src/insets/insettext.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 1998-2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13
  14 #include <fstream>
  15 #include <algorithm>
  16
  17 #include <cstdlib>
  18
  19 #ifdef __GNUG__
  20 #pragma implementation
  21 #endif
  22
  23 #include "insettext.h"
  24 #include "lyxparagraph.h"
  25 #include "lyxlex.h"
  26 #include "debug.h"
  27 #include "lyxfont.h"
  28 #include "commandtags.h"
  29 #include "buffer.h"
  30 #include "LyXView.h"
  31 #include "BufferView.h"
  32 #include "layout.h"
  33 #include "LaTeXFeatures.h"
  34 #include "Painter.h"
  35 #include "lyx_gui_misc.h"
  36 #include "lyxtext.h"
  37 #include "lyxcursor.h"
  38 #include "CutAndPaste.h"
  39 #include "font.h"
  40 #include "minibuffer.h"
  41 #include "LColor.h"
  42 #include "support/textutils.h"
  43 #include "support/LAssert.h"
  44 #include "lyxrow.h"
  45 #include "lyxrc.h"
  46 #include "intl.h"
  47 #include "trans_mgr.h"
  48 #include "lyxscreen.h"
  49 #include "WorkArea.h"
  50
  51 using std::ostream;
  52 using std::ifstream;
  53 using std::endl;
  54 using std::min;
  55 using std::max;
  56
  57 extern unsigned char getCurrentTextClass(Buffer *);
  58 extern bool math_insert_greek(BufferView *, char);
  59 extern int greek_kb_flag;
  60
  61 InsetText::InsetText()
  62 {
  63         par = new LyXParagraph;
  64         init();
  65 }
  66
  67
  68 InsetText::InsetText(InsetText const & ins)
  69         : UpdatableInset()
  70 {
  71         par = 0;
  72         init(&ins);
  73         autoBreakRows = ins.autoBreakRows;
  74 }
  75
  76
  77 InsetText & InsetText::operator=(InsetText const & it)
  78 {
  79         init(&it);
  80         autoBreakRows = it.autoBreakRows;
  81         return * this;
  82 }
  83
  84
  85 void InsetText::init(InsetText const * ins)
  86 {
  87         top_y = 0;
  88         last_width = 0;
  89         last_height = 0;
  90         insetAscent = 0;
  91         insetDescent = 0;
  92         insetWidth = 0;
  93         the_locking_inset = 0;
  94 #if 0
  95         cursor_visible = false;
  96 #endif
  97         interline_space = 1;
  98         no_selection = false;
  99         need_update = INIT;
 100         drawTextXOffset = 0;
 101         drawTextYOffset = 0;
 102         autoBreakRows = false;
 103         drawFrame_ = NEVER;
 104         xpos = 0.0;
 105         if (ins) {
 106                 SetParagraphData(ins->par);
 107                 autoBreakRows = ins->autoBreakRows;
 108                 drawFrame_ = ins->drawFrame_;
 109         }
 110         par->SetInsetOwner(this);
 111         frame_color = LColor::insetframe;
 112         locked = false;
 113         old_par = 0;
 114         last_drawn_width = -1;
 115         frame_is_visible = false;
 116 }
 117
 118
 119 InsetText::~InsetText()
 120 {
 121         // delete all instances of LyXText before deleting the paragraps used
 122         // by it.
 123         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 124                 delete (*cit).second;
 125                 (*cit).second = 0;
 126         }
 127 #ifndef NEW_INSETS
 128         LyXParagraph * p = par->next_;
 129         delete par;
 130         while(p) {
 131                 par = p;
 132                 p = p->next_;
 133                 delete par;
 134         }
 135 #else
 136         while (par) {
 137                 LyXParagraph * tmp = par->next();
 138                 delete par;
 139                 par = tmp;
 140         }
 141 #endif
 142 }
 143
 144
 145 void InsetText::clear()
 146 {
 147         // delete all instances of LyXText before deleting the paragraps used
 148         // by it.
 149         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
 150                 delete (*cit).second;
 151                 (*cit).second = 0;
 152         }
 153 #ifndef NEW_INSETS
 154         LyXParagraph * p = par->next_;
 155         delete par;
 156         while(p) {
 157                 par = p;
 158                 p = p->next_;
 159                 delete par;
 160         }
 161 #else
 162         while (par) {
 163                 LyXParagraph * tmp = par->next();
 164                 delete par;
 165                 par = tmp;
 166         }
 167 #endif
 168         par = new LyXParagraph;
 169 }
 170
 171
 172 Inset * InsetText::Clone(Buffer const &) const
 173 {
 174         InsetText * t = new InsetText(*this);
 175         return t;
 176 }
 177
 178
 179 void InsetText::Write(Buffer const * buf, ostream & os) const
 180 {
 181         os << "Text\n";
 182         WriteParagraphData(buf, os);
 183 }
 184
 185
 186 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 187 {
 188         par->writeFile(buf, os, buf->params, 0, 0);
 189 }
 190
 191
 192 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 193 {
 194         string token;
 195         int pos = 0;
 196         LyXParagraph * return_par = 0;
 197         char depth = 0; // signed or unsigned?
 198 #ifndef NEW_INSETS
 199         LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 200         LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 201 #endif
 202         LyXFont font(LyXFont::ALL_INHERIT);
 203
 204         // delete all instances of LyXText before deleting the paragraps used
 205         // by it.
 206         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit) {
 207                 delete (*cit).second;
 208                 (*cit).second = 0;
 209         }
 210
 211 #ifndef NEW_INSETS
 212         LyXParagraph * p = par->next_;
 213         delete par;
 214         while(p) {
 215                 par = p;
 216                 p = p->next_;
 217                 delete par;
 218         }
 219 #else
 220         while (par) {
 221                 LyXParagraph * tmp = par->next();
 222                 delete par;
 223                 par = tmp;
 224         }
 225 #endif
 226         par = new LyXParagraph;
 227         while (lex.IsOK()) {
 228                 lex.nextToken();
 229                 token = lex.GetString();
 230                 if (token.empty())
 231                         continue;
 232                 if (token == "\\end_inset")
 233                         break;
 234                 if (const_cast<Buffer*>(buf)->
 235                         parseSingleLyXformat2Token(lex, par, return_par,
 236                                                    token, pos, depth, font
 237 #ifndef NEW_INSETS
 238                                                    , footnoteflag, footnotekind
 239 #endif
 240                                 ))
 241                 {
 242                         // the_end read this should NEVER happen
 243                         lex.printError("\\the_end read in inset! Error in document!");
 244                         return;
 245                 }
 246         }
 247         if (!return_par)
 248                 return_par = par;
 249         par = return_par;
 250         while(return_par) {
 251                 return_par->SetInsetOwner(this);
 252 #ifndef NEW_INSETS
 253                 return_par = return_par->next_;
 254 #else
 255                 return_par = return_par->next();
 256 #endif
 257         }
 258
 259         if (token != "\\end_inset") {
 260                 lex.printError("Missing \\end_inset at this point. "
 261                                            "Read: `$$Token'");
 262         }
 263         need_update = INIT;
 264 }
 265
 266
 267 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 268 {
 269         int y_temp = 0;
 270         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 271         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 272         return insetAscent;
 273 }
 274
 275
 276 int InsetText::descent(BufferView * bv, LyXFont const &) const
 277 {
 278         int y_temp = 0;
 279         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 280         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 281         TEXT_TO_INSET_OFFSET;
 282         return insetDescent;
 283 }
 284
 285
 286 int InsetText::width(BufferView * bv, LyXFont const &) const
 287 {
 288         insetWidth = max(textWidth(bv),
 289                          (int)TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET));
 290         return insetWidth;
 291 }
 292
 293
 294 int InsetText::textWidth(BufferView * bv) const
 295 {
 296         int const w = getMaxWidth(bv, this);
 297         return w;
 298 }
 299
 300
 301 void InsetText::draw(BufferView * bv, LyXFont const & f,
 302                      int baseline, float & x, bool cleared) const
 303 {
 304         if (nodraw())
 305                 return;
 306
 307         Painter & pain = bv->painter();
 308
 309         // no draw is necessary !!!
