src/frontends/qt4/GuiView.cpp

   1 /**
   2  * \file GuiView.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 Abdelrazak Younes
   9  * \author Peter Kümmel
  10  *
  11  * Full author contact details are available in file CREDITS.
  12  */
  13
  14 #include <config.h>
  15
  16 #include "GuiView.h"
  17
  18 #include "GuiImplementation.h"
  19 #include "GuiWorkArea.h"
  20 #include "GuiKeySymbol.h"
  21 #include "GuiMenubar.h"
  22 #include "GuiToolbar.h"
  23 #include "GuiToolbars.h"
  24 #include "qt_helpers.h"
  25
  26 #include "frontends/Application.h"
  27 #include "frontends/Dialogs.h"
  28 #include "frontends/Gui.h"
  29 #include "frontends/WorkArea.h"
  30
  31 #include "support/filetools.h"
  32 #include "support/convert.h"
  33 #include "support/lstrings.h"
  34 #include "support/os.h"
  35
  36 #include "Buffer.h"
  37 #include "BufferParams.h"
  38 #include "BufferView.h"
  39 #include "BufferList.h"
  40 #include "Cursor.h"
  41 #include "debug.h"
  42 #include "FuncRequest.h"
  43 #include "Layout.h"
  44 #include "LyX.h"
  45 #include "LyXFunc.h"
  46 #include "LyXRC.h"
  47 #include "MenuBackend.h"
  48 #include "Paragraph.h"
  49 #include "Session.h"
  50 #include "TextClass.h"
  51 #include "ToolbarBackend.h"
  52 #include "version.h"
  53
  54 #include <QAction>
  55 #include <QApplication>
  56 #include <QCloseEvent>
  57 #include <QDesktopWidget>
  58 #include <QDragEnterEvent>
  59 #include <QDropEvent>
  60 #include <QList>
  61 #include <QMenu>
  62 #include <QPainter>
  63 #include <QPixmap>
  64 #include <QPushButton>
  65 #include <QStackedWidget>
  66 #include <QStatusBar>
  67 #include <QToolBar>
  68 #include <QUrl>
  69
  70 #include <boost/current_function.hpp>
  71
  72 using std::endl;
  73 using std::string;
  74 using std::vector;
  75
  76 namespace lyx {
  77
  78 using support::makeDisplayPath;
  79
  80 extern bool quitting;
  81
  82 namespace frontend {
  83
  84 namespace {
  85
  86 int const statusbar_timer_value = 3000;
  87
  88 class BackgroundWidget : public QWidget
  89 {
  90 public:
  91         BackgroundWidget(QString const & file, QString const & text)
  92         {
  93                 splash_ = new QPixmap(file);
  94                 if (!splash_) {
  95                         lyxerr << "could not load splash screen: '" << fromqstr(file) << "'" << endl;
  96                         return;
  97                 }
  98
  99                 QPainter pain(splash_);
 100                 pain.setPen(QColor(255, 255, 0));
 101                 QFont font;
 102                 // The font used to display the version info
 103                 font.setStyleHint(QFont::SansSerif);
 104                 font.setWeight(QFont::Bold);
 105                 font.setPointSize(convert<int>(lyxrc.font_sizes[FONT_SIZE_LARGE]));
 106                 pain.setFont(font);
 107                 pain.drawText(260, 270, text);
 108         }
 109
 110         void paintEvent(QPaintEvent *)
 111         {
 112                 if (!splash_)
 113                         return;
 114
 115                 int x = (width() - splash_->width()) / 2;
 116                 int y = (height() - splash_->height()) / 2;
 117                 QPainter pain(this);
 118                 pain.drawPixmap(x, y, *splash_);
 119         }
 120
 121 private:
 122         QPixmap * splash_;
 123 };
 124
 125 };
 126
 127
 128 struct GuiView::GuiViewPrivate
 129 {
 130         string cur_title;
 131
 132         int posx_offset;
 133         int posy_offset;
 134
 135         TabWorkArea * tab_widget_;
 136         QStackedWidget * stack_widget_;
 137         BackgroundWidget * bg_widget_;
 138         /// view's menubar
 139         GuiMenubar * menubar_;
 140         /// view's toolbars
 141         GuiToolbars * toolbars_;
 142         ///
 143         docstring current_layout;
 144
 145         GuiViewPrivate() : posx_offset(0), posy_offset(0) {}
 146
 147         unsigned int smallIconSize;
 148         unsigned int normalIconSize;
 149         unsigned int bigIconSize;
 150         // static needed by "New Window"
 151         static unsigned int lastIconSize;
 152
