src/insets/insettext.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1998-2001 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 "LColor.h"
  41 #include "support/textutils.h"
  42 #include "support/LAssert.h"
  43 #include "lyxrow.h"
  44 #include "lyxrc.h"
  45 #include "intl.h"
  46 #include "trans_mgr.h"
  47 #include "lyxscreen.h"
  48 #include "WorkArea.h"
  49 #include "gettext.h"
  50 #include "lyxfunc.h"
  51
  52 using std::ostream;
  53 using std::ifstream;
  54 using std::endl;
  55 using std::min;
  56 using std::max;
  57
  58 extern unsigned char getCurrentTextClass(Buffer *);
  59 extern bool math_insert_greek(BufferView *, char);
  60 extern int greek_kb_flag;
  61
  62 InsetText::InsetText()
  63 {
  64         par = new LyXParagraph;
  65         init();
  66 }
  67
  68
  69 InsetText::InsetText(InsetText const & ins)
  70         : UpdatableInset()
  71 {
  72         par = 0;
  73         init(&ins);
  74         autoBreakRows = ins.autoBreakRows;
  75 }
  76
  77
  78 InsetText & InsetText::operator=(InsetText const & it)
  79 {
  80         init(&it);
  81         autoBreakRows = it.autoBreakRows;
  82         return * this;
  83 }
  84
  85
  86 void InsetText::init(InsetText const * ins)
  87 {
  88         top_y = 0;
  89         last_width = 0;
  90         last_height = 0;
  91         insetAscent = 0;
  92         insetDescent = 0;
  93         insetWidth = 0;
  94         the_locking_inset = 0;
  95         old_max_width = 0;
  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         last_drawn_width = -1;
 113         frame_is_visible = false;
 114 }
 115
 116
 117 InsetText::~InsetText()
 118 {
 119         // delete all instances of LyXText before deleting the paragraps used
 120         // by it.
 121         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 122                 delete (*cit).second;
 123                 (*cit).second = 0;
 124         }
 125
 126         while (par) {
 127                 LyXParagraph * tmp = par->next();
 128                 delete par;
 129                 par = tmp;
 130         }
 131 }
 132
 133
 134 void InsetText::clear()
 135 {
 136         // delete all instances of LyXText before deleting the paragraps used
 137         // by it.
 138         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 139                 delete (*cit).second;
 140                 (*cit).second = 0;
 141         }
 142
 143         while (par) {
 144                 LyXParagraph * tmp = par->next();
 145                 delete par;
 146                 par = tmp;
 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);
 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         LyXFont font(LyXFont::ALL_INHERIT);
 179
 180         clear();
 181
 182         while (lex.IsOK()) {
 183                 lex.nextToken();
 184                 token = lex.GetString();
 185                 if (token.empty())
 186                         continue;
 187                 if (token == "\\end_inset")
 188                         break;
 189                 if (const_cast<Buffer*>(buf)->
 190                         parseSingleLyXformat2Token(lex, par, return_par,
 191                                                    token, pos, depth, font)) {
 192                         // the_end read this should NEVER happen
 193                         lex.printError("\\the_end read in inset! Error in document!");
 194                         return;
 195                 }
 196         }
 197         if (!return_par)
 198                 return_par = par;
 199         par = return_par;
 200         while(return_par) {
 201                 return_par->SetInsetOwner(this);
 202                 return_par = return_par->next();
 203         }
 204
 205         if (token != "\\end_inset") {
 206                 lex.printError("Missing \\end_inset at this point. "
 207                                            "Read: `$$Token'");
 208         }
 209         need_update = INIT;
 210 }
 211
 212
 213 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 214 {
 215         int y_temp = 0;
 216         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 217         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 218         return insetAscent;
 219 }
 220
 221
 222 int InsetText::descent(BufferView * bv, LyXFont const &) const
 223 {
 224         int y_temp = 0;
 225         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 226         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 227         TEXT_TO_INSET_OFFSET;
 228         return insetDescent;
 229 }
 230
 231
 232 int InsetText::width(BufferView * bv, LyXFont const &) const
 233 {
 234         insetWidth = max(textWidth(bv),
 235                          (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 236         return insetWidth;
 237 }
 238
 239
 240 int InsetText::textWidth(BufferView * bv) const
 241 {
 242         int const w = getMaxWidth(bv, this);
 243         return w;
 244 }
 245
 246
 247 void InsetText::draw(BufferView * bv, LyXFont const & f,
 248                      int baseline, float & x, bool cleared) const
 249 {
 250         if (nodraw())
 251                 return;
 252
 253         Painter & pain = bv->painter();
 254
 255         // no draw is necessary !!!
 256         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 257                 top_x = int(x);
 258                 top_baseline = baseline;
 259                 x += width(bv, f);
 260                 if (!cleared && (need_update & CLEAR_FRAME))
 261                         clearFrame(pain, cleared);
 262                 else if (cleared)
 263                         frame_is_visible = false;
 264                 need_update = NONE;
 265                 return;
 266         }
 267
 268         xpos = x;
 269 #if 0
 270         UpdatableInset::draw(bv, f, baseline, x, cleared);
 271 #else
 272         if (!owner())
 273                 x += static_cast<float>(scroll());
 274 #endif
 275 #if 0
 276         // update insetWidth and insetHeight with dummy calls
 277         (void)ascent(bv, f);
 278         (void)descent(bv, f);
 279         (void)width(bv, f);
 280 #endif
 281
 282         // if top_x differs we have a rule down and we don't have to clear anything
 283         if (!cleared && (top_x == int(x)) &&
 284                 ((need_update&(INIT|FULL)) || (top_baseline!=baseline) ||
 285                  (last_drawn_width!=insetWidth)))
 286         {
 287                 clearInset(pain, baseline, cleared);
 288         }
 289         if (cleared)
 290                 frame_is_visible = false;
 291
 292         if (!cleared && (need_update == NONE))
 293                 return;
 294
 295         if (top_x != int(x)) {
 296                 if ((getMaxWidth(bv, this) > 0) && (TEXT(bv)->width != old_max_width)){
 297                         resizeLyXText(bv);
 298                         need_update |= FULL;
 299                         old_max_width = TEXT(bv)->width;
 300                         bv->text->status = LyXText::CHANGED_IN_DRAW;
 301                 }
 302                 top_x = int(x);
 303 #if 1
 304                 clearInset(pain, baseline, cleared);
 305 #else
 306                 return;
 307 #endif
 308         }
 309
 310 //      lyxerr << "InsetText::draw[" << this << "](" << need_update << ":" << int(x) << ":" << top_x << ")\n";
 311
 312         if (cleared || (last_drawn_width != insetWidth)) {
 313                 need_update |= FULL;
 314                 last_drawn_width = insetWidth;
 315         }
 316
 317         top_baseline = baseline;
 318         top_y = baseline - ascent(bv, f);
 319         last_width = width(bv, f);
 320         last_height = ascent(bv, f) + descent(bv, f);
 321
 322         if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 323                 inset_x = cx(bv) - top_x + drawTextXOffset;
 324                 inset_y = cy(bv) + drawTextYOffset;
 325         }
 326         if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection.set()) {
 327                 drawFrame(pain, cleared);
 328                 x += width(bv, f);
 329                 need_update = NONE;
 330                 return;
 331         }
 332         x += TEXT_TO_INSET_OFFSET;
 333
 334 #ifdef WITH_WARNINGS
 335 #warning Jürgen, why is this a block of its own? (Lgb)
 336 #warning because you told me to define variables only in local context (Jug)!