 310         if ((drawFrame_ == LOCKED) && !locked && !par->size()) {
 311                 top_x = int(x);
 312                 top_baseline = baseline;
 313                 x += width(bv, f);
 314                 if (!cleared && (need_update & CLEAR_FRAME))
 315                         clearFrame(pain, cleared);
 316                 need_update = NONE;
 317                 return;
 318         }
 319
 320         xpos = x;
 321 #if 0
 322         UpdatableInset::draw(bv, f, baseline, x, cleared);
 323 #else
 324         if (!owner())
 325                 x += (float)scroll();
 326 #endif
 327         // update insetWidth and insetHeight with dummy calls
 328         (void)ascent(bv, f);
 329         (void)descent(bv, f);
 330         (void)width(bv, f);
 331
 332         // if top_x differs we have a rule down and we don't have to clear anything
 333         if (!cleared && (top_x == int(x)) &&
 334                 ((need_update&(INIT|FULL)) || (top_baseline!=baseline) ||
 335                  (last_drawn_width!=insetWidth)))
 336         {
 337                 int w =  insetWidth;
 338                 int h = insetAscent + insetDescent;
 339                 int ty = baseline - insetAscent;
 340
 341                 if (ty < 0) {
 342                         h += ty;
 343                         ty = 0;
 344                 }
 345                 if ((ty + h) > pain.paperHeight())
 346                         h = pain.paperHeight();
 347                 if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 348                         w = pain.paperWidth();
 349                 pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 350                 cleared = true;
 351                 need_update = FULL;
 352         }
 353         if (!cleared && (need_update == NONE))
 354                 return;
 355
 356         if (top_x != int(x)) {
 357                 need_update |= INIT;
 358                 top_x = int(x);
 359                 bv->text->status = LyXText::CHANGED_IN_DRAW;
 360                 return;
 361         }
 362
 363 //      lyxerr << "InsetText::draw[" << this << "](" << need_update << ":" << int(x) << ":" << top_x << ")\n";
 364
 365         if (cleared || (last_drawn_width != insetWidth)) {
 366                 need_update |= FULL;
 367                 last_drawn_width = insetWidth;
 368         }
 369
 370         top_baseline = baseline;
 371         top_y = baseline - ascent(bv, f);
 372         last_width = width(bv, f);
 373         last_height = ascent(bv, f) + descent(bv, f);
 374
 375         if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 376                 inset_x = cx(bv) - top_x + drawTextXOffset;
 377                 inset_y = cy(bv) + drawTextYOffset;
 378         }
 379         if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 380                 drawFrame(pain, cleared);
 381                 x += width(bv, f);
 382                 need_update = NONE;
 383                 return;
 384         }
 385         x += TEXT_TO_INSET_OFFSET;
 386
 387 #warning Jürgen, why is this a block of its own? (Lgb)
 388 #warning because you told me to define variables only in local contest (Jug)!
 389         {
 390         int y = 0;
 391         Row * row = TEXT(bv)->GetRowNearY(y);
 392         int y_offset = baseline - row->ascent_of_text();
 393         int ph = pain.paperHeight();
 394         int first = 0;
 395         y = y_offset;
 396         while ((row != 0) && ((y+row->height()) <= 0)) {
 397                 y += row->height();
 398                 first += row->height();
 399                 row = row->next();
 400         }
 401         if (y_offset < 0)
 402                 y_offset = y;
 403         TEXT(bv)->first = first;
 404         if (cleared) {
 405                 int yf = y_offset;
 406                 y = 0;
 407                 while ((row != 0) && (yf < ph)) {
 408                         TEXT(bv)->GetVisibleRow(bv, y+y_offset, int(x), row,
 409                                                 y+first, cleared);
 410                 y += row->height();
 411                 yf += row->height();
 412                 row = row->next();
 413                 }
 414         } else if (!locked) {
 415                 if (need_update & CURSOR) {
 416                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 417                         TEXT(bv)->ClearSelection(bv);
 418                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 419                 }
 420                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 421         } else {
 422                 locked = false;
 423                 if (need_update & SELECTION)
 424                         bv->screen()->ToggleToggle(TEXT(bv), bv, y_offset, int(x));
 425                 else if (need_update & CURSOR) {
 426                         bv->screen()->ToggleSelection(TEXT(bv), bv, true, y_offset,int(x));
 427                         TEXT(bv)->ClearSelection(bv);
 428                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 429                 }
 430                 bv->screen()->Update(TEXT(bv), bv, y_offset, int(x));
 431                 locked = true;
 432         }
 433         }
 434         TEXT(bv)->refresh_y = 0;
 435         TEXT(bv)->status = LyXText::UNCHANGED;
 436         if ((need_update != CURSOR_PAR) &&
 437                 ((drawFrame_ == ALWAYS) || ((drawFrame_ == LOCKED) && locked)))
 438                 drawFrame(pain, cleared);
 439         else if (need_update & CLEAR_FRAME)
 440                 clearFrame(pain, cleared);
 441         x += width(bv, f) - TEXT_TO_INSET_OFFSET;
 442         if (bv->text->status==LyXText::CHANGED_IN_DRAW) {
 443                 need_update |= INIT;
 444         } else if (need_update != INIT)
 445                 need_update = NONE;
 446 }
 447
 448
 449 void InsetText::drawFrame(Painter & pain, bool cleared) const
 450 {
 451         if (!frame_is_visible || cleared) {
 452                 pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 453                                insetWidth - 1, insetAscent + insetDescent - 1,
 454                                frame_color);
 455                 frame_is_visible = true;
 456         }
 457 }
 458
 459
 460 void InsetText::clearFrame(Painter & pain, bool cleared) const
 461 {
 462         if (frame_is_visible) {
 463                 if (!cleared) {
 464                         pain.rectangle(top_x + 1, top_baseline - insetAscent + 1,
 465                                        insetWidth - 1, insetAscent + insetDescent - 1,
 466                                        LColor::background);
 467                 }
 468                 frame_is_visible = false;
 469         }
 470 }
 471
 472
 473 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 474 {
 475         if (reinit) {
 476                 need_update |= INIT;
 477                 resizeLyXText(bv);
 478                 if (owner())
 479                         owner()->update(bv, font, true);
 480                 return;
 481         }
 482         if (the_locking_inset) {
 483                 inset_x = cx(bv) - top_x + drawTextXOffset;
 484                 inset_y = cy(bv) + drawTextYOffset;
 485                 the_locking_inset->update(bv, font, reinit);
 486         }
 487 #if 0
 488         if (need_update == INIT) {
 489                 resizeLyXText(bv);
 490                 need_update |= FULL;
 491         }
 492 #endif
 493         int oldw = insetWidth;
 494         insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 495         if (oldw != insetWidth) {
 496                 resizeLyXText(bv);
 497                 need_update |= FULL;
 498 //              update(bv, font, reinit);
 499                 return;
 500         }
 501         if ((need_update&CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 502                 the_locking_inset)
 503         {
 504                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 505         }
 506
 507         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 508                 need_update |= FULL;
 509 #if 0
 510         int y_temp = 0;
 511         Row * row = TEXT(bv)->GetRowNearY(y_temp);
 512         insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 513         insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 514                 TEXT_TO_INSET_OFFSET;
 515 #endif
 516 }
 517
 518
 519 void InsetText::SetUpdateStatus(BufferView * bv, int what) const
 520 {
 521         need_update |= what;
 522         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 523                 need_update |= FULL;
 524         else if (TEXT(bv)->status == LyXText::NEED_VERY_LITTLE_REFRESH)
 525                 need_update |= CURSOR_PAR;
 526
 527         // this to not draw a selection when we redraw all of it!
