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 #define TEXT(a) getLyXText(a)
  60
  61 InsetText::InsetText()
  62 {
  63     par = new LyXParagraph();
  64     init();
  65 }
  66
  67
  68 InsetText::InsetText(InsetText const & ins)
  69         : UpdatableInset()
  70 {
  71     par = 0;
  72     init(&ins);
  73     autoBreakRows = ins.autoBreakRows;
  74 }
  75
  76
  77 InsetText & InsetText::operator=(InsetText const & it)
  78 {
  79     init(&it);
  80     autoBreakRows = it.autoBreakRows;
  81     return * this;
  82 }
  83
  84 void InsetText::init(InsetText const * ins)
  85 {
  86     insetAscent = insetDescent = insetWidth = 0;
  87     the_locking_inset = 0;
  88     cursor_visible = false;
  89     interline_space = 1;
  90     no_selection = false;
  91     need_update = INIT;
  92     drawTextXOffset = drawTextYOffset = 0;
  93     autoBreakRows = drawLockedFrame = false;
  94     xpos = 0.0;
  95     if (ins) {
  96         SetParagraphData(ins->par);
  97         autoBreakRows = ins->autoBreakRows;
  98         drawLockedFrame = ins->drawLockedFrame;
  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;
 110     p = par->next;
 111     delete par;
 112     while(p) {
 113         par = p;
 114         p = p->next;
 115         delete par;
 116     }
 117 }
 118
 119
 120 Inset * InsetText::Clone() const
 121 {
 122     InsetText * t = new InsetText(*this);
 123     return t;
 124 }
 125
 126
 127 void InsetText::Write(Buffer const * buf, ostream & os) const
 128 {
 129     os << "Text\n";
 130     WriteParagraphData(buf, os);
 131 }
 132
 133
 134 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 135 {
 136     par->writeFile(buf, os, buf->params, 0, 0);
 137 }
 138
 139
 140 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 141 {
 142     string token, tmptok;
 143     int pos = 0;
 144     LyXParagraph * return_par = 0;
 145     char depth = 0; // signed or unsigned?
 146     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 147     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 148     LyXFont font(LyXFont::ALL_INHERIT);
 149
 150     LyXParagraph * p;
 151     p = par->next;
 152     delete par;
 153     while(p) {
 154         par = p;
 155         p = p->next;
 156         delete par;
 157     }
 158     par = new LyXParagraph;
 159     while (lex.IsOK()) {
 160         lex.nextToken();
 161         token = lex.GetString();
 162         if (token.empty())
 163             continue;
 164         if (token == "\\end_inset")
 165             break;
 166         if (const_cast<Buffer*>(buf)->parseSingleLyXformat2Token(lex, par, return_par,
 167                                             token, pos, depth,
 168                                             font, footnoteflag,
 169                                             footnotekind)) {
 170             // the_end read this should NEVER happen
 171             lex.printError("\\the_end read in inset! Error in document!");
 172             return;
 173         }
 174     }
 175     if (!return_par)
 176             return_par = par;
 177     par = return_par;
 178     while(return_par) {
 179         return_par->SetInsetOwner(this);
 180         return_par = return_par->next;
 181     }
 182
 183     if (token != "\\end_inset") {
 184         lex.printError("Missing \\end_inset at this point. "
 185                        "Read: `$$Token'");
 186     }
 187     need_update = INIT;
 188 }
 189
 190
 191 int InsetText::ascent(Painter &, LyXFont const &) const
 192 {
 193     return insetAscent;
 194 }
 195
 196
 197 int InsetText::descent(Painter &, LyXFont const &) const
 198 {
 199     return insetDescent;
 200 }
 201
 202
 203 int InsetText::width(Painter &, LyXFont const &) const
 204 {
 205     return insetWidth;
 206 }
 207
 208
 209 void InsetText::draw(BufferView * bv, LyXFont const & f,
 210                      int baseline, float & x) const
 211 {
 212     Painter & pain = bv->painter();
 213
 214     xpos = x;
 215     UpdatableInset::draw(bv, f, baseline, x);
