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 "support/assert.h"
  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 // this must be sorted alphabetically
 112 // Upper case comes before lower case
 113 PngMap sorted_png_map[] = {
 114         { "Bumpeq", "bumpeq2" },
 115         { "Cap", "cap2" },
 116         { "Cup", "cup2" },
 117         { "Delta", "delta2" },
 118         { "Downarrow", "downarrow2" },
 119         { "Gamma", "gamma2" },
 120         { "Lambda", "lambda2" },
 121         { "Leftarrow", "leftarrow2" },
 122         { "Leftrightarrow", "leftrightarrow2" },
 123         { "Longleftarrow", "longleftarrow2" },
 124         { "Longleftrightarrow", "longleftrightarrow2" },
 125         { "Longrightarrow", "longrightarrow2" },
 126         { "Omega", "omega2" },
 127         { "Phi", "phi2" },
 128         { "Pi", "pi2" },
 129         { "Psi", "psi2" },
 130         { "Rightarrow", "rightarrow2" },
 131         { "Sigma", "sigma2" },
 132         { "Subset", "subset2" },
 133         { "Supset", "supset2" },
 134         { "Theta", "theta2" },
 135         { "Uparrow", "uparrow2" },
 136         { "Updownarrow", "updownarrow2" },
 137         { "Upsilon", "upsilon2" },
 138         { "Vdash", "vdash3" },
 139         { "Vert", "vert2" },
 140         { "Xi", "xi2" },
 141         { "nLeftarrow", "nleftarrow2" },
 142         { "nLeftrightarrow", "nleftrightarrow2" },
 143         { "nRightarrow", "nrightarrow2" },
 144         { "nVDash", "nvdash3" },
 145         { "nvDash", "nvdash2" },
 146         { "textrm \\AA", "textrm_AA"},
 147         { "textrm \\O", "textrm_O"},
 148         { "vDash", "vdash2" }
 149 };
 150
 151 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
 152
 153
 154 QString findPng(QString const & name)
 155 {
 156         PngMap const * const begin = sorted_png_map;
 157         PngMap const * const end = begin + nr_sorted_png_map;
 158         LASSERT(sorted(begin, end), /**/);
 159
 160         PngMap const * const it = find_if(begin, end, CompareKey(name));
 161
 162         QString png_name;
 163         if (it != end) {
 164                 png_name = it->value;
 165         } else {
 166                 png_name = name;
 167                 png_name.replace('_', "underscore");
 168                 png_name.replace(' ', '_');
 169
 170                 // This way we can have "math-delim { }" on the toolbar.
 171                 png_name.replace('(', "lparen");
 172                 png_name.replace(')', "rparen");
 173                 png_name.replace('[', "lbracket");
 174                 png_name.replace(']', "rbracket");
 175                 png_name.replace('{', "lbrace");
 176                 png_name.replace('}', "rbrace");
 177                 png_name.replace('|', "bars");
 178                 png_name.replace(',', "thinspace");
 179                 png_name.replace(':', "mediumspace");
 180                 png_name.replace(';', "thickspace");
 181                 png_name.replace('!', "negthinspace");
 182         }
 183
 184         LYXERR(Debug::GUI, "findPng(" << fromqstr(name) << ")\n"
 185                 << "Looking for math PNG called \"" << fromqstr(png_name) << '"');
 186         return png_name;
 187 }
 188
 189 } // namespace anon
 190
 191
 192 /// return a icon for the given action
 193 static QIcon getIcon(FuncRequest const & f, bool unknown)
 194 {
 195         initializeResources();
 196         QPixmap pm;
 197         QString name1;
 198         QString name2;
 199         QString path;
 200         switch (f.action) {
 201         case LFUN_MATH_INSERT:
 202                 if (!f.argument().empty()) {
 203                         path = "math/";
 204                         name1 = findPng(toqstr(f.argument()).mid(1));
 205                 }
 206                 break;
 207         case LFUN_MATH_DELIM:
 208         case LFUN_MATH_BIGDELIM:
 209                 path = "math/";
 210                 name1 = findPng(toqstr(f.argument()));
 211                 break;
 212         case LFUN_CALL:
 213                 path = "commands/";
 214                 name1 = toqstr(f.argument());
 215                 break;
 216         default:
 217                 name2 = toqstr(lyxaction.getActionName(f.action));
 218                 name1 = name2;
 219
 220                 if (!f.argument().empty()) {
 221                         name1 = name2 + ' ' + toqstr(f.argument());
 222                         name1.replace(' ', '_');
 223                 }
 224         }
 225
 226         string fullname = libFileSearch("images/" + path, name1, "png").absFilename();
 227         if (pm.load(toqstr(fullname)))
 228                 return pm;
 229
 230         fullname = libFileSearch("images/" + path, name2, "png").absFilename();
 231         if (pm.load(toqstr(fullname)))
 232                 return pm;
