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 "LColor.h"
  42 #include "support/textutils.h"
  43 #include "support/LAssert.h"
  44 #include "lyxrow.h"
  45 #include "lyxrc.h"
  46 #include "intl.h"
  47 #include "trans_mgr.h"
  48 #include "lyxscreen.h"
  49 #include "WorkArea.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 extern bool math_insert_greek(BufferView *, char);
  59 extern int greek_kb_flag;
  60
  61 InsetText::InsetText()
  62 {
  63     par = new LyXParagraph();
  64     init();
  65 }
  66
  67
  68 InsetText::InsetText(InsetText const & ins)
  69         : UpdatableInset()
  70 {
  71     par = 0;
  72     init(&ins);
  73     autoBreakRows = ins.autoBreakRows;
  74 }
  75
  76
  77 InsetText & InsetText::operator=(InsetText const & it)
  78 {
  79     init(&it);
  80     autoBreakRows = it.autoBreakRows;
  81     return * this;
  82 }
  83
  84
  85 void InsetText::init(InsetText const * ins)
  86 {
  87     top_y = 0;
  88     last_width = 0;
  89     last_height = 0;
  90     insetAscent = 0;
  91     insetDescent = 0;
  92     insetWidth = 0;
  93     the_locking_inset = 0;
  94     cursor_visible = false;
  95     interline_space = 1;
  96     no_selection = false;
  97     need_update = INIT;
  98     drawTextXOffset = 0;
  99     drawTextYOffset = 0;
 100     autoBreakRows = false;
 101     drawFrame = NEVER;
 102     xpos = 0.0;
 103     if (ins) {
 104         SetParagraphData(ins->par);
 105         autoBreakRows = ins->autoBreakRows;
 106         drawFrame = ins->drawFrame;
 107     }
 108     par->SetInsetOwner(this);
 109     frame_color = LColor::insetframe;
 110     locked = false;
 111     old_par = 0;
 112 }
 113
 114
 115 InsetText::~InsetText()
 116 {
 117     // delete all instances of LyXText before deleting the paragraps used
 118     // by it.
 119     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 120         delete (*cit).second;
 121         (*cit).second = 0;
 122     }
 123     LyXParagraph * p = par->next;
 124     delete par;
 125     while(p) {
 126         par = p;
 127         p = p->next;
 128         delete par;
 129     }
 130 }
 131
 132
 133 void InsetText::clear()
 134 {
 135     // delete all instances of LyXText before deleting the paragraps used
 136     // by it.
 137     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 138         delete (*cit).second;
 139         (*cit).second = 0;
 140     }
 141     LyXParagraph * p = par->next;
 142     delete par;
 143     while(p) {
 144         par = p;
 145         p = p->next;
 146         delete par;
 147     }
 148     par = new LyXParagraph();
 149 }
 150
 151
 152 Inset * InsetText::Clone(Buffer const &) const
 153 {
 154     InsetText * t = new InsetText(*this);
 155     return t;
 156 }
 157
 158
 159 void InsetText::Write(Buffer const * buf, ostream & os) const
 160 {
 161     os << "Text\n";
 162     WriteParagraphData(buf, os);
 163 }
 164
 165
 166 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 167 {
 168     par->writeFile(buf, os, buf->params, 0, 0);
 169 }
 170
 171
 172 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 173 {
 174     string token;
 175     int pos = 0;
 176     LyXParagraph * return_par = 0;
 177     char depth = 0; // signed or unsigned?
 178 #ifndef NEW_INSETS
 179     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 180     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 181 #endif
 182     LyXFont font(LyXFont::ALL_INHERIT);
 183
 184     // delete all instances of LyXText before deleting the paragraps used
 185     // by it.
 186     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 187         delete (*cit).second;
 188         (*cit).second = 0;
 189     }
 190
 191     LyXParagraph * p = par->next;
 192     delete par;
 193     while(p) {
 194         par = p;
 195         p = p->next;
 196         delete par;
 197     }
 198     par = new LyXParagraph;
 199     while (lex.IsOK()) {
 200         lex.nextToken();
 201         token = lex.GetString();
 202         if (token.empty())
 203             continue;
 204         if (token == "\\end_inset")
 205             break;
 206         if (const_cast<Buffer*>(buf)->
 207             parseSingleLyXformat2Token(lex, par, return_par,token, pos, depth,
 208                                        font
 209 #ifndef NEW_INSETS
 210                                        , footnoteflag, footnotekind
 211 #endif
 212                                        ))
 213         {
 214             // the_end read this should NEVER happen
 215             lex.printError("\\the_end read in inset! Error in document!");
 216             return;
 217         }
 218     }
 219     if (!return_par)
 220             return_par = par;
 221     par = return_par;
 222     while(return_par) {
 223         return_par->SetInsetOwner(this);
 224         return_par = return_par->next;
 225     }
 226
 227     if (token != "\\end_inset") {
 228         lex.printError("Missing \\end_inset at this point. "
 229                        "Read: `$$Token'");
 230     }
 231     need_update = INIT;
 232 }
 233
 234
 235 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 236 {
 237     int y_temp = 0;
 238     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 239     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 240     return insetAscent;
 241 }
 242
 243
 244 int InsetText::descent(BufferView * bv, LyXFont const &) const
 245 {
 246     int y_temp = 0;
 247     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 248     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 249         TEXT_TO_INSET_OFFSET;
 250     return insetDescent;
 251 }
 252
 253
 254 int InsetText::width(BufferView * bv, LyXFont const &) const
 255 {
 256     insetWidth = max(textWidth(bv->painter()),
 257                      (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 258     return insetWidth;
 259 }
 260
 261
 262 int InsetText::textWidth(Painter & pain) const
 263 {
 264     int const w = getMaxWidth(pain, this);
 265     return w;
 266 }
 267
 268
 269 void InsetText::draw(BufferView * bv, LyXFont const & f,
 270                      int baseline, float & x, bool cleared) const
 271 {
 272     Painter & pain = bv->painter();
 273
 274     // no draw is necessary !!!