 216
 217     if (locked && ((need_update==FULL) || (top_x!=int(x)) ||
 218                    (top_baseline!=baseline))) {
 219         need_update = NONE;
 220         top_x = int(x);
 221         top_baseline = baseline;
 222         locked = false;
 223         bv->updateInset(const_cast<InsetText *>(this), false);
 224         locked = true;
 225         if (drawLockedFrame)
 226                 pain.rectangle(top_x, baseline - ascent(pain, f),
 227                                width(pain, f), ascent(pain,f)+descent(pain, f),
 228                                frame_color);
 229         return;
 230     }
 231     top_baseline = baseline;
 232     top_x = int(x);
 233
 234     if (the_locking_inset && (cpos(bv) == inset_pos)) {
 235         inset_x = cx(bv) - top_x + drawTextXOffset;
 236         inset_y = cy(bv) + drawTextYOffset;
 237     }
 238     x += TEXT_TO_INSET_OFFSET; // place for border
 239     long int y = 0;
 240     Row * row = TEXT(bv)->GetRowNearY(y);
 241     y += baseline - row->ascent_of_text() + 1;
 242     if (!locked || (need_update == FULL)) {
 243         while (row != 0) {
 244             TEXT(bv)->GetVisibleRow(bv, y, x, row, y);
 245             y += row->height();
 246             row = row->next();
 247         }
 248     } else if (need_update == SELECTION) {
 249         bv->screen()->ToggleToggle(getLyXText(bv), y, x);
 250     } else {
 251         locked = false;
 252         bv->screen()->Update(TEXT(bv), y, x);
 253         locked = true;
 254     }
 255     if (drawLockedFrame && locked) {
 256             pain.rectangle(top_x, baseline - ascent(pain, f), width(pain, f),
 257                            ascent(pain,f) + descent(pain, f), frame_color);
 258     }
 259     x += width(pain, f) - TEXT_TO_INSET_OFFSET;
 260     need_update = NONE;
 261 }
 262
 263
 264 void InsetText::update(BufferView * bv, LyXFont const & font, bool dodraw)
 265 {
 266     if (the_locking_inset)
 267         the_locking_inset->update(bv, font, dodraw);
 268     if (need_update == INIT) {
 269         deleteLyXText(bv);
 270         need_update = FULL;
 271     }
 272     if (dodraw)
 273             need_update = FULL;
 274
 275     TEXT(bv)->FullRebreak(bv);
 276
 277     long int y_temp = 0;
 278     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 279     insetAscent = row->ascent_of_text() + 2;
 280     insetDescent = TEXT(bv)->height - row->ascent_of_text() + 2;
 281     insetWidth = max(getMaxTextWidth(bv->painter(), this), TEXT(bv)->width);
 282 }
 283
 284
 285 char const * InsetText::EditMessage() const
 286 {
 287     return _("Opened Text Inset");
 288 }
 289
 290
 291 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 292 {
 293 //    par->SetInsetOwner(this);
 294     UpdatableInset::Edit(bv, x, y, button);
 295
 296     if (!bv->lockInset(this)) {
 297         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 298         return;
 299     }
 300     locked = true;
 301     the_locking_inset = 0;
 302     inset_pos = inset_x = inset_y = 0;
 303 //    setPos(bv->painter(), x, y);
 304     checkAndActivateInset(bv, x, y, button);
 305 //    selection_start_cursor = selection_end_cursor = cursor;
 306     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 307     bv->text->FinishUndo();
 308     UpdateLocal(bv, FULL, false);
 309 }
 310
 311
 312 void InsetText::InsetUnlock(BufferView * bv)
 313 {
 314     if (the_locking_inset) {
 315         the_locking_inset->InsetUnlock(bv);
 316         the_locking_inset = 0;
 317     }
 318     HideInsetCursor(bv);
 319     lyxerr[Debug::INSETS] << "InsetText::InsetUnlock(" << this <<
 320             ")" << endl;
 321     no_selection = false;
 322     locked = false;
 323     TEXT(bv)->selection = 0;
 324     UpdateLocal(bv, FULL, false);
 325     bv->owner()->getToolbar()->combox->select(bv->text->cursor.par()->GetLayout()+1);
 326 }
 327
 328
 329 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 330 {
