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
  59 InsetText::InsetText()
  60 {
  61     par = new LyXParagraph();
  62     init();
  63 }
  64
  65
  66 InsetText::InsetText(InsetText const & ins)
  67         : UpdatableInset()
  68 {
  69     par = 0;
  70     init(&ins);
  71     autoBreakRows = ins.autoBreakRows;
  72 }
  73
  74
  75 InsetText & InsetText::operator=(InsetText const & it)
  76 {
  77     init(&it);
  78     autoBreakRows = it.autoBreakRows;
  79     return * this;
  80 }
  81
  82
  83 void InsetText::init(InsetText const * ins)
  84 {
  85     top_y = 0;
  86     last_width = 0;
  87     last_height = 0;
  88     insetAscent = 0;
  89     insetDescent = 0;
  90     insetWidth = 0;
  91     the_locking_inset = 0;
  92     cursor_visible = false;
  93     interline_space = 1;
  94     no_selection = false;
  95     need_update = INIT;
  96     drawTextXOffset = 0;
  97     drawTextYOffset = 0;
  98     autoBreakRows = false;
  99     drawFrame = NEVER;
 100     xpos = 0.0;
 101     if (ins) {
 102         SetParagraphData(ins->par);
 103         autoBreakRows = ins->autoBreakRows;
 104         drawFrame = ins->drawFrame;
 105     }
 106     par->SetInsetOwner(this);
 107     frame_color = LColor::insetframe;
 108     locked = false;
 109     old_par = 0;
 110 }
 111
 112
 113 InsetText::~InsetText()
 114 {
 115     // delete all instances of LyXText before deleting the paragraps used
 116     // by it.
 117     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 118         delete (*cit).second;
 119         (*cit).second = 0;
 120     }
 121     LyXParagraph * p = par->next;
 122     delete par;
 123     while(p) {
 124         par = p;
 125         p = p->next;
 126         delete par;
 127     }
 128 }
 129
 130
 131 void InsetText::clear()
 132 {
 133     // delete all instances of LyXText before deleting the paragraps used
 134     // by it.
 135     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 136         delete (*cit).second;
 137         (*cit).second = 0;
 138     }
 139     LyXParagraph * p = par->next;
 140     delete par;
 141     while(p) {
 142         par = p;
 143         p = p->next;
 144         delete par;
 145     }
 146     par = new LyXParagraph();
 147 }
 148
 149
 150 Inset * InsetText::Clone(Buffer const &) const
 151 {
 152     InsetText * t = new InsetText(*this);
 153     return t;
 154 }
 155
 156
 157 void InsetText::Write(Buffer const * buf, ostream & os) const
 158 {
 159     os << "Text\n";
 160     WriteParagraphData(buf, os);
 161 }
 162
 163
 164 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 165 {
 166     par->writeFile(buf, os, buf->params, 0, 0);
 167 }
 168
 169
 170 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 171 {
 172     string token;
 173     int pos = 0;
 174     LyXParagraph * return_par = 0;
 175     char depth = 0; // signed or unsigned?
 176 #ifndef NEW_INSETS
 177     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 178     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 179 #endif
 180     LyXFont font(LyXFont::ALL_INHERIT);
 181
 182     // delete all instances of LyXText before deleting the paragraps used
 183     // by it.
 184     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 185         delete (*cit).second;
 186         (*cit).second = 0;
 187     }
 188
 189     LyXParagraph * p = par->next;
 190     delete par;
 191     while(p) {
 192         par = p;
 193         p = p->next;
 194         delete par;
 195     }
 196     par = new LyXParagraph;
 197     while (lex.IsOK()) {
 198         lex.nextToken();
 199         token = lex.GetString();
 200         if (token.empty())
 201             continue;
 202         if (token == "\\end_inset")
 203             break;
 204         if (const_cast<Buffer*>(buf)->
 205             parseSingleLyXformat2Token(lex, par, return_par,token, pos, depth,
 206                                        font
 207 #ifndef NEW_INSETS
 208                                        , footnoteflag, footnotekind
 209 #endif
 210                                        ))
 211         {
 212             // the_end read this should NEVER happen
 213             lex.printError("\\the_end read in inset! Error in document!");
 214             return;
 215         }
 216     }
 217     if (!return_par)
 218             return_par = par;
 219     par = return_par;
 220     while(return_par) {
 221         return_par->SetInsetOwner(this);
 222         return_par = return_par->next;
 223     }
 224
 225     if (token != "\\end_inset") {
 226         lex.printError("Missing \\end_inset at this point. "
 227                        "Read: `$$Token'");
 228     }
 229     need_update = INIT;
 230 }
 231
 232
 233 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 234 {
 235     int y_temp = 0;
 236     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 237     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 238     return insetAscent;
 239 }
 240
 241
 242 int InsetText::descent(BufferView * bv, LyXFont const &) const
 243 {
 244     int y_temp = 0;
 245     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 246     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 247         TEXT_TO_INSET_OFFSET;
 248     return insetDescent;
 249 }
 250
 251
 252 int InsetText::width(BufferView * bv, LyXFont const &) const
 253 {
 254     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 255     return insetWidth;
 256 }
 257
 258
 259 int InsetText::textWidth(Painter & pain) const
 260 {
 261     int w = getMaxWidth(pain, this);
 262     return w;
 263 }
 264
 265
 266 void InsetText::draw(BufferView * bv, LyXFont const & f,
 267                      int baseline, float & x, bool cleared) const
 268 {
 269     Painter & pain = bv->painter();
 270
 271     // no draw is necessary !!!
