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 // Jürgen, we don't like macros, even small ones like this. (Lgb)
  60 //#define TEXT(a) getLyXText(a)
  61 // I created a inline function in insettext.h instead. (Lgb)
  62
  63 InsetText::InsetText()
  64 {
  65     par = new LyXParagraph();
  66     init();
  67 }
  68
  69
  70 InsetText::InsetText(InsetText const & ins)
  71         : UpdatableInset()
  72 {
  73     par = 0;
  74     init(&ins);
  75     autoBreakRows = ins.autoBreakRows;
  76 }
  77
  78
  79 InsetText & InsetText::operator=(InsetText const & it)
  80 {
  81     init(&it);
  82     autoBreakRows = it.autoBreakRows;
  83     return * this;
  84 }
  85
  86 void InsetText::init(InsetText const * ins)
  87 {
  88     top_y = last_width = last_height = 0;
  89     insetAscent = insetDescent = insetWidth = 0;
  90     the_locking_inset = 0;
  91     cursor_visible = false;
  92     interline_space = 1;
  93     no_selection = false;
  94     need_update = INIT;
  95     drawTextXOffset = drawTextYOffset = 0;
  96     autoBreakRows = drawLockedFrame = false;
  97     xpos = 0.0;
  98     if (ins) {
  99         SetParagraphData(ins->par);
 100         autoBreakRows = ins->autoBreakRows;
 101         drawLockedFrame = ins->drawLockedFrame;
 102     }
 103     par->SetInsetOwner(this);
 104     frame_color = LColor::insetframe;
 105     locked = false;
 106     old_par = 0;
 107 }
 108
 109
 110 InsetText::~InsetText()
 111 {
 112     LyXParagraph * p;
 113     p = par->next;
 114     delete par;
 115     while(p) {
 116         par = p;
 117         p = p->next;
 118         delete par;
 119     }
 120 }
 121
 122
 123 Inset * InsetText::Clone() const
 124 {
 125     InsetText * t = new InsetText(*this);
 126     return t;
 127 }
 128
 129
 130 void InsetText::Write(Buffer const * buf, ostream & os) const
 131 {
 132     os << "Text\n";
 133     WriteParagraphData(buf, os);
 134 }
 135
 136
 137 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 138 {
 139     par->writeFile(buf, os, buf->params, 0, 0);
 140 }
 141
 142
 143 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 144 {
 145         string token;
 146     int pos = 0;
 147     LyXParagraph * return_par = 0;
 148     char depth = 0; // signed or unsigned?
 149     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 150     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 151     LyXFont font(LyXFont::ALL_INHERIT);
 152
 153     LyXParagraph * p = par->next;
 154     delete par;
 155     while(p) {
 156         par = p;
 157         p = p->next;
 158         delete par;
 159     }
 160     par = new LyXParagraph;
 161     while (lex.IsOK()) {
 162         lex.nextToken();
 163         token = lex.GetString();
 164         if (token.empty())
 165             continue;
 166         if (token == "\\end_inset")
 167             break;
 168         if (const_cast<Buffer*>(buf)->parseSingleLyXformat2Token(lex, par, return_par,
 169                                             token, pos, depth,
 170                                             font, footnoteflag,
 171                                             footnotekind)) {
 172             // the_end read this should NEVER happen
 173             lex.printError("\\the_end read in inset! Error in document!");
 174             return;
 175         }
 176     }
 177     if (!return_par)
 178             return_par = par;
 179     par = return_par;
 180     while(return_par) {
 181         return_par->SetInsetOwner(this);
 182         return_par = return_par->next;
 183     }
 184
 185     if (token != "\\end_inset") {
 186         lex.printError("Missing \\end_inset at this point. "
 187                        "Read: `$$Token'");
 188     }
 189     need_update = INIT;
 190 }
 191
 192
 193 int InsetText::ascent(Painter &, LyXFont const &) const
 194 {
 195     return insetAscent;
 196 }
 197
 198
 199 int InsetText::descent(Painter &, LyXFont const &) const
 200 {
 201     return insetDescent;
 202 }
 203
 204
 205 int InsetText::width(Painter &, LyXFont const &) const
 206 {
 207     return insetWidth;
 208 }
 209
 210
 211 int InsetText::textWidth(Painter & pain) const
 212 {
 213     return getMaxTextWidth(pain, this) - drawTextXOffset;
 214 }
 215
 216
 217 void InsetText::draw(BufferView * bv, LyXFont const & f,
 218                      int baseline, float & x, bool cleared) const
 219 {
 220     Painter & pain = bv->painter();
 221
 222     if (!cleared && ((need_update==FULL) || (top_x!=int(x)) ||
 223                      (top_baseline!=baseline))) {
 224         int w =  insetWidth;
 225         int h = insetAscent + insetDescent;
