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         { "Vert", "vert2" }
 147 };
 148
 149 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
 150
 151
 152 QString findPng(QString const & name)
 153 {
 154         PngMap const * const begin = sorted_png_map;
 155         PngMap const * const end = begin + nr_sorted_png_map;
 156         BOOST_ASSERT(sorted(begin, end));
 157
 158         PngMap const * const it = find_if(begin, end, CompareKey(name));
 159
 160         QString png_name;
 161         if (it != end) {
 162                 png_name = it->value;
 163         } else {
 164                 png_name = name;
 165                 png_name.replace('_', "underscore");
 166                 png_name.replace(' ', '_');
 167
 168                 // This way we can have "math-delim { }" on the toolbar.
 169                 png_name.replace('(', "lparen");
 170                 png_name.replace(')', "rparen");
 171                 png_name.replace('[', "lbracket");
 172                 png_name.replace(']', "rbracket");
 173                 png_name.replace('{', "lbrace");
 174                 png_name.replace('}', "rbrace");
 175                 png_name.replace('|', "bars");
 176                 png_name.replace(',', "thinspace");
 177                 png_name.replace(':', "mediumspace");
 178                 png_name.replace(';', "thickspace");
 179                 png_name.replace('!', "negthinspace");
 180         }
 181
 182         LYXERR(Debug::GUI, "findPng(" << fromqstr(name) << ")\n"
 183                 << "Looking for math PNG called \"" << fromqstr(png_name) << '"');
 184         return png_name;
 185 }
 186
 187 } // namespace anon
 188
 189
 190 /// return a icon for the given action
 191 static QIcon getIcon(FuncRequest const & f, bool unknown)
 192 {
 193         initializeResources();
 194         QPixmap pm;
 195         QString name1;
 196         QString name2;
 197         QString path;
 198         switch (f.action) {
 199         case LFUN_MATH_INSERT:
 200                 if (!f.argument().empty()) {
 201                         path = "math/";
 202                         name1 = findPng(toqstr(f.argument()).mid(1));
 203                 }
 204                 break;
 205         case LFUN_MATH_DELIM:
 206         case LFUN_MATH_BIGDELIM:
 207                 path = "math/";
 208                 name1 = findPng(toqstr(f.argument()));
 209                 break;
 210         case LFUN_CALL:
 211                 path = "commands/";
 212                 name1 = toqstr(f.argument());
 213                 break;
 214         default:
 215                 name2 = toqstr(lyxaction.getActionName(f.action));
 216                 name1 = name2;
 217
 218                 if (!f.argument().empty()) {
 219                         name1 = name2 + ' ' + toqstr(f.argument());
 220                         name1.replace(' ', '_');
 221                 }
 222         }
 223
 224         string fullname = libFileSearch("images/" + path, name1, "png").absFilename();
 225         if (pm.load(toqstr(fullname)))
 226                 return pm;
 227
 228         fullname = libFileSearch("images/" + path, name2, "png").absFilename();
 229         if (pm.load(toqstr(fullname)))
 230                 return pm;
 231
 232         if (pm.load(":/images/" + path + name1 + ".png"))
 233                 return pm;
 234
 235         if (pm.load(":/images/" + path + name2 + ".png"))
 236                 return pm;
 237
 238         LYXERR(Debug::GUI, "Cannot find icon for command \""
 239                            << lyxaction.getActionName(f.action)
 240                            << '(' << to_utf8(f.argument()) << ")\"");
 241         if (unknown)
 242                 pm.load(":/images/unknown.png");
 243
 244         return pm;
 245 }
 246
 247
 248 /////////////////////////////////////////////////////////////////////
 249 //
 250 // GuiLayoutBox
 251 //
 252 /////////////////////////////////////////////////////////////////////
 253
 254 class LayoutItemDelegate : public QItemDelegate {
 255 public:
 256         ///
 257         explicit LayoutItemDelegate(QObject * parent = 0)
 258                 : QItemDelegate(parent)
 259         {}
 260
 261         ///
 262         void paint(QPainter * painter, QStyleOptionViewItem const & option,
 263                 QModelIndex const & index) const
 264         {
 265                 QStyleOptionViewItem opt = option;
 266
 267                 // default background
 268                 painter->fillRect(opt.rect, opt.palette.color(QPalette::Base));
 269
 270                 // category header?
