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 = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 257     return insetWidth;
 258 }
 259
 260
 261 int InsetText::textWidth(Painter & pain) const
 262 {
 263     int w = getMaxWidth(pain, this);
 264     return w;
 265 }
 266
 267
 268 void InsetText::draw(BufferView * bv, LyXFont const & f,
 269                      int baseline, float & x, bool cleared) const
 270 {
 271     Painter & pain = bv->painter();
 272
 273     // no draw is necessary !!!
 274     if ((drawFrame == LOCKED) && !locked && !par->size()) {
 275         if (!cleared && (need_update == CLEAR_FRAME)) {
 276             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 277                            width(bv, f) - 1,
 278                            insetAscent + insetDescent - 1,
 279                            LColor::background);
 280         }
 281         top_x = int(x);
 282         top_baseline = baseline;
 283         x += width(bv, f);
 284         need_update = NONE;
 285         return;
 286     }
 287
 288     xpos = x;
 289     UpdatableInset::draw(bv, f, baseline, x, cleared);
 290
 291     if (!cleared && ((need_update==FULL) || (top_x!=int(x)) ||
 292                      (top_baseline!=baseline))) {
 293         int w =  insetWidth;
 294         int h = insetAscent + insetDescent;
 295         int ty = baseline - insetAscent;
 296
 297         if (ty < 0) {
 298             h += ty;
 299             ty = 0;
 300         }
 301         if ((ty + h) > pain.paperHeight())
 302             h = pain.paperHeight();
 303         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 304             w = pain.paperWidth();
 305         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 306         cleared = true;
 307         need_update = FULL;
 308     }
 309     if (!cleared && (need_update == NONE))
 310         return;
 311
 312     if (top_x != int(x)) {
 313         need_update = INIT;
 314         top_x = int(x);
 315         bv->text->status = LyXText::CHANGED_IN_DRAW;
 316         return;
 317     }
 318
 319     top_baseline = baseline;
 320     top_y = baseline - ascent(bv, f);
 321     last_width = width(bv, f);
 322     last_height = ascent(bv, f) + descent(bv, f);
 323
 324     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 325         inset_x = cx(bv) - top_x + drawTextXOffset;
 326         inset_y = cy(bv) + drawTextYOffset;
 327     }
 328     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 329         x += width(bv, f);
 330         need_update = NONE;
 331         return;
 332     }
 333     x += TEXT_TO_INSET_OFFSET;
 334     {
 335         int y = 0;
 336         Row * row = TEXT(bv)->GetRowNearY(y);
 337         int y_offset = baseline - row->ascent_of_text();
 338         int ph = pain.paperHeight();
 339         int first = 0;
 340         y = y_offset;
 341         while ((row != 0) && ((y+row->height()) <= 0)) {
 342             y += row->height();
 343             first += row->height();
 344             row = row->next();
 345         }
 346         if (y_offset < 0)
 347             y_offset = y;
 348         TEXT(bv)->first = first;
 349         if (cleared || !locked || (need_update == FULL)) {
 350             int yf = y_offset;
 351             y = 0;
 352             while ((row != 0) && (yf < ph)) {
 353                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 354                                             y+first, cleared);
 355                 y += row->height();
 356                 yf += row->height();
 357                 row = row->next();
 358             }
 359         } else if (need_update == SELECTION) {
 360             bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 361         } else {
 362             locked = false;
 363             if (need_update == CURSOR) {
 364                 bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 365                 TEXT(bv)->ClearSelection();
 366                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 367             }
 368             bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 369             locked = true;
 370         }
 371     }
 372     TEXT(bv)->refresh_y = 0;
 373     TEXT(bv)->status = LyXText::UNCHANGED;
 374     if ((need_update != CURSOR_PAR) &&
 375         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 376     {
 377             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 378                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 379                            frame_color);
 380     } else if (need_update == CLEAR_FRAME) {
 381             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 382                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 383                            LColor::background);
 384     }
 385     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 386     if (bv->text->status==LyXText::CHANGED_IN_DRAW)
 387         need_update = INIT;
 388     else if (need_update != INIT)
 389         need_update = NONE;
 390 }
 391
 392
 393 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 394 {
 395     if (reinit) {  // && (need_update != CURSOR)) {
 396         need_update = INIT;
 397         resizeLyXText(bv);
 398         if (owner())
 399             owner()->update(bv, font, true);
 400         return;
 401     }
 402     if (the_locking_inset) {
 403         inset_x = cx(bv) - top_x + drawTextXOffset;
 404         inset_y = cy(bv) + drawTextYOffset;
 405         the_locking_inset->update(bv, font, reinit);
 406     }
 407     if (need_update == INIT) {
 408         resizeLyXText(bv);
 409         need_update = FULL;
 410     }
 411     int oldw = insetWidth;
 412 #if 1
 413     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 414     // max(textWidth(bv->painter()),
 415     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 416     // (2 * TEXT_TO_INSET_OFFSET);
 417 #else
 418     insetWidth = textWidth(bv->painter());
 419     if (insetWidth < 0)
 420             insetWidth = static_cast<int>(TEXT(bv)->width);
 421 #endif
 422     if (oldw != insetWidth) {
 423 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 424 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 425         resizeLyXText(bv);
 426         need_update = FULL;
 427         update(bv, font, reinit);
 428         return;
 429     }
 430     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 431         the_locking_inset)
