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 "toolbar.h"
  42 #include "LColor.h"
  43 #include "support/textutils.h"
  44 #include "support/LAssert.h"
  45 #include "lyxrow.h"
  46 #include "lyxrc.h"
  47 #include "intl.h"
  48 #include "trans_mgr.h"
  49 #include "lyxscreen.h"
  50
  51 using std::ostream;
  52 using std::ifstream;
  53 using std::endl;
  54 using std::min;
  55 using std::max;
  56
  57 extern unsigned char getCurrentTextClass(Buffer *);
  58
  59 InsetText::InsetText()
  60 {
  61     par = new LyXParagraph();
  62     init();
  63 }
  64
  65
  66 InsetText::InsetText(InsetText const & ins)
  67         : UpdatableInset()
  68 {
  69     par = 0;
  70     init(&ins);
  71     autoBreakRows = ins.autoBreakRows;
  72 }
  73
  74
  75 InsetText & InsetText::operator=(InsetText const & it)
  76 {
  77     init(&it);
  78     autoBreakRows = it.autoBreakRows;
  79     return * this;
  80 }
  81
  82 void InsetText::init(InsetText const * ins)
  83 {
  84     top_y = last_width = last_height = 0;
  85     insetAscent = insetDescent = insetWidth = 0;
  86     the_locking_inset = 0;
  87     cursor_visible = false;
  88     interline_space = 1;
  89     no_selection = false;
  90     need_update = INIT;
  91     drawTextXOffset = drawTextYOffset = 0;
  92     autoBreakRows = false;
  93     drawFrame = NEVER;
  94     xpos = 0.0;
  95     if (ins) {
  96         SetParagraphData(ins->par);
  97         autoBreakRows = ins->autoBreakRows;
  98         drawFrame = ins->drawFrame;
  99     }
 100     par->SetInsetOwner(this);
 101     frame_color = LColor::insetframe;
 102     locked = false;
 103     old_par = 0;
 104 }
 105
 106
 107 InsetText::~InsetText()
 108 {
 109     LyXParagraph * p = par->next;
 110     delete par;
 111     while(p) {
 112         par = p;
 113         p = p->next;
 114         delete par;
 115     }
 116 }
 117
 118
 119 Inset * InsetText::Clone() const
 120 {
 121     InsetText * t = new InsetText(*this);
 122     return t;
 123 }
 124
 125
 126 void InsetText::Write(Buffer const * buf, ostream & os) const
 127 {
 128     os << "Text\n";
 129     WriteParagraphData(buf, os);
 130 }
 131
 132
 133 void InsetText::WriteParagraphData(Buffer const * buf, ostream & os) const
 134 {
 135     par->writeFile(buf, os, buf->params, 0, 0);
 136 }
 137
 138
 139 void InsetText::Read(Buffer const * buf, LyXLex & lex)
 140 {
 141     string token;
 142     int pos = 0;
 143     LyXParagraph * return_par = 0;
 144     char depth = 0; // signed or unsigned?
 145     LyXParagraph::footnote_flag footnoteflag = LyXParagraph::NO_FOOTNOTE;
 146     LyXParagraph::footnote_kind footnotekind = LyXParagraph::FOOTNOTE;
 147     LyXFont font(LyXFont::ALL_INHERIT);
 148
 149     LyXParagraph * p = par->next;
 150     delete par;
 151     while(p) {
 152         par = p;
 153         p = p->next;
 154         delete par;
 155     }
 156     par = new LyXParagraph;
 157     while (lex.IsOK()) {
 158         lex.nextToken();
 159         token = lex.GetString();
 160         if (token.empty())
 161             continue;
 162         if (token == "\\end_inset")
 163             break;
 164         if (const_cast<Buffer*>(buf)->parseSingleLyXformat2Token(lex, par, return_par,
 165                                             token, pos, depth,
 166                                             font, footnoteflag,
 167                                             footnotekind)) {
 168             // the_end read this should NEVER happen
 169             lex.printError("\\the_end read in inset! Error in document!");
 170             return;
 171         }
 172     }
 173     if (!return_par)
 174             return_par = par;
 175     par = return_par;
 176     while(return_par) {
 177         return_par->SetInsetOwner(this);
 178         return_par = return_par->next;
 179     }
 180
 181     if (token != "\\end_inset") {
 182         lex.printError("Missing \\end_inset at this point. "
 183                        "Read: `$$Token'");
 184     }
 185     need_update = INIT;
 186 }
 187
 188
 189 int InsetText::ascent(BufferView * bv, LyXFont const &) const
 190 {
 191     long int y_temp = 0;
 192     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 193     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 194     return insetAscent;
 195 }
 196
 197
 198 int InsetText::descent(BufferView * bv, LyXFont const &) const
 199 {
 200     long int y_temp = 0;
 201     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 202     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 203         TEXT_TO_INSET_OFFSET;
 204     return insetDescent;
 205 }
 206
 207
 208 int InsetText::width(BufferView * bv, LyXFont const &) const
 209 {
 210     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 211     return insetWidth;
 212 }
 213
 214
 215 int InsetText::textWidth(Painter & pain) const
 216 {
 217     int w = getMaxWidth(pain, this);
 218     if (w < 0) {
 219 //      printf("WW1: %d\n",w);
 220         return w;
 221     }
 222 #if 1
 223     if (owner()) {
 224         w = w - top_x + owner()->x();
 225 //      printf("WW2: %d\n",w);
 226         return w; // - top_x + owner()->x();
 227     }
 228 #endif
 229     w -= (2 * TEXT_TO_INSET_OFFSET);
 230 //    printf("WW2: %d\n",w);
 231     return w - top_x; // - top_x - (2 * TEXT_TO_INSET_OFFSET);
 232 }
 233
 234
 235 void InsetText::draw(BufferView * bv, LyXFont const & f,
 236                      int baseline, float & x, bool cleared) const
