1541 {
1542     return TEXT(bv)->cursor.pos();
1543 }
1544
1545
1546 LyXParagraph * InsetText::cpar(BufferView * bv) const
1547 {
1548     return TEXT(bv)->cursor.par();
1549 }
1550
1551 bool InsetText::cboundary(BufferView * bv) const
1552 {
1553     return TEXT(bv)->cursor.boundary();
1554 }
1555
1556
1557 Row * InsetText::crow(BufferView * bv) const
1558 {
1559     return TEXT(bv)->cursor.row();
1560 }
1561
1562
1563 LyXText * InsetText::getLyXText(BufferView const * lbv) const
1564 {
1565     // Super UGLY! (Lgb)
1566     BufferView * bv = const_cast<BufferView *>(lbv);
1567
1568     if ((cache.find(bv) != cache.end()) && cache[bv])
1569         return cache[bv];
1570     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1571     lt->init(bv);
1572     cache[bv] = lt;
1573     if (the_locking_inset) {
1574        lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1575     }
1576     return lt;
1577 }
1578
1579
1580 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1581 {
1582     if ((cache.find(bv) == cache.end()) || !cache[bv])
1583         return;
1584     delete cache[bv];
1585     cache.erase(bv);
1586     if (recursive) {
1587         /// then remove all LyXText in text-insets
1588         LyXParagraph * p = par;
1589         for (;p;p = p->next) {
1590             p->deleteInsetsLyXText(bv);
1591         }
1592     }
1593 }
1594
1595
1596 void InsetText::resizeLyXText(BufferView * bv) const
1597 {
1598     if (!par->next && !par->size()) // resize not neccessary!
1599         return;
1600     if ((cache.find(bv) == cache.end()) || !cache[bv])
1601         return;
1602
1603     LyXParagraph * lpar = 0;
1604     LyXParagraph * selstartpar = 0;
1605     LyXParagraph * selendpar = 0;
1606     LyXParagraph::size_type pos = 0;
1607     LyXParagraph::size_type selstartpos = 0;
1608     LyXParagraph::size_type selendpos = 0;
1609     bool boundary = false;
1610     bool selstartboundary = false;
1611     bool selendboundary = false;
1612     int selection = 0;
1613     int mark_set = 0;
1614
1615 //    ProhibitInput(bv);
1616
1617     if (locked) {
1618         lpar = TEXT(bv)->cursor.par();
1619         pos = TEXT(bv)->cursor.pos();
1620         boundary = TEXT(bv)->cursor.boundary();
1621         selstartpar = TEXT(bv)->sel_start_cursor.par();
1622         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1623         selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1624         selendpar = TEXT(bv)->sel_end_cursor.par();
1625         selendpos = TEXT(bv)->sel_end_cursor.pos();
1626         selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1627         selection = TEXT(bv)->selection;
1628         mark_set = TEXT(bv)->mark_set;
1629     }
1630     deleteLyXText(bv, (the_locking_inset == 0));
1631
1632     if (lpar) {
1633         TEXT(bv)->selection = true;
1634         /* at this point just to avoid the Delete-Empty-Paragraph
1635          * Mechanism when setting the cursor */
1636         TEXT(bv)->mark_set = mark_set;
1637         if (selection) {
1638             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,true,
1639                                 selstartboundary);
1640             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1641             TEXT(bv)->SetCursor(bv, selendpar, selendpos, true, selendboundary);
1642             TEXT(bv)->SetSelection();
1643             TEXT(bv)->SetCursor(bv, lpar, pos);
1644         } else {
1645             TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1646             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1647             TEXT(bv)->selection = false;
1648         }
1649     }
1650     if (bv->screen())
1651             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1652     // this will scroll the screen such that the cursor becomes visible
1653     bv->updateScrollbar();
1654 //    AllowInput(bv);
1655     if (the_locking_inset) {
1656         /// then resize all LyXText in text-insets
1657         inset_x = cx(bv) - top_x + drawTextXOffset;
1658         inset_y = cy(bv) + drawTextYOffset;
1659         for (LyXParagraph * p = par; p; p = p->next) {
1660             p->resizeInsetsLyXText(bv);
1661         }
1662     }
1663     need_update = FULL;
1664 }
1665
1666
1667 void InsetText::removeNewlines()
1668 {
1669     for (LyXParagraph * p = par; p; p = p->next) {
1670         for (int i = 0; i < p->Last(); ++i) {
1671             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1672                 p->Erase(i);
1673         }
1674     }
1675 }