src/frontends/qt4/LayoutBox.cpp

   1 /**
   2  * \file qt4/LayoutBox.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Lars Gullik Bjønnes
   7  * \author John Levon
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author Stefan Schimanski
  11  * \author Abdelrazak Younes
  12  *
  13  * Full author contact details are available in file CREDITS.
  14  */
  15
  16 #include <config.h>
  17
  18 #include "LayoutBox.h"
  19
  20 #include "GuiView.h"
  21 #include "qt_helpers.h"
  22
  23 #include "Buffer.h"
  24 #include "BufferParams.h"
  25 #include "BufferView.h"
  26 #include "Cursor.h"
  27 #include "DocumentClassPtr.h"
  28 #include "FuncRequest.h"
  29 #include "FuncStatus.h"
  30 #include "LyX.h"
  31 #include "LyXRC.h"
  32 #include "Paragraph.h"
  33 #include "TextClass.h"
  34
  35 #include "insets/InsetText.h"
  36
  37 #include "support/debug.h"
  38 #include "support/gettext.h"
  39 #include "support/lassert.h"
  40 #include "support/lstrings.h"
  41
  42 #include <QAbstractTextDocumentLayout>
  43 #include <QHeaderView>
  44 #include <QItemDelegate>
  45 #include <QPainter>
  46 #include <QSortFilterProxyModel>
  47 #include <QStandardItemModel>
  48 #include <QTextFrame>
  49
  50 using namespace std;
  51 using namespace lyx::support;
  52
  53 namespace lyx {
  54 namespace frontend {
  55
  56
  57 class LayoutItemDelegate : public QItemDelegate {
  58 public:
  59         ///
  60         explicit LayoutItemDelegate(LayoutBox * layout)
  61                 : QItemDelegate(layout), layout_(layout)
  62         {}
  63         ///
  64         void paint(QPainter * painter, QStyleOptionViewItem const & option,
  65                 QModelIndex const & index) const;
  66         ///
  67         void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
  68                 const QRect & /*rect*/, const QString & text ) const;
  69         ///
  70         QSize sizeHint(QStyleOptionViewItem const & opt,
  71                 QModelIndex const & index) const;
  72
  73 private:
  74         ///
  75         void drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
  76                 QString const & category) const;
  77         ///
  78         QString underlineFilter(QString const & s) const;
  79         ///
  80         LayoutBox * layout_;
  81 };
  82
  83
  84 class GuiLayoutFilterModel : public QSortFilterProxyModel {
  85 public:
  86         ///
  87         GuiLayoutFilterModel(QObject * parent = 0)
  88                 : QSortFilterProxyModel(parent)
  89         {}
  90
  91         ///
  92         void triggerLayoutChange()
  93         {
  94                 layoutAboutToBeChanged();
  95                 layoutChanged();
  96         }
  97 };
  98
  99
 100 /////////////////////////////////////////////////////////////////////
 101 //
 102 // LayoutBox::Private
 103 //
 104 /////////////////////////////////////////////////////////////////////
 105
 106 class LayoutBox::Private
 107 {
 108         /// noncopyable
 109         Private(Private const &);
 110         void operator=(Private const &);
 111 public:
 112         Private(LayoutBox * parent, GuiView & gv) : p(parent), owner_(gv),
 113                 inset_(0),
 114                 // set the layout model with two columns
 115                 // 1st: translated layout names
 116                 // 2nd: raw layout names
 117                 model_(new QStandardItemModel(0, 2, p)),
 118                 filterModel_(new GuiLayoutFilterModel(p)),
 119                 lastSel_(-1),
 120                 layoutItemDelegate_(new LayoutItemDelegate(parent)),
 121                 visibleCategories_(0), inShowPopup_(false)
 122         {
 123                 filterModel_->setSourceModel(model_);
 124         }
 125
 126         void resetFilter() { setFilter(QString()); }
 127         ///
 128         void setFilter(QString const & s);
 129         ///
 130         void countCategories();
 131         ///
 132         LayoutBox * p;
 133         ///
 134         GuiView & owner_;
 135         ///
 136         DocumentClassConstPtr text_class_;
 137         ///
 138         Inset const * inset_;
 139
 140         /// the layout model: 1st column translated, 2nd column raw layout name
 141         QStandardItemModel * model_;
 142         /// the proxy model filtering \c model_
 143         GuiLayoutFilterModel * filterModel_;
