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 "GuiToolbar.h"
  19
  20 #include "Action.h"
  21 #include "GuiApplication.h"
  22 #include "GuiCommandBuffer.h"
  23 #include "GuiView.h"
  24 #include "IconPalette.h"
  25 #include "InsertTableWidget.h"
  26 #include "qt_helpers.h"
  27 #include "Toolbars.h"
  28
  29 #include "Buffer.h"
  30 #include "BufferParams.h"
  31 #include "BufferView.h"
  32 #include "Cursor.h"
  33 #include "FuncRequest.h"
  34 #include "FuncStatus.h"
  35 #include "Layout.h"
  36 #include "LyXAction.h"
  37 #include "LyXFunc.h"
  38 #include "LyXRC.h"
  39 #include "Paragraph.h"
  40 #include "TextClass.h"
  41
  42 #include "support/debug.h"
  43 #include "support/filetools.h"
  44 #include "support/gettext.h"
  45 #include "support/lstrings.h"
  46 #include "support/lyxalgo.h" // sorted
  47
  48 #include <QAbstractItemDelegate>
  49 #include <QAbstractTextDocumentLayout>
  50 #include <QApplication>
  51 #include <QComboBox>
  52 #include <QFontMetrics>
  53 #include <QHeaderView>
  54 #include <QItemDelegate>
  55 #include <QKeyEvent>
  56 #include <QList>
  57 #include <QListView>
  58 #include <QPainter>
  59 #include <QPixmap>
  60 #include <QSettings>
  61 #include <QSortFilterProxyModel>
  62 #include <QStandardItem>
  63 #include <QStandardItemModel>
  64 #include <QString>
  65 #include <QTextDocument>
  66 #include <QTextFrame>
  67 #include <QToolBar>
  68 #include <QToolButton>
  69 #include <QVariant>
  70
  71 #include "support/lassert.h"
  72
  73 #include <map>
  74 #include <vector>
  75
  76 using namespace std;
  77 using namespace lyx::support;
  78
  79 static void initializeResources()
  80 {
  81         static bool initialized = false;
  82         if (!initialized) {
  83                 Q_INIT_RESOURCE(Resources);
  84                 initialized = true;
  85         }
  86 }
  87
  88
  89 namespace lyx {
  90 namespace frontend {
  91
  92 namespace {
  93
  94 struct PngMap {
  95         QString key;
  96         QString value;
  97 };
  98
  99
 100 bool operator<(PngMap const & lhs, PngMap const & rhs)
 101 {
 102                 return lhs.key < rhs.key;
 103 }
 104
 105
 106 class CompareKey {
 107 public:
 108         CompareKey(QString const & name) : name_(name) {}
 109         bool operator()(PngMap const & other) const { return other.key == name_; }
 110 private:
 111         QString const name_;
 112 };
 113
 114
 115 // this must be sorted alphabetically
 116 // Upper case comes before lower case
 117 PngMap sorted_png_map[] = {
 118         { "Bumpeq", "bumpeq2" },
 119         { "Cap", "cap2" },
 120         { "Cup", "cup2" },
 121         { "Delta", "delta2" },
 122         { "Downarrow", "downarrow2" },
 123         { "Gamma", "gamma2" },
 124         { "Lambda", "lambda2" },
 125         { "Leftarrow", "leftarrow2" },
 126         { "Leftrightarrow", "leftrightarrow2" },
 127         { "Longleftarrow", "longleftarrow2" },
 128         { "Longleftrightarrow", "longleftrightarrow2" },
 129         { "Longrightarrow", "longrightarrow2" },
 130         { "Omega", "omega2" },
 131         { "Phi", "phi2" },
 132         { "Pi", "pi2" },
 133         { "Psi", "psi2" },
 134         { "Rightarrow", "rightarrow2" },
 135         { "Sigma", "sigma2" },
 136         { "Subset", "subset2" },
 137         { "Supset", "supset2" },
 138         { "Theta", "theta2" },
 139         { "Uparrow", "uparrow2" },
 140         { "Updownarrow", "updownarrow2" },
 141         { "Upsilon", "upsilon2" },
 142         { "Vdash", "vdash3" },
 143         { "Vert", "vert2" },
 144         { "Xi", "xi2" },
 145         { "nLeftarrow", "nleftarrow2" },
 146         { "nLeftrightarrow", "nleftrightarrow2" },
 147         { "nRightarrow", "nrightarrow2" },
 148         { "nVDash", "nvdash3" },
 149         { "nvDash", "nvdash2" },
 150         { "textrm \\AA", "textrm_AA"},
 151         { "textrm \\O", "textrm_O"},
 152         { "vDash", "vdash2" }
 153 };
 154
 155 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
 156
 157
 158 QString findPng(QString const & name)
 159 {
 160         PngMap const * const begin = sorted_png_map;
 161         PngMap const * const end = begin + nr_sorted_png_map;
 162         LASSERT(sorted(begin, end), /**/);
 163
 164         PngMap const * const it = find_if(begin, end, CompareKey(name));
 165
 166         QString png_name;
 167         if (it != end) {
 168                 png_name = it->value;
 169         } else {
 170                 png_name = name;
 171                 png_name.replace('_', "underscore");
 172                 png_name.replace(' ', '_');
 173
 174                 // This way we can have "math-delim { }" on the toolbar.