 275     if ((drawFrame == LOCKED) && !locked && !par->size()) {
 276         if (!cleared && (need_update == CLEAR_FRAME)) {
 277             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 278                            width(bv, f) - 1,
 279                            insetAscent + insetDescent - 1,
 280                            LColor::background);
 281         }
 282         top_x = int(x);
 283         top_baseline = baseline;
 284         x += width(bv, f);
 285         need_update = NONE;
 286         return;
 287     }
 288
 289     xpos = x;
 290     UpdatableInset::draw(bv, f, baseline, x, cleared);
 291
 292     // if top_x differs we have a rule down and we don't have to clear anything
 293     if (!cleared && (top_x == int(x)) &&
 294         ((need_update==INIT)||(need_update==FULL)||(top_baseline!=baseline)))
 295     {
 296         int w =  insetWidth;
 297         int h = insetAscent + insetDescent;
 298         int ty = baseline - insetAscent;
 299
 300         if (ty < 0) {
 301             h += ty;
 302             ty = 0;
 303         }
 304         if ((ty + h) > pain.paperHeight())
 305             h = pain.paperHeight();
 306         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 307             w = pain.paperWidth();
 308         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 309         cleared = true;
 310         need_update = FULL;
 311     }
 312     if (!cleared && (need_update == NONE))
 313         return;
 314
 315     if (top_x != int(x)) {
 316         need_update = INIT;
 317         top_x = int(x);
 318         bv->text->status = LyXText::CHANGED_IN_DRAW;
 319         return;
 320     }
 321
 322     top_baseline = baseline;
 323     top_y = baseline - ascent(bv, f);
 324     last_width = width(bv, f);
 325     last_height = ascent(bv, f) + descent(bv, f);
 326
 327     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 328         inset_x = cx(bv) - top_x + drawTextXOffset;
 329         inset_y = cy(bv) + drawTextYOffset;
 330     }
 331     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 332         x += width(bv, f);
 333         need_update = NONE;
 334         return;
 335     }
 336     x += TEXT_TO_INSET_OFFSET;
 337     {
 338         int y = 0;
 339         Row * row = TEXT(bv)->GetRowNearY(y);
 340         int y_offset = baseline - row->ascent_of_text();
 341         int ph = pain.paperHeight();
 342         int first = 0;
 343         y = y_offset;
 344         while ((row != 0) && ((y+row->height()) <= 0)) {
 345             y += row->height();
 346             first += row->height();
 347             row = row->next();
 348         }
 349         if (y_offset < 0)
 350             y_offset = y;
 351         TEXT(bv)->first = first;
 352         if (cleared || !locked || (need_update&FULL) || (need_update&INIT)) {
 353             int yf = y_offset;
 354             y = 0;
 355             while ((row != 0) && (yf < ph)) {
 356                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 357                                             y+first, cleared);
 358                 y += row->height();
 359                 yf += row->height();
 360                 row = row->next();
 361             }
 362         } else {
 363             locked = false;
 364             if (need_update & SELECTION)
 365                 bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 366             else if (need_update & CURSOR) {
 367                 bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 368                 TEXT(bv)->ClearSelection(bv);
 369                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 370             }
 371             bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 372             locked = true;
 373         }
 374     }
 375     TEXT(bv)->refresh_y = 0;
 376     TEXT(bv)->status = LyXText::UNCHANGED;
 377     if ((need_update != CURSOR_PAR) &&
 378         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 379     {
 380             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 381                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 382                            frame_color);
 383     } else if (need_update & CLEAR_FRAME) {
 384             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 385                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 386                            LColor::background);
 387     }
 388     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 389     if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 390         need_update = INIT;
 391     } else if (need_update != INIT)
 392         need_update = NONE;
 393 }
 394
 395
 396 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 397 {
 398     if (reinit) {  // && (need_update != CURSOR)) {
 399         need_update = INIT;
 400         resizeLyXText(bv);
 401         if (owner())
 402             owner()->update(bv, font, true);
 403         return;
 404     }
 405     if (the_locking_inset) {
 406         inset_x = cx(bv) - top_x + drawTextXOffset;
 407         inset_y = cy(bv) + drawTextYOffset;
 408         the_locking_inset->update(bv, font, reinit);
 409     }
 410     if (need_update == INIT) {
 411         resizeLyXText(bv);
 412         need_update = FULL;
 413     }
 414     int oldw = insetWidth;
 415 #if 1
 416     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 417     // max(textWidth(bv->painter()),
 418     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 419     // (2 * TEXT_TO_INSET_OFFSET);
 420 #else
 421     insetWidth = textWidth(bv->painter());
 422     if (insetWidth < 0)
 423             insetWidth = static_cast<int>(TEXT(bv)->width);
 424 #endif
 425     if (oldw != insetWidth) {
 426 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 427 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 428         resizeLyXText(bv);
 429         need_update = FULL;
 430         update(bv, font, reinit);
 431         return;
 432     }
 433     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 434         the_locking_inset)
 435     {
 436         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 437     }
 438
 439     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 440         need_update = FULL;
 441
 442     int y_temp = 0;
 443     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 444     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 445     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 446         TEXT_TO_INSET_OFFSET;
 447 }
 448
 449 void InsetText::SetUpdateStatus(BufferView * bv, int what)
 450 {
 451     need_update |= what;
 452     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 453         need_update |= FULL;
 454     // this to not draw a selection when we redraw all of it!
 455     if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 456         TEXT(bv)->ClearSelection(bv);
 457 }
 458
 459 void InsetText::UpdateLocal(BufferView * bv, int what, bool mark_dirty)
 460 {
 461     TEXT(bv)->FullRebreak(bv);
 462     SetUpdateStatus(bv, what);
 463     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 464         TEXT(bv)->selection)
 465             bv->updateInset(this, mark_dirty);
 466     bv->owner()->showState();
 467     if (old_par != cpar(bv)) {
 468             bv->owner()->setLayout(cpar(bv)->GetLayout());
 469             old_par = cpar(bv);
 470     }
 471 }
 472
 473
 474 string const InsetText::EditMessage() const
 475 {
 476     return _("Opened Text Inset");
 477 }
 478
 479
 480 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 481 {
 482 //    par->SetInsetOwner(this);
 483     UpdatableInset::Edit(bv, x, y, button);
 484
 485     if (!bv->lockInset(this)) {
 486         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 487         return;
 488     }
 489     locked = true;
 490     the_locking_inset = 0;
 491     inset_pos = inset_x = inset_y = 0;
 492     inset_boundary = false;
 493     inset_par = 0;
 494     old_par = 0;
 495     if (!checkAndActivateInset(bv, x, y, button))
 496         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 497                                            y+insetAscent);
 498     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 499     bv->text->FinishUndo();
 500     ShowInsetCursor(bv);
 501     UpdateLocal(bv, FULL, false);
 502
 503     // If the inset is empty set the language of the current font to the
 504     // language to the surronding text.