 226         int ty = baseline - insetAscent;
 227
 228         if (ty < 0)
 229             ty = 0;
 230         if ((ty + h) > pain.paperHeight())
 231             h = pain.paperHeight();
 232         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 233             w = pain.paperWidth();
 234         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 235         cleared = true;
 236         need_update = FULL;
 237     }
 238
 239     if (!cleared && (need_update == NONE))
 240         return;
 241
 242     xpos = x;
 243     UpdatableInset::draw(bv, f, baseline, x, cleared);
 244
 245     top_baseline = baseline;
 246     top_x = int(x);
 247     top_y = baseline - ascent(pain, f);
 248     last_width = width(pain, f);
 249     last_height = ascent(pain, f) + descent(pain, f);
 250
 251     if (the_locking_inset && (cpos(bv) == inset_pos)) {
 252         inset_x = cx(bv) - top_x + drawTextXOffset;
 253         inset_y = cy(bv) + drawTextYOffset;
 254     }
 255     if (!cleared && (need_update == CURSOR)) {
 256         x += width(pain, f);
 257         need_update = NONE;
 258         return;
 259     }
 260     x += TEXT_TO_INSET_OFFSET; // place for border
 261     long int y = 0;
 262     Row * row = TEXT(bv)->GetRowNearY(y);
 263     y += baseline - row->ascent_of_text() + 1;
 264     if (cleared || !locked || (need_update == FULL)) {
 265         while (row != 0) {
 266             TEXT(bv)->GetVisibleRow(bv, y, x, row, y);
 267             y += row->height();
 268             row = row->next();
 269         }
 270     } else if (need_update == SELECTION) {
 271         bv->screen()->ToggleToggle(getLyXText(bv), y, x);
 272     } else {
 273         locked = false;
 274         bv->screen()->Update(TEXT(bv), y, x);
 275         locked = true;
 276     }
 277     TEXT(bv)->refresh_y = 0;
 278     TEXT(bv)->status = LyXText::UNCHANGED;
 279     if (drawLockedFrame && locked) {
 280             pain.rectangle(top_x, baseline - ascent(pain, f), width(pain, f),
 281                            ascent(pain,f) + descent(pain, f), frame_color);
 282     } else {
 283             pain.rectangle(top_x, baseline - ascent(pain, f), width(pain, f),
 284                            ascent(pain,f) + descent(pain, f),
 285                            LColor::background);
 286     }
 287     x += width(pain, f) - TEXT_TO_INSET_OFFSET;
 288     need_update = NONE;
 289 }
 290
 291
 292 void InsetText::update(BufferView * bv, LyXFont const & font, bool dodraw)
 293 {
 294     if (the_locking_inset)
 295         the_locking_inset->update(bv, font, dodraw);
 296     if (need_update == INIT) {
 297         deleteLyXText(bv);
 298         need_update = FULL;
 299     }
 300     if (dodraw && (need_update != CURSOR))
 301             need_update = FULL;
 302
 303     TEXT(bv)->FullRebreak(bv);
 304
 305     long int y_temp = 0;
 306     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 307     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 308     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 309         TEXT_TO_INSET_OFFSET;
 310     insetWidth = max(textWidth(bv->painter()),
 311                      static_cast<int>(TEXT(bv)->width)) +
 312         (2 * TEXT_TO_INSET_OFFSET);
 313 }
 314
 315
 316 char const * InsetText::EditMessage() const
 317 {
 318     return _("Opened Text Inset");
 319 }
 320
 321
 322 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 323 {
 324 //    par->SetInsetOwner(this);
 325     UpdatableInset::Edit(bv, x, y, button);
 326
 327     if (!bv->lockInset(this)) {
 328         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 329         return;
 330     }
 331     locked = true;
 332     the_locking_inset = 0;
 333     inset_pos = inset_x = inset_y = 0;
 334     TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 335                                        y+TEXT(bv)->first-drawTextYOffset+
 336                                        insetAscent);
 337     checkAndActivateInset(bv, x, y, button);
 338     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 339     bv->text->FinishUndo();
 340     UpdateLocal(bv, FULL, false);
 341 }
 342
 343
 344 void InsetText::InsetUnlock(BufferView * bv)
 345 {
 346     if (the_locking_inset) {
 347         the_locking_inset->InsetUnlock(bv);
 348         the_locking_inset = 0;
 349     }
 350     HideInsetCursor(bv);
 351     no_selection = false;
 352     locked = false;
 353     TEXT(bv)->selection = 0;
 354     UpdateLocal(bv, CURSOR_PAR, false);
 355     bv->owner()->getToolbar()->combox->select(bv->text->cursor.par()->GetLayout()+1);
 356 }
 357
 358