 144         /// the (model-) index of the last successful selection
 145         int lastSel_;
 146         /// the character filter
 147         QString filter_;
 148         ///
 149         LayoutItemDelegate * layoutItemDelegate_;
 150         ///
 151         unsigned visibleCategories_;
 152         ///
 153         bool inShowPopup_;
 154 };
 155
 156
 157 static QString category(QAbstractItemModel const & model, int row)
 158 {
 159         return model.data(model.index(row, 2), Qt::DisplayRole).toString();
 160 }
 161
 162
 163 static int headerHeight(QStyleOptionViewItem const & opt)
 164 {
 165         return opt.fontMetrics.height() * 8 / 10;
 166 }
 167
 168
 169 void LayoutItemDelegate::paint(QPainter * painter, QStyleOptionViewItem const & option,
 170                                                            QModelIndex const & index) const
 171 {
 172         QStyleOptionViewItem opt = option;
 173
 174         // default background
 175         painter->fillRect(opt.rect, opt.palette.color(QPalette::Base));
 176
 177         // category header?
 178         if (lyxrc.group_layouts) {
 179                 QSortFilterProxyModel const * model =
 180                         static_cast<QSortFilterProxyModel const *>(index.model());
 181
 182                 QString stdCat = category(*model->sourceModel(), 0);
 183                 QString cat = category(*index.model(), index.row());
 184
 185                 // not the standard layout and not the same as in the previous line?
 186                 if (stdCat != cat
 187                         && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 188                         painter->save();
 189
 190                         // draw unselected background
 191                         QStyle::State state = opt.state;
 192                         opt.state = opt.state & ~QStyle::State_Selected;
 193                         drawBackground(painter, opt, index);
 194                         opt.state = state;
 195
 196                         // draw category header
 197                         drawCategoryHeader(painter, opt,
 198                                 category(*index.model(), index.row()));
 199
 200                         // move rect down below header
 201                         opt.rect.setTop(opt.rect.top() + headerHeight(opt));
 202
 203                         painter->restore();
 204                 }
 205         }
 206
 207         QItemDelegate::paint(painter, opt, index);
 208 }
 209
 210
 211 void LayoutItemDelegate::drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
 212                                                                          const QRect & /*rect*/, const QString & text ) const
 213 {
 214         QString utext = underlineFilter(text);
 215
 216         // Draw the rich text.
 217         painter->save();
 218         QColor col = opt.palette.text().color();
 219         if (opt.state & QStyle::State_Selected)
 220                 col = opt.palette.highlightedText().color();
 221         QAbstractTextDocumentLayout::PaintContext context;
 222         context.palette.setColor(QPalette::Text, col);
 223
 224         QTextDocument doc;
 225         doc.setDefaultFont(opt.font);
 226         doc.setHtml(utext);
 227
 228         QTextFrameFormat fmt = doc.rootFrame()->frameFormat();
 229         fmt.setMargin(0);
 230         doc.rootFrame()->setFrameFormat(fmt);
 231
 232         painter->translate(opt.rect.x() + 5,
 233                 opt.rect.y() + (opt.rect.height() - opt.fontMetrics.height()) / 2);
 234         doc.documentLayout()->draw(painter, context);
 235         painter->restore();
 236 }
 237
 238
 239 QSize LayoutItemDelegate::sizeHint(QStyleOptionViewItem const & opt,
 240                                                                    QModelIndex const & index) const
 241 {
 242         QSortFilterProxyModel const * model =
 243                 static_cast<QSortFilterProxyModel const *>(index.model());
 244         QSize size = QItemDelegate::sizeHint(opt, index);
 245
 246         /// QComboBox uses the first row height to estimate the
 247         /// complete popup height during QComboBox::showPopup().
 248         /// To avoid scrolling we have to sneak in space for the headers.
 249         /// So we tweak this value accordingly. It's not nice, but the
 250         /// only possible way it seems.