 528         if ((need_update & (INIT|FULL)) && (need_update & CURSOR))
 529                 TEXT(bv)->ClearSelection(bv);
 530 }
 531
 532
 533 void InsetText::UpdateLocal(BufferView * bv, int what, bool mark_dirty)
 534 {
 535         TEXT(bv)->FullRebreak(bv);
 536         SetUpdateStatus(bv, what);
 537         if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 538                 TEXT(bv)->selection)
 539                 bv->updateInset(this, mark_dirty);
 540         bv->owner()->showState();
 541         if (old_par != cpar(bv)) {
 542                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 543                 old_par = cpar(bv);
 544         }
 545 }
 546
 547
 548 string const InsetText::EditMessage() const
 549 {
 550         return _("Opened Text Inset");
 551 }
 552
 553
 554 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 555 {
 556 //    par->SetInsetOwner(this);
 557         UpdatableInset::Edit(bv, x, y, button);
 558
 559         if (!bv->lockInset(this)) {
 560                 lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 561                 return;
 562         }
 563         locked = true;
 564         the_locking_inset = 0;
 565         inset_pos = inset_x = inset_y = 0;
 566         inset_boundary = false;
 567         inset_par = 0;
 568         old_par = 0;
 569         if (!checkAndActivateInset(bv, x, y, button))
 570                 TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 571                                                    y + insetAscent);
 572         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 573         bv->text->FinishUndo();
 574         ShowInsetCursor(bv);
 575         UpdateLocal(bv, CURSOR, false);
 576
 577         // If the inset is empty set the language of the current font to the
 578         // language to the surronding text.
 579 #ifndef NEW_INSETS
 580         if (par->Last() == 0 && !par->next_)
 581 #else
 582         if (par->size() == 0 && !par->next())
 583 #endif
 584         {
 585                 LyXFont font(LyXFont::ALL_IGNORE);
 586                 font.setLanguage(bv->getParentLanguage(this));
 587                 SetFont(bv, font, false);
 588         }
 589 }
 590
 591
 592 void InsetText::InsetUnlock(BufferView * bv)
 593 {
 594         if (the_locking_inset) {
 595                 the_locking_inset->InsetUnlock(bv);
 596                 the_locking_inset = 0;
 597         }
 598         HideInsetCursor(bv);
 599         no_selection = false;
 600         locked = false;
 601         UpdateLocal(bv, CLEAR_FRAME|CURSOR, false);
 602         if (owner())
 603                 bv->owner()->setLayout(owner()->getLyXText(bv)
 604                                        ->cursor.par()->GetLayout());
 605         else
 606                 bv->owner()->setLayout(bv->text->cursor.par()->GetLayout());
 607 }
 608
 609
 610 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 611 {
 612         lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset("
 613                               << inset << "): ";
 614         if (!inset)
 615                 return false;
 616         if (inset == cpar(bv)->GetInset(cpos(bv))) {
 617                 lyxerr[Debug::INSETS] << "OK" << endl;
 618                 the_locking_inset = inset;
 619                 inset_x = cx(bv) - top_x + drawTextXOffset;
 620                 inset_y = cy(bv) + drawTextYOffset;
 621                 inset_pos = cpos(bv);
 622                 inset_par = cpar(bv);
 623                 inset_boundary = cboundary(bv);
 624 #if 0
 625                 TEXT(bv)->ClearSelection(bv);
 626                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 627                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 628 #else
 629                 UpdateLocal(bv, CURSOR, false);
 630 #endif
 631                 return true;
 632         } else if (the_locking_inset && (the_locking_inset == inset)) {
 633                 if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 634                         lyxerr[Debug::INSETS] << "OK" << endl;
 635                         inset_x = cx(bv) - top_x + drawTextXOffset;
 636                         inset_y = cy(bv) + drawTextYOffset;
 637                 } else {
 638                         lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 639                 }
 640         } else if (the_locking_inset) {
 641                 lyxerr[Debug::INSETS] << "MAYBE" << endl;
 642                 return the_locking_inset->LockInsetInInset(bv, inset);
 643         }
 644         lyxerr[Debug::INSETS] << "NOT OK" << endl;
 645         return false;
 646 }
 647
 648
 649 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 650                                    bool lr)
 651 {
 652         if (!the_locking_inset)
 653                 return false;
 654         if (the_locking_inset == inset) {
 655                 the_locking_inset->InsetUnlock(bv);
 656                 TEXT(bv)->UpdateInset(bv, inset);
 657                 the_locking_inset = 0;
 658                 if (lr)
 659                         moveRight(bv, false);
 660                 old_par = 0; // force layout setting
 661                 if (scroll())
 662                         scroll(bv, 0.0F);
 663                 else
 664                         UpdateLocal(bv, CURSOR, false);
 665                 return true;
 666         }
 667         return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 668 }
 669
 670
 671 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 672 {
 673         if (!the_locking_inset)
 674                 return false;
 675         if (the_locking_inset != inset) {
 676                 TEXT(bv)->UpdateInset(bv, the_locking_inset);
 677                 SetUpdateStatus(bv, CURSOR_PAR);
 678                 return the_locking_inset->UpdateInsetInInset(bv, inset);
 679         }
 680 //    UpdateLocal(bv, FULL, false);
 681         if (TEXT(bv)->UpdateInset(bv, inset))
 682                 UpdateLocal(bv, CURSOR_PAR, false);
 683         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 684                 inset_x = cx(bv) - top_x + drawTextXOffset;
 685                 inset_y = cy(bv) + drawTextYOffset;
 686         }
 687         return true;
 688 }
 689
 690
 691 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 692 {
 693         no_selection = true;
 694
 695         int tmp_x = x - drawTextXOffset;
 696         int tmp_y = y + insetAscent - TEXT(bv)->first;
 697         Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 698
 699         HideInsetCursor(bv);
 700         if (the_locking_inset) {
 701                 if (the_locking_inset == inset) {
 702                         the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 703                         no_selection = false;
 704                         return;
 705                 } else if (inset) {
 706                         // otherwise unlock the_locking_inset and lock the new inset
 707                         the_locking_inset->InsetUnlock(bv);
 708                         inset_x = cx(bv) - top_x + drawTextXOffset;
 709                         inset_y = cy(bv) + drawTextYOffset;
 710                         the_locking_inset = static_cast<UpdatableInset*>(inset);
 711                         inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 712                         inset->Edit(bv, x - inset_x, y - inset_y, button);
 713                         if (the_locking_inset)
 714                                 UpdateLocal(bv, CURSOR, false);
 715                         no_selection = false;
 716                         return;
 717                 }
 718                 // otherwise only unlock the_locking_inset
 719                 the_locking_inset->InsetUnlock(bv);
 720                 the_locking_inset = 0;
 721         }
 722         if (bv->theLockingInset()) {
 723                 if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 724                         UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 725                         inset_x = cx(bv) - top_x + drawTextXOffset;
 726                         inset_y = cy(bv) + drawTextYOffset;
 727                         inset_pos = cpos(bv);
 728                         inset_par = cpar(bv);
 729                         inset_boundary = cboundary(bv);
 730                         the_locking_inset = uinset;
 731                         uinset->InsetButtonPress(bv, x - inset_x, y - inset_y,
 732                                                  button);
 733                         uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 734                         if (the_locking_inset)
 735                                 UpdateLocal(bv, CURSOR, false);
 736                         no_selection = false;
 737                         return;
 738                 }
 739         }
 740         if (!inset && (button == 2)) {
 741                 bool paste_internally = false;
 742                 if ((button == 2) && TEXT(bv)->selection) {
 743                         LocalDispatch(bv, LFUN_COPY, "");
 744                         paste_internally = true;
 745                 }
 746                 TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 747                                                    y + insetAscent);
 748                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 749                 UpdateLocal(bv, CURSOR, false);
 750                 bv->owner()->setLayout(cpar(bv)->GetLayout());
 751                 old_par = cpar(bv);
 752                 // Insert primary selection with middle mouse
 753                 // if there is a local selection in the current buffer,
 754                 // insert this
 755                 if (button == 2) {
 756                         if (paste_internally)
 757                                 LocalDispatch(bv, LFUN_PASTE, "");
 758                         else
 759                                 LocalDispatch(bv, LFUN_PASTESELECTION,
 760                                               "paragraph");