 271                 if (lyxrc.group_layouts) {
 272                         QSortFilterProxyModel const * model
 273                         = static_cast<QSortFilterProxyModel const *>(index.model());
 274
 275                         QString stdCat = category(*model->sourceModel(), 0);
 276                         QString cat = category(*index.model(), index.row());
 277
 278                         // not the standard layout and not the same as in the previous line?
 279                         if (stdCat != cat
 280                             && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 281                                 painter->save();
 282
 283                                 // draw unselected background
 284                                 QStyle::State state = opt.state;
 285                                 opt.state = opt.state & ~QStyle::State_Selected;
 286                                 drawBackground(painter, opt, index);
 287                                 opt.state = state;
 288
 289                                 // draw category header
 290                                 drawCategoryHeader(painter, opt,
 291                                         category(*index.model(), index.row()));
 292
 293                                 // move rect down below header
 294                                 opt.rect.setTop(opt.rect.top() + headerHeight(opt));
 295
 296                                 painter->restore();
 297                         }
 298                 }
 299
 300                 QItemDelegate::paint(painter, opt, index);
 301         }
 302
 303         ///
 304         void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
 305                          const QRect & /*rect*/, const QString & text ) const
 306         {
 307                 QString utext = underlineFilter(text);
 308
 309                 // Draw the rich text.
 310                 painter->save();
 311                 QColor col = opt.palette.text().color();
 312                 if (opt.state & QStyle::State_Selected)
 313                         col = opt.palette.highlightedText().color();
 314                 QAbstractTextDocumentLayout::PaintContext context;
 315                 context.palette.setColor(QPalette::Text, col);
 316
 317                 QTextDocument doc;
 318                 doc.setDefaultFont(opt.font);
 319                 doc.setHtml(utext);
 320
 321                 QTextFrameFormat fmt = doc.rootFrame()->frameFormat();
 322                 fmt.setMargin(0);
 323                 doc.rootFrame()->setFrameFormat(fmt);
 324
 325                 painter->translate(opt.rect.x() + 5,
 326                         opt.rect.y() + (opt.rect.height() - opt.fontMetrics.height()) / 2);
 327                 doc.documentLayout()->draw(painter, context);
 328                 painter->restore();
 329         }
 330
 331         ///
 332         QSize sizeHint(QStyleOptionViewItem const & opt,
 333                 QModelIndex const & index) const
 334         {
 335                 GuiLayoutBox * combo = static_cast<GuiLayoutBox *>(parent());
 336                 QSortFilterProxyModel const * model
 337                 = static_cast<QSortFilterProxyModel const *>(index.model());
 338                 QSize size = QItemDelegate::sizeHint(opt, index);
 339
 340                 /// QComboBox uses the first row height to estimate the
 341                 /// complete popup height during QComboBox::showPopup().
 342                 /// To avoid scrolling we have to sneak in space for the headers.
 343                 /// So we tweak this value accordingly. It's not nice, but the
 344                 /// only possible way it seems.
 345                 if (lyxrc.group_layouts && index.row() == 0 && combo->inShowPopup_) {
 346                         int itemHeight = size.height();
 347
 348                         // we have to show \c cats many headers:
 349                         unsigned cats = combo->visibleCategories_;
 350
 351                         // and we have \c n items to distribute the needed space over
 352                         unsigned n = combo->model()->rowCount();
 353
 354                         // so the needed average height (rounded upwards) is:
 355                         size.setHeight((headerHeight(opt) * cats + itemHeight * n + n - 1) / n);
 356                         return size;
 357                 }
 358
 359                 // Add space for the category headers here?
 360                 // Not for the standard layout though.
