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 void InsetText::SetUpdateStatus(UpdateCodes what)
 454 {
 455     if (what > need_update)
 456         need_update = what;
 457 }
 458
 459 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 460 {
 461 //    if (what == INIT)
 462 //      printf("InsetText::UpdateLocal -> INIT(%d)\n",insetWidth);
 463     TEXT(bv)->FullRebreak(bv);
 464     if (need_update != INIT) {
 465         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 466             need_update = FULL;
 467         else if (!the_locking_inset || (what != CURSOR))
 468             need_update = what;
 469     }
 470     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 471         TEXT(bv)->selection)
 472             bv->updateInset(this, mark_dirty);
 473     bv->owner()->showState();
 474     if (old_par != cpar(bv)) {
 475             bv->owner()->setLayout(cpar(bv)->GetLayout());
 476             old_par = cpar(bv);
 477     }
 478 }
 479
 480
 481 string const InsetText::EditMessage() const
 482 {
 483     return _("Opened Text Inset");
 484 }
 485
 486
 487 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 488 {
 489 //    par->SetInsetOwner(this);
 490     UpdatableInset::Edit(bv, x, y, button);
 491
 492     if (!bv->lockInset(this)) {
 493         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 494         return;
 495     }
 496     locked = true;
 497     the_locking_inset = 0;
 498     inset_pos = inset_x = inset_y = 0;
 499     inset_boundary = false;
 500     inset_par = 0;
 501     old_par = 0;
 502     if (!checkAndActivateInset(bv, x, y, button))
 503         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 504                                            y+insetAscent);
 505     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 506     bv->text->FinishUndo();
 507     ShowInsetCursor(bv);
 508     UpdateLocal(bv, FULL, false);
 509
 510     // If the inset is empty set the language of the current font to the
 511     // language to the surronding text.
 512     if (par->Last() == 0 && !par->next) {
 513         LyXFont font(LyXFont::ALL_IGNORE);
 514         font.setLanguage(bv->getParentLanguage(this));
 515         SetFont(bv, font, false);
 516     }
 517 }
 518
 519
 520 void InsetText::InsetUnlock(BufferView * bv)
 521 {
 522     if (the_locking_inset) {
 523         the_locking_inset->InsetUnlock(bv);
 524         the_locking_inset = 0;
 525     }
 526     HideInsetCursor(bv);
 527     no_selection = false;
 528     locked = false;
 529     TEXT(bv)->selection = 0;
 530     UpdateLocal(bv, CLEAR_FRAME, false);
 531     if (owner())
 532             bv->owner()->setLayout(owner()->getLyXText(bv)
 533                                     ->cursor.par()->GetLayout());
 534     else
 535             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 536 }
 537
 538
 539 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 540 {
 541     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 542     if (!inset)
 543         return false;
 544     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 545         lyxerr[Debug::INSETS] << "OK" << endl;
 546         the_locking_inset = inset;
 547         inset_x = cx(bv) - top_x + drawTextXOffset;
 548         inset_y = cy(bv) + drawTextYOffset;
 549         inset_pos = cpos(bv);
 550         inset_par = cpar(bv);
 551         inset_boundary = cboundary(bv);
 552         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 553         return true;
 554     } else if (the_locking_inset && (the_locking_inset == inset)) {
 555         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 556             lyxerr[Debug::INSETS] << "OK" << endl;
 557             inset_x = cx(bv) - top_x + drawTextXOffset;
 558             inset_y = cy(bv) + drawTextYOffset;
 559         } else {
 560             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 561         }
 562     } else if (the_locking_inset) {
 563         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 564         return the_locking_inset->LockInsetInInset(bv, inset);
 565     }
 566     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 567     return false;
 568 }
 569
 570
 571 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 572                                    bool lr)
 573 {
 574     if (!the_locking_inset)
 575         return false;
 576     if (the_locking_inset == inset) {
 577         the_locking_inset->InsetUnlock(bv);
 578         TEXT(bv)->UpdateInset(bv, inset);
 579         the_locking_inset = 0;
 580         if (lr)
 581             moveRight(bv, false);
 582         old_par = 0; // force layout setting
 583         UpdateLocal(bv, CURSOR_PAR, false);
 584         return true;
 585     }
 586     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 587 }
 588
 589
 590 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 591 {
 592     if (!the_locking_inset)
 593         return false;
 594     if (the_locking_inset != inset) {
 595         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 596         need_update = CURSOR_PAR;
 597         return the_locking_inset->UpdateInsetInInset(bv, inset);
 598     }
 599 //    UpdateLocal(bv, FULL, false);
 600     if (TEXT(bv)->UpdateInset(bv, inset))
 601         UpdateLocal(bv, CURSOR_PAR, false);
 602     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 603         inset_x = cx(bv) - top_x + drawTextXOffset;
 604         inset_y = cy(bv) + drawTextYOffset;