 337 #warning then make it a function/method of its own. (Lgb)
 338 #endif
 339         {
 340         int y = 0;
 341         Row * row = TEXT(bv)->GetRowNearY(y);
 342         int y_offset = baseline - row->ascent_of_text();
 343         int ph = pain.paperHeight();
 344         int first = 0;
 345         y = y_offset;
 346         while ((row != 0) && ((y+row->height()) <= 0)) {
 347                 y += row->height();
 348                 first += row->height();
 349                 row = row->next();
 350         }
 351         if (y_offset < 0)
 352                 y_offset = y;
 353         TEXT(bv)->first = first;
 354         if (cleared) {
 355                 int yf = y_offset;
 356                 y = 0;
 357                 while ((row != 0) && (yf < ph)) {
 358                         TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 359                                                 y+first, cleared);
 360                         y += row->height();
 361                         yf += row->height();
 362                         row = row->next();
 363                 }
 364         } else if (!locked) {
 365                 if (need_update & CURSOR) {
 366                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 367                         TEXT(bv)->ClearSelection(bv);
 368                         TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
 369                 }
 370                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 371         } else {
 372                 locked = false;
 373                 if (need_update & SELECTION)
 374                         bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 375                 else if (need_update & CURSOR) {
 376                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 377                         TEXT(bv)->ClearSelection(bv);
 378                         TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
 379                 }
 380                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 381                 locked = true;
 382         }
 383         }
 384         TEXT(bv)->refresh_y = 0;
 385         TEXT(bv)->status = LyXText::UNCHANGED;
 386         if ((need_update != CURSOR_PAR) &&
 387                 ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked)))
 388                 drawFrame(pain, cleared);
 389         else if (need_update & CLEAR_FRAME)
 390                 clearFrame(pain, cleared);
 391         x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 392         if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 393                 need_update |= INIT;
 394         } else if (need_update != INIT)
 395                 need_update = NONE;
 396 }
 397
 398
 399 void InsetText::drawFrame(Painter & pain, bool cleared) const
 400 {
 401         if (!frame_is_visible || cleared) {
 402                 pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 403                                insetWidth - 1, insetAscent + insetDescent - 1,
 404                                frame_color);
 405                 frame_is_visible = true;
 406         }
 407 }
 408
 409
 410 void InsetText::clearFrame(Painter & pain, bool cleared) const
 411 {
 412         if (frame_is_visible) {
 413                 if (!cleared) {
 414                         pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 415                                        insetWidth - 1, insetAscent + insetDescent - 1,
 416                                        LColor::background);
 417                 }
 418                 frame_is_visible = false;
 419         }
 420 }
 421
 422
 423 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 424 {
 425 #if 0
 426         int ww = TEXT(bv)->width;
 427         TEXT(bv)->BreakParagraph(bv);
 428         if (ww != TEXT(bv)->width)
 429                 reinit = true;
 430 #endif
 431         if (reinit) {
 432                 need_update |= INIT;
 433                 resizeLyXText(bv);
 434                 if (owner())
 435                         owner()->update(bv, font, true);
 436                 return;
 437         }
 438         if (the_locking_inset) {
 439                 inset_x = cx(bv) - top_x + drawTextXOffset;
 440                 inset_y = cy(bv) + drawTextYOffset;
 441                 the_locking_inset->update(bv, font, reinit);
 442         }
 443 #if 0
 444         if (need_update == INIT) {
 445                 resizeLyXText(bv);
 446                 need_update |= FULL;
 447         }
 448 #endif
 449         int oldw = insetWidth;
 450         insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 451         if (oldw != insetWidth) {
 452                 resizeLyXText(bv);
 453                 need_update |= FULL;
 454 //              update(bv, font, reinit);
 455                 return;
 456         }
 457         if ((need_update&CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 458                 the_locking_inset)
 459         {
 460                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 461         }
 462
 463         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 464                 need_update |= FULL;
 465 #if 0
 466         int y_temp = 0;
 467         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 468         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 469         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 470                 TEXT_TO_INSET_OFFSET;
 471 #endif
 472 }
 473
 474
 475 void InsetText::SetUpdateStatus(BufferView * bv, int what) const
 476 {
 477         need_update |= what;
 478         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 479                 need_update |= FULL;
 480         else if (TEXT(bv)->status == LyXText::NEED_VERY_LITTLE_REFRESH)
 481                 need_update |= CURSOR_PAR;
 482
 483         // this to not draw a selection when we redraw all of it!
 484         if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 485                 TEXT(bv)->ClearSelection(bv);
 486 }
 487
 488
 489 void InsetText::UpdateLocal(BufferView * bv, int what, bool mark_dirty)
 490 {
 491         TEXT(bv)->FullRebreak(bv);
 492         SetUpdateStatus(bv, what);
 493         if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 494                 TEXT(bv)->selection.set())
 495                 bv->updateInset(this, mark_dirty);
 496         bv->owner()->showState();
 497         if (old_par != cpar(bv)) {
 498                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 499                 old_par = cpar(bv);
 500         }
 501 }
 502
 503
 504 string const InsetText::EditMessage() const
 505 {
 506         return _("Opened Text Inset");
 507 }
 508
 509
 510 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 511 {
 512 //    par->SetInsetOwner(this);
 513         UpdatableInset::Edit(bv, x, y, button);
 514
 515         if (!bv->lockInset(this)) {
 516                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 517                 return;
 518         }
 519         locked = true;
 520         the_locking_inset = 0;
 521         inset_pos = inset_x = inset_y = 0;
 522         inset_boundary = false;
 523         inset_par = 0;
 524         old_par = 0;
 525         int tmp_y = (y < 0)?0:y;
 526         if (!checkAndActivateInset(bv, x, tmp_y, button))
 527                 TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 528                                                    y + insetAscent);
 529         TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
 530         bv->text->FinishUndo();
 531         ShowInsetCursor(bv);
 532         UpdateLocal(bv, CURSOR, false);
 533
 534         // If the inset is empty set the language of the current font to the
 535         // language to the surronding text (if different).
