src/frontends/qt4/GuiToolbar.cpp

   1 /**
   2  * \file qt4/GuiToolbar.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 "GuiView.h"
  19 #include "GuiCommandBuffer.h"
  20 #include "GuiToolbar.h"
  21 #include "LyXAction.h"
  22 #include "Action.h"
  23 #include "qt_helpers.h"
  24 #include "InsertTableWidget.h"
  25
  26 #include "Buffer.h"
  27 #include "BufferParams.h"
  28 #include "BufferView.h"
  29 #include "Cursor.h"
  30 #include "FuncRequest.h"
  31 #include "FuncStatus.h"
  32 #include "IconPalette.h"
  33 #include "Layout.h"
  34 #include "LyXFunc.h"
  35 #include "LyXRC.h"
  36 #include "Paragraph.h"
  37 #include "TextClass.h"
  38 #include "ToolbarBackend.h"
  39
  40 #include "support/debug.h"
  41 #include "support/filetools.h"
  42 #include "support/gettext.h"
  43 #include "support/lstrings.h"
  44 #include "support/lyxalgo.h" // sorted
  45
  46 #include <QAbstractItemDelegate>
  47 #include <QAbstractTextDocumentLayout>
  48 #include <QApplication>
  49 #include <QComboBox>
  50 #include <QFontMetrics>
  51 #include <QHeaderView>
  52 #include <QItemDelegate>
  53 #include <QKeyEvent>
  54 #include <QList>
  55 #include <QListView>
  56 #include <QPainter>
  57 #include <QPixmap>
  58 #include <QSortFilterProxyModel>
  59 #include <QStandardItem>
  60 #include <QStandardItemModel>
  61 #include <QTextDocument>
  62 #include <QTextFrame>
  63 #include <QToolBar>
  64 #include <QToolButton>
  65 #include <QVariant>
  66
  67 #include <boost/assert.hpp>
  68
  69 #include <map>
  70 #include <vector>
  71
  72 using namespace std;
  73 using namespace lyx::support;
  74
  75 static void initializeResources()
  76 {
  77         static bool initialized = false;
  78         if (!initialized) {
  79                 Q_INIT_RESOURCE(Resources);
  80                 initialized = true;
  81         }
  82 }
  83
  84
  85 namespace lyx {
  86 namespace frontend {
  87
  88 namespace {
  89
  90 struct PngMap {
  91         QString key;
  92         QString value;
  93 };
  94
  95
  96 bool operator<(PngMap const & lhs, PngMap const & rhs)
  97 {
  98                 return lhs.key < rhs.key;
  99 }
 100
 101
 102 class CompareKey {
 103 public:
 104         CompareKey(QString const & name) : name_(name) {}
 105         bool operator()(PngMap const & other) const { return other.key == name_; }
 106 private:
 107         QString const name_;
 108 };
 109
 110
 111 PngMap sorted_png_map[] = {
 112         { "Bumpeq", "bumpeq2" },
 113         { "Cap", "cap2" },
 114         { "Cup", "cup2" },
 115         { "Delta", "delta2" },
 116         { "Downarrow", "downarrow2" },
 117         { "Gamma", "gamma2" },
 118         { "Lambda", "lambda2" },
 119         { "Leftarrow", "leftarrow2" },
 120         { "Leftrightarrow", "leftrightarrow2" },
 121         { "Longleftarrow", "longleftarrow2" },
 122         { "Longleftrightarrow", "longleftrightarrow2" },
 123         { "Longrightarrow", "longrightarrow2" },
 124         { "Omega", "omega2" },
 125         { "Phi", "phi2" },
 126         { "Pi", "pi2" },
 127         { "Psi", "psi2" },
 128         { "Rightarrow", "rightarrow2" },
 129         { "Sigma", "sigma2" },
 130         { "Subset", "subset2" },
 131         { "Supset", "supset2" },
 132         { "Theta", "theta2" },
 133         { "Uparrow", "uparrow2" },
 134         { "Updownarrow", "updownarrow2" },
 135         { "Upsilon", "upsilon2" },
 136         { "Vdash", "vdash3" },
 137         { "Xi", "xi2" },
 138         { "nLeftarrow", "nleftarrow2" },
 139         { "nLeftrightarrow", "nleftrightarrow2" },
 140         { "nRightarrow", "nrightarrow2" },
 141         { "nVDash", "nvdash3" },
 142         { "nvDash", "nvdash2" },
 143         { "textrm \\AA", "textrm_AA"},
 144         { "textrm \\O", "textrm_O"},
 145         { "vDash", "vdash2" }
 146 };
 147
 148 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
 149
 150
 151 QString findPng(QString const & name)
 152 {
 153         PngMap const * const begin = sorted_png_map;
 154         PngMap const * const end = begin + nr_sorted_png_map;
 155         BOOST_ASSERT(sorted(begin, end));
 156
 157         PngMap const * const it = find_if(begin, end, CompareKey(name));
 158
 159         QString png_name;
 160         if (it != end) {
 161                 png_name = it->value;
 162         } else {
 163                 png_name = name;
 164                 png_name.replace('_', "underscore");
 165                 png_name.replace(' ', '_');
 166
 167                 // This way we can have "math-delim { }" on the toolbar.