 605     }
 606     return true;
 607 }
 608
 609
 610 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 611 {
 612     no_selection = false;
 613
 614     int tmp_x = x - drawTextXOffset;
 615     int tmp_y = y + insetAscent - TEXT(bv)->first;
 616     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 617
 618     HideInsetCursor(bv);
 619     if (the_locking_inset) {
 620         if (the_locking_inset == inset) {
 621             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 622             return;
 623         } else if (inset) {
 624             // otherwise unlock the_locking_inset and lock the new inset
 625             the_locking_inset->InsetUnlock(bv);
 626             inset_x = cx(bv) - top_x + drawTextXOffset;
 627             inset_y = cy(bv) + drawTextYOffset;
 628             the_locking_inset = static_cast<UpdatableInset*>(inset);
 629             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 630             inset->Edit(bv, x - inset_x, y - inset_y, button);
 631             if (the_locking_inset) {
 632                 UpdateLocal(bv, CURSOR_PAR, false);
 633             }
 634             return;
 635         }
 636         // otherwise only unlock the_locking_inset
 637         the_locking_inset->InsetUnlock(bv);
 638         the_locking_inset = 0;
 639     }
 640     if (bv->theLockingInset()) {
 641         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 642             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 643             inset_x = cx(bv) - top_x + drawTextXOffset;
 644             inset_y = cy(bv) + drawTextYOffset;
 645             inset_pos = cpos(bv);
 646             inset_par = cpar(bv);
 647             inset_boundary = cboundary(bv);
 648             the_locking_inset = uinset;
 649             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 650             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 651 //          TEXT(bv)->ClearSelection();
 652             if (the_locking_inset) {
 653                 UpdateLocal(bv, CURSOR_PAR, false);
 654             }
 655             return;
 656         }
 657     }
 658     if (!inset) {
 659         bool paste_internally = false;
 660         if ((button == 2) && TEXT(bv)->selection) {
 661             LocalDispatch(bv, LFUN_COPY, "");
 662             paste_internally = true;
 663         }
 664         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 665                                            y + insetAscent);
 666         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 667         UpdateLocal(bv, CURSOR, false);
 668         bv->owner()->setLayout(cpar(bv)->GetLayout());
 669         old_par = cpar(bv);
 670         // Insert primary selection with middle mouse
 671         // if there is a local selection in the current buffer,
 672         // insert this
 673         if (button == 2) {
 674             if (paste_internally)
 675                 LocalDispatch(bv, LFUN_PASTE, "");
 676             else
 677                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 678         }
 679     }
 680     ShowInsetCursor(bv);
 681 }
 682
 683
 684 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 685 {
 686     UpdatableInset * inset = 0;
 687
 688     if (the_locking_inset) {
 689             the_locking_inset->InsetButtonRelease(bv,
 690                                                   x - inset_x, y - inset_y,
 691                                                   button);
 692     } else {
 693         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 694             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 695             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 696                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 697             } else {
 698                 inset_x = cx(bv) - top_x + drawTextXOffset;
 699                 inset_y = cy(bv) + drawTextYOffset;
 700                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 701                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 702             }
 703             UpdateLocal(bv, CURSOR_PAR, false);
 704         }
 705     }
 706     no_selection = false;
 707 }
 708
 709
 710 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 711 {
 712     if (the_locking_inset) {
 713         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 714                                              y - inset_y,state);
 715         return;
 716     }
 717     if (!no_selection) {
 718         HideInsetCursor(bv);
 719         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 720                                            y+insetAscent);
 721         TEXT(bv)->SetSelection();
 722         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 723             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 724             UpdateLocal(bv, SELECTION, false);
 725         ShowInsetCursor(bv);
 726     }
 727     no_selection = false;
 728 }
 729
 730
 731 void InsetText::InsetKeyPress(XKeyEvent * xke)
 732 {
 733     if (the_locking_inset) {
 734         the_locking_inset->InsetKeyPress(xke);
 735         return;
 736     }
 737 }
 738
 739
 740 UpdatableInset::RESULT
 741 InsetText::LocalDispatch(BufferView * bv,
 742                          int action, string const & arg)
 743 {
 744     no_selection = false;
 745     UpdatableInset::RESULT
 746         result= UpdatableInset::LocalDispatch(bv, action, arg);
