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 Abdelrazak Younes
  11  *
  12  * Full author contact details are available in file CREDITS.
  13  */
  14
  15 #include <config.h>
  16
  17 #include "GuiView.h"
  18 #include "GuiCommandBuffer.h"
  19 #include "GuiToolbar.h"
  20 #include "LyXAction.h"
  21 #include "Action.h"
  22 #include "qt_helpers.h"
  23 #include "InsertTableWidget.h"
  24
  25 #include "Buffer.h"
  26 #include "BufferParams.h"
  27 #include "BufferView.h"
  28 #include "Cursor.h"
  29 #include "FuncRequest.h"
  30 #include "FuncStatus.h"
  31 #include "IconPalette.h"
  32 #include "Layout.h"
  33 #include "LyXFunc.h"
  34 #include "LyXRC.h"
  35 #include "Paragraph.h"
  36 #include "TextClass.h"
  37 #include "ToolbarBackend.h"
  38
  39 #include "support/debug.h"
  40 #include "support/filetools.h"
  41 #include "support/gettext.h"
  42 #include "support/lstrings.h"
  43 #include "support/lyxalgo.h" // sorted
  44
  45 #include <QAbstractItemDelegate>
  46 #include <QAbstractTextDocumentLayout>
  47 #include <QApplication>
  48 #include <QComboBox>
  49 #include <QHeaderView>
  50 #include <QKeyEvent>
  51 #include <QList>
  52 #include <QPainter>
  53 #include <QPixmap>
  54 #include <QSortFilterProxyModel>
  55 #include <QStandardItem>
  56 #include <QStandardItemModel>
  57 #include <QTextDocument>
  58 #include <QToolBar>
  59 #include <QToolButton>
  60 #include <QVariant>
  61
  62 #include <boost/assert.hpp>
  63
  64 using namespace std;
  65 using namespace lyx::support;
  66
  67 static void initializeResources()
  68 {
  69         static bool initialized = false;
  70         if (!initialized) {
  71                 Q_INIT_RESOURCE(Resources);
  72                 initialized = true;
  73         }
  74 }
  75
  76
  77 namespace lyx {
  78 namespace frontend {
  79
  80 namespace {
  81
  82 struct PngMap {
  83         char const * key;
  84         char const * value;
  85 };
  86
  87
  88 bool operator<(PngMap const & lhs, PngMap const & rhs)
  89 {
  90                 return strcmp(lhs.key, rhs.key) < 0;
  91 }
  92
  93
  94 class CompareKey {
  95 public:
  96         CompareKey(string const & name) : name_(name) {}
  97         bool operator()(PngMap const & other) const { return other.key == name_; }
  98 private:
  99         string const name_;
 100 };
 101
 102
 103 PngMap sorted_png_map[] = {
 104         { "Bumpeq", "bumpeq2" },
 105         { "Cap", "cap2" },
 106         { "Cup", "cup2" },
 107         { "Delta", "delta2" },
 108         { "Downarrow", "downarrow2" },
 109         { "Gamma", "gamma2" },
 110         { "Lambda", "lambda2" },
 111         { "Leftarrow", "leftarrow2" },
 112         { "Leftrightarrow", "leftrightarrow2" },
 113         { "Longleftarrow", "longleftarrow2" },
 114         { "Longleftrightarrow", "longleftrightarrow2" },
 115         { "Longrightarrow", "longrightarrow2" },
 116         { "Omega", "omega2" },
 117         { "Phi", "phi2" },
 118         { "Pi", "pi2" },
 119         { "Psi", "psi2" },
 120         { "Rightarrow", "rightarrow2" },
 121         { "Sigma", "sigma2" },
 122         { "Subset", "subset2" },
 123         { "Supset", "supset2" },
 124         { "Theta", "theta2" },
 125         { "Uparrow", "uparrow2" },
 126         { "Updownarrow", "updownarrow2" },
 127         { "Upsilon", "upsilon2" },
 128         { "Vdash", "vdash3" },
 129         { "Xi", "xi2" },
 130         { "nLeftarrow", "nleftarrow2" },
 131         { "nLeftrightarrow", "nleftrightarrow2" },
 132         { "nRightarrow", "nrightarrow2" },
 133         { "nVDash", "nvdash3" },
 134         { "nvDash", "nvdash2" },
 135         { "textrm \\AA", "textrm_AA"},
 136         { "textrm \\O", "textrm_O"},
 137         { "vDash", "vdash2" }
 138 };
 139
 140 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
 141
 142
 143 string const find_png(string const & name)
 144 {
 145         PngMap const * const begin = sorted_png_map;
 146         PngMap const * const end = begin + nr_sorted_png_map;
 147         BOOST_ASSERT(sorted(begin, end));
 148
 149         PngMap const * const it = find_if(begin, end, CompareKey(name));
 150
 151         string png_name;
 152         if (it != end)
 153                 png_name = it->value;
 154         else {
 155                 png_name = subst(name, "_", "underscore");
 156                 png_name = subst(png_name, ' ', '_');
 157
 158                 // This way we can have "math-delim { }" on the toolbar.
