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 "toolbar.h"
  42 #include "LColor.h"
  43 #include "support/textutils.h"
  44 #include "support/LAssert.h"
  45 #include "lyxrow.h"
  46 #include "lyxrc.h"
  47 #include "intl.h"
  48 #include "trans_mgr.h"
  49 #include "lyxscreen.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 void InsetText::init(InsetText const * ins)
  83 {
  84     top_y = last_width = last_height = 0;
  85     insetAscent = insetDescent = insetWidth = 0;
  86     the_locking_inset = 0;
  87     cursor_visible = false;
  88     interline_space = 1;
  89     no_selection = false;
  90     need_update = INIT;
  91     drawTextXOffset = drawTextYOffset = 0;
  92     autoBreakRows = false;
  93     drawFrame = NEVER;
  94     xpos = 0.0;
  95     if (ins) {
  96         SetParagraphData(ins->par);
  97         autoBreakRows = ins->autoBreakRows;
  98         drawFrame = ins->drawFrame;
  99     }
 100     par->SetInsetOwner(this);
 101     frame_color = LColor::insetframe;
 102     locked = false;
 103     old_par = 0;
 104 }
 105
 106
 107 InsetText::~InsetText()
 108 {
 109     LyXParagraph * p = par->next;
 110     delete par;
 111     while(p) {
 112         par = p;
 113         p = p->next;
 114         delete par;
 115     }
 116 }
 117
 118
 119 Inset * InsetText::Clone() const
 120 {
 121     InsetText * t = new InsetText(*this);
 122     return t;
 123 }
 124
 125
 126 void InsetText::Write(Buffer const * buf, ostream & os) const
 127 {
 128     os << "Text\n";
 129     WriteParagraphData(buf, os);
 130 }
 131
 132
 133 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 134 {
 135     par->writeFile(buf, os, buf->params, 0, 0);
 136 }
 137
 138
 139 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 140 {
 141     string token;
 142     int pos = 0;
 143     LyXParagraph * return_par = 0;
 144     char depth = 0; // signed or unsigned?
 145     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 146     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 147     LyXFont font(LyXFont::ALL_INHERIT);
 148
 149     LyXParagraph * p = par->next;
 150     delete par;
 151     while(p) {
 152         par = p;
 153         p = p->next;
 154         delete par;
 155     }
 156     par = new LyXParagraph;
 157     while (lex.IsOK()) {
 158         lex.nextToken();
 159         token = lex.GetString();
 160         if (token.empty())
 161             continue;
 162         if (token == "\\end_inset")
 163             break;
 164         if (const_cast<Buffer*>(buf)->parseSingleLyXformat2Token(lex, par, return_par,
 165                                             token, pos, depth,
 166                                             font, footnoteflag,
 167                                             footnotekind)) {
 168             // the_end read this should NEVER happen
 169             lex.printError("\\the_end read in inset! Error in document!");
 170             return;
 171         }
 172     }
 173     if (!return_par)
 174             return_par = par;
 175     par = return_par;
 176     while(return_par) {
 177         return_par->SetInsetOwner(this);
 178         return_par = return_par->next;
 179     }
 180
 181     if (token != "\\end_inset") {
 182         lex.printError("Missing \\end_inset at this point. "
 183                        "Read: `$$Token'");
 184     }
 185     need_update = INIT;
 186 }
 187
 188
 189 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 190 {
 191     long int y_temp = 0;
 192     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 193     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 194     return insetAscent;
 195 }
 196
 197
 198 int InsetText::descent(BufferView * bv, LyXFont const &) const
 199 {
 200     long int y_temp = 0;
 201     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 202     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 203         TEXT_TO_INSET_OFFSET;
 204     return insetDescent;
 205 }
 206
 207
 208 int InsetText::width(BufferView * bv, LyXFont const &) const
 209 {
 210     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 211     return insetWidth;
 212 }
 213
 214
 215 int InsetText::textWidth(Painter & pain) const
 216 {
 217     int w = getMaxWidth(pain, this);
 218     if (w < 0) {
 219 //      printf("WW1: %d\n",w);
 220         return w;
 221     }
 222 #if 1
 223     if (owner()) {
 224         w = w - top_x + owner()->x();
 225 //      printf("WW2: %d\n",w);
 226         return w; // - top_x + owner()->x();
 227     }
 228 #endif
 229     w -= (2 * TEXT_TO_INSET_OFFSET);
 230 //    printf("WW2: %d\n",w);
 231     return w - top_x; // - top_x - (2 * TEXT_TO_INSET_OFFSET);
 232 }
 233
 234
 235 void InsetText::draw(BufferView * bv, LyXFont const & f,
 236                      int baseline, float & x, bool cleared) const
 237 {
 238     Painter & pain = bv->painter();
 239
 240     xpos = x;
 241     UpdatableInset::draw(bv, f, baseline, x, cleared);
 242
 243     if (!cleared && ((need_update==FULL) || (top_x!=int(x)) ||
 244                      (top_baseline!=baseline))) {
 245         int w =  insetWidth;
 246         int h = insetAscent + insetDescent;
 247         int ty = baseline - insetAscent;