 251         if (lyxrc.group_layouts && index.row() == 0 && layout_->d->inShowPopup_) {
 252                 int itemHeight = size.height();
 253
 254                 // we have to show \c cats many headers:
 255                 unsigned cats = layout_->d->visibleCategories_;
 256
 257                 // and we have \c n items to distribute the needed space over
 258                 unsigned n = layout_->model()->rowCount();
 259
 260                 // so the needed average height (rounded upwards) is:
 261                 size.setHeight((headerHeight(opt) * cats + itemHeight * n + n - 1) / n);
 262                 return size;
 263         }
 264
 265         // Add space for the category headers here?
 266         // Not for the standard layout though.
 267         QString stdCat = category(*model->sourceModel(), 0);
 268         QString cat = category(*index.model(), index.row());
 269         if (lyxrc.group_layouts && stdCat != cat
 270                 && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 271                 size.setHeight(size.height() + headerHeight(opt));
 272         }
 273
 274         return size;
 275 }
 276
 277
 278 void LayoutItemDelegate::drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
 279                                                                                         QString const & category) const
 280 {
 281         // slightly blended color
 282         QColor lcol = opt.palette.text().color();
 283         lcol.setAlpha(127);
 284         painter->setPen(lcol);
 285
 286         // set 80% scaled, bold font
 287         QFont font = opt.font;
 288         font.setBold(true);
 289         font.setWeight(QFont::Black);
 290         font.setPointSize(opt.font.pointSize() * 8 / 10);
 291         painter->setFont(font);
 292
 293         // draw the centered text
 294         QFontMetrics fm(font);
 295         int w = fm.width(category);
 296         int x = opt.rect.x() + (opt.rect.width() - w) / 2;
 297         int y = opt.rect.y() + fm.ascent();
 298         int left = x;
 299         int right = x + w;
 300         painter->drawText(x, y, category);
 301
 302         // the vertical position of the line: middle of lower case chars
 303         int ymid = y - 1 - fm.xHeight() / 2; // -1 for the baseline
 304
 305         // draw the horizontal line
 306         if (!category.isEmpty()) {
 307                 painter->drawLine(opt.rect.x(), ymid, left - 1, ymid);
 308                 painter->drawLine(right + 1, ymid, opt.rect.right(), ymid);
 309         } else
 310                 painter->drawLine(opt.rect.x(), ymid, opt.rect.right(), ymid);
 311 }
 312
 313
 314 QString LayoutItemDelegate::underlineFilter(QString const & s) const
 315 {
 316         QString const & f = layout_->filter();
 317         if (f.isEmpty())
 318                 return s;
 319
 320         // step through data item and put "(x)" for every matching character
 321         QString r;
 322         int lastp = -1;
 323         for (int i = 0; i < f.length(); ++i) {
 324                 int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
 325                 if (p < 0)
 326                         continue;
 327                 if (lastp == p - 1 && lastp != -1) {
 328                         // remove ")" and append "x)"
 329                         r = r.left(r.length() - 4) + s[p] + "</u>";
 330                 } else {
 331                         // append "(x)"
 332                         r += s.mid(lastp + 1, p - lastp - 1);
 333                         r += QString("<u>") + s[p] + "</u>";
 334                 }
 335                 lastp = p;
 336         }
 337         r += s.mid(lastp + 1);
 338         return r;
 339 }
 340
 341
 342 static QString charFilterRegExp(QString const & filter)
 343 {
 344         QString re;
 345         for (int i = 0; i < filter.length(); ++i) {
 346                 QChar c = filter[i];
 347                 if (c.isLower())
 348                         re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
 349                 else
 350                         re += ".*" + QRegExp::escape(c);
 351         }
 352         return re;
 353 }
 354
 355
 356 void LayoutBox::Private::setFilter(QString const & s)
 357 {
 358         // exit early if nothing has to be done
 359         if (filter_ == s)
 360                 return;
 361
 362         bool enabled = p->view()->updatesEnabled();
 363         p->view()->setUpdatesEnabled(false);
 364
 365         // remember old selection
 366         int sel = p->currentIndex();
 367         if (sel != -1)
 368                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 369
 370         filter_ = s;
 371         filterModel_->setFilterRegExp(charFilterRegExp(filter_));
 372         countCategories();
 373
 374         // restore old selection
 375         if (lastSel_ != -1) {
 376                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 377                 if (i.isValid())
 378                         p->setCurrentIndex(i.row());
 379         }
 380
 381         // Workaround to resize to content size
 382         // FIXME: There must be a better way. The QComboBox::AdjustToContents)
 383         //        does not help.