 233
 234         if (pm.load(":/images/" + path + name1 + ".png"))
 235                 return pm;
 236
 237         if (pm.load(":/images/" + path + name2 + ".png"))
 238                 return pm;
 239
 240         LYXERR(Debug::GUI, "Cannot find icon for command \""
 241                            << lyxaction.getActionName(f.action)
 242                            << '(' << to_utf8(f.argument()) << ")\"");
 243         if (unknown)
 244                 pm.load(":/images/unknown.png");
 245
 246         return pm;
 247 }
 248
 249
 250 /////////////////////////////////////////////////////////////////////
 251 //
 252 // GuiLayoutBox
 253 //
 254 /////////////////////////////////////////////////////////////////////
 255
 256 class LayoutItemDelegate : public QItemDelegate {
 257 public:
 258         ///
 259         explicit LayoutItemDelegate(QObject * parent = 0)
 260                 : QItemDelegate(parent)
 261         {}
 262
 263         ///
 264         void paint(QPainter * painter, QStyleOptionViewItem const & option,
 265                 QModelIndex const & index) const
 266         {
 267                 QStyleOptionViewItem opt = option;
 268
 269                 // default background
 270                 painter->fillRect(opt.rect, opt.palette.color(QPalette::Base));
 271
 272                 // category header?
 273                 if (lyxrc.group_layouts) {
 274                         QSortFilterProxyModel const * model
 275                         = static_cast<QSortFilterProxyModel const *>(index.model());
 276
 277                         QString stdCat = category(*model->sourceModel(), 0);
 278                         QString cat = category(*index.model(), index.row());
 279
 280                         // not the standard layout and not the same as in the previous line?
 281                         if (stdCat != cat
 282                             && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 283                                 painter->save();
 284
 285                                 // draw unselected background
 286                                 QStyle::State state = opt.state;
 287                                 opt.state = opt.state & ~QStyle::State_Selected;
 288                                 drawBackground(painter, opt, index);
 289                                 opt.state = state;
 290
 291                                 // draw category header
 292                                 drawCategoryHeader(painter, opt,
 293                                         category(*index.model(), index.row()));
 294
 295                                 // move rect down below header
 296                                 opt.rect.setTop(opt.rect.top() + headerHeight(opt));
 297
 298                                 painter->restore();
 299                         }
 300                 }
 301
 302                 QItemDelegate::paint(painter, opt, index);
 303         }
 304
 305         ///
 306         void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
 307                          const QRect & /*rect*/, const QString & text ) const
 308         {
 309                 QString utext = underlineFilter(text);
 310
 311                 // Draw the rich text.
 312                 painter->save();
 313                 QColor col = opt.palette.text().color();
 314                 if (opt.state & QStyle::State_Selected)
 315                         col = opt.palette.highlightedText().color();
 316                 QAbstractTextDocumentLayout::PaintContext context;
 317                 context.palette.setColor(QPalette::Text, col);
 318
 319                 QTextDocument doc;
 320                 doc.setDefaultFont(opt.font);
 321                 doc.setHtml(utext);
 322
 323                 QTextFrameFormat fmt = doc.rootFrame()->frameFormat();
 324                 fmt.setMargin(0);
 325                 doc.rootFrame()->setFrameFormat(fmt);
 326
 327                 painter->translate(opt.rect.x() + 5,
 328                         opt.rect.y() + (opt.rect.height() - opt.fontMetrics.height()) / 2);
 329                 doc.documentLayout()->draw(painter, context);
 330                 painter->restore();
 331         }
 332
 333         ///
 334         QSize sizeHint(QStyleOptionViewItem const & opt,
 335                 QModelIndex const & index) const
 336         {
 337                 GuiLayoutBox * combo = static_cast<GuiLayoutBox *>(parent());
 338                 QSortFilterProxyModel const * model
 339                 = static_cast<QSortFilterProxyModel const *>(index.model());
 340                 QSize size = QItemDelegate::sizeHint(opt, index);
 341
 342                 /// QComboBox uses the first row height to estimate the
 343                 /// complete popup height during QComboBox::showPopup().