 361                 QString stdCat = category(*model->sourceModel(), 0);
 362                 QString cat = category(*index.model(), index.row());
 363                 if (lyxrc.group_layouts && stdCat != cat
 364                     && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 365                         size.setHeight(size.height() + headerHeight(opt));
 366                 }
 367
 368                 return size;
 369         }
 370
 371 private:
 372         ///
 373         QString category(QAbstractItemModel const & model, int row) const
 374         {
 375                 return model.data(model.index(row, 2), Qt::DisplayRole).toString();
 376         }
 377
 378         ///
 379         int headerHeight(QStyleOptionViewItem const & opt) const
 380         {
 381                 return opt.fontMetrics.height() * 8 / 10;
 382         }
 383         ///
 384         void drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
 385                 QString const & category) const
 386         {
 387                 // slightly blended color
 388                 QColor lcol = opt.palette.text().color();
 389                 lcol.setAlpha(127);
 390                 painter->setPen(lcol);
 391
 392                 // set 80% scaled, bold font
 393                 QFont font = opt.font;
 394                 font.setBold(true);
 395                 font.setWeight(QFont::Black);
 396                 font.setPointSize(opt.font.pointSize() * 8 / 10);
 397                 painter->setFont(font);
 398
 399                 // draw the centered text
 400                 QFontMetrics fm(font);
 401                 int w = fm.width(category);
 402                 int x = opt.rect.x() + (opt.rect.width() - w) / 2;
 403                 int y = opt.rect.y() + fm.ascent();
 404                 int left = x;
 405                 int right = x + w;
 406                 painter->drawText(x, y, category);
 407
 408                 // the vertical position of the line: middle of lower case chars
 409                 int ymid = y - 1 - fm.xHeight() / 2; // -1 for the baseline
 410
 411                 // draw the horizontal line
 412                 if (!category.isEmpty()) {
 413                         painter->drawLine(opt.rect.x(), ymid, left - 1, ymid);
 414                         painter->drawLine(right + 1, ymid, opt.rect.right(), ymid);
 415                 } else
 416                         painter->drawLine(opt.rect.x(), ymid, opt.rect.right(), ymid);
 417         }
 418
 419
 420         ///
 421         QString underlineFilter(QString const & s) const
 422         {
 423                 // get filter
 424                 GuiLayoutBox * p = static_cast<GuiLayoutBox *>(parent());
 425                 QString const & f = p->filter();
 426                 if (f.isEmpty())
 427                         return s;
 428
 429                 // step through data item and put "(x)" for every matching character
 430                 QString r;
 431                 int lastp = -1;
 432                 p->filter();
 433                 for (int i = 0; i < f.length(); ++i) {
 434                         int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
 435                         BOOST_ASSERT(p != -1);
 436                         if (lastp == p - 1 && lastp != -1) {
 437                                 // remove ")" and append "x)"
 438                                 r = r.left(r.length() - 4) + s[p] + "</u>";
 439                         } else {
 440                                 // append "(x)"
 441                                 r += s.mid(lastp + 1, p - lastp - 1);
 442                                 r += QString("<u>") + s[p] + "</u>";
 443                         }
 444                         lastp = p;
 445                 }
 446                 r += s.mid(lastp + 1);
 447                 return r;
 448         }
 449 };
 450
 451
 452 class GuiLayoutFilterModel : public QSortFilterProxyModel {
 453 public:
 454         ///
 455         GuiLayoutFilterModel(QObject * parent = 0)
 456                 : QSortFilterProxyModel(parent)
 457         {}
 458
 459         ///
 460         void triggerLayoutChange()
 461         {
 462                 layoutAboutToBeChanged();
 463                 layoutChanged();
 464         }
 465 };
 466
 467
 468 GuiLayoutBox::GuiLayoutBox(GuiToolbar * bar, GuiView & owner)
 469         : owner_(owner), bar_(bar), lastSel_(-1),
 470           layoutItemDelegate_(new LayoutItemDelegate(this)),
 471           visibleCategories_(0), inShowPopup_(false)
 472 {
 473         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 474         setFocusPolicy(Qt::ClickFocus);