 747     if (result != UNDISPATCHED) {
 748         return DISPATCHED;
 749     }
 750
 751     result=DISPATCHED;
 752     if ((action < 0) && arg.empty())
 753         return FINISHED;
 754
 755     if (the_locking_inset) {
 756         result = the_locking_inset->LocalDispatch(bv, action, arg);
 757         if (result == DISPATCHED_NOUPDATE)
 758             return result;
 759         else if (result == DISPATCHED) {
 760             UpdateLocal(bv, CURSOR_PAR, false);
 761             return result;
 762         } else if (result == FINISHED) {
 763             bool dispatched = false;
 764             switch (action) {
 765             case LFUN_UNKNOWN_ACTION:
 766             case LFUN_BREAKPARAGRAPH:
 767             case LFUN_BREAKLINE:
 768                moveRightIntern(bv, false, false);
 769                break;
 770             case LFUN_RIGHT:
 771                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 772                     moveRightIntern(bv, false, false);
 773                 dispatched = true;
 774                 break;
 775             case LFUN_LEFT:
 776                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 777                     moveRightIntern(bv, false, false);
 778                 dispatched = true;
 779                 break;
 780             }
 781             the_locking_inset = 0;
 782             if (dispatched)
 783                 return DISPATCHED;
 784         }
 785     }
 786     HideInsetCursor(bv);
 787     switch (action) {
 788         // Normal chars
 789     case LFUN_UNKNOWN_ACTION:
 790         if (bv->buffer()->isReadonly()) {
 791 //          setErrorMessage(N_("Document is read only"));
 792             break;
 793         }
 794         if (!arg.empty()) {
 795             /* Automatically delete the currently selected
 796              * text and replace it with what is being
 797              * typed in now. Depends on lyxrc settings
 798              * "auto_region_delete", which defaults to
 799              * true (on). */
 800
 801             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 802 #ifndef NEW_INSETS
 803                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 804                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 805 #else
 806                               bv->text->cursor.par()->previous,
 807                               bv->text->cursor.par()->next
 808 #endif
 809                     );
 810             bv->setState();
 811             if (lyxrc.auto_region_delete) {
 812                 if (TEXT(bv)->selection){
 813                     TEXT(bv)->CutSelection(bv, false);
 814                 }
 815             }
 816             TEXT(bv)->ClearSelection();
 817             for (string::size_type i = 0; i < arg.length(); ++i) {
 818                 if (greek_kb_flag) {
 819                     if (!math_insert_greek(bv, arg[i])) {
 820 #if 0
 821                         bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 822 #else
 823                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 824 #endif
 825                     } else if (!the_locking_inset) {
 826                         (void)moveRight(bv, false);
 827                     }
 828                 } else {
 829 #if 0
 830                     bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 831 #else
 832                     bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 833 #endif
 834                 }
 835             }
 836         }
 837         UpdateLocal(bv, CURSOR_PAR, true);
 838         result=DISPATCHED_NOUPDATE;
 839         break;
 840         // --- Cursor Movements ---------------------------------------------
 841     case LFUN_RIGHTSEL:
 842         bv->text->FinishUndo();
 843         moveRight(bv, false, true);
 844         TEXT(bv)->SetSelection();
 845         UpdateLocal(bv, SELECTION, false);
 846         break;
 847     case LFUN_RIGHT:
 848         result = moveRight(bv);
 849         bv->text->FinishUndo();
 850         TEXT(bv)->ClearSelection();
 851         UpdateLocal(bv, CURSOR, false);
 852         break;
 853     case LFUN_LEFTSEL:
 854         bv->text->FinishUndo();
 855         moveLeft(bv, false, true);
 856         TEXT(bv)->SetSelection();
 857         UpdateLocal(bv, SELECTION, false);
 858         break;
 859     case LFUN_LEFT:
 860         bv->text->FinishUndo();
 861         result = moveLeft(bv);
 862         TEXT(bv)->ClearSelection();
 863         UpdateLocal(bv, CURSOR, false);
 864         break;
 865     case LFUN_DOWNSEL:
 866         bv->text->FinishUndo();
 867         moveDown(bv);
 868         TEXT(bv)->SetSelection();
 869         UpdateLocal(bv, SELECTION, false);
 870         break;
 871     case LFUN_DOWN:
 872         bv->text->FinishUndo();
 873         result = moveDown(bv);
 874         TEXT(bv)->ClearSelection();
 875         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 876         UpdateLocal(bv, CURSOR, false);
 877         break;
 878     case LFUN_UPSEL:
 879         bv->text->FinishUndo();
 880         moveUp(bv);
 881         TEXT(bv)->SetSelection();
 882         UpdateLocal(bv, SELECTION, false);
 883         break;
 884     case LFUN_UP:
 885         bv->text->FinishUndo();
 886         result = moveUp(bv);
 887         TEXT(bv)->ClearSelection();
 888         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 889         UpdateLocal(bv, CURSOR, false);
 890         break;
 891     case LFUN_HOME:
 892         bv->text->FinishUndo();
 893         TEXT(bv)->CursorHome(bv);
 894         TEXT(bv)->ClearSelection();
 895         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 896         UpdateLocal(bv, CURSOR, false);
 897         break;
 898     case LFUN_END:
 899         TEXT(bv)->CursorEnd(bv);
 900         TEXT(bv)->ClearSelection();
 901         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 902         UpdateLocal(bv, CURSOR, false);
 903         break;
 904     case LFUN_BACKSPACE:
 905         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 906 #ifndef NEW_INSETS
 907           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 908           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 909 #else
 910           bv->text->cursor.par()->previous,
 911           bv->text->cursor.par()->next
 912 #endif
 913                 );
 914         if (TEXT(bv)->selection)
 915             TEXT(bv)->CutSelection(bv);
 916         else
 917             TEXT(bv)->Backspace(bv);
 918         UpdateLocal(bv, CURSOR_PAR, true);
 919         break;
 920     case LFUN_DELETE:
 921         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 922 #ifndef NEW_INSETS
 923           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 924           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 925 #else
 926           bv->text->cursor.par()->previous,
 927           bv->text->cursor.par()->next
 928 #endif
 929                 );
 930         if (TEXT(bv)->selection)
 931             TEXT(bv)->CutSelection(bv);
 932         else
 933             TEXT(bv)->Delete(bv);
 934         UpdateLocal(bv, CURSOR_PAR, true);
 935         break;
 936     case LFUN_CUT:
 937         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 938 #ifndef NEW_INSETS
 939           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 940           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 941 #else
 942           bv->text->cursor.par()->previous,
 943           bv->text->cursor.par()->next
 944 #endif
 945                 );
 946         TEXT(bv)->CutSelection(bv);
 947         UpdateLocal(bv, CURSOR_PAR, true);
 948         break;
 949     case LFUN_COPY:
 950         bv->text->FinishUndo();
 951         TEXT(bv)->CopySelection(bv);
 952         UpdateLocal(bv, CURSOR_PAR, false);
 953         break;
 954     case LFUN_PASTESELECTION:
 955     {
 956         string clip(bv->workarea()->getClipboard());
 957
 958         if (clip.empty())
 959             break;
 960         if (arg == "paragraph") {
 961                 TEXT(bv)->InsertStringB(bv, clip);
 962         } else {
 963                 TEXT(bv)->InsertStringA(bv, clip);
 964         }
 965         UpdateLocal(bv, CURSOR_PAR, true);
 966         break;
 967     }
 968     case LFUN_PASTE:
 969         if (!autoBreakRows) {
 970             CutAndPaste cap;
 971
 972             if (cap.nrOfParagraphs() > 1) {
 973                 WriteAlert(_("Impossible operation"),
 974                            _("Cannot include more than one paragraph!"),
 975                            _("Sorry."));
 976                 break;
 977             }
 978         }
 979         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 980 #ifndef NEW_INSETS
 981           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 982           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 983 #else
 984           bv->text->cursor.par()->previous,
 985           bv->text->cursor.par()->next
 986 #endif
 987                 );
 988         TEXT(bv)->PasteSelection(bv);
 989         UpdateLocal(bv, CURSOR_PAR, true);
 990         break;
 991     case LFUN_BREAKPARAGRAPH:
 992         if (!autoBreakRows)
 993             return DISPATCHED;
 994         TEXT(bv)->BreakParagraph(bv, 0);
 995         UpdateLocal(bv, FULL, true);
 996         break;
 997     case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 998         if (!autoBreakRows)
 999             return DISPATCHED;
1000         TEXT(bv)->BreakParagraph(bv, 1);
1001         UpdateLocal(bv, FULL, true);
1002         break;
1003     case LFUN_BREAKLINE:
1004         if (!autoBreakRows)
1005             return DISPATCHED;
1006         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1007 #ifndef NEW_INSETS
1008             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1009             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1010 #else
1011             bv->text->cursor.par()->previous,
1012             bv->text->cursor.par()->next
1013 #endif
1014                 );
1015         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1016         UpdateLocal(bv, CURSOR_PAR, true);
1017         break;
1018     case LFUN_LAYOUT:
1019         // do not set layouts on non breakable textinsets
1020         if (autoBreakRows) {
1021             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1022
1023             // Derive layout number from given argument (string)
1024             // and current buffer's textclass (number). */
1025             LyXTextClassList::ClassList::size_type tclass =
1026                 bv->buffer()->params.textclass;
1027             std::pair <bool, LyXTextClass::size_type> layout =
1028                 textclasslist.NumberOfLayout(tclass, arg);
1029
1030             // If the entry is obsolete, use the new one instead.
1031             if (layout.first) {
1032                 string obs = textclasslist.Style(tclass,layout.second).