 359 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 360 {
 361     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 362     if (!inset)
 363         return false;
 364     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 365         lyxerr[Debug::INSETS] << "OK" << endl;
 366         the_locking_inset = inset;
 367 //      resetPos(bv->painter());
 368         inset_x = cx(bv) - top_x + drawTextXOffset;
 369         inset_y = cy(bv) + drawTextYOffset;
 370         inset_pos = cpos(bv);
 371         return true;
 372     } else if (the_locking_inset && (the_locking_inset == inset)) {
 373         if (cpos(bv) == inset_pos) {
 374             lyxerr[Debug::INSETS] << "OK" << endl;
 375 //          resetPos(bv->painter());
 376             inset_x = cx(bv) - top_x + drawTextXOffset;
 377             inset_y = cy(bv) + drawTextYOffset;
 378         } else {
 379             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 380         }
 381     } else if (the_locking_inset) {
 382         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 383         return the_locking_inset->LockInsetInInset(bv, inset);
 384     }
 385     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 386     return false;
 387 }
 388
 389
 390 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 391                                    bool lr)
 392 {
 393     if (!the_locking_inset)
 394         return false;
 395     if (the_locking_inset == inset) {
 396         the_locking_inset->InsetUnlock(bv);
 397         TEXT(bv)->UpdateInset(bv, inset);
 398         the_locking_inset = 0;
 399         if (lr)
 400             moveRight(bv, false);
 401         UpdateLocal(bv, FULL, false);
 402         return true;
 403     }
 404     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 405 }
 406
 407
 408 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 409 {
 410     if (!the_locking_inset)
 411         return false;
 412     if (the_locking_inset != inset)
 413         return the_locking_inset->UpdateInsetInInset(bv, inset);
 414 //    UpdateLocal(bv, FULL, false);
 415     TEXT(bv)->UpdateInset(bv, inset);
 416     if (cpos(bv) == inset_pos) {
 417         inset_x = cx(bv) - top_x + drawTextXOffset;
 418         inset_y = cy(bv) + drawTextYOffset;
 419     }
 420     return true;
 421 }
 422
 423
 424 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 425 {
 426     if (TEXT(bv)->selection) {
 427         TEXT(bv)->selection = 0;
 428         UpdateLocal(bv, FULL, false);
 429     }
 430     no_selection = false;
 431     TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 432                                        y+TEXT(bv)->first-drawTextYOffset+
 433                                        insetAscent);
 434     if (the_locking_inset) {
 435         UpdatableInset * inset = 0;
 436         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET)
 437             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 438         if (the_locking_inset == inset) {
 439             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 440             return;
 441         } else if (inset) {
 442             // otherwise unlock the_locking_inset and lock the new inset
 443             the_locking_inset->InsetUnlock(bv);
 444             inset_x = cx(bv) - top_x + drawTextXOffset;
 445             inset_y = cy(bv) + drawTextYOffset;
 446             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 447             inset->Edit(bv, x - inset_x, y - inset_y, button);
 448             UpdateLocal(bv, FULL, false);
 449             return;
 450         }
 451         // otherwise only unlock the_locking_inset
 452         the_locking_inset->InsetUnlock(bv);
 453         the_locking_inset = 0;
 454     }
 455     if (bv->the_locking_inset) {
 456         if ((cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) &&
 457             cpar(bv)->GetInset(cpos(bv)) &&
 458             (cpar(bv)->GetInset(cpos(bv))->Editable() == Inset::HIGHLY_EDITABLE)) {
 459             UpdatableInset * inset =
 460                 static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 461             inset_x = cx(bv) - top_x + drawTextXOffset;
 462             inset_y = cy(bv) + drawTextYOffset;
 463             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 464             inset->Edit(bv, x - inset_x, y - inset_y, 0);
 465             UpdateLocal(bv, FULL, false);
 466         }
 467     }
 468 //    selection_start_cursor = selection_end_cursor = cursor;
 469 }
 470
 471
 472 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 473 {
 474     UpdatableInset * inset = 0;