 475         setMinimumWidth(sizeHint().width());
 476         setMaxVisibleItems(100);
 477
 478         // set the layout model with two columns
 479         // 1st: translated layout names
 480         // 2nd: raw layout names
 481         model_ = new QStandardItemModel(0, 2, this);
 482         filterModel_ = new GuiLayoutFilterModel(this);
 483         filterModel_->setSourceModel(model_);
 484         setModel(filterModel_);
 485
 486         // for the filtering we have to intercept characters
 487         view()->installEventFilter(this);
 488         view()->setItemDelegateForColumn(0, layoutItemDelegate_);
 489
 490         QObject::connect(this, SIGNAL(activated(int)),
 491                 this, SLOT(selected(int)));
 492         QObject::connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 493                 this, SLOT(setIconSize(QSize)));
 494
 495         owner_.setLayoutDialog(this);
 496         updateContents(true);
 497 }
 498
 499
 500 void GuiLayoutBox::setFilter(QString const & s)
 501 {
 502         bool enabled = view()->updatesEnabled();
 503         view()->setUpdatesEnabled(false);
 504
 505         // remember old selection
 506         int sel = currentIndex();
 507         if (sel != -1)
 508                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 509
 510         filter_ = s;
 511         filterModel_->setFilterRegExp(charFilterRegExp(filter_));
 512         countCategories();
 513
 514         // restore old selection
 515         if (lastSel_ != -1) {
 516                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 517                 if (i.isValid())
 518                         setCurrentIndex(i.row());
 519         }
 520
 521         // Workaround to resize to content size
 522         // FIXME: There must be a better way. The QComboBox::AdjustToContents)
 523         //        does not help.
 524         if (view()->isVisible()) {
 525                 // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 526                 // the hack in the item delegate to make space for the headers.
 527                 // We do not call our implementation of showPopup because that
 528                 // would reset the filter again. This is only needed if the user clicks
 529                 // on the QComboBox.
 530                 BOOST_ASSERT(!inShowPopup_);
 531                 inShowPopup_ = true;
 532                 QComboBox::showPopup();
 533                 inShowPopup_ = false;
 534
 535                 // The item delegate hack is off again. So trigger a relayout of the popup.
 536                 filterModel_->triggerLayoutChange();
 537
 538                 if (!s.isEmpty())
 539                         owner_.message(_("Filtering layouts with \"" + fromqstr(s) + "\". "
 540                                          "Press ESC to remove filter."));
 541                 else
 542                         owner_.message(_("Enter characters to filter the layout list."));
 543         }
 544
 545         view()->setUpdatesEnabled(enabled);
 546 }
 547
 548
 549 void GuiLayoutBox::countCategories()
 550 {
 551         int n = filterModel_->rowCount();
 552         visibleCategories_ = 0;
 553         if (n == 0 || !lyxrc.group_layouts)
 554                 return;
 555
 556         // skip the "Standard" category
 557         QString prevCat = model_->index(0, 2).data().toString();
 558
 559         // count categories
 560         for (int i = 0; i < n; ++i) {
 561                 QString cat = filterModel_->index(i, 2).data().toString();
 562                 if (cat != prevCat)
 563                         ++visibleCategories_;
 564                 prevCat = cat;
 565         }
 566 }
 567
 568
 569 QString GuiLayoutBox::charFilterRegExp(QString const & filter)
 570 {
 571         QString re;
 572         for (int i = 0; i < filter.length(); ++i) {
 573                 QChar c = filter[i];
 574                 if (c.isLower())
 575                         re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
 576                 else
 577                         re += ".*" + QRegExp::escape(c);
 578         }
 579         return re;
 580 }
 581
 582
 583 void GuiLayoutBox::resetFilter()
 584 {
 585         setFilter(QString());
 586 }
 587
 588
 589 void GuiLayoutBox::showPopup()
 590 {
 591         owner_.message(_("Enter characters to filter the layout list."));
 592
 593         bool enabled = view()->updatesEnabled();
 594         view()->setUpdatesEnabled(false);
 595
 596         resetFilter();
 597
 598         // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 599         // the hack in the item delegate to make space for the headers.
