src/insets/InsetCollapsable.cpp

   1 /**
   2  * \file InsetCollapsable.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alejandro Aguilar Sierra
   7  * \author Jürgen Vigna
   8  * \author Lars Gullik Bjønnes
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "InsetCollapsable.h"
  16
  17 #include "Buffer.h"
  18 #include "BufferParams.h"
  19 #include "BufferView.h"
  20 #include "Cursor.h"
  21 #include "Dimension.h"
  22 #include "DispatchResult.h"
  23 #include "FloatList.h"
  24 #include "FuncRequest.h"
  25 #include "FuncStatus.h"
  26 #include "InsetLayout.h"
  27 #include "InsetList.h"
  28 #include "Language.h"
  29 #include "LaTeXFeatures.h"
  30 #include "Lexer.h"
  31 #include "MetricsInfo.h"
  32 #include "output_xhtml.h"
  33 #include "paragraph_funcs.h"
  34 #include "ParagraphParameters.h"
  35 #include "sgml.h"
  36 #include "TextClass.h"
  37
  38 #include "frontends/FontMetrics.h"
  39 #include "frontends/Painter.h"
  40
  41 #include "support/debug.h"
  42 #include "support/docstream.h"
  43 #include "support/gettext.h"
  44 #include "support/lassert.h"
  45 #include "support/lstrings.h"
  46
  47 using namespace std;
  48
  49
  50 namespace lyx {
  51
  52 InsetCollapsable::CollapseStatus InsetCollapsable::status(BufferView const & bv) const
  53 {
  54         if (decoration() == InsetLayout::CONGLOMERATE)
  55                 return status_;
  56         return auto_open_[&bv] ? Open : status_;
  57 }
  58
  59
  60 InsetCollapsable::Geometry InsetCollapsable::geometry(BufferView const & bv) const
  61 {
  62         switch (decoration()) {
  63         case InsetLayout::CLASSIC:
  64                 if (status(bv) == Open)
  65                         return openinlined_ ? LeftButton : TopButton;
  66                 return ButtonOnly;
  67
  68         case InsetLayout::MINIMALISTIC:
  69                 return status(bv) == Open ? NoButton : ButtonOnly ;
  70
  71         case InsetLayout::CONGLOMERATE:
  72                 return status(bv) == Open ? SubLabel : Corners ;
  73
  74         case InsetLayout::DEFAULT:
  75                 break; // this shouldn't happen
  76         }
  77
  78         // dummy return value to shut down a warning,
  79         // this is dead code.
  80         return NoButton;
  81 }
  82
  83
  84 InsetCollapsable::Geometry InsetCollapsable::geometry() const
  85 {
  86         switch (decoration()) {
  87         case InsetLayout::CLASSIC:
  88                 if (status_ == Open)
  89                         return openinlined_ ? LeftButton : TopButton;
  90                 return ButtonOnly;
  91
  92         case InsetLayout::MINIMALISTIC:
  93                 return status_ == Open ? NoButton : ButtonOnly ;
  94
  95         case InsetLayout::CONGLOMERATE:
  96                 return status_ == Open ? SubLabel : Corners ;
  97
  98         case InsetLayout::DEFAULT:
  99                 break; // this shouldn't happen
 100         }
 101
 102         // dummy return value to shut down a warning,
 103         // this is dead code.
 104         return NoButton;
 105 }
 106
 107
 108 InsetCollapsable::InsetCollapsable(Buffer const & buf, InsetText::UsePlain ltype)
 109         : InsetText(buf, ltype), status_(Inset::Open),
 110           openinlined_(false), mouse_hover_(false)
 111 {
 112         setLayout(&buf.params().documentClass());
 113         setAutoBreakRows(true);
 114         setDrawFrame(true);
 115         setFrameColor(Color_collapsableframe);
 116 }
 117
 118
 119 InsetCollapsable::InsetCollapsable(InsetCollapsable const & rhs)
 120         : InsetText(rhs),
 121           status_(rhs.status_),
 122           layout_(rhs.layout_),
 123           labelstring_(rhs.labelstring_),
 124           button_dim(rhs.button_dim),
 125           openinlined_(rhs.openinlined_),
 126           auto_open_(rhs.auto_open_),
 127           // the sole purpose of this copy constructor
 128           mouse_hover_(false)
 129 {
 130 }
 131
 132
 133 docstring InsetCollapsable::toolTip(BufferView const & bv, int x, int y) const
 134 {
 135         Dimension dim = dimensionCollapsed(bv);
 136         if (geometry(bv) == NoButton)
 137                 return translateIfPossible(getLayout().labelstring());
 138         if (x > xo(bv) + dim.wid || y > yo(bv) + dim.des || isOpen(bv))
 139                 return docstring();
 140
 141         OutputParams rp(&buffer().params().encoding());
 142         odocstringstream ods;
