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(GuiView & owner)
 468         : owner_(owner), lastSel_(-1), layoutItemDelegate_(new LayoutItemDelegate(this)),
 469           visibleCategories_(0), inShowPopup_(false)
 470 {
 471         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 472         setFocusPolicy(Qt::ClickFocus);
 473         setMinimumWidth(sizeHint().width());
 474         setMaxVisibleItems(100);
 475
 476         // set the layout model with two columns
 477         // 1st: translated layout names
 478         // 2nd: raw layout names
 479         model_ = new QStandardItemModel(0, 2, this);
 480         filterModel_ = new GuiLayoutFilterModel(this);
 481         filterModel_->setSourceModel(model_);
 482         setModel(filterModel_);
 483
 484         // for the filtering we have to intercept characters
 485         view()->installEventFilter(this);
 486         view()->setItemDelegateForColumn(0, layoutItemDelegate_);
 487
 488         QObject::connect(this, SIGNAL(activated(int)),
 489                          this, SLOT(selected(int)));
 490         owner_.setLayoutDialog(this);
 491         updateContents(true);
 492 }
 493
 494
 495 void GuiLayoutBox::setFilter(QString const & s)
 496 {
 497         if (!s.isEmpty())
 498                 owner_.message(_("Filtering layouts with \"" + fromqstr(s) + "\". "
 499                         "Press ESC to remove filter."));
 500         else
 501                 owner_.message(_("Enter characters to filter the layout list."));
 502
 503         bool enabled = view()->updatesEnabled();
 504         view()->setUpdatesEnabled(false);
 505
 506         // remember old selection
 507         int sel = currentIndex();
 508         if (sel != -1)
 509                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 510
 511         filter_ = s;
 512         filterModel_->setFilterRegExp(charFilterRegExp(filter_));
 513         countCategories();
 514
 515         // restore old selection
 516         if (lastSel_ != -1) {
 517                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 518                 if (i.isValid())
 519                         setCurrentIndex(i.row());
 520         }
 521
 522         // Workaround to resize to content size
 523         // FIXME: There must be a better way. The QComboBox::AdjustToContents)
 524         //        does not help.
 525         if (view()->isVisible()) {
 526                 // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 527                 // the hack in the item delegate to make space for the headers.
 528                 // We do not call our implementation of showPopup because that
 529                 // would reset the filter again. This is only needed if the user clicks
 530                 // on the QComboBox.
 531                 BOOST_ASSERT(!inShowPopup_);
 532                 inShowPopup_ = true;
 533                 QComboBox::showPopup();
 534                 inShowPopup_ = false;
 535
 536                 // The item delegate hack is off again. So trigger a relayout of the popup.
 537                 filterModel_->triggerLayoutChange();
 538         }
 539
 540         view()->setUpdatesEnabled(enabled);
 541 }
 542
 543
 544 void GuiLayoutBox::countCategories()
 545 {
 546         int n = filterModel_->rowCount();
 547         visibleCategories_ = 0;
 548         if (n == 0 || !lyxrc.group_layouts)
 549                 return;
 550
 551         // skip the "Standard" category
 552         QString prevCat = model_->index(0, 2).data().toString();
 553
 554         // count categories
 555         for (int i = 0; i < n; ++i) {
 556                 QString cat = filterModel_->index(i, 2).data().toString();
 557                 if (cat != prevCat)
 558                         ++visibleCategories_;
 559                 prevCat = cat;
 560         }
 561 }
 562
 563
 564 QString GuiLayoutBox::charFilterRegExp(QString const & filter)
 565 {
 566         QString re;
 567         for (int i = 0; i < filter.length(); ++i) {
 568                 QChar c = filter[i];
 569                 if (c.isLower())
 570                         re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
 571                 else
 572                         re += ".*" + QRegExp::escape(c);
 573         }
 574         return re;
 575 }
 576
 577
 578 void GuiLayoutBox::resetFilter()
 579 {
 580         setFilter(QString());
 581 }
 582
 583
 584 void GuiLayoutBox::showPopup()
 585 {
 586         owner_.message(_("Enter characters to filter the layout list."));
 587
 588         bool enabled = view()->updatesEnabled();
 589         view()->setUpdatesEnabled(false);
 590
 591         resetFilter();
 592
 593         // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 594         // the hack in the item delegate to make space for the headers.
