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