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