1033                     obsoleted_by();
1034                 if (!obs.empty())
1035                     layout = textclasslist.NumberOfLayout(tclass, obs);
1036             }
1037
1038             // see if we found the layout number:
1039             if (!layout.first) {
1040                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1041
1042                 bv->owner()->getMiniBuffer()->Set(msg);
1043                 break;
1044             }
1045
1046             if (cur_layout != layout.second) {
1047                 cur_layout = layout.second;
1048                 TEXT(bv)->SetLayout(bv, layout.second);
1049                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1050                 UpdateLocal(bv, CURSOR_PAR, true);
1051             }
1052         } else {
1053             // reset the layout box
1054             bv->owner()->setLayout(cpar(bv)->GetLayout());
1055         }
1056         break;
1057     case LFUN_PARAGRAPH_SPACING:
1058             // This one is absolutely not working. When fiddling with this
1059             // it also seems to me that the paragraphs inside the insettext
1060             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1061     {
1062             LyXParagraph * par = TEXT(bv)->cursor.par();
1063             Spacing::Space cur_spacing = par->spacing.getSpace();
1064             float cur_value = 1.0;
1065             if (cur_spacing == Spacing::Other) {
1066                     cur_value = par->spacing.getValue();
1067             }
1068
1069             std::istringstream istr(arg.c_str());
1070             string tmp;
1071             istr >> tmp;
1072             Spacing::Space new_spacing = cur_spacing;
1073             float new_value = cur_value;
1074             if (tmp.empty()) {
1075                     lyxerr << "Missing argument to `paragraph-spacing'"
1076                            << endl;
1077             } else if (tmp == "single") {
1078                     new_spacing = Spacing::Single;
1079             } else if (tmp == "onehalf") {
1080                     new_spacing = Spacing::Onehalf;
1081             } else if (tmp == "double") {
1082                     new_spacing = Spacing::Double;
1083             } else if (tmp == "other") {
1084                     new_spacing = Spacing::Other;
1085                     float tmpval = 0.0;
1086                     istr >> tmpval;
1087                     lyxerr << "new_value = " << tmpval << endl;
1088                     if (tmpval != 0.0)
1089                             new_value = tmpval;
1090             } else if (tmp == "default") {
1091                     new_spacing = Spacing::Default;
1092             } else {
1093                     lyxerr << _("Unknown spacing argument: ")
1094                            << arg << endl;
1095             }
1096             if (cur_spacing != new_spacing || cur_value != new_value) {
1097                     par->spacing.set(new_spacing, new_value);
1098                     //TEXT(bv)->RedoParagraph(owner->view());
1099                     UpdateLocal(bv, CURSOR_PAR, true);
1100                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1101             }
1102     }
1103     break;
1104
1105     default:
1106         result = UNDISPATCHED;
1107         break;
1108     }
1109
1110     /// If the action has deleted all text in the inset, we need to change the
1111     // language to the language to the surronding text.
1112     if (par->Last() == 0 && !par->next) {
1113         LyXFont font(LyXFont::ALL_IGNORE);
1114         font.setLanguage(bv->getParentLanguage(this));
1115         SetFont(bv, font, false);
1116     }
1117
1118     if (result != FINISHED) {
1119         ShowInsetCursor(bv);
1120     } else
1121         bv->unlockInset(this);
1122     return result;
1123 }
1124
1125
1126 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1127 {
1128     TexRow texrow;
1129     buf->latexParagraphs(os, par, 0, texrow);
1130     return texrow.rows();
1131 }
1132
1133
1134 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1135 {
1136     LyXParagraph * p = par;
1137     unsigned int lines = 0;
1138
1139     string tmp;
1140     while (p) {
1141         tmp = buf->asciiParagraph(p, linelen);
1142         lines += countChar(tmp, '\n');
1143         os << tmp;
1144         p = p->next;
1145     }
1146     return lines;
1147 }
1148
1149
1150 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1151 {
1152     LyXParagraph * p = par;
1153     unsigned int lines = 0;
1154     int desc=0;
1155
1156     string tmp;
1157     while (p) {
1158         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1159         p = p->next;
1160     }
1161
1162     return lines;
1163 }
1164
1165
1166 void InsetText::Validate(LaTeXFeatures & features) const
1167 {
1168     LyXParagraph * p = par;
1169     while(p) {
1170         p->validate(features);
1171         p = p->next;
1172     }
1173 }
1174
1175
1176 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1177 {
1178     if (textclasslist.Style(buf->params.textclass,
1179                             p->GetLayout()).labeltype != LABEL_MANUAL)
1180         return 0;
1181     else
1182         return p->BeginningOfMainBody();