 143         InsetText::plaintext(ods, rp);
 144         docstring const content_tip = ods.str();
 145         return support::wrapParas(content_tip, 4);
 146 }
 147
 148
 149 void InsetCollapsable::setLayout(BufferParams const & bp)
 150 {
 151         setLayout(bp.documentClassPtr());
 152 }
 153
 154
 155 void InsetCollapsable::setLayout(DocumentClass const * const dc)
 156 {
 157         if (dc) {
 158                 layout_ = &(dc->insetLayout(name()));
 159                 labelstring_ = translateIfPossible(getLayout().labelstring());
 160         } else {
 161                 layout_ = &DocumentClass::plainInsetLayout();
 162                 labelstring_ = _("UNDEFINED");
 163         }
 164
 165         setButtonLabel();
 166 }
 167
 168
 169 void InsetCollapsable::write(ostream & os) const
 170 {
 171         os << "status ";
 172         switch (status_) {
 173         case Open:
 174                 os << "open";
 175                 break;
 176         case Collapsed:
 177                 os << "collapsed";
 178                 break;
 179         }
 180         os << "\n";
 181         text().write(buffer(), os);
 182 }
 183
 184
 185 void InsetCollapsable::read(Lexer & lex)
 186 {
 187         lex.setContext("InsetCollapsable::read");
 188         string tmp_token;
 189         status_ = Collapsed;
 190         lex >> "status" >> tmp_token;
 191         if (tmp_token == "open")
 192                 status_ = Open;
 193
 194         // this must be set before we enter InsetText::read()
 195         setLayout(buffer().params());
 196         InsetText::read(lex);
 197         // set button label again as the inset contents was not read yet at
 198         // setLayout() time.
 199         setButtonLabel();
 200
 201         // Force default font, if so requested
 202         // This avoids paragraphs in buffer language that would have a
 203         // foreign language after a document language change, and it ensures
 204         // that all new text in ERT and similar gets the "latex" language,
 205         // since new text inherits the language from the last position of the
 206         // existing text.  As a side effect this makes us also robust against
 207         // bugs in LyX that might lead to font changes in ERT in .lyx files.
 208         resetParagraphsFont();
 209 }
 210
 211
 212 Dimension InsetCollapsable::dimensionCollapsed(BufferView const & bv) const
 213 {
 214         LASSERT(layout_, /**/);
 215         Dimension dim;
 216         theFontMetrics(getLayout().labelfont()).buttonText(
 217                 buttonLabel(bv), dim.wid, dim.asc, dim.des);
 218         return dim;
 219 }
 220
 221
 222 void InsetCollapsable::metrics(MetricsInfo & mi, Dimension & dim) const
 223 {
 224         auto_open_[mi.base.bv] =  mi.base.bv->cursor().isInside(this);
 225
 226         FontInfo tmpfont = mi.base.font;
 227         mi.base.font = getLayout().font();
 228         mi.base.font.realize(tmpfont);
 229
 230         BufferView const & bv = *mi.base.bv;
 231
 232         switch (geometry(bv)) {
 233         case NoButton:
 234                 InsetText::metrics(mi, dim);
 235                 break;
 236         case Corners:
 237                 InsetText::metrics(mi, dim);
 238                 dim.des -= 3;
 239                 dim.asc -= 1;
 240                 break;
 241         case SubLabel: {
 242                 InsetText::metrics(mi, dim);
 243                 // consider width of the inset label
 244                 FontInfo font(getLayout().labelfont());
 245                 font.realize(sane_font);
 246                 font.decSize();
 247                 font.decSize();
 248                 int w = 0;
 249                 int a = 0;
 250                 int d = 0;
 251                 theFontMetrics(font).rectText(buttonLabel(bv), w, a, d);
 252                 dim.des += a + d;
 253                 break;
 254                 }
 255         case TopButton:
 256         case LeftButton:
 257         case ButtonOnly:
 258                 dim = dimensionCollapsed(bv);
 259                 if (geometry(bv) == TopButton
 260                           || geometry(bv) == LeftButton) {
 261                         Dimension textdim;
 262                         InsetText::metrics(mi, textdim);
 263                         openinlined_ = (textdim.wid + dim.wid) < mi.base.textwidth;
 264                         if (openinlined_) {
 265                                 // Correct for button width.