 159                 png_name = subst(png_name, "(", "lparen");
 160                 png_name = subst(png_name, ")", "rparen");
 161                 png_name = subst(png_name, "[", "lbracket");
 162                 png_name = subst(png_name, "]", "rbracket");
 163                 png_name = subst(png_name, "{", "lbrace");
 164                 png_name = subst(png_name, "}", "rbrace");
 165                 png_name = subst(png_name, "|", "bars");
 166                 png_name = subst(png_name, ",", "thinspace");
 167                 png_name = subst(png_name, ":", "mediumspace");
 168                 png_name = subst(png_name, ";", "thickspace");
 169                 png_name = subst(png_name, "!", "negthinspace");
 170         }
 171
 172         LYXERR(Debug::GUI, "find_png(" << name << ")\n"
 173                 << "Looking for math PNG called \"" << png_name << '"');
 174         return png_name;
 175 }
 176
 177 } // namespace anon
 178
 179
 180 /// return a icon for the given action
 181 static QIcon getIcon(FuncRequest const & f, bool unknown)
 182 {
 183         initializeResources();
 184         QPixmap pm;
 185         string name1;
 186         string name2;
 187         string path;
 188         string fullname;
 189
 190         switch (f.action) {
 191         case LFUN_MATH_INSERT:
 192                 if (!f.argument().empty()) {
 193                         path = "math/";
 194                         name1 = find_png(to_utf8(f.argument()).substr(1));
 195                 }
 196                 break;
 197         case LFUN_MATH_DELIM:
 198         case LFUN_MATH_BIGDELIM:
 199                 path = "math/";
 200                 name1 = find_png(to_utf8(f.argument()));
 201                 break;
 202         case LFUN_CALL:
 203                 path = "commands/";
 204                 name1 = to_utf8(f.argument());
 205                 break;
 206         default:
 207                 name2 = lyxaction.getActionName(f.action);
 208                 name1 = name2;
 209
 210                 if (!f.argument().empty())
 211                         name1 = subst(name2 + ' ' + to_utf8(f.argument()), ' ', '_');
 212         }
 213
 214         fullname = libFileSearch("images/" + path, name1, "png").absFilename();
 215         if (pm.load(toqstr(fullname)))
 216                 return pm;
 217
 218         fullname = libFileSearch("images/" + path, name2, "png").absFilename();
 219         if (pm.load(toqstr(fullname)))
 220                 return pm;
 221
 222         if (pm.load(":/images/" + toqstr(path + name1) + ".png"))
 223                 return pm;
 224
 225         if (pm.load(":/images/" + toqstr(path + name2) + ".png"))
 226                 return pm;
 227
 228         LYXERR(Debug::GUI, "Cannot find icon for command \""
 229                            << lyxaction.getActionName(f.action)
 230                            << '(' << to_utf8(f.argument()) << ")\"");
 231         if (unknown)
 232                 pm.load(":/images/unknown.png");
 233
 234         return pm;
 235 }
 236
 237
 238 /////////////////////////////////////////////////////////////////////
 239 //
 240 // GuiLayoutBox
 241 //
 242 /////////////////////////////////////////////////////////////////////
 243
 244 class FilterItemDelegate : public QAbstractItemDelegate {
 245 public:
 246         ///
 247         explicit FilterItemDelegate(QObject * parent = 0)
 248                 : QAbstractItemDelegate(parent) {}
 249
 250         ///
 251         void paint(QPainter * painter, QStyleOptionViewItem const & option,
 252                 QModelIndex const & index) const {
 253                 QComboBox * combo = static_cast<QComboBox *>(parent());
 254                 QStyleOptionMenuItem opt = getStyleOption(option, index);
 255
 256                 // draw line with small text string for separator
 257                 if (opt.text.left(2) == "--") {
 258                         painter->save();
 259
 260                         // set options for the separator, the first 8/18 of the vertical space
 261                         QStyleOptionMenuItem sopt = opt;
 262                         sopt.state = QStyle::State_Active | QStyle::State_Enabled;
 263                         sopt.checked = false;
 264                         sopt.text = QString();
 265                         sopt.rect.setHeight(sopt.rect.height() * 8 / 18);
 266                         sopt.menuRect.setHeight(sopt.menuRect.height() * 8 / 18);
 267
 268                         // use the style with an empty text to paint the background
 269                         painter->eraseRect(sopt.rect);
 270                         combo->style()->drawControl(QStyle::CE_MenuItem, &sopt, painter, combo->view());
 271
 272                         // draw the centered text, small and bold
 273                         QPen pen;
 274                         pen.setWidth(1);
 275                         pen.setColor(sopt.palette.text().color());
 276                         painter->setPen(pen);
 277                         QFont font = sopt.font;
 278                         font.setBold(true);
 279                         font.setWeight(QFont::Black);
 280                         font.setPointSize(sopt.font.pointSize() * 8 / 10);
 281                         painter->setFont(font);
 282                         QRect brect;
 283                         painter->drawText(sopt.rect, Qt::AlignCenter, "Modules", &brect);
 284
 285                         // draw the horizontal line
 286                         QColor lcol = sopt.palette.text().color();
 287                         lcol.setAlpha(127);
 288                         painter->setPen(lcol);
 289                         painter->drawLine(sopt.rect.x(), sopt.rect.y() + sopt.rect.height() / 2 ,
 290                                           brect.left() - 1, sopt.rect.y() + sopt.rect.height() / 2);
 291                         painter->drawLine(brect.right() + 1, sopt.rect.y() + sopt.rect.height() / 2,
 292                                           sopt.rect.right(), sopt.rect.y() + sopt.rect.height() / 2);
 293
 294                         painter->restore();
 295
 296                         // move rect down 8/20 of the original height
 297                         opt.rect.setTop(sopt.rect.y() + sopt.rect.height());
 298                         opt.menuRect = opt.rect;
 299                 }
 300
 301                 // Draw using the menu item style (this is how QComboBox does it).
 302                 // But for the rich text drawing below we will call it with an
 303                 // empty string, and later then draw over it the real string.
