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, const QStyleOptionViewItem & option,
 252                 const QModelIndex &index) const {
 253                 QComboBox * combo = static_cast<QComboBox const *>(parent());
 254
 255                 // Draw using the menu item style (this is how QComboBox does it).
 256                 // But for the rich text drawing below we will call it with an
 257                 // empty string, and later then draw over it the real string.
 258                 painter->save();
 259                 QStyleOptionMenuItem opt = getStyleOption(option, index);
 260                 QString text = underlineFilter(opt.text);
 261                 opt.text = QString();
 262                 painter->eraseRect(option.rect);
 263                 combo->style()->drawControl(QStyle::CE_MenuItem, &opt, painter, combo);
 264                 painter->restore();
 265
 266                 // Draw the rich text.
 267                 painter->save();
 268                 QColor col = opt.palette.text().color();
 269                 if (opt.state & QStyle::State_Selected)
 270                         col = opt.palette.highlightedText().color();
 271                 QAbstractTextDocumentLayout::PaintContext context;
 272                 context.palette.setColor(QPalette::Text, col);
 273
 274                 QTextDocument doc;
 275                 doc.setDefaultFont(opt.font);
 276                 doc.setHtml(text);
 277                 painter->translate(opt.rect.x() + 20, opt.rect.y());
 278                 doc.documentLayout()->draw(painter, context);
 279                 painter->restore();
 280         }
 281
 282         ///
 283         QSize sizeHint(const QStyleOptionViewItem &option,
 284                 const QModelIndex &index) const {
 285                 QComboBox * combo = static_cast<QComboBox const *>(parent());
 286
 287                 QStyleOptionMenuItem opt = getStyleOption(option, index);
 288                 return combo->style()->sizeFromContents(
 289                          QStyle::CT_MenuItem, &opt, option.rect.size(), combo);
 290         }
 291
 292 private:
 293         ///
 294         QString underlineFilter(QString const & s) const
 295         {
 296                 // get filter
 297                 GuiLayoutBox * p = static_cast<GuiLayoutBox *>(parent());
 298                 QString const & f = p->filter();
 299                 if (f.isEmpty())
 300                         return s;
 301
 302                 // step through data item and put "(x)" for every matching character
 303                 QString r;
 304                 int lastp = -1;
 305                 p->filter();
 306                 for (int i = 0; i < f.length(); ++i) {
 307                         int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
 308                         BOOST_ASSERT(p != -1);
 309                         if (lastp == p - 1 && lastp != -1) {
 310                                 // remove ")" and append "x)"
 311                                 r = r.left(r.length() - 4) + s[p] + "</u>";
 312                         } else {
 313                                 // append "(x)"
 314                                 r += s.mid(lastp + 1, p - lastp - 1);
 315                                 r += QString("<u>") + s[p] + "</u>";
 316                         }
 317                         lastp = p;
 318                 }
 319                 r += s.mid(lastp + 1);
 320                 return r;
 321         }
 322
 323         ///
 324         QStyleOptionMenuItem getStyleOption(const QStyleOptionViewItem &option,
 325                 const QModelIndex &index) const
 326         {
 327                 QComboBox * combo = static_cast<QComboBox const *>(parent());
 328
 329                 // create the options for a menu item
 330                 QStyleOptionMenuItem menuOption;
 331                 menuOption.palette = QApplication::palette("QMenu");
 332                 menuOption.state = QStyle::State_Active | QStyle::State_Enabled;
 333                 if (option.state & QStyle::State_Selected)
 334                         menuOption.state |= QStyle::State_Selected;
 335                 menuOption.checkType = QStyleOptionMenuItem::NonExclusive;
 336                 menuOption.checked = combo->currentIndex() == index.row();
 337                 menuOption.menuItemType = QStyleOptionMenuItem::Normal;
 338                 menuOption.text = index.model()->data(index, Qt::DisplayRole).toString()
 339                         .replace(QLatin1Char('&'), QLatin1String("&&"));
 340                 menuOption.tabWidth = 0;
 341                 menuOption.menuRect = option.rect;
 342                 menuOption.rect = option.rect;
 343                 menuOption.font = combo->font();
 344                 menuOption.fontMetrics = QFontMetrics(menuOption.font);
 345                 return menuOption;
 346         }