 266                                 dim.wid += textdim.wid;
 267                                 dim.des = max(dim.des - textdim.asc + dim.asc, textdim.des);
 268                                 dim.asc = textdim.asc;
 269                         } else {
 270                                 dim.des += textdim.height() + TEXT_TO_INSET_OFFSET;
 271                                 dim.wid = max(dim.wid, textdim.wid);
 272                         }
 273                 }
 274                 break;
 275         }
 276
 277         mi.base.font = tmpfont;
 278 }
 279
 280
 281 bool InsetCollapsable::setMouseHover(bool mouse_hover)
 282 {
 283         mouse_hover_ = mouse_hover;
 284         return true;
 285 }
 286
 287
 288 void InsetCollapsable::draw(PainterInfo & pi, int x, int y) const
 289 {
 290         BufferView const & bv = *pi.base.bv;
 291
 292         auto_open_[&bv] =  bv.cursor().isInside(this);
 293
 294         FontInfo tmpfont = pi.base.font;
 295         pi.base.font = getLayout().font();
 296         pi.base.font.realize(tmpfont);
 297
 298         // Draw button first -- top, left or only
 299         Dimension dimc = dimensionCollapsed(bv);
 300
 301         if (geometry(*pi.base.bv) == TopButton ||
 302             geometry(*pi.base.bv) == LeftButton ||
 303             geometry(*pi.base.bv) == ButtonOnly) {
 304                 button_dim.x1 = x + 0;
 305                 button_dim.x2 = x + dimc.width();
 306                 button_dim.y1 = y - dimc.asc;
 307                 button_dim.y2 = y + dimc.des;
 308
 309                 FontInfo labelfont = getLayout().labelfont();
 310                 labelfont.setColor(labelColor());
 311                 pi.pain.buttonText(x, y, buttonLabel(bv), labelfont,
 312                         mouse_hover_);
 313         } else {
 314                 button_dim.x1 = 0;
 315                 button_dim.y1 = 0;
 316                 button_dim.x2 = 0;
 317                 button_dim.y2 = 0;
 318         }
 319
 320         Dimension const textdim = InsetText::dimension(bv);
 321         int const baseline = y;
 322         int textx, texty;
 323         switch (geometry(bv)) {
 324         case LeftButton:
 325                 textx = x + dimc.width();
 326                 texty = baseline;
 327                 InsetText::draw(pi, textx, texty);
 328                 break;
 329         case TopButton:
 330                 textx = x;
 331                 texty = baseline + dimc.des + textdim.asc;
 332                 InsetText::draw(pi, textx, texty);
 333                 break;
 334         case ButtonOnly:
 335                 break;
 336         case NoButton:
 337                 textx = x;
 338                 texty = baseline;
 339                 InsetText::draw(pi, textx, texty);
 340                 break;
 341         case SubLabel:
 342         case Corners:
 343                 textx = x;
 344                 texty = baseline;
 345                 const_cast<InsetCollapsable *>(this)->setDrawFrame(false);
 346                 InsetText::draw(pi, textx, texty);
 347                 const_cast<InsetCollapsable *>(this)->setDrawFrame(true);
 348
 349                 int desc = textdim.descent();
 350                 if (geometry(bv) == Corners)
 351                         desc -= 3;
 352
 353                 const int xx1 = x + TEXT_TO_INSET_OFFSET - 1;
 354                 const int xx2 = x + textdim.wid - TEXT_TO_INSET_OFFSET + 1;
 355                 pi.pain.line(xx1, y + desc - 4,
 356                              xx1, y + desc,
 357                         labelColor());
 358                 if (status_ == Open)
 359                         pi.pain.line(xx1, y + desc,
 360                                 xx2, y + desc,
 361                                 labelColor());
 362                 else {
 363                         // Make status_ value visible:
 364                         pi.pain.line(xx1, y + desc,
 365                                 xx1 + 4, y + desc,
 366                                 labelColor());
 367                         pi.pain.line(xx2 - 4, y + desc,
 368                                 xx2, y + desc,
 369                                 labelColor());
 370                 }
 371                 pi.pain.line(x + textdim.wid - 3, y + desc, x + textdim.wid - 3,
 372                         y + desc - 4, labelColor());
 373
 374                 // the label below the text. Can be toggled.
 375                 if (geometry(bv) == SubLabel) {
 376                         FontInfo font(getLayout().labelfont());
 377                         font.realize(sane_font);
 378                         font.decSize();
 379                         font.decSize();
 380                         int w = 0;
 381                         int a = 0;
 382                         int d = 0;
 383                         theFontMetrics(font).rectText(buttonLabel(bv), w, a, d);
 384                         int const ww = max(textdim.wid, w);
 385                         pi.pain.rectText(x + (ww - w) / 2, y + desc + a,
 386                                 buttonLabel(bv), font, Color_none, Color_none);
 387                         desc += d;
 388                 }
 389
 390                 // a visual cue when the cursor is inside the inset
 391                 Cursor const & cur = bv.cursor();
 392                 if (cur.isInside(this)) {
 393                         y -= textdim.asc;
 394                         y += 3;
 395                         pi.pain.line(xx1, y + 4, xx1, y, labelColor());
 396                         pi.pain.line(xx1 + 4, y, xx1, y, labelColor());
 397                         pi.pain.line(xx2, y + 4, xx2, y,
