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 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==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 //      printf("InsetText::draw1 -> INIT(%d)\n",insetWidth);
 317         need_update = INIT;
 318         top_x = int(x);
 319         bv->text->status = LyXText::CHANGED_IN_DRAW;
 320         return;
 321     }
 322
 323     top_baseline = baseline;
 324     top_y = baseline - ascent(bv, f);
 325     last_width = width(bv, f);
 326     last_height = ascent(bv, f) + descent(bv, f);
 327
 328     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 329         inset_x = cx(bv) - top_x + drawTextXOffset;
 330         inset_y = cy(bv) + drawTextYOffset;
 331     }
 332     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 333         x += width(bv, f);
 334         need_update = NONE;
 335         return;
 336     }
 337     x += TEXT_TO_INSET_OFFSET;
 338     {
 339         int y = 0;
 340         Row * row = TEXT(bv)->GetRowNearY(y);
 341         int y_offset = baseline - row->ascent_of_text();
 342         int ph = pain.paperHeight();
 343         int first = 0;
 344         y = y_offset;
 345         while ((row != 0) && ((y+row->height()) <= 0)) {
 346             y += row->height();
 347             first += row->height();
 348             row = row->next();
 349         }
 350         if (y_offset < 0)
 351             y_offset = y;
 352         TEXT(bv)->first = first;
 353         if (cleared || !locked || (need_update==FULL) || (need_update==INIT)) {
 354             int yf = y_offset;
 355             y = 0;
 356             while ((row != 0) && (yf < ph)) {
 357                     TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 358                                             y+first, cleared);
 359                 y += row->height();
 360                 yf += row->height();
 361                 row = row->next();
 362             }
 363         } else if (need_update == SELECTION) {
 364             bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 365         } else {
 366             locked = false;
 367             if (need_update == CURSOR) {
 368                 bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 369                 TEXT(bv)->ClearSelection();
 370                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 371             }
 372             bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 373             locked = true;
 374         }
 375     }
 376     TEXT(bv)->refresh_y = 0;
 377     TEXT(bv)->status = LyXText::UNCHANGED;
 378     if ((need_update != CURSOR_PAR) &&
 379         ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)))
 380     {
 381             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 382                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 383                            frame_color);
 384     } else if (need_update == CLEAR_FRAME) {
 385             pain.rectangle(top_x + 1, baseline - insetAscent + 1,
 386                            width(bv, f) - 1, insetAscent + insetDescent - 1,
 387                            LColor::background);
 388     }
 389     x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 390     if (bv->text->status==LyXText::CHANGED_IN_DRAW)
 391     {
 392         need_update = INIT;
 393 //      printf("InsetText::draw2 -> INIT(%d)\n",insetWidth);
 394     }
 395     else if (need_update != INIT)
 396         need_update = NONE;
 397 }
 398
 399
 400 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 401 {
 402     if (reinit) {  // && (need_update != CURSOR)) {
 403         need_update = INIT;
 404         resizeLyXText(bv);
 405         if (owner())
 406             owner()->update(bv, font, true);
 407         return;
 408     }
 409     if (the_locking_inset) {
 410         inset_x = cx(bv) - top_x + drawTextXOffset;
 411         inset_y = cy(bv) + drawTextYOffset;
 412         the_locking_inset->update(bv, font, reinit);
 413     }
 414     if (need_update == INIT) {
 415         resizeLyXText(bv);
 416         need_update = FULL;
 417     }
 418     int oldw = insetWidth;
 419 #if 1
 420     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 421     // max(textWidth(bv->painter()),
 422     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 423     // (2 * TEXT_TO_INSET_OFFSET);
 424 #else
 425     insetWidth = textWidth(bv->painter());
 426     if (insetWidth < 0)
 427             insetWidth = static_cast<int>(TEXT(bv)->width);
 428 #endif
 429     if (oldw != insetWidth) {
 430 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 431 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 432         resizeLyXText(bv);
 433         need_update = FULL;
 434         update(bv, font, reinit);
 435         return;
 436     }
 437     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 438         the_locking_inset)
 439     {
 440         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 441     }
 442
 443     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 444         need_update = FULL;
 445
 446     int y_temp = 0;
 447     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 448     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 449     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 450         TEXT_TO_INSET_OFFSET;
 451 }
 452
 453
 454 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 455 {
 456 //    if (what == INIT)
 457 //      printf("InsetText::UpdateLocal -> INIT(%d)\n",insetWidth);
 458     TEXT(bv)->FullRebreak(bv);
 459     if (need_update != INIT) {
 460         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 461             need_update = FULL;
 462         else if (!the_locking_inset || (what != CURSOR))
 463             need_update = what;
 464     }
 465     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 466         TEXT(bv)->selection)
 467             bv->updateInset(this, mark_dirty);
 468     bv->owner()->showState();
