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