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 "LColor.h"
  41 #include "support/textutils.h"
  42 #include "support/LAssert.h"
  43 #include "lyxrow.h"
  44 #include "lyxrc.h"
  45 #include "intl.h"
  46 #include "trans_mgr.h"
  47 #include "lyxscreen.h"
  48 #include "WorkArea.h"
  49 #include "gettext.h"
  50 #include "lyxfunc.h"
  51
  52 using std::ostream;
  53 using std::ifstream;
  54 using std::endl;
  55 using std::min;
  56 using std::max;
  57
  58 extern unsigned char getCurrentTextClass(Buffer *);
  59 extern bool math_insert_greek(BufferView *, char);
  60 extern int greek_kb_flag;
  61
  62 InsetText::InsetText()
  63 {
  64         par = new LyXParagraph;
  65         init();
  66 }
  67
  68
  69 InsetText::InsetText(InsetText const & ins)
  70         : UpdatableInset()
  71 {
  72         par = 0;
  73         init(&ins);
  74         autoBreakRows = ins.autoBreakRows;
  75 }
  76
  77
  78 InsetText & InsetText::operator=(InsetText const & it)
  79 {
  80         init(&it);
  81         autoBreakRows = it.autoBreakRows;
  82         return * this;
  83 }
  84
  85
  86 void InsetText::init(InsetText const * ins)
  87 {
  88         top_y = 0;
  89         last_width = 0;
  90         last_height = 0;
  91         insetAscent = 0;
  92         insetDescent = 0;
  93         insetWidth = 0;
  94         the_locking_inset = 0;
  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         last_drawn_width = -1;
 113         frame_is_visible = false;
 114 }
 115
 116
 117 InsetText::~InsetText()
 118 {
 119         // delete all instances of LyXText before deleting the paragraps used
 120         // by it.
 121         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 122                 delete (*cit).second;
 123                 (*cit).second = 0;
 124         }
 125
 126         while (par) {
 127                 LyXParagraph * tmp = par->next();
 128                 delete par;
 129                 par = tmp;
 130         }
 131 }
 132
 133
 134 void InsetText::clear()
 135 {
 136         // delete all instances of LyXText before deleting the paragraps used
 137         // by it.
 138         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 139                 delete (*cit).second;
 140                 (*cit).second = 0;
 141         }
 142
 143         while (par) {
 144                 LyXParagraph * tmp = par->next();
 145                 delete par;
 146                 par = tmp;
 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         LyXFont font(LyXFont::ALL_INHERIT);
 179
 180         // delete all instances of LyXText before deleting the paragraps used
 181         // by it.
 182         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 183                 delete (*cit).second;
 184                 (*cit).second = 0;
 185         }
 186
 187         while (par) {
 188                 LyXParagraph * tmp = par->next();
 189                 delete par;
 190                 par = tmp;
 191         }
 192
 193         par = new LyXParagraph;
 194         while (lex.IsOK()) {
 195                 lex.nextToken();
 196                 token = lex.GetString();
 197                 if (token.empty())
 198                         continue;
 199                 if (token == "\\end_inset")
 200                         break;
 201                 if (const_cast<Buffer*>(buf)->
 202                         parseSingleLyXformat2Token(lex, par, return_par,
 203                                                    token, pos, depth, font)) {
 204                         // the_end read this should NEVER happen
 205                         lex.printError("\\the_end read in inset! Error in document!");
 206                         return;
 207                 }
 208         }
 209         if (!return_par)
 210                 return_par = par;
 211         par = return_par;
 212         while(return_par) {
 213                 return_par->SetInsetOwner(this);
 214                 return_par = return_par->next();
 215         }
 216
 217         if (token != "\\end_inset") {
 218                 lex.printError("Missing \\end_inset at this point. "
 219                                            "Read: `$$Token'");
 220         }
 221         need_update = INIT;
 222 }
 223
 224
 225 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 226 {
 227         int y_temp = 0;
 228         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 229         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 230         return insetAscent;
 231 }
 232
 233
 234 int InsetText::descent(BufferView * bv, LyXFont const &) const
 235 {
 236         int y_temp = 0;
 237         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 238         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 239         TEXT_TO_INSET_OFFSET;
 240         return insetDescent;
 241 }
 242
 243
 244 int InsetText::width(BufferView * bv, LyXFont const &) const
 245 {
 246         insetWidth = max(textWidth(bv),
 247                          (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 248         return insetWidth;
 249 }
 250
 251
 252 int InsetText::textWidth(BufferView * bv) const
 253 {
 254         int const w = getMaxWidth(bv, this);
 255         return w;
 256 }
 257
 258
 259 void InsetText::draw(BufferView * bv, LyXFont const & f,
 260                      int baseline, float & x, bool cleared) const
 261 {
 262         if (nodraw())
 263                 return;
 264
 265         Painter & pain = bv->painter();
 266
 267         // no draw is necessary !!!
 268         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 269                 top_x = int(x);
 270                 top_baseline = baseline;
 271                 x += width(bv, f);
 272                 if (!cleared && (need_update & CLEAR_FRAME))
 273                         clearFrame(pain, cleared);
 274                 need_update = NONE;
 275                 return;
 276         }
 277
 278         xpos = x;
 279 #if 0
 280         UpdatableInset::draw(bv, f, baseline, x, cleared);
 281 #else
 282         if (!owner())
 283                 x += static_cast<float>(scroll());
 284 #endif
 285         // update insetWidth and insetHeight with dummy calls
 286         (void)ascent(bv, f);
 287         (void)descent(bv, f);
 288         (void)width(bv, f);
 289
 290         // if top_x differs we have a rule down and we don't have to clear anything
 291         if (!cleared && (top_x == int(x)) &&
 292                 ((need_update&(INIT|FULL)) || (top_baseline!=baseline) ||
 293                  (last_drawn_width!=insetWidth)))
 294         {
 295                 int w =  insetWidth;
 296                 int h = insetAscent + insetDescent;
 297                 int ty = baseline - insetAscent;
 298
 299                 if (ty < 0) {
 300                         h += ty;
 301                         ty = 0;
 302                 }
 303                 if ((ty + h) > pain.paperHeight())
 304                         h = pain.paperHeight();
 305                 if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 306                         w = pain.paperWidth();
 307                 pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 308                 cleared = true;
 309                 need_update = FULL;
 310         }
 311         if (!cleared && (need_update == NONE))
 312                 return;
 313
 314         if (top_x != int(x)) {
 315                 need_update |= INIT;
 316                 top_x = int(x);
 317                 bv->text->status = LyXText::CHANGED_IN_DRAW;
 318                 return;
 319         }
 320
 321 //      lyxerr << "InsetText::draw[" << this << "](" << need_update << ":" << int(x) << ":" << top_x << ")\n";
 322
 323         if (cleared || (last_drawn_width != insetWidth)) {
 324                 need_update |= FULL;
 325                 last_drawn_width = insetWidth;
 326         }
 327
 328         top_baseline = baseline;
 329         top_y = baseline - ascent(bv, f);
 330         last_width = width(bv, f);
 331         last_height = ascent(bv, f) + descent(bv, f);
 332
 333         if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 334                 inset_x = cx(bv) - top_x + drawTextXOffset;
 335                 inset_y = cy(bv) + drawTextYOffset;
 336         }
 337         if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 338                 drawFrame(pain, cleared);
 339                 x += width(bv, f);
 340                 need_update = NONE;
 341                 return;
 342         }
 343         x += TEXT_TO_INSET_OFFSET;
 344
 345 #ifdef WITH_WARNINGS
 346 #warning Jürgen, why is this a block of its own? (Lgb)
 347 #warning because you told me to define variables only in local context (Jug)!