 347 };
 348
 349
 350 class GuiFilterProxyModel : public QSortFilterProxyModel
 351 {
 352 public:
 353         ///
 354         GuiFilterProxyModel(QObject * parent)
 355         : QSortFilterProxyModel(parent) {}
 356
 357         ///
 358         void setCharFilter(QString const & f)
 359         {
 360                 setFilterRegExp(charFilterRegExp(f));
 361                 dataChanged(index(0, 0), index(rowCount() - 1, 1));
 362         }
 363
 364 private:
 365         ///
 366         QString charFilterRegExp(QString const & filter)
 367         {
 368                 QString re;
 369                 for (int i = 0; i < filter.length(); ++i)
 370                         re += ".*" + QRegExp::escape(filter[i]);
 371                 return re;
 372         }
 373 };
 374
 375
 376 GuiLayoutBox::GuiLayoutBox(GuiView & owner)
 377         : owner_(owner), filterItemDelegate_(new FilterItemDelegate(this))
 378 {
 379         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 380         setFocusPolicy(Qt::ClickFocus);
 381         setMinimumWidth(sizeHint().width());
 382         setMaxVisibleItems(100);
 383
 384         // set the layout model with two columns
 385         // 1st: translated layout names
 386         // 2nd: raw layout names
 387         model_ = new QStandardItemModel(0, 2, this);
 388         filterModel_ = new GuiFilterProxyModel(this);
 389         filterModel_->setSourceModel(model_);
 390         filterModel_->setDynamicSortFilter(true);
 391         filterModel_->setFilterCaseSensitivity(Qt::CaseInsensitive);
 392         setModel(filterModel_);
 393
 394         // for the filtering we have to intercept characters
 395         view()->installEventFilter(this);
 396         view()->setItemDelegateForColumn(0, filterItemDelegate_);
 397
 398         QObject::connect(this, SIGNAL(activated(int)),
 399                          this, SLOT(selected(int)));
 400         owner_.setLayoutDialog(this);
 401         updateContents(true);
 402 }
 403
 404
 405 void GuiLayoutBox::setFilter(QString const & s)
 406 {
 407         // remember old selection
 408         int sel = currentIndex();
 409         if (sel != -1)
 410                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 411
 412         filter_ = s;
 413         filterModel_->setCharFilter(s);
 414
 415         // restore old selection
 416         if (lastSel_ != -1) {
 417                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 418                 if (i.isValid())
 419                         setCurrentIndex(i.row());
 420         }
 421 }
 422
 423
 424 void GuiLayoutBox::resetFilter()
 425 {
 426         setFilter(QString());
 427 }
 428
 429
 430 bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
 431 {
 432         if (e->type() != QEvent::KeyPress)
 433                 return QComboBox::eventFilter(o, e);
 434
 435         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 436         bool modified = (ke->modifiers() == Qt::ControlModifier)
 437                 || (ke->modifiers() == Qt::AltModifier)
 438                 || (ke->modifiers() == Qt::MetaModifier);
 439
 440         switch (ke->key()) {
 441         case Qt::Key_Escape:
 442                 if (!modified && !filter_.isEmpty()) {
 443                         resetFilter();
 444                         return true;
 445                 }
 446                 break;
 447         case Qt::Key_Backspace:
 448                 if (!modified) {
 449                         // cut off one character
 450                         setFilter(filter_.left(filter_.length() - 1));
 451                 }
 452                 break;
 453         default:
 454                 if (modified || ke->text().isEmpty())
 455                         break;
 456                 // find chars for the filter string
 457                 QString s;
 458                 for (int i = 0; i < ke->text().length(); ++i) {
 459                         QChar c = ke->text()[i];
 460                         if (c.isLetterOrNumber()
 461                             || c.isSymbol()
 462                             || c.isPunct()
 463                             || c.category() == QChar::Separator_Space) {
 464                                 s += c;
 465                         }
 466                 }
 467                 if (!s.isEmpty()) {
 468                         // append new chars to the filter string
 469                         setFilter(filter_ + s);
 470                         return true;
 471                 }
 472                 break;
 473         }
 474
 475         return QComboBox::eventFilter(o, e);
 476 }
 477
 478
 479 void GuiLayoutBox::set(docstring const & layout)
 480 {
 481         resetFilter();
 482
 483         if (!text_class_)
 484                 return;
 485
 486         QString const & name = toqstr((*text_class_)[layout]->name());
 487         if (name == currentText())