 331     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 332     if (!inset)
 333         return false;
 334     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 335         lyxerr[Debug::INSETS] << "OK" << endl;
 336         the_locking_inset = inset;
 337 //      resetPos(bv->painter());
 338         inset_x = cx(bv) - top_x + drawTextXOffset;
 339         inset_y = cy(bv) + drawTextYOffset;
 340         inset_pos = cpos(bv);
 341         return true;
 342     } else if (the_locking_inset && (the_locking_inset == inset)) {
 343         if (cpos(bv) == inset_pos) {
 344             lyxerr[Debug::INSETS] << "OK" << endl;
 345 //          resetPos(bv->painter());
 346             inset_x = cx(bv) - top_x + drawTextXOffset;
 347             inset_y = cy(bv) + drawTextYOffset;
 348         } else {
 349             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 350         }
 351     } else if (the_locking_inset) {
 352         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 353         return the_locking_inset->LockInsetInInset(bv, inset);
 354     }
 355     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 356     return false;
 357 }
 358
 359
 360 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 361                                    bool lr)
 362 {
 363     if (!the_locking_inset)
 364         return false;
 365     if (the_locking_inset == inset) {
 366         the_locking_inset->InsetUnlock(bv);
 367         the_locking_inset = 0;
 368         if (lr)
 369             moveRight(bv, false);
 370         return true;
 371     }
 372     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 373 }
 374
 375
 376 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 377 {
 378     if (!the_locking_inset)
 379         return false;
 380     if (the_locking_inset != inset)
 381         return the_locking_inset->UpdateInsetInInset(bv, inset);
 382     lyxerr[Debug::INSETS] << "InsetText::UpdateInsetInInset(" << inset <<
 383             ")" << endl;
 384     UpdateLocal(bv, FULL, false);
 385     if (cpos(bv) == inset_pos) {
 386         inset_x = cx(bv) - top_x + drawTextXOffset;
 387         inset_y = cy(bv) + drawTextYOffset;
 388     }
 389     return true;
 390 }
 391
 392
 393 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 394 {
 395     if (TEXT(bv)->selection) {
 396         TEXT(bv)->selection = 0;
 397         UpdateLocal(bv, FULL, false);
 398     }
 399     no_selection = false;
 400 //    setPos(bv->painter(), x, y);
 401 //    cursor.x_fix(-1);
 402     TEXT(bv)->SetCursorFromCoordinates(bv, x, y+TEXT(bv)->first);
 403     if (the_locking_inset) {
 404         UpdatableInset * inset = 0;
 405         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET)
 406             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 407         if (the_locking_inset == inset) {
 408             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 409             return;
 410         } else if (inset) {
 411             // otherwise unlock the_locking_inset and lock the new inset
 412             the_locking_inset->InsetUnlock(bv);
 413             inset_x = cx(bv) - top_x + drawTextXOffset;
 414             inset_y = cy(bv) + drawTextYOffset;
 415             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 416             inset->Edit(bv, x - inset_x, y - inset_y, button);
 417             UpdateLocal(bv, FULL, false);
 418             return;
 419         }
 420         // otherwise only unlock the_locking_inset
 421         the_locking_inset->InsetUnlock(bv);
 422         the_locking_inset = 0;
 423     }
 424     if (bv->the_locking_inset) {
 425         if ((cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) &&
 426             cpar(bv)->GetInset(cpos(bv)) &&
 427             (cpar(bv)->GetInset(cpos(bv))->Editable() == Inset::HIGHLY_EDITABLE)) {
 428             UpdatableInset * inset =
 429                 static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 430             inset_x = cx(bv) - top_x + drawTextXOffset;
