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 <QFontMetrics>
  50 #include <QHeaderView>
  51 #include <QKeyEvent>
  52 #include <QList>
  53 #include <QListView>
  54 #include <QPainter>
  55 #include <QPixmap>
  56 #include <QSortFilterProxyModel>
  57 #include <QStandardItem>
  58 #include <QStandardItemModel>
  59 #include <QTextDocument>
  60 #include <QToolBar>
  61 #include <QToolButton>
  62 #include <QVariant>
  63
  64 #include <boost/assert.hpp>
  65
  66 #include <map>
  67 #include <vector>
  68
  69 using namespace std;
  70 using namespace lyx::support;
  71
  72 static void initializeResources()
  73 {
  74         static bool initialized = false;
  75         if (!initialized) {
  76                 Q_INIT_RESOURCE(Resources);
  77                 initialized = true;
  78         }
  79 }
  80
  81
  82 namespace lyx {
  83 namespace frontend {
  84
  85 namespace {
  86
  87 struct PngMap {
  88         QString key;
  89         QString value;
  90 };
  91
  92
  93 bool operator<(PngMap const & lhs, PngMap const & rhs)
  94 {
  95                 return lhs.key < rhs.key;
  96 }
  97
  98
  99 class CompareKey {
 100 public:
 101         CompareKey(QString const & name) : name_(name) {}
 102         bool operator()(PngMap const & other) const { return other.key == name_; }
 103 private:
 104         QString const name_;
 105 };
 106
 107
 108 PngMap sorted_png_map[] = {
 109         { "Bumpeq", "bumpeq2" },
 110         { "Cap", "cap2" },
 111         { "Cup", "cup2" },
 112         { "Delta", "delta2" },
 113         { "Downarrow", "downarrow2" },
 114         { "Gamma", "gamma2" },
 115         { "Lambda", "lambda2" },
 116         { "Leftarrow", "leftarrow2" },
 117         { "Leftrightarrow", "leftrightarrow2" },
 118         { "Longleftarrow", "longleftarrow2" },
 119         { "Longleftrightarrow", "longleftrightarrow2" },
 120         { "Longrightarrow", "longrightarrow2" },
 121         { "Omega", "omega2" },
 122         { "Phi", "phi2" },
 123         { "Pi", "pi2" },
 124         { "Psi", "psi2" },
 125         { "Rightarrow", "rightarrow2" },
 126         { "Sigma", "sigma2" },
 127         { "Subset", "subset2" },
 128         { "Supset", "supset2" },
 129         { "Theta", "theta2" },
 130         { "Uparrow", "uparrow2" },
 131         { "Updownarrow", "updownarrow2" },
 132         { "Upsilon", "upsilon2" },
 133         { "Vdash", "vdash3" },
 134         { "Xi", "xi2" },
 135         { "nLeftarrow", "nleftarrow2" },
 136         { "nLeftrightarrow", "nleftrightarrow2" },
 137         { "nRightarrow", "nrightarrow2" },
 138         { "nVDash", "nvdash3" },
 139         { "nvDash", "nvdash2" },
 140         { "textrm \\AA", "textrm_AA"},
 141         { "textrm \\O", "textrm_O"},
 142         { "vDash", "vdash2" }
 143 };
 144
 145 size_t const nr_sorted_png_map = sizeof(sorted_png_map) / sizeof(PngMap);
 146
 147
 148 QString findPng(QString const & name)
 149 {
 150         PngMap const * const begin = sorted_png_map;
 151         PngMap const * const end = begin + nr_sorted_png_map;
 152         BOOST_ASSERT(sorted(begin, end));
 153
 154         PngMap const * const it = find_if(begin, end, CompareKey(name));
 155
 156         QString png_name;
 157         if (it != end) {
 158                 png_name = it->value;
 159         } else {
 160                 png_name = name;
 161                 png_name.replace('_', "underscore");
 162                 png_name.replace(' ', '_');
 163
 164                 // This way we can have "math-delim { }" on the toolbar.