 153         QMenu * toolBarPopup(GuiView * parent)
 154         {
 155                 // FIXME: translation
 156                 QMenu * menu = new QMenu(parent);
 157                 QActionGroup * iconSizeGroup = new QActionGroup(parent);
 158
 159                 QAction * smallIcons = new QAction(iconSizeGroup);
 160                 smallIcons->setText(qt_("Small-sized icons"));
 161                 smallIcons->setCheckable(true);
 162                 QObject::connect(smallIcons, SIGNAL(triggered()), parent, SLOT(smallSizedIcons()));
 163                 menu->addAction(smallIcons);
 164
 165                 QAction * normalIcons = new QAction(iconSizeGroup);
 166                 normalIcons->setText(qt_("Normal-sized icons"));
 167                 normalIcons->setCheckable(true);
 168                 QObject::connect(normalIcons, SIGNAL(triggered()), parent, SLOT(normalSizedIcons()));
 169                 menu->addAction(normalIcons);
 170
 171                 QAction * bigIcons = new QAction(iconSizeGroup);
 172                 bigIcons->setText(qt_("Big-sized icons"));
 173                 bigIcons->setCheckable(true);
 174                 QObject::connect(bigIcons, SIGNAL(triggered()), parent, SLOT(bigSizedIcons()));
 175                 menu->addAction(bigIcons);
 176
 177                 unsigned int cur = parent->iconSize().width();
 178                 if ( cur == parent->d.smallIconSize)
 179                         smallIcons->setChecked(true);
 180                 else if (cur == parent->d.normalIconSize)
 181                         normalIcons->setChecked(true);
 182                 else if (cur == parent->d.bigIconSize)
 183                         bigIcons->setChecked(true);
 184
 185                 return menu;
 186         }
 187
 188         void initBackground()
 189         {
 190                 bg_widget_ = 0;
 191                 LYXERR(Debug::GUI) << "show banner: " << lyxrc.show_banner << endl;
 192                 /// The text to be written on top of the pixmap
 193                 QString const text = lyx_version ? QString(lyx_version) : qt_("unknown version");
 194                 bg_widget_ = new BackgroundWidget(":/images/banner.png", text);
 195         }
 196
 197         void setBackground()
 198         {
 199                 if (!bg_widget_)
 200                         return;
 201
 202                 stack_widget_->setCurrentWidget(bg_widget_);
 203                 bg_widget_->setUpdatesEnabled(true);
 204         }
 205 };
 206
 207
 208 unsigned int GuiView::GuiViewPrivate::lastIconSize = 0;
 209
 210
 211 GuiView::GuiView(int id)
 212         : QMainWindow(), LyXView(id), quitting_by_menu_(false),
 213           d(*new GuiViewPrivate)
 214 {
 215         // Qt bug? signal lastWindowClosed does not work
 216         setAttribute(Qt::WA_QuitOnClose, false);
 217         setAttribute(Qt::WA_DeleteOnClose, true);
 218
 219         // hardcode here the platform specific icon size
 220         d.smallIconSize = 14;   // scaling problems
 221         d.normalIconSize = 20;  // ok, default
 222         d.bigIconSize = 26;             // better for some math icons
 223
 224 #ifndef Q_WS_MACX
 225         // assign an icon to main form. We do not do it under Qt/Mac,
 226         // since the icon is provided in the application bundle.
 227         setWindowIcon(QPixmap(":/images/lyx.png"));
 228 #endif
 229
 230         d.tab_widget_ = new TabWorkArea;
 231         QObject::connect(d.tab_widget_, SIGNAL(currentWorkAreaChanged(GuiWorkArea *)),
 232                 this, SLOT(on_currentWorkAreaChanged(GuiWorkArea *)));
 233
 234         d.initBackground();
 235         if (d.bg_widget_) {
 236                 LYXERR(Debug::GUI) << "stack widget!" << endl;
 237                 d.stack_widget_ = new QStackedWidget;
 238                 d.stack_widget_->addWidget(d.bg_widget_);
 239                 d.stack_widget_->addWidget(d.tab_widget_);
 240                 setCentralWidget(d.stack_widget_);
 241         } else {
 242                 d.stack_widget_ = 0;
 243                 setCentralWidget(d.tab_widget_);
 244         }
 245
 246         // For Drag&Drop.