 431             inset_y = cy(bv) + drawTextYOffset;
 432             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 433             inset->Edit(bv, x - inset_x, y - inset_y, 0);
 434             UpdateLocal(bv, FULL, false);
 435         }
 436     }
 437 //    selection_start_cursor = selection_end_cursor = cursor;
 438 }
 439
 440
 441 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 442 {
 443     UpdatableInset * inset = 0;
 444
 445     if (the_locking_inset) {
 446             the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
 447     } else {
 448         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 449             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 450             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 451                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 452             } else {
 453                 inset_x = cx(bv) - top_x + drawTextXOffset;
 454                 inset_y = cy(bv) + drawTextYOffset;
 455                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 456                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 457             }
 458         }
 459     }
 460     no_selection = false;
 461 }
 462
 463
 464 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 465 {
 466     if (the_locking_inset) {
 467         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 468                                              y - inset_y,state);
 469         return;
 470     }
 471 #warning REDO this (Jug)
 472     if (!no_selection) {
 473 //      LyXCursor old = selection_end_cursor;
 474         HideInsetCursor(bv);
 475 //      setPos(bv->painter(), x, y);
 476 //      selection_end_cursor = cursor;
 477 //      if (old != selection_end_cursor)
 478 //          UpdateLocal(bv, false, false);
 479         ShowInsetCursor(bv);
 480     }
 481     no_selection = false;
 482 }
 483
 484
 485 void InsetText::InsetKeyPress(XKeyEvent * xke)
 486 {
 487     if (the_locking_inset) {
 488         the_locking_inset->InsetKeyPress(xke);
 489         return;
 490     }
 491 }
 492
 493
 494 UpdatableInset::RESULT
 495 InsetText::LocalDispatch(BufferView * bv,
 496                          int action, string const & arg)
 497 {
 498     no_selection = false;
 499     UpdatableInset::RESULT
 500         result= UpdatableInset::LocalDispatch(bv, action, arg);
 501     if (result != UNDISPATCHED) {
 502 //      resetPos(bv->painter());
 503         return DISPATCHED;
 504     }
 505
 506     result=DISPATCHED;
 507     if ((action < 0) && arg.empty())
 508         return FINISHED;
 509
 510     if (the_locking_inset) {
 511         result = the_locking_inset->LocalDispatch(bv, action, arg);
 512         if (result == DISPATCHED_NOUPDATE)
 513             return result;
 514         else if (result == DISPATCHED) {
 515             the_locking_inset->ToggleInsetCursor(bv);
 516             UpdateLocal(bv, FULL, false);
 517             the_locking_inset->ToggleInsetCursor(bv);
 518             return result;
 519         } else if (result == FINISHED) {
 520             switch(action) {
 521             case -1:
 522             case LFUN_RIGHT:
 523                 moveRight(bv);
 524 //              TEXT(bv)->cursor.pos(inset_pos + 1);
 525 //              resetPos(bv->painter());
 526                 break;
 527             case LFUN_DOWN:
 528                 moveDown(bv);
 529                 break;
 530             }
 531             the_locking_inset = 0;
 532             return DISPATCHED;
 533         }
 534     }
 535     HideInsetCursor(bv);
 536     switch (action) {
 537         // Normal chars
 538     case -1:
 539         if (bv->buffer()->isReadonly()) {
 540             LyXBell();
 541 //          setErrorMessage(N_("Document is read only"));
 542             break;
 543         }
 544         if (!arg.empty()) {
 545             /* Automatically delete the currently selected
 546              * text and replace it with what is being