 469     if (old_par != cpar(bv)) {
 470             bv->owner()->setLayout(cpar(bv)->GetLayout());
 471             old_par = cpar(bv);
 472     }
 473 }
 474
 475
 476 string const InsetText::EditMessage() const
 477 {
 478     return _("Opened Text Inset");
 479 }
 480
 481
 482 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 483 {
 484 //    par->SetInsetOwner(this);
 485     UpdatableInset::Edit(bv, x, y, button);
 486
 487     if (!bv->lockInset(this)) {
 488         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 489         return;
 490     }
 491     locked = true;
 492     the_locking_inset = 0;
 493     inset_pos = inset_x = inset_y = 0;
 494     inset_boundary = false;
 495     inset_par = 0;
 496     old_par = 0;
 497     if (!checkAndActivateInset(bv, x, y, button))
 498         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 499                                            y+insetAscent);
 500     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 501     bv->text->FinishUndo();
 502     ShowInsetCursor(bv);
 503     UpdateLocal(bv, FULL, false);
 504 }
 505
 506
 507 void InsetText::InsetUnlock(BufferView * bv)
 508 {
 509     if (the_locking_inset) {
 510         the_locking_inset->InsetUnlock(bv);
 511         the_locking_inset = 0;
 512     }
 513     HideInsetCursor(bv);
 514     no_selection = false;
 515     locked = false;
 516     TEXT(bv)->selection = 0;
 517     UpdateLocal(bv, CLEAR_FRAME, false);
 518     if (owner())
 519             bv->owner()->setLayout(owner()->getLyXText(bv)
 520                                     ->cursor.par()->GetLayout());
 521     else
 522             bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 523 }
 524
 525
 526 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 527 {
 528     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 529     if (!inset)
 530         return false;
 531     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 532         lyxerr[Debug::INSETS] << "OK" << endl;
 533         the_locking_inset = inset;
 534         inset_x = cx(bv) - top_x + drawTextXOffset;
 535         inset_y = cy(bv) + drawTextYOffset;
 536         inset_pos = cpos(bv);
 537         inset_par = cpar(bv);
 538         inset_boundary = cboundary(bv);
 539         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 540         return true;
 541     } else if (the_locking_inset && (the_locking_inset == inset)) {
 542         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 543             lyxerr[Debug::INSETS] << "OK" << endl;
 544             inset_x = cx(bv) - top_x + drawTextXOffset;
 545             inset_y = cy(bv) + drawTextYOffset;
 546         } else {
 547             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 548         }
 549     } else if (the_locking_inset) {
 550         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 551         return the_locking_inset->LockInsetInInset(bv, inset);
 552     }
 553     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 554     return false;
 555 }
 556
 557
 558 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 559                                    bool lr)
 560 {
 561     if (!the_locking_inset)
 562         return false;
 563     if (the_locking_inset == inset) {
 564         the_locking_inset->InsetUnlock(bv);
 565         TEXT(bv)->UpdateInset(bv, inset);
 566         the_locking_inset = 0;
 567         if (lr)
 568             moveRight(bv, false);
 569         old_par = 0; // force layout setting
 570         UpdateLocal(bv, CURSOR_PAR, false);
 571         return true;
 572     }
 573     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 574 }
 575
 576
 577 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 578 {
 579     if (!the_locking_inset)
 580         return false;
 581     if (the_locking_inset != inset) {
 582         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 583         need_update = CURSOR_PAR;
 584         return the_locking_inset->UpdateInsetInInset(bv, inset);
 585     }
 586 //    UpdateLocal(bv, FULL, false);
 587     if (TEXT(bv)->UpdateInset(bv, inset))
 588         UpdateLocal(bv, CURSOR_PAR, false);
 589     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 590         inset_x = cx(bv) - top_x + drawTextXOffset;
 591         inset_y = cy(bv) + drawTextYOffset;
 592     }
 593     return true;
 594 }
 595
 596
 597 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 598 {
 599     no_selection = false;
 600
 601     int tmp_x = x - drawTextXOffset;
 602     int tmp_y = y + insetAscent - TEXT(bv)->first;
 603     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 604
 605     HideInsetCursor(bv);
 606     if (the_locking_inset) {
 607         if (the_locking_inset == inset) {
 608             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 609             return;
 610         } else if (inset) {
 611             // otherwise unlock the_locking_inset and lock the new inset
 612             the_locking_inset->InsetUnlock(bv);
 613             inset_x = cx(bv) - top_x + drawTextXOffset;
 614             inset_y = cy(bv) + drawTextYOffset;
 615             the_locking_inset = static_cast<UpdatableInset*>(inset);
 616             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 617             inset->Edit(bv, x - inset_x, y - inset_y, button);
 618             if (the_locking_inset) {
 619                 UpdateLocal(bv, CURSOR_PAR, false);
 620             }
 621             return;
 622         }
 623         // otherwise only unlock the_locking_inset
 624         the_locking_inset->InsetUnlock(bv);
 625         the_locking_inset = 0;
 626     }
 627     if (bv->theLockingInset()) {
 628         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 629             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 630             inset_x = cx(bv) - top_x + drawTextXOffset;
 631             inset_y = cy(bv) + drawTextYOffset;