 344                 /// To avoid scrolling we have to sneak in space for the headers.
 345                 /// So we tweak this value accordingly. It's not nice, but the
 346                 /// only possible way it seems.
 347                 if (lyxrc.group_layouts && index.row() == 0 && combo->inShowPopup_) {
 348                         int itemHeight = size.height();
 349
 350                         // we have to show \c cats many headers:
 351                         unsigned cats = combo->visibleCategories_;
 352
 353                         // and we have \c n items to distribute the needed space over
 354                         unsigned n = combo->model()->rowCount();
 355
 356                         // so the needed average height (rounded upwards) is:
 357                         size.setHeight((headerHeight(opt) * cats + itemHeight * n + n - 1) / n);
 358                         return size;
 359                 }
 360
 361                 // Add space for the category headers here?
 362                 // Not for the standard layout though.
 363                 QString stdCat = category(*model->sourceModel(), 0);
 364                 QString cat = category(*index.model(), index.row());
 365                 if (lyxrc.group_layouts && stdCat != cat
 366                     && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 367                         size.setHeight(size.height() + headerHeight(opt));
 368                 }
 369
 370                 return size;
 371         }
 372
 373 private:
 374         ///
 375         QString category(QAbstractItemModel const & model, int row) const
 376         {
 377                 return model.data(model.index(row, 2), Qt::DisplayRole).toString();
 378         }
 379
 380         ///
 381         int headerHeight(QStyleOptionViewItem const & opt) const
 382         {
 383                 return opt.fontMetrics.height() * 8 / 10;
 384         }
 385         ///
 386         void drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
 387                 QString const & category) const
 388         {
 389                 // slightly blended color
 390                 QColor lcol = opt.palette.text().color();
 391                 lcol.setAlpha(127);
 392                 painter->setPen(lcol);
 393
 394                 // set 80% scaled, bold font
 395                 QFont font = opt.font;
 396                 font.setBold(true);
 397                 font.setWeight(QFont::Black);
 398                 font.setPointSize(opt.font.pointSize() * 8 / 10);
 399                 painter->setFont(font);
 400
 401                 // draw the centered text
 402                 QFontMetrics fm(font);
 403                 int w = fm.width(category);
 404                 int x = opt.rect.x() + (opt.rect.width() - w) / 2;
 405                 int y = opt.rect.y() + fm.ascent();
 406                 int left = x;
 407                 int right = x + w;
 408                 painter->drawText(x, y, category);
 409
 410                 // the vertical position of the line: middle of lower case chars
 411                 int ymid = y - 1 - fm.xHeight() / 2; // -1 for the baseline
 412
 413                 // draw the horizontal line
 414                 if (!category.isEmpty()) {
 415                         painter->drawLine(opt.rect.x(), ymid, left - 1, ymid);
 416                         painter->drawLine(right + 1, ymid, opt.rect.right(), ymid);
 417                 } else
 418                         painter->drawLine(opt.rect.x(), ymid, opt.rect.right(), ymid);
 419         }
 420
 421
 422         ///
 423         QString underlineFilter(QString const & s) const
 424         {
 425                 // get filter
 426                 GuiLayoutBox * p = static_cast<GuiLayoutBox *>(parent());
 427                 QString const & f = p->filter();
 428                 if (f.isEmpty())
 429                         return s;
 430
 431                 // step through data item and put "(x)" for every matching character
 432                 QString r;
 433                 int lastp = -1;
 434                 p->filter();
 435                 for (int i = 0; i < f.length(); ++i) {