 165                 png_name.replace('(', "lparen");
 166                 png_name.replace(')', "rparen");
 167                 png_name.replace('[', "lbracket");
 168                 png_name.replace(']', "rbracket");
 169                 png_name.replace('{', "lbrace");
 170                 png_name.replace('}', "rbrace");
 171                 png_name.replace('|', "bars");
 172                 png_name.replace(',', "thinspace");
 173                 png_name.replace(':', "mediumspace");
 174                 png_name.replace(';', "thickspace");
 175                 png_name.replace('!', "negthinspace");
 176         }
 177
 178         LYXERR(Debug::GUI, "findPng(" << fromqstr(name) << ")\n"
 179                 << "Looking for math PNG called \"" << fromqstr(png_name) << '"');
 180         return png_name;
 181 }
 182
 183 } // namespace anon
 184
 185
 186 /// return a icon for the given action
 187 static QIcon getIcon(FuncRequest const & f, bool unknown)
 188 {
 189         initializeResources();
 190         QPixmap pm;
 191         QString name1;
 192         QString name2;
 193         QString path;
 194         switch (f.action) {
 195         case LFUN_MATH_INSERT:
 196                 if (!f.argument().empty()) {
 197                         path = "math/";
 198                         name1 = findPng(toqstr(f.argument()).mid(1));
 199                 }
 200                 break;
 201         case LFUN_MATH_DELIM:
 202         case LFUN_MATH_BIGDELIM:
 203                 path = "math/";
 204                 name1 = findPng(toqstr(f.argument()));
 205                 break;
 206         case LFUN_CALL:
 207                 path = "commands/";
 208                 name1 = toqstr(f.argument());
 209                 break;
 210         default:
 211                 name2 = toqstr(lyxaction.getActionName(f.action));
 212                 name1 = name2;
 213
 214                 if (!f.argument().empty()) {
 215                         name1 = name2 + ' ' + toqstr(f.argument());
 216                         name1.replace(' ', '_');
 217                 }
 218         }
 219
 220         string fullname = libFileSearch("images/" + path, name1, "png").absFilename();
 221         if (pm.load(toqstr(fullname)))
 222                 return pm;
 223
 224         fullname = libFileSearch("images/" + path, name2, "png").absFilename();
 225         if (pm.load(toqstr(fullname)))
 226                 return pm;
 227
 228         if (pm.load(":/images/" + path + name1 + ".png"))
 229                 return pm;
 230
 231         if (pm.load(":/images/" + path + name2 + ".png"))
 232                 return pm;
 233
 234         LYXERR(Debug::GUI, "Cannot find icon for command \""
 235                            << lyxaction.getActionName(f.action)
 236                            << '(' << to_utf8(f.argument()) << ")\"");
 237         if (unknown)
 238                 pm.load(":/images/unknown.png");
 239
 240         return pm;
 241 }
 242
 243
 244 /////////////////////////////////////////////////////////////////////
 245 //
 246 // GuiLayoutBox
 247 //
 248 /////////////////////////////////////////////////////////////////////
 249
 250 class LayoutItemDelegate : public QAbstractItemDelegate {
 251 public:
 252         ///
 253         explicit LayoutItemDelegate(QObject * parent = 0)
 254                 : QAbstractItemDelegate(parent)
 255         {}
 256
 257         ///
 258         void paint(QPainter * painter, QStyleOptionViewItem const & option,
 259                 QModelIndex const & index) const
 260         {
 261                 QComboBox * combo = static_cast<QComboBox *>(parent());
 262                 QSortFilterProxyModel const * model
 263                 = static_cast<QSortFilterProxyModel const *>(index.model());
 264                 QStyleOptionMenuItem opt = getStyleOption(option, index);
 265
 266                 painter->eraseRect(opt.rect);
 267
 268                 QString text = underlineFilter(opt.text);
 269                 opt.text = QString();
 270
 271                 // category header?
 272                 if (lyxrc.group_layouts) {
 273                         QString stdCat = category(*model->sourceModel(), 0);
 274                         QString cat = category(*index.model(), index.row());
 275
 276                         // not the standard layout and not the same as in the previous line?
 277                         if (stdCat != cat
 278                             && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 279                                 // draw category header
 280                                 paintBackground(painter, opt);
 281                                 paintCategoryHeader(painter, opt,
 282                                         category(*index.model(), index.row()));
 283
 284                                 QFontMetrics fm(opt.font);
 285                                 opt.rect.setTop(opt.rect.top() + headerHeight(opt));
 286                                 opt.menuRect = opt.rect;
 287                         }
 288                 }
 289
 290                 // Draw using the menu item style (this is how QComboBox does it).
 291                 // But for the rich text drawing below we will call it with an
 292                 // empty string, and later then draw over it the real string.
 293                 painter->save();
 294                 combo->style()->drawControl(QStyle::CE_MenuItem, &opt, painter, combo->view());
 295                 painter->restore();
 296
 297                 // Draw the rich text.
