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