 247         setAcceptDrops(true);
 248 }
 249
 250
 251 GuiView::~GuiView()
 252 {
 253         delete d.menubar_;
 254         delete d.toolbars_;
 255         delete &d;
 256 }
 257
 258
 259 void GuiView::close()
 260 {
 261         quitting_by_menu_ = true;
 262         d.tab_widget_->closeAll();
 263         QMainWindow::close();
 264         quitting_by_menu_ = false;
 265 }
 266
 267
 268 void GuiView::setFocus()
 269 {
 270         if (d.tab_widget_->count())
 271                 d.tab_widget_->currentWidget()->setFocus();
 272 }
 273
 274
 275 QMenu* GuiView::createPopupMenu()
 276 {
 277         return d.toolBarPopup(this);
 278 }
 279
 280
 281 void GuiView::init()
 282 {
 283         // GuiToolbars *must* be initialised before GuiMenubar.
 284         d.toolbars_ = new GuiToolbars(*this);
 285         // FIXME: GuiToolbars::init() cannot be integrated in the ctor
 286         // because LyXFunc::getStatus() needs a properly initialized
 287         // GuiToolbars object (for LFUN_TOOLBAR_TOGGLE).
 288         d.toolbars_->init();
 289         d.menubar_ = new GuiMenubar(this, menubackend);
 290
 291         statusBar()->setSizeGripEnabled(true);
 292
 293         QObject::connect(&statusbar_timer_, SIGNAL(timeout()),
 294                 this, SLOT(update_view_state_qt()));
 295
 296         if (d.stack_widget_)
 297                 d.stack_widget_->setCurrentWidget(d.bg_widget_);
 298 }
 299
 300
 301 void GuiView::closeEvent(QCloseEvent * close_event)
 302 {
 303         // we may have been called through the close window button
 304         // which bypasses the LFUN machinery.
 305         if (!quitting_by_menu_ && theApp()->gui().viewIds().size() == 1) {
 306                 if (!theBufferList().quitWriteAll()) {
 307                         close_event->ignore();
 308                         return;
 309                 }
 310         }
 311
 312         // Make sure that no LFUN use this close to be closed View.
 313         theLyXFunc().setLyXView(0);
 314         // Make sure the timer time out will not trigger a statusbar update.
 315         statusbar_timer_.stop();
 316
 317         theApp()->gui().unregisterView(id());
 318         if (!theApp()->gui().viewIds().empty()) {
 319                 // Just close the window and do nothing else if this is not the
 320                 // last window.
 321                 close_event->accept();
 322                 return;
 323         }
 324
 325         quitting = true;
 326
 327         // this is the place where we leave the frontend.
 328         // it is the only point at which we start quitting.
 329         saveGeometry();
 330         close_event->accept();
 331         // quit the event loop
 332         qApp->quit();
 333 }
 334
 335
 336 void GuiView::dragEnterEvent(QDragEnterEvent * event)
 337 {
 338         if (event->mimeData()->hasUrls())
 339                 event->accept();
 340         /// \todo Ask lyx-devel is this is enough:
 341         /// if (event->mimeData()->hasFormat("text/plain"))
 342         ///     event->acceptProposedAction();
 343 }
 344
 345
 346 void GuiView::dropEvent(QDropEvent* event)
 347 {
 348         QList<QUrl> files = event->mimeData()->urls();
 349         if (files.isEmpty())
 350                 return;
 351
 352         LYXERR(Debug::GUI) << BOOST_CURRENT_FUNCTION
 353                 << " got URLs!" << endl;
 354         for (int i = 0; i != files.size(); ++i) {
 355                 string const file = support::os::internal_path(fromqstr(
 356                         files.at(i).toLocalFile()));
 357                 if (!file.empty())
 358                         dispatch(FuncRequest(LFUN_FILE_OPEN, file));
 359         }
 360 }
 361
 362
 363 void GuiView::saveGeometry()
 364 {
 365         static bool done = false;
 366         if (done)
 367                 return;
 368         else
 369                 done = true;
 370
 371         // FIXME:
 372         // change the ifdef to 'geometry = normalGeometry();' only
 373         // when Trolltech has fixed the broken normalGeometry on X11:
 374         // http://www.trolltech.com/developer/task-tracker/index_html?id=119684+&method=entry
 375         // Then also the moveEvent, resizeEvent, and the