 237 {
 238     Painter & pain = bv->painter();
 239
 240     xpos = x;
 241     UpdatableInset::draw(bv, f, baseline, x, cleared);
 242
 243     if (!cleared && ((need_update==FULL) || (top_x!=int(x)) ||
 244                      (top_baseline!=baseline))) {
 245         int w =  insetWidth;
 246         int h = insetAscent + insetDescent;
 247         int ty = baseline - insetAscent;
 248
 249         if (ty < 0)
 250             ty = 0;
 251         if ((ty + h) > pain.paperHeight())
 252             h = pain.paperHeight();
 253         if ((top_x + drawTextXOffset + w) > pain.paperWidth())
 254             w = pain.paperWidth();
 255         pain.fillRectangle(top_x+drawTextXOffset, ty, w, h);
 256         cleared = true;
 257         need_update = FULL;
 258     }
 259     if (!cleared && (need_update == NONE))
 260         return;
 261
 262     if (top_x != int(x)) {
 263         need_update = INIT;
 264         top_x = int(x);
 265         owner()->update(bv, f, true);
 266         bv->text->status = LyXText::CHANGED_IN_DRAW;
 267 //      return;
 268     }
 269
 270     top_baseline = baseline;
 271     top_y = baseline - ascent(bv, f);
 272     last_width = width(bv, f);
 273     last_height = ascent(bv, f) + descent(bv, f);
 274
 275     if (the_locking_inset && (cpar(bv) == inset_par) && (cpos(bv) == inset_pos)) {
 276         inset_x = cx(bv) - top_x + drawTextXOffset;
 277         inset_y = cy(bv) + drawTextYOffset;
 278     }
 279     if (!cleared && (need_update == CURSOR) && !TEXT(bv)->selection) {
 280         x += width(bv, f);
 281         need_update = NONE;
 282         return;
 283     }
 284     x += 1; // place for border
 285     long int y = 0;
 286     Row * row = TEXT(bv)->GetRowNearY(y);
 287     y += baseline - row->ascent_of_text() + 1;
 288     if (cleared || !locked || (need_update == FULL)) {
 289         while (row != 0) {
 290             TEXT(bv)->GetVisibleRow(bv, y, x, row, y, cleared);
 291             y += row->height();
 292             row = row->next();
 293         }
 294     } else if (need_update == SELECTION) {
 295         bv->screen()->ToggleToggle(TEXT(bv), y, x);
 296     } else {
 297         locked = false;
 298         if (need_update == CURSOR) {
 299             bv->screen()->ToggleSelection(TEXT(bv), y, x, true);
 300             TEXT(bv)->ClearSelection();
 301             TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 302         }
 303         bv->screen()->Update(TEXT(bv), y, x);
 304         locked = true;
 305     }
 306     TEXT(bv)->refresh_y = 0;
 307     TEXT(bv)->status = LyXText::UNCHANGED;
 308     if ((drawFrame == ALWAYS) || ((drawFrame == LOCKED) && locked)) {
 309             pain.rectangle(top_x, baseline - insetAscent, insetWidth,
 310                            insetAscent + insetDescent, frame_color);
 311     } else if (need_update == CLEAR_FRAME) {
 312             pain.rectangle(top_x, baseline - insetAscent, insetWidth,
 313                            insetAscent + insetDescent,
 314                            LColor::background);
 315     }
 316     x += insetWidth - TEXT_TO_INSET_OFFSET;
 317     if (need_update != INIT)
 318         need_update = NONE;
 319 }
 320
 321
 322 void InsetText::update(BufferView * bv, LyXFont const & font, bool reinit)
 323 {
 324     if (reinit) {  // && (need_update != CURSOR)) {
 325         need_update = INIT;
 326         deleteLyXText(bv);
 327         if (owner())
 328             owner()->update(bv, font, true);
 329         return;
 330     }
 331     if (the_locking_inset)
 332         the_locking_inset->update(bv, font, reinit);
 333     if (need_update == INIT) {
 334         deleteLyXText(bv);
 335         need_update = FULL;
 336 //      if (!owner() && bv->text)
 337 //          bv->text->UpdateInset(bv, this);
 338     }
 339     int oldw = insetWidth;
 340 #if 1
 341     insetWidth = TEXT(bv)->width + (2 * TEXT_TO_INSET_OFFSET);
 342     // max(textWidth(bv->painter()),
 343     // static_cast<int>(TEXT(bv)->width) + drawTextXOffset) +
 344     // (2 * TEXT_TO_INSET_OFFSET);
 345 #else
 346     insetWidth = textWidth(bv->painter());
 347     if (insetWidth < 0)
 348             insetWidth = static_cast<int>(TEXT(bv)->width);
 349 #endif
 350     if (oldw != insetWidth) {
 351 //          printf("TW(%p): %d-%d-%d-%d\n",this,insetWidth, oldw,
 352 //                 textWidth(bv->painter()),static_cast<int>(TEXT(bv)->width));
 353         deleteLyXText(bv);
 354         need_update = FULL;
 355 #if 0
 356         if (owner()) {
 357             owner()->update(bv, font, reinit);
 358             return;
 359         } else {
 360             update(bv, font, reinit);
 361         }
 362 #else
 363 #if 1
 364         update(bv, font, reinit);
 365 #else
 366         UpdateLocal(bv, INIT, false);
 367 #endif
 368 #endif
 369         return;
 370     }
 371     if ((need_update==CURSOR_PAR) && (TEXT(bv)->status==LyXText::UNCHANGED) &&
 372         the_locking_inset)
 373     {
 374         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 375     }
 376
 377     if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 378         need_update = FULL;
 379
 380     long int y_temp = 0;
 381     Row * row = TEXT(bv)->GetRowNearY(y_temp);
 382     insetAscent = row->ascent_of_text() + TEXT_TO_INSET_OFFSET;
 383     insetDescent = TEXT(bv)->height - row->ascent_of_text() +
 384         TEXT_TO_INSET_OFFSET;
 385 }
 386
 387
 388 void InsetText::UpdateLocal(BufferView * bv, UpdateCodes what, bool mark_dirty)