 272     if ((drawFrame == LOCKED) && !locked && !par->size()) {
 273         if (!cleared && (need_update == CLEAR_FRAME)) {
 274             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 275                            width(bv, f) - 1,
 276                            insetAscent + insetDescent - 1,
 277                            LColor::background);
 278         }
 279         top_x = int(x);
 280         top_baseline = baseline;
 281         x += width(bv, f);
 282         need_update = NONE;
 283         return;
 284     }
 285
 286     xpos = x;
 287     UpdatableInset::draw(bv, f, baseline, x, cleared);
 288
 289     if (!cleared && ((need_update==FULL) || (top_x!=int(x)) ||
 290                      (top_baseline!=baseline))) {
 291         int w =  insetWidth;
 292         int h = insetAscent + insetDescent;
 293         int ty = baseline - insetAscent;
 294
 295         if (ty < 0) {
 296             h += ty;
 297             ty = 0;
 298         }
 299         if ((ty + h) > pain.paperHeight())
 300             h = pain.paperHeight();
 301         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 302             w = pain.paperWidth();
 303         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 304         cleared = true;
 305         need_update = FULL;
 306     }
 307     if (!cleared && (need_update == NONE))
 308         return;
 309
 310     if (top_x != int(x)) {
 311         need_update = INIT;
 312         top_x = int(x);
 313         bv->text->status = LyXText::CHANGED_IN_DRAW;
 314         return;
 315     }
 316
 317     top_baseline = baseline;
 318     top_y = baseline - ascent(bv, f);
 319     last_width = width(bv, f);
 320     last_height = ascent(bv, f) + descent(bv, f);
 321
 322     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 323         inset_x = cx(bv) - top_x + drawTextXOffset;
 324         inset_y = cy(bv) + drawTextYOffset;
 325     }
 326     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 327         x += width(bv, f);
 328         need_update = NONE;
 329         return;
 330     }
 331     x += TEXT_TO_INSET_OFFSET;
 332     {
 333         int y = 0;
 334         Row * row = TEXT(bv)->GetRowNearY(y);
 335         int y_offset = baseline - row->ascent_of_text();
 336         int ph = pain.paperHeight();
 337         int first = 0;
 338         y = y_offset;
 339         while ((row != 0) && ((y+row->height()) <= 0)) {
 340             y += row->height();
 341             first += row->height();
 342             row = row->next();
 343         }
 344         if (y_offset < 0)
 345             y_offset = y;
 346         TEXT(bv)->first = first;
 347         if (cleared || !locked || (need_update == FULL)) {
 348             int yf = y_offset;
 349             y = 0;
 350             while ((row != 0) && (yf < ph)) {
 351                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 352                                             y+first, cleared);
 353                 y += row->height();
 354                 yf += row->height();
 355                 row = row->next();
 356             }
 357         } else if (need_update == SELECTION) {
 358             bv->screen()->ToggleToggle(TEXT(bv), y_offset, int(x));
 359         } else {
 360             locked = false;
 361             if (need_update == CURSOR) {
 362                 bv->screen()->ToggleSelection(TEXT(bv), true, y_offset,int(x));
 363                 TEXT(bv)->ClearSelection();
 364                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 365             }
 366             bv->screen()->Update(TEXT(bv), y_offset, int(x));
 367             locked = true;
 368         }
 369     }
 370     TEXT(bv)->refresh_y = 0;
 371     TEXT(bv)->status = LyXText::UNCHANGED;
 372     if ((need_update != CURSOR_PAR) &&
 373         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 374     {
 375             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 376                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 377                            frame_color);
 378     } else if (need_update == CLEAR_FRAME) {
 379             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 380                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 381                            LColor::background);
 382     }
 383     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 384     if (bv->text->status==LyXText::CHANGED_IN_DRAW)
 385         need_update = INIT;
 386     else if (need_update != INIT)
 387         need_update = NONE;
 388 }
 389
 390
 391 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 392 {
 393     if (reinit) {  // && (need_update != CURSOR)) {
 394         need_update = INIT;
 395         resizeLyXText(bv);
 396         if (owner())
 397             owner()->update(bv, font, true);
 398         return;
 399     }
 400     if (the_locking_inset) {
 401         inset_x = cx(bv) - top_x + drawTextXOffset;
 402         inset_y = cy(bv) + drawTextYOffset;
 403         the_locking_inset->update(bv, font, reinit);
 404     }
 405     if (need_update == INIT) {
 406         resizeLyXText(bv);
 407         need_update = FULL;
 408     }
 409     int oldw = insetWidth;
 410 #if 1
 411     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 412     // max(textWidth(bv->painter()),
 413     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 414     // (2 * TEXT_TO_INSET_OFFSET);
 415 #else
 416     insetWidth = textWidth(bv->painter());
 417     if (insetWidth < 0)
 418             insetWidth = static_cast<int>(TEXT(bv)->width);
 419 #endif
 420     if (oldw != insetWidth) {
 421 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 422 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 423         resizeLyXText(bv);
 424         need_update = FULL;
 425         update(bv, font, reinit);
 426         return;
 427     }
 428     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 429         the_locking_inset)
 430     {
 431         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 432     }
 433
 434     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 435         need_update = FULL;
 436
 437     int y_temp = 0;
 438     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 439     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 440     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 441         TEXT_TO_INSET_OFFSET;
 442 }
 443
 444
 445 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 446 {
 447     TEXT(bv)->FullRebreak(bv);
 448     if (need_update != INIT) {
 449         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 450             need_update = FULL;
 451         else if (!the_locking_inset || (what != CURSOR))
 452             need_update = what;