 488                 return;
 489
 490         QList<QStandardItem *> r = model_->findItems(name, Qt::MatchExactly, 1);
 491         if (r.empty()) {
 492                 lyxerr << "Trying to select non existent layout type "
 493                         << fromqstr(name) << endl;
 494                 return;
 495         }
 496
 497         setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
 498 }
 499
 500
 501 void GuiLayoutBox::addItemSort(docstring const & item, bool sorted)
 502 {
 503         QString qitem = toqstr(item);
 504         QString titem = toqstr(translateIfPossible(item));
 505
 506         QList<QStandardItem *> row;
 507         row.append(new QStandardItem(titem));
 508         row.append(new QStandardItem(qitem));
 509
 510         // the simple unsorted case
 511         int const end = model_->rowCount();
 512         if (!sorted || end < 2 || qitem[0].category() != QChar::Letter_Uppercase) {
 513                 model_->appendRow(row);
 514                 return;
 515         }
 516
 517         // find row to insert the item
 518         int i = 1; // skip the Standard layout
 519         QString is = model_->item(i, 0)->text();
 520         while (is.compare(titem) < 0) {
 521                 // e.g. --Separator--
 522                 if (is[0].category() != QChar::Letter_Uppercase)
 523                         break;
 524                 ++i;
 525                 if (i == end)
 526                         break;
 527                 is = model_->item(i, 0)->text();
 528         }
 529
 530         model_->insertRow(i, row);
 531 }
 532
 533
 534 void GuiLayoutBox::updateContents(bool reset)
 535 {
 536         resetFilter();
 537
 538         Buffer const * buffer = owner_.buffer();
 539         if (!buffer) {
 540                 model_->clear();
 541                 setEnabled(false);
 542                 text_class_ = 0;
 543                 inset_ = 0;
 544                 return;
 545         }
 546
 547         // we'll only update the layout list if the text class has changed
 548         // or we've moved from one inset to another
 549         DocumentClass const * text_class = &buffer->params().documentClass();
 550         Inset const * inset =
 551         owner_.view()->cursor().innerParagraph().inInset();
 552         if (!reset && text_class_ == text_class && inset_ == inset) {
 553                 set(owner_.view()->cursor().innerParagraph().layout()->name());
 554                 return;
 555         }
 556
 557         inset_ = inset;
 558         text_class_ = text_class;
 559
 560         model_->clear();
 561         for (size_t i = 0; i != text_class_->layoutCount(); ++i) {
 562                 Layout const & lt = *text_class_->layout(i);
 563                 docstring const & name = lt.name();
 564                 // if this inset requires the empty layout, we skip the default
 565                 // layout
 566                 if (name == text_class_->defaultLayoutName() && inset &&
 567                     (inset->forceEmptyLayout() || inset->useEmptyLayout()))
 568                         continue;
 569                 // if it doesn't require the empty layout, we skip it
 570                 if (name == text_class_->emptyLayoutName() && inset &&
 571                     !inset->forceEmptyLayout() && !inset->useEmptyLayout())
 572                         continue;
 573                 addItemSort(name, lyxrc.sort_layouts);
 574         }
 575
 576         set(owner_.view()->cursor().innerParagraph().layout()->name());
 577
 578         // needed to recalculate size hint
 579         hide();
 580         setMinimumWidth(sizeHint().width());
 581         setEnabled(!buffer->isReadonly());
 582         show();
 583 }
 584
 585
 586 void GuiLayoutBox::selected(int index)
 587 {
 588         // get selection
 589         QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
 590         docstring const name = qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
 591
 592         owner_.setFocus();
 593
 594         if (!text_class_) {
 595                 updateContents(false);
 596                 resetFilter();
 597                 return;
 598         }
 599
 600         // find corresponding text class
 601         for (size_t i = 0; i != text_class_->layoutCount(); ++i) {
 602                 docstring const & itname = text_class_->layout(i)->name();
 603                 if (itname == name) {
 604                         FuncRequest const func(LFUN_LAYOUT, itname,
 605                                                FuncRequest::TOOLBAR);
 606                         theLyXFunc().setLyXView(&owner_);
 607                         lyx::dispatch(func);
 608                         updateContents(false);
 609                         resetFilter();
 610                         return;
 611                 }
 612         }
 613         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 614 }