 432     {
 433         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 434     }
 435
 436     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 437         need_update = FULL;
 438
 439     int y_temp = 0;
 440     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 441     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 442     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 443         TEXT_TO_INSET_OFFSET;
 444 }
 445
 446
 447 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 448 {
 449     TEXT(bv)->FullRebreak(bv);
 450     if (need_update != INIT) {
 451         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 452             need_update = FULL;
 453         else if (!the_locking_inset || (what != CURSOR))
 454             need_update = what;
 455     }
 456     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 457         TEXT(bv)->selection)
 458             bv->updateInset(this, mark_dirty);
 459     bv->owner()->showState();
 460     if (old_par != cpar(bv)) {
 461             bv->owner()->setLayout(cpar(bv)->GetLayout());
 462             old_par = cpar(bv);
 463     }
 464 }
 465
 466
 467 string const InsetText::EditMessage() const
 468 {
 469     return _("Opened Text Inset");
 470 }
 471
 472
 473 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 474 {
 475 //    par->SetInsetOwner(this);
 476     UpdatableInset::Edit(bv, x, y, button);
 477
 478     if (!bv->lockInset(this)) {
 479         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 480         return;
 481     }
 482     locked = true;
 483     the_locking_inset = 0;
 484     inset_pos = inset_x = inset_y = 0;
 485     inset_boundary = false;
 486     inset_par = 0;
 487     old_par = 0;
 488     if (!checkAndActivateInset(bv, x, y, button))
 489         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 490                                            y+insetAscent);
 491     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 492     bv->text->FinishUndo();
 493     ShowInsetCursor(bv);
 494     UpdateLocal(bv, FULL, false);
 495 }
 496
 497
 498 void InsetText::InsetUnlock(BufferView * bv)
 499 {
 500     if (the_locking_inset) {
 501         the_locking_inset->InsetUnlock(bv);
 502         the_locking_inset = 0;
 503     }
 504     HideInsetCursor(bv);
 505     no_selection = false;
 506     locked = false;
 507     TEXT(bv)->selection = 0;
 508     UpdateLocal(bv, CLEAR_FRAME, false);
 509     if (owner())
 510             bv->owner()->setLayout(owner()->getLyXText(bv)
 511                                     ->cursor.par()->GetLayout());
 512     else
 513             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 514 }
 515
 516
 517 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 518 {
 519     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 520     if (!inset)
 521         return false;
 522     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 523         lyxerr[Debug::INSETS] << "OK" << endl;
 524         the_locking_inset = inset;
 525         inset_x = cx(bv) - top_x + drawTextXOffset;
 526         inset_y = cy(bv) + drawTextYOffset;
 527         inset_pos = cpos(bv);
 528         inset_par = cpar(bv);
 529         inset_boundary = cboundary(bv);
 530         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 531         return true;
 532     } else if (the_locking_inset && (the_locking_inset == inset)) {
 533         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 534             lyxerr[Debug::INSETS] << "OK" << endl;
 535             inset_x = cx(bv) - top_x + drawTextXOffset;
 536             inset_y = cy(bv) + drawTextYOffset;
 537         } else {
 538             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 539         }
 540     } else if (the_locking_inset) {
 541         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 542         return the_locking_inset->LockInsetInInset(bv, inset);
 543     }
 544     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 545     return false;
 546 }
 547
 548
 549 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 550                                    bool lr)
 551 {
 552     if (!the_locking_inset)
 553         return false;
 554     if (the_locking_inset == inset) {
 555         the_locking_inset->InsetUnlock(bv);
 556         TEXT(bv)->UpdateInset(bv, inset);
 557         the_locking_inset = 0;
 558         if (lr)
 559             moveRight(bv, false);
 560         old_par = 0; // force layout setting
 561         UpdateLocal(bv, CURSOR_PAR, false);
 562         return true;
 563     }
 564     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 565 }
 566
 567
 568 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 569 {
 570     if (!the_locking_inset)
 571         return false;
 572     if (the_locking_inset != inset) {
 573         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 574         need_update = CURSOR_PAR;
 575         return the_locking_inset->UpdateInsetInInset(bv, inset);
 576     }
 577 //    UpdateLocal(bv, FULL, false);
 578     if (TEXT(bv)->UpdateInset(bv, inset))
 579         UpdateLocal(bv, CURSOR_PAR, false);
 580     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 581         inset_x = cx(bv) - top_x + drawTextXOffset;
 582         inset_y = cy(bv) + drawTextYOffset;
 583     }
 584     return true;
 585 }
 586
 587
 588 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 589 {
 590     no_selection = false;
 591
 592     int tmp_x = x - drawTextXOffset;
 593     int tmp_y = y + insetAscent - TEXT(bv)->first;
 594     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 595
 596     HideInsetCursor(bv);
 597     if (the_locking_inset) {
 598         if (the_locking_inset == inset) {
 599             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 600             return;
 601         } else if (inset) {
 602             // otherwise unlock the_locking_inset and lock the new inset
 603             the_locking_inset->InsetUnlock(bv);
 604             inset_x = cx(bv) - top_x + drawTextXOffset;
 605             inset_y = cy(bv) + drawTextYOffset;
 606             the_locking_inset = static_cast<UpdatableInset*>(inset);
 607             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 608             inset->Edit(bv, x - inset_x, y - inset_y, button);
 609             if (the_locking_inset) {
 610                 UpdateLocal(bv, CURSOR_PAR, false);
 611             }