 376         // code for floatingGeometry_ can be removed;
 377         // adjust GuiView::setGeometry()
 378
 379         QRect normal_geometry;
 380         int maximized;
 381 #ifdef Q_WS_WIN
 382         normal_geometry = normalGeometry();
 383         if (isMaximized()) {
 384                 maximized = CompletelyMaximized;
 385         } else {
 386                 maximized = NotMaximized;
 387         }
 388 #else
 389         normal_geometry = updateFloatingGeometry();
 390
 391         QDesktopWidget& dw = *qApp->desktop();
 392         QRect desk = dw.availableGeometry(dw.primaryScreen());
 393         // Qt bug on Linux: load completely maximized, vert max. save-> frameGeometry().height() is wrong
 394         if (isMaximized() && desk.width() <= frameGeometry().width() && desk.height() <= frameGeometry().height()) {
 395                 maximized = CompletelyMaximized;
 396                 // maximizing does not work when the window is allready hor. or vert. maximized
 397                 // Tested only on KDE
 398                 int dh = frameGeometry().height() - height();
 399                 if (desk.height() <= normal_geometry.height() + dh)
 400                         normal_geometry.setHeight(normal_geometry.height() - 1);
 401                 int dw = frameGeometry().width() - width();
 402                 if (desk.width() <= normal_geometry.width() + dw)
 403                         normal_geometry.setWidth(normal_geometry.width() - 1);
 404         } else if (desk.height() <= frameGeometry().height()) {
 405                 maximized = VerticallyMaximized;
 406         } else if (desk.width() <= frameGeometry().width()) {
 407                 maximized = HorizontallyMaximized;
 408         } else {
 409                 maximized = NotMaximized;
 410         }
 411
 412
 413 #endif
 414         // save windows size and position
 415         Session & session = LyX::ref().session();
 416         session.sessionInfo().save("WindowWidth", convert<string>(normal_geometry.width()));
 417         session.sessionInfo().save("WindowHeight", convert<string>(normal_geometry.height()));
 418         session.sessionInfo().save("WindowMaximized", convert<string>(maximized));
 419         session.sessionInfo().save("IconSizeXY", convert<string>(iconSize().width()));
 420         if (lyxrc.geometry_xysaved) {
 421                 session.sessionInfo().save("WindowPosX", convert<string>(normal_geometry.x() + d.posx_offset));
 422                 session.sessionInfo().save("WindowPosY", convert<string>(normal_geometry.y() + d.posy_offset));
 423         }
 424         d.toolbars_->saveToolbarInfo();
 425 }
 426
 427
 428 void GuiView::setGeometry(unsigned int width,
 429                           unsigned int height,
 430                           int posx, int posy,
 431                           int maximized,
 432                           unsigned int iconSizeXY,
 433                           const string & geometryArg)
 434 {
 435         // use last value (not at startup)
 436         if (d.lastIconSize != 0)
 437                 setIconSize(d.lastIconSize);
 438         else if (iconSizeXY != 0)
 439                 setIconSize(iconSizeXY);
 440         else
 441                 setIconSize(d.normalIconSize);
 442
 443         // only true when the -geometry option was NOT used
 444         if (width != 0 && height != 0) {
 445                 if (posx != -1 && posy != -1) {
 446                         // if there are startup positioning problems:
 447                         // http://doc.trolltech.com/4.2/qdesktopwidget.html
 448                         QDesktopWidget& dw = *qApp->desktop();
 449                         if (dw.isVirtualDesktop()) {
 450                                 if(!dw.geometry().contains(posx, posy)) {
 451                                         posx = 50;
 452                                         posy = 50;
 453                                 }
 454                         } else {
 455                                 // Which system doesn't use a virtual desktop?
 456                                 // TODO save also last screen number and check if it is still availabe.