 298                 painter->save();
 299                 QColor col = opt.palette.text().color();
 300                 if (opt.state & QStyle::State_Selected)
 301                         col = opt.palette.highlightedText().color();
 302                 QAbstractTextDocumentLayout::PaintContext context;
 303                 context.palette.setColor(QPalette::Text, col);
 304
 305                 QTextDocument doc;
 306                 doc.setDefaultFont(opt.font);
 307                 doc.setHtml(text);
 308                 painter->translate(opt.rect.x() + 5, opt.rect.y());
 309                 doc.documentLayout()->draw(painter, context);
 310                 painter->restore();
 311         }
 312
 313         ///
 314         QSize sizeHint(QStyleOptionViewItem const & option,
 315                 QModelIndex const & index) const
 316         {
 317                 GuiLayoutBox * combo = static_cast<GuiLayoutBox *>(parent());
 318                 QSortFilterProxyModel const * model
 319                 = static_cast<QSortFilterProxyModel const *>(index.model());
 320                 QStyleOptionMenuItem opt = getStyleOption(option, index);
 321                 QSize size = combo->style()->sizeFromContents(
 322                          QStyle::CT_MenuItem, &opt, option.rect.size(), combo);
 323
 324                 /// QComboBox uses the first row height to estimate the
 325                 /// complete popup height during QComboBox::showPopup().
 326                 /// To avoid scrolling we have to sneak in space for the headers.
 327                 /// So we tweak this value accordingly. It's not nice, but the
 328                 /// only possible way it seems.
 329                 if (lyxrc.group_layouts && index.row() == 0 && combo->inShowPopup_) {
 330                         int itemHeight = size.height();
 331
 332                         // we have to show \c cats many headers:
 333                         unsigned cats = combo->visibleCategories_;
 334
 335                         // and we have \c n items to distribute the needed space over
 336                         unsigned n = combo->model()->rowCount();
 337
 338                         // so the needed average height (rounded upwards) is:
 339                         size.setHeight((headerHeight(opt) * cats + itemHeight * n + n - 1) / n);
 340                         return size;
 341                 }
 342
 343                 // Add space for the category headers here?
 344                 // Not for the standard layout though.
 345                 QString stdCat = category(*model->sourceModel(), 0);
 346                 QString cat = category(*index.model(), index.row());
 347                 if (lyxrc.group_layouts && stdCat != cat
 348                     && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
 349                         size.setHeight(size.height() + headerHeight(opt));
 350                 }
 351
 352                 return size;
 353         }
 354
 355 private:
 356         ///
 357         QString category(QAbstractItemModel const & model, int row) const
 358         {
 359                 return model.data(model.index(row, 2), Qt::DisplayRole).toString();
 360         }
 361
 362         ///
 363         void paintBackground(QPainter * painter, QStyleOptionMenuItem const & opt) const
 364         {
 365                 QComboBox * combo = static_cast<QComboBox *>(parent());
 366
 367                 // we only want to paint a background using the style, so
 368                 // disable every thing else
 369                 QStyleOptionMenuItem sopt = opt;
 370                 sopt.menuRect = sopt.rect;
 371                 sopt.state = QStyle::State_Active | QStyle::State_Enabled;
 372                 sopt.checked = false;
 373                 sopt.text = QString();
 374
 375                 painter->save();
 376                 combo->style()->drawControl(QStyle::CE_MenuItem, &sopt,
 377                         painter, combo->view());
 378                 painter->restore();
 379         }
 380
 381         ///
 382         int headerHeight(QStyleOptionMenuItem const & opt) const
 383         {
 384                 QFontMetrics fm(opt.font);
 385                 return fm.height() * 8 / 10;
 386         }
 387         ///
 388         void paintCategoryHeader(QPainter * painter, QStyleOptionMenuItem const & opt,
 389                 QString const & category) const
 390         {
 391                 painter->save();
 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                 painter->drawLine(opt.rect.x(), ymid, left - 1, ymid);
 419                 painter->drawLine(right + 1, ymid, opt.rect.right(), ymid);
 420
 421                 painter->restore();
 422         }
 423
 424
 425         ///
 426         QString underlineFilter(QString const & s) const
 427         {
 428                 // get filter
 429                 GuiLayoutBox * p = static_cast<GuiLayoutBox *>(parent());
 430                 QString const & f = p->filter();
 431                 if (f.isEmpty())
 432                         return s;
 433
 434                 // step through data item and put "(x)" for every matching character