 761                 }
 762         }
 763         ShowInsetCursor(bv);
 764         no_selection = false;
 765 }
 766
 767
 768 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 769 {
 770         UpdatableInset * inset = 0;
 771
 772         if (the_locking_inset) {
 773                 the_locking_inset->InsetButtonRelease(bv,
 774                                                       x - inset_x, y - inset_y,
 775                                                       button);
 776         } else {
 777                 if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 778                         inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 779                         if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 780                                 inset->InsetButtonRelease(bv,
 781                                                           x - inset_x,
 782                                                           y - inset_y, button);
 783                         } else {
 784                                 inset_x = cx(bv) - top_x + drawTextXOffset;
 785                                 inset_y = cy(bv) + drawTextYOffset;
 786                                 inset->InsetButtonRelease(bv,
 787                                                           x - inset_x,
 788                                                           y - inset_y, button);
 789                                 inset->Edit(bv,
 790                                             x - inset_x, y - inset_y, button);
 791                         }
 792                         UpdateLocal(bv, CURSOR_PAR, false);
 793                 }
 794         }
 795         no_selection = false;
 796 }
 797
 798
 799 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 800 {
 801         if (no_selection)
 802                 return;
 803         if (the_locking_inset) {
 804                 the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 805                                                      y - inset_y,state);
 806                 return;
 807         }
 808         HideInsetCursor(bv);
 809         TEXT(bv)->SetCursorFromCoordinates(bv, x - drawTextXOffset,
 810                                            y + insetAscent);
 811         TEXT(bv)->SetSelection(bv);
 812         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 813                 TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 814                 UpdateLocal(bv, SELECTION, false);
 815         ShowInsetCursor(bv);
 816 }
 817
 818
 819 void InsetText::InsetKeyPress(XKeyEvent * xke)
 820 {
 821         if (the_locking_inset) {
 822                 the_locking_inset->InsetKeyPress(xke);
 823                 return;
 824         }
 825 }
 826
 827
 828 UpdatableInset::RESULT
 829 InsetText::LocalDispatch(BufferView * bv,
 830                          kb_action action, string const & arg)
 831 {
 832         no_selection = false;
 833         UpdatableInset::RESULT
 834                 result= UpdatableInset::LocalDispatch(bv, action, arg);
 835         if (result != UNDISPATCHED) {
 836                 return DISPATCHED;
 837         }
 838
 839         result = DISPATCHED;
 840         if ((action < 0) && arg.empty())
 841                 return FINISHED;
 842
 843         if (the_locking_inset) {
 844                 result = the_locking_inset->LocalDispatch(bv, action, arg);
 845                 if (result == DISPATCHED_NOUPDATE)
 846                         return result;
 847                 else if (result == DISPATCHED) {
 848                         UpdateLocal(bv, CURSOR_PAR, false);
 849                         return result;
 850                 } else if (result == FINISHED) {
 851                         bool dispatched = false;
 852                         switch (action) {
 853                         case LFUN_UNKNOWN_ACTION:
 854                         case LFUN_BREAKPARAGRAPH:
 855                         case LFUN_BREAKLINE:
 856                                 moveRightIntern(bv, false, false);
 857                                 break;
 858                         case LFUN_RIGHT:
 859                                 if (!TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 860                                         moveRightIntern(bv, false, false);
 861                                 dispatched = true;
 862                                 break;
 863                         case LFUN_LEFT:
 864                                 if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
 865                                         moveRightIntern(bv, false, false);
 866                                 dispatched = true;
 867                                 break;
 868                         default:
 869                                 break;
 870                         }
 871                         the_locking_inset = 0;
 872                         if (dispatched)
 873                                 return DISPATCHED;
 874                 }
 875         }
 876         HideInsetCursor(bv);
 877         switch (action) {
 878         // Normal chars
 879         case LFUN_UNKNOWN_ACTION:
 880                 if (bv->buffer()->isReadonly()) {
 881 //          setErrorMessage(N_("Document is read only"));
 882                         break;
 883                 }
 884                 if (!arg.empty()) {
 885                         /* Automatically delete the currently selected
 886                          * text and replace it with what is being
 887                          * typed in now. Depends on lyxrc settings
 888                          * "auto_region_delete", which defaults to
 889                          * true (on). */
 890
 891                         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 892 #ifndef NEW_INSETS
 893                                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 894                                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 895 #else
 896                                           bv->text->cursor.par()->previous(),
 897                                           bv->text->cursor.par()->next()
 898 #endif
 899                                 );
 900                         bv->setState();
 901                         if (lyxrc.auto_region_delete) {
 902                                 if (TEXT(bv)->selection){
 903                                         TEXT(bv)->CutSelection(bv, false);
 904                                 }
 905                         }
 906                         TEXT(bv)->ClearSelection(bv);
 907                         for (string::size_type i = 0; i < arg.length(); ++i) {
 908                                 if (greek_kb_flag) {
 909                                         if (!math_insert_greek(bv, arg[i])) {
 910                                                 bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 911                                         } else if (!the_locking_inset) {
 912                                                 (void)moveRight(bv, false);
 913                                         }
 914                                 } else {
 915                                         bv->owner()->getIntl()->getTrans().TranslateAndInsert(arg[i], TEXT(bv));
 916                                 }
 917                         }
 918                 }
 919                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 920                 UpdateLocal(bv, CURSOR_PAR, true);
 921                 result=DISPATCHED_NOUPDATE;
 922                 break;
 923                 // --- Cursor Movements -----------------------------------
 924         case LFUN_RIGHTSEL:
 925                 bv->text->FinishUndo();
 926                 moveRight(bv, false, true);
 927                 TEXT(bv)->SetSelection(bv);
 928                 UpdateLocal(bv, SELECTION, false);
 929                 break;
 930         case LFUN_RIGHT:
 931                 result = moveRight(bv);
 932                 bv->text->FinishUndo();
 933                 UpdateLocal(bv, CURSOR, false);
 934                 break;
 935         case LFUN_LEFTSEL:
 936                 bv->text->FinishUndo();
 937                 moveLeft(bv, false, true);
 938                 TEXT(bv)->SetSelection(bv);
 939                 UpdateLocal(bv, SELECTION, false);
 940                 break;
 941         case LFUN_LEFT:
 942                 bv->text->FinishUndo();
 943                 result = moveLeft(bv);
 944                 UpdateLocal(bv, CURSOR, false);
 945                 break;
 946         case LFUN_DOWNSEL:
 947                 bv->text->FinishUndo();
 948                 moveDown(bv);
 949                 TEXT(bv)->SetSelection(bv);
 950                 UpdateLocal(bv, SELECTION, false);
 951                 break;
 952         case LFUN_DOWN:
 953                 bv->text->FinishUndo();
 954                 result = moveDown(bv);
 955                 UpdateLocal(bv, CURSOR, false);
 956                 break;
 957         case LFUN_UPSEL:
 958                 bv->text->FinishUndo();
 959                 moveUp(bv);
 960                 TEXT(bv)->SetSelection(bv);
 961                 UpdateLocal(bv, SELECTION, false);
 962                 break;
 963         case LFUN_UP:
 964                 bv->text->FinishUndo();
 965                 result = moveUp(bv);
 966                 UpdateLocal(bv, CURSOR, false);
 967                 break;
 968         case LFUN_HOME:
 969                 bv->text->FinishUndo();
 970                 TEXT(bv)->CursorHome(bv);
 971                 UpdateLocal(bv, CURSOR, false);
 972                 break;
 973         case LFUN_END:
 974                 TEXT(bv)->CursorEnd(bv);
 975                 UpdateLocal(bv, CURSOR, false);
 976                 break;
 977         case LFUN_BACKSPACE:
 978                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 979 #ifndef NEW_INSETS
 980                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 981                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 982 #else