 536         if (par->size() == 0 && !par->next() &&
 537                 bv->getParentLanguage(this) != TEXT(bv)->current_font.language())
 538         {
 539                 LyXFont font(LyXFont::ALL_IGNORE);
 540                 font.setLanguage(bv->getParentLanguage(this));
 541                 SetFont(bv, font, false);
 542         }
 543 }
 544
 545
 546 void InsetText::InsetUnlock(BufferView * bv)
 547 {
 548         if (the_locking_inset) {
 549                 the_locking_inset->InsetUnlock(bv);
 550                 the_locking_inset = 0;
 551         }
 552         HideInsetCursor(bv);
 553         no_selection = false;
 554         locked = false;
 555         int code = CURSOR|CLEAR_FRAME;
 556         if (TEXT(bv)->selection.set()) {
 557                 TEXT(bv)->ClearSelection(bv);
 558                 code = FULL;
 559         } else if (owner())
 560                 bv->owner()->setLayout(owner()->getLyXText(bv)
 561                                        ->cursor.par()->GetLayout());
 562         else
 563                 bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 564         UpdateLocal(bv, code, false);
 565 }
 566
 567
 568 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 569 {
 570         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 571                               << inset << "): ";
 572         if (!inset)
 573                 return false;
 574         if (inset == cpar(bv)->GetInset(cpos(bv))) {
 575                 lyxerr[Debug::INSETS] << "OK" << endl;
 576                 the_locking_inset = inset;
 577                 inset_x = cx(bv) - top_x + drawTextXOffset;
 578                 inset_y = cy(bv) + drawTextYOffset;
 579                 inset_pos = cpos(bv);
 580                 inset_par = cpar(bv);
 581                 inset_boundary = cboundary(bv);
 582 #if 0
 583                 TEXT(bv)->ClearSelection(bv);
 584                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 585                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 586 #else
 587                 UpdateLocal(bv, CURSOR, false);
 588 #endif
 589                 return true;
 590         } else if (the_locking_inset && (the_locking_inset == inset)) {
 591                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 592                         lyxerr[Debug::INSETS] << "OK" << endl;
 593                         inset_x = cx(bv) - top_x + drawTextXOffset;
 594                         inset_y = cy(bv) + drawTextYOffset;
 595                 } else {
 596                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 597                 }
 598         } else if (the_locking_inset) {
 599                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 600                 return the_locking_inset->LockInsetInInset(bv, inset);
 601         }
 602         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 603         return false;
 604 }
 605
 606
 607 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 608                                    bool lr)
 609 {
 610         if (!the_locking_inset)
 611                 return false;
 612         if (the_locking_inset == inset) {
 613                 the_locking_inset->InsetUnlock(bv);
 614                 TEXT(bv)->UpdateInset(bv, inset);
 615                 the_locking_inset = 0;
 616                 if (lr)
 617                         moveRight(bv, false);
 618                 old_par = 0; // force layout setting
 619                 if (scroll())
 620                         scroll(bv, 0.0F);
 621                 else
 622                         UpdateLocal(bv, CURSOR, false);
 623                 return true;
 624         }
 625         return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 626 }
 627
 628
 629 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 630 {
 631         if (!the_locking_inset)
 632                 return false;
 633         if (the_locking_inset != inset) {
 634                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 635                 SetUpdateStatus(bv, CURSOR_PAR);
 636                 return the_locking_inset->UpdateInsetInInset(bv, inset);
 637         }
 638 //    UpdateLocal(bv, FULL, false);
 639         if (TEXT(bv)->UpdateInset(bv, inset))
 640                 UpdateLocal(bv, CURSOR_PAR, false);
 641         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 642                 inset_x = cx(bv) - top_x + drawTextXOffset;
 643                 inset_y = cy(bv) + drawTextYOffset;
 644         }
 645         return true;
 646 }
 647
 648
 649 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 650 {
 651         no_selection = true;
 652
 653         int tmp_x = x - drawTextXOffset;
 654         int tmp_y = y + insetAscent - TEXT(bv)->first;
 655         Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 656
 657         HideInsetCursor(bv);
 658         if (the_locking_inset) {
 659                 if (the_locking_inset == inset) {
 660                         the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 661                         no_selection = false;
 662                         return;
 663                 } else if (inset) {
 664                         // otherwise unlock the_locking_inset and lock the new inset
 665                         the_locking_inset->InsetUnlock(bv);
 666                         inset_x = cx(bv) - top_x + drawTextXOffset;
 667                         inset_y = cy(bv) + drawTextYOffset;
 668                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 669                         inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 670                         inset->Edit(bv, x - inset_x, y - inset_y, button);
 671                         if (the_locking_inset)
 672                                 UpdateLocal(bv, CURSOR, false);
 673                         no_selection = false;
 674                         return;
 675                 }
 676                 // otherwise only unlock the_locking_inset
 677                 the_locking_inset->InsetUnlock(bv);
 678                 the_locking_inset = 0;
 679         }
 680         if (bv->theLockingInset()) {
 681                 if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 682                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 683                         inset_x = cx(bv) - top_x + drawTextXOffset;
 684                         inset_y = cy(bv) + drawTextYOffset;
 685                         inset_pos = cpos(bv);
 686                         inset_par = cpar(bv);
 687                         inset_boundary = cboundary(bv);
 688                         the_locking_inset = uinset;
 689                         uinset->InsetButtonPress(bv, x - inset_x, y - inset_y,
 690                                                  button);
 691                         uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 692                         if (the_locking_inset)
 693                                 UpdateLocal(bv, CURSOR, false);
 694                         no_selection = false;
 695                         return;
 696                 }
 697         }
 698         if (!inset) { // && (button == 2)) {
 699                 bool paste_internally = false;
 700                 if ((button == 2) && TEXT(bv)->selection.set()) {
 701                         LocalDispatch(bv, LFUN_COPY, "");
 702                         paste_internally = true;
 703                 }
 704                 TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 705                                                    y + insetAscent);
 706                 TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
 707                 UpdateLocal(bv, CURSOR, false);
 708                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 709                 old_par = cpar(bv);
 710                 // Insert primary selection with middle mouse
 711                 // if there is a local selection in the current buffer,
 712                 // insert this
 713                 if (button == 2) {
 714                         if (paste_internally)
 715                                 LocalDispatch(bv, LFUN_PASTE, "");
 716                         else
 717                                 LocalDispatch(bv, LFUN_PASTESELECTION,
 718                                               "paragraph");
 719                 }
 720         }
 721         ShowInsetCursor(bv);
 722         no_selection = false;
 723 }
 724
 725
 726 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 727 {
 728         UpdatableInset * inset = 0;
 729
 730         if (the_locking_inset) {
 731                 the_locking_inset->InsetButtonRelease(bv,
 732                                                       x - inset_x, y - inset_y,
 733                                                       button);
 734         } else {