 436                         int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
 437                         LASSERT(p != -1, /**/);
 438                         if (lastp == p - 1 && lastp != -1) {
 439                                 // remove ")" and append "x)"
 440                                 r = r.left(r.length() - 4) + s[p] + "</u>";
 441                         } else {
 442                                 // append "(x)"
 443                                 r += s.mid(lastp + 1, p - lastp - 1);
 444                                 r += QString("<u>") + s[p] + "</u>";
 445                         }
 446                         lastp = p;
 447                 }
 448                 r += s.mid(lastp + 1);
 449                 return r;
 450         }
 451 };
 452
 453
 454 class GuiLayoutFilterModel : public QSortFilterProxyModel {
 455 public:
 456         ///
 457         GuiLayoutFilterModel(QObject * parent = 0)
 458                 : QSortFilterProxyModel(parent)
 459         {}
 460
 461         ///
 462         void triggerLayoutChange()
 463         {
 464                 layoutAboutToBeChanged();
 465                 layoutChanged();
 466         }
 467 };
 468
 469
 470 GuiLayoutBox::GuiLayoutBox(GuiToolbar * bar, GuiView & owner)
 471         : owner_(owner), bar_(bar), lastSel_(-1),
 472           layoutItemDelegate_(new LayoutItemDelegate(this)),
 473           visibleCategories_(0), inShowPopup_(false)
 474 {
 475         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 476         setFocusPolicy(Qt::ClickFocus);
 477         setMinimumWidth(sizeHint().width());
 478         setMaxVisibleItems(100);
 479
 480         // set the layout model with two columns
 481         // 1st: translated layout names
 482         // 2nd: raw layout names
 483         model_ = new QStandardItemModel(0, 2, this);
 484         filterModel_ = new GuiLayoutFilterModel(this);
 485         filterModel_->setSourceModel(model_);
 486         setModel(filterModel_);
 487
 488         // for the filtering we have to intercept characters
 489         view()->installEventFilter(this);
 490         view()->setItemDelegateForColumn(0, layoutItemDelegate_);
 491
 492         QObject::connect(this, SIGNAL(activated(int)),
 493                 this, SLOT(selected(int)));
 494         QObject::connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 495                 this, SLOT(setIconSize(QSize)));
 496
 497         owner_.setLayoutDialog(this);
 498         updateContents(true);
 499 }
 500
 501
 502 void GuiLayoutBox::setFilter(QString const & s)
 503 {
 504         bool enabled = view()->updatesEnabled();
 505         view()->setUpdatesEnabled(false);
 506
 507         // remember old selection
 508         int sel = currentIndex();
 509         if (sel != -1)
 510                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 511
 512         filter_ = s;
 513         filterModel_->setFilterRegExp(charFilterRegExp(filter_));
 514         countCategories();
 515
 516         // restore old selection
 517         if (lastSel_ != -1) {
 518                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 519                 if (i.isValid())
 520                         setCurrentIndex(i.row());
 521         }
 522
 523         // Workaround to resize to content size
 524         // FIXME: There must be a better way. The QComboBox::AdjustToContents)
 525         //        does not help.
 526         if (view()->isVisible()) {
 527                 // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 528                 // the hack in the item delegate to make space for the headers.
 529                 // We do not call our implementation of showPopup because that
 530                 // would reset the filter again. This is only needed if the user clicks
 531                 // on the QComboBox.
 532                 LASSERT(!inShowPopup_, /**/);
 533                 inShowPopup_ = true;
 534                 QComboBox::showPopup();
 535                 inShowPopup_ = false;
 536
 537                 // The item delegate hack is off again. So trigger a relayout of the popup.