 505     if (par->Last() == 0 && !par->next) {
 506         LyXFont font(LyXFont::ALL_IGNORE);
 507         font.setLanguage(bv->getParentLanguage(this));
 508         SetFont(bv, font, false);
 509     }
 510 }
 511
 512
 513 void InsetText::InsetUnlock(BufferView * bv)
 514 {
 515     if (the_locking_inset) {
 516         the_locking_inset->InsetUnlock(bv);
 517         the_locking_inset = 0;
 518     }
 519     HideInsetCursor(bv);
 520     no_selection = false;
 521     locked = false;
 522     UpdateLocal(bv, CLEAR_FRAME|CURSOR, false);
 523     if (owner())
 524             bv->owner()->setLayout(owner()->getLyXText(bv)
 525                                     ->cursor.par()->GetLayout());
 526     else
 527             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 528 }
 529
 530
 531 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 532 {
 533     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 534     if (!inset)
 535         return false;
 536     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 537         lyxerr[Debug::INSETS] << "OK" << endl;
 538         the_locking_inset = inset;
 539         inset_x = cx(bv) - top_x + drawTextXOffset;
 540         inset_y = cy(bv) + drawTextYOffset;
 541         inset_pos = cpos(bv);
 542         inset_par = cpar(bv);
 543         inset_boundary = cboundary(bv);
 544 #if 0
 545         TEXT(bv)->ClearSelection(bv);
 546         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 547         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 548 #else
 549         UpdateLocal(bv, CURSOR, false);
 550 #endif
 551         return true;
 552     } else if (the_locking_inset && (the_locking_inset == inset)) {
 553         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 554             lyxerr[Debug::INSETS] << "OK" << endl;
 555             inset_x = cx(bv) - top_x + drawTextXOffset;
 556             inset_y = cy(bv) + drawTextYOffset;
 557         } else {
 558             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 559         }
 560     } else if (the_locking_inset) {
 561         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 562         return the_locking_inset->LockInsetInInset(bv, inset);
 563     }
 564     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 565     return false;
 566 }
 567
 568
 569 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 570                                    bool lr)
 571 {
 572     if (!the_locking_inset)
 573         return false;
 574     if (the_locking_inset == inset) {
 575         the_locking_inset->InsetUnlock(bv);
 576         TEXT(bv)->UpdateInset(bv, inset);
 577         the_locking_inset = 0;
 578         if (lr)
 579             moveRight(bv, false);
 580         old_par = 0; // force layout setting
 581         UpdateLocal(bv, CURSOR_PAR, false);
 582         return true;
 583     }
 584     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 585 }
 586
 587
 588 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 589 {
 590     if (!the_locking_inset)
 591         return false;
 592     if (the_locking_inset != inset) {
 593         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 594         SetUpdateStatus(bv, CURSOR_PAR);
 595         return the_locking_inset->UpdateInsetInInset(bv, inset);
 596     }
 597 //    UpdateLocal(bv, FULL, false);
 598     if (TEXT(bv)->UpdateInset(bv, inset))
 599         UpdateLocal(bv, CURSOR_PAR, false);
 600     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 601         inset_x = cx(bv) - top_x + drawTextXOffset;
 602         inset_y = cy(bv) + drawTextYOffset;
 603     }
 604     return true;
 605 }
 606
 607
 608 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 609 {
 610     no_selection = true;
 611
 612     int tmp_x = x - drawTextXOffset;
 613     int tmp_y = y + insetAscent - TEXT(bv)->first;
 614     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 615
 616     HideInsetCursor(bv);
 617     if (the_locking_inset) {
 618         if (the_locking_inset == inset) {
 619             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 620             no_selection = false;
 621             return;
 622         } else if (inset) {
 623             // otherwise unlock the_locking_inset and lock the new inset
 624             the_locking_inset->InsetUnlock(bv);
 625             inset_x = cx(bv) - top_x + drawTextXOffset;
 626             inset_y = cy(bv) + drawTextYOffset;
 627             the_locking_inset = static_cast<UpdatableInset*>(inset);
 628             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 629             inset->Edit(bv, x - inset_x, y - inset_y, button);
 630             if (the_locking_inset)
 631                 UpdateLocal(bv, CURSOR, false);
 632             no_selection = false;
 633             return;
 634         }
 635         // otherwise only unlock the_locking_inset
 636         the_locking_inset->InsetUnlock(bv);
 637         the_locking_inset = 0;
 638     }
 639     if (bv->theLockingInset()) {
 640         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 641             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 642             inset_x = cx(bv) - top_x + drawTextXOffset;
 643             inset_y = cy(bv) + drawTextYOffset;
 644             inset_pos = cpos(bv);
 645             inset_par = cpar(bv);
 646             inset_boundary = cboundary(bv);
 647             the_locking_inset = uinset;
 648             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 649             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 650             if (the_locking_inset)
 651                 UpdateLocal(bv, CURSOR, false);
 652             no_selection = false;
 653             return;
 654         }
 655     }
 656     if (!inset) {
 657         bool paste_internally = false;
 658         if ((button == 2) && TEXT(bv)->selection) {
 659             LocalDispatch(bv, LFUN_COPY, "");
 660             paste_internally = true;
 661         }
 662         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 663                                            y + insetAscent);
 664         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 665         UpdateLocal(bv, CURSOR, false);
 666         bv->owner()->setLayout(cpar(bv)->GetLayout());
 667         old_par = cpar(bv);
 668         // Insert primary selection with middle mouse
 669         // if there is a local selection in the current buffer,