 735                 if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 736                         inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 737                         if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 738                                 inset->InsetButtonRelease(bv,
 739                                                           x - inset_x,
 740                                                           y - inset_y, button);
 741                         } else {
 742                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 743                                 inset_y = cy(bv) + drawTextYOffset;
 744                                 inset->InsetButtonRelease(bv,
 745                                                           x - inset_x,
 746                                                           y - inset_y, button);
 747                                 inset->Edit(bv,
 748                                             x - inset_x, y - inset_y, button);
 749                         }
 750                         UpdateLocal(bv, CURSOR_PAR, false);
 751                 }
 752         }
 753         no_selection = false;
 754 }
 755
 756
 757 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 758 {
 759         if (no_selection)
 760                 return;
 761         if (the_locking_inset) {
 762                 the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 763                                                      y - inset_y,state);
 764                 return;
 765         }
 766         HideInsetCursor(bv);
 767         TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 768                                            y + insetAscent);
 769         TEXT(bv)->SetSelection(bv);
 770         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 771                 TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 772                 UpdateLocal(bv, SELECTION, false);
 773         ShowInsetCursor(bv);
 774 }
 775
 776
 777 void InsetText::InsetKeyPress(XKeyEvent * xke)
 778 {
 779         if (the_locking_inset) {
 780                 the_locking_inset->InsetKeyPress(xke);
 781                 return;
 782         }
 783 }
 784
 785
 786 UpdatableInset::RESULT
 787 InsetText::LocalDispatch(BufferView * bv,
 788                          kb_action action, string const & arg)
 789 {
 790         no_selection = false;
 791         UpdatableInset::RESULT
 792                 result= UpdatableInset::LocalDispatch(bv, action, arg);
 793         if (result != UNDISPATCHED) {
 794                 return DISPATCHED;
 795         }
 796
 797         result = DISPATCHED;
 798         if ((action < 0) && arg.empty())
 799                 return FINISHED;
 800
 801         if (the_locking_inset) {
 802                 result = the_locking_inset->LocalDispatch(bv, action, arg);
 803                 if (result == DISPATCHED_NOUPDATE)
 804                         return result;
 805                 else if (result == DISPATCHED) {
 806                         UpdateLocal(bv, CURSOR_PAR, false);
 807                         return result;
 808                 } else if (result == FINISHED) {
 809                         bool dispatched = false;
 810                         switch (action) {
 811                         case LFUN_UNKNOWN_ACTION:
 812                         case LFUN_BREAKPARAGRAPH:
 813                         case LFUN_BREAKLINE:
 814                                 moveRightIntern(bv, false, false);
 815                                 break;
 816                         case LFUN_RIGHT:
 817                                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 818                                         moveRightIntern(bv, false, false);
 819                                 dispatched = true;
 820                                 break;
 821                         case LFUN_LEFT:
 822                                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 823                                         moveRightIntern(bv, false, false);
 824                                 dispatched = true;
 825                                 break;
 826                         default:
 827                                 break;
 828                         }
 829                         the_locking_inset = 0;
 830                         if (dispatched)
 831                                 return DISPATCHED;
 832                 }
 833         }
 834         HideInsetCursor(bv);
 835         switch (action) {
 836         // Normal chars
 837         case LFUN_UNKNOWN_ACTION:
 838                 if (bv->buffer()->isReadonly()) {
 839 //          setErrorMessage(N_("Document is read only"));
 840                         break;
 841                 }
 842                 if (!arg.empty()) {
 843                         /* Automatically delete the currently selected
 844                          * text and replace it with what is being
 845                          * typed in now. Depends on lyxrc settings
 846                          * "auto_region_delete", which defaults to
 847                          * true (on). */
 848
 849                         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 850                                           bv->text->cursor.par()->previous(),
 851                                           bv->text->cursor.par()->next());
 852                         bv->setState();
 853                         if (lyxrc.auto_region_delete) {
 854                                 if (TEXT(bv)->selection.set()) {
 855                                         TEXT(bv)->CutSelection(bv, false);
 856                                 }
 857                         }
 858                         TEXT(bv)->ClearSelection(bv);
 859                         for (string::size_type i = 0; i < arg.length(); ++i) {
 860                                 if (greek_kb_flag) {
 861                                         if (!math_insert_greek(bv, arg[i])) {
 862                                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 863                                         } else if (!the_locking_inset) {
 864                                                 (void)moveRight(bv, false);
 865                                         }
 866                                 } else {
 867                                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 868                                 }
 869                         }
 870                 }
 871                 TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
 872                 UpdateLocal(bv, CURSOR_PAR, true);
 873                 result=DISPATCHED_NOUPDATE;
 874                 break;
 875                 // --- Cursor Movements -----------------------------------
 876         case LFUN_RIGHTSEL:
 877                 bv->text->FinishUndo();
 878                 moveRight(bv, false, true);
 879                 TEXT(bv)->SetSelection(bv);
 880                 UpdateLocal(bv, SELECTION, false);
 881                 break;
 882         case LFUN_RIGHT:
 883                 result = moveRight(bv);
 884                 bv->text->FinishUndo();
 885                 UpdateLocal(bv, CURSOR, false);
 886                 break;
 887         case LFUN_LEFTSEL:
 888                 bv->text->FinishUndo();
 889                 moveLeft(bv, false, true);
 890                 TEXT(bv)->SetSelection(bv);
 891                 UpdateLocal(bv, SELECTION, false);
 892                 break;
 893         case LFUN_LEFT:
 894                 bv->text->FinishUndo();
 895                 result = moveLeft(bv);
 896                 UpdateLocal(bv, CURSOR, false);
 897                 break;
 898         case LFUN_DOWNSEL:
 899                 bv->text->FinishUndo();
 900                 moveDown(bv);
 901                 TEXT(bv)->SetSelection(bv);
 902                 UpdateLocal(bv, SELECTION, false);
 903                 break;
 904         case LFUN_DOWN:
 905                 bv->text->FinishUndo();
 906                 result = moveDown(bv);
 907                 UpdateLocal(bv, CURSOR, false);
 908                 break;
 909         case LFUN_UPSEL:
 910                 bv->text->FinishUndo();
 911                 moveUp(bv);
 912                 TEXT(bv)->SetSelection(bv);
 913                 UpdateLocal(bv, SELECTION, false);
 914                 break;
 915         case LFUN_UP:
 916                 bv->text->FinishUndo();
 917                 result = moveUp(bv);
 918                 UpdateLocal(bv, CURSOR, false);
 919                 break;
 920         case LFUN_HOME:
 921                 bv->text->FinishUndo();
 922                 TEXT(bv)->CursorHome(bv);
 923                 UpdateLocal(bv, CURSOR, false);
 924                 break;
 925         case LFUN_END:
 926                 TEXT(bv)->CursorEnd(bv);
 927                 UpdateLocal(bv, CURSOR, false);
 928                 break;
 929         case LFUN_BACKSPACE:
 930                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 931                                   bv->text->cursor.par()->previous(),
 932                                   bv->text->cursor.par()->next());
 933                 if (TEXT(bv)->selection.set())
 934                         TEXT(bv)->CutSelection(bv);
 935                 else
 936                         TEXT(bv)->Backspace(bv);
 937                 UpdateLocal(bv, CURSOR_PAR, true);
 938                 break;
 939         case LFUN_DELETE:
 940                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 941                                   bv->text->cursor.par()->previous(),
 942                                   bv->text->cursor.par()->next());
 943                 if (TEXT(bv)->selection.set())
 944                         TEXT(bv)->CutSelection(bv);
 945                 else
 946                         TEXT(bv)->Delete(bv);
 947                 UpdateLocal(bv, CURSOR_PAR, true);
 948                 break;
 949         case LFUN_CUT:
 950                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 951                                   bv->text->cursor.par()->previous(),
 952                                   bv->text->cursor.par()->next());
 953                 TEXT(bv)->CutSelection(bv);
 954                 UpdateLocal(bv, CURSOR_PAR, true);
 955                 break;
 956         case LFUN_COPY:
 957                 bv->text->FinishUndo();
 958                 TEXT(bv)->CopySelection(bv);
 959                 UpdateLocal(bv, CURSOR_PAR, false);
 960                 break;
 961         case LFUN_PASTESELECTION:
 962         {
 963                 string const clip(bv->getClipboard());
 964
 965                 if (clip.empty())
 966                         break;
 967                 if (arg == "paragraph") {
 968                         TEXT(bv)->InsertStringB(bv, clip);
 969                 } else {
 970                         TEXT(bv)->InsertStringA(bv, clip);
 971                 }
 972                 UpdateLocal(bv, CURSOR_PAR, true);
 973                 break;
 974         }
 975         case LFUN_PASTE:
 976                 if (!autoBreakRows) {
 977                         CutAndPaste cap;
 978
 979                         if (cap.nrOfParagraphs() > 1) {
 980                                 WriteAlert(_("Impossible operation"),
 981                                                    _("Cannot include more than one paragraph!"),
 982                                                    _("Sorry."));
 983                                 break;
 984                         }
 985                 }
 986                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 987                                   bv->text->cursor.par()->previous(),
 988                                   bv->text->cursor.par()->next());
 989                 TEXT(bv)->PasteSelection(bv);
 990                 UpdateLocal(bv, CURSOR_PAR, true);
 991                 break;
 992         case LFUN_BREAKPARAGRAPH:
 993                 if (!autoBreakRows)
 994                         return DISPATCHED;
 995                 TEXT(bv)->BreakParagraph(bv, 0);
 996                 UpdateLocal(bv, FULL, true);
 997                 break;
 998         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
 999                 if (!autoBreakRows)
1000                         return DISPATCHED;
1001                 TEXT(bv)->BreakParagraph(bv, 1);
1002                 UpdateLocal(bv, FULL, true);
1003                 break;
1004         case LFUN_BREAKLINE:
1005                 if (!autoBreakRows)
1006                         return DISPATCHED;
1007                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1008                                   bv->text->cursor.par()->previous(),
1009                                   bv->text->cursor.par()->next());
1010                 TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1011                 UpdateLocal(bv, CURSOR_PAR, true);
1012                 break;
1013         case LFUN_LAYOUT:
1014                 // do not set layouts on non breakable textinsets
1015                 if (autoBreakRows) {
1016                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1017
1018                         // Derive layout number from given argument (string)
1019                         // and current buffer's textclass (number). */
1020                         LyXTextClassList::ClassList::size_type tclass =
1021                                 bv->buffer()->params.textclass;
1022                         std::pair <bool, LyXTextClass::size_type> layout =
1023                                 textclasslist.NumberOfLayout(tclass, arg);
1024
1025                         // If the entry is obsolete, use the new one instead.
1026                         if (layout.first) {
1027                                 string obs = textclasslist.Style(tclass,layout.second).
1028                                         obsoleted_by();
1029                                 if (!obs.empty())
1030                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1031                         }
1032
1033                         // see if we found the layout number:
1034                         if (!layout.first) {
1035                                 string const msg = string(N_("Layout ")) + arg + N_(" not known");
1036                                 bv->owner()->getLyXFunc()->Dispatch(LFUN_MESSAGE, msg);
1037                                 break;
1038                         }
1039
1040                         if (cur_layout != layout.second) {
1041                                 cur_layout = layout.second;
1042                                 TEXT(bv)->SetLayout(bv, layout.second);
1043                                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1044                                 UpdateLocal(bv, CURSOR_PAR, true);
1045                         }
1046                 } else {
1047                         // reset the layout box
1048                         bv->owner()->setLayout(cpar(bv)->GetLayout());
1049                 }
1050                 break;
1051         case LFUN_PARAGRAPH_SPACING:
1052                 // This one is absolutely not working. When fiddling with this
1053                 // it also seems to me that the paragraphs inside the insettext
1054                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1055         {
1056                 LyXParagraph * par = TEXT(bv)->cursor.par();
1057                 Spacing::Space cur_spacing = par->params.spacing().getSpace();
1058                 float cur_value = 1.0;
1059                 if (cur_spacing == Spacing::Other) {
1060                         cur_value = par->params.spacing().getValue();
1061                 }
1062
1063                 std::istringstream istr(arg.c_str());
1064                 string tmp;
1065                 istr >> tmp;
1066                 Spacing::Space new_spacing = cur_spacing;
1067                 float new_value = cur_value;
1068                 if (tmp.empty()) {
1069                         lyxerr << "Missing argument to `paragraph-spacing'"
1070                                    << endl;
1071                 } else if (tmp == "single") {
1072                         new_spacing = Spacing::Single;
1073                 } else if (tmp == "onehalf") {
1074                         new_spacing = Spacing::Onehalf;
1075                 } else if (tmp == "double") {
1076                         new_spacing = Spacing::Double;
1077                 } else if (tmp == "other") {
1078                         new_spacing = Spacing::Other;
1079                         float tmpval = 0.0;
1080                         istr >> tmpval;
1081                         lyxerr << "new_value = " << tmpval << endl;
1082                         if (tmpval != 0.0)
1083                                 new_value = tmpval;
1084                 } else if (tmp == "default") {
1085                         new_spacing = Spacing::Default;
1086                 } else {
1087                         lyxerr << _("Unknown spacing argument: ")
1088                                    << arg << endl;
1089                 }
1090                 if (cur_spacing != new_spacing || cur_value != new_value) {
1091                         par->params.spacing(Spacing(new_spacing, new_value));
1092                         //TEXT(bv)->RedoParagraph(owner->view());
1093                         UpdateLocal(bv, CURSOR_PAR, true);
1094                         //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1095                 }
1096         }
1097         break;
1098
1099         default:
1100                 if (!bv->Dispatch(action, arg))
1101                         result = UNDISPATCHED;
1102                 break;
1103         }
1104
1105         /// If the action has deleted all text in the inset, we need to change the
1106         // language to the language to the surronding text.