 435                 QString r;
 436                 int lastp = -1;
 437                 p->filter();
 438                 for (int i = 0; i < f.length(); ++i) {
 439                         int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
 440                         BOOST_ASSERT(p != -1);
 441                         if (lastp == p - 1 && lastp != -1) {
 442                                 // remove ")" and append "x)"
 443                                 r = r.left(r.length() - 4) + s[p] + "</u>";
 444                         } else {
 445                                 // append "(x)"
 446                                 r += s.mid(lastp + 1, p - lastp - 1);
 447                                 r += QString("<u>") + s[p] + "</u>";
 448                         }
 449                         lastp = p;
 450                 }
 451                 r += s.mid(lastp + 1);
 452                 return r;
 453         }
 454
 455         ///
 456         QStyleOptionMenuItem getStyleOption(QStyleOptionViewItem const & option,
 457                 QModelIndex const & index) const
 458         {
 459                 QComboBox * combo = static_cast<QComboBox *>(parent());
 460
 461                 // create the options for a menu item
 462                 QStyleOptionMenuItem menuOption;
 463                 menuOption.palette = QApplication::palette("QMenu");
 464                 menuOption.state = QStyle::State_Active | QStyle::State_Enabled;
 465                 menuOption.menuRect = option.rect;
 466                 menuOption.rect = option.rect;
 467                 menuOption.font = combo->font();
 468                 menuOption.fontMetrics = QFontMetrics(menuOption.font);
 469                 menuOption.tabWidth = 0;
 470                 menuOption.text = index.model()->data(index, Qt::DisplayRole).toString()
 471                         .replace(QLatin1Char('&'), QLatin1String("&&"));
 472                 menuOption.menuItemType = QStyleOptionMenuItem::Normal;
 473                 if (option.state & QStyle::State_Selected)
 474                         menuOption.state |= QStyle::State_Selected;
 475                 menuOption.checkType = QStyleOptionMenuItem::NotCheckable;
 476                 menuOption.checked = false;
 477                 return menuOption;
 478         }
 479 };
 480
 481
 482 class GuiLayoutFilterModel : public QSortFilterProxyModel {
 483 public:
 484         ///
 485         GuiLayoutFilterModel(QObject * parent = 0)
 486                 : QSortFilterProxyModel(parent)
 487         {}
 488
 489         ///
 490         void triggerLayoutChange()
 491         {
 492                 layoutAboutToBeChanged();
 493                 layoutChanged();
 494         }
 495 };
 496
 497
 498 GuiLayoutBox::GuiLayoutBox(GuiView & owner)
 499         : owner_(owner), lastSel_(-1), layoutItemDelegate_(new LayoutItemDelegate(this)),
 500           visibleCategories_(0), inShowPopup_(false)
 501 {
 502         setSizeAdjustPolicy(QComboBox::AdjustToContents);
 503         setFocusPolicy(Qt::ClickFocus);
 504         setMinimumWidth(sizeHint().width());
 505         setMaxVisibleItems(100);
 506
 507         // set the layout model with two columns
 508         // 1st: translated layout names
 509         // 2nd: raw layout names
 510         model_ = new QStandardItemModel(0, 2, this);
 511         filterModel_ = new GuiLayoutFilterModel(this);
 512         filterModel_->setSourceModel(model_);
 513         setModel(filterModel_);
 514
 515         // for the filtering we have to intercept characters
 516         view()->installEventFilter(this);
 517         view()->setItemDelegateForColumn(0, layoutItemDelegate_);
 518
 519         QObject::connect(this, SIGNAL(activated(int)),
 520                          this, SLOT(selected(int)));
 521         owner_.setLayoutDialog(this);
 522         updateContents(true);
 523 }
 524
 525
 526 void GuiLayoutBox::setFilter(QString const & s)
 527 {
 528         if (!s.isEmpty())
 529                 owner_.message(_("Filtering layouts with \"" + fromqstr(s) + "\". "
 530                         "Press ESC to remove filter."));
 531         else
 532                 owner_.message(_("Enter characters to filter the layout list."));
 533
 534         bool enabled = view()->updatesEnabled();
 535         view()->setUpdatesEnabled(false);
 536
 537         // remember old selection
 538         int sel = currentIndex();
 539         if (sel != -1)
 540                 lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
 541
 542         filter_ = s;
 543         filterModel_->setFilterRegExp(charFilterRegExp(filter_));
 544         countCategories();
 545
 546         // restore old selection
 547         if (lastSel_ != -1) {
 548                 QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
 549                 if (i.isValid())
 550                         setCurrentIndex(i.row());
 551         }
 552
 553         // Workaround to resize to content size
 554         // FIXME: There must be a better way. The QComboBox::AdjustToContents)
 555         //        does not help.