 595         BOOST_ASSERT(!inShowPopup_);
 596         inShowPopup_ = true;
 597         QComboBox::showPopup();
 598         inShowPopup_ = false;
 599
 600         // The item delegate hack is off again. So trigger a relayout of the popup.
 601         filterModel_->triggerLayoutChange();
 602
 603         view()->setUpdatesEnabled(enabled);
 604 }
 605
 606
 607 bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
 608 {
 609         if (e->type() != QEvent::KeyPress)
 610                 return QComboBox::eventFilter(o, e);
 611
 612         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 613         bool modified = (ke->modifiers() == Qt::ControlModifier)
 614                 || (ke->modifiers() == Qt::AltModifier)
 615                 || (ke->modifiers() == Qt::MetaModifier);
 616
 617         switch (ke->key()) {
 618         case Qt::Key_Escape:
 619                 if (!modified && !filter_.isEmpty()) {
 620                         resetFilter();
 621                         return true;
 622                 }
 623                 break;
 624         case Qt::Key_Backspace:
 625                 if (!modified) {
 626                         // cut off one character
 627                         setFilter(filter_.left(filter_.length() - 1));
 628                 }
 629                 break;
 630         default:
 631                 if (modified || ke->text().isEmpty())
 632                         break;
 633                 // find chars for the filter string
 634                 QString s;
 635                 for (int i = 0; i < ke->text().length(); ++i) {
 636                         QChar c = ke->text()[i];
 637                         if (c.isLetterOrNumber()
 638                             || c.isSymbol()
 639                             || c.isPunct()
 640                             || c.category() == QChar::Separator_Space) {
 641                                 s += c;
 642                         }
 643                 }
 644                 if (!s.isEmpty()) {
 645                         // append new chars to the filter string
 646                         setFilter(filter_ + s);
 647                         return true;
 648                 }
 649                 break;
 650         }
 651
 652         return QComboBox::eventFilter(o, e);
 653 }
 654
 655
 656 void GuiLayoutBox::set(docstring const & layout)
 657 {
 658         resetFilter();
 659
 660         if (!text_class_)
 661                 return;
 662
 663         QString const & name = toqstr((*text_class_)[layout].name());
 664         if (name == currentText())
 665                 return;
 666
 667         QList<QStandardItem *> r = model_->findItems(name, Qt::MatchExactly, 1);
 668         if (r.empty()) {
 669                 lyxerr << "Trying to select non existent layout type "
 670                         << fromqstr(name) << endl;
 671                 return;
 672         }
 673
 674         setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
 675 }
 676
 677
 678 void GuiLayoutBox::addItemSort(docstring const & item, docstring const & category,
 679         bool sorted, bool sortedByCat)
 680 {
 681         QString qitem = toqstr(item);
 682         QString titem = toqstr(translateIfPossible(item));
 683         QString qcat = toqstr(translateIfPossible(category));
 684
 685         QList<QStandardItem *> row;
 686         row.append(new QStandardItem(titem));
 687         row.append(new QStandardItem(qitem));
 688         row.append(new QStandardItem(qcat));
 689
 690         // the first entry is easy
 691         int const end = model_->rowCount();
 692         if (end == 0) {
 693                 model_->appendRow(row);
 694                 return;
 695         }
 696
 697         // find category
 698         int i = 0;
 699         if (sortedByCat) {
 700                 while (i < end && model_->item(i, 2)->text() != qcat)
 701                         ++i;
 702         }
 703
 704         // skip the Standard layout
 705         if (i == 0)
 706                 ++i;
 707
 708         // the simple unsorted case
 709         if (!sorted) {
 710                 if (sortedByCat) {
 711                         // jump to the end of the category group
 712                         while (i < end && model_->item(i, 2)->text() == qcat)
 713                                 ++i;
 714                         model_->insertRow(i, row);
 715                 } else
 716                         model_->appendRow(row);
 717                 return;