 384         if (p->view()->isVisible()) {
 385                 // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 386                 // the hack in the item delegate to make space for the headers.
 387                 // We do not call our implementation of showPopup because that
 388                 // would reset the filter again. This is only needed if the user clicks
 389                 // on the QComboBox.
 390                 LATTEST(!inShowPopup_);
 391                 inShowPopup_ = true;
 392                 p->QComboBox::showPopup();
 393                 inShowPopup_ = false;
 394
 395                 // The item delegate hack is off again. So trigger a relayout of the popup.
 396                 filterModel_->triggerLayoutChange();
 397
 398                 if (!s.isEmpty())
 399                         owner_.message(bformat(_("Filtering layouts with \"%1$s\". "
 400                                                  "Press ESC to remove filter."),
 401                                                qstring_to_ucs4(s)));
 402                 else
 403                         owner_.message(_("Enter characters to filter the layout list."));
 404         }
 405
 406         p->view()->setUpdatesEnabled(enabled);
 407 }
 408
 409
 410 LayoutBox::LayoutBox(GuiView & owner)
 411         : d(new Private(this, owner))
 412 {
 413         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 414         setFocusPolicy(Qt::ClickFocus);
 415         setMinimumWidth(sizeHint().width());
 416         setMaxVisibleItems(100);
 417
 418         setModel(d->filterModel_);
 419
 420         // for the filtering we have to intercept characters
 421         view()->installEventFilter(this);
 422         view()->setItemDelegateForColumn(0, d->layoutItemDelegate_);
 423
 424         QObject::connect(this, SIGNAL(activated(int)),
 425                 this, SLOT(selected(int)));
 426
 427         updateContents(true);
 428 }
 429
 430
 431 LayoutBox::~LayoutBox() {
 432         delete d;
 433 }
 434
 435
 436 void LayoutBox::Private::countCategories()
 437 {
 438         int n = filterModel_->rowCount();
 439         visibleCategories_ = 0;
 440         if (n == 0 || !lyxrc.group_layouts)
 441                 return;
 442
 443         // skip the "Standard" category
 444         QString prevCat = model_->index(0, 2).data().toString();
 445
 446         // count categories
 447         for (int i = 0; i < n; ++i) {
 448                 QString cat = filterModel_->index(i, 2).data().toString();
 449                 if (cat != prevCat)
 450                         ++visibleCategories_;
 451                 prevCat = cat;
 452         }
 453 }
 454
 455
 456 void LayoutBox::showPopup()
 457 {
 458         d->owner_.message(_("Enter characters to filter the layout list."));
 459
 460         bool enabled = view()->updatesEnabled();
 461         view()->setUpdatesEnabled(false);
 462
 463         d->resetFilter();
 464
 465         // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 466         // the hack in the item delegate to make space for the headers.
 467         LATTEST(!d->inShowPopup_);
 468         d->inShowPopup_ = true;
 469         QComboBox::showPopup();
 470         d->inShowPopup_ = false;
 471
 472         // The item delegate hack is off again. So trigger a relayout of the popup.