 983                                   bv->text->cursor.par()->previous(),
 984                                   bv->text->cursor.par()->next()
 985 #endif
 986                                                   );
 987                 if (TEXT(bv)->selection)
 988                         TEXT(bv)->CutSelection(bv);
 989                 else
 990                         TEXT(bv)->Backspace(bv);
 991                 UpdateLocal(bv, CURSOR_PAR, true);
 992                 break;
 993         case LFUN_DELETE:
 994                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 995 #ifndef NEW_INSETS
 996                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
 997                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
 998 #else
 999                                   bv->text->cursor.par()->previous(),
1000                                   bv->text->cursor.par()->next()
1001 #endif
1002                                                   );
1003                 if (TEXT(bv)->selection)
1004                         TEXT(bv)->CutSelection(bv);
1005                 else
1006                         TEXT(bv)->Delete(bv);
1007                 UpdateLocal(bv, CURSOR_PAR, true);
1008                 break;
1009         case LFUN_CUT:
1010                 bv->text->SetUndo(bv->buffer(), Undo::DELETE,
1011 #ifndef NEW_INSETS
1012                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1013                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1014 #else
1015                                   bv->text->cursor.par()->previous(),
1016                                   bv->text->cursor.par()->next()
1017 #endif
1018                                                   );
1019                 TEXT(bv)->CutSelection(bv);
1020                 UpdateLocal(bv, CURSOR_PAR, true);
1021                 break;
1022         case LFUN_COPY:
1023                 bv->text->FinishUndo();
1024                 TEXT(bv)->CopySelection(bv);
1025                 UpdateLocal(bv, CURSOR_PAR, false);
1026                 break;
1027         case LFUN_PASTESELECTION:
1028         {
1029                 string clip(bv->workarea()->getClipboard());
1030
1031                 if (clip.empty())
1032                         break;
1033                 if (arg == "paragraph") {
1034                         TEXT(bv)->InsertStringB(bv, clip);
1035                 } else {
1036                         TEXT(bv)->InsertStringA(bv, clip);
1037                 }
1038                 UpdateLocal(bv, CURSOR_PAR, true);
1039                 break;
1040         }
1041         case LFUN_PASTE:
1042                 if (!autoBreakRows) {
1043                         CutAndPaste cap;
1044
1045                         if (cap.nrOfParagraphs() > 1) {
1046                                 WriteAlert(_("Impossible operation"),
1047                                                    _("Cannot include more than one paragraph!"),
1048                                                    _("Sorry."));
1049                                 break;
1050                         }
1051                 }
1052                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1053 #ifndef NEW_INSETS
1054                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1055                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1056 #else
1057                                   bv->text->cursor.par()->previous(),
1058                                   bv->text->cursor.par()->next()
1059 #endif
1060                                                   );
1061                 TEXT(bv)->PasteSelection(bv);
1062                 UpdateLocal(bv, CURSOR_PAR, true);
1063                 break;
1064         case LFUN_BREAKPARAGRAPH:
1065                 if (!autoBreakRows)
1066                         return DISPATCHED;
1067                 TEXT(bv)->BreakParagraph(bv, 0);
1068                 UpdateLocal(bv, FULL, true);
1069                 break;
1070         case LFUN_BREAKPARAGRAPHKEEPLAYOUT:
1071                 if (!autoBreakRows)
1072                         return DISPATCHED;
1073                 TEXT(bv)->BreakParagraph(bv, 1);
1074                 UpdateLocal(bv, FULL, true);
1075                 break;
1076         case LFUN_BREAKLINE:
1077                 if (!autoBreakRows)
1078                         return DISPATCHED;
1079                 bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1080 #ifndef NEW_INSETS
1081                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1082                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1083 #else
1084                                   bv->text->cursor.par()->previous(),
1085                                   bv->text->cursor.par()->next()
1086 #endif
1087                                                   );
1088                 TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
1089                 UpdateLocal(bv, CURSOR_PAR, true);
1090                 break;
1091         case LFUN_LAYOUT:
1092                 // do not set layouts on non breakable textinsets
1093                 if (autoBreakRows) {
1094                         LyXTextClass::size_type cur_layout = cpar(bv)->layout;
1095
1096                         // Derive layout number from given argument (string)
1097                         // and current buffer's textclass (number). */
1098                         LyXTextClassList::ClassList::size_type tclass =
1099                                 bv->buffer()->params.textclass;
1100                         std::pair <bool, LyXTextClass::size_type> layout =
1101                                 textclasslist.NumberOfLayout(tclass, arg);
1102
1103                         // If the entry is obsolete, use the new one instead.
1104                         if (layout.first) {
1105                                 string obs = textclasslist.Style(tclass,layout.second).
1106                                         obsoleted_by();
1107                                 if (!obs.empty())
1108                                         layout = textclasslist.NumberOfLayout(tclass, obs);
1109                         }
1110
1111                         // see if we found the layout number:
1112                         if (!layout.first) {
1113                                 string msg = string(N_("Layout ")) + arg + N_(" not known");
1114
1115                                 bv->owner()->getMiniBuffer()->Set(msg);
1116                                 break;
1117                         }
1118
1119                         if (cur_layout != layout.second) {
1120                                 cur_layout = layout.second;
1121                                 TEXT(bv)->SetLayout(bv, layout.second);
1122                                 bv->owner()->setLayout(cpar(bv)->GetLayout());
1123                                 UpdateLocal(bv, CURSOR_PAR, true);
1124                         }
1125                 } else {
1126                         // reset the layout box
1127                         bv->owner()->setLayout(cpar(bv)->GetLayout());
1128                 }
1129                 break;
1130         case LFUN_PARAGRAPH_SPACING:
1131                 // This one is absolutely not working. When fiddling with this
1132                 // it also seems to me that the paragraphs inside the insettext
1133                 // inherit bufferparams/paragraphparams in a strange way. (Lgb)
1134         {
1135                 LyXParagraph * par = TEXT(bv)->cursor.par();
1136                 Spacing::Space cur_spacing = par->params.spacing().getSpace();
1137                 float cur_value = 1.0;
1138                 if (cur_spacing == Spacing::Other) {
1139                         cur_value = par->params.spacing().getValue();
1140                 }
1141
1142                 std::istringstream istr(arg.c_str());
1143                 string tmp;
1144                 istr >> tmp;
1145                 Spacing::Space new_spacing = cur_spacing;
1146                 float new_value = cur_value;
1147                 if (tmp.empty()) {
1148                         lyxerr << "Missing argument to `paragraph-spacing'"
1149                                    << endl;
1150                 } else if (tmp == "single") {
1151                         new_spacing = Spacing::Single;
1152                 } else if (tmp == "onehalf") {
1153                         new_spacing = Spacing::Onehalf;
1154                 } else if (tmp == "double") {
1155                         new_spacing = Spacing::Double;
1156                 } else if (tmp == "other") {
1157                         new_spacing = Spacing::Other;
1158                         float tmpval = 0.0;
1159                         istr >> tmpval;
1160                         lyxerr << "new_value = " << tmpval << endl;
1161                         if (tmpval != 0.0)
1162                                 new_value = tmpval;
1163                 } else if (tmp == "default") {
1164                         new_spacing = Spacing::Default;
1165                 } else {
1166                         lyxerr << _("Unknown spacing argument: ")
1167                                    << arg << endl;
1168                 }
1169                 if (cur_spacing != new_spacing || cur_value != new_value) {
1170                         par->params.spacing(Spacing(new_spacing, new_value));
1171                         //TEXT(bv)->RedoParagraph(owner->view());
1172                         UpdateLocal(bv, CURSOR_PAR, true);
1173                         //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
1174                 }
1175         }
1176         break;
1177
1178         default:
1179                 if (!bv->Dispatch(action, arg))
1180                         result = UNDISPATCHED;
1181                 break;
1182         }
1183
1184         /// If the action has deleted all text in the inset, we need to change the
1185         // language to the language to the surronding text.