 389 {
 390     TEXT(bv)->FullRebreak(bv);
 391     if (need_update != INIT) {
 392         if (TEXT(bv)->status == LyXText::NEED_MORE_REFRESH)
 393             need_update = FULL;
 394         else if (!the_locking_inset || (what != CURSOR))
 395             need_update = what;
 396     }
 397     if ((need_update != CURSOR) || (TEXT(bv)->status != LyXText::UNCHANGED) ||
 398         TEXT(bv)->selection)
 399             bv->updateInset(this, mark_dirty);
 400     if (old_par != cpar(bv)) {
 401             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 402             old_par = cpar(bv);
 403     }
 404 }
 405
 406
 407 char const * InsetText::EditMessage() const
 408 {
 409     return _("Opened Text Inset");
 410 }
 411
 412
 413 void InsetText::Edit(BufferView * bv, int x, int y, unsigned int button)
 414 {
 415 //    par->SetInsetOwner(this);
 416     UpdatableInset::Edit(bv, x, y, button);
 417
 418     if (!bv->lockInset(this)) {
 419         lyxerr[Debug::INSETS] << "Cannot lock inset" << endl;
 420         return;
 421     }
 422     locked = true;
 423     the_locking_inset = 0;
 424     inset_pos = inset_x = inset_y = 0;
 425     inset_par = 0;
 426     old_par = 0;
 427     if (!checkAndActivateInset(bv, x, y, button))
 428         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 429                                            y+TEXT(bv)->first+insetAscent);
 430     TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 431     bv->text->FinishUndo();
 432     UpdateLocal(bv, FULL, false);
 433 }
 434
 435
 436 void InsetText::InsetUnlock(BufferView * bv)
 437 {
 438     if (the_locking_inset) {
 439         the_locking_inset->InsetUnlock(bv);
 440         the_locking_inset = 0;
 441     }
 442     HideInsetCursor(bv);
 443     no_selection = false;
 444     locked = false;
 445     TEXT(bv)->selection = 0;
 446     UpdateLocal(bv, CLEAR_FRAME, false);
 447     if (owner())
 448             bv->owner()->getToolbar()->combox->
 449                     select(owner()->getLyXText(bv)->cursor.par()->GetLayout()+1);
 450     else
 451             bv->owner()->getToolbar()->combox->select(bv->text->cursor.par()->
 452                                                       GetLayout()+1);
 453 }
 454
 455
 456 bool InsetText::LockInsetInInset(BufferView * bv, UpdatableInset * inset)
 457 {
 458     lyxerr[Debug::INSETS] << "InsetText::LockInsetInInset(" << inset << "): ";
 459     if (!inset)
 460         return false;
 461     if (inset == cpar(bv)->GetInset(cpos(bv))) {
 462         lyxerr[Debug::INSETS] << "OK" << endl;
 463         the_locking_inset = inset;
 464         inset_x = cx(bv) - top_x + drawTextXOffset;
 465         inset_y = cy(bv) + drawTextYOffset;
 466         inset_pos = cpos(bv);
 467         inset_par = cpar(bv);
 468         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 469         return true;
 470     } else if (the_locking_inset && (the_locking_inset == inset)) {
 471         if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 472             lyxerr[Debug::INSETS] << "OK" << endl;
 473             inset_x = cx(bv) - top_x + drawTextXOffset;
 474             inset_y = cy(bv) + drawTextYOffset;
 475         } else {
 476             lyxerr[Debug::INSETS] << "cursor.pos != inset_pos" << endl;
 477         }
 478     } else if (the_locking_inset) {
 479         lyxerr[Debug::INSETS] << "MAYBE" << endl;
 480         return the_locking_inset->LockInsetInInset(bv, inset);
 481     }
 482     lyxerr[Debug::INSETS] << "NOT OK" << endl;
 483     return false;
 484 }
 485
 486
 487 bool InsetText::UnlockInsetInInset(BufferView * bv, UpdatableInset * inset,
 488                                    bool lr)
 489 {
 490     if (!the_locking_inset)
 491         return false;
 492     if (the_locking_inset == inset) {
 493         the_locking_inset->InsetUnlock(bv);
 494         TEXT(bv)->UpdateInset(bv, inset);
 495         the_locking_inset = 0;
 496         if (lr)
 497             moveRight(bv, false);
 498         old_par = 0; // force layout setting
 499         UpdateLocal(bv, CURSOR_PAR, false);
 500         return true;
 501     }
 502     return the_locking_inset->UnlockInsetInInset(bv, inset, lr);
 503 }
 504
 505
 506 bool InsetText::UpdateInsetInInset(BufferView * bv, Inset * inset)
 507 {
 508     if (!the_locking_inset)
 509         return false;
 510     if (the_locking_inset != inset) {
 511         TEXT(bv)->UpdateInset(bv, the_locking_inset);
 512         need_update = CURSOR_PAR;
 513         return the_locking_inset->UpdateInsetInInset(bv, inset);
 514     }
 515 //    UpdateLocal(bv, FULL, false);
 516     if (TEXT(bv)->UpdateInset(bv, inset))
 517         UpdateLocal(bv, CURSOR_PAR, false);
 518     if (cpar(bv) == inset_par && cpos(bv) == inset_pos) {
 519         inset_x = cx(bv) - top_x + drawTextXOffset;
 520         inset_y = cy(bv) + drawTextYOffset;
 521     }
 522     return true;
 523 }
 524
 525
 526 void InsetText::InsetButtonPress(BufferView * bv, int x, int y, int button)
 527 {
 528     no_selection = false;
 529
 530     int tmp_x = x - drawTextXOffset;
 531 //    int tmp_y = y + TEXT(bv)->first + insetAscent;
 532     int tmp_y = y + insetAscent;
 533     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
 534
 535     if (the_locking_inset) {
 536         if (the_locking_inset == inset) {
 537             the_locking_inset->InsetButtonPress(bv,x-inset_x,y-inset_y,button);
 538             return;