 453     }
 454     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 455         TEXT(bv)->selection)
 456             bv->updateInset(this, mark_dirty);
 457     bv->owner()->showState();
 458     if (old_par != cpar(bv)) {
 459             bv->owner()->setLayout(cpar(bv)->GetLayout());
 460             old_par = cpar(bv);
 461     }
 462 }
 463
 464
 465 string const InsetText::EditMessage() const
 466 {
 467     return _("Opened Text Inset");
 468 }
 469
 470
 471 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 472 {
 473 //    par->SetInsetOwner(this);
 474     UpdatableInset::Edit(bv, x, y, button);
 475
 476     if (!bv->lockInset(this)) {
 477         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 478         return;
 479     }
 480     locked = true;
 481     the_locking_inset = 0;
 482     inset_pos = inset_x = inset_y = 0;
 483     inset_par = 0;
 484     old_par = 0;
 485     if (!checkAndActivateInset(bv, x, y, button))
 486         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 487                                            y+insetAscent);
 488     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 489     bv->text->FinishUndo();
 490     ShowInsetCursor(bv);
 491     UpdateLocal(bv, FULL, false);
 492 }
 493
 494
 495 void InsetText::InsetUnlock(BufferView * bv)
 496 {
 497     if (the_locking_inset) {
 498         the_locking_inset->InsetUnlock(bv);
 499         the_locking_inset = 0;
 500     }
 501     HideInsetCursor(bv);
 502     no_selection = false;
 503     locked = false;
 504     TEXT(bv)->selection = 0;
 505     UpdateLocal(bv, CLEAR_FRAME, false);
 506     if (owner())
 507             bv->owner()->setLayout(owner()->getLyXText(bv)
 508                                     ->cursor.par()->GetLayout());
 509     else
 510             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 511 }
 512
 513
 514 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 515 {
 516     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 517     if (!inset)
 518         return false;
 519     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 520         lyxerr[Debug::INSETS] << "OK" << endl;
 521         the_locking_inset = inset;
 522         inset_x = cx(bv) - top_x + drawTextXOffset;
 523         inset_y = cy(bv) + drawTextYOffset;
 524         inset_pos = cpos(bv);
 525         inset_par = cpar(bv);
 526         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 527         return true;
 528     } else if (the_locking_inset && (the_locking_inset == inset)) {
 529         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 530             lyxerr[Debug::INSETS] << "OK" << endl;
 531             inset_x = cx(bv) - top_x + drawTextXOffset;
 532             inset_y = cy(bv) + drawTextYOffset;
 533         } else {
 534             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 535         }
 536     } else if (the_locking_inset) {
 537         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 538         return the_locking_inset->LockInsetInInset(bv, inset);
 539     }
 540     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 541     return false;
 542 }
 543
 544
 545 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 546                                    bool lr)
 547 {
 548     if (!the_locking_inset)
 549         return false;
 550     if (the_locking_inset == inset) {
 551         the_locking_inset->InsetUnlock(bv);
 552         TEXT(bv)->UpdateInset(bv, inset);
 553         the_locking_inset = 0;
 554         if (lr)
 555             moveRight(bv, false);
 556         old_par = 0; // force layout setting
 557         UpdateLocal(bv, CURSOR_PAR, false);
 558         return true;
 559     }
 560     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 561 }
 562
 563
 564 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 565 {
 566     if (!the_locking_inset)
 567         return false;
 568     if (the_locking_inset != inset) {
 569         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 570         need_update = CURSOR_PAR;
 571         return the_locking_inset->UpdateInsetInInset(bv, inset);
 572     }
 573 //    UpdateLocal(bv, FULL, false);
 574     if (TEXT(bv)->UpdateInset(bv, inset))
 575         UpdateLocal(bv, CURSOR_PAR, false);
 576     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 577         inset_x = cx(bv) - top_x + drawTextXOffset;
 578         inset_y = cy(bv) + drawTextYOffset;
 579     }
 580     return true;
 581 }
 582
 583
 584 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 585 {
 586     no_selection = false;
 587
 588     int tmp_x = x - drawTextXOffset;
 589     int tmp_y = y + insetAscent - TEXT(bv)->first;
 590     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 591
 592     HideInsetCursor(bv);
 593     if (the_locking_inset) {
 594         if (the_locking_inset == inset) {
 595             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 596             return;
 597         } else if (inset) {
 598             // otherwise unlock the_locking_inset and lock the new inset
 599             the_locking_inset->InsetUnlock(bv);
 600             inset_x = cx(bv) - top_x + drawTextXOffset;
 601             inset_y = cy(bv) + drawTextYOffset;
 602             the_locking_inset = static_cast<UpdatableInset*>(inset);
 603             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 604             inset->Edit(bv, x - inset_x, y - inset_y, button);
 605             if (the_locking_inset) {
 606                 UpdateLocal(bv, CURSOR_PAR, false);
 607             }
 608             return;
 609         }
 610         // otherwise only unlock the_locking_inset
 611         the_locking_inset->InsetUnlock(bv);
 612         the_locking_inset = 0;
 613     }
 614     if (bv->theLockingInset()) {
 615         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 616             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 617             inset_x = cx(bv) - top_x + drawTextXOffset;
 618             inset_y = cy(bv) + drawTextYOffset;
 619             inset_pos = cpos(bv);
 620             inset_par = cpar(bv);
 621             the_locking_inset = uinset;
 622             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 623             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 624 //          TEXT(bv)->ClearSelection();
 625             if (the_locking_inset) {
 626                 UpdateLocal(bv, CURSOR_PAR, false);
 627             }
 628             return;
 629         }
 630     }
 631     if (!inset) {
 632         bool paste_internally = false;
 633         if ((button == 2) && TEXT(bv)->selection) {
 634             LocalDispatch(bv, LFUN_COPY, "");
 635             paste_internally = true;