 547              * typed in now. Depends on lyxrc settings
 548              * "auto_region_delete", which defaults to
 549              * true (on). */
 550
 551             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 552                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 553                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 554             if (lyxrc.auto_region_delete) {
 555                 if (TEXT(bv)->selection){
 556                     TEXT(bv)->CutSelection(bv, false);
 557                 }
 558             }
 559             TEXT(bv)->ClearSelection();
 560             for (string::size_type i = 0; i < arg.length(); ++i) {
 561                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 562             }
 563         }
 564         UpdateLocal(bv, CURSOR_PAR, true);
 565         break;
 566         // --- Cursor Movements ---------------------------------------------
 567     case LFUN_RIGHTSEL:
 568         bv->text->FinishUndo();
 569         moveRight(bv, false);
 570         TEXT(bv)->SetSelection();
 571         UpdateLocal(bv, SELECTION, false);
 572         break;
 573     case LFUN_RIGHT:
 574         bv->text->FinishUndo();
 575         result = moveRight(bv);
 576         TEXT(bv)->selection = 0;
 577         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 578         UpdateLocal(bv, CURSOR_PAR, false);
 579         break;
 580     case LFUN_LEFTSEL:
 581         bv->text->FinishUndo();
 582         moveLeft(bv, false);
 583         TEXT(bv)->SetSelection();
 584         UpdateLocal(bv, SELECTION, false);
 585         break;
 586     case LFUN_LEFT:
 587         bv->text->FinishUndo();
 588         result= moveLeft(bv);
 589         TEXT(bv)->selection = 0;
 590         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 591         UpdateLocal(bv, CURSOR_PAR, false);
 592         break;
 593     case LFUN_DOWNSEL:
 594         bv->text->FinishUndo();
 595         moveDown(bv);
 596         TEXT(bv)->SetSelection();
 597         UpdateLocal(bv, SELECTION, false);
 598         break;
 599     case LFUN_DOWN:
 600         bv->text->FinishUndo();
 601         result = moveDown(bv);
 602         TEXT(bv)->selection = 0;
 603         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 604         UpdateLocal(bv, CURSOR_PAR, false);
 605         break;
 606     case LFUN_UPSEL:
 607         bv->text->FinishUndo();
 608         moveUp(bv);
 609         TEXT(bv)->SetSelection();
 610         UpdateLocal(bv, SELECTION, false);
 611         break;
 612     case LFUN_UP:
 613         bv->text->FinishUndo();
 614         result = moveUp(bv);
 615         TEXT(bv)->selection = 0;
 616         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 617         UpdateLocal(bv, CURSOR_PAR, false);
 618         break;
 619     case LFUN_HOME:
 620         bv->text->FinishUndo();
 621         TEXT(bv)->CursorHome(bv);
 622         TEXT(bv)->selection = 0;
 623         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 624         UpdateLocal(bv, CURSOR_PAR, false);
 625         break;
 626     case LFUN_END:
 627         TEXT(bv)->CursorEnd(bv);
 628         TEXT(bv)->selection = 0;
 629         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 630         UpdateLocal(bv, CURSOR_PAR, false);
 631         break;
 632     case LFUN_BACKSPACE:
 633         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 634           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 635           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 636         TEXT(bv)->Backspace(bv);
 637         UpdateLocal(bv, CURSOR_PAR, true);
 638         break;
 639     case LFUN_DELETE:
 640         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 641           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 642           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 643         TEXT(bv)->Delete(bv);
 644         UpdateLocal(bv, CURSOR_PAR, true);
 645         break;
 646     case LFUN_CUT:
 647         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 648           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 649           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 650         TEXT(bv)->CutSelection(bv);
 651         UpdateLocal(bv, CURSOR_PAR, true);
 652         break;
 653     case LFUN_COPY:
 654         bv->text->FinishUndo();
 655         TEXT(bv)->CopySelection(bv);
 656         UpdateLocal(bv, CURSOR_PAR, false);
 657         break;
 658     case LFUN_PASTE:
 659         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 660           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 661           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 662         TEXT(bv)->PasteSelection(bv);
 663         UpdateLocal(bv, CURSOR_PAR, true);
 664         break;
 665     case LFUN_BREAKPARAGRAPH:
 666         if (!autoBreakRows)
 667             return DISPATCHED;
 668         TEXT(bv)->BreakParagraph(bv, 0);
 669         UpdateLocal(bv, CURSOR_PAR, true);
 670         break;
 671     case LFUN_BREAKLINE:
 672         if (!autoBreakRows)
 673             return DISPATCHED;
 674         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 675             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 676             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 677         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 678         UpdateLocal(bv, CURSOR_PAR, true);
 679         break;
 680     case LFUN_LAYOUT:
 681     {
 682       static LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 683
 684         // Derive layout number from given argument (string)
 685         // and current buffer's textclass (number). */
 686         LyXTextClassList::ClassList::size_type tclass =
 687             bv->buffer()->params.textclass;
 688         std::pair <bool, LyXTextClass::size_type> layout =
 689             textclasslist.NumberOfLayout(tclass, arg);
 690
 691         // If the entry is obsolete, use the new one instead.
 692         if (layout.first) {
 693             string obs = textclasslist.Style(tclass,layout.second).
 694                 obsoleted_by();
 695             if (!obs.empty())
 696                 layout = textclasslist.NumberOfLayout(tclass, obs);
 697         }
 698
 699         // see if we found the layout number:
 700         if (!layout.first) {
 701             string msg = string(N_("Layout ")) + arg + N_(" not known");
 702
 703             bv->owner()->getMiniBuffer()->Set(msg);
 704             break;
 705         }
 706
 707         if (cur_layout != layout.second) {
 708             cur_layout = layout.second;
 709             TEXT(bv)->SetLayout(bv, layout.second);
 710             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 711             UpdateLocal(bv, CURSOR_PAR, true);
 712         }
 713     }
 714     break;
 715     default:
 716         result = UNDISPATCHED;
 717         break;
 718     }
 719     if (result != FINISHED) {
 720         ShowInsetCursor(bv);
 721     } else
 722         bv->unlockInset(this);
 723     return result;
 724 }
 725
 726
 727 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
 728 {
 729     TexRow texrow;
 730     buf->latexParagraphs(os, par, 0, texrow);
 731     return texrow.rows();
 732 }
 733
 734
 735 void InsetText::Validate(LaTeXFeatures & features) const
 736 {
 737     LyXParagraph * p = par;
 738     while(p) {
 739         p->validate(features);
 740         p = p->next;
 741     }
 742 }
 743
 744
 745 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
 746 {
 747     if (textclasslist.Style(buf->params.textclass,
 748                             p->GetLayout()).labeltype != LABEL_MANUAL)
 749         return 0;
 750     else
 751         return p->BeginningOfMainBody();
 752 }
 753
 754
 755 void InsetText::GetCursorPos(BufferView * bv, int & x, int & y) const
 756 {
 757     x = cx(bv);
 758     y = cy(bv);
 759 }
 760
 761
 762 int InsetText::InsetInInsetY()
 763 {
 764     if (!the_locking_inset)