 600         BOOST_ASSERT(!inShowPopup_);
 601         inShowPopup_ = true;
 602         QComboBox::showPopup();
 603         inShowPopup_ = false;
 604
 605         // The item delegate hack is off again. So trigger a relayout of the popup.
 606         filterModel_->triggerLayoutChange();
 607
 608         view()->setUpdatesEnabled(enabled);
 609 }
 610
 611
 612 bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
 613 {
 614         if (e->type() != QEvent::KeyPress)
 615                 return QComboBox::eventFilter(o, e);
 616
 617         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 618         bool modified = (ke->modifiers() == Qt::ControlModifier)
 619                 || (ke->modifiers() == Qt::AltModifier)
 620                 || (ke->modifiers() == Qt::MetaModifier);
 621
 622         switch (ke->key()) {
 623         case Qt::Key_Escape:
 624                 if (!modified && !filter_.isEmpty()) {
 625                         resetFilter();
 626                         return true;
 627                 }
 628                 break;
 629         case Qt::Key_Backspace:
 630                 if (!modified) {
 631                         // cut off one character
 632                         setFilter(filter_.left(filter_.length() - 1));
 633                 }
 634                 break;
 635         default:
 636                 if (modified || ke->text().isEmpty())
 637                         break;
 638                 // find chars for the filter string
 639                 QString s;
 640                 for (int i = 0; i < ke->text().length(); ++i) {
 641                         QChar c = ke->text()[i];
 642                         if (c.isLetterOrNumber()
 643                             || c.isSymbol()
 644                             || c.isPunct()
 645                             || c.category() == QChar::Separator_Space) {
 646                                 s += c;
 647                         }
 648                 }
 649                 if (!s.isEmpty()) {
 650                         // append new chars to the filter string
 651                         setFilter(filter_ + s);
 652                         return true;
 653                 }
 654                 break;
 655         }
 656
 657         return QComboBox::eventFilter(o, e);
 658 }
 659
 660
 661 void GuiLayoutBox::setIconSize(QSize size)
 662 {
 663 #ifdef Q_WS_MACX
 664         bool small = size.height() < 20;
 665         setAttribute(Qt::WA_MacSmallSize, small);
 666         setAttribute(Qt::WA_MacNormalSize, !small);
 667 #endif
 668 }
 669
 670
 671 void GuiLayoutBox::set(docstring const & layout)
 672 {
 673         resetFilter();
 674
 675         if (!text_class_)
 676                 return;
 677
 678         QString const & name = toqstr((*text_class_)[layout].name());
 679         if (name == currentText())
 680                 return;
 681
 682         QList<QStandardItem *> r = model_->findItems(name, Qt::MatchExactly, 1);
 683         if (r.empty()) {
 684                 lyxerr << "Trying to select non existent layout type "
 685                         << fromqstr(name) << endl;
 686                 return;
 687         }
 688
 689         setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
 690 }
 691
 692
 693 void GuiLayoutBox::addItemSort(docstring const & item, docstring const & category,
 694         bool sorted, bool sortedByCat)
 695 {
 696         QString qitem = toqstr(item);
 697         QString titem = toqstr(translateIfPossible(item));
 698         QString qcat = toqstr(translateIfPossible(category));
 699
 700         QList<QStandardItem *> row;
 701         row.append(new QStandardItem(titem));
 702         row.append(new QStandardItem(qitem));
 703         row.append(new QStandardItem(qcat));
 704
 705         // the first entry is easy
 706         int const end = model_->rowCount();
 707         if (end == 0) {
 708                 model_->appendRow(row);
 709                 return;
 710         }
 711
 712         // find category
 713         int i = 0;
 714         if (sortedByCat) {
 715                 while (i < end && model_->item(i, 2)->text() != qcat)
 716                         ++i;
 717         }
 718
 719         // skip the Standard layout
 720         if (i == 0)
 721                 ++i;
 722
 723         // the simple unsorted case
 724         if (!sorted) {
 725                 if (sortedByCat) {
 726                         // jump to the end of the category group
 727                         while (i < end && model_->item(i, 2)->text() == qcat)