1107         if (par->size() == 0 && !par->next()) {
1108                 LyXFont font(LyXFont::ALL_IGNORE);
1109                 font.setLanguage(bv->getParentLanguage(this));
1110                 SetFont(bv, font, false);
1111         }
1112
1113         if (result != FINISHED) {
1114                 ShowInsetCursor(bv);
1115         } else
1116                 bv->unlockInset(this);
1117         return result;
1118 }
1119
1120
1121 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1122 {
1123         TexRow texrow;
1124         buf->latexParagraphs(os, par, 0, texrow);
1125         return texrow.rows();
1126 }
1127
1128
1129 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1130 {
1131         LyXParagraph * p = par;
1132         unsigned int lines = 0;
1133
1134         while (p) {
1135                 string const tmp = buf->asciiParagraph(p, linelen);
1136                 lines += countChar(tmp, '\n');
1137                 os << tmp;
1138                 p = p->next();
1139         }
1140         return lines;
1141 }
1142
1143
1144 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1145 {
1146         LyXParagraph * p = par;
1147         unsigned int lines = 0;
1148         int desc = 0;
1149
1150         string tmp;
1151         while (p) {
1152                 buf->SimpleDocBookOnePar(os, tmp, p, desc, 0);
1153                 p = p->next();
1154         }
1155
1156         return lines;
1157 }
1158
1159
1160 void InsetText::Validate(LaTeXFeatures & features) const
1161 {
1162         LyXParagraph * p = par;
1163         while (p) {
1164                 p->validate(features);
1165                 p = p->next();
1166         }
1167 }
1168
1169
1170 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1171 {
1172         if (textclasslist.Style(buf->params.textclass,
1173                                 p->GetLayout()).labeltype != LABEL_MANUAL)
1174                 return 0;
1175         else
1176                 return p->BeginningOfMainBody();
1177 }
1178
1179
1180 void InsetText::GetCursorPos(BufferView * bv,
1181                              int & x, int & y) const
1182 {
1183         x = cx(bv);
1184         y = cy(bv);
1185 }
1186
1187
1188 unsigned int InsetText::InsetInInsetY()
1189 {
1190         if (!the_locking_inset)
1191                 return 0;
1192
1193         return (inset_y + the_locking_inset->InsetInInsetY());
1194 }
1195
1196
1197 void InsetText::ToggleInsetCursor(BufferView * bv)
1198 {
1199         if (the_locking_inset) {
1200                 the_locking_inset->ToggleInsetCursor(bv);
1201                 return;
1202         }
1203
1204         LyXFont const font(TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv)));
1205
1206         int const asc = lyxfont::maxAscent(font);
1207         int const desc = lyxfont::maxDescent(font);
1208
1209         if (isCursorVisible())
1210                 bv->hideLockedInsetCursor();
1211         else
1212                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1213         toggleCursorVisible();
1214 }
1215
1216
1217 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1218 {
1219         if (the_locking_inset) {
1220                 the_locking_inset->ShowInsetCursor(bv);
1221                 return;
1222         }
1223         if (!isCursorVisible()) {
1224                 LyXFont const font =
1225                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1226
1227                 int const asc = lyxfont::maxAscent(font);
1228                 int const desc = lyxfont::maxDescent(font);
1229
1230                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1231                 if (show)
1232                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1233                 setCursorVisible(true);
1234         }
1235 }
1236
1237
1238 void InsetText::HideInsetCursor(BufferView * bv)
1239 {
1240         if (isCursorVisible()) {
1241                 bv->hideLockedInsetCursor();
1242                 setCursorVisible(false);
1243         }
1244         if (the_locking_inset)
1245                 the_locking_inset->HideInsetCursor(bv);
1246 }
1247
1248
1249 UpdatableInset::RESULT
1250 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1251 {
1252         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1253                 return moveLeftIntern(bv, false, activate_inset, selecting);
1254         else
1255                 return moveRightIntern(bv, false, activate_inset, selecting);
1256 }
1257
1258
1259 UpdatableInset::RESULT
1260 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1261 {
1262         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1263                 return moveRightIntern(bv, true, activate_inset, selecting);
1264         else
1265                 return moveLeftIntern(bv, true, activate_inset, selecting);
1266 }
1267
1268
1269 UpdatableInset::RESULT
1270 InsetText::moveRightIntern(BufferView * bv, bool behind,
1271                            bool activate_inset, bool selecting)
1272 {
1273         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1274                 return FINISHED;
1275         if (activate_inset && checkAndActivateInset(bv, behind))
1276                 return DISPATCHED;
1277         TEXT(bv)->CursorRight(bv);
1278         if (!selecting)
1279                 TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
1280         return DISPATCHED_NOUPDATE;
1281 }
1282
1283
1284 UpdatableInset::RESULT
1285 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1286                           bool activate_inset, bool selecting)
1287 {
1288         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1289                 return FINISHED;
1290         TEXT(bv)->CursorLeft(bv);
1291         if (!selecting)
1292                 TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
1293         if (activate_inset && checkAndActivateInset(bv, behind))
1294                 return DISPATCHED;
1295         return DISPATCHED_NOUPDATE;
1296 }
1297
1298
1299 UpdatableInset::RESULT
1300 InsetText::moveUp(BufferView * bv)
1301 {
1302         if (!crow(bv)->previous())
1303                 return FINISHED;
1304         TEXT(bv)->CursorUp(bv);
1305         return DISPATCHED_NOUPDATE;
1306 }
1307
1308
1309 UpdatableInset::RESULT
1310 InsetText::moveDown(BufferView * bv)
1311 {
1312         if (!crow(bv)->next())
1313                 return FINISHED;
1314         TEXT(bv)->CursorDown(bv);
1315         return DISPATCHED_NOUPDATE;
1316 }
1317
1318
1319 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1320 {
1321         if (the_locking_inset) {
1322                 if (the_locking_inset->InsertInsetAllowed(inset))
1323                         return the_locking_inset->InsertInset(bv, inset);
1324                 return false;
1325         }
1326         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1327                           bv->text->cursor.par()->previous(),
1328                           bv->text->cursor.par()->next());
1329         inset->setOwner(this);
1330         HideInsetCursor(bv);
1331         TEXT(bv)->InsertInset(bv, inset);
1332 #if 0
1333         if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1334                 (cpar(bv)->GetInset(cpos(bv)) != inset))
1335                 TEXT(bv)->CursorLeft(bv);
1336 #endif
1337         bv->fitCursor(TEXT(bv));
1338         UpdateLocal(bv, CURSOR_PAR|CURSOR, true);
1339         ShowInsetCursor(bv);
1340         return true;
1341 }
1342
1343
1344 UpdatableInset * InsetText::GetLockingInset()
1345 {
1346         return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1347 }
1348
1349
1350 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1351 {
1352         if (c == LyxCode())
1353                 return this;
1354         if (the_locking_inset)
1355                 return the_locking_inset->GetFirstLockingInsetOfType(c);
1356         return 0;
1357 }
1358
1359
1360 bool InsetText::ShowInsetDialog(BufferView * bv) const
1361 {
1362         if (the_locking_inset)
1363                 return the_locking_inset->ShowInsetDialog(bv);
1364         return false;
1365 }
1366
1367
1368 std::vector<string> const InsetText::getLabelList() const
1369 {
1370         std::vector<string> label_list;
1371
1372         LyXParagraph * tpar = par;
1373         while (tpar) {
1374                 LyXParagraph::inset_iterator beg = tpar->inset_iterator_begin();
1375                 LyXParagraph::inset_iterator end = tpar->inset_iterator_end();
1376                 for (; beg != end; ++beg) {
1377                         std::vector<string> const l = (*beg)->getLabelList();
1378                         label_list.insert(label_list.end(), l.begin(), l.end());