 304                 painter->save();
 305                 QString text = underlineFilter(opt.text);
 306                 opt.text = QString();
 307                 painter->eraseRect(opt.rect);
 308                 combo->style()->drawControl(QStyle::CE_MenuItem, &opt, painter, combo->view());
 309                 painter->restore();
 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(text);
 322                 painter->translate(opt.rect.x() + 20, opt.rect.y());
 323                 doc.documentLayout()->draw(painter, context);
 324                 painter->restore();
 325         }
 326
 327         ///
 328         QSize sizeHint(QStyleOptionViewItem const & option,
 329                 QModelIndex const & index) const {
 330                 QComboBox * combo = static_cast<QComboBox *>(parent());
 331
 332                 QStyleOptionMenuItem opt = getStyleOption(option, index);
 333                 QSize size = combo->style()->sizeFromContents(
 334                          QStyle::CT_MenuItem, &opt, option.rect.size(), combo);
 335                 if (opt.text.left(2) == "--")
 336                         size.setHeight(size.height() * 18 / 10);
 337                 return size;
 338         }
 339
 340 private:
 341         ///
 342         QString underlineFilter(QString const & s) const
 343         {
 344                 // get filter
 345                 GuiLayoutBox * p = static_cast<GuiLayoutBox *>(parent());
 346                 QString const & f = p->filter();
 347                 if (f.isEmpty())
 348                         return s;
 349
 350                 // step through data item and put "(x)" for every matching character
 351                 QString r;
 352                 int lastp = -1;
 353                 p->filter();
 354                 for (int i = 0; i < f.length(); ++i) {
 355                         int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
 356                         BOOST_ASSERT(p != -1);
 357                         if (lastp == p - 1 && lastp != -1) {
 358                                 // remove ")" and append "x)"
 359                                 r = r.left(r.length() - 4) + s[p] + "</u>";
 360                         } else {
 361                                 // append "(x)"
 362                                 r += s.mid(lastp + 1, p - lastp - 1);
 363                                 r += QString("<u>") + s[p] + "</u>";
 364                         }
 365                         lastp = p;
 366                 }
 367                 r += s.mid(lastp + 1);
 368                 return r;
 369         }
 370
 371         ///
 372         QStyleOptionMenuItem getStyleOption(QStyleOptionViewItem const & option,
 373                 QModelIndex const & index) const
 374         {
 375                 QComboBox * combo = static_cast<QComboBox *>(parent());
 376
 377                 // create the options for a menu item
 378                 QStyleOptionMenuItem menuOption;
 379                 menuOption.palette = QApplication::palette("QMenu");
 380                 menuOption.checkType = QStyleOptionMenuItem::NonExclusive;
 381                 menuOption.state = QStyle::State_Active | QStyle::State_Enabled;
 382                 menuOption.menuRect = option.rect;
 383                 menuOption.rect = option.rect;
 384                 menuOption.font = combo->font();