 765         return 0;
 766
 767     return (inset_y + the_locking_inset->InsetInInsetY());
 768 }
 769
 770
 771 void InsetText::ToggleInsetCursor(BufferView * bv)
 772 {
 773     if (the_locking_inset) {
 774         the_locking_inset->ToggleInsetCursor(bv);
 775         return;
 776     }
 777
 778     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 779
 780     int asc = lyxfont::maxAscent(font);
 781     int desc = lyxfont::maxDescent(font);
 782
 783     if (cursor_visible)
 784         bv->hideLockedInsetCursor();
 785     else
 786         bv->showLockedInsetCursor(cx(bv), cy(bv),
 787                                   asc, desc);
 788     cursor_visible = !cursor_visible;
 789 }
 790
 791
 792 void InsetText::ShowInsetCursor(BufferView * bv)
 793 {
 794     if (the_locking_inset) {
 795         the_locking_inset->ShowInsetCursor(bv);
 796         return;
 797     }
 798     if (!cursor_visible) {
 799         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 800
 801         int asc = lyxfont::maxAscent(font);
 802         int desc = lyxfont::maxDescent(font);
 803
 804         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 805         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 806         cursor_visible = true;
 807     }
 808 }
 809
 810
 811 void InsetText::HideInsetCursor(BufferView * bv)
 812 {
 813     if (cursor_visible) {
 814         bv->hideLockedInsetCursor();
 815         cursor_visible = false;
 816     }
 817     if (the_locking_inset)
 818         the_locking_inset->HideInsetCursor(bv);
 819 }
 820
 821
 822 UpdatableInset::RESULT
 823 InsetText::moveRight(BufferView * bv, bool activate_inset)
 824 {
 825     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
 826         return FINISHED;
 827     if (activate_inset && checkAndActivateInset(bv)) {
 828         return DISPATCHED;
 829     }
 830     TEXT(bv)->CursorRight(bv);
 831 //    real_current_font = current_font = GetFont(bv->buffer(), cpar(bv), cpos(bv));
 832     return DISPATCHED_NOUPDATE;
 833 }
 834
 835
 836 UpdatableInset::RESULT
 837 InsetText::moveLeft(BufferView * bv, bool activate_inset)
 838 {
 839     if (!cpar(bv)->previous && (cpos(bv) <= 0))
 840         return FINISHED;
 841     TEXT(bv)->CursorLeft(bv);
 842     if (activate_inset)
 843         if (checkAndActivateInset(bv, -1, -1))
 844             return DISPATCHED;
 845     return DISPATCHED_NOUPDATE;
 846 }
 847
 848
 849 UpdatableInset::RESULT
 850 InsetText::moveUp(BufferView * bv)
 851 {
 852     if (!crow(bv)->previous())
 853         return FINISHED;
 854     TEXT(bv)->CursorUp(bv);
 855     return DISPATCHED_NOUPDATE;
 856 }
 857
 858
 859 UpdatableInset::RESULT
 860 InsetText::moveDown(BufferView * bv)
 861 {
 862     if (!crow(bv)->next())
 863         return FINISHED;
 864     TEXT(bv)->CursorDown(bv);
 865     return DISPATCHED_NOUPDATE;
 866 }
 867
 868
 869 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
 870 {
 871     if (the_locking_inset) {
 872         if (the_locking_inset->InsertInsetAllowed(inset))
 873             return the_locking_inset->InsertInset(bv, inset);
 874         return false;
 875     }
 876     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 877               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 878               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 879     if (inset->Editable() == Inset::IS_EDITABLE) {
 880         UpdatableInset * i = static_cast<UpdatableInset *>(inset);
 881         i->setOwner(static_cast<UpdatableInset *>(this));
 882     }
 883     cpar(bv)->InsertChar(cpos(bv), LyXParagraph::META_INSET);
 884     cpar(bv)->InsertInset(cpos(bv), inset);
 885     TEXT(bv)->selection = 0;
 886     UpdateLocal(bv, CURSOR_PAR, true);
 887     static_cast<UpdatableInset*>(inset)->Edit(bv, 0, 0, 0);
 888     return true;
 889 }
 890
 891
 892 UpdatableInset * InsetText::GetLockingInset()
 893 {
 894     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
 895 }
 896
 897
