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