1379                 }
1380                 tpar = tpar->next();
1381         }
1382         return label_list;
1383 }
1384
1385
1386 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall,
1387                         bool selectall)
1388 {
1389         if (the_locking_inset) {
1390                 the_locking_inset->SetFont(bv, font, toggleall, selectall);
1391                 return;
1392         }
1393         if (TEXT(bv)->selection.set()) {
1394                 bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1395                                   bv->text->cursor.par()->previous(),
1396                                   bv->text->cursor.par()->next());
1397         }
1398         if (selectall)
1399                 selectAll(bv);
1400         TEXT(bv)->SetFont(bv, font, toggleall);
1401         if (selectall)
1402                 TEXT(bv)->ClearSelection(bv);
1403         bv->fitCursor(TEXT(bv));
1404         if (selectall || TEXT(bv)->selection.set())
1405                 UpdateLocal(bv, FULL, true);
1406         else
1407                 UpdateLocal(bv, CURSOR_PAR, true);
1408 }
1409
1410
1411 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1412 {
1413         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1414                 unsigned int x;
1415                 unsigned int y;
1416                 Inset * inset =
1417                         static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1418                 if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1419                         return false;
1420                 LyXFont const font =
1421                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1422                 if (behind) {
1423                         x = inset->width(bv, font);
1424                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1425                 } else {
1426                         x = 0;
1427                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1428                 }
1429                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1430                 //inset_y = cy(bv) + drawTextYOffset;
1431                 inset->Edit(bv, x, y, 0);
1432                 if (!the_locking_inset)
1433                         return false;
1434                 UpdateLocal(bv, CURSOR, false);
1435                 return true;
1436         }
1437         return false;
1438 }
1439
1440
1441 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1442                                       int button)
1443 {
1444         int dummyx, dummyy;
1445
1446         dummyx = x = x - drawTextXOffset;
1447         dummyy = y + insetAscent;
1448         Inset * inset = bv->checkInsetHit(TEXT(bv), dummyx, dummyy, button);
1449
1450         if (inset) {
1451                 if (x < 0)
1452                         x = insetWidth;
1453                 if (y < 0)
1454                         y = insetDescent;
1455                 inset_x = cx(bv) - top_x + drawTextXOffset;
1456                 inset_y = cy(bv) + drawTextYOffset;
1457                 inset->Edit(bv, x - inset_x, y - inset_y, button);
1458                 if (!the_locking_inset)
1459                         return false;
1460                 UpdateLocal(bv, CURSOR, false);
1461                 return true;
1462         }
1463         return false;
1464 }
1465
1466
1467 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1468 {
1469         int w = UpdatableInset::getMaxWidth(bv, inset);
1470         if (w < 0) {
1471                 return w;
1472         }
1473         if (owner()) {
1474                 w = w - top_x + owner()->x();
1475                 return w;
1476         }
1477         w -= (2 * TEXT_TO_INSET_OFFSET);
1478         return w - top_x;
1479 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1480 }
1481
1482
1483 void InsetText::SetParagraphData(LyXParagraph * p)
1484 {
1485         // delete all instances of LyXText before deleting the paragraps used
1486         // by it.
1487         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1488                 delete (*cit).second;
1489                 (*cit).second = 0;
1490         }
1491
1492         while (par) {
1493                 LyXParagraph * tmp = par->next();
1494                 delete par;
1495                 par = tmp;
1496         }
1497
1498         par = new LyXParagraph(*p);
1499         par->SetInsetOwner(this);
1500         LyXParagraph * np = par;
1501         while (p->next()) {
1502                 p = p->next();
1503                 np->next(new LyXParagraph(*p));
1504                 np->next()->previous(np);
1505                 np = np->next();
1506                 np->SetInsetOwner(this);
1507         }
1508
1509         need_update = INIT;
1510 }
1511
1512
1513 void InsetText::SetText(string const & data)
1514 {
1515         clear();
1516         LyXFont font(LyXFont::ALL_SANE);
1517         for (unsigned int i=0; i < data.length(); ++i)
1518                 par->InsertChar(i, data[i], font);
1519 }
1520
1521
1522 void InsetText::SetAutoBreakRows(bool flag)
1523 {
1524         if (flag != autoBreakRows) {
1525                 autoBreakRows = flag;
1526                 need_update = FULL;
1527                 if (!flag)
1528                         removeNewlines();
1529         }
1530 }
1531
1532
1533 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1534 {
1535         if (how != drawFrame_) {
1536                 drawFrame_ = how;
1537                 if (bv)
1538                         UpdateLocal(bv, DRAW_FRAME, false);
1539         }
1540 }
1541
1542
1543 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1544 {
1545         if (frame_color != col) {
1546                 frame_color = col;
1547                 if (bv)
1548                         UpdateLocal(bv, DRAW_FRAME, false);
1549         }
1550 }
1551
1552
1553 int InsetText::cx(BufferView * bv) const
1554 {
1555         LyXText * text = TEXT(bv);
1556         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1557         if (the_locking_inset) {
1558                 LyXFont font = text->GetFont(bv->buffer(),
1559                                              text->cursor.par(),
1560                                              text->cursor.pos());
1561                 if (font.isVisibleRightToLeft())
1562                         x -= the_locking_inset->width(bv, font);
1563         }
1564         return x;
1565 }
1566
1567
1568 int InsetText::cy(BufferView * bv) const
1569 {
1570         LyXFont font;
1571         return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1572 }
1573
1574
1575 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1576 {
1577         return TEXT(bv)->cursor.pos();
1578 }
1579
1580
1581 LyXParagraph * InsetText::cpar(BufferView * bv) const
1582 {
1583         return TEXT(bv)->cursor.par();
1584 }
1585
1586
1587 bool InsetText::cboundary(BufferView * bv) const
1588 {
1589         return TEXT(bv)->cursor.boundary();
1590 }
1591
1592
1593 Row * InsetText::crow(BufferView * bv) const
1594 {
1595         return TEXT(bv)->cursor.row();
1596 }
1597
1598
1599 LyXText * InsetText::getLyXText(BufferView const * lbv,
1600                                 bool const recursive) const
1601 {
1602         // Super UGLY! (Lgb)
1603         BufferView * bv = const_cast<BufferView *>(lbv);
1604
1605         if ((cache.find(bv) != cache.end()) && cache[bv]) {
1606                 if (recursive && the_locking_inset)
1607                         return the_locking_inset->getLyXText(bv);
1608                 return cache[bv];
1609         }
1610         LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1611         lt->init(bv);
1612         cache[bv] = lt;
1613         if (the_locking_inset) {
1614                 lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1615                 if (recursive)
1616                         return the_locking_inset->getLyXText(bv);
1617         }
1618         return lt;
1619 }
1620
1621
1622 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1623 {
1624         if ((cache.find(bv) == cache.end()) || !cache[bv])
1625                 return;
1626         delete cache[bv];
1627         cache.erase(bv);
1628         if (recursive) {
1629                 /// then remove all LyXText in text-insets
1630                 LyXParagraph * p = par;
1631                 for (; p; p = p->next()) {
1632                         p->deleteInsetsLyXText(bv);
1633                 }
1634         }
1635 }
1636
1637
1638 void InsetText::resizeLyXText(BufferView * bv, bool force) const
1639 {
1640         if (!par->next() && !par->size()) // no data, resize not neccessary!