 556         if (view()->isVisible()) {
 557                 // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 558                 // the hack in the item delegate to make space for the headers.
 559                 // We do not call our implementation of showPopup because that
 560                 // would reset the filter again. This is only needed if the user clicks
 561                 // on the QComboBox.
 562                 BOOST_ASSERT(!inShowPopup_);
 563                 inShowPopup_ = true;
 564                 QComboBox::showPopup();
 565                 inShowPopup_ = false;
 566
 567                 // The item delegate hack is off again. So trigger a relayout of the popup.
 568                 filterModel_->triggerLayoutChange();
 569         }
 570
 571         view()->setUpdatesEnabled(enabled);
 572 }
 573
 574
 575 void GuiLayoutBox::countCategories()
 576 {
 577         int n = filterModel_->rowCount();
 578         visibleCategories_ = 0;
 579         if (n == 0 || !lyxrc.group_layouts)
 580                 return;
 581
 582         // skip the "Standard" category
 583         QString prevCat = model_->index(0, 2).data().toString();
 584
 585         // count categories
 586         for (int i = 0; i < n; ++i) {
 587                 QString cat = filterModel_->index(i, 2).data().toString();
 588                 if (cat != prevCat)
 589                         ++visibleCategories_;
 590                 prevCat = cat;
 591         }
 592 }
 593
 594
 595 QString GuiLayoutBox::charFilterRegExp(QString const & filter)
 596 {
 597         QString re;
 598         for (int i = 0; i < filter.length(); ++i) {
 599                 QChar c = filter[i];
 600                 if (c.isLower())
 601                         re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
 602                 else
 603                         re += ".*" + QRegExp::escape(c);
 604         }
 605         return re;
 606 }
 607
 608
 609 void GuiLayoutBox::resetFilter()
 610 {
 611         setFilter(QString());
 612 }
 613
 614
 615 void GuiLayoutBox::showPopup()
 616 {
 617         owner_.message(_("Enter characters to filter the layout list."));
 618
 619         bool enabled = view()->updatesEnabled();
 620         view()->setUpdatesEnabled(false);
 621
 622         resetFilter();
 623
 624         // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
 625         // the hack in the item delegate to make space for the headers.
 626         BOOST_ASSERT(!inShowPopup_);
 627         inShowPopup_ = true;
 628         QComboBox::showPopup();
 629         inShowPopup_ = false;
 630
 631         // The item delegate hack is off again. So trigger a relayout of the popup.
 632         filterModel_->triggerLayoutChange();
 633
 634         view()->setUpdatesEnabled(enabled);
 635 }
 636
 637
 638 bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
 639 {
 640         if (e->type() != QEvent::KeyPress)
 641                 return QComboBox::eventFilter(o, e);
 642
 643         QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 644         bool modified = (ke->modifiers() == Qt::ControlModifier)
 645                 || (ke->modifiers() == Qt::AltModifier)
 646                 || (ke->modifiers() == Qt::MetaModifier);
 647
 648         switch (ke->key()) {
 649         case Qt::Key_Escape:
 650                 if (!modified && !filter_.isEmpty()) {
 651                         resetFilter();
 652                         return true;
 653                 }
 654                 break;
 655         case Qt::Key_Backspace:
 656                 if (!modified) {
 657                         // cut off one character
 658                         setFilter(filter_.left(filter_.length() - 1));
 659                 }
 660                 break;
 661         default:
 662                 if (modified || ke->text().isEmpty())
 663                         break;
 664                 // find chars for the filter string
 665                 QString s;
 666                 for (int i = 0; i < ke->text().length(); ++i) {
 667                         QChar c = ke->text()[i];
 668                         if (c.isLetterOrNumber()
 669                             || c.isSymbol()
 670                             || c.isPunct()
 671                             || c.category() == QChar::Separator_Space) {
 672                                 s += c;
 673                         }
 674                 }
 675                 if (!s.isEmpty()) {
 676                         // append new chars to the filter string
 677                         setFilter(filter_ + s);
 678                         return true;
 679                 }
 680                 break;
 681         }
 682
 683         return QComboBox::eventFilter(o, e);
 684 }
 685
 686
 687 void GuiLayoutBox::set(docstring const & layout)
 688 {
 689         resetFilter();
 690
 691         if (!text_class_)
 692                 return;
 693