 539         } else if (inset) {
 540             // otherwise unlock the_locking_inset and lock the new inset
 541             the_locking_inset->InsetUnlock(bv);
 542             inset_x = cx(bv) - top_x + drawTextXOffset;
 543             inset_y = cy(bv) + drawTextYOffset;
 544             inset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 545             inset->Edit(bv, x - inset_x, y - inset_y, button);
 546             if (the_locking_inset) {
 547                 UpdateLocal(bv, CURSOR_PAR, false);
 548             }
 549             return;
 550         }
 551         // otherwise only unlock the_locking_inset
 552         the_locking_inset->InsetUnlock(bv);
 553         the_locking_inset = 0;
 554     }
 555     if (bv->the_locking_inset) {
 556         if (inset && inset->Editable() == Inset::HIGHLY_EDITABLE) {
 557             UpdatableInset * uinset = static_cast<UpdatableInset*>(inset);
 558             inset_x = cx(bv) - top_x + drawTextXOffset;
 559             inset_y = cy(bv) + drawTextYOffset;
 560             inset_pos = cpos(bv);
 561             inset_par = cpar(bv);
 562             uinset->InsetButtonPress(bv, x - inset_x, y - inset_y, button);
 563             uinset->Edit(bv, x - inset_x, y - inset_y, 0);
 564             if (the_locking_inset) {
 565                 UpdateLocal(bv, CURSOR_PAR, false);
 566             }
 567             return;
 568         }
 569     }
 570     if (!inset) {
 571         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 572                                            y+TEXT(bv)->first+insetAscent);
 573         TEXT(bv)->sel_cursor = TEXT(bv)->cursor;
 574         UpdateLocal(bv, CURSOR, false);
 575         bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 576         old_par = cpar(bv);
 577     }
 578 }
 579
 580
 581 void InsetText::InsetButtonRelease(BufferView * bv, int x, int y, int button)
 582 {
 583     UpdatableInset * inset = 0;
 584
 585     if (the_locking_inset) {
 586             the_locking_inset->InsetButtonRelease(bv, x-inset_x, y-inset_y,button);
 587     } else {
 588         if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
 589             inset = static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
 590             if (inset->Editable() == Inset::HIGHLY_EDITABLE) {
 591                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 592             } else {
 593                 inset_x = cx(bv) - top_x + drawTextXOffset;
 594                 inset_y = cy(bv) + drawTextYOffset;
 595                 inset->InsetButtonRelease(bv, x - inset_x, y - inset_y,button);
 596                 inset->Edit(bv, x - inset_x, y - inset_y, button);
 597             }
 598             UpdateLocal(bv, CURSOR_PAR, false);
 599         }
 600     }
 601     no_selection = false;
 602 }
 603
 604
 605 void InsetText::InsetMotionNotify(BufferView * bv, int x, int y, int state)
 606 {
 607     if (the_locking_inset) {
 608         the_locking_inset->InsetMotionNotify(bv, x - inset_x,
 609                                              y - inset_y,state);
 610         return;
 611     }
 612     if (!no_selection) {
 613         HideInsetCursor(bv);
 614         TEXT(bv)->SetCursorFromCoordinates(bv, x-drawTextXOffset,
 615                                            y+TEXT(bv)->first+insetAscent);
 616         TEXT(bv)->SetSelection();
 617         if (TEXT(bv)->toggle_cursor.par()!=TEXT(bv)->toggle_end_cursor.par() ||
 618             TEXT(bv)->toggle_cursor.pos()!=TEXT(bv)->toggle_end_cursor.pos())
 619             UpdateLocal(bv, SELECTION, false);
 620         ShowInsetCursor(bv);
 621     }
 622     no_selection = false;
 623 }
 624
 625
 626 void InsetText::InsetKeyPress(XKeyEvent * xke)
 627 {
 628     if (the_locking_inset) {
 629         the_locking_inset->InsetKeyPress(xke);
 630         return;
 631     }
 632 }
 633
 634
 635 UpdatableInset::RESULT
 636 InsetText::LocalDispatch(BufferView * bv,
 637                          int action, string const & arg)
 638 {
 639     no_selection = false;
 640     UpdatableInset::RESULT
 641         result= UpdatableInset::LocalDispatch(bv, action, arg);
 642     if (result != UNDISPATCHED) {
 643 //      resetPos(bv->painter());
 644         return DISPATCHED;
 645     }
 646
 647     result=DISPATCHED;
 648     if ((action < 0) && arg.empty())
 649         return FINISHED;
 650
 651     if (the_locking_inset) {
 652         result = the_locking_inset->LocalDispatch(bv, action, arg);
 653         if (result == DISPATCHED_NOUPDATE)
 654             return result;
 655         else if (result == DISPATCHED) {
 656             UpdateLocal(bv, CURSOR_PAR, false);
 657             return result;
 658         } else if (result == FINISHED) {
 659             switch(action) {
 660             case -1:
 661             case LFUN_RIGHT:
 662                 moveRight(bv, false);
 663                 break;
 664             case LFUN_DOWN:
 665                 moveDown(bv);
 666                 break;
 667             }
 668             the_locking_inset = 0;
 669             return DISPATCHED;
 670         }
 671     }
 672     HideInsetCursor(bv);
 673     switch (action) {
 674         // Normal chars
 675     case -1:
 676         if (bv->buffer()->isReadonly()) {
 677             LyXBell();
 678 //          setErrorMessage(N_("Document is read only"));
 679             break;
 680         }
 681         if (!arg.empty()) {
 682             /* Automatically delete the currently selected