 636         }
 637         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 638                                            y + insetAscent);
 639         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 640         UpdateLocal(bv, CURSOR, false);
 641         bv->owner()->setLayout(cpar(bv)->GetLayout());
 642         old_par = cpar(bv);
 643         // Insert primary selection with middle mouse
 644         // if there is a local selection in the current buffer,
 645         // insert this
 646         if (button == 2) {
 647             if (paste_internally)
 648                 LocalDispatch(bv, LFUN_PASTE, "");
 649             else
 650                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 651         }
 652     }
 653     ShowInsetCursor(bv);
 654 }
 655
 656
 657 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 658 {
 659     UpdatableInset * inset = 0;
 660
 661     if (the_locking_inset) {
 662             the_locking_inset->InsetButtonRelease(bv,
 663                                                   x - inset_x, y - inset_y,
 664                                                   button);
 665     } else {
 666         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 667             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 668             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 669                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 670             } else {
 671                 inset_x = cx(bv) - top_x + drawTextXOffset;
 672                 inset_y = cy(bv) + drawTextYOffset;
 673                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 674                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 675             }
 676             UpdateLocal(bv, CURSOR_PAR, false);
 677         }
 678     }
 679     no_selection = false;
 680 }
 681
 682
 683 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 684 {
 685     if (the_locking_inset) {
 686         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 687                                              y - inset_y,state);
 688         return;
 689     }
 690     if (!no_selection) {
 691         HideInsetCursor(bv);
 692         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 693                                            y+insetAscent);
 694         TEXT(bv)->SetSelection();
 695         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 696             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 697             UpdateLocal(bv, SELECTION, false);
 698         ShowInsetCursor(bv);
 699     }
 700     no_selection = false;
 701 }
 702
 703
 704 void InsetText::InsetKeyPress(XKeyEvent * xke)
 705 {
 706     if (the_locking_inset) {
 707         the_locking_inset->InsetKeyPress(xke);
 708         return;
 709     }
 710 }
 711
 712
 713 UpdatableInset::RESULT
 714 InsetText::LocalDispatch(BufferView * bv,
 715                          int action, string const & arg)
 716 {
 717     no_selection = false;
 718     UpdatableInset::RESULT
 719         result= UpdatableInset::LocalDispatch(bv, action, arg);
 720     if (result != UNDISPATCHED) {
 721         return DISPATCHED;
 722     }
 723
 724     result=DISPATCHED;
 725     if ((action < 0) && arg.empty())
 726         return FINISHED;
 727
 728     if (the_locking_inset) {
 729         result = the_locking_inset->LocalDispatch(bv, action, arg);
 730         if (result == DISPATCHED_NOUPDATE)
 731             return result;
 732         else if (result == DISPATCHED) {
 733             UpdateLocal(bv, CURSOR_PAR, false);
 734             return result;
 735         } else if (result == FINISHED) {
 736             switch (action) {
 737             case -1:
 738             case LFUN_RIGHT:
 739                 moveRight(bv, false);
 740                 break;
 741             case LFUN_DOWN:
 742                 moveDown(bv);
 743                 break;
 744             }
 745             the_locking_inset = 0;
 746             return DISPATCHED;
 747         }
 748     }
 749     HideInsetCursor(bv);
 750     switch (action) {
 751         // Normal chars
 752     case -1:
 753         if (bv->buffer()->isReadonly()) {
 754             LyXBell();
 755 //          setErrorMessage(N_("Document is read only"));
 756             break;
 757         }
 758         if (!arg.empty()) {
 759             /* Automatically delete the currently selected
 760              * text and replace it with what is being
 761              * typed in now. Depends on lyxrc settings
 762              * "auto_region_delete", which defaults to
 763              * true (on). */
 764
 765             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 766 #ifndef NEW_INSETS
 767                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 768                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 769 #else
 770                               bv->text->cursor.par()->previous,
 771                               bv->text->cursor.par()->next
 772 #endif
 773                     );
 774             // if an empty paragraph set the language to the surronding
 775             // paragraph language on insertion of the first character!
 776             if (!par->Last() && !par->next) {
 777                 LyXText * text = 0;
 778                 if (owner()) {
 779                     Inset * inset = owner();
 780                     while(inset && inset->getLyXText(bv) == TEXT(bv))
 781                         inset = inset->owner();
 782                     if (inset)
 783                         text = inset->getLyXText(bv);
 784                 }
 785                 if (!text)
 786                     text = bv->text;
 787                 LyXFont font(LyXFont::ALL_IGNORE);
 788                 font.setLanguage(text->cursor.par()->getParLanguage(bv->buffer()->params));
 789                 SetFont(bv, font, false);
 790             }
 791             if (lyxrc.auto_region_delete) {
 792                 if (TEXT(bv)->selection){
 793                     TEXT(bv)->CutSelection(bv, false);
 794                 }
 795             }
 796             TEXT(bv)->ClearSelection();
 797             for (string::size_type i = 0; i < arg.length(); ++i) {
 798                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 799             }
 800         }
 801         UpdateLocal(bv, CURSOR_PAR, true);
 802         result=DISPATCHED_NOUPDATE;
 803         break;
 804         // --- Cursor Movements ---------------------------------------------
 805     case LFUN_RIGHTSEL:
 806         bv->text->FinishUndo();
 807         moveRight(bv, false, true);
 808         TEXT(bv)->SetSelection();
 809         UpdateLocal(bv, SELECTION, false);
 810         break;