 248
 249         if (ty < 0)
 250             ty = 0;
 251         if ((ty + h) > pain.paperHeight())
 252             h = pain.paperHeight();
 253         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 254             w = pain.paperWidth();
 255         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 256         cleared = true;
 257         need_update = FULL;
 258     }
 259     if (!cleared && (need_update == NONE))
 260         return;
 261
 262     if (top_x != int(x)) {
 263         need_update = INIT;
 264         top_x = int(x);
 265         owner()->update(bv, f, true);
 266     }
 267
 268     top_baseline = baseline;
 269     top_y = baseline - ascent(bv, f);
 270     last_width = width(bv, f);
 271     last_height = ascent(bv, f) + descent(bv, f);
 272
 273     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 274         inset_x = cx(bv) - top_x + drawTextXOffset;
 275         inset_y = cy(bv) + drawTextYOffset;
 276     }
 277     if (!cleared && (need_update == CURSOR)) {
 278         x += width(bv, f);
 279         need_update = NONE;
 280         return;
 281     }
 282     x += TEXT_TO_INSET_OFFSET; // place for border
 283     long int y = 0;
 284     Row * row = TEXT(bv)->GetRowNearY(y);
 285     y += baseline - row->ascent_of_text() + 1;
 286     if (cleared || !locked || (need_update == FULL)) {
 287         while (row != 0) {
 288             TEXT(bv)->GetVisibleRow(bv, y, x, row, y, cleared);
 289             y += row->height();
 290             row = row->next();
 291         }
 292     } else if (need_update == SELECTION) {
 293         bv->screen()->ToggleToggle(getLyXText(bv), y, x);
 294     } else {
 295         locked = false;
 296         bv->screen()->Update(TEXT(bv), y, x);
 297         locked = true;
 298     }
 299     TEXT(bv)->refresh_y = 0;
 300     TEXT(bv)->status = LyXText::UNCHANGED;
 301     if ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)) {
 302             pain.rectangle(top_x, baseline - insetAscent, insetWidth,
 303                            insetAscent + insetDescent, frame_color);
 304     } else if (need_update == CLEAR_FRAME) {
 305             pain.rectangle(top_x, baseline - insetAscent, insetWidth,
 306                            insetAscent + insetDescent,
 307                            LColor::background);
 308     }
 309     x += insetWidth - TEXT_TO_INSET_OFFSET;
 310     if (need_update != INIT)
 311         need_update = NONE;
 312 }
 313
 314
 315 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 316 {
 317     if (reinit) {  // && (need_update != CURSOR)) {
 318         need_update = INIT;
 319         deleteLyXText(bv);
 320         if (owner())
 321             owner()->update(bv, font, true);
 322         return;
 323     }
 324     if (the_locking_inset)
 325         the_locking_inset->update(bv, font, reinit);
 326     if (need_update == INIT) {
 327         deleteLyXText(bv);
 328         need_update = FULL;
 329 //      if (!owner() && bv->text)
 330 //          bv->text->UpdateInset(bv, this);
 331     }
 332     int oldw = insetWidth;
 333 #if 1
 334     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 335     // max(textWidth(bv->painter()),
 336     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 337     // (2 * TEXT_TO_INSET_OFFSET);
 338 #else
 339     insetWidth = textWidth(bv->painter());
 340     if (insetWidth < 0)
 341             insetWidth = static_cast<int>(TEXT(bv)->width);
 342 #endif
 343     if (oldw != insetWidth) {
 344 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 345 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 346         deleteLyXText(bv);
 347         need_update = FULL;
 348 #if 0
 349         if (owner()) {
 350             owner()->update(bv, font, reinit);
 351             return;
 352         } else {
 353             update(bv, font, reinit);
 354         }
 355 #else
 356 #if 1
 357         update(bv, font, reinit);
 358 #else
 359         UpdateLocal(bv, INIT, false);
 360 #endif
 361 #endif
 362         return;
 363     }
 364     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 365         the_locking_inset)
 366     {
 367         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 368     }
 369
 370     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 371         need_update = FULL;
 372
 373     long int y_temp = 0;
 374     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 375     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 376     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 377         TEXT_TO_INSET_OFFSET;
 378 }
 379
 380
 381 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 382 {
 383     TEXT(bv)->FullRebreak(bv);
 384     if (need_update != INIT) {
 385         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 386             need_update = FULL;
 387         else if (!the_locking_inset || (what != CURSOR))
 388             need_update = what;
 389     }
 390     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED))
 391             bv->updateInset(this, mark_dirty);
 392     if (old_par != cpar(bv)) {
 393             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 394             old_par = cpar(bv);