1641                 return;
1642         // one endless line, resize normally not necessary
1643         if (!force && getMaxWidth(bv, this) < 0)
1644                 return;
1645         if ((cache.find(bv) == cache.end()) || !cache[bv])
1646                 return;
1647
1648         LyXParagraph * lpar = 0;
1649         LyXParagraph * selstartpar = 0;
1650         LyXParagraph * selendpar = 0;
1651         LyXParagraph::size_type pos = 0;
1652         LyXParagraph::size_type selstartpos = 0;
1653         LyXParagraph::size_type selendpos = 0;
1654         bool boundary = false;
1655         bool selstartboundary = false;
1656         bool selendboundary = false;
1657         bool selection = false;
1658         bool mark_set = false;
1659
1660 //    ProhibitInput(bv);
1661
1662         if (locked) {
1663                 lpar = TEXT(bv)->cursor.par();
1664                 pos = TEXT(bv)->cursor.pos();
1665                 boundary = TEXT(bv)->cursor.boundary();
1666                 selstartpar = TEXT(bv)->selection.start.par();
1667                 selstartpos = TEXT(bv)->selection.start.pos();
1668                 selstartboundary = TEXT(bv)->selection.start.boundary();
1669                 selendpar = TEXT(bv)->selection.end.par();
1670                 selendpos = TEXT(bv)->selection.end.pos();
1671                 selendboundary = TEXT(bv)->selection.end.boundary();
1672                 selection = TEXT(bv)->selection.set();
1673                 mark_set = TEXT(bv)->selection.mark();
1674         }
1675         deleteLyXText(bv, (the_locking_inset == 0) || force);
1676
1677         if (lpar) {
1678                 TEXT(bv)->selection.set(true);
1679                 /* at this point just to avoid the Delete-Empty-Paragraph
1680                  * Mechanism when setting the cursor */
1681                 TEXT(bv)->selection.mark(mark_set);
1682                 if (selection) {
1683                         TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,
1684                                             true, selstartboundary);
1685                         TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
1686                         TEXT(bv)->SetCursor(bv, selendpar, selendpos,
1687                                             true, selendboundary);
1688                         TEXT(bv)->SetSelection(bv);
1689                         TEXT(bv)->SetCursor(bv, lpar, pos);
1690                 } else {
1691                         TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1692                         TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
1693                         TEXT(bv)->selection.set(false);
1694                 }
1695         }
1696         if (bv->screen())
1697                 TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1698         // this will scroll the screen such that the cursor becomes visible
1699         bv->updateScrollbar();
1700 //    AllowInput(bv);
1701         if (the_locking_inset) {
1702                 /// then resize all LyXText in text-insets
1703                 inset_x = cx(bv) - top_x + drawTextXOffset;
1704                 inset_y = cy(bv) + drawTextYOffset;
1705                 for (LyXParagraph * p = par; p; p = p->next()) {
1706                         p->resizeInsetsLyXText(bv);
1707                 }
1708         }
1709         need_update = FULL;
1710 }
1711
1712
1713 void InsetText::removeNewlines()
1714 {
1715         for (LyXParagraph * p = par; p; p = p->next()) {
1716                 for (int i = 0; i < p->size(); ++i) {
1717                         if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1718                                 p->Erase(i);
1719                 }
1720         }
1721 }
1722
1723
1724 bool InsetText::nodraw() const
1725 {
1726         if (the_locking_inset)
1727                 return the_locking_inset->nodraw();
1728         return UpdatableInset::nodraw();
1729 }
1730
1731
1732 int InsetText::scroll(bool recursive) const
1733 {
1734         int sx = UpdatableInset::scroll(false);
1735
1736         if (recursive && the_locking_inset)
1737                 sx += the_locking_inset->scroll(recursive);
1738
1739         return sx;
1740 }
1741
1742
1743 bool InsetText::doClearArea() const
1744 {
1745         return !locked || (need_update & (FULL|INIT));
1746 }
1747
1748 void InsetText::selectAll(BufferView * bv)
1749 {
1750         TEXT(bv)->CursorTop(bv);
1751         TEXT(bv)->selection.cursor = TEXT(bv)->cursor;
1752         TEXT(bv)->CursorBottom(bv);
1753         TEXT(bv)->SetSelection(bv);
1754 }
1755
1756 void InsetText::clearSelection(BufferView * bv)
1757 {
1758         TEXT(bv)->ClearSelection(bv);
1759 }
1760
1761 void InsetText::clearInset(Painter & pain, int baseline, bool & cleared) const
1762 {
1763         int w =  insetWidth;
1764         int h = insetAscent + insetDescent;
1765         int ty = baseline - insetAscent;
1766
1767         if (ty < 0) {
1768                 h += ty;
1769                 ty = 0;
1770         }
1771         if ((ty + h) > pain.paperHeight())
1772                 h = pain.paperHeight();
1773         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
1774                 w = pain.paperWidth();
1775         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
1776         cleared = true;
1777         need_update = FULL;
1778 }
1779 /* Emacs:
1780  * Local variables:
1781  * tab-width: 4
1782  * End:
1783  * vi:set tabstop=4:
1784  */