 811     case LFUN_RIGHT:
 812         result = moveRight(bv);
 813         bv->text->FinishUndo();
 814         TEXT(bv)->ClearSelection();
 815         UpdateLocal(bv, CURSOR, false);
 816         break;
 817     case LFUN_LEFTSEL:
 818         bv->text->FinishUndo();
 819         moveLeft(bv, false, true);
 820         TEXT(bv)->SetSelection();
 821         UpdateLocal(bv, SELECTION, false);
 822         break;
 823     case LFUN_LEFT:
 824         bv->text->FinishUndo();
 825         result= moveLeft(bv);
 826         TEXT(bv)->ClearSelection();
 827         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 828         UpdateLocal(bv, CURSOR, false);
 829         break;
 830     case LFUN_DOWNSEL:
 831         bv->text->FinishUndo();
 832         moveDown(bv);
 833         TEXT(bv)->SetSelection();
 834         UpdateLocal(bv, SELECTION, false);
 835         break;
 836     case LFUN_DOWN:
 837         bv->text->FinishUndo();
 838         result = moveDown(bv);
 839         TEXT(bv)->ClearSelection();
 840         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 841         UpdateLocal(bv, CURSOR, false);
 842         break;
 843     case LFUN_UPSEL:
 844         bv->text->FinishUndo();
 845         moveUp(bv);
 846         TEXT(bv)->SetSelection();
 847         UpdateLocal(bv, SELECTION, false);
 848         break;
 849     case LFUN_UP:
 850         bv->text->FinishUndo();
 851         result = moveUp(bv);
 852         TEXT(bv)->ClearSelection();
 853         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 854         UpdateLocal(bv, CURSOR, false);
 855         break;
 856     case LFUN_HOME:
 857         bv->text->FinishUndo();
 858         TEXT(bv)->CursorHome(bv);
 859         TEXT(bv)->ClearSelection();
 860         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 861         UpdateLocal(bv, CURSOR, false);
 862         break;
 863     case LFUN_END:
 864         TEXT(bv)->CursorEnd(bv);
 865         TEXT(bv)->ClearSelection();
 866         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 867         UpdateLocal(bv, CURSOR, false);
 868         break;
 869     case LFUN_BACKSPACE:
 870         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 871 #ifndef NEW_INSETS
 872           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 873           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 874 #else
 875           bv->text->cursor.par()->previous,
 876           bv->text->cursor.par()->next
 877 #endif
 878                 );
 879         if (TEXT(bv)->selection)
 880             TEXT(bv)->CutSelection(bv);
 881         else
 882             TEXT(bv)->Backspace(bv);
 883         UpdateLocal(bv, CURSOR_PAR, true);
 884         break;
 885     case LFUN_DELETE:
 886         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 887 #ifndef NEW_INSETS
 888           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 889           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 890 #else
 891           bv->text->cursor.par()->previous,
 892           bv->text->cursor.par()->next
 893 #endif
 894                 );
 895         if (TEXT(bv)->selection)
 896             TEXT(bv)->CutSelection(bv);
 897         else
 898             TEXT(bv)->Delete(bv);
 899         UpdateLocal(bv, CURSOR_PAR, true);
 900         break;
 901     case LFUN_CUT:
 902         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 903 #ifndef NEW_INSETS
 904           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 905           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 906 #else
 907           bv->text->cursor.par()->previous,
 908           bv->text->cursor.par()->next
 909 #endif
 910                 );
 911         TEXT(bv)->CutSelection(bv);
 912         UpdateLocal(bv, CURSOR_PAR, true);
 913         break;
 914     case LFUN_COPY:
 915         bv->text->FinishUndo();
 916         TEXT(bv)->CopySelection(bv);
 917         UpdateLocal(bv, CURSOR_PAR, false);
 918         break;
 919     case LFUN_PASTESELECTION:
 920     {
 921         string clip(bv->workarea()->getClipboard());
 922
 923         if (clip.empty())
 924             break;
 925         if (arg == "paragraph") {
 926                 TEXT(bv)->InsertStringB(bv, clip);
 927         } else {
 928                 TEXT(bv)->InsertStringA(bv, clip);
 929         }
 930         UpdateLocal(bv, CURSOR_PAR, true);
 931         break;
 932     }
 933     case LFUN_PASTE:
 934         if (!autoBreakRows) {
 935             CutAndPaste cap;
 936
 937             if (cap.nrOfParagraphs() > 1) {
 938                 WriteAlert(_("Impossible operation"),
 939                            _("Cannot include more than one paragraph!"),
 940                            _("Sorry."));
 941                 break;
 942             }
 943         }
 944         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 945 #ifndef NEW_INSETS
 946           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 947           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 948 #else
 949           bv->text->cursor.par()->previous,
 950           bv->text->cursor.par()->next
 951 #endif
 952                 );
 953         TEXT(bv)->PasteSelection(bv);
 954         UpdateLocal(bv, CURSOR_PAR, true);
 955         break;
 956     case LFUN_BREAKPARAGRAPH:
 957         if (!autoBreakRows)
 958             return DISPATCHED;
 959         TEXT(bv)->BreakParagraph(bv, 0);
 960         UpdateLocal(bv, FULL, true);
 961         break;
 962     case LFUN_BREAKLINE:
 963         if (!autoBreakRows)
 964             return DISPATCHED;
 965         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 966 #ifndef NEW_INSETS
 967             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 968             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 969 #else
 970             bv->text->cursor.par()->previous,
 971             bv->text->cursor.par()->next
 972 #endif
 973                 );
 974         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 975         UpdateLocal(bv, CURSOR_PAR, true);
 976         break;
 977     case LFUN_LAYOUT:
 978         // do not set layouts on non breakable textinsets
 979         if (autoBreakRows) {
 980             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 981
 982             // Derive layout number from given argument (string)
 983             // and current buffer's textclass (number). */
 984             LyXTextClassList::ClassList::size_type tclass =
 985                 bv->buffer()->params.textclass;
 986             std::pair <bool, LyXTextClass::size_type> layout =
 987                 textclasslist.NumberOfLayout(tclass, arg);
 988
 989             // If the entry is obsolete, use the new one instead.