 348 #warning then make it a function/method of its own. (Lgb)
 349 #endif
 350         {
 351         int y = 0;
 352         Row * row = TEXT(bv)->GetRowNearY(y);
 353         int y_offset = baseline - row->ascent_of_text();
 354         int ph = pain.paperHeight();
 355         int first = 0;
 356         y = y_offset;
 357         while ((row != 0) && ((y+row->height()) <= 0)) {
 358                 y += row->height();
 359                 first += row->height();
 360                 row = row->next();
 361         }
 362         if (y_offset < 0)
 363                 y_offset = y;
 364         TEXT(bv)->first = first;
 365         if (cleared) {
 366                 int yf = y_offset;
 367                 y = 0;
 368                 while ((row != 0) && (yf < ph)) {
 369                         TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 370                                                 y+first, cleared);
 371                 y += row->height();
 372                 yf += row->height();
 373                 row = row->next();
 374                 }
 375         } else if (!locked) {
 376                 if (need_update & CURSOR) {
 377                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 378                         TEXT(bv)->ClearSelection(bv);
 379                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 380                 }
 381                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 382         } else {
 383                 locked = false;
 384                 if (need_update & SELECTION)
 385                         bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 386                 else if (need_update & CURSOR) {
 387                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 388                         TEXT(bv)->ClearSelection(bv);
 389                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 390                 }
 391                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 392                 locked = true;
 393         }
 394         }
 395         TEXT(bv)->refresh_y = 0;
 396         TEXT(bv)->status = LyXText::UNCHANGED;
 397         if ((need_update != CURSOR_PAR) &&
 398                 ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked)))
 399                 drawFrame(pain, cleared);
 400         else if (need_update & CLEAR_FRAME)
 401                 clearFrame(pain, cleared);
 402         x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 403         if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 404                 need_update |= INIT;
 405         } else if (need_update != INIT)
 406                 need_update = NONE;
 407 }
 408
 409
 410 void InsetText::drawFrame(Painter & pain, bool cleared) const
 411 {
 412         if (!frame_is_visible || cleared) {
 413                 pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 414                                insetWidth - 1, insetAscent + insetDescent - 1,
 415                                frame_color);
 416                 frame_is_visible = true;
 417         }
 418 }
 419
 420
 421 void InsetText::clearFrame(Painter & pain, bool cleared) const
 422 {
 423         if (frame_is_visible) {
 424                 if (!cleared) {
 425                         pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 426                                        insetWidth - 1, insetAscent + insetDescent - 1,
 427                                        LColor::background);
 428                 }
 429                 frame_is_visible = false;
 430         }
 431 }
 432
 433
 434 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 435 {
 436         if (reinit) {
 437                 need_update |= INIT;
 438                 resizeLyXText(bv);
 439                 if (owner())
 440                         owner()->update(bv, font, true);
 441                 return;
 442         }
 443         if (the_locking_inset) {
 444                 inset_x = cx(bv) - top_x + drawTextXOffset;
 445                 inset_y = cy(bv) + drawTextYOffset;
 446                 the_locking_inset->update(bv, font, reinit);
 447         }
 448 #if 0
 449         if (need_update == INIT) {
 450                 resizeLyXText(bv);
 451                 need_update |= FULL;
 452         }
 453 #endif
 454         int oldw = insetWidth;
 455         insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 456         if (oldw != insetWidth) {
 457                 resizeLyXText(bv);
 458                 need_update |= FULL;
 459 //              update(bv, font, reinit);
 460                 return;
 461         }
 462         if ((need_update&CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 463                 the_locking_inset)
 464         {
 465                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 466         }
 467
 468         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 469                 need_update |= FULL;
 470 #if 0
 471         int y_temp = 0;
 472         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 473         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 474         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 475                 TEXT_TO_INSET_OFFSET;
 476 #endif
 477 }
 478
 479
 480 void InsetText::SetUpdateStatus(BufferView * bv, int what) const
 481 {
 482         need_update |= what;
 483         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 484                 need_update |= FULL;
 485         else if (TEXT(bv)->status == LyXText::NEED_VERY_LITTLE_REFRESH)
 486                 need_update |= CURSOR_PAR;
 487
 488         // this to not draw a selection when we redraw all of it!
 489         if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 490                 TEXT(bv)->ClearSelection(bv);
 491 }
 492
 493
 494 void InsetText::UpdateLocal(BufferView * bv, int what, bool mark_dirty)
 495 {
 496         TEXT(bv)->FullRebreak(bv);
 497         SetUpdateStatus(bv, what);
 498         if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 499                 TEXT(bv)->selection)
 500                 bv->updateInset(this, mark_dirty);
 501         bv->owner()->showState();
 502         if (old_par != cpar(bv)) {
 503                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 504                 old_par = cpar(bv);
 505         }
 506 }
 507
 508
 509 string const InsetText::EditMessage() const
 510 {
 511         return _("Opened Text Inset");
 512 }
 513
 514
 515 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 516 {
 517 //    par->SetInsetOwner(this);
 518         UpdatableInset::Edit(bv, x, y, button);
 519
 520         if (!bv->lockInset(this)) {
 521                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 522                 return;
 523         }
 524         locked = true;
 525         the_locking_inset = 0;
 526         inset_pos = inset_x = inset_y = 0;
 527         inset_boundary = false;
 528         inset_par = 0;
 529         old_par = 0;
 530         int tmp_y = (y < 0)?0:y;
 531         if (!checkAndActivateInset(bv, x, tmp_y, button))
 532                 TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 533                                                    y + insetAscent);
 534         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 535         bv->text->FinishUndo();
 536         ShowInsetCursor(bv);
 537         UpdateLocal(bv, CURSOR, false);
 538
 539         // If the inset is empty set the language of the current font to the
 540         // language to the surronding text.