 395     }
 396 }
 397
 398
 399 char const * InsetText::EditMessage() const
 400 {
 401     return _("Opened Text Inset");
 402 }
 403
 404
 405 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 406 {
 407 //    par->SetInsetOwner(this);
 408     UpdatableInset::Edit(bv, x, y, button);
 409
 410     if (!bv->lockInset(this)) {
 411         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 412         return;
 413     }
 414     locked = true;
 415     the_locking_inset = 0;
 416     inset_pos = inset_x = inset_y = 0;
 417     inset_par = 0;
 418     if (!checkAndActivateInset(bv, x, y, button))
 419         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 420                                            y+TEXT(bv)->first+insetAscent);
 421     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 422     bv->text->FinishUndo();
 423     UpdateLocal(bv, FULL, false);
 424 }
 425
 426
 427 void InsetText::InsetUnlock(BufferView * bv)
 428 {
 429     if (the_locking_inset) {
 430         the_locking_inset->InsetUnlock(bv);
 431         the_locking_inset = 0;
 432     }
 433     HideInsetCursor(bv);
 434     no_selection = false;
 435     locked = false;
 436     TEXT(bv)->selection = 0;
 437     UpdateLocal(bv, CLEAR_FRAME, false);
 438     bv->owner()->getToolbar()->combox->select(bv->text->cursor.par()->GetLayout()+1);
 439 }
 440
 441
 442 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 443 {
 444     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 445     if (!inset)
 446         return false;
 447     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 448         lyxerr[Debug::INSETS] << "OK" << endl;
 449         the_locking_inset = inset;
 450         inset_x = cx(bv) - top_x + drawTextXOffset;
 451         inset_y = cy(bv) + drawTextYOffset;
 452         inset_pos = cpos(bv);
 453         inset_par = cpar(bv);
 454         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 455         return true;
 456     } else if (the_locking_inset && (the_locking_inset == inset)) {
 457         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 458             lyxerr[Debug::INSETS] << "OK" << endl;
 459             inset_x = cx(bv) - top_x + drawTextXOffset;
 460             inset_y = cy(bv) + drawTextYOffset;
 461         } else {
 462             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 463         }
 464     } else if (the_locking_inset) {
 465         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 466         return the_locking_inset->LockInsetInInset(bv, inset);
 467     }
 468     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 469     return false;
 470 }
 471
 472
 473 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 474                                    bool lr)
 475 {
 476     if (!the_locking_inset)
 477         return false;
 478     if (the_locking_inset == inset) {
 479         the_locking_inset->InsetUnlock(bv);
 480         TEXT(bv)->UpdateInset(bv, inset);
 481         the_locking_inset = 0;
 482         if (lr)
 483             moveRight(bv, false);
 484         UpdateLocal(bv, CURSOR_PAR, false);
 485         return true;
 486     }
 487     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 488 }
 489
 490
 491 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 492 {
 493     if (!the_locking_inset)
 494         return false;
 495     if (the_locking_inset != inset) {
 496         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 497         need_update = CURSOR_PAR;
 498         return the_locking_inset->UpdateInsetInInset(bv, inset);
 499     }
 500 //    UpdateLocal(bv, FULL, false);
 501     if (TEXT(bv)->UpdateInset(bv, inset))
 502         UpdateLocal(bv, CURSOR_PAR, false);
 503     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 504         inset_x = cx(bv) - top_x + drawTextXOffset;
 505         inset_y = cy(bv) + drawTextYOffset;
 506     }
 507     return true;
 508 }
 509
 510
 511 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 512 {
 513     if (TEXT(bv)->selection) {
 514         TEXT(bv)->selection = 0;
 515         UpdateLocal(bv, FULL, false);
 516     }
 517     no_selection = false;
 518
 519     int tmp_x = x - drawTextXOffset;
 520 //    int tmp_y = y + TEXT(bv)->first + insetAscent;
 521     int tmp_y = y + insetAscent;
 522     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 523
 524     if (the_locking_inset) {
 525         if (the_locking_inset == inset) {
 526             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 527             return;
 528         } else if (inset) {
 529             // otherwise unlock the_locking_inset and lock the new inset
 530             the_locking_inset->InsetUnlock(bv);
 531             inset_x = cx(bv) - top_x + drawTextXOffset;
 532             inset_y = cy(bv) + drawTextYOffset;
 533             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 534             inset->Edit(bv, x - inset_x, y - inset_y, button);
 535             if (the_locking_inset) {
 536                 UpdateLocal(bv, CURSOR_PAR, false);
 537             }
 538             return;
 539         }
 540         // otherwise only unlock the_locking_inset
 541         the_locking_inset->InsetUnlock(bv);