 728                                 ++i;
 729                         model_->insertRow(i, row);
 730                 } else
 731                         model_->appendRow(row);
 732                 return;
 733         }
 734
 735         // find row to insert the item, after the separator if it exists
 736         if (i < end) {
 737                 // find alphabetic position
 738                 while (i != end
 739                        && model_->item(i, 0)->text().compare(titem) < 0
 740                        && (!sortedByCat || model_->item(i, 2)->text() == qcat))
 741                         ++i;
 742         }
 743
 744         model_->insertRow(i, row);
 745 }
 746
 747
 748 void GuiLayoutBox::updateContents(bool reset)
 749 {
 750         resetFilter();
 751
 752         Buffer const * buffer = owner_.buffer();
 753         if (!buffer) {
 754                 model_->clear();
 755                 setEnabled(false);
 756                 text_class_ = 0;
 757                 inset_ = 0;
 758                 return;
 759         }
 760
 761         // we'll only update the layout list if the text class has changed
 762         // or we've moved from one inset to another
 763         DocumentClass const * text_class = &buffer->params().documentClass();
 764         Inset const * inset =
 765                 owner_.view()->cursor().innerParagraph().inInset();
 766         if (!reset && text_class_ == text_class && inset_ == inset) {
 767                 set(owner_.view()->cursor().innerParagraph().layout().name());
 768                 return;
 769         }
 770
 771         inset_ = inset;
 772         text_class_ = text_class;
 773
 774         model_->clear();
 775         DocumentClass::const_iterator lit = text_class_->begin();
 776         DocumentClass::const_iterator len = text_class_->end();
 777
 778         for (; lit != len; ++lit) {
 779                 docstring const & name = lit->name();
 780                 bool const useEmpty = inset_->forceEmptyLayout() || inset_->useEmptyLayout();
 781                 // if this inset requires the empty layout, we skip the default
 782                 // layout
 783                 if (name == text_class_->defaultLayoutName() && inset_ && useEmpty)
 784                         continue;
 785                 // if it doesn't require the empty layout, we skip it
 786                 if (name == text_class_->emptyLayoutName() && inset_ && !useEmpty)
 787                         continue;
 788                 addItemSort(name, lit->category(), lyxrc.sort_layouts, lyxrc.group_layouts);
 789         }
 790
 791         set(owner_.view()->cursor().innerParagraph().layout().name());
 792         countCategories();
 793
 794         // needed to recalculate size hint
 795         hide();
 796         setMinimumWidth(sizeHint().width());
 797         setEnabled(!buffer->isReadonly());
 798         show();
 799 }
 800
 801
 802 void GuiLayoutBox::selected(int index)
 803 {
 804         // get selection
 805         QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
 806         docstring const layoutName =
 807                 qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
 808
 809         owner_.setFocus();
 810
 811         if (!text_class_) {
 812                 updateContents(false);
 813                 resetFilter();
 814                 return;
 815         }
 816
 817         // find corresponding text class
 818         if (text_class_->hasLayout(layoutName)) {
 819                 FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
 820                 theLyXFunc().setLyXView(&owner_);
 821                 lyx::dispatch(func);
 822                 updateContents(false);
 823                 resetFilter();
 824                 return;
 825         }
 826         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 827 }
 828
 829
 830
 831 /////////////////////////////////////////////////////////////////////
 832 //
 833 // GuiToolbar
 834 //
 835 /////////////////////////////////////////////////////////////////////
 836
 837
 838 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 839         : QToolBar(qt_(tbinfo.gui_name), &owner), owner_(owner),
 840           layout_(0), command_buffer_(0)
 841 {
 842         // give visual separation between adjacent toolbars
 843         addSeparator();
 844
 845         // TODO: save toolbar position
 846         setMovable(true);
 847
 848         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 849         ToolbarInfo::item_iterator end = tbinfo.items.end();