 541         if (par->size() == 0 && !par->next()) {
 542                 LyXFont font(LyXFont::ALL_IGNORE);
 543                 font.setLanguage(bv->getParentLanguage(this));
 544                 SetFont(bv, font, false);
 545         }
 546 }
 547
 548
 549 void InsetText::InsetUnlock(BufferView * bv)
 550 {
 551         if (the_locking_inset) {
 552                 the_locking_inset->InsetUnlock(bv);
 553                 the_locking_inset = 0;
 554         }
 555         HideInsetCursor(bv);
 556         no_selection = false;
 557         locked = false;
 558         UpdateLocal(bv, CLEAR_FRAME|CURSOR, false);
 559         if (owner())
 560                 bv->owner()->setLayout(owner()->getLyXText(bv)
 561                                        ->cursor.par()->GetLayout());
 562         else
 563                 bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 564 }
 565
 566
 567 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 568 {
 569         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 570                               << inset << "): ";
 571         if (!inset)
 572                 return false;
 573         if (inset == cpar(bv)->GetInset(cpos(bv))) {
 574                 lyxerr[Debug::INSETS] << "OK" << endl;
 575                 the_locking_inset = inset;
 576                 inset_x = cx(bv) - top_x + drawTextXOffset;
 577                 inset_y = cy(bv) + drawTextYOffset;
 578                 inset_pos = cpos(bv);
 579                 inset_par = cpar(bv);
 580                 inset_boundary = cboundary(bv);
 581 #if 0
 582                 TEXT(bv)->ClearSelection(bv);
 583                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 584                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 585 #else
 586                 UpdateLocal(bv, CURSOR, false);
 587 #endif
 588                 return true;
 589         } else if (the_locking_inset && (the_locking_inset == inset)) {
 590                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 591                         lyxerr[Debug::INSETS] << "OK" << endl;
 592                         inset_x = cx(bv) - top_x + drawTextXOffset;
 593                         inset_y = cy(bv) + drawTextYOffset;
 594                 } else {
 595                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 596                 }
 597         } else if (the_locking_inset) {
 598                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 599                 return the_locking_inset->LockInsetInInset(bv, inset);
 600         }
 601         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 602         return false;
 603 }
 604
 605
 606 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 607                                    bool lr)
 608 {
 609         if (!the_locking_inset)
 610                 return false;
 611         if (the_locking_inset == inset) {
 612                 the_locking_inset->InsetUnlock(bv);
 613                 TEXT(bv)->UpdateInset(bv, inset);
 614                 the_locking_inset = 0;
 615                 if (lr)
 616                         moveRight(bv, false);
 617                 old_par = 0; // force layout setting
 618                 if (scroll())
 619                         scroll(bv, 0.0F);
 620                 else
 621                         UpdateLocal(bv, CURSOR, false);
 622                 return true;
 623         }
 624         return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 625 }
 626
 627
 628 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 629 {
 630         if (!the_locking_inset)
 631                 return false;
 632         if (the_locking_inset != inset) {
 633                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 634                 SetUpdateStatus(bv, CURSOR_PAR);
 635                 return the_locking_inset->UpdateInsetInInset(bv, inset);
 636         }
 637 //    UpdateLocal(bv, FULL, false);
 638         if (TEXT(bv)->UpdateInset(bv, inset))
 639                 UpdateLocal(bv, CURSOR_PAR, false);
 640         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 641                 inset_x = cx(bv) - top_x + drawTextXOffset;
 642                 inset_y = cy(bv) + drawTextYOffset;
 643         }
 644         return true;
 645 }
 646
 647
 648 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 649 {
 650         no_selection = true;
 651
 652         int tmp_x = x - drawTextXOffset;
 653         int tmp_y = y + insetAscent - TEXT(bv)->first;
 654         Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 655
 656         HideInsetCursor(bv);
 657         if (the_locking_inset) {
 658                 if (the_locking_inset == inset) {
 659                         the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 660                         no_selection = false;
 661                         return;
 662                 } else if (inset) {
 663                         // otherwise unlock the_locking_inset and lock the new inset
 664                         the_locking_inset->InsetUnlock(bv);
 665                         inset_x = cx(bv) - top_x + drawTextXOffset;
 666                         inset_y = cy(bv) + drawTextYOffset;
 667                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 668                         inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 669                         inset->Edit(bv, x - inset_x, y - inset_y, button);
 670                         if (the_locking_inset)
 671                                 UpdateLocal(bv, CURSOR, false);
 672                         no_selection = false;
 673                         return;
 674                 }
 675                 // otherwise only unlock the_locking_inset
 676                 the_locking_inset->InsetUnlock(bv);
 677                 the_locking_inset = 0;
 678         }
 679         if (bv->theLockingInset()) {
 680                 if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 681                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 682                         inset_x = cx(bv) - top_x + drawTextXOffset;
 683                         inset_y = cy(bv) + drawTextYOffset;
 684                         inset_pos = cpos(bv);
 685                         inset_par = cpar(bv);
 686                         inset_boundary = cboundary(bv);
 687                         the_locking_inset = uinset;
 688                         uinset->InsetButtonPress(bv, x - inset_x, y - inset_y,
 689                                                  button);
 690                         uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 691                         if (the_locking_inset)
 692                                 UpdateLocal(bv, CURSOR, false);
 693                         no_selection = false;
 694                         return;
 695                 }
 696         }
 697         if (!inset) { // && (button == 2)) {
 698                 bool paste_internally = false;
 699                 if ((button == 2) && TEXT(bv)->selection) {
 700                         LocalDispatch(bv, LFUN_COPY, "");
 701                         paste_internally = true;
 702                 }
 703                 TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 704                                                    y + insetAscent);
 705                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 706                 UpdateLocal(bv, CURSOR, false);
 707                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 708                 old_par = cpar(bv);
 709                 // Insert primary selection with middle mouse
 710                 // if there is a local selection in the current buffer,
 711                 // insert this
 712                 if (button == 2) {
 713                         if (paste_internally)
 714                                 LocalDispatch(bv, LFUN_PASTE, "");
 715                         else
 716                                 LocalDispatch(bv, LFUN_PASTESELECTION,
 717                                               "paragraph");
 718                 }
 719         }
 720         ShowInsetCursor(bv);
 721         no_selection = false;
 722 }
 723
 724
 725 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 726 {
 727         UpdatableInset * inset = 0;
 728
 729         if (the_locking_inset) {
 730                 the_locking_inset->InsetButtonRelease(bv,
 731                                                       x - inset_x, y - inset_y,
 732                                                       button);