 385                 menuOption.fontMetrics = QFontMetrics(menuOption.font);
 386                 menuOption.tabWidth = 0;
 387                 menuOption.text = index.model()->data(index, Qt::DisplayRole).toString()
 388                         .replace(QLatin1Char('&'), QLatin1String("&&"));
 389                 menuOption.menuItemType = QStyleOptionMenuItem::Normal;
 390                 if (option.state & QStyle::State_Selected)
 391                         menuOption.state |= QStyle::State_Selected;
 392                 menuOption.checked = combo->currentIndex() == index.row();
 393
 394                 return menuOption;
 395         }
 396 };
 397
 398
 399 class GuiFilterProxyModel : public QSortFilterProxyModel
 400 {
 401 public:
 402         ///
 403         GuiFilterProxyModel(QObject * parent)
 404                 : QSortFilterProxyModel(parent) {}
 405
 406         ///
 407         void setCharFilter(QString const & f)
 408         {
 409                 setFilterRegExp(charFilterRegExp(f));
 410                 dataChanged(index(0, 0), index(rowCount() - 1, 1));
 411         }
 412
 413 private:
 414         ///
 415         QString charFilterRegExp(QString const & filter)
 416         {
 417                 QString re;
 418                 for (int i = 0; i < filter.length(); ++i)
 419                         re += ".*" + QRegExp::escape(filter[i]);
 420                 return re;
 421         }
 422 };
 423
 424
 425 GuiLayoutBox::GuiLayoutBox(GuiView & owner)
 426         : owner_(owner), filterItemDelegate_(new FilterItemDelegate(this))
 427 {
 428         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 429         setFocusPolicy(Qt::ClickFocus);
 430         setMinimumWidth(sizeHint().width());
 431         setMaxVisibleItems(100);
 432
 433         // set the layout model with two columns
 434         // 1st: translated layout names
 435         // 2nd: raw layout names
 436         model_ = new QStandardItemModel(0, 2, this);
 437         filterModel_ = new GuiFilterProxyModel(this);
 438         filterModel_->setSourceModel(model_);
 439         filterModel_->setDynamicSortFilter(true);
 440         filterModel_->setFilterCaseSensitivity(Qt::CaseInsensitive);
 441         setModel(filterModel_);
 442
 443         // for the filtering we have to intercept characters
 444         view()->installEventFilter(this);
 445         view()->setItemDelegateForColumn(0, filterItemDelegate_);
 446
 447         QObject::connect(this, SIGNAL(activated(int)),
 448                          this, SLOT(selected(int)));
 449         owner_.setLayoutDialog(this);
 450         updateContents(true);
 451 }
 452
 453
 454 void GuiLayoutBox::setFilter(QString const & s)
 455 {
 456         // remember old selection
 457         int sel = currentIndex();
 458         if (sel != -1)
 459                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 460
 461         filter_ = s;
 462         filterModel_->setCharFilter(s);
 463
 464         // restore old selection
 465         if (lastSel_ != -1) {
 466                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 467                 if (i.isValid())
 468                         setCurrentIndex(i.row());
 469         }
 470
 471         // Workaround to resize to content size
 472         // FIXME: There must be a better way. The QComboBox::AdjustToContents)
 473         //        does not help.