 475
 476     if (the_locking_inset) {
 477             the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
 478     } else {
 479         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 480             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 481             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 482                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 483             } else {
 484                 inset_x = cx(bv) - top_x + drawTextXOffset;
 485                 inset_y = cy(bv) + drawTextYOffset;
 486                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 487                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 488             }
 489         }
 490     }
 491     no_selection = false;
 492 }
 493
 494
 495 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 496 {
 497     if (the_locking_inset) {
 498         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 499                                              y - inset_y,state);
 500         return;
 501     }
 502 #warning REDO this (Jug)
 503     if (!no_selection) {
 504 //      LyXCursor old = selection_end_cursor;
 505         HideInsetCursor(bv);
 506 //      setPos(bv->painter(), x, y);
 507 //      selection_end_cursor = cursor;
 508 //      if (old != selection_end_cursor)
 509 //          UpdateLocal(bv, false, false);
 510         ShowInsetCursor(bv);
 511     }
 512     no_selection = false;
 513 }
 514
 515
 516 void InsetText::InsetKeyPress(XKeyEvent * xke)
 517 {
 518     if (the_locking_inset) {
 519         the_locking_inset->InsetKeyPress(xke);
 520         return;
 521     }
 522 }
 523
 524
 525 UpdatableInset::RESULT
 526 InsetText::LocalDispatch(BufferView * bv,
 527                          int action, string const & arg)
 528 {
 529     no_selection = false;
 530     UpdatableInset::RESULT
 531         result= UpdatableInset::LocalDispatch(bv, action, arg);
 532     if (result != UNDISPATCHED) {
 533 //      resetPos(bv->painter());
 534         return DISPATCHED;
 535     }
 536
 537     result=DISPATCHED;
 538     if ((action < 0) && arg.empty())
 539         return FINISHED;
 540
 541     if (the_locking_inset) {
 542         result = the_locking_inset->LocalDispatch(bv, action, arg);
 543         if (result == DISPATCHED_NOUPDATE)
 544             return result;
 545         else if (result == DISPATCHED) {
 546             UpdateLocal(bv, CURSOR_PAR, false);
 547             return result;
 548         } else if (result == FINISHED) {
 549             switch(action) {
 550             case -1:
 551             case LFUN_RIGHT:
 552                 moveRight(bv, false);
 553                 break;
 554             case LFUN_DOWN:
 555                 moveDown(bv);
 556                 break;
 557             }
 558             the_locking_inset = 0;
 559             return DISPATCHED;
 560         }
 561     }
 562     HideInsetCursor(bv);
 563     switch (action) {
 564         // Normal chars
 565     case -1:
 566         if (bv->buffer()->isReadonly()) {
 567             LyXBell();
 568 //          setErrorMessage(N_("Document is read only"));
 569             break;
 570         }
 571         if (!arg.empty()) {
 572             /* Automatically delete the currently selected
 573              * text and replace it with what is being
 574              * typed in now. Depends on lyxrc settings
 575              * "auto_region_delete", which defaults to
 576              * true (on). */
 577
 578             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 579                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 580                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 581             if (lyxrc.auto_region_delete) {
 582                 if (TEXT(bv)->selection){
 583                     TEXT(bv)->CutSelection(bv, false);
 584                 }
 585             }
 586             TEXT(bv)->ClearSelection();
 587             for (string::size_type i = 0; i < arg.length(); ++i) {
 588                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 589             }
 590         }
 591         UpdateLocal(bv, CURSOR_PAR, true);
 592         break;
 593         // --- Cursor Movements ---------------------------------------------
 594     case LFUN_RIGHTSEL:
 595         bv->text->FinishUndo();
 596         moveRight(bv, false);
 597         TEXT(bv)->SetSelection();
 598         UpdateLocal(bv, SELECTION, false);
 599         break;
 600     case LFUN_RIGHT:
 601         bv->text->FinishUndo();
 602         result = moveRight(bv);
 603         TEXT(bv)->selection = 0;