 457                         }
 458 #ifdef Q_WS_WIN
 459                         // FIXME: use setGeometry only when Trolltech has fixed the qt4/X11 bug
 460                         QWidget::setGeometry(posx, posy, width, height);
 461 #else
 462                         resize(width, height);
 463                         move(posx, posy);
 464 #endif
 465                 } else {
 466                         resize(width, height);
 467                 }
 468
 469                 // remember original size
 470                 floatingGeometry_ = QRect(posx, posy, width, height);
 471
 472                 if (maximized != NotMaximized) {
 473                         if (maximized == CompletelyMaximized) {
 474                                 setWindowState(Qt::WindowMaximized);
 475                         } else {
 476 #ifndef Q_WS_WIN
 477                                 // TODO How to set by the window manager?
 478                                 //      setWindowState(Qt::WindowVerticallyMaximized);
 479                                 //      is not possible
 480                                 QDesktopWidget& dw = *qApp->desktop();
 481                                 QRect desk = dw.availableGeometry(dw.primaryScreen());
 482                                 if (maximized == VerticallyMaximized)
 483                                         resize(width, desk.height());
 484                                 if (maximized == HorizontallyMaximized)
 485                                         resize(desk.width(), height);
 486 #endif
 487                         }
 488                 }
 489         }
 490         else
 491         {
 492                 // FIXME: move this code into parse_geometry() (LyX.cpp)
 493 #ifdef Q_WS_WIN
 494                 int x, y;
 495                 int w, h;
 496                 QRegExp re( "[=]*(?:([0-9]+)[xX]([0-9]+)){0,1}[ ]*(?:([+-][0-9]*)([+-][0-9]*)){0,1}" );
 497                 re.indexIn(toqstr(geometryArg.c_str()));
 498                 w = re.cap(1).toInt();
 499                 h = re.cap(2).toInt();
 500                 x = re.cap(3).toInt();
 501                 y = re.cap(4).toInt();
 502                 QWidget::setGeometry( x, y, w, h );
 503 #else
 504                 // silence warning
 505                 (void)geometryArg;
 506 #endif
 507         }
 508
 509         d.setBackground();
 510
 511         show();
 512
 513         // For an unknown reason, the Window title update is not effective for
 514         // the second windows up until it is shown on screen (Qt bug?).
 515         updateWindowTitle();
 516
 517         // after show geometry() has changed (Qt bug?)
 518         // we compensate the drift when storing the position
 519         d.posx_offset = 0;
 520         d.posy_offset = 0;
 521         if (width != 0 && height != 0)
 522                 if (posx != -1 && posy != -1) {
 523 #ifdef Q_WS_WIN
 524                         d.posx_offset = posx - normalGeometry().x();
 525                         d.posy_offset = posy - normalGeometry().y();
 526 #else
 527 #ifndef Q_WS_MACX
 528                         if (maximized == NotMaximized) {
 529                                 d.posx_offset = posx - geometry().x();
 530                                 d.posy_offset = posy - geometry().y();
 531                         }
 532 #endif
 533 #endif
 534                 }
 535 }
 536
 537
 538 void GuiView::setWindowTitle(docstring const & t, docstring const & it)
 539 {
 540         QString title = windowTitle();
 541         QString new_title = toqstr(t);
 542         if (title != new_title) {
 543                 QMainWindow::setWindowTitle(new_title);
 544                 QMainWindow::setWindowIconText(toqstr(it));
 545         }
 546         if (Buffer const * buf = buffer())
 547                 d.tab_widget_->setTabText(d.tab_widget_->currentIndex(),
 548                         toqstr(buf->fileName().displayName(30)));
 549 }
 550
 551
 552 void GuiView::message(docstring const & str)
 553 {
 554         statusBar()->showMessage(toqstr(str));
 555         statusbar_timer_.stop();
 556         statusbar_timer_.start(statusbar_timer_value);
 557 }
 558
 559
 560 void GuiView::clearMessage()
 561 {
 562         update_view_state_qt();
 563 }
 564
 565
 566 void GuiView::setIconSize(unsigned int size)
 567 {
 568         d.lastIconSize = size;
 569         QMainWindow::setIconSize(QSize(size, size));
 570 }
 571
 572
 573 void GuiView::smallSizedIcons()
 574 {
 575         setIconSize(d.smallIconSize);
 576 }
 577
 578
 579 void GuiView::normalSizedIcons()
 580 {
 581         setIconSize(d.normalIconSize);
 582 }
 583
 584
 585 void GuiView::bigSizedIcons()
 586 {
 587         setIconSize(d.bigIconSize);
 588 }
 589
 590
 591 void GuiView::update_view_state_qt()
 592 {
 593         if (!hasFocus())
 594                 return;
 595         theLyXFunc().setLyXView(this);
 596         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 597         statusbar_timer_.stop();
 598 }
 599
 600
 601 void GuiView::on_currentWorkAreaChanged(GuiWorkArea * wa)
 602 {
 603         disconnectBuffer();
 604         disconnectBufferView();
 605         connectBufferView(wa->bufferView());
 606         connectBuffer(wa->bufferView().buffer());
 607
 608         updateToc();
 609         // Buffer-dependent dialogs should be updated or
 610         // hidden. This should go here because some dialogs (eg ToC)
 611         // require bv_->text.