 694         QString const & name = toqstr((*text_class_)[layout].name());
 695         if (name == currentText())
 696                 return;
 697
 698         QList<QStandardItem *> r = model_->findItems(name, Qt::MatchExactly, 1);
 699         if (r.empty()) {
 700                 lyxerr << "Trying to select non existent layout type "
 701                         << fromqstr(name) << endl;
 702                 return;
 703         }
 704
 705         setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
 706 }
 707
 708
 709 void GuiLayoutBox::addItemSort(docstring const & item, docstring const & category,
 710         bool sorted, bool sortedByCat)
 711 {
 712         QString qitem = toqstr(item);
 713         QString titem = toqstr(translateIfPossible(item));
 714         QString qcat = toqstr(translateIfPossible(category));
 715
 716         QList<QStandardItem *> row;
 717         row.append(new QStandardItem(titem));
 718         row.append(new QStandardItem(qitem));
 719         row.append(new QStandardItem(qcat));
 720
 721         // the first entry is easy
 722         int const end = model_->rowCount();
 723         if (end == 0) {
 724                 model_->appendRow(row);
 725                 return;
 726         }
 727
 728         // find category
 729         int i = 0;
 730         if (sortedByCat) {
 731                 while (i < end && model_->item(i, 2)->text() != qcat)
 732                         ++i;
 733         }
 734
 735         // skip the Standard layout
 736         if (i == 0)
 737                 ++i;
 738
 739         // the simple unsorted case
 740         if (!sorted) {
 741                 if (sortedByCat) {
 742                         // jump to the end of the category group
 743                         while (i < end && model_->item(i, 2)->text() == qcat)
 744                                 ++i;
 745                         model_->insertRow(i, row);
 746                 } else
 747                         model_->appendRow(row);
 748                 return;
 749         }
 750
 751         // find row to insert the item, after the separator if it exists
 752         if (i < end) {
 753                 // find alphabetic position
 754                 while (i != end
 755                        && model_->item(i, 0)->text().compare(titem) < 0
 756                        && (!sortedByCat || model_->item(i, 2)->text() == qcat))
 757                         ++i;
 758         }
 759
 760         model_->insertRow(i, row);
 761 }
 762
 763
 764 void GuiLayoutBox::updateContents(bool reset)
 765 {
 766         resetFilter();
 767
 768         Buffer const * buffer = owner_.buffer();
 769         if (!buffer) {
 770                 model_->clear();
 771                 setEnabled(false);
 772                 text_class_ = 0;
 773                 inset_ = 0;
 774                 return;
 775         }
 776
 777         // we'll only update the layout list if the text class has changed
 778         // or we've moved from one inset to another
 779         DocumentClass const * text_class = &buffer->params().documentClass();
 780         Inset const * inset =
 781         owner_.view()->cursor().innerParagraph().inInset();
 782         if (!reset && text_class_ == text_class && inset_ == inset) {
 783                 set(owner_.view()->cursor().innerParagraph().layout().name());
 784                 return;
 785         }
 786
 787         inset_ = inset;
 788         text_class_ = text_class;
 789
 790         model_->clear();
 791         DocumentClass::const_iterator lit = text_class_->begin();
 792         DocumentClass::const_iterator len = text_class_->end();
 793         for (; lit != len; ++lit) {
 794                 docstring const & name = lit->name();
 795                 // if this inset requires the empty layout, we skip the default
 796                 // layout
 797                 if (name == text_class_->defaultLayoutName() && inset &&
 798                     (inset->forceEmptyLayout() || inset->useEmptyLayout()))
 799                         continue;
 800                 // if it doesn't require the empty layout, we skip it
 801                 if (name == text_class_->emptyLayoutName() && inset &&
 802                     !inset->forceEmptyLayout() && !inset->useEmptyLayout())
 803                         continue;
 804                 addItemSort(name, lit->category(), lyxrc.sort_layouts, lyxrc.group_layouts);
 805         }
 806
 807         set(owner_.view()->cursor().innerParagraph().layout().name());
 808         countCategories();
 809
 810         // needed to recalculate size hint
 811         hide();
 812         setMinimumWidth(sizeHint().width());
 813         setEnabled(!buffer->isReadonly());
 814         show();
 815 }
 816
 817
 818 void GuiLayoutBox::selected(int index)
 819 {
 820         // get selection
 821         QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
 822         docstring const layoutName =