 612             return;
 613         }
 614         // otherwise only unlock the_locking_inset
 615         the_locking_inset->InsetUnlock(bv);
 616         the_locking_inset = 0;
 617     }
 618     if (bv->theLockingInset()) {
 619         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 620             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 621             inset_x = cx(bv) - top_x + drawTextXOffset;
 622             inset_y = cy(bv) + drawTextYOffset;
 623             inset_pos = cpos(bv);
 624             inset_par = cpar(bv);
 625             inset_boundary = cboundary(bv);
 626             the_locking_inset = uinset;
 627             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 628             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 629 //          TEXT(bv)->ClearSelection();
 630             if (the_locking_inset) {
 631                 UpdateLocal(bv, CURSOR_PAR, false);
 632             }
 633             return;
 634         }
 635     }
 636     if (!inset) {
 637         bool paste_internally = false;
 638         if ((button == 2) && TEXT(bv)->selection) {
 639             LocalDispatch(bv, LFUN_COPY, "");
 640             paste_internally = true;
 641         }
 642         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 643                                            y + insetAscent);
 644         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 645         UpdateLocal(bv, CURSOR, false);
 646         bv->owner()->setLayout(cpar(bv)->GetLayout());
 647         old_par = cpar(bv);
 648         // Insert primary selection with middle mouse
 649         // if there is a local selection in the current buffer,
 650         // insert this
 651         if (button == 2) {
 652             if (paste_internally)
 653                 LocalDispatch(bv, LFUN_PASTE, "");
 654             else
 655                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 656         }
 657     }
 658     ShowInsetCursor(bv);
 659 }
 660
 661
 662 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 663 {
 664     UpdatableInset * inset = 0;
 665
 666     if (the_locking_inset) {
 667             the_locking_inset->InsetButtonRelease(bv,
 668                                                   x - inset_x, y - inset_y,
 669                                                   button);
 670     } else {
 671         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 672             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 673             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 674                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 675             } else {
 676                 inset_x = cx(bv) - top_x + drawTextXOffset;
 677                 inset_y = cy(bv) + drawTextYOffset;
 678                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 679                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 680             }
 681             UpdateLocal(bv, CURSOR_PAR, false);
 682         }
 683     }
 684     no_selection = false;
 685 }
 686
 687
 688 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 689 {
 690     if (the_locking_inset) {
 691         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 692                                              y - inset_y,state);
 693         return;
 694     }
 695     if (!no_selection) {
 696         HideInsetCursor(bv);
 697         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 698                                            y+insetAscent);
 699         TEXT(bv)->SetSelection();
 700         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 701             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 702             UpdateLocal(bv, SELECTION, false);
 703         ShowInsetCursor(bv);
 704     }
 705     no_selection = false;
 706 }
 707
 708
 709 void InsetText::InsetKeyPress(XKeyEvent * xke)
 710 {
 711     if (the_locking_inset) {
 712         the_locking_inset->InsetKeyPress(xke);
 713         return;
 714     }
 715 }
 716
 717
 718 UpdatableInset::RESULT
 719 InsetText::LocalDispatch(BufferView * bv,
 720                          int action, string const & arg)
 721 {
 722     no_selection = false;
 723     UpdatableInset::RESULT
 724         result= UpdatableInset::LocalDispatch(bv, action, arg);
 725     if (result != UNDISPATCHED) {
 726         return DISPATCHED;
 727     }
 728
 729     result=DISPATCHED;
 730     if ((action < 0) && arg.empty())
 731         return FINISHED;
 732
 733     if (the_locking_inset) {
 734         result = the_locking_inset->LocalDispatch(bv, action, arg);
 735         if (result == DISPATCHED_NOUPDATE)
 736             return result;
 737         else if (result == DISPATCHED) {
 738             UpdateLocal(bv, CURSOR_PAR, false);
 739             return result;
 740         } else if (result == FINISHED) {
 741             switch (action) {
 742             case -1:
 743             case LFUN_RIGHT:
 744                 moveRight(bv, false);
 745                 break;
 746             case LFUN_DOWN:
 747                 moveDown(bv);
 748                 break;
 749             }
 750             the_locking_inset = 0;
 751             return DISPATCHED;
 752         }
 753     }
 754     HideInsetCursor(bv);
 755     switch (action) {
 756         // Normal chars
 757     case LFUN_UNKNOWN_ACTION:
 758         if (bv->buffer()->isReadonly()) {
 759             LyXBell();
 760 //          setErrorMessage(N_("Document is read only"));
 761             break;
 762         }
 763         if (!arg.empty()) {
 764             /* Automatically delete the currently selected
 765              * text and replace it with what is being
 766              * typed in now. Depends on lyxrc settings
 767              * "auto_region_delete", which defaults to
 768              * true (on). */
 769
 770             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 771 #ifndef NEW_INSETS
 772                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 773                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 774 #else
 775                               bv->text->cursor.par()->previous,
 776                               bv->text->cursor.par()->next
 777 #endif
 778                     );
 779             // if an empty paragraph set the language to the surronding
 780             // paragraph language on insertion of the first character!