 542         the_locking_inset = 0;
 543     }
 544     if (bv->the_locking_inset) {
 545         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 546             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 547             inset_x = cx(bv) - top_x + drawTextXOffset;
 548             inset_y = cy(bv) + drawTextYOffset;
 549             inset_pos = cpos(bv);
 550             inset_par = cpar(bv);
 551             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 552             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 553             if (the_locking_inset) {
 554                 UpdateLocal(bv, CURSOR_PAR, false);
 555             }
 556             return;
 557         }
 558     }
 559     if (!inset)
 560         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 561                                            y+TEXT(bv)->first+insetAscent);
 562 }
 563
 564
 565 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 566 {
 567     UpdatableInset * inset = 0;
 568
 569     if (the_locking_inset) {
 570             the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
 571     } else {
 572         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 573             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 574             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 575                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 576             } else {
 577                 inset_x = cx(bv) - top_x + drawTextXOffset;
 578                 inset_y = cy(bv) + drawTextYOffset;
 579                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 580                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 581             }
 582             UpdateLocal(bv, CURSOR_PAR, false);
 583         }
 584     }
 585     no_selection = false;
 586 }
 587
 588
 589 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 590 {
 591     if (the_locking_inset) {
 592         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 593                                              y - inset_y,state);
 594         return;
 595     }
 596 #warning REDO this (Jug)
 597     if (!no_selection) {
 598 //      LyXCursor old = selection_end_cursor;
 599         HideInsetCursor(bv);
 600 //      setPos(bv->painter(), x, y);
 601 //      selection_end_cursor = cursor;
 602 //      if (old != selection_end_cursor)
 603 //          UpdateLocal(bv, false, false);
 604         ShowInsetCursor(bv);
 605     }
 606     no_selection = false;
 607 }
 608
 609
 610 void InsetText::InsetKeyPress(XKeyEvent * xke)
 611 {
 612     if (the_locking_inset) {
 613         the_locking_inset->InsetKeyPress(xke);
 614         return;
 615     }
 616 }
 617
 618
 619 UpdatableInset::RESULT
 620 InsetText::LocalDispatch(BufferView * bv,
 621                          int action, string const & arg)
 622 {
 623     no_selection = false;
 624     UpdatableInset::RESULT
 625         result= UpdatableInset::LocalDispatch(bv, action, arg);
 626     if (result != UNDISPATCHED) {
 627 //      resetPos(bv->painter());
 628         return DISPATCHED;
 629     }
 630
 631     result=DISPATCHED;
 632     if ((action < 0) && arg.empty())
 633         return FINISHED;
 634
 635     if (the_locking_inset) {
 636         result = the_locking_inset->LocalDispatch(bv, action, arg);
 637         if (result == DISPATCHED_NOUPDATE)
 638             return result;
 639         else if (result == DISPATCHED) {
 640             UpdateLocal(bv, CURSOR_PAR, false);
 641             return result;
 642         } else if (result == FINISHED) {
 643             switch(action) {
 644             case -1:
 645             case LFUN_RIGHT:
 646                 moveRight(bv, false);
 647                 break;
 648             case LFUN_DOWN:
 649                 moveDown(bv);
 650                 break;
 651             }
 652             the_locking_inset = 0;
 653             return DISPATCHED;
 654         }
 655     }
 656     HideInsetCursor(bv);
 657     switch (action) {
 658         // Normal chars
 659     case -1:
 660         if (bv->buffer()->isReadonly()) {
 661             LyXBell();
 662 //          setErrorMessage(N_("Document is read only"));
 663             break;
 664         }
 665         if (!arg.empty()) {
 666             /* Automatically delete the currently selected
 667              * text and replace it with what is being
 668              * typed in now. Depends on lyxrc settings
 669              * "auto_region_delete", which defaults to
 670              * true (on). */
 671
 672             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 673                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 674                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 675             if (lyxrc.auto_region_delete) {
 676                 if (TEXT(bv)->selection){
 677                     TEXT(bv)->CutSelection(bv, false);
 678                 }
 679             }
 680             TEXT(bv)->ClearSelection();
 681             for (string::size_type i = 0; i < arg.length(); ++i) {
 682                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 683             }
 684         }
