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