 168                 png_name.replace('(', "lparen");
 169                 png_name.replace(')', "rparen");
 170                 png_name.replace('[', "lbracket");
 171                 png_name.replace(']', "rbracket");
 172                 png_name.replace('{', "lbrace");
 173                 png_name.replace('}', "rbrace");
 174                 png_name.replace('|', "bars");
 175                 png_name.replace(',', "thinspace");
 176                 png_name.replace(':', "mediumspace");
 177                 png_name.replace(';', "thickspace");
 178                 png_name.replace('!', "negthinspace");
 179         }
 180
 181         LYXERR(Debug::GUI, "findPng(" << fromqstr(name) << ")\n"
 182                 << "Looking for math PNG called \"" << fromqstr(png_name) << '"');
 183         return png_name;
 184 }
 185
 186 } // namespace anon
 187
 188
 189 /// return a icon for the given action
 190 static QIcon getIcon(FuncRequest const & f, bool unknown)
 191 {
 192         initializeResources();
 193         QPixmap pm;
 194         QString name1;
 195         QString name2;
 196         QString path;
 197         switch (f.action) {
 198         case LFUN_MATH_INSERT:
 199                 if (!f.argument().empty()) {
 200                         path = "math/";
 201                         name1 = findPng(toqstr(f.argument()).mid(1));
 202                 }
 203                 break;
 204         case LFUN_MATH_DELIM:
 205         case LFUN_MATH_BIGDELIM:
 206                 path = "math/";
 207                 name1 = findPng(toqstr(f.argument()));
 208                 break;
 209         case LFUN_CALL:
 210                 path = "commands/";
 211                 name1 = toqstr(f.argument());
 212                 break;
 213         default:
 214                 name2 = toqstr(lyxaction.getActionName(f.action));
 215                 name1 = name2;
 216
 217                 if (!f.argument().empty()) {
 218                         name1 = name2 + ' ' + toqstr(f.argument());
 219                         name1.replace(' ', '_');
 220                 }
 221         }
 222
 223         string fullname = libFileSearch("images/" + path, name1, "png").absFilename();
 224         if (pm.load(toqstr(fullname)))
 225                 return pm;
 226
 227         fullname = libFileSearch("images/" + path, name2, "png").absFilename();
 228         if (pm.load(toqstr(fullname)))
 229                 return pm;
 230
 231         if (pm.load(":/images/" + path + name1 + ".png"))
 232                 return pm;
 233
 234         if (pm.load(":/images/" + path + name2 + ".png"))
 235                 return pm;
 236
 237         LYXERR(Debug::GUI, "Cannot find icon for command \""
 238                            << lyxaction.getActionName(f.action)
 239                            << '(' << to_utf8(f.argument()) << ")\"");
 240         if (unknown)
 241                 pm.load(":/images/unknown.png");
 242
 243         return pm;
 244 }
 245
 246
 247 /////////////////////////////////////////////////////////////////////
 248 //
 249 // GuiLayoutBox
 250 //
 251 /////////////////////////////////////////////////////////////////////
 252
 253 class LayoutItemDelegate : public QItemDelegate {
 254 public:
 255         ///
 256         explicit LayoutItemDelegate(QObject * parent = 0)
 257                 : QItemDelegate(parent)
 258         {}
 259
 260         ///
 261         void paint(QPainter * painter, QStyleOptionViewItem const & option,
 262                 QModelIndex const & index) const
 263         {
 264                 QStyleOptionViewItem opt = option;
 265
 266                 // default background
 267                 painter->fillRect(opt.rect, opt.palette.color(QPalette::Base));
 268
 269                 // category header?
 270                 if (lyxrc.group_layouts) {
 271                         QSortFilterProxyModel const * model
 272                         = static_cast<QSortFilterProxyModel const *>(index.model());
 273
 274                         QString stdCat = category(*model->sourceModel(), 0);
 275                         QString cat = category(*index.model(), index.row());
 276
 277                         // not the standard layout and not the same as in the previous line?