 632             inset_pos = cpos(bv);
 633             inset_par = cpar(bv);
 634             inset_boundary = cboundary(bv);
 635             the_locking_inset = uinset;
 636             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 637             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 638 //          TEXT(bv)->ClearSelection();
 639             if (the_locking_inset) {
 640                 UpdateLocal(bv, CURSOR_PAR, false);
 641             }
 642             return;
 643         }
 644     }
 645     if (!inset) {
 646         bool paste_internally = false;
 647         if ((button == 2) && TEXT(bv)->selection) {
 648             LocalDispatch(bv, LFUN_COPY, "");
 649             paste_internally = true;
 650         }
 651         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 652                                            y + insetAscent);
 653         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 654         UpdateLocal(bv, CURSOR, false);
 655         bv->owner()->setLayout(cpar(bv)->GetLayout());
 656         old_par = cpar(bv);
 657         // Insert primary selection with middle mouse
 658         // if there is a local selection in the current buffer,
 659         // insert this
 660         if (button == 2) {
 661             if (paste_internally)
 662                 LocalDispatch(bv, LFUN_PASTE, "");
 663             else
 664                 LocalDispatch(bv, LFUN_PASTESELECTION, "paragraph");
 665         }
 666     }
 667     ShowInsetCursor(bv);
 668 }
 669
 670
 671 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 672 {
 673     UpdatableInset * inset = 0;
 674
 675     if (the_locking_inset) {
 676             the_locking_inset->InsetButtonRelease(bv,
 677                                                   x - inset_x, y - inset_y,
 678                                                   button);
 679     } else {
 680         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 681             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 682             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 683                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 684             } else {
 685                 inset_x = cx(bv) - top_x + drawTextXOffset;
 686                 inset_y = cy(bv) + drawTextYOffset;
 687                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 688                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 689             }
 690             UpdateLocal(bv, CURSOR_PAR, false);
 691         }
 692     }
 693     no_selection = false;
 694 }
 695
 696
 697 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 698 {
 699     if (the_locking_inset) {
 700         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 701                                              y - inset_y,state);
 702         return;
 703     }
 704     if (!no_selection) {
 705         HideInsetCursor(bv);
 706         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 707                                            y+insetAscent);
 708         TEXT(bv)->SetSelection();
 709         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 710             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 711             UpdateLocal(bv, SELECTION, false);
 712         ShowInsetCursor(bv);
 713     }
 714     no_selection = false;
 715 }
 716
 717
 718 void InsetText::InsetKeyPress(XKeyEvent * xke)
 719 {
 720     if (the_locking_inset) {
 721         the_locking_inset->InsetKeyPress(xke);
 722         return;
 723     }
 724 }
 725
 726
 727 UpdatableInset::RESULT
 728 InsetText::LocalDispatch(BufferView * bv,
 729                          int action, string const & arg)
 730 {
 731     no_selection = false;
 732     UpdatableInset::RESULT
 733         result= UpdatableInset::LocalDispatch(bv, action, arg);
 734     if (result != UNDISPATCHED) {
 735         return DISPATCHED;
 736     }
 737
 738     result=DISPATCHED;
 739     if ((action < 0) && arg.empty())
 740         return FINISHED;
 741
 742     if (the_locking_inset) {
 743         result = the_locking_inset->LocalDispatch(bv, action, arg);
 744         if (result == DISPATCHED_NOUPDATE)
 745             return result;
 746         else if (result == DISPATCHED) {
 747             UpdateLocal(bv, CURSOR_PAR, false);
 748             return result;
 749         } else if (result == FINISHED) {
 750             switch (action) {
 751             case -1:
 752             case LFUN_RIGHT:
 753                 moveRight(bv, false);
 754                 break;
 755             case LFUN_DOWN:
 756                 moveDown(bv);
 757                 break;
 758             }
 759             the_locking_inset = 0;
 760             return DISPATCHED;
 761         }
 762     }
 763     HideInsetCursor(bv);
 764     switch (action) {
 765         // Normal chars
 766     case LFUN_UNKNOWN_ACTION:
 767         if (bv->buffer()->isReadonly()) {
 768             LyXBell();
 769 //          setErrorMessage(N_("Document is read only"));
 770             break;
 771         }
 772         if (!arg.empty()) {
 773             /* Automatically delete the currently selected
 774              * text and replace it with what is being
 775              * typed in now. Depends on lyxrc settings
 776              * "auto_region_delete", which defaults to
 777              * true (on). */
 778
 779             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 780 #ifndef NEW_INSETS
 781                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 782                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 783 #else
 784                               bv->text->cursor.par()->previous,
 785                               bv->text->cursor.par()->next
 786 #endif
 787                     );
 788             // if an empty paragraph set the language to the surronding
 789             // paragraph language on insertion of the first character!