 604         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 605         UpdateLocal(bv, CURSOR, false);
 606         break;
 607     case LFUN_LEFTSEL:
 608         bv->text->FinishUndo();
 609         moveLeft(bv, false);
 610         TEXT(bv)->SetSelection();
 611         UpdateLocal(bv, SELECTION, false);
 612         break;
 613     case LFUN_LEFT:
 614         bv->text->FinishUndo();
 615         result= moveLeft(bv);
 616         TEXT(bv)->selection = 0;
 617         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 618         UpdateLocal(bv, CURSOR, false);
 619         break;
 620     case LFUN_DOWNSEL:
 621         bv->text->FinishUndo();
 622         moveDown(bv);
 623         TEXT(bv)->SetSelection();
 624         UpdateLocal(bv, SELECTION, false);
 625         break;
 626     case LFUN_DOWN:
 627         bv->text->FinishUndo();
 628         result = moveDown(bv);
 629         TEXT(bv)->selection = 0;
 630         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 631         UpdateLocal(bv, CURSOR, false);
 632         break;
 633     case LFUN_UPSEL:
 634         bv->text->FinishUndo();
 635         moveUp(bv);
 636         TEXT(bv)->SetSelection();
 637         UpdateLocal(bv, SELECTION, false);
 638         break;
 639     case LFUN_UP:
 640         bv->text->FinishUndo();
 641         result = moveUp(bv);
 642         TEXT(bv)->selection = 0;
 643         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 644         UpdateLocal(bv, CURSOR, false);
 645         break;
 646     case LFUN_HOME:
 647         bv->text->FinishUndo();
 648         TEXT(bv)->CursorHome(bv);
 649         TEXT(bv)->selection = 0;
 650         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 651         UpdateLocal(bv, CURSOR, false);
 652         break;
 653     case LFUN_END:
 654         TEXT(bv)->CursorEnd(bv);
 655         TEXT(bv)->selection = 0;
 656         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 657         UpdateLocal(bv, CURSOR, false);
 658         break;
 659     case LFUN_BACKSPACE:
 660         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 661           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 662           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 663         TEXT(bv)->Backspace(bv);
 664         UpdateLocal(bv, CURSOR_PAR, true);
 665         break;
 666     case LFUN_DELETE:
 667         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 668           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 669           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 670         TEXT(bv)->Delete(bv);
 671         UpdateLocal(bv, CURSOR_PAR, true);
 672         break;
 673     case LFUN_CUT:
 674         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 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)->CutSelection(bv);
 678         UpdateLocal(bv, CURSOR_PAR, true);
 679         break;
 680     case LFUN_COPY:
 681         bv->text->FinishUndo();
 682         TEXT(bv)->CopySelection(bv);
 683         UpdateLocal(bv, CURSOR_PAR, false);
 684         break;
 685     case LFUN_PASTE:
 686         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 687           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 688           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 689         TEXT(bv)->PasteSelection(bv);
 690         UpdateLocal(bv, CURSOR_PAR, true);
 691         break;
 692     case LFUN_BREAKPARAGRAPH:
 693         if (!autoBreakRows)
 694             return DISPATCHED;
 695         TEXT(bv)->BreakParagraph(bv, 0);
 696         UpdateLocal(bv, FULL, true);
 697         break;
 698     case LFUN_BREAKLINE:
 699         if (!autoBreakRows)
 700             return DISPATCHED;
 701         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 702             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 703             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 704         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 705         UpdateLocal(bv, CURSOR_PAR, true);
 706         break;
 707     case LFUN_LAYOUT:
 708     {
 709       static LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 710
 711         // Derive layout number from given argument (string)
 712         // and current buffer's textclass (number). */
 713         LyXTextClassList::ClassList::size_type tclass =
 714             bv->buffer()->params.textclass;
 715         std::pair <bool, LyXTextClass::size_type> layout =
 716             textclasslist.NumberOfLayout(tclass, arg);
 717
 718         // If the entry is obsolete, use the new one instead.