 473         d->filterModel_->triggerLayoutChange();
 474
 475         view()->setUpdatesEnabled(enabled);
 476 }
 477
 478
 479 bool LayoutBox::eventFilter(QObject * o, QEvent * e)
 480 {
 481         if (e->type() != QEvent::KeyPress)
 482                 return QComboBox::eventFilter(o, e);
 483
 484         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 485         bool modified = (ke->modifiers() == Qt::ControlModifier)
 486                 || (ke->modifiers() == Qt::AltModifier)
 487                 || (ke->modifiers() == Qt::MetaModifier);
 488
 489         switch (ke->key()) {
 490         case Qt::Key_Escape:
 491                 if (!modified && !d->filter_.isEmpty()) {
 492                         d->resetFilter();
 493                         return true;
 494                 }
 495                 break;
 496         case Qt::Key_Backspace:
 497                 if (!modified) {
 498                         // cut off one character
 499                         d->setFilter(d->filter_.left(d->filter_.length() - 1));
 500                 }
 501                 break;
 502         default:
 503                 if (modified || ke->text().isEmpty())
 504                         break;
 505                 // find chars for the filter string
 506                 QString s;
 507                 for (int i = 0; i < ke->text().length(); ++i) {
 508                         QChar c = ke->text()[i];
 509                         if (c.isLetterOrNumber()
 510                             || c.isSymbol()
 511                             || c.isPunct()
 512                             || c.category() == QChar::Separator_Space) {
 513                                 s += c;
 514                         }
 515                 }
 516                 if (!s.isEmpty()) {
 517                         // append new chars to the filter string
 518                         d->setFilter(d->filter_ + s);
 519                         return true;
 520                 }
 521                 break;
 522         }
 523
 524         return QComboBox::eventFilter(o, e);
 525 }
 526
 527
 528 void LayoutBox::setIconSize(QSize size)
 529 {
 530 #ifdef Q_OS_MAC
 531         bool small = size.height() < 20;
 532         setAttribute(Qt::WA_MacSmallSize, small);
 533         setAttribute(Qt::WA_MacNormalSize, !small);
 534 #else
 535         (void)size; // suppress warning
 536 #endif
 537 }
 538
 539
 540 void LayoutBox::set(docstring const & layout)
 541 {
 542         d->resetFilter();
 543
 544         if (!d->text_class_)
 545                 return;
 546
 547         if (!d->text_class_->hasLayout(layout))
 548                 return;
 549
 550         Layout const & lay = (*d->text_class_)[layout];
 551         QString newLayout = toqstr(lay.name());
 552
 553         // If the layout is obsolete, use the new one instead.
 554         docstring const & obs = lay.obsoleted_by();
 555         if (!obs.empty())
 556                 newLayout = toqstr(obs);
 557
 558         int const curItem = currentIndex();
 559         QModelIndex const mindex =
 560                 d->filterModel_->mapToSource(d->filterModel_->index(curItem, 1));
 561         QString const & currentLayout = d->model_->itemFromIndex(mindex)->text();
 562         if (newLayout == currentLayout) {
 563                 LYXERR(Debug::GUI, "Already had " << newLayout << " selected.");
 564                 return;
 565         }
 566
 567         QList<QStandardItem *> r = d->model_->findItems(newLayout, Qt::MatchExactly, 1);
 568         if (r.empty()) {
 569                 LYXERR0("Trying to select non existent layout type " << newLayout);
 570                 return;
 571         }
 572
 573         setCurrentIndex(d->filterModel_->mapFromSource(r.first()->index()).row());
 574 }
 575
 576
 577 void LayoutBox::addItemSort(docstring const & item, docstring const & category,
 578         bool sorted, bool sortedByCat, bool unknown)
 579 {
 580         QString qitem = toqstr(item);
 581         docstring const loc_item = translateIfPossible(item);
 582         QString titem = unknown ? toqstr(bformat(_("%1$s (unknown)"), loc_item))
 583                                 : toqstr(loc_item);
 584         QString qcat = toqstr(translateIfPossible(category));
 585
 586         QList<QStandardItem *> row;
 587         row.append(new QStandardItem(titem));
 588         row.append(new QStandardItem(qitem));
 589         row.append(new QStandardItem(qcat));
 590
 591         // the first entry is easy
 592         int const end = d->model_->rowCount();
 593         if (end == 0) {
 594                 d->model_->appendRow(row);
 595                 return;
 596         }
 597
 598         // find category
 599         int i = 0;
 600         if (sortedByCat) {
 601                 while (i < end && d->model_->item(i, 2)->text() != qcat)