 683              * text and replace it with what is being
 684              * typed in now. Depends on lyxrc settings
 685              * "auto_region_delete", which defaults to
 686              * true (on). */
 687
 688             bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 689                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 690                               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 691             if (lyxrc.auto_region_delete) {
 692                 if (TEXT(bv)->selection){
 693                     TEXT(bv)->CutSelection(bv, false);
 694                 }
 695             }
 696             TEXT(bv)->ClearSelection();
 697             for (string::size_type i = 0; i < arg.length(); ++i) {
 698                 bv->owner()->getIntl()->getTrans()->TranslateAndInsert(arg[i], TEXT(bv));
 699             }
 700         }
 701         UpdateLocal(bv, CURSOR_PAR, true);
 702         break;
 703         // --- Cursor Movements ---------------------------------------------
 704     case LFUN_RIGHTSEL:
 705         bv->text->FinishUndo();
 706         moveRight(bv, false);
 707         TEXT(bv)->SetSelection();
 708         UpdateLocal(bv, SELECTION, false);
 709         break;
 710     case LFUN_RIGHT:
 711         result = moveRight(bv);
 712         bv->text->FinishUndo();
 713         UpdateLocal(bv, CURSOR, false);
 714         break;
 715     case LFUN_LEFTSEL:
 716         bv->text->FinishUndo();
 717         moveLeft(bv, false);
 718         TEXT(bv)->SetSelection();
 719         UpdateLocal(bv, SELECTION, false);
 720         break;
 721     case LFUN_LEFT:
 722         bv->text->FinishUndo();
 723         result= moveLeft(bv);
 724         UpdateLocal(bv, CURSOR, false);
 725         break;
 726     case LFUN_DOWNSEL:
 727         bv->text->FinishUndo();
 728         moveDown(bv);
 729         TEXT(bv)->SetSelection();
 730         UpdateLocal(bv, SELECTION, false);
 731         break;
 732     case LFUN_DOWN:
 733         bv->text->FinishUndo();
 734         result = moveDown(bv);
 735         UpdateLocal(bv, CURSOR, false);
 736         break;
 737     case LFUN_UPSEL:
 738         bv->text->FinishUndo();
 739         moveUp(bv);
 740         TEXT(bv)->SetSelection();
 741         UpdateLocal(bv, SELECTION, false);
 742         break;
 743     case LFUN_UP:
 744         bv->text->FinishUndo();
 745         result = moveUp(bv);
 746         UpdateLocal(bv, CURSOR, false);
 747         break;
 748     case LFUN_HOME:
 749         bv->text->FinishUndo();
 750         TEXT(bv)->CursorHome(bv);
 751         UpdateLocal(bv, CURSOR, false);
 752         break;
 753     case LFUN_END:
 754         TEXT(bv)->CursorEnd(bv);
 755         UpdateLocal(bv, CURSOR, false);
 756         break;
 757     case LFUN_BACKSPACE:
 758         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 759           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 760           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 761         TEXT(bv)->Backspace(bv);
 762         UpdateLocal(bv, CURSOR_PAR, true);
 763         break;
 764     case LFUN_DELETE:
 765         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 766           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 767           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 768         TEXT(bv)->Delete(bv);
 769         UpdateLocal(bv, CURSOR_PAR, true);
 770         break;
 771     case LFUN_CUT:
 772         bv->text->SetUndo(bv->buffer(), Undo::DELETE,
 773           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 774           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 775         TEXT(bv)->CutSelection(bv);
 776         UpdateLocal(bv, CURSOR_PAR, true);
 777         break;
 778     case LFUN_COPY:
 779         bv->text->FinishUndo();
 780         TEXT(bv)->CopySelection(bv);
 781         UpdateLocal(bv, CURSOR_PAR, false);
 782         break;
 783     case LFUN_PASTE:
 784         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 785           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 786           bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 787         TEXT(bv)->PasteSelection(bv);
 788         UpdateLocal(bv, CURSOR_PAR, true);
 789         break;
 790     case LFUN_BREAKPARAGRAPH:
 791         if (!autoBreakRows)
 792             return DISPATCHED;
 793         TEXT(bv)->BreakParagraph(bv, 0);
 794         UpdateLocal(bv, FULL, true);
 795         break;
 796     case LFUN_BREAKLINE:
 797         if (!autoBreakRows)
 798             return DISPATCHED;
 799         bv->text->SetUndo(bv->buffer(), Undo::INSERT,
 800             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
 801             bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
 802         TEXT(bv)->InsertChar(bv, LyXParagraph::META_NEWLINE);
 803         UpdateLocal(bv, CURSOR_PAR, true);
 804         break;
 805     case LFUN_LAYOUT:
 806     {
 807       static LyXTextClass::size_type cur_layout = cpar(bv)->layout;
 808
 809         // Derive layout number from given argument (string)
 810         // and current buffer's textclass (number). */
 811         LyXTextClassList::ClassList::size_type tclass =
 812             bv->buffer()->params.textclass;
 813         std::pair <bool, LyXTextClass::size_type> layout =
 814             textclasslist.NumberOfLayout(tclass, arg);
 815
 816         // If the entry is obsolete, use the new one instead.