1183 }
1184
1185
1186 void InsetText::GetCursorPos(BufferView * bv,
1187                              int & x, int & y) const
1188 {
1189     x = cx(bv);
1190     y = cy(bv);
1191 }
1192
1193
1194 unsigned int InsetText::InsetInInsetY()
1195 {
1196     if (!the_locking_inset)
1197         return 0;
1198
1199     return (inset_y + the_locking_inset->InsetInInsetY());
1200 }
1201
1202
1203 void InsetText::ToggleInsetCursor(BufferView * bv)
1204 {
1205     if (the_locking_inset) {
1206         the_locking_inset->ToggleInsetCursor(bv);
1207         return;
1208     }
1209
1210     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1211
1212     int asc = lyxfont::maxAscent(font);
1213     int desc = lyxfont::maxDescent(font);
1214
1215     if (cursor_visible)
1216         bv->hideLockedInsetCursor();
1217     else
1218         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1219     cursor_visible = !cursor_visible;
1220 }
1221
1222
1223 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1224 {
1225     if (the_locking_inset) {
1226         the_locking_inset->ShowInsetCursor(bv);
1227         return;
1228     }
1229     if (!cursor_visible) {
1230         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1231
1232         int asc = lyxfont::maxAscent(font);
1233         int desc = lyxfont::maxDescent(font);
1234
1235         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1236         if (show)
1237             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1238         cursor_visible = true;
1239     }
1240 }
1241
1242
1243 void InsetText::HideInsetCursor(BufferView * bv)
1244 {
1245     if (cursor_visible) {
1246         bv->hideLockedInsetCursor();
1247         cursor_visible = false;
1248     }
1249     if (the_locking_inset)
1250         the_locking_inset->HideInsetCursor(bv);
1251 }
1252
1253
1254 UpdatableInset::RESULT
1255 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1256 {
1257     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1258         return moveLeftIntern(bv, false, activate_inset, selecting);
1259     else
1260         return moveRightIntern(bv, false, activate_inset, selecting);
1261 }
1262
1263 UpdatableInset::RESULT
1264 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1265 {
1266     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1267         return moveRightIntern(bv, true, activate_inset, selecting);
1268     else
1269         return moveLeftIntern(bv, true, activate_inset, selecting);
1270 }
1271
1272
1273 UpdatableInset::RESULT
1274 InsetText::moveRightIntern(BufferView * bv, bool behind,
1275                            bool activate_inset, bool selecting)
1276 {
1277     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1278         return FINISHED;
1279     if (activate_inset && checkAndActivateInset(bv, behind))
1280         return DISPATCHED;
1281     TEXT(bv)->CursorRight(bv);
1282     if (!selecting)
1283             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1284     return DISPATCHED_NOUPDATE;
1285 }
1286
1287
1288 UpdatableInset::RESULT
1289 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1290                           bool activate_inset, bool selecting)
1291 {
1292     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1293         return FINISHED;
1294     TEXT(bv)->CursorLeft(bv);
1295     if (!selecting)
1296             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1297     if (activate_inset && checkAndActivateInset(bv, behind))
1298         return DISPATCHED;
1299     return DISPATCHED_NOUPDATE;
1300 }
1301
1302
1303 UpdatableInset::RESULT
1304 InsetText::moveUp(BufferView * bv)
1305 {
1306     if (!crow(bv)->previous())
1307         return FINISHED;
1308     TEXT(bv)->CursorUp(bv);
1309     return DISPATCHED_NOUPDATE;
1310 }
1311
1312
1313 UpdatableInset::RESULT
1314 InsetText::moveDown(BufferView * bv)
1315 {
1316     if (!crow(bv)->next())
1317         return FINISHED;
1318     TEXT(bv)->CursorDown(bv);
1319     return DISPATCHED_NOUPDATE;
1320 }
1321
1322
1323 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1324 {
1325     if (the_locking_inset) {
1326         if (the_locking_inset->InsertInsetAllowed(inset))
1327             return the_locking_inset->InsertInset(bv, inset);
1328         return false;
1329     }
1330     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1331 #ifndef NEW_INSETS
1332               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1333               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1334 #else
1335               bv->text->cursor.par()->previous,
1336               bv->text->cursor.par()->next
1337 #endif
1338             );
1339     inset->setOwner(this);
1340     HideInsetCursor(bv);
1341     TEXT(bv)->InsertInset(bv, inset);
1342 #if 0
1343     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1344         (cpar(bv)->GetInset(cpos(bv)) != inset))
1345         TEXT(bv)->CursorLeft(bv);
1346 #endif
1347     TEXT(bv)->selection = 0;
1348     bv->fitCursor(TEXT(bv));
1349     UpdateLocal(bv, CURSOR_PAR, true);
1350     ShowInsetCursor(bv);
1351     return true;
1352 }
1353
1354
1355 UpdatableInset * InsetText::GetLockingInset()
1356 {