 823                 qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
 824
 825         owner_.setFocus();
 826
 827         if (!text_class_) {
 828                 updateContents(false);
 829                 resetFilter();
 830                 return;
 831         }
 832
 833         // find corresponding text class
 834         if (text_class_->hasLayout(layoutName)) {
 835                 FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
 836                 theLyXFunc().setLyXView(&owner_);
 837                 lyx::dispatch(func);
 838                 updateContents(false);
 839                 resetFilter();
 840                 return;
 841         }
 842         lyxerr << "ERROR (layoutSelected): layout not found!" << endl;
 843 }
 844
 845
 846
 847 /////////////////////////////////////////////////////////////////////
 848 //
 849 // GuiToolbar
 850 //
 851 /////////////////////////////////////////////////////////////////////
 852
 853
 854 GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
 855         : QToolBar(qt_(tbinfo.gui_name), &owner), owner_(owner),
 856           layout_(0), command_buffer_(0)
 857 {
 858         // give visual separation between adjacent toolbars
 859         addSeparator();
 860
 861         // TODO: save toolbar position
 862         setMovable(true);
 863
 864         ToolbarInfo::item_iterator it = tbinfo.items.begin();
 865         ToolbarInfo::item_iterator end = tbinfo.items.end();
 866         for (; it != end; ++it)
 867                 add(*it);
 868 }
 869
 870
 871 Action * GuiToolbar::addItem(ToolbarItem const & item)
 872 {
 873         Action * act = new Action(owner_,
 874                 getIcon(item.func_, false),
 875           toqstr(item.label_), item.func_, toqstr(item.label_));
 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 =
 900                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 901                 if (tbinfo)
 902                         // use the icon of first action for the toolbar button
 903                         setIcon(getIcon(tbinfo->items.begin()->func_, true));
 904         }
 905
 906         void mousePressEvent(QMouseEvent * e)
 907         {
 908                 if (initialized_) {
 909                         QToolButton::mousePressEvent(e);
 910                         return;
 911                 }
 912
 913                 initialized_ = true;
 914
 915                 ToolbarInfo const * tbinfo =
 916                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 917                 if (!tbinfo) {
 918                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 919                         return;
 920                 }
 921                 IconPalette * panel = new IconPalette(this);
 922                 QString const label = qt_(to_ascii(tbitem_.label_));
 923                 panel->setWindowTitle(label);
 924                 connect(this, SIGNAL(clicked(bool)), panel, SLOT(setVisible(bool)));
 925                 connect(panel, SIGNAL(visible(bool)), this, SLOT(setChecked(bool)));
 926                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 927                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 928                 for (; it != end; ++it)
 929                         if (!getStatus(it->func_).unknown())
 930                                 panel->addButton(bar_->addItem(*it));
 931
 932                 QToolButton::mousePressEvent(e);
 933         }
 934 };
 935
 936 class MenuButton : public QToolButton
 937 {
 938 private:
 939         GuiToolbar * bar_;
 940         ToolbarItem const & tbitem_;
 941         bool initialized_;
 942 public:
 943         MenuButton(GuiToolbar * bar, ToolbarItem const & item)
 944                 : QToolButton(bar), bar_(bar), tbitem_(item), initialized_(false)
 945         {
 946                 setPopupMode(QToolButton::InstantPopup);
 947                 QString const label = qt_(to_ascii(tbitem_.label_));
 948                 setToolTip(label);
 949                 setStatusTip(label);
 950                 setText(label);
 951                 setIcon(QPixmap(":images/math/" + toqstr(tbitem_.name_) + ".png"));
 952                 connect(bar, SIGNAL(iconSizeChanged(QSize)),
 953                         this, SLOT(setIconSize(QSize)));
 954         }
 955
 956         void mousePressEvent(QMouseEvent * e)
 957         {
 958                 if (initialized_) {
 959                         QToolButton::mousePressEvent(e);
 960                         return;
 961                 }
 962
 963                 initialized_ = true;
 964
 965                 QString const label = qt_(to_ascii(tbitem_.label_));
 966                 ButtonMenu * m = new ButtonMenu(label, this);
 967                 m->setWindowTitle(label);
 968                 m->setTearOffEnabled(true);
 969                 connect(bar_, SIGNAL(updated()), m, SLOT(updateParent()));
 970                 ToolbarInfo const * tbinfo =