 615
 616
 617
 618 /////////////////////////////////////////////////////////////////////
 619 //
 620 // GuiToolbar
 621 //
 622 /////////////////////////////////////////////////////////////////////
 623
 624
 625 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 626         : QToolBar(qt_(tbinfo.gui_name), &owner), owner_(owner),
 627           layout_(0), command_buffer_(0)
 628 {
 629         // give visual separation between adjacent toolbars
 630         addSeparator();
 631
 632         // TODO: save toolbar position
 633         setMovable(true);
 634
 635         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 636         ToolbarInfo::item_iterator end = tbinfo.items.end();
 637         for (; it != end; ++it)
 638                 add(*it);
 639 }
 640
 641
 642 Action * GuiToolbar::addItem(ToolbarItem const & item)
 643 {
 644         Action * act = new Action(owner_,
 645                 getIcon(item.func_, false),
 646           toqstr(item.label_), item.func_, toqstr(item.label_));
 647         actions_.append(act);
 648         return act;
 649 }
 650
 651 namespace {
 652
 653 class PaletteButton : public QToolButton
 654 {
 655 private:
 656         GuiToolbar * bar_;
 657         ToolbarItem const & tbitem_;
 658         bool initialized_;
 659 public:
 660         PaletteButton(GuiToolbar * bar, ToolbarItem const & item)
 661                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 662         {
 663                 QString const label = qt_(to_ascii(tbitem_.label_));
 664                 setToolTip(label);
 665                 setStatusTip(label);
 666                 setText(label);
 667                 connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 668                         this, SLOT(setIconSize(QSize)));
 669                 setCheckable(true);
 670                 ToolbarInfo const * tbinfo =
 671                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 672                 if (tbinfo)
 673                         // use the icon of first action for the toolbar button
 674                         setIcon(getIcon(tbinfo->items.begin()->func_, true));
 675         }
 676
 677         void mousePressEvent(QMouseEvent * e)
 678         {
 679                 if (initialized_) {
 680                         QToolButton::mousePressEvent(e);
 681                         return;
 682                 }
 683
 684                 initialized_ = true;
 685
 686                 ToolbarInfo const * tbinfo =
 687                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 688                 if (!tbinfo) {
 689                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 690                         return;
 691                 }
 692                 IconPalette * panel = new IconPalette(this);
 693                 QString const label = qt_(to_ascii(tbitem_.label_));
 694                 panel->setWindowTitle(label);
 695                 connect(this, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 696                 connect(panel, SIGNAL(visible(bool)), this, SLOT(setChecked(bool)));
 697                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 698                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 699                 for (; it != end; ++it)
 700                         if (!getStatus(it->func_).unknown())
 701                                 panel->addButton(bar_->addItem(*it));
 702
 703                 QToolButton::mousePressEvent(e);
 704         }
 705 };
 706
 707 class MenuButton : public QToolButton
 708 {
 709 private:
 710         GuiToolbar * bar_;
 711         ToolbarItem const & tbitem_;
 712         bool initialized_;
 713 public:
 714         MenuButton(GuiToolbar * bar, ToolbarItem const & item)
 715                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 716         {
 717                 setPopupMode(QToolButton::InstantPopup);
 718                 QString const label = qt_(to_ascii(tbitem_.label_));
 719                 setToolTip(label);
 720                 setStatusTip(label);
 721                 setText(label);
 722                 setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
 723                 connect(bar, SIGNAL(iconSizeChanged(QSize)),
 724                         this, SLOT(setIconSize(QSize)));
 725         }
 726
 727         void mousePressEvent(QMouseEvent * e)
 728         {
 729                 if (initialized_) {
 730                         QToolButton::mousePressEvent(e);
 731                         return;
 732                 }
 733
 734                 initialized_ = true;
 735
 736                 QString const label = qt_(to_ascii(tbitem_.label_));
 737                 ButtonMenu * m = new ButtonMenu(label, this);
 738                 m->setWindowTitle(label);
 739                 m->setTearOffEnabled(true);
 740                 connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