 538                 filterModel_->triggerLayoutChange();
 539
 540                 if (!s.isEmpty())
 541                         owner_.message(_("Filtering layouts with \"" + fromqstr(s) + "\". "
 542                                          "Press ESC to remove filter."));
 543                 else
 544                         owner_.message(_("Enter characters to filter the layout list."));
 545         }
 546
 547         view()->setUpdatesEnabled(enabled);
 548 }
 549
 550
 551 void GuiLayoutBox::countCategories()
 552 {
 553         int n = filterModel_->rowCount();
 554         visibleCategories_ = 0;
 555         if (n == 0 || !lyxrc.group_layouts)
 556                 return;
 557
 558         // skip the "Standard" category
 559         QString prevCat = model_->index(0, 2).data().toString();
 560
 561         // count categories
 562         for (int i = 0; i < n; ++i) {
 563                 QString cat = filterModel_->index(i, 2).data().toString();
 564                 if (cat != prevCat)
 565                         ++visibleCategories_;
 566                 prevCat = cat;
 567         }
 568 }
 569
 570
 571 QString GuiLayoutBox::charFilterRegExp(QString const & filter)
 572 {
 573         QString re;
 574         for (int i = 0; i < filter.length(); ++i) {
 575                 QChar c = filter[i];
 576                 if (c.isLower())
 577                         re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
 578                 else
 579                         re += ".*" + QRegExp::escape(c);
 580         }
 581         return re;
 582 }
 583
 584
 585 void GuiLayoutBox::resetFilter()
 586 {
 587         setFilter(QString());
 588 }
 589
 590
 591 void GuiLayoutBox::showPopup()
 592 {
 593         owner_.message(_("Enter characters to filter the layout list."));
 594
 595         bool enabled = view()->updatesEnabled();
 596         view()->setUpdatesEnabled(false);
 597
 598         resetFilter();
 599
 600         // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 601         // the hack in the item delegate to make space for the headers.
 602         LASSERT(!inShowPopup_, /**/);
 603         inShowPopup_ = true;
 604         QComboBox::showPopup();
 605         inShowPopup_ = false;
 606
 607         // The item delegate hack is off again. So trigger a relayout of the popup.
 608         filterModel_->triggerLayoutChange();
 609
 610         view()->setUpdatesEnabled(enabled);
 611 }
 612
 613
 614 bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
 615 {
 616         if (e->type() != QEvent::KeyPress)
 617                 return QComboBox::eventFilter(o, e);
 618
 619         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 620         bool modified = (ke->modifiers() == Qt::ControlModifier)
 621                 || (ke->modifiers() == Qt::AltModifier)
 622                 || (ke->modifiers() == Qt::MetaModifier);
 623
 624         switch (ke->key()) {
 625         case Qt::Key_Escape:
 626                 if (!modified && !filter_.isEmpty()) {
 627                         resetFilter();
 628                         return true;
 629                 }
 630                 break;
 631         case Qt::Key_Backspace:
 632                 if (!modified) {
 633                         // cut off one character
 634                         setFilter(filter_.left(filter_.length() - 1));
 635                 }
 636                 break;
 637         default:
 638                 if (modified || ke->text().isEmpty())
 639                         break;
 640                 // find chars for the filter string
 641                 QString s;
 642                 for (int i = 0; i < ke->text().length(); ++i) {
 643                         QChar c = ke->text()[i];
 644                         if (c.isLetterOrNumber()
 645                             || c.isSymbol()
 646                             || c.isPunct()
 647                             || c.category() == QChar::Separator_Space) {
 648                                 s += c;
 649                         }
 650                 }
 651                 if (!s.isEmpty()) {
 652                         // append new chars to the filter string
 653                         setFilter(filter_ + s);
 654                         return true;
 655                 }
 656                 break;
 657         }
 658
 659         return QComboBox::eventFilter(o, e);
 660 }
 661
 662
 663 void GuiLayoutBox::setIconSize(QSize size)
 664 {
 665 #ifdef Q_WS_MACX
 666         bool small = size.height() < 20;
 667         setAttribute(Qt::WA_MacSmallSize, small);
 668         setAttribute(Qt::WA_MacNormalSize, !small);
 669 #endif
 670 }
 671
 672
 673 void GuiLayoutBox::set(docstring const & layout)
 674 {
 675         resetFilter();
 676
 677         if (!text_class_)
 678                 return;
 679
 680         QString const & name = toqstr((*text_class_)[layout].name());
 681         if (name == currentText())
 682                 return;
 683
 684         QList<QStandardItem *> r = model_->findItems(name, Qt::MatchExactly, 1);