 790             if (!par->Last() && !par->next) {
 791                 LyXText * text = 0;
 792                 if (owner()) {
 793                     Inset * inset = owner();
 794                     while(inset && inset->getLyXText(bv) == TEXT(bv))
 795                         inset = inset->owner();
 796                     if (inset)
 797                         text = inset->getLyXText(bv);
 798                 }
 799                 if (!text)
 800                     text = bv->text;
 801                 LyXFont font(LyXFont::ALL_IGNORE);
 802                 font.setLanguage(text->cursor.par()->getParLanguage(bv->buffer()->params));
 803                 SetFont(bv, font, false);
 804             }
 805             bv->setState();
 806             if (lyxrc.auto_region_delete) {
 807                 if (TEXT(bv)->selection){
 808                     TEXT(bv)->CutSelection(bv, false);
 809                 }
 810             }
 811             TEXT(bv)->ClearSelection();
 812             for (string::size_type i = 0; i < arg.length(); ++i) {
 813                 if (greek_kb_flag) {
 814                     if (!math_insert_greek(bv, arg[i])) {
 815 #if 0
 816                         bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 817 #else
 818                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 819 #endif
 820                     } else if (!the_locking_inset) {
 821                         (void)moveRight(bv, false);
 822                     }
 823                 } else {
 824 #if 0
 825                     bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 826 #else
 827                     bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 828 #endif
 829                 }
 830             }
 831         }
 832         UpdateLocal(bv, CURSOR_PAR, true);
 833         result=DISPATCHED_NOUPDATE;
 834         break;
 835         // --- Cursor Movements ---------------------------------------------
 836     case LFUN_RIGHTSEL:
 837         bv->text->FinishUndo();
 838         moveRight(bv, false, true);
 839         TEXT(bv)->SetSelection();
 840         UpdateLocal(bv, SELECTION, false);
 841         break;
 842     case LFUN_RIGHT:
 843         result = moveRight(bv);
 844         bv->text->FinishUndo();
 845         TEXT(bv)->ClearSelection();
 846         UpdateLocal(bv, CURSOR, false);
 847         break;
 848     case LFUN_LEFTSEL:
 849         bv->text->FinishUndo();
 850         moveLeft(bv, false, true);
 851         TEXT(bv)->SetSelection();
 852         UpdateLocal(bv, SELECTION, false);
 853         break;
 854     case LFUN_LEFT:
 855         bv->text->FinishUndo();
 856         result= moveLeft(bv);
 857         TEXT(bv)->ClearSelection();
 858         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 859         UpdateLocal(bv, CURSOR, false);
 860         break;
 861     case LFUN_DOWNSEL:
 862         bv->text->FinishUndo();
 863         moveDown(bv);
 864         TEXT(bv)->SetSelection();
 865         UpdateLocal(bv, SELECTION, false);
 866         break;
 867     case LFUN_DOWN:
 868         bv->text->FinishUndo();
 869         result = moveDown(bv);
 870         TEXT(bv)->ClearSelection();
 871         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 872         UpdateLocal(bv, CURSOR, false);
 873         break;
 874     case LFUN_UPSEL:
 875         bv->text->FinishUndo();
 876         moveUp(bv);
 877         TEXT(bv)->SetSelection();
 878         UpdateLocal(bv, SELECTION, false);
 879         break;
 880     case LFUN_UP:
 881         bv->text->FinishUndo();
 882         result = moveUp(bv);
 883         TEXT(bv)->ClearSelection();
 884         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 885         UpdateLocal(bv, CURSOR, false);
 886         break;
 887     case LFUN_HOME:
 888         bv->text->FinishUndo();
 889         TEXT(bv)->CursorHome(bv);
 890         TEXT(bv)->ClearSelection();
 891         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 892         UpdateLocal(bv, CURSOR, false);
 893         break;
 894     case LFUN_END:
 895         TEXT(bv)->CursorEnd(bv);
 896         TEXT(bv)->ClearSelection();
 897         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 898         UpdateLocal(bv, CURSOR, false);
 899         break;
 900     case LFUN_BACKSPACE:
 901         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 902 #ifndef NEW_INSETS
 903           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 904           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 905 #else