1186 #ifndef NEW_INSETS
1187         if (par->Last() == 0 && !par->next_)
1188 #else
1189         if (par->size() == 0 && !par->next())
1190 #endif
1191         {
1192                 LyXFont font(LyXFont::ALL_IGNORE);
1193                 font.setLanguage(bv->getParentLanguage(this));
1194                 SetFont(bv, font, false);
1195         }
1196
1197         if (result != FINISHED) {
1198                 ShowInsetCursor(bv);
1199         } else
1200                 bv->unlockInset(this);
1201         return result;
1202 }
1203
1204
1205 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
1206 {
1207         TexRow texrow;
1208         buf->latexParagraphs(os, par, 0, texrow);
1209         return texrow.rows();
1210 }
1211
1212
1213 int InsetText::Ascii(Buffer const * buf, ostream & os, int linelen) const
1214 {
1215         LyXParagraph * p = par;
1216         unsigned int lines = 0;
1217
1218         string tmp;
1219         while (p) {
1220                 tmp = buf->asciiParagraph(p, linelen);
1221                 lines += countChar(tmp, '\n');
1222                 os << tmp;
1223 #ifndef NEW_INSETS
1224                 p = p->next();
1225 #else
1226                 p = p->next();
1227 #endif
1228         }
1229         return lines;
1230 }
1231
1232
1233 int InsetText::DocBook(Buffer const * buf, ostream & os) const
1234 {
1235         LyXParagraph * p = par;
1236         unsigned int lines = 0;
1237         int desc=0;
1238
1239         string tmp;
1240         while (p) {
1241                 buf->SimpleDocBookOnePar(os,tmp,p,desc,0);
1242 #ifndef NEW_INSETS
1243                 p = p->next_;
1244 #else
1245                 p = p->next();
1246 #endif
1247         }
1248
1249         return lines;
1250 }
1251
1252
1253 void InsetText::Validate(LaTeXFeatures & features) const
1254 {
1255         LyXParagraph * p = par;
1256         while(p) {
1257                 p->validate(features);
1258 #ifndef NEW_INSETS
1259                 p = p->next_;
1260 #else
1261                 p = p->next();
1262 #endif
1263         }
1264 }
1265
1266
1267 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
1268 {
1269         if (textclasslist.Style(buf->params.textclass,
1270                                 p->GetLayout()).labeltype != LABEL_MANUAL)
1271                 return 0;
1272         else
1273                 return p->BeginningOfMainBody();
1274 }
1275
1276
1277 void InsetText::GetCursorPos(BufferView * bv,
1278                              int & x, int & y) const
1279 {
1280         x = cx(bv);
1281         y = cy(bv);
1282 }
1283
1284
1285 unsigned int InsetText::InsetInInsetY()
1286 {
1287         if (!the_locking_inset)
1288                 return 0;
1289
1290         return (inset_y + the_locking_inset->InsetInInsetY());
1291 }
1292
1293
1294 void InsetText::ToggleInsetCursor(BufferView * bv)
1295 {
1296         if (the_locking_inset) {
1297                 the_locking_inset->ToggleInsetCursor(bv);
1298                 return;
1299         }
1300
1301         LyXFont const font(TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv)));
1302
1303         int const asc = lyxfont::maxAscent(font);
1304         int const desc = lyxfont::maxDescent(font);
1305
1306         if (isCursorVisible())
1307                 bv->hideLockedInsetCursor();
1308         else
1309                 bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1310         toggleCursorVisible();
1311 }
1312
1313
1314 void InsetText::ShowInsetCursor(BufferView * bv, bool show)
1315 {
1316         if (the_locking_inset) {
1317                 the_locking_inset->ShowInsetCursor(bv);
1318                 return;
1319         }
1320         if (!isCursorVisible()) {
1321                 LyXFont const font =
1322                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1323
1324                 int const asc = lyxfont::maxAscent(font);
1325                 int const desc = lyxfont::maxDescent(font);
1326
1327                 bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1328                 if (show)
1329                         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
1330                 setCursorVisible(true);
1331         }
1332 }
1333
1334
1335 void InsetText::HideInsetCursor(BufferView * bv)
1336 {
1337         if (isCursorVisible()) {
1338                 bv->hideLockedInsetCursor();
1339                 setCursorVisible(false);
1340         }
1341         if (the_locking_inset)
1342                 the_locking_inset->HideInsetCursor(bv);
1343 }
1344
1345
1346 UpdatableInset::RESULT
1347 InsetText::moveRight(BufferView * bv, bool activate_inset, bool selecting)
1348 {
1349         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1350                 return moveLeftIntern(bv, false, activate_inset, selecting);
1351         else
1352                 return moveRightIntern(bv, false, activate_inset, selecting);
1353 }
1354
1355 UpdatableInset::RESULT
1356 InsetText::moveLeft(BufferView * bv, bool activate_inset, bool selecting)
1357 {
1358         if (TEXT(bv)->cursor.par()->isRightToLeftPar(bv->buffer()->params))
1359                 return moveRightIntern(bv, true, activate_inset, selecting);
1360         else
1361                 return moveLeftIntern(bv, true, activate_inset, selecting);
1362 }
1363
1364
1365 UpdatableInset::RESULT
1366 InsetText::moveRightIntern(BufferView * bv, bool behind,
1367                            bool activate_inset, bool selecting)
1368 {
1369 #ifndef NEW_INSETS
1370         if (!cpar(bv)->next_ && (cpos(bv) >= cpar(bv)->Last()))
1371 #else
1372         if (!cpar(bv)->next() && (cpos(bv) >= cpar(bv)->size()))
1373 #endif
1374                 return FINISHED;
1375         if (activate_inset && checkAndActivateInset(bv, behind))
1376                 return DISPATCHED;
1377         TEXT(bv)->CursorRight(bv);
1378         if (!selecting)
1379                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1380         return DISPATCHED_NOUPDATE;
1381 }
1382
1383
1384 UpdatableInset::RESULT
1385 InsetText::moveLeftIntern(BufferView * bv, bool behind,
1386                           bool activate_inset, bool selecting)
1387 {
1388 #ifndef NEW_INSETS
1389         if (!cpar(bv)->previous_ && (cpos(bv) <= 0))
1390 #else
1391         if (!cpar(bv)->previous() && (cpos(bv) <= 0))
1392 #endif
1393                 return FINISHED;
1394         TEXT(bv)->CursorLeft(bv);
1395         if (!selecting)
1396                 TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1397         if (activate_inset && checkAndActivateInset(bv, behind))
1398                 return DISPATCHED;
1399         return DISPATCHED_NOUPDATE;
1400 }
1401
1402
1403 UpdatableInset::RESULT
1404 InsetText::moveUp(BufferView * bv)
1405 {
1406         if (!crow(bv)->previous())
1407                 return FINISHED;
1408         TEXT(bv)->CursorUp(bv);
1409         return DISPATCHED_NOUPDATE;
1410 }
1411
1412
1413 UpdatableInset::RESULT
1414 InsetText::moveDown(BufferView * bv)
1415 {
1416         if (!crow(bv)->next())
1417                 return FINISHED;
1418         TEXT(bv)->CursorDown(bv);
1419         return DISPATCHED_NOUPDATE;
1420 }
1421
1422
1423 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1424 {
1425         if (the_locking_inset) {
1426                 if (the_locking_inset->InsertInsetAllowed(inset))
1427                         return the_locking_inset->InsertInset(bv, inset);
1428                 return false;
1429         }
1430         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1431 #ifndef NEW_INSETS
1432                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1433                           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1434 #else
1435                           bv->text->cursor.par()->previous(),
1436                           bv->text->cursor.par()->next()
1437 #endif
1438                 );