 685         if (r.empty()) {
 686                 lyxerr << "Trying to select non existent layout type "
 687                         << fromqstr(name) << endl;
 688                 return;
 689         }
 690
 691         setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
 692 }
 693
 694
 695 void GuiLayoutBox::addItemSort(docstring const & item, docstring const & category,
 696         bool sorted, bool sortedByCat)
 697 {
 698         QString qitem = toqstr(item);
 699         QString titem = toqstr(translateIfPossible(item));
 700         QString qcat = toqstr(translateIfPossible(category));
 701
 702         QList<QStandardItem *> row;
 703         row.append(new QStandardItem(titem));
 704         row.append(new QStandardItem(qitem));
 705         row.append(new QStandardItem(qcat));
 706
 707         // the first entry is easy
 708         int const end = model_->rowCount();
 709         if (end == 0) {
 710                 model_->appendRow(row);
 711                 return;
 712         }
 713
 714         // find category
 715         int i = 0;
 716         if (sortedByCat) {
 717                 while (i < end && model_->item(i, 2)->text() != qcat)
 718                         ++i;
 719         }
 720
 721         // skip the Standard layout
 722         if (i == 0)
 723                 ++i;
 724
 725         // the simple unsorted case
 726         if (!sorted) {
 727                 if (sortedByCat) {
 728                         // jump to the end of the category group
 729                         while (i < end && model_->item(i, 2)->text() == qcat)
 730                                 ++i;
 731                         model_->insertRow(i, row);
 732                 } else
 733                         model_->appendRow(row);
 734                 return;
 735         }
 736
 737         // find row to insert the item, after the separator if it exists
 738         if (i < end) {
 739                 // find alphabetic position
 740                 while (i != end
 741                        && model_->item(i, 0)->text().compare(titem) < 0
 742                        && (!sortedByCat || model_->item(i, 2)->text() == qcat))
 743                         ++i;
 744         }
 745
 746         model_->insertRow(i, row);
 747 }
 748
 749
 750 void GuiLayoutBox::updateContents(bool reset)
 751 {
 752         resetFilter();
 753
 754         Buffer const * buffer = owner_.buffer();
 755         if (!buffer) {
 756                 model_->clear();
 757                 setEnabled(false);
 758                 text_class_ = 0;
 759                 inset_ = 0;
 760                 return;
 761         }
 762
 763         // we'll only update the layout list if the text class has changed
 764         // or we've moved from one inset to another
 765         DocumentClass const * text_class = &buffer->params().documentClass();
 766         Inset const * inset =
 767                 owner_.view()->cursor().innerParagraph().inInset();
 768         if (!reset && text_class_ == text_class && inset_ == inset) {
 769                 set(owner_.view()->cursor().innerParagraph().layout().name());
 770                 return;
 771         }
 772
 773         inset_ = inset;
 774         text_class_ = text_class;
 775
 776         model_->clear();
 777         DocumentClass::const_iterator lit = text_class_->begin();
 778         DocumentClass::const_iterator len = text_class_->end();
 779
 780         for (; lit != len; ++lit) {
 781                 docstring const & name = lit->name();
 782                 bool const useEmpty = inset_->forceEmptyLayout() || inset_->useEmptyLayout();
 783                 // if this inset requires the empty layout, we skip the default
 784                 // layout
 785                 if (name == text_class_->defaultLayoutName() && inset_ && useEmpty)
 786                         continue;
 787                 // if it doesn't require the empty layout, we skip it
 788                 if (name == text_class_->emptyLayoutName() && inset_ && !useEmpty)
 789                         continue;
 790                 addItemSort(name, lit->category(), lyxrc.sort_layouts, lyxrc.group_layouts);
 791         }
 792
 793         set(owner_.view()->cursor().innerParagraph().layout().name());
 794         countCategories();
 795
 796         // needed to recalculate size hint
 797         hide();
 798         setMinimumWidth(sizeHint().width());
 799         setEnabled(!buffer->isReadonly());
 800         show();
 801 }
 802
 803
 804 void GuiLayoutBox::selected(int index)
 805 {
 806         // get selection
 807         QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
 808         docstring const layoutName =
 809                 qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
 810
 811         owner_.setFocus();
 812
 813         if (!text_class_) {
 814                 updateContents(false);
 815                 resetFilter();
 816                 return;
 817         }
 818
 819         // find corresponding text class
 820         if (text_class_->hasLayout(layoutName)) {