 398                                 labelColor());
 399                         pi.pain.line(xx2 - 4, y, xx2, y,
 400                                 labelColor());
 401                 }
 402                 break;
 403         }
 404
 405         pi.base.font = tmpfont;
 406 }
 407
 408
 409 void InsetCollapsable::cursorPos(BufferView const & bv,
 410                 CursorSlice const & sl, bool boundary, int & x, int & y) const
 411 {
 412         if (geometry(bv) == ButtonOnly)
 413                 status_ = Open;
 414         LASSERT(geometry(bv) != ButtonOnly, /**/);
 415
 416         InsetText::cursorPos(bv, sl, boundary, x, y);
 417         Dimension const textdim = InsetText::dimension(bv);
 418
 419         switch (geometry(bv)) {
 420         case LeftButton:
 421                 x += dimensionCollapsed(bv).wid;
 422                 break;
 423         case TopButton: {
 424                 y += dimensionCollapsed(bv).des + textdim.asc;
 425                 break;
 426         }
 427         case NoButton:
 428         case SubLabel:
 429         case Corners:
 430                 // Do nothing
 431                 break;
 432         case ButtonOnly:
 433                 // Cannot get here
 434                 break;
 435         }
 436 }
 437
 438
 439 bool InsetCollapsable::editable() const
 440 {
 441         return geometry() != ButtonOnly;
 442 }
 443
 444
 445 bool InsetCollapsable::descendable() const
 446 {
 447         return geometry() != ButtonOnly;
 448 }
 449
 450
 451 bool InsetCollapsable::hitButton(FuncRequest const & cmd) const
 452 {
 453         return button_dim.contains(cmd.x, cmd.y);
 454 }
 455
 456
 457 docstring const InsetCollapsable::getNewLabel(docstring const & l) const
 458 {
 459         docstring label;
 460         pos_type const max_length = 15;
 461         pos_type const p_siz = paragraphs().begin()->size();
 462         pos_type const n = min(max_length, p_siz);
 463         pos_type i = 0;
 464         pos_type j = 0;
 465         for (; i < n && j < p_siz; ++j) {
 466                 if (paragraphs().begin()->isInset(j))
 467                         continue;
 468                 label += paragraphs().begin()->getChar(j);
 469                 ++i;
 470         }
 471         if (paragraphs().size() > 1 || (i > 0 && j < p_siz)) {
 472                 label += "...";
 473         }
 474         return label.empty() ? l : label;
 475 }
 476
 477
 478 void InsetCollapsable::edit(Cursor & cur, bool front, EntryDirection entry_from)
 479 {
 480         //lyxerr << "InsetCollapsable: edit left/right" << endl;
 481         cur.push(*this);
 482         InsetText::edit(cur, front, entry_from);
 483 }
 484
 485
 486 Inset * InsetCollapsable::editXY(Cursor & cur, int x, int y)
 487 {
 488         //lyxerr << "InsetCollapsable: edit xy" << endl;
 489         if (geometry(cur.bv()) == ButtonOnly
 490          || (button_dim.contains(x, y)
 491           && geometry(cur.bv()) != NoButton))
 492                 return this;
 493         cur.push(*this);
 494         return InsetText::editXY(cur, x, y);
 495 }
 496
 497
 498 void InsetCollapsable::doDispatch(Cursor & cur, FuncRequest & cmd)
 499 {
 500         //lyxerr << "InsetCollapsable::doDispatch (begin): cmd: " << cmd
 501         //      << " cur: " << cur << " bvcur: " << cur.bv().cursor() << endl;
 502
 503         switch (cmd.action) {
 504         case LFUN_MOUSE_PRESS:
 505                 if (hitButton(cmd)) {
 506                         switch (cmd.button()) {
 507                         case mouse_button::button1:
 508                         case mouse_button::button3:
 509                                 // Pass the command to the enclosing InsetText,
 510                                 // so that the cursor gets set.
 511                                 cur.undispatched();
 512                                 break;
 513                         case mouse_button::none:
 514                         case mouse_button::button2:
 515                         case mouse_button::button4:
 516                         case mouse_button::button5:
 517                                 // Nothing to do.
 518                                 cur.noUpdate();
 519                                 break;
 520                         }
 521                 } else if (geometry(cur.bv()) != ButtonOnly)
 522                         InsetText::doDispatch(cur, cmd);
 523                 else
 524                         cur.undispatched();
 525                 break;
 526
 527         case LFUN_MOUSE_MOTION:
 528         case LFUN_MOUSE_DOUBLE:
 529         case LFUN_MOUSE_TRIPLE:
 530                 if (hitButton(cmd))
 531                         cur.noUpdate();
 532                 else if (geometry(cur.bv()) != ButtonOnly)
 533                         InsetText::doDispatch(cur, cmd);
 534                 else
 535                         cur.undispatched();
 536                 break;
 537
 538         case LFUN_MOUSE_RELEASE:
 539                 if (!hitButton(cmd)) {
 540                         // The mouse click has to be within the inset!
 541                         if (geometry(cur.bv()) != ButtonOnly)
 542                                 InsetText::doDispatch(cur, cmd);
 543                         else
 544                                 cur.undispatched();
 545                         break;
 546                 }
 547                 if (cmd.button() != mouse_button::button1) {
 548                         // Nothing to do.
 549                         cur.noUpdate();
 550                         break;
 551                 }
 552                 // if we are selecting, we do not want to
 553                 // toggle the inset.