 175                 png_name.replace('(', "lparen");
 176                 png_name.replace(')', "rparen");
 177                 png_name.replace('[', "lbracket");
 178                 png_name.replace(']', "rbracket");
 179                 png_name.replace('{', "lbrace");
 180                 png_name.replace('}', "rbrace");
 181                 png_name.replace('|', "bars");
 182                 png_name.replace(',', "thinspace");
 183                 png_name.replace(':', "mediumspace");
 184                 png_name.replace(';', "thickspace");
 185                 png_name.replace('!', "negthinspace");
 186         }
 187
 188         LYXERR(Debug::GUI, "findPng(" << name << ")\n"
 189                 << "Looking for math PNG called \"" << png_name << '"');
 190         return png_name;
 191 }
 192
 193 } // namespace anon
 194
 195
 196 /// return a icon for the given action
 197 static QIcon getIcon(FuncRequest const & f, bool unknown)
 198 {
 199         initializeResources();
 200         QPixmap pm;
 201         QString name1;
 202         QString name2;
 203         QString path;
 204         switch (f.action) {
 205         case LFUN_MATH_INSERT:
 206                 if (!f.argument().empty()) {
 207                         path = "math/";
 208                         name1 = findPng(toqstr(f.argument()).mid(1));
 209                 }
 210                 break;
 211         case LFUN_MATH_DELIM:
 212         case LFUN_MATH_BIGDELIM:
 213                 path = "math/";
 214                 name1 = findPng(toqstr(f.argument()));
 215                 break;
 216         case LFUN_CALL:
 217                 path = "commands/";
 218                 name1 = toqstr(f.argument());
 219                 break;
 220         default:
 221                 name2 = toqstr(lyxaction.getActionName(f.action));
 222                 name1 = name2;
 223
 224                 if (!f.argument().empty()) {
 225                         name1 = name2 + ' ' + toqstr(f.argument());
 226                         name1.replace(' ', '_');
 227                 }
 228         }
 229
 230         string fullname = libFileSearch("images/" + path, name1, "png").absFilename();
 231         if (pm.load(toqstr(fullname)))
 232                 return pm;
 233
 234         fullname = libFileSearch("images/" + path, name2, "png").absFilename();
 235         if (pm.load(toqstr(fullname)))
 236                 return pm;
 237
 238         if (pm.load(":/images/" + path + name1 + ".png"))
 239                 return pm;
 240
 241         if (pm.load(":/images/" + path + name2 + ".png"))
 242                 return pm;
 243
 244         LYXERR(Debug::GUI, "Cannot find icon for command \""
 245                            << lyxaction.getActionName(f.action)
 246                            << '(' << to_utf8(f.argument()) << ")\"");
 247         if (unknown)
 248                 pm.load(":/images/unknown.png");
 249
 250         return pm;
 251 }
 252
 253
 254 /////////////////////////////////////////////////////////////////////
 255 //
 256 // GuiLayoutBox
 257 //
 258 /////////////////////////////////////////////////////////////////////
 259
 260 class LayoutItemDelegate : public QItemDelegate {
 261 public:
 262         ///
 263         explicit LayoutItemDelegate(QObject * parent = 0)
 264                 : QItemDelegate(parent)
 265         {}
 266
 267         ///
 268         void paint(QPainter * painter, QStyleOptionViewItem const & option,
 269                 QModelIndex const & index) const
 270         {
 271                 QStyleOptionViewItem opt = option;
 272
 273                 // default background
 274                 painter->fillRect(opt.rect, opt.palette.color(QPalette::Base));
 275
 276                 // category header?
 277                 if (lyxrc.group_layouts) {
 278                         QSortFilterProxyModel const * model
 279                         = static_cast<QSortFilterProxyModel const *>(index.model());
 280
 281                         QString stdCat = category(*model->sourceModel(), 0);
 282                         QString cat = category(*index.model(), index.row());
 283
 284                         // not the standard layout and not the same as in the previous line?