 474         if (view()->isVisible())
 475                 QComboBox::showPopup();
 476 }
 477
 478
 479 void GuiLayoutBox::resetFilter()
 480 {
 481         setFilter(QString());
 482 }
 483
 484
 485 void GuiLayoutBox::showPopup()
 486 {
 487         resetFilter();
 488         owner_.message(_("Enter characters to filter the layout list."));
 489         QComboBox::showPopup();
 490 }
 491
 492
 493 bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
 494 {
 495         if (e->type() != QEvent::KeyPress)
 496                 return QComboBox::eventFilter(o, e);
 497
 498         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 499         bool modified = (ke->modifiers() == Qt::ControlModifier)
 500                 || (ke->modifiers() == Qt::AltModifier)
 501                 || (ke->modifiers() == Qt::MetaModifier);
 502
 503         switch (ke->key()) {
 504         case Qt::Key_Escape:
 505                 if (!modified && !filter_.isEmpty()) {
 506                         resetFilter();
 507                         return true;
 508                 }
 509                 break;
 510         case Qt::Key_Backspace:
 511                 if (!modified) {
 512                         // cut off one character
 513                         setFilter(filter_.left(filter_.length() - 1));
 514                 }
 515                 break;
 516         default:
 517                 if (modified || ke->text().isEmpty())
 518                         break;
 519                 // find chars for the filter string
 520                 QString s;
 521                 for (int i = 0; i < ke->text().length(); ++i) {
 522                         QChar c = ke->text()[i];
 523                         if (c.isLetterOrNumber()
 524                             || c.isSymbol()
 525                             || c.isPunct()
 526                             || c.category() == QChar::Separator_Space) {
 527                                 s += c;
 528                         }
 529                 }
 530                 if (!s.isEmpty()) {
 531                         // append new chars to the filter string
 532                         setFilter(filter_ + s);
 533                         return true;
 534                 }
 535                 break;
 536         }
 537
 538         return QComboBox::eventFilter(o, e);
 539 }
 540
 541
 542 void GuiLayoutBox::set(docstring const & layout)
 543 {
 544         resetFilter();
 545
 546         if (!text_class_)
 547                 return;
 548
 549         QString const & name = toqstr((*text_class_)[layout].name());
 550         if (name == currentText())
 551                 return;
 552
 553         QList<QStandardItem *> r = model_->findItems(name, Qt::MatchExactly, 1);
 554         if (r.empty()) {
 555                 lyxerr << "Trying to select non existent layout type "
 556                         << fromqstr(name) << endl;
 557                 return;
 558         }
 559
 560         setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
 561 }
 562
 563
 564 void GuiLayoutBox::addItemSort(docstring const & item, bool sorted)
 565 {
 566         QString qitem = toqstr(item);
 567         QString titem = toqstr(translateIfPossible(item));
 568
 569         QList<QStandardItem *> row;
 570         row.append(new QStandardItem(titem));
 571         row.append(new QStandardItem(qitem));
 572
 573         // the simple unsorted case
 574         int const end = model_->rowCount();
 575         if (!sorted || end < 2 || qitem[0].category() != QChar::Letter_Uppercase) {
 576                 model_->appendRow(row);
 577                 return;
 578         }
 579
 580         // find row to insert the item, after the separator if it exists
 581         int i = 1; // skip the Standard layout
 582
 583         QList<QStandardItem *> sep = model_->findItems("--", Qt::MatchStartsWith);
 584         if (!sep.isEmpty())
 585                 i = sep.first()->index().row() + 1;
 586         if (i < model_->rowCount()) {
 587                 // find alphabetic position
 588                 QString is = model_->item(i, 0)->text();
 589                 while (is.compare(titem) < 0) {
 590                         // e.g. --Separator--
 591                         if (is.at(0).category() != QChar::Letter_Uppercase)
 592                                 break;
 593                         ++i;