 781             if (!par->Last() && !par->next) {
 782                 LyXText * text = 0;
 783                 if (owner()) {
 784                     Inset * inset = owner();
 785                     while(inset && inset->getLyXText(bv) == TEXT(bv))
 786                         inset = inset->owner();
 787                     if (inset)
 788                         text = inset->getLyXText(bv);
 789                 }
 790                 if (!text)
 791                     text = bv->text;
 792                 LyXFont font(LyXFont::ALL_IGNORE);
 793                 font.setLanguage(text->cursor.par()->getParLanguage(bv->buffer()->params));
 794                 SetFont(bv, font, false);
 795             }
 796             bv->setState();
 797             if (lyxrc.auto_region_delete) {
 798                 if (TEXT(bv)->selection){
 799                     TEXT(bv)->CutSelection(bv, false);
 800                 }
 801             }
 802             TEXT(bv)->ClearSelection();
 803             for (string::size_type i = 0; i < arg.length(); ++i) {
 804                 if (greek_kb_flag) {
 805                     if (!math_insert_greek(bv, arg[i])) {
 806 #if 0
 807                         bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 808 #else
 809                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 810 #endif
 811                     } else if (!the_locking_inset) {
 812                         (void)moveRight(bv, false);
 813                     }
 814                 } else {
 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                 }
 821             }
 822         }
 823         UpdateLocal(bv, CURSOR_PAR, true);
 824         result=DISPATCHED_NOUPDATE;
 825         break;
 826         // --- Cursor Movements ---------------------------------------------
 827     case LFUN_RIGHTSEL:
 828         bv->text->FinishUndo();
 829         moveRight(bv, false, true);
 830         TEXT(bv)->SetSelection();
 831         UpdateLocal(bv, SELECTION, false);
 832         break;
 833     case LFUN_RIGHT:
 834         result = moveRight(bv);
 835         bv->text->FinishUndo();
 836         TEXT(bv)->ClearSelection();
 837         UpdateLocal(bv, CURSOR, false);
 838         break;
 839     case LFUN_LEFTSEL:
 840         bv->text->FinishUndo();
 841         moveLeft(bv, false, true);
 842         TEXT(bv)->SetSelection();
 843         UpdateLocal(bv, SELECTION, false);
 844         break;
 845     case LFUN_LEFT:
 846         bv->text->FinishUndo();
 847         result= moveLeft(bv);
 848         TEXT(bv)->ClearSelection();
 849         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 850         UpdateLocal(bv, CURSOR, false);
 851         break;
 852     case LFUN_DOWNSEL:
 853         bv->text->FinishUndo();
 854         moveDown(bv);
 855         TEXT(bv)->SetSelection();
 856         UpdateLocal(bv, SELECTION, false);
 857         break;
 858     case LFUN_DOWN:
 859         bv->text->FinishUndo();
 860         result = moveDown(bv);
 861         TEXT(bv)->ClearSelection();
 862         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 863         UpdateLocal(bv, CURSOR, false);
 864         break;
 865     case LFUN_UPSEL:
 866         bv->text->FinishUndo();
 867         moveUp(bv);
 868         TEXT(bv)->SetSelection();
 869         UpdateLocal(bv, SELECTION, false);
 870         break;
 871     case LFUN_UP:
 872         bv->text->FinishUndo();
 873         result = moveUp(bv);
 874         TEXT(bv)->ClearSelection();
 875         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 876         UpdateLocal(bv, CURSOR, false);
 877         break;
 878     case LFUN_HOME:
 879         bv->text->FinishUndo();
 880         TEXT(bv)->CursorHome(bv);
 881         TEXT(bv)->ClearSelection();
 882         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 883         UpdateLocal(bv, CURSOR, false);
 884         break;
 885     case LFUN_END:
 886         TEXT(bv)->CursorEnd(bv);
 887         TEXT(bv)->ClearSelection();
 888         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 889         UpdateLocal(bv, CURSOR, false);
 890         break;
 891     case LFUN_BACKSPACE:
 892         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 893 #ifndef NEW_INSETS
 894           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 895           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 896 #else
 897           bv->text->cursor.par()->previous,
 898           bv->text->cursor.par()->next
 899 #endif
 900                 );
 901         if (TEXT(bv)->selection)
 902             TEXT(bv)->CutSelection(bv);
 903         else
 904             TEXT(bv)->Backspace(bv);
 905         UpdateLocal(bv, CURSOR_PAR, true);
 906         break;
 907     case LFUN_DELETE:
 908         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 909 #ifndef NEW_INSETS
 910           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 911           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 912 #else
 913           bv->text->cursor.par()->previous,
 914           bv->text->cursor.par()->next
 915 #endif
 916                 );
 917         if (TEXT(bv)->selection)
 918             TEXT(bv)->CutSelection(bv);
 919         else
 920             TEXT(bv)->Delete(bv);