 670         // insert this
 671         if (button == 2) {
 672             if (paste_internally)
 673                 LocalDispatch(bv, LFUN_PASTE, "");
 674             else
 675                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 676         }
 677     }
 678     ShowInsetCursor(bv);
 679     no_selection = false;
 680 }
 681
 682
 683 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 684 {
 685     UpdatableInset * inset = 0;
 686
 687     if (the_locking_inset) {
 688             the_locking_inset->InsetButtonRelease(bv,
 689                                                   x - inset_x, y - inset_y,
 690                                                   button);
 691     } else {
 692         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 693             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 694             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 695                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 696             } else {
 697                 inset_x = cx(bv) - top_x + drawTextXOffset;
 698                 inset_y = cy(bv) + drawTextYOffset;
 699                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 700                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 701             }
 702             UpdateLocal(bv, CURSOR_PAR, false);
 703         }
 704     }
 705     no_selection = false;
 706 }
 707
 708
 709 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 710 {
 711     if (no_selection)
 712         return;
 713     if (the_locking_inset) {
 714         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 715                                              y - inset_y,state);
 716         return;
 717     }
 718     HideInsetCursor(bv);
 719     TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 720                                        y+insetAscent);
 721     TEXT(bv)->SetSelection(bv);
 722     if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 723         TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 724         UpdateLocal(bv, SELECTION, false);
 725     ShowInsetCursor(bv);
 726 }
 727
 728
 729 void InsetText::InsetKeyPress(XKeyEvent * xke)
 730 {
 731     if (the_locking_inset) {
 732         the_locking_inset->InsetKeyPress(xke);
 733         return;
 734     }
 735 }
 736
 737
 738 UpdatableInset::RESULT
 739 InsetText::LocalDispatch(BufferView * bv,
 740                          int action, string const & arg)
 741 {
 742     no_selection = false;
 743     UpdatableInset::RESULT
 744         result= UpdatableInset::LocalDispatch(bv, action, arg);
 745     if (result != UNDISPATCHED) {
 746         return DISPATCHED;
 747     }
 748
 749     result=DISPATCHED;
 750     if ((action < 0) && arg.empty())
 751         return FINISHED;
 752
 753     if (the_locking_inset) {
 754         result = the_locking_inset->LocalDispatch(bv, action, arg);
 755         if (result == DISPATCHED_NOUPDATE)
 756             return result;
 757         else if (result == DISPATCHED) {
 758             UpdateLocal(bv, CURSOR_PAR, false);
 759             return result;
 760         } else if (result == FINISHED) {
 761             bool dispatched = false;
 762             switch (action) {
 763             case LFUN_UNKNOWN_ACTION:
 764             case LFUN_BREAKPARAGRAPH:
 765             case LFUN_BREAKLINE:
 766                moveRightIntern(bv, false, false);
 767                break;
 768             case LFUN_RIGHT:
 769                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 770                     moveRightIntern(bv, false, false);
 771                 dispatched = true;
 772                 break;
 773             case LFUN_LEFT:
 774                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 775                     moveRightIntern(bv, false, false);
 776                 dispatched = true;
 777                 break;
 778             }
 779             the_locking_inset = 0;
 780             if (dispatched)
 781                 return DISPATCHED;
 782         }
 783     }
 784     HideInsetCursor(bv);
 785     switch (action) {
 786         // Normal chars
 787     case LFUN_UNKNOWN_ACTION:
 788         if (bv->buffer()->isReadonly()) {
 789 //          setErrorMessage(N_("Document is read only"));
 790             break;
 791         }
 792         if (!arg.empty()) {
 793             /* Automatically delete the currently selected
 794              * text and replace it with what is being
 795              * typed in now. Depends on lyxrc settings
 796              * "auto_region_delete", which defaults to
 797              * true (on). */
 798
 799             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 800 #ifndef NEW_INSETS
 801                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 802                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 803 #else
 804                               bv->text->cursor.par()->previous,
 805                               bv->text->cursor.par()->next
 806 #endif
 807                     );
 808             bv->setState();
 809             if (lyxrc.auto_region_delete) {
 810                 if (TEXT(bv)->selection){
 811                     TEXT(bv)->CutSelection(bv, false);
 812                 }
 813             }
 814             TEXT(bv)->ClearSelection(bv);
 815             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 816             for (string::size_type i = 0; i < arg.length(); ++i) {
 817                 if (greek_kb_flag) {
 818                     if (!math_insert_greek(bv, arg[i])) {
 819                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 820                     } else if (!the_locking_inset) {
 821                         (void)moveRight(bv, false);
 822                     }
 823                 } else {
 824                     bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 825                 }
 826             }
 827         }
 828         UpdateLocal(bv, CURSOR_PAR, true);
 829         result=DISPATCHED_NOUPDATE;
 830         break;
 831         // --- Cursor Movements ---------------------------------------------
 832     case LFUN_RIGHTSEL:
 833         bv->text->FinishUndo();
 834         moveRight(bv, false, true);
 835         TEXT(bv)->SetSelection(bv);
 836         UpdateLocal(bv, SELECTION, false);
 837         break;
 838     case LFUN_RIGHT:
 839         result = moveRight(bv);