 718         }
 719
 720         // find row to insert the item, after the separator if it exists
 721         if (i < end) {
 722                 // find alphabetic position
 723                 while (i != end
 724                        && model_->item(i, 0)->text().compare(titem) < 0
 725                        && (!sortedByCat || model_->item(i, 2)->text() == qcat))
 726                         ++i;
 727         }
 728
 729         model_->insertRow(i, row);
 730 }
 731
 732
 733 void GuiLayoutBox::updateContents(bool reset)
 734 {
 735         resetFilter();
 736
 737         Buffer const * buffer = owner_.buffer();
 738         if (!buffer) {
 739                 model_->clear();
 740                 setEnabled(false);
 741                 text_class_ = 0;
 742                 inset_ = 0;
 743                 return;
 744         }
 745
 746         // we'll only update the layout list if the text class has changed
 747         // or we've moved from one inset to another
 748         DocumentClass const * text_class = &buffer->params().documentClass();
 749         Inset const * inset =
 750         owner_.view()->cursor().innerParagraph().inInset();
 751         if (!reset && text_class_ == text_class && inset_ == inset) {
 752                 set(owner_.view()->cursor().innerParagraph().layout().name());
 753                 return;
 754         }
 755
 756         inset_ = inset;
 757         text_class_ = text_class;
 758
 759         model_->clear();
 760         DocumentClass::const_iterator lit = text_class_->begin();
 761         DocumentClass::const_iterator len = text_class_->end();
 762         for (; lit != len; ++lit) {
 763                 docstring const & name = lit->name();
 764                 // if this inset requires the empty layout, we skip the default
 765                 // layout
 766                 if (name == text_class_->defaultLayoutName() && inset &&
 767                     (inset->forceEmptyLayout() || inset->useEmptyLayout()))
 768                         continue;
 769                 // if it doesn't require the empty layout, we skip it
 770                 if (name == text_class_->emptyLayoutName() && inset &&
 771                     !inset->forceEmptyLayout() && !inset->useEmptyLayout())
 772                         continue;
 773                 addItemSort(name, lit->category(), lyxrc.sort_layouts, lyxrc.group_layouts);
 774         }
 775
 776         set(owner_.view()->cursor().innerParagraph().layout().name());
 777         countCategories();
 778
 779         // needed to recalculate size hint
 780         hide();
 781         setMinimumWidth(sizeHint().width());
 782         setEnabled(!buffer->isReadonly());
 783         show();
 784 }
 785
 786
 787 void GuiLayoutBox::selected(int index)
 788 {
 789         // get selection
 790         QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
 791         docstring const layoutName =
 792                 qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
 793
 794         owner_.setFocus();
 795
 796         if (!text_class_) {
 797                 updateContents(false);
 798                 resetFilter();
 799                 return;
 800         }
 801
 802         // find corresponding text class
 803         if (text_class_->hasLayout(layoutName)) {
 804                 FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
 805                 theLyXFunc().setLyXView(&owner_);
 806                 lyx::dispatch(func);
 807                 updateContents(false);
 808                 resetFilter();
 809                 return;
 810         }
 811         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 812 }
 813
 814
 815
 816 /////////////////////////////////////////////////////////////////////
 817 //
 818 // GuiToolbar
 819 //
 820 /////////////////////////////////////////////////////////////////////
 821
 822
 823 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 824         : QToolBar(qt_(tbinfo.gui_name), &owner), owner_(owner),
 825           layout_(0), command_buffer_(0)
 826 {
 827         // give visual separation between adjacent toolbars
 828         addSeparator();
 829
 830         // TODO: save toolbar position
 831         setMovable(true);
 832
 833         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 834         ToolbarInfo::item_iterator end = tbinfo.items.end();
 835         for (; it != end; ++it)
 836                 add(*it);
 837 }
 838
 839
 840 Action * GuiToolbar::addItem(ToolbarItem const & item)