 554                 if (cur.selection())
 555                         break;
 556                 // Left button is clicked, the user asks to
 557                 // toggle the inset visual state.
 558                 cur.dispatched();
 559                 cur.updateFlags(Update::Force | Update::FitCursor);
 560                 if (geometry(cur.bv()) == ButtonOnly) {
 561                         setStatus(cur, Open);
 562                         edit(cur, true);
 563                 }
 564                 else
 565                         setStatus(cur, Collapsed);
 566                 cur.bv().cursor() = cur;
 567                 break;
 568
 569         case LFUN_INSET_TOGGLE:
 570                 if (cmd.argument() == "open")
 571                         setStatus(cur, Open);
 572                 else if (cmd.argument() == "close")
 573                         setStatus(cur, Collapsed);
 574                 else if (cmd.argument() == "toggle" || cmd.argument().empty())
 575                         if (status_ == Open) {
 576                                 setStatus(cur, Collapsed);
 577                                 if (geometry(cur.bv()) == ButtonOnly)
 578                                         cur.top().forwardPos();
 579                         } else
 580                                 setStatus(cur, Open);
 581                 else // if assign or anything else
 582                         cur.undispatched();
 583                 cur.dispatched();
 584                 break;
 585
 586         case LFUN_PASTE:
 587         case LFUN_CLIPBOARD_PASTE:
 588         case LFUN_SELECTION_PASTE:
 589         case LFUN_PRIMARY_SELECTION_PASTE: {
 590                 InsetText::doDispatch(cur, cmd);
 591                 // Since we can only store plain text, we must reset all
 592                 // attributes.
 593                 // FIXME: Change only the pasted paragraphs
 594
 595                 resetParagraphsFont();
 596                 break;
 597         }
 598
 599         case LFUN_TAB_INSERT: {
 600                 bool const multi_par_selection = cur.selection() &&
 601                         cur.selBegin().pit() != cur.selEnd().pit();
 602                 if (multi_par_selection) {
 603                         // If there is a multi-paragraph selection, a tab is inserted
 604                         // at the beginning of each paragraph.
 605                         cur.recordUndoSelection();
 606                         pit_type const pit_end = cur.selEnd().pit();
 607                         for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) {
 608                                 paragraphs()[pit].insertChar(0, '\t',
 609                                         buffer().params().trackChanges);
 610                                 // Update the selection pos to make sure the selection does not
 611                                 // change as the inserted tab will increase the logical pos.
 612                                 if (cur.anchor_.pit() == pit)
 613                                         cur.anchor_.forwardPos();
 614                                 if (cur.pit() == pit)
 615                                         cur.forwardPos();
 616                         }
 617                         cur.finishUndo();
 618                 } else {
 619                         // Maybe we shouldn't allow tabs within a line, because they
 620                         // are not (yet) aligned as one might do expect.
 621                         FuncRequest cmd(LFUN_SELF_INSERT, from_ascii("\t"));
 622                         dispatch(cur, cmd);
 623                 }
 624                 break;
 625         }
 626
 627         case LFUN_TAB_DELETE:
 628                 if (cur.selection()) {
 629                         // If there is a selection, a tab (if present) is removed from
 630                         // the beginning of each paragraph.
 631                         cur.recordUndoSelection();
 632                         pit_type const pit_end = cur.selEnd().pit();
 633                         for (pit_type pit = cur.selBegin().pit(); pit <= pit_end; pit++) {
 634                                 Paragraph & par = paragraphs()[pit];
 635                                 if (par.getChar(0) == '\t') {
 636                                         if (cur.pit() == pit)
 637                                                 cur.posBackward();
 638                                         if (cur.anchor_.pit() == pit && cur.anchor_.pos() > 0 )
 639                                                 cur.anchor_.backwardPos();
 640
 641                                         par.eraseChar(0, buffer().params().trackChanges);
 642                                 } else
 643                                         // If no tab was present, try to remove up to four spaces.
 644                                         for (int n_spaces = 0;
 645                                                 par.getChar(0) == ' ' && n_spaces < 4; ++n_spaces) {
 646                                                         if (cur.pit() == pit)
 647                                                                 cur.posBackward();
 648                                                         if (cur.anchor_.pit() == pit && cur.anchor_.pos() > 0 )
 649                                                                 cur.anchor_.backwardPos();
 650
 651                                                         par.eraseChar(0, buffer().params().trackChanges);
 652                                         }
 653                         }
 654                         cur.finishUndo();
 655                 } else {
 656                         // If there is no selection, try to remove a tab or some spaces
 657                         // before the position of the cursor.