 821                 FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
 822                 theLyXFunc().setLyXView(&owner_);
 823                 lyx::dispatch(func);
 824                 updateContents(false);
 825                 resetFilter();
 826                 return;
 827         }
 828         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 829 }
 830
 831
 832
 833 /////////////////////////////////////////////////////////////////////
 834 //
 835 // GuiToolbar
 836 //
 837 /////////////////////////////////////////////////////////////////////
 838
 839
 840 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 841         : QToolBar(qt_(tbinfo.gui_name), &owner), owner_(owner),
 842           layout_(0), command_buffer_(0)
 843 {
 844         // give visual separation between adjacent toolbars
 845         addSeparator();
 846
 847         // TODO: save toolbar position
 848         setMovable(true);
 849
 850         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 851         ToolbarInfo::item_iterator end = tbinfo.items.end();
 852         for (; it != end; ++it)
 853                 add(*it);
 854 }
 855
 856
 857 Action * GuiToolbar::addItem(ToolbarItem const & item)
 858 {
 859         Action * act = new Action(&owner_, getIcon(item.func_, false),
 860                 toqstr(item.label_), item.func_, toqstr(item.label_), this);
 861         actions_.append(act);
 862         return act;
 863 }
 864
 865 namespace {
 866
 867 class PaletteButton : public QToolButton
 868 {
 869 private:
 870         GuiToolbar * bar_;
 871         ToolbarItem const & tbitem_;
 872         bool initialized_;
 873 public:
 874         PaletteButton(GuiToolbar * bar, ToolbarItem const & item)
 875                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 876         {
 877                 QString const label = qt_(to_ascii(tbitem_.label_));
 878                 setToolTip(label);
 879                 setStatusTip(label);
 880                 setText(label);
 881                 connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 882                         this, SLOT(setIconSize(QSize)));
 883                 setCheckable(true);
 884                 ToolbarInfo const * tbinfo =
 885                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 886                 if (tbinfo)
 887                         // use the icon of first action for the toolbar button
 888                         setIcon(getIcon(tbinfo->items.begin()->func_, true));
 889         }
 890
 891         void mousePressEvent(QMouseEvent * e)
 892         {
 893                 if (initialized_) {
 894                         QToolButton::mousePressEvent(e);
 895                         return;
 896                 }
 897
 898                 initialized_ = true;
 899
 900                 ToolbarInfo const * tbinfo =
 901                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 902                 if (!tbinfo) {
 903                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 904                         return;
 905                 }
 906                 IconPalette * panel = new IconPalette(this);
 907                 QString const label = qt_(to_ascii(tbitem_.label_));
 908                 panel->setWindowTitle(label);
 909                 connect(this, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 910                 connect(panel, SIGNAL(visible(bool)), this, SLOT(setChecked(bool)));
 911                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 912                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 913                 for (; it != end; ++it)
 914                         if (!getStatus(it->func_).unknown())
 915                                 panel->addButton(bar_->addItem(*it));
 916
 917                 QToolButton::mousePressEvent(e);
 918         }
 919 };
 920
 921 class MenuButton : public QToolButton
 922 {
 923 private:
 924         GuiToolbar * bar_;
 925         ToolbarItem const & tbitem_;
 926         bool initialized_;
 927 public:
 928         MenuButton(GuiToolbar * bar, ToolbarItem const & item)
 929                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 930         {
 931                 setPopupMode(QToolButton::InstantPopup);
 932                 QString const label = qt_(to_ascii(tbitem_.label_));
 933                 setToolTip(label);
 934                 setStatusTip(label);
 935                 setText(label);
 936                 setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
 937                 connect(bar, SIGNAL(iconSizeChanged(QSize)),
 938                         this, SLOT(setIconSize(QSize)));
 939         }
 940
 941         void mousePressEvent(QMouseEvent * e)
 942         {
 943                 if (initialized_) {
 944                         QToolButton::mousePressEvent(e);
 945                         return;
 946                 }
 947
 948                 initialized_ = true;
 949
 950                 QString const label = qt_(to_ascii(tbitem_.label_));
 951                 ButtonMenu * m = new ButtonMenu(label, this);