 685         UpdateLocal(bv, CURSOR_PAR, true);
 686         break;
 687         // --- Cursor Movements ---------------------------------------------
 688     case LFUN_RIGHTSEL:
 689         bv->text->FinishUndo();
 690         moveRight(bv, false);
 691         TEXT(bv)->SetSelection();
 692         UpdateLocal(bv, SELECTION, false);
 693         break;
 694     case LFUN_RIGHT:
 695         bv->text->FinishUndo();
 696         result = moveRight(bv);
 697         TEXT(bv)->selection = 0;
 698         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 699         UpdateLocal(bv, CURSOR, false);
 700         break;
 701     case LFUN_LEFTSEL:
 702         bv->text->FinishUndo();
 703         moveLeft(bv, false);
 704         TEXT(bv)->SetSelection();
 705         UpdateLocal(bv, SELECTION, false);
 706         break;
 707     case LFUN_LEFT:
 708         bv->text->FinishUndo();
 709         result= moveLeft(bv);
 710         TEXT(bv)->selection = 0;
 711         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 712         UpdateLocal(bv, CURSOR, false);
 713         break;
 714     case LFUN_DOWNSEL:
 715         bv->text->FinishUndo();
 716         moveDown(bv);
 717         TEXT(bv)->SetSelection();
 718         UpdateLocal(bv, SELECTION, false);
 719         break;
 720     case LFUN_DOWN:
 721         bv->text->FinishUndo();
 722         result = moveDown(bv);
 723         TEXT(bv)->selection = 0;
 724         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 725         UpdateLocal(bv, CURSOR, false);
 726         break;
 727     case LFUN_UPSEL:
 728         bv->text->FinishUndo();
 729         moveUp(bv);
 730         TEXT(bv)->SetSelection();
 731         UpdateLocal(bv, SELECTION, false);
 732         break;
 733     case LFUN_UP:
 734         bv->text->FinishUndo();
 735         result = moveUp(bv);
 736         TEXT(bv)->selection = 0;
 737         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 738         UpdateLocal(bv, CURSOR, false);
 739         break;
 740     case LFUN_HOME:
 741         bv->text->FinishUndo();
 742         TEXT(bv)->CursorHome(bv);
 743         TEXT(bv)->selection = 0;
 744         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 745         UpdateLocal(bv, CURSOR, false);
 746         break;
 747     case LFUN_END:
 748         TEXT(bv)->CursorEnd(bv);
 749         TEXT(bv)->selection = 0;
 750         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 751         UpdateLocal(bv, CURSOR, false);
 752         break;
 753     case LFUN_BACKSPACE:
 754         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 755           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 756           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 757         TEXT(bv)->Backspace(bv);
 758         UpdateLocal(bv, CURSOR_PAR, true);
 759         break;
 760     case LFUN_DELETE:
 761         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 762           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 763           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 764         TEXT(bv)->Delete(bv);
 765         UpdateLocal(bv, CURSOR_PAR, true);
 766         break;
 767     case LFUN_CUT:
 768         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 769           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 770           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 771         TEXT(bv)->CutSelection(bv);
 772         UpdateLocal(bv, CURSOR_PAR, true);
 773         break;
 774     case LFUN_COPY:
 775         bv->text->FinishUndo();
 776         TEXT(bv)->CopySelection(bv);
 777         UpdateLocal(bv, CURSOR_PAR, false);
 778         break;
 779     case LFUN_PASTE:
 780         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 781           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 782           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 783         TEXT(bv)->PasteSelection(bv);
 784         UpdateLocal(bv, CURSOR_PAR, true);
 785         break;
 786     case LFUN_BREAKPARAGRAPH:
 787         if (!autoBreakRows)
 788             return DISPATCHED;
 789         TEXT(bv)->BreakParagraph(bv, 0);
 790         UpdateLocal(bv, FULL, true);
 791         break;
 792     case LFUN_BREAKLINE:
 793         if (!autoBreakRows)
 794             return DISPATCHED;
 795         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 796             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 797             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 798         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 799         UpdateLocal(bv, CURSOR_PAR, true);
 800         break;
 801     case LFUN_LAYOUT:
 802     {
 803       static LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 804
 805         // Derive layout number from given argument (string)
 806         // and current buffer's textclass (number). */
 807         LyXTextClassList::ClassList::size_type tclass =
 808             bv->buffer()->params.textclass;
 809         std::pair <bool, LyXTextClass::size_type> layout =
 810             textclasslist.NumberOfLayout(tclass, arg);
 811
 812         // If the entry is obsolete, use the new one instead.