 278                         if (stdCat != cat
 279                             && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 280                                 painter->save();
 281
 282                                 // draw unselected background
 283                                 QStyle::State state = opt.state;
 284                                 opt.state = opt.state & ~QStyle::State_Selected;
 285                                 drawBackground(painter, opt, index);
 286                                 opt.state = state;
 287
 288                                 // draw category header
 289                                 drawCategoryHeader(painter, opt,
 290                                         category(*index.model(), index.row()));
 291
 292                                 // move rect down below header
 293                                 opt.rect.setTop(opt.rect.top() + headerHeight(opt));
 294
 295                                 painter->restore();
 296                         }
 297                 }
 298
 299                 QItemDelegate::paint(painter, opt, index);
 300         }
 301
 302         ///
 303         void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
 304                          const QRect & /*rect*/, const QString & text ) const
 305         {
 306                 QString utext = underlineFilter(text);
 307
 308                 // Draw the rich text.
 309                 painter->save();
 310                 QColor col = opt.palette.text().color();
 311                 if (opt.state & QStyle::State_Selected)
 312                         col = opt.palette.highlightedText().color();
 313                 QAbstractTextDocumentLayout::PaintContext context;
 314                 context.palette.setColor(QPalette::Text, col);
 315
 316                 QTextDocument doc;
 317                 doc.setDefaultFont(opt.font);
 318                 doc.setHtml(utext);
 319
 320                 QTextFrameFormat fmt = doc.rootFrame()->frameFormat();
 321                 fmt.setMargin(0);
 322                 doc.rootFrame()->setFrameFormat(fmt);
 323
 324                 painter->translate(opt.rect.x() + 5,
 325                         opt.rect.y() + (opt.rect.height() - opt.fontMetrics.height()) / 2);
 326                 doc.documentLayout()->draw(painter, context);
 327                 painter->restore();
 328         }
 329
 330         ///
 331         QSize sizeHint(QStyleOptionViewItem const & opt,
 332                 QModelIndex const & index) const
 333         {
 334                 GuiLayoutBox * combo = static_cast<GuiLayoutBox *>(parent());
 335                 QSortFilterProxyModel const * model
 336                 = static_cast<QSortFilterProxyModel const *>(index.model());
 337                 QSize size = QItemDelegate::sizeHint(opt, index);
 338
 339                 /// QComboBox uses the first row height to estimate the
 340                 /// complete popup height during QComboBox::showPopup().
 341                 /// To avoid scrolling we have to sneak in space for the headers.
 342                 /// So we tweak this value accordingly. It's not nice, but the
 343                 /// only possible way it seems.
 344                 if (lyxrc.group_layouts && index.row() == 0 && combo->inShowPopup_) {
 345                         int itemHeight = size.height();
 346
 347                         // we have to show \c cats many headers:
 348                         unsigned cats = combo->visibleCategories_;
 349
 350                         // and we have \c n items to distribute the needed space over
 351                         unsigned n = combo->model()->rowCount();
 352
 353                         // so the needed average height (rounded upwards) is:
 354                         size.setHeight((headerHeight(opt) * cats + itemHeight * n + n - 1) / n);
 355                         return size;
 356                 }
 357
 358                 // Add space for the category headers here?
 359                 // Not for the standard layout though.