 817         if (layout.first) {
 818             string obs = textclasslist.Style(tclass,layout.second).
 819                 obsoleted_by();
 820             if (!obs.empty())
 821                 layout = textclasslist.NumberOfLayout(tclass, obs);
 822         }
 823
 824         // see if we found the layout number:
 825         if (!layout.first) {
 826             string msg = string(N_("Layout ")) + arg + N_(" not known");
 827
 828             bv->owner()->getMiniBuffer()->Set(msg);
 829             break;
 830         }
 831
 832         if (cur_layout != layout.second) {
 833             cur_layout = layout.second;
 834             TEXT(bv)->SetLayout(bv, layout.second);
 835             bv->owner()->getToolbar()->combox->select(cpar(bv)->GetLayout()+1);
 836             UpdateLocal(bv, CURSOR_PAR, true);
 837         }
 838     }
 839     break;
 840     case LFUN_PARAGRAPH_SPACING:
 841             // This one is absolutely not working. When fiddling with this
 842             // it also seems to me that the paragraphs inside the insettext
 843             // inherit bufferparams/paragraphparams in a strange way. (Lgb)
 844     {
 845             LyXParagraph * par = TEXT(bv)->cursor.par();
 846             Spacing::Space cur_spacing = par->spacing.getSpace();
 847             float cur_value = 1.0;
 848             if (cur_spacing == Spacing::Other) {
 849                     cur_value = par->spacing.getValue();
 850             }
 851
 852 #ifdef HAVE_SSTREAM
 853             std::istringstream istr(arg);
 854 #else
 855             istrstream istr(arg.c_str());
 856 #endif
 857             string tmp;
 858             istr >> tmp;
 859             Spacing::Space new_spacing = cur_spacing;
 860             float new_value = cur_value;
 861             if (tmp.empty()) {
 862                     lyxerr << "Missing argument to `paragraph-spacing'"
 863                            << endl;
 864             } else if (tmp == "single") {
 865                     new_spacing = Spacing::Single;
 866             } else if (tmp == "onehalf") {
 867                     new_spacing = Spacing::Onehalf;
 868             } else if (tmp == "double") {
 869                     new_spacing = Spacing::Double;
 870             } else if (tmp == "other") {
 871                     new_spacing = Spacing::Other;
 872                     float tmpval = 0.0;
 873                     istr >> tmpval;
 874                     lyxerr << "new_value = " << tmpval << endl;
 875                     if (tmpval != 0.0)
 876                             new_value = tmpval;
 877             } else if (tmp == "default") {
 878                     new_spacing = Spacing::Default;
 879             } else {
 880                     lyxerr << _("Unknown spacing argument: ")
 881                            << arg << endl;
 882             }
 883             if (cur_spacing != new_spacing || cur_value != new_value) {
 884                     par->spacing.set(new_spacing, new_value);
 885                     //TEXT(bv)->RedoParagraph(owner->view());
 886                     UpdateLocal(bv, CURSOR_PAR, true);
 887                     //bv->update(BufferView::SELECT|BufferView::FITCUR|BufferView::CHANGE);
 888             }
 889     }
 890     break;
 891
 892     default:
 893         result = UNDISPATCHED;
 894         break;
 895     }
 896     if (result != FINISHED) {
 897         ShowInsetCursor(bv);
 898     } else
 899         bv->unlockInset(this);
 900     return result;
 901 }
 902
 903
 904 int InsetText::Latex(Buffer const * buf, ostream & os, bool, bool) const
 905 {
 906     TexRow texrow;
 907     buf->latexParagraphs(os, par, 0, texrow);
 908     return texrow.rows();
 909 }
 910
 911
 912 void InsetText::Validate(LaTeXFeatures & features) const
 913 {
 914     LyXParagraph * p = par;
 915     while(p) {
 916         p->validate(features);
 917         p = p->next;
 918     }
 919 }
 920
 921
 922 int InsetText::BeginningOfMainBody(Buffer const * buf, LyXParagraph * p) const
 923 {
 924     if (textclasslist.Style(buf->params.textclass,
 925                             p->GetLayout()).labeltype != LABEL_MANUAL)
 926         return 0;
 927     else
 928         return p->BeginningOfMainBody();
 929 }
 930
 931
 932 void InsetText::GetCursorPos(BufferView * bv, int & x, int & y) const
 933 {
 934     x = cx(bv);
 935     y = cy(bv);
 936 }
 937
 938
 939 int InsetText::InsetInInsetY()
 940 {
 941     if (!the_locking_inset)
 942         return 0;
 943
 944     return (inset_y + the_locking_inset->InsetInInsetY());