 952                 m->setWindowTitle(label);
 953                 m->setTearOffEnabled(true);
 954                 connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
 955                 ToolbarInfo const * tbinfo =
 956                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 957                 if (!tbinfo) {
 958                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 959                         return;
 960                 }
 961                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 962                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 963                 for (; it != end; ++it)
 964                         if (!getStatus(it->func_).unknown())
 965                                 m->add(bar_->addItem(*it));
 966                 setMenu(m);
 967
 968                 QToolButton::mousePressEvent(e);
 969         }
 970 };
 971
 972 }
 973
 974
 975 void GuiToolbar::add(ToolbarItem const & item)
 976 {
 977         switch (item.type_) {
 978         case ToolbarItem::SEPARATOR:
 979                 addSeparator();
 980                 break;
 981         case ToolbarItem::LAYOUTS:
 982                 layout_ = new GuiLayoutBox(this, owner_);
 983                 addWidget(layout_);
 984                 break;
 985         case ToolbarItem::MINIBUFFER:
 986                 command_buffer_ = new GuiCommandBuffer(&owner_);
 987                 addWidget(command_buffer_);
 988                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
 989                 //setHorizontalStretchable(true);
 990                 break;
 991         case ToolbarItem::TABLEINSERT: {
 992                 QToolButton * tb = new QToolButton;
 993                 tb->setCheckable(true);
 994                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
 995                 QString const label = qt_(to_ascii(item.label_));
 996                 tb->setToolTip(label);
 997                 tb->setStatusTip(label);
 998                 tb->setText(label);
 999                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
1000                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
1001                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
1002                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
1003                 addWidget(tb);
1004                 break;
1005                 }
1006         case ToolbarItem::ICONPALETTE:
1007                 addWidget(new PaletteButton(this, item));
1008                 break;
1009
1010         case ToolbarItem::POPUPMENU: {
1011                 addWidget(new MenuButton(this, item));
1012                 break;
1013                 }
1014         case ToolbarItem::COMMAND: {
1015                 if (!getStatus(item.func_).unknown())
1016                         addAction(addItem(item));
1017                 break;
1018                 }
1019         default:
1020                 break;
1021         }
1022 }
1023
1024
1025 void GuiToolbar::saveInfo(ToolbarSection::ToolbarInfo & tbinfo)
1026 {
1027         // if tbinfo.state == auto *do not* set on/off
1028         if (tbinfo.state != ToolbarSection::ToolbarInfo::AUTO) {
1029                 if (GuiToolbar::isVisible())
1030                         tbinfo.state = ToolbarSection::ToolbarInfo::ON;
1031                 else
1032                         tbinfo.state = ToolbarSection::ToolbarInfo::OFF;
1033         }
1034         //
1035         // no need to save it here.
1036         Qt::ToolBarArea loc = owner_.toolBarArea(this);
1037
1038         if (loc == Qt::TopToolBarArea)
1039                 tbinfo.location = ToolbarSection::ToolbarInfo::TOP;
1040         else if (loc == Qt::BottomToolBarArea)
1041                 tbinfo.location = ToolbarSection::ToolbarInfo::BOTTOM;
1042         else if (loc == Qt::RightToolBarArea)
1043                 tbinfo.location = ToolbarSection::ToolbarInfo::RIGHT;
1044         else if (loc == Qt::LeftToolBarArea)
1045                 tbinfo.location = ToolbarSection::ToolbarInfo::LEFT;
1046         else
1047                 tbinfo.location = ToolbarSection::ToolbarInfo::NOTSET;
1048
1049         // save toolbar position. They are not used to restore toolbar position
1050         // now because move(x,y) does not work for toolbar.
1051         tbinfo.posx = pos().x();
1052         tbinfo.posy = pos().y();
1053 }
1054
1055
1056 void GuiToolbar::updateContents()
1057 {
1058         // update visible toolbars only
1059         if (!isVisible())
1060                 return;
1061         // This is a speed bottleneck because this is called on every keypress
1062         // and update calls getStatus, which copies the cursor at least two times
1063         for (int i = 0; i < actions_.size(); ++i)
1064                 actions_[i]->update();
1065
1066         if (layout_)
1067                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
1068
1069         // emit signal
1070         updated();
1071 }
1072
1073
1074 } // namespace frontend
1075 } // namespace lyx
1076
1077 #include "GuiToolbar_moc.cpp"