 360                 QString stdCat = category(*model->sourceModel(), 0);
 361                 QString cat = category(*index.model(), index.row());
 362                 if (lyxrc.group_layouts && stdCat != cat
 363                     && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 364                         size.setHeight(size.height() + headerHeight(opt));
 365                 }
 366
 367                 return size;
 368         }
 369
 370 private:
 371         ///
 372         QString category(QAbstractItemModel const & model, int row) const
 373         {
 374                 return model.data(model.index(row, 2), Qt::DisplayRole).toString();
 375         }
 376
 377         ///
 378         int headerHeight(QStyleOptionViewItem const & opt) const
 379         {
 380                 return opt.fontMetrics.height() * 8 / 10;
 381         }
 382         ///
 383         void drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
 384                 QString const & category) const
 385         {
 386                 // slightly blended color
 387                 QColor lcol = opt.palette.text().color();
 388                 lcol.setAlpha(127);
 389                 painter->setPen(lcol);
 390
 391                 // set 80% scaled, bold font
 392                 QFont font = opt.font;
 393                 font.setBold(true);
 394                 font.setWeight(QFont::Black);
 395                 font.setPointSize(opt.font.pointSize() * 8 / 10);
 396                 painter->setFont(font);
 397
 398                 // draw the centered text
 399                 QFontMetrics fm(font);
 400                 int w = fm.width(category);
 401                 int x = opt.rect.x() + (opt.rect.width() - w) / 2;
 402                 int y = opt.rect.y() + fm.ascent();
 403                 int left = x;
 404                 int right = x + w;
 405                 painter->drawText(x, y, category);
 406
 407                 // the vertical position of the line: middle of lower case chars
 408                 int ymid = y - 1 - fm.xHeight() / 2; // -1 for the baseline
 409
 410                 // draw the horizontal line
 411                 if (!category.isEmpty()) {
 412                         painter->drawLine(opt.rect.x(), ymid, left - 1, ymid);
 413                         painter->drawLine(right + 1, ymid, opt.rect.right(), ymid);
 414                 } else
 415                         painter->drawLine(opt.rect.x(), ymid, opt.rect.right(), ymid);
 416         }
 417
 418
 419         ///
 420         QString underlineFilter(QString const & s) const
 421         {
 422                 // get filter
 423                 GuiLayoutBox * p = static_cast<GuiLayoutBox *>(parent());
 424                 QString const & f = p->filter();
 425                 if (f.isEmpty())
 426                         return s;
 427
 428                 // step through data item and put "(x)" for every matching character
 429                 QString r;
 430                 int lastp = -1;
 431                 p->filter();
 432                 for (int i = 0; i < f.length(); ++i) {
 433                         int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
 434                         BOOST_ASSERT(p != -1);
 435                         if (lastp == p - 1 && lastp != -1) {
 436                                 // remove ")" and append "x)"
 437                                 r = r.left(r.length() - 4) + s[p] + "</u>";
 438                         } else {
 439                                 // append "(x)"
 440                                 r += s.mid(lastp + 1, p - lastp - 1);
 441                                 r += QString("<u>") + s[p] + "</u>";
 442                         }
 443                         lastp = p;
 444                 }
 445                 r += s.mid(lastp + 1);
 446                 return r;
 447         }
 448 };
 449
 450
 451 class GuiLayoutFilterModel : public QSortFilterProxyModel {
 452 public:
 453         ///
 454         GuiLayoutFilterModel(QObject * parent = 0)
 455                 : QSortFilterProxyModel(parent)
 456         {}
 457
 458         ///
 459         void triggerLayoutChange()
 460         {
 461                 layoutAboutToBeChanged();
 462                 layoutChanged();
 463         }
 464 };
 465
 466
 467 GuiLayoutBox::GuiLayoutBox(GuiToolbar * bar, GuiView & owner)
 468         : owner_(owner), bar_(bar), lastSel_(-1),
 469           layoutItemDelegate_(new LayoutItemDelegate(this)),
 470           visibleCategories_(0), inShowPopup_(false)
 471 {
 472         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 473         setFocusPolicy(Qt::ClickFocus);
 474         setMinimumWidth(sizeHint().width());
 475         setMaxVisibleItems(100);
 476
 477         // set the layout model with two columns
 478         // 1st: translated layout names
 479         // 2nd: raw layout names
 480         model_ = new QStandardItemModel(0, 2, this);
 481         filterModel_ = new GuiLayoutFilterModel(this);
 482         filterModel_->setSourceModel(model_);
 483         setModel(filterModel_);
 484
 485         // for the filtering we have to intercept characters
 486         view()->installEventFilter(this);
 487         view()->setItemDelegateForColumn(0, layoutItemDelegate_);
 488
 489         QObject::connect(this, SIGNAL(activated(int)),
 490                 this, SLOT(selected(int)));
 491         QObject::connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 492                 this, SLOT(setIconSize(QSize)));
 493
 494         owner_.setLayoutDialog(this);
 495         updateContents(true);
 496 }
 497
 498
 499 void GuiLayoutBox::setFilter(QString const & s)
 500 {
 501         bool enabled = view()->updatesEnabled();
 502         view()->setUpdatesEnabled(false);
 503
 504         // remember old selection
 505         int sel = currentIndex();
 506         if (sel != -1)
 507                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 508
 509         filter_ = s;
 510         filterModel_->setFilterRegExp(charFilterRegExp(filter_));
 511         countCategories();
 512
 513         // restore old selection
 514         if (lastSel_ != -1) {
 515                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 516                 if (i.isValid())
 517                         setCurrentIndex(i.row());
 518         }
 519
 520         // Workaround to resize to content size
 521         // FIXME: There must be a better way. The QComboBox::AdjustToContents)
 522         //        does not help.