 840         bv->text->FinishUndo();
 841         UpdateLocal(bv, CURSOR, false);
 842         break;
 843     case LFUN_LEFTSEL:
 844         bv->text->FinishUndo();
 845         moveLeft(bv, false, true);
 846         TEXT(bv)->SetSelection(bv);
 847         UpdateLocal(bv, SELECTION, false);
 848         break;
 849     case LFUN_LEFT:
 850         bv->text->FinishUndo();
 851         result = moveLeft(bv);
 852         UpdateLocal(bv, CURSOR, false);
 853         break;
 854     case LFUN_DOWNSEL:
 855         bv->text->FinishUndo();
 856         moveDown(bv);
 857         TEXT(bv)->SetSelection(bv);
 858         UpdateLocal(bv, SELECTION, false);
 859         break;
 860     case LFUN_DOWN:
 861         bv->text->FinishUndo();
 862         result = moveDown(bv);
 863         UpdateLocal(bv, CURSOR, false);
 864         break;
 865     case LFUN_UPSEL:
 866         bv->text->FinishUndo();
 867         moveUp(bv);
 868         TEXT(bv)->SetSelection(bv);
 869         UpdateLocal(bv, SELECTION, false);
 870         break;
 871     case LFUN_UP:
 872         bv->text->FinishUndo();
 873         result = moveUp(bv);
 874         UpdateLocal(bv, CURSOR, false);
 875         break;
 876     case LFUN_HOME:
 877         bv->text->FinishUndo();
 878         TEXT(bv)->CursorHome(bv);
 879         UpdateLocal(bv, CURSOR, false);
 880         break;
 881     case LFUN_END:
 882         TEXT(bv)->CursorEnd(bv);
 883         UpdateLocal(bv, CURSOR, false);
 884         break;
 885     case LFUN_BACKSPACE:
 886         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 887 #ifndef NEW_INSETS
 888           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 889           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 890 #else
 891           bv->text->cursor.par()->previous,
 892           bv->text->cursor.par()->next
 893 #endif
 894                 );
 895         if (TEXT(bv)->selection)
 896             TEXT(bv)->CutSelection(bv);
 897         else
 898             TEXT(bv)->Backspace(bv);
 899         UpdateLocal(bv, CURSOR_PAR, true);
 900         break;
 901     case LFUN_DELETE:
 902         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 903 #ifndef NEW_INSETS
 904           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 905           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 906 #else
 907           bv->text->cursor.par()->previous,
 908           bv->text->cursor.par()->next
 909 #endif
 910                 );
 911         if (TEXT(bv)->selection)
 912             TEXT(bv)->CutSelection(bv);
 913         else
 914             TEXT(bv)->Delete(bv);
 915         UpdateLocal(bv, CURSOR_PAR, true);
 916         break;
 917     case LFUN_CUT:
 918         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 919 #ifndef NEW_INSETS
 920           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 921           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 922 #else
 923           bv->text->cursor.par()->previous,
 924           bv->text->cursor.par()->next
 925 #endif
 926                 );
 927         TEXT(bv)->CutSelection(bv);
 928         UpdateLocal(bv, CURSOR_PAR, true);
 929         break;
 930     case LFUN_COPY:
 931         bv->text->FinishUndo();
 932         TEXT(bv)->CopySelection(bv);
 933         UpdateLocal(bv, CURSOR_PAR, false);
 934         break;
 935     case LFUN_PASTESELECTION:
 936     {
 937         string clip(bv->workarea()->getClipboard());
 938
 939         if (clip.empty())
 940             break;
 941         if (arg == "paragraph") {
 942                 TEXT(bv)->InsertStringB(bv, clip);
 943         } else {
 944                 TEXT(bv)->InsertStringA(bv, clip);
 945         }
 946         UpdateLocal(bv, CURSOR_PAR, true);
 947         break;
 948     }
 949     case LFUN_PASTE:
 950         if (!autoBreakRows) {
 951             CutAndPaste cap;
 952
 953             if (cap.nrOfParagraphs() > 1) {
 954                 WriteAlert(_("Impossible operation"),
 955                            _("Cannot include more than one paragraph!"),
 956                            _("Sorry."));
 957                 break;
 958             }
 959         }
 960         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 961 #ifndef NEW_INSETS
 962           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 963           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 964 #else
 965           bv->text->cursor.par()->previous,
 966           bv->text->cursor.par()->next
 967 #endif
 968                 );
 969         TEXT(bv)->PasteSelection(bv);
 970         UpdateLocal(bv, CURSOR_PAR, true);
 971         break;
 972     case LFUN_BREAKPARAGRAPH:
 973         if (!autoBreakRows)
 974             return DISPATCHED;
 975         TEXT(bv)->BreakParagraph(bv, 0);
 976         UpdateLocal(bv, FULL, true);
 977         break;
 978     case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 979         if (!autoBreakRows)
 980             return DISPATCHED;
 981         TEXT(bv)->BreakParagraph(bv, 1);
 982         UpdateLocal(bv, FULL, true);
 983         break;
 984     case LFUN_BREAKLINE:
 985         if (!autoBreakRows)
 986             return DISPATCHED;
 987         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 988 #ifndef NEW_INSETS
 989             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 990             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 991 #else
 992             bv->text->cursor.par()->previous,
 993             bv->text->cursor.par()->next
 994 #endif
 995                 );
 996         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 997         UpdateLocal(bv, CURSOR_PAR, true);
 998         break;
 999     case LFUN_LAYOUT:
1000         // do not set layouts on non breakable textinsets
1001         if (autoBreakRows) {
1002             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1003
1004             // Derive layout number from given argument (string)
1005             // and current buffer's textclass (number). */
1006             LyXTextClassList::ClassList::size_type tclass =
1007                 bv->buffer()->params.textclass;
1008             std::pair <bool, LyXTextClass::size_type> layout =
1009                 textclasslist.NumberOfLayout(tclass, arg);
1010
1011             // If the entry is obsolete, use the new one instead.
1012             if (layout.first) {
1013                 string obs = textclasslist.Style(tclass,layout.second).