 741                 ToolbarInfo const * tbinfo =
 742                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 743                 if (!tbinfo) {
 744                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 745                         return;
 746                 }
 747                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 748                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 749                 for (; it != end; ++it)
 750                         if (!getStatus(it->func_).unknown())
 751                                 m->add(bar_->addItem(*it));
 752                 setMenu(m);
 753
 754                 QToolButton::mousePressEvent(e);
 755         }
 756 };
 757
 758 }
 759
 760
 761 void GuiToolbar::add(ToolbarItem const & item)
 762 {
 763         switch (item.type_) {
 764         case ToolbarItem::SEPARATOR:
 765                 addSeparator();
 766                 break;
 767         case ToolbarItem::LAYOUTS:
 768                 layout_ = new GuiLayoutBox(owner_);
 769                 addWidget(layout_);
 770                 break;
 771         case ToolbarItem::MINIBUFFER:
 772                 command_buffer_ = new GuiCommandBuffer(&owner_);
 773                 addWidget(command_buffer_);
 774                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
 775                 //setHorizontalStretchable(true);
 776                 break;
 777         case ToolbarItem::TABLEINSERT: {
 778                 QToolButton * tb = new QToolButton;
 779                 tb->setCheckable(true);
 780                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
 781                 QString const label = qt_(to_ascii(item.label_));
 782                 tb->setToolTip(label);
 783                 tb->setStatusTip(label);
 784                 tb->setText(label);
 785                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
 786                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
 787                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
 788                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
 789                 addWidget(tb);
 790                 break;
 791                 }
 792         case ToolbarItem::ICONPALETTE:
 793                 addWidget(new PaletteButton(this, item));
 794                 break;
 795
 796         case ToolbarItem::POPUPMENU: {
 797                 addWidget(new MenuButton(this, item));
 798                 break;
 799                 }
 800         case ToolbarItem::COMMAND: {
 801                 if (!getStatus(item.func_).unknown())
 802                         addAction(addItem(item));
 803                 break;
 804                 }
 805         default:
 806                 break;
 807         }
 808 }
 809
 810
 811 void GuiToolbar::saveInfo(ToolbarSection::ToolbarInfo & tbinfo)
 812 {
 813         // if tbinfo.state == auto *do not* set on/off
 814         if (tbinfo.state != ToolbarSection::ToolbarInfo::AUTO) {
 815                 if (GuiToolbar::isVisible())
 816                         tbinfo.state = ToolbarSection::ToolbarInfo::ON;
 817                 else
 818                         tbinfo.state = ToolbarSection::ToolbarInfo::OFF;
 819         }
 820         //
 821         // no need to save it here.
 822         Qt::ToolBarArea loc = owner_.toolBarArea(this);
 823
 824         if (loc == Qt::TopToolBarArea)
 825                 tbinfo.location = ToolbarSection::ToolbarInfo::TOP;
 826         else if (loc == Qt::BottomToolBarArea)
 827                 tbinfo.location = ToolbarSection::ToolbarInfo::BOTTOM;
 828         else if (loc == Qt::RightToolBarArea)
 829                 tbinfo.location = ToolbarSection::ToolbarInfo::RIGHT;
 830         else if (loc == Qt::LeftToolBarArea)
 831                 tbinfo.location = ToolbarSection::ToolbarInfo::LEFT;
 832         else
 833                 tbinfo.location = ToolbarSection::ToolbarInfo::NOTSET;
 834
 835         // save toolbar position. They are not used to restore toolbar position
 836         // now because move(x,y) does not work for toolbar.
 837         tbinfo.posx = pos().x();
 838         tbinfo.posy = pos().y();
 839 }
 840
 841
 842 void GuiToolbar::updateContents()
 843 {
 844         // update visible toolbars only
 845         if (!isVisible())
 846                 return;
 847         // This is a speed bottleneck because this is called on every keypress
 848         // and update calls getStatus, which copies the cursor at least two times
 849         for (int i = 0; i < actions_.size(); ++i)
 850                 actions_[i]->update();
 851
 852         if (layout_)
 853                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
 854
 855         // emit signal
 856         updated();
 857 }
 858
 859
 860 } // namespace frontend
 861 } // namespace lyx
 862
 863 #include "GuiToolbar_moc.cpp"