 523         if (view()->isVisible()) {
 524                 // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 525                 // the hack in the item delegate to make space for the headers.
 526                 // We do not call our implementation of showPopup because that
 527                 // would reset the filter again. This is only needed if the user clicks
 528                 // on the QComboBox.
 529                 BOOST_ASSERT(!inShowPopup_);
 530                 inShowPopup_ = true;
 531                 QComboBox::showPopup();
 532                 inShowPopup_ = false;
 533
 534                 // The item delegate hack is off again. So trigger a relayout of the popup.
 535                 filterModel_->triggerLayoutChange();
 536
 537                 if (!s.isEmpty())
 538                         owner_.message(_("Filtering layouts with \"" + fromqstr(s) + "\". "
 539                                          "Press ESC to remove filter."));
 540                 else
 541                         owner_.message(_("Enter characters to filter the layout list."));
 542         }
 543
 544         view()->setUpdatesEnabled(enabled);
 545 }
 546
 547
 548 void GuiLayoutBox::countCategories()
 549 {
 550         int n = filterModel_->rowCount();
 551         visibleCategories_ = 0;
 552         if (n == 0 || !lyxrc.group_layouts)
 553                 return;
 554
 555         // skip the "Standard" category
 556         QString prevCat = model_->index(0, 2).data().toString();
 557
 558         // count categories
 559         for (int i = 0; i < n; ++i) {
 560                 QString cat = filterModel_->index(i, 2).data().toString();
 561                 if (cat != prevCat)
 562                         ++visibleCategories_;
 563                 prevCat = cat;
 564         }
 565 }
 566
 567
 568 QString GuiLayoutBox::charFilterRegExp(QString const & filter)
 569 {
 570         QString re;
 571         for (int i = 0; i < filter.length(); ++i) {
 572                 QChar c = filter[i];
 573                 if (c.isLower())
 574                         re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
 575                 else
 576                         re += ".*" + QRegExp::escape(c);
 577         }
 578         return re;
 579 }
 580
 581
 582 void GuiLayoutBox::resetFilter()
 583 {
 584         setFilter(QString());
 585 }
 586
 587
 588 void GuiLayoutBox::showPopup()
 589 {
 590         owner_.message(_("Enter characters to filter the layout list."));
 591
 592         bool enabled = view()->updatesEnabled();
 593         view()->setUpdatesEnabled(false);
 594
 595         resetFilter();
 596
 597         // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 598         // the hack in the item delegate to make space for the headers.
 599         BOOST_ASSERT(!inShowPopup_);
 600         inShowPopup_ = true;
 601         QComboBox::showPopup();
 602         inShowPopup_ = false;
 603
 604         // The item delegate hack is off again. So trigger a relayout of the popup.
 605         filterModel_->triggerLayoutChange();
 606
 607         view()->setUpdatesEnabled(enabled);
 608 }
 609
 610
 611 bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
 612 {
 613         if (e->type() != QEvent::KeyPress)
 614                 return QComboBox::eventFilter(o, e);
 615
 616         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 617         bool modified = (ke->modifiers() == Qt::ControlModifier)
 618                 || (ke->modifiers() == Qt::AltModifier)
 619                 || (ke->modifiers() == Qt::MetaModifier);
 620
 621         switch (ke->key()) {
 622         case Qt::Key_Escape:
 623                 if (!modified && !filter_.isEmpty()) {
 624                         resetFilter();
 625                         return true;
 626                 }
 627                 break;
 628         case Qt::Key_Backspace:
 629                 if (!modified) {
 630                         // cut off one character
 631                         setFilter(filter_.left(filter_.length() - 1));
 632                 }
 633                 break;
 634         default:
 635                 if (modified || ke->text().isEmpty())
 636                         break;
 637                 // find chars for the filter string
 638                 QString s;
 639                 for (int i = 0; i < ke->text().length(); ++i) {
 640                         QChar c = ke->text()[i];
 641                         if (c.isLetterOrNumber()
 642                             || c.isSymbol()
 643                             || c.isPunct()
 644                             || c.category() == QChar::Separator_Space) {
 645                                 s += c;
 646                         }
 647                 }
 648                 if (!s.isEmpty()) {
 649                         // append new chars to the filter string
 650                         setFilter(filter_ + s);
 651                         return true;
 652                 }
 653                 break;
 654         }
 655
 656         return QComboBox::eventFilter(o, e);
 657 }
 658
 659
 660 void GuiLayoutBox::setIconSize(QSize size)
 661 {
 662         bool small = size.height() < 20;
 663         setAttribute(Qt::WA_MacSmallSize, small);