 733         } else {
 734                 if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 735                         inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 736                         if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 737                                 inset->InsetButtonRelease(bv,
 738                                                           x - inset_x,
 739                                                           y - inset_y, button);
 740                         } else {
 741                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 742                                 inset_y = cy(bv) + drawTextYOffset;
 743                                 inset->InsetButtonRelease(bv,
 744                                                           x - inset_x,
 745                                                           y - inset_y, button);
 746                                 inset->Edit(bv,
 747                                             x - inset_x, y - inset_y, button);
 748                         }
 749                         UpdateLocal(bv, CURSOR_PAR, false);
 750                 }
 751         }
 752         no_selection = false;
 753 }
 754
 755
 756 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 757 {
 758         if (no_selection)
 759                 return;
 760         if (the_locking_inset) {
 761                 the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 762                                                      y - inset_y,state);
 763                 return;
 764         }
 765         HideInsetCursor(bv);
 766         TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 767                                            y + insetAscent);
 768         TEXT(bv)->SetSelection(bv);
 769         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 770                 TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 771                 UpdateLocal(bv, SELECTION, false);
 772         ShowInsetCursor(bv);
 773 }
 774
 775
 776 void InsetText::InsetKeyPress(XKeyEvent * xke)
 777 {
 778         if (the_locking_inset) {
 779                 the_locking_inset->InsetKeyPress(xke);
 780                 return;
 781         }
 782 }
 783
 784
 785 UpdatableInset::RESULT
 786 InsetText::LocalDispatch(BufferView * bv,
 787                          kb_action action, string const & arg)
 788 {
 789         no_selection = false;
 790         UpdatableInset::RESULT
 791                 result= UpdatableInset::LocalDispatch(bv, action, arg);
 792         if (result != UNDISPATCHED) {
 793                 return DISPATCHED;
 794         }
 795
 796         result = DISPATCHED;
 797         if ((action < 0) && arg.empty())
 798                 return FINISHED;
 799
 800         if (the_locking_inset) {
 801                 result = the_locking_inset->LocalDispatch(bv, action, arg);
 802                 if (result == DISPATCHED_NOUPDATE)
 803                         return result;
 804                 else if (result == DISPATCHED) {
 805                         UpdateLocal(bv, CURSOR_PAR, false);
 806                         return result;
 807                 } else if (result == FINISHED) {
 808                         bool dispatched = false;
 809                         switch (action) {
 810                         case LFUN_UNKNOWN_ACTION:
 811                         case LFUN_BREAKPARAGRAPH:
 812                         case LFUN_BREAKLINE:
 813                                 moveRightIntern(bv, false, false);
 814                                 break;
 815                         case LFUN_RIGHT:
 816                                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 817                                         moveRightIntern(bv, false, false);
 818                                 dispatched = true;
 819                                 break;
 820                         case LFUN_LEFT:
 821                                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 822                                         moveRightIntern(bv, false, false);
 823                                 dispatched = true;
 824                                 break;
 825                         default:
 826                                 break;
 827                         }
 828                         the_locking_inset = 0;
 829                         if (dispatched)
 830                                 return DISPATCHED;
 831                 }
 832         }
 833         HideInsetCursor(bv);
 834         switch (action) {
 835         // Normal chars
 836         case LFUN_UNKNOWN_ACTION:
 837                 if (bv->buffer()->isReadonly()) {
 838 //          setErrorMessage(N_("Document is read only"));
 839                         break;
 840                 }
 841                 if (!arg.empty()) {
 842                         /* Automatically delete the currently selected
 843                          * text and replace it with what is being
 844                          * typed in now. Depends on lyxrc settings
 845                          * "auto_region_delete", which defaults to
 846                          * true (on). */
 847
 848                         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 849                                           bv->text->cursor.par()->previous(),
 850                                           bv->text->cursor.par()->next());
 851                         bv->setState();
 852                         if (lyxrc.auto_region_delete) {
 853                                 if (TEXT(bv)->selection){
 854                                         TEXT(bv)->CutSelection(bv, false);
 855                                 }
 856                         }
 857                         TEXT(bv)->ClearSelection(bv);
 858                         for (string::size_type i = 0; i < arg.length(); ++i) {
 859                                 if (greek_kb_flag) {
 860                                         if (!math_insert_greek(bv, arg[i])) {
 861                                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 862                                         } else if (!the_locking_inset) {
 863                                                 (void)moveRight(bv, false);
 864                                         }
 865                                 } else {
 866                                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 867                                 }
 868                         }
 869                 }
 870                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 871                 UpdateLocal(bv, CURSOR_PAR, true);
 872                 result=DISPATCHED_NOUPDATE;
 873                 break;
 874                 // --- Cursor Movements -----------------------------------
 875         case LFUN_RIGHTSEL:
 876                 bv->text->FinishUndo();
 877                 moveRight(bv, false, true);
 878                 TEXT(bv)->SetSelection(bv);
 879                 UpdateLocal(bv, SELECTION, false);
 880                 break;
 881         case LFUN_RIGHT:
 882                 result = moveRight(bv);
 883                 bv->text->FinishUndo();
 884                 UpdateLocal(bv, CURSOR, false);
 885                 break;
 886         case LFUN_LEFTSEL:
 887                 bv->text->FinishUndo();
 888                 moveLeft(bv, false, true);
 889                 TEXT(bv)->SetSelection(bv);
 890                 UpdateLocal(bv, SELECTION, false);
 891                 break;
 892         case LFUN_LEFT:
 893                 bv->text->FinishUndo();
 894                 result = moveLeft(bv);
 895                 UpdateLocal(bv, CURSOR, false);
 896                 break;
 897         case LFUN_DOWNSEL:
 898                 bv->text->FinishUndo();
 899                 moveDown(bv);
 900                 TEXT(bv)->SetSelection(bv);
 901                 UpdateLocal(bv, SELECTION, false);
 902                 break;
 903         case LFUN_DOWN:
 904                 bv->text->FinishUndo();
 905                 result = moveDown(bv);
 906                 UpdateLocal(bv, CURSOR, false);
 907                 break;
 908         case LFUN_UPSEL:
 909                 bv->text->FinishUndo();
 910                 moveUp(bv);
 911                 TEXT(bv)->SetSelection(bv);
 912                 UpdateLocal(bv, SELECTION, false);
 913                 break;
 914         case LFUN_UP:
 915                 bv->text->FinishUndo();
 916                 result = moveUp(bv);