 813         if (layout.first) {
 814             string obs = textclasslist.Style(tclass,layout.second).
 815                 obsoleted_by();
 816             if (!obs.empty())
 817                 layout = textclasslist.NumberOfLayout(tclass, obs);
 818         }
 819
 820         // see if we found the layout number:
 821         if (!layout.first) {
 822             string msg = string(N_("Layout ")) + arg + N_(" not known");
 823
 824             bv->owner()->getMiniBuffer()->Set(msg);
 825             break;
 826         }
 827
 828         if (cur_layout != layout.second) {
 829             cur_layout = layout.second;
 830             TEXT(bv)->SetLayout(bv, layout.second);
 831             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 832             UpdateLocal(bv, CURSOR_PAR, true);
 833         }
 834     }
 835     break;
 836     case LFUN_PARAGRAPH_SPACING:
 837             // This one is absolutely not working. When fiddling with this
 838             // it also seems to me that the paragraphs inside the insettext
 839             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
 840     {
 841             LyXParagraph * par = TEXT(bv)->cursor.par();
 842             Spacing::Space cur_spacing = par->spacing.getSpace();
 843             float cur_value = 1.0;
 844             if (cur_spacing == Spacing::Other) {
 845                     cur_value = par->spacing.getValue();
 846             }
 847
 848 #ifdef HAVE_SSTREAM
 849             std::istringstream istr(arg);
 850 #else
 851             istrstream istr(arg.c_str());
 852 #endif
 853             string tmp;
 854             istr >> tmp;
 855             Spacing::Space new_spacing = cur_spacing;
 856             float new_value = cur_value;
 857             if (tmp.empty()) {
 858                     lyxerr << "Missing argument to `paragraph-spacing'"
 859                            << endl;
 860             } else if (tmp == "single") {
 861                     new_spacing = Spacing::Single;
 862             } else if (tmp == "onehalf") {
 863                     new_spacing = Spacing::Onehalf;
 864             } else if (tmp == "double") {
 865                     new_spacing = Spacing::Double;
 866             } else if (tmp == "other") {
 867                     new_spacing = Spacing::Other;
 868                     float tmpval = 0.0;
 869                     istr >> tmpval;
 870                     lyxerr << "new_value = " << tmpval << endl;
 871                     if (tmpval != 0.0)
 872                             new_value = tmpval;
 873             } else if (tmp == "default") {
 874                     new_spacing = Spacing::Default;
 875             } else {
 876                     lyxerr << _("Unknown spacing argument: ")
 877                            << arg << endl;
 878             }
 879             if (cur_spacing != new_spacing || cur_value != new_value) {
 880                     par->spacing.set(new_spacing, new_value);
 881                     //TEXT(bv)->RedoParagraph(owner->view());
 882                     UpdateLocal(bv, CURSOR_PAR, true);
 883                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 884             }
 885     }
 886     break;
 887
 888     default:
 889         result = UNDISPATCHED;
 890         break;
 891     }
 892     if (result != FINISHED) {
 893         ShowInsetCursor(bv);
 894     } else
 895         bv->unlockInset(this);
 896     return result;
 897 }
 898
 899
 900 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
 901 {
 902     TexRow texrow;
 903     buf->latexParagraphs(os, par, 0, texrow);
 904     return texrow.rows();
 905 }
 906
 907
 908 void InsetText::Validate(LaTeXFeatures & features) const
 909 {
 910     LyXParagraph * p = par;
 911     while(p) {
 912         p->validate(features);
 913         p = p->next;
 914     }
 915 }
 916
 917
 918 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
 919 {
 920     if (textclasslist.Style(buf->params.textclass,
 921                             p->GetLayout()).labeltype != LABEL_MANUAL)
 922         return 0;
 923     else
 924         return p->BeginningOfMainBody();
 925 }
 926
 927
 928 void InsetText::GetCursorPos(BufferView * bv, int & x, int & y) const
 929 {
 930     x = cx(bv);
 931     y = cy(bv);
 932 }
 933
 934
 935 int InsetText::InsetInInsetY()
 936 {
 937     if (!the_locking_inset)
 938         return 0;
 939