 285                         if (stdCat != cat
 286                             && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 287                                 painter->save();
 288
 289                                 // draw unselected background
 290                                 QStyle::State state = opt.state;
 291                                 opt.state = opt.state & ~QStyle::State_Selected;
 292                                 drawBackground(painter, opt, index);
 293                                 opt.state = state;
 294
 295                                 // draw category header
 296                                 drawCategoryHeader(painter, opt,
 297                                         category(*index.model(), index.row()));
 298
 299                                 // move rect down below header
 300                                 opt.rect.setTop(opt.rect.top() + headerHeight(opt));
 301
 302                                 painter->restore();
 303                         }
 304                 }
 305
 306                 QItemDelegate::paint(painter, opt, index);
 307         }
 308
 309         ///
 310         void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
 311                          const QRect & /*rect*/, const QString & text ) const
 312         {
 313                 QString utext = underlineFilter(text);
 314
 315                 // Draw the rich text.
 316                 painter->save();
 317                 QColor col = opt.palette.text().color();
 318                 if (opt.state & QStyle::State_Selected)
 319                         col = opt.palette.highlightedText().color();
 320                 QAbstractTextDocumentLayout::PaintContext context;
 321                 context.palette.setColor(QPalette::Text, col);
 322
 323                 QTextDocument doc;
 324                 doc.setDefaultFont(opt.font);
 325                 doc.setHtml(utext);
 326
 327                 QTextFrameFormat fmt = doc.rootFrame()->frameFormat();
 328                 fmt.setMargin(0);
 329                 doc.rootFrame()->setFrameFormat(fmt);
 330
 331                 painter->translate(opt.rect.x() + 5,
 332                         opt.rect.y() + (opt.rect.height() - opt.fontMetrics.height()) / 2);
 333                 doc.documentLayout()->draw(painter, context);
 334                 painter->restore();
 335         }
 336
 337         ///
 338         QSize sizeHint(QStyleOptionViewItem const & opt,
 339                 QModelIndex const & index) const
 340         {
 341                 GuiLayoutBox * combo = static_cast<GuiLayoutBox *>(parent());
 342                 QSortFilterProxyModel const * model
 343                 = static_cast<QSortFilterProxyModel const *>(index.model());
 344                 QSize size = QItemDelegate::sizeHint(opt, index);
 345
 346                 /// QComboBox uses the first row height to estimate the
 347                 /// complete popup height during QComboBox::showPopup().
 348                 /// To avoid scrolling we have to sneak in space for the headers.
 349                 /// So we tweak this value accordingly. It's not nice, but the
 350                 /// only possible way it seems.
 351                 if (lyxrc.group_layouts && index.row() == 0 && combo->inShowPopup_) {
 352                         int itemHeight = size.height();
 353
 354                         // we have to show \c cats many headers:
 355                         unsigned cats = combo->visibleCategories_;
 356
 357                         // and we have \c n items to distribute the needed space over
 358                         unsigned n = combo->model()->rowCount();
 359
 360                         // so the needed average height (rounded upwards) is:
 361                         size.setHeight((headerHeight(opt) * cats + itemHeight * n + n - 1) / n);
 362                         return size;
 363                 }
 364
 365                 // Add space for the category headers here?
 366                 // Not for the standard layout though.
 367                 QString stdCat = category(*model->sourceModel(), 0);
 368                 QString cat = category(*index.model(), index.row());
 369                 if (lyxrc.group_layouts && stdCat != cat
 370                     && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 371                         size.setHeight(size.height() + headerHeight(opt));
 372                 }
 373
 374                 return size;
 375         }
 376
 377 private:
 378         ///
 379         QString category(QAbstractItemModel const & model, int row) const
 380         {
 381                 return model.data(model.index(row, 2), Qt::DisplayRole).toString();
 382         }
 383
 384         ///
 385         int headerHeight(QStyleOptionViewItem const & opt) const
 386         {
 387                 return opt.fontMetrics.height() * 8 / 10;
 388         }
 389         ///
 390         void drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
 391                 QString const & category) const
 392         {
 393                 // slightly blended color
 394                 QColor lcol = opt.palette.text().color();
 395                 lcol.setAlpha(127);
 396                 painter->setPen(lcol);
 397
 398                 // set 80% scaled, bold font
 399                 QFont font = opt.font;
 400                 font.setBold(true);
 401                 font.setWeight(QFont::Black);
 402                 font.setPointSize(opt.font.pointSize() * 8 / 10);