 719         if (layout.first) {
 720             string obs = textclasslist.Style(tclass,layout.second).
 721                 obsoleted_by();
 722             if (!obs.empty())
 723                 layout = textclasslist.NumberOfLayout(tclass, obs);
 724         }
 725
 726         // see if we found the layout number:
 727         if (!layout.first) {
 728             string msg = string(N_("Layout ")) + arg + N_(" not known");
 729
 730             bv->owner()->getMiniBuffer()->Set(msg);
 731             break;
 732         }
 733
 734         if (cur_layout != layout.second) {
 735             cur_layout = layout.second;
 736             TEXT(bv)->SetLayout(bv, layout.second);
 737             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 738             UpdateLocal(bv, CURSOR_PAR, true);
 739         }
 740     }
 741     break;
 742     case LFUN_PARAGRAPH_SPACING:
 743             // This one is absolutely not working. When fiddling with this
 744             // it also seems to me that the paragraphs inside the insettext
 745             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
 746     {
 747             LyXParagraph * par = TEXT(bv)->cursor.par();
 748             Spacing::Space cur_spacing = par->spacing.getSpace();
 749             float cur_value = 1.0;
 750             if (cur_spacing == Spacing::Other) {
 751                     cur_value = par->spacing.getValue();
 752             }
 753
 754 #ifdef HAVE_SSTREAM
 755             std::istringstream istr(arg);
 756 #else
 757             istrstream istr(arg.c_str());
 758 #endif
 759             string tmp;
 760             istr >> tmp;
 761             Spacing::Space new_spacing = cur_spacing;
 762             float new_value = cur_value;
 763             if (tmp.empty()) {
 764                     lyxerr << "Missing argument to `paragraph-spacing'"
 765                            << endl;
 766             } else if (tmp == "single") {
 767                     new_spacing = Spacing::Single;
 768             } else if (tmp == "onehalf") {
 769                     new_spacing = Spacing::Onehalf;
 770             } else if (tmp == "double") {
 771                     new_spacing = Spacing::Double;
 772             } else if (tmp == "other") {
 773                     new_spacing = Spacing::Other;
 774                     float tmpval = 0.0;
 775                     istr >> tmpval;
 776                     lyxerr << "new_value = " << tmpval << endl;
 777                     if (tmpval != 0.0)
 778                             new_value = tmpval;
 779             } else if (tmp == "default") {
 780                     new_spacing = Spacing::Default;
 781             } else {
 782                     lyxerr << _("Unknown spacing argument: ")
 783                            << arg << endl;
 784             }
 785             if (cur_spacing != new_spacing || cur_value != new_value) {
 786                     par->spacing.set(new_spacing, new_value);
 787                     //TEXT(bv)->RedoParagraph(owner->view());
 788                     UpdateLocal(bv, CURSOR_PAR, true);
 789                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 790             }
 791     }
 792     break;
 793
 794     default:
 795         result = UNDISPATCHED;
 796         break;
 797     }
 798     if (result != FINISHED) {
 799         ShowInsetCursor(bv);
 800     } else
 801         bv->unlockInset(this);
 802     return result;
 803 }
 804
 805
 806 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
 807 {
 808     TexRow texrow;
 809     buf->latexParagraphs(os, par, 0, texrow);
 810     return texrow.rows();
 811 }
 812
 813
 814 void InsetText::Validate(LaTeXFeatures & features) const
 815 {
 816     LyXParagraph * p = par;
 817     while(p) {
 818         p->validate(features);
 819         p = p->next;
 820     }
 821 }
 822
 823
 824 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
 825 {
 826     if (textclasslist.Style(buf->params.textclass,
 827                             p->GetLayout()).labeltype != LABEL_MANUAL)
 828         return 0;
 829     else
 830         return p->BeginningOfMainBody();
 831 }
 832
 833
 834 void InsetText::GetCursorPos(BufferView * bv, int & x, int & y) const
 835 {
 836     x = cx(bv);