1357     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1358 }
1359
1360
1361 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1362 {
1363     if (c == LyxCode())
1364         return this;
1365     if (the_locking_inset)
1366         return the_locking_inset->GetFirstLockingInsetOfType(c);
1367     return 0;
1368 }
1369
1370
1371 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1372 {
1373     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1374 #ifndef NEW_INSETS
1375               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1376               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1377 #else
1378               bv->text->cursor.par()->previous,
1379               bv->text->cursor.par()->next
1380 #endif
1381             );
1382     TEXT(bv)->SetFont(bv, font, toggleall);
1383     bv->fitCursor(TEXT(bv));
1384     UpdateLocal(bv, CURSOR_PAR, true);
1385 }
1386
1387
1388 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1389 {
1390     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1391         unsigned int x;
1392         unsigned int y;
1393         Inset * inset =
1394             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1395         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1396             return false;
1397         LyXFont const font =
1398                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1399         if (behind) {
1400             x = inset->width(bv, font);
1401             y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1402         } else {
1403             x = 0;
1404             y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1405         }
1406         //inset_x = cx(bv) - top_x + drawTextXOffset;
1407         //inset_y = cy(bv) + drawTextYOffset;
1408         inset->Edit(bv, x, y, 0);
1409         if (!the_locking_inset)
1410             return false;
1411         UpdateLocal(bv, CURSOR_PAR, false);
1412         return true;
1413     }
1414     return false;
1415 }
1416
1417
1418 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1419                                       int button)
1420 {
1421     x = x - drawTextXOffset;
1422     y = y + insetAscent;
1423     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1424
1425     if (inset) {
1426         if (x < 0)
1427             x = insetWidth;
1428         if (y < 0)
1429             y = insetDescent;
1430         inset_x = cx(bv) - top_x + drawTextXOffset;
1431         inset_y = cy(bv) + drawTextYOffset;
1432         inset->Edit(bv, x - inset_x, y - inset_y, button);
1433         if (!the_locking_inset)
1434             return false;
1435         UpdateLocal(bv, CURSOR_PAR, false);
1436         return true;
1437     }
1438     return false;
1439 }
1440
1441
1442 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1443 {
1444     int w = UpdatableInset::getMaxWidth(pain, inset);
1445     if (w < 0) {
1446         return w;
1447     }
1448     if (owner()) {
1449         w = w - top_x + owner()->x();
1450         return w;
1451     }
1452     w -= (2 * TEXT_TO_INSET_OFFSET);
1453     return w - top_x;
1454 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1455 }
1456
1457
1458 void InsetText::SetParagraphData(LyXParagraph *p)
1459 {
1460     // delete all instances of LyXText before deleting the paragraps used
1461     // by it.
1462     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1463         delete (*cit).second;
1464         (*cit).second = 0;
1465     }
1466
1467     LyXParagraph * np;
1468     if (par) {
1469         np = par->next;
1470         delete par;
1471         while(np) {
1472             par = np;
1473             np = np->next;
1474             delete par;
1475         }
1476     }
1477     par = p->Clone();
1478     par->SetInsetOwner(this);
1479     np = par;
1480     while(p->next) {
1481         p = p->next;
1482         np->next = p->Clone();
1483         np->next->previous = np;
1484         np = np->next;
1485         np->SetInsetOwner(this);
1486     }
1487     need_update = INIT;
1488 }
1489
1490
1491 void InsetText::SetText(string const & data)
1492 {
1493     clear();
1494     LyXFont font(LyXFont::ALL_SANE);
1495     for(unsigned int i=0; i < data.length(); ++i)
1496         par->InsertChar(i, data[i], font);
1497 }
1498
1499
1500 void InsetText::SetAutoBreakRows(bool flag)
1501 {
1502     if (flag != autoBreakRows) {
1503         autoBreakRows = flag;
1504         need_update = FULL;
1505         if (!flag)
1506             removeNewlines();
1507     }
1508 }
1509
1510
1511 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1512 {
1513     if (how != drawFrame) {
1514         drawFrame = how;
1515         if (bv)
1516             UpdateLocal(bv, DRAW_FRAME, false);
1517     }
1518 }
1519
1520
1521 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1522 {
1523     if (frame_color != col) {
1524         frame_color = col;
1525         if (bv)
1526             UpdateLocal(bv, DRAW_FRAME, false);
1527     }
1528 }
1529
1530 #if 0
1531 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1532 {
1533     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1534 }
1535 #endif
1536
1537
1538 int InsetText::cx(BufferView * bv) const
1539 {