 403                 painter->setFont(font);
 404
 405                 // draw the centered text
 406                 QFontMetrics fm(font);
 407                 int w = fm.width(category);
 408                 int x = opt.rect.x() + (opt.rect.width() - w) / 2;
 409                 int y = opt.rect.y() + fm.ascent();
 410                 int left = x;
 411                 int right = x + w;
 412                 painter->drawText(x, y, category);
 413
 414                 // the vertical position of the line: middle of lower case chars
 415                 int ymid = y - 1 - fm.xHeight() / 2; // -1 for the baseline
 416
 417                 // draw the horizontal line
 418                 if (!category.isEmpty()) {
 419                         painter->drawLine(opt.rect.x(), ymid, left - 1, ymid);
 420                         painter->drawLine(right + 1, ymid, opt.rect.right(), ymid);
 421                 } else
 422                         painter->drawLine(opt.rect.x(), ymid, opt.rect.right(), ymid);
 423         }
 424
 425
 426         ///
 427         QString underlineFilter(QString const & s) const
 428         {
 429                 // get filter
 430                 GuiLayoutBox * p = static_cast<GuiLayoutBox *>(parent());
 431                 QString const & f = p->filter();
 432                 if (f.isEmpty())
 433                         return s;
 434
 435                 // step through data item and put "(x)" for every matching character
 436                 QString r;
 437                 int lastp = -1;
 438                 p->filter();
 439                 for (int i = 0; i < f.length(); ++i) {
 440                         int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
 441                         LASSERT(p != -1, /**/);
 442                         if (lastp == p - 1 && lastp != -1) {
 443                                 // remove ")" and append "x)"
 444                                 r = r.left(r.length() - 4) + s[p] + "</u>";
 445                         } else {
 446                                 // append "(x)"
 447                                 r += s.mid(lastp + 1, p - lastp - 1);
 448                                 r += QString("<u>") + s[p] + "</u>";
 449                         }
 450                         lastp = p;
 451                 }
 452                 r += s.mid(lastp + 1);
 453                 return r;
 454         }
 455 };
 456
 457
 458 class GuiLayoutFilterModel : public QSortFilterProxyModel {
 459 public:
 460         ///
 461         GuiLayoutFilterModel(QObject * parent = 0)
 462                 : QSortFilterProxyModel(parent)
 463         {}
 464
 465         ///
 466         void triggerLayoutChange()
 467         {
 468                 layoutAboutToBeChanged();
 469                 layoutChanged();
 470         }
 471 };
 472
 473
 474 GuiLayoutBox::GuiLayoutBox(GuiToolbar * bar, GuiView & owner)
 475         : owner_(owner), bar_(bar), lastSel_(-1),
 476           layoutItemDelegate_(new LayoutItemDelegate(this)),
 477           visibleCategories_(0), inShowPopup_(false)
 478 {
 479         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 480         setFocusPolicy(Qt::ClickFocus);
 481         setMinimumWidth(sizeHint().width());
 482         setMaxVisibleItems(100);
 483
 484         // set the layout model with two columns
 485         // 1st: translated layout names
 486         // 2nd: raw layout names
 487         model_ = new QStandardItemModel(0, 2, this);
 488         filterModel_ = new GuiLayoutFilterModel(this);
 489         filterModel_->setSourceModel(model_);
 490         setModel(filterModel_);
 491
 492         // for the filtering we have to intercept characters
 493         view()->installEventFilter(this);
 494         view()->setItemDelegateForColumn(0, layoutItemDelegate_);
 495
 496         QObject::connect(this, SIGNAL(activated(int)),
 497                 this, SLOT(selected(int)));
 498         QObject::connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 499                 this, SLOT(setIconSize(QSize)));
 500
 501         owner_.setLayoutDialog(this);
 502         updateContents(true);
 503 }
 504
 505
 506 void GuiLayoutBox::setFilter(QString const & s)
 507 {
 508         bool enabled = view()->updatesEnabled();
 509         view()->setUpdatesEnabled(false);
 510
 511         // remember old selection
 512         int sel = currentIndex();
 513         if (sel != -1)
 514                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 515
 516         filter_ = s;
 517         filterModel_->setFilterRegExp(charFilterRegExp(filter_));
 518         countCategories();
 519
 520         // restore old selection
 521         if (lastSel_ != -1) {
 522                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 523                 if (i.isValid())
 524                         setCurrentIndex(i.row());
 525         }
 526
 527         // Workaround to resize to content size
 528         // FIXME: There must be a better way. The QComboBox::AdjustToContents)
 529         //        does not help.
 530         if (view()->isVisible()) {
 531                 // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 532                 // the hack in the item delegate to make space for the headers.
 533                 // We do not call our implementation of showPopup because that
 534                 // would reset the filter again. This is only needed if the user clicks
 535                 // on the QComboBox.