 898 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
 899 {
 900     if (c == LyxCode())
 901         return this;
 902     if (the_locking_inset)
 903         return the_locking_inset->GetFirstLockingInsetOfType(c);
 904     return 0;
 905 }
 906
 907
 908 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
 909 {
 910     TEXT(bv)->SetFont(bv, font, toggleall);
 911 }
 912
 913
 914 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 915 {
 916     need_update = what;
 917     bv->updateInset(this, mark_dirty);
 918     if (old_par != cpar(bv)) {
 919             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 920             old_par = cpar(bv);
 921     }
 922 }
 923
 924
 925 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
 926                                       int button)
 927 {
 928     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 929         UpdatableInset * inset =
 930             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 931         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 932         if (x < 0)
 933             x = inset->width(bv->painter(), font);
 934         if (y < 0)
 935             y = inset->descent(bv->painter(), font);
 936         inset_x = cx(bv) - top_x + drawTextXOffset;
 937         inset_y = cy(bv) + drawTextYOffset;
 938         inset->Edit(bv, x - inset_x, y - inset_y, button);
 939         if (!the_locking_inset)
 940             return false;
 941         UpdateLocal(bv, CURSOR_PAR, false);
 942         return true;
 943     }
 944     return false;
 945 }
 946
 947
 948 int InsetText::getMaxTextWidth(Painter & pain, UpdatableInset const * inset) const
 949 {
 950     return getMaxWidth(pain, inset) - 4; // 2+2 width of eventual border
 951 }
 952
 953 void InsetText::SetParagraphData(LyXParagraph *p)
 954 {
 955     LyXParagraph * np;
 956
 957     if (par) {
 958         np = par->next;
 959         delete par;
 960         while(np) {
 961             par = np;
 962             np = np->next;
 963             delete par;
 964         }
 965     }
 966     par = p->Clone();
 967     par->SetInsetOwner(this);
 968     np = par;
 969     while(p->next) {
 970         p = p->next;
 971         np->next = p->Clone();
 972         np->next->previous = np;
 973         np = np->next;
 974         np->SetInsetOwner(this);
 975     }
 976     need_update = INIT;
 977 }
 978
 979 void InsetText::SetAutoBreakRows(bool flag)
 980 {
 981     if (flag != autoBreakRows) {
 982         autoBreakRows = flag;
 983         need_update = FULL;
 984     }
 985 }
 986
 987 void InsetText::SetDrawLockedFrame(bool flag)
 988 {
 989     if (flag != drawLockedFrame)
 990         drawLockedFrame = flag;
 991 }
 992
 993 void InsetText::SetFrameColor(LColor::color col)
 994 {
 995     if (frame_color != col)
 996         frame_color = col;
 997 }
 998
 999 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1000 {
1001     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1002 }
1003
1004 int InsetText::cx(BufferView * bv) const
1005 {
1006     return TEXT(bv)->cursor.x() + top_x + 1;
1007 }
1008
1009 int InsetText::cy(BufferView * bv) const
1010 {
1011     long int y_dummy = 0;
1012     Row * tmprow = TEXT(bv)->GetRowNearY(y_dummy);
1013     return TEXT(bv)->cursor.y() - tmprow->baseline();
1014 }
1015
1016 int InsetText::cpos(BufferView * bv) const
1017 {
1018     return TEXT(bv)->cursor.pos();
1019 }
1020
1021 LyXParagraph * InsetText::cpar(BufferView * bv) const
1022 {
1023     return TEXT(bv)->cursor.par();
1024 }
1025
1026 Row * InsetText::crow(BufferView * bv) const
1027 {
1028     return TEXT(bv)->cursor.row();
1029 }
1030
1031 LyXText * InsetText::getLyXText(BufferView * bv) const
1032 {
1033     if (cache.find(bv) != cache.end())
1034         return cache[bv];
1035     LyXText *lt = new LyXText(const_cast<InsetText *>(this));
1036     lt->init(bv);
1037     cache[bv] = lt;
1038     return lt;
1039 }
1040
1041 void InsetText::deleteLyXText(BufferView * bv)
1042 {
1043     cache.erase(bv);
1044 }