 921         UpdateLocal(bv, CURSOR_PAR, true);
 922         break;
 923     case LFUN_CUT:
 924         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 925 #ifndef NEW_INSETS
 926           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 927           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 928 #else
 929           bv->text->cursor.par()->previous,
 930           bv->text->cursor.par()->next
 931 #endif
 932                 );
 933         TEXT(bv)->CutSelection(bv);
 934         UpdateLocal(bv, CURSOR_PAR, true);
 935         break;
 936     case LFUN_COPY:
 937         bv->text->FinishUndo();
 938         TEXT(bv)->CopySelection(bv);
 939         UpdateLocal(bv, CURSOR_PAR, false);
 940         break;
 941     case LFUN_PASTESELECTION:
 942     {
 943         string clip(bv->workarea()->getClipboard());
 944
 945         if (clip.empty())
 946             break;
 947         if (arg == "paragraph") {
 948                 TEXT(bv)->InsertStringB(bv, clip);
 949         } else {
 950                 TEXT(bv)->InsertStringA(bv, clip);
 951         }
 952         UpdateLocal(bv, CURSOR_PAR, true);
 953         break;
 954     }
 955     case LFUN_PASTE:
 956         if (!autoBreakRows) {
 957             CutAndPaste cap;
 958
 959             if (cap.nrOfParagraphs() > 1) {
 960                 WriteAlert(_("Impossible operation"),
 961                            _("Cannot include more than one paragraph!"),
 962                            _("Sorry."));
 963                 break;
 964             }
 965         }
 966         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 967 #ifndef NEW_INSETS
 968           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 969           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 970 #else
 971           bv->text->cursor.par()->previous,
 972           bv->text->cursor.par()->next
 973 #endif
 974                 );
 975         TEXT(bv)->PasteSelection(bv);
 976         UpdateLocal(bv, CURSOR_PAR, true);
 977         break;
 978     case LFUN_BREAKPARAGRAPH:
 979         if (!autoBreakRows)
 980             return DISPATCHED;
 981         TEXT(bv)->BreakParagraph(bv, 0);
 982         UpdateLocal(bv, FULL, true);
 983         break;
 984     case LFUN_BREAKLINE:
 985         if (!autoBreakRows)
 986             return DISPATCHED;
 987         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 988 #ifndef NEW_INSETS
 989             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 990             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 991 #else
 992             bv->text->cursor.par()->previous,
 993             bv->text->cursor.par()->next
 994 #endif
 995                 );
 996         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 997         UpdateLocal(bv, CURSOR_PAR, true);
 998         break;
 999     case LFUN_LAYOUT:
1000         // do not set layouts on non breakable textinsets
1001         if (autoBreakRows) {
1002             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1003
1004             // Derive layout number from given argument (string)
1005             // and current buffer's textclass (number). */
1006             LyXTextClassList::ClassList::size_type tclass =
1007                 bv->buffer()->params.textclass;
1008             std::pair <bool, LyXTextClass::size_type> layout =
1009                 textclasslist.NumberOfLayout(tclass, arg);
1010
1011             // If the entry is obsolete, use the new one instead.
1012             if (layout.first) {
1013                 string obs = textclasslist.Style(tclass,layout.second).
1014                     obsoleted_by();
1015                 if (!obs.empty())
1016                     layout = textclasslist.NumberOfLayout(tclass, obs);
1017             }
1018
1019             // see if we found the layout number:
1020             if (!layout.first) {
1021                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1022
1023                 bv->owner()->getMiniBuffer()->Set(msg);
1024                 break;
1025             }
1026
1027             if (cur_layout != layout.second) {
1028                 cur_layout = layout.second;
1029                 TEXT(bv)->SetLayout(bv, layout.second);
1030                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1031                 UpdateLocal(bv, CURSOR_PAR, true);
1032             }
1033         } else {
1034             // reset the layout box
1035             bv->owner()->setLayout(cpar(bv)->GetLayout());
1036         }
1037         break;
1038     case LFUN_PARAGRAPH_SPACING:
1039             // This one is absolutely not working. When fiddling with this
1040             // it also seems to me that the paragraphs inside the insettext
1041             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1042     {
1043             LyXParagraph * par = TEXT(bv)->cursor.par();
1044             Spacing::Space cur_spacing = par->spacing.getSpace();
1045             float cur_value = 1.0;
1046             if (cur_spacing == Spacing::Other) {
1047                     cur_value = par->spacing.getValue();
1048             }
1049
1050             std::istringstream istr(arg.c_str());
1051             string tmp;
1052             istr >> tmp;
1053             Spacing::Space new_spacing = cur_spacing;