 536                 LASSERT(!inShowPopup_, /**/);
 537                 inShowPopup_ = true;
 538                 QComboBox::showPopup();
 539                 inShowPopup_ = false;
 540
 541                 // The item delegate hack is off again. So trigger a relayout of the popup.
 542                 filterModel_->triggerLayoutChange();
 543
 544                 if (!s.isEmpty())
 545                         owner_.message(_("Filtering layouts with \"" + fromqstr(s) + "\". "
 546                                          "Press ESC to remove filter."));
 547                 else
 548                         owner_.message(_("Enter characters to filter the layout list."));
 549         }
 550
 551         view()->setUpdatesEnabled(enabled);
 552 }
 553
 554
 555 void GuiLayoutBox::countCategories()
 556 {
 557         int n = filterModel_->rowCount();
 558         visibleCategories_ = 0;
 559         if (n == 0 || !lyxrc.group_layouts)
 560                 return;
 561
 562         // skip the "Standard" category
 563         QString prevCat = model_->index(0, 2).data().toString();
 564
 565         // count categories
 566         for (int i = 0; i < n; ++i) {
 567                 QString cat = filterModel_->index(i, 2).data().toString();
 568                 if (cat != prevCat)
 569                         ++visibleCategories_;
 570                 prevCat = cat;
 571         }
 572 }
 573
 574
 575 QString GuiLayoutBox::charFilterRegExp(QString const & filter)
 576 {
 577         QString re;
 578         for (int i = 0; i < filter.length(); ++i) {
 579                 QChar c = filter[i];
 580                 if (c.isLower())
 581                         re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
 582                 else
 583                         re += ".*" + QRegExp::escape(c);
 584         }
 585         return re;
 586 }
 587
 588
 589 void GuiLayoutBox::resetFilter()
 590 {
 591         setFilter(QString());
 592 }
 593
 594
 595 void GuiLayoutBox::showPopup()
 596 {
 597         owner_.message(_("Enter characters to filter the layout list."));
 598
 599         bool enabled = view()->updatesEnabled();
 600         view()->setUpdatesEnabled(false);
 601
 602         resetFilter();
 603
 604         // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 605         // the hack in the item delegate to make space for the headers.
 606         LASSERT(!inShowPopup_, /**/);
 607         inShowPopup_ = true;
 608         QComboBox::showPopup();
 609         inShowPopup_ = false;
 610
 611         // The item delegate hack is off again. So trigger a relayout of the popup.
 612         filterModel_->triggerLayoutChange();
 613
 614         view()->setUpdatesEnabled(enabled);
 615 }
 616
 617
 618 bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
 619 {
 620         if (e->type() != QEvent::KeyPress)
 621                 return QComboBox::eventFilter(o, e);
 622
 623         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 624         bool modified = (ke->modifiers() == Qt::ControlModifier)
 625                 || (ke->modifiers() == Qt::AltModifier)
 626                 || (ke->modifiers() == Qt::MetaModifier);
 627
 628         switch (ke->key()) {
 629         case Qt::Key_Escape:
 630                 if (!modified && !filter_.isEmpty()) {
 631                         resetFilter();
 632                         return true;
 633                 }
 634                 break;
 635         case Qt::Key_Backspace:
 636                 if (!modified) {
 637                         // cut off one character
 638                         setFilter(filter_.left(filter_.length() - 1));
 639                 }
 640                 break;
 641         default:
 642                 if (modified || ke->text().isEmpty())
 643                         break;
 644                 // find chars for the filter string
 645                 QString s;
 646                 for (int i = 0; i < ke->text().length(); ++i) {
 647                         QChar c = ke->text()[i];
 648                         if (c.isLetterOrNumber()
 649                             || c.isSymbol()
 650                             || c.isPunct()
 651                             || c.category() == QChar::Separator_Space) {
 652                                 s += c;
 653                         }
 654                 }
 655                 if (!s.isEmpty()) {
 656                         // append new chars to the filter string
 657                         setFilter(filter_ + s);
 658                         return true;
 659                 }
 660                 break;
 661         }
 662
 663         return QComboBox::eventFilter(o, e);
 664 }
 665
 666
 667 void GuiLayoutBox::setIconSize(QSize size)
 668 {
 669 #ifdef Q_WS_MACX
 670         bool small = size.height() < 20;
 671         setAttribute(Qt::WA_MacSmallSize, small);
 672         setAttribute(Qt::WA_MacNormalSize, !small);
 673 #endif
 674 }
 675
 676
 677 void GuiLayoutBox::set(docstring const & layout)
 678 {
 679         resetFilter();
 680
 681         if (!text_class_)
 682                 return;
 683
 684         QString const & name = toqstr((*text_class_)[layout].name());
 685         if (name == currentText())
 686                 return;
 687
 688         QList<QStandardItem *> r = model_->findItems(name, Qt::MatchExactly, 1);
 689         if (r.empty()) {