1439         inset->setOwner(this);
1440         HideInsetCursor(bv);
1441         TEXT(bv)->InsertInset(bv, inset);
1442 #if 0
1443         if ((cpar(bv)->GetChar(cpos(bv)) != LyXParagraph::META_INSET) ||
1444                 (cpar(bv)->GetInset(cpos(bv)) != inset))
1445                 TEXT(bv)->CursorLeft(bv);
1446 #endif
1447         bv->fitCursor(TEXT(bv));
1448         UpdateLocal(bv, CURSOR_PAR|CURSOR, true);
1449         ShowInsetCursor(bv);
1450         return true;
1451 }
1452
1453
1454 UpdatableInset * InsetText::GetLockingInset()
1455 {
1456         return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1457 }
1458
1459
1460 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1461 {
1462         if (c == LyxCode())
1463                 return this;
1464         if (the_locking_inset)
1465                 return the_locking_inset->GetFirstLockingInsetOfType(c);
1466         return 0;
1467 }
1468
1469
1470 bool InsetText::ShowInsetDialog(BufferView * bv) const
1471 {
1472         if (the_locking_inset)
1473                 return the_locking_inset->ShowInsetDialog(bv);
1474         return false;
1475 }
1476
1477
1478 std::vector<string> const InsetText::getLabelList() const
1479 {
1480         std::vector<string> label_list;
1481
1482         LyXParagraph * tpar = par;
1483         while (tpar) {
1484                 LyXParagraph::inset_iterator beg = tpar->inset_iterator_begin();
1485                 LyXParagraph::inset_iterator end = tpar->inset_iterator_end();
1486                 for (; beg != end; ++beg) {
1487                         std::vector<string> const l = (*beg)->getLabelList();
1488                         label_list.insert(label_list.end(), l.begin(), l.end());
1489                 }
1490                 tpar = tpar->next();
1491         }
1492         return label_list;
1493 }
1494
1495
1496 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1497 {
1498         if (TEXT(bv)->selection) {
1499                 bv->text->SetUndo(bv->buffer(), Undo::EDIT,
1500 #ifndef NEW_INSETS
1501                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous_,
1502                                   bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next_
1503 #else
1504                                   bv->text->cursor.par()->previous(),
1505                                   bv->text->cursor.par()->next()
1506 #endif
1507                         );
1508         }
1509         TEXT(bv)->SetFont(bv, font, toggleall);
1510         bv->fitCursor(TEXT(bv));
1511         UpdateLocal(bv, CURSOR_PAR, true);
1512 }
1513
1514
1515 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1516 {
1517         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1518                 unsigned int x;
1519                 unsigned int y;
1520                 Inset * inset =
1521                         static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1522                 if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1523                         return false;
1524                 LyXFont const font =
1525                         TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1526                 if (behind) {
1527                         x = inset->width(bv, font);
1528                         y = font.isRightToLeft() ? 0 : inset->descent(bv, font);
1529                 } else {
1530                         x = 0;
1531                         y = font.isRightToLeft() ? inset->descent(bv, font) : 0;
1532                 }
1533                 //inset_x = cx(bv) - top_x + drawTextXOffset;
1534                 //inset_y = cy(bv) + drawTextYOffset;
1535                 inset->Edit(bv, x, y, 0);
1536                 if (!the_locking_inset)
1537                         return false;
1538                 UpdateLocal(bv, CURSOR, false);
1539                 return true;
1540         }
1541         return false;
1542 }
1543
1544
1545 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1546                                       int button)
1547 {
1548         int dummyx, dummyy;
1549
1550         dummyx = x = x - drawTextXOffset;
1551         dummyy = y + insetAscent;
1552         Inset * inset = bv->checkInsetHit(TEXT(bv), dummyx, dummyy, button);
1553
1554         if (inset) {
1555                 if (x < 0)
1556                         x = insetWidth;
1557                 if (y < 0)
1558                         y = insetDescent;
1559                 inset_x = cx(bv) - top_x + drawTextXOffset;
1560                 inset_y = cy(bv) + drawTextYOffset;
1561                 inset->Edit(bv, x - inset_x, y - inset_y, button);
1562                 if (!the_locking_inset)
1563                         return false;
1564                 UpdateLocal(bv, CURSOR, false);
1565                 return true;
1566         }
1567         return false;
1568 }
1569
1570
1571 int InsetText::getMaxWidth(BufferView * bv, UpdatableInset const * inset) const
1572 {
1573         int w = UpdatableInset::getMaxWidth(bv, inset);
1574         if (w < 0) {
1575                 return w;
1576         }
1577         if (owner()) {
1578                 w = w - top_x + owner()->x();
1579                 return w;
1580         }
1581         w -= (2 * TEXT_TO_INSET_OFFSET);
1582         return w - top_x;
1583 //    return  w - (2*TEXT_TO_INSET_OFFSET);
1584 }
1585
1586
1587 void InsetText::SetParagraphData(LyXParagraph * p)
1588 {
1589         // delete all instances of LyXText before deleting the paragraps used
1590         // by it.
1591         for (Cache::iterator cit = cache.begin(); cit != cache.end(); ++cit){
1592                 delete (*cit).second;
1593                 (*cit).second = 0;
1594         }
1595
1596 #ifndef NEW_INSETS
1597         LyXParagraph * np;
1598         if (par) {
1599                 np = par->next_;
1600                 delete par;
1601                 while (np) {
1602                         par = np;
1603                         np = np->next_;
1604                         delete par;
1605                 }
1606         }
1607         par = p->Clone();
1608         par->SetInsetOwner(this);
1609         np = par;
1610         while (p->next_) {
1611                 p = p->next_;
1612                 np->next(p->Clone());
1613                 np->next_->previous(np);
1614                 np = np->next_;
1615                 np->SetInsetOwner(this);
1616         }
1617 #else
1618         while (par) {
1619                 LyXParagraph * tmp = par->next();
1620                 delete par;
1621                 par = tmp;
1622         }
1623
1624         par = p->Clone();
1625         par->SetInsetOwner(this);
1626         LyXParagraph * np = par;
1627         while (p->next()) {
1628                 p = p->next();
1629                 np->next(p->Clone());
1630                 np->next()->previous(np);
1631                 np = np->next();
1632                 np->SetInsetOwner(this);
1633         }
1634 #endif
1635         need_update = INIT;
1636 }
1637
1638
1639 void InsetText::SetText(string const & data)
1640 {
1641         clear();
1642         LyXFont font(LyXFont::ALL_SANE);
1643         for (unsigned int i=0; i < data.length(); ++i)
1644                 par->InsertChar(i, data[i], font);
1645 }
1646
1647
1648 void InsetText::SetAutoBreakRows(bool flag)
1649 {
1650         if (flag != autoBreakRows) {
1651                 autoBreakRows = flag;
1652                 need_update = FULL;
1653                 if (!flag)
1654                         removeNewlines();
1655         }
1656 }
1657
1658
1659 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1660 {
1661         if (how != drawFrame_) {
1662                 drawFrame_ = how;
1663                 if (bv)
1664                         UpdateLocal(bv, DRAW_FRAME, false);
1665         }
1666 }
1667
1668
1669 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1670 {