 990             if (layout.first) {
 991                 string obs = textclasslist.Style(tclass,layout.second).
 992                     obsoleted_by();
 993                 if (!obs.empty())
 994                     layout = textclasslist.NumberOfLayout(tclass, obs);
 995             }
 996
 997             // see if we found the layout number:
 998             if (!layout.first) {
 999                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1000
1001                 bv->owner()->getMiniBuffer()->Set(msg);
1002                 break;
1003             }
1004
1005             if (cur_layout != layout.second) {
1006                 cur_layout = layout.second;
1007                 TEXT(bv)->SetLayout(bv, layout.second);
1008                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1009                 UpdateLocal(bv, CURSOR_PAR, true);
1010             }
1011         } else {
1012             // reset the layout box
1013             bv->owner()->setLayout(cpar(bv)->GetLayout());
1014         }
1015         break;
1016     case LFUN_PARAGRAPH_SPACING:
1017             // This one is absolutely not working. When fiddling with this
1018             // it also seems to me that the paragraphs inside the insettext
1019             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1020     {
1021             LyXParagraph * par = TEXT(bv)->cursor.par();
1022             Spacing::Space cur_spacing = par->spacing.getSpace();
1023             float cur_value = 1.0;
1024             if (cur_spacing == Spacing::Other) {
1025                     cur_value = par->spacing.getValue();
1026             }
1027
1028             std::istringstream istr(arg.c_str());
1029             string tmp;
1030             istr >> tmp;
1031             Spacing::Space new_spacing = cur_spacing;
1032             float new_value = cur_value;
1033             if (tmp.empty()) {
1034                     lyxerr << "Missing argument to `paragraph-spacing'"
1035                            << endl;
1036             } else if (tmp == "single") {
1037                     new_spacing = Spacing::Single;
1038             } else if (tmp == "onehalf") {
1039                     new_spacing = Spacing::Onehalf;
1040             } else if (tmp == "double") {
1041                     new_spacing = Spacing::Double;
1042             } else if (tmp == "other") {
1043                     new_spacing = Spacing::Other;
1044                     float tmpval = 0.0;
1045                     istr >> tmpval;
1046                     lyxerr << "new_value = " << tmpval << endl;
1047                     if (tmpval != 0.0)
1048                             new_value = tmpval;
1049             } else if (tmp == "default") {
1050                     new_spacing = Spacing::Default;
1051             } else {
1052                     lyxerr << _("Unknown spacing argument: ")
1053                            << arg << endl;
1054             }
1055             if (cur_spacing != new_spacing || cur_value != new_value) {
1056                     par->spacing.set(new_spacing, new_value);
1057                     //TEXT(bv)->RedoParagraph(owner->view());
1058                     UpdateLocal(bv, CURSOR_PAR, true);
1059                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1060             }
1061     }
1062     break;
1063
1064     default:
1065         result = UNDISPATCHED;
1066         break;
1067     }
1068     if (result != FINISHED) {
1069         ShowInsetCursor(bv);
1070     } else
1071         bv->unlockInset(this);
1072     return result;
1073 }
1074
1075
1076 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1077 {
1078     TexRow texrow;
1079     buf->latexParagraphs(os, par, 0, texrow);
1080     return texrow.rows();
1081 }
1082
1083
1084 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1085 {
1086     LyXParagraph * p = par;
1087     unsigned int lines = 0;
1088
1089     string tmp;
1090     while (p) {
1091         tmp = buf->asciiParagraph(p, linelen);
1092         lines += countChar(tmp, '\n');
1093         os << tmp;
1094         p = p->next;
1095     }
1096     return lines;
1097 }
1098
1099
1100 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1101 {
1102     LyXParagraph * p = par;
1103     unsigned int lines = 0;
1104     int desc=0;
1105
1106     string tmp;
1107     while (p) {
1108         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1109         p = p->next;
1110     }
1111
1112     return lines;
1113 }
1114
1115
1116 void InsetText::Validate(LaTeXFeatures & features) const
1117 {
1118     LyXParagraph * p = par;
1119     while(p) {
1120         p->validate(features);
1121         p = p->next;
1122     }
1123 }
1124
1125
1126 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1127 {
1128     if (textclasslist.Style(buf->params.textclass,
1129                             p->GetLayout()).labeltype != LABEL_MANUAL)
1130         return 0;
1131     else
1132         return p->BeginningOfMainBody();
1133 }
1134
1135
1136 void InsetText::GetCursorPos(BufferView * bv,
1137                              int & x, int & y) const
1138 {
1139     x = cx(bv);
1140     y = cy(bv);
1141 }
1142
1143
1144 unsigned int InsetText::InsetInInsetY()
1145 {
1146     if (!the_locking_inset)
1147         return 0;
1148
1149     return (inset_y + the_locking_inset->InsetInInsetY());
1150 }
1151
1152
1153 void InsetText::ToggleInsetCursor(BufferView * bv)
1154 {
1155     if (the_locking_inset) {
1156         the_locking_inset->ToggleInsetCursor(bv);
1157         return;
1158     }
1159
1160     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1161
1162     int asc = lyxfont::maxAscent(font);
1163     int desc = lyxfont::maxDescent(font);
1164
1165     if (cursor_visible)
1166         bv->hideLockedInsetCursor();
1167     else
1168         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1169     cursor_visible = !cursor_visible;
1170 }
1171
1172
1173 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1174 {
1175     if (the_locking_inset) {
1176         the_locking_inset->ShowInsetCursor(bv);
1177         return;
1178     }
1179     if (!cursor_visible) {
1180         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1181