 664         setAttribute(Qt::WA_MacNormalSize, !small);
 665 }
 666
 667
 668 void GuiLayoutBox::set(docstring const & layout)
 669 {
 670         resetFilter();
 671
 672         if (!text_class_)
 673                 return;
 674
 675         QString const & name = toqstr((*text_class_)[layout].name());
 676         if (name == currentText())
 677                 return;
 678
 679         QList<QStandardItem *> r = model_->findItems(name, Qt::MatchExactly, 1);
 680         if (r.empty()) {
 681                 lyxerr << "Trying to select non existent layout type "
 682                         << fromqstr(name) << endl;
 683                 return;
 684         }
 685
 686         setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
 687 }
 688
 689
 690 void GuiLayoutBox::addItemSort(docstring const & item, docstring const & category,
 691         bool sorted, bool sortedByCat)
 692 {
 693         QString qitem = toqstr(item);
 694         QString titem = toqstr(translateIfPossible(item));
 695         QString qcat = toqstr(translateIfPossible(category));
 696
 697         QList<QStandardItem *> row;
 698         row.append(new QStandardItem(titem));
 699         row.append(new QStandardItem(qitem));
 700         row.append(new QStandardItem(qcat));
 701
 702         // the first entry is easy
 703         int const end = model_->rowCount();
 704         if (end == 0) {
 705                 model_->appendRow(row);
 706                 return;
 707         }
 708
 709         // find category
 710         int i = 0;
 711         if (sortedByCat) {
 712                 while (i < end && model_->item(i, 2)->text() != qcat)
 713                         ++i;
 714         }
 715
 716         // skip the Standard layout
 717         if (i == 0)
 718                 ++i;
 719
 720         // the simple unsorted case
 721         if (!sorted) {
 722                 if (sortedByCat) {
 723                         // jump to the end of the category group
 724                         while (i < end && model_->item(i, 2)->text() == qcat)
 725                                 ++i;
 726                         model_->insertRow(i, row);
 727                 } else
 728                         model_->appendRow(row);
 729                 return;
 730         }
 731
 732         // find row to insert the item, after the separator if it exists
 733         if (i < end) {
 734                 // find alphabetic position
 735                 while (i != end
 736                        && model_->item(i, 0)->text().compare(titem) < 0
 737                        && (!sortedByCat || model_->item(i, 2)->text() == qcat))
 738                         ++i;
 739         }
 740
 741         model_->insertRow(i, row);
 742 }
 743
 744
 745 void GuiLayoutBox::updateContents(bool reset)
 746 {
 747         resetFilter();
 748
 749         Buffer const * buffer = owner_.buffer();
 750         if (!buffer) {
 751                 model_->clear();
 752                 setEnabled(false);
 753                 text_class_ = 0;
 754                 inset_ = 0;
 755                 return;
 756         }
 757
 758         // we'll only update the layout list if the text class has changed
 759         // or we've moved from one inset to another
 760         DocumentClass const * text_class = &buffer->params().documentClass();
 761         Inset const * inset =
 762         owner_.view()->cursor().innerParagraph().inInset();
 763         if (!reset && text_class_ == text_class && inset_ == inset) {
 764                 set(owner_.view()->cursor().innerParagraph().layout().name());
 765                 return;
 766         }
 767
 768         inset_ = inset;
 769         text_class_ = text_class;
 770
 771         model_->clear();
 772         DocumentClass::const_iterator lit = text_class_->begin();
 773         DocumentClass::const_iterator len = text_class_->end();
 774         for (; lit != len; ++lit) {
 775                 docstring const & name = lit->name();
 776                 // if this inset requires the empty layout, we skip the default
 777                 // layout
 778                 if (name == text_class_->defaultLayoutName() && inset &&
 779                     (inset->forceEmptyLayout() || inset->useEmptyLayout()))
 780                         continue;
 781                 // if it doesn't require the empty layout, we skip it
 782                 if (name == text_class_->emptyLayoutName() && inset &&
 783                     !inset->forceEmptyLayout() && !inset->useEmptyLayout())
 784                         continue;
 785                 addItemSort(name, lit->category(), lyxrc.sort_layouts, lyxrc.group_layouts);
 786         }
 787
 788         set(owner_.view()->cursor().innerParagraph().layout().name());
 789         countCategories();
 790
 791         // needed to recalculate size hint
 792         hide();
 793         setMinimumWidth(sizeHint().width());
 794         setEnabled(!buffer->isReadonly());
 795         show();
 796 }
 797
 798
 799 void GuiLayoutBox::selected(int index)
 800 {
 801         // get selection
 802         QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
 803         docstring const layoutName =
 804                 qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