 971                         toolbarbackend.getDefinedToolbarInfo(tbitem_.name_);
 972                 if (!tbinfo) {
 973                         lyxerr << "Unknown toolbar " << tbitem_.name_ << endl;
 974                         return;
 975                 }
 976                 ToolbarInfo::item_iterator it = tbinfo->items.begin();
 977                 ToolbarInfo::item_iterator const end = tbinfo->items.end();
 978                 for (; it != end; ++it)
 979                         if (!getStatus(it->func_).unknown())
 980                                 m->add(bar_->addItem(*it));
 981                 setMenu(m);
 982
 983                 QToolButton::mousePressEvent(e);
 984         }
 985 };
 986
 987 }
 988
 989
 990 void GuiToolbar::add(ToolbarItem const & item)
 991 {
 992         switch (item.type_) {
 993         case ToolbarItem::SEPARATOR:
 994                 addSeparator();
 995                 break;
 996         case ToolbarItem::LAYOUTS:
 997                 layout_ = new GuiLayoutBox(owner_);
 998                 addWidget(layout_);
 999                 break;
1000         case ToolbarItem::MINIBUFFER:
1001                 command_buffer_ = new GuiCommandBuffer(&owner_);
1002                 addWidget(command_buffer_);
1003                 /// \todo find a Qt4 equivalent to setHorizontalStretchable(true);
1004                 //setHorizontalStretchable(true);
1005                 break;
1006         case ToolbarItem::TABLEINSERT: {
1007                 QToolButton * tb = new QToolButton;
1008                 tb->setCheckable(true);
1009                 tb->setIcon(getIcon(FuncRequest(LFUN_TABULAR_INSERT), true));
1010                 QString const label = qt_(to_ascii(item.label_));
1011                 tb->setToolTip(label);
1012                 tb->setStatusTip(label);
1013                 tb->setText(label);
1014                 InsertTableWidget * iv = new InsertTableWidget(owner_, tb);
1015                 connect(tb, SIGNAL(clicked(bool)), iv, SLOT(show(bool)));
1016                 connect(iv, SIGNAL(visible(bool)), tb, SLOT(setChecked(bool)));
1017                 connect(this, SIGNAL(updated()), iv, SLOT(updateParent()));
1018                 addWidget(tb);
1019                 break;
1020                 }
1021         case ToolbarItem::ICONPALETTE:
1022                 addWidget(new PaletteButton(this, item));
1023                 break;
1024
1025         case ToolbarItem::POPUPMENU: {
1026                 addWidget(new MenuButton(this, item));
1027                 break;
1028                 }
1029         case ToolbarItem::COMMAND: {
1030                 if (!getStatus(item.func_).unknown())
1031                         addAction(addItem(item));
1032                 break;
1033                 }
1034         default:
1035                 break;
1036         }
1037 }
1038
1039
1040 void GuiToolbar::saveInfo(ToolbarSection::ToolbarInfo & tbinfo)
1041 {
1042         // if tbinfo.state == auto *do not* set on/off
1043         if (tbinfo.state != ToolbarSection::ToolbarInfo::AUTO) {
1044                 if (GuiToolbar::isVisible())
1045                         tbinfo.state = ToolbarSection::ToolbarInfo::ON;
1046                 else
1047                         tbinfo.state = ToolbarSection::ToolbarInfo::OFF;
1048         }
1049         //
1050         // no need to save it here.
1051         Qt::ToolBarArea loc = owner_.toolBarArea(this);
1052
1053         if (loc == Qt::TopToolBarArea)
1054                 tbinfo.location = ToolbarSection::ToolbarInfo::TOP;
1055         else if (loc == Qt::BottomToolBarArea)
1056                 tbinfo.location = ToolbarSection::ToolbarInfo::BOTTOM;
1057         else if (loc == Qt::RightToolBarArea)
1058                 tbinfo.location = ToolbarSection::ToolbarInfo::RIGHT;
1059         else if (loc == Qt::LeftToolBarArea)
1060                 tbinfo.location = ToolbarSection::ToolbarInfo::LEFT;
1061         else
1062                 tbinfo.location = ToolbarSection::ToolbarInfo::NOTSET;
1063
1064         // save toolbar position. They are not used to restore toolbar position
1065         // now because move(x,y) does not work for toolbar.
1066         tbinfo.posx = pos().x();
1067         tbinfo.posy = pos().y();
1068 }
1069
1070
1071 void GuiToolbar::updateContents()
1072 {
1073         // update visible toolbars only
1074         if (!isVisible())
1075                 return;
1076         // This is a speed bottleneck because this is called on every keypress
1077         // and update calls getStatus, which copies the cursor at least two times
1078         for (int i = 0; i < actions_.size(); ++i)
1079                 actions_[i]->update();
1080
1081         if (layout_)
1082                 layout_->setEnabled(lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
1083
1084         // emit signal
1085         updated();
1086 }
1087
1088
1089 } // namespace frontend
1090 } // namespace lyx
1091
1092 #include "GuiToolbar_moc.cpp"