 917                 UpdateLocal(bv, CURSOR, false);
 918                 break;
 919         case LFUN_HOME:
 920                 bv->text->FinishUndo();
 921                 TEXT(bv)->CursorHome(bv);
 922                 UpdateLocal(bv, CURSOR, false);
 923                 break;
 924         case LFUN_END:
 925                 TEXT(bv)->CursorEnd(bv);
 926                 UpdateLocal(bv, CURSOR, false);
 927                 break;
 928         case LFUN_BACKSPACE:
 929                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 930                                   bv->text->cursor.par()->previous(),
 931                                   bv->text->cursor.par()->next());
 932                 if (TEXT(bv)->selection)
 933                         TEXT(bv)->CutSelection(bv);
 934                 else
 935                         TEXT(bv)->Backspace(bv);
 936                 UpdateLocal(bv, CURSOR_PAR, true);
 937                 break;
 938         case LFUN_DELETE:
 939                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 940                                   bv->text->cursor.par()->previous(),
 941                                   bv->text->cursor.par()->next());
 942                 if (TEXT(bv)->selection)
 943                         TEXT(bv)->CutSelection(bv);
 944                 else
 945                         TEXT(bv)->Delete(bv);
 946                 UpdateLocal(bv, CURSOR_PAR, true);
 947                 break;
 948         case LFUN_CUT:
 949                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 950                                   bv->text->cursor.par()->previous(),
 951                                   bv->text->cursor.par()->next());
 952                 TEXT(bv)->CutSelection(bv);
 953                 UpdateLocal(bv, CURSOR_PAR, true);
 954                 break;
 955         case LFUN_COPY:
 956                 bv->text->FinishUndo();
 957                 TEXT(bv)->CopySelection(bv);
 958                 UpdateLocal(bv, CURSOR_PAR, false);
 959                 break;
 960         case LFUN_PASTESELECTION:
 961         {
 962                 string clip(bv->getClipboard());
 963
 964                 if (clip.empty())
 965                         break;
 966                 if (arg == "paragraph") {
 967                         TEXT(bv)->InsertStringB(bv, clip);
 968                 } else {
 969                         TEXT(bv)->InsertStringA(bv, clip);
 970                 }
 971                 UpdateLocal(bv, CURSOR_PAR, true);
 972                 break;
 973         }
 974         case LFUN_PASTE:
 975                 if (!autoBreakRows) {
 976                         CutAndPaste cap;
 977
 978                         if (cap.nrOfParagraphs() > 1) {
 979                                 WriteAlert(_("Impossible operation"),
 980                                                    _("Cannot include more than one paragraph!"),
 981                                                    _("Sorry."));
 982                                 break;
 983                         }
 984                 }
 985                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 986                                   bv->text->cursor.par()->previous(),
 987                                   bv->text->cursor.par()->next());
 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                                   bv->text->cursor.par()->previous(),
1008                                   bv->text->cursor.par()->next());
1009                 TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1010                 UpdateLocal(bv, CURSOR_PAR, true);
1011                 break;
1012         case LFUN_LAYOUT:
1013                 // do not set layouts on non breakable textinsets
1014                 if (autoBreakRows) {
1015                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1016
1017                         // Derive layout number from given argument (string)
1018                         // and current buffer's textclass (number). */
1019                         LyXTextClassList::ClassList::size_type tclass =
1020                                 bv->buffer()->params.textclass;
1021                         std::pair <bool, LyXTextClass::size_type> layout =
1022                                 textclasslist.NumberOfLayout(tclass, arg);
1023
1024                         // If the entry is obsolete, use the new one instead.
1025                         if (layout.first) {
1026                                 string obs = textclasslist.Style(tclass,layout.second).
1027                                         obsoleted_by();
1028                                 if (!obs.empty())
1029                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1030                         }
1031
1032                         // see if we found the layout number:
1033                         if (!layout.first) {
1034                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1035                                 bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, msg);
1036                                 break;
1037                         }
1038
1039                         if (cur_layout != layout.second) {
1040                                 cur_layout = layout.second;
1041                                 TEXT(bv)->SetLayout(bv, layout.second);
1042                                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1043                                 UpdateLocal(bv, CURSOR_PAR, true);
1044                         }
1045                 } else {
1046                         // reset the layout box
1047                         bv->owner()->setLayout(cpar(bv)->GetLayout());
1048                 }
1049                 break;
1050         case LFUN_PARAGRAPH_SPACING:
1051                 // This one is absolutely not working. When fiddling with this
1052                 // it also seems to me that the paragraphs inside the insettext
1053                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1054         {
1055                 LyXParagraph * par = TEXT(bv)->cursor.par();
1056                 Spacing::Space cur_spacing = par->params.spacing().getSpace();
1057                 float cur_value = 1.0;
1058                 if (cur_spacing == Spacing::Other) {
1059                         cur_value = par->params.spacing().getValue();
1060                 }
1061
1062                 std::istringstream istr(arg.c_str());
1063                 string tmp;
1064                 istr >> tmp;
1065                 Spacing::Space new_spacing = cur_spacing;
1066                 float new_value = cur_value;
1067                 if (tmp.empty()) {
1068                         lyxerr << "Missing argument to `paragraph-spacing'"
1069                                    << endl;
1070                 } else if (tmp == "single") {
1071                         new_spacing = Spacing::Single;
1072                 } else if (tmp == "onehalf") {
1073                         new_spacing = Spacing::Onehalf;
1074                 } else if (tmp == "double") {
1075                         new_spacing = Spacing::Double;
1076                 } else if (tmp == "other") {
1077                         new_spacing = Spacing::Other;
1078                         float tmpval = 0.0;
1079                         istr >> tmpval;
1080                         lyxerr << "new_value = " << tmpval << endl;
1081                         if (tmpval != 0.0)
1082                                 new_value = tmpval;
1083                 } else if (tmp == "default") {
1084                         new_spacing = Spacing::Default;
1085                 } else {
1086                         lyxerr << _("Unknown spacing argument: ")
1087                                    << arg << endl;
1088                 }
1089                 if (cur_spacing != new_spacing || cur_value != new_value) {
1090                         par->params.spacing(Spacing(new_spacing, new_value));
1091                         //TEXT(bv)->RedoParagraph(owner->view());
1092                         UpdateLocal(bv, CURSOR_PAR, true);
1093                         //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1094                 }
1095         }
1096         break;
1097
1098         default:
1099                 if (!bv->Dispatch(action, arg))
1100                         result = UNDISPATCHED;
1101                 break;
1102         }
1103
1104         /// If the action has deleted all text in the inset, we need to change the
1105         // language to the language to the surronding text.