1054             float new_value = cur_value;
1055             if (tmp.empty()) {
1056                     lyxerr << "Missing argument to `paragraph-spacing'"
1057                            << endl;
1058             } else if (tmp == "single") {
1059                     new_spacing = Spacing::Single;
1060             } else if (tmp == "onehalf") {
1061                     new_spacing = Spacing::Onehalf;
1062             } else if (tmp == "double") {
1063                     new_spacing = Spacing::Double;
1064             } else if (tmp == "other") {
1065                     new_spacing = Spacing::Other;
1066                     float tmpval = 0.0;
1067                     istr >> tmpval;
1068                     lyxerr << "new_value = " << tmpval << endl;
1069                     if (tmpval != 0.0)
1070                             new_value = tmpval;
1071             } else if (tmp == "default") {
1072                     new_spacing = Spacing::Default;
1073             } else {
1074                     lyxerr << _("Unknown spacing argument: ")
1075                            << arg << endl;
1076             }
1077             if (cur_spacing != new_spacing || cur_value != new_value) {
1078                     par->spacing.set(new_spacing, new_value);
1079                     //TEXT(bv)->RedoParagraph(owner->view());
1080                     UpdateLocal(bv, CURSOR_PAR, true);
1081                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1082             }
1083     }
1084     break;
1085
1086     default:
1087         result = UNDISPATCHED;
1088         break;
1089     }
1090     if (result != FINISHED) {
1091         ShowInsetCursor(bv);
1092     } else
1093         bv->unlockInset(this);
1094     return result;
1095 }
1096
1097
1098 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1099 {
1100     TexRow texrow;
1101     buf->latexParagraphs(os, par, 0, texrow);
1102     return texrow.rows();
1103 }
1104
1105
1106 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1107 {
1108     LyXParagraph * p = par;
1109     unsigned int lines = 0;
1110
1111     string tmp;
1112     while (p) {
1113         tmp = buf->asciiParagraph(p, linelen);
1114         lines += countChar(tmp, '\n');
1115         os << tmp;
1116         p = p->next;
1117     }
1118     return lines;
1119 }
1120
1121
1122 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1123 {
1124     LyXParagraph * p = par;
1125     unsigned int lines = 0;
1126     int desc=0;
1127
1128     string tmp;
1129     while (p) {
1130         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1131         p = p->next;
1132     }
1133
1134     return lines;
1135 }
1136
1137
1138 void InsetText::Validate(LaTeXFeatures & features) const
1139 {
1140     LyXParagraph * p = par;
1141     while(p) {
1142         p->validate(features);
1143         p = p->next;
1144     }
1145 }
1146
1147
1148 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1149 {
1150     if (textclasslist.Style(buf->params.textclass,
1151                             p->GetLayout()).labeltype != LABEL_MANUAL)
1152         return 0;
1153     else
1154         return p->BeginningOfMainBody();
1155 }
1156
1157
1158 void InsetText::GetCursorPos(BufferView * bv,
1159                              int & x, int & y) const
1160 {
1161     x = cx(bv);
1162     y = cy(bv);
1163 }
1164
1165
1166 unsigned int InsetText::InsetInInsetY()
1167 {
1168     if (!the_locking_inset)
1169         return 0;
1170
1171     return (inset_y + the_locking_inset->InsetInInsetY());
1172 }
1173
1174
1175 void InsetText::ToggleInsetCursor(BufferView * bv)
1176 {
1177     if (the_locking_inset) {
1178         the_locking_inset->ToggleInsetCursor(bv);
1179         return;
1180     }
1181
1182     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1183
1184     int asc = lyxfont::maxAscent(font);
1185     int desc = lyxfont::maxDescent(font);
1186
1187     if (cursor_visible)
1188         bv->hideLockedInsetCursor();
1189     else
1190         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1191     cursor_visible = !cursor_visible;
1192 }
1193
1194
1195 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1196 {
1197     if (the_locking_inset) {
1198         the_locking_inset->ShowInsetCursor(bv);
1199         return;
1200     }
1201     if (!cursor_visible) {
1202         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1203
1204         int asc = lyxfont::maxAscent(font);
1205         int desc = lyxfont::maxDescent(font);
1206
1207         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1208         if (show)
1209             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1210         cursor_visible = true;
1211     }
1212 }
1213
1214
1215 void InsetText::HideInsetCursor(BufferView * bv)
1216 {
1217     if (cursor_visible) {
1218         bv->hideLockedInsetCursor();
1219         cursor_visible = false;
1220     }
1221     if (the_locking_inset)
1222         the_locking_inset->HideInsetCursor(bv);
1223 }
1224
1225
1226 UpdatableInset::RESULT
1227 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1228 {
1229     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1230         return FINISHED;
1231     if (activate_inset && checkAndActivateInset(bv, false))
1232         return DISPATCHED;
1233     TEXT(bv)->CursorRight(bv, selecting);