 658                         Paragraph & par = paragraphs()[cur.pit()];
 659                         pos_type const pos = cur.pos();
 660
 661                         if (pos == 0)
 662                                 break;
 663
 664                         char_type const c = par.getChar(pos - 1);
 665                         cur.recordUndo();
 666                         if (c == '\t') {
 667                                 cur.posBackward();
 668                                 par.eraseChar(cur.pos(), buffer().params().trackChanges);
 669                         } else
 670                                 for (int n_spaces = 0; cur.pos() > 0
 671                                         && par.getChar(cur.pos() - 1) == ' ' && n_spaces < 4;
 672                                         ++n_spaces) {
 673                                                 cur.posBackward();
 674                                                 par.eraseChar(cur.pos(), buffer().params().trackChanges);
 675                                 }
 676                                 cur.finishUndo();
 677                 }
 678                 break;
 679
 680         default:
 681                 if (getLayout().isForceLtr()) {
 682                         // Force any new text to latex_language
 683                         // FIXME: This should only be necessary in constructor, but
 684                         // new paragraphs that are created by pressing enter at the
 685                         // start of an existing paragraph get the buffer language
 686                         // and not latex_language, so we take this brute force
 687                         // approach.
 688                         cur.current_font.setLanguage(latex_language);
 689                         cur.real_current_font.setLanguage(latex_language);
 690                 }
 691                 InsetText::doDispatch(cur, cmd);
 692                 break;
 693         }
 694 }
 695
 696
 697 bool InsetCollapsable::allowMultiPar() const
 698 {
 699         return getLayout().isMultiPar();
 700 }
 701
 702
 703 void InsetCollapsable::resetParagraphsFont()
 704 {
 705         Font font(inherit_font, buffer().params().language);
 706         if (getLayout().isForceLtr())
 707                 font.setLanguage(latex_language);
 708         if (getLayout().isPassThru()) {
 709                 ParagraphList::iterator par = paragraphs().begin();
 710                 ParagraphList::iterator const end = paragraphs().end();
 711                 while (par != end) {
 712                         par->resetFonts(font);
 713                         par->params().clear();
 714                         ++par;
 715                 }
 716         }
 717 }
 718
 719
 720 bool InsetCollapsable::getStatus(Cursor & cur, FuncRequest const & cmd,
 721                 FuncStatus & flag) const
 722 {
 723         switch (cmd.action) {
 724         // FIXME At present, these are being enabled and disabled according to
 725         // whether PASSTHRU has been set in the InsetLayout. This makes some
 726         // sense, but there are other checks that should really be done. E.g.,
 727         // one should not be able to inset IndexPrint inside an optional argument!!
 728         case LFUN_ACCENT_ACUTE:
 729         case LFUN_ACCENT_BREVE:
 730         case LFUN_ACCENT_CARON:
 731         case LFUN_ACCENT_CEDILLA:
 732         case LFUN_ACCENT_CIRCLE:
 733         case LFUN_ACCENT_CIRCUMFLEX:
 734         case LFUN_ACCENT_DOT:
 735         case LFUN_ACCENT_GRAVE:
 736         case LFUN_ACCENT_HUNGARIAN_UMLAUT:
 737         case LFUN_ACCENT_MACRON:
 738         case LFUN_ACCENT_OGONEK:
 739         case LFUN_ACCENT_TIE:
 740         case LFUN_ACCENT_TILDE:
 741         case LFUN_ACCENT_UMLAUT:
 742         case LFUN_ACCENT_UNDERBAR:
 743         case LFUN_ACCENT_UNDERDOT:
 744         case LFUN_APPENDIX:
 745         case LFUN_BOX_INSERT:
 746         case LFUN_BRANCH_INSERT:
 747         case LFUN_CAPTION_INSERT:
 748         case LFUN_DEPTH_DECREMENT:
 749         case LFUN_DEPTH_INCREMENT:
 750         case LFUN_ERT_INSERT:
 751         case LFUN_FILE_INSERT:
 752         case LFUN_FLEX_INSERT:
 753         case LFUN_FLOAT_INSERT:
 754         case LFUN_FLOAT_LIST_INSERT:
 755         case LFUN_FLOAT_WIDE_INSERT:
 756         case LFUN_FONT_BOLD:
 757         case LFUN_FONT_BOLDSYMBOL:
 758         case LFUN_FONT_TYPEWRITER:
 759         case LFUN_FONT_DEFAULT:
 760         case LFUN_FONT_EMPH:
 761         case LFUN_FONT_NOUN:
 762         case LFUN_FONT_ROMAN:
 763         case LFUN_FONT_SANS:
 764         case LFUN_FONT_FRAK:
 765         case LFUN_FONT_ITAL:
 766         case LFUN_FONT_SIZE:
 767         case LFUN_FONT_STATE:
 768         case LFUN_FONT_UNDERLINE:
 769         case LFUN_FONT_STRIKEOUT:
 770         case LFUN_FONT_UULINE:
 771         case LFUN_FONT_UWAVE:
 772         case LFUN_FOOTNOTE_INSERT:
 773         case LFUN_HYPERLINK_INSERT:
 774         case LFUN_INDEX_INSERT:
 775         case LFUN_INDEX_PRINT:
 776         case LFUN_INSET_INSERT:
 777         case LFUN_LABEL_GOTO:
 778         case LFUN_LABEL_INSERT:
 779         case LFUN_LAYOUT_TABULAR:
 780         case LFUN_LINE_INSERT:
 781         case LFUN_MARGINALNOTE_INSERT:
 782         case LFUN_MATH_DISPLAY:
 783         case LFUN_MATH_INSERT:
 784         case LFUN_MATH_AMS_MATRIX:
 785         case LFUN_MATH_MATRIX:
 786         case LFUN_MATH_MODE:
 787         case LFUN_MENU_OPEN:
 788         case LFUN_NEWLINE_INSERT:
 789         case LFUN_NEWPAGE_INSERT:
 790         case LFUN_NOACTION:
 791         case LFUN_NOMENCL_INSERT:
 792         case LFUN_NOMENCL_PRINT:
 793         case LFUN_NOTE_INSERT:
 794         case LFUN_NOTE_NEXT:
 795         case LFUN_OPTIONAL_INSERT:
 796         case LFUN_PHANTOM_INSERT:
 797         case LFUN_REFERENCE_NEXT:
 798         case LFUN_SERVER_GOTO_FILE_ROW:
 799         case LFUN_SERVER_NOTIFY:
 800         case LFUN_SERVER_SET_XY:
 801         case LFUN_SPACE_INSERT:
 802         case LFUN_SPECIALCHAR_INSERT:
 803         case LFUN_TABULAR_INSERT:
 804         case LFUN_TEXTSTYLE_APPLY:
 805         case LFUN_TEXTSTYLE_UPDATE:
 806         case LFUN_TOC_INSERT:
 807         case LFUN_WRAP_INSERT:
 808                 if (getLayout().isPassThru()) {
 809                         flag.setEnabled(false);
 810                         return true;
 811                 }
 812                 return InsetText::getStatus(cur, cmd, flag);
 813
 814         case LFUN_INSET_TOGGLE:
 815                 if (cmd.argument() == "open")
 816                         flag.setEnabled(status_ != Open);
 817                 else if (cmd.argument() == "close")
 818                         flag.setEnabled(status_ == Open);
 819                 else if (cmd.argument() == "toggle" || cmd.argument().empty()) {
 820                         flag.setEnabled(true);
 821                         flag.setOnOff(status_ == Open);
 822                 } else
 823                         flag.setEnabled(false);
 824                 return true;
 825
 826         case LFUN_LANGUAGE:
 827                 flag.setEnabled(!getLayout().isForceLtr());
 828                 return InsetText::getStatus(cur, cmd, flag);
 829
 830         case LFUN_BREAK_PARAGRAPH:
 831                 flag.setEnabled(getLayout().isMultiPar());
 832                 return true;
 833
 834         case LFUN_TAB_INSERT:
 835         case LFUN_TAB_DELETE:
 836                 if (getLayout().isPassThru()) {
 837                         flag.setEnabled(true);
 838                         return true;
 839                 }
 840                 return InsetText::getStatus(cur, cmd, flag);
 841
 842         default:
 843                 return InsetText::getStatus(cur, cmd, flag);
 844         }
 845 }
 846
 847
 848 void InsetCollapsable::setLabel(docstring const & l)
 849 {
 850         labelstring_ = l;
 851 }
 852
 853
 854 void InsetCollapsable::setStatus(Cursor & cur, CollapseStatus status)
 855 {
 856         status_ = status;
 857         setButtonLabel();
 858         if (status_ == Collapsed) {
 859                 cur.leaveInset(*this);
 860                 mouse_hover_ = false;
 861         }
 862 }
 863
 864
 865 docstring InsetCollapsable::floatName(
 866                 string const & type, BufferParams const & bp) const
 867 {
 868         FloatList const & floats = bp.documentClass().floats();
 869         FloatList::const_iterator it = floats[type];
 870         // FIXME UNICODE
 871         return (it == floats.end()) ? from_ascii(type) : bp.B_(it->second.name());
 872 }
 873
 874
 875 InsetLayout::InsetDecoration InsetCollapsable::decoration() const
 876 {
 877         InsetLayout::InsetDecoration const dec = getLayout().decoration();
 878         switch (dec) {
 879         case InsetLayout::CLASSIC:
 880         case InsetLayout::MINIMALISTIC:
 881         case InsetLayout::CONGLOMERATE:
 882                 return dec;
 883         case InsetLayout::DEFAULT:
 884                 break;
 885         }
 886         if (lyxCode() == FLEX_CODE)
 887                 return InsetLayout::CONGLOMERATE;
 888         return InsetLayout::CLASSIC;
 889 }
 890
 891
 892 int InsetCollapsable::latex(odocstream & os,
 893                           OutputParams const & runparams) const
 894 {
 895         // This implements the standard way of handling the LaTeX output of
 896         // a collapsable inset, either a command or an environment. Standard
 897         // collapsable insets should not redefine this, non-standard ones may
 898         // call this.