 945 }
 946
 947
 948 void InsetText::ToggleInsetCursor(BufferView * bv)
 949 {
 950     if (the_locking_inset) {
 951         the_locking_inset->ToggleInsetCursor(bv);
 952         return;
 953     }
 954
 955     LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 956
 957     int asc = lyxfont::maxAscent(font);
 958     int desc = lyxfont::maxDescent(font);
 959
 960     if (cursor_visible)
 961         bv->hideLockedInsetCursor();
 962     else
 963         bv->showLockedInsetCursor(cx(bv), cy(bv),
 964                                   asc, desc);
 965     cursor_visible = !cursor_visible;
 966 }
 967
 968
 969 void InsetText::ShowInsetCursor(BufferView * bv)
 970 {
 971     if (the_locking_inset) {
 972         the_locking_inset->ShowInsetCursor(bv);
 973         return;
 974     }
 975     if (!cursor_visible) {
 976         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
 977
 978         int asc = lyxfont::maxAscent(font);
 979         int desc = lyxfont::maxDescent(font);
 980
 981         bv->fitLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 982         bv->showLockedInsetCursor(cx(bv), cy(bv), asc, desc);
 983         cursor_visible = true;
 984     }
 985 }
 986
 987
 988 void InsetText::HideInsetCursor(BufferView * bv)
 989 {
 990     if (cursor_visible) {
 991         bv->hideLockedInsetCursor();
 992         cursor_visible = false;
 993     }
 994     if (the_locking_inset)
 995         the_locking_inset->HideInsetCursor(bv);
 996 }
 997
 998
 999 UpdatableInset::RESULT
1000 InsetText::moveRight(BufferView * bv, bool activate_inset)
1001 {
1002     if (!cpar(bv)->next && (cpos(bv) >= cpar(bv)->Last()))
1003         return FINISHED;
1004     if (activate_inset && checkAndActivateInset(bv, false))
1005         return DISPATCHED;
1006     TEXT(bv)->CursorRight(bv);
1007     return DISPATCHED_NOUPDATE;
1008 }
1009
1010
1011 UpdatableInset::RESULT
1012 InsetText::moveLeft(BufferView * bv, bool activate_inset)
1013 {
1014     if (!cpar(bv)->previous && (cpos(bv) <= 0))
1015         return FINISHED;
1016     TEXT(bv)->CursorLeft(bv);
1017     if (activate_inset && checkAndActivateInset(bv, true))
1018         return DISPATCHED;
1019     return DISPATCHED_NOUPDATE;
1020 }
1021
1022
1023 UpdatableInset::RESULT
1024 InsetText::moveUp(BufferView * bv)
1025 {
1026     if (!crow(bv)->previous())
1027         return FINISHED;
1028     TEXT(bv)->CursorUp(bv);
1029     return DISPATCHED_NOUPDATE;
1030 }
1031
1032
1033 UpdatableInset::RESULT
1034 InsetText::moveDown(BufferView * bv)
1035 {
1036     if (!crow(bv)->next())
1037         return FINISHED;
1038     TEXT(bv)->CursorDown(bv);
1039     return DISPATCHED_NOUPDATE;
1040 }
1041
1042
1043 bool InsetText::InsertInset(BufferView * bv, Inset * inset)
1044 {
1045     if (the_locking_inset) {
1046         if (the_locking_inset->InsertInsetAllowed(inset))
1047             return the_locking_inset->InsertInset(bv, inset);
1048         return false;
1049     }
1050     bv->text->SetUndo(bv->buffer(), Undo::INSERT,
1051               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->previous,
1052               bv->text->cursor.par()->ParFromPos(bv->text->cursor.pos())->next);
1053     if (inset->Editable() == Inset::IS_EDITABLE) {
1054         UpdatableInset * i = static_cast<UpdatableInset *>(inset);
1055         i->setOwner(static_cast<UpdatableInset *>(this));
1056     }
1057     TEXT(bv)->InsertInset(bv, inset);
1058     TEXT(bv)->selection = 0;
1059     UpdateLocal(bv, CURSOR_PAR, true);
1060     static_cast<UpdatableInset*>(inset)->Edit(bv, 0, 0, 0);
1061     return true;
1062 }
1063
1064
1065 UpdatableInset * InsetText::GetLockingInset()
1066 {
1067     return the_locking_inset ? the_locking_inset->GetLockingInset() : this;
1068 }
1069
1070
1071 UpdatableInset * InsetText::GetFirstLockingInsetOfType(Inset::Code c)
1072 {
1073     if (c == LyxCode())
1074         return this;
1075     if (the_locking_inset)
1076         return the_locking_inset->GetFirstLockingInsetOfType(c);
1077     return 0;
1078 }
1079
1080
1081 void InsetText::SetFont(BufferView * bv, LyXFont const & font, bool toggleall)
1082 {
1083     TEXT(bv)->SetFont(bv, font, toggleall);
1084 }
1085
1086
1087 bool InsetText::checkAndActivateInset(BufferView * bv, bool behind)
1088 {
1089     if (cpar(bv)->GetChar(cpos(bv)) == LyXParagraph::META_INSET) {
1090         int x, y;
1091         Inset * inset =
1092             static_cast<UpdatableInset*>(cpar(bv)->GetInset(cpos(bv)));
1093         if (!inset || inset->Editable() != Inset::HIGHLY_EDITABLE)