 906           bv->text->cursor.par()->previous,
 907           bv->text->cursor.par()->next
 908 #endif
 909                 );
 910         if (TEXT(bv)->selection)
 911             TEXT(bv)->CutSelection(bv);
 912         else
 913             TEXT(bv)->Backspace(bv);
 914         UpdateLocal(bv, CURSOR_PAR, true);
 915         break;
 916     case LFUN_DELETE:
 917         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 918 #ifndef NEW_INSETS
 919           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 920           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 921 #else
 922           bv->text->cursor.par()->previous,
 923           bv->text->cursor.par()->next
 924 #endif
 925                 );
 926         if (TEXT(bv)->selection)
 927             TEXT(bv)->CutSelection(bv);
 928         else
 929             TEXT(bv)->Delete(bv);
 930         UpdateLocal(bv, CURSOR_PAR, true);
 931         break;
 932     case LFUN_CUT:
 933         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 934 #ifndef NEW_INSETS
 935           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 936           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 937 #else
 938           bv->text->cursor.par()->previous,
 939           bv->text->cursor.par()->next
 940 #endif
 941                 );
 942         TEXT(bv)->CutSelection(bv);
 943         UpdateLocal(bv, CURSOR_PAR, true);
 944         break;
 945     case LFUN_COPY:
 946         bv->text->FinishUndo();
 947         TEXT(bv)->CopySelection(bv);
 948         UpdateLocal(bv, CURSOR_PAR, false);
 949         break;
 950     case LFUN_PASTESELECTION:
 951     {
 952         string clip(bv->workarea()->getClipboard());
 953
 954         if (clip.empty())
 955             break;
 956         if (arg == "paragraph") {
 957                 TEXT(bv)->InsertStringB(bv, clip);
 958         } else {
 959                 TEXT(bv)->InsertStringA(bv, clip);
 960         }
 961         UpdateLocal(bv, CURSOR_PAR, true);
 962         break;
 963     }
 964     case LFUN_PASTE:
 965         if (!autoBreakRows) {
 966             CutAndPaste cap;
 967
 968             if (cap.nrOfParagraphs() > 1) {
 969                 WriteAlert(_("Impossible operation"),
 970                            _("Cannot include more than one paragraph!"),
 971                            _("Sorry."));
 972                 break;
 973             }
 974         }
 975         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 976 #ifndef NEW_INSETS
 977           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 978           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
 979 #else
 980           bv->text->cursor.par()->previous,
 981           bv->text->cursor.par()->next
 982 #endif
 983                 );
 984         TEXT(bv)->PasteSelection(bv);
 985         UpdateLocal(bv, CURSOR_PAR, true);
 986         break;
 987     case LFUN_BREAKPARAGRAPH:
 988         if (!autoBreakRows)
 989             return DISPATCHED;
 990         TEXT(bv)->BreakParagraph(bv, 0);
 991         UpdateLocal(bv, FULL, true);
 992         break;
 993     case LFUN_BREAKLINE:
 994         if (!autoBreakRows)
 995             return DISPATCHED;
 996         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 997 #ifndef NEW_INSETS
 998             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 999             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1000 #else
1001             bv->text->cursor.par()->previous,
1002             bv->text->cursor.par()->next
1003 #endif
1004                 );
1005         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1006         UpdateLocal(bv, CURSOR_PAR, true);
1007         break;
1008     case LFUN_LAYOUT:
1009         // do not set layouts on non breakable textinsets
1010         if (autoBreakRows) {
1011             LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1012
1013             // Derive layout number from given argument (string)
1014             // and current buffer's textclass (number). */
1015             LyXTextClassList::ClassList::size_type tclass =
1016                 bv->buffer()->params.textclass;
1017             std::pair <bool, LyXTextClass::size_type> layout =
1018                 textclasslist.NumberOfLayout(tclass, arg);
1019
1020             // If the entry is obsolete, use the new one instead.
1021             if (layout.first) {
1022                 string obs = textclasslist.Style(tclass,layout.second).