 899         if (!getLayout().latexname().empty()) {
 900                 if (getLayout().latextype() == InsetLayout::COMMAND) {
 901                         // FIXME UNICODE
 902                         if (runparams.moving_arg)
 903                                 os << "\\protect";
 904                         os << '\\' << from_utf8(getLayout().latexname());
 905                         if (!getLayout().latexparam().empty())
 906                                 os << from_utf8(getLayout().latexparam());
 907                         os << '{';
 908                 } else if (getLayout().latextype() == InsetLayout::ENVIRONMENT) {
 909                         os << "%\n\\begin{" << from_utf8(getLayout().latexname()) << "}\n";
 910                         if (!getLayout().latexparam().empty())
 911                                 os << from_utf8(getLayout().latexparam());
 912                 }
 913         }
 914         OutputParams rp = runparams;
 915         if (getLayout().isPassThru())
 916                 rp.verbatim = true;
 917         if (getLayout().isNeedProtect())
 918                 rp.moving_arg = true;
 919         int i = InsetText::latex(os, rp);
 920         if (!getLayout().latexname().empty()) {
 921                 if (getLayout().latextype() == InsetLayout::COMMAND) {
 922                         os << "}";
 923                 } else if (getLayout().latextype() == InsetLayout::ENVIRONMENT) {
 924                         os << "\n\\end{" << from_utf8(getLayout().latexname()) << "}\n";
 925                         i += 4;
 926                 }
 927         }
 928         return i;
 929 }
 930
 931
 932 // FIXME It seems as if it ought to be possible to do this more simply,
 933 // maybe by calling InsetText::docbook() in the middle there.
 934 int InsetCollapsable::docbook(odocstream & os, OutputParams const & runparams) const
 935 {
 936         ParagraphList::const_iterator const beg = paragraphs().begin();
 937         ParagraphList::const_iterator par = paragraphs().begin();
 938         ParagraphList::const_iterator const end = paragraphs().end();
 939
 940         if (!undefined())
 941                 sgml::openTag(os, getLayout().latexname(),
 942                               par->getID(buffer(), runparams) + getLayout().latexparam());
 943
 944         for (; par != end; ++par) {
 945                 par->simpleDocBookOnePar(buffer(), os, runparams,
 946                                          outerFont(distance(beg, par),
 947                                                    paragraphs()));
 948         }
 949
 950         if (!undefined())
 951                 sgml::closeTag(os, getLayout().latexname());
 952
 953         return 0;
 954 }
 955
 956
 957 docstring InsetCollapsable::xhtml(odocstream & os, OutputParams const & runparams) const
 958 {
 959         InsetLayout const & il = getLayout();
 960         if (undefined())
 961                 return InsetText::xhtml(os, runparams);
 962
 963         bool const opened = html::openTag(os, il.htmltag(), il.htmlattr());
 964         if (!il.counter().empty()) {
 965                 BufferParams const & bp = buffer().masterBuffer()->params();
 966                 Counters & cntrs = bp.documentClass().counters();
 967                 cntrs.step(il.counter());
 968                 // FIXME: translate to paragraph language
 969                 if (!il.htmllabel().empty())
 970                         os << cntrs.counterLabel(from_utf8(il.htmllabel()), bp.language->code());
 971         }
 972         bool innertag_opened = false;
 973         if (!il.htmlinnertag().empty())
 974                 innertag_opened = html::openTag(os, il.htmlinnertag(), il.htmlinnerattr());
 975         docstring deferred = InsetText::xhtml(os, runparams);
 976         if (innertag_opened)
 977                 html::closeTag(os, il.htmlinnertag());
 978         if (opened)
 979                 html::closeTag(os, il.htmltag());
 980         return deferred;
 981 }
 982
 983
 984 void InsetCollapsable::validate(LaTeXFeatures & features) const
 985 {
 986         features.useInsetLayout(getLayout());
 987         InsetText::validate(features);
 988 }
 989
 990
 991 bool InsetCollapsable::undefined() const
 992 {
 993         docstring const & n = getLayout().name();
 994         return n.empty() || n == DocumentClass::plainInsetLayout().name();
 995 }
 996
 997
 998 docstring InsetCollapsable::contextMenu(BufferView const & bv, int x,
 999         int y) const
1000 {
1001         if (decoration() == InsetLayout::CONGLOMERATE)
1002                 return from_ascii("context-conglomerate");
1003
1004         if (geometry(bv) == NoButton)
1005                 return from_ascii("context-collapsable");
1006
1007         Dimension dim = dimensionCollapsed(bv);
1008         if (x < xo(bv) + dim.wid && y < yo(bv) + dim.des)
1009                 return from_ascii("context-collapsable");
1010
1011         return InsetText::contextMenu(bv, x, y);
1012 }
1013
1014 void InsetCollapsable::tocString(odocstream & os) const
1015 {
1016         if (!getLayout().isInToc())
1017                 return;
1018         os << text().asString(0, 1, AS_STR_LABEL | AS_STR_INSETS);
1019 }
1020
1021
1022 } // namespace lyx