 612         getDialogs().updateBufferDependent(true);
 613         updateToolbars();
 614         updateLayoutChoice();
 615         updateWindowTitle();
 616         updateStatusBar();
 617 }
 618
 619
 620 void GuiView::updateStatusBar()
 621 {
 622         // let the user see the explicit message
 623         if (statusbar_timer_.isActive())
 624                 return;
 625
 626         statusBar()->showMessage(toqstr(theLyXFunc().viewStatusMessage()));
 627 }
 628
 629
 630 void GuiView::activated(FuncRequest const & func)
 631 {
 632         dispatch(func);
 633 }
 634
 635
 636 bool GuiView::hasFocus() const
 637 {
 638         return qApp->activeWindow() == this;
 639 }
 640
 641
 642 QRect  GuiView::updateFloatingGeometry()
 643 {
 644         QDesktopWidget& dw = *qApp->desktop();
 645         QRect desk = dw.availableGeometry(dw.primaryScreen());
 646         // remember only non-maximized sizes
 647         if (!isMaximized() && desk.width() > frameGeometry().width() && desk.height() > frameGeometry().height()) {
 648                 floatingGeometry_ = QRect(x(), y(), width(), height());
 649         }
 650         return floatingGeometry_;
 651 }
 652
 653
 654 void GuiView::resizeEvent(QResizeEvent *)
 655 {
 656         updateFloatingGeometry();
 657 }
 658
 659
 660 void GuiView::moveEvent(QMoveEvent *)
 661 {
 662         updateFloatingGeometry();
 663 }
 664
 665
 666 bool GuiView::event(QEvent * e)
 667 {
 668         switch (e->type())
 669         {
 670         // Useful debug code:
 671         //case QEvent::ActivationChange:
 672         //case QEvent::WindowDeactivate:
 673         //case QEvent::Paint:
 674         //case QEvent::Enter:
 675         //case QEvent::Leave:
 676         //case QEvent::HoverEnter:
 677         //case QEvent::HoverLeave:
 678         //case QEvent::HoverMove:
 679         //case QEvent::StatusTip:
 680         //case QEvent::DragEnter:
 681         //case QEvent::DragLeave:
 682         //case QEvent::Drop:
 683         //      break;
 684
 685         case QEvent::WindowActivate: {
 686                 theApp()->setCurrentView(*this);
 687                 GuiWorkArea * wa = d.tab_widget_->currentWorkArea();
 688                 if (wa) {
 689                         BufferView & bv = wa->bufferView();
 690                         connectBufferView(bv);
 691                         connectBuffer(bv.buffer());
 692                         // The document structure, name and dialogs might have
 693                         // changed in another view.