 690                 LYXERR0("Trying to select non existent layout type " << name);
 691                 return;
 692         }
 693
 694         setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
 695 }
 696
 697
 698 void GuiLayoutBox::addItemSort(docstring const & item, docstring const & category,
 699         bool sorted, bool sortedByCat)
 700 {
 701         QString qitem = toqstr(item);
 702         QString titem = toqstr(translateIfPossible(item));
 703         QString qcat = toqstr(translateIfPossible(category));
 704
 705         QList<QStandardItem *> row;
 706         row.append(new QStandardItem(titem));
 707         row.append(new QStandardItem(qitem));
 708         row.append(new QStandardItem(qcat));
 709
 710         // the first entry is easy
 711         int const end = model_->rowCount();
 712         if (end == 0) {
 713                 model_->appendRow(row);
 714                 return;
 715         }
 716
 717         // find category
 718         int i = 0;
 719         if (sortedByCat) {
 720                 while (i < end && model_->item(i, 2)->text() != qcat)
 721                         ++i;
 722         }
 723
 724         // skip the Standard layout
 725         if (i == 0)
 726                 ++i;
 727
 728         // the simple unsorted case
 729         if (!sorted) {
 730                 if (sortedByCat) {
 731                         // jump to the end of the category group
 732                         while (i < end && model_->item(i, 2)->text() == qcat)
 733                                 ++i;
 734                         model_->insertRow(i, row);
 735                 } else
 736                         model_->appendRow(row);
 737                 return;
 738         }
 739
 740         // find row to insert the item, after the separator if it exists
 741         if (i < end) {
 742                 // find alphabetic position
 743                 while (i != end
 744                        && model_->item(i, 0)->text().localeAwareCompare(titem) < 0
 745                        && (!sortedByCat || model_->item(i, 2)->text() == qcat))
 746                         ++i;
 747         }
 748
 749         model_->insertRow(i, row);
 750 }
 751
 752
 753 void GuiLayoutBox::updateContents(bool reset)
 754 {
 755         resetFilter();
 756
 757         Buffer const * buffer = owner_.buffer();
 758         if (!buffer) {
 759                 model_->clear();
 760                 setEnabled(false);
 761                 text_class_ = 0;
 762                 inset_ = 0;
 763                 return;
 764         }
 765
 766         // we'll only update the layout list if the text class has changed
 767         // or we've moved from one inset to another
 768         DocumentClass const * text_class = &buffer->params().documentClass();
 769         Inset const * inset =
 770                 owner_.view()->cursor().innerParagraph().inInset();
 771         if (!reset && text_class_ == text_class && inset_ == inset) {
 772                 set(owner_.view()->cursor().innerParagraph().layout().name());
 773                 return;
 774         }
 775
 776         inset_ = inset;
 777         text_class_ = text_class;
 778
 779         model_->clear();
 780         DocumentClass::const_iterator lit = text_class_->begin();
 781         DocumentClass::const_iterator len = text_class_->end();
 782
 783         for (; lit != len; ++lit) {
 784                 docstring const & name = lit->name();
 785                 bool const useEmpty = inset_->forceEmptyLayout() || inset_->useEmptyLayout();
 786                 // if this inset requires the empty layout, we skip the default
 787                 // layout
 788                 if (name == text_class_->defaultLayoutName() && inset_ && useEmpty)
 789                         continue;
 790                 // if it doesn't require the empty layout, we skip it
 791                 if (name == text_class_->emptyLayoutName() && inset_ && !useEmpty)
 792                         continue;
 793                 addItemSort(name, lit->category(), lyxrc.sort_layouts, lyxrc.group_layouts);
 794         }
 795
 796         set(owner_.view()->cursor().innerParagraph().layout().name());
 797         countCategories();
 798
 799         // needed to recalculate size hint
 800         hide();
 801         setMinimumWidth(sizeHint().width());
 802         setEnabled(!buffer->isReadonly());
 803         show();
 804 }
 805
 806
 807 void GuiLayoutBox::selected(int index)
 808 {
 809         // get selection
 810         QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
 811         docstring const layoutName =
 812                 qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
 813
 814         owner_.setFocus();
 815
 816         if (!text_class_) {
 817                 updateContents(false);
 818                 resetFilter();
 819                 return;
 820         }
 821
 822         // find corresponding text class
 823         if (text_class_->hasLayout(layoutName)) {
 824                 FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
 825                 theLyXFunc().setLyXView(&owner_);
 826                 lyx::dispatch(func);
 827                 updateContents(false);
 828                 resetFilter();
 829                 return;
 830         }
 831         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 832 }
 833
 834
 835