1106         if (par->size() == 0 && !par->next()) {
1107                 LyXFont font(LyXFont::ALL_IGNORE);
1108                 font.setLanguage(bv->getParentLanguage(this));
1109                 SetFont(bv, font, false);
1110         }
1111
1112         if (result != FINISHED) {
1113                 ShowInsetCursor(bv);
1114         } else
1115                 bv->unlockInset(this);
1116         return result;
1117 }
1118
1119
1120 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1121 {
1122         TexRow texrow;
1123         buf->latexParagraphs(os, par, 0, texrow);
1124         return texrow.rows();
1125 }
1126
1127
1128 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1129 {
1130         LyXParagraph * p = par;
1131         unsigned int lines = 0;
1132
1133         string tmp;
1134         while (p) {
1135                 tmp = buf->asciiParagraph(p, linelen);
1136                 lines += countChar(tmp, '\n');
1137                 os << tmp;
1138                 p = p->next();
1139         }
1140         return lines;
1141 }
1142
1143
1144 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1145 {
1146         LyXParagraph * p = par;
1147         unsigned int lines = 0;
1148         int desc=0;
1149
1150         string tmp;
1151         while (p) {
1152                 buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1153                 p = p->next();
1154         }
1155
1156         return lines;
1157 }
1158
1159
1160 void InsetText::Validate(LaTeXFeatures & features) const
1161 {
1162         LyXParagraph * p = par;
1163         while(p) {
1164                 p->validate(features);
1165                 p = p->next();
1166         }
1167 }
1168
1169
1170 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1171 {
1172         if (textclasslist.Style(buf->params.textclass,
1173                                 p->GetLayout()).labeltype != LABEL_MANUAL)
1174                 return 0;
1175         else
1176                 return p->BeginningOfMainBody();
1177 }
1178
1179
1180 void InsetText::GetCursorPos(BufferView * bv,
1181                              int & x, int & y) const
1182 {
1183         x = cx(bv);
1184         y = cy(bv);
1185 }
1186
1187
1188 unsigned int InsetText::InsetInInsetY()
1189 {
1190         if (!the_locking_inset)
1191                 return 0;
1192
1193         return (inset_y + the_locking_inset->InsetInInsetY());
1194 }
1195
1196
1197 void InsetText::ToggleInsetCursor(BufferView * bv)
1198 {
1199         if (the_locking_inset) {
1200                 the_locking_inset->ToggleInsetCursor(bv);
1201                 return;
1202         }
1203
1204         LyXFont const font(TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv)));
1205
1206         int const asc = lyxfont::maxAscent(font);
1207         int const desc = lyxfont::maxDescent(font);
1208
1209         if (isCursorVisible())
1210                 bv->hideLockedInsetCursor();
1211         else
1212                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1213         toggleCursorVisible();
1214 }
1215
1216
1217 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1218 {
1219         if (the_locking_inset) {
1220                 the_locking_inset->ShowInsetCursor(bv);
1221                 return;
1222         }
1223         if (!isCursorVisible()) {
1224                 LyXFont const font =
1225                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1226
1227                 int const asc = lyxfont::maxAscent(font);
1228                 int const desc = lyxfont::maxDescent(font);
1229
1230                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1231                 if (show)
1232                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1233                 setCursorVisible(true);
1234         }
1235 }
1236
1237
1238 void InsetText::HideInsetCursor(BufferView * bv)
1239 {
1240         if (isCursorVisible()) {
1241                 bv->hideLockedInsetCursor();
1242                 setCursorVisible(false);
1243         }
1244         if (the_locking_inset)
1245                 the_locking_inset->HideInsetCursor(bv);
1246 }
1247
1248
1249 UpdatableInset::RESULT
1250 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1251 {
1252         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1253                 return moveLeftIntern(bv, false, activate_inset, selecting);
1254         else
1255                 return moveRightIntern(bv, false, activate_inset, selecting);
1256 }
1257
1258 UpdatableInset::RESULT
1259 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1260 {
1261         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1262                 return moveRightIntern(bv, true, activate_inset, selecting);
1263         else
1264                 return moveLeftIntern(bv, true, activate_inset, selecting);
1265 }
1266
1267
1268 UpdatableInset::RESULT
1269 InsetText::moveRightIntern(BufferView * bv, bool behind,
1270                            bool activate_inset, bool selecting)
1271 {
1272         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1273                 return FINISHED;
1274         if (activate_inset && checkAndActivateInset(bv, behind))
1275                 return DISPATCHED;
1276         TEXT(bv)->CursorRight(bv);
1277         if (!selecting)
1278                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1279         return DISPATCHED_NOUPDATE;
1280 }
1281
1282
1283 UpdatableInset::RESULT
1284 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1285                           bool activate_inset, bool selecting)
1286 {
1287         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1288                 return FINISHED;
1289         TEXT(bv)->CursorLeft(bv);
1290         if (!selecting)
1291                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1292         if (activate_inset && checkAndActivateInset(bv, behind))
1293                 return DISPATCHED;
1294         return DISPATCHED_NOUPDATE;
1295 }
1296
1297
1298 UpdatableInset::RESULT
1299 InsetText::moveUp(BufferView * bv)
1300 {
1301         if (!crow(bv)->previous())