1023                     obsoleted_by();
1024                 if (!obs.empty())
1025                     layout = textclasslist.NumberOfLayout(tclass, obs);
1026             }
1027
1028             // see if we found the layout number:
1029             if (!layout.first) {
1030                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1031
1032                 bv->owner()->getMiniBuffer()->Set(msg);
1033                 break;
1034             }
1035
1036             if (cur_layout != layout.second) {
1037                 cur_layout = layout.second;
1038                 TEXT(bv)->SetLayout(bv, layout.second);
1039                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1040                 UpdateLocal(bv, CURSOR_PAR, true);
1041             }
1042         } else {
1043             // reset the layout box
1044             bv->owner()->setLayout(cpar(bv)->GetLayout());
1045         }
1046         break;
1047     case LFUN_PARAGRAPH_SPACING:
1048             // This one is absolutely not working. When fiddling with this
1049             // it also seems to me that the paragraphs inside the insettext
1050             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1051     {
1052             LyXParagraph * par = TEXT(bv)->cursor.par();
1053             Spacing::Space cur_spacing = par->spacing.getSpace();
1054             float cur_value = 1.0;
1055             if (cur_spacing == Spacing::Other) {
1056                     cur_value = par->spacing.getValue();
1057             }
1058
1059             std::istringstream istr(arg.c_str());
1060             string tmp;
1061             istr >> tmp;
1062             Spacing::Space new_spacing = cur_spacing;
1063             float new_value = cur_value;
1064             if (tmp.empty()) {
1065                     lyxerr << "Missing argument to `paragraph-spacing'"
1066                            << endl;
1067             } else if (tmp == "single") {
1068                     new_spacing = Spacing::Single;
1069             } else if (tmp == "onehalf") {
1070                     new_spacing = Spacing::Onehalf;
1071             } else if (tmp == "double") {
1072                     new_spacing = Spacing::Double;
1073             } else if (tmp == "other") {
1074                     new_spacing = Spacing::Other;
1075                     float tmpval = 0.0;
1076                     istr >> tmpval;
1077                     lyxerr << "new_value = " << tmpval << endl;
1078                     if (tmpval != 0.0)
1079                             new_value = tmpval;
1080             } else if (tmp == "default") {
1081                     new_spacing = Spacing::Default;
1082             } else {
1083                     lyxerr << _("Unknown spacing argument: ")
1084                            << arg << endl;
1085             }
1086             if (cur_spacing != new_spacing || cur_value != new_value) {
1087                     par->spacing.set(new_spacing, new_value);
1088                     //TEXT(bv)->RedoParagraph(owner->view());
1089                     UpdateLocal(bv, CURSOR_PAR, true);
1090                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1091             }
1092     }
1093     break;
1094
1095     default:
1096         result = UNDISPATCHED;
1097         break;
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 (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1239         return FINISHED;
1240     if (activate_inset && checkAndActivateInset(bv, false))
1241         return DISPATCHED;
1242     TEXT(bv)->CursorRight(bv, selecting);
1243     return DISPATCHED_NOUPDATE;
1244 }
1245
1246
1247 UpdatableInset::RESULT
1248 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1249 {
1250     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1251         return FINISHED;
1252     TEXT(bv)->CursorLeft(bv, selecting);
1253     if (activate_inset && checkAndActivateInset(bv, true))
1254         return DISPATCHED;
1255     return DISPATCHED_NOUPDATE;
1256 }
1257
1258
1259 UpdatableInset::RESULT
1260 InsetText::moveUp(BufferView * bv)
1261 {
1262     if (!crow(bv)->previous())
1263         return FINISHED;
1264     TEXT(bv)->CursorUp(bv);
1265     return DISPATCHED_NOUPDATE;
1266 }
1267
1268
1269 UpdatableInset::RESULT
1270 InsetText::moveDown(BufferView * bv)
1271 {
1272     if (!crow(bv)->next())
1273         return FINISHED;
1274     TEXT(bv)->CursorDown(bv);
1275     return DISPATCHED_NOUPDATE;
1276 }
1277
1278
1279 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1280 {
1281     if (the_locking_inset) {
1282         if (the_locking_inset->InsertInsetAllowed(inset))
1283             return the_locking_inset->InsertInset(bv, inset);
1284         return false;
1285     }
1286     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1287 #ifndef NEW_INSETS
1288               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1289               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1290 #else
1291               bv->text->cursor.par()->previous,
1292               bv->text->cursor.par()->next
1293 #endif
1294             );
1295     inset->setOwner(this);
1296     HideInsetCursor(bv);
1297     TEXT(bv)->InsertInset(bv, inset);
1298     if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1299         (cpar(bv)->GetInset(cpos(bv)) != inset))