 594                         if (i == end)
 595                                 break;
 596                         is = model_->item(i, 0)->text();
 597                 }
 598         }
 599
 600         model_->insertRow(i, row);
 601 }
 602
 603
 604 void GuiLayoutBox::updateContents(bool reset)
 605 {
 606         resetFilter();
 607
 608         Buffer const * buffer = owner_.buffer();
 609         if (!buffer) {
 610                 model_->clear();
 611                 setEnabled(false);
 612                 text_class_ = 0;
 613                 inset_ = 0;
 614                 return;
 615         }
 616
 617         // we'll only update the layout list if the text class has changed
 618         // or we've moved from one inset to another
 619         DocumentClass const * text_class = &buffer->params().documentClass();
 620         Inset const * inset =
 621         owner_.view()->cursor().innerParagraph().inInset();
 622         if (!reset && text_class_ == text_class && inset_ == inset) {
 623                 set(owner_.view()->cursor().innerParagraph().layout().name());
 624                 return;
 625         }
 626
 627         inset_ = inset;
 628         text_class_ = text_class;
 629
 630         model_->clear();
 631         DocumentClass::const_iterator lit = text_class_->begin();
 632         DocumentClass::const_iterator len = text_class_->end();
 633         for (; lit != len; ++lit) {
 634                 docstring const & name = lit->name();
 635                 // if this inset requires the empty layout, we skip the default
 636                 // layout
 637                 if (name == text_class_->defaultLayoutName() && inset &&
 638                     (inset->forceEmptyLayout() || inset->useEmptyLayout()))
 639                         continue;
 640                 // if it doesn't require the empty layout, we skip it
 641                 if (name == text_class_->emptyLayoutName() && inset &&
 642                     !inset->forceEmptyLayout() && !inset->useEmptyLayout())
 643                         continue;
 644                 addItemSort(name, lyxrc.sort_layouts);
 645         }
 646
 647         set(owner_.view()->cursor().innerParagraph().layout().name());
 648
 649         // needed to recalculate size hint
 650         hide();
 651         setMinimumWidth(sizeHint().width());
 652         setEnabled(!buffer->isReadonly());
 653         show();
 654 }
 655
 656
 657 void GuiLayoutBox::selected(int index)
 658 {
 659         // get selection
 660         QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
 661         docstring const layoutName =
 662                 qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
 663
 664         owner_.setFocus();
 665
 666         if (!text_class_) {
 667                 updateContents(false);
 668                 resetFilter();
 669                 return;
 670         }
 671
 672         // find corresponding text class
 673         if (text_class_->hasLayout(layoutName)) {
 674                 FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
 675                 theLyXFunc().setLyXView(&owner_);
 676                 lyx::dispatch(func);
 677                 updateContents(false);
 678                 resetFilter();
 679                 return;
 680         }
 681         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 682 }
 683
 684
 685
 686 /////////////////////////////////////////////////////////////////////
 687 //
 688 // GuiToolbar
 689 //
 690 /////////////////////////////////////////////////////////////////////
 691
 692
 693 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 694         : QToolBar(qt_(tbinfo.gui_name), &owner), owner_(owner),
 695           layout_(0), command_buffer_(0)
 696 {
 697         // give visual separation between adjacent toolbars
 698         addSeparator();
 699
 700         // TODO: save toolbar position
 701         setMovable(true);
 702
 703         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 704         ToolbarInfo::item_iterator end = tbinfo.items.end();
 705         for (; it != end; ++it)
 706                 add(*it);
 707 }
 708
 709
 710 Action * GuiToolbar::addItem(ToolbarItem const & item)
 711 {
 712         Action * act = new Action(owner_,
 713                 getIcon(item.func_, false),
 714           toqstr(item.label_), item.func_, toqstr(item.label_));
 715         actions_.append(act);