1014                     obsoleted_by();
1015                 if (!obs.empty())
1016                     layout = textclasslist.NumberOfLayout(tclass, obs);
1017             }
1018
1019             // see if we found the layout number:
1020             if (!layout.first) {
1021                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1022
1023                 bv->owner()->getMiniBuffer()->Set(msg);
1024                 break;
1025             }
1026
1027             if (cur_layout != layout.second) {
1028                 cur_layout = layout.second;
1029                 TEXT(bv)->SetLayout(bv, layout.second);
1030                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1031                 UpdateLocal(bv, CURSOR_PAR, true);
1032             }
1033         } else {
1034             // reset the layout box
1035             bv->owner()->setLayout(cpar(bv)->GetLayout());
1036         }
1037         break;
1038     case LFUN_PARAGRAPH_SPACING:
1039             // This one is absolutely not working. When fiddling with this
1040             // it also seems to me that the paragraphs inside the insettext
1041             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1042     {
1043             LyXParagraph * par = TEXT(bv)->cursor.par();
1044             Spacing::Space cur_spacing = par->spacing.getSpace();
1045             float cur_value = 1.0;
1046             if (cur_spacing == Spacing::Other) {
1047                     cur_value = par->spacing.getValue();
1048             }
1049
1050             std::istringstream istr(arg.c_str());
1051             string tmp;
1052             istr >> tmp;
1053             Spacing::Space new_spacing = cur_spacing;
1054             float new_value = cur_value;
1055             if (tmp.empty()) {
1056                     lyxerr << "Missing argument to `paragraph-spacing'"
1057                            << endl;
1058             } else if (tmp == "single") {
1059                     new_spacing = Spacing::Single;
1060             } else if (tmp == "onehalf") {
1061                     new_spacing = Spacing::Onehalf;
1062             } else if (tmp == "double") {
1063                     new_spacing = Spacing::Double;
1064             } else if (tmp == "other") {
1065                     new_spacing = Spacing::Other;
1066                     float tmpval = 0.0;
1067                     istr >> tmpval;
1068                     lyxerr << "new_value = " << tmpval << endl;
1069                     if (tmpval != 0.0)
1070                             new_value = tmpval;
1071             } else if (tmp == "default") {
1072                     new_spacing = Spacing::Default;
1073             } else {
1074                     lyxerr << _("Unknown spacing argument: ")
1075                            << arg << endl;
1076             }
1077             if (cur_spacing != new_spacing || cur_value != new_value) {
1078                     par->spacing.set(new_spacing, new_value);
1079                     //TEXT(bv)->RedoParagraph(owner->view());
1080                     UpdateLocal(bv, CURSOR_PAR, true);
1081                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1082             }
1083     }
1084     break;
1085
1086     default:
1087         result = UNDISPATCHED;
1088         break;
1089     }
1090
1091     /// If the action has deleted all text in the inset, we need to change the
1092     // language to the language to the surronding text.
1093     if (par->Last() == 0 && !par->next) {
1094         LyXFont font(LyXFont::ALL_IGNORE);
1095         font.setLanguage(bv->getParentLanguage(this));
1096         SetFont(bv, font, false);
1097     }
1098
1099     if (result != FINISHED) {
1100         ShowInsetCursor(bv);
1101     } else
1102         bv->unlockInset(this);
1103     return result;
1104 }
1105
1106
1107 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1108 {
1109     TexRow texrow;
1110     buf->latexParagraphs(os, par, 0, texrow);
1111     return texrow.rows();
1112 }
1113
1114
1115 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1116 {
1117     LyXParagraph * p = par;
1118     unsigned int lines = 0;
1119
1120     string tmp;
1121     while (p) {
1122         tmp = buf->asciiParagraph(p, linelen);
1123         lines += countChar(tmp, '\n');
1124         os << tmp;
1125         p = p->next;
1126     }
1127     return lines;
1128 }
1129
1130
1131 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1132 {
1133     LyXParagraph * p = par;
1134     unsigned int lines = 0;
1135     int desc=0;
1136
1137     string tmp;
1138     while (p) {
1139         buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1140         p = p->next;
1141     }
1142
1143     return lines;
1144 }
1145
1146
1147 void InsetText::Validate(LaTeXFeatures & features) const
1148 {
1149     LyXParagraph * p = par;
1150     while(p) {
1151         p->validate(features);
1152         p = p->next;
1153     }
1154 }
1155
1156
1157 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1158 {
1159     if (textclasslist.Style(buf->params.textclass,
1160                             p->GetLayout()).labeltype != LABEL_MANUAL)
1161         return 0;
1162     else
1163         return p->BeginningOfMainBody();
1164 }
1165
1166
1167 void InsetText::GetCursorPos(BufferView * bv,
1168                              int & x, int & y) const
1169 {
1170     x = cx(bv);
1171     y = cy(bv);
1172 }
1173
1174
1175 unsigned int InsetText::InsetInInsetY()
1176 {
1177     if (!the_locking_inset)
1178         return 0;
1179
1180     return (inset_y + the_locking_inset->InsetInInsetY());
1181 }
1182
1183
1184 void InsetText::ToggleInsetCursor(BufferView * bv)
1185 {
1186     if (the_locking_inset) {
1187         the_locking_inset->ToggleInsetCursor(bv);
1188         return;
1189     }
1190
1191     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1192
1193     int asc = lyxfont::maxAscent(font);
1194     int desc = lyxfont::maxDescent(font);
1195
1196     if (cursor_visible)
1197         bv->hideLockedInsetCursor();
1198     else
1199         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1200     cursor_visible = !cursor_visible;
1201 }
1202
1203
1204 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1205 {
1206     if (the_locking_inset) {
1207         the_locking_inset->ShowInsetCursor(bv);
1208         return;
1209     }
1210     if (!cursor_visible) {
1211         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1212
1213         int asc = lyxfont::maxAscent(font);
1214         int desc = lyxfont::maxDescent(font);
1215
1216         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1217         if (show)
1218             bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1219         cursor_visible = true;
1220     }
1221 }
1222
1223
1224 void InsetText::HideInsetCursor(BufferView * bv)
1225 {
1226     if (cursor_visible) {