1300         TEXT(bv)->CursorLeft(bv);
1301     TEXT(bv)->selection = 0;
1302     bv->fitCursor(TEXT(bv));
1303     UpdateLocal(bv, CURSOR_PAR, true);
1304     ShowInsetCursor(bv);
1305     return true;
1306 }
1307
1308
1309 UpdatableInset * InsetText::GetLockingInset()
1310 {
1311     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1312 }
1313
1314
1315 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1316 {
1317     if (c == LyxCode())
1318         return this;
1319     if (the_locking_inset)
1320         return the_locking_inset->GetFirstLockingInsetOfType(c);
1321     return 0;
1322 }
1323
1324
1325 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1326 {
1327     bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1328 #ifndef NEW_INSETS
1329               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1330               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next
1331 #else
1332               bv->text->cursor.par()->previous,
1333               bv->text->cursor.par()->next
1334 #endif
1335             );
1336     TEXT(bv)->SetFont(bv, font, toggleall);
1337     bv->fitCursor(TEXT(bv));
1338     UpdateLocal(bv, CURSOR_PAR, true);
1339 }
1340
1341
1342 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1343 {
1344     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1345         unsigned int x;
1346         unsigned int y;
1347         Inset * inset =
1348             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1349         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1350             return false;
1351         LyXFont const font =
1352                 TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1353         if (behind) {
1354             x = inset->width(bv, font);
1355             y = inset->descent(bv, font);
1356         } else {
1357             x = y = 0;
1358         }
1359         inset_x = cx(bv) - top_x + drawTextXOffset;
1360         inset_y = cy(bv) + drawTextYOffset;
1361         inset->Edit(bv, x - inset_x, y - inset_y, 0);
1362         if (!the_locking_inset)
1363             return false;
1364         UpdateLocal(bv, CURSOR_PAR, false);
1365         return true;
1366     }
1367     return false;
1368 }
1369
1370
1371 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1372                                       int button)
1373 {
1374     x = x - drawTextXOffset;
1375     y = y + insetAscent;
1376     Inset * inset = bv->checkInsetHit(TEXT(bv), x, y, button);
1377
1378     if (inset) {
1379         if (x < 0)
1380             x = insetWidth;
1381         if (y < 0)
1382             y = insetDescent;
1383         inset_x = cx(bv) - top_x + drawTextXOffset;
1384         inset_y = cy(bv) + drawTextYOffset;
1385         inset->Edit(bv, x - inset_x, y - inset_y, button);
1386         if (!the_locking_inset)
1387             return false;
1388         UpdateLocal(bv, CURSOR_PAR, false);
1389         return true;
1390     }
1391     return false;
1392 }
1393
1394
1395 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1396 {
1397     int w = UpdatableInset::getMaxWidth(pain, inset);
1398     if (w < 0) {
1399         return w;
1400     }
1401     if (owner()) {
1402         w = w - top_x + owner()->x();
1403         return w;
1404     }
1405     w -= (2 * TEXT_TO_INSET_OFFSET);
1406     return w - top_x;
1407 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1408 }
1409
1410
1411 void InsetText::SetParagraphData(LyXParagraph *p)
1412 {
1413     // delete all instances of LyXText before deleting the paragraps used
1414     // by it.
1415     for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1416         delete (*cit).second;
1417         (*cit).second = 0;
1418     }
1419
1420     LyXParagraph * np;
1421     if (par) {
1422         np = par->next;
1423         delete par;
1424         while(np) {
1425             par = np;
1426             np = np->next;
1427             delete par;
1428         }
1429     }
1430     par = p->Clone();
1431     par->SetInsetOwner(this);
1432     np = par;
1433     while(p->next) {
1434         p = p->next;
1435         np->next = p->Clone();
1436         np->next->previous = np;
1437         np = np->next;
1438         np->SetInsetOwner(this);
1439     }
1440     need_update = INIT;
1441 }
1442
1443
1444 void InsetText::SetText(string const & data)
1445 {
1446     clear();
1447     LyXFont font(LyXFont::ALL_SANE);
1448     for(unsigned int i=0; i < data.length(); ++i)
1449         par->InsertChar(i, data[i], font);
1450 }
1451
1452
1453 void InsetText::SetAutoBreakRows(bool flag)
1454 {
1455     if (flag != autoBreakRows) {
1456         autoBreakRows = flag;
1457         need_update = FULL;
1458         if (!flag)
1459             removeNewlines();
1460     }
1461 }
1462
1463
1464 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1465 {
1466     if (how != drawFrame) {
1467         drawFrame = how;
1468         if (bv)
1469             UpdateLocal(bv, DRAW_FRAME, false);
1470     }
1471 }
1472
1473
1474 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1475 {
1476     if (frame_color != col) {
1477         frame_color = col;
1478         if (bv)
1479             UpdateLocal(bv, DRAW_FRAME, false);
1480     }
1481 }
1482
1483 #if 0
1484 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1485 {
1486     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1487 }