1234     return DISPATCHED_NOUPDATE;
1235 }
1236
1237
1238 UpdatableInset::RESULT
1239 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1240 {
1241     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1242         return FINISHED;
1243     TEXT(bv)->CursorLeft(bv, selecting);
1244     if (activate_inset && checkAndActivateInset(bv, true))
1245         return DISPATCHED;
1246     return DISPATCHED_NOUPDATE;
1247 }
1248
1249
1250 UpdatableInset::RESULT
1251 InsetText::moveUp(BufferView * bv)
1252 {
1253     if (!crow(bv)->previous())
1254         return FINISHED;
1255     TEXT(bv)->CursorUp(bv);
1256     return DISPATCHED_NOUPDATE;
1257 }
1258
1259
1260 UpdatableInset::RESULT
1261 InsetText::moveDown(BufferView * bv)
1262 {
1263     if (!crow(bv)->next())
1264         return FINISHED;
1265     TEXT(bv)->CursorDown(bv);
1266     return DISPATCHED_NOUPDATE;
1267 }
1268
1269
1270 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1271 {
1272     if (the_locking_inset) {
1273         if (the_locking_inset->InsertInsetAllowed(inset))
1274             return the_locking_inset->InsertInset(bv, inset);
1275         return false;
1276     }
1277     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1278 #ifndef NEW_INSETS
1279               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1280               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1281 #else
1282               bv->text->cursor.par()->previous,
1283               bv->text->cursor.par()->next
1284 #endif
1285             );
1286     inset->setOwner(this);
1287     HideInsetCursor(bv);
1288     TEXT(bv)->InsertInset(bv, inset);
1289     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1290         (cpar(bv)->GetInset(cpos(bv)) != inset))
1291         TEXT(bv)->CursorLeft(bv);
1292     TEXT(bv)->selection = 0;
1293     bv->fitCursor(TEXT(bv));
1294     UpdateLocal(bv, CURSOR_PAR, true);
1295     ShowInsetCursor(bv);
1296     return true;
1297 }
1298
1299
1300 UpdatableInset * InsetText::GetLockingInset()
1301 {
1302     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1303 }
1304
1305
1306 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1307 {
1308     if (c == LyxCode())
1309         return this;
1310     if (the_locking_inset)
1311         return the_locking_inset->GetFirstLockingInsetOfType(c);
1312     return 0;
1313 }
1314
1315
1316 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1317 {
1318     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1319 #ifndef NEW_INSETS
1320               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1321               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1322 #else
1323               bv->text->cursor.par()->previous,
1324               bv->text->cursor.par()->next
1325 #endif
1326             );
1327     TEXT(bv)->SetFont(bv, font, toggleall);
1328     bv->fitCursor(TEXT(bv));
1329     UpdateLocal(bv, CURSOR_PAR, true);
1330 }
1331
1332
1333 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1334 {
1335     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1336         unsigned int x;
1337         unsigned int y;
1338         Inset * inset =
1339             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1340         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1341             return false;
1342         LyXFont const font =
1343                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1344         if (behind) {
1345             x = inset->width(bv, font);
1346             y = inset->descent(bv, font);
1347         } else {
1348             x = y = 0;
1349         }
1350         inset_x = cx(bv) - top_x + drawTextXOffset;
1351         inset_y = cy(bv) + drawTextYOffset;
1352         inset->Edit(bv, x - inset_x, y - inset_y, 0);
1353         if (!the_locking_inset)
1354             return false;
1355         UpdateLocal(bv, CURSOR_PAR, false);
1356         return true;
1357     }
1358     return false;
1359 }
1360
1361
1362 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1363                                       int button)
1364 {
1365     x = x - drawTextXOffset;
1366     y = y + insetAscent;
1367     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1368
1369     if (inset) {
1370         if (x < 0)
1371             x = insetWidth;
1372         if (y < 0)
1373             y = insetDescent;
1374         inset_x = cx(bv) - top_x + drawTextXOffset;
1375         inset_y = cy(bv) + drawTextYOffset;
1376         inset->Edit(bv, x - inset_x, y - inset_y, button);
1377         if (!the_locking_inset)
1378             return false;
1379         UpdateLocal(bv, CURSOR_PAR, false);
1380         return true;
1381     }
1382     return false;
1383 }
1384
1385
1386 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1387 {
1388     int w = UpdatableInset::getMaxWidth(pain, inset);
1389     if (w < 0) {
1390         return w;
1391     }
1392     if (owner()) {
1393         w = w - top_x + owner()->x();
1394         return w;
1395     }
1396     w -= (2 * TEXT_TO_INSET_OFFSET);
1397     return w - top_x;
1398 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1399 }
1400
1401
1402 void InsetText::SetParagraphData(LyXParagraph *p)
1403 {
1404     // delete all instances of LyXText before deleting the paragraps used
1405     // by it.