 805
 806         owner_.setFocus();
 807
 808         if (!text_class_) {
 809                 updateContents(false);
 810                 resetFilter();
 811                 return;
 812         }
 813
 814         // find corresponding text class
 815         if (text_class_->hasLayout(layoutName)) {
 816                 FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
 817                 theLyXFunc().setLyXView(&owner_);
 818                 lyx::dispatch(func);
 819                 updateContents(false);
 820                 resetFilter();
 821                 return;
 822         }
 823         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 824 }
 825
 826
 827
 828 /////////////////////////////////////////////////////////////////////
 829 //
 830 // GuiToolbar
 831 //
 832 /////////////////////////////////////////////////////////////////////
 833
 834
 835 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 836         : QToolBar(qt_(tbinfo.gui_name), &owner), owner_(owner),
 837           layout_(0), command_buffer_(0)
 838 {
 839         // give visual separation between adjacent toolbars
 840         addSeparator();
 841
 842         // TODO: save toolbar position
 843         setMovable(true);
 844
 845         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 846         ToolbarInfo::item_iterator end = tbinfo.items.end();
 847         for (; it != end; ++it)
 848                 add(*it);
 849 }
 850
 851
 852 Action * GuiToolbar::addItem(ToolbarItem const & item)
 853 {
 854         Action * act = new Action(&owner_, getIcon(item.func_, false),
 855                 toqstr(item.label_), item.func_, toqstr(item.label_), this);
 856         actions_.append(act);
 857         return act;
 858 }
 859
 860 namespace {
 861
 862 class PaletteButton : public QToolButton
 863 {
 864 private:
 865         GuiToolbar * bar_;
 866         ToolbarItem const & tbitem_;
 867         bool initialized_;
 868 public:
 869         PaletteButton(GuiToolbar * bar, ToolbarItem const & item)
 870                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 871         {
 872                 QString const label = qt_(to_ascii(tbitem_.label_));
 873                 setToolTip(label);
 874                 setStatusTip(label);
 875                 setText(label);
 876                 connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 877                         this, SLOT(setIconSize(QSize)));
 878                 setCheckable(true);
 879                 ToolbarInfo const * tbinfo =
 880                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 881                 if (tbinfo)
 882                         // use the icon of first action for the toolbar button
 883                         setIcon(getIcon(tbinfo->items.begin()->func_, true));
 884         }
 885
 886         void mousePressEvent(QMouseEvent * e)
 887         {
 888                 if (initialized_) {
 889                         QToolButton::mousePressEvent(e);
 890                         return;
 891                 }
 892
 893                 initialized_ = true;
 894
 895                 ToolbarInfo const * tbinfo =
 896                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 897                 if (!tbinfo) {
 898                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 899                         return;
 900                 }
 901                 IconPalette * panel = new IconPalette(this);
 902                 QString const label = qt_(to_ascii(tbitem_.label_));
 903                 panel->setWindowTitle(label);
 904                 connect(this, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 905                 connect(panel, SIGNAL(visible(bool)), this, SLOT(setChecked(bool)));
 906                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 907                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 908                 for (; it != end; ++it)
 909                         if (!getStatus(it->func_).unknown())
 910                                 panel->addButton(bar_->addItem(*it));
 911
 912                 QToolButton::mousePressEvent(e);
 913         }
 914 };
 915
 916 class MenuButton : public QToolButton
 917 {
 918 private:
 919         GuiToolbar * bar_;
 920         ToolbarItem const & tbitem_;
 921         bool initialized_;
 922 public:
 923         MenuButton(GuiToolbar * bar, ToolbarItem const & item)
 924                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 925         {
 926                 setPopupMode(QToolButton::InstantPopup);
 927                 QString const label = qt_(to_ascii(tbitem_.label_));
 928                 setToolTip(label);
 929                 setStatusTip(label);
 930                 setText(label);
 931                 setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
 932                 connect(bar, SIGNAL(iconSizeChanged(QSize)),
 933                         this, SLOT(setIconSize(QSize)));
 934         }
 935
 936         void mousePressEvent(QMouseEvent * e)
 937         {
 938                 if (initialized_) {
 939                         QToolButton::mousePressEvent(e);
 940                         return;
 941                 }
 942