 837     y = cy(bv);
 838 }
 839
 840
 841 int InsetText::InsetInInsetY()
 842 {
 843     if (!the_locking_inset)
 844         return 0;
 845
 846     return (inset_y + the_locking_inset->InsetInInsetY());
 847 }
 848
 849
 850 void InsetText::ToggleInsetCursor(BufferView * bv)
 851 {
 852     if (the_locking_inset) {
 853         the_locking_inset->ToggleInsetCursor(bv);
 854         return;
 855     }
 856
 857     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 858
 859     int asc = lyxfont::maxAscent(font);
 860     int desc = lyxfont::maxDescent(font);
 861
 862     if (cursor_visible)
 863         bv->hideLockedInsetCursor();
 864     else
 865         bv->showLockedInsetCursor(cx(bv), cy(bv),
 866                                   asc, desc);
 867     cursor_visible = !cursor_visible;
 868 }
 869
 870
 871 void InsetText::ShowInsetCursor(BufferView * bv)
 872 {
 873     if (the_locking_inset) {
 874         the_locking_inset->ShowInsetCursor(bv);
 875         return;
 876     }
 877     if (!cursor_visible) {
 878         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 879
 880         int asc = lyxfont::maxAscent(font);
 881         int desc = lyxfont::maxDescent(font);
 882
 883         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 884         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 885         cursor_visible = true;
 886     }
 887 }
 888
 889
 890 void InsetText::HideInsetCursor(BufferView * bv)
 891 {
 892     if (cursor_visible) {
 893         bv->hideLockedInsetCursor();
 894         cursor_visible = false;
 895     }
 896     if (the_locking_inset)
 897         the_locking_inset->HideInsetCursor(bv);
 898 }
 899
 900
 901 UpdatableInset::RESULT
 902 InsetText::moveRight(BufferView * bv, bool activate_inset)
 903 {
 904     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
 905         return FINISHED;
 906     if (activate_inset && checkAndActivateInset(bv)) {
 907         return DISPATCHED;
 908     }
 909     TEXT(bv)->CursorRight(bv);
 910 //    real_current_font = current_font = GetFont(bv->buffer(), cpar(bv), cpos(bv));
 911     return DISPATCHED_NOUPDATE;
 912 }
 913
 914
 915 UpdatableInset::RESULT
 916 InsetText::moveLeft(BufferView * bv, bool activate_inset)
 917 {
 918     if (!cpar(bv)->previous && (cpos(bv) <= 0))
 919         return FINISHED;
 920     TEXT(bv)->CursorLeft(bv);
 921     if (activate_inset)
 922         if (checkAndActivateInset(bv, -1, -1))
 923             return DISPATCHED;
 924     return DISPATCHED_NOUPDATE;
 925 }
 926
 927
 928 UpdatableInset::RESULT
 929 InsetText::moveUp(BufferView * bv)
 930 {
 931     if (!crow(bv)->previous())
 932         return FINISHED;
 933     TEXT(bv)->CursorUp(bv);
 934     return DISPATCHED_NOUPDATE;
 935 }
 936
 937
 938 UpdatableInset::RESULT
 939 InsetText::moveDown(BufferView * bv)
 940 {
 941     if (!crow(bv)->next())
 942         return FINISHED;
 943     TEXT(bv)->CursorDown(bv);
 944     return DISPATCHED_NOUPDATE;
 945 }
 946
 947
 948 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
 949 {
 950     if (the_locking_inset) {
 951         if (the_locking_inset->InsertInsetAllowed(inset))
 952             return the_locking_inset->InsertInset(bv, inset);
 953         return false;
 954     }
 955     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 956               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 957               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 958     if (inset->Editable() == Inset::IS_EDITABLE) {
 959         UpdatableInset * i = static_cast<UpdatableInset *>(inset);
 960         i->setOwner(static_cast<UpdatableInset *>(this));
 961     }
 962 #ifdef NEW_WAY
 963     cpar(bv)->InsertInset(cpos(bv), inset);
 964 #else
 965     cpar(bv)->InsertChar(cpos(bv), LyXParagraph::META_INSET);
 966     cpar(bv)->InsertInset(cpos(bv), inset);
 967 #endif
 968     TEXT(bv)->selection = 0;
 969     UpdateLocal(bv, CURSOR_PAR, true);
 970     static_cast<UpdatableInset*>(inset)->Edit(bv, 0, 0, 0);
 971     return true;
 972 }
 973
 974
 975 UpdatableInset * InsetText::GetLockingInset()
 976 {
 977     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
 978 }
 979
 980
 981 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