1302                 return FINISHED;
1303         TEXT(bv)->CursorUp(bv);
1304         return DISPATCHED_NOUPDATE;
1305 }
1306
1307
1308 UpdatableInset::RESULT
1309 InsetText::moveDown(BufferView * bv)
1310 {
1311         if (!crow(bv)->next())
1312                 return FINISHED;
1313         TEXT(bv)->CursorDown(bv);
1314         return DISPATCHED_NOUPDATE;
1315 }
1316
1317
1318 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1319 {
1320         if (the_locking_inset) {
1321                 if (the_locking_inset->InsertInsetAllowed(inset))
1322                         return the_locking_inset->InsertInset(bv, inset);
1323                 return false;
1324         }
1325         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1326                           bv->text->cursor.par()->previous(),
1327                           bv->text->cursor.par()->next());
1328         inset->setOwner(this);
1329         HideInsetCursor(bv);
1330         TEXT(bv)->InsertInset(bv, inset);
1331 #if 0
1332         if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1333                 (cpar(bv)->GetInset(cpos(bv)) != inset))
1334                 TEXT(bv)->CursorLeft(bv);
1335 #endif
1336         bv->fitCursor(TEXT(bv));
1337         UpdateLocal(bv, CURSOR_PAR|CURSOR, true);
1338         ShowInsetCursor(bv);
1339         return true;
1340 }
1341
1342
1343 UpdatableInset * InsetText::GetLockingInset()
1344 {
1345         return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1346 }
1347
1348
1349 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1350 {
1351         if (c == LyxCode())
1352                 return this;
1353         if (the_locking_inset)
1354                 return the_locking_inset->GetFirstLockingInsetOfType(c);
1355         return 0;
1356 }
1357
1358
1359 bool InsetText::ShowInsetDialog(BufferView * bv) const
1360 {
1361         if (the_locking_inset)
1362                 return the_locking_inset->ShowInsetDialog(bv);
1363         return false;
1364 }
1365
1366
1367 std::vector<string> const InsetText::getLabelList() const
1368 {
1369         std::vector<string> label_list;
1370
1371         LyXParagraph * tpar = par;
1372         while (tpar) {
1373                 LyXParagraph::inset_iterator beg = tpar->inset_iterator_begin();
1374                 LyXParagraph::inset_iterator end = tpar->inset_iterator_end();
1375                 for (; beg != end; ++beg) {
1376                         std::vector<string> const l = (*beg)->getLabelList();
1377                         label_list.insert(label_list.end(), l.begin(), l.end());
1378                 }
1379                 tpar = tpar->next();
1380         }
1381         return label_list;
1382 }
1383
1384
1385 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1386 {
1387         if (TEXT(bv)->selection) {
1388                 bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1389                                   bv->text->cursor.par()->previous(),
1390                                   bv->text->cursor.par()->next());
1391         }
1392         TEXT(bv)->SetFont(bv, font, toggleall);
1393         bv->fitCursor(TEXT(bv));
1394         UpdateLocal(bv, CURSOR_PAR, true);
1395 }
1396
1397
1398 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1399 {
1400         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1401                 unsigned int x;
1402                 unsigned int y;
1403                 Inset * inset =
1404                         static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1405                 if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1406                         return false;
1407                 LyXFont const font =
1408                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1409                 if (behind) {
1410                         x = inset->width(bv, font);
1411                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1412                 } else {
1413                         x = 0;
1414                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1415                 }
1416                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1417                 //inset_y = cy(bv) + drawTextYOffset;
1418                 inset->Edit(bv, x, y, 0);
1419                 if (!the_locking_inset)
1420                         return false;
1421                 UpdateLocal(bv, CURSOR, false);
1422                 return true;
1423         }
1424         return false;
1425 }
1426
1427
1428 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1429                                       int button)
1430 {
1431         int dummyx, dummyy;
1432
1433         dummyx = x = x - drawTextXOffset;
1434         dummyy = y + insetAscent;
1435         Inset * inset = bv->checkInsetHit(TEXT(bv), dummyx, dummyy, button);
1436
1437         if (inset) {
1438                 if (x < 0)
1439                         x = insetWidth;
1440                 if (y < 0)
1441                         y = insetDescent;
1442                 inset_x = cx(bv) - top_x + drawTextXOffset;
1443                 inset_y = cy(bv) + drawTextYOffset;
1444                 inset->Edit(bv, x - inset_x, y - inset_y, button);
1445                 if (!the_locking_inset)
1446                         return false;
1447                 UpdateLocal(bv, CURSOR, false);
1448                 return true;
1449         }
1450         return false;
1451 }
1452
1453
1454 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1455 {
1456         int w = UpdatableInset::getMaxWidth(bv, inset);
1457         if (w < 0) {
1458                 return w;
1459         }
1460         if (owner()) {
1461                 w = w - top_x + owner()->x();
1462                 return w;
1463         }
1464         w -= (2 * TEXT_TO_INSET_OFFSET);
1465         return w - top_x;
1466 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1467 }
1468
1469
1470 void InsetText::SetParagraphData(LyXParagraph * p)
1471 {
1472         // delete all instances of LyXText before deleting the paragraps used
1473         // by it.