 836 /////////////////////////////////////////////////////////////////////
 837 //
 838 // GuiToolbar
 839 //
 840 /////////////////////////////////////////////////////////////////////
 841
 842
 843 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 844         : QToolBar(qt_(tbinfo.gui_name), &owner), visibility_(0),
 845           allowauto_(false), owner_(owner), layout_(0), command_buffer_(0)
 846 {
 847         // give visual separation between adjacent toolbars
 848         addSeparator();
 849
 850         // TODO: save toolbar position
 851         setMovable(true);
 852
 853         //
 854         setObjectName(toqstr(tbinfo.name));
 855
 856         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 857         ToolbarInfo::item_iterator end = tbinfo.items.end();
 858         for (; it != end; ++it)
 859                 add(*it);
 860
 861         restoreSession();
 862 }
 863
 864
 865 void GuiToolbar::setVisibility(int visibility)
 866 {
 867         visibility_ = visibility;
 868         allowauto_ = visibility_ >= Toolbars::MATH;
 869 }
 870
 871
 872 Action * GuiToolbar::addItem(ToolbarItem const & item)
 873 {
 874         Action * act = new Action(&owner_, getIcon(item.func_, false),
 875                 toqstr(item.label_), item.func_, toqstr(item.label_), this);
 876         actions_.append(act);
 877         return act;
 878 }
 879
 880 namespace {
 881
 882 class PaletteButton : public QToolButton
 883 {
 884 private:
 885         GuiToolbar * bar_;
 886         ToolbarItem const & tbitem_;
 887         bool initialized_;
 888 public:
 889         PaletteButton(GuiToolbar * bar, ToolbarItem const & item)
 890                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 891         {
 892                 QString const label = qt_(to_ascii(tbitem_.label_));
 893                 setToolTip(label);
 894                 setStatusTip(label);
 895                 setText(label);
 896                 connect(bar_, SIGNAL(iconSizeChanged(QSize)),
 897                         this, SLOT(setIconSize(QSize)));
 898                 setCheckable(true);
 899                 ToolbarInfo const * tbinfo = guiApp->toolbars().info(tbitem_.name_);
 900                 if (tbinfo)
 901                         // use the icon of first action for the toolbar button
 902                         setIcon(getIcon(tbinfo->items.begin()->func_, true));
 903         }
 904
 905         void mousePressEvent(QMouseEvent * e)
 906         {
 907                 if (initialized_) {
 908                         QToolButton::mousePressEvent(e);
 909                         return;
 910                 }
 911
 912                 initialized_ = true;
 913
 914                 ToolbarInfo const * tbinfo = guiApp->toolbars().info(tbitem_.name_);
 915                 if (!tbinfo) {
 916                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 917                         return;
 918                 }
 919                 IconPalette * panel = new IconPalette(this);
 920                 QString const label = qt_(to_ascii(tbitem_.label_));
 921                 panel->setWindowTitle(label);
 922                 connect(this, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 923                 connect(panel, SIGNAL(visible(bool)), this, SLOT(setChecked(bool)));
 924                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 925                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 926                 for (; it != end; ++it)
 927                         if (!getStatus(it->func_).unknown())
 928                                 panel->addButton(bar_->addItem(*it));
 929
 930                 QToolButton::mousePressEvent(e);
 931         }
 932 };
 933
 934 class MenuButton : public QToolButton
 935 {
 936 private:
 937         GuiToolbar * bar_;
 938         ToolbarItem const & tbitem_;
 939         bool initialized_;
 940 public:
 941         MenuButton(GuiToolbar * bar, ToolbarItem const & item)
 942                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 943         {
 944                 setPopupMode(QToolButton::InstantPopup);
 945                 QString const label = qt_(to_ascii(tbitem_.label_));
 946                 setToolTip(label);
 947                 setStatusTip(label);
 948                 setText(label);
 949                 setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
 950                 connect(bar, SIGNAL(iconSizeChanged(QSize)),
 951                         this, SLOT(setIconSize(QSize)));
 952         }
 953
 954         void mousePressEvent(QMouseEvent * e)
 955         {
 956                 if (initialized_) {
 957                         QToolButton::mousePressEvent(e);
 958                         return;
 959                 }
 960
 961                 initialized_ = true;
 962
 963                 QString const label = qt_(to_ascii(tbitem_.label_));
 964                 ButtonMenu * m = new ButtonMenu(label, this);
 965                 m->setWindowTitle(label);
 966                 m->setTearOffEnabled(true);
 967                 connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
 968                 ToolbarInfo const * tbinfo = guiApp->toolbars().info(tbitem_.name_);
 969                 if (!tbinfo) {
 970                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 971                         return;
 972                 }