 850         for (; it != end; ++it)
 851                 add(*it);
 852 }
 853
 854
 855 Action * GuiToolbar::addItem(ToolbarItem const & item)
 856 {
 857         Action * act = new Action(&owner_, getIcon(item.func_, false),
 858                 toqstr(item.label_), item.func_, toqstr(item.label_), this);
 859         actions_.append(act);
 860         return act;
 861 }
 862
 863 namespace {
 864
 865 class PaletteButton : public QToolButton
 866 {
 867 private:
 868         GuiToolbar * bar_;
 869         ToolbarItem const & tbitem_;
 870         bool initialized_;
 871 public:
 872         PaletteButton(GuiToolbar * bar, ToolbarItem const & item)
 873                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 874         {
 875                 QString const label = qt_(to_ascii(tbitem_.label_));
 876                 setToolTip(label);
 877                 setStatusTip(label);
 878                 setText(label);
 879                 connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 880                         this, SLOT(setIconSize(QSize)));
 881                 setCheckable(true);
 882                 ToolbarInfo const * tbinfo =
 883                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 884                 if (tbinfo)
 885                         // use the icon of first action for the toolbar button
 886                         setIcon(getIcon(tbinfo->items.begin()->func_, true));
 887         }
 888
 889         void mousePressEvent(QMouseEvent * e)
 890         {
 891                 if (initialized_) {
 892                         QToolButton::mousePressEvent(e);
 893                         return;
 894                 }
 895
 896                 initialized_ = true;
 897
 898                 ToolbarInfo const * tbinfo =
 899                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 900                 if (!tbinfo) {
 901                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 902                         return;
 903                 }
 904                 IconPalette * panel = new IconPalette(this);
 905                 QString const label = qt_(to_ascii(tbitem_.label_));
 906                 panel->setWindowTitle(label);
 907                 connect(this, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 908                 connect(panel, SIGNAL(visible(bool)), this, SLOT(setChecked(bool)));
 909                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 910                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 911                 for (; it != end; ++it)
 912                         if (!getStatus(it->func_).unknown())
 913                                 panel->addButton(bar_->addItem(*it));
 914
 915                 QToolButton::mousePressEvent(e);
 916         }
 917 };
 918
 919 class MenuButton : public QToolButton
 920 {
 921 private:
 922         GuiToolbar * bar_;
 923         ToolbarItem const & tbitem_;
 924         bool initialized_;
 925 public:
 926         MenuButton(GuiToolbar * bar, ToolbarItem const & item)
 927                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 928         {
 929                 setPopupMode(QToolButton::InstantPopup);
 930                 QString const label = qt_(to_ascii(tbitem_.label_));
 931                 setToolTip(label);
 932                 setStatusTip(label);
 933                 setText(label);
 934                 setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
 935                 connect(bar, SIGNAL(iconSizeChanged(QSize)),
 936                         this, SLOT(setIconSize(QSize)));
 937         }
 938
 939         void mousePressEvent(QMouseEvent * e)
 940         {
 941                 if (initialized_) {
 942                         QToolButton::mousePressEvent(e);
 943                         return;
 944                 }
 945
 946                 initialized_ = true;
 947
 948                 QString const label = qt_(to_ascii(tbitem_.label_));
 949                 ButtonMenu * m = new ButtonMenu(label, this);
 950                 m->setWindowTitle(label);
 951                 m->setTearOffEnabled(true);
 952                 connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
 953                 ToolbarInfo const * tbinfo =
 954                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 955                 if (!tbinfo) {
 956                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 957                         return;
 958                 }