1182         int asc = lyxfont::maxAscent(font);
1183         int desc = lyxfont::maxDescent(font);
1184
1185         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1186         if (show)
1187             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1188         cursor_visible = true;
1189     }
1190 }
1191
1192
1193 void InsetText::HideInsetCursor(BufferView * bv)
1194 {
1195     if (cursor_visible) {
1196         bv->hideLockedInsetCursor();
1197         cursor_visible = false;
1198     }
1199     if (the_locking_inset)
1200         the_locking_inset->HideInsetCursor(bv);
1201 }
1202
1203
1204 UpdatableInset::RESULT
1205 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1206 {
1207     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1208         return FINISHED;
1209     if (activate_inset && checkAndActivateInset(bv, false))
1210         return DISPATCHED;
1211     TEXT(bv)->CursorRight(bv, selecting);
1212     return DISPATCHED_NOUPDATE;
1213 }
1214
1215
1216 UpdatableInset::RESULT
1217 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1218 {
1219     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1220         return FINISHED;
1221     TEXT(bv)->CursorLeft(bv, selecting);
1222     if (activate_inset && checkAndActivateInset(bv, true))
1223         return DISPATCHED;
1224     return DISPATCHED_NOUPDATE;
1225 }
1226
1227
1228 UpdatableInset::RESULT
1229 InsetText::moveUp(BufferView * bv)
1230 {
1231     if (!crow(bv)->previous())
1232         return FINISHED;
1233     TEXT(bv)->CursorUp(bv);
1234     return DISPATCHED_NOUPDATE;
1235 }
1236
1237
1238 UpdatableInset::RESULT
1239 InsetText::moveDown(BufferView * bv)
1240 {
1241     if (!crow(bv)->next())
1242         return FINISHED;
1243     TEXT(bv)->CursorDown(bv);
1244     return DISPATCHED_NOUPDATE;
1245 }
1246
1247
1248 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1249 {
1250     if (the_locking_inset) {
1251         if (the_locking_inset->InsertInsetAllowed(inset))
1252             return the_locking_inset->InsertInset(bv, inset);
1253         return false;
1254     }
1255     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1256 #ifndef NEW_INSETS
1257               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1258               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1259 #else
1260               bv->text->cursor.par()->previous,
1261               bv->text->cursor.par()->next
1262 #endif
1263             );
1264     inset->setOwner(this);
1265     HideInsetCursor(bv);
1266     TEXT(bv)->InsertInset(bv, inset);
1267     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1268         (cpar(bv)->GetInset(cpos(bv)) != inset))
1269         TEXT(bv)->CursorLeft(bv);
1270     TEXT(bv)->selection = 0;
1271     bv->fitCursor(TEXT(bv));
1272     UpdateLocal(bv, CURSOR_PAR, true);
1273     ShowInsetCursor(bv);
1274     return true;
1275 }
1276
1277
1278 UpdatableInset * InsetText::GetLockingInset()
1279 {
1280     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1281 }
1282
1283
1284 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1285 {
1286     if (c == LyxCode())
1287         return this;
1288     if (the_locking_inset)
1289         return the_locking_inset->GetFirstLockingInsetOfType(c);
1290     return 0;
1291 }
1292
1293
1294 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1295 {
1296     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1297 #ifndef NEW_INSETS
1298               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1299               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1300 #else
1301               bv->text->cursor.par()->previous,
1302               bv->text->cursor.par()->next
1303 #endif
1304             );
1305     TEXT(bv)->SetFont(bv, font, toggleall);
1306     bv->fitCursor(TEXT(bv));
1307     UpdateLocal(bv, CURSOR_PAR, true);
1308 }
1309
1310
1311 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1312 {
1313     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1314         unsigned int x;
1315         unsigned int y;
1316         Inset * inset =
1317             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1318         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1319             return false;
1320         LyXFont const font =
1321                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1322         if (behind) {
1323             x = inset->width(bv, font);
1324             y = inset->descent(bv, font);
1325         } else {
1326             x = y = 0;
1327         }
1328         inset_x = cx(bv) - top_x + drawTextXOffset;
1329         inset_y = cy(bv) + drawTextYOffset;
1330         inset->Edit(bv, x - inset_x, y - inset_y, 0);
1331         if (!the_locking_inset)
1332             return false;
1333         UpdateLocal(bv, CURSOR_PAR, false);
1334         return true;
1335     }
1336     return false;
1337 }
1338
1339
1340 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1341                                       int button)
1342 {
1343     x = x - drawTextXOffset;
1344     y = y + insetAscent;
1345     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1346
1347     if (inset) {
1348         if (x < 0)
1349             x = insetWidth;
1350         if (y < 0)
1351             y = insetDescent;
1352         inset_x = cx(bv) - top_x + drawTextXOffset;
1353         inset_y = cy(bv) + drawTextYOffset;
1354         inset->Edit(bv, x - inset_x, y - inset_y, button);
1355         if (!the_locking_inset)
1356             return false;
1357         UpdateLocal(bv, CURSOR_PAR, false);
1358         return true;
1359     }
1360     return false;
1361 }
1362
1363
1364 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1365 {
1366     int w = UpdatableInset::getMaxWidth(pain, inset);
1367     if (w < 0) {
1368         return w;
1369     }
1370     if (owner()) {
1371         w = w - top_x + owner()->x();
1372         return w;
1373     }
1374     w -= (2 * TEXT_TO_INSET_OFFSET);
1375     return w - top_x;
1376 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1377 }
1378
1379
1380 void InsetText::SetParagraphData(LyXParagraph *p)
1381 {
1382     // delete all instances of LyXText before deleting the paragraps used
1383     // by it.