1671         if (frame_color != col) {
1672                 frame_color = col;
1673                 if (bv)
1674                         UpdateLocal(bv, DRAW_FRAME, false);
1675         }
1676 }
1677
1678
1679 int InsetText::cx(BufferView * bv) const
1680 {
1681         LyXText * text = TEXT(bv);
1682         int x = text->cursor.x() + top_x + TEXT_TO_INSET_OFFSET;
1683         if (the_locking_inset) {
1684                 LyXFont font = text->GetFont(bv->buffer(),
1685                                              text->cursor.par(),
1686                                              text->cursor.pos());
1687                 if (font.isVisibleRightToLeft())
1688                         x -= the_locking_inset->width(bv, font);
1689         }
1690         return x;
1691 }
1692
1693
1694 int InsetText::cy(BufferView * bv) const
1695 {
1696         LyXFont font;
1697         return TEXT(bv)->cursor.y() - ascent(bv, font) + TEXT_TO_INSET_OFFSET;
1698 }
1699
1700
1701 LyXParagraph::size_type InsetText::cpos(BufferView * bv) const
1702 {
1703         return TEXT(bv)->cursor.pos();
1704 }
1705
1706
1707 LyXParagraph * InsetText::cpar(BufferView * bv) const
1708 {
1709         return TEXT(bv)->cursor.par();
1710 }
1711
1712 bool InsetText::cboundary(BufferView * bv) const
1713 {
1714         return TEXT(bv)->cursor.boundary();
1715 }
1716
1717
1718 Row * InsetText::crow(BufferView * bv) const
1719 {
1720         return TEXT(bv)->cursor.row();
1721 }
1722
1723
1724 LyXText * InsetText::getLyXText(BufferView const * lbv,
1725                                 bool const recursive) const
1726 {
1727         // Super UGLY! (Lgb)
1728         BufferView * bv = const_cast<BufferView *>(lbv);
1729
1730         if ((cache.find(bv) != cache.end()) && cache[bv]) {
1731                 if (recursive && the_locking_inset)
1732                         return the_locking_inset->getLyXText(bv);
1733                 return cache[bv];
1734         }
1735         LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1736         lt->init(bv);
1737         cache[bv] = lt;
1738         if (the_locking_inset) {
1739                 lt->SetCursor(bv, inset_par, inset_pos, true, inset_boundary);
1740                 if (recursive)
1741                         return the_locking_inset->getLyXText(bv);
1742         }
1743         return lt;
1744 }
1745
1746
1747 void InsetText::deleteLyXText(BufferView * bv, bool recursive) const
1748 {
1749         if ((cache.find(bv) == cache.end()) || !cache[bv])
1750                 return;
1751         delete cache[bv];
1752         cache.erase(bv);
1753         if (recursive) {
1754                 /// then remove all LyXText in text-insets
1755                 LyXParagraph * p = par;
1756 #ifndef NEW_INSETS
1757                 for (; p; p = p->next_) {
1758                         p->deleteInsetsLyXText(bv);
1759                 }
1760 #else
1761                 for (; p; p = p->next()) {
1762                         p->deleteInsetsLyXText(bv);
1763                 }
1764 #endif
1765         }
1766 }
1767
1768
1769 void InsetText::resizeLyXText(BufferView * bv) const
1770 {
1771 #ifndef NEW_INSETS
1772         if (!par->next_ && !par->size()) // resize not neccessary!
1773 #else
1774         if (!par->next() && !par->size()) // resize not neccessary!
1775 #endif
1776                 return;
1777         if ((cache.find(bv) == cache.end()) || !cache[bv])
1778                 return;
1779
1780         LyXParagraph * lpar = 0;
1781         LyXParagraph * selstartpar = 0;
1782         LyXParagraph * selendpar = 0;
1783         LyXParagraph::size_type pos = 0;
1784         LyXParagraph::size_type selstartpos = 0;
1785         LyXParagraph::size_type selendpos = 0;
1786         bool boundary = false;
1787         bool selstartboundary = false;
1788         bool selendboundary = false;
1789         int selection = 0;
1790         int mark_set = 0;
1791
1792 //    ProhibitInput(bv);
1793
1794         if (locked) {
1795                 lpar = TEXT(bv)->cursor.par();
1796                 pos = TEXT(bv)->cursor.pos();
1797                 boundary = TEXT(bv)->cursor.boundary();
1798                 selstartpar = TEXT(bv)->sel_start_cursor.par();
1799                 selstartpos = TEXT(bv)->sel_start_cursor.pos();
1800                 selstartboundary = TEXT(bv)->sel_start_cursor.boundary();
1801                 selendpar = TEXT(bv)->sel_end_cursor.par();
1802                 selendpos = TEXT(bv)->sel_end_cursor.pos();
1803                 selendboundary = TEXT(bv)->sel_end_cursor.boundary();
1804                 selection = TEXT(bv)->selection;
1805                 mark_set = TEXT(bv)->mark_set;
1806         }
1807         deleteLyXText(bv, (the_locking_inset == 0));
1808
1809         if (lpar) {
1810                 TEXT(bv)->selection = true;
1811                 /* at this point just to avoid the Delete-Empty-Paragraph
1812                  * Mechanism when setting the cursor */
1813                 TEXT(bv)->mark_set = mark_set;
1814                 if (selection) {
1815                         TEXT(bv)->SetCursor(bv, selstartpar, selstartpos,
1816                                             true, selstartboundary);
1817                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1818                         TEXT(bv)->SetCursor(bv, selendpar, selendpos,
1819                                             true, selendboundary);
1820                         TEXT(bv)->SetSelection(bv);
1821                         TEXT(bv)->SetCursor(bv, lpar, pos);
1822                 } else {
1823                         TEXT(bv)->SetCursor(bv, lpar, pos, true, boundary);
1824                         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
1825                         TEXT(bv)->selection = false;
1826                 }
1827         }
1828         if (bv->screen())
1829                 TEXT(bv)->first = bv->screen()->TopCursorVisible(TEXT(bv));
1830         // this will scroll the screen such that the cursor becomes visible
1831         bv->updateScrollbar();
1832 //    AllowInput(bv);
1833         if (the_locking_inset) {
1834                 /// then resize all LyXText in text-insets
1835                 inset_x = cx(bv) - top_x + drawTextXOffset;
1836                 inset_y = cy(bv) + drawTextYOffset;
1837 #ifndef NEW_INSETS
1838                 for (LyXParagraph * p = par; p; p = p->next_) {
1839                         p->resizeInsetsLyXText(bv);
1840                 }
1841 #else
1842                 for (LyXParagraph * p = par; p; p = p->next()) {
1843                         p->resizeInsetsLyXText(bv);
1844                 }
1845 #endif
1846         }
1847         need_update = FULL;
1848 }
1849
1850
1851 void InsetText::removeNewlines()
1852 {
1853 #ifndef NEW_INSETS
1854         for (LyXParagraph * p = par; p; p = p->next_) {
1855                 for (int i = 0; i < p->Last(); ++i) {
1856 #else
1857         for (LyXParagraph * p = par; p; p = p->next()) {
1858                 for (int i = 0; i < p->size(); ++i) {
1859 #endif
1860                         if (p->GetChar(i) == LyXParagraph::META_NEWLINE)
1861                                 p->Erase(i);
1862                 }
1863         }
1864 }
1865
1866 bool InsetText::nodraw() const
1867 {
1868         if (the_locking_inset)
1869                 return the_locking_inset->nodraw();
1870         return UpdatableInset::nodraw();
1871 }
1872
1873 int InsetText::scroll(bool recursive) const
1874 {
1875         int sx = UpdatableInset::scroll(false);
1876
1877         if (recursive && the_locking_inset)
1878                 sx += the_locking_inset->scroll(recursive);
1879
1880         return sx;
1881 }
1882
1883 bool InsetText::doClearArea() const
1884 {
1885         return !locked || (need_update & (FULL|INIT));
1886 }
1887 /* Emacs:
1888  * Local variables:
1889  * tab-width: 4
1890  * End:
1891  * vi:set tabstop=4:
1892  */