1227         bv->hideLockedInsetCursor();
1228         cursor_visible = false;
1229     }
1230     if (the_locking_inset)
1231         the_locking_inset->HideInsetCursor(bv);
1232 }
1233
1234
1235 UpdatableInset::RESULT
1236 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1237 {
1238     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1239         return moveLeftIntern(bv, false, activate_inset, selecting);
1240     else
1241         return moveRightIntern(bv, false, activate_inset, selecting);
1242 }
1243
1244 UpdatableInset::RESULT
1245 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1246 {
1247     if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1248         return moveRightIntern(bv, true, activate_inset, selecting);
1249     else
1250         return moveLeftIntern(bv, true, activate_inset, selecting);
1251 }
1252
1253
1254 UpdatableInset::RESULT
1255 InsetText::moveRightIntern(BufferView * bv, bool behind,
1256                            bool activate_inset, bool selecting)
1257 {
1258     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1259         return FINISHED;
1260     if (activate_inset && checkAndActivateInset(bv, behind))
1261         return DISPATCHED;
1262     TEXT(bv)->CursorRight(bv);
1263     if (!selecting)
1264             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1265     return DISPATCHED_NOUPDATE;
1266 }
1267
1268
1269 UpdatableInset::RESULT
1270 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1271                           bool activate_inset, bool selecting)
1272 {
1273     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1274         return FINISHED;
1275     TEXT(bv)->CursorLeft(bv);
1276     if (!selecting)
1277             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1278     if (activate_inset && checkAndActivateInset(bv, behind))
1279         return DISPATCHED;
1280     return DISPATCHED_NOUPDATE;
1281 }
1282
1283
1284 UpdatableInset::RESULT
1285 InsetText::moveUp(BufferView * bv)
1286 {
1287     if (!crow(bv)->previous())
1288         return FINISHED;
1289     TEXT(bv)->CursorUp(bv);
1290     return DISPATCHED_NOUPDATE;
1291 }
1292
1293
1294 UpdatableInset::RESULT
1295 InsetText::moveDown(BufferView * bv)
1296 {
1297     if (!crow(bv)->next())
1298         return FINISHED;
1299     TEXT(bv)->CursorDown(bv);
1300     return DISPATCHED_NOUPDATE;
1301 }
1302
1303
1304 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1305 {
1306     if (the_locking_inset) {
1307         if (the_locking_inset->InsertInsetAllowed(inset))
1308             return the_locking_inset->InsertInset(bv, inset);
1309         return false;
1310     }
1311     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1312 #ifndef NEW_INSETS
1313               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1314               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1315 #else
1316               bv->text->cursor.par()->previous,
1317               bv->text->cursor.par()->next
1318 #endif
1319             );
1320     inset->setOwner(this);
1321     HideInsetCursor(bv);
1322     TEXT(bv)->InsertInset(bv, inset);
1323 #if 0
1324     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1325         (cpar(bv)->GetInset(cpos(bv)) != inset))
1326         TEXT(bv)->CursorLeft(bv);
1327 #endif
1328     bv->fitCursor(TEXT(bv));
1329     UpdateLocal(bv, CURSOR_PAR|CURSOR, true);
1330     ShowInsetCursor(bv);
1331     return true;
1332 }
1333
1334
1335 UpdatableInset * InsetText::GetLockingInset()
1336 {
1337     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1338 }
1339
1340
1341 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1342 {
1343     if (c == LyxCode())
1344         return this;
1345     if (the_locking_inset)
1346         return the_locking_inset->GetFirstLockingInsetOfType(c);
1347     return 0;
1348 }
1349
1350
1351 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1352 {
1353     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1354 #ifndef NEW_INSETS
1355               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1356               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1357 #else
1358               bv->text->cursor.par()->previous,
1359               bv->text->cursor.par()->next
1360 #endif
1361             );
1362     TEXT(bv)->SetFont(bv, font, toggleall);
1363     bv->fitCursor(TEXT(bv));
1364     UpdateLocal(bv, CURSOR_PAR, true);
1365 }
1366
1367
1368 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1369 {
1370     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1371         unsigned int x;
1372         unsigned int y;
1373         Inset * inset =
1374             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1375         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1376             return false;
1377         LyXFont const font =
1378                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1379         if (behind) {
1380             x = inset->width(bv, font);
1381             y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1382         } else {
1383             x = 0;
1384             y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1385         }
1386         //inset_x = cx(bv) - top_x + drawTextXOffset;
1387         //inset_y = cy(bv) + drawTextYOffset;
1388         inset->Edit(bv, x, y, 0);
1389         if (!the_locking_inset)
1390             return false;
1391         UpdateLocal(bv, CURSOR_PAR, false);
1392         return true;
1393     }
1394     return false;
1395 }
1396
1397
1398 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1399                                       int button)
1400 {
1401     x = x - drawTextXOffset;
1402     y = y + insetAscent;
1403     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1404
1405     if (inset) {
1406         if (x < 0)
1407             x = insetWidth;
1408         if (y < 0)
1409             y = insetDescent;
1410         inset_x = cx(bv) - top_x + drawTextXOffset;
1411         inset_y = cy(bv) + drawTextYOffset;
1412         inset->Edit(bv, x - inset_x, y - inset_y, button);
1413         if (!the_locking_inset)
1414             return false;
1415         UpdateLocal(bv, CURSOR_PAR, false);
1416         return true;
1417     }
1418     return false;
1419 }
1420
1421
1422 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1423 {
1424     int w = UpdatableInset::getMaxWidth(pain, inset);
1425     if (w < 0) {
1426         return w;
1427     }
1428     if (owner()) {
1429         w = w - top_x + owner()->x();
1430         return w;
1431     }
1432     w -= (2 * TEXT_TO_INSET_OFFSET);
1433     return w - top_x;
1434 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1435 }
1436
1437
1438 void InsetText::SetParagraphData(LyXParagraph *p)
1439 {
1440     // delete all instances of LyXText before deleting the paragraps used
1441     // by it.