 940     return (inset_y + the_locking_inset->InsetInInsetY());
 941 }
 942
 943
 944 void InsetText::ToggleInsetCursor(BufferView * bv)
 945 {
 946     if (the_locking_inset) {
 947         the_locking_inset->ToggleInsetCursor(bv);
 948         return;
 949     }
 950
 951     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 952
 953     int asc = lyxfont::maxAscent(font);
 954     int desc = lyxfont::maxDescent(font);
 955
 956     if (cursor_visible)
 957         bv->hideLockedInsetCursor();
 958     else
 959         bv->showLockedInsetCursor(cx(bv), cy(bv),
 960                                   asc, desc);
 961     cursor_visible = !cursor_visible;
 962 }
 963
 964
 965 void InsetText::ShowInsetCursor(BufferView * bv)
 966 {
 967     if (the_locking_inset) {
 968         the_locking_inset->ShowInsetCursor(bv);
 969         return;
 970     }
 971     if (!cursor_visible) {
 972         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 973
 974         int asc = lyxfont::maxAscent(font);
 975         int desc = lyxfont::maxDescent(font);
 976
 977         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 978         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 979         cursor_visible = true;
 980     }
 981 }
 982
 983
 984 void InsetText::HideInsetCursor(BufferView * bv)
 985 {
 986     if (cursor_visible) {
 987         bv->hideLockedInsetCursor();
 988         cursor_visible = false;
 989     }
 990     if (the_locking_inset)
 991         the_locking_inset->HideInsetCursor(bv);
 992 }
 993
 994
 995 UpdatableInset::RESULT
 996 InsetText::moveRight(BufferView * bv, bool activate_inset)
 997 {
 998     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
 999         return FINISHED;
1000     if (activate_inset && checkAndActivateInset(bv, false))
1001         return DISPATCHED;
1002     TEXT(bv)->CursorRight(bv);
1003     return DISPATCHED_NOUPDATE;
1004 }
1005
1006
1007 UpdatableInset::RESULT
1008 InsetText::moveLeft(BufferView * bv, bool activate_inset)
1009 {
1010     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1011         return FINISHED;
1012     TEXT(bv)->CursorLeft(bv);
1013     if (activate_inset && checkAndActivateInset(bv, true))
1014         return DISPATCHED;
1015     return DISPATCHED_NOUPDATE;
1016 }
1017
1018
1019 UpdatableInset::RESULT
1020 InsetText::moveUp(BufferView * bv)
1021 {
1022     if (!crow(bv)->previous())
1023         return FINISHED;
1024     TEXT(bv)->CursorUp(bv);
1025     return DISPATCHED_NOUPDATE;
1026 }
1027
1028
1029 UpdatableInset::RESULT
1030 InsetText::moveDown(BufferView * bv)
1031 {
1032     if (!crow(bv)->next())
1033         return FINISHED;
1034     TEXT(bv)->CursorDown(bv);
1035     return DISPATCHED_NOUPDATE;
1036 }
1037
1038
1039 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1040 {
1041     if (the_locking_inset) {
1042         if (the_locking_inset->InsertInsetAllowed(inset))
1043             return the_locking_inset->InsertInset(bv, inset);
1044         return false;
1045     }
1046     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1047               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1048               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
1049     if (inset->Editable() == Inset::IS_EDITABLE) {
1050         UpdatableInset * i = static_cast<UpdatableInset *>(inset);
1051         i->setOwner(static_cast<UpdatableInset *>(this));
1052     }
1053     TEXT(bv)->InsertInset(bv, inset);
1054     TEXT(bv)->selection = 0;
1055     UpdateLocal(bv, CURSOR_PAR, true);
1056     static_cast<UpdatableInset*>(inset)->Edit(bv, 0, 0, 0);
1057     return true;
1058 }
1059
1060
1061 UpdatableInset * InsetText::GetLockingInset()
1062 {
1063     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1064 }
1065
1066
1067 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1068 {
1069     if (c == LyxCode())
1070         return this;
1071     if (the_locking_inset)
1072         return the_locking_inset->GetFirstLockingInsetOfType(c);
1073     return 0;
1074 }
1075
1076
1077 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1078 {
1079     TEXT(bv)->SetFont(bv, font, toggleall);
1080 }
1081
1082
1083 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1084 {
1085     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1086         int x, y;
1087         Inset * inset =
1088             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1089         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1090             return false;