1384     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1385         delete (*cit).second;
1386         (*cit).second = 0;
1387     }
1388
1389     LyXParagraph * np;
1390     if (par) {
1391         np = par->next;
1392         delete par;
1393         while(np) {
1394             par = np;
1395             np = np->next;
1396             delete par;
1397         }
1398     }
1399     par = p->Clone();
1400     par->SetInsetOwner(this);
1401     np = par;
1402     while(p->next) {
1403         p = p->next;
1404         np->next = p->Clone();
1405         np->next->previous = np;
1406         np = np->next;
1407         np->SetInsetOwner(this);
1408     }
1409     need_update = INIT;
1410 }
1411
1412
1413 void InsetText::SetAutoBreakRows(bool flag)
1414 {
1415     if (flag != autoBreakRows) {
1416         autoBreakRows = flag;
1417         need_update = FULL;
1418         if (!flag)
1419             removeNewlines();
1420     }
1421 }
1422
1423
1424 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1425 {
1426     if (how != drawFrame) {
1427         drawFrame = how;
1428         if (bv)
1429             UpdateLocal(bv, DRAW_FRAME, false);
1430     }
1431 }
1432
1433
1434 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1435 {
1436     if (frame_color != col) {
1437         frame_color = col;
1438         if (bv)
1439             UpdateLocal(bv, DRAW_FRAME, false);
1440     }
1441 }
1442
1443 #if 0
1444 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1445 {
1446     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1447 }
1448 #endif
1449
1450
1451 int InsetText::cx(BufferView * bv) const
1452 {
1453     return TEXT(bv)->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1454 }
1455
1456
1457 int InsetText::cy(BufferView * bv) const
1458 {
1459     LyXFont font;
1460     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1461 }
1462
1463
1464 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1465 {
1466     return TEXT(bv)->cursor.pos();
1467 }
1468
1469
1470 LyXParagraph * InsetText::cpar(BufferView * bv) const
1471 {
1472     return TEXT(bv)->cursor.par();
1473 }
1474
1475
1476 Row * InsetText::crow(BufferView * bv) const
1477 {
1478     return TEXT(bv)->cursor.row();
1479 }
1480
1481
1482 LyXText * InsetText::getLyXText(BufferView * bv) const
1483 {
1484     if ((cache.find(bv) != cache.end()) && cache[bv])
1485         return cache[bv];
1486     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1487     lt->init(bv);
1488     cache[bv] = lt;
1489     if (the_locking_inset) {
1490         lt->SetCursor(bv, inset_par, inset_pos);
1491     }
1492     return lt;
1493 }
1494
1495
1496 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1497 {
1498     if ((cache.find(bv) == cache.end()) || !cache[bv])
1499         return;
1500     delete cache[bv];
1501     cache.erase(bv);
1502     if (recursive) {
1503         /// then remove all LyXText in text-insets
1504         LyXParagraph * p = par;
1505         for (;p;p = p->next) {
1506             p->deleteInsetsLyXText(bv);
1507         }
1508     }
1509 }
1510
1511
1512 void InsetText::resizeLyXText(BufferView * bv) const
1513 {
1514     if (!par->next && !par->size()) // resize not neccessary!
1515         return;
1516     if ((cache.find(bv) == cache.end()) || !cache[bv])
1517         return;
1518
1519     LyXParagraph * lpar = 0;
1520     LyXParagraph * selstartpar = 0;
1521     LyXParagraph * selendpar = 0;
1522     LyXParagraph::size_type pos = 0;
1523     LyXParagraph::size_type selstartpos = 0;
1524     LyXParagraph::size_type selendpos = 0;
1525     int selection = 0;
1526     int mark_set = 0;
1527
1528 //    ProhibitInput(bv);
1529
1530     if (locked) {
1531         lpar = TEXT(bv)->cursor.par();
1532         pos = TEXT(bv)->cursor.pos();
1533         selstartpar = TEXT(bv)->sel_start_cursor.par();
1534         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1535         selendpar = TEXT(bv)->sel_end_cursor.par();
1536         selendpos = TEXT(bv)->sel_end_cursor.pos();
1537         selection = TEXT(bv)->selection;
1538         mark_set = TEXT(bv)->mark_set;
1539     }
1540     deleteLyXText(bv, (the_locking_inset == 0));
1541
1542     if (lpar) {
1543         TEXT(bv)->selection = true;
1544         /* at this point just to avoid the Delete-Empty-Paragraph
1545          * Mechanism when setting the cursor */
1546         TEXT(bv)->mark_set = mark_set;
1547         if (selection) {
1548             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos);
1549             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1550             TEXT(bv)->SetCursor(bv, selendpar, selendpos);
1551             TEXT(bv)->SetSelection();
1552             TEXT(bv)->SetCursor(bv, lpar, pos);
1553         } else {
1554             TEXT(bv)->SetCursor(bv, lpar, pos);
1555             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1556             TEXT(bv)->selection = false;
1557         }
1558     }
1559     if (bv->screen())
1560             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1561     // this will scroll the screen such that the cursor becomes visible
1562     bv->updateScrollbar();
1563 //    AllowInput(bv);
1564     if (the_locking_inset) {
1565         /// then resize all LyXText in text-insets
1566         inset_x = cx(bv) - top_x + drawTextXOffset;
1567         inset_y = cy(bv) + drawTextYOffset;
1568         for (LyXParagraph * p = par; p; p = p->next) {
1569             p->resizeInsetsLyXText(bv);
1570         }
1571     }
1572     need_update = FULL;
1573 }
1574
1575
1576 void InsetText::removeNewlines()
1577 {
1578     for (LyXParagraph * p = par; p; p = p->next) {
1579         for (int i = 0; i < p->Last(); ++i) {
1580             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1581                 p->Erase(i);
1582         }
1583     }
1584 }