1442     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1443         delete (*cit).second;
1444         (*cit).second = 0;
1445     }
1446
1447     LyXParagraph * np;
1448     if (par) {
1449         np = par->next;
1450         delete par;
1451         while(np) {
1452             par = np;
1453             np = np->next;
1454             delete par;
1455         }
1456     }
1457     par = p->Clone();
1458     par->SetInsetOwner(this);
1459     np = par;
1460     while(p->next) {
1461         p = p->next;
1462         np->next = p->Clone();
1463         np->next->previous = np;
1464         np = np->next;
1465         np->SetInsetOwner(this);
1466     }
1467     need_update = INIT;
1468 }
1469
1470
1471 void InsetText::SetText(string const & data)
1472 {
1473     clear();
1474     LyXFont font(LyXFont::ALL_SANE);
1475     for(unsigned int i=0; i < data.length(); ++i)
1476         par->InsertChar(i, data[i], font);
1477 }
1478
1479
1480 void InsetText::SetAutoBreakRows(bool flag)
1481 {
1482     if (flag != autoBreakRows) {
1483         autoBreakRows = flag;
1484         need_update = FULL;
1485         if (!flag)
1486             removeNewlines();
1487     }
1488 }
1489
1490
1491 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1492 {
1493     if (how != drawFrame) {
1494         drawFrame = how;
1495         if (bv)
1496             UpdateLocal(bv, DRAW_FRAME, false);
1497     }
1498 }
1499
1500
1501 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1502 {
1503     if (frame_color != col) {
1504         frame_color = col;
1505         if (bv)
1506             UpdateLocal(bv, DRAW_FRAME, false);
1507     }
1508 }
1509
1510 #if 0
1511 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1512 {
1513     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1514 }
1515 #endif
1516
1517
1518 int InsetText::cx(BufferView * bv) const
1519 {
1520         LyXText * text = TEXT(bv);
1521         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1522         if (the_locking_inset) {
1523                 LyXFont font = text->GetFont(bv->buffer(),
1524                                      text->cursor.par(), text->cursor.pos());
1525                 if (font.isVisibleRightToLeft())
1526                         x -= the_locking_inset->width(bv, font);
1527         }
1528         return x;
1529 }
1530
1531
1532 int InsetText::cy(BufferView * bv) const
1533 {
1534     LyXFont font;
1535     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1536 }
1537
1538
1539 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1540 {
1541     return TEXT(bv)->cursor.pos();
1542 }
1543
1544
1545 LyXParagraph * InsetText::cpar(BufferView * bv) const
1546 {
1547     return TEXT(bv)->cursor.par();
1548 }
1549
1550 bool InsetText::cboundary(BufferView * bv) const
1551 {
1552     return TEXT(bv)->cursor.boundary();
1553 }
1554
1555
1556 Row * InsetText::crow(BufferView * bv) const
1557 {
1558     return TEXT(bv)->cursor.row();
1559 }
1560
1561
1562 LyXText * InsetText::getLyXText(BufferView const * lbv, bool const recursive) const
1563 {
1564     // Super UGLY! (Lgb)
1565     BufferView * bv = const_cast<BufferView *>(lbv);
1566
1567     if ((cache.find(bv) != cache.end()) && cache[bv]) {
1568         if (recursive && the_locking_inset)
1569             return the_locking_inset->getLyXText(bv);
1570         return cache[bv];
1571     }
1572     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1573     lt->init(bv);
1574     cache[bv] = lt;
1575     if (the_locking_inset) {
1576        lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1577        if (recursive)
1578            return the_locking_inset->getLyXText(bv);
1579     }
1580     return lt;
1581 }
1582
1583
1584 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1585 {
1586     if ((cache.find(bv) == cache.end()) || !cache[bv])
1587         return;
1588     delete cache[bv];
1589     cache.erase(bv);
1590     if (recursive) {
1591         /// then remove all LyXText in text-insets
1592         LyXParagraph * p = par;
1593         for (;p;p = p->next) {
1594             p->deleteInsetsLyXText(bv);
1595         }
1596     }
1597 }
1598
1599
1600 void InsetText::resizeLyXText(BufferView * bv) const
1601 {
1602     if (!par->next && !par->size()) // resize not neccessary!
1603         return;
1604     if ((cache.find(bv) == cache.end()) || !cache[bv])
1605         return;
1606
1607     LyXParagraph * lpar = 0;
1608     LyXParagraph * selstartpar = 0;
1609     LyXParagraph * selendpar = 0;
1610     LyXParagraph::size_type pos = 0;
1611     LyXParagraph::size_type selstartpos = 0;
1612     LyXParagraph::size_type selendpos = 0;
1613     bool boundary = false;
1614     bool selstartboundary = false;
1615     bool selendboundary = false;
1616     int selection = 0;
1617     int mark_set = 0;
1618
1619 //    ProhibitInput(bv);
1620
1621     if (locked) {
1622         lpar = TEXT(bv)->cursor.par();
1623         pos = TEXT(bv)->cursor.pos();
1624         boundary = TEXT(bv)->cursor.boundary();
1625         selstartpar = TEXT(bv)->sel_start_cursor.par();
1626         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1627         selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1628         selendpar = TEXT(bv)->sel_end_cursor.par();
1629         selendpos = TEXT(bv)->sel_end_cursor.pos();
1630         selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1631         selection = TEXT(bv)->selection;
1632         mark_set = TEXT(bv)->mark_set;
1633     }
1634     deleteLyXText(bv, (the_locking_inset == 0));
1635
1636     if (lpar) {
1637         TEXT(bv)->selection = true;
1638         /* at this point just to avoid the Delete-Empty-Paragraph
1639          * Mechanism when setting the cursor */
1640         TEXT(bv)->mark_set = mark_set;
1641         if (selection) {
1642             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,true,
1643                                 selstartboundary);
1644             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1645             TEXT(bv)->SetCursor(bv, selendpar, selendpos, true, selendboundary);
1646             TEXT(bv)->SetSelection(bv);
1647             TEXT(bv)->SetCursor(bv, lpar, pos);
1648         } else {
1649             TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1650             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1651             TEXT(bv)->selection = false;
1652         }
1653     }
1654     if (bv->screen())
1655             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1656     // this will scroll the screen such that the cursor becomes visible
1657     bv->updateScrollbar();
1658 //    AllowInput(bv);
1659     if (the_locking_inset) {
1660         /// then resize all LyXText in text-insets
1661         inset_x = cx(bv) - top_x + drawTextXOffset;
1662         inset_y = cy(bv) + drawTextYOffset;
1663         for (LyXParagraph * p = par; p; p = p->next) {
1664             p->resizeInsetsLyXText(bv);
1665         }
1666     }
1667     need_update = FULL;
1668 }
1669
1670
1671 void InsetText::removeNewlines()
1672 {
1673     for (LyXParagraph * p = par; p; p = p->next) {
1674         for (int i = 0; i < p->Last(); ++i) {
1675             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1676                 p->Erase(i);
1677         }
1678     }
1679 }