 943                 initialized_ = true;
 944
 945                 QString const label = qt_(to_ascii(tbitem_.label_));
 946                 ButtonMenu * m = new ButtonMenu(label, this);
 947                 m->setWindowTitle(label);
 948                 m->setTearOffEnabled(true);
 949                 connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
 950                 ToolbarInfo const * tbinfo =
 951                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 952                 if (!tbinfo) {
 953                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 954                         return;
 955                 }
 956                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 957                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 958                 for (; it != end; ++it)
 959                         if (!getStatus(it->func_).unknown())
 960                                 m->add(bar_->addItem(*it));
 961                 setMenu(m);
 962
 963                 QToolButton::mousePressEvent(e);
 964         }
 965 };
 966
 967 }
 968
 969
 970 void GuiToolbar::add(ToolbarItem const & item)
 971 {
 972         switch (item.type_) {
 973         case ToolbarItem::SEPARATOR:
 974                 addSeparator();
 975                 break;
 976         case ToolbarItem::LAYOUTS:
 977                 layout_ = new GuiLayoutBox(this, owner_);
 978                 addWidget(layout_);
 979                 break;
 980         case ToolbarItem::MINIBUFFER:
 981                 command_buffer_ = new GuiCommandBuffer(&owner_);
 982                 addWidget(command_buffer_);
 983                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
 984                 //setHorizontalStretchable(true);
 985                 break;
 986         case ToolbarItem::TABLEINSERT: {
 987                 QToolButton * tb = new QToolButton;
 988                 tb->setCheckable(true);
 989                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
 990                 QString const label = qt_(to_ascii(item.label_));
 991                 tb->setToolTip(label);
 992                 tb->setStatusTip(label);
 993                 tb->setText(label);
 994                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
 995                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
 996                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
 997                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
 998                 addWidget(tb);
 999                 break;
1000                 }
1001         case ToolbarItem::ICONPALETTE:
1002                 addWidget(new PaletteButton(this, item));
1003                 break;
1004
1005         case ToolbarItem::POPUPMENU: {
1006                 addWidget(new MenuButton(this, item));
1007                 break;
1008                 }
1009         case ToolbarItem::COMMAND: {
1010                 if (!getStatus(item.func_).unknown())
1011                         addAction(addItem(item));
1012                 break;
1013                 }
1014         default:
1015                 break;
1016         }
1017 }
1018
1019
1020 void GuiToolbar::saveInfo(ToolbarSection::ToolbarInfo & tbinfo)
1021 {
1022         // if tbinfo.state == auto *do not* set on/off
1023         if (tbinfo.state != ToolbarSection::ToolbarInfo::AUTO) {
1024                 if (GuiToolbar::isVisible())
1025                         tbinfo.state = ToolbarSection::ToolbarInfo::ON;
1026                 else
1027                         tbinfo.state = ToolbarSection::ToolbarInfo::OFF;
1028         }
1029         //
1030         // no need to save it here.
1031         Qt::ToolBarArea loc = owner_.toolBarArea(this);
1032
1033         if (loc == Qt::TopToolBarArea)
1034                 tbinfo.location = ToolbarSection::ToolbarInfo::TOP;
1035         else if (loc == Qt::BottomToolBarArea)
1036                 tbinfo.location = ToolbarSection::ToolbarInfo::BOTTOM;
1037         else if (loc == Qt::RightToolBarArea)
1038                 tbinfo.location = ToolbarSection::ToolbarInfo::RIGHT;
1039         else if (loc == Qt::LeftToolBarArea)
1040                 tbinfo.location = ToolbarSection::ToolbarInfo::LEFT;
1041         else
1042                 tbinfo.location = ToolbarSection::ToolbarInfo::NOTSET;
1043
1044         // save toolbar position. They are not used to restore toolbar position
1045         // now because move(x,y) does not work for toolbar.
1046         tbinfo.posx = pos().x();
1047         tbinfo.posy = pos().y();
1048 }
1049
1050
1051 void GuiToolbar::updateContents()
1052 {
1053         // update visible toolbars only
1054         if (!isVisible())
1055                 return;
1056         // This is a speed bottleneck because this is called on every keypress
1057         // and update calls getStatus, which copies the cursor at least two times
1058         for (int i = 0; i < actions_.size(); ++i)
1059                 actions_[i]->update();
1060
1061         if (layout_)
1062                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
1063
1064         // emit signal
1065         updated();
1066 }
1067
1068
1069 } // namespace frontend
1070 } // namespace lyx
1071
1072 #include "GuiToolbar_moc.cpp"