 716         return act;
 717 }
 718
 719 namespace {
 720
 721 class PaletteButton : public QToolButton
 722 {
 723 private:
 724         GuiToolbar * bar_;
 725         ToolbarItem const & tbitem_;
 726         bool initialized_;
 727 public:
 728         PaletteButton(GuiToolbar * bar, ToolbarItem const & item)
 729                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 730         {
 731                 QString const label = qt_(to_ascii(tbitem_.label_));
 732                 setToolTip(label);
 733                 setStatusTip(label);
 734                 setText(label);
 735                 connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 736                         this, SLOT(setIconSize(QSize)));
 737                 setCheckable(true);
 738                 ToolbarInfo const * tbinfo =
 739                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 740                 if (tbinfo)
 741                         // use the icon of first action for the toolbar button
 742                         setIcon(getIcon(tbinfo->items.begin()->func_, true));
 743         }
 744
 745         void mousePressEvent(QMouseEvent * e)
 746         {
 747                 if (initialized_) {
 748                         QToolButton::mousePressEvent(e);
 749                         return;
 750                 }
 751
 752                 initialized_ = true;
 753
 754                 ToolbarInfo const * tbinfo =
 755                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 756                 if (!tbinfo) {
 757                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 758                         return;
 759                 }
 760                 IconPalette * panel = new IconPalette(this);
 761                 QString const label = qt_(to_ascii(tbitem_.label_));
 762                 panel->setWindowTitle(label);
 763                 connect(this, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 764                 connect(panel, SIGNAL(visible(bool)), this, SLOT(setChecked(bool)));
 765                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 766                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 767                 for (; it != end; ++it)
 768                         if (!getStatus(it->func_).unknown())
 769                                 panel->addButton(bar_->addItem(*it));
 770
 771                 QToolButton::mousePressEvent(e);
 772         }
 773 };
 774
 775 class MenuButton : public QToolButton
 776 {
 777 private:
 778         GuiToolbar * bar_;
 779         ToolbarItem const & tbitem_;
 780         bool initialized_;
 781 public:
 782         MenuButton(GuiToolbar * bar, ToolbarItem const & item)
 783                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 784         {
 785                 setPopupMode(QToolButton::InstantPopup);
 786                 QString const label = qt_(to_ascii(tbitem_.label_));
 787                 setToolTip(label);
 788                 setStatusTip(label);
 789                 setText(label);
 790                 setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
 791                 connect(bar, SIGNAL(iconSizeChanged(QSize)),
 792                         this, SLOT(setIconSize(QSize)));
 793         }
 794
 795         void mousePressEvent(QMouseEvent * e)
 796         {
 797                 if (initialized_) {
 798                         QToolButton::mousePressEvent(e);
 799                         return;
 800                 }
 801
 802                 initialized_ = true;
 803
 804                 QString const label = qt_(to_ascii(tbitem_.label_));
 805                 ButtonMenu * m = new ButtonMenu(label, this);
 806                 m->setWindowTitle(label);
 807                 m->setTearOffEnabled(true);
 808                 connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
 809                 ToolbarInfo const * tbinfo =
 810                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 811                 if (!tbinfo) {
 812                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 813                         return;
 814                 }
 815                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 816                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 817                 for (; it != end; ++it)