 982 {
 983     if (c == LyxCode())
 984         return this;
 985     if (the_locking_inset)
 986         return the_locking_inset->GetFirstLockingInsetOfType(c);
 987     return 0;
 988 }
 989
 990
 991 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
 992 {
 993     TEXT(bv)->SetFont(bv, font, toggleall);
 994 }
 995
 996
 997 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 998 {
 999     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
1000         need_update = FULL;
1001     else
1002         need_update = what;
1003     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED))
1004             bv->updateInset(this, mark_dirty);
1005     if (old_par != cpar(bv)) {
1006             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
1007             old_par = cpar(bv);
1008     }
1009 }
1010
1011
1012 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1013                                       int button)
1014 {
1015     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1016         UpdatableInset * inset =
1017             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1018         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1019         if (x < 0)
1020             x = inset->width(bv->painter(), font);
1021         if (y < 0)
1022             y = inset->descent(bv->painter(), font);
1023         inset_x = cx(bv) - top_x + drawTextXOffset;
1024         inset_y = cy(bv) + drawTextYOffset;
1025         inset->Edit(bv, x - inset_x, y - inset_y, button);
1026         if (!the_locking_inset)
1027             return false;
1028         UpdateLocal(bv, CURSOR_PAR, false);
1029         return true;
1030     }
1031     return false;
1032 }
1033
1034
1035 int InsetText::getMaxTextWidth(Painter & pain,
1036                                UpdatableInset const * inset) const
1037 {
1038     return getMaxWidth(pain, inset) - (2 * TEXT_TO_INSET_OFFSET);
1039 }
1040
1041
1042 void InsetText::SetParagraphData(LyXParagraph *p)
1043 {
1044     LyXParagraph * np;
1045
1046     if (par) {
1047         np = par->next;
1048         delete par;
1049         while(np) {
1050             par = np;
1051             np = np->next;
1052             delete par;
1053         }
1054     }
1055     par = p->Clone();
1056     par->SetInsetOwner(this);
1057     np = par;
1058     while(p->next) {
1059         p = p->next;
1060         np->next = p->Clone();
1061         np->next->previous = np;
1062         np = np->next;
1063         np->SetInsetOwner(this);
1064     }
1065     need_update = INIT;
1066 }
1067
1068
1069 void InsetText::SetAutoBreakRows(bool flag)
1070 {
1071     if (flag != autoBreakRows) {
1072         autoBreakRows = flag;
1073         need_update = FULL;
1074     }
1075 }
1076
1077
1078 void InsetText::SetDrawLockedFrame(bool flag)
1079 {
1080     if (flag != drawLockedFrame)
1081         drawLockedFrame = flag;
1082 }
1083
1084
1085 void InsetText::SetFrameColor(LColor::color col)
1086 {
1087     if (frame_color != col)
1088         frame_color = col;
1089 }
1090
1091
1092 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1093 {
1094     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1095 }
1096
1097
1098 int InsetText::cx(BufferView * bv) const
1099 {
1100     return TEXT(bv)->cursor.x() + top_x + 1;
1101 }
1102
1103
1104 int InsetText::cy(BufferView * bv) const
1105 {
1106     long int y_dummy = 0;
1107     Row * tmprow = TEXT(bv)->GetRowNearY(y_dummy);
1108     return TEXT(bv)->cursor.y() - tmprow->baseline();
1109 }
1110
1111
1112 int InsetText::cpos(BufferView * bv) const
1113 {
1114     return TEXT(bv)->cursor.pos();
1115 }
1116
1117
1118 LyXParagraph * InsetText::cpar(BufferView * bv) const
1119 {
1120     return TEXT(bv)->cursor.par();
1121 }
1122
1123
1124 Row * InsetText::crow(BufferView * bv) const
1125 {
1126     return TEXT(bv)->cursor.row();
1127 }
1128
1129
1130 LyXText * InsetText::getLyXText(BufferView * bv) const
1131 {
1132     if (cache.find(bv) != cache.end())
1133         return cache[bv];
1134     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1135     lt->init(bv);
1136     cache[bv] = lt;
1137     return lt;
1138 }
1139
1140
1141 void InsetText::deleteLyXText(BufferView * bv)
1142 {
1143     cache.erase(bv);
1144 }