1474         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1475                 delete (*cit).second;
1476                 (*cit).second = 0;
1477         }
1478
1479         while (par) {
1480                 LyXParagraph * tmp = par->next();
1481                 delete par;
1482                 par = tmp;
1483         }
1484
1485         par = p->Clone();
1486         par->SetInsetOwner(this);
1487         LyXParagraph * np = par;
1488         while (p->next()) {
1489                 p = p->next();
1490                 np->next(p->Clone());
1491                 np->next()->previous(np);
1492                 np = np->next();
1493                 np->SetInsetOwner(this);
1494         }
1495
1496         need_update = INIT;
1497 }
1498
1499
1500 void InsetText::SetText(string const & data)
1501 {
1502         clear();
1503         LyXFont font(LyXFont::ALL_SANE);
1504         for (unsigned int i=0; i < data.length(); ++i)
1505                 par->InsertChar(i, data[i], font);
1506 }
1507
1508
1509 void InsetText::SetAutoBreakRows(bool flag)
1510 {
1511         if (flag != autoBreakRows) {
1512                 autoBreakRows = flag;
1513                 need_update = FULL;
1514                 if (!flag)
1515                         removeNewlines();
1516         }
1517 }
1518
1519
1520 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1521 {
1522         if (how != drawFrame_) {
1523                 drawFrame_ = how;
1524                 if (bv)
1525                         UpdateLocal(bv, DRAW_FRAME, false);
1526         }
1527 }
1528
1529
1530 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1531 {
1532         if (frame_color != col) {
1533                 frame_color = col;
1534                 if (bv)
1535                         UpdateLocal(bv, DRAW_FRAME, false);
1536         }
1537 }
1538
1539
1540 int InsetText::cx(BufferView * bv) const
1541 {
1542         LyXText * text = TEXT(bv);
1543         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1544         if (the_locking_inset) {
1545                 LyXFont font = text->GetFont(bv->buffer(),
1546                                              text->cursor.par(),
1547                                              text->cursor.pos());
1548                 if (font.isVisibleRightToLeft())
1549                         x -= the_locking_inset->width(bv, font);
1550         }
1551         return x;
1552 }
1553
1554
1555 int InsetText::cy(BufferView * bv) const
1556 {
1557         LyXFont font;
1558         return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1559 }
1560
1561
1562 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1563 {
1564         return TEXT(bv)->cursor.pos();
1565 }
1566
1567
1568 LyXParagraph * InsetText::cpar(BufferView * bv) const
1569 {
1570         return TEXT(bv)->cursor.par();
1571 }
1572
1573 bool InsetText::cboundary(BufferView * bv) const
1574 {
1575         return TEXT(bv)->cursor.boundary();
1576 }
1577
1578
1579 Row * InsetText::crow(BufferView * bv) const
1580 {
1581         return TEXT(bv)->cursor.row();
1582 }
1583
1584
1585 LyXText * InsetText::getLyXText(BufferView const * lbv,
1586                                 bool const recursive) const
1587 {
1588         // Super UGLY! (Lgb)
1589         BufferView * bv = const_cast<BufferView *>(lbv);
1590
1591         if ((cache.find(bv) != cache.end()) && cache[bv]) {
1592                 if (recursive && the_locking_inset)
1593                         return the_locking_inset->getLyXText(bv);
1594                 return cache[bv];
1595         }
1596         LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1597         lt->init(bv);
1598         cache[bv] = lt;
1599         if (the_locking_inset) {
1600                 lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1601                 if (recursive)
1602                         return the_locking_inset->getLyXText(bv);
1603         }
1604         return lt;
1605 }
1606
1607
1608 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1609 {
1610         if ((cache.find(bv) == cache.end()) || !cache[bv])
1611                 return;
1612         delete cache[bv];
1613         cache.erase(bv);
1614         if (recursive) {
1615                 /// then remove all LyXText in text-insets
1616                 LyXParagraph * p = par;
1617                 for (; p; p = p->next()) {
1618                         p->deleteInsetsLyXText(bv);
1619                 }
1620         }
1621 }
1622
1623
1624 void InsetText::resizeLyXText(BufferView * bv) const
1625 {
1626         if (!par->next() && !par->size()) // resize not neccessary!
1627                 return;
1628         if ((cache.find(bv) == cache.end()) || !cache[bv])
1629                 return;
1630
1631         LyXParagraph * lpar = 0;
1632         LyXParagraph * selstartpar = 0;
1633         LyXParagraph * selendpar = 0;
1634         LyXParagraph::size_type pos = 0;
1635         LyXParagraph::size_type selstartpos = 0;
1636         LyXParagraph::size_type selendpos = 0;
1637         bool boundary = false;
1638         bool selstartboundary = false;
1639         bool selendboundary = false;
1640         int selection = 0;
1641         int mark_set = 0;
1642
1643 //    ProhibitInput(bv);
1644
1645         if (locked) {
1646                 lpar = TEXT(bv)->cursor.par();
1647                 pos = TEXT(bv)->cursor.pos();
1648                 boundary = TEXT(bv)->cursor.boundary();
1649                 selstartpar = TEXT(bv)->sel_start_cursor.par();
1650                 selstartpos = TEXT(bv)->sel_start_cursor.pos();
1651                 selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1652                 selendpar = TEXT(bv)->sel_end_cursor.par();
1653                 selendpos = TEXT(bv)->sel_end_cursor.pos();
1654                 selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1655                 selection = TEXT(bv)->selection;
1656                 mark_set = TEXT(bv)->mark_set;
1657         }
1658         deleteLyXText(bv, (the_locking_inset == 0));
1659
1660         if (lpar) {
1661                 TEXT(bv)->selection = true;
1662                 /* at this point just to avoid the Delete-Empty-Paragraph
1663                  * Mechanism when setting the cursor */
1664                 TEXT(bv)->mark_set = mark_set;
1665                 if (selection) {
1666                         TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,
1667                                             true, selstartboundary);
1668                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1669                         TEXT(bv)->SetCursor(bv, selendpar, selendpos,
1670                                             true, selendboundary);
1671                         TEXT(bv)->SetSelection(bv);
1672                         TEXT(bv)->SetCursor(bv, lpar, pos);
1673                 } else {
1674                         TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1675                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1676                         TEXT(bv)->selection = false;
1677                 }
1678         }
1679         if (bv->screen())
1680                 TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1681         // this will scroll the screen such that the cursor becomes visible
1682         bv->updateScrollbar();
1683 //    AllowInput(bv);
1684         if (the_locking_inset) {
1685                 /// then resize all LyXText in text-insets
1686                 inset_x = cx(bv) - top_x + drawTextXOffset;
1687                 inset_y = cy(bv) + drawTextYOffset;
1688                 for (LyXParagraph * p = par; p; p = p->next()) {
1689                         p->resizeInsetsLyXText(bv);
1690                 }
1691         }
1692         need_update = FULL;
1693 }
1694
1695
1696 void InsetText::removeNewlines()
1697 {
1698         for (LyXParagraph * p = par; p; p = p->next()) {
1699                 for (int i = 0; i < p->size(); ++i) {
1700                         if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1701                                 p->Erase(i);
1702                 }
1703         }
1704 }
1705
1706 bool InsetText::nodraw() const
1707 {
1708         if (the_locking_inset)
1709                 return the_locking_inset->nodraw();
1710         return UpdatableInset::nodraw();
1711 }
1712
1713 int InsetText::scroll(bool recursive) const
1714 {
1715         int sx = UpdatableInset::scroll(false);
1716
1717         if (recursive && the_locking_inset)
1718                 sx += the_locking_inset->scroll(recursive);
1719
1720         return sx;
1721 }
1722
1723 bool InsetText::doClearArea() const
1724 {
1725         return !locked || (need_update & (FULL|INIT));
1726 }
1727 /* Emacs:
1728  * Local variables:
1729  * tab-width: 4
1730  * End:
1731  * vi:set tabstop=4:
1732  */