1540         LyXText * text = TEXT(bv);
1541         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1542         if (the_locking_inset) {
1543                 LyXFont font = text->GetFont(bv->buffer(),
1544                                      text->cursor.par(), text->cursor.pos());
1545                 if (font.isVisibleRightToLeft())
1546                         x -= the_locking_inset->width(bv, font);
1547         }
1548         return x;
1549 }
1550
1551
1552 int InsetText::cy(BufferView * bv) const
1553 {
1554     LyXFont font;
1555     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1556 }
1557
1558
1559 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1560 {
1561     return TEXT(bv)->cursor.pos();
1562 }
1563
1564
1565 LyXParagraph * InsetText::cpar(BufferView * bv) const
1566 {
1567     return TEXT(bv)->cursor.par();
1568 }
1569
1570 bool InsetText::cboundary(BufferView * bv) const
1571 {
1572     return TEXT(bv)->cursor.boundary();
1573 }
1574
1575
1576 Row * InsetText::crow(BufferView * bv) const
1577 {
1578     return TEXT(bv)->cursor.row();
1579 }
1580
1581
1582 LyXText * InsetText::getLyXText(BufferView const * lbv) const
1583 {
1584     // Super UGLY! (Lgb)
1585     BufferView * bv = const_cast<BufferView *>(lbv);
1586
1587     if ((cache.find(bv) != cache.end()) && cache[bv])
1588         return cache[bv];
1589     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1590     lt->init(bv);
1591     cache[bv] = lt;
1592     if (the_locking_inset) {
1593        lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1594     }
1595     return lt;
1596 }
1597
1598
1599 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1600 {
1601     if ((cache.find(bv) == cache.end()) || !cache[bv])
1602         return;
1603     delete cache[bv];
1604     cache.erase(bv);
1605     if (recursive) {
1606         /// then remove all LyXText in text-insets
1607         LyXParagraph * p = par;
1608         for (;p;p = p->next) {
1609             p->deleteInsetsLyXText(bv);
1610         }
1611     }
1612 }
1613
1614
1615 void InsetText::resizeLyXText(BufferView * bv) const
1616 {
1617     if (!par->next && !par->size()) // resize not neccessary!
1618         return;
1619     if ((cache.find(bv) == cache.end()) || !cache[bv])
1620         return;
1621
1622     LyXParagraph * lpar = 0;
1623     LyXParagraph * selstartpar = 0;
1624     LyXParagraph * selendpar = 0;
1625     LyXParagraph::size_type pos = 0;
1626     LyXParagraph::size_type selstartpos = 0;
1627     LyXParagraph::size_type selendpos = 0;
1628     bool boundary = false;
1629     bool selstartboundary = false;
1630     bool selendboundary = false;
1631     int selection = 0;
1632     int mark_set = 0;
1633
1634 //    ProhibitInput(bv);
1635
1636     if (locked) {
1637         lpar = TEXT(bv)->cursor.par();
1638         pos = TEXT(bv)->cursor.pos();
1639         boundary = TEXT(bv)->cursor.boundary();
1640         selstartpar = TEXT(bv)->sel_start_cursor.par();
1641         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1642         selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1643         selendpar = TEXT(bv)->sel_end_cursor.par();
1644         selendpos = TEXT(bv)->sel_end_cursor.pos();
1645         selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1646         selection = TEXT(bv)->selection;
1647         mark_set = TEXT(bv)->mark_set;
1648     }
1649     deleteLyXText(bv, (the_locking_inset == 0));
1650
1651     if (lpar) {
1652         TEXT(bv)->selection = true;
1653         /* at this point just to avoid the Delete-Empty-Paragraph
1654          * Mechanism when setting the cursor */
1655         TEXT(bv)->mark_set = mark_set;
1656         if (selection) {
1657             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,true,
1658                                 selstartboundary);
1659             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1660             TEXT(bv)->SetCursor(bv, selendpar, selendpos, true, selendboundary);
1661             TEXT(bv)->SetSelection();
1662             TEXT(bv)->SetCursor(bv, lpar, pos);
1663         } else {
1664             TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1665             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1666             TEXT(bv)->selection = false;
1667         }
1668     }
1669     if (bv->screen())
1670             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1671     // this will scroll the screen such that the cursor becomes visible
1672     bv->updateScrollbar();
1673 //    AllowInput(bv);
1674     if (the_locking_inset) {
1675         /// then resize all LyXText in text-insets
1676         inset_x = cx(bv) - top_x + drawTextXOffset;
1677         inset_y = cy(bv) + drawTextYOffset;
1678         for (LyXParagraph * p = par; p; p = p->next) {
1679             p->resizeInsetsLyXText(bv);
1680         }
1681     }
1682     need_update = FULL;
1683 }
1684
1685
1686 void InsetText::removeNewlines()
1687 {
1688     for (LyXParagraph * p = par; p; p = p->next) {
1689         for (int i = 0; i < p->Last(); ++i) {
1690             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1691                 p->Erase(i);
1692         }
1693     }
1694 }