1094             return false;
1095         LyXFont font = TEXT(bv)->GetFont(bv->buffer(), cpar(bv), cpos(bv));
1096         if (behind) {
1097             x = inset->width(bv, font);
1098             y = inset->descent(bv, font);
1099         } else {
1100             x = y = 0;
1101         }
1102         inset_x = cx(bv) - top_x + drawTextXOffset;
1103         inset_y = cy(bv) + drawTextYOffset;
1104         inset->Edit(bv, x-inset_x, y-inset_y, 0);
1105         if (!the_locking_inset)
1106             return false;
1107         UpdateLocal(bv, CURSOR_PAR, false);
1108         return true;
1109     }
1110     return false;
1111 }
1112
1113
1114 bool InsetText::checkAndActivateInset(BufferView * bv, int x, int y,
1115                                       int button)
1116 {
1117     int tmp_x = x - drawTextXOffset;
1118     int tmp_y = y + insetAscent;
1119     Inset * inset = bv->checkInsetHit(TEXT(bv), tmp_x, tmp_y, button);
1120
1121     if (inset) {
1122         if (x < 0)
1123             x = insetWidth;
1124         if (y < 0)
1125             y = insetDescent;
1126         inset_x = cx(bv) - top_x + drawTextXOffset;
1127         inset_y = cy(bv) + drawTextYOffset;
1128         inset->Edit(bv, x - inset_x, y - inset_y, button);
1129         if (!the_locking_inset)
1130             return false;
1131         UpdateLocal(bv, CURSOR_PAR, false);
1132         return true;
1133     }
1134     return false;
1135 }
1136
1137
1138 int InsetText::getMaxWidth(Painter & pain, UpdatableInset const * inset) const
1139 {
1140     int w = UpdatableInset::getMaxWidth(pain, inset);
1141     if (w < 0)
1142         return w;
1143     return  w - (2*TEXT_TO_INSET_OFFSET);
1144 }
1145
1146
1147 void InsetText::SetParagraphData(LyXParagraph *p)
1148 {
1149     LyXParagraph * np;
1150
1151     if (par) {
1152         np = par->next;
1153         delete par;
1154         while(np) {
1155             par = np;
1156             np = np->next;
1157             delete par;
1158         }
1159     }
1160     par = p->Clone();
1161     par->SetInsetOwner(this);
1162     np = par;
1163     while(p->next) {
1164         p = p->next;
1165         np->next = p->Clone();
1166         np->next->previous = np;
1167         np = np->next;
1168         np->SetInsetOwner(this);
1169     }
1170     need_update = INIT;
1171 }
1172
1173
1174 void InsetText::SetAutoBreakRows(bool flag)
1175 {
1176     if (flag != autoBreakRows) {
1177         autoBreakRows = flag;
1178         need_update = FULL;
1179     }
1180 }
1181
1182
1183 void InsetText::SetDrawFrame(BufferView * bv, DrawFrame how)
1184 {
1185     if (how != drawFrame) {
1186         drawFrame = how;
1187         if (bv)
1188             UpdateLocal(bv, DRAW_FRAME, false);
1189     }
1190 }
1191
1192
1193 void InsetText::SetFrameColor(BufferView * bv, LColor::color col)
1194 {
1195     if (frame_color != col) {
1196         frame_color = col;
1197         if (bv)
1198             UpdateLocal(bv, DRAW_FRAME, false);
1199     }
1200 }
1201
1202 #if 0
1203 LyXFont InsetText::GetDrawFont(BufferView * bv, LyXParagraph * p, int pos) const
1204 {
1205     return TEXT(bv)->GetFont(bv->buffer(), p, pos);
1206 }
1207 #endif
1208
1209 int InsetText::cx(BufferView * bv) const
1210 {
1211     return TEXT(bv)->cursor.x() + top_x + 1;
1212 }
1213
1214
1215 int InsetText::cy(BufferView * bv) const
1216 {
1217     long int y_dummy = 0;
1218     Row * tmprow = TEXT(bv)->GetRowNearY(y_dummy);
1219     return TEXT(bv)->cursor.y() - tmprow->baseline();
1220 }
1221
1222
1223 int InsetText::cpos(BufferView * bv) const
1224 {
1225     return TEXT(bv)->cursor.pos();
1226 }
1227
1228
1229 LyXParagraph * InsetText::cpar(BufferView * bv) const
1230 {
1231     return TEXT(bv)->cursor.par();
1232 }
1233
1234
1235 Row * InsetText::crow(BufferView * bv) const
1236 {
1237     return TEXT(bv)->cursor.row();
1238 }
1239
1240
1241 LyXText * InsetText::getLyXText(BufferView * bv) const
1242 {
1243     if (cache.find(bv) != cache.end())
1244         return cache[bv];
1245     LyXText * lt = new LyXText(const_cast<InsetText *>(this));
1246     lt->init(bv);
1247     cache[bv] = lt;
1248     if (the_locking_inset) {
1249         lt->SetCursor(bv, inset_par, inset_pos);
1250     }
1251     return lt;
1252 }
1253
1254
1255 void InsetText::deleteLyXText(BufferView * bv) const
1256 {
1257     cache.erase(bv);
1258     /// then remove all LyXText in text-insets
1259     LyXParagraph * p = par;
1260     for(;p;p = p->next) {
1261             p->deleteInsetsLyXText(bv);
1262     }
1263 }