 602                         ++i;
 603         }
 604
 605         // skip the Standard layout
 606         if (i == 0)
 607                 ++i;
 608
 609         // the simple unsorted case
 610         if (!sorted) {
 611                 if (sortedByCat) {
 612                         // jump to the end of the category group
 613                         while (i < end && d->model_->item(i, 2)->text() == qcat)
 614                                 ++i;
 615                         d->model_->insertRow(i, row);
 616                 } else
 617                         d->model_->appendRow(row);
 618                 return;
 619         }
 620
 621         // find row to insert the item, after the separator if it exists
 622         if (i < end) {
 623                 // find alphabetic position
 624                 while (i != end
 625                        && d->model_->item(i, 0)->text().localeAwareCompare(titem) < 0
 626                        && (!sortedByCat || d->model_->item(i, 2)->text() == qcat))
 627                         ++i;
 628         }
 629
 630         d->model_->insertRow(i, row);
 631 }
 632
 633
 634 void LayoutBox::updateContents(bool reset)
 635 {
 636         d->resetFilter();
 637         BufferView const * bv = d->owner_.currentBufferView();
 638         if (!bv) {
 639                 d->model_->clear();
 640                 setEnabled(false);
 641                 setMinimumWidth(sizeHint().width());
 642                 d->text_class_.reset();
 643                 d->inset_ = 0;
 644                 return;
 645         }
 646         // we'll only update the layout list if the text class has changed
 647         // or we've moved from one inset to another
 648         DocumentClassConstPtr text_class = bv->buffer().params().documentClassPtr();
 649         Inset const * inset = &(bv->cursor().innerText()->inset());
 650         if (!reset && d->text_class_ == text_class && d->inset_ == inset) {
 651                 set(bv->cursor().innerParagraph().layout().name());
 652                 return;
 653         }
 654
 655         d->inset_ = inset;
 656         d->text_class_ = text_class;
 657
 658         d->model_->clear();
 659         DocumentClass::const_iterator lit = d->text_class_->begin();
 660         DocumentClass::const_iterator len = d->text_class_->end();
 661
 662         for (; lit != len; ++lit) {
 663                 docstring const & name = lit->name();
 664                 bool const useEmpty = d->inset_->forcePlainLayout() || d->inset_->usePlainLayout();
 665                 // if this inset requires the empty layout, we skip the default
 666                 // layout
 667                 if (name == d->text_class_->defaultLayoutName() && d->inset_ && useEmpty)
 668                         continue;
 669                 // if it doesn't require the empty layout, we skip it
 670                 if (name == d->text_class_->plainLayoutName() && d->inset_ && !useEmpty)
 671                         continue;
 672                 // obsoleted layouts are skipped as well
 673                 if (!lit->obsoleted_by().empty())
 674                         continue;
 675                 addItemSort(name, lit->category(), lyxrc.sort_layouts,
 676                                 lyxrc.group_layouts, lit->isUnknown());
 677         }
 678
 679         set(d->owner_.currentBufferView()->cursor().innerParagraph().layout().name());
 680         d->countCategories();
 681
 682         setMinimumWidth(sizeHint().width());
 683         setEnabled(!bv->buffer().isReadonly() &&
 684                 lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
 685 }
 686
 687
 688 void LayoutBox::selected(int index)
 689 {
 690         // get selection
 691         QModelIndex mindex = d->filterModel_->mapToSource(
 692                 d->filterModel_->index(index, 1));
 693         docstring layoutName = qstring_to_ucs4(
 694                 d->model_->itemFromIndex(mindex)->text());
 695         d->owner_.setFocus();
 696
 697         if (!d->text_class_) {
 698                 updateContents(false);
 699                 d->resetFilter();
 700                 return;
 701         }
 702
 703         // find corresponding text class
 704         if (d->text_class_->hasLayout(layoutName)) {
 705                 FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
 706                 lyx::dispatch(func);
 707                 updateContents(false);
 708                 d->resetFilter();
 709                 return;
 710         }
 711         LYXERR0("ERROR (layoutSelected): layout " << layoutName << " not found!");
 712 }
 713
 714
 715 QString const & LayoutBox::filter() const
 716 {
 717         return d->filter_;
 718 }
 719
 720 } // namespace frontend
 721 } // namespace lyx
 722
 723 #include "moc_LayoutBox.cpp"