1406     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1407         delete (*cit).second;
1408         (*cit).second = 0;
1409     }
1410
1411     LyXParagraph * np;
1412     if (par) {
1413         np = par->next;
1414         delete par;
1415         while(np) {
1416             par = np;
1417             np = np->next;
1418             delete par;
1419         }
1420     }
1421     par = p->Clone();
1422     par->SetInsetOwner(this);
1423     np = par;
1424     while(p->next) {
1425         p = p->next;
1426         np->next = p->Clone();
1427         np->next->previous = np;
1428         np = np->next;
1429         np->SetInsetOwner(this);
1430     }
1431     need_update = INIT;
1432 }
1433
1434
1435 void InsetText::SetAutoBreakRows(bool flag)
1436 {
1437     if (flag != autoBreakRows) {
1438         autoBreakRows = flag;
1439         need_update = FULL;
1440         if (!flag)
1441             removeNewlines();
1442     }
1443 }
1444
1445
1446 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1447 {
1448     if (how != drawFrame) {
1449         drawFrame = how;
1450         if (bv)
1451             UpdateLocal(bv, DRAW_FRAME, false);
1452     }
1453 }
1454
1455
1456 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1457 {
1458     if (frame_color != col) {
1459         frame_color = col;
1460         if (bv)
1461             UpdateLocal(bv, DRAW_FRAME, false);
1462     }
1463 }
1464
1465 #if 0
1466 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1467 {
1468     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1469 }
1470 #endif
1471
1472
1473 int InsetText::cx(BufferView * bv) const
1474 {
1475         LyXText * text = TEXT(bv);
1476         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1477         if (the_locking_inset) {
1478                 LyXFont font = text->GetFont(bv->buffer(),
1479                                      text->cursor.par(), text->cursor.pos());
1480                 if (font.isVisibleRightToLeft())
1481                         x -= the_locking_inset->width(bv, font);
1482         }
1483         return x;
1484 }
1485
1486
1487 int InsetText::cy(BufferView * bv) const
1488 {
1489     LyXFont font;
1490     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1491 }
1492
1493
1494 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1495 {
1496     return TEXT(bv)->cursor.pos();
1497 }
1498
1499
1500 LyXParagraph * InsetText::cpar(BufferView * bv) const
1501 {
1502     return TEXT(bv)->cursor.par();
1503 }
1504
1505 bool InsetText::cboundary(BufferView * bv) const
1506 {
1507     return TEXT(bv)->cursor.boundary();
1508 }
1509
1510
1511 Row * InsetText::crow(BufferView * bv) const
1512 {
1513     return TEXT(bv)->cursor.row();
1514 }
1515
1516
1517 LyXText * InsetText::getLyXText(BufferView const * lbv) const
1518 {
1519     // Super UGLY! (Lgb)
1520     BufferView * bv = const_cast<BufferView *>(lbv);
1521
1522     if ((cache.find(bv) != cache.end()) && cache[bv])
1523         return cache[bv];
1524     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1525     lt->init(bv);
1526     cache[bv] = lt;
1527     if (the_locking_inset) {
1528        lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1529     }
1530     return lt;
1531 }
1532
1533
1534 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1535 {
1536     if ((cache.find(bv) == cache.end()) || !cache[bv])
1537         return;
1538     delete cache[bv];
1539     cache.erase(bv);
1540     if (recursive) {
1541         /// then remove all LyXText in text-insets
1542         LyXParagraph * p = par;
1543         for (;p;p = p->next) {
1544             p->deleteInsetsLyXText(bv);
1545         }
1546     }
1547 }
1548
1549
1550 void InsetText::resizeLyXText(BufferView * bv) const
1551 {
1552     if (!par->next && !par->size()) // resize not neccessary!
1553         return;
1554     if ((cache.find(bv) == cache.end()) || !cache[bv])
1555         return;
1556
1557     LyXParagraph * lpar = 0;
1558     LyXParagraph * selstartpar = 0;
1559     LyXParagraph * selendpar = 0;
1560     LyXParagraph::size_type pos = 0;
1561     LyXParagraph::size_type selstartpos = 0;
1562     LyXParagraph::size_type selendpos = 0;
1563     bool boundary = false;
1564     bool selstartboundary = false;
1565     bool selendboundary = false;
1566     int selection = 0;
1567     int mark_set = 0;
1568
1569 //    ProhibitInput(bv);
1570
1571     if (locked) {
1572         lpar = TEXT(bv)->cursor.par();
1573         pos = TEXT(bv)->cursor.pos();
1574         boundary = TEXT(bv)->cursor.boundary();
1575         selstartpar = TEXT(bv)->sel_start_cursor.par();
1576         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1577         selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1578         selendpar = TEXT(bv)->sel_end_cursor.par();
1579         selendpos = TEXT(bv)->sel_end_cursor.pos();
1580         selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1581         selection = TEXT(bv)->selection;
1582         mark_set = TEXT(bv)->mark_set;
1583     }
1584     deleteLyXText(bv, (the_locking_inset == 0));
1585
1586     if (lpar) {
1587         TEXT(bv)->selection = true;
1588         /* at this point just to avoid the Delete-Empty-Paragraph
1589          * Mechanism when setting the cursor */
1590         TEXT(bv)->mark_set = mark_set;
1591         if (selection) {
1592             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,true,
1593                                 selstartboundary);
1594             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1595             TEXT(bv)->SetCursor(bv, selendpar, selendpos, true, selendboundary);
1596             TEXT(bv)->SetSelection();
1597             TEXT(bv)->SetCursor(bv, lpar, pos);
1598         } else {
1599             TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1600             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1601             TEXT(bv)->selection = false;
1602         }
1603     }
1604     if (bv->screen())
1605             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1606     // this will scroll the screen such that the cursor becomes visible
1607     bv->updateScrollbar();
1608 //    AllowInput(bv);
1609     if (the_locking_inset) {
1610         /// then resize all LyXText in text-insets
1611         inset_x = cx(bv) - top_x + drawTextXOffset;
1612         inset_y = cy(bv) + drawTextYOffset;
1613         for (LyXParagraph * p = par; p; p = p->next) {
1614             p->resizeInsetsLyXText(bv);
1615         }
1616     }
1617     need_update = FULL;
1618 }
1619
1620
1621 void InsetText::removeNewlines()
1622 {
1623     for (LyXParagraph * p = par; p; p = p->next) {
1624         for (int i = 0; i < p->Last(); ++i) {
1625             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1626                 p->Erase(i);
1627         }
1628     }
1629 }