 694                         updateWindowTitle();
 695                         getDialogs().updateBufferDependent(true);
 696                 }
 697                 return QMainWindow::event(e);
 698         }
 699         case QEvent::ShortcutOverride: {
 700                 QKeyEvent * ke = static_cast<QKeyEvent*>(e);
 701                 if (d.tab_widget_->count() == 0) {
 702                         theLyXFunc().setLyXView(this);
 703                         KeySymbol sym;
 704                         setKeySymbol(&sym, ke);
 705                         theLyXFunc().processKeySym(sym, q_key_state(ke->modifiers()));
 706                         e->accept();
 707                         return true;
 708                 }
 709                 if (ke->key() == Qt::Key_Tab || ke->key() == Qt::Key_Backtab) {
 710                         KeySymbol sym;
 711                         setKeySymbol(&sym, ke);
 712                         currentWorkArea()->processKeySym(sym, NoModifier);
 713                         e->accept();
 714                         return true;
 715                 }
 716         }
 717         default:
 718                 return QMainWindow::event(e);
 719         }
 720 }
 721
 722
 723 bool GuiView::focusNextPrevChild(bool /*next*/)
 724 {
 725         setFocus();
 726         return true;
 727 }
 728
 729
 730 void GuiView::showView()
 731 {
 732         QMainWindow::setWindowTitle(qt_("LyX"));
 733         QMainWindow::show();
 734         updateFloatingGeometry();
 735 }
 736
 737
 738 void GuiView::setBusy(bool yes)
 739 {
 740         GuiWorkArea * wa = d.tab_widget_->currentWorkArea();
 741         if (wa) {
 742                 wa->setUpdatesEnabled(!yes);
 743                 if (yes)
 744                         wa->stopBlinkingCursor();
 745                 else
 746                         wa->startBlinkingCursor();
 747         }
 748
 749         if (yes)
 750                 QApplication::setOverrideCursor(Qt::WaitCursor);
 751         else
 752                 QApplication::restoreOverrideCursor();
 753 }
 754
 755
 756 GuiToolbar * GuiView::makeToolbar(ToolbarInfo const & tbinfo, bool newline)
 757 {
 758         GuiToolbar * toolBar = new GuiToolbar(tbinfo, *this);
 759
 760         if (tbinfo.flags & ToolbarInfo::TOP) {
 761                 if (newline)
 762                         addToolBarBreak(Qt::TopToolBarArea);
 763                 addToolBar(Qt::TopToolBarArea, toolBar);
 764         }
 765
 766         if (tbinfo.flags & ToolbarInfo::BOTTOM) {
 767 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 768 #if (QT_VERSION >= 0x040202)
 769                 if (newline)
 770                         addToolBarBreak(Qt::BottomToolBarArea);
 771 #endif
 772                 addToolBar(Qt::BottomToolBarArea, toolBar);
 773         }
 774
 775         if (tbinfo.flags & ToolbarInfo::LEFT) {
 776 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 777 #if (QT_VERSION >= 0x040202)
 778                 if (newline)
 779                         addToolBarBreak(Qt::LeftToolBarArea);
 780 #endif
 781                 addToolBar(Qt::LeftToolBarArea, toolBar);
 782         }
 783
 784         if (tbinfo.flags & ToolbarInfo::RIGHT) {
 785 // Qt < 4.2.2 cannot handle ToolBarBreak on non-TOP dock.
 786 #if (QT_VERSION >= 0x040202)
 787                 if (newline)
 788                         addToolBarBreak(Qt::RightToolBarArea);
 789 #endif
 790                 addToolBar(Qt::RightToolBarArea, toolBar);
 791         }
 792
 793         // The following does not work so I cannot restore to exact toolbar location
 794         /*
 795         ToolbarSection::ToolbarInfo & tbinfo = LyX::ref().session().toolbars().load(tbinfo.name);
 796         toolBar->move(tbinfo.posx, tbinfo.posy);
 797         */
 798
 799         return toolBar;
 800 }
 801
 802
 803 WorkArea * GuiView::workArea(Buffer & buffer)
 804 {
 805         return d.tab_widget_->workArea(buffer);
 806 }
 807
 808
 809 WorkArea * GuiView::addWorkArea(Buffer & buffer)
 810 {
 811         GuiWorkArea * wa = new GuiWorkArea(buffer, *this);
 812         wa->setUpdatesEnabled(false);
 813         d.tab_widget_->addTab(wa, toqstr(buffer.fileName().displayName(30)));
 814         wa->bufferView().updateMetrics();
 815         if (d.stack_widget_)
 816                 d.stack_widget_->setCurrentWidget(d.tab_widget_);
 817         // Hide tabbar if there's only one tab.
 818         d.tab_widget_->showBar(d.tab_widget_->count() > 1);
 819         return wa;
 820 }
 821
 822
 823 WorkArea * GuiView::currentWorkArea()
 824 {
 825         return d.tab_widget_->currentWorkArea();
 826 }
 827
 828
 829 WorkArea const * GuiView::currentWorkArea() const
 830 {
 831         return d.tab_widget_->currentWorkArea();
 832 }
 833
 834
 835 void GuiView::setCurrentWorkArea(WorkArea * work_area)
 836 {
 837         BOOST_ASSERT(work_area);
 838
 839         // Changing work area can result from opening a file so
 840         // update the toc in any case.