 818                         if (!getStatus(it->func_).unknown())
 819                                 m->add(bar_->addItem(*it));
 820                 setMenu(m);
 821
 822                 QToolButton::mousePressEvent(e);
 823         }
 824 };
 825
 826 }
 827
 828
 829 void GuiToolbar::add(ToolbarItem const & item)
 830 {
 831         switch (item.type_) {
 832         case ToolbarItem::SEPARATOR:
 833                 addSeparator();
 834                 break;
 835         case ToolbarItem::LAYOUTS:
 836                 layout_ = new GuiLayoutBox(owner_);
 837                 addWidget(layout_);
 838                 break;
 839         case ToolbarItem::MINIBUFFER:
 840                 command_buffer_ = new GuiCommandBuffer(&owner_);
 841                 addWidget(command_buffer_);
 842                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
 843                 //setHorizontalStretchable(true);
 844                 break;
 845         case ToolbarItem::TABLEINSERT: {
 846                 QToolButton * tb = new QToolButton;
 847                 tb->setCheckable(true);
 848                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
 849                 QString const label = qt_(to_ascii(item.label_));
 850                 tb->setToolTip(label);
 851                 tb->setStatusTip(label);
 852                 tb->setText(label);
 853                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
 854                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
 855                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
 856                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
 857                 addWidget(tb);
 858                 break;
 859                 }
 860         case ToolbarItem::ICONPALETTE:
 861                 addWidget(new PaletteButton(this, item));
 862                 break;
 863
 864         case ToolbarItem::POPUPMENU: {
 865                 addWidget(new MenuButton(this, item));
 866                 break;
 867                 }
 868         case ToolbarItem::COMMAND: {
 869                 if (!getStatus(item.func_).unknown())
 870                         addAction(addItem(item));
 871                 break;
 872                 }
 873         default:
 874                 break;
 875         }
 876 }
 877
 878
 879 void GuiToolbar::saveInfo(ToolbarSection::ToolbarInfo & tbinfo)
 880 {
 881         // if tbinfo.state == auto *do not* set on/off
 882         if (tbinfo.state != ToolbarSection::ToolbarInfo::AUTO) {
 883                 if (GuiToolbar::isVisible())
 884                         tbinfo.state = ToolbarSection::ToolbarInfo::ON;
 885                 else
 886                         tbinfo.state = ToolbarSection::ToolbarInfo::OFF;
 887         }
 888         //
 889         // no need to save it here.
 890         Qt::ToolBarArea loc = owner_.toolBarArea(this);
 891
 892         if (loc == Qt::TopToolBarArea)
 893                 tbinfo.location = ToolbarSection::ToolbarInfo::TOP;
 894         else if (loc == Qt::BottomToolBarArea)
 895                 tbinfo.location = ToolbarSection::ToolbarInfo::BOTTOM;
 896         else if (loc == Qt::RightToolBarArea)
 897                 tbinfo.location = ToolbarSection::ToolbarInfo::RIGHT;
 898         else if (loc == Qt::LeftToolBarArea)
 899                 tbinfo.location = ToolbarSection::ToolbarInfo::LEFT;
 900         else
 901                 tbinfo.location = ToolbarSection::ToolbarInfo::NOTSET;
 902
 903         // save toolbar position. They are not used to restore toolbar position
 904         // now because move(x,y) does not work for toolbar.
 905         tbinfo.posx = pos().x();
 906         tbinfo.posy = pos().y();
 907 }
 908
 909
 910 void GuiToolbar::updateContents()
 911 {
 912         // update visible toolbars only
 913         if (!isVisible())
 914                 return;
 915         // This is a speed bottleneck because this is called on every keypress
 916         // and update calls getStatus, which copies the cursor at least two times
 917         for (int i = 0; i < actions_.size(); ++i)
 918                 actions_[i]->update();
 919
 920         if (layout_)
 921                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
 922
 923         // emit signal
 924         updated();
 925 }
 926
 927
 928 } // namespace frontend
 929 } // namespace lyx
 930
 931 #include "GuiToolbar_moc.cpp"