1091         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1092         if (behind) {
1093             x = inset->width(bv, font);
1094             y = inset->descent(bv, font);
1095         } else {
1096             x = y = 0;
1097         }
1098         inset_x = cx(bv) - top_x + drawTextXOffset;
1099         inset_y = cy(bv) + drawTextYOffset;
1100         inset->Edit(bv, x-inset_x, y-inset_y, 0);
1101         if (!the_locking_inset)
1102             return false;
1103         UpdateLocal(bv, CURSOR_PAR, false);
1104         return true;
1105     }
1106     return false;
1107 }
1108
1109
1110 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1111                                       int button)
1112 {
1113     int tmp_x = x - drawTextXOffset;
1114     int tmp_y = y + insetAscent;
1115     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
1116
1117     if (inset) {
1118         if (x < 0)
1119             x = insetWidth;
1120         if (y < 0)
1121             y = insetDescent;
1122         inset_x = cx(bv) - top_x + drawTextXOffset;
1123         inset_y = cy(bv) + drawTextYOffset;
1124         inset->Edit(bv, x - inset_x, y - inset_y, button);
1125         if (!the_locking_inset)
1126             return false;
1127         UpdateLocal(bv, CURSOR_PAR, false);
1128         return true;
1129     }
1130     return false;
1131 }
1132
1133
1134 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1135 {
1136     int w = UpdatableInset::getMaxWidth(pain, inset);
1137     if (w < 0)
1138         return w;
1139     return  w - (2*TEXT_TO_INSET_OFFSET);
1140 }
1141
1142
1143 void InsetText::SetParagraphData(LyXParagraph *p)
1144 {
1145     LyXParagraph * np;
1146
1147     if (par) {
1148         np = par->next;
1149         delete par;
1150         while(np) {
1151             par = np;
1152             np = np->next;
1153             delete par;
1154         }
1155     }
1156     par = p->Clone();
1157     par->SetInsetOwner(this);
1158     np = par;
1159     while(p->next) {
1160         p = p->next;
1161         np->next = p->Clone();
1162         np->next->previous = np;
1163         np = np->next;
1164         np->SetInsetOwner(this);
1165     }
1166     need_update = INIT;
1167 }
1168
1169
1170 void InsetText::SetAutoBreakRows(bool flag)
1171 {
1172     if (flag != autoBreakRows) {
1173         autoBreakRows = flag;
1174         need_update = FULL;
1175     }
1176 }
1177
1178
1179 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1180 {
1181     if (how != drawFrame) {
1182         drawFrame = how;
1183         if (bv)
1184             UpdateLocal(bv, DRAW_FRAME, false);
1185     }
1186 }
1187
1188
1189 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1190 {
1191     if (frame_color != col) {
1192         frame_color = col;
1193         if (bv)
1194             UpdateLocal(bv, DRAW_FRAME, false);
1195     }
1196 }
1197
1198 #if 0
1199 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1200 {
1201     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1202 }
1203 #endif
1204
1205 int InsetText::cx(BufferView * bv) const
1206 {
1207     return TEXT(bv)->cursor.x() + top_x + 1;
1208 }
1209
1210
1211 int InsetText::cy(BufferView * bv) const
1212 {
1213     long int y_dummy = 0;
1214     Row * tmprow = TEXT(bv)->GetRowNearY(y_dummy);
1215     return TEXT(bv)->cursor.y() - tmprow->baseline();
1216 }
1217
1218
1219 int InsetText::cpos(BufferView * bv) const
1220 {
1221     return TEXT(bv)->cursor.pos();
1222 }
1223
1224
1225 LyXParagraph * InsetText::cpar(BufferView * bv) const
1226 {
1227     return TEXT(bv)->cursor.par();
1228 }
1229
1230
1231 Row * InsetText::crow(BufferView * bv) const
1232 {
1233     return TEXT(bv)->cursor.row();
1234 }
1235
1236
1237 LyXText * InsetText::getLyXText(BufferView * bv) const
1238 {
1239     if (cache.find(bv) != cache.end())
1240         return cache[bv];
1241     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1242     lt->init(bv);
1243     cache[bv] = lt;
1244     if (the_locking_inset) {
1245         lt->SetCursor(bv, inset_par, inset_pos);
1246     }
1247     return lt;
1248 }
1249
1250
1251 void InsetText::deleteLyXText(BufferView * bv) const
1252 {
1253     cache.erase(bv);
1254     /// then remove all LyXText in text-insets
1255     LyXParagraph * p = par;
1256     for(;p;p = p->next) {
1257             p->deleteInsetsLyXText(bv);
1258     }
1259 }