 959                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 960                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 961                 for (; it != end; ++it)
 962                         if (!getStatus(it->func_).unknown())
 963                                 m->add(bar_->addItem(*it));
 964                 setMenu(m);
 965
 966                 QToolButton::mousePressEvent(e);
 967         }
 968 };
 969
 970 }
 971
 972
 973 void GuiToolbar::add(ToolbarItem const & item)
 974 {
 975         switch (item.type_) {
 976         case ToolbarItem::SEPARATOR:
 977                 addSeparator();
 978                 break;
 979         case ToolbarItem::LAYOUTS:
 980                 layout_ = new GuiLayoutBox(this, owner_);
 981                 addWidget(layout_);
 982                 break;
 983         case ToolbarItem::MINIBUFFER:
 984                 command_buffer_ = new GuiCommandBuffer(&owner_);
 985                 addWidget(command_buffer_);
 986                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
 987                 //setHorizontalStretchable(true);
 988                 break;
 989         case ToolbarItem::TABLEINSERT: {
 990                 QToolButton * tb = new QToolButton;
 991                 tb->setCheckable(true);
 992                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
 993                 QString const label = qt_(to_ascii(item.label_));
 994                 tb->setToolTip(label);
 995                 tb->setStatusTip(label);
 996                 tb->setText(label);
 997                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
 998                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
 999                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
1000                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
1001                 addWidget(tb);
1002                 break;
1003                 }
1004         case ToolbarItem::ICONPALETTE:
1005                 addWidget(new PaletteButton(this, item));
1006                 break;
1007
1008         case ToolbarItem::POPUPMENU: {
1009                 addWidget(new MenuButton(this, item));
1010                 break;
1011                 }
1012         case ToolbarItem::COMMAND: {
1013                 if (!getStatus(item.func_).unknown())
1014                         addAction(addItem(item));
1015                 break;
1016                 }
1017         default:
1018                 break;
1019         }
1020 }
1021
1022
1023 void GuiToolbar::saveInfo(ToolbarSection::ToolbarInfo & tbinfo)
1024 {
1025         // if tbinfo.state == auto *do not* set on/off
1026         if (tbinfo.state != ToolbarSection::ToolbarInfo::AUTO) {
1027                 if (GuiToolbar::isVisible())
1028                         tbinfo.state = ToolbarSection::ToolbarInfo::ON;
1029                 else
1030                         tbinfo.state = ToolbarSection::ToolbarInfo::OFF;
1031         }
1032         //
1033         // no need to save it here.
1034         Qt::ToolBarArea loc = owner_.toolBarArea(this);
1035
1036         if (loc == Qt::TopToolBarArea)
1037                 tbinfo.location = ToolbarSection::ToolbarInfo::TOP;
1038         else if (loc == Qt::BottomToolBarArea)
1039                 tbinfo.location = ToolbarSection::ToolbarInfo::BOTTOM;
1040         else if (loc == Qt::RightToolBarArea)
1041                 tbinfo.location = ToolbarSection::ToolbarInfo::RIGHT;
1042         else if (loc == Qt::LeftToolBarArea)
1043                 tbinfo.location = ToolbarSection::ToolbarInfo::LEFT;
1044         else
1045                 tbinfo.location = ToolbarSection::ToolbarInfo::NOTSET;
1046
1047         // save toolbar position. They are not used to restore toolbar position
1048         // now because move(x,y) does not work for toolbar.
1049         tbinfo.posx = pos().x();
1050         tbinfo.posy = pos().y();
1051 }
1052
1053
1054 void GuiToolbar::updateContents()
1055 {
1056         // update visible toolbars only
1057         if (!isVisible())
1058                 return;
1059         // This is a speed bottleneck because this is called on every keypress
1060         // and update calls getStatus, which copies the cursor at least two times
1061         for (int i = 0; i < actions_.size(); ++i)
1062                 actions_[i]->update();
1063
1064         if (layout_)
1065                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
1066
1067         // emit signal
1068         updated();
1069 }
1070
1071
1072 } // namespace frontend
1073 } // namespace lyx
1074
1075 #include "GuiToolbar_moc.cpp"