 841 {
 842         Action * act = new Action(owner_,
 843                 getIcon(item.func_, false),
 844           toqstr(item.label_), item.func_, toqstr(item.label_));
 845         actions_.append(act);
 846         return act;
 847 }
 848
 849 namespace {
 850
 851 class PaletteButton : public QToolButton
 852 {
 853 private:
 854         GuiToolbar * bar_;
 855         ToolbarItem const & tbitem_;
 856         bool initialized_;
 857 public:
 858         PaletteButton(GuiToolbar * bar, ToolbarItem const & item)
 859                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 860         {
 861                 QString const label = qt_(to_ascii(tbitem_.label_));
 862                 setToolTip(label);
 863                 setStatusTip(label);
 864                 setText(label);
 865                 connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 866                         this, SLOT(setIconSize(QSize)));
 867                 setCheckable(true);
 868                 ToolbarInfo const * tbinfo =
 869                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 870                 if (tbinfo)
 871                         // use the icon of first action for the toolbar button
 872                         setIcon(getIcon(tbinfo->items.begin()->func_, true));
 873         }
 874
 875         void mousePressEvent(QMouseEvent * e)
 876         {
 877                 if (initialized_) {
 878                         QToolButton::mousePressEvent(e);
 879                         return;
 880                 }
 881
 882                 initialized_ = true;
 883
 884                 ToolbarInfo const * tbinfo =
 885                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 886                 if (!tbinfo) {
 887                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 888                         return;
 889                 }
 890                 IconPalette * panel = new IconPalette(this);
 891                 QString const label = qt_(to_ascii(tbitem_.label_));
 892                 panel->setWindowTitle(label);
 893                 connect(this, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 894                 connect(panel, SIGNAL(visible(bool)), this, SLOT(setChecked(bool)));
 895                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 896                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 897                 for (; it != end; ++it)
 898                         if (!getStatus(it->func_).unknown())
 899                                 panel->addButton(bar_->addItem(*it));
 900
 901                 QToolButton::mousePressEvent(e);
 902         }
 903 };
 904
 905 class MenuButton : public QToolButton
 906 {
 907 private:
 908         GuiToolbar * bar_;
 909         ToolbarItem const & tbitem_;
 910         bool initialized_;
 911 public:
 912         MenuButton(GuiToolbar * bar, ToolbarItem const & item)
 913                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 914         {
 915                 setPopupMode(QToolButton::InstantPopup);
 916                 QString const label = qt_(to_ascii(tbitem_.label_));
 917                 setToolTip(label);
 918                 setStatusTip(label);
 919                 setText(label);
 920                 setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
 921                 connect(bar, SIGNAL(iconSizeChanged(QSize)),
 922                         this, SLOT(setIconSize(QSize)));
 923         }
 924
 925         void mousePressEvent(QMouseEvent * e)
 926         {
 927                 if (initialized_) {
 928                         QToolButton::mousePressEvent(e);
 929                         return;
 930                 }
 931
 932                 initialized_ = true;
 933
 934                 QString const label = qt_(to_ascii(tbitem_.label_));
 935                 ButtonMenu * m = new ButtonMenu(label, this);
 936                 m->setWindowTitle(label);
 937                 m->setTearOffEnabled(true);
 938                 connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
 939                 ToolbarInfo const * tbinfo =
 940                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 941                 if (!tbinfo) {
 942                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 943                         return;
 944                 }
 945                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 946                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 947                 for (; it != end; ++it)