 973                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 974                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 975                 for (; it != end; ++it)
 976                         if (!getStatus(it->func_).unknown())
 977                                 m->add(bar_->addItem(*it));
 978                 setMenu(m);
 979
 980                 QToolButton::mousePressEvent(e);
 981         }
 982 };
 983
 984 }
 985
 986
 987 void GuiToolbar::add(ToolbarItem const & item)
 988 {
 989         switch (item.type_) {
 990         case ToolbarItem::SEPARATOR:
 991                 addSeparator();
 992                 break;
 993         case ToolbarItem::LAYOUTS:
 994                 layout_ = new GuiLayoutBox(this, owner_);
 995                 addWidget(layout_);
 996                 break;
 997         case ToolbarItem::MINIBUFFER:
 998                 command_buffer_ = new GuiCommandBuffer(&owner_);
 999                 addWidget(command_buffer_);
1000                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
1001                 //setHorizontalStretchable(true);
1002                 break;
1003         case ToolbarItem::TABLEINSERT: {
1004                 QToolButton * tb = new QToolButton;
1005                 tb->setCheckable(true);
1006                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
1007                 QString const label = qt_(to_ascii(item.label_));
1008                 tb->setToolTip(label);
1009                 tb->setStatusTip(label);
1010                 tb->setText(label);
1011                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
1012                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
1013                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
1014                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
1015                 addWidget(tb);
1016                 break;
1017                 }
1018         case ToolbarItem::ICONPALETTE:
1019                 addWidget(new PaletteButton(this, item));
1020                 break;
1021
1022         case ToolbarItem::POPUPMENU: {
1023                 addWidget(new MenuButton(this, item));
1024                 break;
1025                 }
1026         case ToolbarItem::COMMAND: {
1027                 if (!getStatus(item.func_).unknown())
1028                         addAction(addItem(item));
1029                 break;
1030                 }
1031         default:
1032                 break;
1033         }
1034 }
1035
1036
1037 void GuiToolbar::update(bool in_math, bool in_table, bool in_review,
1038         bool in_mathmacrotemplate)
1039 {
1040         if (visibility_ & Toolbars::AUTO) {
1041                 bool show_it = in_math && (visibility_ & Toolbars::MATH)
1042                         || in_table && (visibility_ & Toolbars::TABLE)
1043                         || in_review && (visibility_ & Toolbars::REVIEW)
1044                         || in_mathmacrotemplate && (visibility_ & Toolbars::MATHMACROTEMPLATE);
1045                 setVisible(show_it);
1046         }
1047
1048         // update visible toolbars only
1049         if (!isVisible())
1050                 return;
1051
1052         // This is a speed bottleneck because this is called on every keypress
1053         // and update calls getStatus, which copies the cursor at least two times
1054         for (int i = 0; i < actions_.size(); ++i)
1055                 actions_[i]->update();
1056
1057         if (layout_)
1058                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
1059
1060         // emit signal
1061         updated();
1062 }
1063
1064
1065 QString GuiToolbar::sessionKey() const
1066 {
1067         return "view-" + QString::number(owner_.id()) + "/" + objectName();
1068 }
1069
1070
1071 void GuiToolbar::saveSession() const
1072 {
1073         QSettings settings;
1074         settings.setValue(sessionKey() + "/visibility", visibility_);
1075 }
1076
1077
1078 void GuiToolbar::restoreSession()
1079 {
1080         QSettings settings;
1081         setVisibility(settings.value(sessionKey() + "/visibility").toInt());
1082 }
1083
1084
1085 void GuiToolbar::toggle()
1086 {
1087         docstring state;
1088         if (allowauto_) {
1089                 if (!(visibility_ & Toolbars::AUTO)) {
1090                         visibility_ |= Toolbars::AUTO;
1091                         hide();
1092                         state = _("auto");
1093                 } else {
1094                         visibility_ &= ~Toolbars::AUTO;
1095                         if (isVisible()) {
1096                                 hide();
1097                                 state = _("off");
1098                         } else {
1099                                 show();
1100                                 state = _("on");
1101                         }
1102                 }
1103         } else {
1104                 if (isVisible()) {
1105                         hide();
1106                         state = _("off");
1107                 } else {
1108                         show();
1109                         state = _("on");
1110                 }
1111         }
1112
1113         owner_.message(bformat(_("Toolbar \"%1$s\" state set to %2$s"),
1114                 qstring_to_ucs4(windowTitle()), state));
1115 }
1116
1117 } // namespace frontend
1118 } // namespace lyx
1119
1120 #include "GuiToolbar_moc.cpp"