1488 #endif
1489
1490
1491 int InsetText::cx(BufferView * bv) const
1492 {
1493         LyXText * text = TEXT(bv);
1494         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1495         if (the_locking_inset) {
1496                 LyXFont font = text->GetFont(bv->buffer(),
1497                                      text->cursor.par(), text->cursor.pos());
1498                 if (font.isVisibleRightToLeft())
1499                         x -= the_locking_inset->width(bv, font);
1500         }
1501         return x;
1502 }
1503
1504
1505 int InsetText::cy(BufferView * bv) const
1506 {
1507     LyXFont font;
1508     return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1509 }
1510
1511
1512 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1513 {
1514     return TEXT(bv)->cursor.pos();
1515 }
1516
1517
1518 LyXParagraph * InsetText::cpar(BufferView * bv) const
1519 {
1520     return TEXT(bv)->cursor.par();
1521 }
1522
1523 bool InsetText::cboundary(BufferView * bv) const
1524 {
1525     return TEXT(bv)->cursor.boundary();
1526 }
1527
1528
1529 Row * InsetText::crow(BufferView * bv) const
1530 {
1531     return TEXT(bv)->cursor.row();
1532 }
1533
1534
1535 LyXText * InsetText::getLyXText(BufferView const * lbv) const
1536 {
1537     // Super UGLY! (Lgb)
1538     BufferView * bv = const_cast<BufferView *>(lbv);
1539
1540     if ((cache.find(bv) != cache.end()) && cache[bv])
1541         return cache[bv];
1542     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1543     lt->init(bv);
1544     cache[bv] = lt;
1545     if (the_locking_inset) {
1546        lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1547     }
1548     return lt;
1549 }
1550
1551
1552 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1553 {
1554     if ((cache.find(bv) == cache.end()) || !cache[bv])
1555         return;
1556     delete cache[bv];
1557     cache.erase(bv);
1558     if (recursive) {
1559         /// then remove all LyXText in text-insets
1560         LyXParagraph * p = par;
1561         for (;p;p = p->next) {
1562             p->deleteInsetsLyXText(bv);
1563         }
1564     }
1565 }
1566
1567
1568 void InsetText::resizeLyXText(BufferView * bv) const
1569 {
1570     if (!par->next && !par->size()) // resize not neccessary!
1571         return;
1572     if ((cache.find(bv) == cache.end()) || !cache[bv])
1573         return;
1574
1575     LyXParagraph * lpar = 0;
1576     LyXParagraph * selstartpar = 0;
1577     LyXParagraph * selendpar = 0;
1578     LyXParagraph::size_type pos = 0;
1579     LyXParagraph::size_type selstartpos = 0;
1580     LyXParagraph::size_type selendpos = 0;
1581     bool boundary = false;
1582     bool selstartboundary = false;
1583     bool selendboundary = false;
1584     int selection = 0;
1585     int mark_set = 0;
1586
1587 //    ProhibitInput(bv);
1588
1589     if (locked) {
1590         lpar = TEXT(bv)->cursor.par();
1591         pos = TEXT(bv)->cursor.pos();
1592         boundary = TEXT(bv)->cursor.boundary();
1593         selstartpar = TEXT(bv)->sel_start_cursor.par();
1594         selstartpos = TEXT(bv)->sel_start_cursor.pos();
1595         selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1596         selendpar = TEXT(bv)->sel_end_cursor.par();
1597         selendpos = TEXT(bv)->sel_end_cursor.pos();
1598         selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1599         selection = TEXT(bv)->selection;
1600         mark_set = TEXT(bv)->mark_set;
1601     }
1602     deleteLyXText(bv, (the_locking_inset == 0));
1603
1604     if (lpar) {
1605         TEXT(bv)->selection = true;
1606         /* at this point just to avoid the Delete-Empty-Paragraph
1607          * Mechanism when setting the cursor */
1608         TEXT(bv)->mark_set = mark_set;
1609         if (selection) {
1610             TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,true,
1611                                 selstartboundary);
1612             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1613             TEXT(bv)->SetCursor(bv, selendpar, selendpos, true, selendboundary);
1614             TEXT(bv)->SetSelection();
1615             TEXT(bv)->SetCursor(bv, lpar, pos);
1616         } else {
1617             TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1618             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1619             TEXT(bv)->selection = false;
1620         }
1621     }
1622     if (bv->screen())
1623             TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1624     // this will scroll the screen such that the cursor becomes visible
1625     bv->updateScrollbar();
1626 //    AllowInput(bv);
1627     if (the_locking_inset) {
1628         /// then resize all LyXText in text-insets
1629         inset_x = cx(bv) - top_x + drawTextXOffset;
1630         inset_y = cy(bv) + drawTextYOffset;
1631         for (LyXParagraph * p = par; p; p = p->next) {
1632             p->resizeInsetsLyXText(bv);
1633         }
1634     }
1635     need_update = FULL;
1636 }
1637
1638
1639 void InsetText::removeNewlines()
1640 {
1641     for (LyXParagraph * p = par; p; p = p->next) {
1642         for (int i = 0; i < p->Last(); ++i) {
1643             if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1644                 p->Erase(i);
1645         }
1646     }
1647 }