 841         updateToc();
 842
 843         GuiWorkArea * wa = static_cast<GuiWorkArea *>(work_area);
 844         BOOST_ASSERT(wa);
 845         d.tab_widget_->setCurrentWorkArea(wa);
 846 }
 847
 848
 849 void GuiView::removeWorkArea(WorkArea * work_area)
 850 {
 851         BOOST_ASSERT(work_area);
 852         if (work_area == currentWorkArea()) {
 853                 disconnectBuffer();
 854                 disconnectBufferView();
 855         }
 856
 857         // removing a work area often results from closing a file so
 858         // update the toc in any case.
 859         updateToc();
 860
 861         GuiWorkArea * gwa = static_cast<GuiWorkArea *>(work_area);
 862         BOOST_ASSERT(gwa);
 863         d.tab_widget_->removeWorkArea(gwa);
 864
 865         getDialogs().hideBufferDependent();
 866
 867         if (d.tab_widget_->count() == 0 && d.stack_widget_)
 868                 // No more work area, switch to the background widget.
 869                 d.setBackground();
 870 }
 871
 872
 873 void GuiView::showMiniBuffer(bool visible)
 874 {
 875         d.toolbars_->showCommandBuffer(visible);
 876 }
 877
 878
 879 void GuiView::openMenu(docstring const & name)
 880 {
 881         d.menubar_->openByName(toqstr(name));
 882 }
 883
 884
 885 void GuiView::openLayoutList()
 886 {
 887         d.toolbars_->openLayoutList();
 888 }
 889
 890
 891 void GuiView::updateLayoutChoice()
 892 {
 893         // Don't show any layouts without a buffer
 894         if (!buffer()) {
 895                 d.toolbars_->clearLayoutList();
 896                 return;
 897         }
 898
 899         // Update the layout display
 900         if (d.toolbars_->updateLayoutList(buffer()->params().getTextClassPtr())) {
 901                 d.current_layout = buffer()->params().getTextClass().defaultLayoutName();
 902         }
 903
 904         docstring const & layout = currentWorkArea()->bufferView().cursor().
 905                 innerParagraph().layout()->name();
 906
 907         if (layout != d.current_layout) {
 908                 d.toolbars_->setLayout(layout);
 909                 d.current_layout = layout;
 910         }
 911 }
 912
 913
 914 bool GuiView::isToolbarVisible(std::string const & id)
 915 {
 916         return d.toolbars_->visible(id);
 917 }
 918
 919 void GuiView::updateToolbars()
 920 {
 921         WorkArea * wa = currentWorkArea();
 922         if (wa) {
 923                 bool const math =
 924                         wa->bufferView().cursor().inMathed();
 925                 bool const table =
 926                         lyx::getStatus(FuncRequest(LFUN_LAYOUT_TABULAR)).enabled();
 927                 bool const review =
 928                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).enabled() &&
 929                         lyx::getStatus(FuncRequest(LFUN_CHANGES_TRACK)).onoff(true);
 930
 931                 d.toolbars_->update(math, table, review);
 932         } else
 933                 d.toolbars_->update(false, false, false);
 934
 935         // update read-only status of open dialogs.
 936         getDialogs().checkStatus();
 937 }
 938
 939
 940 ToolbarInfo * GuiView::getToolbarInfo(string const & name)
 941 {
 942         return d.toolbars_->getToolbarInfo(name);
 943 }
 944
 945
 946 void GuiView::toggleToolbarState(string const & name, bool allowauto)
 947 {
 948         // it is possible to get current toolbar status like this,...
 949         // but I decide to obey the order of ToolbarBackend::flags
 950         // and disregard real toolbar status.
 951         // toolbars_->saveToolbarInfo();
 952         //
 953         // toggle state on/off/auto
 954         d.toolbars_->toggleToolbarState(name, allowauto);
 955         // update toolbar
 956         updateToolbars();
 957 }
 958
 959
 960 } // namespace frontend
 961 } // namespace lyx
 962
 963 #include "GuiView_moc.cpp"