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