 948                         if (!getStatus(it->func_).unknown())
 949                                 m->add(bar_->addItem(*it));
 950                 setMenu(m);
 951
 952                 QToolButton::mousePressEvent(e);
 953         }
 954 };
 955
 956 }
 957
 958
 959 void GuiToolbar::add(ToolbarItem const & item)
 960 {
 961         switch (item.type_) {
 962         case ToolbarItem::SEPARATOR:
 963                 addSeparator();
 964                 break;
 965         case ToolbarItem::LAYOUTS:
 966                 layout_ = new GuiLayoutBox(owner_);
 967                 addWidget(layout_);
 968                 break;
 969         case ToolbarItem::MINIBUFFER:
 970                 command_buffer_ = new GuiCommandBuffer(&owner_);
 971                 addWidget(command_buffer_);
 972                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
 973                 //setHorizontalStretchable(true);
 974                 break;
 975         case ToolbarItem::TABLEINSERT: {
 976                 QToolButton * tb = new QToolButton;
 977                 tb->setCheckable(true);
 978                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
 979                 QString const label = qt_(to_ascii(item.label_));
 980                 tb->setToolTip(label);
 981                 tb->setStatusTip(label);
 982                 tb->setText(label);
 983                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
 984                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
 985                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
 986                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
 987                 addWidget(tb);
 988                 break;
 989                 }
 990         case ToolbarItem::ICONPALETTE:
 991                 addWidget(new PaletteButton(this, item));
 992                 break;
 993
 994         case ToolbarItem::POPUPMENU: {
 995                 addWidget(new MenuButton(this, item));
 996                 break;
 997                 }
 998         case ToolbarItem::COMMAND: {
 999                 if (!getStatus(item.func_).unknown())
1000                         addAction(addItem(item));
1001                 break;
1002                 }
1003         default:
1004                 break;
1005         }
1006 }
1007
1008
1009 void GuiToolbar::saveInfo(ToolbarSection::ToolbarInfo & tbinfo)
1010 {
1011         // if tbinfo.state == auto *do not* set on/off
1012         if (tbinfo.state != ToolbarSection::ToolbarInfo::AUTO) {
1013                 if (GuiToolbar::isVisible())
1014                         tbinfo.state = ToolbarSection::ToolbarInfo::ON;
1015                 else
1016                         tbinfo.state = ToolbarSection::ToolbarInfo::OFF;
1017         }
1018         //
1019         // no need to save it here.
1020         Qt::ToolBarArea loc = owner_.toolBarArea(this);
1021
1022         if (loc == Qt::TopToolBarArea)
1023                 tbinfo.location = ToolbarSection::ToolbarInfo::TOP;
1024         else if (loc == Qt::BottomToolBarArea)
1025                 tbinfo.location = ToolbarSection::ToolbarInfo::BOTTOM;
1026         else if (loc == Qt::RightToolBarArea)
1027                 tbinfo.location = ToolbarSection::ToolbarInfo::RIGHT;
1028         else if (loc == Qt::LeftToolBarArea)
1029                 tbinfo.location = ToolbarSection::ToolbarInfo::LEFT;
1030         else
1031                 tbinfo.location = ToolbarSection::ToolbarInfo::NOTSET;
1032
1033         // save toolbar position. They are not used to restore toolbar position
1034         // now because move(x,y) does not work for toolbar.
1035         tbinfo.posx = pos().x();
1036         tbinfo.posy = pos().y();
1037 }
1038
1039
1040 void GuiToolbar::updateContents()
1041 {
1042         // update visible toolbars only
1043         if (!isVisible())
1044                 return;
1045         // This is a speed bottleneck because this is called on every keypress
1046         // and update calls getStatus, which copies the cursor at least two times
1047         for (int i = 0; i < actions_.size(); ++i)
1048                 actions_[i]->update();
1049
1050         if (layout_)
1051                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
1052
1053         // emit signal
1054         updated();
1055 }
1056
1057
1058 } // namespace frontend
1059 } // namespace lyx
1060
1061 #include "GuiToolbar_moc.cpp"